/* ==================================================
   DISCOページ専用スタイル
   ================================================== */
#disco-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
    opacity: 0;
    transition: opacity 0.8s;
}
#disco-section.active { opacity: 1; }

#disco-section h2.page-title {
    font-size: 1.5rem;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.11em;
    border-bottom: 1.4px solid #444;
    margin-bottom: 3rem;
    padding-bottom: 0.8em;
    text-align: center;
}

.disco-list {
  list-style: none;
  border-top: 1.2px solid #333740;
  max-width: 540px;
  margin: 0 auto 2.3rem auto;
  padding: 0;
}
.disco-list .disco-item {
  display: flex;
  align-items: flex-start;
  border-bottom: 1.2px solid #333740;
  padding: 1.5rem 0 1.25rem 0;
  gap: 1.1em;
  background: none;
  border-radius: 0;
  box-shadow: none;
}
.disco-jacket {
  width: 71px;
  height: 71px;
  object-fit: cover;
  border-radius: 10px;
  background: #222930;
  box-shadow: 0 2px 11px #3196b342;
  margin-right: 1.18em;
  flex-shrink: 0;
}
.disco-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}
.disco-title {
  font-size: 1.09em;
  font-weight: 500;
  color: #fff;
  margin-bottom: 0.11em;
  letter-spacing: .09em;
  font-family:"Shippori Mincho", serif;
}
.disco-date {
  color: #86cafc;
  font-size: 0.97em;
  margin-bottom: 0.13em;
  font-weight: 400;
  letter-spacing: .04em;
}
.disco-tracklist {
  color: #d8f3ff;
  margin: .24em 0 .34em 0;
  font-size: .97em;
  font-weight: 350;
  line-height: 1.6;
  padding-left: 0.1em;
  position: relative;
  width: 100%;
  word-break: break-all;
}
.disco-tracklist ol {
  padding-left: 1.2em;
  margin: 0;
}
.disco-tracklist li {
  margin-bottom: .14em;
}
.track-more { display: none; }
.disco-item.expanded .track-more { display: list-item; }

/* ==== 続きを見る/閉じるボタン ==== */
.track-toggle,
.track-close {
  display: inline-block;
  margin-top: .25em;
  cursor: pointer;
  font-size: .96em;
  font-weight: 350;
  border-radius: .7em;
  background: rgba(36, 54, 80, 0.12);
  padding: .15em .7em;
  transition: .14s;
  outline: none;
  color: #6cbdff;
}
.track-toggle:hover, .track-toggle:focus,
.track-close:hover, .track-close:focus {
  background: rgba(127, 166, 250, .12);
  color: #bbeeff;
}
.track-close {
  margin-left: .8em;
  color: #acd5f4;
  display: none;
}
.disco-item.expanded .track-toggle { display: none; }
.disco-item.expanded .track-close { display: inline-block; }
.track-toggle[tabindex]:focus { box-shadow: 0 0 0 2px #51d5f6bb; }

/* ==== リンク系 ==== */
.disco-links {
  margin-top: .1em;
  text-align: left;
}
.disco-links a {
  display: inline-block;
  margin: 0 0.25em 0 0;
  background: linear-gradient(110deg, #74e1ff77 30%, #e0fbffa2 90%);
  border-radius: .6em;
  padding: .32em .95em;
  color: #0c3459;
  font-weight: 350;
  text-decoration: none;
  font-size: .96em;
  box-shadow: 0 1px 8px #5acbffaa;
  transition: .14s;
}
.disco-links a:hover {
  filter: brightness(.96) contrast(1.11);
  background: linear-gradient(110deg, #b6f3ffcc 10%, #67bfffaa 100%);
}
.disco-links i { margin-right: .35em; }

/* ==== レスポンシブ ==== */
@media (max-width:600px) {
  .disco-list { max-width: 98vw; }
  .disco-list .disco-item { padding: 0.92em 0 0.48em 0; gap: 0.5em; }
  .disco-jacket { width: 48px; height: 48px; }
}