.bilingual-article {
  --article-serif: Georgia, 'Times New Roman', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
  width: min(820px, calc(100% - 64px));
  margin: 76px auto 100px;
}

.bilingual-article [hidden] { display: none !important; }
.bilingual-article .article-heading .category {
  font: 600 10px/1.6 var(--sans);
  letter-spacing: 1.7px;
  margin: 0 0 24px;
}
.bilingual-article h1 {
  font-size: clamp(38px, 5.2vw, 68px);
  line-height: 1.1;
  letter-spacing: -.045em;
  margin: 0 0 28px;
  text-wrap: balance;
}
.bilingual-article .article-subtitle {
  max-width: 680px;
  font: 20px/1.65 var(--serif);
  color: var(--muted);
  margin: 0 0 32px;
}
.bilingual-article .language-switch {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  color: var(--muted);
}
.bilingual-article .language-switch button {
  appearance: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font: 600 12px/1.5 var(--sans);
  letter-spacing: 1.3px;
  padding: 10px 8px;
  min-height: 44px;
  cursor: pointer;
}
.bilingual-article .language-switch button[aria-pressed="true"] {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 7px;
  text-decoration-thickness: 1px;
}
.bilingual-article .language-switch button:hover { color: var(--accent); }
.bilingual-article .language-switch button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.bilingual-article .article-image { margin: 36px 0 64px; }
.bilingual-article .article-body {
  max-width: 700px;
  margin-inline: auto;
  font-family: var(--article-serif);
  overflow-wrap: break-word;
  line-break: strict;
}
.bilingual-article .article-body p {
  font-size: 18px;
  line-height: 2;
  margin: 0 0 1.45em;
}
.bilingual-article .article-body[lang="en"] p { font-size: 20px; line-height: 1.8; }
.bilingual-article .article-body h2 {
  font-family: var(--article-serif);
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.6;
  margin: 64px 0 28px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.bilingual-article .article-body .article-lead { font-size: 22px; line-height: 1.9; }
.bilingual-article .article-body[lang="ja"] > p { margin-bottom: 1.05em; }
.bilingual-article .article-body[lang="ja"] h2 {
  margin: 56px 0 24px;
  padding-top: 22px;
}
.bilingual-article .article-body[lang="ja"] .editorial-signature {
  font-size: 24px;
  line-height: 1.6;
  margin: 36px 0 32px;
}
.bilingual-article strong { font-weight: 700; }
.bilingual-article .article-colophon {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 56px;
  color: var(--muted);
}
.bilingual-article .article-body .article-colophon p {
  font: 11px/1.8 var(--sans);
  letter-spacing: 1px;
  margin: 0 0 8px;
}
.bilingual-article .article-back { margin-top: 48px; }

@media (max-width: 700px) {
  .bilingual-article { width: calc(100% - 40px); margin: 44px auto 64px; }
  .bilingual-article h1 { font-size: clamp(34px, 9vw, 48px); }
  .bilingual-article .article-subtitle { font-size: 18px; }
  .bilingual-article .article-image { margin: 28px 0 40px; }
  .bilingual-article .article-body p { font-size: 17px; line-height: 1.95; }
  .bilingual-article .article-body[lang="en"] p { font-size: 18px; line-height: 1.8; }
  .bilingual-article .article-body .article-lead { font-size: 20px; }
  .bilingual-article .article-body h2 { margin-top: 48px; font-size: 24px; }
  .bilingual-article .article-body[lang="ja"] h2 { margin: 44px 0 22px; }
  .bilingual-article .article-body[lang="ja"] .editorial-signature {
    font-size: 22px;
    margin: 32px 0 28px;
  }
}