/* ===== tokens (section-local) ===== */
.lb-col {
  --lbcl-accent: #0250a0;
  --lbcl-ink: #222;
  --lbcl-text: #555;
  --lbcl-muted: #f6f3ed;
  --lbcl-surface: #fff;
  --lbcl-shadow: 0 8px 28px rgba(0, 0, 0, .08);
  --lbcl-cta-circle: #1071ae73;
}

/* ===== section ===== */
.lb-col {
  background: #fbf7f1;
  padding: clamp(32px, 5vw, 72px) 0;
}

.lb-col__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 16px;
}

/* top bar */
.lb-col__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(14px, 3.2vw, 28px);
}

.lb-col__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--lbcl-accent);
  font-weight: 800;
  letter-spacing: .14em;
  font-size: 20px;
}

.lb-col__eyebrow::before {
  content: "";
  width: 56px;
  height: 2px;
  background: #0250a0;
  border-radius: 2px;
}

/* CTA（右側の円のみ） */
.lb-col__cta {
  position: relative;
  display: inline-block;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px;
  color: #0250a0;
  font-weight: 700;
  text-decoration: underline;
  z-index: 0;
  margin: 0;
  font-size: 20px;
}

.lb-col__cta::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 72px;
  height: 72px;
  background: #9dcfff68;
  border-radius: 50%;
  z-index: -1;
}

@media (max-width: 768px) {
  .lb-col__cta {
    font-size: 12px;
    padding: 8px 38px 8px 0;
  }
}

/* heading */
.lb-col__title {
  margin: 0 0 6px;
  color: var(--lbcl-ink);
  font-weight: 800;
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .lb-col__title {
    font-size: 18px;
  }
}


.lb-col__lead {
  margin: 0 0 clamp(18px, 3.6vw, 28px);
  color: var(--lbcl-text);
  line-height: 1.9;
}

@media (max-width: 768px) {
  .lb-col__lead {
    font-size: 12px;
  }
}


/* grid */
.lb-col__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 2.6vw, 24px);
}

.lb-col-card {
  background: var(--lbcl-surface);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--lbcl-shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}

.lb-col-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .1);
}

.lb-col-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.lb-col-card__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}

.lb-col-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* ← contain に変更 */
  background-color: #fff;
  /* 背景白（余白が目立たないように） */
  display: block;
  transition: transform .5s ease;
}


.lb-col-card:hover .lb-col-card__media img {
  transform: scale(1.04);
}

.lb-col-card__meta {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px 0;
  color: #6b7280;
  /* muted */
  font-size: 12px;
}

.lb-col-card__category {
  color: var(--lbcl-accent);
  font-weight: 700;
  font-size: 12px;
}

.lb-col-card__sep {
  opacity: .6;
}

.lb-col-card__title {
  margin: 4px 14px 6px;
  font-weight: 800;
  color: var(--lbcl-ink);
  line-height: 1.6;
  font-size: clamp(15px, 1.2vw, 16px);
}

@media (max-width: 768px) {
  .lb-col__title {
    font-size: 16px;
  }
}

.lb-col-card__excerpt {
  margin: 0 14px 14px;
  color: var(--lbcl-text);
  font-size: 13px;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .lb-col-card__excerpt {
    font-size: 12px;
  }
}


.lb-col__empty {
  color: var(--lbcl-text);
}

/* responsive */
@media (max-width: 1100px) {
  .lb-col__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 820px) {
  .lb-col__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .lb-col__grid {
    grid-template-columns: 1fr;
  }
}