:root {
  --primary: #F97316;
  --primary-dark: #EA580C;
  --text: #1F2937;
  --text-muted: #6B7280;
  --bg: #FFFFFF;
  --bg-gray: #F9FAFB;
  --border: #E5E7EB;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, "Hiragino Sans", "Noto Sans JP", BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 80px 24px 96px;
  text-align: center;
}

.hero-inner { max-width: 720px; margin: 0 auto; }

.addressee {
  font-size: 14px;
  letter-spacing: 0.1em;
  opacity: 0.9;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 36px;
  line-height: 1.4;
  margin-bottom: 24px;
  font-weight: 700;
}

.hero .lead {
  font-size: 16px;
  opacity: 0.95;
  margin-bottom: 40px;
}

.cta {
  display: inline-block;
  background: white;
  color: var(--primary-dark);
  padding: 16px 40px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: transform 0.2s;
}

.cta:hover { transform: translateY(-2px); }

main { max-width: 960px; margin: 0 auto; }

.section {
  padding: 64px 24px;
}

.section.bg-gray { background: var(--bg-gray); }

.section h2 {
  font-size: 28px;
  margin-bottom: 24px;
  color: var(--primary-dark);
  border-left: 4px solid var(--primary);
  padding-left: 16px;
}

.section p {
  font-size: 16px;
  color: var(--text);
  max-width: 720px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.card {
  background: white;
  padding: 32px 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.card-no {
  display: inline-block;
  background: var(--primary);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  line-height: 40px;
  text-align: center;
  font-weight: 700;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--text);
}

.card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.contact-box {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin-top: 24px;
  max-width: 480px;
}

.contact-box p { margin: 8px 0; }
.contact-box a { color: var(--primary-dark); text-decoration: none; font-weight: 600; }

footer {
  background: var(--text);
  color: white;
  text-align: center;
  padding: 24px;
  font-size: 14px;
}

@media (max-width: 600px) {
  .hero { padding: 56px 20px 72px; }
  .hero h1 { font-size: 26px; }
  .section { padding: 48px 20px; }
  .section h2 { font-size: 22px; }
}