/* ===================================================================
   TKM — About Page Styles
   =================================================================== */

.about-origin-section,
.about-selection-section {
  padding: 150px 0;
}
.about-philosophy-section {
  padding: 120px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-cta-section {
  padding: 180px 0;
}
.about-title-origin {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}
.about-title-philosophy {
  font-size: clamp(2rem, 5vw, 3.5rem);
}
.about-title-selection {
  font-size: clamp(2.5rem, 6vw, 5rem);
}
.about-title-cta {
  font-size: clamp(3rem, 10vw, 7.5rem);
}
.about-origin-image {
  width: 100%;
  height: clamp(300px, 50vw, 600px);
  object-fit: cover;
}
.about-philosophy-pillar-last {
  border-bottom: none;
}

/* --- Philosophy Pillar --- */
.philosophy-pillar {
  border-bottom: 1px solid var(--border);
  padding: 50px 0;
}
.philosophy-pillar:last-child {
  border-bottom: none;
}
.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 300;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
  margin: 10px 0 15px;
}

/* --- Selection Protocol --- */
.about-selection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.about-selection-card {
  border: 1px solid var(--border);
  padding: 30px 26px;
  min-height: 210px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease);
}
[data-theme="light"] .about-selection-card {
  background: linear-gradient(150deg, rgba(0, 0, 0, 0.03), rgba(0, 0, 0, 0));
}
.about-selection-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}
.about-selection-num {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}
.about-selection-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  text-transform: none;
  letter-spacing: 0;
  margin: 0 0 10px;
  color: var(--text);
}
.about-selection-card p {
  font-size: 0.95rem;
  margin: 0;
}

/* --- Testimonial --- */
.testimonial-block {
  padding: 120px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.testimonial-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--text);
  opacity: 0.85;
  line-height: 1.4;
  font-style: italic;
  max-width: 900px;
  margin: 0 auto 40px;
}
.testimonial-author {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--accent);
}

@media (max-width: 992px) {
  .about-origin-section,
  .about-selection-section {
    padding: 110px 0;
  }
  .about-philosophy-section,
  .testimonial-block {
    padding: 90px 0;
  }
  .about-cta-section {
    padding: 130px 0;
  }
  .about-origin-image {
    height: clamp(300px, 50vw, 500px);
  }
  .about-selection-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}
@media (max-width: 768px) {
  .about-origin-section,
  .about-selection-section {
    padding: 86px 0;
  }
  .about-philosophy-section,
  .testimonial-block {
    padding: 70px 0;
  }
  .about-cta-section {
    padding: 96px 0;
  }
  .about-origin-image {
    height: clamp(240px, 60vw, 360px);
  }
  .philosophy-pillar {
    padding: 34px 0;
  }
  .about-selection-card {
    min-height: auto;
    padding: 24px 18px;
  }
}