.page-hero {
  position: relative;
  height: 280px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 70px;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
}

.page-hero-bg::after {
  content: 'ABOUT';
  position: absolute;
  right: -20px;
  bottom: -20px;
  font-size: 160px;
  font-weight: 900;
  color: rgba(41, 182, 216, 0.05);
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.page-title {
  font-size: 48px;
  font-weight: 900;
  color: var(--white);
}

/* ミッション */
.mission-section {
  background: var(--dark);
  text-align: center;
}

.mission-title {
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 900;
  color: var(--primary);
  margin: 16px 0 32px;
  letter-spacing: -2px;
}

.mission-text {
  font-size: 18px;
  line-height: 2.2;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto;
}

/* チーム概要 */
.info-section { background: var(--light); }

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: stretch;
}

.info-table {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.info-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  border-bottom: 1px solid #f0f0f0;
}

.info-row:last-child { border-bottom: none; }

.info-label {
  padding: 18px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--gray);
  background: var(--light);
  letter-spacing: 1px;
}

.info-value {
  padding: 18px 20px;
  font-size: 15px;
  color: var(--dark);
  font-weight: 500;
}

.stats-block {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.big-stat {
  flex: 1;
  background: white;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.big-num {
  display: block;
  font-size: 52px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.big-num small { font-size: 28px; }

.big-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--gray);
  font-weight: 700;
}

/* 歴史 */
.history-section { background: white; }

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 110px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), rgba(41,182,216,0.1));
}

.timeline-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 40px;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 111px;
  top: 9px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--primary);
  z-index: 1;
  transform: translateX(-50%);
}

.timeline-item.current::before {
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(41,182,216,0.2);
}

.timeline-year {
  font-size: 20px;
  font-weight: 900;
  color: var(--primary);
  text-align: right;
  padding-top: 7px;
  padding-right: 20px;
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
}

/* 練習 */
.practice-section { background: var(--light); }

.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.practice-card {
  background: white;
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  border: 1px solid #eee;
}

.practice-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.practice-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.practice-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .info-grid { grid-template-columns: 1fr; }
  .practice-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 80px; }
  .timeline-item { grid-template-columns: 80px 1fr; gap: 24px; }
  .timeline-item::before { left: 81px; transform: translateX(-50%); }
}

@media (max-width: 640px) {
  .page-title { font-size: 32px; }
  .mission-title { font-size: 40px; }
  .timeline { padding: 0 8px; }
  .timeline::before { left: 72px; }
  .timeline-item { grid-template-columns: 64px 1fr; gap: 16px; }
  .timeline-item::before { left: 65px; top: 7px; width: 14px; height: 14px; }
  .timeline-year { font-size: 16px; padding-right: 12px; }
  .timeline-content h3 { font-size: 15px; }
  .timeline-content p { font-size: 13px; }
}