:root {
  --bg: #f7f4ec;
  --surface: #fffdf8;
  --surface-strong: #f1ead8;
  --text: #1f1b16;
  --muted: #6f665c;
  --accent: #8f5a2a;
  --accent-strong: #5f3614;
  --border: #ded2bf;
  --shadow: 0 18px 40px rgba(62, 43, 20, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(143, 90, 42, 0.12), transparent 28%),
    linear-gradient(180deg, #fcfaf4 0%, var(--bg) 100%);
  line-height: 1.75;
}

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

.shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  padding: 64px 0 32px;
}

.hero-card,
.content-card {
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 40px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(36px, 6vw, 56px);
}

h2 {
  margin-top: 40px;
  font-size: clamp(26px, 4vw, 34px);
}

h3 {
  margin-top: 28px;
  font-size: 22px;
}

.lede {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.nav a,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  text-decoration: none;
  font-weight: 700;
}

.button-link.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fffdf8;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.content {
  padding: 0 0 80px;
}

.content-card {
  padding: 32px;
}

.faq-item + .faq-item {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

ul,
ol {
  padding-left: 1.2rem;
}

.footer {
  padding: 32px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 28px;
  }

  .hero-card,
  .content-card {
    padding: 24px;
    border-radius: 22px;
  }

  h1 {
    font-size: 34px;
  }
}