diff --git a/resources/views/layouts/app.blade.php b/resources/views/layouts/app.blade.php
index b89a8a4..0e3a922 100644
--- a/resources/views/layouts/app.blade.php
+++ b/resources/views/layouts/app.blade.php
@@ -624,24 +624,22 @@
                         </li>
 
                         <li class="nav-item has-treeview">
-                            <a href="#" class="nav-item has-treeview">
+                            <a href="#" class="nav-link">
                                 <i class="nav-icon fa fa-object-group"></i>
                                 <p>
-                                    {{__("マスタ管理")}}
+                                    {{ __("マスタ管理") }}
                                     <i class="right fa fa-angle-down"></i>
                                 </p>
                             </a>
                             <ul class="nav nav-treeview">
                                 <li class="nav-item">
-                                    <form method="post" action="{{ route('inv_settings') }}">
-                                        @csrf
-                                        <a href="{{ route('inv_settings') }}" class="nav-link ml-3">
-                                            <p>{{ __("インボイス設定") }}</p>
-                                        </a>
-                                    </form>
+                                    <a href="{{ route('inv_settings') }}" class="nav-link ml-3">
+                                        <p>{{ __("インボイス設定") }}</p>
+                                    </a>
                                 </li>
                             </ul>
                         </li>
+
                         <!-- kin end -->
 
                         <!-- チェーンロックマスタ -->