.tab-container-round {
    display: flex;
    background: #f1f5f9;
    padding: 6px;
    border-radius: 50px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

/* 3. 탭 버튼 기본 스타일 */
.tab-btn {
    padding: 12px 45px; /* 가로 길이를 충분히 확보 */
    border: none;
    background: transparent;
    color: #64748b;
    font-size: 16px;
    font-weight: 700;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* 4. 마우스 올렸을 때 */
.tab-btn:hover {
    color: #1a375f;
}

/* 5. 활성화된 버튼 (흰색 알약 모양) */
.tab-btn.active {
    background: #ffffff !important; /* 배경 흰색 */
    color: #1a375f !important;    /* 텍스트 남색 */
    box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important; /* 튀어나온 듯한 그림자 */
}


/* 탭 버튼 스타일 (알약 모양) */
.tab-container-round .tab-btn {
    padding: 12px 30px;
    border-radius: 50px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    color: #64748b;
    transition: all 0.3s ease;
}


.tab-container-round .tab-btn.active {
    background: #fff;
    color: #1a375f;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.tab-outer-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}

/* 2. 탭 컨테이너 (회색 둥근 박스) */
.tab-container-round {
    display: flex;
    background: #f1f5f9; /* 연한 회색 배경 */
    padding: 6px;
    border-radius: 50px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05); /* 안쪽으로 살짝 들어간 느낌 */
}

.tab-btn {
    padding: 12px 45px;
    border: none;
    background: transparent;
    color: #64748b;
    font-size: 16px;
    font-weight: 700;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: #fff;
    color: #1a375f;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.5s ease; }


.greeting-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.greeting-text {
    flex: 1;
}

.greeting-text h2 {
    font-size: 32px;
    color: #1a375f;
    margin-bottom: 30px;
    line-height: 1.4;
}

.greeting-text p {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
}

.greeting-image {
    flex: 1;
    background: #1a375f;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 30px;
    border-radius: 4px;
}

.overview-card {
    background: #fff;
    max-width: 800px;
    margin: 0 auto;
    padding: 60px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.overview-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 50px;
}

.overview-header h3 {
    font-size: 26px;
    line-height: 1.2;
}

.overview-header h3 span {
    font-size: 14px;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.overview-header span {
    display: block;
    font-size: 16px;
    color: #999;
    font-weight: 400;
}

.overview-icon 
{
    width: 65px;
    height: 65px;
    border: 1px solid #e2e8f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8fafc;
}

.overview-icon i {
    font-size: 24px;
    color: #1a375f;
}

.overview-table {
    width: 100%;
    border-collapse: collapse;
}

.overview-table tr {
    border-bottom: 1px solid #eee;
}

.overview-table th {
    width: 150px;
    text-align: left;
    padding: 20px 0;
    color: #1a375f;
    font-size: 18px;
    font-weight: 700;
}

.overview-table td {
    padding: 20px 0;
    color: #555;
    font-size: 17px;
    line-height: 1.6;
}

.history-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding: 40px 0;
}

.history-container::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e2e8f0;
}

.history-group {
    position: relative;
    margin-bottom: 60px;
}

.history-dot {
    position: absolute;
    left: 26px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #1a375f;
    z-index: 2;
}

.history-year-label {
    margin-left: 60px;
    display: inline-block;
    padding: 5px 20px;
    background: #f1f5f9;
    border-radius: 20px;
    font-weight: 700;
    color: #1a375f;
    font-size: 18px;
    margin-bottom: 20px;
}

.year-mini {
    font-weight: 700;
    color: #1a375f;
    min-width: 50px;
    font-size: 16px;
}


.comp-history-item {
    display: flex;
    align-items: center;
    background: #fff;
    padding: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border: 1px solid #f1f5f9;
    transition: transform 0.2s ease;
}

.comp-history-item {
    margin-bottom: 25px;
    display: flex;
    gap: 20px;
}

.comp-history-item:hover {
    transform: translateY(-3px);
}

.comp-history-item .year-mini {
    font-weight: 700;
    color: #1a375f;
    min-width: 50px;
    font-size: 16px;
}

.comp-history-item .content-mini {
    color: #444;
    line-height: 1.6;
    font-size: 16px;
}

.comp-history-item .content-mini span {
    display: block;
    margin-bottom: 5px;
}

@media (max-width: 768px) {
    .comp-history-item {
        flex-direction: column; 
        align-items: flex-start;
        padding: 20px;
    }
}

.location-wrapper {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap; 
}

.location-card {
    background: #fff;
    flex: 1;
    min-width: 450px;
    max-width: 550px;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.location-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}


/* 지도 영역 (하늘색 박스 대체) */
.map-area {
    width: 100%;
    background: #eef6ff;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

.location-info-bottom {
    font-size: 15px;
    color: #555;
}

.location-info-bottom strong {
    color: #1a375f;
    margin-right: 5px;
}

.esg-content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    background: none;
    color: #333;
}

.esg-card-section {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}
.esg-card {
    flex: 1;
    background: #fff;
    padding: 40px 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08); 
    text-align: center;
    border: 1px solid #f0f0f0;
}
.card-icon { font-size: 45px; margin-bottom: 20px; color: #7cb342; } 
.esg-card:nth-child(2) .card-icon { color: #ffa000; } 
.esg-card:nth-child(3) .card-icon { color: #546e7a; } 


.eng-label { display: block; color: #2196f3; font-weight: 800; font-size: 13px; letter-spacing: 1px; margin-bottom: 10px; }
.esg-card h3 { font-size: 22px; margin-bottom: 25px; color: #000; }

.esg-list { text-align: left; padding: 0; list-style: none; margin: 0; }
.esg-list li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 12px;
    font-size: 14.5px;
    color: #555;
    line-height: 1.4;
}
.esg-list li::before {
    content: "•";
    color: #2196f3;
    position: absolute;
    left: 0;
    font-weight: bold;
}

@media (max-width: 900px) {
    .esg-card-section { flex-direction: column; }
}

.whistleblower-section { margin-bottom: 40px; }
.wb-box {
    background: #fff;
    padding: 35px;
    border-radius: 15px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.wb-header { display: flex; align-items: center; gap: 12px; margin-bottom: 25px; border-bottom: 1px solid #eee; padding-bottom: 15px; }
.wb-header i { font-size: 24px; color: #444; }
.wb-header h3 { font-size: 20px; margin: 0; }
.wb-header span { color: #888; font-size: 14px; }

.wb-content { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.wb-item strong { display: block; font-size: 15px; color: #333; margin-bottom: 5px; }
.wb-item p { margin: 0; font-size: 14px; color: #666; line-height: 1.5; }



/* 하단 배너 */
.esg-bottom-banner {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #eee;
}
.esg-bottom-banner strong { color: #005aab; }


/* 모바일 대응 (화면이 작아질 때 버튼 크기 조절) */
@media (max-width: 768px) {
    .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 900px) {

    .wb-content { grid-template-columns: 1fr; }
}

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