/* =========================================================
   IU ARCHIVE — 2008–2026
   A vertical, scroll-driven album timeline.
   ========================================================= */

:root {
  --bg: #08070c;
  --bg-soft: #0e0c15;
  --ink: #f3efe8;
  --muted: rgba(243, 239, 232, 0.56);
  --faint: rgba(243, 239, 232, 0.32);
  --line: rgba(243, 239, 232, 0.12);
  --line-soft: rgba(243, 239, 232, 0.06);
  --accent: #cbb7ff;
  --pad: clamp(20px, 5vw, 72px);
  --max: 1280px;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", "Bodoni MT", Didot, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "SF Mono", "Cascadia Mono", "JetBrains Mono", Consolas, monospace;
  --kr: "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  cursor: grab;
}

body.is-dragging { cursor: grabbing; user-select: none; }
body.is-dragging a { pointer-events: none; }

::selection { background: var(--accent); color: #0a0910; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; }
img { display: block; max-width: 100%; }
ol, ul, dl, dd, dt, p, h1, h2, h3, figure { margin: 0; padding: 0; }
ol, ul { list-style: none; }

[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* ---------- atmospheric layers ---------- */

.grain {
  position: fixed;
  inset: -50%;
  z-index: 90;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  animation: grainShift 8s steps(6) infinite;
}

@keyframes grainShift {
  0% { transform: translate(0, 0); }
  20% { transform: translate(-2%, 1%); }
  40% { transform: translate(1%, -2%); }
  60% { transform: translate(-1%, 2%); }
  80% { transform: translate(2%, 1%); }
  100% { transform: translate(0, 0); }
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.ambient__blob {
  position: absolute;
  width: 64vw;
  height: 64vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.2;
  background-color: var(--accent);
  transition: background-color 1.4s var(--ease-soft);
  will-change: background-color;
}

.ambient__blob--a { top: -26vw; right: -18vw; }
.ambient__blob--b { bottom: -30vw; left: -20vw; opacity: 0.12; }

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 70;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
  transition: background-color 0.9s var(--ease-soft);
}

/* ---------- top bar ---------- */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--pad);
  pointer-events: none;
  background: linear-gradient(180deg, rgba(8, 7, 12, 0.94) 0%, rgba(8, 7, 12, 0.66) 58%, rgba(8, 7, 12, 0) 100%);
  -webkit-backdrop-filter: blur(7px);
  backdrop-filter: blur(7px);
}

.topbar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 7, 12, 0.55), transparent);
  pointer-events: none;
}

.brand,
.topbar__meta { position: relative; pointer-events: auto; }

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.brand__mark {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand__word {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.42em;
  color: var(--muted);
}

.topbar__meta {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--muted);
  display: flex;
  gap: 12px;
  text-transform: uppercase;
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
  pointer-events: auto;
}

.topbar__feedback {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color 0.3s, border-color 0.3s;
}

.topbar__feedback:hover { color: var(--accent); border-color: var(--accent); }

.topbar__side {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 3px;
  transition: color 0.3s, border-color 0.3s;
}

.topbar__side:hover { color: var(--ink); border-color: var(--ink); }

.topbar__dot { color: var(--accent); }

/* ---------- timeline rail ---------- */

.rail {
  position: fixed;
  left: clamp(12px, 1.8vw, 22px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 55;
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 6px 0;
  opacity: 0;
  transition: opacity 0.7s var(--ease-soft);
  pointer-events: none;
}

body.is-browsing .rail { opacity: 1; pointer-events: auto; }

.rail__track {
  position: relative;
  width: 1px;
  background: var(--line);
  margin-right: 9px;
  order: -1;
}

.rail__fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  transition: background-color 0.9s var(--ease-soft);
}

.rail__list {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(6px, 1.2vh, 12px);
}

.rail__dot {
  position: relative;
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(243, 239, 232, 0.24);
  background: var(--bg);
  cursor: pointer;
  opacity: 0.55;
  transition: transform 0.35s var(--ease), background-color 0.35s, border-color 0.35s, box-shadow 0.35s, opacity 0.35s;
}

.rail__dot::after {
  content: "";
  position: absolute;
  inset: -9px;
}

.rail__dot:hover,
.rail__dot:focus-visible {
  transform: scale(1.6);
  border-color: var(--accent);
  opacity: 1;
}

.rail__dot.is-active {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.5);
  opacity: 1;
  box-shadow: 0 0 0 4px rgba(203, 183, 255, 0.1), 0 0 14px var(--accent);
}

.rail__label {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translate(-6px, -50%);
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.35s var(--ease);
}

.rail__label b {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.rail__label span {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.rail__dot:hover .rail__label,
.rail__dot:focus-visible .rail__label { opacity: 1; transform: translate(0, -50%); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: clamp(88px, 13vh, 150px) 0 0;
  overflow: hidden;
}

.hero__head { position: relative; z-index: 2; width: min(calc(100% - var(--pad) * 2), var(--max)); margin: 0 auto; }

.hero__eyebrow {
  font-family: var(--kr);
  font-size: clamp(10px, 1vw, 12px);
  letter-spacing: 0.32em;
  color: var(--muted);
  margin-bottom: clamp(18px, 3vh, 34px);
  opacity: 0;
  animation: riseIn 1.1s var(--ease) 0.15s forwards;
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(120px, min(30vw, 40vh), 400px);
  line-height: 0.78;
  letter-spacing: -0.075em;
  margin-left: -0.06em;
  background: linear-gradient(172deg, #fffdf8 8%, #ded4ee 46%, #8f83a8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0;
  transform: translateY(30px) scale(0.985);
  animation: heroIn 1.5s var(--ease) 0.25s forwards;
  will-change: transform, opacity;
}

.hero__sub {
  margin-top: clamp(22px, 3.6vh, 42px);
  font-family: var(--serif);
  font-size: clamp(17px, 1.7vw, 23px);
  line-height: 1.95;
  letter-spacing: 0.06em;
  color: rgba(243, 239, 232, 0.82);
  opacity: 0;
  animation: riseIn 1.2s var(--ease) 0.6s forwards;
}

@keyframes heroIn {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* orbit deco */

.hero__orbit {
  position: absolute;
  top: 50%;
  right: -6vw;
  width: min(64vw, 760px);
  aspect-ratio: 1;
  transform: translateY(-52%);
  z-index: 1;
  pointer-events: none;
}

.hero__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(203, 183, 255, 0.18);
  animation: spin 46s linear infinite;
}

.hero__ring::before,
.hero__ring::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.hero__ring::before { top: -3px; left: 50%; }
.hero__ring::after { bottom: 12%; right: 8%; opacity: 0.5; }

.hero__planet {
  position: absolute;
  inset: 16%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 30%, rgba(255, 255, 255, 0.32), transparent 26%),
    radial-gradient(circle at 62% 64%, rgba(139, 124, 232, 0.55), transparent 58%),
    radial-gradient(circle at 50% 50%, rgba(83, 66, 140, 0.4), rgba(10, 8, 18, 0.1) 70%);
  filter: blur(2px);
  opacity: 0.55;
  animation: breathe 9s ease-in-out infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.035); opacity: 0.66; }
}

/* stats */

.hero__stats {
  position: relative;
  z-index: 2;
  width: min(calc(100% - var(--pad) * 2), var(--max));
  margin: clamp(34px, 5.5vh, 62px) auto 0;
  display: flex;
  gap: clamp(26px, 5vw, 74px);
}

.hero__stats > div {
  padding-top: 12px;
  border-top: 1px solid var(--line);
  min-width: 86px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) forwards;
}

.hero__stats > div:nth-child(1) { animation-delay: 0.78s; }
.hero__stats > div:nth-child(2) { animation-delay: 0.86s; }
.hero__stats > div:nth-child(3) { animation-delay: 0.94s; }
.hero__stats > div:nth-child(4) { animation-delay: 1.02s; }

.hero__stats dt {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.26em;
  color: var(--faint);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.hero__stats dd {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1;
  letter-spacing: 0.02em;
}

.hero__stats dd small {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--muted);
  margin-left: 3px;
}

.hero__stats .hero__stat-date { font-family: var(--mono); font-size: clamp(13px, 1.3vw, 16px); letter-spacing: 0.04em; }

.hero__cue {
  position: absolute;
  right: var(--pad);
  bottom: 27vh;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--muted);
  writing-mode: vertical-rl;
  opacity: 0;
  animation: fadeIn 1s ease 1.4s forwards;
}

.hero__cue i {
  display: block;
  width: 1px;
  height: 64px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: cueDrop 2.4s ease-in-out infinite;
  transform-origin: top;
}

@keyframes cueDrop {
  0%, 100% { transform: scaleY(0.35); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes fadeIn { to { opacity: 1; } }

/* marquee */

.marquee {
  position: relative;
  left: 0;
  bottom: 0;
  width: 100%;
  z-index: 1;
  overflow: hidden;
  margin-top: auto;
  padding: 24px 0 10px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
}

.marquee::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg), transparent 40%, transparent 62%, var(--bg));
  z-index: 2;
  pointer-events: none;
}

.marquee__track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: marquee 72s linear infinite;
  will-change: transform;
}

.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee.is-paused .marquee__track { animation-play-state: paused; }

.marquee__hint {
  position: absolute;
  top: 0;
  right: var(--pad);
  z-index: 4;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.18em;
  color: var(--faint);
  pointer-events: none;
}

.marquee__item {
  position: relative;
  display: block;
  width: clamp(84px, 8.6vw, 120px);
  flex: 0 0 auto;
  aspect-ratio: 1;
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  filter: saturate(0.72) brightness(0.72);
  opacity: 0.85;
  transition: filter 0.6s, opacity 0.6s, transform 0.6s var(--ease);
}

.marquee__item:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.marquee__label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 16px 7px 5px;
  background: linear-gradient(180deg, transparent, rgba(8, 7, 12, 0.9));
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.08em;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.3s, transform 0.35s var(--ease);
  pointer-events: none;
}

.marquee__item:hover .marquee__label,
.marquee__item:focus-visible .marquee__label { opacity: 1; transform: translateY(0); }

.marquee__item img { width: 100%; height: 100%; object-fit: cover; }
.marquee__item:hover { filter: none; opacity: 1; transform: translateY(-6px); }

@keyframes marquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ---------- album sections ---------- */

#albums { position: relative; z-index: 1; }

.album {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(90px, 14vh, 170px) 0;
  isolation: isolate;
}

.album::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(58% 46% at 50% 50%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 72%);
  opacity: 0;
  transition: opacity 1.4s var(--ease-soft);
  pointer-events: none;
}

.album.is-inview::before { opacity: 1; }

.album__inner {
  position: relative;
  width: min(100% - var(--pad) * 2, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(340px, 1fr);
  gap: clamp(40px, 6.5vw, 100px);
  align-items: center;
}

/* ghost year */

.album__ghost {
  position: absolute;
  top: 50%;
  left: -1vw;
  transform: translateY(-50%) translateX(-4%);
  z-index: -1;
  font-family: var(--serif);
  font-size: clamp(130px, 21vw, 320px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(243, 239, 232, 0.075);
  opacity: 0;
  transition: opacity 1.4s var(--ease-soft), transform 1.6s var(--ease);
  pointer-events: none;
  white-space: nowrap;
}

.album.is-inview .album__ghost { opacity: 1; transform: translateY(-50%) translateX(0); }

/* media */

.album__media { position: relative; }

.album__stage {
  position: relative;
  width: 100%;
  padding-right: 8%;
}

.sleeve {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  z-index: 2;
}

.sleeve img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 2px;
  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.55),
    0 2px 0 rgba(255, 255, 255, 0.08) inset;
  background: #14121c;
  clip-path: inset(10% 0 0 0);
  opacity: 0;
  transform: scale(0.97);
  transition: clip-path 1.3s var(--ease), opacity 1s var(--ease), transform 1.3s var(--ease);
  -webkit-user-drag: none;
  user-select: none;
}

.album.is-inview .sleeve img {
  clip-path: inset(0 0 0 0);
  opacity: 1;
  transform: scale(1);
}

.sleeve__vinyl {
  position: absolute;
  top: 4%;
  right: -16%;
  width: 92%;
  aspect-ratio: 1;
  border-radius: 50%;
  z-index: 1;
  background:
    radial-gradient(circle, #17141f 0 12%, #0c0a12 12.5% 18%, #151220 18.5% 19.2%, #0b0911 19.5% 34%, #14111d 34.4% 35%, #0a0810 35.4% 50%, #13101b 50.4% 51%, #09070e 51.4% 66%, #12101a 66.4% 67%, #08060c 67.4% 100%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
  transform: translateX(0) rotate(-8deg);
  transition: transform 1.2s var(--ease);
  opacity: 0;
}

.album.is-inview .sleeve__vinyl { opacity: 1; }

.sleeve__vinyl::after {
  content: "";
  position: absolute;
  inset: 41%;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.55;
  box-shadow: 0 0 24px var(--accent);
}

.album__media:hover .sleeve__vinyl { transform: translateX(16%) rotate(14deg); }

/* meta */

.album__meta {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: start;
  gap: clamp(18px, 3vw, 42px);
  margin-top: 30px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.album__meta li { display: flex; flex-direction: column; gap: 3px; }

.album__meta span {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.28em;
  color: var(--faint);
  text-transform: uppercase;
}

.album__meta b {
  font-weight: 400;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(243, 239, 232, 0.9);
}

.album__meta b em {
  font-style: normal;
  color: var(--accent);
}

/* body */

.album__body {
  position: relative;
  max-width: 640px;
}

.album__kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: clamp(14px, 2vh, 22px);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.8s var(--ease), transform 0.9s var(--ease);
}

.album__kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}

.album__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4.1vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  text-wrap: balance;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease) 0.05s, transform 1s var(--ease) 0.05s;
}

.album__title-sub {
  display: block;
  margin-top: 12px;
  font-family: var(--kr);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.album__tagline {
  position: relative;
  margin-top: clamp(18px, 2.6vh, 28px);
  padding-left: 16px;
  font-family: var(--serif);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.85;
  color: rgba(243, 239, 232, 0.9);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease) 0.12s, transform 1s var(--ease) 0.12s;
}

.album__tagline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  bottom: 0.5em;
  width: 1px;
  background: var(--accent);
  opacity: 0.5;
}

.album__concept {
  margin-top: 16px;
  font-size: 14px;
  line-height: 2;
  color: var(--muted);
  max-width: 54ch;
  text-wrap: pretty;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease) 0.18s, transform 1s var(--ease) 0.18s;
}

.album.is-inview .album__kicker,
.album.is-inview .album__title,
.album.is-inview .album__title-sub,
.album.is-inview .album__tagline,
.album.is-inview .album__concept {
  opacity: 1;
  transform: translateY(0);
}

/* tracklist */

.tracks {
  margin-top: clamp(24px, 3.6vh, 38px);
  border-top: 1px solid var(--line);
}

.album--dense .tracks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-flow: column;
  grid-template-rows: repeat(var(--rows, 8), auto);
  column-gap: clamp(22px, 3vw, 46px);
}

.track {
  position: relative;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 7px 2px;
  border-bottom: 1px solid var(--line-soft);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), background-color 0.3s;
  transition-delay: calc(0.2s + var(--i, 0) * 42ms);
}

.album.is-inview .track { opacity: 1; transform: translateY(0); }

.track:hover { background: rgba(255, 255, 255, 0.025); }

.track__no {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--faint);
  letter-spacing: 0.08em;
}

.track__name {
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: rgba(243, 239, 232, 0.88);
}

.track__trans {
  font-style: normal;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--faint);
  margin-left: 8px;
}

.track.is-title .track__name { color: var(--ink); }

.track.is-title .track__no {
  color: var(--accent);
  position: relative;
}

.track.is-title .track__no::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -3px;
  width: 3px;
  height: 3px;
  margin-left: -1.5px;
  border-radius: 50%;
  background: var(--accent);
}

.track.is-bonus .track__name { color: var(--faint); }
.track.is-bonus .track__trans { opacity: 0.7; }

.track__dur {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--faint);
  letter-spacing: 0.04em;
}

.track__links {
  position: absolute;
  right: 0;
  top: 50%;
  z-index: 2;
  display: flex;
  gap: 4px;
  padding-left: 16px;
  background: linear-gradient(90deg, rgba(8, 7, 12, 0), rgba(8, 7, 12, 0.92) 34%);
  opacity: 0;
  transform: translateY(-50%) translateX(6px);
  transition: opacity 0.3s, transform 0.35s var(--ease);
}

.track:hover .track__links,
.track:focus-within .track__links { opacity: 1; transform: translateY(-50%) translateX(0); }

.track__links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 19px;
  min-width: 23px;
  padding: 0 4px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color 0.25s, border-color 0.25s, background-color 0.25s;
}

.track__links a:hover {
  color: #0a0910;
  background: var(--accent);
  border-color: var(--accent);
}

.album__note {
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--faint);
}

.album__foot {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.8s var(--ease) 0.5s, transform 0.8s var(--ease) 0.5s;
}

.album.is-inview .album__foot { opacity: 1; transform: none; }

.album__listen {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: color 0.3s, border-color 0.3s;
}

.album__listen:hover { color: var(--accent); border-color: var(--accent); }
.album__listen span { font-size: 12px; line-height: 1; }

/* ---------- long titles ---------- */

.album--long .album__title {
  font-size: clamp(30px, 3.5vw, 52px);
}

/* ---------- Japanese official releases ---------- */

.jp {
  position: relative;
  z-index: 1;
  padding: clamp(90px, 12vh, 140px) 0 clamp(70px, 9vh, 100px);
  border-top: 1px solid var(--line);
}

.jp__inner {
  width: min(calc(100% - var(--pad) * 2), var(--max));
  margin: 0 auto;
}

.jp__head { max-width: 760px; }

.jp__kicker {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.34em;
  color: var(--accent);
}

.jp__title {
  margin-top: 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.jp__note {
  margin-top: 18px;
  max-width: 62ch;
  font-size: 13px;
  line-height: 2;
  color: var(--muted);
}

.jp .release-row { margin-top: 32px; }

/* ---------- SIDE B: covers & live ---------- */

.extras {
  position: relative;
  z-index: 1;
  padding: clamp(100px, 14vh, 180px) 0 clamp(90px, 12vh, 150px);
  background:
    linear-gradient(180deg, transparent 0, rgba(217, 178, 111, 0.045) 12%, rgba(217, 178, 111, 0.045) 88%, transparent 100%);
}

.extras__inner {
  width: min(calc(100% - var(--pad) * 2), var(--max));
  margin: 0 auto;
}

.extras__head {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: end;
}

.extras__kicker {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.34em;
  color: var(--accent);
  margin-bottom: clamp(18px, 2.4vh, 28px);
}

.extras__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(46px, 6.4vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.extras__title em {
  font-style: normal;
  color: var(--muted);
}

.extras__intro {
  font-size: 14px;
  line-height: 2.1;
  color: var(--muted);
  max-width: 44ch;
}

.extras__meta {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.extras__filterbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: clamp(46px, 7vh, 76px);
}

.extras__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 0;
}

.extras__status {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s, background-color 0.3s;
}

.chip b { font-weight: 400; opacity: 0.45; font-size: 8px; }
.chip:hover { color: var(--ink); border-color: rgba(243, 239, 232, 0.3); }
.chip.is-active {
  color: #0a0910;
  background: var(--accent);
  border-color: var(--accent);
}
.chip.is-active b { opacity: 0.6; }

.extras__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.extra {
  --lang: #d9b26f;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 22px 20px 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.8s var(--ease),
    transform 0.9s var(--ease),
    border-color 0.4s,
    background-color 0.4s,
    box-shadow 0.4s;
}

.extra:focus-visible { outline: 2px solid var(--lang); outline-offset: 4px; }

.extra.is-inview {
  opacity: 1;
  transform: translateY(0);
  transition-delay: calc(var(--i, 0) * 42ms);
}

.extra:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--lang) 55%, transparent);
  transition-delay: 0s;
}

.extra.is-open {
  transform: translateY(-6px) scale(1.035);
  z-index: 6;
  border-color: var(--lang);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.48);
  transition-delay: 0s;
}

.extra[data-lang="zh"] { --lang: #e07a6f; }
.extra[data-lang="th"] { --lang: #6fb3d9; }
.extra[data-lang="ja"] { --lang: #d98cc4; }
.extra[data-lang="en"] { --lang: #9fd8c8; }

.extra__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.extra__lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.22em;
  color: var(--lang);
  text-transform: uppercase;
}

.extra__lang::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lang);
  box-shadow: 0 0 10px var(--lang);
}

.extra__date {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  color: var(--faint);
}

.extra__song {
  margin-top: 26px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 2.5vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
}

.extra__song a { color: inherit; transition: color 0.3s; }
.extra__song a:hover { color: var(--lang); }
.extra__song a::after {
  content: " ↗";
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--lang);
  vertical-align: 0.35em;
}

.extra__orig {
  margin-top: 9px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.extra__place {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  color: var(--lang);
}

.extra__note {
  margin-top: 10px;
  max-width: 34ch;
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
}

.extra__links {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
  padding-top: 22px;
  position: relative;
  z-index: 2;
}

.extra__links-label {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.extra__no-video,
.extra__no-qq {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.12em;
  color: var(--faint);
}

.extra__links a,
.release__links a {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.16em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color 0.3s, border-color 0.3s;
}

.extra__links a { color: var(--lang); border-color: color-mix(in srgb, var(--lang) 35%, transparent); }

.extra__links a:hover,
.release__links a:hover { color: var(--lang); border-color: var(--lang); }

.extra.is-open .extra__links {
  align-items: center;
  gap: 10px;
  padding-top: 26px;
}

.extra.is-open .extra__links-label { color: var(--ink); }

.extra.is-open .extra__links a {
  color: #0a0910;
  background: var(--lang);
  border: 1px solid var(--lang);
  border-radius: 999px;
  padding: 8px 13px;
  font-size: 9px;
}

.extra.is-open .extra__links a:hover { filter: brightness(1.1); }

.extra.is-open .extra__no-video,
.extra.is-open .extra__no-qq {
  color: var(--faint);
  border: 1px dashed var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 9px;
}

.extra__year {
  position: absolute;
  right: 10px;
  bottom: -14px;
  font-family: var(--serif);
  font-size: 96px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(243, 239, 232, 0.07);
  pointer-events: none;
  user-select: none;
}

.extras__releases {
  margin-top: clamp(60px, 9vh, 110px);
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.extras__subhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}

.extras__subhead h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 2.5vw, 32px);
  letter-spacing: 0.01em;
}

.extras__subhead span {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.22em;
  color: var(--faint);
}

.release-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.release {
  display: flex;
  flex-direction: column;
  padding: 16px 14px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.015);
}

.release__date {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.release h4 {
  margin-top: 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.3;
}

.release__type {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.release__note {
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
}

.release__links {
  display: flex;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
}

.extras__note {
  margin-top: 48px;
  max-width: 68ch;
  font-size: 10.5px;
  line-height: 2;
  color: var(--faint);
}

/* ---------- feedback ---------- */

.feedback-section {
  position: relative;
  z-index: 1;
  padding: clamp(80px, 12vh, 150px) 0 clamp(70px, 10vh, 120px);
  scroll-margin-top: 80px;
  background:
    radial-gradient(50% 50% at 50% 45%, rgba(217, 178, 111, 0.05), transparent 70%);
}

.feedback {
  width: min(calc(100% - var(--pad) * 2), 680px);
  margin: 0 auto;
}

.feedback__kicker {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.34em;
  color: var(--accent);
}

.feedback__title {
  margin-top: 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.feedback__intro {
  margin-top: 18px;
  max-width: 54ch;
  font-size: 13px;
  line-height: 2;
  color: var(--muted);
}

.feedback__card {
  margin-top: 30px;
  padding: clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
}

.feedback__lead {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.65;
  letter-spacing: 0.01em;
}

.feedback__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.feedback__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #0a0910;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  transition: filter 0.3s, transform 0.3s;
}

.feedback__cta:hover { filter: brightness(1.08); transform: translateY(-1px); }
.feedback__cta span { font-size: 12px; }

.feedback__copy {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
}

.feedback__copy:hover { color: var(--accent); border-color: var(--accent); }

.feedback__url {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.04em;
  color: var(--faint);
  word-break: break-all;
}

.feedback__note {
  margin-top: 14px;
  font-size: 10px;
  line-height: 1.8;
  color: var(--faint);
}

/* ---------- outro ---------- */

.outro {
  position: relative;
  z-index: 1;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16vh var(--pad) 0;
  background:
    radial-gradient(50% 40% at 50% 58%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%);
}

.outro__kicker {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.44em;
  color: var(--accent);
  margin-bottom: 28px;
}

.outro__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 5.6vw, 86px);
  line-height: 1.16;
  letter-spacing: 0.01em;
}

.outro__title span { color: var(--muted); }

.outro__text {
  max-width: 540px;
  margin-top: 30px;
  font-size: 13px;
  line-height: 2.1;
  color: var(--muted);
}

.outro__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 48px;
}

.outro__back {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 0;
  padding: 13px 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--ink);
  transition: border-color 0.3s, color 0.3s, background-color 0.3s;
  cursor: pointer;
}

.outro__back span { font-size: 13px; }
.outro__back:hover { border-color: var(--accent); color: var(--accent); }

.footer {
  width: min(100%, 760px);
  margin-top: 12vh;
  padding: 30px 0 40px;
  border-top: 1px solid var(--line-soft);
  font-size: 10.5px;
  line-height: 2;
  color: rgba(243, 239, 232, 0.38);
}

.footer__note { color: rgba(243, 239, 232, 0.24); }

/* ---------- HUD ---------- */

.hud {
  position: fixed;
  right: clamp(12px, 2vw, 26px);
  bottom: 24px;
  left: auto;
  transform: translateY(14px);
  z-index: 65;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 48px;
  padding: 7px 6px;
  border: 1px solid rgba(243, 239, 232, 0.11);
  border-radius: 999px;
  background: rgba(14, 12, 21, 0.68);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.55s var(--ease-soft), transform 0.65s var(--ease);
}

body.is-browsing .hud { opacity: 1; pointer-events: auto; transform: translateY(0); }

.hud__btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--muted);
  transition: color 0.25s, background-color 0.25s;
  cursor: pointer;
}

.hud__btn:hover { color: var(--ink); background: rgba(255, 255, 255, 0.07); }
.hud__btn:disabled { opacity: 0.25; cursor: default; }
.hud__btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.hud__center { display: flex; flex-direction: column; align-items: center; gap: 2px; width: 100%; }

.hud__index {
  font-family: var(--mono);
  font-size: 7px;
  line-height: 1.25;
  color: var(--faint);
  letter-spacing: 0.06em;
  padding: 2px 0;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 2px;
}

.hud__index b { font-weight: 400; font-size: 11px; color: var(--ink); }
.hud__index i { font-style: normal; opacity: 0.45; }

.hud__auto {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 50%;
  color: var(--muted);
  transition: background-color 0.25s, color 0.25s;
  cursor: pointer;
}

.hud__auto:hover { background: rgba(255, 255, 255, 0.06); color: var(--ink); }
.hud__auto[aria-pressed="false"] { color: var(--faint); }

.hud__auto-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.hud__auto-ring { position: relative; width: 20px; height: 20px; display: block; }

.hud__auto-ring svg { width: 20px; height: 20px; transform: rotate(-90deg); }
.hud__auto-ring circle { fill: none; stroke-width: 2.4; }
.hud__auto-ring .ring-bg { stroke: rgba(243, 239, 232, 0.12); }
.hud__auto-ring .ring-fg {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-dasharray: 94.25;
  stroke-dashoffset: 94.25;
  transition: stroke 0.6s;
}

.hud__auto[aria-pressed="false"] .ring-fg { stroke: var(--faint); }

/* drag hint */

.drag-hint {
  position: fixed;
  left: 50%;
  bottom: 78px;
  transform: translateX(-50%);
  z-index: 64;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.22em;
  color: var(--faint);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.7s var(--ease-soft);
  white-space: nowrap;
}

body.is-browsing .drag-hint { opacity: 0.75; }
.drag-hint.is-hidden { opacity: 0 !important; }

/* noscript */

.noscript {
  position: relative;
  z-index: 2;
  padding: 120px var(--pad);
  max-width: 760px;
  margin: 0 auto;
}

.noscript h2 { font-family: var(--serif); font-weight: 400; font-size: 40px; margin-bottom: 20px; }
.noscript p { color: var(--muted); }

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  .album__inner {
    grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1fr);
    gap: 48px;
  }

  .extras__head { grid-template-columns: 1fr; gap: 24px; align-items: start; }
  .extras__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .release-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .extras { padding: 84px 0 96px; }
  .extras__grid { grid-template-columns: 1fr; }
  .extras__title { font-size: clamp(42px, 12vw, 64px); }
  .extra { min-height: 280px; }
  .extras__subhead { flex-direction: column; align-items: flex-start; gap: 6px; }
  .release-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .release-row { grid-template-columns: 1fr; }
}

@media (max-width: 1180px) {
  .rail { display: none; }
}

@media (max-width: 900px) {
  .rail { display: none; }

  .hud {
    left: 50%;
    right: auto;
    bottom: 12px;
    width: auto;
    flex-direction: row;
    gap: 2px;
    padding: 4px 6px;
    transform: translate(-50%, 14px);
  }
  body.is-browsing .hud { transform: translate(-50%, 0); }
  body.hud-idle .hud { opacity: 0; pointer-events: none; }
  .hud__center { flex-direction: row; gap: 2px; width: auto; }
  .hud__index { flex-direction: row; padding: 0 6px; }
  .hud__btn { width: 34px; height: 34px; }
  .hud__auto { width: 34px; height: 34px; }

  .hero { padding: 16vh 0 0; }
  .hero__orbit { right: -30vw; width: 90vw; opacity: 0.6; }
  .hero__cue { display: none; }

  .album { min-height: 0; padding: 90px 0; }
  .album--dense .tracks { display: block; }
  .album__inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 38px;
    width: calc(100% - var(--pad) * 2);
  }

  .album__media { width: min(100%, 440px); }
  .album__stage { padding-right: 10%; }
  .album__ghost { top: 0; left: auto; right: 0; transform: none; font-size: 27vw; opacity: 0; }
  .album.is-inview .album__ghost { transform: none; opacity: 0.9; }

  .album__body { max-width: 620px; }

  .album__meta { grid-template-columns: repeat(3, auto); }

  .drag-hint { bottom: 74px; }
  .hud { bottom: 14px; }
}

@media (max-width: 560px) {
  body { font-size: 15px; }

  .topbar { padding: 16px var(--pad); }
  .topbar__meta { display: none; }

  .hero { padding: 15vh 0 0; }
  .hero__title { font-size: 40vw; }
  .hero__sub { font-size: 15px; line-height: 2; }
  .hero__stats { gap: 18px; flex-wrap: wrap; }
  .hero__stats > div { min-width: 68px; flex: 1 1 40%; }
  .hero__stats dd { font-size: 22px; }
  .hero__stat-date { font-size: 11px !important; }
  .marquee { padding: 24px 0 10px; }
  .marquee__item { width: 78px; }

  .album { padding: 72px 0; }
  .album__title { font-size: clamp(32px, 8.6vw, 44px); }
  .album__tagline { font-size: 15px; }
  .album__concept { font-size: 13px; line-height: 1.95; }

  .track { grid-template-columns: 1.7rem minmax(0, 1fr) auto; gap: 8px; }
  .track__dur { display: none; }
  .track__links { position: static; opacity: 1; transform: none; grid-column: 2 / -1; justify-self: end; margin-top: -4px; padding: 0 0 2px; background: none; }
  .track__links a { height: 18px; min-width: 22px; font-size: 7.5px; }
  .track__name { font-size: 13px; }
  .track__name .track__trans { display: block; margin-left: 0; margin-top: 1px; font-size: 10px; }

  .album__meta { gap: 16px; }
  .album__meta b { font-size: 11px; }

  .footer { font-size: 9.5px; }
}

@media (max-width: 900px) {
  .jp { padding: 76px 0 64px; }
  .jp__title { font-size: clamp(38px, 10vw, 56px); }
  .extra.is-open { transform: translateY(-4px) scale(1.02); }
}

@media (max-width: 520px) {
  .extra.is-open .extra__links { gap: 8px; }
  .extra.is-open .extra__links a,
  .extra.is-open .extra__no-video,
  .extra.is-open .extra__no-qq { flex: 1; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero__title { opacity: 1; transform: none; }
  .hero__eyebrow, .hero__sub, .hero__stats, .hero__cue { opacity: 1; }
  .hero__stats > div { opacity: 1; animation: none; }
  .album__kicker, .album__title, .album__title-en, .album__tagline,
  .album__concept, .album__foot, .track { opacity: 1; transform: none; }
  .sleeve img { clip-path: none; opacity: 1; transform: none; }
  .album__ghost { opacity: 0.9; transform: translateY(-50%); }
  .marquee__track { animation: none; }
  .grain { animation: none; }
}