:root {
  color-scheme: light;
  --bg: #f5fbf8;
  --card: #ffffff;
  --text: #172026;
  --muted: #5b6670;
  --accent: #00bfc8;
  --orange: #ff8a2a;
  --line: #dce8e5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(160deg, #fff8ed 0%, var(--bg) 48%, #eef9ff 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.75;
}

.page {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  padding: 32px 0 20px;
}

.badge {
  display: inline-block;
  margin: 0 0 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(0, 191, 200, 0.14);
  color: #007f86;
  font-weight: 700;
  font-size: 14px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

h3 {
  margin: 22px 0 6px;
  font-size: 18px;
}

p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 16px;
}

a {
  color: #007f86;
  font-weight: 700;
}

.card {
  margin: 18px 0;
  padding: 24px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(23, 32, 38, 0.08);
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 24px, 920px);
    padding: 28px 0;
  }

  .card {
    padding: 18px;
  }
}