diff --git a/koki/koryo.js b/koki/koryo.js
index cfe60ad..684f48e 100644
--- a/koki/koryo.js
+++ b/koki/koryo.js
@@ -1,7 +1,7 @@
 /* 公益大範囲: latlng(38.894697,139.817363), latlng(38.891412,139.820736)*/
 document.addEventListener("DOMContentLoaded", () => {
     var bounds = [[38.894697,139.817363],[38.891412,139.820736]]
-    var mymap = L.map("mymap").setView([38.893, 139.819],17);
+    var mymap = L.map("mymap").setView([38.893, 139.819],20);
     L.tileLayer('//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
 	attribution:
 	'&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contrivutors'