.corporation-list{width:50vw;margin:0 auto}.corporation-list .corporation-item{height:10vw;width:25vw;float:left}.corporation-list .corporation-item a{background-position:center center;background-repeat:no-repeat;background-size:contain;display:block;width:100%;height:100%}.hint-text{position:absolute;bottom:7vh;left:0;right:0;text-align:center;font-size:22px}@media screen and (max-width:640px){section{width:88vw;padding-right:12vw}.corporation-list{width:76vw}.corporation-list .corporation-item{height:100px;width:38vw}}