.sign-index{margin-bottom:48px}.sign-index__list{display:flex;flex-wrap:wrap;gap:24px}.sign-index__list__item{width:160px;border:solid 1px #ddd;box-shadow:1px 1px #999;border-radius:4px;transition:ease .1s}.sign-index__list__item a{display:block;padding:10px 0;width:100%;height:100%;text-decoration:none;text-align:center}.sign-index__list__item:hover{box-shadow:none}.sign-index__list__item:hover a{opacity:.5}