
        :root {
            --primary-color: #00529b;
            --accent-color: #e67e22;
            --text-color: #333333;
            --bg-light: #f7f9fa;
            --border-color: #dddddd;
        }

        /*body {
            font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            margin: 0;
            padding: 40px 20px;
            background-color: #f4f6f8;
        }*/

        .link_containt {
            max-width: 900px;
            margin: 0 auto;
            background: #ffffff;
            padding: 40px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            border-radius: 4px;
        }

        .header-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: bold;
            color: var(--accent-color);
            border: 1px solid var(--accent-color);
            padding: 2px 10px;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }

        h1 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 0 0 20px 0;
            line-height: 1.4;
            font-weight: 700;
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 15px;
        }

        .lead-block {
            max-width: 800px;
            margin: 0 auto var(--space-xl);
            text-align:left;
            line-height: 1.8;
            font-size: 0.95rem;
            color: var(--color-gray-dark);
        }

        .lead-block p {
            margin: 0 0 10px 0;
        }
        .lead-block p:last-child {
            margin-bottom: 0;
        }

        h2 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-navy);
            margin: var(--space-sm) 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--color-gray-mid);
        }

        .section-desc {
            font-size: 0.95rem;
            color: #666666;
            margin-bottom: 20px;
        }

        .card {
            border: 1px solid var(--border-color);
            padding: 25px;
            margin-bottom: 2rem;
            border-radius: 4px;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .card:hover {
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        }

        h3 {
            font-size: 1.15rem;
            color: var(--primary-color);
            margin: 0 0 12px 0;
            display: flex;
            align-items: center;
        }

        h3::before {
            content: "";
            display: inline-block;
            width: 6px;
            height: 18px;
            background-color: var(--accent-color);
            margin-right: 10px;
        }

        .card-text {
            font-size: 0.95rem;
            margin: 0 0 15px 0;
        }

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

        .link-list li {
            margin-bottom: 10px;
        }

        .link-list li:last-child {
            margin-bottom: 0;
        }

        .link-item {
            display: inline-flex;
            align-items: center;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: bold;
        }

        .link-item:hover {
            text-decoration: underline;
            color: #003366;
        }

        .link-item::after {
            content: " ＞";
            font-size: 0.8rem;
            margin-left: 5px;
            color: var(--accent-color);
        }

        .url-text {
            display: block;
            font-size: 0.8rem;
            color: #888888;
            margin-top: 2px;
            font-weight: normal;
        }

        .footer-note {
            margin-top: 50px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.95rem;
            color: #555555;
        }