:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #f38020;
  --card: #f6f6f6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Hiragino Sans", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
}

.hero {
  padding: 96px 16px 72px;
  text-align: center;
  background: linear-gradient(180deg, #fff4ea, var(--bg));
}

.eyebrow { color: var(--accent); font-weight: 700; margin: 0; }
h1 { font-size: clamp(28px, 6vw, 48px); margin: 8px 0 16px; }
.lead { color: var(--muted); max-width: 560px; margin: 0 auto 32px; }

.cta {
  display: inline-block;
  padding: 14px 32px;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

main { max-width: 960px; margin: 0 auto; padding: 0 16px; }
section { padding: 56px 0; }
h2 { text-align: center; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.card { background: var(--card); border-radius: 12px; padding: 20px; }
.card h3 { margin-top: 0; }

form { display: grid; gap: 16px; max-width: 420px; margin: 0 auto; }
label { display: grid; gap: 4px; font-weight: 600; }
input { padding: 10px 12px; border: 1px solid #ccc; border-radius: 8px; font-size: 16px; }
.result { text-align: center; color: var(--accent); font-weight: 700; }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 32px 16px; }