/* =========================================================
   Theme / Base
   ========================================================= */

:root {
  --bg: #080b12;
  --bg-soft: #0d111b;
  --surface: #111724;
  --surface-2: #161d2c;
  --surface-3: #0c111b;
  --text: #f5f7fb;
  --muted: #8e9aaf;
  --line: rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .16);
  --accent: #78f0d1;
  --accent-2: #7ba7ff;
  --danger: #ff8f9b;
  --max: 760px;
  --wide: 1100px;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
  --post-card-viewport-offset: 84px; /* header 68px + 16px */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 6%, rgba(123, 167, 255, .08), transparent 28rem),
    radial-gradient(circle at 10% 26%, rgba(120, 240, 209, .055), transparent 30rem),
    var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 18, .82);
  backdrop-filter: blur(18px);
}
.header-inner {
  width: min(100% - 40px, var(--wide));
  min-height: 68px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #07100d;
  background: var(--accent);
  border-radius: 11px;
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: -.02em;
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.15; }
.brand-copy .site-title { font-size: .84rem; letter-spacing: .08em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: .56rem; letter-spacing: .16em; }
.site-nav { display: flex; gap: 24px; }
.site-nav a {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
  transition: color .18s ease;
}
.site-nav a:hover { color: var(--text); }

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(120, 240, 209, .45), transparent);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: min(100% - 40px, var(--wide));
  margin-inline: auto;
  padding: 20px 0 86px;
}
.hero-glow {
  position: absolute;
  pointer-events: none;
  filter: blur(5px);
  border-radius: 999px;
}
.hero-glow--one {
  width: 420px;
  height: 420px;
  right: -80px;
  top: -120px;
  background: radial-gradient(circle, rgba(123, 167, 255, .15), transparent 68%);
}
.hero-glow--two {
  width: 360px;
  height: 360px;
  left: -150px;
  bottom: -160px;
  background: radial-gradient(circle, rgba(120, 240, 209, .12), transparent 68%);
}
.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .2em;
}
.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 5.8rem);
  line-height: .98;
  letter-spacing: -.065em;
  font-weight: 900;
}
.hero h1 span {
  color: transparent;
  background: linear-gradient(100deg, #ffffff 5%, var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-copy {
  max-width: 620px;
  margin: 28px 0 0;
  color: #aeb8c9;
  font-size: clamp(.95rem, 2vw, 1.08rem);
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
  padding: 12px 0;
  color: var(--text);
  font-size: .86rem;
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}
.hero-cta span { color: var(--accent); }

.archive { padding: 72px 0 96px; }
.archive-inner { width: min(100% - 32px, var(--max)); margin-inline: auto; }
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 10px;
}
.section-heading h2,
.about h2,
.privacy h2 {
  margin: 0;
  font-size: clamp(1.85rem, 5vw, 2.8rem);
  line-height: 1.18;
  letter-spacing: -.04em;
}
.section-heading > div:first-child > p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .88rem;
}
.section-heading strong { color: var(--text); }
.sort-panel { flex: 0 0 auto; }
.sort-label {
  display: block;
  margin-bottom: 8px;
  color: #68758a;
  font-size: .58rem;
  font-weight: 900;
  letter-spacing: .16em;
}
.sort-controls {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-3);
}
.sort-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  border-radius: 999px;
  padding: 9px 13px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: .78rem;
  font-weight: 800;
  cursor: pointer;
  transition: color .18s ease, background .18s ease, transform .18s ease;
}
.sort-button:hover { color: var(--text); }
.sort-button:active { transform: scale(.98); }
.sort-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.sort-button.is-active { color: #07110e; background: var(--accent); }
.sort-button__icon { font-size: .66rem; }
.sort-status {
  margin: 0 0 24px;
  color: #6f7c91;
  font-size: .76rem;
}

.status {
  padding: 42px 24px;
  color: var(--muted);
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.status--error { color: var(--danger); text-align: left; }

.post-list { display: flex; flex-direction: column; gap: 28px; overflow-anchor: none; }
.post-card {
  height: calc(100vh - var(--post-card-viewport-offset)) !important;
  height: calc(100dvh - var(--post-card-viewport-offset)) !important;

  display: flex !important;
  flex-direction: column !important;
  box-sizing: border-box !important;
  overflow: hidden !important;

  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), #0d131e);
  box-shadow: var(--shadow);
  transition: border-color .2s ease, transform .2s ease;
}
.post-card.is-virtual-hidden {
  display: none !important;
}

.post-card:hover { border-color: rgba(120, 240, 209, .22); }
.post-card__header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}
.track-number {
  min-width: 38px;
  color: #566276;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .12em;
  font-variant-numeric: tabular-nums;
}
.post-meta { min-width: 0; }
.post-title {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
}
.post-submeta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 14px;
  margin-top: 7px;
}
.metric {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #7f8ba0;
  font-size: .76rem;
  font-weight: 700;
}
.metric--likes { color: #c9d1df; }
.metric--likes span { color: #ff7f9a; }
.x-link {
  flex: 0 0 auto;
  padding: 8px 10px;
  color: #9eabbe;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: .7rem;
  font-weight: 800;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.x-link:hover { color: var(--text); border-color: var(--line-strong); background: var(--surface-2); }
.post-card__embed { padding: 8px 12px 18px; background: #090e16; }
.post-card__embed .twitter-tweet,
.post-card__embed iframe {
  width: 100% !important;
  max-width: 550px !important;
  margin-inline: auto !important;
}
.post-link-fallback { display: block; padding: 24px; color: var(--accent); text-align: center; }

.about {
  padding: 82px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0a0e16;
}
.about-inner {
  width: min(100% - 40px, var(--wide));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 140px minmax(0, 620px);
  gap: 42px;
  justify-content: center;
}
.about-number {
  color: #222c3d;
  font-size: 6rem;
  font-weight: 950;
  line-height: .9;
  letter-spacing: -.08em;
}
.about p:last-child { margin: 22px 0 0; color: var(--muted); }

.privacy { padding: 82px 0 92px; }
.privacy-inner { width: min(100% - 40px, var(--wide)); margin-inline: auto; }
.privacy-heading {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.privacy-heading .section-kicker { grid-column: 1 / -1; margin-bottom: -6px; }
.privacy-updated { margin: 0; color: #657187; font-size: .72rem; }
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
}
.privacy-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.privacy-item h3 { margin: 0; font-size: .92rem; }
.privacy-item p { margin: 11px 0 0; color: var(--muted); font-size: .82rem; }
.text-link {
  display: inline-flex;
  gap: 7px;
  margin-top: 12px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  text-decoration: none;
}

.site-footer { padding: 44px 0 36px; border-top: 1px solid var(--line); background: #06080d; }
.footer-inner,
.footer-note { width: min(100% - 40px, var(--wide)); margin-inline: auto; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; }
.footer-inner strong { font-size: .76rem; letter-spacing: .12em; }
.footer-inner p { margin: 6px 0 0; color: #657187; font-size: .76rem; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: #7f8ba0; font-size: .75rem; font-weight: 700; text-decoration: none; }
.footer-note { margin-top: 32px; padding-top: 18px; color: #4e5a6c; border-top: 1px solid var(--line); font-size: .66rem; }


/* =========================================================
   Responsive: general layout (<= 720px)
   ========================================================= */
@media (max-width: 720px) {
  :root { --post-card-viewport-offset: 78px; } /* header 62px + 16px */

  .header-inner { width: min(100% - 24px, var(--wide)); min-height: 62px; }
  .brand-copy small { display: none; }
  .site-nav { gap: 15px; }
  .site-nav a { font-size: .7rem; }

  .hero { min-height: 440px; }
  .hero-inner { width: min(100% - 28px, var(--wide)); padding: 66px 0 72px; }
  .hero h1 { font-size: clamp(2.65rem, 14vw, 4.3rem); }

  .archive { padding-top: 52px; }
  .section-heading { display: block; }
  .sort-panel { margin-top: 24px; }

  .about-inner {
    width: min(100% - 28px, var(--wide));
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .about-number { font-size: 3.6rem; }

  .privacy-inner { width: min(100% - 28px, var(--wide)); }
  .privacy-heading { grid-template-columns: 1fr; gap: 14px; }
  .privacy-grid { grid-template-columns: 1fr; }

  .footer-inner { width: min(100% - 28px, var(--wide)); display: block; }
  .footer-links { margin-top: 22px; }
  .footer-note { width: min(100% - 28px, var(--wide)); }
}

@media (max-width: 430px) {
  .site-nav a:first-child { display: none; }
  .brand-mark { width: 34px; height: 34px; border-radius: 9px; }
  .hero-copy { font-size: .9rem; }
  .sort-controls { width: 100%; }
  .sort-button { flex: 1; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

/* =========================================================
   Genre controls / Embed loading
   ========================================================= */

.genre-panel {
  margin: 26px 0 12px;
}
.genre-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.genre-button {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--muted);
  background: var(--surface-3);
  font: inherit;
  font-size: .78rem;
  font-weight: 800;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease;
}
.genre-button:hover {
  color: var(--text);
  border-color: var(--line-strong);
}
.genre-button:active { transform: scale(.98); }
.genre-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.genre-button.is-active {
  color: #07110e;
  border-color: var(--accent);
  background: var(--accent);
}
.post-card[hidden] { display: none !important; }
.post-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 5px;
}
.genre-badge {
  display: inline-flex;
  align-items: center;
  min-height: 21px;
  padding: 2px 8px;
  color: var(--accent);
  border: 1px solid rgba(120, 240, 209, .22);
  border-radius: 999px;
  background: rgba(120, 240, 209, .06);
  font-size: .62rem;
  font-weight: 900;
  letter-spacing: .05em;
}
.embed-target {
  min-height: 140px;
  display: grid;
  place-items: center;
}
.embed-loading {
  display: block;
  padding: 34px 18px;
  color: #647086;
  font-size: .78rem;
  text-align: center;
}


@media (max-width: 720px) {
  .genre-panel { margin-top: 22px; }
  .genre-controls {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin-inline: -4px;
    padding: 2px 4px 7px;
    scrollbar-width: thin;
  }
  .genre-button { flex: 0 0 auto; }
}

/* =========================================================
   Desktop post navigation
   ========================================================= */

.post-nav-controls {
  position: fixed;
  top: 54%;
  left: calc(50% + 468px);
  right: auto;
  bottom: auto;
  z-index: 44;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transform: translateY(-50%);
}
.post-nav-button {
  appearance: none;
  position: relative;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  background: rgba(18, 21, 27, .76);
  color: #fff;
  font: inherit;
  font-size: 28px;
  line-height: 1;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter: blur(16px) saturate(135%);
  -webkit-backdrop-filter: blur(16px) saturate(135%);
  transition: transform .16s ease, background .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.post-nav-button::after {
  position: absolute;
  left: 50%;
  top: calc(100% + 4px);
  transform: translateX(-50%);
  color: rgba(255,255,255,.72);
  font-size: 8px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: .08em;
  pointer-events: none;
  opacity: .82;
}
.post-nav-button--prev::after { content: "PREV"; }
.post-nav-button--next::after { content: "NEXT"; }
.post-nav-button:hover,
.post-nav-button:focus-visible {
  background: rgba(255,255,255,.96);
  border-color: rgba(255,255,255,.96);
  color: #090b0f;
  transform: scale(1.08);
  box-shadow: 0 14px 34px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.55);
  outline: none;
}
.post-nav-button:active { transform: scale(.94); }

@media (max-width: 1050px) {
  .post-nav-controls {
    left: auto;
    right: max(16px, env(safe-area-inset-right));
  }
}

/* =========================================================
   Mobile post card / X embed (<= 760px)
   Final mobile behavior: desktop floating post-nav is hidden,
   navigation buttons live inside each post card.
   ========================================================= */
.post-card__mobile-nav { display: none; }

@media (max-width: 760px) {
  .archive-inner {
    width: min(100% - 12px, var(--max)) !important;
  }

  .post-list {
    width: 100% !important;
    max-width: none !important;
    margin-inline: auto !important;
  }

  /* Desktop floating navigation is replaced by in-card controls. */
  .post-nav-controls { display: none !important; }
  .post-card { padding-bottom: 0 !important; }

  .post-card__header {
    grid-template-columns: 42px minmax(0, 1fr) auto !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 8px 9px !important;
    min-height: 0 !important;
  }

  .track-number {
    width: 42px !important;
    height: 44px !important;
    padding-top: 7px !important;
    border-radius: 10px !important;
    font-size: 17px !important;
  }
  .track-number::before { top: 5px !important; font-size: 6px !important; }

  .post-meta { min-width: 0 !important; }
  .post-labels { margin-bottom: 2px !important; }

  .genre-badge {
    min-height: 18px !important;
    padding: 2px 6px !important;
    font-size: 8px !important;
  }

  .post-title {
    display: -webkit-box !important;
    overflow: hidden !important;
    -webkit-box-orient: vertical !important;
    -webkit-line-clamp: 2 !important;
    margin: 0 !important;
    font-size: 14px !important;
    line-height: 1.24 !important;
    letter-spacing: -.01em !important;
  }

  .post-submeta { display: none !important; }

  .x-link {
    grid-column: 3 !important;
    grid-row: 1 !important;
    justify-self: end !important;
    align-self: center !important;
    min-height: 30px !important;
    margin: 0 !important;
    padding: 6px 8px !important;
    border-radius: 8px !important;
    font-size: 10px !important;
    white-space: nowrap !important;
  }

  .post-card__mobile-nav {
    flex: 0 0 54px !important;
    width: 100% !important;
    height: 54px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #0b0e13 !important;
    pointer-events: auto !important;
  }

  .post-card__mobile-nav--prev {
    border-bottom: 1px solid rgba(255,255,255,.08) !important;
  }

  .post-card.is-visible-rank-1
  .post-card__mobile-nav--prev
  .post-card__mobile-nav-button {
    visibility: hidden !important;
    pointer-events: none !important;
  }

  .post-card__mobile-nav--next {
    border-top: 1px solid rgba(255,255,255,.08) !important;
  }

  .post-card__mobile-nav-button {
    appearance: none !important;
    width: 72px !important;
    height: 45px !important;
    display: grid !important;
    place-items: center !important;
    padding: 0 !important;
    border: 1px solid rgba(255,255,255,.18) !important;
    border-radius: 12px !important;
    background: rgba(28,33,42,.96) !important;
    color: #fff !important;
    font: inherit !important;
    font-size: 22px !important;
    line-height: 1 !important;
    font-weight: 800 !important;
    box-shadow: 0 5px 16px rgba(0,0,0,.30) !important;
    cursor: pointer !important;
  }

  .post-card__mobile-nav-button:active {
    transform: scale(.94) !important;
  }

  .post-card__embed {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    min-height: 0 !important;
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
    align-items: flex-start !important;
    padding: 4px 2px 6px !important;
    overflow: hidden !important;
  }

  .embed-target {
    width: min(100%, 550px) !important;
    max-width: 550px !important;
    min-height: 0 !important;
    height: 100% !important;
    margin-inline: auto !important;
    display: flex !important;
    justify-content: center !important;
    align-items: flex-start !important;
  }

  .embed-target > div,
  .embed-target > div > div {
    width: 100% !important;
    max-width: 550px !important;
    margin-inline: auto !important;
  }

  .embed-target iframe,
  .post-card__embed iframe {
    display: block !important;
    width: 100% !important;
    max-width: 550px !important;
    margin-inline: auto !important;
    transform: none !important;
  }

  .back-to-top {
    bottom: max(12px, env(safe-area-inset-bottom)) !important;
  }
}

/* =========================================================
   Rank jump / desktop positioning
   ========================================================= */

.rank-jump-nav:not(.is-open) .rank-jump-buttons,
.rank-jump-nav:not(.is-open):hover .rank-jump-buttons,
.rank-jump-nav:not(.is-open):focus-within .rank-jump-buttons {
  max-height: 0 !important;
  margin-top: 0 !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  overflow: hidden !important;
  transform: translateY(-8px) !important;
}
.rank-jump-nav.is-open .rank-jump-buttons {
  max-height: min(64vh, 520px) !important;
  margin-top: 6px !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  transform: translateY(0) !important;
}
.rank-jump-nav.is-open .rank-jump-label::before {
  transform: translateY(-1px) !important;
}


/* Desktop/tablet: keep rank jump and TOP on one line; desktop places them near the right edge. */
@media (min-width: 761px) {
  .rank-jump-nav,
  .back-to-top {
    box-sizing: border-box;
  }

  .rank-jump-nav {
    top: max(260px, 18vh) !important;
  }
}

@media (min-width: 1051px) {
  .rank-jump-nav,
  .back-to-top {
    left: calc(100% - 72px) !important;
    right: auto !important;
  }
  .rank-jump-nav { transform: translateX(-50%) !important; }
  .back-to-top { transform: translateX(-50%) !important; }
  .back-to-top:hover,
  .back-to-top:focus-visible { transform: translateX(-50%) translateY(-3px) !important; }
  .back-to-top:active { transform: translateX(-50%) translateY(-1px) !important; }
}

@media (min-width: 761px) and (max-width: 1050px) {
  .rank-jump-nav,
  .back-to-top {
    left: auto !important;
    right: max(-46px, calc(env(safe-area-inset-right) - 46px)) !important;
  }
  .rank-jump-nav { transform: translateX(50%) !important; }
  .back-to-top { transform: translateX(50%) !important; }
  .back-to-top:hover,
  .back-to-top:focus-visible { transform: translateX(50%) translateY(-3px) !important; }
  .back-to-top:active { transform: translateX(50%) translateY(-1px) !important; }
}

/* Desktop/tablet: slightly compact the post metadata header. */
@media (min-width: 761px) {
  .post-card__header {
    grid-template-columns: 62px minmax(0, 1fr) auto !important;
    gap: 14px !important;
    padding: 14px 18px !important;
  }

  .track-number {
    width: 62px !important;
    height: 62px !important;
    padding-top: 8px !important;
    border-radius: 12px !important;
    font-size: 23px !important;
  }

  .track-number::before {
    top: 6px !important;
    font-size: 7px !important;
  }
}

/* =========================================================
   Archive introduction accordion
   ========================================================= */

.archive-introduction {
  padding: 24px 0 20px;
  background: var(--bg);
}

.archive-introduction .archive-inner {
  max-width: 900px !important;
}

.archive-introduction__details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}

.archive-introduction__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition:
    color .16s ease,
    background .16s ease;
}

.archive-introduction__summary::-webkit-details-marker {
  display: none;
}

.archive-introduction__summary:hover {
  color: var(--text);
  background: rgba(255, 255, 255, .035);
}

.archive-introduction__summary-icon {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.archive-introduction__summary-icon::before,
.archive-introduction__summary-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform .18s ease;
}

.archive-introduction__summary-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.archive-introduction__details[open]
.archive-introduction__summary-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.archive-introduction__details[open]
.archive-introduction__summary {
  border-bottom: 1px solid var(--line);
}

.archive-introduction__content {
  padding: 24px 26px 28px;
}

.archive-introduction__content h2 {
  margin: 0 0 20px;
  color: var(--text);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.4;
  letter-spacing: -.025em;
}

.archive-introduction__content p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
}

.archive-introduction__content p:last-child {
  margin-bottom: 0;
}

@media (max-width: 760px) {
  .archive-introduction {
    padding: 16px 0;
  }

  .archive-introduction__summary {
    padding: 14px 16px;
    font-size: 12px;
  }

  .archive-introduction__content {
    padding: 20px 16px 22px;
  }

  .archive-introduction__content h2 {
    font-size: 20px;
  }

  .archive-introduction__content p {
    font-size: 13px;
    line-height: 1.9;
  }
}