:root {
  color-scheme: light;
  --bg: #f6f3ee;
  --card: #ffffff;
  --text: #1d1b16;
  --muted: #6a6356;
  --accent: #c0392b;
  --border: #e3dccf;
  --shadow: rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP",
    "Times New Roman", serif;
  background: radial-gradient(circle at top, #fff7e9, var(--bg));
  color: var(--text);
  line-height: 1.7;
}

.page {
  max-width: 900px;
  margin: 48px auto 80px;
  padding: 0 20px;
}

.page__header {
  background: var(--card);
  padding: 28px 28px 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px var(--shadow);
}

.brand {
  margin: 0 0 6px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 1.2rem + 1vw, 2.2rem);
}

.date {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.policy {
  margin-top: 32px;
  padding: 24px 26px;
  background: var(--card);
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px var(--shadow);
}

.policy h2 {
  margin-top: 0;
  font-size: 1.4rem;
}

.policy h3 {
  margin-bottom: 6px;
  margin-top: 18px;
  font-size: 1.05rem;
  color: var(--accent);
}

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

@media (max-width: 640px) {
  .page {
    margin: 32px auto 56px;
  }

  .page__header,
  .policy {
    padding: 20px;
  }
}