/* ==== 汎用パラパラビューア ==== */

.ppv-container {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4; /* 縦長 */
    background: #000;
    overflow: hidden;
}

.ppv-face {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
}