:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.9);
  --text: #202a44;
  --muted: #667087;
  --subtle: #8a93a6;
  --blue: #31558f;
  --blue-soft: #eef3fb;
  --blue-line: #cad6e9;
  --red: #9f3b57;
  --gold: #ad8235;
  --mint: #496a9f;
  --sun: #c09a48;
  --line: rgba(49, 85, 143, 0.18);
  --shadow: 0 18px 42px rgba(31, 47, 78, 0.12);
  --shadow-pop: 0 24px 50px rgba(31, 61, 108, 0.18);
  --content-width: 1160px;
  --page-gutter: clamp(1rem, 4vw, 3rem);
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.7;
}

main {
  flex: 1 0 auto;
}

a {
  color: inherit;
  text-decoration: none;
}

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

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2,
h3 {
  line-height: 1.14;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header-height);
  padding: 0 var(--page-gutter);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(var(--content-width), 100%);
  min-height: var(--header-height);
  margin: 0 auto;
}

.site-header::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  content: "";
  background: var(--gold);
  opacity: 0.75;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  border: 1px solid var(--blue-line);
  border-radius: 8px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(49, 85, 143, 0.16);
}

.brand-text {
  display: grid;
  gap: 0.05rem;
}

.brand-text strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a,
.header-action,
.menu-button,
.button,
.feature-card,
.content-card,
.stream-card,
.link-card,
.song-card {
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--blue-line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 800;
  line-height: 1.2;
}

.header-action:hover,
.header-action:focus-visible {
  border-color: var(--blue);
  background: var(--blue-soft);
  transform: translateY(-1px);
}

.site-nav a {
  padding: 0.58rem 0.72rem;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  border-color: var(--blue-line);
  background: var(--blue-soft);
  color: var(--blue);
}

.menu-button {
  display: none;
  min-height: 2.55rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--blue-line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: min(700px, 76svh);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--blue-soft);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  width: min(var(--content-width), calc(100% - (var(--page-gutter) * 2)));
  min-height: inherit;
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(3rem, 7vw, 5rem);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  width: min(640px, 100%);
}

.eyebrow {
  margin-bottom: 0.65rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  color: var(--text);
  font-size: clamp(3.1rem, 11vw, 7.2rem);
  letter-spacing: 0;
  text-shadow:
    0 2px 0 rgba(255, 255, 255, 0.9),
    0 12px 30px rgba(49, 85, 143, 0.18);
}

.lead {
  max-width: 36rem;
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.26rem);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.45rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.72rem 1rem;
  border: 1px solid var(--blue-line);
  border-radius: 8px;
  font-weight: 800;
}

.button:hover,
.button:focus-visible,
.feature-card:hover,
.feature-card:focus-visible,
.content-card:hover,
.stream-card:hover,
.link-card:hover,
.link-card:focus-visible,
.song-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-pop);
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(49, 85, 143, 0.24);
}

.button.ghost {
  background: var(--surface);
  color: var(--blue);
}

.section,
.page-hero {
  width: min(var(--content-width), calc(100% - (var(--page-gutter) * 2)));
  margin: 0 auto;
}

.section {
  padding: clamp(3rem, 7vw, 5.4rem) 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 1.35rem;
}

.section-header p,
.section-copy p,
.page-hero p:not(.eyebrow),
.content-card p,
.stream-card p,
.news-item p,
.credit-list p,
.link-card p {
  color: var(--muted);
}

.section-header h2,
.page-hero h1 {
  font-size: clamp(2rem, 6vw, 4.2rem);
}

.section-header h2::after,
.page-hero h1::after {
  display: block;
  width: min(7rem, 38vw);
  height: 0.42rem;
  margin-top: 0.62rem;
  border-radius: 999px;
  content: "";
  background: var(--blue);
}

.nav-hub {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.intro-layout,
.profile-layout,
.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: clamp(1rem, 4vw, 2rem);
  align-items: start;
}

.section-copy h2 {
  margin-bottom: 0.9rem;
  font-size: clamp(1.7rem, 5vw, 3rem);
}

.section-copy p + p,
.world-panel p + p {
  margin-top: 0.85rem;
}

.feature-grid,
.card-grid,
.stream-grid,
.link-grid,
.fact-grid,
.news-list,
.credit-list {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: 1fr;
}

.feature-card,
.content-card,
.stream-card,
.link-card,
.profile-panel,
.credit-list article,
.news-item,
.fact-item,
.world-panel,
.song-toolbar,
.song-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.feature-card,
.link-card {
  position: relative;
  min-height: 7.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.35rem;
  overflow: hidden;
  padding: 1.1rem;
}

.feature-card::before,
.link-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.28rem;
  content: "";
  background: var(--gold);
}

.feature-card span,
.link-card span,
.meta,
.news-date,
.fact-item span {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
}

.feature-card strong,
.link-card strong {
  font-size: 1.08rem;
  line-height: 1.25;
}

.fact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.fact-item,
.world-panel,
.profile-panel,
.credit-list article,
.news-item {
  padding: 1.2rem;
}

.fact-item strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.18rem;
}

.card-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

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

.content-card,
.stream-card {
  overflow: hidden;
}

.content-card img,
.stream-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--blue-soft);
}

.content-card-body,
.stream-card-body {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
}

.content-card-body .button,
.stream-card-body .button {
  width: fit-content;
  margin-top: 0.2rem;
}

.news-list.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-item {
  display: grid;
  gap: 0.4rem;
}

.empty-state {
  border: 1px dashed var(--blue-line);
  border-radius: 8px;
  padding: 1.2rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.78);
}

.card-row .empty-state,
.card-grid .empty-state,
.stream-grid .empty-state,
.news-list .empty-state {
  grid-column: 1 / -1;
}

.page-main {
  min-height: 80vh;
}

.page-hero {
  padding: clamp(4.2rem, 9vw, 6.8rem) 0 1rem;
}

.page-hero p:not(.eyebrow) {
  max-width: 48rem;
  margin-top: 0.8rem;
}

.profile-panel h2,
.credit-list h2 {
  margin-bottom: 0.8rem;
  font-size: 1.25rem;
}

.profile-note {
  margin-top: 1rem;
  color: var(--muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-list li {
  padding: 0.46rem 0.65rem;
  border: 1px solid var(--blue-line);
  border-radius: 6px;
  background: var(--blue-soft);
  color: var(--blue);
}

.profile-data {
  margin: 0;
}

.profile-data div {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.82rem 0;
  border-bottom: 1px solid var(--line);
}

.profile-data div:first-child {
  padding-top: 0;
}

.profile-data div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.profile-data dt {
  color: var(--blue);
  font-weight: 800;
}

.profile-data dd {
  margin: 0;
  color: var(--muted);
}

.link-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.link-card {
  border-color: var(--blue-line);
}

.link-card.is-disabled {
  color: var(--muted);
  cursor: default;
}

.link-card.is-disabled:hover {
  transform: none;
  box-shadow: var(--shadow);
}

.song-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(220px, 0.9fr);
  gap: 1rem;
  margin-bottom: 1.35rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.98);
}

.song-field {
  display: grid;
  gap: 0.45rem;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
}

.song-input {
  width: 100%;
  min-height: 2.85rem;
  scroll-margin-top: calc(var(--header-height) + 2rem);
  padding: 0.72rem 0.8rem;
  border: 1px solid var(--blue-line);
  border-radius: 8px;
  background: #fbfcfe;
  color: var(--text);
  font: inherit;
}

.song-input:focus {
  outline: 2px solid rgba(49, 85, 143, 0.24);
  outline-offset: 2px;
}

.song-list {
  display: grid;
  gap: 0.85rem;
}

.song-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  overflow: hidden;
  padding: 1rem;
}

.song-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0.34rem;
  content: "";
  background: var(--blue);
}

.song-card-main {
  display: grid;
  gap: 0.25rem;
}

.song-card-main h3 {
  font-size: clamp(1.05rem, 3vw, 1.35rem);
}

.song-card-main p:last-child {
  color: var(--muted);
}

.song-source.is-disabled {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.72rem 1rem;
  border: 1px dashed var(--blue-line);
  border-radius: 8px;
  color: var(--muted);
  font-weight: 800;
}

.site-footer {
  flex: 0 0 auto;
  padding: 1.5rem var(--page-gutter);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--muted);
}

.site-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(var(--content-width), 100%);
  margin: 0 auto;
}

.private-page {
  background: #f1f4f9;
}

.private-main {
  display: grid;
  min-height: 100svh;
  padding: var(--page-gutter);
  place-items: center;
}

.private-card {
  position: relative;
  width: min(32rem, 100%);
  overflow: hidden;
  padding: clamp(2rem, 7vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  text-align: center;
}

.private-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.38rem;
  content: "";
  background: var(--gold);
}

.private-brand {
  justify-content: center;
  margin-bottom: clamp(2rem, 6vw, 3rem);
  text-align: left;
}

.private-card h1 {
  font-size: clamp(2.4rem, 10vw, 4.2rem);
}

.private-message {
  margin-top: 0.85rem;
  color: var(--muted);
}

.local-home {
  background: #f1f4f9;
}

.local-home .site-header,
.karaoke-page .site-header {
  background: rgba(255, 255, 255, 0.92);
}

.local-preview-hero {
  min-height: clamp(560px, calc(100svh - var(--header-height)), 760px);
  background: #e9eef6;
}

.local-preview-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(241, 244, 249, 0.2);
}

.local-preview-hero .hero-image {
  object-position: center 18%;
}

.local-preview-hero .hero-content {
  z-index: 2;
  width: min(600px, 100%);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 12px;
  background: rgba(255, 252, 250, 0.74);
  box-shadow: 0 24px 60px rgba(28, 47, 88, 0.14);
  backdrop-filter: blur(10px);
}

.karaoke-page {
  --song-surface: #ffffff;
  --song-ink: #202a44;
  --song-muted: #667087;
  --song-pink: #9f3b57;
  --song-mint: #31558f;
  --song-lemon: #ad8235;
  --song-line: rgba(49, 85, 143, 0.2);
  background: #f5f7fb;
  color: var(--song-ink);
}

.karaoke-page .brand-mark {
  border-color: var(--blue-line);
  background: var(--blue-soft);
  color: var(--song-mint);
  box-shadow: 0 10px 22px rgba(49, 85, 143, 0.18);
}

.karaoke-page .brand-text small,
.karaoke-page .section-header p,
.karaoke-page .song-card-main p:last-child,
.karaoke-page .site-footer {
  color: var(--song-muted);
}

.song-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.5fr);
  gap: clamp(1.2rem, 4vw, 2.4rem);
  align-items: center;
  min-height: 20rem;
  padding: clamp(2.8rem, 6vw, 4.5rem) 0 clamp(1.8rem, 4vw, 2.6rem);
}

.song-hero::before {
  position: absolute;
  top: 2.1rem;
  right: min(5vw, 3rem);
  color: rgba(159, 59, 87, 0.18);
  content: "♪";
  font-size: 6rem;
  font-weight: 800;
  line-height: 1;
  pointer-events: none;
}

.song-hero-copy {
  position: relative;
  max-width: 46rem;
}

.song-hero h1 {
  color: var(--song-ink);
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  text-shadow:
    0 2px 0 #ffffff,
    0 16px 32px rgba(49, 85, 143, 0.16);
}

.song-hero h1::after {
  width: 8.6rem;
  height: 0.42rem;
  background: var(--song-mint);
}

.song-hero p:not(.eyebrow) {
  max-width: 40rem;
  color: var(--song-muted);
  font-weight: 700;
}

.song-hero .eyebrow,
.karaoke-page .meta,
.karaoke-page .song-field {
  color: var(--song-pink);
}

.song-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.15rem;
}

.song-hero-tags span {
  padding: 0.38rem 0.72rem;
  border: 1px solid var(--blue-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--song-mint);
  font-size: 0.86rem;
  font-weight: 800;
}

.song-hero-panel {
  position: relative;
  align-self: end;
  overflow: hidden;
  padding: 1.15rem;
  border: 1px solid var(--blue-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 38px rgba(49, 85, 143, 0.14);
}

.song-hero-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.35rem;
  content: "";
  background: var(--song-lemon);
}

.song-hero-panel::after {
  position: absolute;
  right: 0.95rem;
  bottom: 0.65rem;
  color: rgba(159, 59, 87, 0.2);
  content: "♪";
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}

.song-hero-panel span {
  display: block;
  color: var(--song-pink);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.song-hero-panel strong {
  display: block;
  margin-top: 0.18rem;
  font-size: 1.18rem;
}

.song-hero-panel p {
  margin-top: 0.45rem;
  color: var(--song-muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.song-section {
  padding-top: clamp(1.2rem, 3vw, 2rem);
}

.karaoke-page .song-toolbar {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  z-index: 10;
  grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.9fr);
  margin-bottom: clamp(1.7rem, 4vw, 2.4rem);
  padding: 1.2rem;
  border-color: var(--song-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 38px rgba(49, 85, 143, 0.12);
  backdrop-filter: blur(16px);
}

.karaoke-page .song-toolbar::before {
  display: block;
  position: absolute;
  top: -0.72rem;
  left: 1rem;
  width: fit-content;
  padding: 0.22rem 0.58rem;
  border-radius: 8px;
  background: var(--song-pink);
  color: #ffffff;
  content: "おうた検索";
  font-size: 0.72rem;
  font-weight: 800;
}

.karaoke-page .song-input {
  border-color: var(--blue-line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.karaoke-page .song-input:focus {
  outline-color: rgba(49, 85, 143, 0.24);
}

.karaoke-page .song-list-header {
  margin-bottom: 0.65rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--song-line);
}

.song-list-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.song-count {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--blue-line);
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--song-mint) !important;
  font-size: 0.82rem;
  font-weight: 800;
}

.karaoke-page .song-list-header h2::after {
  display: none;
}

.karaoke-page .song-list {
  gap: 0.5rem;
}

.song-list-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(10rem, 0.9fr) auto;
  gap: 1rem;
  padding: 0 1.15rem 0.45rem;
  color: var(--song-muted);
  font-size: 0.74rem;
  font-weight: 800;
}

.song-list-columns span:last-child {
  justify-self: end;
}

.karaoke-page .song-card {
  grid-template-columns: minmax(0, 1.45fr) minmax(10rem, 0.9fr) auto;
  grid-template-areas: "title artist action";
  min-height: 4.5rem;
  padding: 0.9rem 1.15rem;
  border-color: var(--song-line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 5px 14px rgba(49, 85, 143, 0.07);
}

.karaoke-page .song-card::before {
  width: 0.38rem;
  background: var(--song-mint);
}

.karaoke-page .song-card:hover {
  transform: translateY(-1px);
  border-color: rgba(49, 85, 143, 0.34);
  box-shadow: 0 10px 24px rgba(49, 85, 143, 0.12);
}

.karaoke-page .song-card-main {
  grid-area: title;
}

.karaoke-page .song-card-main h3 {
  font-size: 1.18rem;
}

.karaoke-page .song-card-main,
.song-artist {
  min-width: 0;
}

.song-artist {
  grid-area: artist;
  color: var(--song-muted);
}

.song-card-action {
  grid-area: action;
  justify-self: end;
}

.karaoke-page .song-card .button.ghost,
.karaoke-page .song-source.is-disabled {
  min-height: 2.45rem;
  padding: 0.56rem 0.8rem;
  border-radius: 6px;
}

.karaoke-page .song-card .button.ghost {
  border-color: var(--song-pink);
  background: var(--song-pink);
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(159, 59, 87, 0.2);
}

.karaoke-page .song-source.is-disabled {
  border-color: var(--blue-line);
  background: var(--blue-soft);
}

.karaoke-page .song-list .empty-state {
  display: grid;
  min-height: 14rem;
  place-items: center;
  border-color: var(--blue-line);
  border-style: solid;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 32px rgba(49, 85, 143, 0.1);
  font-weight: 700;
  text-align: center;
}

.karaoke-page .song-list .empty-state::before {
  display: grid;
  place-items: center;
  width: 3.2rem;
  height: 3.2rem;
  margin-bottom: 0.4rem;
  border: 1px solid var(--blue-line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--song-pink);
  content: "♪";
  font-size: 1.7rem;
  box-shadow: 0 10px 22px rgba(49, 85, 143, 0.14);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 480ms ease, transform 480ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 66px;
  }

  .site-header {
    min-height: 66px;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.98);
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero {
    min-height: min(650px, 74svh);
  }

  .section-header,
  .nav-hub,
  .intro-layout,
  .profile-layout,
  .split-layout,
  .song-hero,
  .card-row,
  .card-grid,
  .stream-grid,
  .news-list.compact,
  .link-grid,
  .fact-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    display: grid;
    align-items: start;
  }

  .song-hero h1 {
    font-size: 3.4rem;
  }

  .song-hero-panel {
    width: min(34rem, 100%);
  }

  .karaoke-page .song-card {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title action"
      "artist action";
    gap: 0.18rem 1rem;
  }

  .song-list-columns {
    display: none;
  }
}

@media (max-width: 700px) {
  .local-preview-hero {
    min-height: 0;
    overflow: visible;
  }

  .local-preview-hero::after {
    display: none;
  }

  .local-preview-hero .hero-image {
    position: relative;
    inset: auto;
    aspect-ratio: 4 / 3;
    height: auto;
    object-position: 68% center;
  }

  .local-preview-hero .hero-inner {
    align-items: stretch;
    min-height: 0;
    padding: 1.25rem 0 2.5rem;
  }

  .local-preview-hero .hero-content {
    width: 100%;
    background: var(--surface);
    backdrop-filter: none;
  }

  .song-toolbar {
    grid-template-columns: 1fr;
  }

  .karaoke-page .song-toolbar {
    position: static;
  }
}

@media (max-width: 560px) {
  .brand-text small {
    display: none;
  }

  .hero {
    min-height: 68svh;
    align-items: flex-end;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 17vw, 4.6rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .profile-data div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .site-footer {
    padding-block: 1.25rem;
  }

  .site-footer-inner {
    flex-direction: column;
    gap: 0.2rem;
  }

  .song-hero {
    gap: 0.9rem;
    padding-top: 2.1rem;
    padding-bottom: 1.2rem;
  }

  .song-hero::before {
    top: 1.4rem;
    right: 0.4rem;
    font-size: 3.8rem;
  }

  .song-hero h1 {
    font-size: 2.55rem;
  }

  .local-preview-hero h1 {
    font-size: clamp(2.3rem, 12vw, 3.35rem);
  }

  .song-hero-panel {
    padding: 0.78rem 0.9rem;
    border: 1px solid var(--blue-line);
    border-left: 4px solid var(--song-pink);
    box-shadow: 0 8px 20px rgba(49, 85, 143, 0.1);
  }

  .song-hero-panel::before,
  .song-hero-panel::after,
  .song-hero-panel span {
    display: none;
  }

  .song-hero-panel strong {
    margin-top: 0;
    font-size: 1rem;
  }

  .song-hero-panel p {
    margin-top: 0.18rem;
    font-size: 0.82rem;
    line-height: 1.5;
  }

  .song-section {
    padding-top: 0.8rem;
  }

  .karaoke-page .song-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "title"
      "artist"
      "action";
    gap: 0.35rem;
    padding: 0.85rem 0.9rem;
  }

  .song-card-action {
    width: 100%;
    margin-top: 0.25rem;
  }

  .song-card-action .song-source {
    width: 100%;
  }
}