:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #252540;
  --bg-card: #1e1e35;
  --bg-hover: #2a2a4a;
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a85;
  --accent: #e85d3a;
  --accent-hover: #ff7a5c;
  --accent-glow: rgba(232, 93, 58, 0.3);
  --success: #2ecc71;
  --warning: #f39c12;
  --error: #e74c3c;
  --border: #2d2d4a;
  --border-light: #3a3a5c;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Noto Sans JP", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(232, 93, 58, 0.16), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(93, 93, 180, 0.18), transparent 34rem),
    var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
.skip-link { position: absolute; top: -4rem; left: 1rem; background: var(--accent); color: #fff; padding: .75rem 1rem; border-radius: var(--radius-sm); z-index: 1000; transition: var(--transition); }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(18px); background: rgba(15,15,26,.84); border-bottom: 1px solid var(--border); }
.nav { max-width: 1180px; margin: 0 auto; padding: 1rem clamp(1rem,4vw,2rem); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-family: var(--font-display); font-weight: 800; letter-spacing: -.03em; }
.brand-mark { width: 2.4rem; height: 2.4rem; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg,var(--accent),var(--accent-hover)); box-shadow: 0 0 28px var(--accent-glow); color: #fff; font-weight: 900; }
.nav-links { display: flex; align-items: center; gap: 1rem; color: var(--text-secondary); font-size: .94rem; }
.nav-links a { padding: .45rem .7rem; border-radius: var(--radius-sm); transition: var(--transition); }
.nav-links a:hover,.nav-links a:focus { color: var(--text-primary); background: var(--bg-hover); }
.hero { max-width: 1180px; margin: 0 auto; padding: clamp(4rem,9vw,7rem) clamp(1rem,4vw,2rem) 3rem; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(280px,.85fr); gap: clamp(2rem,5vw,4rem); align-items: center; }
.badge { display: inline-flex; align-items: center; gap: .5rem; width: fit-content; padding: .45rem .8rem; border: 1px solid rgba(46,204,113,.35); border-radius: 999px; background: rgba(46,204,113,.09); color: #baf7d0; font-size: .9rem; margin-bottom: 1.2rem; }
h1 { font-family: var(--font-display); font-size: clamp(2.3rem,7vw,5.25rem); line-height: .95; letter-spacing: -.075em; max-width: 860px; margin-bottom: 1.4rem; }
.lead { max-width: 720px; color: var(--text-secondary); font-size: clamp(1rem,2vw,1.2rem); }
.hero-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 3rem; padding: .85rem 1.1rem; border-radius: var(--radius); border: 1px solid var(--border-light); background: var(--bg-card); color: var(--text-primary); font-weight: 700; transition: var(--transition); cursor: pointer; }
.btn-primary { border-color: transparent; background: linear-gradient(135deg,var(--accent),var(--accent-hover)); box-shadow: 0 10px 30px var(--accent-glow); }
.btn:hover,.btn:focus { transform: translateY(-2px); box-shadow: var(--shadow); }
.privacy-card { position: relative; overflow: hidden; padding: 1.4rem; background: linear-gradient(180deg,rgba(37,37,64,.86),rgba(30,30,53,.96)); border: 1px solid var(--border-light); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.privacy-card::before { content: ""; position: absolute; inset: -40% auto auto -20%; width: 15rem; height: 15rem; background: var(--accent-glow); filter: blur(45px); border-radius: 50%; pointer-events: none; }
.privacy-card h2 { position: relative; font-size: 1.4rem; margin-bottom: 1rem; }
.status-list { position: relative; display: grid; gap: .8rem; list-style: none; }
.status-list li { display: flex; gap: .8rem; align-items: flex-start; padding: .9rem; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(15,15,26,.44); color: var(--text-secondary); }
.check { flex: 0 0 auto; width: 1.45rem; height: 1.45rem; display: grid; place-items: center; border-radius: 50%; background: rgba(46,204,113,.14); color: var(--success); font-weight: 900; }
main { max-width: 1180px; margin: 0 auto; padding: 0 clamp(1rem,4vw,2rem) 4rem; }
.section { margin-top: 2rem; padding: clamp(1.1rem,3vw,2rem); border: 1px solid var(--border); border-radius: var(--radius-lg); background: rgba(30,30,53,.72); box-shadow: var(--shadow); }
.section h2 { font-family: var(--font-display); font-size: clamp(1.55rem,3vw,2.15rem); line-height: 1.15; margin-bottom: .75rem; letter-spacing: -.04em; }
.section p,.section li { color: var(--text-secondary); }
.grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; margin-top: 1.2rem; }
.mini-card { padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); }
.mini-card strong { display: block; color: var(--text-primary); margin-bottom: .35rem; }
.table-wrap { overflow-x: auto; margin-top: 1rem; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; min-width: 680px; border-collapse: collapse; background: var(--bg-card); }
th,td { padding: .95rem; text-align: left; border-bottom: 1px solid var(--border); color: var(--text-secondary); vertical-align: top; }
th { color: var(--text-primary); background: var(--bg-tertiary); }
.notice { margin-top: 1rem; padding: 1rem; border-left: 4px solid var(--accent); border-radius: var(--radius-sm); background: rgba(232,93,58,.09); color: var(--text-secondary); }
.cookie-banner { position: fixed; left: 50%; bottom: 1rem; transform: translateX(-50%); z-index: 999; width: min(960px,calc(100% - 2rem)); display: none; gap: 1rem; align-items: center; justify-content: space-between; padding: 1rem; border: 1px solid var(--border-light); border-radius: var(--radius-lg); background: rgba(26,26,46,.96); box-shadow: var(--shadow-lg); backdrop-filter: blur(16px); }
.cookie-banner.is-visible { display: flex; }
.cookie-banner p { color: var(--text-secondary); font-size: .95rem; }
.site-footer { border-top: 1px solid var(--border); padding: 2rem clamp(1rem,4vw,2rem); color: var(--text-muted); text-align: center; background: rgba(15,15,26,.72); }
.error-page { min-height: 100vh; display: grid; place-items: center; padding: 2rem; }
.error-box { width: min(760px,100%); padding: clamp(1.4rem,4vw,3rem); border: 1px solid var(--border-light); border-radius: var(--radius-lg); background: linear-gradient(145deg,var(--bg-card),var(--bg-tertiary)); box-shadow: var(--shadow-lg); text-align: center; }
.error-code { font-size: clamp(4rem,16vw,9rem); font-weight: 900; line-height: .9; color: var(--accent); letter-spacing: -.08em; }
.error-box h1 { margin: 1rem auto; font-size: clamp(2rem,6vw,3.8rem); }
.error-box p { color: var(--text-secondary); margin-bottom: 1.5rem; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } .grid { grid-template-columns: 1fr; } }
@media (max-width: 680px) { .nav { align-items: flex-start; flex-direction: column; } .nav-links { width: 100%; overflow-x: auto; padding-bottom: .2rem; } .hero-actions,.cookie-banner { flex-direction: column; align-items: stretch; } .btn { width: 100%; } }
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; } }