/* FINOWA Article UI v1.2 — page layout without a desktop sidebar.
 * Opt-in only: article has no .article-side, no TOC is added automatically.
 * Keep narrow text column centered instead of reserving an empty grid track.
 */
body.finowa-article-v12.finowa-v12-no-toc.finowa-v12-no-sidebar.finowa-standard-v1.finowa2-standard-article.ds2-article .content-shell {
  width:min(780px,calc(100% - 40px));
  max-width:780px;
  grid-template-columns:minmax(0,1fr);
  justify-content:center;
}
@media (max-width:640px) {
  body.finowa-article-v12.finowa-v12-no-toc.finowa-v12-no-sidebar.finowa-standard-v1.finowa2-standard-article.ds2-article .content-shell {
    width:calc(100% - 24px);
    max-width:none;
  }
}