* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  line-height: 1.7;
  color: #26352a;
  background: #fffdf8;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1080px; margin-inline: auto; padding-inline: 20px; }
h1, h2, h3 { text-wrap: balance; line-height: 1.4; }
h1 { font-size: clamp(30px, 5vw, 48px); color: #173a25; letter-spacing: .04em; }
h2 { font-size: clamp(24px, 4vw, 34px); color: #21472f; margin-bottom: 24px; }
h3 { font-size: clamp(17px, 2.5vw, 20px); color: #26442d; margin-bottom: 8px; }
p, li, summary { font-size: clamp(14px, 2.4vw, 16px); }
.section-img { width: 100%; height: auto; display: block; object-fit: cover; object-position: center; }
.sp-only { display: none; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,253,248,.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e8e2d3;
}
.header-inner {
  min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { font-weight: 800; font-size: 22px; color: #183b25; letter-spacing: .08em; }
.nav { display: flex; gap: 20px; font-size: 14px; color: #42513f; }
.header-cta {
  min-height: 48px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0 20px; border-radius: 999px; color: #fff; background: #20a41e;
  font-weight: 700; box-shadow: 0 10px 24px rgba(32,164,30,.22);
}

.hero {
  padding: 56px 0 72px;
  background:
    radial-gradient(circle at 88% 18%, rgba(129,168,111,.25), transparent 36%),
    linear-gradient(135deg, #fffdf8 0%, #f5f0e4 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px; }
.eyebrow, .section-label {
  color: #6d7f3e; font-weight: 800; letter-spacing: .08em; margin-bottom: 12px;
}
.lead { margin: 22px 0 24px; color: #4b5748; max-width: 580px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.trust-list span {
  background: #fff; border: 1px solid #eadfca; border-radius: 999px;
  padding: 10px 14px; font-size: 14px; box-shadow: 0 10px 24px rgba(82,72,50,.08);
}
.price-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 540px;
  background: rgba(255,255,255,.8); border: 1px solid #eadfca; padding: 18px;
  border-radius: 18px; margin-bottom: 24px; box-shadow: 0 18px 40px rgba(82,72,50,.08);
}
.campaign { display: inline-block; background: #8ca55e; color: #fff; padding: 3px 10px; border-radius: 999px; font-size: 12px; margin-bottom: 6px; }
.price-card strong { color: #e45c2a; font-size: clamp(28px, 5vw, 42px); line-height: 1; }
.normal-price { color: #26352a !important; font-size: 26px !important; }
.cta-button {
  min-height: 56px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0 32px; border-radius: 12px; color: #fff; background: #20a41e;
  font-weight: 800; box-shadow: 0 14px 28px rgba(32,164,30,.24);
}
.hero-visual img {
  aspect-ratio: 7 / 5; object-fit: cover; object-position: center; border-radius: 28px;
  box-shadow: 0 24px 60px rgba(59,50,36,.16);
}

.section { padding: 80px 0; }
.problem { background: #fff; }
.solution, .price, .faq { background: #f7f3ea; }
.split { display: grid; grid-template-columns: 1fr .7fr; gap: 48px; align-items: center; }
.reverse { grid-template-columns: .9fr 1fr; }
.check-list { list-style: none; display: grid; gap: 14px; }
.check-list li {
  padding-left: 34px; position: relative; background: #fff; padding-top: 14px; padding-bottom: 14px; padding-right: 18px;
  border-radius: 14px; border: 1px solid #eee5d5;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 14px; color: #6d8f45; font-weight: 900;
}
.small-visual img { border-radius: 24px; aspect-ratio: 4 / 3; object-fit: cover; object-position: center; }
.visual-card, .wide-visual, .reason-photo {
  background: #fff; padding: 12px; border: 1px solid #eadfca; border-radius: 24px;
  box-shadow: 0 18px 36px rgba(82,72,50,.08);
}
.visual-card img { border-radius: 16px; aspect-ratio: 3 / 2; object-fit: cover; object-position: center; }
.reason-grid { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); gap: 18px; }
.card, .step-grid article, .price-box, details {
  background: #fff; border: 1px solid #eadfca; border-radius: 20px;
  padding: 24px; box-shadow: 0 14px 32px rgba(82,72,50,.07);
}
.reason-photo img { height: 100%; min-height: 240px; object-fit: cover; object-position: center; border-radius: 16px; }
.icon { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 50%; background: #f0eadc; color: #74894d; font-weight: 800; margin-bottom: 14px; }

.wide-visual { margin-bottom: 28px; }
.wide-visual img { border-radius: 16px; aspect-ratio: 16 / 9; object-fit: cover; object-position: center; }
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step-grid strong {
  display: inline-flex; width: 32px; height: 32px; border-radius: 50%;
  align-items: center; justify-content: center; color: #fff; background: #7a8f52; margin-bottom: 12px;
}
.price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 760px; margin-inline: auto; }
.price-box { text-align: center; }
.price-box span { color: #7a8f52; font-weight: 800; }
.price-box .amount { color: #e45c2a; font-size: clamp(38px, 7vw, 56px); font-weight: 900; line-height: 1.1; margin: 12px 0; }
.price-box.featured { border: 2px solid #b1a066; }

.flow-list { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: flow; }
.flow-list li { background: #fff; border: 1px solid #eadfca; border-radius: 18px; padding: 22px; }
.flow-list strong { display: block; color: #21472f; margin-bottom: 8px; }
.flow-list span { color: #566254; font-size: 14px; }

.faq-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
summary { cursor: pointer; font-weight: 800; color: #21472f; }
details p { margin-top: 12px; color: #566254; }

.final-cta {
  padding: 72px 0; background:
  radial-gradient(circle at 8% 50%, rgba(126,157,86,.22), transparent 28%),
  linear-gradient(135deg, #fffdf8, #f0eadc);
}
.final-grid { display: grid; grid-template-columns: 1fr 220px; gap: 40px; align-items: center; text-align: center; }
.final-grid h2 { color: #183b25; }
.cta-visual { width: 220px; aspect-ratio: 1 / 1; object-fit: cover; object-position: center; border-radius: 999px; justify-self: center; }

.footer { padding: 32px 0; color: #fff; background: #1f3d28; text-align: center; }
.footer p { margin-bottom: 6px; }

@media (max-width: 768px) {
  .sp-only { display: inline; }
  .nav { display: none; }
  .header-inner { min-height: 64px; }
  .brand { font-size: 18px; }
  .header-cta { min-height: 48px; padding: 0 14px; font-size: 14px; }
  .hero { padding: 40px 0 56px; }
  .hero-grid, .split, .reverse, .final-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy { order: 1; }
  .hero-visual { order: 2; }
  .price-card, .price-grid, .faq-list, .step-grid, .flow-list, .reason-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .cta-button { width: 100%; min-height: 56px; padding: 0 18px; }
  .wide-visual img { aspect-ratio: 16 / 9; }
  .flow-list li, .card, .step-grid article, .price-box, details { padding: 20px; }
  .cta-visual { width: 180px; }
}