* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Helvetica Neue', Arial, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: #333;
            line-height: 1.6;
            padding: 5px;
            display: flex;
            justify-content: center;
            min-height: 100vh;
        }
        
        .stock-predictor {
            width: 100%;
            max-width: 760px;
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            position: relative;
        }
        
        .predictor-header {
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            color: white;
            padding: 35px 25px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .predictor-header::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
            transform: rotate(30deg);
        }
        
        .predictor-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            position: relative;
        }
        
        .predictor-subtitle {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 18px;
            position: relative;
        }
        
        .accuracy-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 25px;
            backdrop-filter: blur(10px);
            position: relative;
        }
        
        .user-count {
            font-size: 15px;
            background: rgba(255, 255, 255, 0.15);
            padding: 12px 20px;
            border-radius: 10px;
            display: inline-block;
            backdrop-filter: blur(5px);
            position: relative;
        }
        
        .highlight {
            font-weight: 800;
            color: #fbbf24;
        }
        
        .input-section {
            padding: 35px 25px;
            background: #ffffff;
        }
        
        .input-label {
            display: block;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 15px;
            color: #1e293b;
        }
        
        .stock-input {
            width: 100%;
            padding: 18px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 16px;
            margin-bottom: 25px;
            transition: all 0.3s;
            background: #f8fafc;
        }
        
        .stock-input:focus {
            outline: none;
            border-color: #2563eb;
            background: white;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
        }
        
        .analyze-btn {
            width: 100%;
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: white;
            border: none;
            padding: 18px;
            border-radius: 12px;
            font-size: 18px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
        }
        
        .analyze-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
        }
        
        .analyze-btn:active {
            transform: translateY(-1px);
        }
        
        .features-section {
            padding: 40px 25px;
            background: #f8fafc;
        }
        
        .section-title {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 30px;
            color: #1e293b;
            text-align: center;
            position: relative;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            border-radius: 2px;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 25px;
        }
        
        @media (min-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        .feature-card {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            border-left: 0px solid #2563eb;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        }
        
        .feature-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #2563eb;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .feature-icon {
            font-size: 20px;
        }
        
        .about-section {
            padding: 40px 25px;
            background: white;
        }
        
        .about-content {
            line-height: 1.7;
            color: #475569;
        }
        
        .about-content p {
            margin-bottom: 20px;
        }
        
        .footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 35px 25px;
            text-align: center;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin-bottom: 25px;
            flex-wrap: wrap;
        }
        
        .footer-link {
            color: #60a5fa;
            text-decoration: none;
            font-size: 15px;
            cursor: pointer;
            transition: color 0.2s;
            font-weight: 600;
        }
        
        .footer-link:hover {
            color: #93c5fd;
            text-decoration: underline;
        }
        
        .copyright {
            font-size: 14px;
            opacity: 0.7;
        }
        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 20px;
            backdrop-filter: blur(5px);
        }
        
        .modal-content {
            background: white;
            border-radius: 16px;
            padding: 35px;
            max-width: 600px;
            width: 100%;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            animation: modalAppear 0.4s ease-out;
        }
        
        @keyframes modalAppear {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .modal-title {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 20px;
            color: #1e293b;
            text-align: center;
        }
        
        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: #f1f5f9;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            font-size: 18px;
            cursor: pointer;
            color: #64748b;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }
        
        .modal-close:hover {
            background: #e2e8f0;
            color: #475569;
        }
        
        .modal-text {
            line-height: 1.7;
            color: #475569;
        }
        
        .modal-text h3 {
            margin: 25px 0 12px;
            color: #1e293b;
            font-size: 18px;
        }
        
        .modal-text ul {
            margin-left: 20px;
            margin-bottom: 20px;
        }
        
        .modal-text li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 10px;
        }
        
        .modal-text li::before {
            content: "•";
            color: #2563eb;
            font-weight: bold;
            position: absolute;
            left: -10px;
        }
        
        .result-modal {
            text-align: center;
        }
        
        .result-icon {
            font-size: 20px;
            color: #10b981;
            margin-bottom: 10px;
        }
        
        .result-title {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 5px;
            color: #1e293b;
        }
        
        .result-message {
            font-size: 16px;
            margin-bottom: 5px;
            color: #475569;
        }
        
        .line-contact {
            background: linear-gradient(135deg, #06c755 0%, #00b34c 100%);
            color: white;
            padding: 16px 25px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            text-decoration: none;
            margin-top: 15px;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(6, 199, 85, 0.3);
        }
        
        .line-contact:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(6, 199, 85, 0.4);
        }
        
        .bonus-stocks {
            background: #f0f9ff;
            border: 1px solid #bae6fd;
            border-radius: 12px;
            padding: 20px;
            margin-top: 25px;
        }
        
        .bonus-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 15px;
            color: #0369a1;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .bonus-stocks-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        
        .stock-tag {
            background: white;
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: 600;
            color: #0369a1;
            border: 1px solid #bae6fd;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }
        
        .loading-bar {
            height: 4px;
            background: #e2e8f0;
            border-radius: 2px;
            overflow: hidden;
            margin: 20px 0;
            display: none;
        }
        
        .loading-progress {
            height: 100%;
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            width: 0%;
            transition: width 1.5s ease-in-out;
        }
        
        .loading-text {
            text-align: center;
            font-size: 14px;
            color: #64748b;
            margin-bottom: 10px;
            display: none;
        }