@media (max-width: 768px) {
  header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: auto !important;
    min-height: 0 !important;
    padding: 8px 6px 10px 12px !important;
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 8px !important;
    row-gap: 8px !important;
    background: rgba(255, 255, 255, 0.98) !important;
    border-bottom: 1px solid var(--gray-mid, #e0e0e0) !important;
    z-index: 1000 !important;
  }

  .header-logo {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    margin-right: 0 !important;
    min-width: 0 !important;
    flex: 0 0 auto !important;
  }

  .logo-img {
    height: 24px !important;
    width: auto !important;
    display: block !important;
  }

  .header-right {
    margin-left: auto !important;
    margin-right: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 6px !important;
    flex: 0 0 auto !important;
  }

  .header-back {
    display: inline-flex !important;
    align-items: center !important;
    order: 2 !important;
    gap: 6px !important;
    min-height: 28px !important;
    white-space: nowrap !important;
    margin: 0 !important;
    padding: 4px 0 !important;
    transform: none !important;
  }

  .header-back span {
    font-size: 12px !important;
    line-height: 1 !important;
  }

  .header-back img,
  .header-back::before {
    width: 14px !important;
    height: 14px !important;
  }

  .header-icon-img,
  .header-icon-canvas {
    display: none !important;
  }

  .header-nav {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    width: 100% !important;
    order: 3 !important;
    gap: 8px !important;
    margin-top: 8px !important;
  }

  .nav-item {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    min-width: 0 !important;
    width: 100% !important;
    height: 40px !important;
    padding: 0 10px !important;
    gap: 6px !important;
    font-size: 12px !important;
    line-height: 1.2 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    border-right: 0 !important;
  }

  .nav-dot {
    width: 18px !important;
    height: 18px !important;
    flex-shrink: 0 !important;
  }

  .nav-dot::after {
    width: 14px !important;
    height: 14px !important;
  }

  main {
    padding-top: 144px !important;
  }

  .corner-icons {
    display: none !important;
  }
}