@media (max-width: 1279px) {
  .header-dropdown {
    display: none;
  }

  .container {
    width: min(100% - 40px, 960px);
  }

  .header-inner {
    padding: 0 12px;
    gap: 10px;
  }

  .gnb {
    width: auto;
    flex: 1;
    display: flex;
    justify-content: center;
  }

  .gnb a {
    width: auto;
    flex: 0 0 auto;
    font-size: 16px;
    padding: 0 10px;
  }

  .nav-divider {
    display: none;
  }

  .hero-content h1,
  .about-copy h2,
  .section-head h2,
  .project-head h2,
  .service-inner h2,
  .partners-title,
  .sub-hero h1 {
    font-size: 36px;
  }

  .hero-content {
    width: 100%;
    margin: 0;
    padding-top: 110px;
  }

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

  .project-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .sub-content-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 0 64px;
  }

  .sub-side {
    position: static;
    top: auto;
    width: 100%;
    padding: 0;
  }

  .sub-side-title {
    font-size: 18px;
    margin-bottom: 12px;
  }

  .sub-side-nav {
    border-top-width: 1px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .sub-side-nav a {
    width: 100%;
    min-height: 42px;
    border: 1px solid #e7e7e7;
  }

  .sub-content .sub-section {
    padding: 24px 24px;
  }

  .sub-content .sub-wrap h2 {
    font-size: 36px;
  }
}

@media (max-width: 799px) {
  .container {
    width: min(100% - 32px, 375px);
  }

  .site-header {
    position: fixed;
  }

  .header-inner {
    height: 56px;
    padding: 0;
    gap: 8px;
  }

  .logo {
    width: 120px;
    height: 42px;
  }

  .logo img {
    width: 122px;
    height: 48px;
  }

  .gnb {
    display: none;
  }

  main {
    padding-top: 56px;
  }

  .hero-section,
  .service-section {
    min-height: 800px;
  }

  .hero-content h1 {
    font-size: 44px;
  }

  .hero-content p {
    font-size: 20px;
  }

  .hero-dots {
    right: 16px;
    top: 518px;
    transform: none;
    width: 24px;
    gap: 16px;
  }

  .hero-dots li {
    width: 24px;
    height: 24px;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-copy h2,
  .section-head h2,
  .project-head h2,
  .service-inner h2,
  .partners-title,
  .sub-hero h1 {
    font-size: 32px;
  }

  .sub-hero {
    min-height: 160px;
    padding: 0;
  }

  .sub-wrap h2 {
    font-size: 28px;
  }

  .sub-wrap p,
  .sub-list li {
    font-size: 16px;
  }

  .sub-content-grid {
    padding: 28px 0 48px;
  }

  .sub-side-nav {
    grid-template-columns: 1fr;
  }

  .sub-content {
    gap: 14px;
  }

  .sub-content .sub-section {
    padding: 18px 16px;
    border-radius: 10px;
  }

  .sub-content .sub-wrap h2 {
    font-size: 30px;
  }

  .sub-breadcrumb {
    font-size: 12px;
  }

  .content-visual img {
    height: 170px;
  }

  .content-visual-text {
    font-size: 34px;
  }

  .about-media img {
    height: 273px;
  }

  .project-head {
    align-items: flex-start;
  }

  .project-list {
    margin-top: 40px;
    grid-template-columns: 1fr;
  }

  .project-list article {
    min-height: 280px;
    padding: 40px 20px;
  }

  .partners-logos {
    grid-template-columns: repeat(2, 1fr);
  }

  .partners-logos > div:nth-child(2n) {
    border-right: 0;
  }

  .partners-logos > div:nth-child(-n + 2) {
    border-bottom: 1px solid #e0e0e0;
  }

  .footer-inner {
    min-height: 260px;
    padding: 40px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .company-meta {
    font-size: 14px;
    line-height: 1.8;
  }
}

@media (max-width: 1279px) {
  .lead-copy {
    font-size: 32px;
  }

  .body-copy p {
    font-size: 16px;
    line-height: 1.75;
  }

  .signature {
    font-size: 17px;
  }

  .content-visual-banner .content-visual-text {
    font-size: 40px;
  }

  .history-group h3 {
    font-size: 34px;
  }

  .history-table strong {
    font-size: 26px;
  }

  .history-table span {
    font-size: 16px;
  }

  .product-grid,
  .example-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 799px) {
  .sub-content .sub-wrap h2 {
    font-size: 32px;
  }

  .lead-copy {
    font-size: 26px;
    margin-top: 14px;
  }

  .content-visual-banner img {
    height: 190px;
  }

  .content-visual-banner .content-visual-text {
    font-size: 28px;
  }

  .body-copy {
    gap: 12px;
  }

  .history-group h3 {
    font-size: 28px;
  }

  .history-table li {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 12px;
  }

  .history-table strong {
    font-size: 22px;
  }

  .history-table span {
    font-size: 14px;
  }

  .location-table div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .product-grid,
  .example-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .example-thumb img {
    height: 190px;
  }

  .board-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .board-search {
    width: 100%;
  }

  .board-search input {
    width: 100%;
  }

  .btn-write {
    width: 100%;
  }

  .pagination a {
    min-width: 46px;
    height: 38px;
    font-size: 16px;
  }

}