/* Responsive */

@media (max-width: 860px) {
  :root {
    --header-height: 78px;
    --header-logo-height: 58px;
    --header-blog-height: 30px;
    --header-action-size: 0.72rem;
  }

  .header-inner {
    position: relative;
    min-height: var(--header-height);
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
  }

  .site-nav {
    flex: 1;
    justify-content: flex-end;
    gap: 8px;
    min-width: 0;
  }

  .nav-actions {
    flex: 0 0 auto;
    gap: 6px;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    z-index: 60;
    display: grid;
    gap: 0;
    padding: 10px;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 18px 40px rgba(23, 32, 51, 0.14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
    pointer-events: none;
  }

  .site-header.is-mobile-menu-open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-links a {
    padding: 13px 12px;
    color: var(--color-text) !important;
    border-radius: 6px;
  }

  .nav-links a.is-active {
    color: var(--color-primary) !important;
  }

  .nav-links a:hover {
    background: rgba(0, 153, 0, 0.08);
  }

  .nav-cta {
    min-width: 0;
    min-height: 32px;
    padding: 0 10px;
    white-space: nowrap;
  }

  .nav-blog {
    min-width: 30px;
    padding: 0;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--color-border);
    border-radius: 6px;
  }

  .mobile-menu-toggle span {
    width: 16px;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
    transition: transform 0.22s ease, opacity 0.22s ease;
  }

  .site-header.is-overlay.is-at-top .mobile-menu-toggle {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.54);
  }

  .site-header.is-mobile-menu-open .mobile-menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.is-mobile-menu-open .mobile-menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-mobile-menu-open .mobile-menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  @media (max-width: 420px) {
    :root {
      --header-logo-height: 50px;
      --header-blog-height: 26px;
      --header-action-size: 0.66rem;
    }

    .header-inner {
      gap: 6px;
    }

    .site-nav {
      gap: 5px;
    }

    .nav-cta {
      min-height: 30px;
      padding: 0 8px;
    }

    .mobile-menu-toggle {
      width: 32px;
      height: 32px;
    }
  }

  .hero {
    min-height: 100vh;
    padding: 150px 0 56px;
  }

  .hero-title {
    font-size: clamp(1.35rem, 7.5vw, 2.45rem);
  }

  .hero-copy br {
    display: none;
  }

  .hero-actions {
    flex-wrap: wrap;
    gap: 12px;
  }

  .certification-mark-list {
    flex-wrap: wrap;
    gap: 18px 24px;
    margin-bottom: 38px;
  }

  .certification-mark-list img {
    height: 68px;
  }

  .export-products-title {
    margin-bottom: 42px;
  }

  .export-product-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 12px;
  }

  .export-product-item img {
    width: min(100%, 160px);
    height: auto;
  }

  .feature-section {
    min-height: 420px;
  }

  .feature-title {
    font-size: clamp(1.3rem, 6.2vw, 2rem);
  }

  .origin-inner {
    grid-template-columns: 1fr;
    width: min(100% - 32px, 560px);
    gap: 28px;
  }

  .origin-copy {
    min-height: auto;
    padding: 0 0 34px;
  }

  .origin-copy-top {
    padding-bottom: 34px;
  }

  .origin-stats {
    gap: 22px;
    padding-top: 30px;
  }

  .origin-image {
    padding-left: 0;
  }

  .exposition-inner {
    grid-template-columns: 1fr;
    width: min(100% - 32px, 620px);
    gap: 36px;
  }

  .exposition-gallery {
    gap: 18px;
  }

  .exposition-image.is-first,
  .exposition-image.is-third,
  .exposition-image.is-fourth {
    margin-top: 0;
  }

  .buyer-meeting-marquee {
    width: min(100% - 32px, 620px);
    margin-top: 46px;
  }

  .buyer-meeting-track img {
    width: min(82vw, 420px);
  }

  .gallery-lightbox {
    padding: 18px;
  }

  .gallery-lightbox button {
    width: 42px;
    height: 42px;
  }

  .patents-inner {
    width: min(100% - 32px, 620px);
  }

  .certificate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .certificate-card {
    min-height: 300px;
    padding: 18px;
  }

  .certificate-card img {
    max-height: 184px;
  }

  .certificate-card h3 {
    min-height: 42px;
    font-size: 0.82rem;
  }

  .page-title-line {
    gap: 12px;
    margin-top: 34px;
  }

  .about-page-intro {
    margin-top: 28px;
  }

  .about-whatdo-inner h2 {
    margin-bottom: 28px;
  }

  .about-whatdo-inner p {
    margin-top: 28px;
    font-size: 0.92rem;
  }

  .about-homepage-inner > img {
    margin-bottom: 36px;
  }

  .about-homepage-copy {
    padding: 30px 20px;
  }

  .about-homepage-note {
    margin-top: 32px;
    font-size: 0.92rem;
  }

  .about-design-field-inner h2 {
    margin-bottom: 32px;
  }

  .about-product-export-copy {
    margin-bottom: 32px;
  }

  .about-product-export-copy h2 span {
    display: block;
    margin-left: 0;
  }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-content {
    gap: 34px;
  }

  .about-divider {
    width: min(100%, 520px);
  }

  .about-detail {
    text-align: left;
  }

  .about-decoration,
  .business-image {
    margin-right: auto;
    margin-left: auto;
  }

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

  .works-preview-inner {
    width: min(100% - 32px, 520px);
  }

  .works-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .contact-heading {
    margin-bottom: 38px;
  }

  .contact-heading h1 {
    font-size: clamp(1.8rem, 9vw, 2.6rem);
  }

  .contact-heading p br {
    display: none;
  }

  .contact-card-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .contact-card {
    min-height: auto;
    padding: 30px 22px;
  }

  .contact-address-detail {
    padding-left: 0;
  }

  .works-heading {
    margin-bottom: 34px;
  }

  .works-heading h1 span {
    display: block;
    margin-left: 0;
  }

  .works-service-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .works-service-card {
    min-height: auto;
    padding: 34px 24px;
  }

  .works-content-block {
    margin-top: 52px;
    padding-top: 46px;
  }

  .works-block-heading {
    margin-bottom: 34px;
  }

  .works-block-heading h2 span {
    display: block;
    margin-left: 0;
  }

  .works-product-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .works-character-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    width: min(100% - 32px, 620px);
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 14px 22px;
    margin-bottom: 34px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-logo img {
    width: 104px;
  }
}