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

        body {
            font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* Header */
        .header {
            background: white;
            padding: 15px 0;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
        }

        .logo {
            font-size: 32px;
            font-weight: bold;
            color: #4a90e2;
        }

        .contact-info {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .phone {
            font-size: 18px;
            font-weight: bold;
            color: #333;
        }

        .contact-btn {
            background: #4a90e2;
            color: #fff;
            padding: 20px 30px;
            text-decoration: none;
            border-radius: 5px;
            font-size: 14px;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #dbe6f7 0%, #c1d4f1 100%);
            padding: 150px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hero-text {
            flex: 1;
            text-align: left;
        }

        .hero h1 {
            font-size: 60px;
            font-weight: 400;
            color: #333;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 16px;
            line-height: 2.5;
            color: #666;
            margin-bottom: 30px;
        }

        .hero-image {
            flex: 1;
            text-align: right;
        }

        .hero-image img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
        }

        /* Business Partner Section */
        .business-partner {
            padding: 80px 0;
            background: white;
        }

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

        .section-title {
            text-align: center;
            font-size: 40px;
            color: #333;
            margin-bottom: 20px;
            font-weight: 300;
        }

        .section-subtitle {
            text-align: center;
            font-size: 18px;
            color: #4a90e2;
            margin-bottom: 50px;
        }

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

        .bp-text {
            flex: 1;
        }

        .bp-text p {
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .bp-image {
            flex: 1;
        }

        .bp-image img {
            width: 100%;
            border-radius: 10px;
        }

        .feature-boxes {
            display: flex;
            gap: 30px;
            margin-top: 40px;
        }

        .feature-box {
            flex: 1;
            text-align: center;
            padding: 20px;
            border-radius: 10px;
            background: #f8f9fa;
        }

        .feature-box h3 {
            padding: 10px;
            font-size: 24px;
        }

        .feature-box p {
            text-align: left;
            padding: 20px;
            line-height: 1.8;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: #4a90e2;
            border-radius: 50%;
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
        }

        /* Services Section */
        .services {
            padding: 80px 0;
            background: #f8f9fa;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 50px;
        }

        .service-item {
            background: white;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .service-item:hover {
            transform: translateY(-5px);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background: #4a90e2;
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 30px;
        }

        .service-item h3 {
            font-size: 18px;
            margin-bottom: 15px;
            color: #333;
        }

        .service-item p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* CTA Section */
        .cta {
            padding: 80px 0;
            background: white;
            text-align: center;
        }

        .cta h2 {
            font-size: 28px;
            margin-bottom: 20px;
            color: #333;
        }

        .cta p {
            font-size: 16px;
            color: #666;
            margin-bottom: 30px;
        }

        .cta-btn {
            background: #4a90e2;
            color: white;
            padding: 20px 30px;
            text-decoration: none;
            border-radius: 5px;
            font-size: 16px;
            display: inline-block;
        }

        .jinsai img {
            max-width: 100%;
            margin-bottom: 20px;
        }

        /* Contact Section */
        .contact {
            padding: 60px 0;
            background: #4a90e2;
            color: white;
            text-align: center;
        }

        .contact h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .contact-phone {
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 10px;
        }

        .contact-time {
            font-size: 14px;
            opacity: 0.9;
        }

        /* About Section */
        .about {
            padding: 80px 0;
            background: #f8f9fa;
        }

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

        .about-image {
            flex: 1;
        }

        .about-image img {
            width: 100%;
            border-radius: 10px;
        }

        .about-text {
            flex: 1;
            background: #4a90e2;
            color: white;
            padding: 40px;
            border-radius: 10px;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .about-text p {
            line-height: 1.8;
        }

        /* Videos Section */
        .videos {
            padding: 80px 0;
            background: white;
        }

        .video-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .video-item {
            aspect-ratio: 16/9;
            background: #f0f0f0;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .video-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .video-title {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 10px;
            font-size: 12px;
        }

        /* News Section */
        .news {
            padding: 80px 0;
            background: #f8f9fa;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 50px;
        }

        .news-item {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .news-image {
            background: #4a90e2;
        }

        .news-image img {
            width: 100%;
        }

        .news-content {
            padding: 20px;
        }

        .news-date {
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
        }

        .news-title {
            font-size: 16px;
            color: #333;
            margin-bottom: 10px;
        }

        .news-excerpt {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* Footer */
        .footer {
            background: #333;
            color: white;
        }

        .footer-bottom {
            text-align: center;
            padding: 20px;
            border-top: 1px solid #555;
            font-size: 14px;
            color: #ccc;
        }

        /* Responsive */
        @media (max-width: 768px) {

            .hero-content,
            .bp-content,
            .about-content {
                flex-direction: column;
                text-align: center;
            }

            .services-grid,
            .video-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }

            .feature-boxes {
                flex-direction: column;
            }

            .hero h1 {
                font-size: 32px;
            }

            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }