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<title>helium</title>
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<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;600&family=Outfit:wght@300;400;500&family=Noto+Sans+JP:wght@300;400;500&display=swap">
<style> :root { --bg: #0a0d12; --surface: #10141b; --surface-hov: #171c25; --border: #232935; --border-focus: #8fb8ff; --text: #e6ecf3; --text-sub: #7b8493; --accent: #8fb8ff; --accent-dim: #5e8fe0; --danger: #ff6a75; --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --side-pad: clamp(20px, 5vw, 64px); --header-h: 60px; } *, *::before, *::after { box-sizing: border-box; } body { background-color: var(--bg); color: var(--text); font-family: 'Outfit', 'Noto Sans JP', sans-serif; font-weight: 300; margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; background-image: radial-gradient(ellipse 60% 40% at 50% 0%, #12203a 0%, transparent 70%), url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E"); } #helium-app { width: 100%; min-height: 100svh; } #helium-main { width: 100%; } #helium-app[data-mode="home"] #helium-main { padding: 28px var(--side-pad) 60px; } #helium-app[data-mode="search"] #helium-main { padding: 28px var(--side-pad) 60px; } #helium-app[data-mode="watch"] #helium-main { padding: 0; } .loading-dots { display: flex; justify-content: center; align-items: center; gap: 7px; padding: 24px 0; grid-column: 1/-1; } .loading-dots span { width: 5px; height: 5px; background-color: var(--accent); border-radius: 50%; display: inline-block; animation: helium-blink 1.4s infinite ease-in-out both; } .loading-dots span:nth-child(1) { animation-delay: -.32s; } .loading-dots span:nth-child(2) { animation-delay: -.16s; } .status-label { color: var(--text-sub); font-size: 13px; letter-spacing: .04em; padding: 24px 0; text-align: center; margin: 0; } @keyframes helium-blink { 0%,80%,100%{transform:scale(0);opacity:.3} 40%{transform:scale(1);opacity:1} } @keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} } .live-badge { position: absolute; bottom: 8px; left: 8px; background: var(--danger); color: #0a0d12; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 4px; letter-spacing: .06em; line-height: 1; text-transform: uppercase; z-index: 1; } .length-badge { position: absolute; bottom: 8px; right: 8px; background: rgba(0,0,0,.82); color: #fff; font-size: 11px; font-weight: 500; padding: 3px 6px; border-radius: 4px; line-height: 1; z-index: 1; } .load-more-btn { background: transparent; border: 1px solid var(--border); color: var(--text); padding: 12px 20px; border-radius: var(--r-md); font-family: inherit; font-size: 13px; letter-spacing: .04em; cursor: pointer; transition: background-color .15s, border-color .15s; width: 100%; margin-top: 6px; } .load-more-btn:hover { background-color: var(--surface-hov); border-color: var(--text-sub); } .load-more-btn:disabled { opacity: .5; cursor: default; } .helium-dl-link { display: block; text-align: center; padding: 14px; font-size: 13px; font-weight: 500; font-family: inherit; letter-spacing: .12em; text-transform: uppercase; background: linear-gradient(135deg,var(--accent),var(--accent-dim)); color: #0a0d12; text-decoration: none; border-radius: var(--r-md); transition: opacity .2s, transform .15s, box-shadow .2s; box-shadow: 0 4px 20px rgba(143,184,255,.2); } .helium-dl-link:hover { opacity: .9; transform: translateY(-1px); box-shadow: 0 6px 24px rgba(143,184,255,.3); } .he-yt-link { display: block; text-align: center; padding: 14px; font-size: 13px; font-weight: 400; font-family: inherit; letter-spacing: .04em; border: 1px solid var(--border); border-radius: var(--r-md); color: var(--text-sub); text-decoration: none; transition: color .15s, border-color .15s, background-color .15s; } .he-yt-link:hover { color: var(--text); border-color: var(--text-sub); background-color: var(--surface-hov); } .he-channel-hover { cursor: pointer; display: inline-block; max-width: 100%; transition: color .18s ease; color: var(--text-sub); } .he-channel-hover:hover { color: var(--accent); } </style> <style> .he-header { position: sticky; top: 0; z-index: 100; height: var(--header-h); display: flex; align-items: center; gap: 12px; padding: 0 var(--side-pad); background-color: rgba(10, 13, 18, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); } .he-header__left { display: flex; align-items: center; flex-shrink: 0; } .he-header__center { flex: 1 1 auto; display: flex; justify-content: center; min-width: 0; } .he-header__right { flex-shrink: 0; display: flex; align-items: center; justify-content: flex-end; } .he-header-logo { display: flex; align-items: center; gap: 10px; background: none; border: none; cursor: pointer; padding: 0; color: var(--text); font-family: 'Cormorant Garamond', serif; font-size: 22px; font-weight: 600; letter-spacing: 0.06em; transition: opacity 0.2s; } .he-header-logo:hover { opacity: 0.75; } .helium-ico { width: 42px; height: 30px; background: linear-gradient(135deg, var(--accent), var(--accent-dim)); border-radius: var(--r-sm); position: relative; flex-shrink: 0; box-shadow: 0 2px 16px rgba(143, 184, 255, 0.28); } .helium-ico::after { content: ''; position: absolute; border-style: solid; border-width: 6px 0 6px 11px; border-color: transparent transparent transparent #0a0d12; top: 50%; left: 56%; transform: translate(-50%, -50%); } .helium-ico--sm { width: 28px; height: 20px; box-shadow: none; } .helium-ico--sm::after { border-width: 4px 0 4px 7px; } .he-search { display: flex; width: 100%; max-width: 640px; height: 40px; } .he-search__field { flex: 1; display: flex; align-items: center; background-color: var(--surface); border: 1px solid var(--border); border-right: none; border-radius: 999px 0 0 999px; padding: 0 18px; transition: border-color 0.15s, box-shadow 0.15s; min-width: 0; } .he-search__field:focus-within { border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(143,184,255,.12); } .he-search__field:focus-within + .he-search__btn { border-color: var(--border-focus); } .he-search__input { background: transparent; border: none; color: var(--text); width: 100%; outline: none; font-size: 14px; font-family: inherit; letter-spacing: 0.02em; } .he-search__input::placeholder { color: var(--text-sub); font-weight: 300; } .he-search__btn { width: 64px; background-color: var(--surface-hov); border: 1px solid var(--border); border-radius: 0 999px 999px 0; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background-color 0.15s, color 0.15s, border-color 0.15s; color: var(--text-sub); flex-shrink: 0; } .he-search__btn:hover { background-color: var(--accent); color: #0a0d12; border-color: var(--accent); } .he-search__btn:disabled { opacity: 0.5; cursor: not-allowed; } .he-search__icon { width: 22px; height: 22px; fill: currentColor; } .he-hamburger { width: 42px; height: 42px; background: none; border: 1px solid transparent; border-radius: 50%; cursor: pointer; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; padding: 0; transition: background-color 0.15s, border-color 0.15s; } .he-hamburger:hover { background-color: var(--surface-hov); border-color: var(--border); } .he-hamburger span { display: block; width: 18px; height: 2px; background-color: var(--text); border-radius: 2px; } </style> <style> .video-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 20px; row-gap: 40px; max-width: 1400px; margin: 0 auto; } .video-card { width: 100%; cursor: pointer; animation: fadeIn .3s ease-out; } .video-card__thumb-wrap { width: 100%; aspect-ratio: 16/9; border-radius: var(--r-lg); overflow: hidden; background-color: var(--surface); margin-bottom: 12px; border: 1px solid var(--border); position: relative; transition: border-radius 0.2s; } .video-card:hover .video-card__thumb-wrap { border-radius: var(--r-sm); } .video-card__thumb { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.25s; } .video-card:hover .video-card__thumb { transform: scale(1.03); } .video-card__details { display: flex; gap: 12px; padding: 0 4px; } .video-card__text { flex: 1; min-width: 0; } .video-card__title { margin: 0; font-size: 15px; line-height: 1.4; font-weight: 400; color: var(--text); letter-spacing: 0.01em; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; } .video-card__channel, .video-card__meta { margin: 4px 0 0; font-size: 12px; color: var(--text-sub); letter-spacing: .02em; line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } </style> <style> .search-list { display: flex; flex-direction: column; gap: 16px; max-width: 1100px; margin: 0 auto; } .search-row { display: flex; gap: 16px; cursor: pointer; border-radius: var(--r-md); padding: 8px; transition: background-color 0.15s; animation: fadeIn .3s ease-out; } .search-row:hover { background-color: var(--surface-hov); } .search-row__thumb-wrap { flex-shrink: 0; width: clamp(180px, 32vw, 360px); aspect-ratio: 16/9; border-radius: var(--r-md); overflow: hidden; background-color: var(--surface); border: 1px solid var(--border); position: relative; } .search-row__thumb { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.25s; } .search-row__thumb-wrap:hover .search-row__thumb { transform: scale(1.03); } .search-row__info { flex: 1; min-width: 0; padding: 4px 0; display: flex; flex-direction: column; gap: 6px; } .search-row__title { margin: 0; font-size: clamp(15px,1.6vw,18px); font-weight: 500; line-height: 1.35; color: var(--text); letter-spacing: .01em; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; } .search-row__meta, .search-row__channel { margin: 0; font-size: 13px; color: var(--text-sub); letter-spacing: .02em; line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } </style> <style> .watch-wrap { display: grid; grid-template-columns: minmax(0,1fr) 400px; gap: 24px; max-width: 1400px; margin: 0 auto; padding: 24px var(--side-pad) 60px; align-items: flex-start; } .watch-main { min-width: 0; width: 100%; } .watch-side { width: 100%; min-width: 0; display: flex; flex-direction: column; gap: 12px; } .watch-player { width: 100%; aspect-ratio: 16/9; background: #000; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: 0 8px 40px rgba(0,0,0,.5); position: relative; } .watch-player iframe, .watch-player video { width: 100%; height: 100%; border: 0; display: block; background: #000; } .watch-player__placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: #000; } .watch-player__switcher { display: flex; align-items: center; gap: 8px; margin-top: 10px; flex-wrap: wrap; } .watch-player__switch-btn { background: transparent; border: 1px solid var(--border); color: var(--text-sub); padding: 6px 12px; border-radius: 999px; font-size: 12px; font-family: inherit; letter-spacing: .02em; cursor: pointer; transition: color .15s, border-color .15s, background-color .15s; } .watch-player__switch-btn:hover { color: var(--text); border-color: var(--text-sub); background-color: var(--surface-hov); } .watch-player__switch-btn--active { color: #0a0d12; background: linear-gradient(135deg,var(--accent),var(--accent-dim)); border-color: transparent; font-weight: 400; } .watch-player__switch-btn--active:hover { color: #0a0d12; } .watch-player__switch-btn:disabled { opacity: 0.4; cursor: not-allowed; } .watch-player__retry-btn { background: transparent; border: 1px solid var(--border); color: var(--text-sub); width: 30px; height: 30px; border-radius: 50%; font-size: 15px; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: color .15s, border-color .15s, background-color .15s, transform .2s; flex-shrink: 0; line-height: 1; padding: 0; margin-left: 2px; font-family: inherit; } .watch-player__retry-btn:hover { color: var(--accent); border-color: var(--accent); background-color: var(--surface-hov); } .watch-player__retry-btn:active { transform: rotate(180deg); } .watch-player__retry-btn:disabled { opacity: 0.3; cursor: not-allowed; } .watch-player__switcher-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; flex-shrink: 0; } .watch-player__help-btn { background: transparent; border: 1px solid var(--border); color: var(--text-sub); width: 30px; height: 30px; border-radius: 50%; font-family: inherit; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: color .15s, border-color .15s, background-color .15s; padding: 0; line-height: 1; } .watch-player__help-btn:hover { color: var(--accent); border-color: var(--accent); background-color: var(--surface-hov); } .watch-player__retry { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 20px; color: var(--text-sub); font-size: 13px; background: #000; } .watch-player__retry p { margin: 0; letter-spacing: .04em; } .he-btn { background: transparent; border: 1px solid var(--border); color: var(--text); padding: 8px 18px; border-radius: 999px; font-family: inherit; font-size: 12px; letter-spacing: .04em; cursor: pointer; transition: background-color .15s, border-color .15s, color .15s; } .he-btn:hover { border-color: var(--text-sub); background: var(--surface-hov); } .he-btn--primary { background: linear-gradient(135deg,var(--accent),var(--accent-dim)); border-color: transparent; color: #0a0d12; font-weight: 400; } .he-btn--primary:hover { opacity: .9; } .he-shortcuts { position: fixed; right: 24px; bottom: 24px; max-width: