/* 画像拡大モーダル用スタイル */
#image-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    cursor: pointer;
}
#image-modal img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    cursor: default;
}
#image-modal .close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 50px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    z-index: 100000;
}
ul.modal img {
    cursor: pointer;
    transition: opacity 0.3s;
}
ul.modal img:hover {
    opacity: 0.8;
}