/* ============================================
   SOL+ — About Page Styles
   ============================================ */

/* ── Page Header (shared) ── */
.page-header {
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-sand-300);
}

.page-header__en {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-teal-500);
  margin-bottom: var(--space-sm);
  display: block;
}

.page-header__title {
  font-family: var(--font-heading-ja);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-charcoal);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.page-header__sub {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 2;
  letter-spacing: 0.04em;
}

/* ── Mission ── */
.mission-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.mission-section__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-b2c);
}

.mission-section__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.mission-section__img:hover img {
  transform: scale(1.03);
}

.mission-section__title {
  font-family: var(--font-heading-ja);
  font-size: clamp(20px, 2.5vw, 30px);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-charcoal);
  line-height: 1.5;
  margin-bottom: var(--space-lg);
}

.mission-section__body {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 2.2;
}

/* ── Values ── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.value-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--color-teal-700);
}

.value-card__num {
  font-family: var(--font-heading-en);
  font-size: 40px;
  font-weight: 600;
  color: var(--color-teal-700);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.value-card__title {
  font-family: var(--font-heading-ja);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-charcoal);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
}

.value-card__desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

/* ── Company Info ── */
.company-info-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--color-sand-300);
}

.company-table th {
  text-align: left;
  padding: var(--space-md) var(--space-lg) var(--space-md) 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
  white-space: nowrap;
  vertical-align: top;
  width: 130px;
  letter-spacing: 0.04em;
}

.company-table td {
  padding: var(--space-md) 0;
  font-size: 14px;
  color: var(--color-charcoal);
  line-height: 1.8;
}

.company-table__en {
  font-family: var(--font-heading-en);
  font-size: 13px;
  color: var(--color-text-secondary);
  letter-spacing: 0.06em;
}

.company-map__label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal-500);
  margin-bottom: var(--space-sm);
}

/* ── History ── */
.history-list {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.history-list::before {
  content: '';
  position: absolute;
  left: 72px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: var(--color-sand-500);
}

.history-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-xl);
  padding: var(--space-lg) 0;
  position: relative;
  align-items: start;
}

.history-item::before {
  content: '';
  position: absolute;
  left: 68px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--color-teal-700);
  border: 2px solid var(--color-sand-100);
  box-shadow: 0 0 0 2px var(--color-teal-500);
}

.history-item__year {
  font-family: var(--font-heading-en);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-teal-700);
  letter-spacing: 0.02em;
  line-height: 1.4;
  text-align: right;
  padding-right: var(--space-lg);
}

.history-item__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}

.history-item__desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ── Responsive ── */
@media (max-width: 1023px) {
  .mission-section {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .company-info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .values-grid {
    grid-template-columns: 1fr;
  }

  .history-list::before {
    left: 52px;
  }

  .history-item {
    grid-template-columns: 60px 1fr;
    gap: var(--space-lg);
  }

  .history-item::before {
    left: 48px;
  }

  .history-item__year {
    font-size: 18px;
  }
}