@media (max-width: 768px) {
  #about-mission-01-h201, #about-mission-01-h202, #about-mission-01-h203, #about-mission-02-h201, #about-mission-02-h202, #about-mission-02-h203, #about-mission-03-h201 {
    font-size: var(--h3);
  }
}