header .left_box{height:80px}header .right_box .toggle_btn{top:28px}@media screen and (max-width:480px){header .left_box{height:60px}header .right_box .toggle_btn{top:15px}}.under_library .page_container{margin-top:0}.under_library .page_container .page_wrapper .nav_item section .container .wrapper .box .box_head{flex-wrap:wrap;gap:22px 70px;margin-bottom:40px}.under_library .page_container .page_wrapper .nav_item section .container .wrapper .box .box_head .box_ttl h4{margin-bottom:0}.under_library .page_container .select_box{position:relative}.under_library .page_container .select_box::before{position:absolute;content:"";top:0;bottom:0;right:15px;margin:auto;width:11px;height:11px;background-image:url(../img/common/select_arrow.png);background-position:center;background-repeat:no-repeat;background-size:contain}.under_library .page_container .select_box select{font-size:13px;line-height:1.5;width:200px;padding:10px 15px;border-radius:5px;background-color:var(--c_gry5)}