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.mainDesc .maincontent__descttl{background-image:url(/images/tokusyu/lesson/vol003/bg_gara.png);padding:14px 0 10px;color:#f2cd00;font-size:24px;line-height:1;margin-bottom:20px}.lesson .mainDesc .maincontent__text{font-size:18px;font-weight:bold;text-align:left;margin-bottom:5px}.lesson .mainDesc .address__chart{width:100%;border-collapse:collapse;margin-bottom:40px}.lesson .mainDesc .address__chart th{background-color:#ffa4a4;text-align:center;border:solid 1px #fff;padding:10px 5px;width:25%}.lesson .mainDesc .address__chart td{text-align:center;border:solid 1px #fff;padding:0.5rem;vertical-align:middle}.lesson .mainDesc .address__chart tr:nth-child(odd) td{background-color:#ffe9e9}.lesson .mainDesc .address__chart tr:nth-child(even) td{background-color:#fff5f5}.lesson .mainDesc #pc__navs .navs_ttl{text-align:center;font-weight:bold;padding:10px 0 8px;font-size:24px;line-height:1;color:#0883ec}.lesson .mainDesc .plink{margin:0 auto;text-align:center;width:1000px}.lesson .mainDesc 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.yokoku{background-color:#eee;text-align:center;font-size:18px;font-weight:bold;padding:15px 0}.lesson .yokoku__icon{background-color:#333;padding:3px 10px;color:#fff;margin-right:10px;border-radius:3px}.mainContent__innerCont{padding:0 20px;-webkit-box-sizing:border-box;box-sizing:border-box}.mainContent__read{margin-bottom:20px}.mainContent__ttl{margin-bottom:15px}.mainContent__sttl_2{position:relative;padding:3px 15px}.mainContent__sttl_2::after{position:absolute;top:0.5em;left:0;content:'';width:6px;height:calc(100% - 1em);background-color:#3498db;border-radius:4px}.mainContent__sttl{font-size:20px;line-height:1.5;margin-bottom:10px;border-bottom:1px solid #333}.lesson .mainContent img{width:100%}.lesson .leftCont{float:left;margin-right:20px}.lesson .rightCont{float:right;position:relative}.mainContent__box03{padding:10px;font-size:20px}.mainContent__box03 .box-title{padding:0 10px}.mainContent__box03 p{margin:10px 10px 0}.mainContent__box03 ul{margin:20px 0 0 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