.area{width:100%;margin:auto;flex-wrap:wrap;display:flex}.tab_class{width:calc(100%/4);height:50px;line-height:50px;font-size:14px;text-align:center;display:block;float:left;order:-1;border-bottom:50px solid #d3d3d3;border-left:20px solid transparent;border-right:20px solid transparent;font-weight:700}input[name=tab_name]{display:none}input:checked+.tab_class{border-bottom:50px solid #2b296f;border-left:20px solid transparent;border-right:20px solid transparent;color:#fff;font-weight:700}.content_class{display:none;width:100%}input:checked+.tab_class+.content_class{display:block}.normal-txt{line-height:}@media screen and (max-width:480px){.no-1.width-70.sp-93{width:93%;margin:2% auto}.tab_class{width:calc(100%/2);font-size:13px}}