/* ============================================================
   plan-cards.css
   「基本プラン」セクションのカードグリッド（.plan-card 配下のみ）
   ============================================================ */

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

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

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.plan-card:hover {
  border-color: var(--color-line-strong);
  transform: translateY(-2px);
}

.plan-card--featured {
  border-color: var(--color-matcha);
  background: var(--color-surface-2);
}

.plan-card__flag {
  position: absolute;
  top: -0.65rem;
  left: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  background: var(--color-matcha);
  color: var(--color-bg);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-weight: 700;
  margin: 0;
}

.plan-card__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}

.plan-card__desc {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0 0 1.25rem;
  min-height: 2.6rem;
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0 0 0.25rem;
}

.plan-card__price-old {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.plan-card__price-new {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-matcha-light);
}

.plan-card__price-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin: 0 0 1.25rem;
}

.plan-card__list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.plan-card__list li {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.5;
  padding-left: 1.1rem;
  position: relative;
}

.plan-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-matcha);
}