diff --git a/resources/views/admin/parks/edit.blade.php b/resources/views/admin/parks/edit.blade.php
index 33efd9a..b84367d 100644
--- a/resources/views/admin/parks/edit.blade.php
+++ b/resources/views/admin/parks/edit.blade.php
@@ -31,7 +31,7 @@
                 {{-- ▼ ボタンエリア（上部） --}}
                 <div class="mt-2">
                     <button type="button" class="btn btn-default mt-2 btn-submit">登録</button>
-                    <a href="{{ route('reduction_confirm.index', ['park_id' => $park->park_id]) }}" class="btn btn-default mt-2">
+                    <a href="{{ route('reduction_confirm.list', ['park_id' => $park->park_id]) }}" class="btn btn-default mt-2">
                         減免確認編集
                     </a>
                     <a href="javascript:void(0)" class="btn btn-default mt-2">駐輪状況編集</a>
diff --git a/resources/views/admin/reduction_confirm/_form.blade.php b/resources/views/admin/reduction_confirm/_form.blade.php
index c23dd7a..c5b807b 100644
--- a/resources/views/admin/reduction_confirm/_form.blade.php
+++ b/resources/views/admin/reduction_confirm/_form.blade.php
@@ -3,10 +3,12 @@
     // reduction_confirm テーブルから取得したレコード
     $userCategoryId = $row->user_categoryid;
     $checkType = $row->reduction_confirm_type;
-    $oldCheckType = old("reduction_confirm_type.$userCategoryId", $checkType);
+    // use numeric index passed from parent to avoid name collisions when duplicate user_categoryid exist
+    $idx = $index ?? ($userCategoryId);
+    $oldCheckType = old("reduction_confirm_type.$idx", $checkType);
     
     // 学生分類かどうかを判定
-    $isStudent = $row->usertype_subject1 === '学生';
+    $isStudent = ($row->usertype_subject1 ?? '') === '学生';
     $rowClass = $isStudent ? 'table-secondary' : '';
     $isDisabled = $isStudent;
 @endphp
@@ -17,45 +19,47 @@
     <td>{{ $row->usertype_subject2 ?? '-' }}</td>
     <td>{{ $row->usertype_subject3 ?? '-' }}</td>
     <td>
+        {{-- hidden mapping to know which user_categoryid this input row targets --}}
+        <input type="hidden" name="row_user_categoryid[{{ $idx }}]" value="{{ $userCategoryId }}">
         <div class="d-flex justify-content-center gap-3">
             {{-- 確認しない（0） --}}
             <div class="custom-control custom-radio">
-                <input type="radio" 
-                       id="check_type_{{ $userCategoryId }}_0"
-                       name="reduction_confirm_type[{{ $userCategoryId }}]" 
+                  <input type="radio" 
+                      id="check_type_{{ $idx }}_0"
+                      name="reduction_confirm_type[{{ $idx }}]" 
                        value="0" 
                        class="custom-control-input"
                        @checked($oldCheckType == 0)
                        @disabled($isDisabled)>
-                <label class="custom-control-label" for="check_type_{{ $userCategoryId }}_0">
+                  <label class="custom-control-label" for="check_type_{{ $idx }}_0">
                     確認しない
                 </label>
             </div>
 
             {{-- 年1回（1） --}}
             <div class="custom-control custom-radio">
-                <input type="radio" 
-                       id="check_type_{{ $userCategoryId }}_1"
-                       name="reduction_confirm_type[{{ $userCategoryId }}]" 
+                  <input type="radio" 
+                      id="check_type_{{ $idx }}_1"
+                      name="reduction_confirm_type[{{ $idx }}]" 
                        value="1" 
                        class="custom-control-input"
                        @checked($oldCheckType == 1)
                        @disabled($isDisabled)>
-                <label class="custom-control-label" for="check_type_{{ $userCategoryId }}_1">
+                  <label class="custom-control-label" for="check_type_{{ $idx }}_1">
                     年1回
                 </label>
             </div>
 
             {{-- 毎更新時（2） --}}
             <div class="custom-control custom-radio">
-                <input type="radio" 
-                       id="check_type_{{ $userCategoryId }}_2"
-                       name="reduction_confirm_type[{{ $userCategoryId }}]" 
+                  <input type="radio" 
+                      id="check_type_{{ $idx }}_2"
+                      name="reduction_confirm_type[{{ $idx }}]" 
                        value="2" 
                        class="custom-control-input"
                        @checked($oldCheckType == 2)
                        @disabled($isDisabled)>
-                <label class="custom-control-label" for="check_type_{{ $userCategoryId }}_2">
+                  <label class="custom-control-label" for="check_type_{{ $idx }}_2">
                     毎更新時
                 </label>
             </div>
diff --git a/resources/views/admin/reduction_confirm/index.blade.php b/resources/views/admin/reduction_confirm/list.blade.php
similarity index 63%
rename from resources/views/admin/reduction_confirm/index.blade.php
rename to resources/views/admin/reduction_confirm/list.blade.php
index 7e03548..d13dc0c 100644
--- a/resources/views/admin/reduction_confirm/index.blade.php
+++ b/resources/views/admin/reduction_confirm/list.blade.php
@@ -69,56 +69,54 @@
             </div>
 
 
-{{-- 
-            <div class="text-right mb-2">
-                全 {{ $list->total() }} 件中 {{ $list->firstItem() }}〜{{ $list->lastItem() }} 件を表示
-            </div>
-                <div class="ml-auto">
-                    {{ $list->appends(keepUserListQuery())->links('pagination') }}
-                </div>
---}}
-
         </div>
         <!-- 減免確認マスタ テーブル -->
-
         <div class="col-lg-12 px-0 ">
             <form action="{{ route('reduction_confirm.store') }}" method="POST" id="reduction-form">
-                            {{-- 登録ボタン --}}
-            <div class="container-fluid mb20">
-                <button type="submit" class="btn btn-primary mt-2 btn-submit">登録</button>
-            </div>
+                <div class="d-flex justify-content-between align-items-center mb-2">
+                    {{-- 左側：登録ボタン --}}
+                    <button type="submit" class="btn btn-primary btn-submit">登録</button>
 
-                @csrf
-                <input type="hidden" name="park_id" value="{{ $parkId }}">
-                
-
-                <div class="table-responsive">
-                    <table class="table table-bordered">
-                        <thead class="thead-light">
-                            <tr>
-                                <th style="width: 5%; text-align: center;">利用者分類</th>
-                                <th style="width: 10%;">分類名1</th>
-                                <th style="width: 10%;">分類名2</th>
-                                <th style="width: 10%;">分類名3</th>
-                                <th style="width: 20%; text-align: center;">減免確認種別</th>
-                            </tr>
-                        </thead>
-                        <tbody>
-                            @forelse ($reductionData as $row)
-                                @include('admin.reduction_confirm._form', ['row' => $row])
-                            @empty
-                                <tr>
-                                    <td colspan="5" class="text-center text-muted">
-                                        利用者分類がありません。
-                                    </td>
-                                </tr>
-                            @endforelse
-                        </tbody>
-                    </table>
+                    {{-- 右側：件数 + ページネーション --}}
+                    <div class="text-right">
+                        <div>
+                            全 {{ $reductionData->total() }} 件中
+                            {{ $reductionData->firstItem() }}〜{{ $reductionData->lastItem() }} 件を表示
+                        </div>
+                        <div>
+                            {{ $reductionData->appends(keepUserListQuery())->links('pagination') }}
+                        </div>
+                    </div>
                 </div>
-            </form>
         </div>
-
+        @csrf
+        <input type="hidden" name="park_id" value="{{ $parkId }}">
+        <div class="table-responsive">
+            <table class="table table-bordered">
+                <thead class="thead-light">
+                    <tr>
+                        <th style="width: 5%; text-align: center;">利用者分類</th>
+                        <th style="width: 10%;">分類名1</th>
+                        <th style="width: 10%;">分類名2</th>
+                        <th style="width: 10%;">分類名3</th>
+                        <th style="width: 20%; text-align: center;">減免確認種別</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    @forelse ($reductionData as $row)
+                        @include('admin.reduction_confirm._form', ['row' => $row, 'index' => $loop->index])
+                    @empty
+                        <tr>
+                            <td colspan="5" class="text-center text-muted">
+                                利用者分類がありません。
+                            </td>
+                        </tr>
+                    @endforelse
+                </tbody>
+            </table>
+        </div>
+        </form>
+        </div>
     </section>
 
     <style>
@@ -145,8 +143,9 @@
             width: fit-content;
             min-width: 320px;
         }
-.sample03-wrapper {
-    background-color: white;
-}
+
+        .sample03-wrapper {
+            background-color: white;
+        }
     </style>
 @endsection