diff --git a/app/Http/Controllers/Admin/SealsController.php b/app/Http/Controllers/Admin/SealsController.php
index 43a770c..51fb689 100644
--- a/app/Http/Controllers/Admin/SealsController.php
+++ b/app/Http/Controllers/Admin/SealsController.php
@@ -10,14 +10,61 @@ class SealsController extends Controller
 {
     public function list(Request $request)
     {
-        // ソート用パラメータを取得（デフォルト値を設定）
-        $sort = $request->input('sort', 'seal_issueid');
-        $sort_type = $request->input('sort_type', 'desc');
+        // ソート用パラメータ取得（指定がなければnull）
+        $sort = $request->input('sort');
+        $sort_type = $request->input('sort_type', 'asc');
 
-        // sealテーブルを参照し、ソート
-        $list = DB::table('seal')
-            ->orderBy($sort, $sort_type)
-            ->paginate(20);
+        // sealテーブルを参照し、フィルター
+        $query = DB::table('seal');
+
+        // フィルター：発行日
+        $periodType = $request->input('period_type');
+        $recentPeriod = $request->input('recent_period');
+        $sealDayFrom = $request->input('seal_day_from');
+        $sealDayTo = $request->input('seal_day_to');
+
+        if ($periodType === 'range' && $sealDayFrom && $sealDayTo) {
+            $query->whereBetween('seal_day', [$sealDayFrom, $sealDayTo]);
+        } elseif ($periodType === 'recent' && $recentPeriod) {
+            $now = date('Y-m-d');
+            switch ($recentPeriod) {
+                case '12m':
+                    $from = date('Y-m-d', strtotime('-12 months', strtotime($now)));
+                    break;
+                case '6m':
+                    $from = date('Y-m-d', strtotime('-6 months', strtotime($now)));
+                    break;
+                case '3m':
+                    $from = date('Y-m-d', strtotime('-3 months', strtotime($now)));
+                    break;
+                case '2m':
+                    $from = date('Y-m-d', strtotime('-2 months', strtotime($now)));
+                    break;
+                case '1m':
+                    $from = date('Y-m-d', strtotime('-1 months', strtotime($now)));
+                    break;
+                case '1w':
+                    $from = date('Y-m-d', strtotime('-1 week', strtotime($now)));
+                    break;
+                default:
+                    $from = null;
+            }
+            if (isset($from)) {
+                $query->where('seal_day', '>=', $from);
+            }
+        } else {
+            // デフォルト：直近3ヶ月
+            $now = date('Y-m-d');
+            $from = date('Y-m-d', strtotime('-3 months', strtotime($now)));
+            $query->where('seal_day', '>=', $from);
+        }
+
+        // ソート指定があればorderBy、なければDB物理順
+        if ($sort) {
+            $list = $query->orderBy($sort, $sort_type)->paginate(20);
+        } else {
+            $list = $query->paginate(20);
+        }
 
         return view('admin.seals.list', [
             'list' => $list,
diff --git a/app/Http/Controllers/Admin/TagissueController.php b/app/Http/Controllers/Admin/TagissueController.php
index 63d2e9e..e8a5c28 100644
--- a/app/Http/Controllers/Admin/TagissueController.php
+++ b/app/Http/Controllers/Admin/TagissueController.php
@@ -22,10 +22,10 @@ class TagissueController extends Controller
             ->select('user_name', 'user_regident_zip', 'user_regident_pre')
             ->get();
 
-        // PDF生成（Laravel-dompdf使用例）
-        $pdfHtml = view('admin.tag_issue.pdf_labels', ['users' => $users])->render();
-        $pdf = \PDF::loadHTML($pdfHtml);
-        return $pdf->download('tag_labels.pdf');
+    // PDF生成（Laravel-dompdf使用例）
+    $pdfHtml = view('admin.tag_issue.pdf_labels', ['users' => $users])->render();
+    $pdf = Pdf::setOptions(['isRemoteEnabled' => true])->loadHTML($pdfHtml);
+    return $pdf->download('tag_labels.pdf');
     }
     public function list(Request $request)
     {
diff --git a/resources/views/admin/seals/list.blade.php b/resources/views/admin/seals/list.blade.php
index 61b55a5..b50b4c9 100644
--- a/resources/views/admin/seals/list.blade.php
+++ b/resources/views/admin/seals/list.blade.php
@@ -83,12 +83,47 @@
         <table class="table table-bordered table-hover table-sm">
             <thead class="thead-light">
                 <tr>
-                    <th>シール発行履歴ID</th>
-                    <th>シール発行駐輪場</th>
-                    <th>定期契約ID</th>
+                    <th>
+                        <a href="{{ route('seals', array_merge(request()->all(), ['sort' => 'seal_issueid', 'sort_type' => ($sort === 'seal_issueid' && $sort_type === 'asc') ? 'desc' : 'asc'])) }}">
+                            シール発行履歴ID
+                            @if($sort === 'seal_issueid')
+                                <i class="fa fa-sort-{{ $sort_type }}"></i>
+                            @endif
+                        </a>
+                    </th>
+                    <th>
+                        <a href="{{ route('seals', array_merge(request()->all(), ['sort' => 'park_id', 'sort_type' => ($sort === 'park_id' && $sort_type === 'asc') ? 'desc' : 'asc'])) }}">
+                            シール発行駐輪場
+                            @if($sort === 'park_id')
+                                <i class="fa fa-sort-{{ $sort_type }}"></i>
+                            @endif
+                        </a>
+                    </th>
+                    <th>
+                        <a href="{{ route('seals', array_merge(request()->all(), ['sort' => 'contract_id', 'sort_type' => ($sort === 'contract_id' && $sort_type === 'asc') ? 'desc' : 'asc'])) }}">
+                            定期契約ID
+                            @if($sort === 'contract_id')
+                                <i class="fa fa-sort-{{ $sort_type }}"></i>
+                            @endif
+                        </a>
+                    </th>
                     <th>車種区分ID</th>
-                    <th>発行日</th>
-                    <th>発行回数</th>
+                    <th>
+                        <a href="{{ route('seals', array_merge(request()->all(), ['sort' => 'seal_day', 'sort_type' => ($sort === 'seal_day' && $sort_type === 'asc') ? 'desc' : 'asc'])) }}">
+                            発行日
+                            @if($sort === 'seal_day')
+                                <i class="fa fa-sort-{{ $sort_type }}"></i>
+                            @endif
+                        </a>
+                    </th>
+                    <th>
+                        <a href="{{ route('seals', array_merge(request()->all(), ['sort' => 'contract_seal_issue', 'sort_type' => ($sort === 'contract_seal_issue' && $sort_type === 'asc') ? 'desc' : 'asc'])) }}">
+                            発行回数
+                            @if($sort === 'contract_seal_issue')
+                                <i class="fa fa-sort-{{ $sort_type }}"></i>
+                            @endif
+                        </a>
+                    </th>
                     <th>理由</th>
                 </tr>
             </thead>
diff --git a/resources/views/admin/tag_issue/list.blade.php b/resources/views/admin/tag_issue/list.blade.php
index 985cc4c..ba817b0 100644
--- a/resources/views/admin/tag_issue/list.blade.php
+++ b/resources/views/admin/tag_issue/list.blade.php
@@ -3,6 +3,16 @@
 
 @section('content')
     <div class="container-fluid">
+        @if(session('success'))
+            <div class="alert alert-success" style="margin-top:10px;">
+                {{ session('success') }}
+            </div>
+        @endif
+        @if(session('error'))
+            <div class="alert alert-danger" style="margin-top:10px;">
+                {{ session('error') }}
+            </div>
+        @endif
         <div class="d-flex justify-content-between align-items-center mb-2">
             <h3 class="m-0 text-dark">タグ発行キュー処理、履歴表示</h3>
             <nav aria-label="breadcrumb" class="mb-0" style="background: transparent;">