:root {
  color-scheme: light;
}

html {
  background: #ffffff;
}

body {
  box-sizing: border-box;
  width: 920px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 88px 72px 180px;
  overflow-x: auto;
  color: #858585;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.55;
}

h1 {
  margin: 0 0 20px;
  color: #777777;
  font-size: 25px;
  font-weight: 600;
  line-height: 1.35;
}

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

a:hover,
a:focus {
  color: #222222;
  text-decoration: underline;
}

pre {
  margin: 0;
  color: inherit;
  font: inherit;
  tab-size: 4;
  white-space: pre-wrap;
}

/* Inline emphasis keeps the same size, weight and baseline as the poem. */
.poem-italic {
  font-style: italic;
}

.poem-oblique {
  font-style: oblique 4deg;
}

.map {
  position: relative;
  width: 520px;
  height: 452px;
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 1;
  white-space: normal;
}

.map-item {
  position: absolute;
  white-space: pre;
}

.poem-preview-trigger {
  appearance: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.poem-preview-trigger:hover,
.poem-preview-trigger:focus-visible,
.poem-preview-trigger[aria-expanded="true"] {
  color: #222222;
  border-bottom-color: currentColor;
}

.poem-preview-trigger:focus-visible {
  outline: 1px dotted currentColor;
  outline-offset: 3px;
}

.map-number {
  color: #666666;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
}

.map a {
  border-bottom: 1px solid transparent;
}

.map a:hover,
.map a:focus {
  border-color: currentColor;
  text-decoration: none;
}

.map .map-question {
  color: #75666c;
  background: transparent;
  font-size: 15px;
  font-weight: 600;
}

hr {
  width: 620px;
  margin: 44px 0 0;
  border: 0;
  border-top: 1px solid #c8c8c8;
}

.index-page h1 {
  margin-bottom: 80px;
  font-size: 22px;
}

.index-page hr {
  width: 514px;
  margin-top: 118px;
}

.poem-preview-card {
  position: fixed;
  z-index: 10;
  box-sizing: border-box;
  width: 180px;
  max-width: calc(100vw - 24px);
  height: 296px;
  max-height: calc(100vh - 24px);
  border: 1px solid #d6d6d3;
  color: #858585;
  background: #f6f6f4;
  box-shadow: 0 2px 7px rgba(0, 0, 0, .18);
  outline: none;
  opacity: 1;
  transition: opacity var(--poem-preview-fade-duration, 1000ms) ease;
}

.poem-preview-card.is-fading-out {
  opacity: 0;
  pointer-events: none;
}

.poem-preview-card[hidden] {
  display: none;
}

.poem-preview-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #f6f6f4;
}

.site-nav {
  position: fixed;
  top: 24px;
  right: 30px;
  z-index: 2;
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
}

.work {
  width: 100%;
  min-height: 760px;
}

.part-1 .work,
.part-2 .work {
  font-size: 14px;
  line-height: 1.55;
}

.part-2 .part-2-layout {
  position: relative;
  width: 100%;
  min-height: 0;
  height: 750px;
  line-height: 1;
  white-space: normal;
}

.part-2 .part-2-first-composition {
  display: block;
  position: absolute;
  inset: 0;
  transform: scale(var(--part-2-exit-scale, 1));
  transform-origin: 0 0;
  transition: none;
}

.part-2 .part-2-section {
  position: absolute;
  inset: 0;
  transform-origin: 0 0;
}

.part-2 .part-2-first-section {
  transform-origin: 0 55.5px;
  transform: scale(var(--part-2-scale, 1));
  transition: none;
}

.part-2 .part-2-first-section.is-part2-zoom-body > .part-2-line {
  top: calc(var(--y) - 110px);
}

.part-2 .part-2-line {
  display: block;
  position: absolute;
  top: var(--y);
  left: var(--x);
  width: max-content;
  height: 1em;
  line-height: 1;
  white-space: pre;
}

/* Keep the typing caret out of the inline line box. When the caret was an
   inline-block, moving it to the next line made the completed line recalculate
   its baseline for one frame, which looked like a tiny upward jump. */
.part-2 .part-2-line .typewriter-cursor:not(.is-part2-line-start):not(.is-part2-pull-insert) {
  position: absolute;
  top: .05em;
  margin-left: .12em;
  vertical-align: 0;
}

.part-1 .part-1-title,
.part-2 .part-2-heading-line,
.part-3 .part-3-title {
  font-size: 15px;
  font-weight: 300;
}

.part-2 .part-2-title-line {
  font-size: 14px;
}

.part-2 .part-2-second-section {
  font-size: 16px;
  transform: translateY(-92px);
}

html.part-3-root {
  --part-3-background-start: #eeeeee;
  --part-3-background-end: #207f51;
  --part-3-text-start: #858585;
  --part-3-text-end: #ffffff;
  background-color: var(--part-3-background-start);
}

body.part-3 {
  color: var(--part-3-text-start);
  background: transparent;
}

.part-3 a:hover,
.part-3 a:focus {
  color: inherit;
}

html.part-3-root.is-part3-color-complete {
  background-color: var(--part-3-background-end);
}

html.part-3-root.is-part3-color-complete body.part-3 {
  color: var(--part-3-text-end);
}

.part-3 .part-3-layout {
  position: relative;
  width: 100%;
  min-height: 0;
  height: 820px;
  line-height: 1;
  white-space: normal;
}

.part-3 .part-3-line,
.part-3 .part-3-ending-line {
  display: block;
  position: absolute;
  top: var(--y);
  left: var(--x);
  width: max-content;
  height: 1em;
  line-height: 1;
  white-space: pre;
}

.part-3 .part-3-first-section {
  display: block;
  position: absolute;
  inset: 0;
}

.part-3 .part-3-group {
  display: block;
  position: absolute;
  top: var(--part-3-y, var(--sy));
  left: var(--part-3-x, var(--sx));
  width: 0;
  height: 0;
  white-space: pre;
}

.part-3 .part-3-fragment {
  display: block;
  position: absolute;
  top: var(--gy);
  left: var(--gx);
  width: max-content;
  height: 1em;
  line-height: 1;
  white-space: pre;
}

.part-3 .part-3-fragment.is-part3-parallel-typing::after {
  display: inline-block;
  position: absolute;
  top: .05em;
  width: .42em;
  height: .9em;
  margin-left: .09em;
  background: currentColor;
  content: "";
  animation: typewriter-cursor-blink .68s steps(1, end) infinite;
}

.part-3 .part-3-second-section {
  display: block;
  position: absolute;
  top: 675px;
  left: 0;
  width: 776px;
  font-size: 10.5px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.part-3 .part-3-second-section.is-part3-concurrent-typing::after {
  display: inline-block;
  position: absolute;
  width: .42em;
  height: .9em;
  margin-left: .09em;
  transform: translateY(.1em);
  background: currentColor;
  content: "";
  animation: typewriter-cursor-blink .68s steps(1, end) infinite;
}

.part-4 .part-4-layout {
  position: relative;
  min-height: 0;
  height: 760px;
  line-height: 1.55;
  white-space: normal;
}

.part-4 .part-4-intro,
.part-4 .part-4-prompt,
.part-4 .part-4-continuation,
.part-4 .part-4-final {
  display: block;
  position: absolute;
  left: 0;
  white-space: pre;
}

.part-4 .part-4-intro {
  top: 0;
}

.part-4 .part-4-prompt {
  top: 43px;
  width: max-content;
  overflow: visible;
}

.part-4 .part-4-continuation {
  top: 190px;
}

.part-4 .part-4-lips-prompt {
  display: inline-block;
  position: relative;
  width: max-content;
  overflow: visible;
  white-space: pre;
}

.part-4 .part-4-final {
  top: 342px;
}

html.part-4-preview-root {
  background: #f6f6f4;
}

.part-4-preview-root body.part-4 {
  box-sizing: border-box;
  width: 100%;
  min-height: 0;
  margin: 0;
  padding: 18px 13px;
  overflow-x: hidden;
  background: transparent;
  font-size: 13px;
}

.part-4-preview-root .site-nav,
.part-4-preview-root .page-turn,
.part-4-preview-root .part-4-intro {
  display: none;
}

.part-4-preview-root .part-4-layout {
  height: 252px;
  line-height: 1.4;
}

.part-4-preview-root .part-4-prompt {
  top: 0;
}

.part-4-preview-root .part-4-continuation {
  top: 92px;
}

.part-4-preview-root .part-4-final {
  top: 212px;
}

.part-4-preview-root .part-4 .part-4-trigger,
.part-4-preview-root .part-4 .part-4-lips-trigger {
  font-size: inherit;
  text-decoration: none;
}

.part-4-preview-root .part-4 .part-4-preview {
  top: calc(100% + 8px);
  left: 0;
  max-width: 80px;
  padding: 4px 6px;
  font-size: 11px;
}

.part-5 .part-5-title {
  font-size: 15.5px;
}

.part-5 .part-5-oblique {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  font-style: oblique 4deg;
  line-height: inherit;
}

.part-5 .work.is-part5-coloring .part-5-copy {
  animation: part5-text-to-peach 25s linear forwards;
}

.part-5 .work.is-part5-peach .part-5-copy {
  color: rgba(199, 142, 158, .55);
}

html.part-5-root,
body.part-5 {
  transition: background-color 7.5s linear;
}

html.part-5-root.is-part5-vanishing {
  background-color: #f7f1f3;
}

body.part-5.is-part5-vanishing {
  background-color: #f7f1f3;
}

.part-5 .part-5-copy {
  color: inherit;
  opacity: 1;
  transition: color 7.5s linear, opacity 7.5s linear;
}

.part-5 .work.is-part5-vanishing .part-5-copy {
  color: rgba(247, 239, 241, .25);
  opacity: 0;
}

.part-5 .part-5-spinner {
  display: inline-block;
  width: 1em;
  margin-left: .35em;
  color: rgba(118, 94, 101, .72);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  font-size: .94em;
  font-weight: 300;
  line-height: 1;
  text-align: center;
  vertical-align: .02em;
  visibility: hidden;
}

.part-5 .part-5-spinner.is-active {
  visibility: visible;
}

.part-6 {
  color: #667078;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.55;
}

.part-6 .part-6-terminal {
  position: relative;
  width: 100%;
  height: 620px;
}

.part-6 .part-6-shell,
.part-6 .part-6-vi-screen {
  position: absolute;
  inset: 0;
}

.part-6 .part-6-open-command,
.part-6 .part-6-quit-command {
  appearance: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: #667078;
  background: transparent;
  font: inherit;
  line-height: inherit;
  text-decoration: none;
  -webkit-text-fill-color: currentColor;
  opacity: 1;
  cursor: default;
}

.part-6 .part-6-open-command.is-ready,
.part-6 .part-6-quit-command.is-ready {
  color: #5d707b;
  text-decoration: none;
  cursor: pointer;
}

.part-6 .part-6-open-command.is-ready:hover,
.part-6 .part-6-open-command.is-ready:focus-visible,
.part-6 .part-6-quit-command.is-ready:hover,
.part-6 .part-6-quit-command.is-ready:focus-visible {
  color: #f8f8f8;
  background: #667078;
  text-decoration: none;
}

.part-6 .part-6-open-command:focus-visible,
.part-6 .part-6-quit-command:focus-visible {
  outline: 1px dotted currentColor;
  outline-offset: 4px;
}

.part-6 .part-6-cursor {
  display: inline-block;
  width: .58em;
  height: 1.08em;
  margin-left: .12em;
  vertical-align: -.15em;
  background: currentColor;
  animation: typewriter-cursor-blink .78s steps(1, end) infinite;
}

.part-6 .part-6-cursor[hidden] {
  display: none;
}

.part-6 .part-6-vi-copy,
.part-6 .part-6-vi-empty {
  position: absolute;
  left: 0;
  width: 100%;
  white-space: pre;
}

.part-6 .part-6-vi-copy {
  top: 190px;
  text-align: center;
}

.part-6 .part-6-vi-empty-top {
  top: 0;
}

.part-6 .part-6-vi-empty-bottom {
  top: 258px;
}

.part-6 .part-6-vi-empty {
  color: rgba(102, 112, 120, .38);
}

.part-6 .part-6-vi-status,
.part-6 .part-6-vi-command {
  position: absolute;
  left: 0;
  width: 100%;
  white-space: pre;
}

.part-6 .part-6-vi-status {
  top: 500px;
  box-sizing: border-box;
  padding: 0;
  color: #4f565b;
  background: #ffffff;
  text-align: left;
}

.part-6 .part-6-vi-command {
  top: 536px;
}

.part-6 .part-6-file-cursor,
.part-6 .part-6-command-cursor {
  width: .56em;
  height: 1em;
}

.part-4 .part-4-trigger,
.part-4 .part-4-lips-trigger {
  appearance: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: #74818a;
  background: transparent;
  font: inherit;
  line-height: inherit;
  text-decoration-line: underline;
  text-decoration-color: rgba(105, 122, 133, .68);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  -webkit-text-fill-color: currentColor;
  opacity: 1;
  cursor: default;
}

.part-4 .part-4-trigger {
  font-size: 15px;
  font-weight: 300;
}

.part-4 .part-4-prompt.is-ready .part-4-trigger,
.part-4 .part-4-lips-prompt.is-ready .part-4-lips-trigger {
  cursor: pointer;
}

.part-4 .part-4-prompt.is-ready .part-4-trigger:hover,
.part-4 .part-4-prompt.is-ready .part-4-trigger:focus-visible,
.part-4 .part-4-lips-prompt.is-ready .part-4-lips-trigger:hover,
.part-4 .part-4-lips-prompt.is-ready
  .part-4-lips-trigger:focus-visible {
  color: #596a75;
  text-decoration-color: currentColor;
}

.part-4 .part-4-trigger:focus-visible,
.part-4 .part-4-lips-trigger:focus-visible {
  outline: 1px dotted currentColor;
  outline-offset: 4px;
}

.part-4 .part-4-preview {
  display: block;
  position: absolute;
  top: -12px;
  left: calc(100% + 16px);
  z-index: 3;
  width: max-content;
  max-width: 220px;
  padding: 8px 10px;
  border: 1px solid #dedede;
  color: #748089;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 5px 16px rgba(0, 0, 0, .07);
  font-size: 12px;
  font-weight: 300;
  line-height: 1.55;
  white-space: pre-line;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-4px);
  transition: opacity .14s ease, transform .14s ease,
    visibility 0s linear .14s;
  pointer-events: none;
}

.part-4 .part-4-prompt.is-ready:not(.is-activated)
  .part-4-trigger:hover ~ .part-4-preview,
.part-4 .part-4-prompt.is-ready:not(.is-activated)
  .part-4-trigger:focus-visible ~ .part-4-preview,
.part-4 .part-4-lips-prompt.is-ready:not(.is-activated)
  .part-4-lips-trigger:hover ~ .part-4-preview,
.part-4 .part-4-lips-prompt.is-ready:not(.is-activated)
  .part-4-lips-trigger:focus-visible ~ .part-4-preview {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  transition-delay: .32s, .32s, 0s;
}

.part-3 .part-3-line .typewriter-cursor,
.part-3 .part-3-fragment .typewriter-cursor,
.part-3 .part-3-ending-line .typewriter-cursor {
  position: absolute;
  top: .05em;
  margin-left: .12em;
  vertical-align: 0;
}

.typewriter-cursor.is-part2-line-start {
  position: absolute;
  top: .05em;
  left: -.7em;
  z-index: 1;
  margin-left: 0;
}

.part-2 .part-2-pull-word {
  display: inline-block;
  position: relative;
  vertical-align: baseline;
}

.typewriter-cursor.is-part2-pull-insert {
  position: absolute;
  top: .05em;
  left: calc(var(--part-2-pull-cursor-x, 0px) - .55em);
  z-index: 1;
  margin-left: 0;
}

.part-3 .work,
.part-7 .work,
.part-question .work {
  line-height: 1.7;
}

.part-7 .work {
  overflow: visible;
}

.part-7 .part-7-character {
  display: inline;
}

.part-7 .part-7-emphasis {
  color: inherit;
  font-style: oblique 4deg;
}

.part-7 .part-7-gap {
  display: inline-block;
  overflow: hidden;
  width: 0;
  white-space: pre;
  vertical-align: -.14em;
  transition: width .2s steps(4, end);
}

.part-7 .part-7-character.is-split .part-7-gap {
  width: 2.6em;
}

.part-7 .part-7-glyph {
  display: inline-block;
  overflow: visible;
  vertical-align: baseline;
  text-align: center;
  white-space: pre;
}

.part-7 .work.is-part7-decoding .part-7-character {
  pointer-events: none;
}

.part-7 .part-7-glyph.is-breathing {
  /* Shorten the fade-out by 20%, preserving the original return time. */
  animation: part7-glyph-breathe calc(var(--part7-breath-duration, 12s) * .9) ease-in-out both;
  animation-delay: var(--part7-breath-delay, 0ms);
}

.part-question .pq-stage {
  min-height: 760px;
  line-height: 1.7;
}

.part-question .pq-stage.is-pending {
  visibility: hidden;
}

.part-question .pq-final {
  pointer-events: none;
}

.part-question .pq-cursor-stop {
  display: inline;
}

.part-question .pq-closing {
  display: inline;
  padding: 0;
  border: 0;
  outline-offset: 5px;
  color: inherit;
  background: transparent;
  font: inherit;
  font-weight: inherit;
  line-height: 1;
  text-align: inherit;
  white-space: pre;
  opacity: 1;
}

.part-question .pq-closing.is-ready {
  color: #6f6f6f;
  cursor: pointer;
}

.part-question .pq-closing.is-ready:hover,
.part-question .pq-closing.is-ready:focus-visible {
  color: #333333;
}

.part-question .pq-character {
  display: inline;
  opacity: 1;
  visibility: visible;
  vertical-align: baseline;
  white-space: pre;
  transition: none;
}

.part-question .pq-character.is-corrupting {
  display: inline-block;
  color: inherit;
}

.part-question .pq-character.is-ascii-corruption {
  transform: scaleX(1.18);
  transform-origin: left center;
}

.part-question .pq-character.is-dissolved {
  visibility: hidden;
}

.part-question .pq-cursor {
  position: static;
  margin-left: .12em;
  pointer-events: none;
  transition: none;
}

.page-turn {
  margin-top: 96px;
  font-size: 12px;
  letter-spacing: .03em;
}

.typewriter-cursor {
  display: inline-block;
  width: .55em;
  height: 1.05em;
  margin-left: .12em;
  vertical-align: -.13em;
  background: currentColor;
  animation: typewriter-cursor-blink .82s steps(1, end) infinite;
}

.typewriter-cursor.is-finished {
  animation: typewriter-cursor-blink .82s steps(1, end) infinite;
}

.part-4 .typewriter-cursor.is-part4-moving {
  position: absolute;
  z-index: 4;
  margin-left: 0;
  vertical-align: 0;
  transition: none;
  pointer-events: none;
}

.part-5 .typewriter-cursor.is-part5-spinner-scene {
  display: none;
  animation: none;
}

.typewriter-cursor.is-scene {
  display: none;
  animation: none;
}

.typewriter-cursor.is-movement-transition,
.typewriter-cursor.is-parallel-scene,
.typewriter-cursor.is-part3-parallel-scene {
  display: none;
  animation: none;
}

.first-movement,
.second-movement {
  display: block;
  white-space: inherit;
}

.first-movement.is-clearing {
  opacity: 0;
  transition: opacity .58s ease;
}

.room-section {
  white-space: pre;
}

.room-fragment {
  display: inline-block;
  position: relative;
  vertical-align: baseline;
  text-align: left;
}

.room-section.is-animating .room-fragment {
  visibility: hidden;
}

.room-section.is-animating .room-fragment.is-visible {
  visibility: visible;
}

.room-fragment.is-room-typing::after,
.parallel-fragment.is-parallel-typing::after,
.footnote-marker.is-footnote-typing::after {
  display: inline-block;
  position: absolute;
  top: .13em;
  width: .42em;
  height: .9em;
  margin-left: .09em;
  background: currentColor;
  content: "";
  animation: typewriter-cursor-blink .68s steps(1, end) infinite;
}

.parallel-group {
  white-space: pre;
}

.parallel-fragment {
  display: inline-block;
  position: relative;
  vertical-align: baseline;
  text-align: left;
}

.work.has-parallel-animation .parallel-fragment {
  visibility: hidden;
}

.work.has-parallel-animation .parallel-fragment.is-visible {
  visibility: visible;
}

.footnote-marker {
  display: inline-block;
  position: relative;
  vertical-align: baseline;
  text-align: left;
}

.footnote-block {
  white-space: pre;
}

@font-face {
  font-family: "Poem Fangsong";
  src: local("STFangsong"), local("FangSong"), local("仿宋"), local("仿宋_GB2312");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Poem Zhuque Fangsong";
  src: url("fonts/poem-zhuque-fangsong-v0212.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  /* Match the established STFangsong line metrics, not per-element offsets.
     A newly typed Fangsong span must not enlarge a mixed-font line box. */
  ascent-override: 86%;
  descent-override: 14%;
  line-gap-override: 0%;
}

.part-1 .footnote-term,
.part-1 .footnote-chinese {
  font-family: "Poem Fangsong", "Poem Zhuque Fangsong", "STFangsong", "FangSong", "仿宋", "Songti SC", "SimSun", serif;
  font-weight: 400;
  font-synthesis: none;
}

.part-1 .footnote-term {
  /* Share the surrounding text's baseline, including inside animated fragments.
     Optical offsets for a previous font must not carry over to Fangsong. */
  vertical-align: baseline;
}

.part-1 .footnote-chinese.poem-oblique {
  /* These Fangsong faces have no italic cut; allow slant, not faux bold. */
  font-synthesis: style;
}

.part-1 .footnote-english {
  /* Match the body’s “I am” face, retaining the smaller footnote size. */
  font-family: inherit;
  font-weight: 300;
  /* Align visible ink, not just grid boxes, using the loaded font metrics. */
  margin-inline-start: var(--footnote-ink-inset, 0em);
}

.part-1 .footnote-marker {
  top: -.55em;
  margin-left: .12em;
  font-family: "Times New Roman", serif;
  font-size: 9px;
  line-height: 0;
}

.part-1 .second-movement {
  position: relative;
  min-height: max(560px, calc(100vh - 116px));
  white-space: normal;
}

/* PDF composition: offsets are relative to (72pt, 955pt), divided by
   its 7pt body size. em units retain those proportions at our 14px size.
   Literal spaces remain in the source only to preserve the typing score. */
.part-1 .movement-row {
  display: block;
  position: absolute;
  top: var(--pdf-y);
  left: 0;
  width: 100%;
  min-height: 1.6em;
  white-space: normal;
}

.part-1 .movement-indent,
.part-1 .second-movement > .typewriter-cursor {
  display: none;
}

.part-1 .movement-lead {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  min-height: 1.6em;
  white-space: nowrap;
}

.part-1 .movement-pair {
  display: inline-grid;
  position: absolute;
  top: 0;
  left: var(--pdf-first-x);
  grid-template-columns: max-content max-content;
  align-items: baseline;
  vertical-align: top;
  text-align: left;
  white-space: nowrap;
}

.part-1 .parallel-group {
  display: inline-grid;
  grid-template-columns: calc(var(--pdf-second-x) - var(--pdf-first-x)) max-content;
  align-items: baseline;
  justify-items: start;
  white-space: normal;
}

.part-1 .parallel-fragment {
  min-height: 1.6em;
  white-space: nowrap;
}

.part-1 .movement-row-name .movement-pair > .footnote-term {
  min-width: 4em;
  min-height: 1.6em;
}

.part-1 .movement-row .typewriter-cursor,
.part-1 .footnote-inline-cursor {
  position: absolute;
}

.part-1 .movement-pair > .typewriter-cursor {
  left: 100%;
  top: .2em;
}

.part-1 .footnote-block {
  position: absolute;
  bottom: 0;
  left: calc(28px - 72px - max(0px, (100vw - 920px) / 2));
  width: 500px;
  max-width: calc(100vw - 56px);
  font-size: 11px;
  font-weight: 400;
  line-height: 15px;
  white-space: normal;
}

.part-1 .footnote-rule {
  display: block;
  height: 0;
  margin-bottom: 42px;
  border-top: 1px solid #c8c8c8;
}

.part-1 .footnote-line {
  display: grid;
  grid-template-columns: 1em minmax(0, 1fr);
  column-gap: .25em;
  align-items: baseline;
  min-height: 15px;
}

.part-1 .footnote-number {
  min-width: 0;
  font-family: "Times New Roman", serif;
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.part-1 .footnote-copy {
  min-width: 0;
}

.part-1 .footnote-number::before,
.part-1 .footnote-copy::before {
  /* Keep real text baselines even while these cells are empty during typing. */
  content: "\2060";
}

.work.has-footnote-animation .footnote-marker,
.work.has-footnote-animation .footnote-line,
.work.has-footnote-animation .footnote-rule {
  visibility: hidden;
}

.work.has-footnote-animation .footnote-marker.is-visible,
.work.has-footnote-animation .footnote-line.is-visible,
.work.has-footnote-animation .footnote-rule.is-visible {
  visibility: visible;
}

.footnote-inline-cursor {
  display: inline-block;
  width: .42em;
  height: .9em;
  margin-left: .09em;
  vertical-align: -.1em;
  background: currentColor;
  animation: typewriter-cursor-blink .68s steps(1, end) infinite;
}

.wave-decode {
  display: inline-block;
  position: relative;
  overflow: visible;
  vertical-align: baseline;
  text-align: left;
}

.wave-scramble-line {
  display: block;
  position: absolute;
  top: 0;
  left: 1em;
  white-space: nowrap;
  font: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  word-spacing: inherit;
  pointer-events: none;
  color: inherit;
  opacity: 1;
}

.sound-toggle {
  position: fixed;
  top: 48px;
  right: 30px;
  z-index: 3;
  margin: 0;
  padding: 0;
  border: 0;
  color: #a0a0a0;
  background: transparent;
  font: inherit;
  font-size: 11px;
  font-weight: 300;
  letter-spacing: .06em;
  cursor: pointer;
}

.sound-toggle:hover,
.sound-toggle:focus,
.sound-toggle.is-waiting {
  color: #444444;
  outline: none;
}

.sound-toggle.is-waiting {
  animation: sound-toggle-pulse 1.2s ease-in-out infinite;
}

.room-window {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 10;
  width: 300px;
  border: 1px solid #a8a8a8;
  color: #666666;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 12px 38px rgba(0, 0, 0, .09);
  opacity: 0;
  transform: translate(-50%, -46%);
  transition:
    opacity .28s ease,
    transform .36s ease;
}

.room-window.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.room-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 25px;
  padding: 0 8px 0 10px;
  border-bottom: 1px solid #d4d4d4;
  color: #999999;
  font-size: 10px;
  letter-spacing: .08em;
}

.room-window-close {
  padding: 0 2px;
  border: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}

.room-window-close:hover,
.room-window-close:focus {
  color: #333333;
  outline: none;
}

.room-window p {
  margin: 0;
  padding: 41px 28px 44px;
  color: #5d5d5d;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: .04em;
  text-align: center;
}

.decode-character {
  display: inline-block;
  overflow: visible;
  text-align: center;
  white-space: pre;
}

@keyframes part7-glyph-breathe {
  0%,
  100% {
    opacity: 1;
  }

  44.444444% {
    opacity: 0;
  }
}

@keyframes typewriter-cursor-blink {
  0%,
  48% {
    opacity: 1;
  }

  49%,
  100% {
    opacity: 0;
  }
}

@keyframes part5-text-to-peach {
  from {
    color: #858585;
  }

  to {
    color: rgba(199, 142, 158, .55);
  }
}

@keyframes sound-toggle-pulse {
  0%,
  100% {
    opacity: .45;
  }

  50% {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .poem-preview-card {
    transition: none;
  }

  .part-7 .part-7-glyph.is-breathing {
    animation: none;
    opacity: 1;
  }

  html.part-3-root {
    background-color: var(--part-3-background-end);
  }

  body.part-3 {
    color: var(--part-3-text-end);
  }

  .typewriter-cursor {
    display: none;
  }

  .room-window {
    transition: none;
  }

  .part-4 .part-4-preview {
    transition: none;
  }

  .room-fragment.is-room-typing::after,
  .parallel-fragment.is-parallel-typing::after,
  .part-3 .part-3-fragment.is-part3-parallel-typing::after,
  .part-3 .part-3-second-section.is-part3-concurrent-typing::after,
  .footnote-marker.is-footnote-typing::after,
  .footnote-inline-cursor {
    display: none;
  }

}

@media (max-width: 919px) {
  html.poem-layout-flow {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }
  html.poem-layout-flow:not(.part-4-preview-root) body {
    width: 100%;
    min-height: 100svh;
    margin: 0;
    padding: max(88px, calc(env(safe-area-inset-top) + 70px))
      max(22px, env(safe-area-inset-right))
      max(64px, calc(env(safe-area-inset-bottom) + 40px))
      max(22px, env(safe-area-inset-left));
  }
  :where(html.poem-layout-flow) .work {
    min-height: 0;
  }
  :where(html.poem-layout-flow) .site-nav,
  :where(html.poem-layout-flow) .sound-toggle {
    position: absolute;
    top: max(12px, env(safe-area-inset-top));
  }
  :where(html.poem-layout-flow) .site-nav {
    left: auto;
    right: max(22px, env(safe-area-inset-right));
    font-size: 11px;
  }
  :where(html.poem-layout-flow) .site-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }
  :where(html.poem-layout-flow) .sound-toggle {
    left: max(22px, env(safe-area-inset-left));
    right: auto;
    min-height: 44px;
    max-width: 40%;
    font-size: 10px;
  }
  :where(html.poem-layout-flow) a,
  :where(html.poem-layout-flow) button {
    touch-action: manipulation;
  }
  :where(html.poem-layout-flow) .index-page h1 {
    margin-bottom: 58px;
    font-size: clamp(17px, 4.6vw, 22px);
  }
  :where(html.poem-layout-flow) .map {
    width: min(560px, 100%);
    height: 490px;
    margin-inline: auto;
  }
  :where(html.poem-layout-flow) .map-number::before,
  :where(html.poem-layout-flow) .map-question::before {
    position: absolute;
    inset: -14px -12px;
    content: "";
  }
  :where(html.poem-layout-flow) .map-question {
    position: relative;
  }
  :where(html.poem-layout-flow) .map .map-coda {
    top: 461px !important;
    left: 0 !important;
    width: 100%;
    text-align: center;
  }
  :where(html.poem-layout-flow) .index-page hr {
    width: 100%;
    max-width: 514px;
    margin: 46px auto 0;
  }
  :where(html.poem-layout-flow) .room-window {
    box-sizing: border-box;
    width: min(300px, calc(100vw - 40px));
  }
  :where(html.poem-layout-flow) .room-window-bar {
    height: 40px;
  }
  :where(html.poem-layout-flow) .room-window-close {
    width: 44px;
    height: 40px;
  }
  :where(html.poem-layout-flow) .part-1 .first-movement {
    line-height: 1.75;
  }
  :where(html.poem-layout-flow) .part-1 .wave-scramble-line {
    max-width: min(12em, calc(100vw - 180px));
    overflow: hidden;
  }
  :where(html.poem-layout-flow) .part-1 .second-movement {
    min-height: 0;
    white-space: normal;
  }
  :where(html.poem-layout-flow) .part-1 .movement-row {
    display: block;
    position: relative;
    top: auto;
    width: auto;
    min-height: 24px;
    margin-bottom: 28px;
    text-align: center;
    white-space: normal;
  }
  :where(html.poem-layout-flow) .part-1 .movement-row-wide {
    min-height: 68px;
    text-align: left;
  }
  /* Keep source whitespace as timing cues, but let mobile columns own
     the spacing. An animating caret must never add a line. */
  :where(html.poem-layout-flow) .part-1 .movement-indent,
  :where(html.poem-layout-flow) .part-1 .second-movement > .typewriter-cursor {
    display: none;
  }
  :where(html.poem-layout-flow) .part-1 .movement-lead {
    display: block;
    position: static;
    min-height: 1.55em;
  }
  :where(html.poem-layout-flow) .part-1 .movement-pair {
    display: inline-grid;
    position: relative;
    top: auto;
    left: auto;
    grid-template-columns: max-content max-content;
    align-items: baseline;
    vertical-align: top;
    text-align: left;
    white-space: nowrap;
  }
  :where(html.poem-layout-flow) .part-1 .movement-row-wide .movement-pair {
    display: block;
  }
  :where(html.poem-layout-flow) .part-1 .movement-row-name .movement-pair > .footnote-term {
    min-width: 4em;
    min-height: 1.55em;
  }
  :where(html.poem-layout-flow) .part-1 .movement-row .typewriter-cursor {
    position: absolute;
  }
  :where(html.poem-layout-flow) .part-1 .movement-pair > .typewriter-cursor {
    left: 100%;
    top: .2em;
  }
  :where(html.poem-layout-flow) .part-1 .parallel-group {
    display: inline-grid;
    grid-template-columns: max-content max-content;
    align-items: baseline;
    gap: 10px;
    white-space: normal;
  }
  :where(html.poem-layout-flow) .part-1 .parallel-fragment {
    min-height: 1.6em;
    white-space: nowrap;
  }
  :where(html.poem-layout-flow) .part-1 .movement-row-wide .parallel-group {
    display: grid;
    justify-content: space-between;
    margin-top: 18px;
  }
  :where(html.poem-layout-flow) .part-1 .movement-row-name {
    margin-top: 38px;
    margin-left: 18px;
    text-align: left;
  }
  :where(html.poem-layout-flow) .part-1 .footnote-block {
    position: relative;
    display: block;
    bottom: auto;
    left: 0;
    width: 100%;
    max-width: none;
    margin-top: 70px;
    font-size: 11px;
    line-height: 1.6;
  }
  :where(html.poem-layout-flow) .part-1 .footnote-rule {
    margin-bottom: 26px;
  }
  :where(html.poem-layout-flow) .part-1 .footnote-line {
    min-height: 18px;
  }
  :where(html.poem-layout-flow) .part-1 .footnote-inline-cursor {
    position: absolute;
  }
  /* Keep the block readable: soft-wrap long lines, then zoom the block only
     slightly. Desktop's original coordinates and zoom remain untouched. */
  :where(html.poem-layout-flow) .part-2 .part-2-layout {
    height: var(--mobile-part2-height, 760px);
  }
  :where(html.poem-layout-flow) .part-2 .part-2-first-section {
    width: var(--mobile-block-width, 100%);
    transform-origin: 0 var(--mobile-zoom-origin, 92px);
    transform: scale(calc(1 + (var(--part-2-scale, 1) - 1) * .1));
  }
  :where(html.poem-layout-flow) .part-2 .part-2-first-section > .part-2-line {
    width: var(--mobile-block-width, 100%);
    height: var(--mobile-line-height, auto);
    line-height: 1.55;
    white-space: pre-wrap;
  }
  :where(html.poem-layout-flow) .part-2 .part-2-first-section > .part-2-lips-line {
    width: max-content;
    white-space: pre;
  }
  :where(html.poem-layout-flow) .part-2 .part-2-heading-line {
    width: 100%;
    height: var(--mobile-line-height, auto);
    line-height: 1.55;
    white-space: pre-wrap;
  }
  :where(html.poem-layout-flow) .part-2 .part-2-second-section {
    transform: translateY(var(--mobile-second-shift, -92px));
    font-size: 14px;
  }
  :where(html.poem-layout-flow) .part-2 .part-2-second-section .part-2-line {
    font-size: calc(var(--part2-line-size, 16px) * .875) !important;
  }
  :where(html.poem-layout-flow) .part-2 .part-2-first-section .typewriter-cursor:not(.is-part2-line-start):not(.is-part2-pull-insert) {
    top: auto;
    transform: translateY(.25em);
  }
  :where(html.poem-layout-flow) .part-3 .part-3-layout {
    box-sizing: border-box;
    height: auto;
    padding-top: 740px;
  }
  :where(html.poem-layout-flow) .part-3 .part-3-group {
    left: clamp(0px, var(--part-3-x, var(--sx)), calc(100% - var(--mobile-group-width, 230px) - 8px));
  }
  :where(html.poem-layout-flow) .part-3 .part-3-second-section {
    position: relative;
    top: auto;
    width: 100%;
    min-height: 160px;
    font-size: 12px;
    line-height: 1.65;
  }
  :where(html.poem-layout-flow) .part-5 .work,
  :where(html.poem-layout-flow) .part-7 .work,
  :where(html.poem-layout-flow) .part-question .work {
    line-height: 1.85;
    overflow-wrap: anywhere;
  }
  :where(html.poem-layout-flow) .part-question .pq-stage {
    min-height: calc(100svh - 152px);
  }
  html.poem-layout-flow:not(.part-4-preview-root) .part-4 .part-4-layout {
    height: 450px;
  }
  :where(html.poem-layout-flow) .part-4-trigger::after,
  :where(html.poem-layout-flow) .part-4-lips-trigger::after,
  :where(html.poem-layout-flow) .part-6-quit-command::after,
  :where(html.poem-layout-flow) .pq-closing.is-ready::after {
    position: absolute;
    inset: -12px -8px;
    content: "";
  }
  :where(html.poem-layout-flow) .part-6-quit-command,
  :where(html.poem-layout-flow) .pq-closing.is-ready {
    position: relative;
  }
  :where(html.poem-layout-flow) .part-6 .part-6-terminal {
    height: clamp(520px, calc(100svh - 152px), 700px);
    --vi-copy-top: clamp(170px, 30svh, 210px);
  }
  :where(html.poem-layout-flow) .part-6 .part-6-open-command {
    min-height: 44px;
  }
  :where(html.poem-layout-flow) .part-6 .part-6-vi-copy {
    top: var(--vi-copy-top);
  }
  :where(html.poem-layout-flow) .part-6 .part-6-vi-empty-bottom {
    top: calc(var(--vi-copy-top) + 64px);
    bottom: 108px;
    overflow: hidden;
  }
  :where(html.poem-layout-flow) .part-6 .part-6-vi-status {
    display: flex;
    align-items: baseline;
    gap: .6ch;
    top: auto;
    bottom: 76px;
  }
  :where(html.poem-layout-flow) .part-6-status-rule {
    flex: 1 1 0;
    min-width: 0;
    overflow: hidden;
  }
  :where(html.poem-layout-flow) .part-6-status-rule:last-child {
    text-align: right;
  }
  :where(html.poem-layout-flow) .part-6-status-label {
    flex: 0 0 auto;
    font-size: 12px;
  }
  :where(html.poem-layout-flow) .part-6 .part-6-vi-command {
    top: auto;
    bottom: 32px;
  }
}

@media (min-width: 600px) and (max-width: 919px) {
  html.poem-layout-flow:not(.part-4-preview-root) body {
    padding-inline: max(40px, env(safe-area-inset-left));
  }
}

@media (max-width: 359px) {
  html.poem-layout-flow:not(.part-4-preview-root) body {
    padding-inline: max(18px, env(safe-area-inset-left));
  }
  :where(html.poem-layout-flow) .part-1 .parallel-group {
    gap: 6px;
  }
  :where(html.poem-layout-flow) .part-6 .part-6-open-command {
    font-size: 13px;
  }
}

@media (hover: none) {
  .part-4 .part-4-preview {
    display: none;
  }

  .part-7 .part-7-character {
    -webkit-tap-highlight-color: transparent;
  }
}

/* The two mobile presentations share text and animation, not line wrapping. */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
.layout-mode-control { display: none; }

@media (max-width: 919px) {
  html.poem-layout-original body {
    width: 920px;
    min-height: var(--poem-viewport-height, 100vh);
    margin: 0;
    zoom: var(--poem-page-scale, 1);
  }
  html.poem-layout-original .part-1 .second-movement {
    min-height: max(560px, calc(var(--poem-viewport-height) - 116px));
  }
  html.poem-layout-original .part-1 .footnote-block {
    max-width: calc(var(--poem-viewport-width) - 56px);
  }
  html.poem-layout-original .poem-preview-card {
    max-width: calc(var(--poem-viewport-width) - 24px);
    max-height: calc(var(--poem-viewport-height) - 24px);
  }
  .layout-mode-control {
    display: block;
    position: fixed;
    right: max(12px, env(safe-area-inset-right));
    bottom: max(10px, env(safe-area-inset-bottom));
    z-index: 30;
    padding: 0;
    border: 0;
    color: #858585;
    background: transparent;
    font: 11px/1.4 -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
    white-space: nowrap;
    zoom: calc(1 / var(--poem-page-scale, 1));
  }
  .layout-mode-control button {
    appearance: none;
    min-height: 40px;
    padding: 0 4px;
    border: 0;
    border-radius: 0;
    color: inherit;
    background: transparent;
    font: inherit;
    cursor: pointer;
    touch-action: manipulation;
  }
  .part-3 .layout-mode-control {
    color: inherit;
  }
  .layout-mode-control button:hover {
    text-decoration: underline;
    text-underline-offset: .25em;
  }
  .layout-mode-control button:focus-visible {
    outline: 1px solid currentColor;
    outline-offset: 1px;
  }
}