.desktop-contact {
  display: none;
}

@media (min-width: 900px) {
  body {
    background: #fff;
  }

  .site-shell {
    max-width: none;
    box-shadow: none;
  }

  .site-header {
    position: relative;
    display: grid;
    grid-template-areas:
      "brand contact"
      "nav nav";
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 0;
    padding: 20px 0 0;
    border-bottom: 0;
    background: #fff;
  }

  .brand {
    grid-area: brand;
    gap: 14px;
    margin-left: max(24px, calc((100vw - 1200px) / 2));
  }

  .brand-mark {
    width: 62px;
    height: 62px;
    font-size: 30px;
  }

  .brand strong {
    max-width: none;
    font-size: 21px;
  }

  .brand small {
    margin-top: 6px;
    font-size: 12px;
  }

  .desktop-contact {
    display: flex;
    grid-area: contact;
    align-items: flex-end;
    flex-direction: column;
    justify-content: center;
    padding-left: 42px;
    margin-right: max(24px, calc((100vw - 1200px) / 2));
    border-left: 1px solid var(--line);
  }

  .desktop-contact small {
    color: var(--muted);
    font-size: 12px;
  }

  .desktop-contact a {
    margin-top: 4px;
    color: var(--red);
    font-size: 23px;
    font-weight: 800;
    text-decoration: none;
  }

  .menu-button {
    display: none;
  }

  .site-nav,
  .site-nav.open {
    position: static;
    display: flex;
    grid-area: nav;
    justify-content: center;
    gap: 0;
    margin: 18px 0 0;
    padding: 0 max(24px, calc((100vw - 1200px) / 2));
    border: 0;
    background: #172a34;
  }

  .site-nav a {
    min-width: 150px;
    padding: 15px 28px;
    border-right: 1px solid #ffffff18;
    background: transparent;
    color: #fff;
    font-size: 15px;
  }

  .site-nav a:first-child {
    border-left: 1px solid #ffffff18;
  }

  .site-nav a:hover {
    background: var(--red);
  }

  .hero {
    width: 100%;
    height: 560px;
    aspect-ratio: auto;
    padding: 0;
    background: #eef0f1;
  }

  .hero-carousel .hero-slide img {
    object-fit: cover;
    background: #eef0f1;
  }

  .hero-dots {
    bottom: 20px;
  }

  .quick-points {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 40px;
  }

  .quick-points i {
    width: 46px;
    height: 46px;
    font-size: 18px;
  }

  .quick-points span {
    font-size: 13px;
  }


  .section {
    padding: 68px max(24px, calc((100% - 1200px) / 2));
  }

  .reference-heading {
    margin-bottom: 30px;
  }

  .reference-heading h2 {
    font-size: 30px;
  }

  .reference-heading h2 img {
    width: 28px;
    height: 28px;
  }

  .reference-heading > a {
    font-size: 13px;
  }

  .category-links,
  .category-filter {
    justify-content: center;
  }

  .product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .product-card img {
    aspect-ratio: 4 / 3;
  }

  .product-card strong {
    font-size: 16px;
  }

  .cases-grid-section .case-scroll {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .cases-grid-section .case-card strong {
    font-size: 15px;
  }

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

  .about-image {
    min-height: 470px;
  }

  .about-copy {
    display: flex;
    justify-content: center;
    flex-direction: column;
    padding: 70px max(60px, calc((100vw - 1200px) / 2));
  }

  .about-copy h2 {
    margin: 12px 0 10px;
    font-size: 32px;
  }

  .about-copy p {
    max-width: 560px;
    font-size: 15px;
  }

  .advantages-band {
    min-height: 440px;
    padding: 72px max(24px, calc((100% - 1200px) / 2));
  }

  .advantages-inner {
    max-width: 700px;
  }

  .advantages-text {
    font-size: 15px;
  }

  .advantages-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .featured-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .featured-item {
    min-height: 150px;
  }

  .featured-item img {
    min-height: 150px;
    max-height: 170px;
  }

  .featured-copy strong {
    font-size: 17px;
  }

  .featured-copy p {
    font-size: 12px;
  }

  .service-strip {
    max-width: 1164px;
    margin: 0 auto 54px;
    padding: 14px 18px;
  }

  .service-strip > img {
    width: 58px;
    height: 58px;
  }

  .service-strip strong {
    font-size: 16px;
  }

  .service-strip small {
    font-size: 12px;
  }

  .article-list > a {
    padding: 18px 6px;
  }

  .article-list strong {
    font-size: 16px;
  }

  .footer {
    padding: 50px 24px 90px;
  }

  .contact-bar {
    right: 24px;
    bottom: 20px;
    left: auto;
    width: 390px;
    transform: none;
  }

  .page-hero {
    padding: 72px max(24px, calc((100% - 1200px) / 2));
  }

  .page-hero h1 {
    font-size: 40px;
  }

  .list-section {
    max-width: 1200px;
    min-height: 60vh;
    margin: 0 auto;
    padding-right: 0;
    padding-left: 0;
  }

  .listing-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .product-listing .listing-card span {
    min-height: 76px;
  }

  .article-list {
    max-width: 1000px;
    margin: 0 auto;
  }

  .detail-page {
    max-width: 1200px;
    margin: 0 auto;
  }

  .detail-cover {
    padding-top: 46px;
  }

  .detail-product .detail-cover img,
  .detail-case .detail-cover img {
    max-width: 720px;
  }

  .detail-article {
    max-width: 940px;
    margin: 0 auto;
    padding: 42px 24px;
  }

  .detail-article h1 {
    font-size: 36px;
  }

  .detail-cta {
    max-width: 940px;
    margin-right: auto;
    margin-left: auto;
  }

  .about-page {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px;
  }

  .about-visual {
    min-height: 460px;
  }

  .about-advantages .advantage-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}