/* 폰트 임포트 */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 헤더 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.3s;
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.header_inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 20px;
    color: #4A90E2;
    margin-bottom: 5px;
}

.logo p {
    font-size: 12px;
    color: #666;
}

.mobile_menu_btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #4A90E2;
    cursor: pointer;
}

.gnb_list {
    display: flex;
    gap: 30px;
}

.gnb_list > li {
    position: relative;
}

.gnb_list > li > a {
    font-weight: 500;
    color: #333;
    padding: 10px 0;
    transition: color 0.3s;
}

.gnb_list > li > a:hover {
    color: #4A90E2;
}

.gnb_depth2 {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    min-width: 180px;
    padding: 10px 0;
    display: none;
}

.gnb_depth2 li {
    padding: 0;
}

.gnb_depth2 a {
    display: block;
    padding: 10px 20px;
    color: #666;
    transition: all 0.3s;
}

.gnb_depth2 a:hover {
    background: #f5f5f5;
    color: #4A90E2;
    padding-left: 25px;
}

/* 메인 비주얼 슬라이더 */
.main_visual {
    margin-top: 80px;
    height: 600px;
    position: relative;
    overflow: hidden;
}

.slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: scroll;
}

.slide.active {
    opacity: 1;
}

.slide.bg1 {
    background: linear-gradient(135deg, #4A90E2 0%, #10B981 100%);
    background-image: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=1920&h=1080&fit=crop');
}

.slide.bg2 {
    background: linear-gradient(135deg, #F97316 0%, #EC4899 100%);
    background-image: url('https://images.unsplash.com/photo-1503454537195-1dcabb73ffb9?w=1920&h=1080&fit=crop');
}

.slide.bg3 {
    background: linear-gradient(135deg, #10B981 0%, #4A90E2 100%);
    background-image: url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?w=1920&h=1080&fit=crop');
}

.slide.bg4 {
    background: linear-gradient(135deg, #8B5CF6 0%, #4A90E2 100%);
    background-image: url('https://images.unsplash.com/photo-1529156069898-49953e39b3ac?w=1920&h=1080&fit=crop');
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.2);
}

.visual_content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
    color: #fff;
    width: 100%;
    padding: 0 20px;
}

.visual_title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s;
}

.visual_subtitle {
    font-size: 28px;
    margin-bottom: 15px;
    animation: fadeInUp 1s 0.2s both;
}

.visual_desc {
    font-size: 18px;
    animation: fadeInUp 1s 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 섹션 공통 */
.section {
    padding: 80px 0;
}

.section_title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #4A90E2;
    position: relative;
    padding-bottom: 20px;
}

.section_title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #4A90E2;
}

.section_subtitle {
    text-align: center;
    font-size: 20px;
    color: #666;
    margin-bottom: 50px;
    font-weight: 400;
}

/* 센터 소개 */
.about_section {
    background: linear-gradient(to bottom, #f0f9ff 0%, #ffffff 100%);
    padding-top: 0;
}

.about_content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about_text p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #555;
}

.intro_text {
    font-size: 18px;
    font-weight: 500;
    color: #4A90E2;
}

.about_image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.about_stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    padding-top: 40px;
    border-top: 2px solid #e8e8e8;
}

.stat_item {
    text-align: center;
    flex: 1;
}

.stat_number {
    font-size: 42px;
    font-weight: 700;
    color: #4A90E2;
    margin-bottom: 10px;
}

.stat_label {
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

/* 센터 안내 */
.center_intro {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(to bottom, #ffffff 0%, #f0f9ff 100%);
}

.title01 {
    font-size: 24px;
    color: #4A90E2;
    letter-spacing: 3px;
    margin-bottom: 10px;
    font-weight: 300;
}

.title02 {
    font-size: 36px;
    color: #333;
    font-weight: 700;
    margin-bottom: 50px;
}

.center_intro_content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.intro_description {
    font-size: 18px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.intro_features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature_item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.feature_item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.feature_item i {
    font-size: 48px;
    color: #4A90E2;
    margin-bottom: 20px;
}

.feature_item h4 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 700;
}

.feature_item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 메인 프로그램 */
.main_programs {
    padding: 80px 0 40px 0;
    background: #fff;
}

.main_programs .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.mainprog01, .mainprog02, .mainprog03, .mainprog04 {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: 10px;
    transition: all 0.3s;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    border: 1px solid #e8e8e8;
}

.mainprog01:hover, .mainprog02:hover, .mainprog03:hover, .mainprog04:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-color: #4A90E2;
}

.mainprog01 a, .mainprog02 a, .mainprog03 a, .mainprog04 a {
    color: inherit;
    text-decoration: none;
    display: block;
}

.prog-icon {
    font-size: 48px;
    color: #4A90E2;
    margin-bottom: 20px;
}

.dain_title01, .dain_title03 {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
    font-weight: 400;
}

.dain_title02, .dain_title04 {
    font-size: 20px;
    color: #333;
    font-weight: 700;
    margin-top: 5px;
}

/* 주요 프로그램 */
.programs_section {
    padding: 80px 0;
    background: linear-gradient(to bottom, #f0f9ff 0%, #ffffff 100%);
}

.programs_grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.program_item {
    text-align: center;
    background: #fff;
    padding: 40px 25px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    border: 1px solid #e8e8e8;
    transition: all 0.3s;
}

.program_item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
    border-color: #4A90E2;
}

.program_icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.2);
    transition: all 0.3s;
}

.program_icon:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
    background: linear-gradient(135deg, #4A90E2 0%, #10B981 100%);
}

.program_icon:hover i {
    color: #fff !important;
}

.program_icon i {
    font-size: 40px;
    color: #4A90E2;
}

.program_icon a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.program_item h4 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin: 20px 0 15px;
}

.program_item h4 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
    display: block;
}

.program_item h4 a:hover {
    color: #4A90E2;
}

.program_item p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin-top: 10px;
    min-height: 80px;
}

.program_item span {
    display: block;
    margin-top: 15px;
    font-weight: 500;
    color: #333;
}

.program_item a {
    color: #333;
    transition: color 0.3s;
}

.program_item a:hover {
    color: #4A90E2;
}

/* 배너 섹션 */
.banner_section {
    padding: 100px 0;
    background: linear-gradient(135deg, #4A90E2 0%, #10B981 100%);
    color: #fff;
    text-align: center;
}

.banner_content h3 {
    font-size: 24px;
    letter-spacing: 3px;
    margin-bottom: 20px;
    font-weight: 300;
}

.banner_content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 40px;
}

.banner_content h1 span {
    color: #10B981;
}

.banner_box {
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 10px;
    margin: 40px auto;
    max-width: 900px;
}

.banner_box ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.banner_box li {
    padding: 10px 20px;
    background: rgba(255,255,255,0.2);
    border-radius: 25px;
    font-size: 16px;
}

.banner_content p {
    font-size: 18px;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* 주요 사업 */
.services_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service_item {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.service_item:hover {
    transform: translateY(-10px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
}

.service_icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #4A90E2, #10B981);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 32px;
}

.service_item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.service_item p {
    color: #666;
    line-height: 1.6;
}

/* 심벌 섹션 */
.symbol_section {
    background: #f9f9f9;
}

.symbol_content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.symbol_item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.symbol_item h3 {
    font-size: 18px;
    color: #4A90E2;
    margin-bottom: 15px;
}

.symbol_item p {
    color: #666;
    line-height: 1.6;
}

/* 정보 섹션 */
.info_section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: #fff;
    padding: 60px 0;
}

.info_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.info_links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info_link_item {
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    color: #333;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.info_link_item:hover {
    background: #4A90E2;
    color: #fff;
    transform: translateX(5px);
}

.info_link_img {
    width: auto;
    height: 70px;
    max-width: 150px;
    object-fit: contain;
    flex-shrink: 0;
}

.info_link_item span {
    flex: 1;
    text-align: left;
}

.info_box h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: #10B981;
}

.notice_list li {
    padding: 15px 0;
    border-bottom: 1px solid #444;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notice_list a {
    color: #fff;
    transition: color 0.3s;
}

.notice_list a:hover {
    color: #10B981;
}

.notice_list span {
    color: #999;
    font-size: 14px;
}

.more_btn {
    display: inline-block;
    margin-top: 20px;
    color: #10B981;
    font-weight: 500;
    transition: all 0.3s;
}

.more_btn:hover {
    color: #fff;
    transform: translateX(5px);
}

.contact_info {
    line-height: 2;
}

.contact_info .tel {
    font-size: 28px;
    font-weight: 700;
    color: #10B981;
    margin-bottom: 20px;
}

.contact_info .email {
    margin-top: 20px;
    color: #10B981;
}

/* 푸터 */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: #e2e8f0;
    padding: 40px 0;
}

.footer_content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.footer_logo h3 {
    color: #60a5fa;
    margin-bottom: 10px;
}

.footer_logo p {
    font-size: 14px;
}

.footer_info p {
    margin-bottom: 10px;
    line-height: 1.8;
}

.copyright {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #333;
    font-size: 12px;
}

/* 관련기관 배너 */
.partner_banner_section {
    background: #f5f5f5;
    padding: 40px 0;
    border-top: 1px solid #e0e0e0;
}

.partner_banner_wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.partner_banner {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: 300px;
}

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

.partner_banner .partner_text {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.partner_logo {
    flex-shrink: 0;
}

.partner_logo_img {
    width: auto;
    height: 60px;
    max-width: 120px;
    object-fit: contain;
    display: block;
}

/* 상단 이동 버튼 */
.go_top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #4A90E2;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

.go_top.show {
    opacity: 1;
    visibility: visible;
}

.go_top:hover {
    background: #10B981;
    transform: translateY(-5px);
}

/* 공지사항 페이지 */
.notice_page {
    margin-top: 80px;
    padding: 60px 0;
}

.page_title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #4A90E2;
}

.notice_content {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.notice_content img {
    width: 100%;
    margin: 30px 0;
    border-radius: 10px;
}

.notice_content h2 {
    font-size: 28px;
    color: #333;
    margin: 30px 0 20px;
}

.notice_content p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

/* 섹션 공통 스타일 */
.content_section {
    padding: 80px 0;
    scroll-margin-top: 100px;
}

section[id] {
    scroll-margin-top: 100px;
}

.content_section h2 {
    font-size: 36px;
    color: #4A90E2;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid #4A90E2;
    text-align: center;
}

.content_section h3 {
    font-size: 28px;
    color: #333;
    margin: 40px 0 20px;
}

.content_section p {
    line-height: 2;
    color: #555;
    margin-bottom: 20px;
    font-size: 16px;
}

/* 인사말 섹션 */
.greeting_box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 50px;
    border-radius: 15px;
    margin-bottom: 60px;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.15);
}

.greeting_content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.greeting_image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.greeting_image:hover {
    transform: translateY(-5px);
}

.greeting_image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    min-height: 500px;
}

.greeting_image .image_overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
    padding: 30px;
    color: #fff;
}

.greeting_image .image_overlay p {
    margin: 0;
    font-size: 14px;
    font-weight: 300;
}

.greeting_text {
    flex: 1;
}

.greeting_text p {
    margin-bottom: 20px;
    line-height: 2;
    color: #555;
    font-size: 16px;
}

.greeting_text p:first-child {
    font-weight: 600;
    color: #333;
    font-size: 18px;
}

.greeting_signature {
    font-size: 18px !important;
    line-height: 1.8 !important;
    color: #4A90E2 !important;
    font-weight: 500 !important;
    margin-top: 30px !important;
}

/* 대표 약력 */
.director_info {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 50px;
    margin-bottom: 50px;
    align-items: start;
}

.director_photo {
    text-align: center;
}

.director_photo img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.director_details h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #4A90E2;
    text-align: left;
}

.director_details h3 {
    font-size: 20px;
    color: #4A90E2;
    margin: 30px 0 15px;
}

.director_details p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
}

.director_details ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 20px;
}

.director_details li {
    line-height: 1.8;
    color: #555;
    margin-bottom: 10px;
}

/* 연혁 */
.history_timeline {
    position: relative;
    padding-left: 40px;
    margin: 40px 0;
}

.history_timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #4A90E2;
}

.history_item {
    position: relative;
    padding: 30px;
    margin-bottom: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
}

.history_item::before {
    content: '';
    position: absolute;
    left: -47px;
    top: 35px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #4A90E2;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px #4A90E2;
}

.history_year {
    font-size: 24px;
    font-weight: bold;
    color: #4A90E2;
    margin-bottom: 15px;
}

.history_content {
    line-height: 1.8;
    color: #555;
}

.history_content p {
    margin-bottom: 15px;
}

/* 조직도 */
.organization_chart {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    margin: 40px 0;
}

.org_level {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
}

.org_item {
    background: #4A90E2;
    color: #fff;
    padding: 20px 40px;
    border-radius: 8px;
    margin: 0 10px;
    font-weight: bold;
    min-width: 200px;
    text-align: center;
}

.org_level.sub {
    margin-top: 40px;
}

.org_level.sub .org_item {
    background: #10B981;
    min-width: 150px;
    padding: 15px 30px;
}

/* 오시는 길 섹션 */
.location_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 40px 0;
}

.location_info_box {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.location_info_title {
    font-size: 24px;
    color: #4A90E2;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #4A90E2;
}

.info_item {
    margin-bottom: 25px;
}

.info_item:last-child {
    margin-bottom: 0;
}

.info_label {
    display: block;
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.info_text {
    line-height: 1.8;
    color: #555;
    margin: 5px 0;
    font-size: 16px;
}

.map_container {
    background: #f9f9f9;
    padding: 0;
    border-radius: 10px;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.map_image {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    min-height: 500px;
}

.transport_info {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    margin-top: 30px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
}

.transport_title {
    font-size: 20px;
    color: #4A90E2;
    margin-bottom: 15px;
    font-weight: 600;
}

.transport_list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.transport_list li {
    padding: 12px 0;
    border-bottom: 1px solid #e8e8e8;
    color: #555;
    font-size: 16px;
    line-height: 1.6;
}

.transport_list li:last-child {
    border-bottom: none;
}

/* 반응형 */
@media (max-width: 1024px) {
    .main_programs .container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .programs_grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .symbol_content {
        grid-template-columns: 1fr;
    }
    
    .intro_features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about_stats {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    /* 터치 친화적 요소 크기 */
    * {
        -webkit-tap-highlight-color: rgba(74, 144, 226, 0.2);
    }
    
    .mobile_menu_btn {
        display: block;
        padding: 10px;
        min-width: 44px;
        min-height: 44px;
    }
    
    .gnb {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 85%;
        max-width: 320px;
        height: calc(100vh - 70px);
        background: #fff;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
        transition: left 0.3s;
        overflow-y: auto;
        z-index: 1001;
    }
    
    .gnb.active {
        left: 0;
    }
    
    .gnb_list {
        flex-direction: column;
        gap: 0;
    }
    
    .gnb_list > li {
        border-bottom: 1px solid #eee;
    }
    
    .gnb_list > li > a {
        display: block;
        padding: 18px 20px;
        font-size: 16px;
        min-height: 44px;
        line-height: 1.5;
    }
    
    .gnb_depth2 {
        position: static;
        box-shadow: none;
        background: #f0f9ff;
        display: none;
    }
    
    .gnb_list > li:hover .gnb_depth2,
    .gnb_list > li.active .gnb_depth2 {
        display: block;
    }
    
    .gnb_depth2 a {
        padding: 15px 30px;
        min-height: 44px;
        font-size: 15px;
    }
    
    .main_visual {
        height: 350px;
        margin-top: 70px;
    }
    
    .slide {
        background-size: cover;
        background-position: center center;
        background-attachment: scroll;
    }
    
    /* 모바일에서 이미지 최적화 */
    .slide.bg1 {
        background-image: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=800&h=600&fit=crop&q=80');
    }
    
    .slide.bg2 {
        background-image: url('https://images.unsplash.com/photo-1503454537195-1dcabb73ffb9?w=800&h=600&fit=crop&q=80');
    }
    
    .slide.bg3 {
        background-image: url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?w=800&h=600&fit=crop&q=80');
    }
    
    .slide.bg4 {
        background-image: url('https://images.unsplash.com/photo-1529156069898-49953e39b3ac?w=800&h=600&fit=crop&q=80');
    }
    
    .visual_title {
        font-size: 28px;
        margin-bottom: 15px;
        padding: 0 15px;
    }
    
    .visual_subtitle {
        font-size: 18px;
        padding: 0 15px;
    }
    
    .visual_desc {
        font-size: 16px;
        padding: 0 15px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section_title {
        font-size: 28px;
        margin-bottom: 30px;
        padding-bottom: 15px;
    }
    
    .section_subtitle {
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .main_programs .container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .mainprog01, .mainprog02, .mainprog03, .mainprog04 {
        padding: 30px 20px;
    }
    
    .programs_grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .program_item {
        padding: 30px 20px;
    }
    
    .program_icon {
        width: 80px;
        height: 80px;
    }
    
    .program_icon i {
        font-size: 32px;
    }
    
    .intro_features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature_item {
        padding: 30px 20px;
    }
    
    .about_stats {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 16px;
        justify-content: center;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 12px;
    }
    
    .about_stats .stat_item {
        flex: 0 0 auto;
        min-width: 140px;
        background: rgba(74, 144, 226, 0.08);
        border-radius: 12px;
        padding: 18px 16px;
    }
    
    .about_stats .stat_number {
        font-size: 30px;
    }
    
    .banner_section {
        padding: 60px 0;
    }
    
    .banner_content h1 {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .banner_content h3 {
        font-size: 18px;
    }
    
    .banner_box {
        padding: 30px 20px;
        margin: 30px auto;
    }
    
    .banner_box ul {
        flex-direction: column;
        gap: 10px;
    }
    
    .banner_box li {
        padding: 12px 18px;
        font-size: 14px;
    }
    
    .about_content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .services_grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .info_grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .info_link_item {
        padding: 12px;
        gap: 10px;
    }
    
    .info_link_img {
        height: 60px;
        max-width: 120px;
    }
    
    .info_link_item span {
        font-size: 14px;
    }
    
    .footer_content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .greeting_content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .greeting_box {
        padding: 30px 20px;
    }
    
    .greeting_image {
        order: -1;
    }
    
    .greeting_image img {
        min-height: 250px;
    }
    
    .greeting_text p {
        font-size: 15px;
        line-height: 1.8;
    }
    
    .greeting_text p:first-child {
        font-size: 17px;
    }
    
    .director_info {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .director_photo {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .history_timeline {
        padding-left: 25px;
    }
    
    .history_item {
        padding: 20px;
    }
    
    .organization_chart .org_level {
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: center;
        gap: 8px;
    }
    
    .organization_chart .org_level:first-child .org_item {
        min-width: 140px;
    }
    
    .organization_chart .org_level.sub:last-child {
        gap: 8px;
    }
    
    .organization_chart .org_item {
        margin: 0;
        padding: 12px 16px;
        font-size: 14px;
        min-width: 110px;
    }
    
    .organization_chart .org_level.sub .org_item {
        min-width: 70px;
        padding: 12px 14px;
    }
    
    .location_grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin: 30px 0;
    }
    
    .location_info_box {
        padding: 30px 20px;
    }
    
    .location_info_title {
        font-size: 20px;
        margin-bottom: 25px;
        padding-bottom: 12px;
    }
    
    .info_item {
        margin-bottom: 20px;
    }
    
    .info_label {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .info_text {
        font-size: 15px;
        line-height: 1.7;
    }
    
    .map_container {
        min-height: 300px;
        border-radius: 8px;
    }
    
    .map_image {
        min-height: 300px;
        object-fit: cover;
    }
    
    .transport_info {
        padding: 25px 20px;
        margin-top: 25px;
    }
    
    .transport_title {
        font-size: 18px;
        margin-bottom: 12px;
    }
    
    .transport_list li {
        font-size: 15px;
        padding: 10px 0;
    }
    
    .notice_content {
        padding: 30px 20px !important;
    }
    
    .notice_content h2 {
        font-size: 24px !important;
    }
    
    .notice_content h3 {
        font-size: 20px !important;
    }
    
    .go_top {
        width: 48px;
        height: 48px;
        bottom: 20px;
        right: 20px;
        font-size: 18px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .header_inner {
        padding: 12px 15px;
    }
    
    .logo h1 {
        font-size: 16px;
    }
    
    .logo p {
        font-size: 11px;
    }
}

/* 작은 모바일 화면 (480px 이하) */
@media (max-width: 480px) {
    .main_visual {
        height: 300px;
    }
    
    .slide {
        background-size: cover;
        background-position: center center;
    }
    
    /* 작은 모바일에서 더 작은 이미지 로드 */
    .slide.bg1 {
        background-image: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=640&h=480&fit=crop&q=80');
    }
    
    .slide.bg2 {
        background-image: url('https://images.unsplash.com/photo-1503454537195-1dcabb73ffb9?w=640&h=480&fit=crop&q=80');
    }
    
    .slide.bg3 {
        background-image: url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?w=640&h=480&fit=crop&q=80');
    }
    
    .slide.bg4 {
        background-image: url('https://images.unsplash.com/photo-1529156069898-49953e39b3ac?w=640&h=480&fit=crop&q=80');
    }
    
    .visual_title {
        font-size: 24px;
    }
    
    .visual_subtitle {
        font-size: 16px;
    }
    
    .section_title {
        font-size: 24px;
    }
    
    .banner_content h1 {
        font-size: 24px;
    }
    
    .program_item h4 {
        font-size: 18px;
    }
    
    .program_item p {
        font-size: 14px;
    }
    
    .greeting_image img {
        min-height: 200px;
    }
    
    .gnb {
        width: 90%;
    }
    
    .location_info_box {
        padding: 25px 15px;
    }
    
    .location_info_title {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .info_label {
        font-size: 15px;
    }
    
    .info_text {
        font-size: 14px;
    }
    
    .map_container {
        min-height: 250px;
    }
    
    .map_image {
        min-height: 250px;
    }
    
    .transport_info {
        padding: 20px 15px;
    }
    
    .transport_title {
        font-size: 16px;
    }
    
    .transport_list li {
        font-size: 14px;
    }
    
    .partner_banner_section {
        padding: 30px 0;
    }
    
    .partner_banner_wrapper {
        gap: 20px;
        flex-direction: column;
    }
    
    .partner_banner {
        max-width: 100%;
        width: 100%;
        padding: 15px 20px;
    }
    
    .partner_banner .partner_text {
        font-size: 14px;
    }
    
    .partner_logo_img {
        height: 50px;
        max-width: 100px;
    }
}