/* ============================================
   コーポレートページ用CSS（ネイビー基調）
   ============================================ */

/* ---- Header Corporate ---- */
.l-header {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.l-header.scrolled {
  box-shadow: 0 2px 20px rgba(44, 62, 80, 0.06);
}

/* ナビリンクのホバー時ゴールドライン */
.c-gnav > li > a {
  position: relative;
  color: var(--navy);
  letter-spacing: 0.04em;
}

.c-gnav > li > a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 0.3s ease;
}

.c-gnav > li > a:hover {
  color: var(--gold);
}

.c-gnav > li > a:hover::after {
  width: 100%;
}

/* ---- Hero Section ---- */
.p-mainVisual {
  margin-top: 0;
}

/* ---- Service Cards ---- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s;
  position: relative;
}

.service-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.4s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(44, 62, 80, 0.08);
}

.service-card:hover::after {
  width: 100%;
}

.service-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.service-card-body {
  padding: 28px 24px;
}

.service-card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 4px;
}

.service-card-sub {
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.service-card-text {
  font-size: 0.875rem;
  color: var(--navy-light);
  line-height: 1.8;
}

/* ---- Numbers Section ---- */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.number-item-value {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 8px;
}

.number-item-label {
  font-size: 0.85rem;
  color: var(--navy-light);
  letter-spacing: 0.04em;
}

/* ---- News List ---- */
.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news-item {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.news-item:first-child {
  border-top: 1px solid var(--border);
}

.news-item:hover {
  padding-left: 12px;
  background: rgba(244, 242, 239, 0.5);
}

.news-date {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--navy-light);
  white-space: nowrap;
  min-width: 100px;
}

.news-tag {
  font-size: 0.7rem;
  padding: 2px 10px;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 1px;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

/* ---- CTA Section ---- */
.cta-section {
  background: var(--navy);
  padding: 80px 0;
  text-align: center;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}

.btn-white {
  display: inline-block;
  padding: 14px 40px;
  background: #fff;
  color: var(--navy);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  border-radius: 2px;
  transition: all 0.25s;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-white:hover {
  background: var(--warm-gray);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* ---- Section Background ---- */
.section--gray {
  background: var(--warm-gray);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.heading-sub {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.heading-section {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--navy);
  margin-bottom: 8px;
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .news-item {
    flex-direction: column;
    gap: 8px;
  }
}