:root {
  color-scheme: light dark;
  --ink: #122033;
  --muted: #566476;
  --paper: #f7f9fc;
  --card: #ffffff;
  --line: #dbe2ea;
  --navy: #18324f;
  --blue: #315e8b;
  --mist: #e8f0f8;
  --mint: #e6f3ef;
  --radius: 22px;
  --shadow: 0 18px 50px rgba(20, 44, 70, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}
a { color: var(--blue); }
a:hover { text-decoration-thickness: 2px; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.02em;
}
.brand img { width: 42px; height: 42px; object-fit: contain; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 650; }
.nav a:hover { color: var(--ink); }
.hero { padding: 84px 0 56px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--mist);
  color: var(--navy);
  font-weight: 750;
  font-size: .88rem;
  margin: 0 0 16px;
}
h1 {
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.055em;
  max-width: 780px;
}
h2 {
  margin: 0 0 14px;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -.025em;
}
h3 { margin: 0 0 8px; font-size: 1.08rem; }
.lead {
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  color: var(--muted);
  max-width: 720px;
  margin: 22px 0 0;
}
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 750;
  text-decoration: none;
  border: 1px solid var(--navy);
}
.btn.primary { background: var(--navy); color: white; }
.btn.secondary { color: var(--navy); background: transparent; }
.hero-card {
  background: linear-gradient(145deg, var(--mist), var(--mint));
  padding: 30px;
  border-radius: 32px;
  box-shadow: var(--shadow);
}
.hero-mark {
  width: 92px;
  height: 92px;
  border-radius: 24px;
  background: var(--card);
  display: grid;
  place-items: center;
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 24px;
}
.trust { display: grid; gap: 12px; }
.trust-row {
  background: color-mix(in srgb, var(--card) 82%, transparent);
  padding: 14px 16px;
  border-radius: 16px;
  font-weight: 650;
}
.section { padding: 62px 0; }
.section.soft { background: color-mix(in srgb, var(--mist) 55%, var(--paper)); }
.section-head { max-width: 760px; margin-bottom: 26px; }
.section-head p { margin: 0; color: var(--muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 8px 28px rgba(20, 44, 70, .05);
}
.card p { color: var(--muted); margin: 0; }
.icon {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--mist); color: var(--navy);
  font-weight: 900; margin-bottom: 16px;
}
.legal-shell { padding: 54px 0 72px; }
.legal-title { max-width: 800px; margin-bottom: 34px; }
.legal-title h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
.legal-title p { color: var(--muted); }
.legal {
  max-width: 860px;
  display: grid;
  gap: 16px;
}
.legal section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}
.legal section p, .legal section ul { margin: 0; color: var(--muted); }
.legal section ul { padding-left: 22px; }
.notice {
  padding: 18px 20px;
  border-left: 4px solid var(--blue);
  background: var(--mist);
  border-radius: 12px;
  color: var(--ink);
}
.faq { display: grid; gap: 12px; }
.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
}
.faq summary { cursor: pointer; font-weight: 750; }
.faq p { color: var(--muted); }
.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0 48px;
  color: var(--muted);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-brand { max-width: 600px; }
.footer-brand strong { color: var(--ink); }
.footer-links { display: flex; gap: 14px; flex-wrap: wrap; align-content: flex-start; }
.footer-links a { color: var(--muted); }
small { font-size: .86rem; }
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef4fb;
    --muted: #b1bfd0;
    --paper: #0d1722;
    --card: #142333;
    --line: #26394d;
    --navy: #d8e8f8;
    --blue: #9ac4ee;
    --mist: #172c41;
    --mint: #16322e;
    --shadow: 0 18px 50px rgba(0, 0, 0, .24);
  }
  .btn.primary { color: #102132; background: #d8e8f8; border-color: #d8e8f8; }
  .btn.secondary { color: var(--navy); }
  .brand img { filter: none; }
}
@media (max-width: 800px) {
  .hero { padding-top: 52px; }
  .hero-grid, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-grid { gap: 26px; }
  .header-inner { min-height: 64px; }
  .nav a:not(:last-child) { display: none; }
  .wrap { width: min(100% - 28px, 1120px); }
}