:root {
    color-scheme: dark;
    --bg: #121014; --panel: #1a171b; --panel-2: #221e23; --border: #332e33;
    --text: #e8e4e6; --text-dim: #9c939b; --accent: #ff4d7e;
    --area-male-sweet: #f2b96f; --area-female-sweet: #ff8fb4;
    --area-male-harsh: #4f9fe0; --area-female-harsh: #a86cff;
  }
  * { box-sizing: border-box; }
  body {
    margin: 0; padding: 14px 18px 44px; background: var(--bg); color: var(--text);
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
    line-height: 1.6; font-size: 14.5px;
  }
  .wrap { max-width: 1300px; margin: 0 auto; }
  .brand-link { display: inline-flex; flex-direction: column; line-height: 1; text-decoration: none; margin-bottom: 16px; }
  .brand-en {
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    font-size: 20px; font-weight: 800; letter-spacing: .10em;
    background: linear-gradient(90deg, #ff8fb4, #ff4d7e 55%, #a86cff);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .brand-ja { font-size: 10px; letter-spacing: .32em; color: var(--text-dim); margin-top: 5px; }
  h1 { font-size: 22px; margin: 0 0 6px; }
  .lead { color: var(--text-dim); font-size: 13px; margin: 0 0 14px; }
  .period-suffix { font-size: 16px; color: var(--text-dim); margin-left: 10px; font-weight: 400; }
  .period-row { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 22px; }
  .period-chip {
    display: inline-block; padding: 4px 12px; border-radius: 999px;
    background: var(--panel); border: 1px solid var(--border);
    color: var(--text-dim); text-decoration: none; font-size: 12.5px;
  }
  .period-chip:hover { border-color: var(--accent); color: var(--text); }
  .period-chip.on { border-color: var(--accent); color: var(--accent); }
  .hall-empty { color: var(--text-dim); padding: 40px 0; text-align: center; }

  section { margin-bottom: 26px; }
  .sec-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
  .sec-head h2 { font-size: 17px; margin: 0; }
  .sec-head .count { font-size: 12px; color: var(--text-dim); }
  .sec-head .more { font-size: 12px; margin-left: auto; }
  .area-male-sweet h2 { color: var(--area-male-sweet); }
  .area-female-sweet h2 { color: var(--area-female-sweet); }
  .area-male-harsh h2 { color: var(--area-male-harsh); }
  .area-female-harsh h2 { color: var(--area-female-harsh); }

  .row { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .card {
    position: relative; background: var(--panel); border: 1px solid var(--border);
    border-radius: 8px; overflow: hidden; text-decoration: none; color: var(--text);
    display: flex; flex-direction: column;
  }
  .card:hover { border-color: var(--accent); }
  .card .thumb { aspect-ratio: 4 / 3; background: var(--panel-2); }
  .card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .card .rank {
    position: absolute; top: 6px; left: 6px; z-index: 2;
    background: rgba(16,19,26,.85); color: var(--text);
    font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 4px;
  }
  .card .body { padding: 7px 9px 9px; display: flex; flex-direction: column; gap: 4px; }
  .card .title {
    font-size: 12.5px; font-weight: 700; line-height: 1.35;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .card .meta { font-size: 10.5px; color: var(--text-dim); }
  a { color: var(--accent); }
  .back { display: inline-block; margin-top: 6px; padding: 7px 14px;
    background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
    color: var(--text); text-decoration: none; font-size: 13px; }
  .back:hover { border-color: var(--accent); }