/* ==========================================================================
   総合展示場（visitor/exhibition/index.html）
   Breakpoint: SP ~375px / PC 768px+
   ※ 外部デザイナーのカンプはデザインシステムと差異があるため、既存トークン/
      コンポーネント（section, subsection-title, btn, tag, text-link,
      visitor-kv, company-contact）に寄せて実装。
   ========================================================================== */

.exhibition-page .page-header__title-block .section-label__en {
  text-transform: uppercase;
}

/* 汎用アウトラインボタン（.btn--dark に対する明ボタン） */
.exhibition-page .btn--outline {
  background: var(--color-white);
  border: 1px solid var(--color-gray-700);
  color: var(--color-gray-700);
}

.exhibition-page .btn--outline .btn__arrow {
  /* 矢印アイコン(icon-btn-triangle.svg)は白のため、明ボタンでは黒に反転して表示 */
  filter: brightness(0);
}

.btn__arrow--external {
  width: 14px;
  height: 14px;
  background: currentColor;
  -webkit-mask: url("/assets/images/icon-external-box.svg") center / contain no-repeat;
  mask: url("/assets/images/icon-external-box.svg") center / contain no-repeat;
}

/* 共通セクション枠 */
.exhibition-intro,
.exhibition-store,
.exhibition-models,
.exhibition-brand,
.exhibition-access {
  padding: 56px var(--visitor-pad-inline);
}

.exhibition-intro__inner,
.exhibition-sanin__inner,
.exhibition-store__inner,
.exhibition-store__tabs,
.exhibition-models__inner,
.exhibition-brand__inner,
.exhibition-access__inner {
  max-width: var(--visitor-content-max);
  margin-inline: auto;
}

/* ==========================================================================
   総合展示場について（DISCOVER）
   ========================================================================== */
.exhibition-intro__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.exhibition-intro__watermark {
  font-family: var(--font-label);
  font-size: clamp(56px, 16vw, 160px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(0, 0, 0, 0.05);
  user-select: none;
  pointer-events: none;
  margin-bottom: -0.3em;
}

.exhibition-intro__title {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-gray-700);
}

.exhibition-intro__text {
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 2;
  color: var(--color-gray-700);
}

.exhibition-intro__main img {
  display: block;
  width: 100%;
  aspect-ratio: 920 / 600;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.exhibition-intro__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.exhibition-intro__thumb {
  display: block;
  width: 100%;
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.exhibition-intro__thumb.is-active {
  border-color: var(--color-red);
}

.exhibition-intro__thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 山陰ハウジングプラザ（#about セクション内のため左右paddingは親に委譲） */
.exhibition-sanin {
  padding: 8px 0 56px;
}

.exhibition-sanin__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.exhibition-sanin__head {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.exhibition-sanin__title {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-gray-700);
}

.exhibition-sanin__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-gray-700);
}

.exhibition-sanin__figure {
  margin: 0;
}

.exhibition-sanin__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.exhibition-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.exhibition-point {
  padding: 32px;
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
}

.exhibition-point__num {
  display: block;
  font-family: var(--font-label);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-red);
}

.exhibition-point__title {
  margin: 16px 0 12px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-gray-700);
}

.exhibition-point__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-gray-700);
}

/* ==========================================================================
   展示場を見る（店舗タブ切替）
   ========================================================================== */
.exhibition-store {
  padding-top: 0;
}

.exhibition-store__tabs {
  display: flex;
  border-bottom: 1px solid var(--color-gray-300);
  margin-bottom: 40px;
}

.exhibition-store__tab {
  flex: 1;
  padding: 20px 8px;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gray-400);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.exhibition-store__tab.is-active {
  color: var(--color-gray-700);
  border-bottom-color: var(--color-red);
}

.exhibition-store__panel[hidden],
.exhibition-models__panel[hidden],
.exhibition-access__panel[hidden] {
  display: none;
}

.exhibition-store__heading {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-gray-700);
}

.exhibition-store__text {
  margin: 0 0 32px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-gray-700);
}

.exhibition-store__figure {
  margin: 0;
}

.exhibition-store__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1280 / 400;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.exhibition-store__action {
  display: flex;
  justify-content: flex-end;
  margin-top: 32px;
}

/* ==========================================================================
   公開中のモデルハウス
   ========================================================================== */
.exhibition-models {
  background: var(--color-gray-50);
}

.exhibition-model-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.exhibition-model-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.exhibition-model-card__thumb {
  margin: 0;
}

.exhibition-model-card__thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 410 / 273;
  object-fit: cover;
}

.exhibition-model-card__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

.exhibition-model-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.exhibition-model-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-gray-700);
}

.exhibition-model-card__meta {
  display: flex;
  margin: 0;
  font-size: 13px;
  color: var(--color-gray-700);
}

.exhibition-model-card__meta dt {
  flex-shrink: 0;
}

.exhibition-model-card__meta dd {
  margin: 0;
}

.exhibition-model-card__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.exhibition-model-card__btn {
  width: 100%;
  padding: 12px 8px;
  font-size: 13px;
  gap: 8px;
}

.exhibition-model-card__btn--full {
  grid-column: 1 / -1;
}

.exhibition-models__more,
.exhibition-brand__more {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.exhibition-models__empty {
  padding: 48px 0;
  text-align: center;
  font-size: 14px;
  color: var(--color-gray-400);
}

/* ==========================================================================
   ブランドラインナップ
   ========================================================================== */
.exhibition-brand-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.exhibition-brand-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-sm);
}

.exhibition-brand-card__thumb {
  margin: 0;
}

.exhibition-brand-card__thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.exhibition-brand-card__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.exhibition-brand-card__logo {
  height: 34px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  align-self: flex-start;
}

.exhibition-brand-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-gray-700);
}

.exhibition-brand-card__link {
  align-self: flex-end;
}

/* ブランド一覧：TOP共通スライダーを exhibition の1280幅・左端揃えで表示 */
.exhibition-brand .lookfor__brands {
  padding-left: 0;
}

/* 白背景でカードと背景の境界がつくよう、カードにグレー罫線を追加 */
.exhibition-brand .brand-card {
  padding: 16px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   アクセス
   ========================================================================== */
.exhibition-access__card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-sm);
}

.exhibition-access__list {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.exhibition-access__row {
  display: flex;
  gap: 16px;
  padding: 16px 8px;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: 14px;
}

.exhibition-access__row:last-child {
  border-bottom: 0;
}

.exhibition-access__row dt {
  flex: 0 0 96px;
  font-weight: 700;
  color: var(--color-gray-700);
}

.exhibition-access__row dd {
  margin: 0;
  color: var(--color-gray-700);
  line-height: 1.6;
}

.exhibition-access__map {
  margin: 0;
}

.exhibition-access__map iframe {
  display: block;
  width: 100%;
  height: 327px;
  border: 0;
  border-radius: var(--radius-sm);
}

.exhibition-access__action {
  display: flex;
  justify-content: flex-end;
  margin-top: 32px;
}

/* ==========================================================================
   キッズランド併設（米子・境港店のみ）
   ========================================================================== */
.exhibition-kids {
  padding: 56px var(--visitor-pad-inline);
}

.exhibition-kids[hidden] {
  display: none;
}

.exhibition-kids__inner {
  max-width: var(--visitor-content-max);
  margin-inline: auto;
}

.exhibition-kids__text {
  margin: 0 0 32px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-gray-700);
}

.exhibition-kids__photos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.exhibition-kids__photos img {
  display: block;
  width: 100%;
  aspect-ratio: 410 / 307;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.exhibition-kids__action {
  display: flex;
  justify-content: flex-end;
}

/* ==========================================================================
   PC
   ========================================================================== */
@media (min-width: 768px) {
  .exhibition-intro,
  .exhibition-store,
  .exhibition-models,
  .exhibition-brand,
  .exhibition-access,
  .exhibition-kids {
    padding-block: 96px;
  }

  .exhibition-kids__photos {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .exhibition-sanin {
    padding-block: 0 96px;
  }

  /* DISCOVER 2カラム */
  .exhibition-intro__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    column-gap: 80px;
    row-gap: 40px;
    align-items: start;
  }

  .exhibition-intro__watermark {
    position: absolute;
    top: -0.35em;
    left: -0.05em;
    margin: 0;
    z-index: 0;
  }

  .exhibition-intro__lead {
    grid-column: 1;
    grid-row: 1;
    position: relative;
    z-index: 1;
    padding-top: 56px;
  }

  .exhibition-intro__title {
    font-size: 28px;
  }

  .exhibition-intro__main {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: stretch;
  }

  .exhibition-intro__main img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 560px;
  }

  .exhibition-intro__thumbs {
    grid-column: 1;
    grid-row: 2;
  }

  /* 山陰 head 2カラム */
  .exhibition-sanin__head {
    flex-direction: row;
    align-items: center;
    gap: 40px;
  }

  .exhibition-sanin__intro {
    flex: 1 1 40%;
  }

  .exhibition-sanin__title {
    font-size: 28px;
  }

  .exhibition-sanin__figure {
    flex: 1 1 58%;
  }

  .exhibition-points {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .exhibition-point__title {
    font-size: 20px;
  }

  /* タブ（Figma準拠：左寄せ・固定幅） */
  .exhibition-store__tab {
    flex: 0 0 auto;
    width: 428px;
    max-width: 50%;
  }

  /* ブランドカード：PCは余白32px */
  .exhibition-brand .brand-card {
    padding: 32px;
  }

  /* 店舗 */
  .exhibition-store__heading {
    font-size: 32px;
  }

  .exhibition-store__text {
    font-size: 15px;
  }

  /* モデルハウス 3カラム */
  .exhibition-model-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .exhibition-model-card__body {
    padding: 24px;
    gap: 16px;
  }

  /* ブランド 3カラム */
  .exhibition-brand-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .exhibition-brand-card {
    padding: 32px;
  }

  /* アクセス 2カラム */
  .exhibition-access__card {
    flex-direction: row;
    align-items: stretch;
    gap: 40px;
    padding: 40px;
  }

  .exhibition-access__list {
    flex: 1 1 58%;
    justify-content: center;
  }

  .exhibition-access__map {
    flex: 1 1 42%;
  }

  .exhibition-access__map iframe {
    height: 100%;
    min-height: 327px;
  }
}

/* ギャラリーのサムネイルはホバーで透過（選択中の枠線はそのまま） */
.exhibition-intro__thumb {
  transition: opacity 0.2s, border-color 0.2s;
}

.exhibition-intro__thumb:hover,
.exhibition-intro__thumb:focus-visible {
  opacity: 0.85;
}