:root {
  --bg: #fafafa; --card: #fff; --text: #1f1f24; --muted: #6b6b76;
  --accent: #d6336c; --accent-text: #fff; --border: #e5e5ea; --star: #f59f00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141418; --card: #1d1d23; --text: #ececf1; --muted: #9a9aa6;
    --accent: #f06595; --border: #2d2d36;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif; line-height: 1.7; }
a { color: inherit; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-text);
  padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: 700; border: 0; cursor: pointer; font-size: 15px; }
.muted { color: var(--muted); }
h1 { font-size: 1.6rem; line-height: 1.4; }
h2 { font-size: 1.25rem; border-left: 4px solid var(--accent); padding-left: 10px; margin-top: 2.5rem; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
@media (max-width: 480px) { .grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } }

/* ヘッダー・フッター */
.pr { background: var(--text); color: var(--bg); font-size: 12px; text-align: center; padding: 4px 16px; }
header { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 8px 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.logo { font-weight: 800; font-size: 1.2rem; text-decoration: none; color: var(--accent); }
nav { display: flex; gap: 16px; flex-wrap: wrap; }
nav a { text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--accent); }
main { padding-top: 16px; padding-bottom: 48px; min-height: 60vh; }
footer { border-top: 1px solid var(--border); padding: 24px 0; font-size: 13px; background: var(--card); }

/* 年齢確認 */
#age-gate { position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.92);
  display: flex; align-items: center; justify-content: center; padding: 16px; }
#age-gate[hidden] { display: none; }
.gate-box { background: var(--card); border-radius: 12px; padding: 32px 24px; max-width: 420px; width: 100%; text-align: center; }
.gate-title { font-size: 1.4rem; font-weight: 800; margin: 0 0 8px; }
.gate-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.btn.no { background: var(--border); color: var(--text); }

/* 作品カード */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.thumb { position: relative; display: block; aspect-ratio: 3 / 4; background: linear-gradient(135deg, var(--border), var(--bg)); }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.noimg { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 12px; letter-spacing: .1em; }
.rank { position: absolute; top: 8px; left: 8px; background: var(--accent); color: var(--accent-text); font-weight: 800; min-width: 32px; height: 32px; border-radius: 16px; display: flex; align-items: center; justify-content: center; z-index: 1; }
.card-body { padding: 12px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-title { font-weight: 700; text-decoration: none; font-size: 14px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-title:hover { color: var(--accent); }
.card-meta { display: flex; gap: 12px; font-size: 13px; }
.star { color: var(--star); }
.card-summary { font-size: 13px; margin: 0; }
.btn.small { margin-top: auto; padding: 8px 12px; font-size: 13px; text-align: center; }

/* トップ */
.hero { margin-top: 8px; padding: 32px 24px; border-radius: 14px; color: #fff;
  background: radial-gradient(circle at 85% 20%, #7048e8 0, transparent 55%), linear-gradient(135deg, #1a1033, #3b1745 60%, #d6336c); }
.hero h1 { margin: 0 0 4px; font-size: 2rem; }
.hero-label { display: inline-block; margin: 0 0 8px; padding: 2px 10px; border: 1px solid rgba(255,255,255,.5); border-radius: 999px; font-size: 12px; letter-spacing: .1em; }
.hero-lead { margin: 0 0 20px; opacity: .9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn.ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.4); }
.more { text-align: right; }
.guide-cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.guide-card { display: flex; flex-direction: column; gap: 6px; padding: 16px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; text-decoration: none; font-size: 13px; }
.guide-card:hover { border-color: var(--accent); }
.guide-title { font-weight: 700; font-size: 15px; line-height: 1.5; }

/* ガイド記事 */
.guide { max-width: 760px; }
.toc { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 20px; margin: 20px 0; display: block; }
.toc p { margin: 0; font-weight: 700; }
.toc ol { margin: 4px 0 0; padding-left: 20px; }
.toc a { text-decoration: none; }
.tags { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags a { display: inline-block; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--card); text-decoration: none; font-size: 14px; }
.tags a:hover { border-color: var(--accent); color: var(--accent); }

/* ジャンル一覧 */
.genre-list { list-style: none; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.genre-list li { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; display: flex; justify-content: space-between; }
.genre-list a { text-decoration: none; font-weight: 700; }

/* 情報テーブル（作品ページ・運営者情報） */
.info { border-collapse: collapse; margin: 12px 0 20px; font-size: 14px; }
.info th { text-align: left; color: var(--muted); font-weight: 400; padding: 6px 16px 6px 0; white-space: nowrap; vertical-align: top; }
.info td { padding: 6px 0; }

/* 作品ページ */
.crumbs a { text-decoration: none; }
.item-head { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start; }
.item-head h1 { margin-top: 0; }
@media (max-width: 640px) { .item-head { grid-template-columns: 1fr; } }
.cover { aspect-ratio: 3 / 4; background: linear-gradient(135deg, var(--border), var(--bg)); border-radius: 10px; overflow: hidden; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.cover img { width: 100%; height: 100%; object-fit: cover; }
.g { display: inline-block; margin: 0 8px 4px 0; text-decoration: none; color: var(--accent); }
.note { font-size: 12px; }
.review { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 4px 20px 20px; margin-top: 32px; }
.score { color: var(--star); font-size: 1rem; margin-left: 8px; }
.pc { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .pc { grid-template-columns: 1fr; } }
.pc h3 { font-size: 1rem; margin-bottom: 4px; }
.cta { text-align: center; margin-top: 24px; }