*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --bg: #fbfaf7;
  --paper: #ffffff;
  --ink: #202622;
  --muted: #68736b;
  --line: #e5dfd6;
  --primary: #2f6b57;
  --primary-ink: #ffffff;
  --secondary: #f4efe6;
  --secondary-ink: #2f4f43;
  --accent: #d7a95f;
  --soft: #eef5f1;
  --shadow: 0 18px 48px rgba(37, 43, 38, 0.12);
  --radius: 8px;
  color-scheme: light;
}

body {
  margin: 0;
  padding-bottom: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
}

body.theme-sensitive {
  --primary: #34786a;
  --secondary: #eaf4f0;
  --secondary-ink: #275a51;
  --accent: #c99572;
  --soft: #f0f7f5;
}

body.theme-aging {
  --primary: #7a4d58;
  --secondary: #f6edf0;
  --secondary-ink: #67404a;
  --accent: #b98a45;
  --soft: #faf2f4;
}

body.theme-story {
  --primary: #5f6542;
  --secondary: #f2f1e8;
  --secondary-ink: #53583a;
  --accent: #be9a5d;
  --soft: #f8f6ec;
}

body.theme-ingredient {
  --primary: #365f76;
  --secondary: #edf4f7;
  --secondary-ink: #2c5166;
  --accent: #9a8a51;
  --soft: #f1f7fa;
}

body.theme-subscription {
  --primary: #525c84;
  --secondary: #eef0f8;
  --secondary-ink: #454e72;
  --accent: #c48a63;
  --soft: #f4f5fb;
}

body.theme-home {
  --primary: #6d5a3c;
  --secondary: #f2eadc;
  --secondary-ink: #5e4c32;
  --accent: #c59a4b;
  --soft: #f7f1e7;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(229, 223, 214, 0.9);
  background: rgba(251, 250, 247, 0.9);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  line-height: 1;
}

.brand-logo {
  width: 132px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 999px;
  text-decoration: none;
}

.nav-cta {
  background: var(--primary);
  color: var(--primary-ink);
}

.section {
  padding: 84px 0;
}

.section.tight {
  padding: 56px 0;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 64px);
  display: grid;
  align-items: center;
  padding: 42px 0 60px;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.4)),
    radial-gradient(circle at 78% 24%, var(--secondary) 0, transparent 34%),
    linear-gradient(135deg, var(--soft), var(--bg));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  gap: 54px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--primary);
  font-weight: 800;
  font-size: 14px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--primary);
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.22;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.45;
}

.lead {
  max-width: 680px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
}

.hero-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.quick-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.quick-nav a {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.trust-badges span {
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--secondary-ink);
  font-size: 13px;
  font-weight: 800;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1.35;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(32, 38, 34, 0.14);
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-ink);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-ink);
  border-color: rgba(47, 107, 87, 0.12);
}

.hero-visual {
  min-height: 520px;
  position: relative;
  display: grid;
  place-items: center;
}

.product-scene {
  width: min(100%, 440px);
  aspect-ratio: 0.9;
  position: relative;
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.3)),
    var(--secondary);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.product-scene::before {
  content: "";
  position: absolute;
  inset: auto -20% -16% -20%;
  height: 44%;
  background: rgba(255, 255, 255, 0.52);
  transform: rotate(-5deg);
}

.product-photo {
  position: absolute;
  inset: 32px 32px 62px;
  width: calc(100% - 64px);
  height: calc(100% - 94px);
  object-fit: contain;
  filter: drop-shadow(0 24px 34px rgba(32, 38, 34, 0.18));
  z-index: 2;
}

.product-photo.duo {
  inset: 18px 20px 58px;
  width: calc(100% - 40px);
  height: calc(100% - 76px);
}

.drop {
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
}

.drop.one {
  width: 76px;
  height: 76px;
  top: 72px;
  right: 42px;
}

.drop.two {
  width: 42px;
  height: 42px;
  left: 58px;
  bottom: 118px;
}

.drop.three {
  width: 28px;
  height: 28px;
  right: 86px;
  bottom: 74px;
}

.caption-card {
  position: absolute;
  right: -4px;
  bottom: 34px;
  width: 190px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 40px rgba(32, 38, 34, 0.12);
  font-size: 13px;
  line-height: 1.6;
  z-index: 3;
}

.image-panel {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.image-panel img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.image-panel.contain {
  padding: 24px;
}

.image-panel.contain img {
  min-height: 0;
  object-fit: contain;
}

.product-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
}

.product-card h3 {
  margin-top: 14px;
}

.entry-card {
  position: relative;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: inherit;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.entry-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary), white 45%);
  box-shadow: var(--shadow);
}

.entry-card .price-tag {
  margin-bottom: 14px;
}

.entry-card p {
  color: var(--muted);
}

.ingredient-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--paper), rgba(255, 255, 255, 0.72));
}

.reason-grid,
.ingredient-grid,
.guide-grid,
.usage-steps,
.profile-grid,
.next-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.reason-card,
.guide-card,
.legal-note,
.usage-step,
.profile-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.guide-card,
.next-links a {
  color: inherit;
  text-decoration: none;
}

.guide-card p,
.reason-card p,
.ingredient-card p,
.usage-step p,
.profile-card p,
.legal-note p,
.entry-card p {
  color: var(--muted);
}

.full-ingredient-toggle {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.full-ingredient-toggle summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 900;
}

.full-ingredient-toggle p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
  font-size: 14px;
}

.story-timeline {
  display: grid;
  gap: 14px;
  counter-reset: storyStep;
}

.story-timeline .usage-step {
  position: relative;
  padding-left: 72px;
}

.story-timeline .usage-step::before {
  counter-increment: storyStep;
  content: counter(storyStep);
  position: absolute;
  left: 22px;
  top: 24px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}

.usage-steps {
  counter-reset: usageStep;
}

.usage-step::before {
  counter-increment: usageStep;
  content: "STEP " counter(usageStep);
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
}

.profile-card img {
  width: 100%;
  max-height: 240px;
  object-fit: contain;
  margin-bottom: 14px;
}

.product-card .price {
  margin-bottom: 8px;
  color: var(--primary);
  font-weight: 900;
}

.comparison {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.comparison th,
.comparison td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.comparison th {
  background: var(--secondary);
  color: var(--secondary-ink);
}

.comparison tr:last-child td {
  border-bottom: 0;
}

.comparison .btn {
  min-height: 42px;
  padding: 10px 16px;
  white-space: nowrap;
}

.comparison-table,
.purchase-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td,
.purchase-table th,
.purchase-table td {
  padding: 17px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.comparison-table th,
.purchase-table th {
  background: var(--secondary);
  color: var(--secondary-ink);
}

.comparison-table tr:last-child td,
.purchase-table tr:last-child td {
  border-bottom: 0;
}

.next-links a {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  font-weight: 900;
}

.legal-note {
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--secondary), white 58%);
}

.message-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: end;
}

.message-card {
  padding: 18px 18px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--paper), var(--soft));
  text-align: center;
}

.message-card img {
  margin: 0 auto;
  max-height: 260px;
  object-fit: contain;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 48px;
  align-items: start;
}

.section-copy {
  color: var(--muted);
  font-size: 17px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.card strong,
.check-list strong {
  color: var(--primary);
}

.icon {
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--secondary);
  color: var(--primary);
  font-weight: 900;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li {
  padding: 16px 18px;
  border-left: 4px solid var(--primary);
  background: var(--paper);
}

.concern-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.concern-checklist li {
  position: relative;
  padding: 15px 16px 15px 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.concern-checklist li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 22px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--primary);
  border-radius: 3px;
}

.band {
  background: var(--soft);
}

.proof-table {
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
}

.proof-row {
  display: grid;
  grid-template-columns: 210px 1fr;
  border-top: 1px solid var(--line);
}

.proof-row:first-child {
  border-top: 0;
}

.proof-row dt,
.proof-row dd {
  margin: 0;
  padding: 18px 20px;
}

.proof-row dt {
  background: var(--secondary);
  color: var(--secondary-ink);
  font-weight: 800;
}

.timeline {
  display: grid;
  gap: 16px;
  counter-reset: story;
}

.timeline .card {
  position: relative;
  padding-left: 72px;
}

.timeline .card::before {
  counter-increment: story;
  content: counter(story, decimal-leading-zero);
  position: absolute;
  left: 24px;
  top: 25px;
  color: var(--accent);
  font-weight: 900;
}

.offer {
  padding: 34px;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}

.offer-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.offer-card.featured {
  border-color: color-mix(in srgb, var(--primary), white 38%);
  background: var(--soft);
}

.price-tag {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.faq {
  display: grid;
  gap: 12px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.faq summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 800;
}

.faq p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: none;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: rgba(251, 250, 247, 0.94);
  backdrop-filter: blur(14px);
}

.sticky-cta .btn {
  width: 50%;
  min-height: 44px;
  padding: 10px 12px;
  font-size: 14px;
}

.final-cta {
  text-align: center;
}

.final-cta .lead {
  margin-left: auto;
  margin-right: auto;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.fade-in {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .site-header {
    position: sticky;
  }

  .nav {
    width: 100%;
    padding: 10px 12px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
  }

  .nav-links {
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .nav-links a {
    background: rgba(255, 255, 255, 0.68);
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .split,
  .grid.three,
  .grid.two,
  .reason-grid,
  .ingredient-grid,
  .guide-grid,
  .usage-steps,
  .profile-grid,
  .next-links,
  .message-grid,
  .offer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 420px;
  }

  .product-scene {
    max-width: 340px;
  }

  .product-pair {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 60px 0;
  }

  .hero {
    padding-top: 28px;
  }

  h1 {
    font-size: 38px;
  }

  .btn {
    width: 100%;
  }

  .proof-row {
    grid-template-columns: 1fr;
  }

  .caption-card {
    right: 12px;
    width: 168px;
  }

  .brand-logo {
    width: 108px;
  }

  .product-pair {
    grid-template-columns: 1fr;
  }

  .quick-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .comparison {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .comparison-table,
  .purchase-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: 76px;
  }

  .sticky-cta {
    display: flex;
  }

  .concern-checklist {
    grid-template-columns: 1fr;
  }
}

.answer-summary { padding: 34px 0; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.answer-summary h2 { font-size: clamp(22px, 3vw, 32px); margin-bottom: 12px; }
.answer-summary ul, .concern-checklist { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; }
.answer-summary li, .concern-checklist li { position: relative; padding-left: 28px; }
.answer-summary li::before, .concern-checklist li::before { content: ""; position: absolute; left: 0; top: .7em; width: 12px; height: 12px; border: 2px solid var(--accent); border-radius: 3px; background: #fff; }
.toc-card, .seo-hub-links { display: flex; flex-wrap: wrap; gap: 10px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); box-shadow: var(--shadow); }
.toc-card a, .seo-hub-links a, .next-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 10px 14px; border-radius: 999px; background: var(--secondary); color: var(--secondary-ink); text-decoration: none; font-weight: 700; }
.captioned-image figcaption, .role { color: var(--muted); font-size: 14px; font-weight: 700; }
.profile-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.profile-card { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); box-shadow: var(--shadow); }
.profile-card img { width: 100%; border-radius: var(--radius); margin-bottom: 14px; }
.ingredient-dictionary .ingredient-card p { margin-bottom: 8px; }
.product-fact-table { width: 100%; border-collapse: collapse; background: var(--paper); }
.product-fact-table th, .product-fact-table td { padding: 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.faq-category-block { margin-top: 34px; }
.warning-box { border-color: rgba(197,154,75,.55); background: #fffdf8; }
.howto-steps { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.step-number { display: inline-grid; place-items: center; width: 32px; height: 32px; margin-bottom: 10px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 800; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.faq-list details, .full-ingredient-toggle { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); padding: 16px; margin-bottom: 10px; }
.faq-list summary, .full-ingredient-toggle summary { cursor: pointer; font-weight: 800; }
@media (max-width: 760px) { .profile-grid, .howto-steps { grid-template-columns: 1fr; } .toc-card, .seo-hub-links { overflow-x: auto; flex-wrap: nowrap; } .toc-card a, .seo-hub-links a { white-space: nowrap; } }

/* Refined brand layer: quiet clinic-salon tone, softer scale, calmer surfaces. */
:root {
  --font-serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --font-sans: "Hiragino Sans", "Yu Gothic", "YuGothic", system-ui, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 0.96rem;
  --text-md: 1.05rem;
  --text-lg: 1.18rem;
  --text-xl: 1.45rem;
  --text-2xl: 1.85rem;
  --text-3xl: clamp(2rem, 4vw, 3rem);
  --color-bg: #f8f3ea;
  --color-bg-soft: #fbf8f2;
  --color-surface: #ffffff;
  --color-surface-warm: #fffaf2;
  --color-text: #2d241e;
  --color-text-muted: #6f6258;
  --color-brown: #4a2f22;
  --color-brown-deep: #2b1c16;
  --color-brown-soft: #7b5a45;
  --color-gold: #b99a62;
  --color-gold-soft: #e8dcc4;
  --color-line: rgba(74, 47, 34, 0.16);
  --color-line-soft: rgba(74, 47, 34, 0.08);
  --shadow-soft: 0 18px 45px rgba(43, 28, 22, 0.08);
  --shadow-card: 0 12px 30px rgba(43, 28, 22, 0.06);
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --bg: var(--color-bg);
  --paper: var(--color-surface);
  --ink: var(--color-text);
  --muted: var(--color-text-muted);
  --line: var(--color-line);
  --primary: var(--color-brown);
  --primary-ink: #ffffff;
  --secondary: var(--color-surface-warm);
  --secondary-ink: var(--color-brown);
  --accent: var(--color-gold);
  --soft: var(--color-bg-soft);
  --shadow: var(--shadow-soft);
  --radius: var(--radius-md);
}

body.theme-sensitive,
body.theme-aging,
body.theme-story,
body.theme-ingredient,
body.theme-subscription,
body.theme-home {
  --primary: var(--color-brown);
  --secondary: var(--color-surface-warm);
  --secondary-ink: var(--color-brown);
  --accent: var(--color-gold);
  --soft: var(--color-bg-soft);
}

body {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.44), rgba(248, 243, 234, 0.72)),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.site-header {
  z-index: 50;
  border-bottom: 1px solid var(--color-line-soft);
  background: rgba(251, 248, 242, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 68px;
  gap: 28px;
}

.brand-logo {
  width: 122px;
}

.nav-links {
  gap: 4px;
  color: var(--color-text-muted);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
}

.nav-links a {
  padding: 0.46rem 0.62rem;
  border-radius: 999px;
}

.nav-links a:hover {
  color: var(--color-brown);
}

.nav-cta {
  padding-inline: 0.9rem !important;
  background: var(--color-brown) !important;
  color: #fff !important;
  box-shadow: 0 10px 22px rgba(43, 28, 22, 0.12);
}

.section {
  padding: clamp(4.2rem, 8vw, 7rem) 0;
}

.section.tight {
  padding: clamp(3.2rem, 6vw, 5rem) 0;
}

.container,
.footer-inner {
  width: min(1120px, calc(100% - 2rem));
}

.hero {
  min-height: auto;
  padding: clamp(3rem, 7vw, 6.6rem) 0 clamp(3.6rem, 8vw, 7rem);
  background:
    linear-gradient(112deg, rgba(255, 255, 255, 0.78), rgba(255, 250, 242, 0.48)),
    radial-gradient(circle at 78% 30%, rgba(232, 220, 196, 0.52) 0, rgba(232, 220, 196, 0) 34%),
    var(--color-bg);
}

.hero-grid {
  grid-template-columns: minmax(0, 0.96fr) minmax(300px, 0.82fr);
  gap: clamp(2rem, 6vw, 5rem);
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--color-brown-soft);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
}

.eyebrow::before {
  width: 24px;
  background: var(--color-gold);
}

h1,
h2 {
  font-family: var(--font-serif);
  color: var(--color-brown-deep);
  font-weight: 500;
  letter-spacing: 0.02em;
}

h1 {
  margin-bottom: 1.2rem;
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.32;
}

h2,
.section-title {
  margin-bottom: 1rem;
  font-size: clamp(1.45rem, 2.6vw, 2.15rem);
  line-height: 1.45;
}

h3,
section h3 {
  font-size: 1.05rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--color-brown);
}

.lead {
  max-width: 620px;
  margin-bottom: 1.7rem;
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: 1.95;
}

.section-copy {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.95;
}

.hero-note,
.captioned-image figcaption,
.role {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
}

.btn {
  min-height: 46px;
  padding: 0.88rem 1.42rem;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(43, 28, 22, 0.12);
}

.btn-primary {
  border-color: var(--color-brown);
  background: var(--color-brown);
  color: #fff;
  box-shadow: 0 14px 28px rgba(43, 28, 22, 0.16);
}

.btn-secondary {
  border-color: rgba(74, 47, 34, 0.28);
  background: rgba(255, 255, 255, 0.48);
  color: var(--color-brown);
}

.quick-nav a,
.trust-badges span,
.price-tag {
  border: 1px solid var(--color-line-soft);
  background: rgba(255, 255, 255, 0.66);
  color: var(--color-brown-soft);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.trust-badges {
  gap: 0.55rem;
}

.product-scene,
.image-panel,
.product-visual {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.95), rgba(248, 243, 234, 0.78)),
    var(--color-surface-warm);
  box-shadow: var(--shadow-soft);
}

.product-photo {
  filter: drop-shadow(0 20px 28px rgba(43, 28, 22, 0.14));
}

.caption-card {
  border-color: rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 242, 0.9);
  box-shadow: 0 16px 32px rgba(43, 28, 22, 0.08);
  color: var(--color-text-muted);
}

.card,
.entry-card,
.reason-card,
.ingredient-card,
.guide-card,
.legal-note,
.usage-step,
.profile-card,
.product-card,
.offer,
.offer-card,
.message-card,
.answer-summary,
.toc-card,
.seo-hub-links,
.faq-list details,
.faq details,
.full-ingredient-toggle {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-card);
}

.card,
.entry-card,
.reason-card,
.ingredient-card,
.guide-card,
.legal-note,
.usage-step,
.profile-card,
.product-card,
.offer-card {
  padding: clamp(1.15rem, 2vw, 1.7rem);
}

.card p,
.entry-card p,
.reason-card p,
.ingredient-card p,
.guide-card p,
.usage-step p,
.profile-card p,
.legal-note p,
.product-card p,
.offer-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

.ingredient-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 250, 242, 0.72));
}

.ingredient-card strong {
  display: inline-block;
  margin-right: 0.2rem;
  color: var(--color-brown-soft);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.legal-note {
  border-left: 1px solid var(--color-gold-soft);
  background: rgba(255, 250, 242, 0.74);
}

.legal-note,
.ingredient-card .legal-note {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: 1.75;
}

.answer-summary {
  padding: clamp(1.6rem, 4vw, 2.4rem) 0;
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: none;
}

.answer-summary h2 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.answer-summary li,
.concern-checklist li {
  color: var(--color-text-muted);
  font-size: 0.94rem;
}

.answer-summary li::before,
.concern-checklist li::before {
  border-color: var(--color-gold);
}

.band {
  background:
    linear-gradient(180deg, rgba(255, 250, 242, 0.68), rgba(251, 248, 242, 0.86));
  border-top: 1px solid var(--color-line-soft);
  border-bottom: 1px solid var(--color-line-soft);
}

.icon,
.story-timeline .usage-step::before {
  background: var(--color-surface-warm);
  color: var(--color-brown);
  border: 1px solid var(--color-gold-soft);
}

.story-timeline .usage-step::after {
  content: "";
  position: absolute;
  left: 36px;
  top: 58px;
  bottom: -18px;
  width: 1px;
  background: var(--color-line-soft);
}

.story-timeline .usage-step:last-child::after {
  display: none;
}

.profile-card img {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-lg);
  background: var(--color-surface-warm);
}

.profile-card .role,
.profile-role {
  color: var(--color-brown-soft);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.table-wrap,
.comparison,
.comparison-table,
.purchase-table,
.proof-table {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.comparison th,
.comparison-table th,
.purchase-table th,
.proof-row dt,
.product-fact-table th {
  background: var(--color-surface-warm);
  color: var(--color-brown);
  font-weight: 600;
}

.comparison td,
.comparison th,
.comparison-table td,
.comparison-table th,
.purchase-table td,
.purchase-table th,
.product-fact-table td,
.product-fact-table th,
.proof-row dt,
.proof-row dd {
  padding: 0.95rem 1rem;
  border-color: var(--color-line-soft);
  font-size: 0.92rem;
}

.faq,
.faq-list {
  gap: 0;
}

.faq details,
.faq-list details {
  margin-bottom: 0;
  border-width: 0 0 1px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.faq summary,
.faq-list summary,
.full-ingredient-toggle summary {
  padding: 1rem 0.25rem;
  color: var(--color-text);
  font-size: 0.98rem;
  font-weight: 600;
}

.faq p,
.faq-list p,
.full-ingredient-toggle p {
  padding: 0 0.25rem 1.05rem;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

.toc-card,
.seo-hub-links {
  box-shadow: var(--shadow-card);
}

.toc-card a,
.seo-hub-links a,
.next-links a {
  background: rgba(255, 250, 242, 0.74);
  color: var(--color-brown);
  font-size: 0.9rem;
  font-weight: 600;
}

.next-links a {
  border-radius: var(--radius-lg);
}

.sticky-cta {
  border-top: 1px solid var(--color-line-soft);
  background: rgba(255, 250, 242, 0.92);
  backdrop-filter: blur(16px);
  padding: 0.65rem 0.8rem calc(0.65rem + env(safe-area-inset-bottom));
}

.sticky-cta .btn {
  min-height: 42px;
  padding: 0.72rem 0.8rem;
  font-size: 0.84rem;
}

.site-footer {
  border-top-color: var(--color-line-soft);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .nav {
    min-height: 62px;
    padding: 0.68rem 1rem;
  }

  .nav-links {
    gap: 0.35rem;
    padding-bottom: 0.35rem;
  }

  .nav-links a {
    flex: 0 0 auto;
    background: rgba(255, 255, 255, 0.54);
    font-size: 0.78rem;
  }

  .hero-grid {
    gap: 2.1rem;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 0.94rem;
  }

  .section {
    padding: 4rem 0;
  }

  .hero {
    padding: 2.4rem 0 4.2rem;
  }

  .hero h1,
  h1 {
    font-size: clamp(1.75rem, 8vw, 2.35rem);
    line-height: 1.35;
  }

  h2,
  .section-title {
    font-size: clamp(1.35rem, 6.2vw, 1.88rem);
    line-height: 1.48;
  }

  h3,
  section h3 {
    font-size: 1rem;
  }

  .lead {
    font-size: 0.98rem;
  }

  .btn {
    min-height: 44px;
    padding: 0.78rem 1rem;
    font-size: 0.9rem;
  }

  .hero-visual {
    min-height: 350px;
  }

  .product-scene {
    max-width: 310px;
  }

  .image-panel img {
    min-height: 240px;
  }

  .caption-card {
    width: 154px;
    font-size: 0.76rem;
  }

  .brand-logo {
    width: 104px;
  }
}

.target-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.6rem; }
.target-card, .lifestyle-card { padding: clamp(1.15rem, 2vw, 1.7rem); border: 1px solid var(--color-line-soft); border-radius: var(--radius-lg); background: rgba(255,255,255,.78); box-shadow: var(--shadow-card); }
.target-card p, .target-usecase p { color: var(--color-text-muted); font-size: .92rem; line-height: 1.85; }
.target-hero .hero-note { margin-bottom: 1rem; }
.target-summary { background: rgba(255,255,255,.68); }
.target-checklist { margin-top: 1rem; }
.target-fit { margin-bottom: 1.6rem; }
.target-caution { display: block; margin-top: 1rem; padding: 1rem; }
.target-next-links { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.seasonal-note { border-left: 1px solid var(--color-gold-soft); background: rgba(255,250,242,.74); padding: 1rem; }
.card-mark { speak: none; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; border: 0 !important; }
@media (max-width: 900px) { .target-grid, .target-next-links { grid-template-columns: 1fr; } }