/* 기본 초기화 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans KR', sans-serif;
}

body {
    color: #333;
    background-color: #fff;
    scroll-behavior: smooth;
}

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

/* 헤더 스타일 */
header {
    width: 100%;
    height: 80px;
    border-bottom: 1px solid #f0f0f0;
    position: fixed;
    top: 0;
    left: 0;
    background: #fff;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo img {
    height: 65px;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    margin: 0 20px;
}

.header-icons a {
    font-size: 18px;
    margin-left: 15px;
    color: #555;
}

/* 메인 비주얼 스타일 */
.main-visual {
    height: 650px;
    margin-top: 85px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.main-text {
    max-width: 1200px;
    margin: 0 auto;
    padding: 150px 20px 0 20px;
}

.main-text .sub-title {
    font-size: 24px;
    color: #444;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.main-text h1 {
    font-size: 48px;
    line-height: 1.3;
    font-weight: 400;
    color: #222;
}

.main-text h1 span {
    font-weight: 700;
    color: #0b509e;
}

.main-text h1 span:nth-child(2) {
    color: #1d73be;
}

/* 카드 섹션 스타일 */
.card-section {
    background-color: #f9f9f9;
    padding: 60px 0;
    margin-top: -80px;
    position: relative;
    z-index: 10;
    background: transparent;
}

.card-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 0 20px;
}

.card {
    background: #fff;
    width: 360px;
    padding-bottom: 30px;
    border: 1px solid #e5e5e5;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    display: block;
}

.card-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin-bottom: 20px;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card h3 {
    font-size: 18px;
    color: #111;
    margin-bottom: 8px;
}

.card p {
    font-size: 13px;
    color: #777;
}

/* CONTACT US 섹션 스타일 */
.contact-section {
    background-size: cover;
    background-position: center;
    padding: 80px 0;
    color: #fff;
    text-align: center;
}

.contact-container h2 {
    font-size: 32px;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.contact-container p {
    font-size: 15px;
    color: #ccc;
    margin-bottom: 40px;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    gap: 15px;
    align-items: center;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
}

.input-group input {
    width: 100%;
    height: 45px;
    padding: 0 15px;
    border: 1px solid #fff;
    background: #fff;
    font-size: 14px;
    outline: none;
}

.contact-form button {
    width: 120px;
    height: 100px;
    background-color: #272f4a;
    border: 1px solid #3b4566;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.contact-form button:hover {
    background-color: #1b2136;
}

/* 푸터 스타일 */
footer {
    background-color: #1c1f24;
    color: #7a7e85;
    padding: 60px 0;
    text-align: center;
    font-size: 12px;
    line-height: 1.8;
}

.footer-logo img {
    height: 65px;
    margin-bottom: 20px;
    opacity: 0.6;
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    margin: 0 10px;
    color: #a0a4ab;
}

address {
    font-style: normal;
    margin-bottom: 20px;
}

.copyright {
    color: #55585d;
}

/* ==========================================================================
   서브 페이지 (회사소개) 스타일 정의 
   ========================================================================== */

/* 서브 비주얼 */
.sub-visual {
    height: 240px;
    margin-top: 80px;
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
}

.sub-visual-text h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.sub-visual-text p {
    font-size: 15px;
    color: #e0e0e0;
    font-weight: 300;
}

/* 서브 탭 메뉴 상단 고정 트랙 */
.sub-tab-container {
    width: 100%;
    background-color: #fff;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 80px;
    z-index: 999;
}

.sub-tab {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
}

.tab-item {
    flex: 1;
    text-align: center;
    padding: 15px 0;
    font-size: 14.5px;
    font-weight: 500;
    color: #666;
    border-right: 1px solid #e5e5e5;
    border-bottom: 1px solid #e5e5e5;
    background: #fdfdfd;
    transition: all 0.2s ease;
}

.tab-item:first-child {
    border-left: 1px solid #e5e5e5;
}

.tab-item.active {
    background: #0b509e;
    color: #fff;
    border-color: #0b509e;
}

/* 본문 레이아웃 공통 */
#sub-content {
    padding: 40px 0 70px 0;
    background-color: #fff;
}

.section-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-divider {
    border: none;
    border-top: 1px solid #eee;
    margin: 70px auto;
    max-width: 1100px;
}

.sub-section-title {
    font-size: 26px;
    color: #0b509e;
    font-weight: 700;
    text-align: center;
    margin-bottom: 45px;
    letter-spacing: 0.5px;
}

/* 1. 인사말 섹션 */
.intro-main-img {
    width: 100%;
    max-height: 480px;
    overflow: hidden;
    margin-bottom: 45px;
}

.intro-main-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.intro-text-box {
    text-align: center;
    max-width: 850px;
    margin: 0 auto;
    line-height: 1.8;
}

.intro-text-box h2 {
    font-size: 28px;
    color: #0b509e;
    margin-bottom: 15px;
    font-weight: 700;
}

.intro-text-box .highlight-p {
    font-size: 17px;
    color: #1d73be;
    font-weight: 500;
    margin-bottom: 30px;
}

.intro-text-box .desc-p {
    font-size: 14.5px;
    color: #555;
    margin-bottom: 20px;
    text-align: center;
    word-break: keep-all;
}

.intro-text-box .desc-p span {
    font-weight: 700;
    color: #0b509e;
}

.intro-text-box .closing-p {
    font-size: 15px;
    font-weight: 500;
    color: #333;
    margin-top: 30px;
    margin-bottom: 20px;
}

/* 대표이사 서명란 스타일 */
.signature-wrap {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.greeting-text {
    font-size: 14.5px;
    color: #555;
    font-weight: 500;
}

.ceo-sign-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    height: 50px;
}

.ceo-title {
    font-size: 15px;
    color: #444;
    font-weight: 400;
}

.ceo-name {
    font-size: 18px;
    color: #111;
    font-weight: 700;
    letter-spacing: 1px;
}

.sign-img-wrap {
    width: 90px;
    height: 45px;
    display: flex;
    align-items: center;
}

.sign-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 2. VISION 비주얼 다이어그램 */
.vision-image-container {
    width: 100%;
    max-width: 960px; 
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.vision-img {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
}

/* 3. CORE VALUE 원형 그리드 섹션 */
.value-grid {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.value-circle-card {
    width: 310px;
    height: 310px;
    background: #fff;
    border: 1px solid #e2e6eb;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 35px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.01);
    transition: all 0.3s ease;
}

.value-circle-card:hover {
    transform: translateY(-6px);
    border-color: #1d73be;
    box-shadow: 0 12px 30px rgba(29, 115, 190, 0.07);
}

.value-circle-card .num {
    font-size: 20px;
    font-weight: 700;
    color: #bbb;
    margin-bottom: 8px;
}

.value-circle-card h3 {
    font-size: 17px;
    color: #0b509e;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}

.value-circle-card p {
    font-size: 12.5px;
    color: #666;
    line-height: 1.6;
    word-break: keep-all;
}

/* 4. HISTORY */
.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #1d73be;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    margin-bottom: 50px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: #fff;
    border: 2px solid #1d73be;
    box-shadow: 0 0 0 2px rgba(29, 115, 190, 0.4);
    z-index: 10;
}

.timeline-content {
    padding: 0 40px;
}

.timeline-year {
    font-size: 28px;
    font-weight: 700;
    color: #0b509e;
    margin-bottom: 15px;
    font-family: 'Arial', sans-serif;
}

.timeline-details p {
    font-size: 14px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 8px;
    word-break: keep-all;
}

.timeline-details p:last-child {
    margin-bottom: 0;
}

.timeline-details p strong {
    font-size: 15px;
    font-weight: 700;
    color: #111;
    margin-right: 8px;
}

.left-item {
    left: 0;
    text-align: right;
}

.left-item .timeline-dot {
    right: -7px;
}

.right-item {
    left: 50%;
    text-align: left;
}

.right-item .timeline-dot {
    left: -7px;
}

/* 5. ORGANIZATION (조직도 기본 프레임) */
.org-chart-box {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 20px 0;
}

.org-node {
    display: inline-block;
    background: #fff;
    border: 1px solid #d2dbe5;
    padding: 18px 30px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    min-width: 160px;
}

.org-node strong {
    display: block;
    font-size: 16px;
    color: #111;
}

.org-node.root {
    background: #0b509e;
    border-color: #0b509e;
}

.org-node.root strong {
    color: #fff;
}

.org-line-vertical {
    width: 2px;
    height: 40px;
    background: #b4c5d6;
    margin: 0 auto;
}

.org-grid {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    border-top: 2px solid #b4c5d6;
    padding-top: 30px;
    position: relative;
}

.org-grid .org-node {
    flex: 1;
    padding: 20px 15px;
    position: relative;
    border-top: 3px solid #1d73be;
}

.org-grid .org-node::before {
    content: '';
    position: absolute;
    top: -32px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 30px;
    background: #b4c5d6;
}

.org-grid .org-node strong {
    color: #0b509e;
    font-size: 15px;
    margin-bottom: 8px;
}

.org-grid .org-node p {
    font-size: 12px;
    color: #666;
    line-height: 1.5;
}

.nav-menu a.active {
    color: #0b509e;
    font-weight: 700;
}

/* 6. 오시는 길 섹션 (LOCATION) */
.sub1-2 {
    max-width: 960px;
    margin: 0 auto;
    padding: 10px 0;
}

.sub1-2 .hidden {
    display: none;
}

.kakao-static-map-container {
    width: 100%;
    margin-bottom: 40px;
    border: 1px solid #dfdfdf;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.map-img-area {
    width: 100%;
    height: 420px;
    position: relative;
    overflow: hidden;
    background-color: #f5f5f5;
}

.map-img-area a {
    display: block;
    width: 100%;
    height: 100%;
}

.map-img-area img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.map-img-area:hover img {
    transform: scale(1.02);
}

.map-hover-notice {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(11, 80, 158, 0.85);
    color: #fff;
    text-align: center;
    padding: 12px 0;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.map-img-area:hover .map-hover-notice {
    opacity: 1;
}

.map-info-bar {
    overflow: hidden;
    padding: 12px 18px;
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kakao-logo img {
    height: 16px;
    width: auto;
    display: block;
}

.map-link-btn a {
    font-size: 13px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.map-link-btn a:hover {
    color: #0b509e;
}

.sub1-2 h4 {
    margin: 40px 0 15px;
    line-height: 1.2;
    font-weight: 500;
    font-size: 20px;
    color: #0b509e;
    border-left: 4px solid #0b509e;
    padding-left: 12px;
}

.sub1-2 .location-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    border-top: 2px solid #0b509e;
    border-bottom: 1px solid #ddd;
}

.sub1-2 .location-table th {
    width: 150px;
    padding: 15px 20px;
    vertical-align: middle;
    font-weight: 500;
    color: #222;
    font-size: 15px;
    background-color: #f9fafb;
    text-align: left;
    border-bottom: 1px solid #eaeaea;
}

.sub1-2 .location-table td {
    padding: 15px 20px;
    font-size: 14.5px;
    line-height: 1.6;
    color: #444;
    text-align: left;
    border-bottom: 1px solid #eaeaea;
}

.sub1-2 .tel-link {
    color: #0b509e;
    font-weight: 500;
    text-decoration: underline;
}

.sub1-2 .bus-list { list-style: none; }
.sub1-2 .bus-list li { margin-bottom: 8px; line-height: 1.6; }
.sub1-2 .bus-list li span {
    display: inline-block; min-width: 45px; padding: 2px 6px; font-size: 12px;
    font-weight: 700; color: #fff; border-radius: 3px; text-align: center; margin-right: 8px;
}
.sub1-2 .bus-list li:nth-child(1) span { background-color: #3b82f6; }
.sub1-2 .bus-list li:nth-child(2) span { background-color: #10b981; }
.sub1-2 .bus-list li:nth-child(3) span { background-color: #ef4444; }
.sub1-2 .bus-list li:nth-child(4) span { background-color: #f59e0b; }


/* 7. 주요사업 (BUSINESS AREAS) */
.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 20px;
}

.biz-card {
    background: #ffffff;
    border: 1px solid #e2e6eb;
    padding: 35px 25px;
    border-top: 3px solid #0b509e;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
    text-align: left;
}

.biz-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.biz-card h3 {
    font-size: 19px;
    color: #0b509e;
    font-weight: 700;
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.biz-card h3 span {
    font-size: 13px;
    color: #888;
    font-weight: 400;
}

.biz-card ul {
    list-style: none;
    padding-left: 0;
}

.biz-card ul li {
    font-size: 14px;
    color: #555;
    line-height: 1.7;
    margin-bottom: 10px;
    position: relative;
    padding-left: 14px;
}

.biz-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: #0b509e;
    font-weight: bold;
}

.biz-summary-box {
    background-color: #0b509e !important; /* 이미지 특유의 진한 브랜드 블루 반영 */
    color: #ffffff !important;            /* 글자색 흰색 */
    text-align: center !important;        /* 텍스트 가운데 정렬 */
    padding: 35px 20px !important;        /* 위아래 여백을 주어 푸른 폭 확보 */
    margin-top: 50px !important;          /* 카드 영역과의 간격 */
    border-radius: 4px !important;        /* 부드러운 모서리 마감 */
    box-sizing: border-box !important;
    width: 100% !important;
}

.biz-summary-box p {
    font-size: 16.5px !important;         /* 선명한 서브 타이틀 크기 */
    font-weight: bold !important;         /* 이미지처럼 굵게 처리 */
    line-height: 1.8 !important;          /* 두 줄 문장의 가독성을 위한 줄간격 */
    margin: 0 !important;
    letter-spacing: -0.5px !important;    /* 자간 조절 */
    word-break: keep-all !important;      /* 단어 단위 줄바꿈 예방 */
}

/* 8. 주요고객 (CLIENTS) */
.client-logo-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); 
    gap: 30px; 
    margin: 40px auto 0 auto; 
    justify-items: center; 
    align-items: center;   
}

.logo-item { 
    border: 1px solid #eee; 
    background: #fff; 
    padding: 30px; 
    display: flex; 
    flex-direction: column; 
    align-items: center;    
    justify-content: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    min-height: 280px;      
    overflow: hidden;       
}

.logo-item img { 
    max-width: 100%; 
    max-height: 150px;      
    object-fit: contain;    
    margin-bottom: 20px; 
    filter: grayscale(30%); 
    transition: transform 0.4s ease; 
}

.logo-item:hover img { 
    transform: scale(1.5); 
    filter: grayscale(0%);  
}

.logo-item:hover { 
    border-color: #0b509e; 
    transform: translateY(-5px); 
    box-shadow: 0 10px 20px rgba(0,0,0,0.1); 
}

.logo-item span { 
    font-size: 14px; 
    color: #555; 
    text-align: center; 
    word-break: keep-all; 
}


/* 9. 정책동향정보 게시판 (BOARD) */
.board-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.board-total {
    font-size: 14.5px;
    color: #555;
}

.board-total span {
    color: #0b509e;
    font-weight: 700;
}

.board-search-wrap {
    display: flex;
    gap: 6px;
}

.search-select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 14px;
    outline: none;
    color: #333;
}

.search-input {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 14px;
    width: 220px;
    outline: none;
}

.search-btn {
    background-color: #0b509e;
    color: #fff;
    border: none;
    padding: 0 20px;
    border-radius: 3px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
}

.search-btn:hover {
    background-color: #083c76;
}

.board-table-responsive {
    width: 100%;
    overflow-x: auto;
}

.board-table {
    width: 100%;
    border-collapse: collapse;
    border-top: 2px solid #0b509e;
    border-bottom: 1px solid #ddd;
}

.board-table th {
    background-color: #f8fafc;
    color: #222;
    font-weight: 500;
    font-size: 15px;
    padding: 16px 10px;
    border-bottom: 1px solid #e2e8f0;
}

.board-table td {
    padding: 16px 10px;
    font-size: 14.5px;
    color: #444;
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
}

.board-table tr.notice-row {
    background-color: #fbfdff;
}

.th-num   { width: 70px; }
.th-cate { width: 140px; }
.th-title{ width: auto; }
.th-date { width: 120px; }
.th-file { width: 80px; }

.board-table .td-title {
    text-align: left;
    padding-left: 15px;
}

.board-table .td-title a {
    display: inline-block;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
}

.board-table .td-title a:hover {
    color: #0b509e;
    text-decoration: underline;
}

.badge-notice {
    background-color: #ef4444;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 2px;
}

.cate-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid #ddd;
}

.cate-tag.tech {
    color: #2563eb;
    background-color: #eff6ff;
    border-color: #bfdbfe;
}

.cate-tag.industry {
    color: #16a34a;
    background-color: #f0fdf4;
    border-color: #bbf7d0;
}

.cate-tag.market {
    color: #ca8a04;
    background-color: #fefce8;
    border-color: #fef08a;
}

.icon-file {
    font-size: 14px;
    color: #777;
}

.board-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-top: 40px;
}

.board-pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 14px;
    color: #555;
    transition: all 0.2s ease;
}

.board-pagination a.page-num.active {
    background-color: #0b509e;
    color: #fff;
    border-color: #0b509e;
    font-weight: 700;
}

.board-pagination a:hover:not(.active) {
    background-color: #f8fafc;
    border-color: #bbb;
    color: #0b509e;
}


/* ==========================================================================
   10. 반응형 미디어 쿼리
   ========================================================================== */

@media only screen and (max-width: 1024px) {
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-container {
        gap: 15px;
    }
    .card {
        width: 31%;
    }
}

@media only screen and (max-width: 960px) {
    .timeline-container::before { left: 40px; }
    .timeline-item { width: 100%; text-align: left !important; padding-left: 40px; }
    .timeline-dot { left: 33px !important; right: auto !important; }
    .timeline-content { padding: 0 20px; }
    
    .map-img-area {
        height: 320px;
    }
    .map-hover-notice {
        opacity: 1;
        font-size: 12px;
        padding: 10px 0;
    }
    .sub1-2 h4 { font-size: 18px; margin: 30px 0 12px; }
    .sub1-2 .location-table th, 
    .sub1-2 .location-table td { padding: 12px 10px; font-size: 13.5px; }
}

@media only screen and (max-width: 768px) {
    .main-text h1 { font-size: 32px; }
    .main-text .sub-title { font-size: 18px; }
    .main-text { padding-top: 100px; }
    .main-visual { height: 500px; }

    .card-container {
        flex-direction: column;
        align-items: center;
        margin-top: 0;
    }
    .card-section {
        margin-top: 20px;
    }
    .card {
        width: 100%;
        max-width: 380px;
    }

    .header-container { 
        flex-direction: column; 
        height: auto; 
        padding: 15px 20px; 
        gap: 10px; 
    }
    header { height: auto; position: relative; }
    .sub-visual { margin-top: 0; }
    .nav-menu a { margin: 0 10px; font-size: 14px; }

    .sub1-2 .location-table tr { display: flex; flex-direction: column; }
    .sub1-2 .location-table th { width: 100%; background-color: #f3f4f6; border-bottom: none; padding: 10px; }
    .sub1-2 .location-table td { width: 100%; padding: 10px; }

    .board-top-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .board-search-wrap {
        width: 100%;
    }
    .search-input {
        flex: 1;
        width: auto;
    }
    .th-cate, .td-cate, .th-file, .td-file {
        display: none;
    }
}

@media only screen and (max-width: 640px) {
    .business-grid {
        grid-template-columns: 1fr;
    }
}


/* ==========================================================================
   [복원/수정] 5. ORGANIZATION (하부 조직도 리뉴얼 연동 완료)
   ========================================================================== */
.org-master-container {
    max-width: 950px;
    margin: 50px auto 0 auto;
    position: relative;
}

.shadow-box {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

/* 1층: 대표이사 */
.org-row-ceo {
    display: flex;
    justify-content: center;
    position: relative;
    width: 100%;
}

.node-ceo {
    border: 2px solid #004fb0;
    background-color: #ffffff;
    color: #004fb0;
    font-size: 16px;
    font-weight: 700;
    padding: 12px 0;
    border-radius: 2px;
    text-align: center;
    width: 180px;
}

/* 2층 연결 브릿지 구역 */
.org-row-bridge {
    position: relative;
    width: 100%;
    height: 65px;
}

.line-ceo-down {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 35px;
    background-color: #d1d5db;
    transform: translateX(-50%);
}

.line-to-management {
    position: absolute;
    top: 35px;
    left: 50%;
    width: 180px;
    height: 2px;
    background-color: #d1d5db;
}

/* 경영지원본부 (우측 돌출형 노드) */
.node-management {
    position: absolute;
    top: 12px;
    left: calc(50% + 180px);
    border: 2px solid #94a3b8;
    background-color: #ffffff;
    color: #1e293b;
    font-size: 14px;
    font-weight: 700;
    width: 175px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
}

/* 3층: 자문위원단 구역 */
.org-row-expert-floor {
    position: relative;
    width: 100%;
    height: 60px;
}

.line-main-vertical {
    position: absolute;
    top: -30px;
    left: 50%;
    width: 2px;
    height: 90px;
    background-color: #d1d5db;
    transform: translateX(-50%);
    z-index: 1;
}

/* 자문위원단 (좌측 돌출형 노드) */
.node-expert {
    position: absolute;
    top: 0;
    right: calc(50% + 135px);
    border: 2px solid #94a3b8;
    background-color: #ffffff;
    color: #1e293b;
    font-size: 14px;
    font-weight: 700;
    width: 175px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    z-index: 5;
}

.line-expert-down {
    position: absolute;
    top: 46px;
    right: calc(50% + 135px + 87.5px);
    width: 2px;
    height: 14px;
    background-color: #d1d5db;
    z-index: 2;
}

/* 4층: 가로축 기준선 */
.org-main-horizontal-line {
    max-width: 646px;
    height: 2px;
    background-color: #d1d5db;
    margin: 0 auto;
    position: relative;
}

/* 하부 3대 본부 카드 배치 구역 (정렬 및 여백 확보) */
.org-row-bottom-grid {
    display: flex;
    justify-content: center;
    gap: 25px;
    align-items: stretch;
    margin-top: 30px;
}

/* 개별 카드 프레임워크 최적화 */
.org-card-gray {
    background-color: #ffffff;
    border: 1px solid #dcdcdc;
    border-radius: 8px;
    padding: 40px 25px 30px 25px;
    width: 32%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    text-align: center;
    box-sizing: border-box;
    position: relative;
}

.org-card-gray::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    width: 2px;
    height: 30px;
    background-color: #d1d5db;
    transform: translateX(-50%);
}

/* 상단 배치 전용 아이콘 스타일 */
.card-icon-wrap {
    display: block;
    font-size: 55px;
    color: #2c4a6f;
    margin: 0 auto 20px auto;
    text-align: center;
}

/* 파란 바 형태의 박스 스타일에서 투명 폰트형 타이틀로 개편 */
.card-header-blue {
    background: none;
    color: #0b509e;
    font-size: 22px;
    font-weight: bold;
    padding: 0;
    margin: 0 0 6px 0;
    text-align: center;
    height: auto;
    line-height: normal;
}

/* 서브 타이틀 및 내용 영역 배치 */
.card-body-content {
    padding: 0;
    min-height: auto;
}

.card-body-content .biz-sub-eng {
    display: block;
    font-size: 15px;
    color: #333333;
    font-weight: bold;
    margin-bottom: 25px;
    text-align: center;
}

.card-body-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.card-body-content ul li {
    position: relative;
    padding-left: 14px;
    font-size: 14.5px;
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 10px;
    word-break: keep-all;
}

/* 스크린샷 특유의 푸른 작은 사각형 불릿기호 정밀 마킹 */
.card-body-content ul li::before {
    content: '▪'; 
    position: absolute;
    left: 0;
    top: -1px;
    color: #0b509e;
    font-size: 13px;
    font-weight: bold;
}

/* 조직도 전용 모바일 최적화 미디어 쿼리 */
@media only screen and (max-width: 960px) {
    .org-row-bottom-grid {
        flex-direction: column;
        gap: 40px;
        align-items: center;
    }
    .org-card-gray {
        width: 100%;
        max-width: 380px;
    }
    .org-card-gray::before {
        height: 40px;
        top: -40px;
    }
}