/* fc2tuber: 動画サイト風のダーク。差し色は YouTube の赤を避けてピンク寄りにする */
:root {
  --bg: #0f0f10;
  --surface: #1a1a1d;
  --surface-2: #26262b;
  --text: #f1f1f3;
  --muted: #a0a0aa;
  --line: #2e2e34;
  --accent: #ff4f7b;
  --accent-text: #ffffff;
  --alive: #3ccf7e;
  --dead: #6e6e78;
  --radius: 12px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.6 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
h1, h2 { line-height: 1.35; }
h2 { font-size: 1.15rem; margin: 0 0 14px; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 20px; padding-bottom: 40px; }

/* ---------------------------------------------------------------- header */
.site-header { background: rgba(15, 15, 16, .92); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 16px; height: 60px; }
.logo { display: flex; align-items: center; gap: 6px; font-weight: 800; font-size: 1.25rem; color: var(--text); letter-spacing: -0.03em; white-space: nowrap; }
.logo:hover { text-decoration: none; }
.logo-text span { color: var(--accent); }
.logo-mark { width: 30px; height: 21px; border-radius: 6px; background: var(--accent); position: relative; flex: 0 0 auto; }
.logo-mark::after {
  content: ""; position: absolute; left: 12px; top: 5px;
  border-left: 9px solid #fff; border-top: 5.5px solid transparent; border-bottom: 5.5px solid transparent;
}
.search { display: flex; flex: 1; min-width: 0; max-width: 640px; margin: 0 auto; }
.search input {
  flex: 1; min-width: 0; padding: 9px 16px; font-size: 16px; color: var(--text);
  background: #121214; border: 1.5px solid #d8d8de; border-right: 0; border-radius: 999px 0 0 999px; outline: none;
}
/* 黒い帯に沈まないよう、枠は白に近い色にする */
.search input::placeholder { color: #9a9aa4; }
.search input:focus { border-color: var(--accent); }
.search button {
  padding: 0 20px; font-size: 14px; font-weight: 700; border: 1.5px solid #d8d8de; cursor: pointer;
  background: #f1f1f3; color: #111; border-radius: 0 999px 999px 0;
}
.search button:hover { background: #ffffff; }
.search input:focus + button { border-color: var(--accent); }
.search-large { margin: 0; }
.search-large input { padding: 13px 18px; }
.search-large button { padding: 0 26px; font-size: 16px; background: var(--accent); border-color: var(--accent); color: var(--accent-text); }

/* ---------------------------------------------------------------- buttons */
.btn, .btn-outline {
  display: inline-flex; align-items: center; padding: 8px 16px; border-radius: 999px; font-size: 14px;
  font-weight: 700; white-space: nowrap;
}
.btn:hover, .btn-outline:hover { text-decoration: none; }
.btn { background: var(--accent); color: var(--accent-text); }
.btn:hover { filter: brightness(1.08); }
.btn-outline { background: var(--surface-2); color: var(--text); }
.btn-outline:hover { background: #33333a; }
.btn-large { padding: 13px 28px; font-size: 16px; }

/* ---------------------------------------------------------------- 共通の箱 */
.section { margin-bottom: 32px; }
.notice, .dead-head, .product-head, .prose {
  background: var(--surface); border-radius: var(--radius); padding: 20px; margin-bottom: 24px;
}
.hero { padding: 28px 0 8px; margin-bottom: 24px; max-width: 760px; }
.hero h1 { font-size: 1.8rem; margin: 0 0 8px; letter-spacing: -0.02em; }
.hero p { color: var(--muted); margin: 0 0 20px; }
.source, .checked, .intro-src { color: var(--muted); font-size: 13px; }
.list-title { font-size: 1.4rem; margin: 0 0 16px; }
.list-title small { font-size: .85rem; font-weight: 400; color: var(--muted); margin-left: 6px; }
.more { margin: 8px 0 0; }
.more a { display: inline-block; padding: 8px 16px; border-radius: 999px; background: var(--surface-2); color: var(--text); font-size: 14px; font-weight: 700; }
.more a:hover { background: #33333a; text-decoration: none; }

/* ---------------------------------------------------------------- 動画カードの並び(トップ・一覧・チャンネル) */
.video-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px 16px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
/* カードは「まとめ記事」に見せる: サムネの下を白地にして一体の箱にする(動画の再生画面に見せない) */
.video-list li { display: flex; }
.video-list a { display: flex; flex-direction: column; width: 100%; background: #ffffff; color: #17171a; border-radius: var(--radius); overflow: hidden; transition: transform .15s, box-shadow .15s; }
.video-list a:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, .45); }
.vl-thumb { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--surface-2); }
.vl-thumb img { width: 100%; height: 100%; object-fit: cover; }
.vl-body { display: flex; flex-direction: column; gap: 8px; padding: 12px 14px 14px; flex: 1; }
.vl-title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-weight: 700; line-height: 1.45; color: #17171a; }
.vl-badge {
  align-self: flex-start; padding: 3px 10px; border-radius: 6px; font-size: 13px; font-weight: 800;
  color: var(--accent); background: rgba(255, 79, 123, .08); border: 1.5px solid var(--accent);
}
.vl-meta { display: block; color: #6b6b76; font-size: 12px; margin-top: auto; }

.h-count { font-size: .85rem; font-weight: 400; color: var(--muted); margin-left: 6px; }
/* 並べ方の切り替え(投稿日順 / 人気順) */
.sort-tabs { display: flex; gap: 8px; margin: 0 0 14px; }
.sort-tabs a { padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--text); background: var(--surface-2); text-decoration: none; }
.sort-tabs a[aria-current="page"] { background: var(--text); color: var(--bg); }
/* 無限スクロールの番兵。読み込み中だけ「読み込み中…」を出す */
.feed-sentinel { height: 1px; }
.feed-sentinel.is-loading { height: auto; padding: 24px 0; text-align: center; color: var(--muted); font-size: 14px; }
.feed-sentinel.is-loading::after { content: "読み込み中…"; }
.search-channels { margin-bottom: 20px; }
.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 32px; }
.pager a { padding: 8px 18px; border-radius: 999px; background: var(--surface-2); color: var(--text); font-weight: 700; font-size: 14px; }
.pager a:hover { background: #33333a; text-decoration: none; }
.pager-pos { color: var(--muted); font-size: 13px; }
.channel-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.channel-list a { display: inline-block; padding: 7px 14px; border-radius: 999px; background: var(--surface-2); color: var(--text); font-size: 14px; }
.channel-list a:hover { background: #33333a; text-decoration: none; }
.channel-list small { color: var(--muted); margin-left: 2px; }

/* ---------------------------------------------------------------- まとめページ */
.video-head { display: grid; grid-template-columns: minmax(0, 480px) 1fr; gap: 24px; align-items: start; margin-bottom: 32px; }
.video-thumb { position: relative; display: block; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: #000; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; }
.video-thumb .play {
  position: absolute; inset: 0; margin: auto; width: 64px; height: 44px; border-radius: 12px;
  background: rgba(0, 0, 0, .7); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.video-thumb:hover .play { background: var(--accent); }
.video-meta h1 { font-size: 1.35rem; margin: 0 0 10px; }
.video-meta p { margin: 0 0 12px; }
.summary { font-size: 15px; }
.summary strong { font-size: 1.3rem; color: var(--text); }

.mentions { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.mention {
  display: grid; grid-template-columns: 48px 260px 1fr; gap: 16px; align-items: start;
  background: var(--surface); border-radius: var(--radius); padding: 12px;
}
.rank { font-size: 1.9rem; font-weight: 800; text-align: center; line-height: 1.1; padding-top: 4px; color: var(--accent); }
.rank small { font-size: .75rem; font-weight: 700; display: block; color: var(--muted); }
.m-thumb { display: block; aspect-ratio: 16 / 9; border-radius: 8px; overflow: hidden; background: var(--surface-2); }
.m-thumb img { width: 100%; height: 100%; object-fit: cover; }
.no-thumb { display: flex; height: 100%; align-items: center; justify-content: center; color: var(--muted); font-size: 13px; }
.m-body p { margin: 0 0 8px; }
.m-id { font-weight: 700; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 15px; }
.m-id a { color: var(--text); }
.m-caption { font-weight: 700; font-size: 1.05rem; }
.m-title { color: var(--muted); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.m-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
/* 販売終了の行は画像が無いので枠ごと出さずに詰める。生きている行が目立つようにする */
.mention.is-dead { grid-template-columns: 48px 1fr; background: transparent; border: 1px solid var(--line); }
.is-dead .m-thumb { display: none; }
.is-dead .rank, .is-dead .m-id a { color: var(--dead); }

.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 9px; border-radius: 999px; margin-left: 8px; vertical-align: 2px; font-family: system-ui, sans-serif; }
.badge.alive { background: rgba(60, 207, 126, .15); color: var(--alive); }
.badge.dead { background: var(--surface-2); color: var(--muted); }
.badge.unknown { border: 1px solid var(--line); color: var(--muted); }

/* ---------------------------------------------------------------- 商品ページ */
.product-head h1 { font-size: 1.2rem; margin: 0 0 14px; }
.pid { display: block; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; color: var(--accent); font-size: 1rem; margin-bottom: 4px; }
.player { aspect-ratio: 16 / 9; background: #000; border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; max-width: 900px; }
.player iframe { width: 100%; height: 100%; border: 0; }
/* サンプル画像。縦横比は作品ごとにまちまちなので、枠を16:9に固定して中央で切る */
.samples { list-style: none; padding: 0; margin: 4px 0 0; max-width: 900px; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; }
.samples a { display: block; aspect-ratio: 16 / 9; background: #000; border-radius: 6px; overflow: hidden; }
.samples img { width: 100%; height: 100%; object-fit: cover; display: block; }
.samples-buy { margin: 14px 0 0; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 32px; margin: 0 0 16px; }
.facts dt { color: var(--muted); font-size: 12px; }
.facts dd { margin: 0; font-weight: 700; }
.dead-head h1 { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 1.4rem; margin: 0 0 8px; }
.dead-message { font-size: 1.2rem; font-weight: 700; margin: 0 0 4px; }

.to-video {
  display: flex; gap: 16px; align-items: center; color: var(--text);
  background: linear-gradient(90deg, rgba(255, 79, 123, .18), rgba(255, 79, 123, .04));
  border: 1px solid rgba(255, 79, 123, .5); border-radius: var(--radius); padding: 12px; margin-bottom: 32px;
}
.to-video:hover { text-decoration: none; border-color: var(--accent); }
.to-video img { flex: 0 0 160px; width: 160px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; }
.to-video strong { display: block; color: var(--accent); font-size: 1.05rem; }
.to-video small { color: var(--muted); }

.intro-list { list-style: none; margin: 0; padding: 0; }
.intro-list li { padding: 12px 0; border-top: 1px solid var(--line); }
.intro-list li:first-child { border-top: 0; padding-top: 0; }
.intro-list p { margin: 0 0 4px; }

.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px 14px; }
.card a { display: block; color: var(--text); }
.card a:hover { text-decoration: none; }
.card-thumb { position: relative; display: block; aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden; background: var(--surface-2); }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .2s; }
.card a:hover .card-thumb img { transform: scale(1.03); }
.card-id {
  position: absolute; right: 6px; bottom: 6px; padding: 1px 6px; border-radius: 5px;
  background: rgba(0, 0, 0, .8); color: #fff; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 12px; font-weight: 700;
}
.card-title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 13px; margin-top: 8px; line-height: 1.45; }

.prose h1 { font-size: 1.3rem; margin-top: 0; }
.contact-mail { font-weight: 700; }

/* ---------------------------------------------------------------- footer */
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; padding: 24px 0 48px; }
.site-footer p { margin: 0 0 8px; max-width: 760px; }
.site-footer a { color: var(--muted); text-decoration: underline; }

/* ---------------------------------------------------------------- スマホ */
@media (max-width: 760px) {
  .video-head { grid-template-columns: 1fr; gap: 14px; }
  .mention { grid-template-columns: 36px 1fr; gap: 12px; }
  .m-thumb { grid-column: 2; }
  .m-body { grid-column: 1 / -1; }
  .is-dead .m-body { grid-column: 2; }
  .rank { font-size: 1.5rem; }
}
@media (max-width: 600px) {
  .header-inner { gap: 10px; height: 56px; }
  .logo { font-size: 1.05rem; }
  .logo-mark { width: 24px; height: 17px; border-radius: 5px; }
  .logo-mark::after { left: 9px; top: 4px; border-left-width: 7px; border-top-width: 4.5px; border-bottom-width: 4.5px; }
  .search input { padding: 8px 12px; }
  .search button { padding: 0 12px; }
  .hero h1 { font-size: 1.4rem; }
  .video-list { grid-template-columns: 1fr; gap: 22px; }
  .cards { grid-template-columns: repeat(2, 1fr); gap: 16px 10px; }
  .to-video img { flex-basis: 120px; width: 120px; }
}