diff --git a/app/Email/BaseEmailer.php b/app/Email/BaseEmailer.php
index ed22a2f..0f0e315 100644
--- a/app/Email/BaseEmailer.php
+++ b/app/Email/BaseEmailer.php
@@ -18,7 +18,7 @@ abstract class BaseEmailer extends Mailable
 {
     use Queueable, SerializesModels;
 
-    protected $configRoot = 'mail.mailers.smtp_ht.';
+    protected $configRoot = 'mail.mailers.smtp.';
 
     protected $casts = [];
 
diff --git a/app/Email/Guests/ReceiptA4.php b/app/Email/Guests/ReceiptA4.php
index 15aa593..5690408 100644
--- a/app/Email/Guests/ReceiptA4.php
+++ b/app/Email/Guests/ReceiptA4.php
@@ -19,7 +19,7 @@ class ReceiptA4 extends Guest
 
     public function getTemplateName(): string
     {
-        return 'mails.guests.receipt_a4';
+        return 'emails.guests.receipt_a4';
     }
 
     public function getSubject(): string
diff --git a/app/Email/Test.php b/app/Email/Test.php
index 149f114..47f994d 100644
--- a/app/Email/Test.php
+++ b/app/Email/Test.php
@@ -6,7 +6,7 @@ class Test extends BaseEmailer
 {
     public function getTemplateName(): string
     {
-        return 'mails.test';
+        return 'emails.test';
     }
 
     public function getSubject(): string
diff --git a/app/Email/TextEmail.php b/app/Email/TextEmail.php
index 8165a18..d05ca49 100644
--- a/app/Email/TextEmail.php
+++ b/app/Email/TextEmail.php
@@ -23,7 +23,7 @@ class TextEmail extends BaseEmailer
 
     public function getTemplateName(): string
     {
-        return 'mails.free_text';
+        return 'emails.free_text';
     }
 
     public function getSubject(): string
diff --git a/resources/views/mails/free_text.blade.php b/resources/views/emails/free_text.blade.php
similarity index 100%
rename from resources/views/mails/free_text.blade.php
rename to resources/views/emails/free_text.blade.php
diff --git a/resources/views/mails/guests/receipt_a4.blade.php b/resources/views/emails/guests/receipt_a4.blade.php
similarity index 82%
rename from resources/views/mails/guests/receipt_a4.blade.php
rename to resources/views/emails/guests/receipt_a4.blade.php
index ff09c7c..b520695 100644
--- a/resources/views/mails/guests/receipt_a4.blade.php
+++ b/resources/views/emails/guests/receipt_a4.blade.php
@@ -1,4 +1,4 @@
-@extends('mails.layouts.guest')
+@extends('emails.layouts.guest')
 
 @section('contents')
 発行依頼された領収証を添付します。
diff --git a/resources/views/mails/layouts/guest.blade.php b/resources/views/emails/layouts/guest.blade.php
similarity index 100%
rename from resources/views/mails/layouts/guest.blade.php
rename to resources/views/emails/layouts/guest.blade.php
diff --git a/resources/views/mails/test.blade.php b/resources/views/emails/test.blade.php
similarity index 100%
rename from resources/views/mails/test.blade.php
rename to resources/views/emails/test.blade.php