修改

backend/app/main.py

@@ -123,14 +123,16 @@ app.mount(
 #     name="static",
 # )
 
-# フロントエンドファイル配信（コメントアウト - file://プロトコルで直接アクセスするため不要）
-# frontend_path = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), "frontend")
-# if os.path.exists(frontend_path):
-#     app.mount(
-#         "/",
-#         StaticFiles(directory=frontend_path, html=True),
-#         name="frontend",
-#     )
+# フロントエンドファイル配信
+frontend_path = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), "frontend")
+if os.path.exists(frontend_path):
+    app.mount(
+        "/frontend",
+        StaticFiles(directory=frontend_path, html=True),
+        name="frontend",
+    )
+else:
+    print(f"Frontend path not found: {frontend_path}")
 
 
 

backend/app/payroll/bonus/router.py

@@ -128,6 +128,69 @@ def approve_bonus(bonus_id: int, approved_by: str):
             return result
 
 
+@router.post("/{bonus_id}/recalculate", response_model=schemas.BonusPayment)
+def recalculate_bonus(bonus_id: int):
+    """賞与を再計算"""
+    with get_connection() as conn:
+        with conn.cursor() as cur:
+            # 既存データを取得
+            cur.execute("SELECT * FROM bonus_payments WHERE bonus_id = %s", (bonus_id,))
+            existing = cur.fetchone()
+            
+            if not existing:
+                raise HTTPException(status_code=404, detail="賞与データが見つかりません")
+            
+            if existing["status"] == "approved":
+                raise HTTPException(status_code=400, detail="承認済みの賞与は再計算できません")
+            
+            # 再計算
+            try:
+                calc_result = BonusCalculationService.calculate_bonus(
+                    employee_id=existing["employee_id"],
+                    bonus_year=existing["bonus_year"],
+                    bonus_month=existing["bonus_month"],
+                    bonus_type=existing["bonus_type"],
+                    payment_date=existing["payment_date"],
+                    base_bonus=existing["base_bonus"],
+                    performance_bonus=existing["performance_bonus"],
+                    other_bonus=existing["other_bonus"],
+                    other_deduction=existing["other_deduction"],
+                    calculated_by="recalculated"
+                )
+            except ValueError as e:
+                raise HTTPException(status_code=400, detail=str(e))
+            
+            # 更新
+            cur.execute(
+                """
+                UPDATE bonus_payments SET
+                    base_bonus = %s, performance_bonus = %s, other_bonus = %s,
+                    total_bonus = %s,
+                    health_insurance = %s, care_insurance = %s, pension_insurance = %s,
+                    employment_insurance = %s, income_tax = %s, other_deduction = %s,
+                    total_deduction = %s, net_bonus = %s,
+                    calculated_at = %s, calculated_by = %s
+                WHERE bonus_id = %s
+                RETURNING *
+                """,
+                (
+                    calc_result["base_bonus"], calc_result["performance_bonus"],
+                    calc_result["other_bonus"], calc_result["total_bonus"],
+                    calc_result["health_insurance"], calc_result["care_insurance"],
+                    calc_result["pension_insurance"], calc_result["employment_insurance"],
+                    calc_result["income_tax"], calc_result["other_deduction"],
+                    calc_result["total_deduction"], calc_result["net_bonus"],
+                    datetime.now(), "recalculated",
+                    bonus_id
+                )
+            )
+            result = cur.fetchone()
+            if not result:
+                raise HTTPException(status_code=404, detail="賞与を更新できません")
+            conn.commit()
+            return result
+
+
 @router.delete("/{bonus_id}", status_code=status.HTTP_204_NO_CONTENT)
 def delete_bonus(bonus_id: int):
     """賞与を削除"""

backend/app/payroll/bonus/service.py

@@ -58,12 +58,15 @@ class BonusCalculationService:
                 cur.execute(
                     """
                     SELECT AVG(total_payment - commute_allowance) as avg_salary
+                    FROM (
+                        SELECT total_payment, commute_allowance
                         FROM monthly_payroll 
                         WHERE employee_id = %s
                         AND payment_date < %s
                         AND status IN ('approved', 'paid')
                         ORDER BY payment_date DESC
                         LIMIT 3
+                    ) as recent_payroll
                     """,
                     (employee_id, payment_date)
                 )

backend/app/payroll/calculation/router.py

@@ -262,7 +262,7 @@ def approve_payroll(payroll_id: int, request: schemas.PayrollApprovalRequest):
             return result
 
 
-@router.delete("/{payroll_id}", status_code=status.HTTP_204_NO_CONTENT)
+@router.delete("/{payroll_id}")
 def delete_payroll(payroll_id: int):
     """給与データを削除"""
     with get_connection() as conn:
@@ -282,3 +282,5 @@ def delete_payroll(payroll_id: int):
             
             cur.execute("DELETE FROM monthly_payroll WHERE payroll_id = %s", (payroll_id,))
             conn.commit()
+            
+            return {"message": "給与データを削除しました", "payroll_id": payroll_id}

backend/app/payroll/calculation/service.py

@@ -132,22 +132,25 @@ class PayrollCalculationService:
     ) -> Dict[str, Any]:
         """給与を計算"""
         
+        # バリデーションエラーを集約
+        errors = []
+        
         # 給与設定を取得
         salary_setting = PayrollCalculationService.get_salary_setting(employee_id, payment_date)
         if not salary_setting:
-            raise ValueError("給与設定が見つかりません")
+            errors.append("給与設定が見つかりません")
         
         # 基本給の計算
-        base_salary = Decimal(str(salary_setting["base_salary"]))
+        base_salary = Decimal(str(salary_setting["base_salary"])) if salary_setting else Decimal("0")
         
         # 時給の場合は勤務時間から計算
-        if salary_setting["payment_type"] == "時給" and salary_setting["hourly_rate"]:
+        if salary_setting and salary_setting["payment_type"] == "時給" and salary_setting["hourly_rate"]:
             hourly_rate = Decimal(str(salary_setting["hourly_rate"]))
             base_salary = hourly_rate * working_hours
         
         # 欠勤控除（日給制の場合）
         absence_deduction = Decimal("0")
-        if absent_days > 0 and salary_setting["payment_type"] == "月給":
+        if absent_days > 0 and salary_setting and salary_setting["payment_type"] == "月給":
             # 月給を営業日数で割って欠勤日数を掛ける（簡易計算）
             daily_rate = base_salary / Decimal("22")  # 月平均営業日数を22日と仮定
             absence_deduction = daily_rate * absent_days
@@ -156,11 +159,11 @@ class PayrollCalculationService:
         # 残業手当の計算（時給 × 1.25）
         overtime_pay = Decimal("0")
         if overtime_hours > 0:
-            if salary_setting["hourly_rate"]:
+            if salary_setting and salary_setting["hourly_rate"]:
                 hourly_rate = Decimal(str(salary_setting["hourly_rate"]))
             else:
                 # 月給を時給に換算（月平均労働時間を160時間と仮定）
-                hourly_rate = Decimal(str(salary_setting["base_salary"])) / Decimal("160")
+                hourly_rate = (Decimal(str(salary_setting["base_salary"])) if salary_setting else Decimal("0")) / Decimal("160")
             overtime_pay = hourly_rate * overtime_hours * Decimal("1.25")
         
         # 休日手当の計算（時給 × 1.35）
@@ -181,8 +184,29 @@ class PayrollCalculationService:
             commute_allowance + other_allowance
         )
         
-        # 社会保険料の計算（標準報酬月額を総支給額と仮定）
+        # 標準報酬月額表から標準報酬月額を検索
         standard_monthly_salary = total_payment
+        with get_connection() as conn:
+            with conn.cursor() as cur:
+                # 給与年月の標準報酬月額表から、総支給額が属する等級を検索
+                cur.execute(
+                    """
+                    SELECT monthly_amount 
+                    FROM standard_remuneration 
+                    WHERE rate_year = %s
+                    AND salary_from <= %s
+                    AND (salary_to IS NULL OR salary_to > %s)
+                    ORDER BY rate_year DESC, salary_from DESC
+                    LIMIT 1
+                    """,
+                    (payment_date.year, total_payment, total_payment)
+                )
+                result = cur.fetchone()
+                if result:
+                    standard_monthly_salary = Decimal(str(result["monthly_amount"]))
+                    print(f"[DEBUG] 標準報酬月額表検索: 総支給額={total_payment} → 標準報酬月額={standard_monthly_salary}")
+                else:
+                    print(f"[DEBUG] 標準報酬月額表検索: 該当等級なし（総支給額={total_payment}）")
         
         # 社会保険料上限を取得
         health_insurance_limit = PayrollCalculationService.get_insurance_limit(
@@ -218,22 +242,27 @@ class PayrollCalculationService:
             if (payment_date.month, payment_date.day) < (birth_date.month, birth_date.day):
                 age -= 1
         
-        # 健康保険（上限適用後の標準報酬月額で計算）
+        # 健康保険（標準報酬月額表から検索した月額で計算）
         health_insurance_rate = PayrollCalculationService.get_insurance_rate("健康保険", payment_date)
         health_insurance = Decimal("0")
         if health_insurance_rate:
             health_insurance = (
                 health_standard_salary * Decimal(str(health_insurance_rate["employee_rate"]))
-            ).quantize(Decimal("1"))
+            ).quantize(Decimal("0.01"))
+        else:
+            errors.append(f"健康保険料率が見つかりません（年度: {payment_date.year}）")
         
-        # 介護保険（40歳以上65歳未満が対象、健康保険と同じ標準報酬月額）
+        # 介護保険（40歳以上65歳未満が対象、標準報酬月額表から検索した月額で計算）
         care_insurance = Decimal("0")
         if 40 <= age < 65:
             care_insurance_rate = PayrollCalculationService.get_insurance_rate("介護保険", payment_date)
             if care_insurance_rate:
                 care_insurance = (
                     health_standard_salary * Decimal(str(care_insurance_rate["employee_rate"]))
-                ).quantize(Decimal("1"))
+                ).quantize(Decimal("0.01"))
+                print(f"[DEBUG] 介護保険計算: {health_standard_salary} × {care_insurance_rate['employee_rate']}% = {care_insurance}")
+            else:
+                errors.append(f"介護保険料率が見つかりません（年度: {payment_date.year}）")
         
         # 厚生年金（上限適用後の標準報酬月額で計算）
         pension_insurance_rate = PayrollCalculationService.get_insurance_rate("厚生年金", payment_date)
@@ -241,15 +270,30 @@ class PayrollCalculationService:
         if pension_insurance_rate:
             pension_insurance = (
                 pension_standard_salary * Decimal(str(pension_insurance_rate["employee_rate"]))
-            ).quantize(Decimal("1"))
+            ).quantize(Decimal("0.01"))
+            print(f"[DEBUG] 厚生年金計算: {pension_standard_salary} × {pension_insurance_rate['employee_rate']}% = {pension_insurance}")
+        else:
+            errors.append(f"厚生年金保険料率が見つかりません（年度: {payment_date.year}）")
         
         # 雇用保険
         employment_insurance_rate = PayrollCalculationService.get_insurance_rate("雇用保険", payment_date)
         employment_insurance = Decimal("0")
-        if employment_insurance_rate:
+        
+        # 雇用保険加入対象かどうか確認
+        is_employment_insurance_eligible = salary_setting.get("employment_insurance_eligible", True) if salary_setting else True
+        
+        if is_employment_insurance_eligible and employment_insurance_rate:
             employment_insurance = (
                 total_payment * Decimal(str(employment_insurance_rate["employee_rate"]))
-            ).quantize(Decimal("1"))
+            ).quantize(Decimal("0.01"))
+        elif not is_employment_insurance_eligible:
+            print(f"[DEBUG] この従業員は雇用保険非対象です")
+        elif not employment_insurance_rate:
+            errors.append(f"雇用保険料率が見つかりません（年度: {payment_date.year}）")
+        
+        # エラーがある場合は、エラーメッセージを返す
+        if errors:
+            raise ValueError(f"給与計算に必要なデータが不足しています:\n" + "\n".join(errors))
         
         # 所得税の計算
         dependents_count = PayrollCalculationService.get_active_dependents_count(employee_id, payment_date)

backend/app/payroll/employees/schemas.py

@@ -12,6 +12,7 @@ class DependentBase(BaseModel):
     name: str
     relationship: str  # 配偶者/子/親/その他
     birth_date: Optional[date] = None
+    mynumber: Optional[str] = None  # マイナンバーカード番号
     is_spouse: bool = False
     is_disabled: bool = False
     income_amount: Decimal = Decimal("0")
@@ -29,6 +30,7 @@ class DependentUpdate(BaseModel):
     name: Optional[str] = None
     relationship: Optional[str] = None
     birth_date: Optional[date] = None
+    mynumber: Optional[str] = None
     is_spouse: Optional[bool] = None
     is_disabled: Optional[bool] = None
     income_amount: Optional[Decimal] = None

backend/app/payroll/settings/router.py

@@ -31,6 +31,34 @@ def create_salary_setting(setting: schemas.SalarySettingCreate):
             if not cur.fetchone():
                 raise HTTPException(status_code=404, detail="従業員が見つかりません")
             
+            # employment_insurance_eligible カラムが存在するか確認
+            cur.execute(
+                "SELECT 1 FROM information_schema.columns WHERE table_name='salary_settings' AND column_name='employment_insurance_eligible'"
+            )
+            has_employment_insurance_column = cur.fetchone()
+            
+            if has_employment_insurance_column:
+                # カラムが存在する場合
+                cur.execute(
+                    """
+                    INSERT INTO salary_settings (
+                        employee_id, base_salary, hourly_rate, employment_type,
+                        payment_type, commute_allowance, other_allowance,
+                        employment_insurance_eligible,
+                        valid_from, valid_to
+                    ) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
+                    RETURNING *
+                    """,
+                    (
+                        setting.employee_id, setting.base_salary, setting.hourly_rate,
+                        setting.employment_type, setting.payment_type,
+                        setting.commute_allowance, setting.other_allowance,
+                        setting.employment_insurance_eligible,
+                        setting.valid_from, setting.valid_to
+                    ),
+                )
+            else:
+                # カラムが存在しない場合（互換性維持）
                 cur.execute(
                     """
                     INSERT INTO salary_settings (
@@ -47,6 +75,8 @@ def create_salary_setting(setting: schemas.SalarySettingCreate):
                         setting.valid_from, setting.valid_to
                     ),
                 )
+                print("[DEBUG] employment_insurance_eligible カラムがまだ存在しないため、除外しました")
+            
             result = cur.fetchone()
             conn.commit()
             return result
@@ -100,6 +130,25 @@ def update_salary_setting(setting_id: int, setting: schemas.SalarySettingUpdate)
     if not update_data:
         raise HTTPException(status_code=400, detail="更新するデータがありません")
     
+    # employment_insurance_eligible はまだデータベースに存在しない可能性があるため、除外
+    if 'employment_insurance_eligible' in update_data:
+        try:
+            with get_connection() as conn:
+                with conn.cursor() as cur:
+                    cur.execute(
+                        "SELECT 1 FROM information_schema.columns WHERE table_name='salary_settings' AND column_name='employment_insurance_eligible'"
+                    )
+                    column_exists = cur.fetchone()
+            if not column_exists:
+                update_data.pop('employment_insurance_eligible')
+                print("[DEBUG] employment_insurance_eligible カラムがまだ存在しないため、除外しました")
+        except Exception as e:
+            print(f"[DEBUG] カラム確認エラー: {e}")
+            update_data.pop('employment_insurance_eligible', None)
+    
+    if not update_data:
+        raise HTTPException(status_code=400, detail="更新するデータがありません")
+    
     set_clause = ", ".join([f"{key} = %s" for key in update_data.keys()])
     values = list(update_data.values()) + [setting_id]
     
@@ -385,7 +434,9 @@ def import_income_tax_table(file: UploadFile = File(...), tax_year: int = None):
                             income_from = None
                             income_to = None
                             
-                            for col_idx in range(min(3, sheet.ncols)):
+                            # B列（col 1）とC列（col 2）から月収範囲を読み込む
+                            # A列は順序番号なので、B列から開始
+                            for col_idx in range(1, min(3, sheet.ncols)):
                                 cell_value = sheet.cell_value(row_idx, col_idx)
                                 if cell_value:
                                     val = str(cell_value).replace(',', '').replace('円', '').strip()
@@ -526,7 +577,9 @@ def import_income_tax_table(file: UploadFile = File(...), tax_year: int = None):
                             income_from = None
                             income_to = None
                             
-                            for i in range(min(3, len(row))):
+                            # B列（col 1）とC列（col 2）から月収範囲を読み込む
+                            # A列は順序番号なので、B列から開始
+                            for i in range(1, min(3, len(row))):
                                 if row[i].value:
                                     val = str(row[i].value).replace(',', '').replace('円', '').strip()
                                     try:
@@ -715,6 +768,28 @@ def calculate_income_tax(monthly_income: Decimal, dependents_count: int = 0, tar
             }
 
 
+@router.delete("/income-tax/year/{year}")
+def delete_income_tax_by_year(year: int):
+    """指定された年度の所得税率表データをすべて削除"""
+    try:
+        with get_connection() as conn:
+            with conn.cursor() as cur:
+                cur.execute(
+                    "DELETE FROM income_tax_table WHERE tax_year = %s",
+                    (year,)
+                )
+                deleted_count = cur.rowcount
+                conn.commit()
+        
+        return {
+            "message": f"{year}年度のデータを削除しました",
+            "year": year,
+            "deleted_count": deleted_count
+        }
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+
 # ========================================
 # 社会保険料上限設定管理
 # ========================================

backend/app/payroll/settings/schemas.py

@@ -16,6 +16,7 @@ class SalarySettingBase(BaseModel):
     payment_type: str  # 月給/時給/日給
     commute_allowance: Decimal = Decimal("0")
     other_allowance: Decimal = Decimal("0")
+    employment_insurance_eligible: bool = True  # 雇用保険加入対象
     valid_from: date
     valid_to: Optional[date] = None
 
@@ -33,6 +34,7 @@ class SalarySettingUpdate(BaseModel):
     payment_type: Optional[str] = None
     commute_allowance: Optional[Decimal] = None
     other_allowance: Optional[Decimal] = None
+    employment_insurance_eligible: Optional[bool] = None
     valid_from: Optional[date] = None
     valid_to: Optional[date] = None
 

backend/app/payroll/settings/standard_remuneration_router.py

@@ -127,14 +127,61 @@ async def import_standard_remuneration(
                     detail=f"A1セルから年度を抽出できません: {a1_value}"
                 )
         
+        # 第9行からメタデータ（保険料率）を抽出
+        metadata = {}
+        try:
+            row9 = list(ws.iter_rows(min_row=9, max_row=9, values_only=True))[0]
+            # F9, H9, J9 (インデックス 5, 7, 9) から値を取得
+            health_no_care_rate = row9[5] if len(row9) > 5 else None  # F9
+            health_with_care_rate = row9[7] if len(row9) > 7 else None  # H9
+            pension_rate = row9[9] if len(row9) > 9 else None  # J9
+            
+            print(f"[メタデータ] 第9行: F9={health_no_care_rate}, H9={health_with_care_rate}, J9={pension_rate}")
+            
+            # パーセンテージをクリーニング（文字列から%を削除）
+            def clean_percentage(val):
+                if val is None:
+                    return None
+                val_str = str(val).strip()
+                val_str = val_str.replace('%', '').replace('％', '')
+                try:
+                    return float(val_str)
+                except:
+                    return None
+            
+            metadata = {
+                'health_no_care_rate': clean_percentage(health_no_care_rate),
+                'health_with_care_rate': clean_percentage(health_with_care_rate),
+                'pension_rate': clean_percentage(pension_rate),
+                'source': str(a1_value) if a1_value else None  # A1セルの内容を追加
+            }
+            print(f"[メタデータ クリーニング後] {metadata}")
+        except Exception as e:
+            print(f"[警告] メタデータ抽出エラー: {e}")
+            metadata = {}
+        
         # データを抽出（12行目から開始）
         data_rows = []
         errors = []
+        rows_read = []
+        
+        # まずヘッダー行を確認（11行目）
+        header_row = list(ws.iter_rows(min_row=11, max_row=11, values_only=True))[0]
+        # ヘッダー行の全列を表示
+        header_debug = f"ヘッダー(11行目): {list(header_row)}"
+        errors.append(header_debug)
         
         # min_row=12で12行目から読み取りを開始
         # enumerate()はイテレータの要素番号なので、start=0にして、実際の行番号は手動で計算
         for idx, row in enumerate(ws.iter_rows(min_row=12, values_only=True)):
             row_idx = 12 + idx  # 実際のExcel行番号
+            # 最初の1行だけ全列を記録（デバッグ用）
+            if idx == 0:
+                row_debug = f"Row {row_idx} (最初のデータ行): {list(row)}"
+            else:
+                row_debug = f"Row {row_idx}: {row[:10]}"
+            rows_read.append(row_debug)
+            
             # 等級が空の場合は終了
             if not row[0]:
                 break
@@ -144,34 +191,24 @@ async def import_standard_remuneration(
                 
                 # 各値を取得し、Noneや空白を処理
                 def clean_value(val, field_name=""):
-                    if val is None or val == '':
-                        return None
-                    
-                    # 数値型の場合はそのまま返す
+                    # 允许 '-', '－', '―', 'ー', '−', '' 视为 0
+                    if val is None:
+                        return 0
                     if isinstance(val, (int, float)):
                         return val
-                    
-                    # 文字列の場合
                     if isinstance(val, str):
-                        # 空白を除去
                         val = val.strip()
-                        # 空、ハイフン、全角ダッシュなどをNoneに
                         if val in ('', '-', '－', '―', 'ー', '−'):
-                            return None
-                        # 「円」「未満」「以上」などの文字を除去
+                            return 0
                         val = val.replace('円', '').replace('未満', '').replace('以上', '')
-                        # カンマを除去
                         val = val.replace(',', '').replace('，', '')
-                        # 全角数字を半角に変換
                         val = val.translate(str.maketrans('０１２３４５６７８９', '0123456789'))
-                        # 再度空チェック
                         if val == '':
-                            return None
+                            return 0
+                        return val
                     return val
                 
-                    return val
-                
-                # デバッグ用に元のデータを保存（最初の7列を確認）
+                # デバッグ用に元のデータとclean_value结果を保存
                 raw_data = {
                     'col0_grade': row[0] if len(row) > 0 else None,
                     'col1': row[1] if len(row) > 1 else None,
@@ -182,6 +219,18 @@ async def import_standard_remuneration(
                     'col6': row[6] if len(row) > 6 else None,
                     'col7': row[7] if len(row) > 7 else None,
                 }
+                # 记录清洗后的值
+                cleaned_data = {
+                    'grade': clean_value(row[0]) if len(row) > 0 else None,
+                    'monthly_amount': clean_value(row[1]) if len(row) > 1 else None,
+                    'salary_from': clean_value(row[2]) if len(row) > 2 else None,
+                    'salary_to': clean_value(row[3]) if len(row) > 3 else None,
+                    'health_no_care': clean_value(row[4]) if len(row) > 4 else None,
+                    'health_with_care': clean_value(row[5]) if len(row) > 5 else None,
+                    'pension': clean_value(row[6]) if len(row) > 6 else None,
+                }
+                # 追加调试信息
+                errors.append(f"行{row_idx}: 原始数据={raw_data}, 清洗後={cleaned_data}")
                 
                 # 報酬月額範囲の処理
                 # 複数のパターンに対応:
@@ -191,45 +240,51 @@ async def import_standard_remuneration(
                 
                 monthly_amount = clean_value(row[1], 'monthly_amount')
                 
-                # 列3が「～」かチェック
+                # 列2と列3の内容をチェック
+                col2_raw = str(row[2]) if len(row) > 2 and row[2] is not None else ''
                 col3_raw = str(row[3]) if len(row) > 3 and row[3] is not None else ''
+                col2_cleaned = col2_raw.strip()
                 col3_cleaned = col3_raw.strip()
                 
-                # 列2に範囲が含まれているかチェック
-                col2_raw = str(row[2]) if len(row) > 2 and row[2] is not None else ''
+                # パターン判定：
+                # パターンA: col2 = '～', col3 = 数値 → [grade, monthly, ~, range_to, health_no_full, health_no_half, health_with_full, health_with_half, ...]
+                # パターンB: col2 = 数値, col3 = '～' → [grade, monthly, range_from, ~, range_to, health_no_full, health_no_half, health_with_full, health_with_half, ...]
+                # パターンC: col2 = 数値, col3 = 数値 → [grade, monthly, range_from, range_to, health_no_full, health_no_half, health_with_full, health_with_half, ...]
                 
-                if col3_cleaned in ('～', '〜', '-'):
+                if col2_cleaned in ('～', '〜', '-'):
+                    # パターンA: 列2=「～」, 列3=上限値
+                    salary_from = 0  # または前の行から取得
+                    salary_to = clean_value(row[3], 'salary_to')
+                    # 保険料は列4以降
+                    health_no_care = clean_value(row[4] if len(row) > 4 else None, 'health_no_care')
+                    health_with_care = clean_value(row[6] if len(row) > 6 else None, 'health_with_care')
+                    
+                    # デバッグ: row全体の長さとrow[8]の値を記録
+                    print(f"[デバッグ パターンA] 行{row_idx}: len(row)={len(row)}, row全体={list(row)}")
+                    print(f"  row[8]={row[8] if len(row) > 8 else 'N/A (行が短い)'}")
+                    
+                    pension = clean_value(row[8] if len(row) > 8 else None, 'pension')
+                    if pension == 0:
+                        print(f"  ⚠️ 警告: ペンション値が0です。row[8]の元データ = {row[8] if len(row) > 8 else 'N/A'}")
+                    print(f"  clean_value後: pension={pension}, type={type(pension)}")
+                    
+                elif col3_cleaned in ('～', '〜', '-'):
                     # パターンB: 列2=下限, 列3=「～」, 列4=上限
                     salary_from = clean_value(row[2], 'salary_from')
                     salary_to = clean_value(row[4] if len(row) > 4 else None, 'salary_to')
                     # 保険料は列5以降
                     health_no_care = clean_value(row[5] if len(row) > 5 else None, 'health_no_care')
-                    health_with_care = clean_value(row[6] if len(row) > 6 else None, 'health_with_care')
-                    pension = clean_value(row[7] if len(row) > 7 else None, 'pension')
+                    health_with_care = clean_value(row[7] if len(row) > 7 else None, 'health_with_care')
+                    pension = clean_value(row[9] if len(row) > 9 else None, 'pension')
                     
-                elif '～' in col2_raw or '〜' in col2_raw:
-                    # パターンA: 列2に範囲が1セルに入っている
-                    range_text = col2_raw.replace('円', '').replace('未満', '').replace('以上', '')
-                    parts = range_text.replace('〜', '～').split('～')
-                    
-                    if len(parts) >= 2:
-                        salary_from = clean_value(parts[0].strip(), 'salary_from')
-                        salary_to = clean_value(parts[1].strip(), 'salary_to')
                 else:
+                    # パターンC: 列2=下限、列3=上限の数値パターン
                     salary_from = clean_value(row[2], 'salary_from')
-                        salary_to = None
-                    
-                    # 保険料は列3以降
-                    health_no_care = clean_value(row[3] if len(row) > 3 else None, 'health_no_care')
-                    health_with_care = clean_value(row[4] if len(row) > 4 else None, 'health_with_care')
-                    pension = clean_value(row[5] if len(row) > 5 else None, 'pension')
-                else:
-                    # パターンC: 列2=下限、列3=上限の通常パターン
-                    salary_from = clean_value(row[2], 'salary_from')
-                    salary_to = clean_value(row[3] if len(row) > 3 else None, 'salary_to')
+                    salary_to = clean_value(row[3], 'salary_to')
+                    # 保険料は列4以降
                     health_no_care = clean_value(row[4] if len(row) > 4 else None, 'health_no_care')
-                    health_with_care = clean_value(row[5] if len(row) > 5 else None, 'health_with_care')
-                    pension = clean_value(row[6] if len(row) > 6 else None, 'pension')
+                    health_with_care = clean_value(row[6] if len(row) > 6 else None, 'health_with_care')
+                    pension = clean_value(row[8] if len(row) > 8 else None, 'pension')
                 
                 # 必須フィールドのチェック（詳細なエラーメッセージ）
                 missing_fields = []
@@ -298,6 +353,8 @@ async def import_standard_remuneration(
             error_msg = "有効なデータが見つかりませんでした"
             if errors:
                 error_msg += "\n\nエラー詳細:\n" + "\n".join(errors[:15])
+            if rows_read:
+                error_msg += "\n\n読み込んだ行:\n" + "\n".join(rows_read[:10])
             raise HTTPException(status_code=400, detail=error_msg)
         
         # データベースに保存
@@ -326,13 +383,25 @@ async def import_standard_remuneration(
             "year": rate_year,
             "prefecture": prefecture,
             "imported_count": imported_count,
-            "source": a1_value
+            "source": a1_value,
+            "metadata": metadata,
+            "debug_info": {
+                "total_rows_read": len(rows_read),
+                "first_rows_sample": rows_read[:3],
+                "a1_value_debug": f"A1セル内容: {a1_value}"
+            }
         }
         
     except ValueError as e:
-        raise HTTPException(status_code=400, detail="年度は数値で入力してください")
+        raise HTTPException(status_code=400, detail=f"年度は数値で入力してください: {str(e)}")
     except Exception as e:
-        raise HTTPException(status_code=500, detail=str(e))
+        error_detail = {
+            "error": str(e),
+            "error_type": type(e).__name__,
+            "rows_read_count": len(rows_read) if 'rows_read' in locals() else 0,
+            "first_rows_sample": rows_read[:3] if 'rows_read' in locals() else []
+        }
+        raise HTTPException(status_code=500, detail=error_detail)
 
 
 @router.delete("")
@@ -356,3 +425,43 @@ async def delete_standard_remuneration(year: int, prefecture: str):
         }
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.delete("/all")
+async def delete_all_standard_remuneration():
+    """すべての標準報酬月額表データを削除"""
+    try:
+        with get_connection() as conn:
+            with conn.cursor() as cur:
+                cur.execute("DELETE FROM standard_remuneration")
+                deleted_count = cur.rowcount
+                conn.commit()
+        
+        return {
+            "message": "すべてのデータを削除しました",
+            "deleted_count": deleted_count
+        }
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.delete("/year/{year}")
+async def delete_standard_remuneration_by_year(year: int):
+    """指定された年度の標準報酬月額表データをすべて削除"""
+    try:
+        with get_connection() as conn:
+            with conn.cursor() as cur:
+                cur.execute(
+                    "DELETE FROM standard_remuneration WHERE rate_year = %s",
+                    (year,)
+                )
+                deleted_count = cur.rowcount
+                conn.commit()
+        
+        return {
+            "message": f"{year}年度のデータを削除しました",
+            "year": year,
+            "deleted_count": deleted_count
+        }
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))

backend/sql/add_employment_insurance_eligible.sql

@@ -0,0 +1,5 @@
+-- 雇用保険加入対象フラグを salary_settings テーブルに追加
+ALTER TABLE salary_settings 
+ADD COLUMN IF NOT EXISTS employment_insurance_eligible BOOLEAN DEFAULT TRUE;
+
+COMMENT ON COLUMN salary_settings.employment_insurance_eligible IS '雇用保険加入対象: true=対象、false=非対象';

backend/sql/add_mynumber_to_dependents.sql

@@ -0,0 +1,4 @@
+-- マイナンバーカード番号カラムを扶養家族テーブルに追加
+ALTER TABLE dependents ADD COLUMN IF NOT EXISTS mynumber VARCHAR(12);
+
+COMMENT ON COLUMN dependents.mynumber IS 'マイナンバーカード番号（12桁）';

backend/sql/payroll_schema.sql

@@ -68,6 +68,7 @@ CREATE TABLE IF NOT EXISTS salary_settings (
     payment_type VARCHAR(20) NOT NULL, -- 月給/時給/日給
     commute_allowance DECIMAL(12, 2) DEFAULT 0,
     other_allowance DECIMAL(12, 2) DEFAULT 0,
+    employment_insurance_eligible BOOLEAN DEFAULT TRUE, -- 雇用保険加入対象かどうか
     valid_from DATE NOT NULL,
     valid_to DATE,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
@@ -78,6 +79,7 @@ CREATE TABLE IF NOT EXISTS salary_settings (
 COMMENT ON TABLE salary_settings IS '給与基本設定';
 COMMENT ON COLUMN salary_settings.employment_type IS '雇用形態: 正社員/契約社員/パート/アルバイト';
 COMMENT ON COLUMN salary_settings.payment_type IS '支給形態: 月給/時給/日給';
+COMMENT ON COLUMN salary_settings.employment_insurance_eligible IS '雇用保険加入対象: true=対象、false=非対象';
 
 -- ========================================
 -- 4. 社会保険料率マスタ (Insurance Rates)

frontend/payroll-calculation.html

@@ -88,6 +88,14 @@
       .payroll-detail {
         margin-top: 20px;
       }
+      /* 明細を中央に寄せ、横幅を狭める（読みやすくするため） */
+      .payroll-detail {
+        max-width: 760px;
+        margin-left: auto;
+        margin-right: auto;
+        padding-left: 8px;
+        padding-right: 8px;
+      }
       .detail-section {
         margin-bottom: 20px;
         padding: 15px;
@@ -118,32 +126,57 @@
       .back-link:hover {
         text-decoration: underline;
       }
+      /* タブスタイル */
+      .nav-tabs-calc {
+        display: flex;
+        gap: 10px;
+        margin-bottom: 20px;
+        border-bottom: 2px solid #ddd;
+      }
+      .nav-tab-calc {
+        padding: 10px 20px;
+        cursor: pointer;
+        border: none;
+        background: #f0f0f0;
+        border-radius: 5px 5px 0 0;
+      }
+      .nav-tab-calc.active {
+        background: #007bff;
+        color: white;
+      }
+      .tab-content-calc {
+        display: none;
+      }
+      .tab-content-calc.active {
+        display: block;
+      }
     </style>
   </head>
   <body>
     <div class="container">
       <a href="payroll.html" class="back-link">← 給与管理メニューに戻る</a>
 
-      <h1>給与管理 - 月次給与計算</h1>
+      <h1>給与管理 - 給与・賞与計算</h1>
 
+      <div class="nav-tabs-calc">
+        <button class="nav-tab-calc active" onclick="switchTab('salary')">
+          給与計算
+        </button>
+        <button class="nav-tab-calc" onclick="switchTab('bonus')">
+          賞与計算
+        </button>
+      </div>
+
+      <!-- 給与計算タブ -->
+      <div id="tab-salary" class="tab-content-calc active">
         <div class="filters">
           <label>
             対象年月:
             <input
-            type="number"
-            id="filterYear"
-            style="width: 100px"
-            placeholder="年"
-          />
-        </label>
-        <label>
-          <input
-            type="number"
-            id="filterMonth"
-            style="width: 80px"
-            min="1"
-            max="12"
-            placeholder="月"
+              type="month"
+              id="filterYearMonth"
+              style="width: 160px"
+              placeholder="YYYY-MM"
             />
           </label>
           <button class="btn btn-primary" onclick="loadPayrolls()">検索</button>
@@ -186,17 +219,33 @@
             <div class="form-row">
               <div class="form-group">
                 <label>対象年 *</label>
-              <input type="number" name="payroll_year" required />
+                <input
+                  type="text"
+                  name="payroll_year"
+                  inputmode="numeric"
+                  pattern="\d{4}"
+                  maxlength="4"
+                  oninput="sanitizeDigits(this,4)"
+                  required
+                />
               </div>
               <div class="form-group">
                 <label>対象月 *</label>
-              <input
-                type="number"
-                name="payroll_month"
-                min="1"
-                max="12"
-                required
-              />
+                <select name="payroll_month" required>
+                  <option value="">選択してください</option>
+                  <option value="1">1</option>
+                  <option value="2">2</option>
+                  <option value="3">3</option>
+                  <option value="4">4</option>
+                  <option value="5">5</option>
+                  <option value="6">6</option>
+                  <option value="7">7</option>
+                  <option value="8">8</option>
+                  <option value="9">9</option>
+                  <option value="10">10</option>
+                  <option value="11">11</option>
+                  <option value="12">12</option>
+                </select>
               </div>
               <div class="form-group">
                 <label>支給日 *</label>
@@ -215,7 +264,12 @@
               <div class="form-row">
                 <div class="form-group">
                   <label>出勤日数</label>
-                <input type="number" name="working_days" step="0.5" value="0" />
+                  <input
+                    type="number"
+                    name="working_days"
+                    step="0.5"
+                    value="0"
+                  />
                 </div>
                 <div class="form-group">
                   <label>勤務時間</label>
@@ -252,7 +306,12 @@
                 </div>
                 <div class="form-group">
                   <label>欠勤日数</label>
-                <input type="number" name="absent_days" step="0.5" value="0" />
+                  <input
+                    type="number"
+                    name="absent_days"
+                    step="0.5"
+                    value="0"
+                  />
                 </div>
               </div>
             </div>
@@ -309,8 +368,209 @@
         ></div>
       </div>
 
+      <!-- 賞与計算タブ -->
+      <div id="tab-bonus" class="tab-content-calc">
+        <div class="filters">
+          <label>
+            対象年月:
+            <input
+              type="month"
+              id="filterBonusYearMonth"
+              style="width: 160px"
+              placeholder="YYYY-MM"
+            />
+          </label>
+          <button class="btn btn-primary" onclick="loadBonus()">検索</button>
+          <button class="btn btn-success" onclick="showBonusForm()">
+            新規計算
+          </button>
+        </div>
+
+        <div id="bonusList" class="payroll-list"></div>
+
+        <!-- 賞与計算フォーム -->
+        <div
+          id="bonusModal"
+          style="
+            display: none;
+            position: fixed;
+            top: 50px;
+            left: 50%;
+            transform: translateX(-50%);
+            width: 800px;
+            max-height: 90vh;
+            overflow-y: auto;
+            background: white;
+            padding: 30px;
+            border: 2px solid #007bff;
+            border-radius: 10px;
+            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
+            z-index: 1000;
+          "
+        >
+          <h2>賞与計算</h2>
+          <form id="bonusForm" onsubmit="calculateBonus(event)">
+            <div class="form-group">
+              <label>従業員 *</label>
+              <select name="employee_id" id="bonusEmployeeSelect" required>
+                <option value="">選択してください</option>
+              </select>
+            </div>
+
+            <div class="form-row">
+              <div class="form-group">
+                <label>対象年 *</label>
+                <input
+                  type="text"
+                  name="bonus_year"
+                  inputmode="numeric"
+                  pattern="\d{4}"
+                  maxlength="4"
+                  oninput="sanitizeDigits(this,4)"
+                  required
+                />
+              </div>
+              <div class="form-group">
+                <label>対象月 *</label>
+                <select name="bonus_month" required>
+                  <option value="">選択してください</option>
+                  <option value="1">1</option>
+                  <option value="2">2</option>
+                  <option value="3">3</option>
+                  <option value="4">4</option>
+                  <option value="5">5</option>
+                  <option value="6">6</option>
+                  <option value="7">7</option>
+                  <option value="8">8</option>
+                  <option value="9">9</option>
+                  <option value="10">10</option>
+                  <option value="11">11</option>
+                  <option value="12">12</option>
+                </select>
+              </div>
+              <div class="form-group">
+                <label>賞与種別 *</label>
+                <select name="bonus_type" required>
+                  <option value="">選択してください</option>
+                  <option value="夏季賞与">夏季賞与</option>
+                  <option value="冬季賞与">冬季賞与</option>
+                  <option value="決算賞与">決算賞与</option>
+                  <option value="その他">その他</option>
+                </select>
+              </div>
+            </div>
+
+            <div class="form-row">
+              <div class="form-group">
+                <label>支給日 *</label>
+                <input
+                  type="date"
+                  name="payment_date"
+                  required
+                  min="1900-01-01"
+                  max="2099-12-31"
+                />
+              </div>
+              <div class="form-group">
+                <label>基本賞与額</label>
+                <input type="number" name="base_bonus" step="0.01" value="0" />
+              </div>
+              <div class="form-group">
+                <label>業績賞与</label>
+                <input
+                  type="number"
+                  name="performance_bonus"
+                  step="0.01"
+                  value="0"
+                />
+              </div>
+            </div>
+
+            <div class="form-row">
+              <div class="form-group">
+                <label>その他賞与</label>
+                <input type="number" name="other_bonus" step="0.01" value="0" />
+              </div>
+              <div class="form-group">
+                <label>住民税</label>
+                <input
+                  type="number"
+                  name="resident_tax"
+                  step="0.01"
+                  value="0"
+                />
+              </div>
+              <div class="form-group">
+                <label>その他控除</label>
+                <input
+                  type="number"
+                  name="other_deduction"
+                  step="0.01"
+                  value="0"
+                />
+              </div>
+            </div>
+
+            <button type="submit" class="btn btn-primary">計算実行</button>
+            <button
+              type="button"
+              class="btn btn-secondary"
+              onclick="closeBonusForm()"
+            >
+              キャンセル
+            </button>
+          </form>
+        </div>
+
+        <!-- 賞与明細表示 -->
+        <div
+          id="bonusDetail"
+          class="payroll-detail"
+          style="display: none"
+        ></div>
+      </div>
+    </div>
+
     <script>
       const API_BASE = "http://localhost:18080";
+      let employeeMap = {};
+
+      // sanitize input to digits only and limit length
+      function sanitizeDigits(el, maxLen) {
+        if (!el) return;
+        // remove non-digits
+        el.value = el.value.replace(/\D/g, "");
+        if (maxLen && el.value.length > maxLen)
+          el.value = el.value.slice(0, maxLen);
+      }
+
+      function validateYearMonth(yearStr, monthStr) {
+        const now = new Date();
+        const currentYear = now.getFullYear();
+        if (!/^[0-9]{4}$/.test(String(yearStr)))
+          return {
+            ok: false,
+            message: "対象年は4桁の数字で入力してください（例: 2026）",
+          };
+        const year = Number(yearStr);
+        if (year < 1900 || year > currentYear + 1)
+          return {
+            ok: false,
+            message: `対象年は1900〜${currentYear + 1}の範囲で入力してください`,
+          };
+        if (!/^[0-9]{1,2}$/.test(String(monthStr)))
+          return {
+            ok: false,
+            message: "対象月は数字のみで入力してください（1〜12）",
+          };
+        const month = Number(monthStr);
+        if (month < 1 || month > 12)
+          return {
+            ok: false,
+            message: "対象月は1〜12の範囲で入力してください",
+          };
+        return { ok: true, year, month };
+      }
 
       async function loadEmployees() {
         const response = await fetch(
@@ -318,8 +578,14 @@
         );
         const employees = await response.json();
 
-        const select = document.getElementById("employeeSelect");
-        select.innerHTML =
+        // マップを作成して再利用できるようにする
+        employeeMap = {};
+        employees.forEach((emp) => {
+          employeeMap[emp.employee_id] = emp;
+        });
+
+        // 給与フォームと賞与フォーム両方のセレクトボックスを更新
+        const optionsHtml =
           '<option value="">選択してください</option>' +
           employees
             .map(
@@ -327,26 +593,51 @@
                 `<option value="${emp.employee_id}">${emp.employee_code} - ${emp.name}</option>`
             )
             .join("");
+
+        const salarySelect = document.getElementById("employeeSelect");
+        if (salarySelect) salarySelect.innerHTML = optionsHtml;
+
+        const bonusSelect = document.getElementById("bonusEmployeeSelect");
+        if (bonusSelect) bonusSelect.innerHTML = optionsHtml;
+
+        return employees;
       }
 
       async function loadPayrolls() {
-        const year = document.getElementById("filterYear").value;
-        const month = document.getElementById("filterMonth").value;
+        const ym = document.getElementById("filterYearMonth").value;
+        let year = null;
+        let month = null;
+        if (ym) {
+          const parts = ym.split("-");
+          if (parts.length === 2) {
+            year = Number(parts[0]);
+            month = Number(parts[1]);
+          }
+        }
 
         const params = new URLSearchParams();
         if (year) params.append("payroll_year", year);
         if (month) params.append("payroll_month", month);
+        // employeeMap が空なら読み込む
+        if (!employeeMap || Object.keys(employeeMap).length === 0) {
+          await loadEmployees();
+        }
 
         try {
           const response = await fetch(
             `${API_BASE}/payroll/calculation/?${params}`
           );
           const payrolls = await response.json();
-
           const html = payrolls
-            .map(
-              (p) => `
-                    <div class="payroll-item" onclick="viewPayroll(${
+            .map((p) => {
+              const emp = employeeMap[p.employee_id];
+              const empLabel = emp
+                ? `従業員ID: ${p.employee_id} | ${emp.employee_code} - ${emp.name}`
+                : `従業員ID: ${p.employee_id}`;
+
+              return `
+                    <div class="payroll-item" style="display: flex; justify-content: space-between; align-items: flex-start;">
+                        <div style="flex: 1; cursor: pointer;" onclick="viewPayroll(${
                           p.payroll_id
                         })">
                             <div>
@@ -358,9 +649,7 @@
                                 }">${getStatusLabel(p.status)}</span>
                             </div>
                             <div>
-                            従業員ID: ${p.employee_id} | 支給日: ${
-                p.payment_date
-              }
+                                ${empLabel} | 支給日: ${p.payment_date}
                             </div>
                             <div>
                                 <strong>差引支給額: ¥${Number(
@@ -373,8 +662,14 @@
               ).toLocaleString()})
                             </div>
                         </div>
-                `
-            )
+                        <button class="btn btn-danger btn-small" onclick="deletePayroll(${
+                          p.payroll_id
+                        }); event.stopPropagation();" style="margin-left: 10px; white-space: nowrap; background-color: #dc3545; color: #fff; border: none;">
+                            削除
+                        </button>
+                    </div>
+                `;
+            })
             .join("");
 
           document.getElementById("payrollList").innerHTML =
@@ -416,11 +711,23 @@
         event.preventDefault();
         const form = event.target;
         const formData = new FormData(form);
-        const data = {};
+        // validate year/month
+        const yearStr = formData.get("payroll_year");
+        const monthStr = formData.get("payroll_month");
+        const valid = validateYearMonth(yearStr, monthStr);
+        if (!valid.ok) {
+          alert(valid.message);
+          return;
+        }
 
+        const data = {};
         formData.forEach((value, key) => {
+          // convert numeric-like fields to Number, keep others as-is
           data[key] = isNaN(value) || value === "" ? value : Number(value);
         });
+        // ensure payroll_year/month are numbers
+        data.payroll_year = valid.year;
+        data.payroll_month = valid.month;
 
         try {
           const response = await fetch(
@@ -439,7 +746,11 @@
             viewPayroll(result.payroll_id);
           } else {
             const error = await response.json();
-            alert("計算に失敗しました: " + error.detail);
+            const errorMessage =
+              typeof error.detail === "string"
+                ? error.detail
+                : JSON.stringify(error.detail || error);
+            alert("計算に失敗しました:\n\n" + errorMessage);
           }
         } catch (error) {
           alert("計算に失敗しました");
@@ -460,7 +771,7 @@
           );
           const employee = await empResponse.json();
 
-          // 源泉税控除対象人数を計算（19歳以上のみ）
+          // 源泉税控除対象人数を計算（16歳以上19歳未満の一般扶養親族 + 19歳以上23歳未満の特定扶養親族）
           const dependentCount = employee.dependents
             ? employee.dependents.filter((d) => {
                 // 有効期間チェック
@@ -481,8 +792,8 @@
                   age--;
                 }
 
-                // 19歳以上のみ源泉税控除対象（16-18歳は住民税のみ）
-                return age >= 19;
+                // 16歳以上が源泉税控除対象（16-18歳は一般扶養、19-22歳は特定扶養）
+                return age >= 16;
               }).length
             : 0;
 
@@ -544,10 +855,6 @@
                         <div class="detail-row total-row"><span>総支給額:</span><span>¥${Number(
                           payroll.total_payment
                         ).toLocaleString()}</span></div>
-                    </div>
-
-                    <div class="detail-section">
-                        <h3>控除項目</h3>
                         <div class="detail-row"><span>健康保険:</span><span>¥${Number(
                           payroll.health_insurance
                         ).toLocaleString()}</span></div>
@@ -560,6 +867,12 @@
                         <div class="detail-row"><span>雇用保険:</span><span>¥${Number(
                           payroll.employment_insurance
                         ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span style="font-weight:bold">社会保険小計:</span><span style="font-weight:bold">¥${Number(
+                          Number(payroll.health_insurance || 0) +
+                            Number(payroll.care_insurance || 0) +
+                            Number(payroll.pension_insurance || 0) +
+                            Number(payroll.employment_insurance || 0)
+                        ).toLocaleString()}</span></div>
                         <div class="detail-row">
                           <span>所得税 <small style="color:#666;">(甲欄${dependentCount}人)</small>:</span>
                           <span>¥${Number(
@@ -569,7 +882,7 @@
                         <div style="padding: 5px 10px; background: #f0f8ff; border-radius: 3px; margin: 5px 0; font-size: 12px; color: #666;">
                           <small>
                             ※課税対象額から源泉徴収税額表（甲欄）を参照して計算<br>
-                            　扶養親族${dependentCount}人（19歳以上のみ対象）
+                            　扶養親族${dependentCount}人（16歳以上が対象）
                           </small>
                         </div>
                         <div class="detail-row"><span>住民税:</span><span>¥${Number(
@@ -778,11 +1091,359 @@
         }
       }
 
-      // 初期化
-      const now = new Date();
-      document.getElementById("filterYear").value = now.getFullYear();
-      document.getElementById("filterMonth").value = now.getMonth() + 1;
+      async function deletePayroll(payrollId) {
+        if (
+          !confirm("この給与データを削除しますか？\nこの操作は取り消せません。")
+        )
+          return;
+
+        try {
+          const response = await fetch(
+            `${API_BASE}/payroll/calculation/${payrollId}`,
+            {
+              method: "DELETE",
+            }
+          );
+
+          if (response.ok) {
+            alert("給与データを削除しました");
+            document.getElementById("payrollDetail").style.display = "none";
             loadPayrolls();
+          } else {
+            const error = await response.json();
+            alert(
+              "削除に失敗しました: " + JSON.stringify(error.detail || error)
+            );
+          }
+        } catch (error) {
+          alert("削除に失敗しました");
+          console.error(error);
+        }
+      }
+
+      // 初期化: 月ピッカーにセットして一覧を読み込む
+      const now = new Date();
+      const ym =
+        now.getFullYear() + "-" + String(now.getMonth() + 1).padStart(2, "0");
+      document.getElementById("filterYearMonth").value = ym;
+      document.getElementById("filterBonusYearMonth").value = ym;
+      loadPayrolls();
+
+      // =====================================================
+      // タブ切り替え機能
+      // =====================================================
+      let currentTab = "salary";
+
+      function switchTab(tab) {
+        currentTab = tab;
+
+        // タブボタンの表示切り替え
+        document
+          .querySelectorAll(".nav-tab-calc")
+          .forEach((btn) => btn.classList.remove("active"));
+        event.target.classList.add("active");
+
+        // タブコンテンツの表示切り替え
+        document.getElementById("tab-salary").classList.remove("active");
+        document.getElementById("tab-bonus").classList.remove("active");
+        document.getElementById("tab-" + tab).classList.add("active");
+
+        // 初回表示時に一覧を読み込む
+        if (tab === "bonus") {
+          loadBonus();
+        }
+      }
+
+      // =====================================================
+      // 賞与計算関連
+      // =====================================================
+      async function loadBonus() {
+        const ym = document.getElementById("filterBonusYearMonth").value;
+        let year = null;
+        let month = null;
+        if (ym) {
+          const parts = ym.split("-");
+          if (parts.length === 2) {
+            year = Number(parts[0]);
+            month = Number(parts[1]);
+          }
+        }
+
+        const params = new URLSearchParams();
+        if (year) params.append("bonus_year", year);
+        if (month) params.append("bonus_month", month);
+
+        // employeeMapが空なら読み込む
+        if (!employeeMap || Object.keys(employeeMap).length === 0) {
+          await loadEmployees();
+        }
+
+        try {
+          const response = await fetch(`${API_BASE}/payroll/bonus/?${params}`);
+          const bonuses = await response.json();
+
+          const html = bonuses
+            .map((b) => {
+              const emp = employeeMap[b.employee_id];
+              const empLabel = emp
+                ? `${emp.employee_code} - ${emp.name}`
+                : `従業員: 未登録`;
+
+              return `
+                    <div class="payroll-item" style="display: flex; justify-content: space-between; align-items: flex-start;">
+                        <div style="flex: 1; cursor: pointer;" onclick="viewBonus(${
+                          b.bonus_id
+                        })">
+                            <div>
+                                <strong>${b.bonus_year}年${
+                b.bonus_month
+              }月</strong>
+                                <span class="status-badge status-calculated">${
+                                  b.bonus_type
+                                }</span>
+                            </div>
+                            <div>
+                                ${empLabel} | 支給日: ${b.payment_date}
+                            </div>
+                            <div>
+                                <strong>差引支給額: ¥${Number(
+                                  b.net_bonus
+                                ).toLocaleString()}</strong>
+                                (総支給: ¥${Number(
+                                  b.total_bonus
+                                ).toLocaleString()} - 控除: ¥${Number(
+                b.total_deduction || 0
+              ).toLocaleString()})
+                            </div>
+                        </div>
+                        <button class="btn btn-danger btn-small" onclick="deleteBonus(${
+                          b.bonus_id
+                        }); event.stopPropagation();" style="margin-left: 10px; white-space: nowrap; background-color: #dc3545; color: #fff; border: none;">
+                            削除
+                        </button>
+                    </div>
+                `;
+            })
+            .join("");
+
+          document.getElementById("bonusList").innerHTML =
+            html || "<p>賞与データがありません</p>";
+        } catch (error) {
+          alert("賞与一覧の取得に失敗しました");
+          console.error(error);
+        }
+      }
+
+      function showBonusForm() {
+        document.getElementById("bonusModal").style.display = "block";
+        loadEmployees();
+
+        // デフォルト値設定
+        const now = new Date();
+        document.querySelector("#bonusForm [name='bonus_year']").value =
+          now.getFullYear();
+        document.querySelector("#bonusForm [name='bonus_month']").value =
+          now.getMonth() + 1;
+      }
+
+      function closeBonusForm() {
+        document.getElementById("bonusModal").style.display = "none";
+        document.getElementById("bonusForm").reset();
+      }
+
+      async function calculateBonus(event) {
+        event.preventDefault();
+        const form = event.target;
+        const formData = new FormData(form);
+        // validate year/month
+        const yearStr = formData.get("bonus_year");
+        const monthStr = formData.get("bonus_month");
+        const valid = validateYearMonth(yearStr, monthStr);
+        if (!valid.ok) {
+          alert(valid.message);
+          return;
+        }
+
+        const data = {};
+        formData.forEach((value, key) => {
+          data[key] = isNaN(value) || value === "" ? value : Number(value);
+        });
+        data.bonus_year = valid.year;
+        data.bonus_month = valid.month;
+
+        try {
+          const response = await fetch(`${API_BASE}/payroll/bonus/calculate`, {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify(data),
+          });
+
+          if (response.ok) {
+            const result = await response.json();
+            alert("賞与計算が完了しました");
+            closeBonusForm();
+            viewBonus(result.bonus_id);
+          } else {
+            const error = await response.json();
+            const errorMessage =
+              typeof error.detail === "string"
+                ? error.detail
+                : JSON.stringify(error.detail || error);
+            alert("計算に失敗しました:\n\n" + errorMessage);
+          }
+        } catch (error) {
+          alert("計算に失敗しました");
+          console.error(error);
+        }
+      }
+
+      async function viewBonus(bonusId) {
+        try {
+          const response = await fetch(`${API_BASE}/payroll/bonus/${bonusId}`);
+          const bonus = await response.json();
+
+          // 従業員情報を取得
+          const empResponse = await fetch(
+            `${API_BASE}/payroll/employees/${bonus.employee_id}`
+          );
+          const employee = await empResponse.json();
+
+          const html = `
+                    <h2>${bonus.bonus_year}年${
+            bonus.bonus_month
+          }月 賞与明細</h2>
+                    <p><strong>従業員:</strong> ${employee.employee_code} - ${
+            employee.name
+          } | <strong>支給日:</strong> ${
+            bonus.payment_date
+          } | <strong>賞与種別:</strong> ${bonus.bonus_type}</p>
+
+                    <div class="detail-section">
+                        <h3>支給項目</h3>
+                        <div class="detail-row"><span>基本賞与額:</span><span>¥${Number(
+                          bonus.base_bonus || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span>業績賞与:</span><span>¥${Number(
+                          bonus.performance_bonus || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span>その他賞与:</span><span>¥${Number(
+                          bonus.other_bonus || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row total-row"><span>総支給額:</span><span>¥${Number(
+                          bonus.total_bonus || 0
+                        ).toLocaleString()}</span></div>
+                    </div>
+
+                    <div class="detail-section">
+                        <h3>控除項目</h3>
+                        <div class="detail-row"><span>健康保険:</span><span>¥${Number(
+                          bonus.health_insurance || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span>介護保険:</span><span>¥${Number(
+                          bonus.care_insurance || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span>厚生年金:</span><span>¥${Number(
+                          bonus.pension_insurance || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span>雇用保険:</span><span>¥${Number(
+                          bonus.employment_insurance || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span style="font-weight:bold">社会保険小計:</span><span style="font-weight:bold">¥${Number(
+                          Number(bonus.health_insurance || 0) +
+                            Number(bonus.care_insurance || 0) +
+                            Number(bonus.pension_insurance || 0) +
+                            Number(bonus.employment_insurance || 0)
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span>所得税:</span><span>¥${Number(
+                          bonus.income_tax || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span>住民税:</span><span>¥${Number(
+                          bonus.resident_tax || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row"><span>その他控除:</span><span>¥${Number(
+                          bonus.other_deduction || 0
+                        ).toLocaleString()}</span></div>
+                        <div class="detail-row total-row"><span>総控除額:</span><span>¥${Number(
+                          bonus.total_deduction || 0
+                        ).toLocaleString()}</span></div>
+                    </div>
+
+                    <div class="detail-section" style="background:#e7f3ff;">
+                        <div class="detail-row total-row" style="font-size:1.5em;">
+                            <span>差引支給額:</span>
+                            <span>¥${Number(
+                              bonus.net_bonus || 0
+                            ).toLocaleString()}</span>
+                        </div>
+                    </div>
+
+                    <button class="btn btn-primary" onclick="recalculateBonus(${
+                      bonus.bonus_id
+                    })">再計算</button>
+                    <button class="btn btn-secondary" onclick="document.getElementById('bonusDetail').style.display='none'">閉じる</button>
+                `;
+
+          document.getElementById("bonusDetail").innerHTML = html;
+          document.getElementById("bonusDetail").style.display = "block";
+          document
+            .getElementById("bonusDetail")
+            .scrollIntoView({ behavior: "smooth" });
+        } catch (error) {
+          alert("賞与明細の取得に失敗しました");
+          console.error(error);
+        }
+      }
+
+      async function deleteBonus(bonusId) {
+        if (
+          !confirm("この賞与データを削除しますか？\nこの操作は取り消せません。")
+        )
+          return;
+
+        try {
+          const response = await fetch(`${API_BASE}/payroll/bonus/${bonusId}`, {
+            method: "DELETE",
+          });
+
+          if (response.ok) {
+            alert("賞与データを削除しました");
+            document.getElementById("bonusDetail").style.display = "none";
+            loadBonus();
+          } else {
+            const error = await response.json();
+            alert(
+              "削除に失敗しました: " + JSON.stringify(error.detail || error)
+            );
+          }
+        } catch (error) {
+          alert("削除に失敗しました");
+          console.error(error);
+        }
+      }
+
+      async function recalculateBonus(bonusId) {
+        if (!confirm("賞与を再計算しますか?")) return;
+
+        try {
+          const response = await fetch(
+            `${API_BASE}/payroll/bonus/${bonusId}/recalculate`,
+            {
+              method: "POST",
+            }
+          );
+
+          if (response.ok) {
+            alert("再計算が完了しました");
+            viewBonus(bonusId);
+          } else {
+            const error = await response.json();
+            alert("再計算に失敗しました: " + error.detail);
+          }
+        } catch (error) {
+          alert("再計算に失敗しました");
+          console.error(error);
+        }
+      }
     </script>
   </body>
 </html>

frontend/payroll-employees.html

@@ -916,7 +916,7 @@
                           employee.employee_id
                         })" style="padding: 5px 10px; font-size: 12px;">扶養家族追加</button></h3>
                         ${(() => {
-                          // 源泉税控除対象人数を計算（19歳以上または70歳以上）
+                          // 源泉税控除対象人数を計算（16歳以上）
                           let koureiCount = 0;
                           if (
                             employee.dependents &&
@@ -926,10 +926,11 @@
                               const taxStatus = getTaxDeductionStatus(
                                 dep.birth_date
                               );
-                              // 源泉税控除対象は19歳以上（一般扶養親族16-18歳は住民税のみなので除外）
+                              // 源泉税控除対象は16歳以上（一般扶養親族16-18歳、特定扶養親族19-22歳、老人扶養親族70歳以上）
                               return (
                                 taxStatus?.isDeductible &&
-                                (taxStatus.type === "控除対象扶養親族" ||
+                                (taxStatus.type === "一般扶養親族" ||
+                                  taxStatus.type === "控除対象扶養親族" ||
                                   taxStatus.type === "老人扶養親族")
                               );
                             }).length;
@@ -939,7 +940,7 @@
                             <div style="background: #f0f8ff; padding: 10px; border-radius: 5px; margin-bottom: 15px;">
                               <strong style="color: #0066cc;">甲欄扶養親族人数（源泉税控除対象）: ${koureiCount}人</strong>
                               <small style="display: block; margin-top: 5px; color: #666;">
-                                ※19歳以上の扶養親族が対象（16-18歳は住民税のみ対象のため含まれません）
+                                ※16歳以上の扶養親族が対象（一般扶養親族16-18歳、特定扶養親族19-22歳、老人扶養親族70歳以上）
                               </small>
                             </div>
                           `;
@@ -962,7 +963,7 @@
                                     : ""
                                 }
                                 ${
-                                  taxStatus?.isDeductible
+                                  taxStatus?.label
                                     ? ` <span style="color:${taxStatus.color}; font-weight:bold;">[${taxStatus.label}]</span>`
                                     : ""
                                 }
@@ -1004,7 +1005,8 @@
                               );
                               return (
                                 taxStatus?.isDeductible &&
-                                (taxStatus.type === "控除対象扶養親族" ||
+                                (taxStatus.type === "一般扶養親族" ||
+                                  taxStatus.type === "控除対象扶養親族" ||
                                   taxStatus.type === "老人扶養親族")
                               );
                             }).length;
@@ -1015,8 +1017,8 @@
                           <strong>📋 源泉税控除の説明:</strong>
                           <ul style="margin: 10px 0 0 20px; font-size: 13px; line-height: 1.6;">
                             <li><strong style="color: purple;">老人扶養親族(70歳以上)</strong>: 源泉税・住民税の両方で控除対象</li>
-                            <li><strong style="color: green;">控除対象扶養親族(19歳以上)</strong>: 源泉税・住民税の両方で控除対象</li>
-                            <li><strong style="color: orange;">一般扶養親族(16-18歳)</strong>: 住民税のみ控除対象(源泉税では控除されません)</li>
+                            <li><strong style="color: green;">控除対象扶養親族(19歳以上23歳未満)</strong>: 源泉税・住民税の両方で控除対象</li>
+                            <li><strong style="color: orange;">一般扶養親族(16歳以上19歳未満)</strong>: 源泉税・住民税の両方で控除対象</li>
                             <li><strong style="color: #999;">16歳未満</strong>: 控除対象外</li>
                           </ul>
                           <p style="margin: 10px 0 0 0; font-size: 12px; color: #666;">
@@ -1253,6 +1255,11 @@
                 <label>生年月日</label>
                 <input type="date" name="birth_date" min="1900-01-01" max="2099-12-31" />
               </div>
+              <div class="form-group">
+                <label>マイナンバーカード番号</label>
+                <input type="text" name="mynumber" placeholder="例：123456789012" maxlength="12" />
+                <small>12桁の数字（任意入力）</small>
+              </div>
               <div class="form-group">
                 <label>
                   <input type="checkbox" name="is_spouse" value="true" />
@@ -1304,6 +1311,7 @@
           name: formData.get("name"),
           relationship: formData.get("relationship"),
           birth_date: formData.get("birth_date") || null,
+          mynumber: formData.get("mynumber") || null,
           is_spouse: formData.get("is_spouse") === "true",
           is_disabled: formData.get("is_disabled") === "true",
           income_amount: parseFloat(formData.get("income_amount")) || 0,
@@ -1335,19 +1343,16 @@
         }
       }
 
-      // その年の12月31日時点の年齢を計算
-      function calculateAgeAtYearEnd(
-        birthDate,
-        targetYear = new Date().getFullYear()
-      ) {
+      // 現在時点の満年齢を計算
+      function calculateAgeAtYearEnd(birthDate) {
         if (!birthDate) return null;
+        const today = new Date();
         const birth = new Date(birthDate);
-        const yearEnd = new Date(targetYear, 11, 31); // 12月31日
-        let age = yearEnd.getFullYear() - birth.getFullYear();
-        const monthDiff = yearEnd.getMonth() - birth.getMonth();
+        let age = today.getFullYear() - birth.getFullYear();
+        const monthDiff = today.getMonth() - birth.getMonth();
         if (
           monthDiff < 0 ||
-          (monthDiff === 0 && yearEnd.getDate() < birth.getDate())
+          (monthDiff === 0 && today.getDate() < birth.getDate())
         ) {
           age--;
         }
@@ -1379,7 +1384,7 @@
           return {
             isDeductible: true,
             type: "一般扶養親族",
-            label: "一般扶養親族(住民税のみ)",
+            label: "一般扶養親族(源泉税・住民税)",
             color: "orange",
             age,
           };
@@ -1387,7 +1392,7 @@
           return {
             isDeductible: false,
             type: null,
-            label: null,
+            label: "源泉税控除対象外",
             color: null,
             age,
           };
@@ -1458,6 +1463,13 @@
                   dependent.birth_date || ""
                 }" min="1900-01-01" max="2099-12-31" />
               </div>
+              <div class="form-group">
+                <label>マイナンバーカード番号</label>
+                <input type="text" name="mynumber" value="${
+                  dependent.mynumber || ""
+                }" placeholder="例：123456789012" maxlength="12" />
+                <small>12桁の数字（任意入力）</small>
+              </div>
               <div class="form-group">
                 <label>
                   <input type="checkbox" name="is_spouse" value="true" ${
@@ -1515,6 +1527,7 @@
           name: formData.get("name"),
           relationship: formData.get("relationship"),
           birth_date: formData.get("birth_date") || null,
+          mynumber: formData.get("mynumber") || null,
           is_spouse: formData.get("is_spouse") === "true",
           is_disabled: formData.get("is_disabled") === "true",
           income_amount: parseFloat(formData.get("income_amount")) || 0,

frontend/payroll-salary-settings.html

@@ -159,6 +159,19 @@
               value="0"
             />
           </div>
+          <div class="form-group">
+            <label style="display: flex; align-items: center">
+              <input
+                type="checkbox"
+                name="employment_insurance_eligible"
+                id="employment_insurance_eligible"
+                checked
+                style="width: auto; margin-right: 8px"
+              />
+              <span>雇用保険加入対象</span>
+            </label>
+            <small>チェックを入れると雇用保険に加入します</small>
+          </div>
           <div class="form-group">
             <label>適用開始日 *</label>
             <input
@@ -267,6 +280,7 @@
                 <th>支給形態</th>
                 <th>通勤手当</th>
                 <th>その他手当</th>
+                <th>雇用保険</th>
                 <th>適用期間</th>
                 <th>操作</th>
               </tr>
@@ -290,6 +304,11 @@
                     <td>${s.payment_type}</td>
                     <td>¥${Number(s.commute_allowance).toLocaleString()}</td>
                     <td>¥${Number(s.other_allowance).toLocaleString()}</td>
+                    <td>${
+                      s.employment_insurance_eligible !== false
+                        ? "✓ 対象"
+                        : "✗ 非対象"
+                    }</td>
                     <td>${s.valid_from} ～ ${s.valid_to || "現在"}</td>
                     <td>
                       <button class="btn btn-primary" onclick="editSetting(${
@@ -300,7 +319,7 @@
               `
                       )
                       .join("")
-                  : '<tr><td colspan="10" style="text-align:center;">給与設定が登録されていません</td></tr>'
+                  : '<tr><td colspan="11" style="text-align:center;">給与設定が登録されていません</td></tr>'
               }
             </tbody>
           </table>
@@ -339,6 +358,8 @@
                 setting.commute_allowance;
               document.getElementById("other_allowance").value =
                 setting.other_allowance;
+              document.getElementById("employment_insurance_eligible").checked =
+                setting.employment_insurance_eligible !== false;
               document.getElementById("valid_from").value = setting.valid_from;
               document.getElementById("valid_to").value =
                 setting.valid_to || "";
@@ -386,6 +407,9 @@
           payment_type: formData.get("payment_type"),
           commute_allowance: parseFloat(formData.get("commute_allowance")) || 0,
           other_allowance: parseFloat(formData.get("other_allowance")) || 0,
+          employment_insurance_eligible: document.getElementById(
+            "employment_insurance_eligible"
+          ).checked,
           valid_from: formData.get("valid_from"),
         };
 

frontend/payroll-settings.html

@@ -547,7 +547,7 @@
 
       <!-- 所得税率表タブ -->
       <div id="tab-tax" class="tab-content">
-        <h2>所得税率表</h2>
+        <h2>所得税率表(年度1月～12月)</h2>
         <button
           class="btn btn-primary"
           onclick="document.getElementById('csvFile').click()"
@@ -567,13 +567,13 @@
 
       <!-- 標準報酬月額表タブ -->
       <div id="tab-standard-remuneration" class="tab-content">
-        <h2>標準報酬月額表</h2>
+        <h2>標準報酬月額表（年度3月～翌年2月）</h2>
         <div class="info-box">
           <strong>標準報酬月額表について:</strong>
           <ul style="margin: 10px 0 0 20px">
             <li>健康保険・厚生年金保険の保険料額表をインポートします</li>
             <li>都道府県ごとの料率表に対応しています</li>
-            <li>年度と都道府県を指定してください</li>
+            <li>年度をクリックして展開してください</li>
           </ul>
         </div>
 
@@ -594,7 +594,6 @@
         </div>
 
         <div id="stdRemunerationYearsList" style="margin-top: 20px"></div>
-        <div id="stdRemunerationDataContainer" style="margin-top: 20px"></div>
       </div>
     </div>
 
@@ -635,7 +634,399 @@
         } else if (tabName === "tax") {
           loadIncomeTax();
         } else if (tabName === "standard-remuneration") {
-          loadStdRemunerationData();
+          loadStdRemunerationYears();
+        }
+      }
+
+      // =====================================================
+      // 標準報酬月額表関連
+      // =====================================================
+      async function loadStdRemunerationYears() {
+        try {
+          const response = await fetch(
+            `${API_BASE}/payroll/settings/standard-remuneration/years`
+          );
+          const years = await response.json();
+
+          if (!years || years.length === 0) {
+            document.getElementById("stdRemunerationYearsList").innerHTML =
+              "<p>データがありません。インポートしてください。</p>";
+            return;
+          }
+
+          const html = years
+            .sort((a, b) => b - a)
+            .map(
+              (year) => `
+            <div class="year-item" id="std-year-${year}">
+              <div class="year-header" style="display: flex; justify-content: space-between; align-items: center;">
+                <div style="cursor: pointer; flex: 1;" onclick="toggleStdRemunerationYear(${year})">
+                  📅 ${year}年度 <span style="font-size: 14px; color: #666;">(クリックして展開)</span>
+                </div>
+                <button class="btn btn-danger btn-small" onclick="deleteStdRemunerationYear(${year})" style="margin-left: 10px;">
+                  削除
+                </button>
+              </div>
+              <div class="year-data" id="std-data-${year}">
+                <div id="std-table-${year}">読み込み中...</div>
+              </div>
+            </div>
+          `
+            )
+            .join("");
+
+          document.getElementById("stdRemunerationYearsList").innerHTML = html;
+        } catch (error) {
+          console.error("年度リストの取得に失敗:", error);
+          document.getElementById("stdRemunerationYearsList").innerHTML =
+            '<p style="color:red;">年度リストの取得に失敗しました</p>';
+        }
+      }
+
+      async function toggleStdRemunerationYear(year) {
+        const yearItem = document.getElementById(`std-year-${year}`);
+        const wasExpanded = yearItem.classList.contains("expanded");
+
+        // 他の年度を閉じる
+        document
+          .querySelectorAll("#stdRemunerationYearsList .year-item")
+          .forEach((item) => {
+            item.classList.remove("expanded");
+          });
+
+        if (!wasExpanded) {
+          yearItem.classList.add("expanded");
+          currentExpandedStdYear = year;
+          await loadStdRemunerationYearData(year);
+        } else {
+          currentExpandedStdYear = null;
+        }
+      }
+
+      async function loadStdRemunerationYearData(year) {
+        const params = new URLSearchParams();
+        params.append("year", year);
+        const url = `${API_BASE}/payroll/settings/standard-remuneration?${params.toString()}`;
+
+        try {
+          const response = await fetch(url);
+          if (!response.ok) throw new Error(`HTTP ${response.status}`);
+
+          const data = await response.json();
+
+          if (!Array.isArray(data) || data.length === 0) {
+            document.getElementById(`std-table-${year}`).innerHTML =
+              "<p>該当するデータがありません</p>";
+            return;
+          }
+
+          // セッションストレージからメタデータを取得
+          const metadata = JSON.parse(
+            sessionStorage.getItem("stdRemunMetadata") || "{}"
+          );
+          console.log("取得したメタデータ:", metadata);
+
+          // 都道府県ごとにグループ化
+          const prefectures = {};
+          data.forEach((row) => {
+            if (!prefectures[row.prefecture]) {
+              prefectures[row.prefecture] = [];
+            }
+            prefectures[row.prefecture].push(row);
+          });
+
+          // 都道府県ごとにテーブルを作成
+          let tablesHtml = "";
+          for (const [prefecture, prefData] of Object.entries(prefectures)) {
+            tablesHtml += `<h3 style="margin-top: 20px; margin-bottom: 10px; color: #333;">${prefecture}</h3>`;
+            tablesHtml += renderStdRemunerationTable(prefData, metadata);
+          }
+
+          document.getElementById(`std-table-${year}`).innerHTML = tablesHtml;
+        } catch (error) {
+          console.error("データ読み込みエラー:", error);
+          document.getElementById(
+            `std-table-${year}`
+          ).innerHTML = `<p style="color:red;">データの取得に失敗しました: ${error.message}</p>`;
+        }
+      }
+
+      function renderStdRemunerationTable(data, metadata = {}) {
+        if (!data || data.length === 0) {
+          return "<p>データがありません。</p>";
+        }
+
+        // A1セルの内容を表示（あれば）
+        let sourceHtml = "";
+        console.log("renderStdRemunerationTable - metadata内容:", metadata);
+        console.log(
+          "renderStdRemunerationTable - metadata.source:",
+          metadata.source
+        );
+        if (metadata.source) {
+          sourceHtml = `<p style="margin-bottom: 15px; padding: 10px; background: #f0f8ff; border-left: 3px solid #0066cc; color: #333;"><strong>対象期間:</strong> ${metadata.source}</p>`;
+        } else {
+          console.warn("⚠️ metadata.sourceが空です");
+        }
+
+        // メタデータから保険料率を取得
+        const rates = {
+          healthNoCareRate: metadata.health_no_care_rate,
+          healthWithCareRate: metadata.health_with_care_rate,
+          pensionRate: metadata.pension_rate,
+        };
+
+        // メタデータはヘッダーに組み込むため、ここでは空にする
+        let metadataHtml = "";
+
+        // 等級でソート（最初の数字を抽出して数値順にソート）
+        const sortedData = data.sort((a, b) => {
+          const gradeA = String(a.grade).trim();
+          const gradeB = String(b.grade).trim();
+
+          // 括弧や記号を除いて、最初の数字を抽出
+          const numA = parseInt(gradeA.match(/\d+/)?.[0] || 0);
+          const numB = parseInt(gradeB.match(/\d+/)?.[0] || 0);
+
+          // 数値で比較
+          if (numA !== numB) {
+            return numA - numB;
+          }
+
+          // 同じ数値の場合は元の文字列で比較
+          return gradeA.localeCompare(gradeB, "ja");
+        });
+
+        // ペンション値の段階的な埋め充（2段階）
+        // ステップ1: 0の値に対して、下方を探して最初の非ゼロ値を使用（向下查找）
+        const step1Data = [...sortedData];
+        for (let i = 0; i < step1Data.length; i++) {
+          const pensionVal = parseFloat(step1Data[i].pension_insurance);
+          if (pensionVal === 0) {
+            // 下方を探して最初の非ゼロ値を見つける
+            let nextNonZero = 0;
+            for (let j = i + 1; j < step1Data.length; j++) {
+              const nextVal = parseFloat(step1Data[j].pension_insurance);
+              if (nextVal > 0) {
+                nextNonZero = nextVal;
+                break;
+              }
+            }
+            if (nextNonZero > 0) {
+              step1Data[i].pension_insurance = nextNonZero;
+            }
+          }
+        }
+
+        console.log("=== ステップ1完了（下方探索）===");
+        console.log(
+          "step1Data:",
+          step1Data.map((d) => ({
+            grade: d.grade,
+            pension: d.pension_insurance,
+          }))
+        );
+
+        // ステップ2: 非ゼロ値を下方へ延続（前の有効値が0以下になったら、前の非ゼロ値を使用）
+        const adjustedData = [...step1Data];
+        let lastValidPension = 0;
+
+        for (let i = 0; i < adjustedData.length; i++) {
+          const pensionVal = parseFloat(adjustedData[i].pension_insurance);
+
+          if (pensionVal > 0) {
+            // 非ゼロ値を見つけたら、それを記録
+            lastValidPension = pensionVal;
+          } else if (pensionVal === 0 && lastValidPension > 0) {
+            // 0だが前に有効な値がある場合、それを使用
+            adjustedData[i].pension_insurance = lastValidPension;
+          }
+        }
+
+        console.log("=== ステップ2完了（下方延続）===");
+        console.log(
+          "adjustedData:",
+          adjustedData.map((d) => ({
+            grade: d.grade,
+            pension: d.pension_insurance,
+          }))
+        );
+
+        console.log("調整後のデータ（最初の3件）:", adjustedData.slice(0, 3));
+
+        const thead = `
+          <thead>
+            <tr>
+              <th rowspan="3">等級</th>
+              <th rowspan="3">標準報酬月額</th>
+              <th rowspan="3">報酬月額 以上</th>
+              <th rowspan="3">報酬月額 未満</th>
+              <th colspan="2">健康保険料（介護保険なし）</th>
+              <th colspan="2">健康保険料（介護保険あり）</th>
+              <th colspan="2">厚生年金保険料</th>
+            </tr>
+            <tr style="background-color: #f0f0f0;">
+              <th colspan="2" style="text-align: center; font-weight: bold; color: #007bff;">
+                ${
+                  rates.healthNoCareRate !== undefined
+                    ? rates.healthNoCareRate.toFixed(2) + "%"
+                    : "-"
+                }
+              </th>
+              <th colspan="2" style="text-align: center; font-weight: bold; color: #007bff;">
+                ${
+                  rates.healthWithCareRate !== undefined
+                    ? rates.healthWithCareRate.toFixed(2) + "%"
+                    : "-"
+                }
+              </th>
+              <th colspan="2" style="text-align: center; font-weight: bold; color: #007bff;">
+                ${
+                  rates.pensionRate !== undefined
+                    ? rates.pensionRate.toFixed(2) + "%"
+                    : "-"
+                }
+              </th>
+            </tr>
+            <tr>
+              <th>全額</th>
+              <th>折半額</th>
+              <th>全額</th>
+              <th>折半額</th>
+              <th>全額</th>
+              <th>折半額</th>
+            </tr>
+          </thead>
+        `;
+        const tbody = `
+          <tbody>
+            ${adjustedData
+              .map((row) => {
+                // 保険料を2で割って折半額を計算
+                const healthNoCareHalf = (
+                  parseFloat(row.health_insurance_no_care) / 2
+                ).toFixed(2);
+                const healthWithCareHalf = (
+                  parseFloat(row.health_insurance_with_care) / 2
+                ).toFixed(2);
+                const pensionHalf = (
+                  parseFloat(row.pension_insurance) / 2
+                ).toFixed(2);
+
+                return `
+                  <tr>
+                    <td>${row.grade ?? ""}</td>
+                    <td>${Number(row.monthly_amount ?? 0).toLocaleString()}</td>
+                    <td>${Number(row.salary_from ?? 0).toLocaleString()}</td>
+                    <td>${Number(row.salary_to ?? 0).toLocaleString()}</td>
+                    <td>${Number(
+                      row.health_insurance_no_care ?? 0
+                    ).toLocaleString()}</td>
+                    <td>${Number(healthNoCareHalf ?? 0).toLocaleString()}</td>
+                    <td>${Number(
+                      row.health_insurance_with_care ?? 0
+                    ).toLocaleString()}</td>
+                    <td>${Number(healthWithCareHalf ?? 0).toLocaleString()}</td>
+                    <td>${Number(
+                      row.pension_insurance ?? 0
+                    ).toLocaleString()}</td>
+                    <td>${Number(pensionHalf ?? 0).toLocaleString()}</td>
+                  </tr>
+                `;
+              })
+              .join("")}
+          </tbody>
+        `;
+        return (
+          sourceHtml +
+          metadataHtml +
+          `<table style="width:100%; border-collapse: collapse; border: 1px solid #ccc;">${thead}${tbody}</table>`
+        );
+      }
+
+      async function loadStdRemunerationData() {
+        // 现在这个函数用于在导入后刷新年份列表
+        await loadStdRemunerationYears();
+      }
+
+      async function deleteStdRemunerationYear(year) {
+        const confirmed = confirm(
+          `⚠️ 警告\n\n${year}年度の標準報酬月額表データを削除します。\nこの操作は取り消せません。\n\n本当に削除してもよろしいですか？`
+        );
+        if (!confirmed) {
+          console.log(`${year}年度の削除がキャンセルされました`);
+          return;
+        }
+
+        console.log(`=== ${year}年度データ削除開始 ===`);
+
+        try {
+          const response = await fetch(
+            `${API_BASE}/payroll/settings/standard-remuneration/year/${year}`,
+            { method: "DELETE" }
+          );
+
+          console.log("削除レスポンスステータス:", response.status);
+          const result = await response.json();
+          console.log("削除結果:", result);
+
+          if (response.ok) {
+            alert(
+              `✓ ${year}年度のデータ（${result.deleted_count}件）を削除しました`
+            );
+            console.log(`=== ${year}年度データ削除完了 ===`);
+
+            // 年份リストをリロード
+            await loadStdRemunerationYears();
+          } else {
+            alert(
+              "削除に失敗しました:\n" + JSON.stringify(result.detail || result)
+            );
+          }
+        } catch (error) {
+          console.error("削除エラー:", error);
+          alert(`${year}年度のデータ削除に失敗しました:\n` + error.message);
+        }
+      }
+
+      async function clearAllStdRemunerationData() {
+        const confirmed = confirm(
+          "⚠️ 警告\n\n標準報酬月額表のすべてのデータを削除します。\nこの操作は取り消せません。\n\n本当に削除してもよろしいですか？"
+        );
+        if (!confirmed) {
+          console.log("削除操作がキャンセルされました");
+          return;
+        }
+
+        console.log("=== 全データ削除開始 ===");
+
+        try {
+          const response = await fetch(
+            `${API_BASE}/payroll/settings/standard-remuneration/all`,
+            { method: "DELETE" }
+          );
+
+          console.log("削除レスポンスステータス:", response.status);
+          const result = await response.json();
+          console.log("削除結果:", result);
+
+          if (response.ok) {
+            alert(
+              `✓ ${result.deleted_count}件のデータを削除しました\n\n再度Excelファイルをインポートしてください`
+            );
+            console.log("=== 全データ削除完了 ===");
+
+            // 年份列表をクリア
+            document.getElementById("stdRemunerationYearsList").innerHTML =
+              "<p>データが削除されました。Excelファイルを再度インポートしてください。</p>";
+          } else {
+            alert(
+              "削除に失敗しました:\n" + JSON.stringify(result.detail || result)
+            );
+          }
+        } catch (error) {
+          console.error("削除エラー:", error);
+          alert("全データ削除中にエラーが発生しました:\n" + error.message);
         }
       }
 
@@ -643,7 +1034,12 @@
       // 保険料率関連
       // =====================================================
       function showInsuranceForm() {
-        document.getElementById("insuranceForm").style.display = "block";
+        const el = document.getElementById("insuranceForm");
+        el.style.display = "block";
+        // 表示エリアへスクロールして最初の入力にフォーカス
+        el.scrollIntoView({ behavior: "smooth", block: "center" });
+        const firstInput = el.querySelector('[name="rate_year"]');
+        if (firstInput) firstInput.focus();
       }
 
       function hideInsuranceForm() {
@@ -719,6 +1115,9 @@
                       }</td>
                       <td>${rate.notes || "-"}</td>
                       <td>
+                        <button class="btn btn-primary btn-small" onclick="copyInsuranceRate(${
+                          rate.rate_id
+                        })">複製</button>
                         <button class="btn btn-primary btn-small" onclick="editInsuranceRate(${
                           rate.rate_id
                         })">編集</button>
@@ -761,6 +1160,55 @@
           document.getElementById("editRateId").value = rateId;
 
           // フォームにデータを入力
+          fillInsuranceForm(rate);
+
+          // フォームを表示
+          const el = document.getElementById("insuranceForm");
+          el.style.display = "block";
+          el.scrollIntoView({ behavior: "smooth", block: "center" });
+          const firstInput = el.querySelector('[name="rate_year"]');
+          if (firstInput) firstInput.focus();
+        } catch (error) {
+          alert("データの取得に失敗しました");
+          console.error(error);
+        }
+      }
+
+      async function copyInsuranceRate(rateId) {
+        try {
+          const response = await fetch(
+            `${API_BASE}/payroll/settings/insurance-rates`
+          );
+          const rates = await response.json();
+          const rate = rates.find((r) => r.rate_id === rateId);
+
+          if (!rate) {
+            alert("データが見つかりません");
+            return;
+          }
+
+          // フォームを新規追加モードに切り替え
+          document.getElementById("insuranceFormTitle").innerText =
+            "保険料率の登録（複製）";
+          document.getElementById("editMode").value = "false";
+          document.getElementById("editRateId").value = "";
+
+          // フォームにデータを入力
+          fillInsuranceForm(rate);
+
+          // フォームを表示
+          const el = document.getElementById("insuranceForm");
+          el.style.display = "block";
+          el.scrollIntoView({ behavior: "smooth", block: "center" });
+          const firstInput = el.querySelector('[name="rate_year"]');
+          if (firstInput) firstInput.focus();
+        } catch (error) {
+          alert("データの取得に失敗しました");
+          console.error(error);
+        }
+      }
+
+      function fillInsuranceForm(rate) {
         const form = document.getElementById("insuranceRateForm");
         form.querySelector('[name="rate_year"]').value = rate.rate_year;
         form.querySelector('[name="calculation_target"]').value =
@@ -776,13 +1224,6 @@
         form.querySelector('[name="care_insurance_age_threshold"]').value =
           rate.care_insurance_age_threshold || "";
         form.querySelector('[name="notes"]').value = rate.notes || "";
-
-          // フォームを表示
-          document.getElementById("insuranceForm").style.display = "block";
-        } catch (error) {
-          alert("データの取得に失敗しました");
-          console.error(error);
-        }
       }
 
       async function saveInsuranceRate(event) {
@@ -1275,6 +1716,7 @@
       // 所得税率表関連
       // =====================================================
       let currentExpandedYear = null;
+      let currentExpandedStdYear = null;
 
       async function loadIncomeTax() {
         await loadIncomeTaxYears();
@@ -1296,14 +1738,19 @@
           const html = data.years
             .map(
               (year) => `
-            <div class="year-item" id="year-${year}" onclick="toggleYear(${year})">
-              <div class="year-header">
+            <div class="year-item" id="year-${year}">
+              <div class="year-header" style="display: flex; justify-content: space-between; align-items: center;">
+                <div style="cursor: pointer; flex: 1;" onclick="toggleYear(${year})">
                   📅 ${year}年度 <span style="font-size: 14px; color: #666;">(クリックして展開)</span>
                 </div>
+                <button class="btn btn-danger btn-small" onclick="deleteTaxDataYear(${year})" style="margin-left: 10px;">
+                  削除
+                </button>
+              </div>
               <div class="year-data" id="data-${year}">
                 <div class="filter-controls">
                   <label>扶養人数でフィルター: </label>
-                  <select id="filter-${year}" onchange="loadYearData(${year})">
+                  <select id="filter-${year}" onchange="loadYearData(${year})" onclick="event.stopPropagation()">
                     <option value="">全て</option>
                     <option value="0">0人</option>
                     <option value="1">1人</option>
@@ -1329,6 +1776,46 @@
         }
       }
 
+      async function deleteTaxDataYear(year) {
+        const confirmed = confirm(
+          `⚠️ 警告\n\n${year}年度の所得税率表データを削除します。\nこの操作は取り消せません。\n\n本当に削除してもよろしいですか？`
+        );
+        if (!confirmed) {
+          console.log(`${year}年度の削除がキャンセルされました`);
+          return;
+        }
+
+        console.log(`=== ${year}年度所得税データ削除開始 ===`);
+
+        try {
+          const response = await fetch(
+            `${API_BASE}/payroll/settings/income-tax/year/${year}`,
+            { method: "DELETE" }
+          );
+
+          console.log("削除レスポンスステータス:", response.status);
+          const result = await response.json();
+          console.log("削除結果:", result);
+
+          if (response.ok) {
+            alert(
+              `✓ ${year}年度のデータ（${result.deleted_count}件）を削除しました`
+            );
+            console.log(`=== ${year}年度所得税データ削除完了 ===`);
+
+            // 年份リストをリロード
+            await loadIncomeTaxYears();
+          } else {
+            alert(
+              "削除に失敗しました:\n" + JSON.stringify(result.detail || result)
+            );
+          }
+        } catch (error) {
+          console.error("削除エラー:", error);
+          alert(`${year}年度のデータ削除に失敗しました:\n` + error.message);
+        }
+      }
+
       async function toggleYear(year) {
         const yearItem = document.getElementById(`year-${year}`);
         const wasExpanded = yearItem.classList.contains("expanded");
@@ -1445,181 +1932,19 @@
       }
 
       // =====================================================
-      // 標準報酬月額表関連の関数
+      // 標準報酬月額表関連
       // =====================================================
-      async function loadStdRemunerationData() {
-        try {
-          const response = await fetch(
-            `${API_BASE}/payroll/settings/standard-remuneration/years`
-          );
-          if (!response.ok) {
-            throw new Error("Failed to load years");
-          }
-          const years = await response.json();
-
-          if (!years || years.length === 0) {
-            document.getElementById("stdRemunerationYearsList").innerHTML =
-              "<p>データがありません。Excelファイルをインポートしてください。</p>";
-            return;
-          }
-
-          const html = years
-            .map(
-              (year) => `
-            <div class="year-item" id="std-year-${year}">
-              <div class="year-header" onclick="toggleStdRemunerationYear(${year})">
-                <span class="year-title">${year}年度</span>
-                <span class="expand-icon">▼</span>
-              </div>
-              <div class="year-content" id="std-content-${year}"></div>
-            </div>
-          `
-            )
-            .join("");
-
-          document.getElementById("stdRemunerationYearsList").innerHTML = html;
-        } catch (error) {
-          alert("年度リストの取得に失敗しました");
-          console.error(error);
-        }
-      }
-
-      async function toggleStdRemunerationYear(year) {
-        const yearItem = document.getElementById(`std-year-${year}`);
-        const wasExpanded = yearItem.classList.contains("expanded");
-
-        // 他の年度を閉じる
-        document.querySelectorAll(".year-item").forEach((item) => {
-          item.classList.remove("expanded");
-        });
-
-        if (!wasExpanded) {
-          yearItem.classList.add("expanded");
-          await loadStdRemunerationYearData(year);
-        } else {
-          document.getElementById(`std-content-${year}`).innerHTML = "";
-        }
-      }
-
-      async function loadStdRemunerationYearData(year) {
-        const filterSelect = document.getElementById(`std-filter-${year}`);
-        const prefectureFilter = filterSelect ? filterSelect.value : "";
-        const params = new URLSearchParams({ year: year });
-        if (prefectureFilter) {
-          params.append("prefecture", prefectureFilter);
-        }
-
-        try {
-          const response = await fetch(
-            `${API_BASE}/payroll/settings/standard-remuneration?${params}`
-          );
-          const data = await response.json();
-
-          if (data.length === 0) {
-            document.getElementById(`std-content-${year}`).innerHTML =
-              '<p class="no-data">データがありません</p>';
-            return;
-          }
-
-          // 都道府県でグループ化
-          const groupedByPrefecture = {};
-          data.forEach((row) => {
-            if (!groupedByPrefecture[row.prefecture]) {
-              groupedByPrefecture[row.prefecture] = [];
-            }
-            groupedByPrefecture[row.prefecture].push(row);
-          });
-
-          // 都道府県一覧を取得
-          const prefectures = Object.keys(groupedByPrefecture).sort();
-
-          const html = `
-            <div class="filter-section">
-              <label>都道府県で絞り込み:</label>
-              <select id="std-filter-${year}" onchange="loadStdRemunerationYearData(${year})" style="margin-left: 10px">
-                <option value="">すべて</option>
-                ${prefectures
-                  .map(
-                    (pref) =>
-                      `<option value="${pref}" ${
-                        prefectureFilter === pref ? "selected" : ""
-                      }>${pref}</option>`
-                  )
-                  .join("")}
-              </select>
-            </div>
-            ${Object.entries(groupedByPrefecture)
-              .map(
-                ([prefecture, rows]) => `
-              <div style="margin-top: 20px">
-                <h4>${prefecture}</h4>
-                <table>
-                  <thead>
-                    <tr>
-                      <th rowspan="2">等級</th>
-                      <th rowspan="2">標準報酬月額</th>
-                      <th colspan="2">報酬月額</th>
-                      <th colspan="2">健康保険料</th>
-                      <th rowspan="2">厚生年金保険料</th>
-                    </tr>
-                    <tr>
-                      <th>以上</th>
-                      <th>未満</th>
-                      <th>介護保険なし</th>
-                      <th>介護保険あり</th>
-                    </tr>
-                  </thead>
-                  <tbody>
-                    ${rows
-                      .map(
-                        (row) => `
-                      <tr>
-                        <td>${row.grade}</td>
-                        <td class="number">${formatNumber(
-                          row.monthly_amount
-                        )}</td>
-                        <td class="number">${formatNumber(row.salary_from)}</td>
-                        <td class="number">${
-                          row.salary_to ? formatNumber(row.salary_to) : "〜"
-                        }</td>
-                        <td class="number">${formatNumber(
-                          row.health_insurance_no_care
-                        )}</td>
-                        <td class="number">${formatNumber(
-                          row.health_insurance_with_care
-                        )}</td>
-                        <td class="number">${formatNumber(
-                          row.pension_insurance
-                        )}</td>
-                      </tr>
-                    `
-                      )
-                      .join("")}
-                  </tbody>
-                </table>
-              </div>
-            `
-              )
-              .join("")}
-          `;
-
-          document.getElementById(`std-content-${year}`).innerHTML = html;
-        } catch (error) {
-          alert("データの取得に失敗しました");
-          console.error(error);
-        }
-      }
-
       async function importStdRemunerationTable(event) {
         const file = event.target.files[0];
         if (!file) return;
 
+        // 都道府県をプロンプトで取得
         const prefecture = prompt(
-          "都道府県名を入力してください（例: 東京）:",
+          "都道府県を入力してください（例: 東京、神奈川）:",
           ""
         );
         if (!prefecture || !prefecture.trim()) {
-          alert("都道府県名を入力してください");
+          alert("都道府県を入力してください");
           event.target.value = "";
           return;
         }
@@ -1628,6 +1953,10 @@
         formData.append("file", file);
         formData.append("prefecture", prefecture.trim());
 
+        console.log("=== インポート開始 ===");
+        console.log("ファイル:", file.name);
+        console.log("都道府県:", prefecture.trim());
+
         try {
           const response = await fetch(
             `${API_BASE}/payroll/settings/standard-remuneration/import`,
@@ -1637,31 +1966,59 @@
             }
           );
 
-          if (response.ok) {
+          console.log("レスポンスステータス:", response.status);
           const result = await response.json();
-            alert(
-              `インポートしました: ${result.imported_count}件\n年度: ${
-                result.year
-              }年\n都道府県: ${prefecture}\n\n取得元: ${result.source || ""}`
+          console.log("レスポンスボディ:", result);
+
+          if (response.ok) {
+            let message = `✓ インポート成功!\n年度: ${result.year}年\n都道府県: ${prefecture}\nインポート件数: ${result.imported_count}件`;
+            if (result.source) {
+              message += `\n取得元: ${result.source}`;
+            }
+            console.log("インポート成功:", message);
+            console.log("デバッグ情報:", result.debug_info);
+
+            // メタデータをセッションストレージに保存
+            if (result.metadata) {
+              console.log("メタデータ保存:", result.metadata);
+              sessionStorage.setItem(
+                "stdRemunMetadata",
+                JSON.stringify(result.metadata)
               );
+            }
+
+            alert(message);
+            // 年度リストをリロード（新UIは検索条件がないため、直接リロード）
             loadStdRemunerationData();
           } else {
-            const error = await response.json();
-            alert("インポートに失敗しました: " + JSON.stringify(error.detail));
+            // エラーレスポンスの詳細を表示
+            const errorDetail = result.detail;
+            console.error("インポート失敗:", errorDetail);
+
+            // エラー詳細が配列またはオブジェクトの場合
+            let errorMessage = "インポートに失敗しました:\n\n";
+            if (Array.isArray(errorDetail)) {
+              errorMessage += errorDetail.slice(0, 10).join("\n");
+            } else if (typeof errorDetail === "object") {
+              errorMessage += JSON.stringify(errorDetail, null, 2).substring(
+                0,
+                1000
+              );
+            } else {
+              errorMessage += String(errorDetail).substring(0, 500);
+            }
+
+            console.error("詳細エラー:", errorMessage);
+            alert(errorMessage);
           }
         } catch (error) {
-          alert("インポートに失敗しました");
-          console.error(error);
+          console.error("例外発生:", error);
+          alert("インポートに失敗しました: " + error.message);
         }
 
         event.target.value = "";
       }
 
-      function formatNumber(num) {
-        if (num === null || num === undefined) return "-";
-        return Number(num).toLocaleString("ja-JP");
-      }
-
       // =====================================================
       // 初期化
       // =====================================================