.section-menu {
    position: sticky;
    font-size: 0.9em;
}

.section-menu ul {
    position: relative;
}

.section-menu li.back a {
  font-size: 1.1em;
  font-weight: bold;
}

.section-menu a {
    padding: 0.4em 0.6em;
    margin: 0.3em 0;
    color: var(--color-fg);
    border-radius: 0.5em;
    display: block;
}

.section-menu a:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.03);
}

.section-menu a .title {
    flex: 1;
}

.section-menu .active a {
    background: var(--color-highlight);
    color: var(--color-bg);
}

.section-menu .section-menu-sub {
    font-size: 0.8em;
    margin-left: 2em;
}

.section-menu .search-wrapper {
  margin-bottom: 1em;
}