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

    body {
      font-family: 'Noto Sans KR', sans-serif;
      color: #1a1a2e;
      line-height: 1.6;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 40px;
    }

    /* Header */
    .header {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 40px;
      background: #fff;
    }

    .logo {
      font-size: 24px;
      font-weight: 900;
      letter-spacing: 2px;
    }

    .logo span:first-child {
      color: #1a1a2e;
      font-style: italic;
    }

    .logo span:last-child {
      color: #5bbcbd;
      font-weight: 500;
    }

    .header-btn {
      background: #3eb5b5;
      color: white;
      padding: 14px 28px;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.3s;
    }

    .header-btn:hover {
      background: #2ea5a5;
    }

    /* Hero Section */
    .hero {
      text-align: center;
      padding: 100px 20px 120px;
      background: linear-gradient(180deg, #fff 0%, #f8fafa 100%);
    }

    .hero .container {
      max-width: 900px;
    }

    .hero h1 {
      font-size: 48px;
      font-weight: 900;
      margin-bottom: 10px;
      color: #1a1a2e;
    }

    .hero h1 .highlight {
      color: #3eb5b5;
    }

    .hero p {
      font-size: 18px;
      color: #666;
      margin-top: 30px;
      line-height: 1.8;
    }

    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-top: 50px;
    }

    .btn-primary {
      background: #3eb5b5;
      color: white;
      padding: 18px 40px;
      border: none;
      border-radius: 30px;
      font-size: 18px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s;
      min-width: 240px;
      text-align: center;
    }

    .btn-primary:hover {
      background: #2ea5a5;
      transform: translateY(-2px);
    }

    .btn-secondary {
      background: white;
      color: #3eb5b5;
      padding: 18px 40px;
      border: 1px solid #e0e0e0;
      border-radius: 30px;
      font-size: 18px;
      font-weight: 500;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      transition: all 0.3s;
      min-width: 240px;
    }

    .btn-secondary:hover {
      border-color: #3eb5b5;
      transform: translateY(-2px);
    }

    .btn-secondary svg {
      width: 20px;
      height: 20px;
    }

    .hero-divider {
      width: 100%;
      height: 6px;
      background: #3eb5b5;
      margin-top: 80px;
    }

    /* Expertise Section */
    .expertise {
      padding: 80px 20px;
      background: #f8f9fa;
    }

    .expertise .container {
      display: flex;
      align-items: center;
      gap: 60px;
    }

    .expertise-content {
      flex: 1;
    }

    .expertise h2 {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 30px;
    }

    .expertise h2 .highlight {
      color: #3eb5b5;
    }

    .expertise p {
      font-size: 16px;
      color: #666;
      line-height: 1.8;
      margin-bottom: 40px;
    }

    .stats {
      display: flex;
      gap: 30px;
    }

    .stat-box {
      background: white;
      padding: 30px 40px;
      border-radius: 12px;
      text-align: center;
      box-shadow: 0 2px 10px rgba(0,0,0,0.05);
      white-space: nowrap;
    }

    .stat-box .number {
      font-size: 36px;
      font-weight: 900;
      color: #3eb5b5;
      white-space: nowrap;
    }

    .stat-box .label {
      font-size: 14px;
      color: #666;
      margin-top: 8px;
      white-space: nowrap;
    }

    .expertise-images {
      flex: 1;
      display: flex;
      align-items: stretch;
      justify-content: center;
      gap: 15px;
      height: 400px;
    }

    .expertise-img {
      height: 100%;
      width: auto;
      object-fit: cover;
      border-radius: 16px;
      box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    }

    .expertise-img:first-child {
      flex: 1.2;
      max-width: 200px;
    }

    .expertise-img:nth-child(2),
    .expertise-img:nth-child(3) {
      flex: 1;
      max-width: 160px;
    }

    /* Market Section */
    .market {
      padding: 100px 20px;
      text-align: center;
      background: #f0f4f5;
    }

    .market h2 {
      font-size: 42px;
      font-weight: 900;
      margin-bottom: 60px;
    }

    .market h2 .highlight {
      color: #3eb5b5;
    }

    .market-cards {
      display: flex;
      justify-content: center;
      gap: 30px;
    }

    .market-card {
      flex: 1;
      background: white;
      padding: 50px 30px;
      border-radius: 16px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    }

    .market-card .icon {
      width: 60px;
      height: 60px;
      margin: 0 auto 25px;
      color: #3eb5b5;
    }

    .market-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 15px;
    }

    .market-card p {
      font-size: 14px;
      color: #888;
      line-height: 1.6;
    }

    /* Revenue Section */
    .revenue {
      padding: 100px 20px;
      text-align: center;
      background: #fff;
    }

    .revenue h2 {
      font-size: 42px;
      font-weight: 900;
      margin-bottom: 60px;
    }

    .revenue h2 .highlight {
      color: #3eb5b5;
    }

    .revenue-cards {
      display: flex;
      justify-content: center;
      gap: 40px;
      position: relative;
    }

    .revenue-card {
      flex: 1;
      padding: 40px;
      border-radius: 20px;
      text-align: left;
    }

    .revenue-card.light {
      background: #f8f9fa;
      border: 1px solid #e8e8e8;
    }

    .revenue-card.dark {
      background: #1a2332;
      color: white;
    }

    .revenue-card .tag {
      color: #3eb5b5;
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 20px;
    }

    .revenue-card .quote {
      font-size: 22px;
      font-weight: 700;
      line-height: 1.5;
      margin-bottom: 30px;
    }

    .revenue-card.dark .quote {
      color: #3eb5b5;
    }

    .revenue-card .amount-box {
      background: white;
      padding: 25px;
      border-radius: 12px;
    }

    .revenue-card.dark .amount-box {
      background: rgba(255,255,255,0.1);
    }

    .revenue-card .amount-label {
      font-size: 14px;
      color: #888;
      margin-bottom: 10px;
    }

    .revenue-card.dark .amount-label {
      color: #aaa;
    }

    .revenue-card .amount {
      font-size: 36px;
      font-weight: 900;
      color: #1a1a2e;
    }

    .revenue-card.dark .amount {
      color: #3eb5b5;
    }

    .revenue-card .amount span {
      font-size: 18px;
      font-weight: 400;
      color: #888;
    }

    .revenue-card.dark .amount span {
      color: #aaa;
    }

    .revenue-card .sub-amount {
      font-size: 14px;
      color: #3eb5b5;
      margin-top: 12px;
    }

    .revenue-card .note {
      font-size: 13px;
      color: #aaa;
      margin-top: 20px;
    }

    .plus-icon {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      width: 50px;
      height: 50px;
      background: #3eb5b5;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 28px;
      font-weight: 300;
      z-index: 10;
    }

    /* CTA Section */
    .cta {
      background: #1a2332;
      padding: 100px 20px 60px;
      text-align: left;
    }

    .cta .container {
      max-width: 1200px;
    }

    .cta-content {
      max-width: 700px;
    }

    .cta h2 {
      font-size: 42px;
      font-weight: 900;
      color: white;
      line-height: 1.3;
      margin-bottom: 30px;
    }

    .cta h2 .highlight {
      color: #3eb5b5;
    }

    .cta p {
      font-size: 16px;
      color: #888;
      line-height: 1.8;
      margin-bottom: 40px;
    }

    .cta-btn {
      background: #3eb5b5;
      color: white;
      padding: 20px 40px;
      border: none;
      border-radius: 8px;
      font-size: 18px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s;
    }

    .cta-btn:hover {
      background: #2ea5a5;
      transform: translateY(-2px);
    }

    /* Footer */
    .footer {
      background: #1a2332;
      padding: 40px 20px;
      border-top: 1px solid #2a3342;
    }

    .footer .container {
      max-width: 1200px;
    }

    .footer p {
      color: #666;
      font-size: 13px;
      letter-spacing: 1px;
    }

    /* Modal */
    .modal-overlay {
      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;
    }

    .modal-overlay.active {
      display: flex;
    }

    .modal {
      background: white;
      border-radius: 20px;
      padding: 50px;
      max-width: 500px;
      width: 90%;
      max-height: 90vh;
      overflow-y: auto;
      position: relative;
    }

    .modal-close {
      position: absolute;
      top: 20px;
      right: 20px;
      background: none;
      border: none;
      font-size: 28px;
      cursor: pointer;
      color: #999;
    }

    .modal-close:hover {
      color: #333;
    }

    .modal h2 {
      font-size: 28px;
      font-weight: 900;
      margin-bottom: 10px;
      color: #1a1a2e;
    }

    .modal h2 .highlight {
      color: #3eb5b5;
    }

    .modal > p {
      color: #666;
      margin-bottom: 30px;
    }

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

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 8px;
      color: #333;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 14px 16px;
      border: 1px solid #e0e0e0;
      border-radius: 10px;
      font-size: 16px;
      font-family: inherit;
      transition: border-color 0.3s;
    }

    .form-group input:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: #3eb5b5;
    }

    .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }

    .submit-btn {
      width: 100%;
      background: #3eb5b5;
      color: white;
      padding: 16px;
      border: none;
      border-radius: 10px;
      font-size: 18px;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.3s;
    }

    .submit-btn:hover {
      background: #2ea5a5;
    }

    .submit-btn:disabled {
      background: #ccc;
      cursor: not-allowed;
    }

    .success-message {
      display: none;
      text-align: center;
      padding: 40px 20px;
    }

    .success-message.active {
      display: block;
    }

    .success-message svg {
      width: 80px;
      height: 80px;
      color: #3eb5b5;
      margin-bottom: 20px;
    }

    .success-message h3 {
      font-size: 24px;
      margin-bottom: 10px;
      color: #1a1a2e;
    }

    .success-message p {
      color: #666;
    }

    /* Contact Section */
    .contact-section {
      padding: 100px 20px;
      background: #f8f9fa;
    }

    .contact-wrapper {
      display: flex;
      gap: 60px;
      align-items: flex-start;
    }

    .contact-info {
      flex: 1;
    }

    .contact-info h2 {
      font-size: 36px;
      font-weight: 900;
      margin-bottom: 20px;
      color: #1a1a2e;
    }

    .contact-info h2 .highlight {
      color: #3eb5b5;
    }

    .contact-info > p {
      font-size: 16px;
      color: #666;
      line-height: 1.8;
      margin-bottom: 40px;
    }

    .contact-details {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 15px;
      font-size: 16px;
      color: #333;
    }

    .contact-item svg {
      width: 24px;
      height: 24px;
      color: #3eb5b5;
    }

    .contact-form-box {
      flex: 1;
      background: white;
      padding: 40px;
      border-radius: 20px;
      box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    }

    .contact-form-box .form-row {
      display: flex;
      gap: 20px;
    }

    .contact-form-box .form-row .form-group {
      flex: 1;
    }

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

    .contact-form-box .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 8px;
      color: #333;
    }

    .contact-form-box .form-group input,
    .contact-form-box .form-group textarea {
      width: 100%;
      padding: 14px 16px;
      border: 1px solid #e0e0e0;
      border-radius: 10px;
      font-size: 16px;
      font-family: inherit;
      transition: border-color 0.3s;
    }

    .contact-form-box .form-group input:focus,
    .contact-form-box .form-group textarea:focus {
      outline: none;
      border-color: #3eb5b5;
    }

    .contact-form-box .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }

    .contact-form-box .submit-btn {
      width: 100%;
      background: #3eb5b5;
      color: white;
      padding: 16px;
      border: none;
      border-radius: 10px;
      font-size: 18px;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.3s;
    }

    .contact-form-box .submit-btn:hover {
      background: #2ea5a5;
    }

    .contact-form-box .submit-btn:disabled {
      background: #ccc;
      cursor: not-allowed;
    }

    .form-success {
      display: none;
      text-align: center;
      padding: 40px 20px;
    }

    .form-success.active {
      display: block;
    }

    .form-success svg {
      width: 80px;
      height: 80px;
      color: #3eb5b5;
      margin-bottom: 20px;
    }

    .form-success h3 {
      font-size: 24px;
      margin-bottom: 10px;
      color: #1a1a2e;
    }

    .form-success p {
      color: #666;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .expertise .container {
        flex-direction: column;
      }

      .expertise-images {
        width: 100%;
        height: 300px;
      }

      .market-cards {
        flex-direction: column;
        max-width: 400px;
        margin: 0 auto;
      }

      .revenue-cards {
        flex-direction: column;
        max-width: 500px;
        margin: 0 auto;
      }

      .plus-icon {
        position: static;
        transform: none;
        margin: 20px auto;
      }
    }

    @media (max-width: 768px) {
      .header {
        padding: 15px 20px;
      }

      .container {
        padding: 0 20px;
      }

      .logo {
        font-size: 18px;
      }

      .header-btn {
        padding: 10px 16px;
        font-size: 14px;
      }

      .hero h1 {
        font-size: 28px;
      }

      .hero p {
        font-size: 14px;
      }

      .hero-buttons {
        flex-direction: column;
        align-items: center;
      }

      .expertise, .market, .revenue, .cta, .contact-section {
        padding: 60px 20px;
      }

      .expertise h2, .market h2, .revenue h2, .cta h2 {
        font-size: 28px;
      }

      .stats {
        flex-direction: column;
      }

      .stat-box {
        padding: 20px;
      }

      .contact-wrapper {
        flex-direction: column;
      }

      .contact-form-box .form-row {
        flex-direction: column;
        gap: 0;
      }

      .contact-info h2 {
        font-size: 28px;
      }
    }