:root {
  --signal: #f12614;
  --stage-red: #ee210c;
  --paper: #f2f0eb;
  --ink: #11110f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 0;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--stage-red);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

.site-nav {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 50%;
  display: grid;
  width: min(calc(100% - 24px), 1480px);
  height: 58px;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 7px 10px;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 76%);
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgb(255 255 255 / 78%), rgb(242 240 235 / 54%));
  color: var(--ink);
  box-shadow:
    0 18px 48px rgb(15 15 13 / 18%),
    0 2px 8px rgb(15 15 13 / 8%),
    inset 0 1px 0 rgb(255 255 255 / 92%),
    inset 0 -1px 0 rgb(255 255 255 / 28%);
  backdrop-filter: blur(24px) saturate(180%) brightness(1.06);
  -webkit-backdrop-filter: blur(24px) saturate(180%) brightness(1.06);
  transform: translateX(-50%);
  transform-origin: top center;
  transition:
    transform 360ms cubic-bezier(.22, 1, .36, 1),
    opacity 220ms ease,
    box-shadow 220ms ease;
}

.site-nav::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(115deg, rgb(255 255 255 / 28%), transparent 45%, rgb(255 255 255 / 14%));
  pointer-events: none;
  content: '';
}

.site-nav.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, calc(-100% - 20px)) scale(.96);
}

.site-nav.is-visible {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.nav-reveal {
  position: fixed;
  z-index: 101;
  top: 0;
  left: 50%;
  display: grid;
  width: min(180px, 38vw);
  height: 18px;
  padding: 0;
  place-items: start center;
  border: 0;
  background: transparent;
  cursor: pointer;
  transform: translateX(-50%);
}

.nav-reveal span {
  width: 56px;
  height: 5px;
  margin-top: 4px;
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 999px;
  background: rgb(28 28 26 / 52%);
  box-shadow: 0 3px 12px rgb(0 0 0 / 20%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-reveal.is-dormant {
  pointer-events: none;
}

.nav-reveal.is-dormant span {
  opacity: 0;
  transform: translateY(-8px);
}

.nav-reveal:focus {
  outline: none;
}

.nav-reveal:focus-visible span {
  box-shadow: 0 3px 12px rgb(0 0 0 / 20%), 0 0 0 3px rgb(241 38 20 / 52%);
}

.wordmark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 50%;
  background: var(--signal);
  color: white;
  box-shadow: 0 7px 18px rgb(241 38 20 / 30%), inset 0 1px 0 rgb(255 255 255 / 32%);
  font-family: 'Arial Black', Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: -.08em;
  text-decoration: none;
}

.site-nav nav {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding: 2px 3px 3px;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  touch-action: pan-x;
}

.site-nav nav::-webkit-scrollbar {
  display: none;
}

.site-nav nav a {
  position: relative;
  padding: 10px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: rgb(17 17 15 / 68%);
  font-family: 'Arial Black', Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: -.025em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  scroll-snap-align: center;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.site-nav nav a:hover {
  border-color: rgb(255 255 255 / 62%);
  background: rgb(255 255 255 / 42%);
  color: var(--ink);
}

.site-nav nav a.active {
  border-color: rgb(255 255 255 / 46%);
  background: var(--signal);
  color: white;
  box-shadow: 0 7px 18px rgb(241 38 20 / 28%), inset 0 1px 0 rgb(255 255 255 / 28%);
}

.progress-label {
  min-width: 66px;
  padding: 9px 10px;
  border: 1px solid rgb(255 255 255 / 52%);
  border-radius: 999px;
  background: rgb(255 255 255 / 34%);
  text-align: center;
  color: rgb(17 17 15 / 76%);
  font-family: 'Arial Black', Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
  white-space: nowrap;
}

.deck {
  position: relative;
  isolation: isolate;
  width: 100%;
  background: transparent;
}

.slide {
  position: sticky;
  top: 0;
  display: grid;
  width: 100%;
  height: 100vh;
  height: 100svh;
  min-height: 0;
  margin: 0 auto;
  overflow: hidden;
  place-items: center;
  scroll-margin-top: 0;
  background: var(--stage-red);
}

.slide-media {
  position: relative;
  width: min(100%, calc(100vh * 16 / 9), 3840px);
  width: min(100%, calc(100svh * 16 / 9), 3840px);
  height: auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: white;
}

.slide-media > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.mobile-reader-trigger,
.mobile-reader,
.mobile-carousel-backdrops,
.mobile-song-player {
  display: none;
}

.video-layer,
.video-layer iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-layer {
  z-index: 2;
  background: transparent;
  pointer-events: none;
}

.video-layer iframe {
  display: block;
  background: transparent;
  pointer-events: none;
}

.video-audio-controls {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  display: flex;
  min-height: 40px;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
  padding: 7px 10px 7px 12px;
  border: 1px solid white;
  border-radius: 999px;
  background: rgb(0 0 0 / 82%);
  color: white;
  box-shadow: 0 4px 18px rgb(0 0 0 / 35%);
}

.video-sound-toggle {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: 800 12px/1 'Arial Black', Arial, Helvetica, sans-serif;
  letter-spacing: -.025em;
  cursor: pointer;
}

.video-sound-toggle:hover,
.video-sound-toggle:focus-visible {
  outline: none;
  background: white;
  color: #11110f;
}

.video-volume {
  width: 76px;
  accent-color: white;
  cursor: pointer;
}

.local-video,
.local-video-pair {
  position: absolute;
  z-index: 3;
  overflow: hidden;
  pointer-events: none;
}

.local-video--so-far {
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  object-fit: cover;
}

.local-video--burana-vertical {
  top: 18.43%;
  left: 46.15%;
  width: 19.69%;
  height: 62.13%;
  object-fit: cover;
}

.local-video-pair {
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.local-video-pair video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-song-button {
  --song-button-size: clamp(44px, 3.6vw, 74px);
  position: absolute;
  z-index: 5;
  top: 15.4%;
  left: calc(44.974% - var(--song-button-size) - 1.25%);
  display: grid;
  width: var(--song-button-size);
  height: var(--song-button-size);
  padding: 0;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 88%);
  border-radius: 50%;
  background: rgb(255 255 255 / 96%);
  color: var(--signal);
  box-shadow:
    0 12px 28px rgb(99 14 5 / 24%),
    inset 0 1px 0 rgb(255 255 255 / 100%),
    inset 0 -1px 0 rgb(241 38 20 / 12%);
  cursor: pointer;
  transition: transform 180ms cubic-bezier(.22, 1, .36, 1), box-shadow 180ms ease, background 180ms ease;
}

.case-song-button::before {
  position: absolute;
  inset: 5px;
  border: 1px solid rgb(241 38 20 / 16%);
  border-radius: inherit;
  content: '';
}

.case-song-button:hover,
.case-song-button:focus-visible {
  outline: none;
  background: white;
  box-shadow:
    0 15px 32px rgb(99 14 5 / 30%),
    0 0 0 4px rgb(255 255 255 / 42%),
    inset 0 1px 0 white;
  transform: scale(1.07);
}

.case-song-button:active {
  transform: scale(.96);
}

.case-song-button span {
  width: 0;
  height: 0;
  margin-left: 5%;
  border-top: clamp(6px, .5vw, 10px) solid transparent;
  border-bottom: clamp(6px, .5vw, 10px) solid transparent;
  border-left: clamp(9px, .72vw, 15px) solid currentColor;
}

.case-song-button.is-playing {
  box-shadow:
    0 12px 28px rgb(99 14 5 / 24%),
    0 0 0 6px rgb(255 255 255 / 16%),
    inset 0 1px 0 white;
  animation: song-button-pulse 1.8s ease-in-out infinite;
}

.case-song-button.is-playing span {
  width: clamp(10px, .8vw, 16px);
  height: clamp(12px, .95vw, 20px);
  margin-left: 0;
  border: 0;
  background: linear-gradient(90deg, currentColor 0 32%, transparent 32% 68%, currentColor 68%);
}

@keyframes song-button-pulse {
  50% { box-shadow: 0 14px 32px rgb(99 14 5 / 30%), 0 0 0 10px rgb(255 255 255 / 7%), inset 0 1px 0 white; }
}

.music-player {
  position: absolute;
  z-index: 4;
  display: grid;
  width: 29.4%;
  min-height: 10.2%;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: clamp(8px, .75vw, 15px);
  padding: clamp(9px, .9vw, 17px) clamp(10px, 1vw, 20px);
  isolation: isolate;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 76%);
  border-radius: 999px;
  background: linear-gradient(135deg, rgb(255 255 255 / 82%), rgb(242 240 235 / 58%));
  color: var(--ink);
  box-shadow:
    0 18px 48px rgb(15 15 13 / 18%),
    0 2px 8px rgb(15 15 13 / 8%),
    inset 0 1px 0 rgb(255 255 255 / 92%),
    inset 0 -1px 0 rgb(255 255 255 / 28%);
  backdrop-filter: blur(24px) saturate(180%) brightness(1.06);
  -webkit-backdrop-filter: blur(24px) saturate(180%) brightness(1.06);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.music-player::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(115deg, rgb(255 255 255 / 34%), transparent 48%, rgb(255 255 255 / 14%));
  pointer-events: none;
  content: '';
}

.music-player.is-playing {
  border-color: rgb(241 38 20 / 38%);
  box-shadow:
    0 18px 48px rgb(15 15 13 / 18%),
    0 7px 20px rgb(241 38 20 / 18%),
    inset 0 1px 0 rgb(255 255 255 / 92%);
}

.music-player--mieli { top: 69.8%; left: 7.7%; }
.music-player--kamppi { top: 60.1%; left: 7.9%; }

.music-player__button {
  display: grid;
  width: clamp(30px, 2.5vw, 50px);
  height: clamp(30px, 2.5vw, 50px);
  padding: 0;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 52%);
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 7px 18px rgb(241 38 20 / 30%), inset 0 1px 0 rgb(255 255 255 / 28%);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.music-player__button:hover,
.music-player__button:focus-visible {
  outline: none;
  box-shadow: 0 8px 22px rgb(241 38 20 / 38%), 0 0 0 3px rgb(255 255 255 / 52%);
  transform: scale(1.04);
}

.music-player__button span {
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: clamp(5px, .45vw, 9px) solid transparent;
  border-bottom: clamp(5px, .45vw, 9px) solid transparent;
  border-left: clamp(8px, .65vw, 13px) solid white;
}

.music-player.is-playing .music-player__button span {
  width: clamp(9px, .75vw, 15px);
  height: clamp(11px, .95vw, 19px);
  margin-left: 0;
  border: 0;
  background: linear-gradient(90deg, white 0 34%, transparent 34% 66%, white 66%);
}

.music-player__details {
  display: grid;
  min-width: 0;
  gap: 1px;
  font-family: 'Arial Black', Arial, Helvetica, sans-serif;
  line-height: 1.08;
}

.music-player__details strong,
.music-player__details span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.music-player__eyebrow,
.music-player__details span,
.music-player__time {
  color: rgb(17 17 15 / 58%);
  font-size: clamp(6px, .5vw, 10px);
}

.music-player__eyebrow {
  color: var(--signal) !important;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.music-player__details strong { font-size: clamp(8px, .73vw, 15px); }
.music-player__time { font-variant-numeric: tabular-nums; }

.music-player__seek {
  width: 100%;
  grid-column: 1 / -1;
  margin: clamp(5px, .45vw, 9px) 0 0;
  accent-color: var(--signal);
  cursor: pointer;
}

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

@media (max-width: 760px) {
  html,
  body {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }

  main#top {
    position: relative;
    isolation: isolate;
    width: 100%;
    height: 100svh;
    overflow: hidden;
    background: transparent;
  }

  .site-nav {
    top: 8px;
    width: calc(100% - 16px);
    height: 52px;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 7px;
    padding: 6px 7px;
  }

  .wordmark {
    width: 38px;
    height: 38px;
    font-size: 11px;
  }

  .site-nav nav {
    gap: 3px;
  }

  .site-nav nav a {
    padding: 9px 11px;
    font-size: 10px;
  }

  .progress-label {
    display: none;
  }

  .deck {
    z-index: 1;
    display: flex;
    width: 100%;
    height: 100svh;
    padding-block: max(88px, calc((100svh - 49.5vw) / 2));
    flex-direction: column;
    gap: 16px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scroll-padding-block: max(88px, calc((100svh - 49.5vw) / 2));
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
    touch-action: pan-y pinch-zoom;
    -webkit-overflow-scrolling: touch;
  }

  .deck::-webkit-scrollbar {
    display: none;
  }

  .deck.is-reader-open {
    overflow: hidden;
  }

  .slide {
    position: relative;
    top: auto;
    display: block;
    width: 88vw;
    height: auto;
    min-height: auto;
    margin: 0 auto;
    flex: 0 0 auto;
    aspect-ratio: 16 / 9;
    overflow: visible;
    opacity: .38;
    filter: saturate(.62) brightness(.7);
    scroll-snap-align: center;
    scroll-snap-stop: normal;
    transform: scale(.86);
    transform-origin: center;
    transition:
      transform 480ms cubic-bezier(.22, 1, .36, 1),
      opacity 360ms ease,
      filter 360ms ease;
    background: transparent;
  }

  .slide.is-active {
    z-index: 2;
    opacity: 1;
    filter: none;
    transform: scale(1);
  }

  .slide-media {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border: 1px solid rgb(255 255 255 / 24%);
    border-radius: 12px;
    background: var(--stage-red);
    box-shadow: 0 18px 42px rgb(92 10 3 / 25%);
  }

  .slide.is-active .slide-media {
    box-shadow:
      0 24px 56px rgb(92 10 3 / 34%),
      0 0 0 1px rgb(255 255 255 / 18%);
  }

  .slide .case-song-button {
    display: none;
  }

  .mobile-reader-trigger {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    color: white;
    cursor: zoom-in;
    opacity: 0;
    pointer-events: none;
  }

  .slide.is-active .mobile-reader-trigger {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-reader-trigger--half {
    right: 50%;
  }

  .mobile-reader-trigger span {
    position: absolute;
    right: 10px;
    bottom: 10px;
    padding: 8px 11px;
    border: 1px solid rgb(255 255 255 / 62%);
    border-radius: 999px;
    background: rgb(20 18 16 / 58%);
    box-shadow: 0 6px 18px rgb(0 0 0 / 22%);
    font-family: 'Arial Black', Arial, Helvetica, sans-serif;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .02em;
    line-height: 1;
    text-transform: uppercase;
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
  }

  .mobile-reader-trigger:focus-visible {
    outline: 3px solid white;
    outline-offset: 4px;
  }

  .mobile-carousel-backdrops {
    position: fixed;
    z-index: 0;
    inset: 0;
    display: block;
    overflow: hidden;
    background: var(--stage-red);
    pointer-events: none;
  }

  .mobile-carousel-backdrop {
    position: absolute;
    inset: -10%;
    background-position: center;
    background-size: cover;
    filter: blur(34px) saturate(1.16);
    opacity: .76;
    transform: scale(1.12);
    will-change: opacity;
  }

  .mobile-carousel-backdrop.is-current {
    z-index: 2;
    animation: mobile-backdrop-in 700ms ease both;
  }

  .mobile-carousel-backdrop.is-previous {
    z-index: 1;
  }

  .mobile-reader {
    position: fixed;
    z-index: 500;
    inset: 0;
    display: block;
    overflow: hidden;
    background: var(--stage-red);
    cursor: zoom-out;
    animation: mobile-reader-in 320ms cubic-bezier(.22, 1, .36, 1) both;
  }

  .mobile-reader--media {
    z-index: 502;
    background: rgb(18 16 14 / 88%);
    cursor: default;
  }

  .mobile-reader__media-scroll {
    position: absolute;
    inset: 0;
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
    touch-action: pan-x pan-y pinch-zoom;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-reader__media-scroll::-webkit-scrollbar {
    display: none;
  }

  .mobile-reader__media-rail {
    display: flex;
    width: max-content;
    min-width: 100%;
    min-height: 100%;
    align-items: center;
    justify-content: center;
    padding: max(82px, 12svh) max(18px, 5vw);
  }

  .mobile-reader__media-slide {
    position: relative;
    width: max(180vw, calc(70svh * 16 / 9));
    flex: 0 0 auto;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border: 1px solid rgb(255 255 255 / 30%);
    border-radius: 12px;
    background: var(--stage-red);
    box-shadow: 0 28px 70px rgb(0 0 0 / 42%);
  }

  .mobile-reader__media-slide > img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
  }

  .mobile-reader__hint {
    position: fixed;
    z-index: 502;
    right: 50%;
    bottom: max(16px, env(safe-area-inset-bottom));
    margin: 0;
    padding: 10px 13px;
    border: 1px solid rgb(255 255 255 / 58%);
    border-radius: 999px;
    background: rgb(20 18 16 / 54%);
    color: white;
    box-shadow: 0 8px 24px rgb(0 0 0 / 24%);
    font: 900 9px/1 'Arial Black', Arial, Helvetica, sans-serif;
    letter-spacing: .02em;
    text-transform: uppercase;
    white-space: nowrap;
    transform: translateX(50%);
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
  }

  .mobile-reader__canvas {
    position: absolute;
    inset: 0;
    overflow: hidden;
    background: var(--stage-red);
    touch-action: pan-y pinch-zoom;
  }

  .mobile-reader__image {
    position: absolute;
    display: block;
    max-width: none;
    height: auto;
    user-select: none;
    -webkit-user-drag: none;
  }

  .mobile-reader__image--panel {
    top: calc(50% - 75.8vw);
    left: -6.96vw;
    width: 237.5vw;
  }

  .mobile-reader__image--half {
    top: calc(50% - 56.25vw);
    left: 0;
    width: 200vw;
  }

  .mobile-reader__close {
    position: fixed;
    z-index: 502;
    top: max(12px, env(safe-area-inset-top));
    left: 12px;
    display: flex;
    min-width: 76px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 14px 9px 10px;
    border: 1px solid rgb(255 255 255 / 68%);
    border-radius: 999px;
    background: rgb(255 255 255 / 22%);
    color: white;
    box-shadow: 0 10px 30px rgb(92 10 3 / 24%);
    font: 900 11px/1 'Arial Black', Arial, Helvetica, sans-serif;
    cursor: pointer;
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
  }

  .mobile-reader__close span {
    font: 400 24px/0 Arial, Helvetica, sans-serif;
  }

  .mobile-reader__close:focus-visible {
    outline: 3px solid white;
    outline-offset: 3px;
  }

  .mobile-song-player {
    position: fixed;
    z-index: 503;
    left: 50%;
    bottom: max(46px, calc(env(safe-area-inset-bottom) + 24px));
    display: grid;
    max-width: calc(100vw - 32px);
    grid-template-columns: 46px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    padding: 6px 16px 6px 6px;
    border: 1px solid rgb(255 255 255 / 74%);
    border-radius: 999px;
    background: linear-gradient(135deg, rgb(255 255 255 / 82%), rgb(244 241 237 / 58%));
    color: var(--ink);
    box-shadow:
      0 18px 44px rgb(92 10 3 / 30%),
      inset 0 1px 0 rgb(255 255 255 / 92%);
    cursor: default;
    transform: translateX(-50%);
    backdrop-filter: blur(22px) saturate(180%);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
  }

  .mobile-song-player button {
    position: relative;
    display: grid;
    width: 46px;
    height: 46px;
    padding: 0;
    place-items: center;
    border: 1px solid rgb(255 255 255 / 62%);
    border-radius: 50%;
    background: var(--signal);
    color: white;
    box-shadow: 0 8px 20px rgb(111 15 6 / 30%), inset 0 1px 0 rgb(255 255 255 / 28%);
    cursor: pointer;
  }

  .mobile-song-player button:focus-visible {
    outline: 3px solid white;
    outline-offset: 3px;
  }

  .mobile-song-player button span {
    width: 0;
    height: 0;
    margin-left: 3px;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 11px solid currentColor;
  }

  .mobile-song-player.is-playing button span {
    width: 13px;
    height: 16px;
    margin-left: 0;
    border: 0;
    background: linear-gradient(90deg, currentColor 0 33%, transparent 33% 67%, currentColor 67%);
  }

  .mobile-song-player strong {
    overflow: hidden;
    font: 900 12px/1.1 'Arial Black', Arial, Helvetica, sans-serif;
    letter-spacing: -.01em;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

}

@keyframes mobile-reader-in {
  from { opacity: 0; transform: scale(.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes mobile-backdrop-in {
  from { opacity: 0; }
  to { opacity: .76; }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-nav,
  .music-player {
    background: rgb(246 245 241 / 97%);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .site-nav,
  .nav-reveal span,
  .site-nav nav,
  .site-nav nav a,
  .music-player,
  .music-player__button,
  .case-song-button {
    transition: none;
    scroll-behavior: auto;
  }

  .case-song-button.is-playing { animation: none; }

  .slide,
  .mobile-reader,
  .mobile-carousel-backdrop {
    animation: none;
    transition: none;
  }
}