:root {
            --primary-color: #4a5568; /* 濃いグレー。ネイビーより落ち着いた印象 */
            --accent-color: #48bb78;  /* 少し明るめのグリーン。安心感 */
            --bg-light: #fdfdfd;
            --text-color: #2d3748;
        }
        /****
        :root {
            --primary-color: #2c3e50;
            --accent-color: #27ae60;
            --bg-light: #f8f9fa;
            --text-color: #333;
        }
        ****/

        body {
            font-family: 'Noto Sans JP', sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            margin: 0;
            padding: 0;
            background-color: var(--bg-light);
        }

        .container0 {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background: #f7fafc; /* 背景を白っぽくし、文字をダークグレーに */
            color: var(--primary-color);
            padding: 60px 20px;
            text-align: center;
            border-bottom: 2px solid #e2e8f0;
        }
        /***
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            border-bottom: 5px solid var(--accent-color);
        }
        ****/

        header h1 {
            margin: 0;
            font-size: 1.8rem;
            letter-spacing: 0.05em;
        }

        header h1 a {
            text-decoration: none;
            color:inherit;
        }
        header h1 a:hover {
            opacity:0.75;
            color:inherit;
        }

        header p {
            margin: 10px 0 0;
            font-weight: bold;
            color: var(--accent-color);
        }

        .lead-text {
            background: white;
            padding: 30px;
            margin: -30px 20px 30px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        h2 {
            color: var(--primary-color);
            border-left: 4px solid var(--accent-color);
            padding-left: 15px;
            margin-top: 40px;
            font-size: 1.4rem;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid #ddd;
        }

        .card h3 {
            margin-top: 0;
            color: var(--accent-color);
            font-size: 1.1rem;
        }

        .reskill-list {
            list-style: none;
            padding: 0;
        }

        .reskill-list li {
            margin-bottom: 15px;
            padding-left: 20px;
            position: relative;
        }

        .reskill-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-weight: bold;
        }

        /* 20260308 */
        .docs-list {
            list-style: none;
            padding: 0;
        }
        .docs-list li {
            margin-bottom: 15px;
            padding-left: 20px;
            position: relative;
        }
        .docs-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-weight: bold;
        }
        .docs-list li a {
            text-decoration: none;
            color:inherit;
        }
        .docs-list li a:hover {
            opacity:0.75;
            color:inherit;
        }

        .qualifications {
            background: #eee;
            padding: 20px;
            border-radius: 8px;
            font-size: 0.9rem;
        }

        footer {
            text-align: center;
            padding: 40px 20px;
            color: #666;
            font-size: 0.8rem;
        }

        .btn {
            display: inline-block;
            background: var(--accent-color);
            color: white;
            padding: 12px 24px;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            margin-top: 20px;
            transition: opacity 0.3s;
        }

        .btn:hover {
            opacity: 0.8;
        }

        @media (max-width: 600px) {
            header h1 { font-size: 1.4rem; }
            .lead-text { margin: -20px 10px 20px; padding: 20px; }
        }