@charset "utf-8";
html, body { font-size: 15px; }




/*--------------------------------------1300----------------------------------*/
@media screen and (max-width:1300px) {
/*--------------------------------------header----------------------------------*/
#header nav #gnb li {width: 110px;height: 74px;}
#header .depth_toggle {
    top: 70px;
}
#header nav .depth_toggle .sub_nav li a {font-size: 1rem; word-break: inherit;}
#header nav .depth_toggle .sub_nav {width: 110px;}
#header .logo a {margin-left: 20px;width: 180px;}


/*--------------------------------------visual----------------------------------*/
.bx-wrapper .bx-pager,
.bx-wrapper .bx-controls-auto {
    bottom: 3rem !important;
    left: 3rem !important;
}
#fp-nav.fp-right {
    left: 1vw;
}
.sec1::before {
    display: none;
}
.main_menu {
    width: calc(100% - 4rem);
}
.main_menu .box {
    padding: 1.5rem 1.5rem;
}
.main_menu .box:nth-child(1) {
    background-size: 36px;
    background-position: 95% 50%;
}
.main_menu .box:nth-child(1).on {
    background-size: 36px;
    background-position: 95% 50%;
}
.main_menu .box:nth-child(2) {
    background-size: 40px;
    background-position: 95% 50%;
}
.main_menu .box:nth-child(2).on {
    background-size: 40px;
    background-position: 95% 50%;
}
.main_menu .box:nth-child(3) {
    background-size: 26px;
    background-position: 95% 50%;
}
.main_menu .box:nth-child(3).on {
    background-size: 26px;
    background-position: 95% 50%;
}
.main_menu .box:nth-child(4) {
    background-size: 22px;
    background-position: 95% 50%;
}
.main_menu .box:nth-child(4).on {
    background-size: 22px;
    background-position: 95% 50%;
}
/*---------------------------------------main-----------------------------------*/

.section .inner {
    padding: 4rem 2rem 2rem;
    width: 100%;
}

.background_bg{
    height: 552px;
}
.cir_graphic{
    left: 50px;
    top: 0;
}
.rec_graphic{
    right: 0;
}
.background_tit_group .background_tit{
    font-size: 32px;
}
.board_box_group .board_box{
    min-width: auto;
    min-height: auto;
}
}




/*--------------------------------------1024----------------------------------*/
@media screen and (max-width:1024px) {
    
/********************************* main *******************************/


}





/*--------------------------------------860----------------------------------*/
@media screen and (max-width:860px) {
    .background_bg{
        height: 564px;
    }
    .cir_graphic{
        left: -50px;
    }
    .background_tit_group{
        flex-direction: row;
        justify-content: space-between;
        align-items:flex-end;
        margin-bottom: 2rem;
    }
    .rec_graphic {
        top: 140px;
    }
    .solution_box_group{
        grid-template-columns: repeat(2, 1fr);
    }
    .solution_box .icon_box{
        width: 50px;
        height: 50px;
    }
    .solution_box .icon_box img{
        width: 32px;
    }
    .solution_box_group .solution_box{
        padding: 16px;
    }
    .background_box_group{
        flex-direction: column;
        gap: 1rem;
    }
    .background_box_group .problem_box{
        flex-direction: row;
        align-items: center;
    }
    .background_arrow img{
        width: 40px;
        transform: rotate(90deg);
    }

    .board_area .board_box_group{
        flex-direction: column;
        gap: 1rem;
    }
    .board_box_group .board_box .board_cont{
        margin: 8px 0;
    }
    .board_area, .gallery_area{
        gap: 2rem;
    }
    .gallery_area .menu_group{
        gap: 1.5rem;
    }
    .gallery_area .gallery_box_group{
        flex-direction: column;
    }
    .gallery_box_group .gallery_box{
        width: 100%;
        max-height: 240px;
    }
    .gallery_box_group .gallery_box .gallery_desc{
        padding: 1rem;
    }

    .tab-menu{
        width: 150px;
    }
    .tab-btn.active::after{
        top: 14px;
    }
    .results_box .results_tit{
        font-size: 24px;
    }
    


}

/*--------------------------------------640----------------------------------*/
@media screen and (max-width:640px) {
    .section.sec_board .inner{
        margin-top: 1rem;
    }

    #header .logo a {
        margin-left: 10px;
        width: 160px;
    }
    #view_btn, #view_btn_white{
        width: 120px;
    }
    #view_btn .circle, #view_btn_white .circle{
        width: 24px;
        height: 24px;
    }
    #view_btn .icon.arrow, #view_btn_white .icon.arrow{
        left: 0;
        width: 14px;
    }
    #view_btn .icon.arrow::before, #view_btn_white .icon.arrow::before{
        top: -3px;
        right: 0px;
        width: 6px;
        height: 6px;
    }
    #view_btn .btn_text, #view_btn_white .btn_text{
        margin: 0 0 0 20px;
    }

    .background_bg{
        height: 567px;
    }
    .background_tit_group{
        gap: 8px;
        margin-bottom: 1rem;
    }
    .background_tit_group .background_tit{
        font-size: 28px;
        width: 330px;
    }
    .background_tit_group .background_tit br{
        display: none;
    }

    .problem_box{
        width: 100%;
        gap: 8px;
        padding: 12px;
    }
    .problem_box .problem_row{
        padding: 0.8rem;
        height: 62px;
        align-content: center;
    }

    .background_box_group{
        flex-direction: column;
        gap: 8px;
    }

    .background_arrow img{
        width: 30px;
    }
    .solution_box_group{
        grid-template-columns:repeat(2, 1fr);
        gap: 8px;
    }

    .board_area{
        flex-direction: column;
    }
    .board_area .menu_group{
        width: 100%;
        gap: 24px;
        height: auto;
    }
    .tab-menu{
        flex-direction: row;
        width: auto;
        gap: 4px;
    }
    .tab-btn{
        padding: 4px 32px 4px 16px;
    }
    .tab-btn.active::after{
        top: 13px;
        right: 16px;
    }
    .board_area .menu_group .title{
        width: auto;
    }

    .gallery_area{
        flex-direction: column;
    }
    .gallery_box_group{
        flex-direction: column;
    }
    .gallery_box_group .gallery_box .gallery_img{
        height: 160px;
    }
    .results_box .results_tit{
        width: 80%;
    }
}   


/*--------------------------------------540----------------------------------*/
@media screen and (max-width:540px) {
    .background_bg{
        height: 616px;
    }
    .background_tit_group .background_tit{
        font-size: 26px;
    }
    .background_box_group .problem_box{
        flex-direction: column;
    }  
    .background_box_group .problem_box .problem_row{
        width: 100%;
        height: 32px;
        padding: 0;
    }




}







/*--------------------------------------480----------------------------------*/
@media screen and (max-width:480px) {

    .background_bg{
        height: 625px;
    }
    .cir_graphic{
        width: 280px;
        height: 280px;
        left: -70px;
        top: 10px;
    }
    .rec_graphic{
        top: 128px;
        right: -60px;
    }
    .solution_box_group{
        grid-template-columns: repeat(1, 1fr);
        width: 100%;
    }
    .solution_box_group .solution_box{
        display:flex;
        gap: 1rem;
        align-items: center;
    }
    .solution_box_group .solution_box .icon_box, .solution_box .txt_box h2{
        margin: 0;
    }
    .tab-btn{
        padding: 4px 26px 4px 14px;
    }
    .results_box_group{
        grid-template-columns: repeat(1, 1fr);
        gap: 1rem;
    }
    .results_box{
        border-radius: 12px;
        height: 140px;
    }
    .results_box .results_tit{
        top: 1.5rem;
        left: 1.5rem;
    }
    .results_box #view_btn_white{
        bottom: 1.5rem;
        left: 1.5rem;
    }
    .banner_wrap{
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    .banner_wrap img{
        width: 100%;
    }
    .section.sec_banner .inner{
        padding: 1rem 0;
    }
}


/*--------------------------------------420----------------------------------*/
@media screen and (max-width:420px) {
    #header .logo a img{
        width: 140px;
    }
    #header .menu_area ul li .lang_switch .lang-btn:first-child::after{
        margin: 0 8px;
    }
    #header .menu_area ul li .lang_container{
        justify-content: end;
    }
    .background_tit_group{
        flex-direction: column;
    }
    .background_tit_group .background_tit{
        font-size: 24px;
        line-height: 130%;
        width: 100%;
    }
    .solution_box_group .solution_box .txt_box{
        width: 80%;
    }
    .solution_box .txt_box h2{
        margin-bottom: 2px;
    }
    .tab-menu{
        flex-direction: column;
    }
    .board_area .menu_group{
        gap: 16px;
        position: relative;
    }
    .board_area .menu_group #view_btn{
        float: right;
        margin-left: auto;
    }
    .gallery_area .menu_group{
        flex-direction: row;
        width: auto;
        justify-content: space-between;
        align-items: center;
    }
    .gallery_box_group .gallery_box .gallery_img{
        height: 140px;
    }
    .gallery_box_group .gallery_box .gallery_desc{
        gap: 8px;
    }
    

}