@media (min-width: 768px) {
  .nikkeib-sidebar-scroll {
    position: sticky;
    top: 64px;
    align-self: flex-start;
    max-height: calc(100vh - 72px);
    max-height: calc(100dvh - 72px);
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior-y: contain;
    scrollbar-gutter: stable;
    z-index: 1020;
  }
  .nikkeib-sidebar-scroll .dropdown-menu {
    position: fixed !important;
    transform: none !important;
    right: auto !important;
    bottom: auto !important;
    width: max-content;
    min-width: 0;
    max-width: calc(100vw - 16px);
    max-height: calc(100vh - 16px);
    margin-top: 0;
    padding-top: 0;
    overflow: auto;
    z-index: 1050;
  }
}