diff --git a/static/css/style.css b/static/css/style.css
index 7767abb..d0b39dd 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -5,7 +5,7 @@ body {
     display: flex;
     flex-direction: column;
     margin: 0;
-    font-family: 'Noto Sans', sans-serif;
+    font-family: 'Noto Sans', 'Noto Sans JP', sans-serif;
 }
 
 button {
@@ -172,7 +172,7 @@ form {
 
 .guide {
     font-size: 20px;
-    height: 48px;
+    min-height: 48px;
     cursor: pointer;
     border: 2px solid #a00b0b;
     border-radius: 10px;
diff --git a/static/guides/index.html b/static/guides/index.html
index f8145e6..a12a090 100644
--- a/static/guides/index.html
+++ b/static/guides/index.html
@@ -9,6 +9,7 @@
     <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:ital,wght@0,100..900;1,100..900&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap" rel="stylesheet">
 
     <link rel="stylesheet" href="/css/style.css">