/* ============================================================
   つなぐ珈琲 — Product Page Design
   単品商品ページ専用スタイル（single-product.php で読み込み）
   ============================================================ */

:root {
  --pd-max: 1100px;
  --pd-pad: 2rem;
  --pd-radius: 2px;
  --pd-espresso: #2C1810;
  --pd-caramel: #8B5E3C;
  --pd-cream: #FFF8F0;
  --pd-warm: #F5EDE3;
  --pd-text: #3D2B1F;
  --pd-text-soft: #7A5C4A;
  --pd-line: rgba(139, 94, 60, 0.18);
  --pd-accent: #C17A4A;
  --pd-green: #4a7c59;
}

/* ---------------------------------------------------------------
   Lightning コンテナ突き破り（商品ページ全幅化）
   Lightning の mainSection → entry-body が max-width を持つため、
   商品ページでは全幅表示できるよう上書きする
   --------------------------------------------------------------- */
.single-product .mainSection,
.single-product .mainSection-col-two,
.single-product .entry-body {
  max-width: 100% !important;
  width: 100% !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  background: transparent !important;
}

.single-product .site-body,
.single-product .site-body-container {
  max-width: 100% !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

/* page-header と breadcrumb を商品ページでは非表示 */
.single-product .section.page-header,
.single-product .breadSection {
  display: none !important;
}

/* ---------------------------------------------------------------
   ページ全体
   --------------------------------------------------------------- */
.tc-product-page {
  background: var(--pd-cream);
  min-height: 100vh;
  font-family: 'Noto Serif JP', 'Playfair Display', Georgia, serif;
  color: var(--pd-text);
}

/* 共通セクションラベル */
.tc-section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pd-accent);
  margin: 0 0 0.5rem;
}

.tc-section-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--pd-espresso);
  margin: 0 0 1rem;
  line-height: 1.35;
}

.tc-section-desc {
  color: var(--pd-text-soft);
  font-size: 0.9rem;
  line-height: 1.85;
  margin: 0 0 2rem;
}

/* ---------------------------------------------------------------
   ヒーロー
   --------------------------------------------------------------- */
.tc-product-hero {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 0;
  min-height: 520px;
  align-items: stretch;
  background: var(--pd-espresso);
}

.tc-product-hero__inner {
  padding: 5rem var(--pd-pad) 4rem;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.tc-product-hero__kicker {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(255, 240, 224, 0.5);
  margin: 0;
  text-transform: uppercase;
}

.tc-product-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  color: #FFF0E0;
  margin: 0;
  line-height: 1.25;
  word-break: keep-all;
}

.tc-product-hero__price {
  margin: 0.25rem 0;
}

.tc-product-hero__price-num {
  font-size: 2.2rem;
  color: var(--pd-accent);
  font-weight: 300;
  letter-spacing: 0.04em;
}

.tc-product-hero__price-tax {
  font-size: 0.8rem;
  color: rgba(255, 240, 224, 0.5);
  margin-left: 0.4rem;
}

.tc-product-hero__desc {
  color: rgba(255, 240, 224, 0.75);
  font-size: 0.88rem;
  line-height: 1.9;
  margin: 0;
}

.tc-product-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--pd-accent);
  color: #FFF0E0;
  text-decoration: none;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  transition: background 0.25s;
  align-self: flex-start;
  margin-top: 0.5rem;
}

.tc-product-hero__cta:hover {
  background: var(--pd-caramel);
  color: #fff;
}

.tc-product-hero__image-wrap {
  overflow: hidden;
  background: var(--pd-warm);
}

.tc-product-hero__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 2rem;
  box-sizing: border-box;
}

/* ---------------------------------------------------------------
   デザインギャラリー
   --------------------------------------------------------------- */
.tc-design-gallery {
  padding: 5rem var(--pd-pad);
  background: #ffffff;
}

.tc-design-gallery__inner {
  max-width: var(--pd-max);
  margin: 0 auto;
  text-align: center;
}

.tc-design-gallery__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.tc-design-gallery__item {
  text-align: center;
}

.tc-design-gallery__item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: var(--pd-warm);
  padding: 0.5rem;
  box-sizing: border-box;
  border: 1px solid var(--pd-line);
  transition: transform 0.3s ease;
}

.tc-design-gallery__item img:hover {
  transform: scale(1.04);
}

.tc-design-gallery__item-label {
  font-size: 0.72rem;
  color: var(--pd-text-soft);
  margin-top: 0.4rem;
  letter-spacing: 0.06em;
}

/* ---------------------------------------------------------------
   注文方法セクション
   --------------------------------------------------------------- */
.tc-order-section {
  padding: 5rem var(--pd-pad);
  background: var(--pd-cream);
}

.tc-order-section__inner {
  max-width: var(--pd-max);
  margin: 0 auto;
  text-align: center;
}

/* タブボタン */
.tc-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 2.5rem 0 0;
  border: 1px solid var(--pd-line);
  background: #fff;
}

.tc-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 1.25rem 0.75rem;
  border: none;
  background: #fff;
  cursor: pointer;
  border-right: 1px solid var(--pd-line);
  transition: background 0.2s;
  text-align: center;
  font-family: 'Noto Serif JP', serif;
}

.tc-tab:last-child {
  border-right: none;
}

.tc-tab:hover {
  background: var(--pd-warm);
}

.tc-tab.is-active {
  background: var(--pd-espresso);
}

.tc-tab.is-active .tc-tab__label,
.tc-tab.is-active .tc-tab__sub {
  color: #FFF0E0;
}

.tc-tab__icon {
  font-size: 1.5rem;
}

.tc-tab__label {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--pd-text);
  letter-spacing: 0.04em;
}

.tc-tab__sub {
  font-size: 0.72rem;
  color: var(--pd-text-soft);
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.06em;
}

/* タブパネル */
.tc-tab-panel {
  display: none;
  text-align: left;
  padding: 2.5rem 2rem;
  border: 1px solid var(--pd-line);
  border-top: none;
  background: #fff;
  animation: pd-fadein 0.25s ease;
}

.tc-tab-panel.is-active {
  display: block;
}

@keyframes pd-fadein {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tc-tab-panel__desc {
  color: var(--pd-text-soft);
  font-size: 0.88rem;
  line-height: 1.9;
  margin: 0 0 1.5rem;
}

/* ---------------------------------------------------------------
   方法A: デザイン選択グリッド
   --------------------------------------------------------------- */
.tc-select-counter {
  font-size: 0.88rem;
  color: var(--pd-text-soft);
  margin-bottom: 1.25rem;
  padding: 0.6rem 1rem;
  background: var(--pd-warm);
  border-left: 3px solid var(--pd-accent);
}

.tc-select-counter strong {
  color: var(--pd-espresso);
  font-size: 1.2rem;
}

.tc-select-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.tc-select-item {
  border: 2px solid var(--pd-line);
  background: #fff;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  user-select: none;
  border-radius: var(--pd-radius);
  overflow: hidden;
}

.tc-select-item:hover {
  border-color: var(--pd-caramel);
}

.tc-select-item.has-selection {
  border-color: var(--pd-espresso);
  box-shadow: 0 0 0 1px var(--pd-espresso);
}

.tc-select-item__img-wrap {
  background: var(--pd-warm);
  padding: 0.75rem;
}

.tc-select-item__img-wrap img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  display: block;
}

.tc-select-item__name {
  font-size: 0.75rem;
  color: var(--pd-text-soft);
  padding: 0.5rem 0 0.25rem;
  letter-spacing: 0.06em;
  margin: 0;
}

.tc-select-item__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0.35rem 0.75rem 0.75rem;
}

.tc-select-btn {
  width: 28px;
  height: 28px;
  background: var(--pd-warm);
  border: 1px solid var(--pd-line);
  color: var(--pd-text);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.tc-select-btn:hover:not(:disabled) {
  background: var(--pd-caramel);
  color: #fff;
  border-color: var(--pd-caramel);
}

.tc-select-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.tc-select-btn--minus { border-radius: 2px 0 0 2px; }
.tc-select-btn--plus  { border-radius: 0 2px 2px 0; }

.tc-select-item__count {
  width: 36px;
  height: 28px;
  background: #fff;
  border-top: 1px solid var(--pd-line);
  border-bottom: 1px solid var(--pd-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--pd-espresso);
  font-weight: 400;
}

/* ---------------------------------------------------------------
   カートフォーム（共通）
   --------------------------------------------------------------- */
.tc-cart-form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.tc-add-to-cart {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  background: var(--pd-espresso);
  color: #FFF0E0;
  border: none;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.25s;
}

.tc-add-to-cart:hover:not(:disabled) {
  background: var(--pd-caramel);
}

.tc-add-to-cart:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: var(--pd-espresso);
}

.tc-cart-form__note {
  font-size: 0.78rem;
  color: var(--pd-text-soft);
  margin: 0;
  font-family: 'Inter', sans-serif;
}

/* ---------------------------------------------------------------
   方法B: 自由デザイン フォーム
   --------------------------------------------------------------- */
.tc-custom-form-block,
.tc-ai-form-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tc-label {
  font-size: 0.82rem;
  color: var(--pd-text);
  letter-spacing: 0.04em;
  margin-bottom: -0.5rem;
  display: block;
}

.tc-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--pd-line);
  font-family: 'Noto Serif JP', serif;
  font-size: 0.88rem;
  color: var(--pd-text);
  background: #fff;
  resize: vertical;
  box-sizing: border-box;
  transition: border-color 0.2s;
  border-radius: var(--pd-radius);
}

.tc-textarea:focus {
  outline: none;
  border-color: var(--pd-caramel);
  box-shadow: 0 0 0 2px rgba(139, 94, 60, 0.1);
}

.tc-select-input {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--pd-line);
  font-family: 'Noto Serif JP', serif;
  font-size: 0.88rem;
  color: var(--pd-text);
  background: #fff;
  border-radius: var(--pd-radius);
  appearance: auto;
}

.tc-custom-flow,
.tc-ai-flow {
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--pd-text-soft);
  background: var(--pd-warm);
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--pd-accent);
  margin: 0;
}

.tc-custom-flow strong,
.tc-ai-flow strong {
  color: var(--pd-text);
  display: block;
  margin-bottom: 0.25rem;
}

/* ---------------------------------------------------------------
   方法C: AIデザイン
   --------------------------------------------------------------- */
.tc-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: linear-gradient(135deg, var(--pd-espresso), #5a3020);
  color: #FFF0E0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  border-radius: 100px;
  margin-bottom: 1rem;
  font-family: 'Inter', sans-serif;
}

/* ---------------------------------------------------------------
   注文フローセクション
   --------------------------------------------------------------- */
.tc-flow-section {
  padding: 5rem var(--pd-pad);
  background: var(--pd-espresso);
}

.tc-flow-section__inner {
  max-width: var(--pd-max);
  margin: 0 auto;
  text-align: center;
}

.tc-flow-section .tc-section-label {
  color: rgba(255, 240, 224, 0.4);
}

.tc-flow-section .tc-section-title {
  color: #FFF0E0;
  margin-bottom: 2.5rem;
}

.tc-flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 220, 170, 0.1);
  text-align: left;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: none;
}

.tc-flow-item {
  background: rgba(255, 255, 255, 0.03);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tc-flow-num {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 400;
  color: var(--pd-accent);
  line-height: 1;
}

.tc-flow-item strong {
  font-size: 0.9rem;
  color: #FFF0E0;
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 400;
}

.tc-flow-item p {
  font-size: 0.8rem;
  color: rgba(255, 240, 224, 0.55);
  line-height: 1.75;
  margin: 0;
}

/* ---------------------------------------------------------------
   レスポンシブ
   --------------------------------------------------------------- */
@media (max-width: 900px) {
  .tc-product-hero {
    grid-template-columns: 1fr;
    min-height: unset;
  }
  .tc-product-hero__image-wrap {
    height: 260px;
    order: -1;
  }
  .tc-product-hero__inner {
    padding: 2.5rem 1.5rem;
    max-width: 100%;
  }
  .tc-design-gallery__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
  }
  .tc-tabs {
    grid-template-columns: 1fr;
    border: none;
    gap: 2px;
    background: var(--pd-line);
  }
  .tc-tab {
    flex-direction: row;
    gap: 0.75rem;
    border-right: none;
    border-bottom: 1px solid var(--pd-line);
    text-align: left;
  }
  .tc-tab:last-child { border-bottom: none; }
  .tc-select-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tc-flow-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .tc-design-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tc-tab-panel {
    padding: 1.5rem 1rem;
  }
  .tc-select-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  .tc-flow-list {
    grid-template-columns: 1fr;
  }
  .tc-add-to-cart {
    width: 100%;
    justify-content: center;
  }
  .tc-cart-form {
    align-items: stretch;
  }
}