body, html {
    height: 100%;
    margin: 0;
  }
  #map {
    height: 100%;
  }
  .custom-popup .maplibregl-popup-content {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 7px;
    padding-right: 9px;
    padding-left: 9px;
    padding-top: 3px;
    padding-bottom: 3px;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
  }
  .control-panel {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    padding: 7px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
  }
  .control-panel button {
    display: block;
    margin-bottom: 5px;
    width: 100%;
    background: transparent;
    border: 2px solid transparent;
    padding: 10px;
    cursor: pointer;
    transition: border 0.3s;
  }
  .control-panel button.selected {
    border: 2px solid blue; /* ここを赤から青に変更 */
    border-radius: 5px;
  }
  .control-panel button:disabled {
    background: #ccc;
    cursor: not-allowed;
  }
  .osm-credit {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.8);
    padding: 5px;
    border-radius: 5px;
    font-size: 12px;
    z-index: 1000;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
  }