diff --git a/map/domon/gps-game.js b/map/domon/gps-game.js
index 1696d36..f8d8708 100644
--- a/map/domon/gps-game.js
+++ b/map/domon/gps-game.js
@@ -32,9 +32,19 @@
         stopGPS();
         nTrial = 100;
         pinIndex = null;
+
+        // 現在の場所をピンとして設定
+        navigator.geolocation.getCurrentPosition((pos) => {
+            var currentLatLng = L.latLng([pos.coords.latitude, pos.coords.longitude]);
+            mymap.panTo(currentLatLng);
+            gpsmarker.setLatLng(currentLatLng).setPopupContent("STARTおしてね").openPopup();
+        });
+
         var pin1 = getRandomPin();
         var pin2 = getRandomPin();
         pinIndex = Math.random() < 0.5 ? 0 : 1;
+        
+        // ピン情報を表示
         document.getElementById("pin-info").textContent = `Pin 1: ${pin1.name}, Pin 2: ${pin2.name}`;
         watchId = navigator.geolocation.watchPosition(
             onSuccess, onError, { maximumAge: 0, timeout: 3000, enableHighAccuracy: true });