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

        body {
            font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
            line-height: 1.7;
            color: #333;
            background: #f8f9fa;
        }

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

        /* Header */
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: bold;
        }

        .logo-icon {
            font-size: 2rem;
        }

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

        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: opacity 0.3s;
        }

        .nav-links a:hover {
            opacity: 0.8;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 4rem 0;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 0.5rem;
            font-weight: 700;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            margin-bottom: 3rem;
            opacity: 0.9;
        }

        /* Core Features Section - 保留原有设计 */
        .core-features {
            background: white;
            padding: 4rem 0;
        }

        .features-grid-core {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            margin-top: 2rem;
        }

        .feature-card-core {
            text-align: center;
            padding: 2.5rem;
            border-radius: 20px;
            background: #f8f9fa;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 2px solid transparent;
        }

        .feature-card-core:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.12);
            border-color: rgba(102, 126, 234, 0.2);
        }

        .feature-card-core.calculator {
            background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
        }

        .feature-card-core.process {
            background: linear-gradient(135deg, #e8f5e8 0%, #f0f8ff 100%);
        }

        .feature-card-core.schools {
            background: linear-gradient(135deg, #fff8e1 0%, #fce4ec 100%);
        }

        .feature-icon-core {
            font-size: 4rem;
            margin-bottom: 1.5rem;
            display: block;
        }

        .calculator .feature-icon-core { color: #2196f3; }
        .process .feature-icon-core { color: #4caf50; }
        .schools .feature-icon-core { color: #ff9800; }

        .feature-card-core h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
            font-weight: 600;
        }

        .feature-card-core p {
            margin-bottom: 2rem;
            color: #666;
            font-size: 1.1rem;
        }

        .feature-btn {
            display: inline-block;
            padding: 0.8rem 2rem;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-blue {
            background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
            color: white;
        }

        .btn-green {
            background: linear-gradient(135deg, #4caf50 0%, #388e3c 100%);
            color: white;
        }

        .btn-orange {
            background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
            color: white;
        }

        .feature-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }

        /* Services Section */
        .services {
            padding: 4rem 0;
            background: #f8f9fa;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #333;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .service-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }

        .service-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: #667eea;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #333;
        }

        /* Schools Section */
        .schools-section {
            padding: 4rem 0;
            background: white;
        }

        .schools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .school-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 2px solid transparent;
        }

        .school-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            border-color: rgba(102, 126, 234, 0.2);
        }

        .school-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: flex-end;
            justify-content: flex-start;
            position: relative;
            overflow: hidden;
        }

        .school-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.1) 100%);
        }

        .school-image-title {
            position: relative;
            z-index: 2;
            color: white;
            font-size: 1.1rem;
            font-weight: bold;
            padding: 1rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }

        .school-content {
            padding: 1.5rem;
        }

        .school-name {
            font-size: 1.3rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            color: #333;
        }

        .school-location {
            color: #666;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .school-info {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .info-item {
            font-size: 0.9rem;
        }

        .info-label {
            color: #666;
            font-weight: 500;
        }

        .info-value {
            color: #333;
            font-weight: bold;
        }

        .school-tags {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .tag {
            background: #e3f2fd;
            color: #1976d2;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .school-highlight {
            background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
            color: #1976d2;
            padding: 0.8rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            margin: 1rem 0;
            border-left: 4px solid #667eea;
            position: relative;
            padding-left: 2.5rem;
        }

        .school-highlight::before {
            content: "⭐";
            position: absolute;
            left: 0.5rem;
            top: 50%;
            transform: translateY(-50%);
        }

        .apply-btn {
            width: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .apply-btn:hover {
            transform: translateY(-2px);
        }

        /* Process Section */
        .process-section {
            padding: 4rem 0;
            background: #f8f9fa;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .process-step {
            text-align: center;
            position: relative;
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            transition: transform 0.3s;
        }

        .process-step:hover {
            transform: translateY(-5px);
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 auto 1rem;
        }

        .step-title {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: #333;
        }

        /* Footer */
        footer {
            background: #333;
            color: white;
            padding: 3rem 0 1rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            color: #667eea;
        }

        .footer-section a {
            color: #ccc;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: white;
        }

        .footer-bottom {
            border-top: 1px solid #555;
            padding-top: 1rem;
            text-align: center;
            color: #999;
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 1;
        }

        .modal-content {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            max-width: 600px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            transform: translateY(-20px);
            transition: transform 0.3s ease;
        }

        .modal.show .modal-content {
            transform: translateY(0);
        }

        .close {
            float: right;
            font-size: 2rem;
            cursor: pointer;
            color: #999;
        }

        .close:hover {
            color: #333;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .features-grid-core {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .schools-grid {
                grid-template-columns: 1fr;
            }
        }