/* RSO 一覧など: メイン列の min-width でサイドバー幅が 0 になるのを防ぐ */
@media (min-width: 768px) {
  .l-section__wrap {
    display: flex;
    justify-content: space-between;
    column-gap: 3rem;
    align-items: flex-start;
  }

  .l-section__wrap > .l-section__main {
    flex: 1 1 70%;
    width: 70%;
    max-width: 70%;
    min-width: 0;
  }

  .l-section__wrap > .l-section__sidebar {
    flex: 0 0 30%;
    width: 30%;
    max-width: 30%;
    min-width: 0;
  }
}

@media (max-width: 767px) {
  .l-section__wrap > .l-section__sidebar {
    width: 100%;
    max-width: none;
  }
}