diff --git a/resources/views/layouts/app.blade.php b/resources/views/layouts/app.blade.php
index adda020..a61d176 100644
--- a/resources/views/layouts/app.blade.php
+++ b/resources/views/layouts/app.blade.php
@@ -515,49 +515,57 @@
                                 </li>
                                 <!-- kin start -->
                                 <li class="nav-item">
-                                    <a href="{{ route('zones') }}" class="nav-link ml-3">
-                                         <i class="fa fa-circle-o nav-icon"></i>
-                                         <p>{{ __("ゾーンマスタ") }}</p>
+                                    <a href="{{ route('zones') }}" 
+                                        class="nav-link @if(app('router')->is('zones')) active @endif">
+                                        <i class="fa fa-circle-o nav-icon"></i>
+                                        <p>{{ __("ゾーンマスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('regular_types') }}" class="nav-link ml-3">
+                                    <a href="{{ route('regular_types') }}" 
+                                        class="nav-link @if(app('router')->is('regular_types')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("定期種別マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('stations') }}" class="nav-link ml-3">
+                                    <a href="{{ route('stations') }}" 
+                                        class="nav-link @if(app('router')->is('stations')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p class="mb-0">{{ __("近傍駅マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('terms') }}" class="nav-link ml-3">
+                                    <a href="{{ route('terms') }}" 
+                                        class="nav-link @if(app('router')->is('terms')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("利用契約マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('jurisdiction_parkings') }}" class="nav-link ml-3">
+                                    <a href="{{ route('jurisdiction_parkings') }}" 
+                                        class="nav-link @if(app('router')->is('jurisdiction_parkings')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("管轄駐輪場マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('print_areas') }}" class="nav-link ml-3">
+                                    <a href="{{ route('print_areas') }}" 
+                                        class="nav-link @if(app('router')->is('print_areas')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("シール印刷範囲マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('contract_allowable_cities') }}" class="nav-link ml-3">
+                                    <a href="{{ route('contract_allowable_cities') }}" 
+                                        class="nav-link @if(app('router')->is('contract_allowable_cities')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("契約許容市区マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('managers') }}" class="nav-link ml-3">
+                                    <a href="{{ route('managers') }}" 
+                                        class="nav-link @if(app('router')->is('managers')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("駐輪場管理者マスタ") }}</p>
                                     </a>
@@ -576,19 +584,22 @@
                             </a>
                             <ul class="nav nav-treeview">
                                 <li class="nav-item">
-                                    <a href="{{ route('tax') }}" class="nav-link ml-3">
+                                    <a href="{{ route('tax') }}" 
+                                        class="nav-link @if(app('router')->is('tax')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __('消費税マスタ') }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('payments') }}" class="nav-link ml-3">
+                                    <a href="{{ route('payments') }}" 
+                                        class="nav-link @if(app('router')->is('payments')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("決済情報マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('settlement_transactions') }}" class="nav-link ml-3">
+                                    <a href="{{ route('settlement_transactions') }}" 
+                                        class="nav-link @if(app('router')->is('settlement_transactions')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("決済トランザクション") }}</p>
                                     </a>
@@ -607,31 +618,36 @@
                             </a>
                             <ul class="nav nav-treeview">
                                 <li class="nav-item">
-                                    <a href="{{ route('opes') }}" class="nav-link ml-3">
+                                    <a href="{{ route('opes') }}" 
+                                        class="nav-link @if(app('router')->is('opes')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("オペレーターマスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('devices') }}" class="nav-link ml-3">
+                                    <a href="{{ route('devices') }}" 
+                                        class="nav-link @if(app('router')->is('devices')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("デバイス管理マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('operator_ques') }}" class="nav-link ml-3">
+                                    <a href="{{ route('operator_ques') }}" 
+                                        class="nav-link @if(app('router')->is('operator_ques')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("オペレーターキュー") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('settings') }}" class="nav-link ml-3">
+                                    <a href="{{ route('settings') }}" 
+                                        class="nav-link @if(app('router')->is('settings')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("設定マスタ") }}</p>
                                     </a>
                                 </li>
                                 <li class="nav-item">
-                                    <a href="{{ route('mail_templates') }}" class="nav-link ml-3">
+                                    <a href="{{ route('mail_templates') }}" 
+                                        class="nav-link @if(app('router')->is('mail_templates')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("メール送信テンプレート") }}</p>
                                     </a>
@@ -649,7 +665,8 @@
                             </a>
                             <ul class="nav nav-treeview">
                                 <li class="nav-item">
-                                    <a href="{{ route('inv_settings') }}" class="nav-link ml-3">
+                                    <a href="{{ route('inv_settings') }}" 
+                                        class="nav-link @if(app('router')->is('inv_settings')) active @endif">
                                         <i class="fa fa-circle-o nav-icon"></i>
                                         <p>{{ __("インボイス設定") }}</p>
                                     </a>