/* ============================================
   CHI SONO — Responsive
   ============================================ */

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-photo { position: relative; overflow: hidden; aspect-ratio: 3/4; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo::before { content: ''; position: absolute; top: -2px; left: -2px; width: 80px; height: 80px; border-top: 2px solid var(--gold); border-left: 2px solid var(--gold); z-index: 1; }
.about-text h2 { margin-bottom: var(--space-lg); }
.about-text p { margin-bottom: var(--space-lg); }
.about-text .btn { margin-top: var(--space-md); }

.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); }
.value-item { text-align: center; padding: var(--space-xl); }
.value-item__number { font-family: var(--font-display); font-size: 42px; font-weight: var(--fw-light); color: var(--gold); line-height: 1; margin-bottom: 8px; }
.value-item__label { font-size: 10px; font-weight: var(--fw-medium); color: rgba(255, 255, 255, 0.4); text-transform: uppercase; letter-spacing: 3px; }

.approach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.approach-card { padding: 48px 36px; background: var(--color-white); border: 1px solid var(--gray-200); transition: all var(--dur-slow); }
.approach-card:hover { border-color: var(--gold); box-shadow: var(--shadow-md); }
.approach-card__number { font-family: var(--font-display); font-size: 48px; font-weight: var(--fw-light); color: rgba(231, 185, 40, 0.2); line-height: 1; margin-bottom: 24px; }
.approach-card h3 { font-size: var(--fs-2xl); margin-bottom: var(--space-md); }
.approach-card p { font-size: var(--fs-base); font-weight: var(--fw-light); color: var(--gray-500); line-height: var(--lh-relaxed); }

@media (max-width: 1024px) {
  .about-intro { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .about-photo { max-width: 400px; margin-inline: auto; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .about-photo { max-width: 100%; aspect-ratio: 4/3; }
  .about-photo::before { width: 50px; height: 50px; }
  .value-item__number { font-size: 32px; }
  .value-item__label { font-size: 9px; letter-spacing: 2px; }
  .value-item { padding: var(--space-md); }
  .approach-card { padding: 32px 24px; }
  .approach-card__number { font-size: 36px; margin-bottom: 16px; }
}

@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr 1fr; gap: 0; }
  .value-item { border-bottom: 1px solid rgba(255,255,255,0.08); }
}