:root {
  --bg: #f7f8f5;
  --fg: #1f2a24;
  --muted: #65746b;
  --line: #dfe5dc;
  --accent: #4f7d5a;
  --panel: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
  color: var(--fg);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

body {
  display: grid;
  place-items: center;
  padding: 32px 18px;
}

.maintenance {
  width: min(760px, 100%);
  padding: 44px clamp(24px, 6vw, 56px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 60px rgba(31, 42, 36, 0.08);
}

.badge {
  display: inline-block;
  margin-bottom: 22px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(79, 125, 90, 0.11);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.lead {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: clamp(16px, 2.4vw, 18px);
  line-height: 1.9;
}

.info {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.info strong {
  color: var(--fg);
}

.footer {
  margin-top: 34px;
  color: #879289;
  font-size: 12px;
}

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