var mymap = L.map("mymap").setView([38.9185, 139.8366], 13); 

L.tileLayer('//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
  attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
}).addTo(mymap);

// 公園マーカー追加
var parks = [
  {
    name: "京田2丁目公園",
    coords: [139.835744,
          38.87808],
    description: "高台にある景観の良い公園"
  },
  {
    name: "京田4丁目公園",
    coords: [139.833469,
          38.871389],
    description: "広場や遊具が充実"
  },
  {
    name: "錦公園",
    coords: [139.83687,
          38.881571],
    description: "スポーツ施設や遊具が豊富"
  }
];

parks.forEach(function(park) {
  L.marker(park.coords)
    .addTo(mymap)
    .bindPopup(`<strong>${park.name}</strong><br>${park.description}`);
});