/* =============================================
   brandconcept.css — SENSETIER Brand Story LP
   style.css 変数継承 + ページ専用スタイル
   カラー起点: #3E231A (Deep Mocha Brown)
   ============================================= */

/* ─── ページ専用カラー変数 ───────────────────── */
.bc-body {
  /* Primary palette — #3E231A 起点 */
  --bc-primary:      #3E231A;   /* Deep mocha — メインカラー */
  --bc-dark:         #2a1610;   /* 最深ブラウン — フッター・ダークセクション */
  --bc-light:        #5c3528;   /* ミッドブラウン — ホバー等 */

  /* Accent — 茶系に溶け込む温かいゴールド */
  --bc-accent:       #c9913a;   /* Warm amber gold */
  --bc-accent-light: #e0b878;   /* Light amber */

  /* Backgrounds */
  --bc-white:        #faf6f2;   /* 温かみのあるオフホワイト */
  --bc-off-white:    #f2e9e1;   /* セクション背景 */
  --bc-bg-section:   #ede2d8;   /* やや濃いベージュ */
  --bc-earth:        #e3d3c5;   /* アースカラー（Composition背景） */

  /* Text */
  --bc-text:         #1e1410;
  --bc-text-muted:   #7a6255;

  /* Border */
  --bc-border:       #d4c0b0;

  background: var(--bc-white);
  overflow-x: hidden;
}

/* ─── NAV ────────────────────────────────────── */
.bc-nav {
  background: rgba(62,35,26,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 24px rgba(0,0,0,0.15);
}

/* ─── REVEAL ─────────────────────────────────── */
.bc-reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity  0.9s cubic-bezier(0.16,1,0.3,1),
    transform 0.9s cubic-bezier(0.16,1,0.3,1);
  transition-delay: var(--d, 0s);
}
.bc-reveal.bc-revealed { opacity: 1; transform: none; }

/* ─── SECTION MARKERS ────────────────────────── */
.bc-section-num {
  font-family: var(--font-hero);
  font-size: 0.65rem;
  font-weight: 200;
  letter-spacing: 0.22em;
  color: var(--bc-accent);
}
.bc-section-num--light { color: var(--bc-accent-light); }

.bc-section-label {
  font-family: var(--font-display);
  font-size: clamp(0.72rem, 1vw, 0.85rem);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bc-accent);
}
.bc-section-label--light { color: var(--bc-accent-light); }

/* ─── BUTTONS ────────────────────────────────── */
.bc-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-hero);
  font-size: clamp(0.7rem, 1vw, 0.82rem);
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.9em 2em;
  border: 1px solid var(--bc-primary);
  color: var(--bc-primary);
  background: transparent;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}
.bc-btn:hover { background: var(--bc-primary); color: var(--bc-white); transform: translateY(-2px); }
.bc-btn svg { transition: transform var(--transition-fast); }
.bc-btn:hover svg { transform: translateX(3px); }

.bc-btn--outline {
  border-color: var(--bc-primary);
  color: var(--bc-primary);
}
.bc-btn--outline:hover { background: var(--bc-primary); color: var(--bc-white); }

.bc-btn--outline-sm {
  font-size: 0.68rem;
  padding: 0.65em 1.4em;
  border-color: rgba(255,255,255,0.4);
  color: var(--bc-white);
}
.bc-btn--outline-sm:hover { background: var(--bc-white); color: var(--bc-primary); border-color: var(--bc-white); }

.bc-btn--gold {
  background: var(--bc-accent);
  color: var(--bc-white);
  border-color: var(--bc-accent);
}
.bc-btn--gold:hover { background: var(--bc-accent-light); border-color: var(--bc-accent-light); }

.bc-btn--ghost {
  border-color: rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.75);
}
.bc-btn--ghost:hover { background: rgba(255,255,255,0.1); color: var(--bc-white); border-color: rgba(255,255,255,0.6); transform: none; }

/* ==============================================
   HERO
   ============================================== */
.bc-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 640px;
  background: var(--bc-dark);
  overflow: hidden;
}

/* 2カラム split */
.bc-hero--split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}

/* 左カラム */
.bc-hero__left {
  position: relative;
  z-index: 2;
  padding: clamp(5rem, 10vh, 8rem) clamp(2rem, 5vw, 5rem) clamp(4rem, 8vw, 6rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bc-dark);
  overflow: hidden;
}
.bc-hero__left::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 0% 30%, rgba(201,145,58,0.10) 0%, transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(62,35,26,0.6) 0%, transparent 50%);
  pointer-events: none;
}

.bc-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-hero);
  font-size: clamp(0.6rem, 1vw, 0.72rem);
  font-weight: 300;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--bc-accent-light);
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
  opacity: 0;
  animation: bcFadeIn 0.8s ease 0.1s forwards;
}
.bc-hero__eyebrow-line {
  width: 0;
  height: 1px;
  background: var(--bc-accent);
  animation: bcLineGrow 1s cubic-bezier(0.7,0,0.2,1) 0.3s forwards;
}
@keyframes bcLineGrow {
  to { width: 44px; }
}

.bc-hero__title {
  display: flex;
  flex-direction: column;
  margin-bottom: clamp(1.6rem, 3vw, 2.4rem);
}

/* テキストはマスクの中から流れ上がってくる */
.bc-hero__title-line {
  display: block;
  overflow: hidden;
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.2vw, 5rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--bc-white);
}
.bc-hero__title-inner {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  animation: bcLineUp 1.1s cubic-bezier(0.18, 0.89, 0.32, 1.02) var(--d, 0.1s) forwards;
}
@keyframes bcLineUp {
  from { transform: translateY(110%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ブランド名と細い水平ライン */
.bc-hero__brand-wrap {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 0.9rem;
}
.bc-hero__brand-line {
  display: block;
  width: 0;
  height: 1px;
  background: rgba(224, 184, 120, 0.5);
  animation: bcLineGrowLong 1s cubic-bezier(0.7,0,0.2,1) 0.5s forwards;
}
@keyframes bcLineGrowLong {
  to { width: 32px; }
}
.bc-hero__brand-name {
  font-family: var(--font-hero);
  font-size: clamp(0.85rem, 1.4vw, 1.05rem);
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bc-accent-light);
  opacity: 0;
  animation: bcFadeUp 0.9s cubic-bezier(0.16,1,0.3,1) var(--d, 0.7s) forwards;
}

.bc-hero__sub {
  font-family: var(--font-sans);
  font-size: clamp(0.85rem, 1.3vw, 1rem);
  font-weight: 300;
  line-height: 1.95;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.72);
  max-width: 26em;
  opacity: 0;
  animation: bcFadeUp 0.8s ease var(--d, 0.85s) forwards;
}

/* 右カラム：画像 */
.bc-hero__right {
  position: relative;
  overflow: hidden;
}
.bc-hero__img-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.bc-hero__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.06);
  animation: bcImgReveal 1.6s cubic-bezier(0.16,1,0.3,1) 0.1s forwards,
             bcImgZoom 8s ease-out 1.7s forwards;
  opacity: 0;
}
@keyframes bcImgReveal {
  from { opacity: 0; clip-path: inset(0 0 100% 0); }
  to   { opacity: 1; clip-path: inset(0 0 0 0); }
}
@keyframes bcImgZoom {
  from { transform: scale(1.06); }
  to   { transform: scale(1.0); }
}
.bc-hero__img-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to left,
    transparent 70%,
    rgba(42,22,16,0.55) 100%
  );
  pointer-events: none;
}

@keyframes bcFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

/* スクロールインジケーター */
.bc-hero__scroll {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: bcFadeIn 1s ease 1.2s forwards;
}
.bc-hero__scroll span {
  display: block;
  width: 1px; height: 52px;
  background: rgba(255,255,255,0.4);
  animation: scrollPulse 2s ease-in-out infinite;
}
.bc-hero__scroll small {
  font-family: var(--font-hero);
  font-size: 0.55rem;
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
}

@keyframes bcFadeIn { to { opacity: 1; } }

/* 縦書きブランド名 */
.bc-hero__vert {
  position: absolute;
  right: clamp(1.2rem, 3vw, 2.5rem);
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: center;
  font-family: var(--font-hero);
  font-size: 0.58rem;
  font-weight: 200;
  letter-spacing: 0.55em;
  color: rgba(255,255,255,0.25);
  text-transform: uppercase;
  white-space: nowrap;
  z-index: 2;
}

/* ==============================================
   ABOUT
   ============================================== */
.bc-about {
  padding: var(--section-pad) 0;
  background: var(--bc-white);
  position: relative;
}

.bc-about__label-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 var(--container-pad);
  max-width: var(--container-max);
  margin: 0 auto clamp(2.5rem,5vw,4rem);
}

/* 写真・テキスト・YT を editorial グリッドに */
.bc-about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.bc-about__text {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  justify-content: center;
  padding-right: clamp(1rem, 3vw, 3rem);
}

.bc-about__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--bc-primary);
}
.bc-about__heading em {
  font-style: italic;
  font-family: var(--font-display);
  color: var(--bc-accent);
}

.bc-about__body {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.bc-about__body p {
  font-family: var(--font-sans);
  font-size: clamp(0.9rem, 1.25vw, 1rem);
  font-weight: 300;
  line-height: 2.1;
  color: var(--bc-text-muted);
}

.bc-about__photo {
  grid-column: 2;
  grid-row: 1 / 3;
  position: relative;
  overflow: hidden;
}
.bc-about__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--transition-slow);
  aspect-ratio: 3 / 4;
}
.bc-about__photo:hover img { transform: scale(1.04); }

.bc-about__photo-caption {
  position: absolute;
  bottom: 1.2rem; left: 1.2rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7);
}

.bc-about__yt {
  grid-column: 1;
  grid-row: 2;
}
.bc-about__yt-inner {
  position: relative;
  aspect-ratio: 16 / 9;
}
.bc-about__yt-inner iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* ==============================================
   PRODUCE — ダーク
   ============================================== */
.bc-produce {
  background: var(--bc-primary);
  color: var(--bc-white);
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}
.bc-produce::before {
  content: '';
  position: absolute;
  right: -200px; top: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,145,58,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.bc-produce__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.bc-produce__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(2.5rem,5vw,4.5rem);
  padding-bottom: 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.bc-produce__items {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: clamp(1.2rem,2.5vw,2rem);
}

.bc-produce__item {
  padding: clamp(1.8rem,3vw,2.8rem) clamp(1.4rem,2.5vw,2.2rem);
  border: 1px solid rgba(255,255,255,0.1);
  transition: border-color var(--transition-mid), background var(--transition-mid);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.bc-produce__item:hover {
  border-color: var(--bc-accent);
  background: rgba(201,145,58,0.05);
}

.bc-produce__item-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2.5rem,4vw,3.5rem);
  color: var(--bc-accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.bc-produce__item-num small {
  font-size: 0.4em;
  letter-spacing: 0.1em;
  vertical-align: super;
}

.bc-produce__item-body h3 {
  font-family: var(--font-serif);
  font-size: clamp(0.95rem,1.5vw,1.15rem);
  font-weight: 500;
  line-height: 1.65;
  color: var(--bc-white);
  margin-bottom: 0.9rem;
}
.bc-produce__item-body p {
  font-family: var(--font-sans);
  font-size: clamp(0.82rem,1.1vw,0.9rem);
  font-weight: 300;
  line-height: 2;
  color: rgba(255,255,255,0.68);
}

/* ==============================================
   COMPOSITION — アース
   ============================================== */
.bc-composition {
  background: var(--bc-earth);
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}
.bc-composition::after {
  content: '';
  position: absolute;
  left: -150px; bottom: -150px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,145,58,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.bc-composition__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(4rem,8vw,9rem);
  align-items: start;
  position: relative; z-index: 1;
}

.bc-composition__left {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.bc-composition__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem,2.8vw,2.2rem);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--bc-primary);
  margin-top: 0.5rem;
}
.bc-composition__title em {
  font-style: italic;
  font-family: var(--font-display);
  color: var(--bc-accent);
}

.bc-composition__layers {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--bc-border);
}

.bc-layer-item {
  padding: clamp(1.4rem,2.5vw,2rem) 0;
  border-bottom: 1px solid var(--bc-border);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: background var(--transition-fast);
}

.bc-layer-item__meta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.bc-layer-item__idx {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--bc-accent);
  line-height: 1;
  min-width: 1.6rem;
}

.bc-layer-item__name {
  font-family: var(--font-hero);
  font-size: clamp(0.72rem,1.1vw,0.85rem);
  font-weight: 300;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bc-primary);
}

/* アニメーションバー */
.bc-layer-item__bar {
  flex: 1;
  height: 1px;
  background: var(--bc-border);
  position: relative;
  min-width: 40px;
  overflow: hidden;
}
.bc-layer-item__bar span {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: var(--w, 50%);
  background: var(--bc-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.16,1,0.3,1) 0.15s;
}
.bc-layer-item.bc-revealed .bc-layer-item__bar span { transform: scaleX(1); }

.bc-layer-item__desc {
  font-family: var(--font-sans);
  font-size: clamp(0.84rem,1.2vw,0.93rem);
  font-weight: 300;
  line-height: 2;
  color: var(--bc-text-muted);
}

/* ==============================================
   TERROIR
   ============================================== */
.bc-terroir {
  background: var(--bc-dark);
  padding: var(--section-pad) 0;
}

.bc-terroir__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: var(--container-max);
  margin: 0 auto clamp(3rem,6vw,5rem);
  padding: 0 var(--container-pad);
}

.bc-terroir__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--container-max);
  margin: 0 auto clamp(4rem,8vw,6rem);
  padding: 0 var(--container-pad);
  gap: clamp(2rem,5vw,5rem);
  align-items: center;
}
.bc-terroir__item--rev { direction: rtl; }
.bc-terroir__item--rev > * { direction: ltr; }

.bc-terroir__img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.bc-terroir__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--transition-slow);
}
.bc-terroir__item:hover .bc-terroir__img img { transform: scale(1.05); }

.bc-terroir__img--soon img { filter: grayscale(30%) brightness(0.8); }
.bc-terroir__soon {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-family: var(--font-display);
  font-size: clamp(0.75rem,1.3vw,1rem);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--bc-white);
  border: 1px solid rgba(255,255,255,0.55);
  padding: 0.7em 2em;
  background: rgba(62,35,26,0.4);
  white-space: nowrap;
}

.bc-terroir__body {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.bc-terroir__product-name {
  font-family: var(--font-hero);
  font-size: clamp(2.5rem,5vw,4rem);
  font-weight: 100;
  letter-spacing: 0.3em;
  color: var(--bc-white);
  line-height: 1;
}

.bc-terroir__place {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(0.88rem,1.4vw,1.05rem);
  color: var(--bc-accent-light);
  letter-spacing: 0.08em;
}

.bc-terroir__tagline {
  font-family: var(--font-serif);
  font-size: clamp(0.9rem,1.4vw,1.05rem);
  font-weight: 400;
  line-height: 1.9;
  color: rgba(255,255,255,0.75);
  border-left: 2px solid var(--bc-accent);
  padding-left: 1rem;
}

.bc-terroir__notes {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.bc-terroir__notes > div {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.bc-terroir__notes dt {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bc-accent);
  min-width: 52px;
  flex-shrink: 0;
}
.bc-terroir__notes dd {
  font-family: var(--font-sans);
  font-size: clamp(0.75rem,1.1vw,0.85rem);
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

.bc-terroir__coming-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
}

/* ==============================================
   FOLLOW US
   ============================================== */
.bc-follow {
  background: var(--bc-bg-section);
  padding: var(--section-pad) 0;
}

.bc-follow__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.bc-follow__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(2.5rem,5vw,4rem);
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--bc-border);
}

.bc-follow__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem,4vw,4rem);
  align-items: start;
}

.bc-follow__card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: clamp(1.8rem,3vw,2.5rem);
  border: 1px solid var(--bc-border);
  background: var(--bc-white);
}
.bc-follow__card--wide { gap: 1.4rem; }

.bc-follow__platform-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(0.7rem,1vw,0.82rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bc-accent);
}

.bc-follow__icon {
  width: 20px; height: 20px;
  color: var(--bc-accent);
  flex-shrink: 0;
}

.bc-follow__handle {
  font-family: var(--font-hero);
  font-size: clamp(1rem,1.8vw,1.3rem);
  font-weight: 200;
  letter-spacing: 0.16em;
  color: var(--bc-primary);
}

.bc-follow__yt {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.bc-follow__yt iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* ==============================================
   CTA
   ============================================== */
.bc-cta {
  position: relative;
  padding: clamp(7rem,14vw,12rem) 0;
  overflow: hidden;
}

.bc-cta__bg {
  position: absolute; inset: 0;
}
.bc-cta__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: blur(3px) brightness(0.55);
  transform: scale(1.05);
}
.bc-cta__overlay {
  position: absolute; inset: 0;
  background: rgba(22,10,8,0.6);
}

.bc-cta__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 var(--container-pad);
}

.bc-cta__label {
  font-family: var(--font-hero);
  font-size: 0.65rem;
  letter-spacing: 0.55em;
  text-transform: uppercase;
  color: var(--bc-accent-light);
  margin-bottom: 1.5rem;
}

.bc-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem,5vw,4rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--bc-white);
  margin-bottom: 2.5rem;
}

.bc-cta__btns {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==============================================
   RESPONSIVE
   ============================================== */
@media (max-width: 960px) {
  /* ヒーロー：縦積み */
  .bc-hero--split {
    grid-template-columns: 1fr;
    grid-template-rows: auto 45vh;
  }
  .bc-hero {
    height: auto;
    min-height: 100vh;
  }
  .bc-hero__left {
    padding: calc(var(--nav-height) + 4rem) 1.6rem 3rem;
  }
  .bc-hero__right {
    position: relative;
    min-height: 360px;
  }
  .bc-hero__img-veil {
    background: linear-gradient(
      to top,
      transparent 70%,
      rgba(42,22,16,0.55) 100%
    );
  }

  .bc-about__grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .bc-about__text  { grid-column: 1; grid-row: 1; padding-right: 0; }
  .bc-about__photo { grid-column: 1; grid-row: 2; }
  .bc-about__photo img { aspect-ratio: 16/10; }
  .bc-about__yt    { grid-column: 1; grid-row: 3; }

  .bc-produce__items { grid-template-columns: 1fr; }

  .bc-composition__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .bc-composition__left { position: static; }

  .bc-terroir__item,
  .bc-terroir__item--rev { grid-template-columns: 1fr; direction: ltr; gap: 0; }
  .bc-terroir__img { aspect-ratio: 16/10; }
  .bc-terroir__body { padding: 2rem 0; }

  .bc-follow__grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .bc-hero__title-line { font-size: clamp(2.2rem,10vw,3.6rem); }
  .bc-produce__item-num { font-size: 2.2rem; }
  .bc-cta__title { font-size: clamp(1.6rem,8vw,2.5rem); }
  .bc-cta__btns { flex-direction: column; align-items: center; }
  .bc-terroir__product-name { font-size: clamp(2rem,10vw,3rem); }
}

/* ==============================================
   フッター上書き — ブラウン系に統一
   ============================================== */
.bc-body .footer {
  background: var(--bc-dark);
}
.bc-body .footer__nav a:hover,
.bc-body .footer__tagline {
  color: var(--bc-accent-light);
}