/* main */
.header-title .header-title-in {
    background:#fff;
}
.header-title .header-title-in.scr {
    margin-top:0;
    background:none;
}
.header-title .header-title-in .title-image-center {
    filter: grayscale(100%) brightness(0);
}
.header-title .header-title-in.scr .title-image-center {
    filter: none;
}
.header-title .header-title-in.scr #gnb ul.nav_list li a {
    color:#fff;
}
.header-title .header-title-in #gnb ul.nav_list li a img {
    filter: none;
}
.header-title .header-title-in.scr #gnb ul.nav_list li a img {
    filter: brightness(0) invert(1);
}
.header-title .header-title-in #gnb ul.nav_list li a {
    color:#000;
}

.section {
    position:relative;
    width:100%;
}
.main_visual {
    position:relative;
    width:100vw;
    height:100vh;
}

.main_visual .swiper-slide {
    position:relative;
    width:100vw;
    height:100vh;
}
.main_visual .swiper-slide.mb01 {
    background:url(../image//main/bg_mb01.jpg) no-repeat center;
    background-size:cover;
}
.main_visual .swiper-slide.mb02 {
    background:url(../image//main/bg_mb02.jpg) no-repeat center;
    background-size:cover;
}
.main_visual .swiper-slide .slider_wrap {
    display:flex;
    justify-content: flex-start;
    align-items: center;
    margin:0 auto;
    padding:5.625em 1em 0;
    width:100%;
    max-width:82em;
    height:100%;
    box-sizing:border-box;
}
.main_visual .swiper-slide.swiper-slide-active::after .slider_wrap .text_area {
    margin-bottom:10vw;
}
.main_visual .swiper-slide .slider_wrap .text_area * {
    display:block;
    color:#fff;
    line-height:1.25em;
}
.main_visual .swiper-slide .slider_wrap .text_area span {
    font-size:3.5em;
    font-weight:600;
}
.main_visual .swiper-slide .slider_wrap .text_area p {
    margin-top:1em;
    font-size:2em;
}

.main_visual .swiper-pagination {
    display:flex;
    justify-content:flex-start;
    align-items: center;
    left:50%;
    padding:0 5em;
    width:100%;
    max-width:82em;
    bottom:27.85vh;
    color:rgba(255,255,255,.5);
    transform:translateX(-50%);
}
.main_visual .swiper-pagination span {
    color:#fff;
    opacity:.5;
}
.main_visual .swiper-pagination span.swiper-pagination-current {
    opacity:1;
}

.main_visual .autoplay-progress {
    position: absolute;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    left:50%;
    bottom: 27vh;
    padding:0 1em;
    width:100%;
    max-width:82em;
    height: 3rem;
    font-weight: 400;
    color: #fff;
    transform:translateX(-50%);
    z-index: 10;
}

.main_visual .autoplay-progress svg {
    --progress: 0;
    position: absolute;
    left: 1em;
    top: 0;
    z-index: 10;
    width: 48px;
    height: 48px;
    stroke-width: 4px;
    stroke: rgba(255,255,255,.5);
    fill: none;
    stroke-dashoffset: calc(125.6 * (1 - var(--progress)));
    stroke-dasharray: 125.6;
    transform: rotate(-90deg);
}
.main_visual .autoplay-progress span {
    display:block;
    width:48px;
    line-height:3rem;
    text-align:center;
}

.main_visual .scroll {
    position:absolute;
    left:50%;
    bottom:4em;
    transform:translateX(-50%);
    z-index: 1;
}

.s150slide {
    display:none;
}

.fixed_cont {
    position: relative;
    display:flex;
    flex-wrap:wrap;
    justify-content:flex-start;
    align-items:center;
    margin:0 auto;
    /* padding:10em 1em; */
    width:100%;
    /* max-width:82em; */
    height:100vh;
}
.fixed_cont .text_area {
    position:relative;
    width:24em;
    z-index: 2;
}


.fixed_cont > .swiper-wrapper .swiper-slide .img_area {
    position:relative;
    display:block;
    overflow:hidden;
    margin:0;
    padding-top:70%;
    width:90%;
    border-radius:50em;
    opacity:.3;
    transition: all ease-in-out .5s;
}
.fixed_cont > .swiper-wrapper .swiper-slide.swiper-slide-active .img_area {
    padding-top:70%;
    width:90%;
    opacity:1;
    border-radius:0;
}
.fixed_cont > .swiper-wrapper .swiper-slide .img_area img {
    position:absolute;
    top:0;
    left:0;
    width:auto;
    min-width:100%;
    height:100%;
    object-fit: cover;
    transition: all ease-in-out .5s;
}


.fixed_cont {
    position: relative;
    height: calc(100vh * 5);
    margin-top: 5.625em;
}
.fixed_cont .slide_box {
    position: absolute;
    left: calc((100% - 82em)/2 + 1em);
    top: 30vh;
    height: 100vh;
    z-index: 5;
    width: 100%;
}
.fixed_cont .row_scroll {
    position: absolute;
    width: 100%;
    left: 60%;
    top: 30vh;
    transform:translateY(-50%);
    /* height: 100vh;
    max-width: 2000px;
    min-width: 1600px; */
}
.fixed_cont .row_scroll .img_wrap {
    display: flex;
    justify-content: flex-start;
    align-items: flex-end;
    gap:10em;
    transition: transform 1s ease-out;
}
.fixed_cont .row_scroll .img_wrap .img {
    position:relative;
    margin-top:5%;
    padding-top:15%;
    width: 25%;
    flex-shrink: 0;
    filter: grayscale(100%);
    transition: all 1s;
    transform: translateY(0);
}
.fixed_cont .row_scroll .img_wrap .img:before {
    content:'';
    position:relative;
    display:block;
    margin:0 0 1.875em auto;
    width:5.625em;
    height:.75em;
    opacity:0;
    background:url(../image/main/arrow_slider.svg) no-repeat center;
    background-size:cover;
    transition: all 1s;
}
.fixed_cont .row_scroll .img_wrap .img.active {
    padding-top:20%;
    filter:none;
    margin-top: 0;
    transform: translateY(0);
}
.fixed_cont .row_scroll .img_wrap .img.active:before {
    opacity:1;
}
.fixed_cont .row_scroll .img_wrap .img img {
    width:100%;
    border-radius: 50em;
    transform:translateY(10%) scale(.9);
    transition: all 1s;
}
.fixed_cont .row_scroll .img_wrap .img.active img {
    transform:translateY(0) scale(1);
    border-radius: 0;
}
.fixed_cont .row_scroll .img_wrap .img.end {
    opacity: 0;
}
.fixed_cont.sticky .cont_box {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
}
.fixed_cont.sticky_end .cont_box {
    position: absolute;
    top: auto;
    bottom: 0;
    width: 100%;
    height: 100vh;
}
.fixed_cont .fade_box {
    opacity: 0;
    transition: all 1s;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
}
.fixed_cont .fade_box.active {
    opacity: 1;
}
.fixed_cont .fade_box .eng_tit {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: #1947ba;
    text-transform: uppercase;
}
.fixed_cont .fade_box .tit_box {
    margin-top: 60px;
}
.fixed_cont .fade_box .tit {
    font-weight: 700;
    font-size: 48px;
}
.fixed_cont .fade_box .txt {
    font-size: 23px;
    margin-top: 15px;
}
.fixed_cont .fade_box .view_btn {
    margin-top: 100px;
}

.fixed_cont .text_area > span {
    font-size:2.4em;
    font-weight:800;
    line-height:1.25em;
}
.fixed_cont .text_area > span span {
    font-size:1em;
    color:#11E0AE;
}
.fixed_cont .fade_box .text_area span {
    font-size:2.875em;
    font-weight:600;
}
.fixed_cont .fade_box .text_area .sec_tit {
    display:block;
    margin-bottom:1.5em;
    font-size:1.5em;
    color:#00A0DD;
}
.fixed_cont .fade_box .text_area p {
    margin-top:1.875rem;
    font-size:1.125em;
    text-overflow: ellipsis;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    line-height: 1.5em;    /* 추가 */
    height: 6em;
}

.fixed_cont .fade_box .text_area .btn_more {
    display:table;
    margin-top:3em;
    padding:.5em 1em;
    color:#00A0DD;
    border:1px solid #00A0DD;
    border-radius: 5em;;
    transition:all .3s ease-in-out;
}
.fixed_cont .fade_box .text_area .btn_more:hover {
    color:#fff;
    background-color:#00A0DD;
}

/* introduce */
.section.ms03 {
    position:relative;
    padding:10em 0;
    background-color: #F7F7F7;
}

.introduce {
    position: relative;
    margin:0 auto;
    padding:0 1em;
    width:100%;
    max-width:82em;
}

.introduce .sec_tit {
    font-size:2.875em;
    font-weight:600;
}
.introduce .sec_tit span {
    color:#00A0DD;
}
.introduce ul {
    display:flex;
    flex-wrap:wrap;
    justify-content: flex-start;
    align-items: stretch;
    gap:1.625em;
    margin-top:5em;
    width:100%;
}
.introduce ul li {
    position:relative;
    display:block;
    width:calc((100% - 4.875em) / 4);
    overflow: visible;
    perspective: 1000px;
}
.introduce ul li .img_area {
    position: relative;
    width:100%;
    transform-style: preserve-3d;
}
/* .introduce ul li:hover .img_area {
    transform: rotateY(0deg);
} */
.introduce ul li .img_area::after {
    display:block;
    content:'';
    padding-bottom:100%;
    z-index: -1;
}
.introduce ul li .img_area > div {
    position:absolute;
    top:0;
    left:0;
    display:flex;
    flex-direction:column;
    justify-content: center;
    align-items: center;
    width:100%;
    height:100%;
    border-radius:100%;
    background-color:#fff;
    /* overflow:hidden; */
    backface-visibility: hidden;
}
.introduce ul li .img_area .front {
    z-index: 2;
}
.introduce ul li .img_area .back {
    transform: rotateY(180deg);
    transition: all ease-in-out .3s;
}
.introduce ul li:hover .img_area .back {
    transform: rotateY(180deg) translateY(-5%);
    box-shadow:0 0 1em rgba(0,0,0,0.05);
}
.introduce ul li .img_area .back * {
    display:block;
    width:100%;
    text-align:center;
    text-transform: uppercase;
}
.introduce ul li .img_area .back span {
    font-size:2.5em;
    font-weight:600;
}
.introduce ul li .img_area .back p {
    margin:0;
    font-size:1.25em;
}
.introduce ul li .text_area {
    padding:3.125em 1em 0;
}
.introduce ul li .text_area img.ico {
    display:table;
    margin:0 auto;
    width:100%;
    max-width:5.06em;
}
.introduce ul li .text_area p {
    text-align: center;
}

/* clients list */
.section.ms04 {
    position:relative;
    padding:10em 0;
}
.clients {
    position: relative;
    margin:0 auto;
    padding:0 1em;
    width:100%;
    max-width:82em;
}
.clients .sec_tit {
    font-size:2.875em;
    font-weight:600;
}

.clients_list {
    margin-top:5em;
}
.clients_list .swiper-wrapper {
    display:flex;
    justify-content: flex-start;
    align-items: center;
    gap:3.75em;
    transition-timing-function: linear;
}
.clients_list .swiper-wrapper .swiper-slide {
    display:table;
    width:auto;
}

.header-title .header-title-in.scr .gnb_mob .menuBtn svg rect {
    fill:#fff;
}

@media screen and (max-width:768px) {
    .main_visual,
    .main_visual .swiper-slide {
        height:120vw;
    }

    .main_visual .swiper-slide .slider_wrap {
        display:block;
    }
    .main_visual .swiper-slide .slider_wrap .text_area {
        margin-top:17vw;
    }
    .main_visual .swiper-slide .slider_wrap .text_area span {
        font-size:2em;
    }
    .main_visual .swiper-slide .slider_wrap .text_area p {
        font-size:1em;
    }

    .main_visual .swiper-pagination {
        bottom:6.7em;
    }
    .main_visual .autoplay-progress {
        bottom:6em;
    }

    .main_visual .scroll {
        display:none;
    }


    .fixed_cont {
        display:none;
    }

    .s150slide {
        display: block;
        padding:5em 1em;
    }
    .s150slide > .swiper-wrapper .swiper-slide,
    .s150slide > .swiper-wrapper .swiper-slide.swiper-slide-active {
        padding-left:0;
        height:auto;
        max-height:100%;
    }
    
    .s150slide > .swiper-wrapper .swiper-slide .text_area,
    .s150slide > .swiper-wrapper .swiper-slide.swiper-slide-active .text_area {
        position:relative;
        left:auto;
        top:auto;
        width:100%;
    }
    .s150slide > .swiper-wrapper .swiper-slide .text_area .sec_tit {
        display: block;
        margin-bottom: 1.5em;
        font-size: 1.5em;
        color: #00A0DD;
    }
    .s150slide > .swiper-wrapper .swiper-slide .text_area span {
        font-size: 2.875em;
        font-weight: 600;
    }
    .s150slide > .swiper-wrapper .swiper-slide .text_area .btn_more {
        display: table;
        margin-top: 1em;
        padding: 0.5em 1em;
        color: #00A0DD;
        border: 1px solid #00A0DD;
        border-radius: 5em;
    }
    .s150slide > .swiper-wrapper .swiper-slide .img_area,
    .s150slide > .swiper-wrapper .swiper-slide.swiper-slide-active .img_area {
        position:relative;
        margin-top:1em;
        width:100%;
    }
    .s150slide > .swiper-wrapper .swiper-slide .img_area:before {
        content: '';
        position: absolute;
        display: block;
        top:-2.5em;
        right:0;
        width: 2.5em;
        height: 0.35em;
        background: url(../image/main/arrow_slider.svg) no-repeat center;
        background-size: contain;
        transition: all 1s;
    }
    .s150slide > .swiper-wrapper .swiper-slide .img_area img {
        width:100%;
        object-fit: cover;
    }
    .s150slide > .swiper-wrapper .swiper-slide .text_area .sec_tit {
        font-size:.875em;
    }
    .s150slide > .swiper-wrapper .swiper-slide .text_area span {
        font-size: 2.125em;
    }
    .s150slide > .swiper-wrapper .swiper-slide .text_area .btn_more {
        margin:1em 0 2em;
    }
    .s150slide > .swiper-wrapper .swiper-slide .text_area p {
        text-overflow: ellipsis;
        overflow: hidden;
        margin-top:1rem;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
        line-height: 1.5em;    /* 추가 */
        height: 6em;        /* line-height x line */
    }

    .section.ms03 {
        padding:5em 0;
    }
    .introduce .sec_tit {
        font-size:1.75em;
    }
    .introduce .sec_tit br {
        display:none;
    }

    .introduce ul {
        margin-top:3.125em;
    }
    .introduce ul li {
        width:100%;
    }
    .introduce ul li .img_area {
        margin:0 auto;
        width:60vw;
    }
    .introduce ul li .img_area .back span,
    .clients .sec_tit {
        font-size:1.75em;
    }
    .introduce ul li .text_area {
        padding:1em 0 3.5em;
    }
    .introduce ul li .text_area img.ico {
        max-width:2.5em;
    }
}