/* ============================================================
   tea_history_2_event ─ Pattern 09 読み物リッチ・歴史エッセイ型
   お茶の歴史 後編 ─ 東洋から西洋へ ティーカップが映す文化の変遷
   base: tmp/pattern_09_preview/preview.html (aritaware_event リファレンス)
   color: #FBFAF7 (off-white) / #8b6f47 (sepia) / #1a3a5c (瑠璃)
   ============================================================ */

:root {
  --sp-1: 8px;
  --sp-2: 13px;
  --sp-3: 21px;
  --sp-4: 34px;
  --sp-5: 55px;
  --sp-6: 89px;

  --c-bg: #FBFAF7;
  --c-bg-alt: #f3ede1;
  --c-paper: #ffffff;
  --c-ink: #2a2317;
  --c-line: #c8b896;
  --c-mute: #7d6f55;
  --c-accent: #8b6f47;
  --c-accent-deep: #3a2818;
  --c-gold: #a8862e;
  --c-ruri: #1a3a5c;
  --c-hero-bg: #f5e8d8;
}

/* === LP scoped reset（FS共通レイアウト保護・html/body/* グローバル指定回避） === */
.wrapper_top, .wrapper_first, .wrapper_second, .wrapper_third,
.wrapper_fourth, .wrapper_fifth, .wrapper_sixth, .wrapper_seventh,
.wrapper_faq, .wrapper_products, .wrapper_brands, .wrapper_footer {
  font-family: "Noto Serif JP", "Cormorant Garamond", serif;
  font-size: 16px;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  background: var(--c-bg);
  padding: var(--sp-6) var(--sp-5);
  border-bottom: 1px solid var(--c-line);
  box-sizing: border-box;
}
.wrapper_top *, .wrapper_first *, .wrapper_second *, .wrapper_third *,
.wrapper_fourth *, .wrapper_fifth *, .wrapper_sixth *, .wrapper_seventh *,
.wrapper_faq *, .wrapper_products *, .wrapper_brands *, .wrapper_footer * {
  box-sizing: border-box;
}
.article-inner { max-width: 720px; margin: 0 auto; }
.section-inner { max-width: 1120px; margin: 0 auto; }
.block-wide-inner { max-width: 1120px; margin: 0 auto; }

/* === HERO === */
.section_01_hero,
.wrapper_top.section_01_hero {
  background: linear-gradient(180deg, var(--c-bg-alt) 0%, var(--c-bg) 100%);
  padding: var(--sp-6) var(--sp-5) var(--sp-5);
}
.hero-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-5);
  align-items: center;
}
.hero-figure {
  margin: 0;
  width: 100%;
}
.hero-figure img {
  width: 100%;
  display: block;
  aspect-ratio: 1400 / 1049;
  object-fit: cover;
  background: var(--c-hero-bg);
}
.hero-caption {
  font-size: 12px;
  color: var(--c-mute);
  letter-spacing: 0.1em;
  margin-top: var(--sp-2);
  text-align: center;
  font-style: italic;
}
.hero-text { text-align: left; }
.hero-display {
  font-family: "Noto Serif JP", serif;
  font-weight: 400;
  font-size: 44px;
  line-height: 1.35;
  margin: 0 0 var(--sp-3);
  color: var(--c-accent-deep);
  display: block;
}
.hero-display span { display: block; }
.hero-display .quote {
  font-family: "Cormorant Garamond", "Noto Serif JP", serif;
  font-style: italic;
  font-size: 22px;
  color: var(--c-accent);
  margin-top: var(--sp-2);
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.hero-subtitle {
  font-size: 17px;
  color: var(--c-mute);
  margin: 0 0 var(--sp-3);
  font-style: italic;
  max-width: 600px;
}
.hero-lead {
  font-size: 16px;
  line-height: 1.95;
  max-width: 600px;
  margin: 0 0 var(--sp-3);
}

/* === Common Overlay (eyebrow) === */
.ovl {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-accent);
  display: block;
  margin: 0 0 var(--sp-2);
}

/* === Article / Chapter blocks === */
.wrapper_first,
.wrapper_second,
.wrapper_third,
.wrapper_fourth,
.wrapper_fifth,
.wrapper_seventh {
  padding: var(--sp-6) var(--sp-5);
  background: var(--c-paper);
}
.wrapper_second.beige_bk,
.wrapper_fourth.beige_bk,
.wrapper_sixth.beige_bk,
.wrapper_brands.beige_bk,
.wrapper_footer.beige_bk {
  background: var(--c-bg-alt);
}
.wrapper_footer { padding: var(--sp-6) var(--sp-5); }

.section-h2 {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 30px;
  line-height: 1.4;
  margin: 0 0 var(--sp-3);
  color: var(--c-accent-deep);
}
.section-heading {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.4;
  margin: 0 0 var(--sp-3);
  color: var(--c-accent-deep);
  text-align: center;
}
.section-h3-sub {
  font-size: 15px;
  color: var(--c-mute);
  font-style: italic;
  margin: 0 0 var(--sp-4);
  line-height: 1.7;
}
.essay-lede {
  font-size: 17px;
  line-height: 1.95;
  margin: 0 0 var(--sp-4);
  color: var(--c-ink);
}
.essay-body {
  font-size: 16px;
  line-height: 1.95;
  margin: 0 0 var(--sp-3);
}
.dropcap::first-letter {
  float: left;
  font-family: "Cormorant Garamond", "Noto Serif JP", serif;
  font-size: 60px;
  line-height: 0.85;
  padding: 8px 12px 0 0;
  color: var(--c-accent);
  font-weight: 500;
}

/* essay-figure / chapter-figure */
.essay-figure,
.chapter-figure {
  margin: var(--sp-4) 0;
}
.essay-figure img,
.chapter-figure img {
  width: 100%;
  display: block;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
  background: var(--c-hero-bg);
}
.chapter-figure.portrait img {
  aspect-ratio: 800 / 1200;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.essay-figure figcaption,
.chapter-figure figcaption {
  font-size: 12px;
  color: var(--c-mute);
  letter-spacing: 0.1em;
  margin-top: var(--sp-2);
  text-align: center;
  font-style: italic;
}

/* === Historical quote box === */
.historical-quote {
  margin: var(--sp-4) 0 0;
  padding: var(--sp-3) var(--sp-4);
  background: rgba(168, 134, 46, 0.07);
  border-left: 3px solid var(--c-accent);
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-accent-deep);
  font-style: italic;
}
.historical-quote footer {
  margin-top: var(--sp-2);
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 13px;
  color: var(--c-mute);
  letter-spacing: 0.1em;
}

/* === FAQ === */
.wrapper_faq.section_06_faq {
  background: var(--c-paper);
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  max-width: 1120px;
  margin: var(--sp-4) auto 0;
}
.faq-column {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.faq-item {
  background: var(--c-bg-alt);
  padding: var(--sp-3) var(--sp-4);
  border-left: 3px solid var(--c-accent);
}
.faq-item summary {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-accent-deep);
  cursor: pointer;
  list-style: none;
  padding-right: 28px;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Cormorant Garamond", serif;
  font-size: 22px;
  color: var(--c-accent);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin: var(--sp-2) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-ink);
}

/* === related-series (取扱なし誘導 / Heritage A-1) === */
.related-series-block {
  margin-top: var(--sp-5);
  padding: var(--sp-4);
  background: rgba(168, 134, 46, 0.07);
  border-left: 3px solid var(--c-accent);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.related-series-h3 {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 22px;
  line-height: 1.5;
  margin: 0 0 var(--sp-2);
  color: var(--c-accent-deep);
}
.related-series-body {
  font-size: 15px;
  line-height: 1.9;
  margin: 0 0 var(--sp-3);
  color: var(--c-ink);
}

/* === CTA buttons === */
.cta-button {
  display: inline-block;
  padding: 14px 28px;
  background: var(--c-gold);
  color: #ffffff;
  text-decoration: none;
  font-family: "Noto Serif JP", sans-serif;
  font-size: 13px;
  letter-spacing: 0.2em;
  min-width: 220px;
  text-align: center;
  font-weight: 500;
  transition: background 0.2s;
}
.cta-button:hover { background: var(--c-accent-deep); }

.cta-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: center;
  max-width: 760px;
  margin: 0 auto;
}

/* === Product section (末尾集約) === */
.wrapper_products.section_07_products {
  padding: var(--sp-6) var(--sp-5);
  background: var(--c-paper);
}
.series-block {
  margin: var(--sp-5) auto 0;
  max-width: 1120px;
}
.series-block .block-head {
  text-align: center;
  margin-bottom: var(--sp-4);
}
.block-h3 {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 1.5;
  margin: 0 0 var(--sp-2);
  color: var(--c-accent-deep);
}
.block-sub {
  font-size: 14px;
  color: var(--c-mute);
  font-style: italic;
  margin: 0;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-3);
}
.product-card {
  background: var(--c-paper);
  padding: var(--sp-4);
  border: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
}
.product-number {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.25em;
  color: var(--c-accent);
  margin: 0 0 var(--sp-2);
}
.product-name {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 17px;
  line-height: 1.55;
  margin: 0 0 6px;
  color: var(--c-accent-deep);
}
.product-spec {
  font-size: 12px;
  color: var(--c-mute);
  letter-spacing: 0.1em;
  margin: 0 0 var(--sp-3);
}
.product-figure {
  margin: 0 0 var(--sp-3);
}
.product-figure img {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  display: block;
  background: #f5f1ea;
}
.product-desc {
  font-size: 14px;
  line-height: 1.85;
  margin: 0 0 var(--sp-3);
  color: var(--c-ink);
  flex-grow: 1;
}
.product-cta {
  display: inline-block;
  padding: 10px 20px;
  background: transparent;
  color: var(--c-accent);
  text-decoration: none;
  font-family: "Noto Serif JP", sans-serif;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-align: center;
  border: 1px solid var(--c-accent);
  align-self: flex-start;
  transition: background 0.2s, color 0.2s;
}
.product-cta:hover {
  background: var(--c-accent);
  color: #ffffff;
}

/* === Brands Heritage section === */
.wrapper_brands.section_08_brands_heritage {
  padding: var(--sp-6) var(--sp-5);
}

/* === Footer CTA === */
.wrapper_footer.section_09_cta {
  background: var(--c-ruri);
  color: var(--c-bg);
  text-align: center;
  border-bottom: 0;
}
.wrapper_footer .section-h2 { color: #ffffff; }
.wrapper_footer .ovl { color: var(--c-gold); }
.wrapper_footer p {
  color: rgba(251, 250, 247, 0.88);
  max-width: 580px;
  margin: 0 auto var(--sp-4);
  line-height: 1.95;
}
.wrapper_footer .cta-button {
  background: var(--c-gold);
  color: var(--c-ruri);
  font-weight: 600;
}
.wrapper_footer .cta-button:hover {
  background: #ffffff;
  color: var(--c-ruri);
}

/* === Responsive === */
@media (max-width: 1100px) {
  .hero-display { font-size: 38px; }
  .product-grid { gap: var(--sp-3); grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .wrapper_top,
  .wrapper_first,
  .wrapper_second,
  .wrapper_third,
  .wrapper_fourth,
  .wrapper_fifth,
  .wrapper_sixth,
  .wrapper_seventh,
  .wrapper_faq,
  .wrapper_products,
  .wrapper_brands,
  .wrapper_footer {
    padding: var(--sp-5) var(--sp-4);
  }
  .hero-grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .hero-display { font-size: 32px; }
  .hero-display .quote { font-size: 18px; }
  .section-h2 { font-size: 24px; }
  .section-heading { font-size: 22px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
}

@media screen and (max-width: 639px) {
  .wrapper_top,
  .wrapper_first,
  .wrapper_second,
  .wrapper_third,
  .wrapper_fourth,
  .wrapper_fifth,
  .wrapper_sixth,
  .wrapper_seventh,
  .wrapper_faq,
  .wrapper_products,
  .wrapper_brands,
  .wrapper_footer {
    padding: var(--sp-4) 20px;
    font-size: 15px;
  }
  .hero-display { font-size: 26px; }
  .hero-display .quote { font-size: 16px; }
  .section-h2 { font-size: 20px; }
  .section-heading { font-size: 19px; }
  .essay-body { font-size: 15px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { padding: var(--sp-3); }
  .related-series-block { padding: var(--sp-3); }
  .faq-item { padding: var(--sp-2) var(--sp-3); }
  .cta-button { min-width: auto; width: 100%; }
}