<html> <head> <title>pokemon</title> <link rel="stylesheet" href="../src/leaflet.css" /> <script src="../src/leaflet.js"></script> <style type="text/css"> <!-- div#map {width: 90vw; height: 80vh; margin: 0 auto;} --> </style> </head> <body> <h1>マップだけ表示してみたよ</h1> <div id="map"></div> <script type="text/javascript" src="overlay.js" charset="utf-8"></script> </body> </html>