:root {
            --primary: #b76e79;
            --primary-dark: #8a3a44;
            --secondary: #d4af37;
            --light: #fff9f9;
            --dark: #333333;
            --gray: #f5f5f5;
            --text: #444444;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --radius: 8px;
        }

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

        body {
            font-family: "IBM Plex Sans JP", sans-serif;
            color: var(--text);
            line-height: 1.6;
            background-color: var(--light);
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5 {
            font-family: "IBM Plex Sans JP", sans-serif;
            color: var(--dark);
            font-weight: 600;
            line-height: 1.3;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            border: none;
            border-radius: var(--radius);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            text-align: center;
            font-size: 1rem;
            box-shadow: 0 4px 10px rgba(183, 110, 121, 0.3);
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(183, 110, 121, 0.4);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary) 0%, #b8860b 100%);
            box-shadow: 0 4px 10px rgba(212, 175, 55, 0.3);
        }

        .btn-secondary:hover {
            box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
        }

        section {
            padding: 80px 0;
        }

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

        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-title p {
            max-width: 700px;
            margin: 20px auto 0;
            font-size: 1.1rem;
        }

        /* Header Styles */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: white;
            box-shadow: var(--shadow);
            z-index: 1000;
            padding: 15px 0;
            transition: var(--transition);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 10px;
            font-size: 1.8rem;
            color: var(--secondary);
        }

        .logo span {
            color: var(--secondary);
        }

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

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 1.1rem;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }

        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

        .nav-links a:hover:after, .nav-links a.active:after {
            width: 100%;
        }

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

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }

        /* Hero Section */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, rgba(183,110,121,0.1) 0%, rgba(255,255,255,1) 100%);
            position: relative;
            overflow: hidden;
        }

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

        .hero-text {
            flex: 1;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: var(--primary-dark);
        }

        .hero-text p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 600px;
        }

        .hero-btns {
            display: flex;
            gap: 15px;
            margin-top: 30px;
        }

        .app-download-btns {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .app-btn {
            display: flex;
            align-items: center;
            background-color: var(--dark);
            color: white;
            padding: 10px 20px;
            border-radius: var(--radius);
            text-decoration: none;
            transition: var(--transition);
        }

        .app-btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .app-btn i {
            font-size: 1.8rem;
            margin-right: 10px;
        }

        .app-btn .btn-text {
            display: flex;
            flex-direction: column;
        }

        .app-btn .btn-text span:first-child {
            font-size: 0.8rem;
        }

        .app-btn .btn-text span:last-child {
            font-size: 1.2rem;
            font-weight: 600;
        }

        .hero-image {
            flex: 1;
            position: relative;
            display: flex;
            justify-content: center;
            perspective: 1500px;
        }

        .phone-mockup-container {
            position: relative;
            transform-style: preserve-3d;
            transform: rotateY(-10deg) rotateX(5deg);
            transition: transform 0.5s ease;
            filter: drop-shadow(0 20px 30px rgba(0,0,0,0.2));
        }

        .phone-mockup-container:hover {
            transform: rotateY(-5deg) rotateX(3deg);
        }

        .phone-mockup {
            width: 300px;
            height: auto;
            border-radius: 30px;
            border: 10px solid #000;
            position: relative;
            overflow: hidden;
            z-index: 2;
            box-shadow: 0 30px 60px rgba(0,0,0,0.15);
        }

        .phone-notch {
            position: absolute;
            top: 15px;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 25px;
            background: #000;
            border-radius: 0 0 15px 15px;
            z-index: 3;
        }

        .phone-screen {
            position: absolute;
            top: 50px;
            left: 10px;
            right: 10px;
            bottom: 10px;
            background: #f8f8f8;
            border-radius: 20px;
            overflow: hidden;
            z-index: 1;
        }

        /* How It Works */
        .how-it-works {
            background-color: var(--gray);
        }

        .steps-container {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 40px;
        }

        .step-card {
            flex: 1;
            min-width: 250px;
            max-width: 300px;
            background-color: white;
            border-radius: var(--radius);
            padding: 40px 30px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .step-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            z-index: 2;
        }

        .step-card:hover {
            transform: translateY(-10px);
        }

        .step-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, rgba(183,110,121,0.1) 0%, rgba(212,175,55,0.1) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 2rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .step-card:hover .step-icon {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            transform: scale(1.1);
        }

        .step-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        /* Features */
        .features-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background-color: white;
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .feature-icon {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(183,110,121,0.1) 0%, rgba(212,175,55,0.1) 100%);
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin: 0 auto 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            transform: scale(1.1);
        }

        .feature-card h3 {
            margin-bottom: 15px;
        }

        /* Testimonials */
        .testimonials {
            background-color: var(--gray);
            position: relative;
        }

        .testimonial-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

        .testimonial-slide {
            background-color: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            display: none;
        }

        .testimonial-slide.active {
            display: block;
            animation: fadeIn 0.8s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .testimonial-content {
            font-size: 1.1rem;
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
        }

        .testimonial-content:before,
        .testimonial-content:after {
            content: '"';
            font-size: 3rem;
            color: var(--secondary);
            opacity: 0.3;
            position: absolute;
        }

        .testimonial-content:before {
            top: -20px;
            left: -15px;
        }

        .testimonial-content:after {
            bottom: -40px;
            right: -15px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 20px;
        }

        .author-img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin-right: 15px;
            object-fit: cover;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.5rem;
            border: 2px solid var(--secondary);
        }

        .author-info h4 {
            margin-bottom: 5px;
        }

        .testimonial-nav {
            display: flex;
            justify-content: center;
            margin-top: 30px;
        }

        .testimonial-nav button {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
            margin: 0 10px;
            transition: var(--transition);
        }

        .testimonial-nav button:hover {
            color: var(--primary-dark);
        }

        /* FAQ Section */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 15px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .faq-question {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            padding: 20px 25px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 500;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #6a2932 100%);
        }

        .faq-question i {
            transition: var(--transition);
        }

        .faq-answer {
            background-color: white;
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer p {
            padding: 20px 0;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* Contact Section */
        .contact {
            background-color: var(--gray);
        }

        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
        }

        .contact-info h3 {
            margin-bottom: 20px;
        }

        .contact-details {
            margin-top: 30px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .contact-item i {
            font-size: 1.2rem;
            color: var(--primary);
            margin-right: 15px;
            margin-top: 5px;
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            border-radius: 50%;
            transition: var(--transition);
        }

        .social-links a:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(183, 110, 121, 0.4);
        }

        .contact-form {
            background-color: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: 'Poppins', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(183,110,121,0.1);
        }

        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: white;
            padding: 60px 0 30px;
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h3 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--secondary);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        /* Animation on Scroll */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in.appear {
            opacity: 1;
            transform: translateY(0);
        }

        /* Dark Mode Toggle */
        .dark-mode-toggle {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 100;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: none;
            font-size: 1.2rem;
        }

        .dark-mode-toggle:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(183, 110, 121, 0.4);
        }

        /* Dark Mode Styles */
        body.dark-mode {
            background-color: #121212;
            color: #e0e0e0;
        }

        body.dark-mode h1,
        body.dark-mode h2,
        body.dark-mode h3,
        body.dark-mode h4,
        body.dark-mode h5 {
            color: #ffffff;
        }

        body.dark-mode header {
            background-color: #1e1e1e;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

        body.dark-mode .nav-links a {
            color: #e0e0e0;
        }

        body.dark-mode .step-card,
        body.dark-mode .feature-card,
        body.dark-mode .testimonial-slide,
        body.dark-mode .contact-form {
            background-color: #1e1e1e;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

        body.dark-mode .form-group input,
        body.dark-mode .form-group textarea {
            background-color: #2d2d2d;
            border-color: #444;
            color: #e0e0e0;
        }

        body.dark-mode .form-group input:focus,
        body.dark-mode .form-group textarea:focus {
            box-shadow: 0 0 0 3px rgba(183,110,121,0.5);
        }

        body.dark-mode .how-it-works,
        body.dark-mode .testimonials,
        body.dark-mode .contact {
            background-color: #1a1a1a;
        }

        body.dark-mode .hero {
            background: linear-gradient(135deg, rgba(183,110,121,0.1) 0%, #121212 100%);
        }

        body.dark-mode .footer-links a {
            color: #aaa;
        }

        /* Mobile Responsiveness */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }

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

            .app-download-btns {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                background-color: white;
                width: 100%;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 10px 10px rgba(0,0,0,0.1);
                transform: translateY(-150%);
                transition: transform 0.4s ease;
            }

            .nav-links.active {
                transform: translateY(0);
            }

            .nav-links li {
                margin: 15px 0;
            }

            section {
                padding: 60px 0;
            }

            .section-title h2 {
                font-size: 2rem;
            }

            .hero-text h1 {
                font-size: 2.5rem;
            }

            .hero-btns {
                flex-direction: column;
                gap: 15px;
            }
            
            .phone-mockup-container {
                transform: rotateY(-5deg) rotateX(3deg);
            }
        }

        @media (max-width: 480px) {
            .hero-text h1 {
                font-size: 2rem;
            }

            .app-download-btns {
                flex-direction: column;
                gap: 15px;
            }

            .phone-mockup {
                width: 250px;
            }
        }