/* app/public/css/feature-grid.css
   機能 9 点 grid block. 規約: !important 禁止 / 文字色 hardcode 禁止 / var(--color-*) 経由のみ. */

.feature-grid {
  padding: var(--space-16) 0;
  background: var(--color-bg);
}

.feature-grid__heading {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin: 0 0 0.75rem;
}

.feature-grid__subheading {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 0 0 3rem;
}

.feature-grid__items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: 64rem;
  margin: 0 auto;
  /* BUG-053: <ul> default bullet + padding が出ていた (PC で左寄り見え) */
  list-style: none;
  padding: 0;
}

.feature-grid__item {
  padding: 1.5rem;
  background: var(--color-bg);
}

.feature-grid__icon {
  display: inline-flex;
  width: 1.75rem;
  height: 1.75rem;
  color: var(--color-primary);
}

.feature-grid__label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0.75rem 0 0.375rem;
}

.feature-grid__benefit {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.625;
  margin: 0;
}

@media (max-width: 768px) {
  .feature-grid__items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .feature-grid__items {
    grid-template-columns: 1fr;
  }
}