/* 完全保持原有的CSS样式不变 */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #0f172a;
            --accent: #06d6a0;
            --light: #f8fafc;
            --gray: #64748b;
            --white: #ffffff;
            --gradient: linear-gradient(135deg, #2563eb 0%, #06d6a0 100%);
            --line-green: #06C755;
        }

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

        body {
            font-family: 'Noto Sans JP', 'Inter', sans-serif;
            background-color: var(--light);
            color: var(--secondary);
            line-height: 1.7;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ヘッダー */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            font-size: 24px;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 10px;
            font-size: 28px;
        }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--secondary);
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        /* 导航栏按钮 */
        .nav-button {
            background: var(--gradient);
            color: white;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            position: relative;
            overflow: hidden;
        }

        .nav-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transition: left 0.6s;
        }

        .nav-button:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 10px 25px rgba(37, 99, 235, 0.5);
        }

        .nav-button:hover::before {
            left: 100%;
        }

        /* Hero主按钮 */
        .hero-main-button {
            background: var(--gradient);
            color: white;
            border: none;
            padding: 22px 48px;
            border-radius: 60px;
            font-weight: 800;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 18px;
            position: relative;
            overflow: hidden;
        }

        .hero-main-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
            transition: left 0.7s;
        }

        .hero-main-button:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 15px 40px rgba(37, 99, 235, 0.6);
        }

        .hero-main-button:hover::before {
            left: 100%;
        }

        .hero-main-button .line-icon {
            font-size: 26px;
            transition: all 0.4s ease;
        }

        .hero-main-button:hover .line-icon {
            transform: scale(1.3) rotate(5deg);
        }

        /* 优化后的次要按钮 */
        .hero-secondary-button {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 18px 36px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.15);
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .hero-secondary-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
            transition: left 0.6s;
        }

        .hero-secondary-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.25);
            background: rgba(255, 255, 255, 1);
            border-color: var(--primary-dark);
        }

        .hero-secondary-button:hover::before {
            left: 100%;
        }

        .hero-secondary-button .play-icon {
            color: var(--primary);
            font-size: 20px;
            transition: all 0.3s ease;
        }

        .hero-secondary-button:hover .play-icon {
            transform: scale(1.2);
            color: var(--primary-dark);
        }

        /* 成功事例按钮优化 */
        .case-study-button {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            padding: 20px 42px;
            border-radius: 55px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.35);
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 17px;
            position: relative;
            overflow: hidden;
            margin-top: 25px;
        }

        .case-study-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transition: left 0.7s;
        }

        .case-study-button:hover {
            transform: translateY(-4px) scale(1.03);
            box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
        }

        .case-study-button:hover::before {
            left: 100%;
        }

        .case-study-button .case-icon {
            font-size: 22px;
            transition: all 0.4s ease;
        }

        .case-study-button:hover .case-icon {
            transform: scale(1.2) translateX(3px);
        }

        .button-content {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            line-height: 1.3;
            text-align: left;
        }

        .button-main-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.5px;
        }

        .button-sub-text {
            font-size: 14px;
            font-weight: 500;
            opacity: 0.9;
            margin-top: 2px;
        }

        .button-content.single {
            flex-direction: row;
            align-items: center;
            gap: 8px;
        }

        .button-content.single .button-main-text {
            font-size: 16px;
        }

        /* 其他按钮样式 */
        .unified-button {
            background-color: white;
            color: var(--primary);
            border: none;
            padding: 18px 40px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            position: relative;
            overflow: hidden;
        }

        .unified-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }

        .unified-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }

        .unified-button:hover::before {
            left: 100%;
        }

        .line-icon {
            color: var(--line-green);
            font-size: 24px;
        }

        /* ヒーローセクション */
        .hero {
            padding: 120px 0 80px;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: var(--gradient);
            opacity: 0.1;
            z-index: 0;
        }

        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            z-index: 1;
        }

        .hero-text {
            flex: 1;
            max-width: 600px;
        }

        .hero-image {
            flex: 1;
            display: flex;
            justify-content: flex-end;
        }

        .hero-image img {
            max-width: 100%;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        .hero h1 {
            font-size: 42px;
            margin-bottom: 20px;
            line-height: 1.3;
            color: var(--secondary);
        }

        .hero p {
            font-size: 18px;
            color: var(--gray);
            margin-bottom: 40px;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            margin-top: 30px;
            align-items: center;
        }

        .badge {
            display: inline-block;
            background: var(--gradient);
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        /* 3ステップ分析 */
        .analysis-steps {
            padding: 100px 0;
            background-color: var(--white);
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 36px;
            margin-bottom: 15px;
            color: var(--secondary);
        }

        .section-title p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .steps-container {
            display: flex;
            justify-content: space-between;
            margin-top: 50px;
            position: relative;
        }

        .steps-container::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--primary);
            z-index: 1;
        }

        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
        }

        .step-number {
            width: 80px;
            height: 80px;
            background: var(--gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            margin: 0 auto 20px;
        }

        .step h3 {
            margin-bottom: 10px;
            color: var(--secondary);
            font-size: 22px;
        }

        .step p {
            color: var(--gray);
            max-width: 250px;
            margin: 0 auto;
        }

        /* 成功事例 */
        .case-study {
            padding: 80px 0;
            background-color: var(--light);
        }

        .case-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .case-text {
            flex: 1;
        }

        .case-image {
            flex: 1;
            text-align: center;
        }

        .case-image img {
            max-width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        .case-text h2 {
            font-size: 32px;
            margin-bottom: 20px;
            color: var(--secondary);
        }

        .case-text p {
            color: var(--gray);
            margin-bottom: 30px;
        }

        .highlight {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 700;
        }

        /* 免责声明样式 */
        .disclaimer {
            font-size: 12px;
            color: var(--gray);
            line-height: 1.5;
            margin-top: 20px;
            padding: 15px;
            background-color: #f8fafc;
            border-radius: 6px;
            border-left: 4px solid var(--gray);
        }

        /* 特徴セクション */
        .features {
            padding: 100px 0;
            background-color: var(--white);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .feature-card {
            background-color: var(--light);
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
            border-left: 4px solid var(--primary);
        }

        .feature-card:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            background-color: rgba(37, 99, 235, 0.1);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .feature-icon i {
            font-size: 24px;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--secondary);
        }

        .feature-card p {
            color: var(--gray);
        }

        /* CTAセクション */
        .cta-section {
            padding: 100px 0;
            background: var(--gradient);
            color: var(--white);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 36px;
            margin-bottom: 20px;
        }

        .cta-section p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }

        /* フッター - 简化版 */
        footer {
            background-color: var(--secondary);
            color: var(--white);
            padding: 40px 0 20px;
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 14px;
        }

        /* レスポンシブデザイン */
        @media (max-width: 968px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }

            .hero-text {
                margin-bottom: 50px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero-image {
                justify-content: center;
            }

            .nav-links {
                display: none;
            }

            .steps-container {
                flex-direction: column;
                gap: 40px;
            }

            .steps-container::before {
                display: none;
            }

            .case-content {
                flex-direction: column;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 32px;
            }

            .hero p {
                font-size: 16px;
            }

            .section-title h2 {
                font-size: 28px;
            }

            .cta-section h2 {
                font-size: 28px;
            }

            .hero-main-button {
                padding: 18px 36px;
                font-size: 16px;
            }

            .hero-secondary-button {
                padding: 16px 30px;
                font-size: 15px;
            }

            .case-study-button {
                padding: 18px 36px;
                font-size: 16px;
            }

            .button-main-text {
                font-size: 18px;
            }
        }