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

        body {
            font-family: Arial, Helvetica, sans-serif;
            font-size: 14px;
            line-height: 1.6;
            color: #333;
            background-color: #eeeeee;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: #ffffff;
            border: 1px solid #cccccc;
            min-height: 100vh;
        }

        header {
            background-color: #0A4988;
            color: white;
            padding: 10px 0;
        }

        .header-top {
            background-color: #0A4988;
            padding: 5px 20px;
            font-size: 11px;
            font-weight: bold;
        }

        .date-time {
            float: right;
            text-align: center;
        }

        .logo-section {
            padding: 15px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .logo h1 {
            margin: 0;
            font-size: 18px;
        }

        .logo .tagline {
            font-size: 10px;
            font-weight: bold;
            margin-top: 5px;
            text-align: center;
        }

        .site-name {
            font-size: 14px;
            font-weight: bold;
            margin-top: 5px;
        }

        .other-sites {
            color: white;
            font-size: 12px;
            font-weight: bold;
            text-align: right;
            padding: 10px 20px;
        }

        .other-sites a {
            color: white;
            text-decoration: none;
            margin: 0 5px;
        }

        nav {
            background-color: #666666;
            border-top: 1px solid white;
            border-bottom: 1px solid white;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 12px;
            font-weight: bold;
            text-transform: uppercase;
        }

        .nav-menu li {
            border-right: 1px solid white;
            border-top: 1px solid white;
            border-bottom: 1px solid white;
        }

        .nav-menu li:first-child {
            background-color: #4e8cb5;
            border-left: 1px solid white;
        }

        .nav-menu li a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 6px 12px;
            transition: background-color 0.3s;
        }

        .nav-menu li:hover {
            background-color: #3e4b53;
        }

        .nav-menu li:hover a {
            color: #fcef02;
        }

        main {
            padding: 20px;
        }

        h1 {
            color: #0A4988;
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #0A4988;
        }

        article {
            margin-bottom: 30px;
            line-height: 1.8;
        }

        article p {
            margin-bottom: 15px;
            font-size: 14px;
        }

        article h2, article h3, article h4, article h5, article h6 {
            color: #0A4988;
            margin: 20px 0 10px 0;
            font-weight: bold;
        }

        article h2 {
            font-size: 22px;
        }

        article h3 {
            font-size: 18px;
        }

        article h4 {
            font-size: 16px;
        }

        .transition-section {
            margin: 30px 0;
            padding: 20px;
            background-color: #f8f9fa;
            border-left: 4px solid #0A4988;
        }

        .links-section {
            background-color: #fff;
            padding: 30px 20px;
            border-top: 1px solid #e0e0e0;
        }

        .links-section h3 {
            color: #0A4988;
            font-size: 16px;
            font-weight: bold;
            margin-bottom: 15px;
            padding: 10px;
            background: linear-gradient(to right, #0A4988, #4e8cb5);
            color: white;
            border-radius: 4px;
        }

        .links-section ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }

        .links-section li {
            background-color: #f8f9fa;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .links-section li:hover {
            background-color: #e8f4fd;
            border-color: #0A4988;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(10, 73, 136, 0.1);
        }

        .links-section li a {
            display: block;
            color: #0A4988;
            text-decoration: none;
            padding: 12px 15px;
            font-weight: 500;
            font-size: 13px;
            transition: color 0.3s;
        }

        .links-section li a:hover {
            color: #0A4988;
            text-decoration: underline;
        }

        footer {
            background-color: #242c2f;
            color: white;
            text-align: center;
            padding: 20px;
            font-size: 11px;
            margin-top: 40px;
        }

        footer a {
            color: white;
            text-decoration: none;
        }

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

        .clearfix::after {
            content: "";
            display: table;
            clear: both;
        }

        @media (max-width: 768px) {
            .container {
                margin: 0;
                border: none;
            }

            .logo-section {
                flex-direction: column;
                text-align: center;
                padding: 10px;
            }

            .nav-menu {
                flex-wrap: wrap;
                font-size: 11px;
            }

            .nav-menu li a {
                padding: 5px 8px;
            }

            main {
                padding: 15px;
            }

            h1 {
                font-size: 24px;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .date-time {
                float: none;
                text-align: center;
                margin-top: 10px;
            }

            .other-sites {
                text-align: center;
                padding: 5px;
            }
        }

        @media (max-width: 480px) {
            .nav-menu {
                flex-direction: column;
            }

            .nav-menu li {
                border-right: none;
                border-bottom: 1px solid white;
            }

            .nav-menu li:first-child {
                border-left: none;
            }

            h1 {
                font-size: 20px;
            }

            article p {
                font-size: 13px;
            }
        }