:root {
  color-scheme: light;
  --bg: #f7f3e8;
  --surface: #fffaf0;
  --surface-strong: #ffffff;
  --ink: #28313a;
  --muted: #69737d;
  --line: #ded4bf;
  --accent: #e65a3c;
  --accent-dark: #b83d27;
  --green: #347a4a;
  --blue: #225b8f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Sans",
    "Yu Gothic",
    "YuGothic",
    "Segoe UI",
    sans-serif;
  line-height: 1.75;
}

a {
  color: var(--accent-dark);
  font-weight: 700;
}

.site-header {
  background: var(--surface-strong);
  border-bottom: 1px solid var(--line);
}

.wrap {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}

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

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.hero {
  padding: 54px 0 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

main {
  padding: 0 0 56px;
}

.section {
  margin-top: 22px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.section h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.35;
}

.section h3 {
  margin: 20px 0 8px;
  font-size: 17px;
}

.section p {
  margin: 10px 0 0;
}

.section ul,
.section ol {
  margin: 10px 0 0;
  padding-left: 1.4em;
}

.section li + li {
  margin-top: 6px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.card {
  display: block;
  min-height: 132px;
  padding: 20px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
}

.card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.card span {
  color: var(--muted);
  font-weight: 500;
}

.note {
  padding: 14px 16px;
  background: #eef7f0;
  border-left: 4px solid var(--green);
  border-radius: 6px;
}

.site-footer {
  padding: 28px 0 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 36px;
  }

  .section {
    padding: 20px;
  }
}