:root {
  color-scheme: light;
  --bg-top: #f4efe2;
  --bg-bottom: #dcc39a;
  --card-bg: rgba(255, 250, 240, 0.82);
  --card-border: rgba(113, 74, 32, 0.18);
  --text-main: #2f2418;
  --text-muted: #7d6143;
  --shadow: 0 24px 60px rgba(66, 43, 19, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.6), transparent 42%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--text-main);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.notice-card {
  width: min(100%, 480px);
  padding: 48px 32px;
  border: 1px solid var(--card-border);
  border-radius: 24px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  text-align: center;
  backdrop-filter: blur(8px);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 8vw, 3.8rem);
  line-height: 1.05;
}