/* 공통 리셋 일부 */
@import url('https://fonts.googleapis.com/css2?family=Nanum+Gothic:wght@400;700;800&family=Nanum+Myeongjo:wght@400;700;800&family=Noto+Sans+KR:wght@100;300;400;500;700;900&display=swap');
@import url('https://cdn.jsdelivr.net/gh/moonspam/NanumSquare@1.0/nanumsquare.css');
@import url('https://cdn.rawgit.com/openhiun/hangul/14c0f6faa2941116bb53001d6a7dcd5e82300c3f/nanumbarungothic.css');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;300;400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@100;200;300;400;500;600;700;800;900&display=swap');

/* 여백 초기화 */
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, form, input, legend,
textarea, select, fieldset, p, button, menu, figure, figcaption {margin:0;padding:0;}
/* 블릿 기호 초기화 */
ul, li, ol, dl {list-style:none;}
/* 이미지 테두리 초기화 */
img, fieldset {border:none;}
/* 링크 초기화 */
li {list-style:none;}
a {text-decoration:none;outline:none;-webkit-tap-highlight-color: transparent;}
a:hover, a:focus, a:active {text-decoration:none;}
/* body { position: relative; width: 720px; -webkit-text-size-adjust: none; -moz-text-size-adjust: none; -ms-text-size-adjust: none; } */
body { position: relative; font-family: 'Noto Sans KR', sans-serif;}
table { border-collapse: collapse; border-spacing: 0; }
select { background-color: #fff; }
area { outline: 0; }
img { max-width: 100%; height: auto;  vertical-align: middle; }
textarea { overflow: auto; }

/* 클리어 */
.clearfix:after{content: '';display: block;clear: both;}

/* reset */
* {margin:0;padding:0;}

.noto { font-family: 'Noto Sans KR', sans-serif; }
.nanum { font-family: 'Nanum Gothic', sans-serif; }
.nanumM { font-family: 'Nanum Myeongjo', serif; }
.nanumS { font-family: 'NanumSquare', sans-serif; }
.poppins { font-family: 'Poppins', sans-serif; }
.rale { font-family: 'Raleway', sans-serif; }
.bt { font-size: 0; line-height: 0; border: 0; background: 0; outline: 0; }
.br { display: block; }
.hidden {position:absolute;top:0;left:0;width:1px;height:1px;background:0;font-size:1px;border:0;opacity:0;text-indent:-9999px;overflow:hidden;}

.embed_wrap { position: relative; display: block; height: 0; padding: 0; overflow: hidden; padding-bottom: 56.25%; }
.embed_wrap iframe,
.embed_wrap embed,
.embed_wrap object,
.embed_wrap video {
	position: absolute;
	top: 0; bottom: 0; left: 0;
	width: 100% !important; height: 100% !important;
	border: 0;
}


* {
  box-sizing: border-box;
}



.inner_wrapper {
  max-width: 1800px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

.faq_inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 100px 0;

}



/* ---------- End of.공통 ---------- */




/* ---------- 헤더 레이아웃 ---------- */

/* 헤더 기본 */
.main_header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #ffffff;
  border-bottom: 1px solid #e5e5e5;
}
.main_header .inner_wrap {
  max-width: 1800px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-title {
  margin: 0;
}
.site-title img {
  display: block;
  height: 40px;
}

/* 데스크톱 내비게이션 */
.main-nav {
  /* 모바일에서 fixed로 바뀌므로 기본은 static */
}
.main-nav .depth1 {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav .depth1 > li > a {
  position: relative;
  display: inline-block;
  padding: 4px 0;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: #111;
}
.main-nav .depth1 > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: #111;
  transition: width 0.2s ease;
}
.main-nav .depth1 > li > a:hover::after,
.main-nav .depth1 > li > a:focus-visible::after {
  width: 100%;
}

/* 모바일 메뉴 버튼 (햄버거) */
.nav_toggle {
  display: none;
  position: relative;
  width: 28px;
  height: 24px;
  border: none;
  padding: 0;
  background: none;
  cursor: pointer;
  z-index: 1000;
}
.nav_toggle span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: #111;
  transition: transform 0.2s ease, top 0.2s ease, opacity 0.2s ease;
}
.nav_toggle span:nth-child(1) {
  top: 4px;
}
.nav_toggle span:nth-child(2) {
  top: 11px;
}
.nav_toggle span:nth-child(3) {
  top: 18px;
}

/* 모바일 오버레이 */
.nav_overlay {
  display: none;
}

/* ---------- 모바일 레이아웃 ---------- */
@media (max-width: 960px) {
  .main_header .inner_wrap {
    padding: 12px 16px;
  }

  .nav_toggle {
    display: inline-block;
  }

  /* 내비게이션을 화면 오른쪽에서 슬라이드 인 */
.main-nav {
    position: fixed;
    top: 0;
    right: 0; /* 오른쪽 기준으로 숨김/열림 */
    width: 80%;
    max-width: 320px;
    height: 100vh;
    padding: 80px 24px 24px;
    background-color: #ffffff;
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.15);
    transform: translateX(100%); /* 오른쪽 밖으로 숨김 */
    transition: transform 0.25s ease;
    z-index: 999;
  }

  .main-nav .depth1 {
    flex-direction: column;
    gap: 20px;
  }

  .main-nav .depth1 > li > a {
    font-size: 18px;
  }
/* 오버레이 (초기에는 숨김) */
  .nav_overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none; /* 클릭 이벤트 무시 */
    transition: opacity 0.25s ease;
    z-index: 50;
    /* ⚠️ 모바일에서 display: none; 초기화를 위해 block으로 변경하는 규칙은 제거했습니다. */
  }

  /* 열렸을 때 상태 */
  .main_header.is-open .main-nav {
    transform: translateX(0);
  }
  .main_header.is-open .nav_overlay {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  /* 햄버거 → X 아이콘 */
  .main_header.is-open .nav_toggle span:nth-child(1) {
    top: 11px;
    transform: rotate(45deg);
  }
  .main_header.is-open .nav_toggle span:nth-child(2) {
    opacity: 0;
  }
  .main_header.is-open .nav_toggle span:nth-child(3) {
    top: 11px;
    transform: rotate(-45deg);
  }

  /* 모바일에서는 기본적으로 헤더 안의 nav는 오른쪽 끝으로 밀기 */
  .main_header .inner_wrap {
    justify-content: space-between;
  }
} 
/* end 960px */




/* 메뉴 열렸을 때 스크롤 방지용 */
body.nav-open {
  overflow: hidden;
}



/*End of.header **************************************************************** */


/* START OF. 움직이는 텍스트**************************************************** */
.move_text {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    padding: 40px 0;
}

.move_wrap {
    display: inline-flex;
    animation: marquee 30s linear infinite;
    cursor: default;
}

.move_wrap p {
    font-size: 7.5rem;
    font-weight: 700;
    margin: 0;
    padding-right: 80px;
    white-space: nowrap;
}

/* 호버 시 애니메이션 정지 */
.move_wrap:hover {
    animation-play-state: paused;
}

/* 전체 3개니까 3등분 → -33.333% 이동 */
@keyframes marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-33.333%); }
}

/* END OF. 움직이는 텍스트*************************************************************** */


/* START OF. 포트폴리오************************************************************** */
.portfolio{
    margin-top: 100px;

    .title_wrap {
        h3{font-size : 2.5rem;
        font-weight : 700;}
    }


    .portfolio_list {
        width : 100%;
        margin: 0 auto 100px;



        li {
        display: inline-block;
        width: 33%;
        padding: 0 1.04167vw;
        margin-top : 60px;
        vertical-align: top;
        overflow: hidden;

        .project_img {
              position: relative;
              overflow: hidden;

                   > img{
             display: block;
             width: 100%;
             height: auto;
             width: 100%;
             transition: transform 0.55s ease;}
        }


            .project_info {
                margin-top: 30px;
                >h3 {font-size : 1rem;
                    margin-bottom : 5px;} 
                >p {font-size : 2rem;
                    font-weight : 700;
                    margin-bottom : 10px;
                    WORD-BREAK: keep-all;
                >.project_info__desc {
                    display : block;
                    font-size: 1.2rem;}
                }
        }
    }/*end of portfolio_list*/
}/*end of portfolio*/
}

/* 마우스 호버 시 확대 효과 */
.portfolio_list li:hover .project_img img {
    transform: scale(1.1); /* 10% 확대 */
}


/* 클릭 이미지가 확대될 때 튀어나오지 않게 */
.project_img {
  overflow: hidden;
}


/*  */
/* 처음엔 숨김 상태 */
.portfolio_list > li {
  opacity: 0;
  transform: translateY(30px);
  transition:
  opacity 0.8s ease,
  transform 0.8s ease;
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}

.portfolio_list > li.is-show {
  opacity: 1;
  transform: translateY(0);
}

.portfolio_list li:hover .project_img::after{
  transition:
  transform 0.8s ease;  
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.3); /* 필요 없으면 삭제 */
  pointer-events: none;
  z-index: 5;
}


/* ===============================
   Lightbox
================================ */
/* 기본 숨김 상태 */
.img_lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

/* 열렸을 때 */
.img_lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* 배경 */
.img_lightbox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
}

/* 이미지 컨텐츠 */
.img_lightbox__content {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;   /* 🔥 위에서부터 시작 */
  overflow-y: auto;          /* 🔥 여기서 스크롤 */
  z-index: 2;
  width: 100%;
  height: 100%;
  padding: 5% 10%; 
  transform: scale(0.96);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

/* 열렸을 때 이미지 */
.img_lightbox.is-open .img_lightbox__content {
  transform: scale(1);
  opacity: 1;
}

/* 이미지 */
.img_lightbox__content img {
  display: block;
  max-width: min(1200px, 92vw);
  height: auto;              /* 🔥 세로 길이 제한 제거 */
  max-height: none;          /* 🔥 중요 */
  object-fit: contain;
  border-radius: 16px;
}

 .img_lightbox__close {
  position: fixed;
  top: 5%;
  right: 20%;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  font-size: 28px;
  line-height: 44px;
  cursor: pointer;
}

/* End of. 포트폴리오****************************** */



/*Scroll-pinned step-based list transition */
.main.con3{
     position:relative;
     margin-bottom : 200px; }

#con3 .con3__pin{
  position:relative;
  min-height:100vh;
  overflow:hidden;
}


/* BG */
#con3 .con3__bg{ position:absolute; inset:0; }
#con3 .con3__img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  will-change: transform, opacity, filter;
  opacity:0;
  transform: scale(1.12);
  filter: blur(0px);
}
#con3 .con3__img{
  display:block;
}
#con3 .con3__img--1{ opacity:1; transform: scale(1.12); }
#con3 .con3__img--2{ opacity:0; transform: scale(1.18); }

#con3 .con3__dim{
  position:absolute; inset:0;
  background: rgba(0,0,0,.45);
  opacity:.55;
  will-change: opacity;
}

/* Copy layout */
#con3 .con3__inner{
  position: relative;
  z-index: 3;

  min-height: 100vh;           /* 화면 높이 */
  display: flex;
  flex-direction: column;
  justify-content: center;     /* 세로 중앙 */
  align-items: center;         /* 가로 중앙 */

  text-align: center;          /* 텍스트 가운데 */
  padding: 0 24px;
}

/* copy blocks stacked */
#con3 .con3__copy{
  position:absolute;
  top:40%;
  left:0;
  width: 100%;
  margin:0 auto;
  opacity:0;
  transform: translate(50%,-50%);
  will-change: transform, opacity;
  color: #fff;
}
#con3 .con3__copy--1{ opacity:1; transform: translateY(18px); } /* JS에서 첫 등장 처리 */
#con3 .con3__copy--2{ opacity:0; transform: translateY(18px); }

#con3 .con3__eyebrow{
  margin:0 0 12px;
  opacity:.75;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:13px;
}
#con3 .con3__headline{
  margin:0 0 14px;
  font-size:clamp(34px, 4.5vw, 64px);
  line-height:1.05;
  font-weight:600;
}
#con3 .con3__desc{
  margin:0;
  width: 100%;
  font-size:clamp(15px, 1.5vw, 18px);
  line-height:1.7;
  opacity:.88;
}

/* 모바일에서 너무 위로 붙으면 */
@media (max-width:768px){
  #con3 .con3__inner{ padding: 10vh 18px; }
  #con3 .con3__copy{ }



}/*768*/





/* 아코디언 */
/* 스크린리더 전용 */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* layout */
.faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid #ddd;
}

.faq-item {
  border-bottom: 1px solid #ddd;
}

.faq-button {
  width: 100%;
  padding: 20px 0;
  text-align: left;
  background: none;
  border: 0;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
}

/* 포커스 접근성 */
.faq-button:focus-visible {
  outline: 2px solid #000;
  outline-offset: 4px;
}

/* panel */
.faq-panel {
  padding: 0 0 20px;
  font-size: 15px;
  line-height: 1.7;
}

/* 화살표 (CSS만으로) */
.faq-button::after {
  content: "⌄";
  float: right;
  transition: transform 0.25s ease;
}

.faq-button[aria-expanded="true"]::after {
  transform: rotate(180deg);
}






/* Quick Menu */
.quick_menu{
  position: fixed;
  right: 24px;
  bottom: 30px;
  z-index: 9999;
  display: grid;
  gap: 12px;
  pointer-events: none; /* 버튼/리스트만 클릭되게 */
  justify-items: center;
}

.quick_menu__btn{
  pointer-events: auto;
  width: 88px;
  height: 88px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.quick_menu__rotate{
  position: absolute;
  inset: 10px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  animation: qm-rotate 8s linear infinite;
  opacity: .95;
}

.quick_menu__center{
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 11px;
  letter-spacing: .12em;
  color: #fff;
  text-transform: uppercase;
}

@keyframes qm-rotate{
  to { transform: rotate(360deg); }
}

/* list */
.quick_menu__list{
  pointer-events: auto;
  list-style: none;
  margin: 0;
  padding: 10px 10px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  display: grid;
  gap: 8px;

  transform: translateY(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
}

.quick_menu__list a{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 14px;
  border-radius: 10px;
  color: #fff;
  text-decoration: none;
  font-size: 12px;
  letter-spacing: .08em;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
}

.quick_menu.is-open .quick_menu__list{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* hover 느낌 */
.quick_menu__btn:hover{
  transform: translateY(-2px);
  transition: transform .18s ease;
}

@media (max-width: 768px){
  .quick_menu{ right: 0px; bottom: 16px; }
  .quick_menu__btn{ width: 76px; height: 76px; }
}


/* bg_video */
/* 메인 마지막 섹션 */
.bg_video{
  position: relative;
  width: 100%;
  height: 55vh;          /* 화면 높이 */
  overflow: hidden;
}

/* 비디오 래퍼 */
.bg_video .video_bg{
  position: absolute;
  inset: 0;
  >p.video_bg__text {position: relative;
      z-index: 2;
      color: #fff;
      font-size: clamp(20px, 2vw, 40px); 
      /* (최소값, 기준값, 최대값); */
      text-align: center;
      top: 50%;
      transform: translateY(-50%);
      pointer-events: none;
    }
}

/* 배경 비디오 */
.bg_video .bg_video1{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;     /* 🔥 핵심 */
  object-position: center;
  display: block;
}

/* 선택: 어두운 딤 */
.bg_video::after{
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.6); /* 필요 없으면 삭제 */
  pointer-events: none;
}