:root {
  --bg: #fdf8ee;
  --card: #ffffff;
  --ink: #4a3f35;
  --sub: #8a7d70;
  --accent: #f2b632;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 24px;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Maru Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.8;
  text-align: center;
}

.card {
  width: 100%;
  max-width: 440px;
  padding: 40px 28px 36px;
  background: var(--card);
  border-radius: 32px;
  border: 3px solid #f6e7c4;
}

.book { width: 120px; height: auto; }

.brand {
  margin: 8px 0 0;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: var(--sub);
}

h1 {
  margin: 4px 0 8px;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
}

.lead { margin: 0 0 16px; font-size: 1.1rem; }

.note { margin: 0; font-size: 0.9rem; color: var(--sub); }

.button {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: bold;
  text-decoration: none;
}

footer { font-size: 0.8rem; color: var(--sub); }