/* videos_style_v2.css */
:root {
    --bg-color: #000;
    --text-color: #00ff00; /* ライトグリーン */
    --accent-color: #ccff00;
    --border-color: #00cc00;
    --overlay-color: rgba(0, 255, 0, 0.7);
}

body {
    font-family: 'VT323', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 255, 0, 0.05) 50%, transparent 50%);
    background-size: 100% 2px;
    pointer-events: none;
    z-index: 10;
    opacity: 0.7;
}

.container {
    width: 95%;
    max-width: 1200px;
    background-color: rgba(0, 0, 0, 0.9);
    border: 1px solid var(--border-color);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.5);
    padding: 30px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
    text-shadow: 2px 2px 5px rgba(0, 255, 0, 0.8);
}

.gallery-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main-video-container {
    border: 1px solid var(--border-color);
    background-color: #111;
    padding: 10px;
    box-sizing: border-box;
}

#main-video {
    width: 100%;
    display: block;
    background-color: black;
}

.video-info {
    padding: 10px 0;
}

.video-info h2 {
    font-size: 1.2rem;
    margin: 0;
}

.thumbnail-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    overflow-y: auto;
    max-height: 300px; /* 必要に応じて調整 */
    padding: 10px;
    border: 1px solid var(--border-color);
    background-color: #111;
    box-sizing: border-box;
}

.thumbnail {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    border: 1px solid #222;
}

.thumbnail img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease-in-out;
}

.thumbnail:hover img {
    transform: scale(1.1);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-color);
    color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.thumbnail:hover .overlay {
    opacity: 1;
}

footer {
    text-align: center;
    margin-top: 30px;
}

.back-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s, color 0.3s;
}

.back-link:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* Glitch effect */
.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    clip: rect(0, 900px, 0, 0);
}

.glitch::before {
    left: -2px;
    text-shadow: -3px 0 var(--accent-color);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch1 2s infinite linear alternate-reverse;
}

.glitch::after {
    left: 2px;
    text-shadow: -3px 0 var(--text-color);
    clip: rect(16px, 450px, 28px, 0);
    animation: glitch2 2s infinite linear alternate-reverse;
}

@keyframes glitch1 {
    0% { clip: rect(3px, 550px, 18px, 0); }
    5% { clip: rect(22px, 550px, 63px, 0); }
    10% { clip: rect(4px, 550px, 8px, 0); }
    15% { clip: rect(30px, 550px, 44px, 0); }
    20% { clip: rect(12px, 550px, 1px, 0); }
    25% { clip: rect(28px, 550px, 55px, 0); }
    30% { clip: rect(41px, 550px, 17px, 0); }
    35% { clip: rect(15px, 550px, 43px, 0); }
    40% { clip: rect(29px, 550px, 24px, 0); }
    45% { clip: rect(11px, 550px, 2px, 0); }
    50% { clip: rect(46px, 550px, 50px, 0); }
    55% { clip: rect(1px, 550px, 15px, 0); }
    60% { clip: rect(16px, 550px, 26px, 0); }
    65% { clip: rect(32px, 550px, 6px, 0); }
    70% { clip: rect(40px, 550px, 23px, 0); }
    75% { clip: rect(9px, 550px, 41px, 0); }
    80% { clip: rect(25px, 550px, 53px, 0); }
    85% { clip: rect(5px, 550px, 14px, 0); }
    90% { clip: rect(20px, 550px, 31px, 0); }
    95% { clip: rect(37px, 550px, 7px, 0); }
    100% { clip: rect(1px, 550px, 2px, 0); }
}

@keyframes glitch2 {
    0% { clip: rect(45px, 450px, 14px, 0); }
    5% { clip: rect(13px, 450px, 59px, 0); }
    10% { clip: rect(2px, 450px, 1px, 0); }
    15% { clip: rect(19px, 450px, 32px, 0); }
    20% { clip: rect(42px, 450px, 47px, 0); }
    25% { clip: rect(5px, 450px, 12px, 0); }
    30% { clip: rect(33px, 450px, 5px, 0); }
    35% { clip: rect(27px, 450px, 49px, 0); }
    40% { clip: rect(8px, 450px, 57px, 0); }
    45% { clip: rect(39px, 450px, 9px, 0); }
    50% { clip: rect(48px, 450px, 52px, 0); }
    55% { clip: rect(6px, 450px, 44px, 0); }
    60% { clip: rect(38px, 450px, 28px, 0); }
    65% { clip: rect(17px, 450px, 39px, 0); }
    70% { clip: rect(10px, 450px, 40px, 0); }
    75% { clip: rect(0px, 450px, 21px, 0); }
    80% { clip: rect(49px, 450px, 34px, 0); }
    85% { clip: rect(23px, 450px, 17px, 0); }
    90% { clip: rect(4px, 450px, 46px, 0); }
    95% { clip: rect(31px, 450px, 11px, 0); }
    100% { clip: rect(35px, 450px, 20px, 0); }

}

/* videos_style_v2.css の一番下に追加 */

/* iframeのアスペクト比を16:9に保つための設定 */
.main-video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio (9 / 16 = 0.5625) */
    height: 0;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: #111;
    padding-top: 0; /* 元のpaddingをリセット */
}

.main-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}