@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700;800&display=swap');
    
    :root {
      --primary: #3B82F6;
      --primary-dark: #1E40AF;
      --primary-light: #DBEAFE;
      --secondary: #F59E0B;
      --secondary-light: #FEF3C7;
      --accent: #10B981;
      --gray-50: #F9FAFB;
      --gray-100: #F3F4F6;
      --gray-200: #E5E7EB;
      --gray-300: #D1D5DB;
      --gray-400: #9CA3AF;
      --gray-500: #6B7280;
      --gray-600: #4B5563;
      --gray-700: #374151;
      --gray-800: #1F2937;
      --gray-900: #111827;
      --white: #FFFFFF;
      --error: #EF4444;
      --success: #22C55E;
      --warning: #F59E0B;
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
      --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
      --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      font-family: 'Noto Sans JP', sans-serif;
      color: var(--gray-800);
      line-height: 1.7;
      scroll-behavior: smooth;
    }
    
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    
    /* Header */
    .header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      padding: 16px 0;
      box-shadow: var(--shadow-sm);
      position: sticky;
      top: 0;
      z-index: 100;
      transition: all 0.3s ease;
    }
    
    .header-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    
    .logo h3 {
      margin: 0;
      color: var(--primary);
      font-weight: 700;
      font-size: 24px;
    }
    
    .logo img {
      height: 70px;
      width: auto;
    }
    
    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 24px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: var(--white);
      text-decoration: none;
      border-radius: 8px;
      font-weight: 600;
      font-size: 16px;
      text-align: center;
      cursor: pointer;
      border: none;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
    }
    
    .btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
      transition: left 0.5s;
    }
    
    .btn:hover::before {
      left: 100%;
    }
    
    .btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }
    
    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
    }
    
    .btn-outline::before {
      background: var(--primary);
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    
    .btn-outline:hover {
      color: var(--white);
    }
    
    .btn-outline:hover::before {
      opacity: 1;
      left: 0;
    }
    
    .btn-lg {
      padding: 18px 36px;
      font-size: 18px;
      font-weight: 700;
    }
    
    /* Hero Section */
    .hero {
      background: linear-gradient(135deg, 
        var(--primary-light) 0%, 
        rgba(59, 130, 246, 0.1) 25%,
        var(--white) 50%,
        rgba(16, 185, 129, 0.1) 75%,
        var(--gray-50) 100%);
      padding: 80px 0 120px;
      position: relative;
      overflow: hidden;
    }
    
    .hero::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -50%;
      width: 100%;
      height: 200%;
      background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
      animation: float 20s ease-in-out infinite;
    }
    
    @keyframes float {
      0%, 100% { transform: translate(0, 0) rotate(0deg); }
      33% { transform: translate(30px, -30px) rotate(120deg); }
      66% { transform: translate(-20px, 20px) rotate(240deg); }
    }
    
    .hero-content-wrapper {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 60px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    
    .hero-content h1 {
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 24px;
      color: var(--gray-900);
    }
    
    .highlight {
      background: linear-gradient(135deg, var(--secondary) 0%, #F97316 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .subtitle {
      font-size: clamp(1.2rem, 2.5vw, 1.3rem);
      font-weight: 600;
      color: var(--primary);
      line-height: 1.0;
    }
    
    .clock-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      background: var(--secondary-light);
      border-radius: 50%;
      margin-right: 12px;
      font-size: 18px;
    }
    
    .sub-heading {
      font-size: 18px;
      color: var(--gray-600);
      margin-bottom: 32px;
      line-height: 1.6;
    }
    
    .hero-image {
      display: flex;
      justify-content: center;
      align-items: center;
    }
    
    .hero-image img {
      max-width: 100%;
      height: auto;
    }
    
    .hero-image:hover img {
      transform: scale(1.02);
    }
    
    /* Demo Section */
    .demo {
      padding: 100px 0;
      background: var(--gray-50);
    }
    
    .demo h2 {
      font-size: clamp(2rem, 3vw, 2.5rem);
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 16px;
    }
    
    .demo-wrapper {
      background: var(--white);
      border-radius: 16px;
      padding: 40px;
      position: relative;
      margin-top: 60px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--gray-200);
    }
    
    .demo-label {
      position: absolute;
      top: -16px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--secondary) 0%, #F97316 100%);
      color: var(--white);
      padding: 8px 20px;
      border-radius: 20px;
      font-weight: 600;
      font-size: 14px;
      box-shadow: var(--shadow-md);
    }
    
    .video-wrapper {
      text-align: center;
      margin: 32px 0;
    }
    
    .video-wrapper video {
      max-width: 100%;
      height: auto;
      border-radius: 12px;
      box-shadow: var(--shadow-md);
    }
    
    .feature-highlights {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 24px;
      margin-top: 40px;
    }
    
    .feature-highlight {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 16px 20px;
      background: var(--gray-50);
      border-radius: 12px;
      border-left: 4px solid var(--accent);
    }
    
    .feature-highlight p {
      margin: 0;
      min-height: 60px;
      font-weight: 500;
      color: var(--gray-700);
    }
    
    .feature-highlight p img{
      width: 100%;
    }
    
    /* Problems Section */
    .problems {
      padding: 100px 0;
      background: var(--white);
    }
    
    .problems h2 {
      font-size: clamp(2rem, 3vw, 2.5rem);
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 60px;
    }
    
    .features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 32px;
      margin-top: 60px;
    }
    
    .feature-card {
      background: var(--white);
      border-radius: 16px;
      padding: 32px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--gray-100);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
    }
    
    .feature-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      transform: scaleX(0);
      transition: transform 0.3s ease;
    }
    
    .feature-card:hover::before {
      transform: scaleX(1);
    }
    
    .feature-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-xl);
    }
    
    .feature-icon {
      font-size: 3rem;
      margin-bottom: 20px;
      display: block;
    }
    
    .feature-card h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--gray-900);
      margin-bottom: 16px;
    }
    
    .feature-card p {
      color: var(--gray-600);
      line-height: 1.6;
      margin: 0;
    }
    
    /* How-to Section */
    .how-to {
      padding: 100px 0;
      background: var(--gray-50);
    }
    
    .how-to h2 {
      font-size: clamp(2rem, 3vw, 2.5rem);
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 60px;
    }
    
    .steps {
      max-width: 800px;
      margin: 0 auto;
      counter-reset: step;
    }
    
    .step {
      position: relative;
      padding: 32px;
      margin-bottom: 32px;
      background: var(--white);
      border-radius: 16px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--gray-200);
      padding-left: 100px;
    }
    
    .step::before {
      counter-increment: step;
      content: counter(step);
      position: absolute;
      left: 32px;
      top: 50%;
      transform: translateY(-50%);
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: var(--white);
      width: 48px;
      height: 48px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 20px;
      box-shadow: var(--shadow-md);
    }
    
    .step h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--gray-900);
      margin-bottom: 12px;
    }
    
    .step p {
      color: var(--gray-600);
      line-height: 1.6;
      margin: 0;
    }
    
    /* Pricing Section */
    .pricing {
      padding: 100px 0;
      background: var(--white);
    }
    
    .pricing h2 {
      font-size: clamp(2rem, 3vw, 2.5rem);
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 24px;
    }
    
    .pricing > .container > p {
      font-size: 18px;
      color: var(--gray-600);
      text-align: center;
      margin-bottom: 60px;
    }
    
    .pricing-table {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 32px;
      margin-top: 60px;
    }
    
    .pricing-card {
      background: var(--white);
      border-radius: 16px;
      padding: 40px 32px;
      box-shadow: var(--shadow-md);
      border: 2px solid var(--gray-200);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      flex-direction: column;
      position: relative;
    }
    
    .pricing-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-xl);
    }
    
    .pricing-card.recommendation {
      border-color: var(--primary);
      background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
      position: relative;
    }
    
    .pricing-card.recommendation::before {
      content: 'おすすめ';
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: var(--white);
      padding: 6px 16px;
      border-radius: 12px;
      font-size: 12px;
      font-weight: 600;
    }
    
    .pricing-card.featured {
      border-color: #f6bc3b;
      background: linear-gradient(135deg, #fef2db 0%, var(--white) 100%);
      position: relative;
    }
    
    .pricing-card.featured::before {
      content: 'お得';
      position: absolute;
      top: -12px;
      right: 24px;
      background: #f6bc3b;
      color: var(--white);
      padding: 6px 16px;
      border-radius: 12px;
      font-size: 12px;
      font-weight: 600;
    }
    
    .pricing-header {
      margin-bottom: 32px;
      padding-bottom: 24px;
      border-bottom: 2px solid var(--gray-100);
    }
    
    .pricing-header h3 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 8px;
    }
    
    .price {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }
    
    .price-period {
      font-size: 14px;
      color: var(--gray-500);
    }
    
    .pricing-features {
      flex-grow: 1;
      margin-bottom: 32px;
    }
    
    .pricing-feature {
      display: flex;
      align-items: center;
      margin-bottom: 16px;
      font-size: 15px;
      color: var(--gray-700);
    }
    
    .pricing-feature::before {
      content: "✓";
      margin-right: 12px;
      color: var(--accent);
      font-weight: 700;
      font-size: 16px;
    }
    
    /* Testimonials */
    .testimonials {
      padding: 100px 0;
      background: var(--gray-50);
    }
    
    .testimonials h2 {
      font-size: clamp(2rem, 3vw, 2.5rem);
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 60px;
    }
    
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 32px;
      margin-top: 60px;
    }
    
    .testimonial-card {
      background: var(--white);
      border-radius: 16px;
      padding: 32px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--gray-200);
      position: relative;
    }
    
    .testimonial-card::before {
      content: '"';
      position: absolute;
      top: -10px;
      left: 24px;
      font-size: 4rem;
      color: var(--primary-light);
      font-weight: 700;
      line-height: 1;
    }
    
    .testimonial-text {
      font-style: italic;
      margin-bottom: 24px;
      color: var(--gray-700);
      font-size: 16px;
      line-height: 1.6;
    }
    
    .testimonial-author {
      font-weight: 600;
      color: var(--gray-900);
    }
    
    /* FAQ */
    .faq {
      padding: 100px 0;
      background: var(--white);
    }
    
    .faq h2 {
      font-size: clamp(2rem, 3vw, 2.5rem);
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 60px;
    }
    
    .faq-items {
      max-width: 800px;
      margin: 0 auto;
    }
    
    .faq-item {
      margin-bottom: 32px;
      background: var(--white);
      border-radius: 12px;
      border: 1px solid var(--gray-200);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    
    .faq-question {
      padding: 24px;
      font-weight: 600;
      font-size: 1.1rem;
      color: var(--gray-900);
      background: var(--gray-50);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    
    .faq-question::after {
      content: '+';
      font-size: 24px;
      color: var(--primary);
      transition: transform 0.3s ease;
      font-weight: bold;
    }
    
    .faq-question.active::after {
      transform: rotate(45deg);
    }
    
    .faq-question:hover {
      background: var(--primary-light);
    }
    
    .faq-answer {
      padding: 0 24px;
      color: var(--gray-600);
      line-height: 1.6;
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    
    .faq-answer.active {
      padding: 24px;
      max-height: 200px;
    }
    
    /* CTA Section */
    .cta {
      padding: 100px 0;
      background: linear-gradient(135deg, var(--primary-light) 0%, rgba(16, 185, 129, 0.1) 100%);
    }
    
    .cta h2 {
      font-size: clamp(2rem, 3vw, 2.5rem);
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 24px;
    }
    
    .cta > .container > p {
      font-size: 18px;
      color: var(--gray-600);
      margin-bottom: 40px;
    }
    
    .form-container {
      max-width: 800px;
      margin: 40px auto 0;
      background: var(--white);
      padding: 40px;
      border-radius: 16px;
      box-shadow: var(--shadow-xl);
      border: 1px solid var(--gray-200);
    }
    
    /* Footer */
    .footer {
      background: var(--gray-900);
      color: var(--white);
      padding: 60px 0 40px;
    }
    
    .footer-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    
    .footer h3 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--white);
    }
    
    .footer p {
      color: var(--gray-400);
      margin-bottom: 0;
    }
    
    .footer-links {
      display: flex;
      gap: 24px;
      margin-top: 16px;
    }
    
    .footer-links a {
      color: var(--gray-400);
      text-decoration: none;
      transition: color 0.3s ease;
    }
    
    .footer-links a:hover {
      color: var(--white);
    }
    
    /* Back to top button */
    .back-to-top {
      position: fixed;
      bottom: 32px;
      right: 32px;
      background: var(--primary);
      color: var(--white);
      width: 56px;
      height: 56px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      font-size: 20px;
      font-weight: 700;
      box-shadow: var(--shadow-lg);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      opacity: 0;
      visibility: hidden;
      z-index: 1000;
    }
    
    .back-to-top.visible {
      opacity: 1;
      visibility: visible;
    }
    
    .back-to-top:hover {
      background: var(--primary-dark);
      transform: translateY(-4px) scale(1.1);
      box-shadow: var(--shadow-xl);
    }
    
    /* Utility Classes */
    .text-center { text-align: center; }
    .text-left { text-align: left; }
    .flex { display: flex; }
    .flex-col { flex-direction: column; }
    .items-center { align-items: center; }
    .justify-center { justify-content: center; }
    .justify-between { justify-content: space-between; }
    .gap-4 { gap: 16px; }
    .gap-8 { gap: 32px; }
    .mt-8 { margin-top: 32px; }
    .mb-8 { margin-bottom: 32px; }
    
    /* Responsive Design */
    @media (max-width: 1024px) {
      .container {
        padding: 0 20px;
      }
      
      .hero-content-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
      }
      
      section {
        padding: 80px 0;
      }
    }
          
      .btn-lg {
        margin: 0 auto;
      }
    
    @media (max-width: 768px) {
      .container {
        padding: 0 16px;
      }
      
      section {
        padding: 60px 0;
      }
      
      .hero {
        padding: 60px 0 80px;
      }
      
      .features {
        grid-template-columns: 1fr;
      }
      
      .feature-highlights {
        grid-template-columns: 1fr;
      }
      
      .pricing-table {
        grid-template-columns: 1fr;
      }
      
      .testimonial-grid {
        grid-template-columns: 1fr;
      }
      
      .step {
        padding-left: 60px;
      }
      
      .step::before {
        left: 16px;
        width: 40px;
        height: 40px;
        font-size: 18px;
      }
      
      .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
      }
      
      .footer-links {
        justify-content: center;
      }
      
      .back-to-top {
        bottom: 24px;
        right: 24px;
        width: 48px;
        height: 48px;
        font-size: 18px;
      }
            
      .logo img {
        height: 50px;
        width: auto;
      }
    
    }
    
    @media (max-width: 480px) {
      .btn-lg {
        padding: 16px 24px;
        font-size: 16px;
      }
      
      .demo-wrapper,
      .form-container {
        padding: 24px;
        margin: 24px 16px 0;
      }
      
      .pricing-card {
        padding: 24px;
      }
      
      .feature-card,
      .testimonial-card {
        padding: 24px;
      }

      .footer-links {
        flex-direction: column;
      }
      
    }
    
    /* Animations */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    
    .animate-fade-in-up {
      animation: fadeInUp 0.6s ease-out forwards;
    }
    
    .animate-fade-in {
      animation: fadeIn 0.8s ease-out forwards;
    }