/* MB製品ページ — ワイヤーフレーム準拠（page-mb スコープ） */
.page-mb {
  --mb-yellow: #ffcd11;
  --mb-yellow-soft: #fff8d6;
  --mb-text-muted: #555;
  --mb-border: #ddd;
  --mb-surface: #ffffff;
}

.page-mb .u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-mb .mb-page {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.page-mb .mb-page__inner {
  max-width: 960px;
}

.page-mb .mb-page__badge {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #1a1a1a;
  background: var(--mb-yellow-soft);
  border-left: 3px solid var(--mb-yellow);
}

.page-mb .mb-page__lead {
  margin: 0;
  max-width: 52em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mb-text-muted);
}

/* A-2. ヒーロービジュアルグリッド */
.page-mb .mb-hero-visual {
  margin: 2.5rem 0;
}

.page-mb .mb-hero-visual__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--mb-border);
  border: 1px solid var(--mb-border);
  border-bottom: 3px solid var(--mb-yellow);
  overflow: hidden;
}

.page-mb .mb-hero-visual__tile {
  display: flex;
  flex-direction: column;
  background: #111;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.page-mb .mb-hero-visual__tile:hover,
.page-mb .mb-hero-visual__tile:focus-visible {
  outline: 2px solid var(--mb-yellow);
  outline-offset: -2px;
  z-index: 1;
}

.page-mb .mb-hero-visual__media {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  flex-shrink: 0;
}

.page-mb .mb-hero-visual__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-mb .mb-hero-visual__label {
  padding: 0.5rem 0.35rem;
  min-height: 2.8em;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
  background: var(--mb-surface);
  border-top: 1px solid var(--mb-border);
  color: #1a1a1a;
  line-height: 1.35;
}

/* B. カテゴリナビ */
.page-mb .mb-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed var(--mb-border);
}

.page-mb .mb-category-nav a {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  text-decoration: none;
  color: #1a1a1a;
  background: var(--mb-surface);
  border: 1px solid var(--mb-border);
  border-radius: 2px;
  transition: border-color 0.15s, background 0.15s;
}

.page-mb .mb-category-nav a:hover {
  border-color: var(--mb-yellow);
  background: var(--mb-yellow-soft);
}

/* C. カテゴリブロック */
.page-mb .mb-category {
  margin-bottom: 3rem;
  scroll-margin-top: 5rem;
}

.page-mb .mb-category__title {
  font-size: 1.25rem;
  font-weight: 700;
  padding-left: 0.75rem;
  border-left: 4px solid var(--mb-yellow);
  margin: 0 0 0.75rem;
}

.page-mb .mb-category__desc {
  margin: 0 0 0.75rem;
  max-width: 48em;
  font-size: 0.9rem;
  color: var(--mb-text-muted);
}

.page-mb .mb-category__link-wrap {
  margin: 0 0 1rem;
}

.page-mb .mb-category__link {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--mb-text-muted);
  text-decoration: none;
}

.page-mb .mb-category__link:hover {
  color: #1a1a1a;
}

.page-mb .mb-category__arrow {
  color: var(--mb-yellow);
}

.page-mb .mb-category__img {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
  margin: 0 auto 1rem;
}

/* テーブル */
.page-mb .mb-product-table-wrap {
  overflow-x: auto;
  background: var(--mb-surface);
  border: 1px solid var(--mb-border);
}

.page-mb .mb-product-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-mb .mb-product-table thead {
  background: #f0f0ee;
  border-bottom: 2px solid var(--mb-border);
}

.page-mb .mb-product-table th {
  text-align: left;
  padding: 0.65rem 1rem;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--mb-text-muted);
  white-space: nowrap;
}

.page-mb .mb-product-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid #eee;
  vertical-align: middle;
}

.page-mb .mb-product-table tbody tr:last-child td {
  border-bottom: none;
}

.page-mb .mb-product-table tbody tr {
  cursor: pointer;
}

.page-mb .mb-product-table tbody tr:hover {
  background: var(--mb-yellow-soft);
}

.page-mb .mb-product-table__model {
  font-weight: 600;
  white-space: nowrap;
}

.page-mb .mb-product-table__link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1a1a1a;
  text-decoration: none;
  white-space: nowrap;
}

.page-mb .mb-product-table__link:hover {
  text-decoration: underline;
  text-decoration-color: var(--mb-yellow);
  text-underline-offset: 3px;
}

.page-mb .mb-product-table__icon {
  color: var(--mb-yellow);
  font-size: 0.9em;
}

/* E. 注意書き */
.page-mb .mb-disclaimer {
  margin: 0;
  font-size: 0.8rem;
  color: var(--mb-text-muted);
  padding: 1rem;
  background: #f0f0ee;
  border-left: 3px solid #ccc;
}

.page-mb .mb-disclaimer a {
  color: var(--mb-text-muted);
  text-decoration: underline;
}

/* D. CTA */
.page-mb .mb-page-cta {
  background: #1a1a1a;
  color: #fff;
  padding: 3rem 0;
}

.page-mb .mb-page-cta__inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.page-mb .mb-page-cta__title {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
}

.page-mb .mb-page-cta__text {
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}

.page-mb .mb-page-cta__actions {
  margin: 0 0 1rem;
}

.page-mb .mb-page-cta .btn--solid {
  background: var(--mb-yellow);
  border-color: var(--mb-yellow);
  color: #1a1a1a;
}

.page-mb .mb-page-cta .btn--solid:hover {
  background: #e6b800;
  border-color: #e6b800;
}

.page-mb .mb-page-cta__tel {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.page-mb .mb-page-cta__tel a {
  color: #fff;
  text-decoration: underline;
}

@media (max-width: 640px) {
  .page-mb .mb-hero-visual__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-mb .mb-product-table {
    font-size: 0.8rem;
  }

  .page-mb .mb-product-table th,
  .page-mb .mb-product-table td {
    padding: 0.45rem 0.5rem;
  }

  .page-mb .mb-product-table th {
    font-size: 0.72rem;
  }
}