@charset "UTF-8";
/* ===================================================================
   Seventh Stone — ST.01 ガイドページ共通スタイル
   /guide/{stone}-{scene}/index.html から /assets/guide.css で参照
   =================================================================== */

:root {
  --gold: #C5A84B;
  --gold-light: #DFC07A;
  --gold-pale: #F2E8CC;
  --gold-dark: #8A6F2E;
  --stone: #2C2A25;
  --stone-mid: #5C5849;
  --stone-light: #9E9A8E;
  --cream: #FAF7F0;
  --white: #FEFDFB;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 2;
  background: var(--cream);
  color: var(--stone);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--gold-dark); text-decoration: none; }
a:hover { color: var(--gold); }

/* ===== NAV ===== */
.guide-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 22px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250, 247, 240, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(197, 168, 75, 0.15);
}
.guide-nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.guide-nav-logo img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* ===== HAMBURGER (mobile only) ===== */
.guide-hamburger {
  display: none;
  position: relative;
  width: 28px;
  height: 22px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 60;
}
.guide-hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--stone);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.guide-hamburger span:nth-child(1) { top: 2px; }
.guide-hamburger span:nth-child(2) { top: 10px; }
.guide-hamburger span:nth-child(3) { top: 18px; }
.guide-hamburger.active span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.guide-hamburger.active span:nth-child(2) { opacity: 0; }
.guide-hamburger.active span:nth-child(3) { top: 10px; transform: rotate(-45deg); }
body.nav-open { overflow: hidden; }
.guide-nav-links { display: flex; gap: 36px; list-style: none; }
.guide-nav-links a {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.25em;
  color: var(--stone);
  text-transform: uppercase;
}
.guide-nav-links a:hover { color: var(--gold-dark); }

/* ===== BREADCRUMB ===== */
.guide-breadcrumb {
  max-width: 800px;
  margin: 0 auto;
  padding: 18px 32px 0;
  font-size: 14px;
  color: var(--stone);
  font-weight: 500;
}
.guide-breadcrumb a { color: var(--stone); font-weight: 500; }
.guide-breadcrumb a:hover { color: var(--gold-dark); }
.guide-breadcrumb-sep { margin: 0 10px; color: var(--stone-light); font-weight: 400; }

/* ===== HERO ===== */
.guide-hero {
  padding: 88px 32px 64px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.guide-eyebrow {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5em;
  color: var(--gold-dark);
  text-transform: uppercase;
  margin-bottom: 36px;
}
.guide-title {
  font-family: 'Noto Serif JP', 'Yu Mincho', serif;
  font-weight: 500;
  font-size: clamp(26px, 5vw, 36px);
  line-height: 1.7;
  color: var(--stone);
  margin-bottom: 40px;
  letter-spacing: 0.04em;
}
.guide-title em {
  font-style: normal;
  color: var(--gold-dark);
  font-weight: 700;
}
.stone-dot {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.guide-lead {
  font-size: 17px;
  line-height: 2.4;
  color: var(--stone);
  letter-spacing: 0.05em;
}

/* ===== SECTIONS ===== */
.guide-section {
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 32px;
  border-top: 1px solid rgba(197, 168, 75, 0.15);
}
.section-label {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gold-dark);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.section-title {
  font-family: 'Noto Serif JP', 'Yu Mincho', serif;
  font-weight: 500;
  font-size: clamp(22px, 4vw, 28px);
  line-height: 1.7;
  color: var(--stone);
  margin-bottom: 36px;
  letter-spacing: 0.04em;
}
.section-title em {
  font-style: normal;
  color: var(--gold-dark);
  font-weight: 700;
}
.prose p {
  font-size: 17px;
  line-height: 2.4;
  color: var(--stone);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}
.prose p:last-child { margin-bottom: 0; }

/* ===== COMPARISON ===== */
.comparison-list {
  list-style: none;
  margin-top: 36px;
  display: grid;
  gap: 16px;
}
.comparison-item {
  padding: 22px 26px;
  background: var(--white);
  border: 1px solid rgba(197, 168, 75, 0.2);
  border-radius: 4px;
  transition: border-color 0.3s, transform 0.3s;
}
.comparison-item:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}
.comparison-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  color: var(--stone);
}
.comparison-item-name {
  font-family: 'Noto Serif JP', 'Yu Mincho', serif;
  font-weight: 500;
  font-size: 19px;
  color: var(--stone);
  flex-shrink: 0;
  min-width: 14em;
}
.comparison-item-reason {
  flex: 1;
  font-size: 15px;
  color: var(--stone);
  line-height: 1.9;
}
.comparison-item-arrow { font-size: 16px; color: var(--gold); }

/* ===== CTA ===== */
.guide-cta-section {
  background: var(--stone);
  color: var(--cream);
  padding: 80px 32px;
  margin-top: 72px;
}
.guide-cta-inner { max-width: 720px; margin: 0 auto; }
.guide-cta-section .section-label { color: var(--gold-light); }
.guide-cta-section .section-title { color: var(--cream); }
.cta-products {
  list-style: none;
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.cta-product {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 30px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(197, 168, 75, 0.3);
  border-radius: 4px;
  transition: background 0.3s, border-color 0.3s;
}
.cta-product:hover {
  background: rgba(197, 168, 75, 0.08);
  border-color: var(--gold);
}
.cta-product-name {
  font-family: 'Noto Serif JP', 'Yu Mincho', serif;
  font-weight: 400;
  font-size: 17px;
  color: var(--cream);
  flex: 1;
  line-height: 1.7;
}
.cta-product-price {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 300;
  font-size: 16px;
  letter-spacing: 0.1em;
  color: var(--gold-light);
  margin: 0 28px;
}
.cta-product-link {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}
.cta-product-link::after { content: ' →'; }

/* ===== FAQ ===== */
.guide-faq dt {
  font-family: 'Noto Serif JP', 'Yu Mincho', serif;
  font-weight: 700;
  font-size: 19px;
  color: var(--stone);
  margin-top: 32px;
  padding-bottom: 10px;
  letter-spacing: 0.04em;
}
.guide-faq dt::before { content: 'Q. '; color: var(--gold); font-weight: 500; }
.guide-faq dd {
  font-size: 16px;
  line-height: 2.2;
  color: var(--stone);
  letter-spacing: 0.04em;
}
.guide-faq dd::before { content: 'A. '; color: var(--gold); }

/* ===== FOOTER ===== */
.guide-footer {
  padding: 40px 24px;
  background: var(--stone);
  color: var(--stone-light);
  text-align: center;
}
.guide-footer-links {
  display: flex;
  justify-content: center;
  gap: 20px 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  list-style: none;
}
.guide-footer-links a {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--cream);
  text-transform: uppercase;
}
.guide-footer-links a:hover { color: var(--gold-light); }
.guide-footer-copy {
  font-size: 11px;
  color: var(--stone-light);
  letter-spacing: 0.08em;
}

/* ===== RESPONSIVE ===== */
/* タブレット〜中間幅(フッターのコンパクト化) */
@media (max-width: 1024px) {
  .guide-footer { padding: 32px 20px; }
  .guide-footer-links { gap: 14px 18px; margin-bottom: 14px; }
  .guide-footer-links a { font-size: 11px; letter-spacing: 0.18em; }
}

@media (max-width: 720px) {
  body { font-size: 17px; }
  .guide-nav { padding: 16px 20px; }
  .guide-nav-logo img { height: 34px; }
  .guide-hamburger { display: block; }

  /* モバイル時のナビメニュー(全画面オーバーレイ) */
  .guide-nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 80%;
    max-width: 320px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    background: var(--cream);
    box-shadow: -4px 0 24px rgba(0,0,0,0.08);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 55;
    padding: 80px 24px 32px;
  }
  .guide-nav-links.open { transform: translateX(0); }
  .guide-nav-links a {
    font-size: 16px;
    letter-spacing: 0.3em;
    color: var(--stone);
    font-weight: 500;
  }

  .guide-hero { padding: 56px 24px 44px; }
  .guide-section { padding: 56px 24px; }
  .guide-cta-section { padding: 64px 24px; }
  .guide-lead, .prose p { font-size: 16px; }
  .cta-product { flex-direction: column; align-items: flex-start; gap: 14px; }
  .cta-product-price { margin: 0; }
  .comparison-item a { flex-direction: column; align-items: flex-start; gap: 10px; }
  .comparison-item-name { min-width: 0; }
}

/* ===== INDEX PAGE: /guide/ Catalog ===== */
.guide-intro {
  text-align: center;
  color: var(--stone-mid);
  font-size: 15px;
  line-height: 1.9;
  margin: 16px auto 32px;
  max-width: 640px;
}
.guide-index-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin: 0;
  padding: 0;
}
.guide-index-grid > li { list-style: none; }
.guide-index-card {
  display: block;
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid rgba(197, 168, 75, 0.18);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  height: 100%;
}
.guide-index-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(197, 168, 75, 0.14);
  color: inherit;
}
.guide-index-card .stone-dot {
  width: 56px;
  height: 56px;
  margin: 0 0 18px;
}
.guide-index-card .card-eyebrow {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone-mid);
  margin: 0 0 10px;
}
.guide-index-card .card-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.55;
  margin: 0 0 14px;
  color: var(--stone);
}
.guide-index-card .card-lead {
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone-mid);
  margin: 0;
}

/* ===== HUB PAGE: /guide/ top hub (by scene / by stone) ===== */
.guide-hub-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
}
.guide-hub-grid > li { list-style: none; }
.guide-hub-card {
  display: block;
  padding: 20px 18px;
  background: var(--white);
  border: 1px solid rgba(197, 168, 75, 0.18);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  height: 100%;
}
.guide-hub-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(197, 168, 75, 0.12);
  color: inherit;
}
.guide-hub-card-stone .stone-dot {
  width: 36px;
  height: 36px;
  margin: 0 0 12px;
}
.guide-hub-card .hub-card-eyebrow {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone-mid);
  margin: 0 0 6px;
}
.guide-hub-card .hub-card-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  margin: 0 0 6px;
  color: var(--stone);
}
.guide-hub-card .hub-card-meta {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-dark);
  margin: 0;
}

/* ===== Stone chips(石数増加にもスケールするコンパクト表示)===== */
.guide-stone-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 8px;
  margin: 0;
  padding: 0;
}
.guide-stone-chips > li { list-style: none; }
.guide-stone-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: var(--white);
  border: 1px solid rgba(197, 168, 75, 0.18);
  border-radius: 999px;
  text-decoration: none;
  color: inherit;
  font-size: 13px;
  line-height: 1.3;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
}
.guide-stone-chip:hover {
  border-color: var(--gold);
  background: rgba(197, 168, 75, 0.06);
  color: var(--stone);
}
.guide-stone-chip .stone-dot-mini {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}
.guide-stone-chip .chip-name {
  font-family: 'Noto Serif JP', serif;
  font-weight: 500;
  color: var(--stone);
}
.guide-stone-chip .chip-meta {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--gold-dark);
  background: rgba(197, 168, 75, 0.1);
  padding: 1px 6px;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

/* ===== Family グルーピング(scene/stone hub 用)===== */
.guide-family-groups {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 0;
  padding: 0;
}
.guide-family-group {
  margin: 0;
  padding: 0;
}
.guide-family-title {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin: 0 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(197, 168, 75, 0.18);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.guide-family-title .family-name-ja {
  font-family: 'Noto Serif JP', serif;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--stone);
  text-transform: none;
}
.guide-family-title .family-count {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  font-weight: 400;
  color: var(--gold-dark);
  letter-spacing: 0.1em;
}
