.underline-title{font-size:1.2rem;border-bottom:4px solid #272727;margin-bottom:15px;line-height:1.4;padding-bottom:4px}#section-intro .installer-area{text-align:center;margin-top:40px}#section-intro .installer-area .title{font-weight:bold;font-size:1.3rem;margin-bottom:15px}#section-intro .installer-area .installer-list{width:720px;margin:0 auto;display:-moz-flex;display:-ms-flex;display:-o-flex;display:-webkit-box;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;flex-flow:row wrap;-webkit-box-pack:justify;justify-content:space-between}@media only screen and (max-width: 720px){#section-intro .installer-area .installer-list{width:100%;padding:0 20px;-webkit-box-orient:vertical;-webkit-box-direction:normal;flex-flow:column wrap}}#section-intro .installer-area .installer-list li{-webkit-box-flex:0;flex:0 0 48%;max-width:48%;margin-bottom:20px}@media only screen and (max-width: 640px){#section-intro .installer-area .installer-list li{-webkit-box-flex:0;flex:0 0 100%;max-width:100%}}#section-intro .installer-area .installer-list li a{display:block;background-color:#272727;color:#fff;font-weight:bold;border-radius:20px;padding:20px}#section-intro .for-beginner{margin-top:50px}#section-intro .for-beginner ul li{padding-left:23px;position:relative;line-height:1.4;margin-bottom:10px;font-weight:bold}#section-intro .for-beginner ul li:before{content:'';display:block;position:absolute;top:3px;left:0;width:15px;height:15px;border-radius:15px;background-color:#272727}#section-system .table-area table{width:100%;border-collapse:collapse;border:1px solid #272727}#section-system .table-area table th,#section-system .table-area table td{padding:7px;border:1px solid #272727}#section-system .table-area table th{background-color:#dadada}#section-system .table-area table th.title{width:calc(100% - (15%*4));text-align:left}@media only screen and (max-width: 640px){#section-system .table-area table th.title{font-size:0.7rem;width:calc(100% - (10%*4))}}#section-system .table-area table th.os{width:15%;text-align:center}@media only screen and (max-width: 640px){#section-system .table-area table th.os{font-size:0.7rem;width:10%}}#section-system .table-area table td{background-color:#fff;text-align:center}#section-system .table-area table td.title{text-align:left;font-weight:bold}@media only screen and (max-width: 640px){#section-system .table-area table td.title{font-size:0.7rem}}#section-system .table-area table td .supText{font-size:75.5%;vertical-align:top;position:relative;top:-0.1em}#section-system .table-area .annote{font-size:0.8rem;margin-top:7px}#section-system .section-block{margin-top:80px}#section-system .section-block dl dt{background-color:#272727;color:#fff;padding:20px;font-weight:bold}#section-system .section-block dl dd{background-color:#fff;padding:20px;margin-bottom:20px}#section-system .section-block dl dd:last-of-type{margin-bottom:0}@media only screen and (max-width: 640px){#section-system .section-block dl dd{font-size:0.8rem}}