function SetMaker(p, s, nNo) {
    if (p.length) {
        IconData.iconUrl = 'https://www.kiilife.jp/image/osm/red-' + nNo + '.png';
        var marker = L.marker(p, { icon: L.icon(IconData) });
        marker.bindPopup(s);
        markers.addLayer(marker);
        if (bounds) {
            bounds.extend(p);
        } else {
            bounds = L.latLngBounds(p);
            bounds.extend(p);
        }
    }
}
// create a map in the "map" div, set the view to a given place and zoom
var bounds;

var map = L.map('map', {
    scrollWheelZoom: false
});
var IconData = {
    iconSize: [24, 42],
    iconAnchor: [12, 42],
    popupAnchor: [-0, -40],
    shadowUrl: 'https://www.kiilife.jp/image/osm/marker-shadow.png',
    shadowSize: [40, 40],
    shadowAnchor: [10, 40]
};
var markers = L.markerClusterGroup();
var zoom = 0;

// add a marker in the given location, attach some popup content to it and open the popup
SetMaker([33.7037618, 135.40252409999994], '<a href="//www.kiilife.jp/opendata/map/?id=13881" class="iframe">介護老人保健施設 自彊館</a>', 1);
SetMaker([33.7063589, 135.40410780000002], '<a href="//www.kiilife.jp/opendata/map/?id=13882" class="iframe">介護付有料老人ホーム シニアホーム鯨洋</a>', 2);
SetMaker([33.7058366, 135.40422119999994], '<a href="//www.kiilife.jp/opendata/map/?id=13883" class="iframe">ケアセンターこみの</a>', 3);
SetMaker([33.7057736, 135.40443849999997], '<a href="//www.kiilife.jp/opendata/map/?id=13884" class="iframe">居宅介護支援事業所 自彊館</a>', 4);
SetMaker([33.705746797281975, 135.40443849631652], '<a href="//www.kiilife.jp/opendata/map/?id=28171" class="iframe">デイサービスセンター 自彊館</a>', 5);
SetMaker([33.705650018898794, 135.4043028101674], '<a href="//www.kiilife.jp/opendata/map/?id=31549" class="iframe">シニアホームこみの</a>', 6);
map.addLayer(markers);

// add an OpenStreetMap tile layer
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);

map.fitBounds(bounds, {paddingTopLeft: [0, 42]});
if (map.getZoom() > 16) {
    map.setZoom(16);
}