/* ══════════════════════════════════════════════════════
   FundaFX — Common Design System
   Shared across all landing pages
   ══════════════════════════════════════════════════════ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-deep: #060911;
  --bg-primary: #0a0e17;
  --bg-card: #0f1420;
  --bg-card-hover: #151b2c;
  --bg-elevated: #1a2235;
  --border: #1e293b;
  --border-subtle: #141c2e;
  --accent: #3b82f6;
  --accent-dim: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-glow-strong: rgba(59, 130, 246, 0.3);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --green: #10b981;
  --red: #ef4444;
  --purple: #a78bfa;
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;
  --font-display: 'Instrument Serif', serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── LAYOUT ───────────────────────────────────────── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--mid {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV (sub-page style: sticky) ─────────────────── */
.sub-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(6, 9, 17, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--accent); }

.nav-back {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-back:hover { color: var(--text); }

/* ── FOOTER (simple, for sub-pages) ───────────────── */
.sub-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
}

.footer-text {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 300;
}

.footer-text a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-text a:hover { color: var(--text-secondary); }

/* ── LEGAL PAGE COMMON ────────────────────────────── */
.legal-page main {
  padding: 60px 0 120px;
}

.legal-page h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.legal-page .page-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 48px;
  font-weight: 300;
}

.legal-page .updated {
  margin-top: 48px;
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 300;
}

.legal-page h2 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.legal-page h3 {
  font-size: 15px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--text);
}

.legal-page p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
  font-weight: 300;
  margin-bottom: 16px;
}

.legal-page ul, .legal-page ol {
  margin: 12px 0 16px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
  font-weight: 300;
}

.legal-page li {
  margin-bottom: 6px;
}

.legal-page strong {
  color: var(--text);
  font-weight: 500;
}

.legal-page table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.legal-page table th {
  text-align: left;
  padding: 12px 16px 12px 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.legal-page table td {
  padding: 12px 16px 12px 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 300;
  border-bottom: 1px solid var(--border);
}

.legal-page .caps-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 16px 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.9;
  font-weight: 300;
}

.legal-page hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

.legal-page a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.legal-page a:hover {
  color: var(--text);
}