* {margin: 0;    padding: 0;   box-sizing: border-box;}
ol, ul {list-style: none;}
a {text-decoration: none;    color: inherit;    cursor: url('../image/mousepointer.png') 16 16, auto;}
/* :hover{cursor: url('../image/mousepointer.png') 16 16, auto;} */
body, html{scrollbar-width: none;  margin: 0;   padding: 0; overflow: auto;    cursor: url('../image/mouse.png') 16 16, auto;   font-family: "Pretendard", sans-serif;}

/* -셋팅 코드- */

body {
    position: fixed;
    width: 100%;
    height: 100vh;
    background: #fff;
}

header{
    background: #000;
    width: 100%;
    height: 70px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
}

header main{
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 20px;
    justify-content: space-between;
}

header main .headerTitle{
    display: flex;
    align-items: center;
}

header main .headerTitle img{height: 25px;}

header main .menu_btn{display: none;}

header main .headerMenu{
    display: flex;
    justify-content: center;
    position: absolute;
    left: 50%;
    transform: translate(-50%);
    list-style: none;
}

header main .headerMenu li{
    color: #808080;
    font-weight: 400;
    font-size: 18px;

    margin-left: 70px;
}

header main .headerMenu li:first-child{
    margin-left: 0;
}

header main .gsdd{
    margin-left: auto;
    display: flex;
    align-items: center;
}

header main .gsdd img{
    height: 22px;
}


/* 현재 페이지 강조(후행 선언 유지) */
header main .headerMenu .category1{
  color: #fff;
}


/* 이 구간에선 햄버거 버튼 숨김 */
.menu-toggle{ display:none; }

.click{
    position: fixed;
    bottom: 50px;
    right: 40px;
}

.click a{
    display: inline-block;
}

.click a img{
    width: 150px;
    height: auto;
}

/* -header- */


.about{
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    width: 100%;
    padding-top: 100px;
    margin: 0 auto;
}

.about .i{
    margin: 80px 0;
}

.about div>img{
    margin-bottom: 80px;
}

.about .title .sticker img{
    height: 50px;
    margin-top: 80px;
    margin-bottom: 50px;
}

.about div p{
    text-align: center;
    line-height: 1.8;
    font-size: 15px;
    font-weight: 500;
    margin: 0 50px;
}

.about .title{margin-top: 30px;}

.about .title_1{margin-bottom: 80px;}

.about .title_1 img{width: 400px;}
.about .maincaption img{width: 800px;}
.about .acs img{width: 500px;}

.about .eachcaption .btn{
    width: 200px;
    height: 120px;
    /* border-radius: 120px; */
    background: #000;
    color: #f6f6f6;
    
    margin: 0 auto;

    display: flex;
    justify-content: center;
    align-items: center;

    font-size: 18px;
}

.about .eachcaption .btn:hover{
    background: #808080;
    /* cursor: url('../image/mousepointer.png') 16 16, auto; */
}

.about .eachcaption p{
    margin-top: 90px;
}

.about .sticker img{
    height: 50px;
    margin: 80px 0;
}

.about .teaser{
    width: 1200px;
    height: 800px;
    margin: 0 auto;
    position: relative;
    cursor: url('../image/mousepointer.png') 16 16, auto;
}

.about .teaser a{
    /* margin: auto; */
}

.about .teaser a img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 100px;
    display: flex;
    z-index: 100;
}

.about .teaser a .image>img{
    width: 100%;
    height: 100%;
    display: flex;
    z-index: 90;
}

.about .poster{
    display: flex;
    align-items: center;
    justify-content: center;

    margin-top: 100px;
}

.about .poster img{
    height: 800px;
}

.about .poster ul{
    margin-left: 200px;
    margin-bottom: 70px;
    height: 800px;
    top: 0;
}

.about .poster ul li{
  text-align: left;
  font-size: 15px;
  line-height: 1.6;

  margin-bottom: 20px;
}

.about .poster ul li img{
    height: 70px;
}


.about .title .line img{
    width: 100%;
    margin-bottom: 0;
}

.about .line img{
    width: 100%;
    margin-bottom: 0;
}

footer{
    width: 100%;
    height: 70px;
    background: #808080;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 0 40px;
}

footer p{
    color: #fff;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.5;
}

footer .logo{}

footer .logo .footertitle{
    margin-right: 15px;
}

footer .logo img{height: 40px;}


/* -반응형--------------------- */

/*  햄버거 드롭다운 */

.menu-toggle {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 40px; /* 높이 조금 여유 */
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 0;
  z-index: 110;
  overflow: visible; /* 혹시 모를 클리핑 방지 */
  display: none;
}
.menu-toggle .bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px; /* 가독성↑ */
  margin: 0;
  background: #f6f6f6;
  top: 50%;
  transform: translateY(-50%); /* 기본은 중앙선 */
  transition: transform 0.18s ease, top 0.18s ease, opacity 0.12s ease;
}

/* 세 줄의 정렬 위치(비활성) — 위/중앙/아래 */
.menu-toggle .bar:nth-child(1) {
  top: 10px;
}
.menu-toggle .bar:nth-child(2) {
  top: 50%;
}
.menu-toggle .bar:nth-child(3) {
  top: calc(100% - 10px);
}

/* 활성(X) — 세 줄 모두 중앙으로 모은 뒤 회전 */
.menu-toggle.active .bar:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}
.menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active .bar:nth-child(3) {
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

.responsive_1000{display: none;}
.responsive_500{display: none;}
.responsive_360{display: none;}

header main .menu_btn{
    display: none;
}

.line_500{display: none;}

@media (max-width: 1400px){.about .teaser{width: 1100px; height: 733px;}}
@media (max-width: 1300px){.about .teaser{width: 1000px; height: 667px;} .about .poster ul{margin-left: 100px;}}
@media (max-width: 1200px){.about .teaser{width: 900px; height: 600px;} .about .poster ul{margin-left: 50px;}}
@media (max-width: 1100px){.about .teaser{width: 800px; height: 533px;} .about .poster img{height: 600px;} .about .poster ul{height: 600px;}}

@media (max-width: 1000px) and (min-width: 801px){
    header{height: 60px;}
    header main .headerMenu {display:flex !important;}
    header main .headerTitle img{height: 20px;}
    header main .headerMenu li{font-size: 15px; margin-left: 40px;}
    header main .gsdd img{height: 17px;}
    header main .mainheader.floating {height: 130px;    padding-bottom: 30px;}
    .about .poster ul li{font-size: 14px;}
    .about .poster ul li img{height: 60px;}
    .about .maincaption img{width: 700px;}
}

@media (max-width: 900px){
    .about .teaser{width: 700px; height: 467px;}
    .about .poster img{height: 500px;}
    .about .poster ul{margin-left: 40px; height: 500px;}
    .about .poster ul li{font-size: 13px; line-height: 1.5; margin-bottom: 15px;}
    .about .poster ul li img{height: 50px;}
}

@media (max-width: 800px){
  /*드롭다운 관련 내용들*/

    header{height: 60px;}

    header main .headerMenu.is-open {display: block;}

    .edge-nav {display: none;}

    header main{position: relative;}
    
    header main .headerTitle img{height: 20px;}

  /* 기본: 숨김 (햄버거 클릭 시 JS로 열림) */
    header main .headerMenu{
        top: 60px; /* header 높이에 맞게 조정 */
        transform: translateX(0%);
        left: 0%;
        right: 0;
        width: 100%; /* 원하는 폭으로 조절 */
        max-height: auto;
        background: #000;
        flex-direction: column; /* 가로 → 세로 */
        gap: 0;
        z-index: 105;
        text-align: right;
    }

    header main .headerMenu li{display: block; font-size: 15px; margin-left: 40px;}

    header main .headerMenu li:first-child{border-top: none;}

    header main .headerMenu a{
        display: block;
        padding: 10px 16px;
        color: #fff;
    }

    header main .headerMenu a:hover {
        background: #000;
        color: #fff;
    }

  /* 데스크톱 가로 메뉴 숨기기 + 햄버거 표시 + gsdd 숨김 */

    header main .menu-toggle{display: block;}

    header main .gsdd{display: none;}

    header main .mainheader {top: 90px; margin-bottom: 130px;}
    
    header main .mainheader ul {width: 200px;   font-size: 15px;}

    header main .headerTitle img {height: 20px;}

    .about .i{margin: 50px 0;}

    .about .sticker img{margin: 50px 0;}
    
    .about .maincaption img{width: 600px;}

    .about .teaser{width: 600px; height: 400px; margin: 0 auto;}
}

@media (max-width: 700px){

    .about .maincaption img{width: 500px;}

    .about .teaser{width: 500px; height: 333px;}

    .about .teaser a img{height: 80px;}
    
    .about .poster{
        flex-direction: column;
        margin-top: 40px;
    }

    .about .poster img{
        height: 650px;
    }

    .about .poster>img{margin-bottom: 40px;}

    .about .poster ul{
        margin-left: -150px;
        height: 550px;
    }

    .about .poster ul li{
        font-size: 15px;
    }

    .about .poster ul li img{height: 60px;}

    footer{
        height: 50px;
        padding: 10px;
    }

    footer p{
        font-size: 8px;
        line-height: 1.8;
    }

    footer .logo .footertitle{
        margin-right: 5px;
    }
    
    footer .logo img{height: 20px;}
}

@media (max-width: 600px){
    .about .teaser{width: 400px; height: 267px;}
    
    .about .maincaption img{width: 400px;}
    
    .about .acs img{width: 400px;}
    
    .about .teaser a img{height: 80px;}
    
    .about .poster{
        flex-direction: column;
        margin-top: 40px;
    }

    .about .poster img{
        height: 550px;
    }

    .about .poster>img{margin-bottom: 40px;}

    .about .poster ul{
        margin-left: -50px;
        height: 550px;
        /* margin-bottom: 0; */
    }

    .about .poster ul li{
        font-size: 15px;
    }

    .about .poster ul li img{height: 60px;}
}

@media (max-width: 500px){
    .responsive_500{display: flex;}
    .line_500{display: flex;}
    .line_1000{display: none;}

    .click{
        bottom: 40px;
        right: 20px;
    }

    .click a img{
        width: 120px;
        height: auto;
    }
    
    .responsive-hide{display: none;}
    .responsive{display: flex;}
    
    .about{
        padding-top: 80px;
    }

    .about .i{
        margin-bottom: 50px;
    }
    
    .about div>img{
        margin-bottom: 40px;
    }

    .about .title_1 img{width: 250px;}
    .about .maincaption img{width: 300px;}
    .about .acs img{width: 350px;}
    .about .title .sticker img{height: 40px; margin: 30px 0;}

    .about .eachcaption p{
        margin-top: 50px;
    }
    
    .about .sticker img{height: 40px; margin: 30px 0;}

    .about div p{
        font-size: 12px;
        margin: 0 25px;
    }

    .about .eachcaption .btn{
        width: 200px;
        height: 120px;
        font-size: 15px;
    }

    .about .poster{
        margin-top: 0;
    }

    .about .poster ul{
        height: 600px;
        margin-bottom: 0;
    }    
}

@media (max-width: 400px){
    .about .teaser{width: 300px; height: 200px;}

    .about .poster img{
        height: 400px;
    }

    .about .poster ul{
        margin-left: 0;
    }

    .about .poster ul li{
        font-size: 15px;
    }

    .about .poster ul li img{height: 50px;}
}

@media (max-width: 360px){
    .responsive_360{display: flex;}
    .responsive_500{display: none;}

    .about .maincaption img{width: 320px;}
    .about .acs img{width: 300px;}
}