/* Common CSS */
.container {
    max-width: 978px;
    margin: 0 auto;
    position: relative;
}

main{
    padding: 20px 0 120px;
}

.index main{
    padding: 0;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0;
    background: #070705;
}

header > a {
    /* width: 70px;
    height: 44px; */
    position: relative;
    display: block;
    /* transform-style: preserve-3d; */
    /* transform: rotateY(180deg); */
}

/* header > a img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
} */

/* header > a img:first-child {    
    z-index: 2;
}

header > a img:last-child {
    transform: rotateY(180deg);
    z-index: 1;
} */

/* 자동 좌우 플립 애니메이션 */
header > a.auto-flip img:first-child {
    animation: autoFlip1 infinite;
    animation-duration: 5s; /* 3초 멈춤 + 2초 전환 */
    animation-timing-function: ease-in-out;
}

header > a.auto-flip img:last-child {
    animation: autoFlip2 infinite;
    animation-duration: 5s; /* 3초 멈춤 + 2초 전환 */
    animation-timing-function: ease-in-out;
}

@keyframes autoFlip1 {
    0%, 60% { /* 0% ~ 60% = 3초 동안 멈춤 */
        transform: rotateY(0deg);
    }
    60%, 100% { /* 60% ~ 100% = 2초 동안 전환 */
        transform: rotateY(180deg);
    }
    100% { /* 다음 사이클과 자연스럽게 연결 */
        transform: rotateY(0deg);
    }
}

@keyframes autoFlip2 {
    0%, 60% { /* 0% ~ 60% = 3초 동안 멈춤 */
        transform: rotateY(180deg);
    }
    60%, 100% { /* 60% ~ 100% = 2초 동안 전환 */
        transform: rotateY(0deg);
    }
    100% { /* 다음 사이클과 자연스럽게 연결 */
        transform: rotateY(180deg);
    }
}

header nav ul {
    display: flex;
    gap: 100px;
}

header nav ul li a {
    font-size: 18px;
    font-style: normal;
    font-weight: 900;
    line-height: 100%; /* 18px */
    color: #FFF;
}

header nav ul li:nth-child(3) a,
header nav ul li:nth-child(4) a {
    font-size: 14px;
    font-weight: 600;
    color: #989898;
}

header nav ul li:last-child a{
    right: 0;
}

/* header nav ul li:nth-child(4) a {
    padding-right: 0;
    font-size: 14px;
    font-weight: 600;
    color: #c0c0c0;
}

header nav ul li:nth-child(4) a:before {
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 24px;
    height: 24px;
    margin-right: 5px;
    background: url('../img/btn_down.png') no-repeat center;
} */

.container.full {
    max-width: 100%;
    margin: 0;
}

.container.full header {
    max-width: 978px;
    margin: 0 auto;
}

body.nav-open{
    overflow: hidden;
}

.section.case-detail .content {
    padding: 0;
}

.title {
    margin-bottom: 120px;
    text-align: center;
}

.title h1 {
    width: auto;
    height: 251px;
}

.title h2 {
    margin-top: 12px;
    font-size: 40px;
    font-style: normal;
    font-weight: 400;
    line-height: 52px;
    color: #B3B3B3;
}

.title h2 strong {
    font-weight: 600;
    color: #fff;    
}

footer {
    height: 100px;
    position: relative;
    margin-top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #171717;
    background: #070705;
}

.container.full footer {
    max-width: 978px;
    margin: 0 auto;
}

footer p {
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: 120%;
    color: rgba(236, 236, 236, 0.40);
}

footer .footer-link {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 16px;
}

footer .top-btn {
    position: absolute;
    /* top: -50px; */
    bottom: calc(100% + 12px);
    right: 0;
}

/* main */
.main-section {
    position: relative;
    min-height: calc(100vh - 140px); /* 헤더 높이를 제외한 전체 높이 */
    padding-bottom: 90px;
}

.main-section .hero-animation {
    width: 978px;
    /* height: 598px; */
    margin-top: 40px;
    position: relative;
    text-align: center;
}

.main-section .hero-animation > img {
    position: absolute;
    top:0;
    left: 50%;
    transform: translate(-50%, 0);
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    max-width: 100%;
    height: auto;
}

.main-section .hero-animation > img:first-child {
    position: relative;
}

.main-section .hero-animation > img.active {
    opacity: 1;
}

.main-section .bnr-case-container {
    width: 100%;
    margin: 50px auto 0;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-section .bnr-case-container .btn_link {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    padding-left: 21px;
}

.main-section .bnr-case-container .btn_link .txt_link {
    display: flex;
    align-items: center;
    width: 130px;
    height: 40px;
    padding-left: 20px;
    background: #FF0000;
}

.main-section .bnr-case-container .btn_link p{
    margin-top: 8px;
    font-weight: 400;
    font-size: 12px;
    color: #414747;
    line-height: 8px;
}

.main-section .bnr-case {    
    margin-left: auto;
}

.main-section .bnr-case-container .swiper {
    width: 410px;
    height: 56px;
    margin-top: 0;
    margin-right: 0;
    /* margin-right: 45px; */
}

.main-section .bnr-case-container .bnr-swiper .swiper-wrapper {
    width: 100%;
    height: 100%;
}

.main-section .bnr-case-container .bnr-swiper .swiper-slide {
    width: 100%;
    height: 100%;
}

.main-section .bnr-case-container .bnr-swiper .bnr-case {
    position: relative;
    overflow: hidden;
    display: block;
    width: 100%;
    height: 56px;
}

.main-section .bnr-case-container .bnr-swiper .bnr-case img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.main-section .bnr-case-container .bnr-swiper .bnr-case img:first-child {
    display: block;
}

.main-section .bnr-case-container .bnr-swiper .bnr-case img:last-child {
    display: none;
}

.main-section .bnr-case-container .bnr-swiper .bnr-case:hover img:first-child {
    display: none;
}

.main-section .bnr-case-container .bnr-swiper .bnr-case:hover img:last-child {
    display: block;
}

/* case */
.case-list {
    margin-top: 120px;
}

.case-list .case-item {
    width: 100%; 
    height: 160px;
    overflow: hidden;
    position: relative;
}

/* .case-list .case-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid #fff;
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-list .case-item:hover::after {
    opacity: 1;
    animation: borderAnimation 1.5s linear forwards;
} */

/* @keyframes borderAnimation {
    0% {
        clip-path: inset(0 0 95% 0);
    }
    25% {
        clip-path: inset(0 0 0 95%);
    }
    50% {
        clip-path: inset(95% 0 0 0);
    }
    75% {
        clip-path: inset(0 95% 0 0);
    }
    100% {
        clip-path: inset(0 0 0 0);
        opacity: 0;
    }
} */

.case-list .case-item:not(:first-child) {
    margin-top: 30px;
}

.case-list .case-item a {    
    width: 100%;
    height: 100%;
    position: relative;
    display: block;
    background: #272727;
    pointer-events: none;
}

.case-list .case-item a.link{
    pointer-events: auto;
}

.case-list .case-item a .case-item-img {
    width: 100%;
    height: 100%;    
}

.case-list .case-item a .case-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-list .case-item a .case-item-info {
    width: 100%;
    height: 100%;
    padding: 24px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    position: absolute;
    top: 0;
    left: 0;    
    z-index: 20;
}

.case-list .case-item a .case-item-info:before {
    content:'';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(22, 23, 22, .6);
    opacity: 0;
    transition: 0.4s;
}

.case-list .case-item a .case-item-info .icon{
    position: relative;
    width: 32px;
    height: 32px;
}

.case-list .case-item a .case-item-info .logo {
    position: absolute;
    top: 24px;
    left: 40px;
    height: auto;
}

.case-list .case-item a .case-item-info .logo img,
.case-list .case-item a .case-item-info .icon img{
    position: absolute;
    top: 0;
    left: 0;
}

.case-list .case-item a .case-item-info .logo img:nth-child(2),
.case-list .case-item a .case-item-info .icon img:nth-child(2){
    display: none;
}

.case-list .case-item a .case-item-info > div {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    position: relative;
    width: 100%;
}

.case-list .case-item a .case-item-info > div:not(.logo):after{
    content:'';
    position: absolute;
    top: 50%;
    right: 0;
    width: 8px;
    height: 16px;
    background: url(../img/case/case_list/case_item_arr.png) no-repeat center / 100% auto;
    transform: translateY(-50%);
    transition: .35s;
}

.case-list .case-item a .case-item-info p {
    font-size: 28px;
    font-style: normal;
    font-weight: 800;
    line-height: 34px;
    color: #606060;
    transition: 0.4s;
}

.case-list .case-item a .case-item-info p strong{
    font-weight: inherit;
}

.case-list .case-item a .case-item-info span {
    display: inline-block;
    position: relative;
    margin-left: -3px;
    padding-left: 8px;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: 20px;
    color: #606060;
    transition: 0.4s;
}

.case-list .case-item a .case-item-info span:before {
    content:'';
    position: absolute;
    top: 50%;
    left: 0;
    width: 1px;
    height: 12px;
    background: #404040;
    transform: translate(-50%, -50%);
    transition: 0.4s;
}

/* 게시물 있는 경우 */
.case-list .case-item a .case-item-img + .case-item-info:before {
    opacity: 1;
}

.case-list .case-item a .case-item-img + .case-item-info p{
    color: #cfcfcf;
}

.case-list .case-item a .case-item-img + .case-item-info span{
    color: #CDCDCD;
}

.case-list .case-item a .case-item-img + .case-item-info span:before{
    background: #969696;
}

.case-list .case-item a .case-item-img + .case-item-info > div:not(.logo):after{
    background-image: url(../img/case/case_list/case_item_arr_on.png);
}

/* hover */
.case-list .case-item a:hover .case-item-img + .case-item-info:before{    
    opacity: 0.45;
}

.case-list .case-item a:hover .case-item-img + .case-item-info .logo img:nth-child(1),
.case-list .case-item a:hover .case-item-img + .case-item-info .icon img:nth-child(1){
    animation: fadeOut 0.35s both;
}

.case-list .case-item a:hover .case-item-img + .case-item-info .logo img:nth-child(2),
.case-list .case-item a:hover .case-item-img + .case-item-info .icon img:nth-child(2){
    display: block;
    animation: fadeIn 0.35s both;
}

.case-list .case-item a:hover .case-item-img + .case-item-info p{
    color: #fff;
}

.case-list .case-item a:hover .case-item-img + .case-item-info span{
    color: #fff;
}

.case-list .case-item a:hover .case-item-img + .case-item-info span:before{
    background: #fff;
}

.small-case-list {
    display: flex;
    gap: 20px 40px;
    flex-wrap: wrap;
    margin-top: 50px;               
}

.small-case-list li {
    width: calc(50% - 20px);
    text-align: right;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 22px;
    color: #ADADAD;
    padding-bottom: 16px;
    background: url(../img/case/case_list/small_case_list_line.png) no-repeat bottom / 100% auto;
}

.small-case-list li:nth-child(odd) {
    text-align: left;
}

.small-case-list li:nth-child(n+3) {
    margin-top: 40px;
}

.small-case-list li a {
    display: block;
    width: 100%;
    height: 100%;    
    pointer-events: none;
}

.small-case-list li strong {
    font-weight: inherit;
}

/* case_detail */
.case-detail-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    margin-top: 120px;
}

.case-detail-top-info {
    width: 440px;
}

.case-detail-top-info h2 {
    font-size: 48px;
    font-style: normal;
    font-weight: 600;
    line-height: 62px;
    color: #FFF;
}

.case-detail-top-info h2.blind {
    display: none;
}

.case-detail-top-info p {
    margin-top: 32px;
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 1.4;
    color: #A3A3A3;
}

.case-detail-top-info p strong {
    font-weight: 600;
    color: #fff;
}

.case-detail-top-img {
    width: 531px;
    height: 708px; 
}

.case-detail-content {
    padding-top: 100px;
}

.case-detail-content-item {
    position: relative;
}

.case-detail-content-item:not(:first-child) {
    margin-top: 100px;
}

.case-detail-content-item:nth-child(even) {
    text-align: right;
}
.case-detail-content-item:nth-child(odd) {
    text-align: left;
}

.case-detail-content-item img {
    width: fit-content;
    height: auto;
}

.case-detail-content-item .info {
    position: relative;
    top: 0;
    will-change: transform, opacity; /* 성능 최적화 */
}

.case-detail-content-item .info.active {
    opacity: 1;
    transform: translate(0, 0);
}

.mois .case-detail-content-item:nth-child(1) .info {
    left: -77px;
}

.mois .case-detail-content-item:nth-child(1) .typo {
    top: 190px;
}

.mois .case-detail-content-item:nth-child(2) .info {
    right: -87px;
}

.mois .case-detail-content-item:nth-child(2) .typo {
    top: 140px;
}

.mois .case-detail-content-item:nth-child(3) .info {
    left: -107px;
}

.mois .case-detail-content-item:nth-child(3) .typo {
    top: 147px;
}

.mois .case-detail-content-item:nth-child(4) .info {
    right: -48px;
}

.mois .case-detail-content-item:nth-child(4) .typo {
    top: 210px;
}

.mois .case-detail-content-item:nth-child(5) .typo {
    top: auto;
    bottom: 0;
}

/* nexttrade */
.nexttrade .case-detail-content-item:nth-child(1) .info {
    left: -135px;
}

.nexttrade .case-detail-content-item:nth-child(1) .typo {
    top: 188px;
}

.nexttrade .case-detail-content-item:nth-child(2) .info {
    right: -114px;
}

.nexttrade .case-detail-content-item:nth-child(2) .typo {
    top: 274px;
}

.nexttrade .case-detail-content-item:nth-child(3) .typo {
    top: 136px;
}

.nexttrade .case-detail-content-item:nth-child(4) .typo {
    top: 285px;
}

.nexttrade .case-detail-content-item:nth-child(5) .typo {
    top: 136px;
}

/* incheonair */
.incheonair .case-detail-content-item:nth-child(1) .typo {
    top: 136px;
}

.incheonair .case-detail-content-item:nth-child(2) .typo {
    top: 136px;
}

.incheonair .case-detail-content-item:nth-child(3) .typo {
    top: 136px;
}

.incheonair .case-detail-content-item:nth-child(4) .typo {
    top: 136px;
}

.incheonair .case-detail-content-item:nth-child(5) .typo {
    top: auto;
    bottom: 0;
}

.case-detail-content-item .typo {
    position: absolute;
}

.mois .case-detail-content-item:nth-child(odd) .typo {    
    right: -310px;    
}

.mois .case-detail-content-item:nth-child(even) .typo {
    left: -310px;
}

.nexttrade .case-detail-content-item:nth-child(odd) .typo {    
    right: -310px;    
}

.nexttrade .case-detail-content-item:nth-child(even) .typo {
    left: -310px;
}

.incheonair .case-detail-content-item:nth-child(odd) .typo {    
    right: -310px;    
}

.incheonair .case-detail-content-item:nth-child(even) .typo {
    left: -310px;
}
 
/* Lab 페이지 스냅 스크롤 효과 */
.section.lab {
    overflow: hidden;
    padding: 0;
    margin-top: 0;
}

.section.lab section {
    width: 100%;
    height: 100vh;
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* 섹션 전환 시 부드러운 애니메이션 효과를 위한 트랜지션 설정 */
}

/* 각 섹션별 스타일 */
.section.lab .lab-title {
    justify-content: flex-start;
    gap: 120px;
}

.section.lab .video {
    width: 100vw;
    height: 100vh;
    margin-left: calc(-50vw + 50%);
    padding: 0;
    position: relative;
}

.section.lab .video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.section.lab .video .txt-area {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 10;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;    
}

.section.lab .video .txt-area img {    
    width: fit-content;
    height: auto;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.section.lab .video .txt-area img.active {
    opacity: 1;
    transform: translateY(0);
}

.section.lab .video .txt-area p {
    margin-top: 24px;
    font-size: 20px;
    font-style: normal;
    font-weight: 100;
    line-height: 28px;
    letter-spacing: 1%;
    color: #FFF;
    text-align: center;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out 0.2s, transform 0.8s ease-out 0.2s;
}

.section.lab .video .txt-area p.active {
    opacity: 1;
    transform: translateY(0);
}

.section.lab .video .txt-area p strong {
    font-weight: 600;
}

.section.lab .video .txt-area a {
    margin-top: 40px;
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
    letter-spacing: 1%;
    color: #FFF;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out 0.4s, transform 0.8s ease-out 0.4s;
} 

.section.lab .video .txt-area a.active {
    opacity: 1;
    transform: translateY(0);
}

.section.lab .video .txt-area a::after {
    content: '';
    display: inline-block;
    vertical-align: middle;
    margin-top: -2px;
    width: 24px;
    height: 24px;
    background: url('../img/icon_arrow.png') no-repeat center;
}



.section.lab .organization {
    display: flex;
    justify-content: center;
    align-items: center;
}

.section.lab .organization img {
    max-width: 90%;
    height: auto;
}

.section.lab .track {
    display: flex;
    justify-content: center;
    align-items: center;
}

.section.lab .track img {
    max-width: 90%;
    height: auto;
}

.section.lab .workshop {
    width: 1225px;
    height: 100vh;
    gap: 32px;
    position: relative;
    overflow: hidden;
}

.section.lab .workshop > img {
    max-width: 100%;
    height: auto;
}

.section.lab .workshop article {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateY(100px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.section.lab .workshop article.active {
    opacity: 1;
    transform: translateY(0);
}

.section.lab .workshop article img {
    position: absolute;
    width: fit-content;
    height: auto;
    max-width: 80%;
}

/* Workshop article들의 개별 패럴랙스 효과 */
.section.lab .workshop .workshop-page01 {
    z-index: 3;
}

.section.lab .workshop .workshop-page02 {
    z-index: 2;
}

.section.lab .workshop .workshop-page03 {
    z-index: 1;
}

.section.lab .workshop article.workshop-page01 img:nth-child(1) {
    top: 110px;
    left: 146px;
}
.section.lab .workshop article.workshop-page01 img:nth-child(2) {
    top: 250px;
    left: 904px;
}
.section.lab .workshop article.workshop-page01 img:nth-child(3) {
    top: 550px;
    left: 0;
}
.section.lab .workshop article.workshop-page01 img:nth-child(4) {
    top: 650px;
    left: 975px;
}

.section.lab .workshop article.workshop-page02 img:nth-child(1) {
    top: 210px;
    left: 904px;
}
.section.lab .workshop article.workshop-page02 img:nth-child(2) {
    top: 450px;
    left: 61px;
}
.section.lab .workshop article.workshop-page02 img:nth-child(3) {
    top: 660px;
    left: 854px;
}

.section.lab .workshop article.workshop-page03 img:nth-child(1) {
    top: 210px;
    left: 121px;
}
.section.lab .workshop article.workshop-page03 img:nth-child(2) {
    top: 450px;
    left: 914px;
}
.section.lab .workshop article.workshop-page03 img:nth-child(3) {
    top: 660px;
    left: 171px;
}

.section.lab .methodology {
    gap: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.section.lab .methodology img {
    max-width: 90%;
    height: auto;
}

/* 부드러운 스크롤 */
html {
    scroll-behavior: smooth;
}

/* 스크롤 중일 때 커서 스타일 */
body.scrolling {
    cursor: none;
}

/* contact */
.address-info {
    text-align: center;
}

.address-info strong {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 40px;
    font-size: 48px;
    font-style: normal;
    font-weight: 600;
    line-height: 62px;
    color: #FFF;
}

.address-info p {
    margin-top: 16px;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 1.375; /* 100% */
    color: #ECECEC;
}

.address-info p.txt_eng {
    margin-top: 4px;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 1.375; /* 125% */
    color: #999;
}

.contact-info {
    margin-top: 100px;
    display: flex;
    justify-content: space-between;
    position: relative;
}

.contact-info div {
    text-align: center;
}

.contact-info div > img {
    width: 40px;
    height: 40px;
}

.contact-info div p {
    margin-top: 20px;
    font-size: 16px;
    font-style: normal;
    font-weight: 300;
    line-height: 1.375; /* 160% */
    color: #999;
    text-align: center;
}

.contact-info div span {
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.contact-info div span a {
    font-size: 20px;
    font-style: normal;
    font-weight: 600;
    line-height: 140%;
    color: #FFF;
}

.contact-info div span button {
    width: 25px;
    height: 24px;
    position: relative;
    background: url('../img/contact/icon_copy.png') no-repeat center;
    background-size: contain;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-info button.copied {
    background: url('../img/contact/icon_copy.png') no-repeat center;
    /* background-size: contain;
    transform: scale(1.2); */
}

.contact-info div span button:hover:before {
    content: '';
    position: absolute;
    bottom: -52px;
    left: -80px;
    width: 179px;
    height: 52px;
    background: url('../img/contact/tip02.png') no-repeat center;
    background-size: contain;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.contact-info-bottom {
    position: relative;
    margin-top: 80px;
    display: flex;
    justify-content:space-around;
}

.contact-info-bottom div {
    text-align: center;
}

.contact-info-bottom div > img {
    width: 40px;
    height: 40px;
}

.contact-info-bottom div p {
    margin-top: 20px;
    font-size: 20px;
    font-style: normal;
    font-weight: 300;
    line-height: 140%; /* 51.2px */
    color: #999;
}

.contact-info-bottom div span {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.contact-info-bottom div span a:first-child {
    font-size: 22px;
    font-style: normal;
    font-weight: 600;
    line-height: 140%;
    color: #FFF;
}

.contact-info-bottom div span .copy-btn,
.contact-info-bottom div span .down-btn{
    width: 24px;
    height: 24px;
    position: relative;
    background: url('../img/contact/icon_copy.png') no-repeat center;
    background-size: contain;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}
 
.contact-info-bottom div span .copy-btn:hover:before,
.contact-info-bottom div span .down-btn:hover:before {
    content: '';
    position: absolute;
    bottom: -52px;
    left: -85px;
    width: 179px;
    height: 52px;
    background: url('../img/contact/tip01.png') no-repeat center;
    background-size: contain;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.contact-info-bottom button.copied {
    background: url('../img/contact/icon_copy.png') no-repeat center;
    /* background-size: contain; */
    /* transform: scale(1.2); */
}

/* uxforai */
.section.uxui {
    overflow: hidden;
    padding: 0;
    margin-top: 0;
}

.section.uxui section {
    /* width: 100%;
    height: 100vh;
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); */
}

.section.uxui section .inner{
    max-width: 978px;
    margin: 0 auto;
    text-align: center;
}

.section.uxui section img {
    max-width: 100%;
    height: auto;
}

.section.uxui .uxui-title h1 {
    width: auto;
    height: 251px;
}

.section.uxui .uxui-title h2 {
    margin-top: 20px;
    font-size: 40px;
    font-style: normal;
    font-weight: 400;
    line-height:52px;
    color: #B3B3B3;
}

.section.uxui .uxui-title h2 strong {
    font-weight: inherit;
}

.section.uxui section .txt_title {
    font-size: 48px;
    font-style: normal;
    font-weight: 600;
    line-height: 62px;
    color: #fff;
    text-align: center;
}

.section.uxui section .txt_desc {
    margin-top: 16px;
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
    color: #999;
    text-align: center;
}

.section.uxui section .txt_desc strong {
    font-weight: 600;
    color: #fff;    
}

.section.uxui section .sub-title-bx{
   margin-bottom: 60px; 
}

.section.uxui section .sub-title-bx .sub_txt_title{
    font-size: 32px;
    font-style: normal;
    font-weight: 600;
    line-height: 62px;
    color: #fff;
    text-align: center;
}

/* .section.uxui section .sub-title-bx .sub_txt_title + .txt_desc{
    margin-top: 0;
} */

.section.uxui section * + .cont-bx{
    margin-top: 60px;
}

.uxui-content1 .sub-title-bx{
    margin-top: 100px;
}

.uxui-content1{
    margin-top: 80px;
}

.uxui-content2{
    margin-top: 160px;
}

.uxui-content3{
    /* margin-top: 120px; */
    margin-top: 50px;
}

.uxui-content4{
    margin-top: 100px;
}

.uxui-content5{
    margin-top: 100px;
}

.uxui-content6{
    margin-top: 50px;
}

.uxui-content7{
    margin-top: 100px;
}

.uxui-content7 .cont-bx{
    text-align: left;
}

.section.uxui .uxui-content7 .txt_desc{
    margin-top: 64px;
    text-align: left;
}

.section.uxui .uxui-content7 .txt_desc + .txt_desc{
    margin-top: 48px;
}

.section.uxui section .video-box {
    margin-top: 50px;
    width: 978px;
    height: 400px;
    border-radius: 40px;
    overflow: hidden;
}

.section.uxui section video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uxui-content7 .txt_msg {
    font-size: 28px;
    font-style: normal;
    font-weight: 300;
    line-height: 38px;
    color: #a3a3a3;
    text-align: left;
}

.uxui-content7 .txt_msg strong {
    font-weight: 600;
    color: #fff;    
}

.toast-message-wrp{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    position: fixed;
    top: 100px;
    right: 0;
    z-index: 999;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.4;
}

.toast-message {
    height: 68px;
    background-color: #151515;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 40px;
    gap: 8px;
    color: #fff;
    display: none;
}

.toast-message.show {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    animation: fadeInOut 2.5s ease-in-out;    
    font-size: 20px;
    font-style: normal;
    font-weight: 300;
    line-height: 140%; /* 57.6px */
    color: #fff;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { opacity: 0; }
}


/* mobile */
@media screen and (max-width: 768px) {
    .hamburger-menu {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: #fff;
        padding: 60px 20px;
        transition: right 0.3s ease;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
    }

    .main-nav li {
        margin: 15px 0;
    }
}


.swiper {
    width: 100%;
    height: auto;
    margin-top: 140px;
    position: relative;
}

.swiper-button-prev, .swiper-button-next {
    position: absolute;
    top: 2px !important;
    width: 24px !important;
    height: 24px !important;
    margin-top: 0 !important;
    color: #FFF !important;
    background: url(../img/icon_swiper_arr.svg) no-repeat center / 100% auto;
}

.swiper-button-next:after, .swiper-button-prev:after {
    /* font-family: swiper-icons;
    font-size: 40px !important;
    text-transform: none !important;
    letter-spacing: 0;
    font-variant: initial;
    line-height: 1; */
    display: none;
}

.swiper-button-prev {
    left: 0;
}

.swiper-button-next {
    right: 0;
    transform: scale(-1, 1);
}

.swiper-slide {
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.swiper-work .swiper-slide h3 {
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
    color: #E3E3E3;
    text-align: center;
}

.swiper-work .swiper-slide img {
    margin-top: 40px;
    width: 100%;
    height: auto;
    object-fit: cover;
    opacity: 0.5;
}

/* Top 버튼 스타일 */
.top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;    
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
}

.top-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.top-btn img {
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease;
}

.top-btn:hover img {
    transform: translateY(-2px);
}