:root {
  --ink: #2b2523;
  --muted: #746965;
  --line: #eadfd9;
  --paper: #fffaf7;
  --soft: #f6ebe7;
  --blush: #d99b9a;
  --rose: #b86d74;
  --sage: #8d9b84;
  --champagne: #d7b978;
  --shadow: 0 18px 50px rgba(86, 62, 52, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 64px);
  background: rgba(255, 250, 247, .88);
  border-bottom: 1px solid rgba(234, 223, 217, .75);
  backdrop-filter: blur(16px);
}
.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(18px, 2vw, 26px);
  letter-spacing: 0;
}
.nav { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--muted); }
.nav a:hover { color: var(--rose); }

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(42px, 7vw, 92px) clamp(18px, 5vw, 72px) 42px;
}
.hero__copy { max-width: 650px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--rose);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1, h2, h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-weight: 500;
  line-height: 1.18;
}
h1 { font-size: clamp(42px, 6vw, 86px); }
h2 { font-size: clamp(28px, 3.8vw, 52px); }
h3 { font-size: clamp(20px, 2vw, 28px); }
.lead { max-width: 620px; color: var(--muted); font-size: clamp(16px, 1.4vw, 19px); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button, .small-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.button:hover, .small-button:hover { transform: translateY(-2px); background: var(--rose); border-color: var(--rose); }
.button--ghost { background: transparent; color: var(--ink); }
.hero__visual {
  height: min(68vh, 760px);
  min-height: 460px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.intro-strip {
  margin: 0 clamp(18px, 5vw, 72px);
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.intro-strip p { max-width: 780px; margin: 0; color: var(--muted); }
.small-button { min-height: 40px; border-color: var(--rose); background: var(--rose); white-space: nowrap; }

.ad-disclosure {
  margin: 18px clamp(18px, 5vw, 72px) 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdfb;
  color: var(--muted);
  font-size: 13px;
}
.ad-disclosure p { margin: 0; }

.section { padding: clamp(48px, 7vw, 92px) clamp(18px, 5vw, 72px); }
.section__heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}
.product-card {
  min-width: 0;
  background: #fffdfb;
  border: 1px solid rgba(234, 223, 217, .9);
  border-radius: 8px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.product-card__media img { transition: transform .45s ease; }
.product-card:hover img { transform: scale(1.05); }
.product-card__media span {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 250, 247, .9);
  font-size: 12px;
  color: var(--rose);
}
.product-card__body { padding: 18px; }
.product-card__body p:last-child { color: var(--muted); margin-bottom: 0; font-size: 14px; }
.product-card__meta {
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--rose);
}

.magazine {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
  background: linear-gradient(90deg, var(--soft), transparent);
}
.magazine p:last-child { color: var(--muted); max-width: 680px; }

.category-bands {
  display: grid;
  gap: 12px;
}
.category-band {
  display: grid;
  grid-template-columns: 180px minmax(180px, 320px) minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.category-band span { color: var(--rose); font-size: 13px; font-weight: 700; }
.category-band strong { font-family: Georgia, "Times New Roman", serif; font-size: 24px; font-weight: 500; }
.category-band em { color: var(--muted); font-style: normal; }

.product-hero {
  display: grid;
  grid-template-columns: minmax(300px, .95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(42px, 7vw, 92px) clamp(18px, 5vw, 72px);
  align-items: center;
}
.product-hero__image {
  aspect-ratio: 4 / 5;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.facts {
  display: grid;
  gap: 12px;
  margin: 26px 0;
}
.facts div { padding: 14px 0; border-top: 1px solid var(--line); }
.facts dt { color: var(--rose); font-size: 12px; font-weight: 700; }
.facts dd { margin: 2px 0 0; color: var(--muted); }
.detail-section { padding: clamp(42px, 7vw, 82px) clamp(18px, 5vw, 72px); background: #fffdfb; }
.detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 26px; }
.detail-grid > div { border-top: 1px solid var(--line); padding-top: 18px; }
.detail-grid p { color: var(--muted); }
.lp-hero .lead {
  color: var(--ink);
  font-size: clamp(18px, 1.8vw, 24px);
}
.editor-note {
  margin: 18px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--rose);
  background: #fffdfb;
  color: var(--muted);
}
.lp-section {
  padding: clamp(42px, 7vw, 82px) clamp(18px, 5vw, 72px);
}
.lp-section > p {
  max-width: 860px;
  color: var(--muted);
  font-size: 17px;
}
.lp-problem {
  background: #fffdfb;
}
.lp-problem h2,
.lp-section h2 {
  max-width: 900px;
  margin-bottom: 18px;
}
.lp-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
}
.check-list,
.scene-grid ul {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.check-list li,
.scene-grid li {
  position: relative;
  padding: 14px 0 14px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.check-list li::before,
.scene-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--rose);
}
.proof-card {
  position: sticky;
  top: 96px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdfb;
  box-shadow: var(--shadow);
}
.proof-grid {
  display: grid;
  gap: 14px;
  margin: 18px 0 22px;
}
.proof-grid div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.proof-grid span {
  display: block;
  color: var(--rose);
  font-size: 12px;
  font-weight: 700;
}
.proof-grid strong {
  display: block;
  margin-top: 3px;
  font-weight: 600;
}
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 26px;
}
.scene-grid > div {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.scene-grid p {
  color: var(--muted);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.gallery-grid figure {
  aspect-ratio: 4 / 5;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #fffdfb;
}
.faq-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
  margin-top: 24px;
}
.faq-list details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.faq-list summary {
  cursor: pointer;
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-size: 22px;
}
.faq-list p {
  margin: 12px 0 0;
  color: var(--muted);
}
.cta-panel {
  margin: clamp(42px, 7vw, 82px) clamp(18px, 5vw, 72px);
  padding: clamp(32px, 5vw, 58px);
  border-radius: 8px;
  background: var(--soft);
}
.cta-panel p { max-width: 680px; color: var(--muted); }

.legal-page {
  padding: clamp(42px, 7vw, 92px) clamp(18px, 5vw, 72px);
}
.legal-hero {
  max-width: 860px;
  margin-bottom: clamp(32px, 5vw, 56px);
}
.legal-body {
  max-width: 920px;
  display: grid;
  gap: 16px;
}
.legal-body h2 {
  margin-top: 18px;
  font-size: clamp(22px, 2.5vw, 34px);
}
.legal-body p {
  margin: 0;
  color: var(--muted);
}
.legal-updated {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 32px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.reveal { opacity: 1; transform: translateY(0); transition: transform .45s ease; }
.reveal.is-visible { transform: translateY(0); }

@media (max-width: 1000px) {
  .hero, .product-hero, .magazine, .lp-split { grid-template-columns: 1fr; }
  .hero__visual { min-height: 360px; height: 50vh; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-grid, .scene-grid { grid-template-columns: 1fr; }
  .proof-card { position: static; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .hero { min-height: auto; }
  .hero__visual { min-height: 280px; border-radius: 18px; }
  .intro-strip, .section__heading, .footer { align-items: flex-start; flex-direction: column; }
  .product-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .category-band { grid-template-columns: 1fr; gap: 4px; }
  .product-hero__image { border-radius: 18px; }
}
