.article {
    display: block;
    margin: 10px;
    border-radius: 10px;
    background-color: var(--bg-primary);
    overflow: hidden;
    border: 2px solid var(--bg-tertiary);
    cursor : pointer;
}

.article:hover{
    border-color: var(--bg-secondary);
}

.article h2{
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 1;
            line-clamp: 1; 
    -webkit-box-orient: vertical;
}

@media screen and (max-width: 540px) {
    .article img{
        display: none;
    }
}

.headline {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    height: 140px;
    z-index: 1;
}

.headline img {
    height: 100%;
    object-fit: scale-down;
    aspect-ratio: 4/3;
    padding: 8px;
}

.headline h2 {
    -webkit-box-flex: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
    font-size: 24px;
    line-height: 120px;
}

@media screen and (max-width: 540px) {
    .headline h2{
        font-size: 18px;
    }
}

.headline p {
    position: absolute;
    right: 10px;
    top: calc(100% - 32px);
    color: var(--text-gray);
}

input[type=checkbox] {
    display: none;
}

.article .la-angle-down {
    display: block;
}

.article .la-angle-up {
    display: none;
}

input[type=checkbox]:checked+.article .la-angle-down {
    display: none;
}

input[type=checkbox]:checked+.article .la-angle-up {
    display: block;
}

input:checked+.article .content {
    transition: max-height 1s ease;
    max-height: 300px;
}

.content {
    max-height: 0;
    transition: max-height 1s ease;
    overflow-y: scroll;
}

.content p {
    padding: 20px;
}