* { box-sizing: border-box; }
:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --soft: #efede7;
  --text: #1f2328;
  --muted: #6d726f;
  --line: #dedbd3;
  --accent: #293c32;
  --accent-dark: #1d2c25;
  --shadow: 0 14px 40px rgba(26,35,30,.08);
  --radius: 24px;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; height: auto; }
main { overflow: hidden; }
.hero, .section, .cta-section { padding: 72px 20px; }
.hero {
  padding-top: 44px;
  background: radial-gradient(circle at 80% 12%, rgba(41,60,50,.08), transparent 30%), var(--bg);
}
.hero__inner, .section__inner, .cta-section__inner { width: min(100%, 980px); margin: 0 auto; }
.eyebrow, .section-kicker {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 8vw, 4.8rem);
  line-height: 1.08;
  letter-spacing: -.04em;
}
h2 {
  margin-bottom: 20px;
  font-size: clamp(1.7rem, 5vw, 3rem);
  line-height: 1.25;
  letter-spacing: -.03em;
}
h3 { margin-bottom: 10px; font-size: 1.12rem; }
.lead { margin-bottom: 30px; color: var(--muted); font-size: 1.05rem; }
.hero__image { margin-top: 34px; }
.card, .image-card {
  overflow: hidden;
  border: 1px solid rgba(31,35,40,.07);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.hero__image img { max-height: 720px; object-fit: cover; object-position: center 70%; }
.section--soft { background: var(--soft); }
.section-copy { max-width: 760px; color: #3f4542; font-size: 1rem; }
.spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin-top: 30px; }
.spec-card { padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.spec-label { display: block; margin-bottom: 6px; color: var(--muted); font-size: .82rem; }
.spec-card strong { display: block; font-size: 1.35rem; line-height: 1.25; }
.two-col { display: grid; gap: 34px; }
.image-card img { aspect-ratio: 4/5; object-fit: cover; }
.note { margin-top: 18px; padding: 14px 16px; border-left: 3px solid var(--accent); background: rgba(255,255,255,.52); color: var(--muted); font-size: .9rem; }
.check-list { display: grid; gap: 12px; margin-top: 28px; }
.check-list div { position: relative; padding: 16px 18px 16px 48px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.check-list div::before { content: "✓"; position: absolute; left: 18px; top: 14px; color: var(--accent); font-weight: 900; }
.honest-box { margin-top: 22px; padding: 20px; border-radius: 18px; background: #ece7dc; }
.honest-box p { margin: 4px 0 0; color: #4e514d; }
.info-grid { display: grid; gap: 16px; margin-top: 28px; }
.info-card { padding: 24px; border: 1px solid rgba(31,35,40,.07); border-radius: 20px; background: var(--surface); }
.info-card p { margin-bottom: 0; color: var(--muted); }
.info-icon { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 16px; border-radius: 50%; background: var(--accent); color: #fff; font-size: .8rem; font-weight: 800; }
.cta-section { background: var(--accent); color: #fff; }
.cta-section .section-kicker { color: #d4dfd7; }
.cta-section h2 { color: #fff; }
.cta-copy { margin-bottom: 26px; color: #d9e2dc; }
.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 64px;
  padding: 16px 20px;
  border-radius: 18px;
  background: #fff;
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 800;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,.14);
  transition: transform .2s ease, box-shadow .2s ease;
}
.cta-button:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(0,0,0,.18); }
.affiliate-note { margin: 14px 0 0; color: #cbd7d0; font-size: .8rem; text-align: center; }
@media (min-width: 760px) {
  .hero, .section, .cta-section { padding: 96px 32px; }
  .hero { padding-top: 64px; }
  .spec-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .two-col { grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); align-items: center; }
  .info-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .cta-button { width: auto; min-width: 420px; display: inline-flex; }
  .affiliate-note { text-align: left; }
}