* {
    outline: 1px solid rgba(255, 0, 0, 0.5);
}
*:nth-child(odd) {
    outline: 1px solid rgba(0, 0, 255, 0.5);
}
body {
    margin: 0;
    overflow-y: auto; /* スワイプ更新を考慮 */
    background-color: #0b0b30;
    color: white;
    font-family: Arial, sans-serif;
    font-size:14px;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
}

iframe {
    margin: 0 auto;
    width: 100vw;
    height: 120px;
    display: block;
    overflow: hidden;
    border: none;
    scrollbar-width: none; /* Firefox */
}
iframe::-webkit-scrollbar {
    display: none; /* Chrome, Safari */
}

.content {
    position: relative;
    text-align: center;
    margin: 30px auto;
    padding: 20px;
    width: 80%;
    max-width: 600px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    color: #ab9c6f;
}

/* ギャラリーのサムネイル画像 */
.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}
.thumb {
    width: 80px;
    height: auto;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}
.thumb:hover {
    transform: scale(1.2);
}

.lightbox {
    display: none; /* 初期状態では非表示 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
    pointer-events: none;
}

footer {
    margin-top: 100px; /* 50px分の余白を追加 */
}