*,
::before,
::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

button {
  background: transparent;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  text-align: left;
  cursor: pointer;
}

svg {
  display: block;
}

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

.Logo {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  padding: 0 24px;
}
.Logo-Text {
  color: var(--color-font);
  font-family: "Quicksand", BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDGothic", meiryo, sans-serif;
  font-size: 18px;
  font-weight: 400;
  cursor: pointer;
  user-select: none;
}

.ApplicationMenu {
  position: fixed;
  top: 56px;
  left: 0;
  bottom: 0;
  z-index: 9999;
  display: none;
  flex-direction: column;
  width: 300px;
  background: var(--color-panel-background);
  border-radius: 0 12px 0 0;
  box-shadow: 0 0 3px 1px #f7f7f7;
  overflow-y: scroll;
  overscroll-behavior-y: none;
  scrollbar-width: none;
}
.ApplicationMenu[data-open] {
  display: flex;
}
.ApplicationMenu-Section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px 0;
}
.ApplicationMenu-Section + .ApplicationMenu-Section {
  border-top: 1px solid #f9f9f9;
}
.ApplicationMenu-Link {
  padding: 0 24px;
}
.ApplicationMenu-Link-Name {
  display: block;
  font-size: 15px;
  line-height: 23px;
  color: var(--color-font);
  text-decoration: none;
}
.ApplicationMenu-Link-Description {
  font-size: 12px;
  line-height: 20px;
  color: var(--color-muted);
}

.PanelControl {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 56px;
  padding: 0 32px;
}
.PanelControl-Item {
  display: flex;
  align-items: center;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 21px;
  cursor: pointer;
  user-select: none;
}
.PanelControl-Item[data-open] {
  color: var(--color-font);
}

.Panel {
  position: absolute;
  width: max-content;
  background: var(--color-panel-background);
  border-radius: 12px;
  box-shadow: 0 0 3px 1px #f7f7f7;
  overflow: hidden;
}
.Panel[data-hidden] {
  display: none;
}
.Panel[data-edge-left] {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}
.Panel[data-edge-right] {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
.Panel[data-edge-top] {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}
.Panel[data-edge-bottom] {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}
.Panel-Header {
  height: 32px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: grab;
  user-select: none;
  touch-action: none;
}
.Panel-Header:active {
  cursor: grabbing;
}
.Panel-CloseIcon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  color: var(--color-close-icon);
  cursor: pointer;
}
.Panel-CloseIcon:hover {
  color: var(--color-font);
}
.Panel-Header:hover .Panel-CloseIcon {
  visibility: visible;
}
.Panel-Title {
  display: flex;
  align-items: center;
  height: 32px;
  background: var(--color-panel-header-background);
  font-size: 11px;
  line-height: 1.5;
  color: var(--color-font);
  border-bottom-right-radius: 12px;
}
.Panel-Title[data-end] {
  padding: 0 16px;
}
.Panel-Main {
  padding: 0;
}

.ControlPanel {
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 112px);
}
.ControlPanel .Panel-Header {
  flex-shrink: 0;
}
.ControlPanel .Panel-Main {
  flex: 1;
  min-height: 0;
  overflow-y: scroll;
  overscroll-behavior-y: none;
  scrollbar-width: none;
}

.SelectList {
  display: flex;
  flex-direction: column;
}
.SelectList-Item {
  display: flex;
  align-items: center;
  min-width: 160px;
  padding: 6px 10px;
  margin: 4px 8px;
  border-radius: 2px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-font);
  cursor: pointer;
  user-select: none;
}
.SelectList-Item[data-current] {
  background: var(--color-selected);
}

.ControlGroup {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 16px 4px;
}
.ControlGroup-Title {
  font-size: 11px;
  line-height: 1.5;
  color: var(--color-muted);
}

.ControlNote {
  font-size: 12px;
  line-height: 20px;
  color: var(--color-muted);
}

.Ladder {
  display: flex;
  gap: 4px;
}
.Ladder-Rung {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background: var(--color-field-background);
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  user-select: none;
}
.Ladder-Rung[data-current] {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.StepList {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 180px;
}
.StepList-Item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-font);
  cursor: pointer;
  user-select: none;
}
.StepList-Item[data-current] {
  background: var(--color-accent-soft);
}
.StepList-Item-Number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  color: var(--color-muted);
  font-size: 12px;
}
.StepList-Item-Name {
  flex: 1;
}
.StepList-Item[data-current] .StepList-Item-Number {
  color: var(--color-accent);
}

.ActionRow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
}

.ActionButton {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 14px;
  border-radius: 16px;
  background: var(--color-field-background);
  color: var(--color-font);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  user-select: none;
}
.ActionButton[data-on] {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.Slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: none;
  cursor: pointer;
}
.Slider::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--color-field-border);
}
.Slider::-moz-range-track {
  height: 2px;
  background: var(--color-field-border);
}
.Slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--color-accent);
}
.Slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
}

.RightLabelGrid {
  display: grid;
  grid-template-columns: max-content 1fr;
  padding: 8px 12px;
}
.RightLabelGrid-Row {
  display: grid;
  grid-template-columns: subgrid;
  grid-column: 1/-1;
  align-items: center;
  height: 36px;
  column-gap: 16px;
}
.RightLabelGrid-Row[data-clickable] {
  cursor: pointer;
}
.RightLabelGrid-Row-Label {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-font);
  padding: 0 4px;
}

.RoundNumberInput {
  display: flex;
  justify-self: start;
  height: 24px;
  background: var(--color-field-background);
  border-radius: 12px;
  overflow: hidden;
}
.RoundNumberInput-Previous, .RoundNumberInput-Next {
  flex-shrink: 0;
  width: 12px;
  cursor: pointer;
}
.RoundNumberInput-Input {
  flex-shrink: 0;
  width: calc(4ch + 16px);
  background: transparent;
  color: var(--color-font);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}
.RoundNumberInput-Input:focus {
  outline: none;
}

.PlayToggle {
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  padding: 8px;
  color: var(--color-muted);
  cursor: pointer;
}

.Stage {
  position: absolute;
  inset: 0;
  padding: 56px 0 48px;
  overflow-y: scroll;
  overscroll-behavior-y: none;
  scrollbar-width: none;
}
.Stage > * {
  width: 100%;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.Thesis {
  margin-bottom: 14px;
  padding: 0 4px;
  font-size: 15px;
  line-height: 26px;
  color: var(--color-font);
}

.Figure {
  margin-bottom: 12px;
  padding: 10px 8px;
  border-radius: 3px;
  background: #fffbfc;
}
.Figure[data-joined] {
  margin-top: -12px;
  border-radius: 0 0 3px 3px;
}
.Figure-Svg {
  display: block;
  width: 100%;
  height: auto;
}

.Figure-Fade {
  animation: figure-fade 0.32s ease-out both;
}

@keyframes figure-fade {
  from {
    opacity: 0;
    transform: scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.Scope {
  margin-bottom: 12px;
  border-radius: 3px 3px 0 0;
  overflow: hidden;
  background: #fbf3f6;
}
.Scope-Caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 5px 8px 4px;
  font-size: 10.5px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}
.Scope-Caption-Note {
  font-variant-numeric: tabular-nums;
}

.ReadoutGrid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
.ReadoutGrid-Cell {
  padding: 8px 10px 9px;
  border-radius: 3px;
  background: #fffbfc;
}
.ReadoutGrid-Cell-Name {
  margin-bottom: 1px;
  font-size: 10.5px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}
.ReadoutGrid-Cell-Value {
  font-size: 17px;
  line-height: 1.25;
  font-variant-numeric: tabular-nums;
  color: var(--color-font);
}
.ReadoutGrid-Cell-Value small {
  margin-left: 2px;
  font-size: 11px;
  color: var(--color-muted);
}
.ReadoutGrid-Cell[data-kind=fixed] .ReadoutGrid-Cell-Value {
  color: var(--color-muted);
}
.ReadoutGrid-Cell[data-kind=key] .ReadoutGrid-Cell-Value {
  color: var(--color-accent);
}

.ReadoutRow {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding: 8px 14px;
  border-radius: 3px;
  background: #fffbfc;
}
.ReadoutRow-Name {
  font-size: 12px;
  line-height: 20px;
  color: var(--color-muted);
}
.ReadoutRow-Value {
  font-size: 20px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}
.ReadoutRow-Value small {
  margin-left: 3px;
  font-size: 11px;
  color: var(--color-muted);
}

.LevelCard,
.StepCard,
.NoteCard,
.TensionCard,
.GaugeCard {
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 3px;
  background: #fffbfc;
}

.LevelCard-Name {
  margin-bottom: 2px;
  font-size: 19px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--color-font);
}
.LevelCard-Size {
  margin-bottom: 6px;
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--color-muted);
}
.LevelCard-Note {
  font-size: 13.5px;
  line-height: 22px;
  color: var(--color-font);
}

.StepCard-Name {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 19px;
  line-height: 1.5;
  color: var(--color-font);
}
.StepCard-Number {
  color: var(--color-second);
}
.StepCard-Token {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}
.StepCard-Body {
  font-size: 13.5px;
  line-height: 22px;
  color: var(--color-font);
}

.Token {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 2px;
  background: var(--color-field-background);
  font-size: 11px;
  line-height: 1.6;
  color: var(--color-font);
}
.Token[data-pale] {
  color: var(--color-muted);
}

.TensionCard-Head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 2px;
}
.TensionCard-Head-Name {
  font-size: 12px;
  line-height: 20px;
  color: var(--color-muted);
}
.TensionCard-Head-Value {
  font-size: 24px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}
.TensionCard-Head-Value small {
  margin-left: 2px;
  font-size: 12px;
  color: var(--color-muted);
}
.TensionCard-Note {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 21px;
  color: var(--color-muted);
}

.GaugeCard-Head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.GaugeCard-Head-Name {
  font-size: 12px;
  line-height: 20px;
  color: var(--color-muted);
}
.GaugeCard-Head-Value {
  font-size: 22px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}
.GaugeCard-Head-Value small {
  margin-left: 3px;
  font-size: 11px;
  color: var(--color-muted);
}

.Gauge {
  height: 6px;
  margin-top: 5px;
  border-radius: 3px;
  overflow: hidden;
  background: var(--color-field-border);
}
.Gauge-Bar {
  display: block;
  width: 4%;
  height: 100%;
  background: var(--color-accent);
  transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.Chain {
  margin-bottom: 12px;
  padding: 4px 14px 8px;
  border-radius: 3px;
  background: #fffbfc;
  list-style: none;
}
.Chain-Row {
  display: flex;
  gap: 9px;
  padding: 6px 0;
  font-size: 13px;
  line-height: 21px;
  color: var(--color-muted);
  transition: color 0.35s;
}
.Chain-Row-Number {
  flex: 0 0 auto;
  width: 12px;
  color: var(--color-field-border);
  transition: color 0.35s;
}
.Chain[data-live] .Chain-Row {
  color: var(--color-font);
}
.Chain[data-live] .Chain-Row-Number {
  color: var(--color-accent);
}

.NoteCard p {
  font-size: 13.5px;
  line-height: 22px;
  color: var(--color-font);
}

.Legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
  padding: 0 4px;
  font-size: 11px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--color-muted);
}
.Legend-Item {
  display: inline-flex;
  align-items: center;
}
.Legend-Mark {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 5px;
  border-radius: 50%;
}

.CrossBridge-Actin {
  transform-box: view-box;
  transition: transform 0.5s cubic-bezier(0.35, 0, 0.25, 1);
}
.CrossBridge-Actin[data-snap] {
  transition: none;
}

.CrossBridge-Head {
  transform-box: view-box;
  transform-origin: 200px 184px;
  transition: transform 0.5s cubic-bezier(0.35, 0, 0.25, 1);
}

.CrossBridge-Measure[data-hidden] {
  display: none;
}

.Coupling-Calcium {
  transform-box: view-box;
  transition: transform 1.1s cubic-bezier(0.3, 0, 0.3, 1), opacity 0.6s;
}

.Coupling-Impulse[data-hidden] {
  display: none;
}
.Coupling-Impulse path {
  stroke-dasharray: 26 300;
  animation: impulse-run 1.15s linear infinite;
}

@keyframes impulse-run {
  from {
    stroke-dashoffset: 326;
  }
  to {
    stroke-dashoffset: 0;
  }
}
.ThinSwitch-Cover {
  transform-box: view-box;
  transition: transform 0.6s cubic-bezier(0.35, 0, 0.25, 1);
}

.ThinSwitch-Site {
  transition: fill 0.5s;
}

@media (prefers-reduced-motion: reduce) {
  .Stage * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
.UsagePanel {
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 112px);
}
.UsagePanel .Panel-Header {
  flex-shrink: 0;
}
.UsagePanel .Panel-Main {
  flex: 1;
  min-height: 0;
  overflow-y: scroll;
  overscroll-behavior-y: none;
  scrollbar-width: none;
}

.Panel-Text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 260px;
  padding: 16px 18px;
}
.Panel-Text h1 {
  color: var(--color-font);
  font-size: 16px;
  line-height: 24px;
  font-weight: 500;
}
.Panel-Text p {
  color: var(--color-font);
  font-size: 13px;
  line-height: 21px;
}

.LecturePage {
  position: fixed;
  inset: 0;
  --color-font: #1f1f2b;
  --color-muted: #6b6b7a;
  --color-accent: #93214b;
  --color-accent-soft: #fdf1f5;
  --color-second: #4e3a8c;
  --color-field-background: #fafafa;
  color: var(--color-font);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
  overflow-y: scroll;
  overscroll-behavior-y: none;
  scrollbar-width: none;
}
.LecturePage-Main {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

.LectureDocument {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.LectureDocument-Title {
  font-size: 26px;
  line-height: 40px;
  font-weight: 500;
  color: var(--color-font);
}
.LectureDocument-Scene {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.LectureDocument-Heading {
  font-size: 19px;
  line-height: 30px;
  font-weight: 500;
  color: var(--color-font);
}
.LectureDocument-Text {
  font-size: 15px;
  line-height: 28px;
  color: var(--color-font);
}

.LectureFigure {
  padding: 10px 8px;
  border-radius: 3px;
  background: #fffbfc;
}

.LectureLink {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 40px;
  padding: 16px 18px;
  border-radius: 3px;
  background: var(--color-field-background);
}
.LectureLink-Title {
  margin-bottom: 6px;
  font-size: 12px;
  line-height: 20px;
  color: var(--color-muted);
}
.LectureLink-Item {
  padding: 6px 0;
  font-size: 14px;
  line-height: 24px;
  color: var(--color-font);
  text-decoration: none;
}
.LectureLink-Item:hover {
  color: var(--color-accent);
}
.LectureLink-Item[data-active] {
  color: var(--color-accent);
}

.Panel-Text .LectureLink {
  margin-top: 8px;
  padding: 12px 14px;
}
.Panel-Text .LectureLink-Item {
  padding: 4px 0;
  font-size: 13px;
  line-height: 21px;
}

@media (prefers-reduced-motion: reduce) {
  .LecturePage * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
.Muscle {
  position: fixed;
  inset: 0;
  overflow: hidden;
  --color-font: #1f1f2b;
  --color-muted: #6b6b7a;
  --color-panel-background: #ffffff;
  --color-panel-header-background: #fafafa;
  --color-selected: #f7f7f7;
  --color-close-icon: #484848;
  --color-field-border: #f0f0f0;
  --color-field-background: #fafafa;
  --color-accent: #93214b;
  --color-accent-soft: #fdf1f5;
  --color-second: #4e3a8c;
  color: var(--color-font);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}