@media (max-width: 1024px) {
  .topbar {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .notice-board {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .container {
    width: min(100%, calc(100% - 12px));
  }

  .topbar {
    grid-template-columns: 1fr auto;
    gap: 8px;
  }

  .brand {
    grid-column: 1 / -1;
  }

  .searchbar {
    grid-column: 1 / -1;
  }

  .mainnav {
    display: none;
    overflow-x: auto;
    white-space: nowrap;
    flex-wrap: nowrap;
  }

  .mainnav.is-open {
    display: flex;
  }

  .hero-panel {
    min-height: 110px;
    padding: 18px;
  }

  .hero-copy h1 {
    font-size: 24px;
  }

  .vod-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

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

@media (max-width: 420px) {
  html {
    font-size: 14px;
  }

  .section-title {
    padding: 7px 8px;
  }

  .vod-meta {
    padding: 6px;
  }

  .vod-title {
    min-height: 34px;
    font-size: 12px;
  }

  .vod-time,
  .text-list a,
  .notice-list li,
  .link-list li {
    font-size: 11px;
  }
}