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

.kana-body [hidden] {
  display: none !important;
}

.kana-main {
  padding: 28px 0 72px;
}

.kana-wrap {
  max-width: 880px;
}

.kana-wrap > h1 {
  font-size: clamp(28px, 1.6vw + 20px, 38px);
  margin-bottom: 8px;
}

.kana-wrap .back {
  margin-bottom: 14px;
}

.kana-lead {
  margin: 0 0 6px;
  color: var(--text-muted);
  max-width: 38em;
}

.kana-hide,
.kana-text-btn {
  flex: 0 0 auto;
  margin: 0;
  padding: 4px 8px;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.kana-text-btn:hover {
  color: var(--text);
}

.kana-toolbar {
  position: relative;
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 16px;
}

.kana-toolbar-end {
  margin-left: auto;
  display: flex;
  gap: 4px;
}

.kana-settings-wrap {
  position: relative;
}

.kana-seg {
  display: inline-flex;
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
}

.kana-seg button,
.kana-seg a {
  margin: 0;
  padding: 7px 12px;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  font: 500 14px/1.2 var(--sans);
  text-decoration: none;
  cursor: pointer;
}

.kana-seg > * + * {
  border-left: 1px solid var(--rule);
}

.kana-seg button[aria-pressed="true"],
.kana-seg a[aria-current="page"] {
  color: var(--text);
  background: var(--surface);
}

.kana-seg a:hover {
  color: var(--text);
  text-decoration: none;
}

.kana-card {
  position: relative;
  padding: 0 0 14px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 14px;
  overflow: hidden;
}

.kana-card.is-type .kana-choose-wrap,
.kana-card.is-choose .kana-stream-wrap {
  display: none !important;
}

.kana-card.is-correct {
  box-shadow: inset 0 0 0 1px rgba(232, 229, 223, 0.28);
}

.kana-card.is-wrong {
  box-shadow: inset 0 0 0 1px rgba(195, 69, 54, 0.7);
}

.kana-timer {
  height: 2px;
  margin: 0;
  background: var(--rule-soft);
  overflow: hidden;
}

.kana-timer-bar {
  height: 100%;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(1);
  background: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .kana-timer-bar {
    transition: none;
  }
}

.kana-stream {
  display: flex;
  align-items: baseline;
  gap: 0.12em;
  overflow: hidden;
  padding: 28px 22px 10px;
  font-family: "Hiragino Mincho ProN", "Hiragino Sans", "Yu Mincho", "Noto Serif JP", var(--serif);
  font-size: clamp(40px, 7vw, 58px);
  line-height: 1.15;
  letter-spacing: 0.02em;
  background: #2a2e35;
}

.kana-stream-item {
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  color: rgba(232, 229, 223, 0.28);
  pointer-events: none;
}

.kana-stream-item.is-now {
  color: #f4f1ea;
}

.kana-stream-item.is-done,
.kana-stream-item.is-now[data-speak] {
  color: rgba(232, 229, 223, 0.55);
  pointer-events: auto;
  cursor: pointer;
}

.kana-stream-item.is-now[data-speak] {
  color: #f4f1ea;
}

.kana-stream-item.is-done:hover,
.kana-stream-item.is-now[data-speak]:hover {
  color: #fff;
}

.kana-type {
  margin: 0;
  padding: 0 22px 8px;
  background: #2a2e35;
}

.kana-caret {
  display: block;
  width: 100%;
  margin: 0;
  padding: 10px 2px 14px;
  color: var(--text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(232, 229, 223, 0.22);
  border-radius: 0;
  font: 18px/1.3 var(--sans);
  caret-color: #f4f1ea;
}

.kana-caret:focus {
  outline: none;
  border-bottom-color: rgba(232, 229, 223, 0.55);
}

.kana-choose-wrap {
  padding: 22px 22px 8px;
  text-align: center;
}

.kana-glyph {
  margin: 8px 0 18px;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: "Hiragino Mincho ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans CJK JP", "Noto Sans JP", var(--serif);
  font-size: clamp(84px, 18vw, 128px);
  line-height: 1.05;
  color: var(--text);
  cursor: default;
}

.kana-glyph[data-speak] {
  cursor: pointer;
}

.kana-reveal {
  margin: 8px 22px 0;
  font-size: 20px;
  color: var(--accent-text);
}

.kana-status {
  min-height: 1.3em;
  margin: 4px 22px 0;
  color: var(--text-muted);
  font-size: 14px;
}

.kana-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0 auto 8px;
  max-width: 360px;
}

.kana-choice {
  margin: 0;
  padding: 12px 10px;
  color: var(--text);
  background: var(--page-bg);
  border: 1px solid var(--rule);
  border-radius: 8px;
  font: 500 16px/1.2 var(--sans);
  cursor: pointer;
}

.kana-choice:hover:not(:disabled) {
  border-color: rgba(232, 229, 223, 0.3);
}

.kana-choice.is-right {
  border-color: rgba(232, 229, 223, 0.45);
}

.kana-choice.is-miss {
  border-color: var(--accent);
  color: var(--accent-text);
}

.kana-score {
  margin: 10px 22px 4px;
  color: var(--text-muted);
  font-size: 13px;
}

.kana-settings {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 40;
  width: min(calc(100vw - 40px), 340px);
  max-height: min(70vh, 560px);
  overflow: auto;
  margin: 0;
  padding: 16px 18px 18px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.kana-settings-title {
  margin: 0 0 10px;
  font-weight: 500;
}

.kana-speech-note,
.kana-field,
.kana-check {
  display: block;
  margin: 0 0 10px;
  color: var(--text-muted);
  font-size: 14px;
}

.kana-field input,
.kana-field select {
  display: block;
  margin-top: 4px;
  width: min(100%, 240px);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 6px 8px;
  font: inherit;
}

.kana-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.kana-fieldset {
  margin: 14px 0 0;
  padding: 0;
  border: 0;
}

.kana-fieldset legend {
  padding: 0;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.kana-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.kana-chip {
  margin: 0;
  padding: 5px 9px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font: 500 13px/1 var(--sans);
  cursor: pointer;
}

.kana-chip[aria-pressed="true"] {
  color: var(--text);
  border-color: rgba(232, 229, 223, 0.35);
  background: var(--surface);
}

.kana-promo {
  margin: 22px 0 8px;
}

.kana-promo[hidden] {
  display: none;
}

.kana-promise {
  margin: 0 0 22px;
  color: var(--text-muted);
  font-size: 14px;
}

.kana-house-row {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 10px;
}

.kana-house-card {
  display: block;
  flex: 1 1 auto;
  max-width: 38em;
  padding: 16px 18px 16px 16px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-left: 2px solid var(--accent);
  border-radius: 12px;
}

.kana-house-card .button {
  margin-top: 14px;
}

.kana-hide {
  flex: 0 0 auto;
  margin: 10px 0 0;
  padding: 4px 8px;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.kana-hide:hover {
  color: var(--text);
}

.kana-house-kicker {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.kana-house-title {
  margin: 0 0 10px;
  color: var(--text);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.25;
}

.kana-house-scene,
.kana-house-gap {
  margin: 0 0 8px;
  font-size: 15px;
}

.kana-house-payoff {
  margin: 0;
  color: var(--text);
  font-size: 15px;
}

.marketing-modal-card.kana-prompt {
  width: min(100%, 440px);
  padding: 22px 22px 20px 20px;
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-left: 2px solid var(--accent);
}

.marketing-modal-card.kana-prompt h2 {
  margin: 0 0 10px;
  font: 400 22px/1.25 var(--serif);
  color: var(--text);
}

.marketing-modal-card.kana-prompt p {
  margin: 0 0 8px;
}

.marketing-modal-card.kana-prompt .kana-house-payoff {
  margin: 0 0 20px;
}

.marketing-modal-card.kana-prompt .marketing-modal-actions {
  margin-top: 4px;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: nowrap;
}

.kana-copy {
  max-width: 40em;
  margin-top: 40px;
}

.kana-copy h2 {
  margin-bottom: 10px;
}

.kana-copy h3 {
  font: 500 17px/1.4 var(--sans);
  margin: 22px 0 6px;
  color: var(--text);
}

.kana-copy p {
  color: var(--text-muted);
}

.kana-charts {
  margin-top: 40px;
}

.kana-charts > h2:first-child {
  margin-top: 0;
}

.kana-charts h2 {
  margin: 28px 0 8px;
}

.kana-charts h3 {
  font: 500 15px/1.3 var(--sans);
  margin: 16px 0 8px;
  color: var(--text-muted);
}

.kana-table-wrap {
  overflow-x: auto;
  margin-bottom: 8px;
}

.kana-table-wrap table {
  border-collapse: collapse;
  width: 100%;
  min-width: 420px;
}

.kana-table-wrap th,
.kana-table-wrap td {
  padding: 3px;
  text-align: center;
  vertical-align: middle;
  font-weight: 400;
  color: var(--text-muted);
  font-size: 12px;
}

.kana-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  margin: 0;
  padding: 6px 4px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  cursor: default;
}

.kana-cell.is-heard {
  cursor: pointer;
}

.kana-cell.is-heard:hover {
  border-color: var(--rule);
}

.kana-cell-glyph {
  font-family: "Hiragino Mincho ProN", "Hiragino Sans", "Yu Mincho", "Noto Serif JP", var(--serif);
  font-size: 22px;
  line-height: 1.1;
}

.kana-cell-roma {
  font-size: 11px;
  color: var(--text-muted);
}

@media (max-width: 560px) {
  .kana-toolbar-end {
    margin-left: 0;
  }

  .kana-house-row {
    flex-wrap: wrap;
  }
}