:root {
  color-scheme: light;
  --background: #fbfaf7;
  --surface: #ffffff;
  --text: #19181a;
  --muted: #6f6b70;
  --line: #e8e1da;
  --accent: #8b67e8;
  --accent-soft: #f0eaff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: var(--accent);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 247, 0.96);
}

.site-header-inner,
.page {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: var(--text);
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
  font-weight: 700;
}

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

.page {
  padding: 64px 0 88px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0 12px;
  font-size: clamp(36px, 7vw, 56px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 42px 0 10px;
  font-size: 22px;
  line-height: 1.3;
}

p,
li {
  color: var(--muted);
}

ul,
ol {
  padding-left: 24px;
}

.updated {
  margin: 0 0 42px;
  color: var(--muted);
  font-size: 14px;
}

.action {
  display: inline-flex;
  min-height: 46px;
  margin-top: 14px;
  padding: 0 20px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
}

.notice {
  margin: 28px 0;
  padding: 18px 20px;
  border: 1px solid #d9cdf7;
  border-radius: 8px;
  background: var(--accent-soft);
}

.notice p {
  margin: 0;
  color: #4f426b;
}

.link-list {
  display: grid;
  gap: 12px;
  margin-top: 32px;
}

.link-list a {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

footer {
  padding: 26px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 600px) {
  .site-header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 15px 0;
  }

  .nav {
    gap: 14px;
    flex-wrap: wrap;
  }

  .page {
    padding-top: 44px;
  }
}