@media screen and (min-width: 721px) {
    #article {
        display: grid;
        grid-template-areas: 
            "titl imag"
            "titl text";
        grid-template-columns: 1.5fr 3fr;
        gap: calc(var(--gutter) / 2) var(--gutter);
        margin-top: var(--gutter-v);
        margin-bottom: calc(var(--gutter-v) *2);
    }
    .artTitleArea {     grid-area: titl; }
    .artImageArea {     grid-area: imag; }
    .artContentArea {   grid-area: text; }

    /** Title **/
    .artTitleArea {
        position: relative;
    }
    .artTitleAreaInner {
        position: sticky;
        top: var(--gutter-v);
        left: 0;
    }
    .artTitleArea h1 {
        font-size: var(--font-size-XXL);
        margin: 0 0 .5em;
    }
}

.artTitleAreaInner {
    padding-bottom: 1em;
    border-bottom: 1px solid rgba(0,0,0,.1);
    margin-bottom: 1rem;
}
.artTitleArea h1 {
    line-height: 1.2em;
    font-weight: 400;
    margin: .5em 0 0;
}

@media screen and (max-width: 720px) {
    .artImageArea {
        margin: 2rem 0;
    }
}