:root {
  --bg: #fbfaf7;
  --paper: #fff;
  --soft: #f2eee7;
  --line: #ded6c9;
  --ink: #2e2924;
  --muted: #71695f;
  --gold: #a98b57;
  --greige: #8a8175;
  --focus: #6f5428;
  font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
  line-height: 1.8;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-underline-offset: .24em; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.site-header, .site-footer {
  background: rgba(251,250,247,.96);
  border-bottom: 1px solid var(--line);
}
.site-footer { border-top: 1px solid var(--line); border-bottom: 0; margin-top: 72px; }
.site-shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header__inner, .site-footer__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { font-family: Georgia, serif; font-size: 1.3rem; letter-spacing: .04em; text-decoration: none; }
.global-nav { display: flex; gap: 22px; font-size: .93rem; color: var(--muted); }
.global-nav a { text-decoration: none; border-bottom: 1px solid transparent; }
.global-nav a:hover { border-color: currentColor; }
.breadcrumb {
  width: min(1120px, calc(100% - 40px));
  margin: 22px auto 0;
  color: var(--muted);
  font-size: .9rem;
}
.breadcrumb ol { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0; flex-wrap: wrap; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #aaa096; }
.journal-hero {
  position: relative;
  min-height: 520px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #eae4db;
}
.journal-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.journal-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(251,250,247,.92), rgba(251,250,247,.52) 48%, rgba(251,250,247,.12));
}
.journal-hero__body {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0 86px;
}
.eyebrow, .category-label {
  color: var(--gold);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.45; letter-spacing: 0; }
h1 { font-family: "Noto Serif JP", serif; font-size: clamp(2rem, 5vw, 4.6rem); margin: 10px 0 20px; }
h2 { font-family: "Noto Serif JP", serif; font-size: clamp(1.55rem, 3vw, 2.3rem); margin: 72px 0 22px; }
h3 { font-size: 1.2rem; margin: 34px 0 12px; }
.lead { font-size: clamp(1rem, 2vw, 1.22rem); max-width: 720px; color: #4e4740; }
.section { width: min(1120px, calc(100% - 40px)); margin: 72px auto 0; }
.section--narrow, .article-body { width: min(720px, calc(100% - 40px)); margin: 0 auto; }
.intro-copy { color: var(--muted); font-size: 1.05rem; }
.chip-nav { display: flex; gap: 10px; overflow-x: auto; padding: 4px 0 10px; scrollbar-width: thin; }
.chip-nav a {
  flex: 0 0 auto;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  text-decoration: none;
  color: #4e4740;
  font-size: .92rem;
}
.feature {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr);
  gap: 30px;
  align-items: stretch;
  background: var(--soft);
  padding: 18px;
}
.feature img, .card img, .related-card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; background: #eee7dc; }
.feature__text { padding: 22px 18px; align-self: center; }
.feature h2 { margin-top: 8px; }
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 12px;
  padding: 0 18px;
  border: 1px solid var(--gold);
  color: #5d4723;
  background: #fffaf1;
  text-decoration: none;
  font-weight: 700;
}
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card, .related-card, .note-box, .product-panel {
  background: var(--paper);
  border: 1px solid var(--line);
}
.card a, .related-card a { display: grid; height: 100%; text-decoration: none; }
.card__body { padding: 18px; }
.card h3 { margin: 8px 0 8px; font-size: 1.08rem; }
.card p, .related-card p { color: var(--muted); font-size: .95rem; margin: 0 0 12px; }
.read-more { color: #6f5428; font-weight: 700; text-decoration: underline; }
.concern-grid, .policy-grid, .trouble-grid, .care-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.concern-grid a, .policy-grid div, .trouble-grid div, .care-grid div, .check-list li {
  min-height: 44px;
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  text-decoration: none;
}
.article-header {
  width: min(820px, calc(100% - 40px));
  margin: 54px auto 0;
}
.article-header h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
.article-meta { color: var(--muted); font-size: .92rem; }
.article-visual {
  width: min(1120px, calc(100% - 40px));
  margin: 36px auto 0;
}
.article-visual img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.article-inline-image {
  margin: 28px 0;
  background: #eee7dc;
}
.article-inline-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.article-inline-image figcaption {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.7;
  padding-top: 8px;
}
.article-body {
  margin-top: 54px;
  font-size: 1.06rem;
  line-height: 1.95;
}
.article-body p { margin: 0 0 1.35em; }
.story-intro {
  margin: 0 0 42px;
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.story-intro p {
  color: #4c453d;
  font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.06rem, 2vw, 1.22rem);
  line-height: 2.05;
}
.toc, .summary-box {
  background: var(--soft);
  border-left: 4px solid var(--gold);
  padding: 20px 22px;
  margin: 34px 0;
}
.toc ol, .summary-box ul, .check-list { margin: 0; padding-left: 1.3em; }
.note-box { padding: 22px; margin: 34px 0; }
.structure-diagram {
  display: grid;
  gap: 10px;
  margin: 28px 0;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
}
.hair-layer {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(90deg, #f8f2e7, #fff);
}
.hair-layer strong { display: block; color: #5d4723; }
.flow-arrow { text-align: center; color: var(--gold); font-weight: 700; }
.trouble-grid div::before, .care-grid div::before { content: "◇"; color: var(--gold); margin-right: 8px; }
.check-list li { margin: 0 0 10px; list-style: none; }
.check-list li::before { content: "✓"; color: var(--gold); font-weight: 700; margin-right: 10px; }
.related-strip { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 36px 0; }
.related-card__body { padding: 16px; }
.product-panel { padding: 28px; margin: 42px 0; background: #fffdf8; }
.return-link { text-align: center; margin: 46px 0 0; }
.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  z-index: 10;
}
.skip-link:focus { top: 12px; }

@media (max-width: 880px) {
  .site-header__inner, .site-footer__inner { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  .global-nav { flex-wrap: wrap; gap: 14px 18px; }
  .journal-hero { min-height: 440px; }
  .journal-hero::after { background: rgba(251,250,247,.78); }
  .feature { grid-template-columns: 1fr; }
  .card-grid, .concern-grid, .policy-grid, .trouble-grid, .care-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .site-shell, .section, .section--narrow, .article-body, .article-header, .article-visual, .breadcrumb, .journal-hero__body {
    width: min(100% - 28px, 1120px);
  }
  .journal-hero { min-height: 390px; }
  .journal-hero__body { padding: 70px 0 58px; }
  .card-grid, .concern-grid, .policy-grid, .trouble-grid, .care-grid, .related-strip { grid-template-columns: 1fr; }
  .article-body { font-size: 1rem; line-height: 1.9; }
  h2 { margin-top: 56px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
