/* About page */

.ab-hero {
  padding: 180px var(--gutter) 100px;
  border-bottom: 1px solid var(--gray-10);
}
.ab-hero-mono {
  display: flex;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gray-10);
  margin-bottom: 40px;
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}
.ab-hero-title {
  font-size: clamp(72px, 12vw, 180px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  font-family: var(--serif);
  margin-bottom: 32px;
}
.ab-hero-title .jp {
  display: block;
  font-family: var(--jp);
  font-size: 0.22em;
  color: var(--gray-60);
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-top: 16px;
}
.ab-hero-lead {
  font-family: var(--jp);
  font-size: clamp(18px, 2vw, 28px);
  line-height: 1.8;
  font-weight: 500;
  max-width: 720px;
}

.ab-section {
  padding: 120px 0;
  border-bottom: 1px solid var(--gray-10);
}
.ab-section.alt { background: var(--paper-warm); }

.ab-heading {
  font-family: var(--jp);
  font-size: clamp(30px, 3.6vw, 52px);
  line-height: 1.4;
  font-weight: 500;
  margin: 24px 0 40px;
}
.ab-heading .line { display: block; }
.ab-heading .orange { color: var(--accent); }

.ab-body p {
  font-family: var(--jp);
  font-size: 16px;
  line-height: 2.2;
  color: var(--ink-70);
  margin: 0 0 28px;
  max-width: 640px;
}
.ab-body p:last-child { margin-bottom: 0; }

/* message */
.ab-msg-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 72px;
  align-items: start;
}
.ab-photo {
  aspect-ratio: 4 / 5;
  background: var(--paper-warm);
  border: 1px solid var(--gray-10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-30);
  overflow: hidden;
}
.ab-section.alt .ab-photo { background: var(--paper); }
.ab-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ab-sign {
  margin-top: 40px;
  font-family: var(--jp);
  font-weight: 500;
  font-size: 16px;
}
.ab-sign .en {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--gray-60);
  font-size: 14px;
  margin-top: 6px;
}

/* company table */
.ab-table {
  border-top: 1px solid var(--ink);
  max-width: 840px;
}
.ab-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--gray-10);
}
.ab-row dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gray-60);
  padding-top: 5px;
}
.ab-row dd {
  margin: 0;
  font-family: var(--jp);
  font-size: 15px;
  line-height: 1.9;
  font-weight: 500;
}

/* history timeline */
.ab-timeline {
  border-left: 2px solid var(--gray-10);
  margin-left: 8px;
  padding-left: 40px;
  max-width: 720px;
}
.ab-year {
  position: relative;
  padding: 0 0 48px;
}
.ab-year:last-child { padding-bottom: 0; }
.ab-year::before {
  content: '';
  position: absolute;
  left: -47px;
  top: 10px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
}
.ab-year-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 10px;
}
.ab-year-num {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  font-weight: 500;
}
.ab-year-en {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.ab-year p {
  font-family: var(--jp);
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-70);
  margin: 0;
}

/* privacy */
.pv-item { margin-bottom: 48px; max-width: 720px; }
.pv-item:last-child { margin-bottom: 0; }
.pv-h {
  font-family: var(--jp);
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray-10);
}

/* CTA */
.ab-cta {
  padding: 120px 0 140px;
  text-align: center;
}
.ab-cta .section-title { margin: 16px 0 40px; }
.ab-cta-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .ab-hero { padding: 140px var(--gutter) 72px; }
  .ab-section { padding: 80px 0; }
  .ab-msg-grid { grid-template-columns: 1fr; gap: 40px; }
  .ab-photo { max-width: 420px; }
  .ab-row { grid-template-columns: 1fr; gap: 6px; padding: 16px 4px; }
  .ab-timeline { padding-left: 28px; }
  .ab-year::before { left: -35px; }
}
@media (max-width: 860px) {
  .ab-hero { padding-left: 0; padding-right: 0; }
  .ab-hero-lead { font-size: 16px; }
}