/* ===== BAMBOO LINE LP ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --col-bg: #f8f6f2;
  --col-black: #1a1a1a;
  --col-white: #ffffff;
  --col-gold: #b8965a;
  --col-gold-light: #d4aa6a;
  --col-green: #6b8c6b;
  --col-green-bg: #eef2ee;
  --col-text: #3a3a3a;
  --col-text-light: #767676;
  --col-border: #e8e2d9;
  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-num: 'Lato', sans-serif;
}

body {
  font-family: var(--font-sans);
  background: var(--col-bg);
  color: var(--col-text);
  font-size: 14px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* ===== 共通 ===== */
/* 数字・英字はCormorant Garamondに統一 */
.num, p, h1, h2, h3, h4,
.item-no, .item-price, .voice-num,
.section-label, .section-title,
.item-name, .fv-series, .fv-catch, .fv-sub,
.link-series, .btn-buy, .btn-wellness,
.color-title, .scene-num,
.spec-en, .si, .modal-func-en, .modal-title,
.concept-lead, .concept-tagline {
  font-variant-numeric: tabular-nums;
}

.section-label {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--col-gold);
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  color: var(--col-black);
  line-height: 1.4;
  margin-bottom: 20px;
}

.section-title em {
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 300;
  color: var(--col-gold);
}

.gold-line {
  width: 48px;
  height: 1px;
  background: var(--col-gold);
  margin-bottom: 40px;
}

/* ===== ① FV ===== */
.fv {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: var(--col-black);
}

.fv-slider { position: absolute; inset: 0; }

.fv-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.fv-slide.active { opacity: 1; }
.fv-slide picture { display: block; width: 100%; height: 100%; }
.fv-slide img { width: 100%; height: 100%; object-fit: cover; }

.fv-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.55) 100%);
}

.fv-text {
  position: absolute;
  bottom: 80px;
  left: 5%;
  color: var(--col-white);
}

.fv-series {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 0.3em;
  color: var(--col-gold-light);
  margin-bottom: 14px;
}

.fv-catch {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 300;
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.fv-sub {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.8);
}

.fv-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.3s;
}

.dot.active { background: var(--col-gold-light); }

/* ===== ② ブランドストーリー ===== */
.story { padding: 80px 5%; background: var(--col-white); }
.story-inner { max-width: 800px; margin: 0 auto; }

.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.voice-item {
  border-left: 2px solid var(--col-gold);
  padding: 16px 20px;
  background: var(--col-bg);
}

.voice-num {
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 22px;
  color: var(--col-gold);
  display: block;
  margin-bottom: 8px;
}

.voice-item p { font-size: 13px; line-height: 1.7; color: var(--col-text); }

.story-concept {
  border-top: 1px solid var(--col-border);
  padding-top: 40px;
  text-align: center;
}

.concept-lead {
  font-family: var(--font-serif);
  font-size: 18px;
  font-style: italic;
  font-weight: 400;
  color: var(--col-black);
  line-height: 1.8;
  margin-bottom: 24px;
}

.concept-body {
  font-size: 13px;
  line-height: 2;
  color: var(--col-text-light);
  margin-bottom: 24px;
}

.concept-tagline {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 16px;
  color: var(--col-green);
  letter-spacing: 0.1em;
}

/* ===== ③ 機能紹介 ===== */
.spec { padding: 80px 5%; background: var(--col-bg); }
.spec-inner { max-width: 800px; margin: 0 auto; }

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--col-border);
  margin-bottom: 20px;
}

/* 下段3つを中央寄せ */
.spec-item:nth-child(5) { grid-column: 1; }
.spec-item:nth-child(n+5) {
  grid-column: auto;
}
/* 下段3アイテムを中央に */
.spec-grid::after {
  content: '';
  grid-column: span 1;
  background: var(--col-bg);
}

.spec-item {
  background: var(--col-white);
  padding: 28px 16px 24px;
  text-align: center;
}

.spec-icon { width: 48px; height: 48px; margin: 0 auto 12px; }
.spec-icon svg { width: 100%; height: 100%; }

.spec-en {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--col-black);
  margin-bottom: 4px;
}

.spec-ja { font-size: 11px; color: var(--col-text-light); }

.spec-note {
  font-size: 11px;
  color: var(--col-text-light);
  background: var(--col-green-bg);
  border-left: 3px solid var(--col-green);
  padding: 10px 14px;
  margin-bottom: 28px;
  line-height: 1.7;
}

.btn-detail {
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  padding: 14px 24px;
  background: transparent;
  border: 1px solid var(--col-black);
  color: var(--col-black);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}

.btn-detail:hover { background: var(--col-black); color: var(--col-white); }

.btn-detail-sm {
  max-width: 240px;
  padding: 10px 20px;
  font-size: 11px;
  margin: 12px 0 0;
}

/* ===== ④ シーン提案 ===== */
.scene { padding: 80px 5%; background: var(--col-white); }
.scene-inner { max-width: 900px; margin: 0 auto; }
.scene-list { display: flex; flex-direction: column; gap: 0; }

.scene-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
}

.scene-item.reverse { direction: rtl; }
.scene-item.reverse > * { direction: ltr; }

.scene-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.scene-text {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--col-bg);
}

.scene-item.reverse .scene-text { background: var(--col-white); }

.scene-num {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 12px;
  color: var(--col-gold);
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.scene-text h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--col-black);
  margin-bottom: 14px;
  line-height: 1.4;
}

.scene-line { width: 32px; height: 1px; background: var(--col-gold); margin-bottom: 16px; }
.scene-text p { font-size: 12px; line-height: 2; color: var(--col-text-light); }

/* ===== ⑤ ラインナップ ===== */
.lineup { padding: 80px 5%; background: var(--col-bg); }
.lineup-inner { max-width: 860px; margin: 0 auto; }

.item-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--col-border);
}

.item-card:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

/* スライダー */
.item-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 760 / 980;
  overflow: hidden;
  background: var(--col-white);
  margin-bottom: 0;
}

.item-slides { position: relative; width: 100%; height: 100%; }

.item-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.item-slide.active { opacity: 1; }
.item-slide img { width: 100%; height: 100%; object-fit: cover; }

.slider-prev, .slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.85);
  border: none;
  width: 36px;
  height: 36px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--col-black);
  z-index: 2;
  transition: background 0.2s;
}

.slider-prev:hover, .slider-next:hover { background: var(--col-white); }
.slider-prev { left: 8px; }
.slider-next { right: 8px; }

.slider-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}

.sdot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(0,0,0,0.25);
  cursor: pointer;
  transition: background 0.2s;
}

.sdot.active { background: var(--col-gold); }

/* 商品情報 */
.item-no {
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 12px;
  color: var(--col-gold);
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.item-name {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 400;
  color: var(--col-black);
  line-height: 1.5;
  margin-bottom: 10px;
}

.item-price {
  font-family: var(--font-num);
  font-weight: 300;
  font-size: 24px;
  color: var(--col-black);
  margin-bottom: 14px;
}

.item-price span {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--col-text-light);
}

.item-scene-badge {
  display: inline-block;
  background: var(--col-green);
  color: var(--col-white);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 14px;
  margin-bottom: 16px;
}

.item-desc {
  font-size: 12px;
  line-height: 2;
  color: var(--col-text-light);
  margin-bottom: 20px;
  border-top: 1px solid var(--col-border);
  padding-top: 16px;
}

/* 機能アイコン（小） */
.item-spec-icons {
  display: grid;
  grid-template-columns: repeat(4, 52px);
  gap: 8px;
  margin-bottom: 4px;
}

/* 5番目以降（下段）の先頭を2列目から開始して3つを中央寄せ */
.item-spec-icons .si:nth-child(5) { grid-column: 1; }
.item-spec-icons .si:nth-child(6) { grid-column: 2; }
.item-spec-icons .si:nth-child(7) { grid-column: 3; }

.si {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 9px;
  letter-spacing: 0.05em;
  color: var(--col-green);
  width: 52px;
  text-align: center;
}

.si svg { width: 24px; height: 24px; }

/* 140392 機能グループ */
.item-spec-area { margin-bottom: 4px; }
.spec-group { margin-bottom: 12px; }

.spec-group-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--col-text-light);
  border-bottom: 1px solid var(--col-border);
  padding-bottom: 4px;
  margin-bottom: 8px;
}

.spec-group-inner .spec-group-label {
  color: var(--col-green);
  border-color: var(--col-green);
}

/* カラー */
.item-color { margin-top: 20px; border-top: 1px solid var(--col-border); padding-top: 20px; }

.color-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--col-text-light);
  margin-bottom: 10px;
}

.color-swatches { display: flex; gap: 8px; margin-bottom: 14px; align-items: center; }

.swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: block;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.swatch.active {
  transform: scale(1.2);
  box-shadow: 0 0 0 2px var(--col-white), 0 0 0 3px var(--col-gold);
}

/* カラーリスト：連動ハイライト */
.color-list { display: block; min-height: 3em; }

.color-item {
  font-size: 12px;
  color: var(--col-text-light);
  line-height: 1.7;
  display: none;
}

.color-item.active { display: block; color: var(--col-text); }

.color-item strong { color: var(--col-black); margin-right: 4px; }

/* 購入ボタン */
.btn-buy {
  display: block;
  width: 100%;
  padding: 15px 20px;
  margin-top: 24px;
  background: var(--col-black);
  color: var(--col-white);
  text-align: center;
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.3em;
  transition: background 0.3s;
  box-sizing: border-box;
}

.btn-buy:hover { background: var(--col-gold); }

/* ===== ⑥ 他ページへのリンク ===== */
.other-links { padding: 80px 5%; background: var(--col-white); }
.other-links-inner { max-width: 900px; margin: 0 auto; text-align: center; }

.links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
  text-align: left;
}

.link-card {
  text-decoration: none;
  color: var(--col-text);
  display: block;
  transition: opacity 0.3s;
}

.link-card:hover { opacity: 0.75; }

/* バナーサイズ 550x320 */
.link-img {
  width: 100%;
  aspect-ratio: 550 / 320;
  overflow: hidden;
  background: var(--col-bg);
  margin-bottom: 14px;
}

.link-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.link-series {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 16px;
  color: var(--col-black);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.link-desc {
  font-size: 11px;
  color: var(--col-text-light);
  line-height: 1.7;
}

.btn-wellness {
  display: inline-block;
  padding: 14px 40px;
  border: 1px solid var(--col-gold);
  color: var(--col-gold);
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.2em;
  transition: background 0.3s, color 0.3s;
}

.btn-wellness:hover { background: var(--col-gold); color: var(--col-white); }

/* ===== モーダル ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal-box {
  background: var(--col-white);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--col-text-light);
  line-height: 1;
}

.modal-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 20px;
  color: var(--col-black);
  margin-bottom: 12px;
}

.modal-func {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--col-border);
  align-items: flex-start;
}

.modal-func:last-child { border-bottom: none; }
.modal-func-icon { width: 48px; height: 48px; flex-shrink: 0; }
.modal-func-icon svg { width: 100%; height: 100%; }

.modal-func-en {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--col-black);
  margin-bottom: 2px;
}

.modal-inner-only {
  font-family: var(--font-sans);
  font-size: 10px;
  color: var(--col-green);
  letter-spacing: 0;
  margin-left: 6px;
}

.modal-func-ja { font-size: 11px; color: var(--col-text-light); margin-bottom: 8px; }
.modal-func-body { font-size: 12px; line-height: 1.9; color: var(--col-text); }

/* ===== SP ===== */
@media (max-width: 768px) {
  .fv-catch { font-size: 28px; }
  .section-title { font-size: 22px; }
  .voice-grid { grid-template-columns: 1fr; gap: 16px; }
  .spec-grid { grid-template-columns: repeat(4, 1fr); }
  .spec-item { padding: 16px 8px 14px; }
  .spec-icon { width: 36px; height: 36px; }
  .spec-en { font-size: 9px; }
  .spec-ja { font-size: 9px; }
  .scene-item { grid-template-columns: 1fr; min-height: auto; }
  .scene-item.reverse { direction: ltr; }
  .scene-text { padding: 28px 20px; }
  .links-grid { grid-template-columns: 1fr; gap: 20px; }
  .modal-box { padding: 24px 20px; }
}

/* ===== アイコン画像 ===== */
.spec-icon img { width: 100%; height: 100%; object-fit: contain; }
.si img { width: 24px; height: 24px; object-fit: contain; }
.modal-func-icon img { width: 48px; height: 48px; object-fit: contain; }

/* モーダルセクションラベル */
.modal-section-label {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--col-text-light);
  border-bottom: 1px solid var(--col-border);
  padding-bottom: 6px;
  margin: 20px 0 4px;
}
.modal-section-inner { color: var(--col-green); border-color: var(--col-green); }
/* ===========================
   Coupon
   =========================== */
.coupon-sec {
  padding: 72px 24px;
  background: var(--col-black);
  text-align: center;
}
.coupon-inner {
  max-width: 780px;
  margin: 0 auto;
}
.coupon-label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--col-gold-light);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.coupon-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--col-white);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.coupon-period {
  font-family: var(--font-num);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.08em;
  margin-bottom: 40px;
}
.coupon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 500px;
  margin: 0 auto;
}
.coupon-card {
  border: 1px solid var(--col-gold-light);
  padding: 36px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.coupon-tag {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--col-gold-light);
}
.coupon-pct {
  font-family: var(--font-num);
  font-size: clamp(32px, 5vw, 44px);
  color: var(--col-gold-light);
  letter-spacing: 0.02em;
  line-height: 1;
}
.coupon-btn {
  display: inline-block;
  padding: 10px 32px;
  background: var(--col-gold-light);
  color: var(--col-black);
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.15em;
  transition: opacity 0.3s ease;
}
.coupon-btn:hover { opacity: 0.8; }
@media (max-width: 767px) {
  .coupon-sec { padding: 56px 20px; }
  .coupon-card { padding: 28px 16px; }
}