#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}#gallery .inner{margin-bottom:48px}#gallery .inner .gallery_title{margin-bottom:50px;text-align:center}#gallery .inner .box{margin:0 auto;width:890px}#gallery .inner .box .left_box{float:left;width:460px}#gallery .inner .box dl dt{margin-bottom:13px}#gallery .inner .box dl dd{font-size:0;padding-left:5px}#gallery .inner .box dl dd .number{color:#145992;display:inline-block;font-size:4.2rem;font-weight:700;line-height:.9;vertical-align:top;width:55px}#gallery .inner .box dl dd .text{display:inline-block;font-size:1.4rem;line-height:1.5;vertical-align:top;width:400px}#gallery .inner .box .right_box{float:right;font-size:0;line-height:1;width:409px}#gallery .inner .box .right_box .scroll_box{height:365px;overflow-y:scroll}#gallery .inner .box .right_box .sub_title{margin-bottom:10px;text-align:center}#gallery .inner .box .right_box .swiper-wrapper{display:block}#gallery .inner .box .right_box .swiper-wrapper .swiper-slide{float:left;height:90px;margin-bottom:10px;width:120px!important}#gallery .inner .box .right_box .swiper-wrapper .swiper-slide img{height:100%;-o-object-fit:contain;object-fit:contain;width:100%}#gallery .inner .box .right_box .swiper-wrapper .swiper-slide:not(:nth-of-type(3n)){margin-right:10px}#gallery .inner .box .right_box .swiper-wrapper .swiper-slide:nth-child(3n+1):nth-last-child(-n+3),#gallery .inner .box .right_box .swiper-wrapper .swiper-slide:nth-child(3n+1):nth-last-child(-n+3)~li{margin-bottom:0}#gallery .btn01{margin-top:60px;text-align:center}