#main_content{
    width: 100%;
}


/* slide */
.main_banner{
    width: 100%;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.main_banner video{
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.visual{
    width: 100%;
    height: 100vh;
    position: absolute;
    overflow: hidden;
}

.v_0,
.v_1,
.v_2{
    width: 100%;
    height: 100vh;
}

.v_0 img,
.v_1 img,
.v_2 img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.v_0 .center,
.v_1 .center,
.v_2 .center{
    height: 100%;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: flex-end;
    padding-bottom: 10%;
    box-sizing: border-box;
}

.mt{
    height: 125px;
    font-size: 100px;
    color: #fff;
    font-weight: 900;
    line-height: 125px;
    overflow: hidden;
    display: flex;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
}

.mt span{
    display: block;
    opacity: 0;
    margin-top: 125px;
}

.mt span:last-child{
    margin-left: 30px;
}

.slick-active .mt span:first-child{
    animation: fade-up .8s ease-out forwards;
}

.slick-active .mt span:last-child{
    animation: fade-up .8s .2s ease-out forwards;
}

@keyframes fade-up{
    0%{
        opacity: 0;
        margin-top: 125px;
    }

    50%{
        opacity: 0.2;
    }

    100%{
        opacity: 1;
        margin-top: 0;
    }
}

.main_banner>.center {
    height: 100%;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: flex-end;
    flex-direction: column;
    padding-bottom: 18%;
    box-sizing: border-box;
}

.fix_text {
    font-size: 20px;
    color: #fff;
    font-weight: 600;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
}

.scrolldown {
    width: 25px;
    height: 40px;
    border: 1px solid #fff;
    box-sizing: border-box;
    border-radius: 50px;
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll_dot {
    width: 5px;
    height: 5px;
    background-color: #fff;
    border-radius: 10px;
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll infinite 1.5s linear;
}

@keyframes scroll {
    0% {
        top: 3px;
    }

    100% {
        top: 30px;
        opacity: 0;
    }
}


/* section1 */
.section1{
    width: 100%;
    padding: 150px 0 70px;
}

.section1 .center{
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.left_text{
    font-size: 60px;
    font-weight: 900;
    line-height: 75px;
}

.right_text>span{
    font-family: 'GmarketSansMedium', sans-serif;
    font-size: 20px;
    line-height: 30px;
}

.right_text>p{
    font-size: 22px;
    font-family: 'GmarketSansBold', sans-serif;
    margin-bottom: 20px;
    display: block;
}

span.underline{
    padding: 0 5px;
    display: inline-block;
    background-image: linear-gradient(
        transparent 50%,
        rgba(0, 159, 232, 0.3) 50%
  );
  line-height: 1.3;
}

.more_btn{
    width: 100%;
    margin-top: 50px;
}

.more_btn a{
    width: 105px;
    height: 105px;
    border-radius: 100px;
    border: 2px solid #001138;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: background-color .5s;
}

.more_btn a i{
    color: #001138;
    font-size: 32px;
    font-weight: bold;
    transition: transform .5s;
}

.more_btn a p{
    font-size: 18px;
    color: #001138;
    font-weight: 500;
    margin-top: 5px;
}

.more_btn a:hover{
    background-color: #001138;
}

.more_btn a:hover i{
    transform: rotate(90deg);
    color: #fff;
}

.more_btn a:hover p{
    color: #fff;
}


/* section2 */
.section2{
    width: 100%;
    padding-bottom: 200px;
}

.section2 .center{
    padding-top: 130px;
    position: relative;
}

img.rotate_text{
    position: absolute;
    top: 0;
    right: 0;
    animation: rotate infinite 10s linear;
}

@keyframes rotate{
    0%{
        transform: rotate(360deg);
    }
}

.section2 .center>p{
    font-size: 60px;
    font-weight: 900;
}

ul.portfolio_ul{
    width: 100%;
    margin-top: 50px;
    display: inline-block;
}

ul.portfolio_ul li{
    width: 47%;
    float: left;
    margin-right: 6%;
    cursor: pointer;
}

ul.portfolio_ul li:nth-child(2n){
    margin-right: 0;
    margin-top: 100px;
}

.portfolio_thumb{
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.portfolio_thumb img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s;
}

ul.portfolio_ul li:hover .portfolio_thumb img{
    transform: scale(1.1);
}

ul.portfolio_ul li p{
    font-size: 22px;
    font-family: 'GmarketSansMedium', sans-serif;
    margin-top: 35px;
}

.section2 .more_btn{
    display: flex;
    justify-content: center;
    margin-top: 80px;
}























/* mobile */
@media screen and (max-width: 767px){

    /* slide */
    .main_banner{
        height: 70vh;
    }

    .visual{
        height: 70vh;
    }

    .v_0,
    .v_1,
    .v_2{
        height: 70vh;
    }

    .v_0 .center,
    .v_1 .center,
    .v_2 .center{
        padding-bottom: 40%;
    }

    .mt{
        height: 45px;
        font-size: 9.5vw;
        line-height: 45px;
    }

    .mt span{
        margin-top: 45px;
    }

    .mt span:last-child{
        margin-left: 15px;
    }

    @keyframes fade-up{
        0%{
            opacity: 0;
            margin-top: 45px;
        }

        50%{
            opacity: 0.2;
        }

        100%{
            opacity: 1;
            margin-top: 0;
        }
    }

    .main_banner>.center {
        padding-bottom: 55%;
    }

    .fix_text {
        font-size: 4vw;
    }

    .scrolldown {
        width: 20px;
        height: 30px;
        bottom: 30px;
    }

    .scroll_dot {
        width: 4px;
        height: 4px;
        top: 5px;
    }

    @keyframes scroll {
        0% {
            top: 3px;
        }

        100% {
            top: 25px;
            opacity: 0;
        }
    }


    /* section1 */
    .section1{
        padding: 50px 0;
    }

    .section1 .center{
        display: block;
    }

    .left_text{
        width: 100%;
        font-size: 30px;
        line-height: 40px;
    }

    .right_text{
        width: 100%;
        margin-top: 30px;
    }

    .right_text>span{
        font-size: 12px;
        line-height: 20px;
        word-break: keep-all;
    }

    .right_text>span br{
        display: none;
    }

    .right_text>p{
        font-size: 14px;
        margin-bottom: 10px;
    }

    .more_btn{
        margin-top: 30px;
        display: flex;
        justify-content: center;
    }

    .more_btn a{
        width: 60px;
        height: 60px;
        transition: none;
    }

    .more_btn a i{
        font-size: 20px;
        transition: none;
    }

    .more_btn a p{
        font-size: 10px;
        margin-top: 3px;
        font-weight: 600;
    }

    .more_btn a:hover{
        background-color: transparent;
    }

    .more_btn a:hover i{
        transform: none;
        color: #001138;
    }

    .more_btn a:hover p{
        color: #001138;
    }


    /* section2 */
    .section2{
        padding-bottom: 100px;
    }

    .section2 .center{
        padding-top: 70px;
    }

    img.rotate_text{
        width: 100px;
    }

    .section2 .center>p{
        font-size: 30px;
    }

    ul.portfolio_ul{
        margin-top: 20px;
    }

    ul.portfolio_ul li{
        width: 48%;
        margin-right: 4%;
    }

    ul.portfolio_ul li:nth-child(2n){
        margin-top: 30px;
    }

    .portfolio_thumb{
        height: 130px;
    }

    .portfolio_thumb img{
        transition: none;
    }

    ul.portfolio_ul li:hover .portfolio_thumb img{
        transform: none;
    }

    ul.portfolio_ul li p{
        font-size: 12px;
        margin-top: 15px;
        line-height: 18px;
        word-break: keep-all;
    }

    .section2 .more_btn{
        margin-top: 30px;
    }

}























/* tablet */
@media screen and (min-width: 768px) and (max-width: 1024px){

    /* slide */
    .main_banner{
        height: 70vh;
    }

    .visual{
        height: 70vh;
    }

    .v_0,
    .v_1,
    .v_2{
        height: 70vh;
    }

    .v_0 .center,
    .v_1 .center,
    .v_2 .center{
        padding-bottom: 20%;
    }

    .mt{
        height: 75px;
        font-size: 60px;
        line-height: 75px;
    }

    .mt span{
        margin-top: 75px;
    }

    .mt span:last-child{
        margin-left: 20px;
    }

    @keyframes fade-up{
        0%{
            opacity: 0;
            margin-top: 75px;
        }

        50%{
            opacity: 0.2;
        }

        100%{
            opacity: 1;
            margin-top: 0;
        }
    }

    .main_banner>.center {
        padding-bottom: 32%;
    }

    .fix_text {
        font-size: 16px;
    }

    .scrolldown {
        width: 20px;
        height: 30px;
        bottom: 40px;
    }

    .scroll_dot {
        width: 4px;
        height: 4px;
    }

    @keyframes scroll {
        0% {
            top: 3px;
        }

        100% {
            top: 25px;
            opacity: 0;
        }
    }


    /* section1 */
    .section1{
        padding: 100px 0 50px;
    }

    .section1 .center{
        display: block;
    }

    .left_text{
        width: 100%;
        font-size: 35px;
        line-height: 40px;
    }

    .left_text br{
        display: none;
    }

    .right_text{
        width: 100%;
        margin-top: 30px;
    }

    .right_text>span{
        font-size: 14px;
        line-height: 25px;
        word-break: keep-all;
    }

    .right_text>p{
        font-size: 18px;
    }

    .more_btn{
        margin-top: 40px;
        display: flex;
        justify-content: center;
    }

    .more_btn a{
        width: 80px;
        height: 80px;
        transition: none;
    }

    .more_btn a i{
        font-size: 22px;
        transition: none;
    }

    .more_btn a p{
        font-size: 14px;
        font-weight: 600;
    }

    .more_btn a:hover{
        background-color: transparent;
    }

    .more_btn a:hover i{
        transform: none;
        color: #001138;
    }

    .more_btn a:hover p{
        color: #001138;
    }


    /* section2 */
    .section2{
        padding-bottom: 100px;
    }

    .section2 .center{
        padding-top: 100px;
        position: relative;
    }

    img.rotate_text{
        width: 150px;
    }

    .section2 .center>p{
        font-size: 35px;
    }

    ul.portfolio_ul{
        margin-top: 30px;
    }

    ul.portfolio_ul li{
        width: 48%;
        margin-right: 4%;
    }

    ul.portfolio_ul li:nth-child(2n){
        margin-top: 50px;
    }

    .portfolio_thumb{
        height: 300px;
    }

    .portfolio_thumb img{
        transition: none;
    }

    ul.portfolio_ul li:hover .portfolio_thumb img{
        transform: none;
    }

    ul.portfolio_ul li p{
        font-size: 16px;
        margin-top: 20px;
    }

    .section2 .more_btn{
        margin-top: 50px;
    }

}



















/* pc_s */
@media screen and (min-width: 1025px) and (max-width: 1400px){

    .v_0 .center,
    .v_1 .center,
    .v_2 .center{
        height: 100%;
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        align-items: flex-end;
        padding-bottom: 13%;
        box-sizing: border-box;
    }

    .mt{
        height: 90px;
        font-size: 80px;
        line-height: 90px;
    }

    .mt span{
        margin-top: 90px;
    }

    .mt span:last-child{
        margin-left: 20px;
    }

    @keyframes fade-up{
        0%{
            opacity: 0;
            margin-top: 90px;
        }

        50%{
            opacity: 0.2;
        }

        100%{
            opacity: 1;
            margin-top: 0;
        }
    }

    .main_banner>.center {
        padding-bottom: 22%;
    }

    .fix_text {
        font-size: 16px;
    }

    .scrolldown {
        bottom: 40px;
    }


    /* section1 */
    .section1{
        padding: 100px 0 50px;
    }

    .left_text{
        font-size: 58px;
        line-height: 73px;
    }

    .right_text>span{
        font-size: 17px;
        line-height: 28px;
    }

    .right_text>p{
        font-size: 20px;
    }

    .more_btn{
        margin-top: 40px;
    }


    /* section2 */
    .section2 .center{
        padding-top: 130px;
    }

    img.rotate_text{
        position: absolute;
        top: 0;
        right: 0;
        animation: rotate infinite 10s linear;
    }

    @keyframes rotate{
        0%{
            transform: rotate(360deg);
        }
    }

    .section2 .center>p{
        font-size: 58px;
    }

    ul.portfolio_ul{
        margin-top: 40px;
    }

    ul.portfolio_ul li:nth-child(2n){
        margin-top: 60px;
    }

    .portfolio_thumb{
        height: 450px;
    }

    ul.portfolio_ul li p{
        font-size: 20px;
        margin-top: 25px;
    }

    .section2 .more_btn{
        display: flex;
        justify-content: center;
        margin-top: 60px;
    }

}
