/* Shared reading layout for published articles and future article templates. */
.article-shell.article-body {
  width: 100%;
  max-width: 828px;
  margin-inline: auto;
  border-radius: 16px;
  box-shadow: none;
}

.article-contents { display: none; }

@media (max-width: 767px) {
  .article-contents {
    display: block;
    width: 100%;
    max-width: 828px;
    margin: 0 auto 20px;
    padding: 0 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: white;
  }
  .article-contents summary { padding: 16px 0; color: var(--text); font-size: 16px; font-weight: 700; line-height: 1.4; cursor: pointer; }
  .article-contents nav { padding-bottom: 12px; }
  .article-contents ol { display: grid; gap: 4px; margin: 0; padding-left: 22px; }
  .article-contents a { display: block; min-height: 44px; padding: 10px 4px; color: var(--dark); font-size: 15px; line-height: 1.5; text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
  .article-contents :focus-visible { outline: 3px solid var(--dark); outline-offset: 3px; }
  .article-body h2[id] { scroll-margin-top: 116px; }
}

@media (max-width: 640px) {
  .article-shell.article-body {
    padding: 20px;
  }
}