.readmore{display:none}@media screen and (max-width:979px){.hide-text{display:none}.readmore{display:block}.readmore{font-size:13px;color:#03a9f4;margin:24px auto 0 auto;padding:11px 0 0 0;height:29px;width:100%;max-width:372px;border:1px solid #03a9f4;background-color:#fff;transition:opacity .3s;position:relative;text-align:center}.readmore p{transition:all 0}.readmore:not(.open):before{display:block;content:"";position:absolute;top:14px;right:22px;width:10px;height:10px;border-top:solid 2px #03a9f4;-webkit-transform:rotate(90deg);transform:rotate(90deg)}.readmore:after{display:block;content:"";position:absolute;top:19px;right:17px;width:10px;height:10px;border-top:solid 2px #03a9f4}.readmore:hover{opacity:.7}.readmore.open{font-size:0}.readmore.open:before{font-size:13px;content:"閉じる"}.hide-text.open{display:inline}}