/* swiper ¸ÞÀÎ Á¶ÀÛ */
html,
body {
    position: relative;
    height: 100%;
    overflow-x: hidden; 
    overflow-y: hidden; 
    scroll-behavior: smooth;
}

body {
    font-size: 14px;
    color: #fff;
    margin: 0;
    padding: 0;
}



.mySwiper {
    width: 100%;
    height: 100%; 
    position: relative;
    z-index: 1;
}

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
}

#Slide_backgerd_img2 {
    background-color: #e1e8f0;

}





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

#Slide_backgerd_img1 {
    background-image: url(../images/main_01.jpg);
    background-position: center;
    background-size: cover;
}

#Slide_backgerd_img3 {
    background-image: url(../images/main_03.jpg);
}

#Slide_backgerd_img4 {
    background-image: url(../images/main_04.png);
    background-position: center;
}

#swiper-pagination_nv {
    width: 30px;
    background: #374452;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
    height: 110px;
}


.swiper-pagination-bullet-active {
    transform: scale(1.3);
}

#Slide_backgerd_img1 {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 150px;
    box-sizing: border-box;
}

.slide_text1 {
    width: 100%;
}

.slide_text2 {
    width: 100%;
}

.swiper-pagination.swiper-pagination-clickable>.swiper-pagination-bullet-active {
    background: #5c7cfa;
}

.swiper-pagination>.swiper-pagination-bullet {
    background: #737c86;
}
.swiper-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet, .swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 6px 0 !important;
    width: 12px !important;
    height: 12px !important;
}

/* swiper END */


/* Çì´õ */

.da_header_section {
    width: 100%;
    height: 90px;
    position: absolute;
    z-index: 2;
}

.da_header {
    width: 100%;
    height: 100%;
}

.da_header_div {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#he_div_box1 {
    width: 18%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header_img {
    width: 240px;
}

#he_div_box2 {
    width: 82%;
    height: 100%;
}

.he_ul_list {
    position: relative;
    width: 100%;
    height: 100%;
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    margin: 0;
}

.he_ul_list>li {
    width: 18%;

    cursor: pointer;
    text-align: center;
}

.he_ul_list>li>a {
    font-weight: bold;
    color: #fff;
    font-size: 1.5em;
    text-decoration: none;
}

.he_ul_list_sub {
    position: absolute;
    width: 18%;
    list-style: none;
    margin: 30px 0 0 0;
    padding: 0;
    z-index: 1;
    visibility: hidden;
}

.he_ul_list_sub>li {
    width: 100%;
    height: 40px;
    text-align: center;
    margin-top: 10px;
}


.he_ul_list_sub>li:nth-child(1) {
    margin-top: 20px;
}

.he_ul_list_sub>li>a {
    font-weight: bold;
    color: #fff;
    font-size: 1.1em;
    text-decoration: none;
}

#he_div_box3 {
    position: absolute;
    width: 100%;
    background-color: #19293b;
    top: 90px;
    height: 0;
    transition: all 0.2s;
}

/* ¸ð¹ÙÀÏ ¼­ºê ¸Þ´º */

.sub_menu_btn{
    display: none;
    width: 28px;
    height: 21px;
    background: none;
    cursor: pointer;
}
.btn_pop_out {
    position: absolute;
    right: 30px;
    top: 40px;
    cursor: pointer;
}
.btn_pop_out_x {
    display: block;
    width: 30px;
    height: 3px;
    background-color: #fff;
    transform: rotate(45deg);
}
.btn_pop_out_x2 {
    display: block;
    width: 30px;
    height: 3px;
    background-color: #fff;
    transform: rotate(-45deg);
    margin-top: -3px;
}
.sub_mobil_menu{
    position: absolute;
    width: 50%;
    height: 100vh;
    right: 0;
    z-index: 100;
    background: #19293b;
    padding-top: 70px;
    box-sizing: border-box;
    display: none;
}

.he_ul_list2>li{
    margin-bottom: 15px;
}
.he_ul_list_sub2>li{
    margin-bottom: 10px;
}

.he_ul_list2>li>a{
    color: #fff;
    text-decoration: none;
    font-size: 1.5em;
    font-weight: bold;
}

.he_ul_list2{
    list-style: none;
    margin: 0;
    padding: 20px;
}

.he_ul_list_sub2{
    list-style: none;
    height: auto;
    display: none;
}

.list_show{
display: block;
}

.he_ul_list_sub2{
    margin: 15px 0 0 20px;
    padding: 0;
}



.he_ul_list_sub2>li>a{
    color: #fff;
    text-decoration: none;
    font-size: 1em;
    font-weight: bold;
}

.he_ul_list_sub2>li>a:hover{
    color: #3499c3 !important;
    transition: all 0.3s;
}

.he_ul_list_sub>li>a:hover{
    color: #3499c3 !important;
    transition: all 0.3s;
}


/* ½½¶óÀ̵å 1¹ø */
.slide_text1 {
    font-size: 3.5em;
    margin: 0;
}
.slide_Am_text1{
    font-size: 2.8em;
    margin: 20px 0;
}
.slide_Am_text2{
    font-size: 2.5em;
    margin:  0;
}

/* ÅؽºÆ® ¾Ö´Ï¸ÞÀÌ¼Ç */
.slide_text1,
.slide_Am_text1,
.slide_Am_text2,
.slide_text2,
.slide_text_box {
    opacity: 0; 
    animation-name: slideInUpFade; 
    animation-duration: 0.8s; /* ¾Ö´Ï¸ÞÀÌ¼Ç Áö¼Ó ½Ã°£ (Á¶Àý °¡´É) */
    animation-fill-mode: forwards; /* ¾Ö´Ï¸ÞÀÌ¼Ç ¿Ï·á ÈÄ ¸¶Áö¸· »óÅ À¯Áö */
    animation-timing-function: ease-out; /* ºÎµå·¯¿î ½ÃÀÛ°ú ³¡ */
   
}

.slide_text1 {
    animation-delay: 0.2s; 
}

.slide_Am_text1 {
    animation-delay: 0.9s;
}

.slide_Am_text2 {
    animation-delay: 1.4s; 
}
.slide_text2,
.slide_text_box{
    animation-delay: 1.8s
}

@keyframes slideInUpFade {
    from {
        opacity: 0;
        transform: translateY(20px); 
    }
    to {
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* ¾Ö´Ï¸ÞÀÌ¼Ç END */
.slide_text2 {
    font-size: 1.6em;
    color: #b7a061;
    font-weight: bold;
    margin-bottom: 50px;
}

.slide_text_box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.slide_text3 {
    font-size: 1em;
    color: #77828d;
    font-weight: bold;
    margin: 0 0 10px 0;
}

.slide_text_box .slide_down_img {
    width: 25px;
    height: auto;
    position: relative;
    animation: float 2s ease-in-out infinite alternate;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(10px);
    }

    100% {
        transform: translateY(0);
    }
}


/* ½½¶óÀ̵å2¹ø */
#Slide_backgerd_img2{
    display: flex;
    flex-direction: column;
    justify-content: center;

}

.Slide2_div{
    height: 120px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
}

.Slide2_slideBox{
    height: 520px;
    width: 100%;
}

.Slide2_p{
    font-size: 0.9em;
    color: #000;
    margin: 0;
}

.Slide2_p2{
    font-size: 1.6em;
    color: #af903e;
    margin: 10px 0;
}

.swiper-wrapper .imgSlidedisplay .year_img{
    height: auto;
}

.swiper-wrapper .imgSlidedisplay .slideyear_img{
    height: 440px;
}

.Slide2_slideBox .mySwiperCustomEffect .swiper-wrapper{
    height: 520px;
}

.mySwiperCustomEffect .swiper-wrapper .imgSlidedisplay{
    flex-direction: column;
    justify-content: space-between;
}

.imgSlidedisplay::after{
    content: "";
    width: 15px;
    height: 45px;
    background-image: url(../images/year_bar.png);
    position: absolute;
    top: 0;
    right: -25px;
}

.mySwiperCustomEffect {
    width: 100%; 
    height: 520px; 
    overflow: hidden;
  }

  .mySwiperCustomEffect .swiper-wrapper .swiper-slide{
    margin-right: 25px !important;
  }
  
  /* °¢ ½½¶óÀ̵åÀÇ ±âº» ½ºÅ¸ÀÏ */
  .mySwiperCustomEffect .swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    opacity: 0.5; 
    transition: opacity 0.3s ease-in-out; 
    /* overflow: hidden;  */
    height: 520px;
  }
  
  /* ½½¶óÀÌµå ³» À̹ÌÁö ½ºÅ¸ÀÏ */
  .mySwiperCustomEffect .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
  }
  
  /* È°¼ºÈ­µÈ (°¡¿îµ¥) ½½¶óÀ̵å */
  .mySwiperCustomEffect .swiper-slide-active {
    opacity: 1; /* ¿ÏÀüÈ÷ ¼±¸íÇÏ°Ô */
  }
  
  .mySwiperCustomEffect .swiper-slide-next,
  .mySwiperCustomEffect .swiper-slide-prev {
    opacity: 0.4;
  }
  
  .swiper_btn_box{
    height: 50px;
    margin-top: 40px;
    display: flex;
    justify-content: center;
  }
  .swiper-button-next, .swiper-button-prev {
    position: relative !important;
}
 .swiper-button-prev{
    left: -10px !important;
    width: 40px !important;
 }
 .swiper-button-next{
    width: 40px !important;
    right: -10px !important;
}
 .swiper-rtl .swiper-button-next{
   
 }
  .swiper-button-next:after, .swiper-rtl .swiper-button-prev:after,.swiper-button-prev:after, .swiper-rtl .swiper-button-next:after {
    content: none !important;
}

.imgdisplay_a{
        display: flex ;
        flex-direction: column;
        justify-content: space-between;
        height: 100%; 
}


/* ½½¶óÀ̵å3¹ø */

#Slide_backgerd_img3 {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
}

.Slide3_text {
    position: absolute;
    top: 150px;
    left: 43%;
    font-size: 1.65em;
    color: #b7a061;
    font-weight: bold;
}

.gallery {
    width: 85%;
    height: 410px;

    display: flex;
    justify-content: space-around;
}

.gallery_list {
    width: 25%;
}

.gallery_list>h3 {
    text-align: left;
    padding-left: 40px;
    margin-top: 30px;
    box-sizing: border-box;
    font-size: 1.6em;
}

.gallery_list:nth-child(1) {
    background-image: url(../images/slide3_img1.png);
    background-position: center;
    background-size: cover;
}
.gallery_list:nth-child(2) {
    background-image: url(../images/slide3_img2.png);
    background-position: center;
    background-size: cover;
}

.gallery_list:nth-child(3) {
    background-image: url(../images/slide3_img3.png);
    background-position: center;
    background-size: cover;
}

.gallery_list:nth-child(4) {
    background-image: url(../images/slide3_img4.png);
    background-position: center;
    background-size: cover;
}


/* ½½¶óÀ̵å 4¹ø¤Š */

#Slide_backgerd_img4{
    display:flex;
}
.Slide4_biv{
    width: 50%;
    height: 100%;
}

.Slide4_biv>img{
    width: 100px;
    height: auto;
   
}

.Slide4_biv:nth-child(1){
    box-sizing: border-box;
    padding: 260px 100px 260px 100px ;
}



.Slide4_biv:nth-child(2){
    background-color: #5c7cfa;
}

.Slide4_biv>h2{
    color: #000;
    text-align: left;
    font-size: 3.8em;
    margin: 20px 0;
}

.Slide4_biv>p{
    color: #000;
    text-align: left;
    margin: 0 0 60px 0;
    font-size: 1.1em;
    font-weight: 500;
    
}

.youtube_link_box{
    width: 270px;
    height: 70px;
    background: #d94a38;
    display: flex;
    justify-content: center;
    align-items: center;
}

.youtube_link{
    display: flex;
    justify-content: flex-start;
    align-items: center;
    color: #fff;
    text-decoration: none;
}

.youtube_link>p{
    font-size: 1.1em;
    margin: 10px 0;
}

.youtube_link>.youtube_icon{
    width: 40px;
    margin-right: 15px;
}

.Slide4_if_ta{
    position: relative;
}

.youtube_iframe_box{
    width: 900px;
    height: 520px;
    position: absolute;
    top: 250px;
    left: -150px;
    box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
    background: aquamarine;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 70px;
}

/* ǪÅÍ */

#my-footer{
    width: 100%;
    height: 200px;
    background:#19293b ;
    position: relative;
    z-index: 0;
    padding: 30px 140px;
    display: none;
    box-sizing: border-box;
}

.fot_div{
    display: flex;
    justify-content: space-between;
}
.fot_div_list:nth-child(1){
    width: 20%;
}
.fot_div_list:nth-child(2){
    width: 78%;
}
.fot_div_list>p{
    color: #babfc5;
    font-size: 1.1em;
}
.fot_div_p{
    margin: 0;
    font-size: 1.1em;
    color: #babfc5;
}

.fot_ul{
    padding: 0;
    margin: 10px 0 30px 0;
    list-style: none;
    display: flex;
    justify-content: flex-start;
}

.fot_ul>li{
    margin: 0 30px 0 0;
    font-size: 1.1em;
    color: #babfc5;
    
}

.hide{
    display: block !important;
}