/* Shared stylesheet for the legal pages (terms / privacy / tokushoho).
   Per-page tweaks (heading size, etc.) live inline in each HTML. */
    :root {
      --ink: #0A0A0A;
      --paper: #FFFFFF;
      --bg: #FAFAFA;
      --muted: #6E6E73;
      --hair: rgba(10,10,10,0.12);
      --accent: #FF5A1F;
      --radius: 16px;
      --maxw: 880px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', Meiryo, 'Space Grotesk', sans-serif;
      background: var(--bg);
      color: var(--ink);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    a { color: inherit; text-decoration: none; }
    .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
    .mono { font-family: 'Space Grotesk', sans-serif; }

    /* ---------- Top bar ---------- */
    .topbar {
      position: sticky; top: 0; z-index: 50;
      background: rgba(250,250,250,0.82);
      backdrop-filter: saturate(140%) blur(10px);
      border-bottom: 1px solid var(--hair);
    }
    .topbar .row {
      max-width: 1080px; margin: 0 auto; padding: 0 20px;
      display: flex; align-items: center; justify-content: space-between;
      height: 60px; gap: 16px;
    }
    .brand { display: inline-flex; align-items: baseline; gap: 8px; font-weight: 900; font-size: 18px; letter-spacing: -0.02em; }
    .brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); display: inline-block; transform: translateY(-1px); }
    .topnav { display: flex; gap: 4px; align-items: center; }
    .topnav .lang { margin-left: 12px; }  /* set the action buttons off from the text nav */
    .topnav .pill { margin-left: 6px; }   /* breathing room between English and the CTA */
    .topnav a { padding: 8px 12px; font-size: 13.5px; color: var(--muted); border-radius: 999px; transition: color .15s, background .15s; }
    .topnav a:hover { color: var(--ink); background: rgba(10,10,10,0.05); }
    .topnav a[aria-current="page"] { color: var(--ink); font-weight: 700; }
    .topnav .pill { color: var(--paper); background: var(--ink); font-weight: 700; }
    .topnav .pill:hover { background: #000; color: var(--paper); }
    .topnav a.lang { display: inline-flex; align-items: center; gap: 6px; border: 1.5px solid var(--ink); color: var(--ink); font-weight: 700; }
    .topnav a.lang:hover { background: var(--ink); color: var(--paper); }
    .topnav a.lang svg { width: 15px; height: 15px; flex: 0 0 auto; }
    @media (max-width: 720px) {
      .topnav .hide-sm { display: none; }
      .topnav .lang, .topnav .pill { margin-left: 0; }
      .topnav a.lang .lang-label { display: none; }   /* icon-only language switch where space is tight */
      .topnav a.lang { padding: 8px; gap: 0; }
      .topnav a.lang svg { width: 18px; height: 18px; }
    }

    /* ---------- Header ---------- */
    .doc-head { padding: 64px 0 28px; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      font-family: 'Space Grotesk', sans-serif; font-weight: 600;
      font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
      color: var(--accent); margin-bottom: 18px;
    }
    .eyebrow::before { content: ""; width: 26px; height: 1.5px; background: var(--accent); display: inline-block; }
    .doc-head h1 { margin: 0; font-weight: 900; font-size: clamp(2.2rem, 7vw, 3.4rem); line-height: 1.04; letter-spacing: -0.035em; }
    .doc-meta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 13.5px; color: var(--muted); font-family: 'Space Grotesk', sans-serif; }
    .doc-meta b { color: var(--ink); font-weight: 700; }
    .intro { margin: 22px 0 0; color: var(--muted); font-size: 1.02rem; }

    /* ---------- Table of contents ---------- */
    .toc {
      margin: 28px 0 0; padding: 20px 22px; background: var(--paper);
      border: 1.5px solid var(--ink); border-radius: var(--radius);
    }
    .toc h2 { margin: 0 0 12px; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-weight: 600; }
    .toc ol { margin: 0; padding: 0; list-style: none; columns: 2; column-gap: 28px; }
    .toc li { margin: 5px 0; break-inside: avoid; }
    .toc a { display: inline-flex; gap: 10px; font-size: 0.94rem; color: var(--ink); }
    .toc a:hover { color: var(--accent); }
    .toc .n { font-family: 'Space Grotesk', sans-serif; color: var(--muted); font-weight: 700; min-width: 22px; }
    @media (max-width: 560px) { .toc ol { columns: 1; } }

    /* ---------- Articles ---------- */
    main { padding-bottom: 40px; }
    .art { padding: 30px 0; border-top: 1px solid var(--hair); scroll-margin-top: 76px; }
    .art:first-of-type { border-top: none; }
    .art h2 {
      margin: 0 0 12px; font-size: clamp(1.15rem, 3vw, 1.4rem); font-weight: 700;
      letter-spacing: -0.01em; display: flex; align-items: baseline; gap: 12px;
    }
    .art h2 .n {
      font-family: 'Space Grotesk', sans-serif; font-weight: 700; color: var(--accent);
      font-size: 0.9em; flex: 0 0 auto;
    }
    .art p { margin: 8px 0; color: var(--muted); }
    .art ul { margin: 8px 0; padding-left: 20px; color: var(--muted); }
    .art li { margin: 6px 0; }
    .art a { color: var(--ink); border-bottom: 1.5px solid var(--accent); }
    .art a:hover { color: var(--accent); }
    .art strong { color: var(--ink); font-weight: 700; }

    .callout {
      margin: 16px 0 4px; padding: 16px 18px; background: var(--paper);
      border: 1.5px solid var(--ink); border-radius: 12px; color: var(--ink);
      font-size: 0.95rem;
    }
    .callout b { font-weight: 700; }

    /* ---------- Footer ---------- */
    footer.site { background: var(--bg); border-top: 1px solid var(--hair); padding: 40px 0; margin-top: 8px; }
    footer.site .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; align-items: center; }
    footer.site .links { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13.5px; }
    footer.site .links a { color: var(--muted); }
    footer.site .links a:hover { color: var(--ink); }
    footer.site .copy { font-size: 12.5px; color: var(--muted); font-family: 'Space Grotesk', sans-serif; }

    @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }