/* Language switch between the Japanese (/) and English (/en/) pages. */
.lang-switch { display: inline-flex; align-items: center; flex: none; gap: 2px; padding: 2px; border: 1px solid var(--border-default); border-radius: var(--radius-pill); }
.lang-switch a {
  display: inline-flex; align-items: center; justify-content: center; min-width: 40px; min-height: 40px; padding: 0 9px;
  border-radius: var(--radius-pill); font-size: 13px; font-weight: 500; color: var(--text-secondary);
}
.lang-switch a:hover { background: var(--surface-hover); color: var(--text-primary); text-decoration: none; }
.lang-switch a[aria-current="true"],
.lang-switch a[aria-current="true"]:hover { background: var(--gray-950); color: var(--white); }

@media (max-width: 859.98px) {
  /* The switch takes the free space, so the menu button sits right after it. */
  .lang-switch { margin-left: auto; }
  .lang-switch ~ .site-header__menu { margin-left: 0; }
}