.footer {display: flex; justify-content: space-between; align-items: center; gap:2em;}
.footer__list {width: calc(100% - 6rem);}
.footer__info {width: 100%;}
.footer__detail {margin-bottom: .5em; font-size: calc(var(--para) * 0.8334);}
.footer__detail:last-of-type {margin-bottom: 0;}
.footer__detail span:after {content:' | ';}
.footer__detail span:last-of-type:after {display: none;}
.footer__detail span a {color: inherit;}
.footer__detail--cprt {color: #999;}
.footer__ctrl {position: fixed; right:calc((100% - 1280px) / 2); bottom: 6.5rem; z-index: 10; display: flex; flex-direction: column; gap:calc(var(--para) * 0.8334); transform:translateX(5em)}
.footer__btn {display: flex; justify-content: center; align-items: center; width: 3.75em; height: 3.75em; text-align: center; background-color: #aaa; transition: var(--trans);}

@media(max-width:1536px){
    .footer__ctrl {transform:none; right: 1.5rem;}    
}
@media(max-width:768px){
    .footer__btn {width: 3rem; height: 3rem;}
    .footer__detail span.ceo:after {display: none;}
    .footer__detail span.fax:after {display: none;}
    .footer__detail span.email {display: block;}
}
@media(max-width:500px){
    .footer__detail {font-size: 0.85em;}
}

@media(hover:hover){
    .footer__btn:hover {background-color: var(--prm);}
}