:root {
  --ink: #1f1a16;
  --muted: #6b5f58;
  --accent: #f28c29;
  --accent-soft: #ffe1c4;
  --paper: #fff7ef;
  --card: #ffffff;
  --shadow: 0 18px 40px rgba(31, 26, 22, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(242, 140, 41, 0.25), transparent 60%),
    radial-gradient(1000px 500px at 90% 0%, rgba(255, 215, 180, 0.45), transparent 60%),
    linear-gradient(180deg, #fffaf4 0%, #fff1e2 100%);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "Times New Roman", serif;
  line-height: 1.7;
}

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

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

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  padding: 28px 6vw 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  letter-spacing: 0.04em;
}

.brand .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(242, 140, 41, 0.15);
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

.hero {
  padding: 24px 6vw 0;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 40px);
  margin: 0 0 6px;
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}

.page {
  padding: 32px 6vw 64px;
  flex: 1;
}

.card {
  background: var(--card);
  padding: 28px clamp(20px, 4vw, 36px);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin-top: 0;
  font-size: clamp(22px, 4vw, 30px);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.card p,
.card li {
  color: var(--ink);
}

.section {
  margin-top: 24px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer {
  padding: 18px 6vw 36px;
  font-size: 12px;
  color: var(--muted);
}

.notice {
  background: rgba(255, 255, 255, 0.75);
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--muted);
  margin-top: 18px;
}

@media (max-width: 720px) {
  .header {
    padding-top: 20px;
  }

  .card {
    border-radius: 18px;
  }
}