<div id="mapid"></div>
#mapid {
  height : 500px;
}
let map = L.map('mapid');
map.setView([35.1709194,136.8793482], 16);
let tile = L.tileLayer('https://cyberjapandata.gsi.go.jp/xyz/std/{z}/{x}/{y}.png', {
    attribution:'<a href="https://maps.gsi.go.jp/development/ichiran.html" target="_blank">国土地理院</a>',
    minZoom:2,
    maxZoom:18,
});

map.addLayer(tile);

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