body {
            margin: 0;
            padding: 0;
            font-family: 'Roboto', 'Noto Sans KR', Arial, sans-serif;
            background-color: #f4f9fc;
        }

        header {
            <!-- background-color: #0056b3; -->
            position: relative;
            z-index: 10;
            background-color: transparent;
            color: black;
            padding: 20px;
            text-align: center;
        }

        nav {
           position: sticky;
           top: 0;
           z-index: 20;
            background-color: #003d80;
            color: white;
            padding: 10px 0;
            text-align: center;
        }

        nav a {
            color: white;
            text-decoration: none;
            margin: 0 15px;
            font-size: 1.2rem;
        }

        nav a:hover {
            text-decoration: underline;
        }

        section {
            padding: 50px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .about-us, .key-areas, .projects, .achievements, .vision {
            margin-bottom: 50px;
        }

        h1, h2 {
            color: #333;
            text-align: center;
        }

        ul {
            list-style-type: none;
            padding: 0;
        }

        ul li {
            background-color: #ffffff;
            margin: 10px 0;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

                
        .about-section {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background-color: #ffffff;
            border-radius: 10px;
            padding: 50px;
            width: 90%;
            max-width: 1200px;
        }

        .about-text {
            flex: 1;
            font-size: 1.5rem;
            line-height: 2rem;
            text-align: justify;
            color: 'black';
        }

        .about-texta {
            flex: 1;
            font-size: 1.0rem;
            line-height: 2.0rem;
            text-align: justify;
            color: 'black';
        }

        .about-image {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
        }
        .about-image img {
            max-width: 100%;
            height: auto;
        }

      .about-image caption {
         margin-top: 10px; /* 이미지와 캡션 사이 간격 */
         font-size: 1rem;
         color: #666;
      }



        .rnd-context {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0px;
        }

        /*
        .rnd-image img {
            height: auto;
            border-radius: 5px;
        }
        */

        .rnd-text {
            flex: 1;
            font-size: 1.2rem;
            line-height: 1.8rem;
            color: #333;
        }


        ul li h3 {
            margin: 0;
            font-size: 1.2rem;
            color: #0056b3;
        }

        ul li p {
            margin: 10px 0 0;
            font-size: 1rem;
            color: #666;
        }

        .vision p {
           font-size: 1.2rem;
           color: #333;
           line-height: 1.8rem;
        }

        .site-footer {
           background-color: white; /* 배경색 */
           color: black; /* 글자색 */
           padding: 20px; /* 내부 여백 */
           text-align: center; /* 텍스트 중앙 정렬 */
           font-size: 0.9rem; /* 글자 크기 */
           line-height: 1.5; /* 줄 간격 */
        }

        .site-footer .footer-link {
           color: black; /* 링크 색상 */
           text-decoration: none; /* 밑줄 제거 */
        }

        .site-footer .footer-link:hover {
           text-decoration: underline; /* 마우스 오버 시 밑줄 추가 */
        }