:root {
  --primary: #ea5a26;
  --ink: #2d2a26;
  --bg: #faf7f4;
  --card: #ffffff;
  --muted: #8a827a;
  --accent: #f5a623;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
}
.container { max-width: 880px; margin: 0 auto; padding: 0 20px; }
header.site {
  background: linear-gradient(135deg, #ea5a26 0%, #f5a623 100%);
  color: #fff;
  padding: 14px 0;
}
header.site .container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-weight: 800; font-size: 1.3rem; letter-spacing: 0.05em; }
.logo small { font-weight: 400; font-size: 0.75rem; margin-left: 8px; opacity: 0.9; }
nav a { color: #fff; text-decoration: none; font-size: 0.85rem; margin-left: 16px; }
.hero { text-align: center; padding: 72px 20px 56px; }
.hero h1 { font-size: 2rem; line-height: 1.5; }
.hero h1 span { color: var(--primary); }
.hero p.lead { margin-top: 16px; color: var(--muted); }
.badge {
  display: inline-block; background: var(--primary); color: #fff;
  border-radius: 999px; padding: 4px 16px; font-size: 0.8rem; margin-bottom: 16px;
}
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 40px 0; }
.card { background: var(--card); border-radius: 14px; padding: 24px; box-shadow: 0 2px 10px rgba(45,42,38,0.06); }
.card h3 { color: var(--primary); font-size: 1rem; margin-bottom: 8px; }
.card p { font-size: 0.9rem; color: var(--ink); }
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin: 24px 0 48px; }
.price-card { background: var(--card); border: 2px solid #eee; border-radius: 14px; padding: 20px; text-align: center; }
.price-card.featured { border-color: var(--primary); }
.price-card .plan { font-weight: 700; }
.price-card .price { font-size: 1.6rem; font-weight: 800; color: var(--primary); margin: 8px 0; }
.price-card .price small { font-size: 0.8rem; color: var(--muted); font-weight: 400; }
.price-card p { font-size: 0.8rem; color: var(--muted); }
.cta {
  display: inline-block; background: var(--primary); color: #fff; text-decoration: none;
  border-radius: 999px; padding: 14px 36px; font-weight: 700; margin-top: 24px;
}
section.doc { background: var(--card); border-radius: 14px; padding: 32px; margin: 40px auto; box-shadow: 0 2px 10px rgba(45,42,38,0.06); }
section.doc h1 { font-size: 1.4rem; color: var(--primary); margin-bottom: 20px; }
section.doc h2 { font-size: 1.05rem; margin: 24px 0 8px; border-left: 4px solid var(--primary); padding-left: 10px; }
section.doc p, section.doc li { font-size: 0.92rem; }
section.doc ul, section.doc ol { padding-left: 22px; }
footer.site { text-align: center; padding: 32px 20px; color: var(--muted); font-size: 0.8rem; }
footer.site a { color: var(--muted); margin: 0 8px; }
@media (max-width: 600px) {
  .hero h1 { font-size: 1.4rem; }
  section.doc { padding: 22px; }
}