diff --git a/backend/public/assets/img/common/android/Icon-hdpi.png b/backend/public/assets/img/common/android/Icon-hdpi.png
new file mode 100644
index 00000000..37fbdd47
Binary files /dev/null and b/backend/public/assets/img/common/android/Icon-hdpi.png differ
diff --git a/backend/public/assets/img/common/android/Icon-ldpi.png b/backend/public/assets/img/common/android/Icon-ldpi.png
new file mode 100644
index 00000000..4ae3cc5a
Binary files /dev/null and b/backend/public/assets/img/common/android/Icon-ldpi.png differ
diff --git a/backend/public/assets/img/common/android/Icon-mdpi.png b/backend/public/assets/img/common/android/Icon-mdpi.png
new file mode 100644
index 00000000..b8179946
Binary files /dev/null and b/backend/public/assets/img/common/android/Icon-mdpi.png differ
diff --git a/backend/public/assets/img/common/android/Icon-xhdpi.png b/backend/public/assets/img/common/android/Icon-xhdpi.png
new file mode 100644
index 00000000..b50ba763
Binary files /dev/null and b/backend/public/assets/img/common/android/Icon-xhdpi.png differ
diff --git a/backend/public/assets/img/common/android/Icon-xxhdpi.png b/backend/public/assets/img/common/android/Icon-xxhdpi.png
new file mode 100644
index 00000000..2bf5d41c
Binary files /dev/null and b/backend/public/assets/img/common/android/Icon-xxhdpi.png differ
diff --git a/backend/public/assets/img/common/android/Icon-xxxhdpi.png b/backend/public/assets/img/common/android/Icon-xxxhdpi.png
new file mode 100644
index 00000000..34149ce5
Binary files /dev/null and b/backend/public/assets/img/common/android/Icon-xxxhdpi.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-100.png b/backend/public/assets/img/common/apple/Icon-100.png
new file mode 100644
index 00000000..f6a5d575
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-100.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-1024.png b/backend/public/assets/img/common/apple/Icon-1024.png
new file mode 100644
index 00000000..e6487521
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-1024.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-114.png b/backend/public/assets/img/common/apple/Icon-114.png
new file mode 100644
index 00000000..79de900f
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-114.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-120.png b/backend/public/assets/img/common/apple/Icon-120.png
new file mode 100644
index 00000000..5c76e801
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-120.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-144.png b/backend/public/assets/img/common/apple/Icon-144.png
new file mode 100644
index 00000000..96157f0c
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-144.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-152.png b/backend/public/assets/img/common/apple/Icon-152.png
new file mode 100644
index 00000000..5687deb8
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-152.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-167.png b/backend/public/assets/img/common/apple/Icon-167.png
new file mode 100644
index 00000000..bfa639d9
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-167.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-180.png b/backend/public/assets/img/common/apple/Icon-180.png
new file mode 100644
index 00000000..f43135b6
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-180.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-29.png b/backend/public/assets/img/common/apple/Icon-29.png
new file mode 100644
index 00000000..4f36b161
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-29.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-40.png b/backend/public/assets/img/common/apple/Icon-40.png
new file mode 100644
index 00000000..baffb40e
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-40.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-50.png b/backend/public/assets/img/common/apple/Icon-50.png
new file mode 100644
index 00000000..791c441d
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-50.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-57.png b/backend/public/assets/img/common/apple/Icon-57.png
new file mode 100644
index 00000000..71793c2d
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-57.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-58.png b/backend/public/assets/img/common/apple/Icon-58.png
new file mode 100644
index 00000000..e2b15f45
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-58.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-60.png b/backend/public/assets/img/common/apple/Icon-60.png
new file mode 100644
index 00000000..b5309a54
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-60.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-72.png b/backend/public/assets/img/common/apple/Icon-72.png
new file mode 100644
index 00000000..595330b8
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-72.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-76.png b/backend/public/assets/img/common/apple/Icon-76.png
new file mode 100644
index 00000000..e8bb5d8b
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-76.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-80.png b/backend/public/assets/img/common/apple/Icon-80.png
new file mode 100644
index 00000000..5644f390
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-80.png differ
diff --git a/backend/public/assets/img/common/apple/Icon-87.png b/backend/public/assets/img/common/apple/Icon-87.png
new file mode 100644
index 00000000..e6a9f312
Binary files /dev/null and b/backend/public/assets/img/common/apple/Icon-87.png differ
diff --git a/backend/public/assets/img/common/favicon.ico b/backend/public/assets/img/common/favicon.ico
new file mode 100644
index 00000000..351a66e3
Binary files /dev/null and b/backend/public/assets/img/common/favicon.ico differ
diff --git a/backend/resources/views/admin/index.blade.php b/backend/resources/views/admin/index.blade.php
index 56c6e5cb..0d515baf 100644
--- a/backend/resources/views/admin/index.blade.php
+++ b/backend/resources/views/admin/index.blade.php
@@ -1,4 +1,4 @@
-@extends('admin.layout')
+@extends('common.layout')
 
 @section('title', 'KIKI｜管理者')
 
diff --git a/backend/resources/views/admin/layout.blade.php b/backend/resources/views/admin/layout.blade.php
deleted file mode 100644
index cae7ed7e..00000000
--- a/backend/resources/views/admin/layout.blade.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<!doctype html>
-<html lang="ja">
-    <head>
-        <meta charset="utf-8">
-        <meta name="viewport" content="width=device-width, initial-scale=1">
-        <meta name="csrf-token" content="{{ csrf_token() }}">
-        <title>@yield('title')</title>
-        <link rel="dns-prefetch" href="//fonts.gstatic.com">
-        <link href="https://use.fontawesome.com/releases/v5.6.1/css/all.css" rel = "stylesheet">
-        <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
-        <link href="https://fonts.googleapis.com/css?family=Nunito" rel="stylesheet">
-        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
-        <link rel="shortcut icon" href="{{asset('assets/img/common/icon.png')}}">
-        <link href="{{ asset('css/app.css') }}" rel="stylesheet">
-    </head>
-    
-    <body>
-        @yield('content')
-    </body>
-
-    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
-    <script src="{{ asset('js/app.js') }}"></script>
-    @stack('js')
-</html>
diff --git a/backend/resources/views/admin/login.blade.php b/backend/resources/views/admin/login.blade.php
index e2ab75e2..3cf83243 100644
--- a/backend/resources/views/admin/login.blade.php
+++ b/backend/resources/views/admin/login.blade.php
@@ -1,4 +1,4 @@
-@extends('admin.layout')
+@extends('common.layout')
 
 @section('title', 'KIKI｜管理者')
 
diff --git a/backend/resources/views/c_account/auth.blade.php b/backend/resources/views/c_account/auth.blade.php
index d71c225b..da88c1a3 100644
--- a/backend/resources/views/c_account/auth.blade.php
+++ b/backend/resources/views/c_account/auth.blade.php
@@ -1,4 +1,4 @@
-@extends('c_account.layout')
+@extends('common.layout')
 
 @section('title', 'KIKI｜子')
 
diff --git a/backend/resources/views/c_account/index.blade.php b/backend/resources/views/c_account/index.blade.php
index f3becdbd..aec6e46d 100644
--- a/backend/resources/views/c_account/index.blade.php
+++ b/backend/resources/views/c_account/index.blade.php
@@ -1,4 +1,4 @@
-@extends('c_account.layout')
+@extends('common.layout')
 
 @section('title', 'KIKI｜子')
 
diff --git a/backend/resources/views/c_account/layout.blade.php b/backend/resources/views/c_account/layout.blade.php
deleted file mode 100644
index cae7ed7e..00000000
--- a/backend/resources/views/c_account/layout.blade.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<!doctype html>
-<html lang="ja">
-    <head>
-        <meta charset="utf-8">
-        <meta name="viewport" content="width=device-width, initial-scale=1">
-        <meta name="csrf-token" content="{{ csrf_token() }}">
-        <title>@yield('title')</title>
-        <link rel="dns-prefetch" href="//fonts.gstatic.com">
-        <link href="https://use.fontawesome.com/releases/v5.6.1/css/all.css" rel = "stylesheet">
-        <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
-        <link href="https://fonts.googleapis.com/css?family=Nunito" rel="stylesheet">
-        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
-        <link rel="shortcut icon" href="{{asset('assets/img/common/icon.png')}}">
-        <link href="{{ asset('css/app.css') }}" rel="stylesheet">
-    </head>
-    
-    <body>
-        @yield('content')
-    </body>
-
-    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
-    <script src="{{ asset('js/app.js') }}"></script>
-    @stack('js')
-</html>
diff --git a/backend/resources/views/common/layout.blade.php b/backend/resources/views/common/layout.blade.php
new file mode 100644
index 00000000..092ad729
--- /dev/null
+++ b/backend/resources/views/common/layout.blade.php
@@ -0,0 +1,54 @@
+<!doctype html>
+<html lang="ja">
+    <head>
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <meta name="csrf-token" content="{{ csrf_token() }}">
+        <title>@yield('title')</title>
+        <link rel="dns-prefetch" href="//fonts.gstatic.com">
+        <link href="https://use.fontawesome.com/releases/v5.6.1/css/all.css" rel = "stylesheet">
+        <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
+        <link href="https://fonts.googleapis.com/css?family=Nunito" rel="stylesheet">
+        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
+        <link rel="shortcut icon" href="{{ asset('assets/img/common/icon.png') }}">
+
+        <!-- iOS -->
+        <link rel="apple-touch-icon" href="{{ asset('assets/img/common/apple/Icon-100.png') }}">
+        <link rel="apple-touch-icon" sizes="29x29" href="{{ asset('assets/img/common/apple/Icon-29.png') }}">
+        <link rel="apple-touch-icon" sizes="40x40" href="{{ asset('assets/img/common/apple/Icon-40.png') }}">
+        <link rel="apple-touch-icon" sizes="50x50" href="{{ asset('assets/img/common/apple/Icon-50.png') }}">
+        <link rel="apple-touch-icon" sizes="57x57" href="{{ asset('assets/img/common/apple/Icon-57.png') }}">
+        <link rel="apple-touch-icon" sizes="58x58" href="{{ asset('assets/img/common/apple/Icon-58.png') }}">
+        <link rel="apple-touch-icon" sizes="60x60" href="{{ asset('assets/img/common/apple/Icon-60.png') }}">
+        <link rel="apple-touch-icon" sizes="72x72" href="{{ asset('assets/img/common/apple/Icon-72.png') }}">
+        <link rel="apple-touch-icon" sizes="76x76" href="{{ asset('assets/img/common/apple/Icon-76.png') }}">
+        <link rel="apple-touch-icon" sizes="80x80" href="{{ asset('assets/img/common/apple/Icon-80.png') }}">
+        <link rel="apple-touch-icon" sizes="87x87" href="{{ asset('assets/img/common/apple/Icon-87.png') }}">
+        <link rel="apple-touch-icon" sizes="100x100" href="{{ asset('assets/img/common/apple/Icon-100.png') }}">
+        <link rel="apple-touch-icon" sizes="114x114" href="{{ asset('assets/img/common/apple/Icon-114.png') }}">
+        <link rel="apple-touch-icon" sizes="120x120" href="{{ asset('assets/img/common/apple/Icon-120.png') }}">
+        <link rel="apple-touch-icon" sizes="144x144" href="{{ asset('assets/img/common/apple/Icon-144.png') }}">
+        <link rel="apple-touch-icon" sizes="152x152" href="{{ asset('assets/img/common/apple/Icon-152.png') }}">
+        <link rel="apple-touch-icon" sizes="167x167" href="{{ asset('assets/img/common/apple/Icon-167.png') }}">
+        <link rel="apple-touch-icon" sizes="180x180" href="{{ asset('assets/img/common/apple/Icon-180.png') }}">
+        <link rel="apple-touch-icon" sizes="1024x1024" href="{{ asset('assets/img/common/apple/Icon-1024.png') }}">
+
+        <!-- Android -->
+        <link rel="icon" type="image/png" sizes="192x192"  href="{{ asset('assets/img/common/android/Icon-xxxhdpi.png') }}">
+        <link rel="icon" type="image/png" sizes="144x144" href="{{ asset('assets/img/common/android/Icon-xxhdpi.png') }}">
+        <link rel="icon" type="image/png" sizes="96x96" href="{{ asset('assets/img/common/android/Icon-xhdpi.png') }}">
+        <link rel="icon" type="image/png" sizes="72x72" href="{{ asset('assets/img/common/android/Icon-hdpi.png') }}">
+        <link rel="icon" type="image/png" sizes="48x48" href="{{ asset('assets/img/common/android/Icon-mdpi.png') }}">
+        <link rel="icon" type="image/png" sizes="36x36" href="{{ asset('assets/img/common/android/Icon-ldpi.png') }}">
+
+        <link href="{{ asset('css/app.css') }}" rel="stylesheet">
+    </head>
+    
+    <body>
+        @yield('content')
+    </body>
+
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
+    <script src="{{ asset('js/app.js') }}"></script>
+    @stack('js')
+</html>
diff --git a/backend/resources/views/p_account/auth.blade.php b/backend/resources/views/p_account/auth.blade.php
index 1325b763..d8e218a4 100644
--- a/backend/resources/views/p_account/auth.blade.php
+++ b/backend/resources/views/p_account/auth.blade.php
@@ -1,4 +1,4 @@
-@extends('c_account.layout')
+@extends('common.layout')
 
 @section('title', 'KIKI｜親')
 
diff --git a/backend/resources/views/p_account/index.blade.php b/backend/resources/views/p_account/index.blade.php
index 309b9721..f7509faf 100644
--- a/backend/resources/views/p_account/index.blade.php
+++ b/backend/resources/views/p_account/index.blade.php
@@ -1,4 +1,4 @@
-@extends('p_account.layout')
+@extends('common.layout')
 @section('title', 'KIKI | 親')
 @php 
     $routers = ['child', 'favorite', 'search', 'profile', 'meeting'];
diff --git a/backend/resources/views/p_account/layout.blade.php b/backend/resources/views/p_account/layout.blade.php
deleted file mode 100644
index cae7ed7e..00000000
--- a/backend/resources/views/p_account/layout.blade.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<!doctype html>
-<html lang="ja">
-    <head>
-        <meta charset="utf-8">
-        <meta name="viewport" content="width=device-width, initial-scale=1">
-        <meta name="csrf-token" content="{{ csrf_token() }}">
-        <title>@yield('title')</title>
-        <link rel="dns-prefetch" href="//fonts.gstatic.com">
-        <link href="https://use.fontawesome.com/releases/v5.6.1/css/all.css" rel = "stylesheet">
-        <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
-        <link href="https://fonts.googleapis.com/css?family=Nunito" rel="stylesheet">
-        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
-        <link rel="shortcut icon" href="{{asset('assets/img/common/icon.png')}}">
-        <link href="{{ asset('css/app.css') }}" rel="stylesheet">
-    </head>
-    
-    <body>
-        @yield('content')
-    </body>
-
-    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
-    <script src="{{ asset('js/app.js') }}"></script>
-    @stack('js')
-</html>