/* 集約ピン：サムネイルのピンに、件数の数字バッジを重ねる */
.custom-marker.is-cluster { cursor: pointer; }
.custom-marker.is-cluster .cluster-badge {
    position: absolute;
    top: -8px;
    right: -12px;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    box-sizing: border-box;
    border-radius: 12px;
    background: #fff;
    color: #222;
    font-size: 13px;
    font-weight: 700;
    line-height: 24px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .35);
    pointer-events: none;
}