@media (max-width: 860px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 10px 0 8px;
  }

  .nav {
    display: flex;
    width: 100%;
    gap: 8px;
    overflow-x: auto;
    padding: 2px 0 4px;
  }

  .nav a {
    flex: 0 0 auto;
    padding: 5px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    font-size: .8rem;
  }
}