/* ============================================================
   CAREERS BLOG — ブログ採用記事の導線カード
   背景: off-white (#F7F8FA)
   3カードグリッド + 「もっと見る」リンク
   アニメーション: rvシステム（IntersectionObserver）
   ============================================================ */

/* ---- Section Base ---- */
.careers-blog {
  position: relative;
  z-index: var(--z-content, 10);
  background-color: var(--c-bg-section, #F7F8FA);
  padding: 100px 0 120px;
}

/* ---- Container ---- */
.careers-blog__container {
  max-width: var(--s-container, 1200px);
  margin: 0 auto;
  padding: 0 var(--s-gutter, 32px);
}

/* ============================================================
   Header
   ============================================================ */
.careers-blog__header {
  text-align: center;
  margin-bottom: 56px;
}

.careers-blog__eyebrow {
  display: inline-block;
  font-family: var(--f-label, 'Inter', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 14px;
}

.careers-blog__title {
  font-family: var(--f-heading-ja, 'Noto Serif JP', serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--c-navy, #1E3A5F);
  line-height: 1.4;
  margin-bottom: 16px;
}

.careers-blog__subtitle {
  font-family: var(--f-body, 'Noto Sans JP', sans-serif);
  font-size: 1rem;
  color: var(--c-text-light, #555);
  line-height: 1.8;
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   Grid
   ============================================================ */
.careers-blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

/* ============================================================
   Card
   ============================================================ */
.careers-blog__card {
  background: var(--c-bg, #FFFFFF);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--t-base, 0.4s) var(--ease-out),
              transform var(--t-base, 0.4s) var(--ease-out);
}

.careers-blog__card:hover {
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.careers-blog__card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

/* ---- Card Image Area ---- */
.careers-blog__card-img {
  position: relative;
  height: 180px;
  overflow: hidden;
  background-color: var(--c-navy, #1E3A5F);
}

.careers-blog__card-img-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--t-slow, 0.6s) var(--ease-out);
}

.careers-blog__card:hover .careers-blog__card-img-photo {
  transform: scale(1.05);
}

/* ---- Card Body ---- */
.careers-blog__card-body {
  padding: 24px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---- Tag ---- */
.careers-blog__card-tag {
  display: inline-block;
  font-family: var(--f-label, 'Inter', sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 4px;
  align-self: flex-start;
}

.careers-blog__card-tag--gold {
  color: var(--c-gold);
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.25);
}

.careers-blog__card-tag--orange {
  color: var(--c-orange, #E8672A);
  background: rgba(232, 103, 42, 0.08);
  border: 1px solid rgba(232, 103, 42, 0.2);
}

.careers-blog__card-tag--navy {
  color: var(--c-navy, #1E3A5F);
  background: rgba(30, 58, 95, 0.08);
  border: 1px solid rgba(30, 58, 95, 0.2);
}

/* ---- Card Title ---- */
.careers-blog__card-title {
  font-family: var(--f-body, 'Noto Sans JP', sans-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-text, #1A1A1A);
  line-height: 1.55;
  margin: 0;
}

/* ---- Card Excerpt ---- */
.careers-blog__card-excerpt {
  font-family: var(--f-body, 'Noto Sans JP', sans-serif);
  font-size: 0.875rem;
  color: var(--c-text-light, #555);
  line-height: 1.75;
  margin: 0;
  /* 3行でクランプ */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- Read More ---- */
.careers-blog__card-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--f-label, 'Inter', sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-orange, #E8672A);
  margin-top: 4px;
  transition: gap var(--t-base, 0.4s) var(--ease-out);
}

.careers-blog__card:hover .careers-blog__card-read {
  gap: 10px;
}

.careers-blog__card-read .fas {
  font-size: 0.7rem;
}

/* ============================================================
   More Link
   ============================================================ */
.careers-blog__more {
  text-align: center;
}

.careers-blog__more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-body, 'Noto Sans JP', sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-navy, #1E3A5F);
  text-decoration: none;
  border: 1.5px solid var(--c-navy, #1E3A5F);
  border-radius: 8px;
  padding: 12px 28px;
  transition: all var(--t-base, 0.4s) var(--ease-out);
}

.careers-blog__more-link:hover {
  background: var(--c-navy, #1E3A5F);
  color: #FFFFFF;
}

.careers-blog__more-link .fas {
  font-size: 0.75rem;
}

/* ---- Stagger Delays (rv base定義はbase.cssに集約済み) ---- */
.careers-blog .d1 { transition-delay: 0.08s; }
.careers-blog .d2 { transition-delay: 0.16s; }
.careers-blog .d3 { transition-delay: 0.12s; }
.careers-blog .d4 { transition-delay: 0.24s; }
.careers-blog .d5 { transition-delay: 0.36s; }
.careers-blog .d6 { transition-delay: 0.12s; }

/* ============================================================
   Responsive — Tablet (768px)
   ============================================================ */
@media (max-width: 768px) {
  .careers-blog {
    padding: 72px 0 80px;
  }

  .careers-blog__header {
    margin-bottom: 40px;
  }

  .careers-blog__grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 36px;
  }

  .careers-blog__card-img {
    height: 160px;
  }
}

/* ============================================================
   Responsive — Tablet Landscape (1024px)
   ============================================================ */
@media (min-width: 769px) and (max-width: 1024px) {
  .careers-blog__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 3枚目カードを中央に */
  .careers-blog__card:nth-child(3) {
    grid-column: 1 / -1;
    max-width: 480px;
    margin: 0 auto;
  }
}

/* ============================================================
   Responsive — Small Mobile (480px)
   ============================================================ */
@media (max-width: 480px) {
  .careers-blog {
    padding: 56px 0 64px;
  }

  .careers-blog__card-body {
    padding: 20px 20px 24px;
  }

  .careers-blog__card-img {
    height: 140px;
  }
}