@media (max-width: 700px) {
  .route-table td:nth-child(2)::before { content: '시간'; }
  .route-table td:nth-child(3)::before { content: '요금'; }
  .route-table td:nth-child(4)::before { content: '종류'; }
  .route-table-panel .mini-table td:nth-child(2)::before { content: '운항 · '; }
  .route-table-panel .mini-table td:nth-child(3)::before { content: '요금 · '; }
}