diff --git a/class_content/index.html b/class_content/index.html
index ed15e3e..0ba2710 100644
--- a/class_content/index.html
+++ b/class_content/index.html
@@ -2,7 +2,13 @@
 <html lang="ja">
 <head><title>Junior-Doctor Chokai Academy</title>
 <meta charset="utf-8">
-<link href="https://fonts.googleapis.com/css?family=Sawarabi+Gothic" rel="stylesheet">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+<link href="https://fonts.googleapis.com/css2?family=Noto+Sans+JP&display=swap" rel="stylesheet">
+<link href="https://use.fontawesome.com/releases/v5.15.1/css/all.css" rel="stylesheet">
+    <link rel="stylesheet" href="responsive.css">
 <link rel="stylesheet" type="text/css" href="../jdmain.css">
 <script type="text/javascript" src="../jdinit.js"></script>
 </head>
