:root { --bg: #100f0e; --panel: #1a1816; --line: #2c2925; --text: #efe9e2;
          --muted: #a39b91; --accent: #e07a3c; --accent-2: #f0a06c; --code: #0b0a09; }
  @media (prefers-color-scheme: light) {
    :root { --bg: #f7f5ff; --panel: #fff; --line: #e6e2f2; --text: #241f33;
            --muted: #6d6685; --code: #f0edfa; }
  }
  * { box-sizing: border-box; }
  body { font-family: "Hiragino Maru Gothic ProN", "BIZ UDPGothic", "Yu Gothic UI", system-ui, sans-serif;
         background: var(--bg); color: var(--text); line-height: 1.9; margin: 0;
         padding: 0 16px 80px; }
  main { max-width: 760px; margin: 0 auto; }
  header { padding: 44px 0 26px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
  .logo { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 13px;
          background: linear-gradient(135deg, var(--accent), #ff7a9c); color: #fff;
          font-weight: 900; font-size: 20px; margin-bottom: 14px; }
  h1 { font-size: 27px; margin: 0 0 8px; }
  h2 { font-size: 19px; margin: 40px 0 10px; padding-top: 6px; }
  h3 { font-size: 15px; margin: 24px 0 6px; }
  p, li { color: var(--text); }
  .lead, .note { color: var(--muted); }
  .lead { font-size: 14.5px; margin: 0; }
  .note { font-size: 13px; }
  a { color: var(--accent-2); }
  pre { background: var(--code); border: 1px solid var(--line); border-radius: 12px;
        padding: 15px 17px; overflow-x: auto; font-size: 13px; line-height: 1.75; }
  code { font-family: "Cascadia Code", Consolas, "Courier New", monospace; }
  p code, li code, td code { background: var(--code); border: 1px solid var(--line);
        border-radius: 6px; padding: 1px 6px; font-size: 12.5px; }
  .card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
          padding: 16px 18px; margin: 16px 0; }
  .card h3 { margin-top: 0; }
  table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13.5px; }
  th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
  th { color: var(--muted); font-weight: 700; }
  ol li { margin-bottom: 6px; }
  .dl { display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
        padding: 10px 18px; border-radius: 11px; font-weight: 700; font-size: 14px; }
  footer { margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--line); }
.logo-img { width: 40px; height: 40px; border-radius: 11px; display: block; margin-bottom: 14px; }
.toc { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 16px; font-size: 13px; }
.toc a { text-decoration: none; }