.os-lit__track.is-selected { border-color: var(--night-accent); }
.os-lit__track-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin: 0 0 14px;
  padding: 10px 24px;
  border: 1px solid #e7cda7;
  border-radius: 2px;
  background: #e7cda7;
  color: #171c28;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.os-lit__track-play[hidden] { display: none; }
.os-lit__track-play:hover { background: #f8e3c3; }
.os-lit__track-play:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.os-lit__track-prompt { color: #f5dfb9; font-size: .9rem; line-height: 1.6; margin: 0 0 8px; }
.os-lit__track-prompt[hidden] { display: none; }

.os-lit__track-current:not([hidden]) {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-left: 8px;
  padding: 2px 9px;
  border: 1px solid currentColor;
  border-radius: 99px;
  color: #ead4b0;
  font-size: .68rem;
  letter-spacing: .04em;
  vertical-align: middle;
}
.os-lit__track-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 16px;
}
.os-lit__track-links .os-lit__note-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 9px 15px;
  border: 1px solid #d8bb91;
  color: #f2dfc2;
  background: rgba(13, 20, 31, .22);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  text-decoration: none;
}
.os-lit__track-links .os-lit__note-button:hover { background: rgba(231, 205, 167, .15); text-decoration: none; }
.os-lit__track-links .os-lit__night-index-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #d0c9d0;
  font-size: .78rem;
  text-underline-offset: .25em;
}
.os-lit__track-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 18px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--lit-line);
  font-size: .9rem;
}
.os-lit__track-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: #d6c4ab;
  text-decoration: none;
}
.os-lit__track-nav a:hover { color: #fff0d8; text-decoration: underline; text-underline-offset: .25em; }
.os-lit__track-nav a:focus-visible,
.os-lit__night-index summary:focus-visible,
.os-lit__lyrics summary:focus-visible,
.os-lit__night-index a:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.os-lit__lyrics { margin-top: 12px; border-top: 1px solid var(--lit-line); }
.os-lit__lyrics summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  color: #e7cda7;
  font-size: .88rem;
  font-weight: 700;
  cursor: pointer;
}
.os-lit__lyrics summary::after,
.os-lit__night-index summary::after {
  content: '＋';
  margin-left: auto;
  color: #d8bb91;
  font-size: 1.1rem;
  line-height: 1;
}
.os-lit__lyrics[open] summary::after,
.os-lit__night-index[open] summary::after { content: '−'; }
.os-lit__lyrics pre {
  margin: 0 0 18px;
  padding: 16px;
  border-left: 2px solid var(--night-accent);
  background: rgba(8, 13, 21, .28);
  color: #eee9e1;
  font: inherit;
  line-height: 1.9;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.os-lit__night-index { margin-top: 18px; border-top: 1px solid var(--lit-line); }
.os-lit__night-index summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  color: #edd8b8;
  font-weight: 700;
  cursor: pointer;
}
.os-lit__night-index ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 24px;
  margin: 0 0 8px;
  padding-left: 1.5rem;
}
.os-lit__night-index li { padding-left: 4px; color: #c8b08e; }
.os-lit__night-index a { display: inline-flex; align-items: center; min-height: 42px; color: #e1d3c3; font-size: .88rem; text-underline-offset: .25em; }

/* この特集ではルートサイズが10pxのページ環境でも本文を読みやすく保つ。 */
.os-lit__crumbs { font-size: 14px; }
.os-lit__eyebrow { font-size: 12px; }
.os-lit__hero-copy h1 span { font-size: 16px; }
.os-lit__lead { font-size: 18px; line-height: 1.9; }
.os-lit__meta { font-size: 14px; }
.os-lit__byline { font-size: 16px; }
.os-lit__button,
.os-lit__textlink { font-size: 16px; line-height: 1.45; }
.os-lit__story p:not(.os-lit__eyebrow),
.os-lit__note p:not(.os-lit__eyebrow) { font-size: 16px; }
.os-lit__credits dt,
.os-lit__credits dd { font-size: 16px; }
.os-lit__play-note { font-size: 15px; }
.os-lit__play-status { font-size: 14px; }
.os-lit__track-play { font-size: 16px; }
.os-lit__track-number { font-size: 12px; }
.os-lit__track-current:not([hidden]) { font-size: 12px; }
.os-lit__track h3 { font-size: clamp(18px, 2vw, 22px); }
.os-lit__track-desc { font-size: 16px; line-height: 1.7; }
.os-lit__track-prompt { font-size: 14px; }
.os-lit__track-links { font-size: 14px; }
.os-lit__track-links .os-lit__night-index-link { font-size: 14px; }
.os-lit__track-nav { font-size: 14px; }
.os-lit__track-nav a { min-height: 44px; font-size: 14px; }
.os-lit__lyrics summary { font-size: 16px; }
.os-lit__lyrics pre { font-size: 16px; }
.os-lit__night-index summary { font-size: 16px; }
.os-lit__night-index li,
.os-lit__night-index a { font-size: 14px; }
@media (max-width: 520px) {
  .os-lit__track-links { align-items: stretch; flex-direction: column; gap: 4px; }
  .os-lit__track-links .os-lit__note-button { align-self: flex-start; max-width: 100%; }
  .os-lit__track-links .os-lit__night-index-link { align-self: flex-start; }
  .os-lit__track-nav { gap: 0 12px; }
  .os-lit__track-nav a { font-size: 14px; }
  .os-lit__night-index ol { grid-template-columns: 1fr; }
}