/* artlinks */
.artlinks {
    margin: 0 -20px;
}
.artlinks > a {
    display: block;
    width: 33.33%;
    box-sizing: border-box;
    padding: 20px;
    text-decoration: none;
}
.artlinks .h4 {margin: 10px 0;}
.artlinks img {
    display: block;
    width: 100%;
    transition: 0.4s;
}
.artlinks a:hover img {filter: brightness(75%);}
.artlinks a:hover .h4 {text-decoration: underline;}

/* arttext */
.arttext, .artlinks, .artlist {
    display: flex;
    flex-wrap: wrap;
}
.arttext > img,
.arttext > div {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.arttext {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    align-items: center;
}
.arttext > img {
    width: 50%;
    padding: 20px;
}
.arttext > div {
    width: 50%;
    padding: 0 40px;
    text-align: center;
}
.arttext .h4 {margin-top: 0;}
.artlist {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    align-items: flex-end;
}
.artlist .h3 {
    width: 100%;
    text-align: center;
}
.artlist div {
    width: 20%;
    margin: 0 auto;
}
.artlist img {margin: 10px;}
.arttext-num {font-size: 80px;}

@media (max-width: 700px) {
    .arttext > img {padding: 0;}
    .arttext > div {padding: 0 10px;}
    .artlist div {width: auto;}
    .artlist img {width: 75px;}
}
@media (max-width: 550px) {
    .arttext > img, .arttext > div {width: 100%;}
    .arttext > img {
        margin: 20px 0;
        order: 1;
    }
    .arttext > div {order: 2;}
}
@media (max-width: 500px) {
    .artlinks {margin: 0;}
    .artlinks > a {
        width: 100%;
        padding: 5px 0;
        clear: both;
    }
    .artlinks .h4 {margin: -6px 0 5px;}
    .artlinks img {
        float: left;
        width: 100px;
        margin-right: 15px;
    }
    .artlinks a:hover img {filter: none;}
    .artlinks a:hover .h4 {text-decoration: none;}
}