:root {
    --mc: #00688f;
    --sc: #193d74;
    --tc: #00a4ca;
    --wc: #fff;
}

.title h2 {
    font-size: 16px;
    font-weight: 500;
    color: var(--tc);
    text-align: center;
    margin-bottom: 30px;
}

.title p {
    font-size: 32px;
    font-weight: 700;
    color: #444;
    text-align: center;
    line-height: 1.25;
    margin-bottom: 50px;
}

.title p span {
    display: block;
}



.btn a {
    display: inline-block;
    font-size: 16px;
    font-weight: 500;
    padding: 15px 40px;
    border-radius: 30px;
    color: var(--wc);
    border: 1px solid var(--mc);
    background: var(--mc);
    transition: .5s;
}

.btn a:hover {
    font-size: 16px;
    font-weight: 500;
    color: var(--mc);
    border: 1px solid var(--mc);
    background: var(--wc);
}

.btn_m a {
    font-size: 18px;
}

@media (max-width: 540px) {

    .title h2 {
        font-size: 14px;
    }

    .title p {
        font-size: 16px;
    }

    .btn a {
        display: block;
        font-size: 12px;
        padding: 15px 30px;
        text-align: center;
        border: 1px solid var(--mc);
    }

    .btn a:hover {
        font-size: 12px;
        border: 1px solid var(--mc);
    }

    .btn_m a {
        font-size: 18px;
    }
}

.header .top_banner {
    width: 100%;
    position: relative;
    height: 60px;
    background-color: #193d74;
    background-image: url(../images/wave_back_img1.png), url(../images/wave_back_img2.png);
    background-position: -530px 60%, calc(100% - -580px) 37%;
    background-repeat: no-repeat, no-repeat;
    overflow: hidden;

    transition: height .5s;
}

.header .top_banner.on {
    height: 0;

}

.header .top_banner .banner_slide {
    display: flex;
    align-items: center;
    padding: 20px 0;
}

.header .top_banner .itm strong {
    display: block;
    font-size: 18px;
    color: var(--wc);
    text-align: center;

}


.header .top_banner .close i {
    position: absolute;
    inset: 15px 0 auto auto;
    font-size: 28px;
    color: var(--wc);
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    cursor: pointer;
    font-variation-settings: "wght" 100;
    z-index: 999;

}

.header .top_banner .arrows {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 0);
    margin: -7px 0 0 0;
    z-index: 999;
    cursor: pointer;

    max-width: 500px;
    width: 100%;
    font-size: 16px;
    color: var(--wc);
}

.header .top_banner .arrows .left {
    position: absolute;
    left: 0;
}

.header .top_banner .arrows .right {
    position: absolute;
    right: 0;
}

@media (max-width: 540px) {


    .header .top_banner {
        height: 55px;
        background-position: 171% 63%, -30% 64%;
        background-size: 562px auto;
    }


    .header .top_banner .itm strong {
        font-size: 14px;
    }

    .header .top_banner .close i {
        inset: -4px 5px auto auto;
        font-size: 24px;
        margin: 20px 0 0 0;
        z-index: 999;
    }

    .header .top_banner .arrows {
        display: none;
    }

}


.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: #fff;
    border-bottom: 1px solid #ddd;
}


.header h1 {
    position: absolute;
    left: 80px;
}

.header h1 a {
    display: block;
    background: url(../images/logo_renewal.png)no-repeat;
    width: 210px;
    height: 40px;
}

.header .header_wrap {
    display: flex;
    align-items: center;
    height: 100px;
    min-width: 1900px;
}

.header .gnb {
    max-width: 1200px;
    width: 100%;
    padding: 0 15px;
    margin: 0 auto;
}

.header .gnb>ul {
    display: flex;
    gap: 40px;
    font-size: 18px;
    font-weight: 500;
}

.header .gnb>ul>li>a {
    position: relative;
    display: block;
    line-height: 100px;
}

.header .gnb>ul>li a::after {
    content: "";
    position: absolute;
    bottom: 0px;
    left: 50%;
    transform: translate(-50%, 0);
    width: 0;
    height: 3px;
    background: var(--sc);
}

.header .gnb>ul>li a:hover::after {
    width: 100%;
    transition: .5s;
}


.header .gnb>ul>li .m_box {
    position: absolute;
    top: auto;
    left: 0;
    width: 100%;
    z-index: 999;

    padding: 50px 0;

    background: #fff;
    display: none;

    border-top: 1px solid #ddd;
}


.header .gnb>ul>li:hover .m_box {
    display: block;
}


.header .gnb>ul>li .m_box .sub {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;

    display: flex;
    gap: 60px;
}

.header .gnb>ul>li .m_box .sub>li {
    font-size: 16px;
    font-weight: 500;
    color: #222;
}


.header .gnb>ul>li .m_box .sub>li:hover {
    color: var(--sc);
}


.header .gnb>ul>li .m_box .sub_m {
    margin-top: 20px;
}

.header .gnb>ul>li .m_box .sub_m>li {
    font-size: 15px;
    font-weight: 400;
    color: #999;
    line-height: 1.45;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1px 0 1px 15px;

}

.header .gnb>ul>li .m_box .sub_m>li:hover {
    color: var(--sc);
}


.header .side {
    position: absolute;
    right: 80px;
}

.header .side ul {
    display: flex;
    gap: 30px;

    font-size: 16px;
    font-weight: 600;
}

.header .side ul>li {
    position: relative;
}

.header .side ul>li~li::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -15px;
    transform: translate(-50%, -50%);
    width: 1px;
    height: 8px;
    background: #ddd;
}

.header .side ul>li:nth-child(1) {
    color: #00909f;
}

.header .side ul>li:nth-child(2) {
    color: #ff4455;
}

.header .side ul>li:nth-child(3) {
    color: #09c;
}

.header .side ul>li:nth-child(4) {
    color: #193d74;
}


.header .side ul>li i {
    color: #a7a7a7;
}

.header .mopen {
    display: none;
}

@media (max-width: 540px) {
    .header h1 {
        position: fixed;
        z-index: 1000;
        left: 0;
        padding: 0 15px;
    }

    .header h1 a {
        display: block;
        background: url(../images/logo_renewal.png)no-repeat;
        width: 210px;
        height: 40px;
    }


    .header .gnb {
        position: fixed;
        top: 0;
        left: -100%;
        z-index: 999;
        color: #000;
        background: #fff;
        height: 1000vh;
        width: calc(100% - 0px);
        transition: .5s;
    }


    .header .gnb.on {
        inset: 0 auto 0 0;
    }

    .header .gnb>ul {
        display: flex;
        flex-direction: column;
        gap: 0px;
        font-size: 18px;
        font-weight: 500;
        padding: 150px 30px 0 30px;
    }


    .header .gnb>ul>li>a {
        line-height: 80px;
    }

    .header .gnb>ul>li a::after {
        display: none;
    }

    .header .gnb>ul>li .m_box {
        position: static;
        transform: translate(0, 0);
        width: auto;
        background: #fff;
        border: none;
        border-radius: 0 0 0 0;
        text-align: left;
        transition: none;

        visibility: visible;
        opacity: 1;
        padding: 0 0;
        display: none;
    }


    .header .gnb>ul>li:hover .m_box {
        display: none;
    }

    .header .gnb>ul>li .m_box .sub {
        display: flex;
        flex-direction: column;
        gap: 30px;
        padding: 30px 30px;
        border: 1px solid #ddd;
    }


    .header .gnb>ul>li .m_box .sub>li {
        font-size: 16px;
        font-weight: 500;
        color: #222;
    }


    .header .gnb>ul>li .m_box .sub>li:hover {
        color: var(--sc);
    }


    .header .gnb>ul>li .m_box .sub_m {
        margin-top: 20px;
        position: static;
        transform: translate(0, 0);


        width: auto;
        padding: 20px 35px;
        background: #f0f0f0;
        border: none;
        border-radius: 0 0 0 0;
        text-align: left;
        transition: none;

        visibility: visible;
        opacity: 1;

        display: none;
    }

    .header .gnb>ul>li .m_box .sub_m>li {
        position: relative;
        line-height: 32px;
        color: #444;
        padding: 1px 0 1px 5px;
        border-left: none;
    }


    .header .gnb>ul>li .m_box .sub_m>li:hover {
        color: var(--sc);
    }

    .header .gnb>ul>li .m_box .sub_m>li::before {
        content: "";
        position: absolute;
        top: 50%;
        left: -5px;
        transform: translate(-50%, -50%);
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--sc);
    }

    .header .side {
        display: none;
    }

    .header .mopen {
        display: block;

        position: fixed;
        inset: auto 15px auto auto;
        z-index: 1000;
        width: 34px;
        height: 32px;
        cursor: pointer;
    }


    .header .mopen::before,
    .header .mopen::after {
        content: "";
        position: absolute;
        inset: 15px 5px auto 5px;
        height: 2px;
        background: #888;
    }

    .header .mopen.on::before {
        transform: rotate(45deg);
        transition: 0.5s 0.2s;
    }

    .header .mopen.on::after {
        transform: rotate(-225deg);
        transition: 0.5s 0.6s;
    }

    .header .mopen button {
        border: none;
        outline: none;
        background: transparent;
    }

    .header .mopen button::before,
    .header .mopen button::after {
        content: "";
        position: absolute;
        height: 2px;
        background: #888;
    }

    .header .mopen button::before {
        inset: 7px 5px auto 5px;
    }

    .header .mopen button::after {
        inset: auto 5px 7px 5px;
    }

    .header .mopen.on button::before {
        display: none;
    }

    .header .mopen.on button::after {
        display: none;
    }


}




.main_visual .mbg {
    position: relative;
    height: 800px;
    background: url(../images/intro_bg.jpg)no-repeat bottom 20% center /cover;
}

.main_visual .mbg::before {
    position: absolute;
    content: "";
    inset: 0 0 0 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .0);
}

.main_visual .mbg .slogan {
    position: absolute;
    top: 55%;
    left: 50%;
    transform: translate(-50%, -50%);

    color: var(--wc);
    text-align: center;
}

.main_visual .mbg .slogan h2 {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 30px;
    text-shadow: 30px 15px 15px rgba(0, 0, 0, .2);
    -webkit-text-stroke-width: 1px;
    -webkit-text-stroke-color: var(--sc);
}

.main_visual .mbg .slogan h2 span {
    display: block;
    font-size: 56px;
    font-weight: 700;
}

.main_visual .mbg .slogan p {
    display: inline-block;
    font-size: 22px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--sc);
    background: rgba(255, 255, 255, .65);
    margin-right: 20px;
    /* border: 1px solid #ddd; */
    border-radius: 35px;
    padding: 10px 40px;
}

.main_visual .mbg .slogan p span {
    font-size: 32px;
    font-weight: 600;
    color: var(--sc);
}


@media (max-width: 540px) {
    .main_visual {
        padding: 0 0;
    }

    .main_visual .mbg {
        height: 700px;
        background: url(../images/intro_bg.jpg)no-repeat bottom 10% center /cover;
    }

    .main_visual .mbg .slogan {
        margin: 3px 0;
        width: 100%;
        top: 55%;
        border-radius: 5px;
        padding: 60px 40px;
    }


    .main_visual .mbg .slogan h2 {
        font-size: 28px;
    }

    .main_visual .mbg .slogan h2 span {
        font-size: 26px;
    }

    .main_visual .mbg .slogan p {
        font-size: 14px;
        margin: 3px 0;
        width: 250px;
        border-radius: 8px;
        padding: 5px 30px;
    }


    .main_visual .mbg .slogan p span {
        font-size: 18px;
    }
}






.main_intro {
    position: relative;
    background: linear-gradient(transparent 50%, #193d74 50%);
}


.main_intro .con_r video {
    width: 100%;
    height: 700px;
}


.main_intro .intro_con .con_txt {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translate(0, 0);
    margin: -190px 0 0 0;

    background: #fff;
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.034);
    padding: 70px 50px;
    border-radius: 0 5px 5px 0;

}

.main_intro .intro_con .con_txt:after {
    position: absolute;
    content: "";
    top: 0;
    left: 50%;
    margin: 0 0 0 -45px;

    z-index: -1;
    width: 80px;
    height: 8px;
    background: #00a5cadc;
}

.main_intro .intro_con .con_txt::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 0);
    margin: 70px 0 0 0;

    width: 100px;
    height: 1px;
    background: #444;
}

.main_intro .intro_con .con_txt h3 {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 50px;
}

.main_intro .intro_con .con_txt h3 span {
    display: block;
}

.main_intro .intro_con .con_txt .line {
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1px #222;
}

.main_intro .intro_con .con_txt p {
    font-size: 18px;
    line-height: 1.25;
    margin-bottom: 20px;
}

.main_intro .intro_con .con_txt p span {
    display: block;
    font-weight: 500;
}

.main_intro .intro_con .con_txt img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 10px 0 0;
}


.main_intro .intro_con .con_txt .button {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main_intro .intro_con .con_txt .button i {
    font-size: 20px;
    color: var(--tc);
    border: 1px solid var(--tc);
    background: #fff;
    padding: 5px;
    margin: 0 5px 0 0;
    cursor: pointer;
    transition: .5s;
}

.main_intro .intro_con .con_txt .button i.on {
    color: var(--wc);
    border: 1px solid var(--tc);
    background: var(--tc);
}

.main_intro .intro_con .con_txt .button .btn_m a {
    font-size: 14px;
}

.main_intro .intro_con .con_txt .button .btn_m .plus {
    font-size: 14px;
    padding: 0;
    color: #444;
    border: none;
    background: none;
}

.main_intro .desc_txt .st01 {
    content: "";
    position: absolute;
    bottom: 50%;
    right: 0;
    margin: 0 -120px -350px;

    display: block;
    font-size: 92px;
    font-weight: 800;
    rotate: 90deg;
    color: rgba(255, 255, 255, .2);
}

.main_intro .desc_txt .st02 {
    content: "";
    position: absolute;
    bottom: 50%;
    right: 0;
    margin: 0 -5px -365px;

    display: block;
    font-size: 62px;
    font-weight: 900;
    rotate: 90deg;
    color: rgba(255, 255, 255, .1);
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, .2);
}


@media (max-width: 540px) {

    .main_intro {
        background: none;
        padding: 50px 0 0 0;
    }

    .main_intro .intro_con {
        display: flex;
        flex-direction: column;
    }

    .main_intro .con_r video {
        width: 100%;
        height: auto;
        border-radius: 0;
    }


    .main_intro .intro_con .con_txt {
        position: static;
        top: 0;
        margin: 0 0 0 0;

        background: #f9f9f9;
        box-shadow: none;
        padding: 30px 50px;
        border-radius: 0 5px 5px 0;

    }

    .main_intro .intro_con .con_txt:after {
        display: none;
    }

    .main_intro .intro_con .con_txt::before {
        display: none;
    }

    .main_intro .intro_con .con_txt h3 {
        font-size: 42px;
        margin-bottom: 30px;
    }


    .main_intro .intro_con .con_txt p {
        font-size: 16px;
    }

    .main_intro .intro_con .con_txt img {
        width: 60px;
        height: 60px;
    }

    .main_intro .intro_con .con_txt .button i {
        font-size: 18px;
    }

}





.main_news .news_slide {
    position: relative;
    max-width: calc((100% - 1170px) / 2 + 1170px);
    margin: 0 0 80px auto;
}

.main_news .news_slide .itm {
    display: flex;
    align-items: flex-start;
    height: 600px;
}


.main_news .news_slide .itm .img_box img {
    -webkit-mask-image: url(../images/bg_wh.png);
}

.main_news .news_slide .itm .txt {
    padding: 120px 300px 120px 150px;
    background-color: #193d74;
    background-image: url(../images/ssu_back_logo02.png);
}


.main_news .news_slide .txt h3 {
    font-size: 32px;
    font-weight: 600;
    color: var(--wc);
    line-height: 1.45;
    height: 93px;
    margin-bottom: 30px;
}

.main_news .news_slide .txt h3 span {
    display: block;
}

.main_news .news_slide .txt p {
    font-size: 16px;
    color: var(--wc);
    line-height: 1.45;

    width: 500px;
    text-overflow: ellipsis;
    overflow: hidden;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    margin-bottom: 40px;
}

.main_news .news_slide .itm .img_box {
    position: absolute;
    right: 0;
    top: 0;

    height: 100%;
    max-width: 100%;

    object-fit: cover;
    -webkit-mask-size: cover;
    mask-size: cover;
    z-index: 999;

    transform: translate(0, 70px);
}

.main_news .news_slide .arrows {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(0, 0);
    margin: -290px 330px 0 0;

    max-width: 120px;
    width: 100%;
    z-index: 999;
    transition: .5s;
    cursor: pointer;
}

.main_news .news_slide .arrows i {
    font-size: 24px;
    color: #444;
    padding: 12px;
    border-radius: 50%;
    border: 1px solid #ddd;
    background: #fff;
}

.main_news .news_slide .arrows i:hover {
    color: #000;
    border: 1px solid #888888;
}

.main_news .news_slide .arrows .left {
    position: absolute;
    left: 0;
}

.main_news .news_slide .arrows .right {
    position: absolute;
    right: 0;
}


.main_news .news_slide .swiper-pagination {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(0, 0);
    margin: -275px 0 0 250px;

    display: block;
    text-align: center;
    font-size: 0;
    color: #444;
}

.main_news .news_slide .swiper-pagination span {
    font-size: 18px;
}

.main_news .news_slide .swiper-pagination span:nth-child(1) {
    color: var(--sc);
}

.main_news .news_slide .swiper-pagination span~span::before {
    content: "";
    display: inline-block;
    width: 25px;
    height: 1px;
    background: #ddd;
    margin: 5px 8px;
}

.main_news .notice_con .inner {
    display: flex;
    gap: 60px;
}

.main_news .notice_con .inner>* {
    flex: 1;
}

.main_news .notice_con .tit h3 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 32px;
    font-weight: 600;
    color: var(--mc);
    margin-bottom: 40px;
    transition: .5s;
}

.main_news .notice_con .tit h3:hover {
    opacity: .95;
}


.main_news .notice_con .tit span {
    display: inline-block;
    font-size: 14px;
    font-weight: 400;
    color: #666;
}

.main_news .notice_con .l_link {
    display: flex;
    gap: 10px;
    width: 100%;
}

.main_news .notice_con .l_link>li {
    border: 1px solid var(--mc);
    border-radius: 35px;
    background: #fff;
    transition: .5s;
    margin-bottom: 30px;
}

.main_news .notice_con .l_link>li a {
    display: block;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 25px;

}

.main_news .notice_con .l_link>li.on {
    background: var(--mc);
    color: var(--wc);
}

.main_news .notice_con .link_box .link_txt {
    visibility: hidden;
    height: 0;
    overflow: hidden;
}

.main_news .notice_con .link_box .link_txt.on {
    visibility: visible;
    height: auto;
}

.main_news .notice_con .link_box .link_txt ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.main_news .notice_con .link_box .link_txt ul>li {
    line-height: 1.45;
    border-bottom: 1px solid #ddd;
    padding: 10px;
}

.main_news .notice_con .link_box .link_txt strong {
    font-size: 15px;
    font-weight: 300;
    color: #888;
}

.main_news .notice_con .link_box .link_txt span {
    display: inline-block;
    font-size: 16px;
    font-weight: 500;
    color: #666;
    margin: 0 0 0 10px;
}

.main_news .notice_con .link_box .link_txt p {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 600;
    color: #000;
}

.main_news .notice_con .link_box .link_txt p i {
    font-size: 20px;
    color: #aaa;
}


.main_news .notice_con .r_link {
    display: flex;
    gap: 10px;
    width: 100%;
}

.main_news .notice_con .r_link>li {
    margin-bottom: 30px;
}

.main_news .notice_con .r_link>li a {
    display: block;
    font-size: 15px;
    font-weight: 500;
    margin: 10px 3px 3px 3px;
}

.main_news .notice_con .r_link>li.on {
    color: var(--mc);
    border-bottom: 1px solid var(--mc);
}

.main_news .notice_con .r_link_box .link_txt {
    visibility: hidden;
    height: 0;
    overflow: hidden;
}

.main_news .notice_con .r_link_box .link_txt.on {
    visibility: visible;
    height: auto;
}

.main_news .notice_con .r_link_box .link_txt ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.main_news .notice_con .r_link_box .link_txt ul>li {
    height: 127px;
    line-height: 1.45;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px 20px 10px 20px;
    white-space: nowrap;
}

.main_news .notice_con .r_link_box .link_txt strong {
    font-size: 15px;
    font-weight: 700;
    color: var(--tc);
}

.main_news .notice_con .r_link_box .link_txt span {
    font-size: 22px;
    font-weight: 900;
    color: var(--tc);
    margin: 0 0 10px 2px;
}

.main_news .notice_con .r_link_box .link_txt p {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 600;
    color: #444;
    margin-bottom: 5px;
    white-space: nowrap;
}

.main_news .notice_con .r_link_box .link_txt .stt {
    display: block;
    font-size: 14px;
    font-weight: 400;
    margin: 0 0 0 0;
    color: #888888;
}


@media (max-width: 540px) {




    .main_news .news_slide {
        background-color: #193d74;
        position: relative;
        max-width: 100%;
        margin: 0 0 0 0;
    }

    .main_news .news_slide .itm {
        display: flex;
        flex-direction: column;
        height: auto;

    }



    .main_news .news_slide .itm .img_box img {
        -webkit-mask-image: none;
        transform: translate(0, -70px);

    }

    .main_news .news_slide .itm .txt {
        height: 100%;
        padding: 50px 15px;
        background-color: #193d74;
        background-image: none;
        order: 2;
    }


    .main_news .news_slide .txt h3 {
        font-size: 18px;
        height: 60px;
        margin-bottom: 20px;
    }

    .main_news .news_slide .txt p {
        font-size: 14px;
        color: var(--wc);
        line-height: 1.45;
        width: 100%;
        margin-bottom: 20px;
    }

    .main_news .news_slide .itm .img_box {
        position: static;
        right: 0;
        top: 0;

        height: 100%;
        max-width: 100%;

        object-fit: cover;
        -webkit-mask-size: cover;
        mask-size: cover;
        z-index: 999;

        transform: translate(0, 70px);
    }

    .main_news .news_slide .arrows {
        top: 20%;
        margin: auto;
        max-width: 100%;
    }

    .main_news .news_slide .arrows i {
        font-size: 14px;
    }

    .main_news .news_slide .arrows .left {
        left: 15px;
    }

    .main_news .news_slide .arrows .right {
        right: 15px;
    }


    .main_news .news_slide .swiper-pagination {
        display: none;
    }



    /* 탭메뉴 */
    .main_news .notice_con {
        padding: 50px 0 0 0;
    }

    .main_news .notice_con .inner {
        display: flex;
        flex-direction: column;
        gap: 40px;
    }


    .main_news .notice_con .tit h3 {
        font-size: 20px;
        margin-bottom: 40px;
    }


    .main_news .notice_con .tit span {
        font-size: 14px;
    }

    .main_news .notice_con .l_link {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 3px;
        margin-bottom: 10px;
    }

    .main_news .notice_con .l_link>li {
        margin-bottom: 6px;
        text-align: center;
    }

    .main_news .notice_con .l_link>li a {
        font-size: 14px;
    }


    .main_news .notice_con .link_box .link_txt ul>li {
        line-height: 1.45;
        border-bottom: 1px solid #ddd;
        padding: 10px;
    }


    .main_news .notice_con .link_box .link_txt ul>li:last-of-type {
        border-bottom: none;
    }


    .main_news .notice_con .link_box .link_txt {
        visibility: hidden;
        height: 0;
        overflow: hidden;
    }

    .main_news .notice_con .link_box .link_txt.on {
        visibility: visible;
        height: auto;
    }

    .main_news .notice_con .link_box .link_txt ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .main_news .notice_con .link_box .link_txt ul>li {
        padding: 15px;
    }

    .main_news .notice_con .link_box .link_txt strong {
        font-size: 12px;
    }

    .main_news .notice_con .link_box .link_txt span {
        font-size: 12px;
        margin: 0 0 4px 10px;
    }

    .main_news .notice_con .link_box .link_txt p {
        font-size: 14px;
    }

    .main_news .notice_con .link_box .link_txt p i {
        font-size: 16px;
    }

    .main_news .notice_con .r_itm {
        border-top: 1px solid #ddd;
        padding: 50px 0 0 0;
    }

    .main_news .notice_con .r_link {
        display: flex;
        gap: 10px;
        width: 100%;
    }

    .main_news .notice_con .r_link>li {
        margin-bottom: 30px;
    }

    .main_news .notice_con .r_link>li a {
        display: block;
        font-size: 15px;
        font-weight: 500;
        margin: 10px 3px 3px 3px;
    }

    .main_news .notice_con .r_link>li.on {
        color: var(--mc);
        border-bottom: 1px solid var(--mc);
    }

    .main_news .notice_con .r_link_box .link_txt {
        visibility: hidden;
        height: 0;
        overflow: hidden;
    }

    .main_news .notice_con .r_link_box .link_txt.on {
        visibility: visible;
        height: auto;
    }

    .main_news .notice_con .r_link_box .link_txt ul {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .main_news .notice_con .r_link_box .link_txt ul>li {
        height: 127px;
        line-height: 1.45;
        border: 1px solid #ddd;
        border-radius: 5px;
        padding: 20px 20px 15px 20px;
        white-space: nowrap;
    }

    .main_news .notice_con .r_link_box .link_txt strong {
        font-size: 13px;
    }

    .main_news .notice_con .r_link_box .link_txt span {
        font-size: 18px;
    }

    .main_news .notice_con .r_link_box .link_txt p {
        font-size: 16px;
    }

    .main_news .notice_con .r_link_box .link_txt .stt {
        font-size: 14px;
    }

}






.main_study {
    background: #f9f9f9;
}


.main_study .sd_con {
    display: flex;
    align-items: flex-start;
    max-width: calc((100% - 1170px) / 2 + 1170px);
    margin: 0 auto 0 0;
    gap: 60px;
}


.main_study .left ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}


.main_study .left>ul>li .itm {
    position: relative;
    border-radius: 0 0 85px 0;
    overflow: hidden;

}


.main_study .left>ul>li .itm .txt {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    padding: 50px 40px 50px 20px;
    margin: 50px 0 0 50px;
}


.main_study .left>ul>li .itm .txt strong {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--wc);
    margin-bottom: 15px;
}


.main_study .left>ul>li .itm .txt h3 {
    font-size: 32px;
    font-weight: 600;
    text-shadow: 0 15px 15px rgba(255, 255, 255, .2);
    color: var(--wc);
    line-height: 1.25;
    margin-bottom: 20px;
}


.main_study .left>ul>li .itm .txt h3 span {
    display: block;
}

.main_study .left>ul>li .itm .txt p {
    font-size: 16px;
    line-height: 1.25;
    opacity: 0;
}


.main_study .left>ul>li .itm:hover p {
    opacity: 1;
    color: #ddd;
}

.main_study .left>ul>li .itm .txt .btn_c {
    position: absolute;
    bottom: -50px;
    right: 50px;
}

.main_study .left>ul>li .itm .txt .btn_c:hover {
    color: var(--wc);
}

.main_study .left>ul>li .itm .txt .btn_c i {
    font-size: 18px;
    color: #ddd;
    border: 1px solid #ddd;
    border-radius: 50%;
    padding: 10px 12px 9px 12px;
    transition: .5s;
}

.main_study .left>ul>li .itm .txt .btn_c i:hover {
    color: var(--wc);
    border: 1px solid var(--wc);
}

.main_study .left>ul>li .itm .txt .btn_c ._hov {
    opacity: 0;
    font-size: 0;
}

.main_study .left>ul>li .itm:hover .txt .btn_c ._hov {
    opacity: 1;
    font-size: 18px;
    font-weight: 500;
    margin: 0 0 0 5px;
    color: var(--wc);
}

.main_study .left>ul>li:nth-child(even) .btn_c {
    position: absolute;
    top: 270px;
    right: 50px;
}


.main_study .left>ul>li .itm::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;

    width: 100%;
    height: 100%;

    background: #006794 url(../images/cut_wave_01.png) no-repeat center bottom;
    color: var(--wc);
    opacity: 0;

    transition: ease 0.3s;
}

.main_study .left>ul>li .itm:hover::after {
    opacity: 1;
}


.main_study .left .img_box img {
    width: 800px;
    height: 400px;
    box-shadow: 14px 14px 30px 8px rgba(0, 0, 0, 0.062)
}

.main_study .left>ul>li {
    position: relative;
}

.main_study .left>ul>li:nth-child(odd) {
    margin-top: 200px;
}

.main_study .right {
    position: sticky;
    flex: 0 0 500px;
    top: 250px;
    padding: 80px 50px;
    background: #fff;
}

.main_study .right .title h2 {
    text-align: left;
}

.main_study .right .title p {
    margin-bottom: 20px;
    text-align: left;
}


.main_study .right .title .desc {
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 20px;
}



@media (max-width: 540px) {

    .main_study {
        background: #f9f9f9;
    }

    .main_study .sd_con {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        max-width: 100%;
        margin: 0 0 0 0;
        gap: 60px;
    }

    .main_study .left {
        order: 2;
    }

    .main_study .left ul {
        display: grid;
        grid-template-columns: repeat(1, 1fr);
        gap: 30px;
        padding: 0 15px;
    }


    .main_study .left>ul>li .itm {
        border-radius: 0 0 85px 0;
    }


    .main_study .left>ul>li .itm .txt strong {
        display: block;
        font-size: 18px;
        font-weight: 600;
        color: var(--wc);
        margin-bottom: 15px;
    }


    .main_study .left>ul>li .itm .txt h3 {
        font-size: 22px;
        margin-bottom: 30px;
    }


    .main_study .left>ul>li .itm .txt h3 span {
        display: block;
    }

    .main_study .left>ul>li .itm .txt p {
        font-size: 14px;
    }


    .main_study .left>ul>li .itm .txt .btn_c i {
        font-size: 18px;
    }


    .main_study .left .img_box img {
        width: 100%;
        height: 400px;
    }


    .main_study .left>ul>li:nth-child(odd) {
        margin-top: 0;
    }

    .main_study .right {
        position: relative;
        flex: 0 0 0;
        top: 0;
        padding: 0 0;
        margin: 0 auto;
        background: none;
    }

    .main_study .right .title h2 {
        text-align: center;
    }

    .main_study .right .title p {
        margin-bottom: 15px;
        text-align: center;
    }


    .main_study .right .title .desc {
        font-size: 14px;
    }


}



.main_campus {
    background: linear-gradient(transparent 50%, #193d74 50%);
}

.main_campus .cam_slide02 img {
    margin-bottom: 15px;
}

.main_campus .cam_slide02 .txt p {
    font-size: 15px;
    color: var(--wc);
    margin-bottom: 30px;
}

.main_campus .cam_slide02 .txt p strong {
    display: inline-block;
    font-size: 18px;
    font-weight: 600;
    margin: 0 10px 0 0;
}



.main_campus .cam_slide02 {
    max-width: 1170px;
    width: 100%;
    height: 100%;
    margin: 0 auto;
}

.main_campus .cam_slide01 {
    height: 200px;
    padding: 20px 0;
}

.main_campus .cam_slide01 .swiper-slide {
    width: 25%;
    height: 100%;
    opacity: .65;
}


.main_campus .cam_slide01 .swiper-slide-thumb-active {
    opacity: 1;
}

.main_campus .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.main_campus .cam_slide02 {
    position: relative;
}

.main_campus .cam_slide02 .arrows {
    position: absolute;
    top: 40%;

    max-width: 1170px;
    width: 100%;

}

.main_campus .cam_slide02 .arrows .left {
    position: absolute;
    left: -10px;
    color: var(--sc);
    background: rgba(255, 255, 255, .6);
    padding: 80px 30px;
}

.main_campus .cam_slide02 .arrows .right {
    position: absolute;
    right: -10px;
    color: var(--sc);
    background: rgba(255, 255, 255, .6);
    padding: 80px 30px;
}


@media (max-width: 540px) {

    .main_campus {
        background: linear-gradient(transparent 50%, #193d74 50%);
    }



    .main_campus .cam_slide02 .txt {
        padding: 0 15px;
    }

    .main_campus .cam_slide02 .txt p {
        font-size: 12px;
        line-height: 15px;
    }

    .main_campus .cam_slide02 .txt p strong {
        display: block;
        font-size: 14px;
        margin: 0 0 5px 0;
    }

    .main_campus .cam_slide02 {
        max-width: 100%;
        margin: 0 0;
    }

    .main_campus .cam_slide01 {
        height: auto;
        padding: 0 0;
        margin: -10px 0 0 0;
    }

    .main_campus .cam_slide01 .swiper-slide {
        width: 100%;
    }


    .main_campus .cam_slide02 .arrows {
        top: 10%;
        max-width: 100%;
        font-size: 5px;
    }

    .main_campus .cam_slide02 .arrows .left {
        position: absolute;
        left: -10px;

        color: var(--sc);
        background: rgba(255, 255, 255, .6);
        padding: 80px 30px;
    }

    .main_campus .cam_slide02 .arrows .right {
        position: absolute;
        right: -10px;
        color: var(--sc);
        background: rgba(255, 255, 255, .6);
        padding: 80px 30px;
    }

}











.main_reserch ul {
    position: relative;
    display: flex;
    gap: 20px;
}

.main_reserch ul>* {
    flex: 1;
}

.main_reserch ul>li {
    position: relative;
}

.main_reserch ul>li a {
    display: block;
}

.main_reserch ul>li figure {
    position: relative;
}

.main_reserch ul>li figure::before {
    content: "";
    position: absolute;
    inset: 0 0 0 0;
    height: 100%;
    border-radius: 0 0 35px 0;
    background: linear-gradient(to bottom, transparent 65%, #00688f 100%);
}

.main_reserch ul>li .img_box img {
    display: block;
    margin-bottom: 20px;
    border-radius: 0 0 36px 0;
}


.main_reserch ul>li .txt {
    position: absolute;
    bottom: 0;
    left: 0;
    margin: 0 0 30px 30px;
}


.main_reserch ul>li .txt h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--wc);
    margin: 10px;
}

.main_reserch ul>li .txt h3 span {
    display: block;
}

.main_reserch ul>li .desc p {
    font-size: 16px;
    font-weight: 500;
    color: #666;
    text-align: left;
    line-height: 20px;
    height: 60px;
    margin-bottom: 10px;
}

.main_reserch ul>li .desc p span {
    display: block;
}

.main_reserch ul>li .desc .data {
    font-size: 14px;
    font-weight: 400;
    color: #888;
}


.main_reserch ul>li .txt .btn_arrow {
    font-size: 16px;
    font-weight: 300;
    color: #ddd;
    margin: 0 0 0 10px;
}

.main_reserch ul>li .txt .btn_arrow:hover {
    color: var(--wc);
}



@media(max-width:540px) {
    .main_reserch ul {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }


    .main_reserch ul>li .txt h3 {
        font-size: 20px;
    }

}




.main_channel {
    background: #f9f9f9;
}

.main_channel .ch_slide .itm {
    margin-bottom: 40px;
}


.main_channel .ch_slide figure img {
    width: 220px;
    height: 220px;
    background-size: 100% auto;
    cursor: pointer;
}


.main_channel .title h2 {
    font-size: 34px;
    font-weight: 300;
    color: var(--mc);
    text-align: left;
}

.main_channel .title h2 span {
    font-size: 34px;
    font-weight: 700;
}

.main_channel .ch_con .sns {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.main_channel .ch_con .sns>ul {
    display: flex;
    text-align: right;
    gap: 10px;
}

.main_channel .ch_con .sns p {
    font-size: 18px;
    font-weight: 400;
    margin: 0 10px 0 0;
}

.main_channel .ch_con .sns p span {
    font-size: 20px;
    font-weight: 600;
}

.main_channel .ch_con .sns>ul>li {
    font-size: 18px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 50%;
}



@media (max-width: 540px) {

    .main_channel .title h2 {
        font-size: 22px;
    }

    .main_channel .title h2 span {
        font-size: 26px;
    }

    .main_channel .ch_con .sns p {
        font-size: 16px;
    }

    .main_channel .ch_con .sns p span {
        font-size: 18px;
    }

    .main_channel .ch_con .sns>ul>li {
        font-size: 16px;
        padding: 8px;
    }

}



.main_letter {}

.main_letter .lt_con {
    display: flex;
    align-items: center;
    gap: 20px;
}

.main_letter .lt_con>* {
    flex: 1;
}

.main_letter .lt_con .lt_l {
    flex: 0 0 250px;
}

.main_letter .lt_con .lt_l h2 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--mc);
}

.main_letter .lt_con .lt_l h2 span {
    display: block;
}



.main_letter .lt_c .link .agree {
    position: relative;
    border: 1px solid #ddd;
    margin-bottom: 15px;
}

.main_letter .lt_c .link .agree .title {
    width: 100%;
    font-size: 16px;
    font-weight: 600;
    color: #000;
    padding: 20px 30px;
    cursor: pointer;
}

.main_letter .lt_c .link .agree .title {
    display: flex;
    align-items: center;

}

.main_letter .lt_c .link .agree .title i {
    font-size: 24px;
    color: #ddd;
    margin: 0 10px 0 0;
}

.main_letter .lt_c .link .agree .title .icon {
    margin: 0 0 0 auto;
}

.main_letter .lt_c .link .agree .title .icon i {
    font-size: 18px;
    font-weight: 500;
    color: #000;
}


.main_letter .lt_c .link .agree .content {
    display: none;

    position: absolute;
    top: 50px;
    left: 0;
    z-index: 999;
    background: #fff;
    padding: 30px;
    border: 1px solid #ddd;
    width: 600px;

}


.main_letter .lt_c .link .agree .content p {
    display: block;
    font-size: 14px;
    color: #888;
    margin-bottom: 10px;
    line-height: 1.25;
}

.main_letter .lt_c .link .agree .content strong {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: #222;
    line-height: 1.45;
    border-bottom: 1px solid #f1f1f1;
    padding: 10px 0;
}

.main_letter .lt_c .link .agree .content strong:nth-child(5) {
    border-bottom: none
}

.main_letter .lt_c .link .agree .content span {
    font-size: 14px;
    font-weight: 300;
    color: #888;
    margin: 0 0 0 10px;
}

.main_letter .lt_c input[type="text"] {
    width: 325px;
    padding: 25px 30px;
    font-size: 20px;
    font-weight: 500;
    background: #f4f7f9;

    border: none;
    outline: none;
}

.main_letter .lt_c input[type="text"]::placeholder {
    color: #c0c0c0;
}

.main_letter .lt_c input[type="text"]:focus::placeholder {
    color: transparent;
}

.main_letter .lt_c button {
    font-size: 16px;
    font-weight: 600;
    color: var(--wc);
    background: var(--tc);
    border: none;
    padding: 27px 30px;
    margin: 0 0 0 -5px;
}



.main_letter .lt_r {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 100%;
}

.main_letter .lt_r .img_box img {
    border-radius: 3px;
    height: 156px;
}

.main_letter .lt_r .txt {
    flex: 0 0 150px;
}



.main_letter .lt_r .txt p {
    font-size: 18px;
    font-weight: 600;
    color: var(--wc);
    line-height: 1.45;
    text-align: center;
    background: var(--sc);
    border-radius: 3px;
    padding: 52px 0;

}

.main_letter .lt_r .txt p span {
    display: block;
}





@media (max-width: 540px) {

    .main_letter .lt_con {
        display: flex;
        flex-direction: column;
    }

    .main_letter .lt_con>* {
        flex: 1;
    }

    .main_letter .lt_con .lt_l {
        flex: 0 0 0;
    }

    .main_letter .lt_con .lt_l h2 {
        font-size: 24px;
    }

    .main_letter .lt_con .lt_l h2 span {
        display: inline-block;
    }

    .main_letter .lt_c .link .agree {
        width: 100%;
    }

    .main_letter .lt_c .link .agree .title {
        width: 100%;
        font-size: 14px;
        padding: 15px 30px;

    }

    .main_letter .lt_c .link .agree .content {
        width: 100%;
    }

    .main_letter .lt_c .link .agree .content strong span {
        display: block;
    }

    .main_letter .lt_c .link .agree .title i {
        font-size: 24px;
    }

    .main_letter .lt_c .link .agree .title .icon i {
        font-size: 18px;
    }


    .main_letter .lt_c input[type="text"] {
        width: 100%;
        font-size: 16px;
    }


    .main_letter .lt_c button {
        font-size: 14px;
        padding: 15px 30px;
        margin: 0 0 0 0px;
        width: 100%;
        border-radius: 3px;
    }


    .main_letter .lt_r {
        display: flex;
        flex-direction: column;
        gap: 1px;
        height: 100%;
        width: 100%;
        max-width: 100%;
    }


    .main_letter .lt_r .img_box img {
        border-radius: 3px;
        height: 100%;
        width: 370px;
    }

    .main_letter .lt_r .txt {
        flex: 0 0 0;
        height: 100%;
        width: 100%;
    }

    .main_letter .lt_r .txt p {
        font-size: 14px;
        padding: 15px 0;
        height: 100%;
    }

    .main_letter .lt_r .txt p span {
        display: inline-block;
    }

}






.main_wpb {
    background: var(--mc);
    padding: 30px 0;
}

.main_wpb .inner ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 35px;
}

.main_wpb ul>li {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--wc);
}

.main_wpb ul>li~li::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -18px;
    transform: translate(-50%, -50%);

    width: 1px;
    height: 8px;
    background: #dddddd69;
}


@media (max-width: 540px) {

    .main_wpb {
        padding: 30px 15px;
    }

    .main_wpb .inner ul {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;

    }

    .main_wpb ul>li {
        font-size: 14px;
        border-bottom: 1px solid rgba(255, 255, 255, .2);
        padding: 0 0 5px 0;
    }

    .main_wpb ul>li~li::before {
        display: none;
    }
}


.footer .ft_nav {
    padding: 50px 0;
}

.footer .ft_nav>* {
    display: flex;
    justify-content: space-between;
}


.footer .ft_nav ul>li a {
    font-size: 16px;
    font-weight: 600;
    color: #000;
}

.footer .ft_nav ul>li a:hover {
    color: var(--sc);
}

.footer .ft_nav ul>li i {
    display: none;
}

.footer .ft_nav .ft_sub {
    margin-top: 20px;
}

.footer .ft_nav .ft_sub>li>a {
    font-size: 15px;
    font-weight: 400;
    color: #444;
    line-height: 1.85;
}

.footer .ft_nav .ft_sub>li strong {
    color: var(--mc);
    font-weight: 500;
}

.footer .ft_nav .ft_sub>li a:hover {
    font-weight: 500;
    color: var(--sc);
}


.footer .ft_major {
    background: #f9f9f9;
}

.footer .ft_major .ft_top {
    padding: 30px 0;
    border-bottom: 1px solid #ddd;
}

.footer .ft_major .ft_top ul {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.footer .ft_major .ft_top ul>li {
    position: relative;
    font-size: 16px;
    font-weight: 500;
}

.footer .ft_major ul>li~li::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -20px;
    transform: translate(-50%, -50%);

    width: 1px;
    height: 8px;
    background: #ddd;
}

.footer .ft_major .ft_top ul>li strong {
    font-weight: 600;
    color: var(--mc);
}

.footer .ft_major .ft_top ul>li:hover {
    color: #000;
}

.footer .ft_major .ft_bottom {
    padding: 30px 0;
}


.footer .ft_major .ft_bottom .b_t {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.footer .ft_major .ft_bottom .b_t figure img {
    width: 200px;
    opacity: .5;
}


.footer .ft_major .ft_bottom .b_t .sns>ul {
    display: flex;
    gap: 10px;
}

.footer .ft_major .ft_bottom .b_t .sns>ul>li {
    font-size: 18px;
    color: #666;
    border: 1px solid #ddd;
    padding: 8px;
    border-radius: 5px;
}


.footer .ft_major .ft_bottom .b_b {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer .ft_major .ft_bottom .b_b .address {
    font-size: 16px;
    color: #666;
    line-height: 1.45;
}

.footer .ft_major .ft_bottom .b_b .copy {
    font-size: 14px;
}

.footer .ft_major .ft_bottom .b_b .isms {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer .ft_major .ft_bottom .b_b .isms figure img {
    width: 65px;
}


.footer .ft_major .ft_bottom .b_b .isms .txt p {
    font-size: 14px;
    color: #666;
    line-height: 1.35;
}

@media (max-width: 540px) {

    .footer .ft_nav {
        padding: 30px 0;
    }

    .footer .ft_nav>* {
        display: flex;
        flex-direction: column;
    }

    .footer .ft_nav ul>li {
        padding: 15px 0;
        border-bottom: 1px solid #ddd;
    }

    .footer .ft_nav ul>li a {
        font-size: 16px;
    }

    .footer .ft_nav ul>li i {
        display: inline-block;
        float: right;

    }


    .footer .ft_nav>ul>li .ft_sub {
        position: static;
        transform: translate(0, 0);
        width: auto;
        background: #fff;
        border: none;
        border-radius: 0 0 0 0;
        text-align: left;
        transition: none;

        visibility: visible;
        opacity: 1;
        padding: 0 0;
        display: none;
    }

    .footer .ft_nav .ft_sub>li {
        border: none;
        padding: 8px 0;
    }

    .footer .ft_nav .ft_sub>li>a {
        font-size: 15px;
    }



    .footer .ft_major .ft_top {
        padding: 30px 0;
        border-bottom: 1px solid #ddd;
    }

    .footer .ft_major .ft_top ul {
        display: block;
        text-align: center;
    }

    .footer .ft_major .ft_top ul>li {
        display: inline-block;
        padding: 5px 8px;
        position: relative;
        font-size: 14px;
        font-weight: 500;
    }

    .footer .ft_major ul>li~li::before {
        display: none;
    }

    .footer .ft_major .ft_top ul>li strong {
        font-weight: 600;
        color: var(--mc);
    }

    .footer .ft_major .ft_top ul>li:hover {
        color: #000;
    }

    .footer .ft_major .ft_bottom {
        padding: 30px 0;
    }


    .footer .ft_major .ft_bottom .b_t {
        display: flex;
        flex-direction: column;
        margin-bottom: 20px;
    }



    .footer .ft_major .ft_bottom .b_t figure img {
        width: 180px;
        margin-bottom: 20px;
    }


    .footer .ft_major .ft_bottom .b_t .sns>ul {
        display: flex;
        gap: 0;
    }

    .footer .ft_major .ft_bottom .b_t .sns>ul>li {
        font-size: 18px;
        border-radius: 0;
    }


    .footer .ft_major .ft_bottom .b_b {
        display: flex;
        flex-direction: column;
    }

    .footer .ft_major .ft_bottom .b_b .address {
        font-size: 14px;
        margin-bottom: 15px;
    }

    .footer .ft_major .ft_bottom .b_b .address p span {
        display: block;
    }

    .footer .ft_major .ft_bottom .b_b .copy {
        font-size: 14px;
    }


    .footer .ft_major .ft_bottom .b_b .isms figure img {
        width: 45px;
    }

    .footer .ft_major .ft_bottom .b_b .isms .txt p {
        font-size: 14px;
    }
}



.to_top {
    position: fixed;
    bottom: 100px;
    right: 60px;
    z-index: 999;

    opacity: 0;
    visibility: hidden;
    transition: .5s;
}

.to_top i {
    font-size: 24px;
    color: var(--mc);
    background: var(--wc);
    cursor: pointer;
    padding: 5px;
    border: 1px solid var(--mc);
    border-radius: 5px;
    transition: .5s;
}

.to_top i:hover {
    color: var(--wc);
    background: var(--mc);
}

.to_top.on {
    opacity: 1;
    visibility: visible;
    bottom: 50px;
}

@media (max-width: 540px) {

    .to_top {
        right: 20px;
        z-index: 999;
    }



    .to_top.on {
        bottom: 230px;
    }
}