@media (min-width: 768px), print {
  #about_drain{
    position: relative;
    top: calc(-10 / var(--font-size) * 1rem);
  }

  .about-drain-box__body {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .about-drain-box__image {
    max-width: calc(260 / var(--font-size) * 1rem);
    width: 100%;
    margin-left: calc(60 / var(--font-size) * 1rem);
  }
}

@media (max-width: 767px), print {
  .about-drain-box__body {
    display: flex;
    flex-direction: column-reverse;
  }
  .about-drain-box__contents {
    margin-top: calc(30 / var(--font-size) * 1rem);
  }
  .about-drain-box__image {
    max-width: calc(280 / var(--font-size) * 1rem);
    width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
}