@media (max-width: 760px) {
  header.nav-open nav {
    position: absolute;
    top: 86px;
    right: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 12px 5vw 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  header.nav-open nav a {
    padding: 12px 0;
  }
}