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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.6;
        }

        header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: linear-gradient(to bottom, #1e293b, rgba(30, 41, 59, 0.8));
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #334155;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(to right, #06b6d4, #60a5fa, #a855f7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #cbd5e1;
            cursor: pointer;
            font-size: 1.5rem;
        }

        nav ul {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        nav a {
            font-size: 0.875rem;
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        nav a:hover {
            color: #06b6d4;
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            nav {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #1e293b;
                border-bottom: 1px solid #334155;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
            }

            nav.active {
                max-height: 400px;
            }

            nav ul {
                flex-direction: column;
                gap: 0.5rem;
                padding: 1.5rem;
            }
        }

        .emoji img {
            width: 50px;
            height: 50px;
            vertical-align: middle;
            margin-right: 0.5rem;
        }
        
        section {
            padding: 5rem 1.5rem;
        }

        .section-container {
            max-width: 1280px;
            margin: 0 auto;
        }

        section h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            background: linear-gradient(to right, #06b6d4, #a855f7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        section > .section-container > p {
            font-size: 1.1rem;
            color: #a0aec0;
            margin-bottom: 3rem;
        }

        .pricing-table {
            overflow-x: auto;
            margin-bottom: 3rem;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background-color: rgba(30, 41, 59, 0.5);
            border: 1px solid #334155;
            border-radius: 0.5rem;
            overflow: hidden;
        }

        th {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
            padding: 1.25rem;
            text-align: left;
            font-weight: 600;
            border-bottom: 1px solid #334155;
            color: #06b6d4;
        }

        td {
            padding: 1.25rem;
            border-bottom: 1px solid #334155;
            font-size: 0.95rem;
            vertical-align: middle;
        }

        tr:last-child td {
            border-bottom: none;
        }

        tr:hover {
            background-color: rgba(6, 182, 212, 0.05);
        }

        .price {
            font-weight: 700;
            color: #06b6d4;
            font-size: 1.1rem;
        }

        .emoji {
            font-size: 1.5rem;
            margin-right: 0.5rem;
        }

        .options {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
            border: 1px solid #334155;
            border-radius: 0.5rem;
            padding: 2rem;
            margin-top: 2rem;
        }

        .options h4 {
            font-size: 1.25rem;
            margin-bottom: 1rem;
            color: #06b6d4;
        }

        .options ul {
            list-style: none;
            padding-left: 0;
        }

        .options li {
            padding: 0.5rem 0;
            padding-left: 1.5rem;
            position: relative;
            color: #a0aec0;
        }

        .options li:before {
            content: "•";
            position: absolute;
            left: 0;
            color: #a855f7;
            font-weight: bold;
        }

        .bg-light {
            background-color: rgba(15, 23, 42, 0.5);
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(to right, #06b6d4, #3b82f6);
            color: #0f172a;
            padding: 1rem 2rem;
            border-radius: 0.375rem;
            text-decoration: none;
            font-weight: 600;
            margin-top: 2rem;
            transition: all 0.3s ease;
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.3);
        }

        .cta-button:hover {
            box-shadow: 0 0 50px rgba(6, 182, 212, 0.5);
        }

        footer {
            border-top: 1px solid #334155;
            background-color: #0f172a;
            padding: 2rem 1.5rem;
            text-align: center;
            color: #64748b;
            font-size: 0.875rem;
        }

        @media (max-width: 768px) {
    section h2 {
        font-size: 1.875rem;
    }

    /* テーブルのヘッダーを非表示 */
    table thead {
        display: none;
    }

    /* 各行をカード型に */
    table, tbody, tr, td {
        display: block;
        width: 100%;
    }

    tr {
        margin-bottom: 2rem;
        background-color: rgba(30, 41, 59, 0.8);
        border: 1px solid #334155;
        border-radius: 0.5rem;
        padding: 1rem;
    }

    td {
        padding: 0.75rem 0;
        border-bottom: none;
        position: relative;
        padding-left: 45%;
        text-align: left;
    }

    /* 各セルにラベルを追加 */
    td:before {
        content: attr(data-label);
        position: absolute;
        left: 0;
        width: 40%;
        padding-left: 1rem;
        font-weight: 600;
        color: #06b6d4;
    }

    td:first-child:before {
        content: "プラン名";
    }

    td:nth-child(2):before {
        content: "月額料金";
    }

    td:nth-child(3):before {
        content: "内容";
    }

    td:nth-child(4):before {
        content: "想定クライアント";
    }

    .pricing-table {
        margin-bottom: 1.5rem;
    }

    @media (max-width: 480px) {
    section h2 {
        font-size: 1.5rem;
    }

    section > .section-container > p {
        font-size: 0.95rem;
    }

    td {
        font-size: 0.8rem;
        padding: 0.5rem 0;
        padding-left: 45%;
    }

    td:before {
        font-size: 0.75rem;
    }

    .price {
        font-size: 1rem;
    }

    .emoji img {
        width: 35px;
        height: 35px;
    }

    .options h4 {
        font-size: 1.1rem;
    }

    .options li {
        font-size: 0.85rem;
    }
}
        }