summary{background-color:#fff;border-bottom:1px solid #f2f2f2;border-top:1px solid #f2f2f2;color:#333;cursor:pointer;font-size:16px;margin:10px auto;max-width:1100px;padding:16px 40px 20px 50px;position:relative;text-indent:-30px}summary::-webkit-details-marker{color:transparent;position:absolute}summary{display:block}summary::-webkit-details-marker{display:none}summary:before{color:#333;content:"Q";font-family:Montserrat,sans-serif;font-size:20px;font-weight:500;padding-right:10px}details[open] summary,summary:hover{background-color:#f2f2f2}details[open] summary{border-bottom:none;margin-bottom:0}summary:after{color:#333;content:"＋";font-size:130%;position:absolute;right:4px;top:45%;transform:translateY(-50%);transition:transform.5s}details[open] summary:after{content:"ー"}.ac_inner{background-color:#f2f2f2;border-bottom:1px solid #f2f2f2;border-top:none;font-size:14px;margin:auto;padding:10px 20px 20px}details[open] .answer{animation:fadein .5s ease-in-out}.answer{color:#000;display:block;line-height:1.8;margin:auto;padding-left:30px;position:relative}.answer:before{color:#333;content:"A";font-family:Montserrat,sans-serif;font-size:20px;font-weight:500;left:0;line-height:1.2;padding-left:2px;position:absolute}@keyframes fadein{0%{opacity:0}to{opacity:1}}