diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index fda2e6d..1eef662 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -1,6 +1,8 @@
 <!DOCTYPE html>
 <html>
   <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>ふーろぐ</title>
     <%= csrf_meta_tags %>
 
