diff --git a/ecs/jskult-webapp/src/controller/master_mainte.py b/ecs/jskult-webapp/src/controller/master_mainte.py
index f3fbd220..f4274604 100644
--- a/ecs/jskult-webapp/src/controller/master_mainte.py
+++ b/ecs/jskult-webapp/src/controller/master_mainte.py
@@ -136,18 +136,15 @@ async def inst_emp_csv_upload(
         raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=constants.LOGOUT_REASON_BACKUP_PROCESSING)
 
     # 画面表示用のモデル
-    csv_upload_form.csv_file.file.seek(0, 2)
-    if csv_upload_form.csv_file.file.tell() >= constants.MENTE_CSV_UPLOAD_MAX_FILE_SIZE_BYTE:
+    if csv_upload_form.csv_file.size >= constants.MENTE_CSV_UPLOAD_MAX_FILE_SIZE_BYTE:
         error_message_list = []
         error_message_list.append('選択されたCSVファイルサイズが大きいです。100MB未満にしてください。')
         mainte_csv_up = InstEmpCsvUploadViewModel(
             is_verified=True,
             error_message_list=error_message_list,
             select_function=csv_upload_form.select_function,
-            select_table=csv_upload_form.select_table
-        )
+            select_table=csv_upload_form.select_table)
     else:
-        csv_upload_form.csv_file.file.seek(0)
         mainte_csv_up = master_mainte_service.prepare_mainte_csv_up_view(
             TextIOWrapper(BytesIO(await csv_upload_form.csv_file.read()), encoding='utf-8'),
             csv_upload_form.csv_file.filename,
diff --git a/ecs/jskult-webapp/src/static/function/businessLogicScript.js b/ecs/jskult-webapp/src/static/function/businessLogicScript.js
index be1c4498..d3cd0d96 100644
--- a/ecs/jskult-webapp/src/static/function/businessLogicScript.js
+++ b/ecs/jskult-webapp/src/static/function/businessLogicScript.js
@@ -219,7 +219,7 @@ function checkNumberOnlyForm($this)
 // メニューへボタンの関数
 // 機能概要：マスターメンテメニュー画面に遷移する
 function backToMainteMenu(){
-    location.href = "/menu/";
+    location.href = "/masterMainte/masterMainteMenu/";
 }
 
 // 確認ダイアログ
diff --git a/ecs/jskult-webapp/src/templates/instEmpCsvDL.html b/ecs/jskult-webapp/src/templates/instEmpCsvDL.html
index fc105c2e..00ddd204 100644
--- a/ecs/jskult-webapp/src/templates/instEmpCsvDL.html
+++ b/ecs/jskult-webapp/src/templates/instEmpCsvDL.html
@@ -44,7 +44,7 @@
     <h1>
         <table class="headerTable">
             <tr>
-                <td class="headerTdLeft">施設担当者データCSVダウンロード</td>
+                <td class="headerTdLeft"><h1>施設担当者データCSVダウンロード</h1></td>
                 <td class="headerTdRight"><input type="button" name="back" class="header_buttonSize" value="メニューへ" onclick="backToMainteMenu()"></td>
             </tr>
         </table>
@@ -85,7 +85,7 @@
                     <!-- 適用期間内 -->
                     <td class="searchLabelTd">適用期間内：</td>
                     <td class="searchInputTd">
-                        <input class="searchDateTextbox 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" value="{{mainte_csv_dl.apply_date | safe}}" maxlength='10'
                             onchange="formBtDisabled()"
                             oninput="formBtDisabled()"
                         >
diff --git a/ecs/jskult-webapp/src/templates/instEmpCsvUL.html b/ecs/jskult-webapp/src/templates/instEmpCsvUL.html
index 50331e20..fe64b3cd 100644
--- a/ecs/jskult-webapp/src/templates/instEmpCsvUL.html
+++ b/ecs/jskult-webapp/src/templates/instEmpCsvUL.html
@@ -29,7 +29,7 @@
     <h1>
         <table class="headerTable">
             <tr>
-                <td class="headerTdLeft">施設担当者データCSVアップロード</td>
+                <td class="headerTdLeft"><h1>施設担当者データCSVアップロード</h1></td>
                 <td class="headerTdRight">
                     {% if mainte_csv_up.is_verified and mainte_csv_up.is_error_message_list_empty()  %}
                         <input type="button" class="header_buttonSize" onclick="location.href='/masterMainte/instEmpCsvUL' " value="戻る">
diff --git a/ecs/jskult-webapp/src/templates/tableOverride.html b/ecs/jskult-webapp/src/templates/tableOverride.html
index 08a62407..30fac4ea 100644
--- a/ecs/jskult-webapp/src/templates/tableOverride.html
+++ b/ecs/jskult-webapp/src/templates/tableOverride.html
@@ -24,7 +24,7 @@
     <h1>
         <table class="headerTable">
             <tr>
-                <td class="headerTdLeft">テーブル上書きコピー</td>
+                <td class="headerTdLeft"><h1>テーブル上書きコピー</h1></td>
                 <td class="headerTdRight"><input type="button" name="back" class="header_buttonSize" value="メニューへ" onclick="backToMainteMenu()"></td>
             </tr>
         </table>