.lum-gallery-button {
  display: none !important;
}

a.zoom {
    position: relative;
    display: block;
    cursor: zoom-in;
}

a.zoom::after {
    font-size: 16px;
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    display: block;
    width: 1.5em;
    height: 1.5em;
    background-color: rgba(0,0,0,0.5);
    background-image: url("../img/zoom.png");
    background-size: 1.3em 1.3em;
    background-position: center center;
    background-repeat: no-repeat;
}

@media screen and (max-width: 460px) {
    .lum-lightbox-inner img {
        max-width: 160vw !important;  /* 軽くスワイプで左端から右端まで動かせる量 */
        max-height: 85vh !important;  /* 上下に適度に余白 */
    }
    
    a.zoom::after {
        font-size: 14px;
    }
}