diff --git a/ecs/jskult-webapp/src/controller/master_mainte.py b/ecs/jskult-webapp/src/controller/master_mainte.py
index f4274604..93882d06 100644
--- a/ecs/jskult-webapp/src/controller/master_mainte.py
+++ b/ecs/jskult-webapp/src/controller/master_mainte.py
@@ -286,7 +286,7 @@ async def inst_emp_csv_download(
         ta_cd=csv_download_form.ta_cd,
         inst_cd=csv_download_form.inst_cd,
         emp_cd=csv_download_form.emp_cd,
-        apply_date=csv_download_form.apply_date,
+        apply_date_from=csv_download_form.apply_date_from,
         start_date_from=csv_download_form.start_date_from,
         start_date_to=csv_download_form.start_date_to,
         end_date_from=csv_download_form.end_date_from,
diff --git a/ecs/jskult-webapp/src/model/request/master_mainte_csvdl.py b/ecs/jskult-webapp/src/model/request/master_mainte_csvdl.py
index 293674e3..48b29db5 100644
--- a/ecs/jskult-webapp/src/model/request/master_mainte_csvdl.py
+++ b/ecs/jskult-webapp/src/model/request/master_mainte_csvdl.py
@@ -16,8 +16,8 @@ class MasterMainteCsvDlModel(RequestBaseModel):
     adapt_inst_cd: Optional[str]
     emp_cd: Optional[str]
     adapt_emp_cd: Optional[str]
-    apply_date: Optional[str]
-    adapt_apply_date: Optional[str]
+    apply_date_from: Optional[str]
+    adapt_apply_date_from: Optional[str]
     start_date_from: Optional[str]
     adapt_start_date_from: Optional[str]
     start_date_to: Optional[str]
@@ -42,7 +42,7 @@ class MasterMainteCsvDlModel(RequestBaseModel):
         ctrl_ta_cd: Optional[str] = Form(None),
         ctrl_inst_cd: Optional[str] = Form(None),
         ctrl_emp_cd: Optional[str] = Form(None),
-        ctrl_apply_date: Optional[str] = Form(None),
+        ctrl_apply_date_from: Optional[str] = Form(None),
         ctrl_start_date_from: Optional[str] = Form(None),
         ctrl_start_date_to: Optional[str] = Form(None),
         ctrl_end_date_from: Optional[str] = Form(None),
@@ -58,7 +58,7 @@ class MasterMainteCsvDlModel(RequestBaseModel):
             ctrl_ta_cd,
             ctrl_inst_cd,
             ctrl_emp_cd,
-            ctrl_apply_date,
+            ctrl_apply_date_from,
             ctrl_start_date_from,
             ctrl_start_date_to,
             ctrl_end_date_from,
@@ -75,7 +75,7 @@ class MasterMainteCsvDlModel(RequestBaseModel):
         ctrl_ta_cd: str,
         ctrl_inst_cd: str,
         ctrl_emp_cd: str,
-        ctrl_apply_date: str,
+        ctrl_apply_date_from: str,
         ctrl_start_date_from: str,
         ctrl_start_date_to: str,
         ctrl_end_date_from: str,
@@ -90,11 +90,11 @@ class MasterMainteCsvDlModel(RequestBaseModel):
         ctrl_inst_cd = ctrl_inst_cd if is_not_empty(ctrl_inst_cd) else ''
         ctrl_emp_cd = ctrl_emp_cd if is_not_empty(ctrl_emp_cd) else ''
 
-        adapt_apply_date = ''
-        if is_not_empty(ctrl_apply_date):
-            adapt_apply_date = ctrl_apply_date.replace('/', '')
+        adapt_apply_date_from = ''
+        if is_not_empty(ctrl_apply_date_from):
+            adapt_apply_date_from = ctrl_apply_date_from.replace('/', '')
         else:
-            ctrl_apply_date = ''
+            ctrl_apply_date_from = ''
 
         adapt_start_date_from = ''
         adapt_start_date_to = ''
@@ -147,8 +147,8 @@ class MasterMainteCsvDlModel(RequestBaseModel):
             adapt_inst_cd=ctrl_inst_cd,
             emp_cd=ctrl_emp_cd,
             adapt_emp_cd=ctrl_emp_cd,
-            apply_date=ctrl_apply_date,
-            adapt_apply_date=adapt_apply_date,
+            apply_date_from=ctrl_apply_date_from,
+            adapt_apply_date_from=adapt_apply_date_from,
             start_date_from=ctrl_start_date_from,
             adapt_start_date_from=adapt_start_date_from,
             start_date_to=ctrl_start_date_to,
diff --git a/ecs/jskult-webapp/src/model/view/inst_emp_csv_download_view_model.py b/ecs/jskult-webapp/src/model/view/inst_emp_csv_download_view_model.py
index f35aa7cb..a0bd7f3d 100644
--- a/ecs/jskult-webapp/src/model/view/inst_emp_csv_download_view_model.py
+++ b/ecs/jskult-webapp/src/model/view/inst_emp_csv_download_view_model.py
@@ -9,7 +9,7 @@ class InstEmpCsvDownloadViewModel(BaseModel):
     ta_cd: Optional[str] = ''
     inst_cd: Optional[str] = ''
     emp_cd: Optional[str] = ''
-    apply_date: Optional[str] = ''
+    apply_date_from: Optional[str] = ''
     start_date_from: Optional[str] = ''
     start_date_to: Optional[str] = ''
     end_date_from: Optional[str] = ''
diff --git a/ecs/jskult-webapp/src/repositories/emp_chg_inst_repository.py b/ecs/jskult-webapp/src/repositories/emp_chg_inst_repository.py
index ec6e5df3..fbcfc962 100644
--- a/ecs/jskult-webapp/src/repositories/emp_chg_inst_repository.py
+++ b/ecs/jskult-webapp/src/repositories/emp_chg_inst_repository.py
@@ -219,59 +219,59 @@ class EmpChgInstRepository(BaseRepository):
             where_clauses.append(SQLCondition('eci.emp_cd', condition.LIKE, 'adapt_emp_cd'))
 
         # 適用期間内が入力されていた場合
-        if is_not_empty(parameter.adapt_apply_date):
-            where_clauses.append(SQLCondition('eci.START_DATE',
+        if is_not_empty(parameter.adapt_apply_date_from):
+            where_clauses.append(SQLCondition('eci.start_date',
                                               condition.LE,
-                                              'adapt_apply_date'))
-            where_clauses.append(SQLCondition('eci.END_DATE',
+                                              'adapt_apply_date_from'))
+            where_clauses.append(SQLCondition('eci.end_date',
                                               condition.GE,
-                                              'adapt_apply_date'))
+                                              'adapt_apply_date_from'))
 
         # 適用開始日（FROM）が入力されていた場合
         if is_not_empty(parameter.adapt_start_date_from):
-            where_clauses.append(SQLCondition('eci.START_DATE',
+            where_clauses.append(SQLCondition('eci.start_date',
                                               condition.GE,
                                               'adapt_start_date_from'))
 
         # 適用開始日（TO）が入力されていた場合
         if is_not_empty(parameter.adapt_start_date_to):
-            where_clauses.append(SQLCondition('eci.START_DATE',
+            where_clauses.append(SQLCondition('eci.start_date',
                                               condition.LE,
                                               'adapt_start_date_to'))
 
         # 適用終了日（FROM）が入力されていた場合
         if is_not_empty(parameter.adapt_end_date_from):
-            where_clauses.append(SQLCondition('eci.END_DATE',
+            where_clauses.append(SQLCondition('eci.end_date',
                                               condition.GE,
                                               'adapt_end_date_from'))
 
         # 適用終了日（TO）が入力されていた場合
         if is_not_empty(parameter.adapt_end_date_to):
-            where_clauses.append(SQLCondition('eci.END_DATE',
+            where_clauses.append(SQLCondition('eci.end_date',
                                               condition.LE,
                                               'adapt_end_date_to'))
 
         # データ作成日（FROM）が入力されていた場合
         if is_not_empty(parameter.adapt_create_date_from):
-            where_clauses.append(SQLCondition('eci.CREATE_DATE',
+            where_clauses.append(SQLCondition('eci.create_date',
                                               condition.GE,
                                               'adapt_create_date_from'))
 
         # データ作成日（TO）が入力されていた場合
         if is_not_empty(parameter.adapt_create_date_to):
-            where_clauses.append(SQLCondition('eci.CREATE_DATE',
+            where_clauses.append(SQLCondition('eci.create_date',
                                               condition.LE,
                                               'adapt_create_date_to'))
 
         # データ作成日（FROM）が入力されていた場合
         if is_not_empty(parameter.adapt_update_date_from):
-            where_clauses.append(SQLCondition('eci.UPDATE_DATE',
+            where_clauses.append(SQLCondition('eci.update_date',
                                               condition.GE,
                                               'adapt_update_date_from'))
 
         # データ作成日（TO）が入力されていた場合
         if is_not_empty(parameter.adapt_update_date_to):
-            where_clauses.append(SQLCondition('eci.UPDATE_DATE',
+            where_clauses.append(SQLCondition('eci.update_date',
                                               condition.LE,
                                               'adapt_update_date_to'))
 
diff --git a/ecs/jskult-webapp/src/repositories/emp_master_repository.py b/ecs/jskult-webapp/src/repositories/emp_master_repository.py
index 6dfc08f5..8c278177 100644
--- a/ecs/jskult-webapp/src/repositories/emp_master_repository.py
+++ b/ecs/jskult-webapp/src/repositories/emp_master_repository.py
@@ -13,9 +13,9 @@ class EmpMasterRepository(BaseRepository):
         FROM
             src05.emp
         WHERE
-                emp.EMP_CD = :emp_cd
+                emp.emp_cd = :emp_cd
             AND str_to_date(emp.start_date, '%Y%m%d') <= str_to_date(:start_work_date, '%Y%m%d')
-            AND str_to_date(:start_work_date, '%Y%m%d') <= str_to_date(emp.END_DATE ,'%Y%m%d')
+            AND str_to_date(:start_work_date, '%Y%m%d') <= str_to_date(emp.end_date ,'%Y%m%d')
     """
 
     def fetch_count(self, emp_cd, start_work_date) -> MasterMenteCountModel:
diff --git a/ecs/jskult-webapp/src/templates/instEmpCsvDL.html b/ecs/jskult-webapp/src/templates/instEmpCsvDL.html
index 00ddd204..d8ac4d5b 100644
--- a/ecs/jskult-webapp/src/templates/instEmpCsvDL.html
+++ b/ecs/jskult-webapp/src/templates/instEmpCsvDL.html
@@ -85,7 +85,7 @@
                     <!-- 適用期間内 -->
                     <td class="searchLabelTd">適用期間内：</td>
                     <td class="searchInputTd">
-                        <input class="searchTextbox date_picker" type="text" name="ctrl_apply_date" value="{{mainte_csv_dl.apply_date | safe}}" maxlength='10'
+                        <input class="searchTextbox date_picker" type="text" name="ctrl_apply_date_from" value="{{mainte_csv_dl.apply_date_from | safe}}" maxlength='10'
                             onchange="formBtDisabled()"
                             oninput="formBtDisabled()"
                         >