/* =========================================
   strengths.css
   強み(選ばれる理由)
   ========================================= */

.strengths {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.strengths .eyebrow {
  color: var(--color-accent);
}

.strengths .section-title {
  color: #fff;
}

.strengths .section-lead {
  color: rgba(245, 245, 245, 0.7);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.strength-card {
  position: relative;
  padding: 36px 32px;
  border: 1px solid rgba(245, 245, 245, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.strength-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 90, 43, 0.6),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 1s var(--ease);
}

.strength-card:hover {
  border-color: rgba(245, 245, 245, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.strength-card:hover::before {
  transform: translateX(100%);
}

.strength-card__num {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.strength-card__title {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.strength-card__desc {
  font-size: 14px;
  line-height: 1.95;
  color: rgba(245, 245, 245, 0.7);
}

@media (max-width: 760px) {
  .strengths-grid {
    grid-template-columns: 1fr;
  }
}