:root {
  color-scheme: light dark;
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, 0.06);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  --accent: #5eead4;
  --accent2: #60a5fa;
  --radius: 16px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --panel: rgba(0, 0, 0, 0.04);
    --text: rgba(0, 0, 0, 0.88);
    --muted: rgba(0, 0, 0, 0.62);
    --border: rgba(0, 0, 0, 0.12);
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
    --accent: #0ea5e9;
    --accent2: #22c55e;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Hiragino Sans", "Noto Sans JP", "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: radial-gradient(1200px 800px at 20% 10%, rgba(94, 234, 212, 0.18), transparent 55%),
    radial-gradient(1000px 700px at 85% 15%, rgba(96, 165, 250, 0.18), transparent 55%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand__mark {
  font-size: 18px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  border: 1px solid var(--border);
  letter-spacing: -0.3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav__link {
  font-weight: 600;
  color: var(--muted);
}

.nav__link--cta {
  color: var(--text);
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 55%, transparent);
}

.hero {
  padding: 56px 0 28px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 22px;
  align-items: start;
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
  }
}

h1 {
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.12;
  margin: 12px 0;
}

h2 {
  font-size: 24px;
  margin: 0 0 14px;
}

h3 {
  font-size: 18px;
  margin: 0 0 6px;
}

.lead {
  color: var(--muted);
  margin: 0 0 18px;
}

.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  margin: 0;
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0 8px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid var(--border);
}

.button--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #071018;
  border: none;
}

.button--ghost {
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  color: var(--text);
}

.fineprint {
  color: var(--muted);
  font-size: 13px;
  margin: 12px 0 0;
}

.hero__card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 65%, transparent);
  box-shadow: var(--shadow);
  padding: 18px;
}

.stat__label {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.3px;
}

.stat__value {
  font-size: 22px;
  font-weight: 800;
  margin-top: 2px;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.bullets {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section {
  padding: 34px 0;
}

.section--alt {
  background: color-mix(in srgb, var(--panel) 40%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

@media (max-width: 1000px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  padding: 16px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.faq {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  padding: 14px 16px;
  margin: 10px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.faq p {
  margin: 10px 0 0;
  color: var(--muted);
}

.final-cta {
  text-align: center;
}

.footer {
  padding: 26px 0;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer__links {
  display: flex;
  gap: 14px;
  color: var(--muted);
  font-weight: 600;
}

.footer__copy {
  color: var(--muted);
}