/* navi-nner*/
@media (max-width: 1280px) {
    .nav-inner{
        width: 980px;
    }
    
    .mb-btn-close {
        padding: 22px;
    }
    
    .nav-inner .menu-top{
        margin-left: 150px;
    }
    
    .nav-inner .menu-top .nav-logo a img{
        width: 395px;
    }
    
    .nav-inner .menu-bottom{
        margin-left: 80px;
    }
    
    .nav-inner .menu-bottom .depth2-wrap {
        padding: 20px 20px;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container {
        gap: 40px; 
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container:nth-child(3){
        gap: 30px;
    }
}
@media (max-width: 980px) {
    .nav-inner{
        width: 850px;
    }
    
    .mb-btn-close {
        padding: 20px;
        font-size: 20px;
    }
    
    .nav-inner .menu-top{
        margin-left: 110px;
    }
    
    .nav-inner .menu-top .nav-logo a img{
        width: 350px;
    }
    
    .nav-inner .menu-bottom{
        margin-left: 40px;
    }
    
    .nav-inner .menu-bottom .depth1-list .depth1-item {
        font-size: 16px;
        line-height: 55px;
    }
    
    .nav-inner .menu-bottom .depth2-wrap {
        padding: 20px 20px;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container {
        gap: 60px; 
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container:nth-child(3){
        gap: 35px;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container .depth2 .sub-title {
        font-size: 12px;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container .depth2 li {
        font-size: 11px;
        line-height: 30px;
    }
}
@media (max-width: 680px) {
    .nav-bg {
        display: none;
    }
    
    .nav-inner{
        width: 100%;
        height: 925px;
        left: 50%;
        transform: translateX(-50%);
        overflow-y: auto;
    }
    
    .nav-inner.active {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .mb-btn-close {
        padding: 3.125vw;
        font-size: 18px;
    }
    
    .nav-inner .menu-top{
        justify-content: center;
        margin-left: 0;
        margin-top: 8vw;
    }
    
    .nav-inner .menu-top .nav-logo a img{
        width: 50vw;
        max-width: 350px;
    }
    
    .nav-inner .menu-bottom{
        margin-left: 0;
        margin-top: -1vw;
    }
    
    .nav-inner .menu-bottom .depth1-list {
        padding: 5vw 8vw;
    }
    
    .nav-inner .menu-bottom .depth1-list::before{
        top: 40px; 
        height: 80%; 
    }
    
    .nav-inner .menu-bottom .depth1-list .depth1-item {
        font-size: 16px;
        line-height: 7.5vw;
    }
    
    .nav-inner .menu-bottom .depth2-wrap {
        padding: 2vw 3vw;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container:nth-child(3).active {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1vw 2vw; 
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container {
        gap: 5vw;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container .depth2 .sub-title {
        font-size: 13px;
        margin-top: 5vw; 
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container .depth2 li {
        font-size: 11px;
        line-height: 4vw;
    }
}
@media (max-width: 480px) {
    .mb-btn-close {
        padding: 2.5vw;
        font-size: 14px;
    }
    
    .nav-inner .menu-top{
        margin-top: 10vw;
    }
    
    .nav-inner .menu-top .nav-logo a img{
        width: 55vw;
        max-width: 280px;
    }
    
    .nav-inner .menu-bottom .depth1-list {
        padding: 6vw 10vw;
    }
    
    .nav-inner .menu-bottom .depth1-list::before{
        top: 10px; 
        height: 80%; 
    }
    
    .nav-inner .menu-bottom .depth1-list .depth1-item {
        font-size: 14px;
        line-height: 9vw;
    }
    
    .nav-inner .menu-bottom .depth2-wrap {
        padding: 2vw 2vw;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container:nth-child(3).active {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1vw 2.5vw; 
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container {
        gap: 6vw;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container .depth2 .sub-title {
        font-size: 11px;
        margin-top: 4vw;
    }
    
    .nav-inner .menu-bottom .depth2-wrap .depth2-container .depth2 li {
        font-size: 10px;
        line-height: 5vw;
    }
}


@media (max-width: 1280px) {
    /* ========== HEADER ========== */
    .header .container {
    height: 80px;   
    }
    /* 로고 크기 */
    .header .logo a img {  
    width: 200px;
    }
    .header .nav-btn {
    width: 26px;
    height: 26px;
    }
    .header .nav-btn span{
    width: 100%;
    height: 2px;
    }
    .header .nav-btn span:nth-child(1){
    top: 2px;
    }
    .header .nav-btn span:nth-child(2){
    top:10px;
    }
    .header .nav-btn span:nth-child(3){
    top: 18px;
    }
    /* 아이콘 */
    .header .icon{
    gap: 15px;
    }
    .header .icon li a img{
    width: 28px;
    height: 28px;
    }
    /* ========== MAIN VISUAL ========== */
    .visual {
        height: 600px;
    }

    /* ========== KEY-NOTE ========== */
    .key-note {
        height: 900px;
    }
    .key-note .container {
        gap: 80px;
    }
    .key-note .ader .img-wrap {
        width: 270px;
        height: 300px;
    }
    .key-note .ader .logo-right {
        margin-top: 80px;
    }
    .key-note .desc {
        width: 35%;
    }
    .key-note .desc h2 {
        font-size: 38px;
    }
    .key-note .desc h1 {
        font-size: 70px;
    }
    .key-note .desc p {
        font-size: 14px;
        line-height: 22px;
    }

    /* ========== ANIMATION ========== */
    .animation .box {
        height: 550px;
        padding: 150px 0;
    }
    .animation .cube {
        width: 250px;
        height: 250px;
    }

    /* ========== ITEM SLIDE ========== */
    .item-slide {
        height: 750px;
    }
    .item-slide .container {
        margin: 120px 0;
    }
    .item-slide .item-title h3 {
        font-size: 24px;
    }
    .item-slide .item-title h2 {
        font-size: 35px;
    }
    .item-slide .item-slide-img {
        margin-top: 100px;
    }
    .item-slide .item-slide-img .overlay p {
        font-size: 26px;
    }
    .item-next {
        right: 50px;
    }
    .item-prev {
        right: calc(35px + 50px + 15px);
    }

    /* ========== VIDEO ========== */
    .video .youtube-area {
        height: 600px;
    }
    .video .youtube-area .video-desc {
        padding: 180px 50px;
    }
    .video .youtube-area .video-desc h1 {
        font-size: 28px;
    }
    .video .youtube-area .video-desc p {
        font-size: 15px;
    }

    /* ========== BLUE MARK ========== */
    .blue-mark {
        height: 900px;
    }
    .blue-mark .container {
        gap: 80px;
    }
    .blue-mark .image-wrap {
        height: 650px;
    }
    .blue-mark .text-box {
        min-width: 450px;
    }
    .blue-mark .text-box h2 {
        font-size: 28px;
    }
    .blue-mark .text-box p {
        font-size: 14px;
        line-height: 24px;
    }

    /* ========== FOOTER ========== */
    .footer {
        padding: 80px 0 60px;
    }
    .footer .copy {
        font-size: 13px;
        margin: 40px 20px 50px;
    }
    .footer .drop-down {
        gap: 35px;
    }
    .footer .footer-about ul {
        gap: 35px;
    }
    .footer .footer-about ul li a {
        font-size: 15px;
    }
}
@media (max-width: 980px) {
    /* ========== HEADER ========== */
    .header .container {
        height: 60px;   
    }
    /* 로고 크기 */
    .header .logo a img {   
        width: 150px;
    }
    .header .nav-btn {
    width: 25px;
    height: 20px;
    }
    .header .nav-btn span{
    width: 90%;
    height: 2px;
    }
    .header .nav-btn span:nth-child(1){
    top: 1px;
    }
    .header .nav-btn span:nth-child(2){
        top:8px;
    }
    .header .nav-btn span:nth-child(3){
        top: 15px;
    }
    /* 아이콘 */
    .header .icon{
    gap: 10px;
    }
    .header .icon li a img{
        width: 25px;
        height: 25px;
    }
    /* ========== MAIN VISUAL ========== */
    .visual {
        height: 500px;
    }

    /* ========== KEY-NOTE ========== */
    .key-note {
        height: 750px;
    }
    .key-note .container {
        gap: 60px;
    }
    .key-note .ader .img-wrap {
        width: 200px;
        height: 200px;
        margin-right: 2px;
        margin-bottom: 2px;
    }
    .key-note .ader .logo-right {
        margin-top: 70px;
    }
    .key-note .desc {
        width: 38%;
    }
    .key-note .desc h2 {
        font-size: 32px;
    }
    .key-note .desc h1 {
        font-size: 58px;
    }
    .key-note .desc p {
        font-size: 12px;
        line-height: 20px;
    }

    /* ========== ANIMATION ========== */
    .animation .box {
        height: 450px;
        padding: 120px 0;
    }
    .animation .cube {
        width: 200px;
        height: 200px;
    }

    /* ========== ITEM SLIDE ========== */
    .item-slide {
        height: auto;
        min-height: 500px;
        padding: 100px 0;
    }
    .item-slide .container {
        margin: 0;
        padding: 0 20px;
    }
    .item-slide .item-title h3 {
        font-size: 20px;
    }
    .item-slide .item-title h2 {
        font-size: 30px;
    }
    .item-slide .sw-item {
        width: 100%;
        padding: 0 10px; 
    }
    .item-slide .item-slide-img {
        margin-top: 80px;
        width: 95%;
        margin-left: auto;
        margin-right: auto;
    }
    .item-slide .item-slide-img .overlay p {
        font-size: 24px;
    }
    .item-prev,
    .item-next {
        font-size: 15px;
    }
    .item-next {
        right: 30px;
    }
    .item-prev {
        right: calc(20px + 45px + 10px);
    }

    /* ========== VIDEO ========== */
    .video .youtube-area {
        height: 500px;
    }
    .video .youtube-area .video-desc {
        padding: 140px 40px;
    }
    .video .youtube-area .video-desc h1 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    .video .youtube-area .video-desc p {
        font-size: 13px;
        margin-bottom: 30px;
    }

    /* ========== BLUE MARK ========== */
    .blue-mark {
        height: 750px;
    }
    .blue-mark .container {
        gap: 65px;
    }
    .blue-mark .image-wrap {
        height: 550px;
    }
    .blue-mark .text-box {
        min-width: 380px;
    }
    .blue-mark .text-box h2 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    .blue-mark .text-box p {
        font-size: 13px;
        line-height: 22px;
        margin-bottom: 30px;
    }

    /* ========== FOOTER ========== */
    .footer {
        padding: 70px 0 50px;
    }
    .footer .copy {
        font-size: 12px;
        margin: 35px 20px 45px;
    }
    .footer .drop-down {
        gap: 30px;
    }
    .footer .footer-about ul {
        gap: 30px;
    }
    .footer .footer-about ul li a {
        font-size: 14px;
    }
    .footer .footer-info {
        margin: 50px auto 0;
        padding-top: 25px;
    }
    .footer .footer-info p {
        font-size: 11px;
    }
}
@media (max-width: 680px) {
    /* ========== HEADER ========== */
    .header .container {
        height: 50px;   
    }
    /* 로고 크기 */
    .header .logo a img {
    width: 125px;   
    }
    .header .nav-btn {
    width: 20px;
    height: 15px;
    }
    .header .nav-btn span{
    width: 80%;
    height: 2px;
    }
    .header .nav-btn span:nth-child(1){
        top: 1px;
    }
    .header .nav-btn span:nth-child(2){
        top:6px;
    }
    .header .nav-btn span:nth-child(3){
        top: 12px;
    }
    /* 아이콘 */
    .header .icon{
    gap: 7px;
    }
    .header .icon li a img{
        width: 18px;
        height: 18px;
    }

    /* ========== MAIN VISUAL ========== */
    .visual {
        height: auto;
        min-height: 500px;
    }
    .visual .container {
        display: flex;
        flex-direction: column;
        padding: 0;
    }
    .visual .visual-desktop img{
    width: 100%;
    height: 100%;
    }
    .visual .visual-desktop {
        display: none;
    }
    .visual .visual-mb {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 20px;
    }
    .visual .visual-mb img {
        width: 100%;
        height: auto;
        object-fit: contain;
    }
    /* ========== KEY-NOTE ========== */
    .key-note {
        height: 600px;
        padding-top: 150px;
    }
    .key-note .container {
        display: flex;
        flex-direction: column;
        position: static;
        transform: none;
        gap: 40px;
    }
    .key-note .ader {
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        width: 100%;
        gap: 10px;
    }
    .key-note .ader .logo-left,
    .key-note .ader .logo-right {
        display: flex;
        flex-direction: row;
        gap: 10px;
        margin-top: 0;
    }
    .key-note .ader .logo-left li,
    .key-note .ader .logo-right li {
        flex: 0 0 auto;
    }
    .key-note .ader .img-wrap {
        width: 135px;
        height: 135px;
        margin: 0;
    }
    .key-note .desc {
        width: 100%;
        text-align: center;
        padding: 0 20px;
    }
    .key-note .desc h2 {
        font-size: 28px;
    }
    .key-note .desc h1 {
        font-size: 48px;
    }
    .key-note .desc p {
        font-size: 11px;
        line-height: 18px;
    }

    /* ========== ANIMATION ========== */
    .animation {
        display: none;
    }
    /* ========== ITEM SLIDE ========== */
    .item-slide {
        height:600px;
        padding-top: 150px ;
    }
    .item-slide .container {
        margin: 0;
        padding: 0 10px; 
    }
    .item-slide .item-title h3 {
        font-size: 16px;
    }
    .item-slide .item-title h2 {
        font-size: 24px;
    }
    .item-slide .sw-item {
        width: 100%;
        padding: 0 10px; 
    }
    
    .item-slide .item-slide-img {
        margin-top: 80px;
        width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    .item-slide .item-slide-img .overlay p {
        font-size: 20px;
    }
    
    .item-prev,
    .item-next {
        font-size: 14px;
    }
    .item-next {
        right: 40px;
    }
    .item-prev {
        right: calc(30px + 40px + 10px);
    }
    .item-prev::after {
        height: 8px;
        margin-left: 12px;
    }

    .video {
        height: 900px;
    }
    .video .youtube-area {
        position: static;
        transform: none;
        width: 100%;
        height: auto;
        flex-direction: column;
        max-width: 100%;
    }
    .video .youtube-area::before {
        display: none;
    }
    .video .youtube-area #player {
        position: relative;
        width: 100%;
        height: 400px;
    }
    .video .youtube-area .video-desc {
        width: 100%;
        padding: 60px 30px;
        text-align: center;
    }
    .video .youtube-area .video-desc h1 {
        font-size: 20px;
        margin-bottom: 15px;
    }
    .video .youtube-area .video-desc p {
        font-size: 12px;
        margin-bottom: 25px;
        line-height: 1.6;
    }
    .video .youtube-area .video-desc .moreBtn {
        width: 140px;
        height: 36px;
    }
    .video .youtube-area .video-desc .moreBtn span {
        line-height: 36px;
        font-size: 10px;
    }
    .blue-mark {
        height: 980px;
        padding-top: 120px;
        display: block;
        overflow: visible;
    }
    .blue-mark .container {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 60px 25px;
    }
    .blue-mark .video-area {
        width: 100%;
        height: 400px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 0;
    }
    .blue-mark .video-area video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .blue-mark .image-wrap {
        display: none;
    }
    .blue-mark .video-area {
        width: 100%;
        height: 400px;
        background-color: #000;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 0;
    }
    .blue-mark .text-box {
        min-width: 100%;
        width: 100%;
        text-align: center;
        padding: 60px 30px;
        margin-bottom: 0;
        display: block;
    }
    .blue-mark .text-box h2 {
        font-size: 22px;
        margin-bottom: 15px;
    }
    .blue-mark .text-box p {
        font-size: 12px;
        line-height: 20px;
        margin-bottom: 25px;
    }
    .blue-mark .text-box .moreBtn {
        width: 140px;
        height: 36px;
    }
    .blue-mark .text-box .moreBtn span {
        line-height: 36px;
        font-size: 11px;
    }

    /* ========== FOOTER ========== */
    .footer {
        padding: 60px 0 40px;
    }
    .footer .copy {
        font-size: 11px;
        margin: 30px 15px 40px;
    }
    .footer .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    .footer .drop-down {
        gap: 25px;
        margin-left: 15px;
    }
    .footer .drop-title {
        font-size: 13px;
    }
    .footer .drop-title .sub-menu {
        width: 120px;
    }
    .footer .drop-title .sub-menu li {
        font-size: 11px;
        padding: 6px 12px;
    }
    .footer .footer-about {
        margin-left: 15px;
    }
    .footer .footer-about ul {
        gap: 25px;
    }
    .footer .footer-about ul li a {
        font-size: 13px;
    }
    .footer .footer-info {
        margin: 40px auto 0;
        padding-top: 20px;
    }
    .footer .footer-info p {
        font-size: 10px;
        padding: 0 15px;
    }
}
@media (max-width: 480px) {
    /* ========== HEADER ========== */
    .header .container {
        width: 100%;
        height: 40px;
    }
    .header .logo a img {
        width: 85px;
    }
    .header .nav-btn {
    width: 15px;
    height: 15px;
    }
    .header .nav-btn span{
    width: 80%;
    height: 1px;
    }
    .header .nav-btn span:nth-child(1){
    top: 1px;
    }
    .header .nav-btn span:nth-child(2){
        top:5px;
    }
    .header .nav-btn span:nth-child(3){
        top: 9px;
    }

    .header .icon{
    gap: 5px;
    }
    .header .icon li a img{
        width: 12px;
        height: 12px;
    }
    /* ========== MAIN VISUAL ========== */
    .visual {
        height: 80vh;
    }
    .visual .visual-mb {
        padding: 15px;
    }

    /* ========== KEY-NOTE ========== */
    .key-note {
        height: 650px;
        padding-top: 150px;
    }
    .key-note .container {
        gap: 30px;
    }
    .key-note .ader {
        gap: 8px;
    }
    .key-note .ader .logo-left,
    .key-note .ader .logo-right {
        gap: 8px;
    }
    /* 이미지 더 작게 */
    .key-note .ader .img-wrap {
        width: 90px;
        height: 90px;
        margin: 0;
    }
    .key-note .desc {
        padding: 0 15px;
    }
    .key-note .desc h2 {
        font-size: 20px;
    }
    .key-note .desc h1 {
        font-size: 36px;
    }
    .key-note .desc p {
        font-size: 10px;
        line-height: 16px;
    }

    /* ========== ITEM SLIDE ========== */
    .item-slide {
        height: 650px;
        padding: 40px 0;
    }
    .item-slide .item-title h3 {
        font-size: 14px;
    }
    .item-slide .item-title h2 {
        font-size: 20px;
    }
    .item-slide .item-slide-img {
        margin-top: 80px;
        width: 95%;
    }
    .item-slide .item-slide-img .overlay p {
        font-size: 16px;
    }
    .item-prev,
    .item-next {
        font-size: 12px;
    }
    .item-next {
        right: 20px;
    }
    .item-prev {
        right: calc(10px + 35px + 8px);
    }
    .item-prev::after {
        height: 8px;
        margin-left: 10px;
    }

    /* ========== VIDEO ========== */
    .video {
        height: 650px;
        position: relative;
        overflow: hidden;
    }
    .video .youtube-area #player {
        height: 300px;
    }
    .video .youtube-area .video-desc {
        padding: 40px 20px;
    }
    .video .youtube-area .video-desc h1 {
        font-size: 18px;
        margin-bottom: 12px;
    }
    .video .youtube-area .video-desc p {
        font-size: 11px;
        margin-bottom: 20px;
    }
    .video .youtube-area .video-desc .moreBtn {
        width: 130px;
        height: 34px;
    }
    .video .youtube-area .video-desc .moreBtn span {
        line-height: 34px;
        font-size: 10px;
    }

    /* ========== BLUE MARK ========== */
    .blue-mark {
        height:750px;
    }
    .blue-mark .video-area {
        height: 300px;
    }
    .blue-mark .video-area video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .blue-mark .text-box {
        padding: 40px 20px;
    }
    .blue-mark .text-box h2 {
        font-size: 20px;
        margin-bottom: 12px;
    }
    .blue-mark .text-box p {
        font-size: 11px;
        line-height: 18px;
        margin-bottom: 20px;
    }
    .blue-mark .text-box .moreBtn {
        width: 130px;
        height: 34px;
    }
    .blue-mark .text-box .moreBtn span {
        line-height: 34px;
        font-size: 10px;
    }

    /* ========== FOOTER ========== */
    .footer {
        padding: 60px 0 30px;
    }
    .footer .copy {
        font-size: 10px;
        margin: 25px 10px 35px;
    }
    .footer .footer-content {
        gap: 25px;
    }
    .footer .drop-down {
        gap: 20px;
        margin-left: 10px;
    }
    .footer .drop-title {
        font-size: 12px;
    }
    .footer .drop-title .sub-menu {
        width: 110px;
        top: 30px;
    }
    .footer .drop-title .sub-menu li {
        font-size: 10px;
        padding: 5px 10px;
    }
    .footer .sns .sub-menu li a {
        padding-left: 24px;
        background-size: 14px 14px;
        background-position: 4px center;
    }
    .footer .footer-about {
        margin-left: 10px;
    }
    .footer .footer-about ul {
        gap: 20px;
        flex-wrap: wrap;
    }
    .footer .footer-about ul li a {
        font-size: 12px;
    }
    .footer .footer-info {
        margin: 35px auto 0;
        padding-top: 18px;
    }
    .footer .footer-info p {
        font-size: 9px;
        padding: 0 10px;
    }
}




@media (max-width: 1280px) {}
@media (max-width: 980px) {}
@media (max-width: 680px) {}
@media (max-width: 480px) {}