diff --git a/backend/.env.example b/backend/.env.example
index e0150aa9..01066b0d 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -2,6 +2,7 @@ APP_NAME=KIKI
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=true
+SITE_URL=http://127.0.0.2
 APP_URL=http://127.0.0.1
 
 LOG_CHANNEL=stack
diff --git a/backend/.env.release b/backend/.env.release
index 75997a32..a73a171d 100644
--- a/backend/.env.release
+++ b/backend/.env.release
@@ -2,7 +2,8 @@ APP_NAME=KIKI
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=false
-APP_URL=https://kikikan.jp
+SITE_URL=https://kikikan.jp
+APP_URL=https://kikikan.xyz
 
 LOG_CHANNEL=stack
 LOG_LEVEL=debug
diff --git a/backend/config/app.php b/backend/config/app.php
index 6d06893e..bf94a445 100644
--- a/backend/config/app.php
+++ b/backend/config/app.php
@@ -52,7 +52,8 @@ return [
     |
     */
 
-    'url' => env('APP_URL', 'http://127.0.0.1'),
+    'url' => env('APP_URL', 'https://kikikan.xyz'),
+    'site_url' => env('SITE_URL', 'https://kikikan.jp'),
 
     'asset_url' => env('ASSET_URL', null),
 
diff --git a/backend/resources/views/emails/fathers/registration/temporary.blade.php b/backend/resources/views/emails/fathers/registration/temporary.blade.php
index fda656d2..4d51bb14 100644
--- a/backend/resources/views/emails/fathers/registration/temporary.blade.php
+++ b/backend/resources/views/emails/fathers/registration/temporary.blade.php
@@ -15,6 +15,6 @@ URLの有効期限を過ぎると、再登録が必要になりますので、
 
 KIKI運営事務局
 56@zotman.jp
-{{ url('/') }}/
+{{ config('app.site_url') }}
 
 ■□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□■
diff --git a/backend/resources/views/p_account/index.blade.php b/backend/resources/views/p_account/index.blade.php
index 8178784c..aa75ca04 100644
--- a/backend/resources/views/p_account/index.blade.php
+++ b/backend/resources/views/p_account/index.blade.php
@@ -7,6 +7,7 @@
             break;
         }
     }
+    $sitelink = config('app.site_url');
     $invitelink = url('/c-account/register-temporary?father_id='.request()->session()->get('fathers')['id']);
 @endphp
 @section('content')
@@ -15,6 +16,7 @@
 <input type="hidden" id="father_id" value="{{ request()->session()->get('fathers')['id'] }}" />
 <input type="hidden" id="father_image" value="{{ request()->session()->get('fathers')['image'] }}" />
 <input type="hidden" id="dd" value="{{ date('y/m/d') }}">
+<input type="hidden" id="siteurl" value="{{ $sitelink }}">
 <input type="hidden" id="inviteurl" value="{{ $invitelink }}">
 <input type="hidden" id="inviteurl_html" value="{{ urlencode($invitelink) }}">
 @endsection
diff --git a/backend/resources/views/sms/children/password.blade.php b/backend/resources/views/sms/children/password.blade.php
index c886ec2d..2a1fff0a 100644
--- a/backend/resources/views/sms/children/password.blade.php
+++ b/backend/resources/views/sms/children/password.blade.php
@@ -4,4 +4,4 @@ KIKIをご利用頂きありがとうございます。
 
 有効期限は8時間以内です。
 
-{{ url('/').'/c-account/forgot-password/reset/'.$token }}
\ No newline at end of file
+{{ url('/c-account/forgot-password/reset/'.$token) }}
\ No newline at end of file
diff --git a/backend/resources/views/sms/children/register/main.blade.php b/backend/resources/views/sms/children/register/main.blade.php
index 469e026c..d699a2c5 100644
--- a/backend/resources/views/sms/children/register/main.blade.php
+++ b/backend/resources/views/sms/children/register/main.blade.php
@@ -2,7 +2,7 @@ KIKI招致システムの本登録が完了しました。
 
 ▼ログイン情報
 ログインURL
-{{ url('/').'/c-account/login' }}
+{{ url('/c-account/login') }}
 
 ID
 {{ $tel }}
diff --git a/backend/resources/views/sms/children/register/temporary.blade.php b/backend/resources/views/sms/children/register/temporary.blade.php
index 6ae1854e..c3b85597 100644
--- a/backend/resources/views/sms/children/register/temporary.blade.php
+++ b/backend/resources/views/sms/children/register/temporary.blade.php
@@ -1,6 +1,6 @@
 KIKIより本登録URLが届きました。
 
 ▼本登録URLはこちら
-{{ url('/').'/c-account/register/'.$token }}
+{{ url('/c-account/register/'.$token) }}
 
 KIKI承知システムを使って「聞いてない！」「言ってない！」などの問題を解決しよう。
diff --git a/backend/resources/views/sms/fathers/approval.blade.php b/backend/resources/views/sms/fathers/approval.blade.php
index d26f4eca..60269885 100644
--- a/backend/resources/views/sms/fathers/approval.blade.php
+++ b/backend/resources/views/sms/fathers/approval.blade.php
@@ -1,3 +1,3 @@
 未承知のミーティングがあります。
 以下より確認してください。
-{{ url('/').'/c-account/meeting/detail/'.$meeting_id }}
\ No newline at end of file
+{{ url('/c-account/meeting/detail/'.$meeting_id) }}
\ No newline at end of file
diff --git a/backend/resources/views/vendor/mail/html/header.blade.php b/backend/resources/views/vendor/mail/html/header.blade.php
index e8614832..1d80ac05 100755
--- a/backend/resources/views/vendor/mail/html/header.blade.php
+++ b/backend/resources/views/vendor/mail/html/header.blade.php
@@ -1,7 +1,7 @@
 <tr>
 <td class="header">
 <a href="{{ url('/') }}" style="display: inline-block;">
-<img src="{{ url('/') }}/assets/img/common/logo.png" class="logo" alt="KIKI">
+<img src="{{ url('/assets/img/common/logo.png') }}" class="logo" alt="KIKI">
 </a>
 </td>
 </tr>