/* ==================== 01. 공통 설정 ==================== */
:root {

  --space-unit: 0.50rem;
  --space-1: var(--space-unit);
  --space-2: calc(var(--space-unit) * 2);
  --space-3: calc(var(--space-unit) * 3);
  --space-4: calc(var(--space-unit) * 4);
  --space-5: calc(var(--space-unit) * 5);
  --space-6: calc(var(--space-unit) * 6);
  --space-8: calc(var(--space-unit) * 8);
  --space-10: calc(var(--space-unit) * 10);
  --space-12: calc(var(--space-unit) * 12);
  /* 색상 */
  --bg: #2b0007;
  --gold: #fdd23e;
  --text: #fff7f1;
  --muted: #c6adb0;
  --line: #63313a;
  /* 본문 너비와 섹션 간격 */
  --content-width: 54.00rem;
  --page-gutter: var(--space-4);
  /* 모바일 본문 좌우 여백 */
  --mobile-page-gutter: clamp(2.00rem, 12vw, 3.00rem);
  /* 태블릿: 네비게이션 공간을 포함한 좌우 여백 */
  --tablet-page-gutter: var(--space-8);
  --section-space: var(--space-10);
  /* 트랙리스트 간격 */
  --track-column-gap: var(--space-4);
  --track-row-gap: var(--space-4);

  /* 520px 원본 기준 우측 제외 폭: PC·태블릿 49.8, 모바일 100% 배치 21.
     실제 표시 크기에 비례하며, 장식은 정렬 박스 밖에 표시됩니다. */
  --album-logo-right-inset: 49.8;
  --album-logo-visible-ratio: calc((520 - var(--album-logo-right-inset)) / 520);
  --banner-logo-width: 42%;
  --banner-logo-top: 55%;
  --banner-logo-right: 4%;

  --viewport-height: 100vh;
  --viewport-origin-shift: 0px;

  --banner-art-size: max(100vw, calc(var(--banner-height) + 8.00rem));
  --banner-art-left: 50%;
  --banner-art-top: 0;
  --banner-min-height: min(55vw, calc(var(--viewport-height) * 0.95));
  --banner-height: max(var(--viewport-height), var(--banner-min-height));
  /* 보너스 곡 영문 부제: 음수 offset은 위로, 양수는 아래로 이동 */
  --bonus-subtitle-size: 1.50rem;
  --bonus-subtitle-offset: 0.00rem;
  /* 글꼴 */
  --body-font: 'Pretendard JP', 'Yu Gothic', Meiryo, sans-serif;
  --sans-font: 'Josefin Sans', var(--body-font);
  --display-font: 'Playfair Display', 'Kaisei Tokumin', 'Yu Mincho', serif;
  --japanese-font: 'Kaisei Tokumin', 'Yu Mincho', serif;
  --track-font: 'Grenze Gotisch', 'Kaisei Tokumin', serif;
  --initial-font: 'Grenze Gotisch', var(--display-font);

  --banner-logo-transform: translateY(-50%);
  --banner-inset: clamp(2.00rem, 5vw, 4.00rem);
  --banner-label-left: var(--banner-inset);
  --banner-label-bottom: var(--banner-inset);
  --nav-left: clamp(0.50rem, 4vw, 3.50rem);
  --nav-gap: 0.25rem;
  --nav-hit-size: 1.50rem;
}

/* ==================== 02. 기본 스타일과 접근성 ==================== */

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

html {
  scrollbar-gutter: stable;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-8);
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--sans-font);
  font-variant-numeric: lining-nums tabular-nums;
  line-height: 1.5;
}

h1,h2,h3,p,ul,dl,dd {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 0.25em;
}

@media (hover: hover) and (pointer: fine) {
  a:hover { text-decoration: underline; }
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: var(--space-1);
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 30;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-2);
  background: var(--text);
  color: var(--bg);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(var(--content-width), calc(100% - max(var(--page-gutter), env(safe-area-inset-left), env(safe-area-inset-right)) * 2));
  margin-inline: auto;
}

/* 위쪽 주소창이 사라져도 화면에서 같은 위치를 유지하도록 원점 이동만 보상합니다. */
@supports (height: 100dvh) {
  :root.is-mobile-viewport {
    --viewport-origin-shift: calc(100dvh - var(--viewport-height));
  }
}

/* ==================== 03. 메뉴 ==================== */

.site-header {
  position: fixed;
  z-index: 20;
  left: max(var(--nav-left), env(safe-area-inset-left));

  bottom: calc(var(--viewport-height) * 0.5);
  transform: translateY(50%);
}

#navigation-links {
  display: grid;
  gap: var(--nav-gap);
  padding: 0;
  list-style: none;
}

#navigation-links a {
  font-family: var(--display-font);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--nav-hit-size);
  font-size: 0.65rem;
  letter-spacing: 0.10em;
  position: relative;
  justify-content: center;
  width: var(--nav-hit-size);
}

#navigation-links a::before {
  content: '';
  width: 0.40rem;
  height: 0.40rem;
  border: 1px solid #ae8189;
  border-radius: 50%;
  flex-shrink: 0;
}

#navigation-links a span {
  opacity: 0;
  transition: opacity .2s;
  position: absolute;
  left: calc(var(--nav-hit-size) + var(--space-1));
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  pointer-events: none;
  text-shadow: 0 1px 2px var(--bg), 0 0 0.25rem var(--bg), 0 0 0.50rem var(--bg);
}

#navigation-links a:is(:focus-visible, .is-hovered) span {
  opacity: 1;
}

#navigation-links a[aria-current]::before,
#navigation-links a:is(:focus-visible, .is-hovered)::before {
  background: var(--text);
  border-color: var(--text);
}

#navigation-links:has(a.is-hovered) a[aria-current]:not(.is-hovered)::before {
  background: transparent;
  border-color: #ae8189;
}

/* 실제 hover는 마우스 환경에서만 적용하고 터치는 JS로 해제합니다. */
@media (hover: hover) and (pointer: fine) {
  #navigation-links a:is(:hover, .is-hovered) span {
    opacity: 1;
  }

  #navigation-links a:is(:hover, .is-hovered)::before {
    background: var(--text);
    border-color: var(--text);
  }

  #navigation-links:has(a:is(:hover, .is-hovered)) a[aria-current]:not(:hover, .is-hovered)::before {
    background: transparent;
    border-color: #ae8189;
  }
}

.site-controls {
  position: fixed;
  z-index: 25;
  right: max(1.00rem, env(safe-area-inset-right));
  bottom: max(1.00rem, env(safe-area-inset-bottom));
  display: grid;
  justify-items: end;
  gap: 0.20rem;
}

.language-switch {
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 0.50rem;
  background: var(--bg);
  box-shadow: 0 0.25rem 1.00rem #0004;
}

.language-switch:not([hidden]) {
  display: flex;
}

.language-switch > span {
  color: var(--line);
  font: 400 0.90rem/1 var(--sans-font);
}

.language-switch button {
  display: grid;
  place-items: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.50rem;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  background: transparent;
  color: var(--muted);
  font: 600 0.75rem/1 var(--sans-font);
  letter-spacing: 0.10em;
  cursor: pointer;
}

/* Josefin Sans의 시각적 중심: 아래로 1px, 자간 끝 여백의 절반 보정 */
.language-switch .language-label {
  translate: 0.05em 0.05rem;
}

.language-switch button:is(:active, :focus-visible) {
  color: var(--text);
}

@media (hover: hover) and (pointer: fine) {
  .language-switch button:hover { color: var(--text); }
}

.language-switch button[aria-pressed="true"] {
  color: var(--gold);
  border-color: var(--gold);
  background: #fdd23e0d;
}

html:lang(ko) #about-title {

  font-family: 'Song Myung', var(--japanese-font);
  font-weight: 400;
  line-height: 1.15;
  white-space: normal;
  word-break: keep-all;
  text-wrap: balance;
}

html:lang(ko) .about-description,
html:lang(ko) .bonus-note {
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* ==================== 04. 메인 배너 ==================== */

.intro-scene {
  position: relative;
  overflow: hidden;
  min-height: var(--banner-art-size);
}

.banner-art,
#banner,
#banner *,
#footer,
#footer * {
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
}
#banner {
  position: relative;
  z-index: 11;
  height: var(--banner-height);
  pointer-events: none;
}

.banner-art {
  position: absolute;
  top: var(--banner-art-top);
  left: var(--banner-art-left);
  width: var(--banner-art-size);
  height: auto;
  max-width: none;
  transform: translateX(-50%);
  mask-image: linear-gradient(to bottom, #000 92%, transparent 100%);
  pointer-events: none;
  z-index: -1;
}

.catalog-mark {
  position: absolute;
  left: 6%;
  top: 5%;
  width: 4.5%;
}

.label-symbol {
  pointer-events: auto;
  position: absolute;
  top: 3.5%;
  right: 3.5%;
  width: 4%;
}

#album-title {
  position: absolute;
  top: var(--banner-logo-top);
  right: var(--banner-logo-right);
  width: var(--banner-logo-width);
  transform: var(--banner-logo-transform);
}

#album-title img {
  width: calc(100% / var(--album-logo-visible-ratio));
  max-width: none;
}

.banner-bottom {
  display: contents;
}

.banner-label {
  position: absolute;
  left: var(--banner-label-left);
  width: 28%;
  display: grid;
  gap: var(--space-3);
  bottom: var(--banner-label-bottom);
}

.compilation-mark {
  width: 85%;
}

.label-wordmark {
  width: 42%;
}

/* ==================== 05. 앨범 소개와 시청 영역 ==================== */

#about {
  position: relative;
  padding-bottom: var(--space-6);
  padding-top: var(--space-12);
}

.about-content {
  text-align: center;
  text-shadow: 0 0.15rem 0.50rem var(--bg);
}

#about-title {
  color: var(--gold);
  font-family: var(--japanese-font);
  font-size: clamp(1.50rem, 3vw, 3.00rem);
  font-weight: 700;
  line-height: 1.25;
}

.tagline-english {
  margin-top: var(--space-1);
  font-family: var(--display-font);
  font-size: 0.90rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.about-description, .bonus-note, .bonus-main-title {
  line-break: strict;
  word-break: normal;
  overflow-wrap: normal;
}

.about-description, .bonus-note {
  text-wrap: balance;
}

.jp-phrase {
  display: inline-block;
  max-width: 100%;
}

.about-description {
  margin-top: var(--space-6);
  font-size: 0.90rem;
  line-height: 1.5;
  letter-spacing: 0.10em;
}

.crossfade-preview {
  position: relative;
  z-index: 11;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: var(--space-6) auto 0;
  display: grid;
  border: 1px solid var(--line);
  background: #080002;

}

.crossfade-preview iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==================== 06. 배경 장식과 섹션 제목 ==================== */

#main {
  position: relative;
  isolation: isolate;
  overflow-x: clip;
}

/* 가로 넘침은 #main에서만 제한하고 장식의 세로 방향은 자르지 않습니다. */
.ornament-region {
  position: relative;
  overflow: visible;
}

.ornament-window-track, .ornament-window-anchor {
  display: contents;
}

.credit-region {
  position: relative;
}

.ornament {
  filter: brightness(0) saturate(100%) invert(22%) sepia(61%) saturate(1984%) hue-rotate(329deg) brightness(87%) contrast(96%) brightness(70%);
  position: absolute;
  max-width: none;
  pointer-events: none;
  z-index: -1;
}

.ornament-window {
  width: 100%;
  right: -40%;
  bottom: var(--space-8);
  --ornament-opacity: .8;
  opacity: var(--ornament-opacity);
}

.ornament-arch {
  aspect-ratio: auto 256.7573 / 499.9999;
  width: 54%;
  left: -4%;
  bottom: 0;
  --ornament-opacity: .8;
  opacity: var(--ornament-opacity);
}

#tracklist, #info, #credit {
  padding-block: var(--space-6);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--gold);
  font-family: var(--display-font);
  font-size: 2.25rem;
  font-weight: 500;
  line-height: 1;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 0.10rem;
  background: var(--line);
  margin-top: 0.10em;
}

/* ==================== 07. 트랙리스트 ==================== */

.track-summary {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: 0.75rem;
}

.album-tracks {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: var(--track-row-gap) var(--track-column-gap);
  margin-top: var(--space-5);
}

.album-track {
  min-width: 0;
}

.track-number {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--gold);
  font-family: var(--display-font);
  font-size: 1.20rem;
  font-weight: 600;
  line-height: 1;
}

/* 단어 첫 대문자는 장식형. 연속 대문자의 두 번째 글자부터 ss01 대체형. */

.album-track h3 {
  font-family: var(--track-font);
  font-weight: 700;
  font-size: 1.50rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
  font-feature-settings: 'ss01' 0;
}

.album-track .plain-capitals {
  font-feature-settings: 'ss01' 1;
}

.album-track p {
  margin-top: var(--space-1);
  font-size: 0.90rem;
  overflow-wrap: anywhere;
}

.bonus-track {
  grid-column: 1 / -1;
}

.bonus-label {
  font-family: var(--display-font);
  display: block;
  margin-top: var(--space-1);
  color: var(--gold);
  font-size: 0.75rem;
}

.bonus-note {
  margin-top: var(--space-4);
  color: var(--gold);
  font-size: 0.75rem;
  line-height: 1.8;
  text-align: center;
}

.bonus-track h3 {
  font-family: var(--japanese-font);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem var(--space-1);
}

.bonus-main-title {
  max-width: 100%;
}

.bonus-subtitle {
  max-width: 100%;
  font-family: var(--initial-font);
  font-size: var(--bonus-subtitle-size);
  line-height: 1;
  font-feature-settings: "ss01" 1;
  transform: translateY(var(--bonus-subtitle-offset));
}

/* ==================== 08. 앨범 정보와 구매 버튼 ==================== */

#info {
  --info-label-gap: 0.75rem;
  padding-top: var(--section-space);
}

.information-layout {
  display: grid;
  grid-template-columns: 22.00rem minmax(0,1fr);
  align-items: end;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.album-jacket {
  display: block;
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1;
}

.album-jacket > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.album-jacket::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 55%, #2b0007b3);
  box-shadow: inset 0 0 0 1px var(--line);
  opacity: 0;
  transition: opacity 250ms ease;
  pointer-events: none;
}

.jacket-download-label {
  position: absolute;
  z-index: 1;
  inset: auto 1.00rem 1.00rem;
  color: var(--text);
  font: 500 1.20rem/1.5 var(--display-font);
  text-align: right;
  opacity: 0;
  transition: opacity 250ms ease;
  pointer-events: none;
}

.album-jacket:active::after,
.album-jacket:active .jacket-download-label,
.album-jacket:focus-visible::after,
.album-jacket:focus-visible .jacket-download-label { opacity: 1; }

.album-jacket:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 0.25rem;
}

@media (hover: hover) and (pointer: fine) {
  .album-jacket:hover::after,
  .album-jacket:hover .jacket-download-label { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .album-jacket::after, .jacket-download-label { transition: none; }
}

.album-information {
  --info-value-size: 1.50rem;
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: var(--space-4);
}

.album-information > div {
  display: flex;
  flex-direction: column;
  gap: var(--info-label-gap);
}

.album-information dt, .store h3 {
  line-height: 1;
}

.album-information dd {
  font-size: var(--info-value-size);
  margin-top: 0;
  line-height: 1.15;
}

/* 글꼴 내부의 위아래 여백을 제거한 뒤 실제 대문자 윗선·기준선으로 간격 계산 */
@supports (text-box: trim-both cap alphabetic) {
  .album-information dt,
  .album-information dd,
  .store h3 {
    text-box: trim-both cap alphabetic;
  }
}

.info-title {
  grid-column: 1 / -1;
}

dt, .store h3, .production-credit h3, .artist-credit h3 {
  color: var(--gold);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.10em;
}

dd {
  font-family: var(--body-font);
  font-size: 1.50rem;
  line-height: 1.25;
  margin-top: var(--space-1);
  overflow-wrap: anywhere;
}

.album-information dd.price-amount {
  font-size: calc(var(--info-value-size) * 2);
}

.info-album-logo {
  width: 100%;
  height: auto;
  max-height: 3em;
  object-fit: contain;
  object-position: left center;
}

.store {
  margin-top: var(--space-4);
}

.store-buttons {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: var(--space-2);
  margin-top: var(--info-label-gap);
}

.store-buttons a {
  font-family: var(--display-font);
  font-weight: 700;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  place-items: center;
  min-height: var(--space-6);
  padding: var(--space-1);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.75rem;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 200ms ease, border-color 200ms ease;
}

.store-buttons a:not([href="#"]) {
  border-color: #fff;
}

.store-buttons a:not([href="#"])::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--gold);
  opacity: 0;
  transition: opacity 200ms ease;
  pointer-events: none;
}

.store-button-label {
  display: inline-block;
  transform: translateY(-0.05em);
}

@supports (text-box: trim-both cap alphabetic) {
  .store-button-label {
    text-box: trim-both cap alphabetic;
    transform: none;
  }
}

.store-buttons a[href="#"] {
  font-family: var(--sans-font);
  font-weight: 400;
  pointer-events: none;
  user-select: none;
}

.store-buttons a[href="#"] .store-button-label {
  opacity: 0.50;
}

@media (hover: hover) and (pointer: fine) {
  .store-buttons a:not([href="#"]):hover {
    color: var(--bg);
    border-color: var(--gold);
  }

  .store-buttons a:not([href="#"]):hover::before {
    opacity: 1;
  }
}

.store-buttons a:not([href="#"]):focus-visible {
  color: var(--bg);
  border-color: var(--gold);
  outline: 1px solid var(--gold);
  outline-offset: 3px;
}

.store-buttons a:not([href="#"]):is(:active, :focus-visible)::before {
  opacity: 1;
}

.store-buttons a:not([href="#"]):active {
  color: var(--bg);
  border-color: var(--gold);
  background-color: var(--gold);
}

@media (prefers-reduced-motion: reduce) {
  .store-buttons a,
  .store-buttons a::before { transition: none; }
}

/* ==================== 09. 크레딧 ==================== */

#credit {
  padding-top: var(--section-space);
  padding-bottom: var(--space-10);
}

.production-credit {
  margin-top: 3.50rem;
}

.production-credit .production-logo {

  font-size: 1.15rem;
  width: 7.85em;
  margin-top: 0;
  height: auto;
  display: block;
  fill: currentColor;
}

.production-credit a,
.credit-team a,
.artist-credit a {
  text-decoration: none;
  background-image: linear-gradient(var(--gold), var(--gold));
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 0% 1px;
  transition: color 250ms ease, text-shadow 250ms ease, background-size 250ms ease;
}

.production-credit a {
  position: relative;
  display: table;
  margin-top: 0.75rem;
}


@media (hover: hover) {
  .production-credit a:hover,
  .credit-team a:hover,
  .artist-credit a:hover {
    color: var(--gold);
    text-shadow: 0 0 0.50rem rgb(253 210 62 / 25%);
    background-size: 100% 1px;
  }
}

.production-credit a:is(:active, :focus-visible),
.credit-team a:is(:active, :focus-visible),
.artist-credit a:is(:active, :focus-visible) {
  color: var(--gold);
  text-shadow: 0 0 0.50rem rgb(253 210 62 / 25%);
  background-size: 100% 1px;
}

@media (pointer: coarse) and (prefers-reduced-motion: no-preference) {
  .production-credit a:active,
  .credit-team a:active,
  .artist-credit a:active,
  .album-jacket:active::after,
  .album-jacket:active .jacket-download-label {
    transition-duration: 80ms;
  }
}

@media (prefers-reduced-motion: reduce) {
  .production-credit a,
  .production-credit .production-logo,
  .credit-team a,
  .artist-credit a {
    transition: none;
  }
}

/* 로고 위 간격을 기준으로 소제목 아래·이름 위의 글꼴 내부 여백만 제거 */
@supports (text-box: trim-both cap alphabetic) {
  .production-credit h3,
  .credit-team dt,
  .artist-credit h3 {
    text-box: trim-end cap alphabetic;
  }

  .credit-team dd {
    text-box: trim-both cap alphabetic;
  }
}

.credit-team {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.credit-team dd {
  margin-top: 0.75rem;
  font-family: var(--display-font);
  font-size: 1.15rem;
  font-weight: 600;
}

.artist-credit {
  margin-top: var(--space-4);
}

.artist-credit ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin-top: var(--space-1);
  column-gap: var(--space-3);
  /* 줄 시작의 구분선은 목록 왼쪽 밖으로 밀어 숨깁니다. */
  overflow: hidden;
  row-gap: 0.25rem;
  font-family: var(--display-font);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
}

/* 각 행의 line-height는 유지하고 목록 전체의 윗여백만 보정 */
@supports (text-box: trim-start cap alphabetic) {
  .artist-credit ul {
    margin-top: calc(0.75rem - 0.30em);
  }
}

.artist-credit li {
  position: relative;
  max-width: 100%;
}

.artist-credit li::before {
  content: '|';
  position: absolute;
  left: calc(var(--space-3) / -2);
  top: calc(50% - 0.05em);
  transform: translate(-50%, -50%);
  color: var(--muted);
  pointer-events: none;
}

/* 목록 경계에서 키보드 포커스 테두리가 잘리지 않도록 안쪽에 표시합니다. */
.artist-credit a:focus-visible {
  outline-offset: -0.15rem;
}

/* ==================== 10. 푸터 ==================== */

#footer {
  pointer-events: none;
  padding: var(--space-6) var(--page-gutter) var(--space-10);
  text-align: center;
  font-size: 0.70rem;
  line-height: 1.75em;
}

#footer strong {
  font-family: var(--track-font);
  font-size: 1.00rem;
}

/* ==================== 11. 반응형 ==================== */

/* PC 배너: 양쪽 상단 마크와 하단 레이블에 같은 여백 기준을 사용 */
@media (min-width: 75.00rem) {
  :root {
    --banner-inset: clamp(3.00rem, 6vw, 6.00rem);
    --banner-logo-width: 46%;

    --banner-logo-right: var(--banner-inset);
    --banner-label-left: var(--banner-inset);
    --banner-label-bottom: var(--banner-inset);
  }

  .catalog-mark {
    top: var(--banner-inset);
    left: var(--banner-inset);
  }

  .banner-label {
    width: 26%;
  }

  .label-symbol {
    top: var(--banner-inset);
    right: var(--banner-inset);
  }
}

/* 태블릿 이하: 메뉴, 본문 너비, 트랙 2열 */
@media (width < 75.00rem) {
  :root {
    --content-width: 42.00rem;
    --section-space: var(--space-8);
    --track-column-gap: var(--space-4);
  }

  .album-tracks {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

  .information-layout {
    grid-template-columns: 16.00rem minmax(0,1fr);
  }

  .credit-team {
    grid-template-columns: repeat(3,minmax(0,1fr));
  }

  dd {
    font-size: 1.25rem;
  }

  .album-information {
    --info-value-size: 1.25rem;
  }

}

/* 작은 태블릿 이하: 앨범 정보 세로 배치, 구매 버튼 1열 */
@media (width < 50.00rem) {
  :root {
    --page-gutter: var(--mobile-page-gutter);
  }

  .catalog-mark {
    top: var(--space-3);
    left: var(--space-3);
    width: 3.00rem;
  }

  .label-symbol {
    width: 2.50rem;
    top: var(--space-3);
    right: var(--space-3);
  }

  .banner-label {
    left: var(--banner-inset);
    width: 65%;
    gap: var(--space-2);
  }

  .label-wordmark {
    width: 48%;
  }

  #about-title {
    font-size: 1.50rem;
  }

  .tagline-english {
    font-size: 0.65rem;
    letter-spacing: 0.10em;
  }

  .about-description {
    margin-top: var(--space-4);
    letter-spacing: 0;
    font-size: 0.75rem;
  }

  .section-title {
    font-size: 1.75rem;
    gap: var(--space-2);
  }

  .information-layout {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .album-jacket {
    width: min(100%,22.00rem);
    margin-inline: auto;
  }

  .credit-team {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

  .ornament-window {
    width: 140%;
    right: -70%;
    --ornament-opacity: .5;
  }

  .ornament-arch {
    width: 110%;
    left: -45%;
    --ornament-opacity: .5;
  }

  .store-buttons {
    grid-template-columns: 1fr;
  }

}

/* 태블릿 공통: 576~1199px, 일정한 여백과 두 열 본문 */
@media (min-width: 36.00rem) and (width < 75.00rem) {

  :root {

    --page-gutter: var(--tablet-page-gutter);
    --nav-left: var(--space-2);
    --banner-inset: var(--tablet-page-gutter);
    --banner-logo-width: 50%;
    --banner-logo-right: var(--banner-inset);
    --banner-label-left: var(--banner-inset);
    --banner-label-bottom: var(--banner-inset);
    --track-column-gap: 2.00rem;
    --track-row-gap: 1.50rem;
  }

  .banner-label {
    width: 32%;
    max-width: 22.00rem;
    left: var(--banner-inset);
    gap: var(--space-2);
  }

  .label-wordmark {
    width: 48%;
  }

  .catalog-mark {
    width: 3.00rem;
    left: var(--banner-inset);
    top: var(--banner-inset);
  }

  .label-symbol {
    width: 2.50rem;
    top: var(--banner-inset);
    right: var(--banner-inset);
  }

  .album-track h3 {
    font-size: 1.40rem;
  }

  .track-number {
    margin-bottom: var(--space-1);
  }

  #about-title {
    font-size: 2.00rem;
  }

  .about-description {
    font-size: 0.90rem;
  }

  .store-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 세로 태블릿: 넓은 중앙 제목과 캐릭터 중심의 구도 */
@media (min-width: 36.00rem) and (width < 75.00rem) and (orientation: portrait) {
  :root {
    --banner-art-size: max(100vw, calc(var(--banner-height) * 1.25));
    --banner-art-left: 56%;
    --banner-logo-width: 82%;
    --banner-logo-right: 9%;
    --banner-logo-top: 62%;
    --banner-label-bottom: 8%;
  }

  .banner-label {
    width: 48%;
    max-width: 24.00rem;
  }
}

/* 충분한 폭의 태블릿에서는 자켓과 정보를 나란히 배치 */
@media (min-width: 44.00rem) and (width < 75.00rem) {
  .information-layout {
    grid-template-columns: minmax(12.00rem, 0.85fr) minmax(0, 1.2fr);
    gap: var(--space-4);
  }

  .album-information {
    --info-value-size: 1.15rem;
  }
}

:where(html.has-sticky-ornament) .ornament-window-track {
    display: block;
    position: absolute;
    inset: var(--ornament-start-offset, 0px) 0 var(--ornament-stop-inset, 2.00rem);
    z-index: -1;
    pointer-events: none;
  }

:where(html.has-sticky-ornament) .ornament-window-anchor {
  display: block;
  position: sticky;
  height: 0;
  top: calc(var(--viewport-origin-shift) + var(--ornament-anchor-top, 2.00rem));
}

:where(html.has-sticky-ornament) .ornament-window {
  position: absolute;
  width: 140%;
  top: 0;
  right: auto;
  bottom: auto;
  margin-left: 30%;
  translate: none;
}

/* 모바일: 얼굴 중심 보정, 하단 로고 그룹, 트랙 1열 */
@media (width < 36.00rem) {
  .ornament-arch {
    width: 90%;
    left: -4%;
  }

  .info-album-logo {
    max-height: none;
  }

  .language-switch {
    gap: 0.15rem;
    padding: 0.15rem;
  }

  .language-switch button {
    min-width: 2.50rem;
    min-height: 2.50rem;
    padding: 0.35rem;
    font-size: 0.70rem;
  }

  .language-switch > span {
    font-size: 0.75rem;
  }

  :root {
    --track-row-gap: 1.25rem;
    --section-space: var(--space-6);

    --banner-art-size: max(100vw, calc(var(--banner-height) * 1.7));
    --banner-art-left: calc(45% + var(--banner-art-size) * 0.105);
    --banner-art-top: calc(var(--banner-height) * 0.5 - var(--banner-art-size) * 0.28);

    --album-logo-right-inset: 21;
    --banner-logo-width: 100%;
    --banner-logo-right: auto;

    --banner-inset: clamp(2.00rem, 8vw, 3.00rem);
    --nav-left: 0.25rem;
  }

  .banner-bottom {
    position: absolute;
    inset: auto 0 var(--banner-label-bottom);
    display: grid;
    gap: var(--space-8);
  }

  #album-title {
    position: relative;
    top: auto;
    left: 0;
    min-width: 0;
    transform: none;
  }

  .banner-bottom .banner-label {
    position: relative;
    left: auto;
    bottom: auto;
    margin-left: var(--banner-label-left);
  }

  .album-tracks {
    grid-template-columns: 1fr;
    margin-top: var(--space-4);
  }

  .album-track h3 {
    font-size: 1.25rem;
  }

  .bonus-track h3 {
    row-gap: 0;
  }

  .bonus-subtitle {
    font-size: 1.05rem;
    text-wrap: balance;
  }

  .track-number {
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
  }

  .album-track p {
    font-size: 0.65rem;
    margin-top: 0.25rem;
  }

  .bonus-track p {
    margin-top: 0.45rem;
  }

  .bonus-label {
    font-size: 0.55rem;
    margin-top: 0.25rem;
  }

  .store-buttons {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  #tracklist .section-title, #info .section-title, #credit .section-title {
    font-size: 1.60rem;
  }

  .album-information {
    --info-value-size: 1.05rem;
  }

  .credit-team dd, .artist-credit ul, .production-credit .production-logo {
    font-size: 0.80rem;
  }

  #info dt, .store h3, .credit-team dt, .production-credit h3, .artist-credit h3 {
    font-size: 0.45rem;
  }

  .track-summary, .bonus-note {
    font-size: 0.55rem;
  }

  .jacket-download-label {
    font-size: 0.85rem;
  }

  #footer {
    font-size: 0.45rem;
  }

  #footer strong {
    font-size: 0.65rem;
  }

  #credit {
    padding-bottom: var(--space-8);
  }

  .catalog-mark, .banner-label {
    left: var(--banner-inset);
  }

  .about-content {
    container-type: inline-size;
  }

  #about-title {
    font-size: calc(100cqi / 12);
    white-space: nowrap;
  }

  .catalog-mark {
    top: 7%;
  }

  .label-symbol {
    top: 6%;
    right: var(--banner-inset);
  }

  .banner-label {
    width: min(72%, calc(100% - var(--banner-inset) * 2));
  }

  .crossfade-preview {
    margin-top: var(--space-4);
  }

}

/* 좁은 폴더블 외부 화면과 분할 창 */
@media (width < 20.00rem) {
  #tracklist .section-title, #info .section-title, #credit .section-title {
    font-size: 1.40rem;
    gap: 0.50rem;
  }

  .album-information, .credit-team {
    column-gap: 1.00rem;
  }
}

/* 움직임 줄이기 설정 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

}

/* 15. 스크롤 연출 — 크기·간격은 유지하고 한 번만 등장합니다. */
:root {
  --motion-duration: 800ms;
  --motion-rise: 1.00rem;
  --motion-stagger: 60ms;
  --motion-ease: cubic-bezier(.22, 1, .36, 1);
}

[data-reveal] {
  opacity: 0;
  translate: 0 var(--motion-rise);
  transition: opacity var(--motion-duration) var(--motion-ease),
              translate var(--motion-duration) var(--motion-ease);
  transition-delay: calc(var(--reveal-order, 0) * var(--motion-stagger));
}

[data-reveal].is-visible,
[data-reveal]:focus-within {
  opacity: 1;
  translate: 0 0;
}

[data-reveal]:focus-within {
  transition-delay: 0s;
}

.section-title[data-reveal]::after {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1000ms var(--motion-ease) 120ms;
}

.section-title[data-reveal].is-visible::after {
  transform: scaleX(1);
}

.page-ready.motion-enabled #album-title,
.page-ready.motion-enabled .banner-label,
.page-ready.motion-enabled .catalog-mark,
.page-ready.motion-enabled .label-symbol {
  animation: banner-appear 1400ms var(--motion-ease) both;
}

[data-ornament-reveal] {
  transition: opacity 1600ms var(--motion-ease);
}

[data-ornament-reveal]:not(.is-visible) {
  opacity: 0;
}

@keyframes banner-appear {
  from { opacity: 0; }
  to { opacity: 1; }
}

.motion-enabled .ornament-window {
  translate: 0 var(--ornament-shift, 0px);
}

.motion-enabled:where(.has-sticky-ornament) .ornament-window {
  translate: none;
}

@media (width < 50.00rem) {
  :root {
    --motion-rise: 0.65rem;
    --motion-duration: 650ms;
    --motion-stagger: 30ms;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-ornament-reveal] {
    opacity: var(--ornament-opacity);
    transition: none;
  }
  [data-reveal] {
    opacity: 1;
    translate: none;
    transition: none;
  }
  .motion-enabled .ornament-window {
    translate: none;
  }
  .section-title[data-reveal]::after {
    transform: none;
    transition: none;
  }
  .page-ready.motion-enabled #album-title,
  .page-ready.motion-enabled .banner-label,
  .page-ready.motion-enabled .catalog-mark,
  .page-ready.motion-enabled .label-symbol {
    animation: none;
  }
}

/* 16. 로딩 화면 — 금색 고딕 창 하나만 회전합니다. */
html.is-loading { overflow: hidden; }

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  transition: opacity 500ms var(--motion-ease), visibility 500ms;
}

.page-loader:not([hidden]) {
  display: grid;
  place-items: center;
}

.page-loader.is-finished {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-window {
  width: 7.00rem;
  aspect-ratio: 1;
  background: var(--gold);
  mask: url('../images/gothic-1.svg') center / contain no-repeat;
  animation: loader-window-turn 10s linear infinite;
}

@keyframes loader-window-turn {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .page-loader { transition: none; }
  .loader-window { animation: none; }
}

/* ==================== 17. 꽃잎과 안개 — 클릭·스크롤을 가리지 않는 장식 ==================== */
.petal-canvas {
  --petal-blur: 4px; /* 꽃잎의 부드러움: 이 값으로 조정 */
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .petal-canvas { display: none; }
}

/* ==================== 18. 배경 애니메이션 켜기·끄기 ==================== */
.petal-toggle {
  font-family: var(--sans-font);
  position: relative;
  display: grid;
  place-items: center;
  width: 3.00rem;
  height: 1.75rem;
  padding: 0.15rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.petal-toggle::after {
  content: 'Animation';
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.25rem);
  padding: 0.30rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  background: var(--bg);
  color: var(--text);
  font: 600 0.60rem/1 var(--sans-font);
  letter-spacing: 0.05em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.petal-toggle:is(:active, :focus-visible)::after { opacity: 1; }

@media (hover: hover) and (pointer: fine) {
  .petal-toggle:hover::after { opacity: 1; }
}

.petal-toggle-track {
  box-sizing: content-box;
  position: relative;
  flex: none;
  width: 2.50rem;
  height: 1.30rem;
  border: 1px solid var(--line);
  border-radius: 1.00rem;
}

.petal-toggle-track::before {
  content: '';
  position: absolute;
  top: 0.15rem;
  left: 0.15rem;
  width: 1.00rem;
  height: 1.00rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.75;
  transition: transform 180ms ease;
}

.petal-toggle[aria-checked="true"] { color: #fff; }
.petal-toggle[aria-checked="true"] .petal-toggle-track::before { opacity: 1; transform: translateX(1.20rem); }

@media (prefers-reduced-motion: reduce) {
  .petal-toggle-track::before, .petal-toggle::after { transition: none; }
}

@media (prefers-reduced-motion: reduce) {
  :where(html.has-sticky-ornament) .ornament-window-anchor {
    position: relative;
    top: 0;
  }

  :where(html.has-sticky-ornament) .ornament-window {
    translate: none;
  }
}