#artlsit ul li {width: calc((100% / 4) - 25px);border: 1px solid rgb(216 216 216 / 0%);}
#artlsit ul li .info{padding: 20px 0;}
#artlsit ul li .info h3 {height: 25px;font-size: 18px;}
#artlsit ul{text-align: left;}

/* bookList */
#bookList ul { font-size: 0; }
#bookList ul li {position: relative;margin-bottom: 1px;width: calc((100% / 4) - 20px);display: inline-block;margin: 20px 10px;}
#bookList ul li a.photo{background-size: cover;transition-duration: 1s;}
#bookList ul li h3 {position: relative;padding: 20px 0;left: 0;bottom: 0;}
#bookList ul li h3 a {height: 25px;color: #171717;text-align: center;font-size: 18px;font-weight: 300;letter-spacing: .1em;-webkit-line-clamp: 1;}

/* album-info */
#album-info { display: flex; display: -moz-flex; display: -ms-flex; display: -o-flex; display: -webkit-flex; flex-wrap: wrap; -moz-flex-wrap: wrap; -ms-flex-wrap: wrap; -o-flex-wrap: wrap; -webkit-flex-wrap: wrap; }
#album-info::after { content: ''; flex-grow: 999999999; -moz-flex-grow: 999999999; -ms-flex-grow: 999999999; -o-flex-grow: 999999999; -webkit-flex-grow: 999999999; min-width: 200px; height: 0; }

/* bookBox */
#bookBox .wall { position: relative; overflow: hidden; display: block; }
#bookBox .wall-column { position: relative; float: left; width: 50%; display: block; box-sizing: border-box; }
#bookBox .wall-column .article { position: relative; margin: 15px; }
#bookBox .wall-column .album_box { box-shadow: 0 0 10px #c0c0c0; }
#bookBox .wall-column .article a { display: block; }
#bookBox .wall-column .article h3 { position: absolute; width: 100%; bottom: 0; left: 0; }
#bookBox .wall-column .article h3 a { margin: 10px; padding: 10px; background: rgba(255, 255, 255, .7); text-align: center; font-size: 18px; color: #444; }
#bookBox .wall-column { width: calc(100% / 3); }
#bookBox .wall-column .album_box img { width: 100%; }

@media screen and (min-width: 1281px) {
	#bookList ul li:hover h3{}
	#bookList ul li:hover h3 a{}
	#bookList ul li:hover a.photo { filter: grayscale(100%);}
}
@media screen and (max-width: 1280px) {
	#bookList { padding: 50px 0 20px; }
	#bookBox .wall-column { width: 50%; }
}
@media screen and (max-width: 768px) {
#bookList ul li{
    width: calc((100% / 2) - 20px);
}
}
@media screen and (max-width: 500px) {
	#bookList ul li{width: calc((100% / 2) - 22px);}
	#bookBox .wall-column { width: 100%; }
}