#header {
    background-color: transparent;
    border-bottom: 1px solid #fff;
    transition: all 0.2s;
}
body {
    padding: 0px;
}
.pc_nav > ul > li > a {
    color: #fff;
    transition: all 0.2s;
}
.pc_nav > a > img {
    filter: brightness(100);
    transition: all 0.2s;
}
#header.headroom--not-top {
    background-color: #fff;
    border-bottom: 1px solid transparent;
}
#header.headroom--not-top .pc_nav > a > img {
    filter: none;
}
#header.headroom--not-top .pc_nav > ul > li > a {
    color: #191919;
}
.hd_nav img {
    filter: brightness(20);
    transition: all 0.2s;
}
#header.headroom--not-top .hd_nav img {
    filter: none;
}
.hd_swiper .swiper-slide p {
    color: #fff;
    transition: all 0.2s;
}
#header.headroom--not-top .hd_swiper .swiper-slide p {
    color: #727272;
}

/* main_video */
.main_video {
    margin-top: -133px;
}
.main_video_wrap {
    position: relative;
    width: 100%;
}
.main_video_wrap:after {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
}
.main_video_wrap iframe {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-image: url(../img/main_video.png);
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: initial;
    background-origin: initial;
    background-clip: initial;
    background-color: initial;
    background-size: cover !important;
}
/* 16:9 */
.iframe16To9 {
    aspect-ratio: 16 / 9;
}

/* 4:3 */
.iframe4To3 {
    padding-top: 75%;
}

/* main_banner */
.main_banner_swiper {
    overflow: hidden;
}
.main_banner_swiper .swiper-slide {
    position: relative;
}
.main_banner_con {
    position: absolute;
    left: 240px;
    top: 277px;
}
.main_banner_con > h2 {
    font-size: 60px;
    font-weight: 400;
    color: #fff;
    line-height: 88px;
    text-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
}
.main_banner_con > h2 > span {
    font-weight: 700;
}
.main_banner_con > h2 > span > span {
    color: #00fff3;
}
.main_banner_con > p {
    font-size: 19px;
    font-weight: 400;
    color: #fff;
    line-height: 36px;
    margin-top: 40px;
    margin-bottom: 100px;
}
.main_banner_nav {
    display: flex;
}
.main_banner_page {
    margin-left: 29px;
}
.main_banner_prev,
.main_banner_next,
.main_banner_btn {
    cursor: pointer;
}
.main_banner_page > span {
    color: #fff;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 1.5px;
}
.main_banner_btn {
    margin: 0px 32px;
}
.play {
    display: none;
}
.main_banner_btn.on > .stop {
    display: none;
}
.main_banner_btn.on > .play {
    display: block;
    margin-top: 3px;
}
.main_banner_swiper .swiper-slide > img:last-child {
    position: absolute;
    bottom: 98px;
    right: 290px;
    animation: main_banner 5s linear infinite;
}
@keyframes main_banner {
    0% {
        bottom: 98px;
    }
    50% {
        bottom: 150px;
    }
    100% {
        bottom: 98px;
    }
}

/* marquee */
:root {
    --marquee-width: 100%;
    --marquee-height: 240px;
    --marquee-elements-displayed: 5;
    --marquee-element-width: calc(var(--marquee-width) / var(--marquee-elements-displayed));
    --marquee-animation-duration: calc(var(--marquee-elements) * 6s);
}

.marquee {
    width: var(--marquee-width);
    height: var(--marquee-height);
    background-color: #f2f2f2;
    color: #eee;
    overflow: hidden;
    position: relative;
}
.marquee-content {
    list-style: none;
    height: 100%;
    display: flex;
    animation: scrolling var(--marquee-animation-duration) linear infinite;
}
@keyframes scrolling {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-1 * var(--marquee-element-width) * var(--marquee-elements)));
    }
}
.marquee-content li {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    width: var(--marquee-element-width);
    max-height: 100%;
    font-size: calc(var(--marquee-height) * 3 / 4); /* 5rem; */
    white-space: nowrap;
    margin-right: 100px;
}

/* main_intro */
.main_intro {
    padding-top: 148px;
    padding-bottom: 121px;
    background-image: url(../img/main_intro_bg.svg);
    background-size: cover;
    background-repeat: no-repeat;
}
.main_intro h2 {
    font-size: 60px;
    font-weight: 700;
    color: #191919;
    line-height: 80px;
}
.main_intro p {
    font-size: 19px;
    font-weight: 400;
    color: #191919;
    line-height: 36px;
    margin-top: 40px;
    margin-bottom: 40px;
    margin-left: 60px;
}
.main_intro a {
    font-size: 19px;
    font-weight: 500;
    line-height: 62px;
    margin-left: 60px;
    border: 1px solid #191919;
    display: inline-block;
    padding: 0px 24px;
    transition: all 0.2s;
}
.main_intro a:hover {
    border: 1px solid #fff;
    color: #fff;
    background-color: #191919;
}

/* main_slide */
.main_slide {
    display: flex;
    justify-content: flex-end;
}
.main_slide_wrap {
    max-width: 1680px;
    width: 100%;
    display: flex;
}
.main_slide01 {
    width: 100%;
    background-image: url(../img/main_slide01.png);
}
.main_slide02 {
    background-image: url(../img/main_slide02.png);
}
.main_slide03 {
    background-image: url(../img/main_slide03.png);
}
.main_slide_wrap > a > span {
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    transition: all 0.2s;
}
.main_slide_wrap > a > h2 {
    transition: all 0.2s;
    opacity: 0;
    font-size: 60px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 40px;
    margin-top: 20px;
    line-height: 72px;
}
.main_slide_wrap > a > h2 > span {
    color: #00fff3;
}
.main_slide_wrap > a > p {
    transition: all 0.2s;
    opacity: 0;
    font-size: 19px;
    font-weight: 400;
    color: #fff;
    line-height: 36px;
}
.main_slide_wrap > a {
    width: 240px;
    height: 527px;
    padding-top: 241px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-repeat: no-repeat;
    background-size: cover;
    transition: all 0.5s;
    cursor: default;
}
.main_slide_wrap > a.active {
    width: 100%;
    padding-top: 144px;
    padding-left: 60px;
    align-items: flex-start;
}
.main_slide_wrap > a.active > h2 {
    opacity: 1;
}
.main_slide_wrap > a.active > p {
    opacity: 1;
}
.main_slide_wrap > a.active > span {
    font-size: 24px;
}

/* main_slide_con */
.main_slide_con {
    padding-top: 48px;
    padding-bottom: 140px;
    padding-left: 300px;
}
.main_slide_con > div {
    display: none;
}
#main_slide_con01 {
    display: block;
}
.main_slide_con > div > p {
    font-size: 45px;
    font-weight: 700;
    color: #1d1919;
    line-height: 72px;
}
.main_slide_con > div > p > span {
    color: #c3c3c3;
}

/* main_navigation */
.main_navigation {
    display: flex;
}
.main_navigation > div {
    width: 50%;
}
.main_navigation_left {
    background-image: url(../img/main_navigation_bg.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding-left: 240px;
    padding-top: 275px;
}
.main_navigation_left > h2 {
    font-size: 60px;
    font-weight: 400;
    line-height: 80px;
    color: #fff;
}
.main_navigation_left > h2 > span {
    font-weight: 700;
}
.main_navigation_left > p {
    font-size: 19px;
    font-weight: 400;
    line-height: 36px;
    color: #fff;
    margin-top: 40px;
    margin-bottom: 40px;
}
.main_navigation_left > a {
    display: inline-block;
    line-height: 62px;
    font-size: 19px;
    font-weight: 500;
    background-color: #fff;
    padding: 0px 24px;
    transition: all 0.2s;
}
.main_navigation_left > a:hover {
    background-color: #191919;
    color: #fff;
}
.main_navigation_right > div {
    display: flex;
    position: relative;
}
.main_navigation_right > div::after {
    content: '';
    display: block;
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    background-color: #1d1919;
    opacity: 0.8;
    transition: all 0.2s;
}
.main_navigation_right > div:hover::after {
    opacity: 0;
}
.main_navigation_right > div > div {
    background-color: #f5f6f9;
    padding-left: 40px;
    padding-top: 90px;
    width: 100%;
}
.main_navigation_right > div > div > span {
    font-size: 36px;
    font-weight: 700;
    color: #1d1919;
}
.main_navigation_right > div > div > p {
    color: #727272;
    font-size: 19px;
    font-weight: 400;
    margin-top: 20px;
    line-height: 36px;
}

/* main_docter */
.main_docter {
    padding-top: 110px;
    padding-bottom: 120px;
    overflow: hidden;
}
.main_docter .swiper-slide > div {
    display: flex;
    position: relative;
}
.main_docter_right {
    position: absolute;
    right: 0px;
    top: 0px;
    padding-top: 30px;
}
.main_docter_right > h2 {
    margin-left: 120px;
    margin-bottom: 40px;
    font-size: 40px;
    font-weight: 400;
    color: #1d1919;
    line-height: 52px;
}
.main_docter_right > h2 > span {
    font-weight: 700;
}
.main_docter_box {
    background-image: url(../img/main_docter_box_bg.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 73px;
    width: 720px;
    height: 720px;
}
.main_docter_title {
    padding-left: 40px;
}
.main_docter_title > h3 {
    font-size: 42px;
    font-weight: 500;
    color: #fff;
}
.main_docter_title > h3 > span {
    font-size: 16px;
    font-weight: 400;
}
.main_docter_title > div {
    display: flex;
    margin-top: 19px;
    margin-bottom: 24px;
}
.main_docter_title > div > span {
    display: inline-block;
    line-height: 45px;
    background-color: #fff;
    border-radius: 23px;
    font-size: 16px;
    font-weight: 400;
    color: #002a56;
    padding: 0px 20px;
    margin-right: 10px;
}
.main_docter_title > div > span:nth-of-type(2) {
    color: #004098;
    margin-right: 0px;
}
.main_docter_title > div > span > img {
    margin-right: 6px;
}
.main_docter_line {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.5);
}
.main_docter_con {
    padding-top: 27px;
    padding-left: 40px;
    display: flex;
    position: relative;
}
.main_docter_con > p {
    font-size: 18px;
    font-weight: 400;
    color: #fff;
    line-height: 42px;
}
.main_docter_con > p:nth-of-type(2) {
    margin-left: 50px;
}
.main_docter_box > a:hover {
    background-color: #fff;
    border: 1px solid transparent;
    color: #37b296;
}
.main_docter_box {
    position: relative;
}
.main_docter_box > a {
    position: absolute;
    /* bottom: 82px; */
    bottom: 50px;
    left: 40px;
    line-height: 62px;
    font-weight: 500;
    color: #fff;
    font-size: 19px;
    padding: 0px 24px;
    border: 1px solid #fff;
    display: inline-block;
    transition: all 0.2s;
}
.main_docter_page {
    margin-left: 242px;
    display: flex;
    flex-wrap: wrap;
    max-width: 720px;
}
.main_docter .main_docter_page > .swiper-pagination-bullet {
    width: 49.3%;
    height: auto;
    line-height: 80px;
    border-radius: 0px;
    background-color: transparent;
    /* border: 1px solid #707070; */
    box-shadow: 1px 0 0 0 #707070, 0 1px 0 0 #707070, 1px 1px 0 0 #707070,
        1px 0 0 0 #707070 inset, 0 1px 0 0 #707070 inset;
    font-size: 24px;
    font-weight: 500;
    color: #1d1919;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    margin: 0px;
    position: relative;
    transition: all 0.2s;
}
.main_docter .main_docter_page > .swiper-pagination-bullet:hover {
    /* border: 1px solid #37b296; */
    box-shadow: 1px 0 0 0 #37b296, 0 1px 0 0 #37b296, 1px 1px 0 0 #37b296,
        1px 0 0 0 #37b296 inset, 0 1px 0 0 #37b296 inset;
}
.main_docter .main_docter_page > span::before {
    font-size: 14px;
    font-weight: 400;
    margin-right: 10px;
}
.main_docter .main_docter_page > span:nth-of-type(1)::before {
    content: '대표원장';
}
.main_docter .main_docter_page > span:nth-of-type(2)::before {
    content: '원장';
}
.main_docter .main_docter_page > span:nth-of-type(3)::before {
    content: '원장';
}
.main_docter .main_docter_page > span:nth-of-type(4)::before {
    content: '원장';
}
.main_docter .main_docter_page > span:nth-of-type(5)::before {
    content: '원장';
}
.main_docter .main_docter_page .swiper-pagination-bullet-active {
    background-color: #37b296;
    color: #fff;
    /* border: transparent 1px solid; */
}

/* main_slogan01 */
.main_slogan01 {
    background-image: url(../img/main_slogan01_bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    padding-top: 140px;
    padding-bottom: 153px;
}
.main_slogan01 h2 {
    font-size: 60px;
    font-weight: 700;
    color: #1d1919;
    line-height: 80px;
}
.main_slogan01 h2 > span {
    color: #37b296;
}
.main_slogan01 p {
    font-size: 19px;
    font-weight: 400;
    color: #727272;
    line-height: 36px;
    margin-top: 40px;
}

/* main_category01 */
.main_category01 {
    padding-top: 140px;
}
.main_category01 > div {
    display: flex;
}
.main_category01 > div > div {
    width: 50%;
}
.main_category01_left > span {
    font-size: 19px;
    font-weight: 400;
    color: #727272;
}
.main_category01_left > h2 {
    font-size: 60px;
    font-weight: 400;
    color: #1d1919;
    line-height: 80px;
    margin-top: 20px;
}
.main_category01_left > h2 > span {
    color: #37b296;
    font-weight: 700;
}
.main_category01_right {
    display: flex;
}
.main_category01_right > a {
    display: inline-block;
    width: 360px;
    height: 360px;
    padding: 40px;
    position: relative;
}

.main_category01_right > a:hover > img {
    transform: rotate(90deg);
}
.main_category01_right > a > span {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
}
.main_category01_right > a > p {
    font-size: 16px;
    font-weight: 400;
    color: #fff;
    margin-top: 20px;
    line-height: 24px;
}
.main_category01_right > a > img {
    position: absolute;
    right: 40px;
    bottom: 40px;
    transition: all 0.2s;
}
.main_category01_1 {
    background-color: #37b296;
}
.main_category01_2 {
    background-color: #1d1919;
}

/* main_category02 */
.main_category02 {
    padding-bottom: 120px;
    background-image: url(../img/main_category02_bg.png);
    background-repeat: no-repeat;
    background-size: cover;
}
.main_category02 > div {
    display: flex;
}
.main_category02 > div > div {
    width: 50%;
}
.main_category02_left > a {
    background-color: #f5f6f9;
    padding: 40px;
    width: 100%;
    height: 360px;
    position: relative;
    display: block;
    transition: all 0.2s;
}
.main_category02 a:hover > img {
    transform: rotate(90deg);
}
.main_category02_left > a > span {
    font-size: 36px;
    font-weight: 700;
    line-height: 48px;
    color: #1d1919;
}
.main_category02_left > a > p {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    color: #1d1919;
    margin-top: 20px;
}
.main_category02_left > a > img {
    position: absolute;
    right: 40px;
    bottom: 40px;
    filter: invert(1);
    transition: all 0.2s;
}
.main_category02_right {
    display: flex;
}
.main_category02_right > a {
    display: inline-block;
    width: 360px;
    height: 360px;
    padding: 40px;
    position: relative;
    transition: all 0.2s;
}
.main_category02_right > a > span {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
}
.main_category02_right > a > p {
    font-size: 16px;
    font-weight: 400;
    color: #fff;
    margin-top: 20px;
    line-height: 24px;
}
.main_category02_right > a > img {
    position: absolute;
    right: 40px;
    bottom: 40px;
    transition: all 0.2s;
}
.main_category02_2 {
    background-color: #08347a;
}
.main_category02_3 {
    background-color: rgba(255, 255, 255, 0.8);
}
.main_category02_3 img {
    filter: invert(1);
}
.main_category02_right .main_category02_3 span,
.main_category02_right .main_category02_3 p {
    color: #1d1919;
}

.main_implant {
    padding: 120px 0px;
}

.main_implant h2 {
    font-size: 60px;
    font-weight: 300;
    color: #1d1919;
    line-height: 80px;
    margin-bottom: 60px;
}

.main_implant h2 > span {
    font-weight: 700;
}

.main_implant_con h3 {
    font-size: 38px;
    font-weight: 700;
    color: #1d1919;
}

.main_implant_con02 h3 {
    color: #fff;
}

.main_implant_con h4 {
    font-size: 24px;
    font-weight: 500;
    color: #e76000;
    margin: 30px 0px 60px;
}

.main_implant_con02 h4 {
    color: #34b5e0;
}

.main_implant_con p {
    font-size: 19px;
    font-weight: 400;
    color: #1d1919;
    line-height: 36px;
}

.main_implant_con02 p {
    color: #fff;
}

.main_implant_con > div {
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    height: 525px;
    padding-left: 160px;
    flex-direction: column;
    justify-content: center;
}

.main_implant_con01 {
    background-image: url(../img/main_implant_con01.jpg);
}

.main_implant_con02 {
    background-image: url(../img/main_implant_con02.jpg);
}
.main_slogan02 {
    background-image: url(../img/main_slogan02.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    padding: 100px 0px;
}

.main_slogan02 > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main_slogan02_title h2 {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
}

.main_slogan02_title p {
    font-size: 19px;
    font-weight: 300;
    color: #fff;
    line-height: 36px;
    margin-top: 39px;
}

.main_slogan02_con {
    background-color: #fff;
    padding-top: 90px;
    padding-left: 120px;
    padding-bottom: 67px;
    max-width: 960px;
    width: 100%;
    display: flex;
    align-items: center;
}

.main_slogan02_con h3 {
    font-size: 24px;
    font-weight: 500;
    color: #1d1919;
    margin-bottom: 12px;
}

.main_slogan02_con p {
    font-size: 16px;
    font-weight: 400;
    color: #727272;
    line-height: 24px;
}

.main_slogan_right {
    margin-left: 154px;
}

.main_slogan02_con01,
.main_slogan02_con03 {
    margin-bottom: 55px;
}
/* main_interior */
.main_interior {
    padding-top: 120px;
    padding-bottom: 120px;
    overflow: hidden;
}
.main_interior > span {
    display: block;
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    color: #1d1919;
}
.main_interior > h2 {
    margin-top: 20px;
    margin-bottom: 40px;
    text-align: center;
    font-size: 60px;
    font-weight: 700;
    color: #1d1919;
}
.main_interior_swiper {
    overflow: hidden;
}
.main_interior .swiper-slide {
    position: relative;
}
.swiper-slide-active .main_interior_nav {
    bottom: 0px;
}
.main_interior_nav {
    position: absolute;
    right: 0px;
    bottom: -76px;
    display: flex;
    align-items: center;
    background-color: #2f3032;
    transition: all 0.2s;
}
.main_interior_nav > span {
    font-size: 16px;
    font-weight: 400;
    color: #fff;
    margin-left: 29px;
}
.main_interior_nav > p {
    font-size: 20px;
    font-weight: 400;
    color: #fff;
    margin-left: 35px;
    margin-right: 68px;
}
.main_interior > div.center {
    display: flex;
    margin-top: 160px;
    justify-content: space-between;
}
.main_interior_left > h2 {
    font-size: 60px;
    font-weight: 700;
    line-height: 80px;
    color: #1d1919;
}
.main_interior_right > h3 {
    font-size: 40px;
    font-weight: 700;
    color: #1d1919;
}
.main_interior_right > p {
    font-size: 20px;
    font-weight: 400;
    color: #1d1919;
    margin-top: 20px;
    line-height: 28px;
}
.main_interior_prev,
.main_interior_next {
    cursor: pointer;
}