diff --git a/public/index.html b/public/index.html
index 90b19fb..c56b3b7 100644
--- a/public/index.html
+++ b/public/index.html
@@ -3,7 +3,8 @@
 <head>
 	<meta charset="utf-8" />
 	<title>神山町</title>
-	<link rel="stylesheet" href="/leaflet_1.9.4.css"/>
+	<meta name="viewport" content="width=device-width, initial-scale=1" />
+	<link rel="stylesheet" href="/leaflet_1.9.4.css" />
 	<style>
 html {
 	background: #333;
