@font-face {
    font-family: 'OneStoreMobileGothicTitleFont';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2105_2@1.0/ONE-Mobile-Title.woff') format('woff');
    font-weight: normal;
    font-display: swap;
}


/* 기본 스타일 및 초기화 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    /* 또는 scroll, 보통 auto 권장 */
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    /* 가로 스크롤 방지 */
    background-color: #f8f8f8;
    display: flex;
    /* Flexbox 컨테이너로 설정 */
    flex-direction: column;
}

main {
    flex-grow: 1;
    /* 이 요소가 남은 공간을 모두 채우도록 확장 */
}

a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

a:hover {
    cursor: pointer;
    text-decoration: none;
}

.nav_logo {
    width: 181px;
    height: 41px;
    margin-left: 20px;
    float: left;
    margin-top: 3px;
    flex: 1 1 auto;
    max-width: 210px;
    padding-right: 59px;
}

nav ul {
    font-size: 1.3em;
}

ul {
    list-style: none;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}


/* 헤더 스타일 */

#mainHeader {
    background-color: transparent;
    /* 초기 배경 투명 */
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    /* 부드러운 전환 효과 */
}
#submenu_btn{display:none}
.header-scrolled .main-menu a {
    color: #6b6e6c
}

header.header-scrolled {
    /* 스크롤 시 적용될 클래스 */
    background-color: #fff !important;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    max-width: 1240px;
    /* 최대 너비 1200px */
    margin: 0 auto;
    /* 중앙 정렬 */
    padding: 0 20px 0 0;
}

.logo {
    font-size: 1.8em;
    font-weight: 700;
    color: #28a745;
    /* 녹색 테마 (기본 색상이 필요할 경우) */
    position: relative;
    /* 로고 이미지들이 겹쳐있을 수 있도록 */
}

.logo img {
    width: 180px;
    /* 로고 이미지 크기 지정 */
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    transition: opacity 0.3s ease;
    /* 이미지 전환 부드럽게 */
}


/* 초기 로고: 어두운 배경 (투명 헤더)에 어울리는 로고 */

.logo .logo-initial {
    opacity: 1;
    display: block;
    /* 초기에는 보여줌 */
}


/* 스크롤 로고: 밝은 배경 (흰색 헤더)에 어울리는 로고 */

.logo .logo-scrolled {
    opacity: 0;
    width: 150px;
    height: 58px;
    display: block;
    /* 스크롤 시 opacity로 제어 */
}

header.header-scrolled .logo .logo-initial {
    opacity: 0;
}

header.header-scrolled .logo .logo-scrolled {
    opacity: 1;
}

.main-header {
    width: 100%;
    background-color: #fff;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: none;
    background: #313131;
    padding: 14px 1px;
    border-radius: 0 0 16px 10px;
    box-shadow: 0 3px 7px rgba(0, 0, 0, 0.12);
    position: fixed;
    user-select: none;
    z-index: 1111;
    width: 100%;
    align-items: center;
}


/* 햄버거 버튼 */

.hamburger {
    width: 44px;
    height: 38px;
    background: #f4f6f8;
    border: 2px solid white;
    border-radius: 18px;
    cursor: pointer;
    display: none;
    /* 데스크탑에선 숨김 */
    flex-direction: column;
    justify-content: space-between;
    padding: 6px 8px;
    transition: background-color 0.3s ease;
    margin-left: 14px;
    flex: 0 0 auto;
    /* 크기 고정 */
    cursor: pointer;
    flex: 0 0 auto;
    /* 크기 고정 */
    cursor: pointer;
}

.hamburger:hover {
    background-color: #e0e5eb;
}


/* 각 바별 다른 너비(귀엽게 느낌) */

.bar {
    display: block;
    height: 4px;
    background-color: #323232;
    border-radius: 14px;
    transform-origin: center;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.bar1 {
    width: 24px;
}

.bar2 {
    width: 29px;
}

.bar3 {
    width: 22px;
}


/* 햄버거 클릭시 90도 회전 애니메이션 */

.hamburger.active .bar1 {
    transform: rotate(180deg);
}

.hamburger.active .bar2 {
    transform: rotate(180deg);
}

.hamburger.active .bar3 {
    transform: rotate(180deg);
}


/* 메뉴 - 데스크탑 */

.menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 5px;
    z-index: 9999;
    position: fixed;
    top: 60px;
}

.menu>li {
    position: relative;
    border-radius: 14px;
    transition: background-color 0.3s ease;
}

.menu>li>a {
    text-decoration: none;
    color: #222;
    font-size: 1.2em;
    padding: 12px 16px;
    display: inline-block;
    font-weight: 600;
    border-radius: 14px;
    user-select: none;
}

.menu>li:hover,
.menu>li:focus-within {
    background-color: #e6f5ef;
}

.menu>li:hover>a,
.menu>li:focus-within>a {
    color: #28a745;
}

.menu>li>a::after {
    font-size: 11px
}


/* 서브메뉴 */

.submenu {
    position: absolute;
    top: 110%;
    left: 0;
    margin: 0;
    min-width: 160px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    z-index: 20;
}

.menu>li:hover>.submenu,
.menu>li:focus-within>.submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li a {
    padding: 10px 24px;
    display: block;
    color: #444;
    text-decoration: none;
    border-radius: 12px;
    transition: background-color 0.25s ease;
}

.submenu li a:hover,
.submenu li a:focus {
    background-color: #dceeff;
    color: #1a73e8;
}

.video-wrap {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    min-width: 177.77vh;
    /* 16:9 강제 */
    min-height: 56.25vw;
    transform: translate(-50%, -50%);
    overflow: hidden;
}

.video-wrap iframe {
    width: 100%;
    height: 100%;
    border: 0;
    pointer-events: none;
    filter: brightness(0.6);
    /* 비디오를 어둡게 */
}

.phone-icon {
    width: 60px;
    margin: 0 auto;
}

#wrapper {
    width: 100%;
    position: relative;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    border-top: 1px solid #cdcdcd;
}

.main-nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

.logo {
    margin: 0;
    font-size: 28px;
    font-weight: bold;
}

.logo a {
    color: #3498db;
}

.main-menu {
    display: flex;
    gap: 50px;
}

.main-menu>li {
    position: relative;
}

.main-menu>li>a {
    display: block;
    padding: 15px 0;
    font-size: 19px;
    color: #fff;
    transition: color 0.3s ease;
}

.green-menu>li>a {
    display: block;
    padding: 15px 0;
    font-size: 19px;
    color: #000;
    transition: color 0.3s ease;
}

.main-menu>li>a:hover {
    color: #28a745;
}


/* 밑줄 애니메이션 */

.main-menu>li>a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    background-color: #28a745;
    transition: width 0.3s ease;
}

.main-menu>li:hover>a::after {
    width: 100%;
}


/* 2뎁스 서브 메뉴 스타일 (이전과 동일) */

.submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #fff;
    min-width: 180px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.4s ease-out, opacity 0.4s ease-out, visibility 0.4s ease-out;
}


/* --- 2뎁스 메뉴 항목 애니메이션 수정 (간격 조정 유지) --- */

.submenu li a {
    display: flex;
    align-items: center;
    padding: 12px 20px 12px 40px;
    /* 화살표 공간 확보 패딩 */
    color: #666;
    font-size: 15px;
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}


/* 2뎁스 메뉴 항목의 화살표 */

.submenu li a::before {
    content: '>';
    font-size: 1.1em;
    color: #28a745;
    position: absolute;
    left: 0px;
    /* 초기 위치 */
    opacity: 0;
    transform: translateX(-15px);
    /* 시작 시 아예 안 보이게 */
    transition: all 0.3s ease-out;
    /* 등장 애니메이션 */
}


/* 마우스 오버 시 서브 메뉴 보이게 (이전과 동일) */

.has-submenu:hover>.submenu {
    max-height: 300px;
    opacity: 1;
    visibility: visible;
}

.submenu li a:hover {
    background-color: #e8f9f5;
    color: #28a745;
    /* 애니메이션 속도와 곡선 변경 */
    animation: bounceRight 0.3s cubic-bezier(0.2, 0.8, 0.4, 1) forwards;
}


/* 2뎁스 메뉴 항목에 마우스 오버 시 화살표 나타남 (이전과 동일) */

.submenu li a:hover::before {
    left: 20px;
    /* 마우스 오버 시 화살표의 최종 위치 */
    opacity: 1;
    transform: translateX(0);
    /* 화살표 제자리로 스르륵 */
}


/* 2뎁스 메뉴 글씨가 오른쪽으로 스무스하게 움직였다 돌아오는 애니메이션 */

@keyframes bounceRight {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(5px);
    }
    /* 이전보다 적게 밀려남 */
    100% {
        transform: translateX(0);
    }
    /* 스무스하게 제자리로 */
}

.inner-text {
    font-size: 0.2em;
    /* 괄호보다 작게 */
    font-weight: normal;
    letter-spacing: -0.1em;
    color: #333;
    font-family: sans-serif;
    white-space: normal;
    /* 텍스트가 줄바꿈되지 않게 */
    margin: 0 10px;
    /* 괄호와 텍스트 사이 간격 */
    opacity: 0;
    /* 이 텍스트도 나중에 GSAP로 등장시킬 수 있음 */
    z-index: 3;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
}

.inner-text-title {
    top: 181px;
    font-size: 55px;
    color: white;
    position: relative;
    text-align: center;
    z-index: 10;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
}

#top_img {
    width: 100%
}

.top_title {
    color: white;
    font-weight: bold;
    text-align: center;
    font-size: 39px;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
    padding-top: 147px;
}

.top_title_wrapper::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.32));
    z-index: 1;
}

.tab_menu_section {
    width: 100%;
    margin: 0 auto;
    margin-top: 33px;
    background-color: white;
    position: relative;
    border-radius: 45px 45px 0 0;
    height: 81px;
    padding: 5px;
}

.tab_menu_wrap {
    width: 1200px;
    height: 71px;
    margin: 0 auto;
    position: relative;
}

.tab_menu a {
    transition: all 0.3s ease;
    ;
    padding: 16px 0;
}

.tab_on a {
    border-bottom: 3px solid #000;
    color: #145239;
}

.tab_menu a:hover {
    font-weight: bold;
    letter-spacing: 0.1em
}

.tab_on {
    font-weight: bold;
}


/* 메인 비주얼 섹션 */

.main-visual {
    position: relative;
    width: 100%;
    height: 100vh;
    /* 화면 전체 높이 */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
    background-color: #000;
    /* 비디오 로딩 전 배경 */
}

.main-visual video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
    filter: brightness(0.6);
    /* 비디오를 어둡게 */
}

.main-visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.main-visual-content {
    position: relative;
    z-index: 3;
    max-width: 1240px;
    /* 콘텐츠 최대 너비 */
    padding: 20px;
}

.main-visual-content h1 {
    font-size: 6em;
    /* 폰트 크기 조정 */
    font-weight: normal;
    margin-bottom: 3px;
    /* 글자 간격 */
    color: #ffffff;
    opacity: 1;
    /* GSAP 애니메이션 초기 상태 */
    font-family: 'OneStoreMobileGothicTitleFont';
}

.main-visual-content h1 span {
    opacity: 0;
    /* 각 글자 애니메이션 초기 상태 */
}

.main-visual-content p {
    font-size: 1.5em;
    margin-bottom: 40px;
    line-height: 1.4;
    opacity: 0;
    /* GSAP 애니메이션 초기 상태 */
    transform: translateX(100px);
    /* 우측에서 시작 */
}

.main-visual-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.main-visual-buttons2 {
    display: flex;
    justify-content: center;
    gap: 15px;
    height: 71px;
    margin-top: 23px;
}

.main-visual-buttons2 img {
    width: 42px;
    transition: transform 0.3s ease;
    transform: translateY(0);
}

.main-visual-buttons2 img:hover {
    transform: translateY(-7px);
}

.main-visual-buttons .btn {
    color: #fff;
    padding: 9px 41px 44px;
    border-radius: 20px;
    border: 1px solid;
    font-size: 16px;
    font-weight: 500;
    transition: transform 0.3s ease;
    transition: background-color 0.5s ease, transform 0.3s ease;
    opacity: 0;
    /* GSAP 애니메이션 초기 상태 */
}

.main-visual-buttons .btn:hover {
    background-color: #fff;
    color: #000;
    transform: translateY(-10px);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.call-btn {
    width: 300px;
    height: 40px;
    border-radius: 19px;
    margin: 0 auto;
    border: 2px solid #fff;
    color: white;
    font-size: 20px;
    font-weight: bold
}


/* 공통 섹션 스타일 */

.section-title {
    font-size: 3.2em;
    font-weight: normal;
    font-family: 'OneStoreMobileGothicTitleFont';
    color: #333;
    width: 1240px;
    margin: 0 auto;
    text-align: center;
    margin-bottom: 11px;
    position: relative;
    margin-top: 27px;
}

.service_title {
    font-family: 'OneStoreMobileGothicTitleFont';
}


/* 실적 이미지 슬라이드 섹션 */

.performance-section {
    padding: 100px 0;
    background-color: #fff;
    height: 1156px;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 45px;
}

.performance-item {
    border-radius: 27px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    opacity: 1;
    /* GSAP 애니메이션 초기 상태 */
    transform: translateY(50px);
    /* 아래에서 위로 */
}

.performance-item-info {
    overflow: hidden;
    position: relative;
    z-index: 1;
    background: white;
    font-family: 'OneStoreMobileGothicTitleFont';
}

.performance-item a>img:hover {
    transform: scale(1.2);
    opacity: 0.8;
    -webkit-transition: -webkit-transform 2s cubic-bezier(0.2, 0.96, 0.34, 1);
    transition: -webkit-transform 2s cubic-bezier(0.2, 0.96, 0.34, 1);
    transition: transform 2s cubic-bezier(0.2, 0.96, 0.34, 1);
    transition: transform 2s cubic-bezier(0.2, 0.96, 0.34, 1), -webkit-transform 2s cubic-bezier(0.2, 0.96, 0.34, 1);
}

.performance-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.performance-item-info {
    padding: 20px;
}

.performance-item-info h3 {
    font-size: 1.6em;
    margin-bottom: 10px;
    color: #333;
    font-family: 'OneStoreMobileGothicTitleFont';
    letter-spacing: 0.1em;
    font-weight: normal;
}

.performance-item-info h3:hover {
    color: #ab8e67;
    text-decoration: none;
}

.performance-item-info p {
    font-size: 0.95em;
    color: #666;
    font-family: 'NotoSans';
    letter-spacing: -0.03em;
}

.performance-item-info p:hover {
    text-decoration: none;
}

.project_section {
    padding-top: 111px;
    height: 902px;
    background: #fff;
}

.slider-wrapper {
    max-width: 1200px;
    /* .container와 동일한 최대 너비 */
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    /* 슬라이더 요소들이 wrapper 밖으로 나가지 않도록 */
    height: 350px;
    /* 슬라이더가 차지할 높이 (조절 가능) */
    margin-top: 60px;
    /* 섹션 타이틀 아래 여백 */
}

.slider-track {
    display: flex;
    height: 69%;
    align-items: center;
    /* GSAP으로 transform을 제어하므로 초기 transform은 주지 않음 */
}

.catname {
    background: black;
    float: right;
    position: absolute;
    display: none;
    z-index: 100;
    font-weight: normal;
    letter-spacing: 0.1em;
    font-family: 'OneStoreMobileGothicTitleFont';
    width: 103px;
    height: 30px;
    color: white;
    padding-top: 5px;
    border-radius: 28px;
    margin: 20px 0px 0px 297px;
}

.slider-item {
    flex-shrink: 0;
    /* 아이템이 줄어들지 않도록 */
    width: 500px;
    /* 각 슬라이드 아이템의 너비 (이미지 크기에 따라 조절) */
    height: 384px;
    /* 각 슬라이드 아이템의 높이 */
    margin: 0 15px;
    /* 아이템 간 간격 */
    background-color: #fff;
    border-radius: 19px;
    box-shadow: 21px 30px 59px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    /* 자식 요소들을 위한 */
}

.slider-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.slider-item img {
    width: 500px;
    height: 300px;
    /* 이미지 높이 조절 */
    object-fit: cover;
    display: block;
}

.slider-item-info {
    padding: 15px;
    width: 100%;
}

.slider-item-info h3 {
    font-size: 1.2em;
    font-weight: 700;
    margin-bottom: 5px;
    color: #333;
}

.slider-item-info p {
    font-size: 0.9em;
    color: #666;
}

.portfolio_text {
    width: 100%;
}

.subj {
    font-size: 18px;
    text-align: left;
    width: 380px;
    margin-top: 13px;
    padding-left: 16px;
    font-family: 'OneStoreMobileGothicTitleFont';
    font-weight: normal;
}

.lt_date {
    font-size: 15px;
    text-align: left;
    width: 380px;
    margin-top: -4px;
    padding-left: 16px;
    color: #878683;
}


/* 그린파트너스 섹션 */

.green-partner-section {
    width: 100%;
    height: 714px;
    padding-top: 176px;
    background: #f8f9f9;
}

.green-partner-wrap {
    margin: 0 auto;
    width: 1240px;
}

.green-partner-eng-title {
    font-size: 25px;
    color: green;
    width: 500px;
}

.green-partner-title {
    font-size: 29px;
    font-weight: normal;
    width: 700px;
    letter-spacing: -0.01em;
    font-family: 'OneStoreMobileGothicTitleFont';
}

.green-partner-texts {
    margin-top: 40px;
    font-size: 17px;
    line-height: 1.9em;
    width: 611px;
    float: left;
    color: #5d5d5d;
    letter-spacing: -0.05em;
}

.green-partner-img {
    width: 626px;
    float: left;
    margin-top: 96px;
}

.with-us-section {
    width: 100%;
    height: 700px;
    background: #19cd87;
}


/* 정보 박스 섹션 */

.info-boxes-section {
    padding: 100px 0;
    background-color: #e9f5ed;
    height: 841px;
}

.info-boxes-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    /* 반응형을 위해 추가 */
    margin-top: 38px;
}

.info-box {
    flex: 1;
    /* 가로 일렬 배치 */
    min-width: 300px;
    /* 최소 너비 */
    max-width: 380px;
    /* 최대 너비 */
    background-color: #fff;
    border-radius: 27px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 1;
    /* GSAP 애니메이션 초기 상태 */
    transform: translateY(50px);
    /* 아래에서 위로 */
}

.info-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.info-box img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.info-box-content {
    padding: 30px 20px;
}

.info-box-content h3 {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 15px;
    font-family: 'OneStoreMobileGothicTitleFont';
    letter-spacing: 0.1em;
    font-weight: normal;
}

.info-box-content p {
    font-size: 1.3em;
    color: #666;
    margin-bottom: 20px;
}

.info-box-content .btn {
    display: inline-block;
    background-color: #102A23;
    color: #fff;
    padding: 0px 51px;
    height: 39px;
    border-radius: 23px;
    margin-top: 20px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.info-box-content .btn:hover {
    background-color: #746f61;
}

.title-anim {
    color: white;
    font-size: 3em;
}

.desc-anim {
    color: white;
    font-size: 2em;
}

.performance-subtitle-anim,
.info-boxes-subtitle-anim,
.project-subtitle-anim,
.youtube-subtitle-anim,
.contact-subtitle-anim {
    font-size: 1.7em;
    font-family: 'Noto Sans';
    letter-spacing: -0.06em;
    text-align: center;
    font-weight: normal;
    width: 1240px;
    margin: 0 auto;
    color: #4f4f4f;
}

.scroll-container {
    scroll-snap-type: y mandatory;
    /* y축으로 강제 스냅 */
    overflow-y: scroll;
    /* 스크롤바가 있어야 스냅이 동작 */
    height: 100vh;
    /* 화면 높이 전체를 차지하게 */
    -webkit-overflow-scrolling: touch;
    /* iOS에서 부드러운 스크롤 */
    scroll-behavior: smooth;
    /* 스크롤 애니메이션 부드럽게 */
}

.threed-objects {
    float: right;
    width: 800px;
    position: relative;
    z-index: 0
}

.stage {
    scroll-snap-align: start;
    /* 각 섹션의 시작점에 딱 맞춰서 스냅 */
    height: 700px;
    /* 각 섹션도 화면 높이 전체를 차지하게 */
    width: 100vw;
    /* 너비도 화면 전체 */
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    color: white;
    box-sizing: border-box;
    /* 패딩, 보더 포함해서 높이 계산 */
    background-size: cover;
    background-position: center;
    position: relative;
    /* 자식 요소 포지션 기준 */
}


/*실적 swiper*/

.mySwiper {
    max-width: 1200px;
    margin: 0 auto;
}

.swiper-slide {
    background: #eee;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2em;
    height: 200px;
    user-select: none;
}


/* ==================================== */


/*         Swiper 캐러셀 CSS            */


/* ==================================== */

.carousel-stage {
    position: relative;
    z-index: 1;
    /* 다른 섹션 위에 오도록 */
    display: flex;
    /* Swiper 중앙 정렬용 */
    align-items: center;
    justify-content: center;
}

.swiper-container {
    width: 100%;
    height: 700px;
    /* .carousel-stage 에 맞추기 */
    padding-top: 500px;
    padding-bottom: 50px;
    overflow: visible;
    /* iframe 콘텐츠가 잘리지 않도록 */
}

.swiper-slide {
    background-position: center;
    background-size: cover;
    width: 500px;
    /* 슬라이드 개별 너비 조정 */
    height: 300px;
    /* 슬라이드 개별 높이 조정 */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    /* iframe이 슬라이드 영역 벗어나지 않도록 */
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background-color: #fff;
    /* iframe 뒷 배경 */
    transition: transform 0.3s ease, opacity 0.3s ease;
    /* 슬라이드 변환 애니메이션 */
}

.swiper-slide-active {
    transform: scale(1.1);
    /* 활성 슬라이드는 좀 더 크게 */
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    z-index: 10;
    /* 활성 슬라이드가 맨 위로 */
}

.swiper-slide iframe {
    width: 100%;
    height: 700px;
    border: none;
    /* iframe 기본 보더 제거 */
    pointer-events: auto;
    /* iframe 내부 클릭 가능하게 */
}


/* 네비게이션 버튼 (있다면) */

.swiper-button-next,
.swiper-button-prev {
    color: #ffffff;
    /* 버튼 색상 */
}

.swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.7);
}

.swiper-pagination-bullet-active {
    background: #ffffff;
}

.swiper-wrapper {
    height: 700px !important
}


/* iframe이 풀스크린으로 확장될 때를 대비 */

iframe:-webkit-full-screen {
    width: 100%;
    height: 100%;
}

iframe:-moz-full-screen {
    width: 100%;
    height: 100%;
}

iframe:-ms-fullscreen {
    width: 100%;
    height: 100%;
}

iframe:full-screen {
    width: 100%;
    height: 100%;
}


/* 빠른 견적문의 섹션*/

.quick_section {
    width: 100%;
    height: 1050px;
    padding-top: 100px;
}

.quick-ask-wrapper {
    width: 1240px;
    margin: 0 auto;
    height: 600px;
    border-radius: 16px;
}

.email_content {
    width: 45%;
    float: right;
    margin-top: 82px;
    margin-right: 86px;
    border-radius: 51px;
    background-color: white;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.email_box {
    width: 100%;
    padding: 31px
}

.blog_title {
    font-size: 26px;
    margin: 30px 0 20px 0;
    font-family: 'OneStoreMobileGothicTitleFont';
}

.contact_title {
    width: 77px;
    height: 34px;
    float: left;
    padding: 14px 0;
}

@keyframes upDown {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

img.bounce {
    animation: upDown 2s ease-in-out infinite;
    width: 400px;
    float: left;
    margin-top: 55px;
    margin-top: 121px;
    margin-left: 97px;
}

#from_name,
#phone_num,
#from_email,
#subject,
#content {
    width: 83%;
    height: 40px;
    font-size: 16px;
    padding-left: 6px;
    margin-bottom: 10px;
    border-radius: 7px;
    border: 1px solid #dedede;
}

.file_input_div {
    width: 99%;
    height: 36px;
    float: left;
}

.file_input_hidden {
    display: none !important;
    width: 58px;
    height: 36px;
}

#fileName1 {
    width: 71%;
    height: 49px;
    margin-right: 5px;
    border-radius: 7px;
    margin-bottom: 20px;
    border: 1px solid #dedede;
}

.file_input_button,
.cancel-button {
    cursor: pointer;
    text-align: center;
    position: relative;
    right: 0;
    margin-right: 5px;
    float: right;
    top: 0px;
    border-radius: 12px;
    background: #757575;
    width: 13%;
    height: 49px;
    line-height: 33px;
    color: #fff;
    padding: 7px;
    font-size: 13.333px;
}

footer {
    width: 100%;
    margin-top: 30px;
    border-top: 1px solid #dadada;
    height: 180px;
    float: left;
}

footer img {
    width: 160px;
    float: left;
    margin-right: 35px;
    margin-bottom: 100px;
}

.footer-wrap {
    width: 1240px;
    margin: 0 auto;
    padding: 20px;
    color: #3d3939;
    font-size: 12px;
}

.privacy {
    color: #595757;
    margin-top: 10px
}

.g-recaptcha {
    transform: scale(0.85);
    -webkit-transform: scale(0.85);
    transform-origin: 0 0;
    -webkit-transform-origin: 0
}

input[type="submit"] {
    font-size: 1.7em;
    color: white;
    background: #1fce89;
    border: none;
    width: 99%;
    height: 60px;
    margin: 0 auto;
    margin-top: 74px;
    border-radius: 13px;
    transition: background-color 0.3s ease;
}

input[type="submit"]:hover {
    background-color: #0c8f6b;
}

.stage-container {
    /* .stage 요소들을 감싸는 부모 요소! */
    padding-top: 163px;
    height: 791px;
    /* 화면 전체 높이만큼 지정해주는 게 좋아 */
    /* 혹시 Safari 같은 브라우저에서는 */
    -webkit-overflow-scrolling: touch;
    /* 부드러운 스크롤링 위해 추가하기도 함 */
    background-color: #19cd87;
}

.b1 {
    width: 280px;
    height: 244px;
    float: left;
}

.main_contents h1,
.main_contents h2,
.main_contents h3,
.main_contents h4 {
    font-size: 0px;
    color: white;
}

#container_title span,
#container_title h1 {
    float: right;
    text-align: left;
    margin: 0 auto 10px;
    display: block;
    line-height: 30px;
    padding-top: 7px;
    font-family: 'andante';
    color: white;
    font-size: 16px;
    padding-left: 15px;
    letter-spacing: 0.04em;
    font-weight: normal
}

.main_contents {
    width: 789px;
    height: 100%;
    float: left;
    margin-left: 49px;
    margin-bottom: 20px;
}

.intro_content_txt p:nth-child(1) {
    font-size: 22px;
    font-weight: bold;
    color: black;
}

.intro_txt p {
    padding: 0 30px;
}

.intro_txt {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    font-size: 17px;
    line-height: 2.1em;
    margin-top: 93px;
}

.intro_content_txt {
    width: 25%;
    height: 300px;
    float: left;
    margin-top: 36px;
    letter-spacing: -0.01em;
}

.intro_line {
    width: 81%;
    height: 3px;
    background-color: black;
    margin-left: 30px;
    margin-top: 21px;
}

.intro_txt h1,
.intro_txt h2,
.intro_txt h3 {
    font-size: 0px;
    color: white;
}

.quick {
    width: 217px;
    position: fixed;
    cursor: pointer;
    z-index: 90;
    right: 154px;
    top: 18%;
    font-family: 'OneStoreMobileGothicTitleFont';
    font-size: 20px;
    color: #000;
    text-align: center
}

.quick-arrow {
    width: 20px;
    float: right;
    margin-right: 14px;
    margin-top: 6px
}

.sms-character {
    position: absolute;
    z-index: -14;
    position: fixed;
    width: 80px;
    text-align: center;
    right: 76px;
    top: -71px;
}

.sms-click {
    border-radius: 29px;
    z-index: 2;
    width: 207px;
    height: 53px;
    box-shadow: 0 8px 11px rgba(0, 0, 0, 0.3);
    padding-top: 9px;
    z-index: 6;
    padding-left: 12px;
    position: absolute;
    background: #00e5a2;
    border: 2px solid white;
}

.sms-button {
    transition: background-color 0.3s ease;
    font-family: 'OneStoreMobileGothicTitleFont';
    cursor: pointer;
    height: 33px;
    border-radius: 0 0 15px 15px;
    padding: 0px;
    width: 152px;
    font-weight: normal;
    border: 0;
    background-color: #636363;
    color: white;
    font-size: 16px;
    text-align: center;
    margin-top: -5px;
}

.sms-button:hover {
    background-color: #00e5a2
}

#sms_window {
    position: fixed;
    z-index: 30 !important;
    top: 157px;
    right: 189px;
    opacity: 0;
}

.lnb_submenu {
    height: 98%;
    width: 333px;
    padding: 10px;
    float: left;
    border-right: 1px solid black;
}

.contents-menu-li-0 {
    margin-bottom: 37px;
}

.contents-menu-item-title-0 {
    font-size: 24px;
    font-family: 'OneStoreMobileGothicTitleFont';
    letter-spacing: 0.02em;
}

.contents-menu-ul {
    font-size: 16px;
    letter-spacing: -0.08em;
    color: #858585;
    margin-top: 11px;
}

#bo_gall .gall_img img,
#bo_gall .gall_img video {
    border-radius: 15px 15px 0 0;
    width: 395px;
    height: auto !important;
}

#bo_gall .bo_cnt {
    display: -webkit-box;
    /* 박스 모델, flexbox와 다름 */
    -webkit-line-clamp: 1;
    /* 보여줄 최대 줄 수 */
    -webkit-box-orient: vertical;
    /* 세로 방향 박스 */
    overflow: hidden;
    /* 넘침 숨김 */
    text-overflow: ellipsis;
}

.bo_tit{
 display: inline-block;
  max-width: 22ch;        /* 8글자 정도 너비 제한 */
  white-space: nowrap;   /* 한 줄로 유지 */
  overflow: hidden;      /* 넘치는 텍스트 숨김 */
  text-overflow: ellipsis; /* 말줄임표 표시 */
}
/* 반응형 디자인 */

@media screen and (max-width: 1280px) and (orientation: landscape) {
    .inner-text-title {
        top: 235px;
    }
    #from_name,
    #phone_num,
    #from_email,
    #subject,
    #content {
        width: 99%;
        margin-top: 11px;
    }
    .quick-wrap {
        display: none;
    }
    .quick_section {
        height: 1866px;
        padding-top: 313px;
    }
    .header-content {
        width: 90%
    }
    .section-title {
        width: 100%
    }
    .performance-subtitle-anim,
    .info-boxes-subtitle-anim,
    .project-subtitle-anim,
    .youtube-subtitle-anim,
    .contact-subtitle-anim {
        width: 100%
    }
    .green-partner-wrap {
        width: 91%
    }
    .green-partner-texts {
        width: 99%
    }
    img.bounce {
        display: block;
        margin: 0 auto;
        margin-top: 92px;
    }
    .email_content {
        width: 83%;
        float: unset;
        margin-top: 0px;
        margin-right: 0px;
    }
    .green-partner-img {
        margin-top: 3px
    }
    .quick-ask-wrapper {
        width: 100%;
        display: flex;
        margin-top: 335px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .nav {
        display: none
    }
    img.bounce {
        width: 40%;
        margin-top: 80px;
        float: unset;
    }
}

@media (max-width: 1024px) {
    #bo_gall .gall_text_href {
    padding: 0 10px;
    }
 	#bo_gall .gall_con{
	height: 358px;
	}
    #wrapper{top:-8px;}
	.tab_menu_wrap {
     margin-top: 12px !important;
    }
    .quick-wrap {
        display: none
    }
    .green-partner-img {
        width: 100%;
        padding: 30px 145px;
        margin: 0 auto;
        margin-top: 10px;
    }
    .top_title_wrapper {
        margin-top: -69px;
    }
    .lnb_submenu {
        display: none
    }
    .main_contents img {
        width: 100% !important;
        margin-left: 0px;
        margin-top: 54px
    }
    .main_contents {
        width: 100% !important;
        width: 100% !important
    }
    .b1 {
        width: 48%;
        height: 246px;
        margin-right: 8px !important;
        float: left;
    }
    footer {
        margin-top: 113px
    }
    .top_title_wrapper {
        margin-top: -78px !important
    }
    .intro_content_wrap {
        width: 100% !important
    }
    .quick-wrap {
        display: none
    }
    #container_title {
        width: 100%
    }
    #container {
        width: 100% !important
    }
    #bo_gall {
        margin: 0 auto;
        width: 96% !important;
    }
    .b1_wrap {
        width: 103% !important;
		margin-left:0px !important;
    }
    .b1_img {
        display: none
    }
    .b2 {
        width: 100% !important;
        margin-right: 0 !important
    }
    .stage {
        width: 100% !important;
        height: 441px;
    }
    .stage-container {
        padding-top: 215px;
        height: 900px;
    }
    #bo_gall .gall_img img,
    #bo_gall .gall_img video {
        width: 100% !important;
    }
    #bo_gall .gall_img {
        height: 199px !important
    }
    .intro_txt {
        width: 100% !important
    }
    .intro_txt img {
        width: 100%!important
    }
    .main-visual-content h1 {
        font-size: 3.5em;
    }
    .stage-container {
        padding-top: 163px;
    }
    .menu.active {
        background-color: #fff;
        margin-top: 13px;
    }
    .menu {
        margin-top: 6px;
        width: 100%
    }
    .menu>li {
        width: 100%;
    }
    .main-visual-content h1 {
        font-size: 4em;
    }
    .green-partner-section {
        height: 502px !important
    }
    .info-boxes-section {
        margin-top: 412px !important
    }
    .info-box {
        width: 33%;
        min-width: unset
    }
    .stage-container {
        padding-top: 149px !important;
    }
    #smooth-wrapper {
        margin-top: -11px;
        z-index: 0
    }
    .tab_menu_wrap {
        width: 77% !important
    }
    .tab_menu {
        width: 21.3% !important
    }
    .intro_content_wrap {
        margin-top: 44px !important
    }
    .intro_line {
        width: 90%;
        height: 1px;
        margin-left: 23px;
        margin-top: 6px;
    }
    .intro_content_txt {
        width: 50%;
        height: 141px;
        margin-top: 10px;
    }
    .intro_content_txt p:nth-child(1) {
        padding: 3px 23px !important;
        font-size: 18px
    }
	
}

@media (max-width: 912px) {
   .performance-subtitle-anim, .info-boxes-subtitle-anim, .project-subtitle-anim, .youtube-subtitle-anim, .contact-subtitle-anim {
    width:100%;
   }
   #bo_gall .gall_li {
        height: 280px;
	}
   #bo_list{margin:0px}
   .top_title_wrapper {
    margin-top: -86px !important;
   }
   #bo_gall .gall_text_href{
     padding:8px;
    }
	#bo_gall .gall_info{padding-left:18px;}
    .inner-text-title {
    top: 144px !important;
    }
    .nav {
        display: block
    }
    #mainHeader {
        display: none
    }
	#submenu_btn{display:block !important}
    .hamburger {
        display: flex;
        align-items: end;
        float: right;
        margin: 3px 12px;
    }
    .info-box {
        border-radius: 14px
    }
    #mainHeader {
        display: none;
    }
    .hamburder {
        display: block
    }
    .container {
        width: 100%
    }
    .tab_menu_wrap {
        width: 89%!important;
        margin-top: 6px;
    }
    .tab_menu {
        width: 24.3% !important;
		margin-top:3px !important;
    }
    .header-content {
        padding: 0 20px
    }
    .main_contents {
        width: 98%;
        margin-top: -23px;
        margin-left: 0px;
    }
    .left_sub_menu {
        width: 100% !important
    }
    .intro_txt {
        width: 99%;
        font-size: 13px;
        line-height: 1.9em
    }
    .intro_txt p {
        padding: 3px 23px !important
    }
    .intro_title {
        line-height: 1.3em
    }
    .intro_txt img {
        width: 100% !important
    }
    #container {
        width: 96% !important;
    }
    #bo_gall .gall_img img,
    #bo_gall .gall_img video {
        width: 100% !important
    }
    #container {
        width: 94% !important;
    }
    .section-title {
        width: 100%
    }

    .menu {
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        transition: max-height 0.45s ease, opacity 0.45s ease;
        opacity: 0;
        padding-left: 0;
    }
    .menu.active {
        max-height: 600px;
        /* 충분히 크게 */
        opacity: 1;
        padding-bottom: 12px;
        margin-top: 6px;
    }
    .menu>li {
        margin: 0;
        border-bottom: 1px solid #eee;
        border-radius: 0;
    }
    .menu>li:last-child {
        border-bottom: none;
    }
    .menu>li>a {
        padding: 16px 24px;
        font-weight: 700;
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #333;
    }
    /* 서브메뉴 */
    .submenu {
        position: static;
        max-height: 0;
        opacity: 1 !important;
        visibility: visible !important;
        box-shadow: none;
        background: transparent;
        transform: none;
        overflow: hidden;
        transition: max-height 0.35s ease;
        padding-left: 12px;
    }
    .submenu.expanded {
        max-height: 360px;
    }
    .submenu li a {
        padding-left: 32px;
        color: #555;
        font-weight: 500;
        border-radius: 12px;
    }
    .menu.active {
        width: 100%;
        margin-top: 6px
    }
    .menu>li {
        width: 100%;
    }
    /* 서브메뉴 토글 화살표 */
    .menu>li>a::after {
        content: "▶";
        transform: rotate(0deg);
        transition: transform 0.3s ease;
        user-select: none;
    }
    .menu>li.expanded>a::after {
        transform: rotate(90deg);
    }
	#bo_gall .gall_li {
	 margin-top: 15px;
    }
	    #bo_gall .gall_img {
        height: 150px !important;
    }
	    #bo_gall .gall_con {
        height: 275px;
    }

}
@media (max-width: 853px){
 .menu {
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        transition: max-height 0.45s ease, opacity 0.45s ease;
        opacity: 0;
        padding-left: 0;
    }
    .menu.active {
        max-height: 600px;
        /* 충분히 크게 */
        opacity: 1;
        padding-bottom: 12px;
        margin-top: 6px;
    }
    .menu>li {
        margin: 0;
        border-bottom: 1px solid #eee;
        border-radius: 0;
    }
    .menu>li:last-child {
        border-bottom: none;
    }
    .menu>li>a {
        padding: 16px 24px;
        font-weight: 700;
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #333;
    }
    /* 서브메뉴 */
    .submenu {
        position: static;
        max-height: 0;
        opacity: 1 !important;
        visibility: visible !important;
        box-shadow: none;
        background: transparent;
        transform: none;
        overflow: hidden;
        transition: max-height 0.35s ease;
        padding-left: 12px;
    }
    .submenu.expanded {
        max-height: 360px;
    }
    .submenu li a {
        padding-left: 32px;
        color: #555;
        font-weight: 500;
        border-radius: 12px;
    }
    .menu.active {
        width: 100%;
        margin-top: 6px
    }
    .menu>li {
        width: 100%;
    }
    /* 서브메뉴 토글 화살표 */
    .menu>li>a::after {
        content: "▶";
        transform: rotate(0deg);
        transition: transform 0.3s ease;
        user-select: none;
    }
    .menu>li.expanded>a::after {
        transform: rotate(90deg);
    }
}
@media (max-width: 820px) {
    #bo_gall .gall_info {
        padding-left: 8px;
    }
    #bo_gall .bo_tit {
        line-height: 1.4em
    }
    #bo_list {
        width: 100%
    }
    #bo_gall .gall_box {
        margin: 0 0 22px 0
    }
    #bo_gall .gall_text_href a {
        font-size: 1.1em
    }
    #bo_gall .bo_cnt {
        font-size: 0.9em;
        margin-top: 14px;
    }
    .tab_menu_section {
        margin-top: 33px
    }
    .tab_menu {
        font-size: 20px !important;
        margin-top: 8px !important
    }
    .tab_menu_wrap {
        width: 80% !important;
        margin-top: 7px;
    }
    .performance-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        /* 3열 고정 */
        gap: 11px;
        margin-top: 45px;
    }
	img.bounce{
	 width:40%:
	 display:flex;
	 margin:0 auto;
	}
    .email_content {
        width: 91%;
		display:flex;
		margin: 0 auto;
    }
    .green-partner-title {
        font-size: 29px;
    }
    .subj {
        width: 100%;
        padding-left: 16px;
    }
    .green-partner-texts {
        width: 100%;
        font-size: 14px;
    }
    .green-partner-wrap {
        width: 100%;
        padding: 28px
    }
    .green-partner-title {
        width: 100%
    }
    .green-partner-section {
        padding-top: 0px;
    }
    #from_name,
    #phone_num,
    #from_email,
    #subject,
    #content {
        width: 86%;
    }
    .performance-subtitle-anim,
    .info-boxes-subtitle-anim,
    .project-subtitle-anim,
    .youtube-subtitle-anim,
    .contact-subtitle-anim {
        width: 67%;
        font-size: 1.3em;
    }
    .green-partner-section {
        height: 501px !important
    }
    .info-boxes-section {
        margin-top: 53px !important
    }
    .info-box {
        width: 33%;
        min-width: unset
    }
    .stage-container {
        padding-top: 149px !important;
    }
    .performance-section {
        height: 100%
    }
    .info-box img {
        height: 153px
    }
    .info-box-content {
        padding: 13px
    }
    .info-box-content .btn {
        margin-top: -3px;
    }
    .slider-item {
        width: 30%;
        height: 310px;
    }
    .slider-item img {
        width: 100%;
        height: 212px;
    }
    .quick_section {
        height: 1547px
    }
    .quick-ask-wrapper {
        width: 100%;
		display:block;
    }
    .email_content {
        border-radius: 25px
    }
    footer {
        margin-top: 11px;
    }
    .footer-wrap {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center
    }
    .footer img {
        width: 160px;
        height: 230px;
    }
    .business-num {
        float: left;
        text-align: right;
    }
    .contact {
        float: left;
        margin-left: 7px;
    }
    footer img {
        margin-bottom: 0px
    }
}

@media (max-width: 768px) {
   .file_input_div label{
        margin-left: 96px !important;
   }
    #bo_gall .gall_text_href {
        padding: 8px;
		margin:0px;
    }
    .inner-text-title {
      top: 187px !important;
    }
    #bo_list {
        margin: 0px
    }
    .tab_menu_wrap {
        margin-top: 12px
    }
    .header-content {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
    }
    .performance-item-info {
        padding: 16px;
    }
    .performance-item img {
        height: 133px;
    }
    .info-box-content h3 {
        font-size: 1.4em;
        margin-bottom: 6px;
    }
    .performance-item-info h3 {
        font-size: 1.2em
    }
    .info-box-content .btn {
        padding: 0px 28px;
        height: 37px;
        font-size: 1.1em;
    }
    .main-visual-content {
        white-space: normal;
        /* 줄바꿈 허용 */
        word-wrap: break-word;
        /* 긴 단어도 줄바꿈 */
        word-break: break-word;
    }
    .logo {
        margin-bottom: 15px;
    }
    img.bounce {
        display: block;
        margin: 0 auto;
        margin-top: 92px;
        float: unset;
    }
    .email_content {
        float: unset;
        margin: 0 auto;
        display: block
    }
    #mainHeader {
        display: none;
    }
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    nav ul li {
        margin: 0 10px 5px;
    }
    .main-visual-content h1 {
        font-size: 4em;
        line-height: 1.1em;
        margin-top: 147px;
    }
    .main-visual-content p {
        font-size: 1.2em;
        margin-top: 10px;
    }
    .main-visual-buttons {
        flex-direction: row;
        width: 100%;
        align-items: center;
    }
    .main-visual-buttons2 {
        flex-direction: row;
    }
    .main-visual-buttons .btn {
        width: 80%;
        margin: 0 auto 10px;
    }
    .performance-grid,
    .info-boxes-grid {
        gap: 10px
    }
    .info-box-content p {
        font-size: 1em;
    }
    .info-box {
        max-width: 100%;
    }
    /* 그리드 아이템에서는 float 절대 제거! */
    .performance-item {
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        transition: transform 0.3s ease;
        opacity: 1;
        /* float: left; -> 삭제 */
        /* width: 45%; -> 지우거나 필요 시 조절 */
        transform: translateY(50px);
        /* 필요한 애니메이션 유지 */
    }
}

@media (max-width: 540px) {
    .intro_content_txt p:nth-child(1) {
       font-size: 21px !important;
	}
	.intro_content_txt{margin-bottom: 44px;}
	.intro_txt p {
      font-size:0.75em;
	 }

    .tab_menu_wrap {
        width: 112% !important;
	}
    .email_content {
     float: unset;
     margin: 0 auto;
     display: block;
    }
	.green-partner-img {
	 width:96%;
     padding:2px 66px;
	 margin-top:10px;
   }
   .green-partner-wrap{
    padding: 88px 26px;
   }
   .green-partner-title {
        width: 100%;
    }
  .quick_section {
        height: 1733px;
    }
	.contact_title{padding: 5px 0px;}
   .performance-item-info {
        padding: 8px;
    }
	.performance-item-info h3{
	 line-height:1.3em;
	}
	#from_name, #phone_num, #from_email, #subject, #content {
        width: 99%;
    }
	.file_input_div{width:100%}
	#fileName1{width:70%;height:49px}
    .inner-text-title {
        top: 243px !important;
    }
    .file_input_div label{margin-left:61px !important}
    .performance-item-info p{letter-spacing:-0.1em;}
    .main-visual-buttons {
        flex-direction: column;
        width: 100%;
        align-items: center;
        gap: 0px;
    }
    .email_content {
        border-radius: 20px
    }
    .info-box img {
        height: 114px;
    }
    .info-box-content {
        padding: 8px;
        height: 142px;
    }
    .info-box-content p {
        font-size: 1em;
        margin-bottom: 13px;
        line-height: 1.4em;
    }
    .info-box-content .btn {
        padding: 0px 25px;
        height: 37px;
    }
    .info-box-content h3 {
        margin-bottom: 2px;
    }
    .info-boxes-section {
        height: 600px
    }
    .info-box {
        height: 255px;
    }
    .info-box-content .btn {
        font-size: 1em
    }
    .slider-item {  
        width: 49%;
        margin-top: -119px;
        height: 316px;
        margin: 144px 7px 0 7px;
    }
    .section-title {
        margin-top: 3px
    }
    .project_section {
        height: 800px;
    }
	.green-partner-wrap {
        width: 100%;
        padding: 88px 26px;
	}
    .performance-subtitle-anim,
    .info-boxes-subtitle-anim,
    .project-subtitle-anim,
    .youtube-subtitle-anim,{
        width: 98%;
    }
	.contact-subtitle-anim {
        width: 78%;
    }
    .info-boxes-grid {
        gap: 12px;
        margin-top: -6px;
    }
    .green-partner-texts {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .main-visual-content h1 {
        font-size: 2.2em;
    }
    .main-visual-content p {
        font-size: 1em;
    }
    .section-title {
        font-size: 2em;
    }
	.tab_menu_wrap{width: 54% !important;}
}

@media (max-width: 430px) {
 .intro_txt p {
   line-height: 1.8em !important;
 }
.b1:nth-child(2),.b1:nth-child(4){margin-right:0 !important}
.intro_content_txt{margin-left: 9px !important;}
.intro_content_txt p:nth-child(1){
  font-size:17px !important;
}
.intro_content_txt{height:123px !important;}
.b2{height:203px !important}
.b1{width: 48.9% !important;height:202px !important}
.card{width:100vw !important;}
.green-partner-wrap{
  padding: 30px 26px;
}
.slider-track{
 height: 41%;
 margin-top: 39px;
}
.green-partner-img{
 margin-top: 39px;
}
.slider-item {
 width: 35%;
 height: 187px;
 margin: 0 7px;
} 
.project_section {
  height: 622px;
}
#wrapper{top:-19px !important}
.tab_menu{font-size:13px !important}
.inner-text-title {
 top: 109px !important;
 font-size: 40px;
}
.file_input_div label{
 width: 167px !important;
 height: 51px !important;
 left: -39px;
}
#bo_gall .gall_li {
        height: 277px;}
.intro_title{
padding-left:0px !important;
margin-top:38px;
}
.intro_content_wrap {
 width: 100% !important;
 margin-top: 12px !important;
}
.tbl_head01{font-size:0.75em;}
.tab_menu_wrap{
 width:98% !important
}
#bo_cate {
    margin: 12px 0;
}
#bo_gall .gall_info{font-size: 11px;}
#bo_gall .gall_img {height: 120px !important;}
#bo_cate li{
 padding: 2px;
 height:unset;
 margin:0px;
}
.gall_row .box_clear{clear:none;}
.gall_row .col-gn-4{width:50%}
.gall_row .col-gn-3{width:50%;}
#container_title{height: 12px;}
#bo_cate a{font-size:0.8em;padding: 0px 17px;}
.b1_wrap{width:100% !important;margin-left:0px !important;margin-top:35px !important;height:414px !important}
.top_title_wrapper{
	 height:335px !important;
	}
    .performance-grid {
        gap: 9px;
        margin-top: 14px;
    }
    .performance-item img {
        width: 100%;
        height: 84px;
    }
    .performance-item-info {
        padding: 10px
    }
    .performance-item-info h3 {
        font-size: 0.9em;
        line-eight: 1.5em;
        letter-spacing: -0.004em;
    }
    .performance-item-info p {
        font-size: 0.8em;
        letter-spacing: -0.03em;
    }
    .info-box {
        height: 184px;
    }
    .info-box img {
        height: 71px;
    }
    .info-box-content {
        padding: 3px;
        height: 114px;
    }
    .info-box-content h3 {
        font-size: 1.1em;
        margin-top: 4px
    }
    .info-box-content p {
        font-size: 0.8em;
        margin-bottom: 13px;
        line-height: 1.4em;
    }
    .info-box-content .btn {
        font-size: 0.9em;
        height: 35px;
    }

    .slider-item img {
        height: 110px;
    }
    .subj {
        font-size: 0.9em;
        width: 100%;
		padding-left: 9px;
    }
    .lt_date {
        width: 100%;
        font-size: 13px;
		padding-left:8px;
    }
    .green-partner-section {
        padding-top: 77px;
    }
    .green-partner-img {
        margin-top: 24px;
    }
    .green-partner-img {
        margin-top: 24px;
		padding: 2px 4px;

    }
    .green-partner-section {
        height: 652px !important;
    }
    .stage-container {
        height: 825px;
        padding-top: 131px !important;
    }
	.stage{height:403px}
    .card {
        height: 226px;
        width: 400px
    }
    .performance-subtitle-anim,
    .info-boxes-subtitle-anim,
    .project-subtitle-anim,
    .contact-subtitle-anim {
        width: 98%;
        padding: 20px;
        font-size: 1.3em;
    }
    img.bounce {
        width: 69%;
    }
    .email_content {
        margin-top: 53px;
    }
    .email_box {
        width: 100%;
        padding: 20px
    }
    .file_input_div {
        width: 100%;
        margin-top: 9px;
    }
    #fileName1 {
        width: 99%;
        height: 39px;
        margin-bottom: 14px;
    }
    .file_input_button,
    .cancel-button {
        width: 48%;
        height: 49px;
        float: left;
    }
    .blog_title {
        text-align: center;
        margin: 0px;
        font-size: 22px;
    }
    .quick_section {
        height: 1498px;
    }
    input[type="submit"] {
        border-radius: 30px;
    }
    #from_name,
    #phone_num,
    #from_email,
    #subject,
    #content {
        width: 100%;
        margin-bottom: 1px;
    }
    .wrd {
        margin-top: 75px;
    }
    .green-partner-title {
        font-size: 23px;
        line-height: 1.3em;
        width: 89%;
    }
    .green-partner-texts {
        width: 100%;
    }
    .green-partner-img {
        margin-top: 24px;
        width: 100%;
    }
    .youtube-subtitle-anim {
        width: 83%;
        padding: 20px;
        font-size: 1.3em;
    }
}

@media (max-width: 414px) {
   #bo_gall .gall_img{height: 109px !important;}
   #bo_gall .gall_info {
        font-size: 10px;
    }
    .subj {
        font-size: 0.9em;
        width: 100%;
    }
    .lt_date {
        padding-left: 7px;
    }
    img.bounce {
        margin-top: 46px;
    }
    .performance-item img {
        height: 89px;
    }
    .info-box-content .btn {
        border-radius: 27px;
    }
    .subj {
        padding-left: 7px;
    }
	#bo_gall .gall_con {
        height: 216px !important;
    }
	#bo_gall .gall_li {
        height: 220px !important;
    }
	#bo_gall .gall_info {
        font-size: 7px;
    }
	footer p, footer a{font-size: 10px !important}
}

@media (max-width: 390px) {
    
    .intro_content_txt p:nth-child(1){font-size: 16px !important}
    .performance-item-info h3 {
        font-size: 0.8em;
    }
    #bo_gall .gall_info {
        font-size: 9px;
    }
    .main-visual-content h1 {
        font-size: 35px;
        text-align: center;
    }
	#bo_gall .gall_li {
        height: 247px;
    }
	#bo_gall .gall_con {
        height: 247px;
    }
	#bo_gall .gall_img {
        height: 39% !important;
    }
	.green-partner-title{
	    width: 94%;
	}
}

@media (max-width:375px) {
   .intro_content_txt p:nth-child(1){font-size: 15px !important}
   .intro_title{font-size: 22px !important;}
   .b1_wrap{height:327px !important}
   .b1{width:48.5% !important;height:158px !important}
   .b2{height:159px !important}
    .performance-item-info p {
        font-size: 0.7em;
    }
    .performance-item-info h3 {
        font-size: 0.8em;
    }
    .performance-item-info {
        padding: 8px;
    }
    .performance-subtitle-anim,
    .info-boxes-subtitle-anim,
    .project-subtitle-anim,
    .contact-subtitle-anim {
        padding: 11px;
    }
    .info-boxes-grid {
        gap: 5px
    }
    .info-box {
        height: 184px;
    }
    .info-box-content .btn {
        font-size: 0.8em
    }
    .main-visual-content h1 {
        font-size: 32px;
    }
    .performance-subtitle-anim,
    .info-boxes-subtitle-anim,
    .project-subtitle-anim,
    .contact-subtitle-anim {
        font-size: 1.1em;
    }
}

@media (max-width:360px) {
    .info-box img {
        height: 93px;
    }
    .info-box-content {
        padding: 3px;
        height: 114px;
    }
    .info-box {
        height: 212px;
    }
    .info-box-content p {
        margin-top: 6px;
        font-size: 0.7em;
    }
    .info-box-content .btn {
        border-radius: 14px;
    }
    .slider-item {
	    width: 42%;
        height: 185px;
    }
    .green-partner-title {
        width: 96%;
    }
    input[type="submit"] {
        border-radius: 24px;
        height: 57px
    }
    .subj {
        padding-left: 4px;
    }
}

@media (max-width: 344px) {
    .inner-text-title {
        top: 123px !important;
    }
	 #bo_gall .gall_info {
        font-size: 7px;
    }
	.intro_content_txt p:nth-child(1){
	 font-size:14px !important;
	}
	.intro_content_txt {
     height: 131px !important;
	 font-size: 15px;
    }
	footer p, footer a {
        font-size: 9px !important;
    }
}