:root {
  --background: #f6f2ec;
  --surface: #fffdf9;
  --text: #25221f;
  --muted: #736b62;
  --accent: #7d5f45;
  --accent-dark: #4b3727;
  --border: rgba(75, 55, 39, 0.16);
  --shadow: 0 24px 80px rgba(75, 55, 39, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(120deg, rgba(125, 95, 69, 0.08), transparent 38%),
    radial-gradient(circle at 84% 16%, rgba(146, 128, 104, 0.18), transparent 28%),
    var(--background);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: clamp(24px, 6vw, 72px);
}

.notice-card {
  width: min(100%, 640px);
  padding: clamp(32px, 6vw, 64px);
  text-align: center;
  background: color-mix(in srgb, var(--surface) 94%, white);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.brand-mark {
  display: grid;
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  place-items: center;
  color: #fff;
  background: var(--accent-dark);
  border-radius: 50%;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-name {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 12vw, 5.8rem);
  font-weight: 500;
  line-height: 0.95;
}

.message {
  max-width: 480px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 2vw, 1.18rem);
  line-height: 1.7;
}

.contact {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
  font-weight: 700;
  text-underline-offset: 0.2em;
}

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

@media (max-width: 520px) {
  .notice-card {
    padding: 32px 22px;
  }

  .brand-mark {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
  }
}