:root {
  --page: #080a0e;
  --surface: #10151d;
  --border: rgba(255, 255, 255, 0.1);
  --text: #f7f9fc;
  --muted: #a9b4c4;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 280px;
  background: var(--page);
  color: var(--text);
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}
a { color: inherit; }
.legal-shell { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }

.legal-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 10, 14, 0.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; flex: 0 0 auto; }
.brand img { display: block; width: 180px; height: auto; }
.legal-nav { display: flex; align-items: center; gap: 6px; }
.legal-nav a {
  padding: 9px 13px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
}
.legal-nav a:hover,
.legal-nav a:focus-visible,
.legal-nav a.active { background: rgba(255, 255, 255, 0.07); color: var(--text); outline: none; }
.legal-nav .home-link { margin-left: 6px; border: 1px solid var(--border); }

.legal-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(circle at 80% 15%, rgba(143, 18, 253, 0.22), transparent 33%),
    radial-gradient(circle at 15% 90%, rgba(66, 148, 227, 0.18), transparent 35%),
    #10151d;
}
.hero-inner { padding-block: 76px 72px; }
.eyebrow {
  margin: 0 0 10px;
  color: #9fc5ff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.hero-copy { max-width: 720px; margin: 22px 0 0; color: #c5cfdd; font-size: clamp(1rem, 2vw, 1.15rem); }
.updated {
  display: inline-flex;
  margin: 28px 0 0;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  font-size: 0.76rem;
}

.legal-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
  padding-block: 64px 96px;
}
.contents-card {
  position: sticky;
  top: 108px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}
.contents-card > p {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.contents-card ol { margin: 0; padding: 0; list-style: none; }
.contents-card li + li { margin-top: 5px; }
.contents-card a {
  display: block;
  padding: 5px 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
  text-decoration: none;
}
.contents-card a:hover,
.contents-card a:focus-visible { color: var(--text); outline: none; }

.legal-article { min-width: 0; }
.legal-article section { scroll-margin-top: 110px; }
.legal-article section + section { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--border); }
.legal-article h2 {
  margin: 0 0 18px;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
}
.legal-article h3 { margin: 28px 0 8px; font-size: 1rem; }
.legal-article p,
.legal-article li { color: #b8c2d0; font-size: 0.94rem; }
.legal-article p { margin: 0 0 16px; }
.legal-article ul { margin: 12px 0 20px; padding-left: 22px; }
.legal-article li + li { margin-top: 10px; }
.legal-article strong { color: #e7ebf2; }
.legal-article a { color: #9fc5ff; text-underline-offset: 3px; }

.terms-layout { padding-block: 56px 88px; }
.terms-intro { max-width: 760px; margin: 0 0 30px; color: #b8c2d0; font-size: 0.94rem; }
.language-document { border: 1px solid var(--border); border-radius: 18px; background: var(--surface); overflow: hidden; }
.language-document + .language-document { margin-top: 16px; }
.language-document summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; cursor: pointer; font-weight: 600; list-style: none;
}
.language-document summary::-webkit-details-marker { display: none; }
.language-document summary::after { content: "+"; color: var(--muted); font-size: 1.4rem; font-weight: 400; }
.language-document[open] summary::after { content: "−"; }
.language-document summary small { margin-left: auto; color: var(--muted); font-size: 0.72rem; font-weight: 400; }
.document-pages { display: grid; gap: 18px; padding: 20px; border-top: 1px solid var(--border); background: #0b0e13; }
.document-pages img { display: block; width: 100%; height: auto; border-radius: 12px; background: #fff; }

.notice-card,
.contact-card {
  padding: 28px;
  border: 1px solid rgba(109, 168, 255, 0.22) !important;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(66, 148, 227, 0.1), rgba(143, 18, 253, 0.08));
}
.contact-card { margin-top: 56px !important; }
.notice-card h2,
.contact-card h2 { margin-bottom: 10px; }
.notice-card p:last-child,
.contact-card p:last-child { margin-bottom: 0; }

.legal-footer { border-top: 1px solid var(--border); background: var(--surface); }
.footer-inner {
  min-height: 124px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.footer-inner img { width: 160px; height: auto; }
.footer-inner p { justify-self: end; margin: 0; color: #7f8b9d; font-size: 0.72rem; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--muted); font-size: 0.76rem; text-decoration: none; }
.footer-links a:hover,
.footer-links a:focus-visible { color: var(--text); outline: none; }

@media (max-width: 820px) {
  .legal-layout { grid-template-columns: 1fr; gap: 36px; }
  .contents-card { position: static; }
  .contents-card ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 18px; }
  .footer-inner { grid-template-columns: 1fr auto; padding-block: 26px; }
  .footer-inner p { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 600px) {
  .terms-layout { padding-block: 36px 64px; }
  .language-document summary { padding: 17px 18px; }
  .document-pages { gap: 10px; padding: 10px; }
  .legal-shell { width: min(100% - 32px, 1120px); }
  .header-inner { min-height: 68px; }
  .brand img { width: 142px; }
  .legal-nav a:not(.home-link) { display: none; }
  .legal-nav .home-link { margin-left: 0; padding: 8px 10px; font-size: 0.74rem; }
  .hero-inner { padding-block: 54px 50px; }
  h1 { font-size: clamp(2.15rem, 13vw, 3.3rem); }
  .legal-layout { padding-block: 36px 64px; }
  .contents-card { padding: 18px; }
  .contents-card ol { grid-template-columns: 1fr; }
  .legal-article section + section { margin-top: 38px; padding-top: 38px; }
  .legal-article p,
  .legal-article li { font-size: 0.9rem; }
  .notice-card,
  .contact-card { padding: 22px; }
  .footer-inner { grid-template-columns: 1fr; justify-items: center; padding-block: 30px; text-align: center; }
  .footer-inner p { grid-column: auto; justify-self: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}

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