/**
* スクロールポップアップバナー
*/
#spb-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10000; /* 追従バナー（.rm-floating-banner: 9999）より手前 */
    opacity: 0;
    transition: opacity 0.5s ease;
}

.spb-popup__content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 500px;
    text-align: center;
}

@media screen and (max-width: 767px) {
    .spb-popup__content {
        width: 90%;
    }
}

.spb-popup__content img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
}

#spb-popup-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    color: #fff;
}