#arkdive{margin:32px 0 50px}#nav{margin:0 auto 50px;width:930px}#nav h2{height:415px;margin-bottom:0;position:relative;width:930px}#nav h2 a{bottom:30px;position:absolute;right:26px}#nav ul li{float:left}.arkdive_title{background:url(/img/arkdive/h1_arkdive.webp) no-repeat;box-sizing:border-box;color:#222;font-size:4.2rem;font-weight:700;height:62px;line-height:62px;margin:0 auto 50px;padding-left:55px;width:930px}.arkdive_title sub{color:#999;font-size:1.7rem;font-weight:700;margin-left:4px;vertical-align:baseline}#ann{background:#fffaaa;border:3px solid #ff9123;border-radius:4px;box-sizing:border-box;margin:84px auto 0;padding:16px 0 15px;width:720px}#ann h2{color:#ff9123;font-size:2.1rem;font-weight:700;margin-bottom:10px;text-align:center}#ann .text{display:table;font-size:1.4rem;line-height:1.5;margin:0 auto}#faq .box{margin:0 auto 48px;width:890px}#faq .box .question{background:url(/img/arkdive/arkdive_qa_icon.webp) no-repeat 0 0;box-sizing:border-box;font-size:2.4rem;line-height:1.2;margin:0 0 30px 12px;min-height:36px;padding:0 0 0 48px}#faq .answer.bg01{background:url(/img/arkdive/arkdive_qa_01.webp) no-repeat;height:150px;width:890px}#faq .answer.bg02{background:url(/img/arkdive/arkdive_qa_02.webp) no-repeat;height:190px;width:890px}#faq .answer.bg03{background:url(/img/arkdive/arkdive_qa_03.webp) no-repeat;height:220px;width:890px}#faq .answer dl{padding:34px 20px 0 92px}#faq .answer dl dt{color:#1a568b;font-size:1.8rem;font-weight:700;margin-bottom:18px}#faq .answer dl dd{font-size:1.4rem;line-height:1.5}