@charset "UTF-8";.exchange{margin-bottom:-1px}.l-main .exchange dl dt{position:relative;cursor:pointer;z-index:1}.l-main .exchange dl dt::after{content:"";display:block;position:absolute;top:40%;right:22%;width:2.67%;height:23.5%;background:url("../image/exchange-open.png") center center/contain no-repeat;transition:.4s;transform:rotate(180deg)}.l-main .exchange dl dt.open::after{transform:rotate(0)}.l-main .exchange dl dd{display:block;position:relative;max-height:0;overflow:hidden;transition:max-height .4s ease}