h1.document-ttl {
    font-size: 3.6rem;
    font-weight: 700;
}
ul > li > ul {
    padding-left: 1em;
}
a {
    text-decoration: underline;
}
@media screen and (max-width: 576px) {
    h1.document-ttl {
    font-size: 2.8rem;
    }
}