.kana-page {
  background: var(--cream);
}

.kana-page button,
.kana-page input {
  font: inherit;
}

.kana-page button,
.kana-page label {
  -webkit-tap-highlight-color: transparent;
}

.kana-hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 68px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(circle at 82% 24%, rgba(245, 67, 67, 0.16), transparent 24%),
    linear-gradient(135deg, var(--white), var(--pink));
}

.kana-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
}

.kana-hero h1 {
  max-width: none;
  font-size: clamp(3.3rem, 7vw, 6rem);
}

.kana-lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.kana-hero-mark {
  display: grid;
  width: 190px;
  aspect-ratio: 1;
  place-items: center;
  color: var(--white);
  border: 10px solid rgba(255, 255, 255, 0.72);
  border-radius: 42px;
  background: var(--coral);
  box-shadow: 0 24px 55px rgba(138, 31, 45, 0.22);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: 7.2rem;
  font-weight: 700;
  line-height: 1;
  transform: rotate(4deg);
}

.kana-main {
  padding: 64px 0 86px;
}

.kana-shell {
  max-width: 1040px;
}

.test-panel {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: var(--white);
  box-shadow: 0 24px 64px rgba(34, 37, 42, 0.1);
}

.test-panel[hidden] {
  display: none;
}

.config-panel,
.results-panel {
  padding: 46px;
}

.panel-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.75fr);
  align-items: end;
  gap: 54px;
  padding-bottom: 38px;
  border-bottom: 1px solid var(--border);
}

.panel-heading h2,
.results-panel h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.1rem);
}

.panel-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.step-label,
.review-kicker {
  margin: 0 0 9px;
  color: var(--coral);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.config-group {
  margin: 0;
  padding: 34px 0;
  border: 0;
  border-bottom: 1px solid var(--border);
}

.config-group legend {
  padding: 0;
  color: var(--charcoal);
  font-size: 1rem;
  font-weight: 900;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.choice-row label {
  cursor: pointer;
}

.choice-row input,
.row-option input,
.extra-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.choice-row span {
  display: grid;
  min-width: 86px;
  min-height: 48px;
  place-items: center;
  padding: 8px 20px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: var(--cream);
  font-weight: 900;
  transition: 0.16s ease;
}

.choice-row input:checked + span,
.choice-row input:focus-visible + span {
  color: var(--white);
  border-color: var(--coral);
  background: var(--coral);
  box-shadow: 0 8px 20px rgba(245, 67, 67, 0.2);
}

.legend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.mini-actions {
  display: flex;
  gap: 14px;
}

.mini-actions button,
.quiet-button {
  padding: 0;
  color: var(--burgundy);
  border: 0;
  background: transparent;
  font-size: 0.78rem;
  font-weight: 850;
  text-decoration: underline;
  text-decoration-color: rgba(138, 31, 45, 0.3);
  text-underline-offset: 4px;
  cursor: pointer;
}

.row-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.row-option {
  position: relative;
  min-width: 0;
  cursor: pointer;
}

.row-option > span {
  display: grid;
  min-height: 72px;
  align-content: center;
  justify-items: center;
  gap: 2px;
  padding: 10px 6px;
  border: 1.5px solid var(--border);
  border-radius: 16px;
  background: var(--cream);
  transition: 0.16s ease;
}

.row-option strong {
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: 1.3rem;
  line-height: 1.15;
}

.row-option small {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.row-option input:checked + span {
  color: var(--burgundy);
  border-color: rgba(245, 67, 67, 0.58);
  background: var(--pink);
  box-shadow: inset 0 0 0 1px rgba(245, 67, 67, 0.08);
}

.row-option input:focus-visible + span,
.extra-option input:focus-visible + span,
.answer-option:focus-visible,
.button:focus-visible,
.outline-button:focus-visible,
.quiet-button:focus-visible,
.mini-actions button:focus-visible {
  outline: 3px solid rgba(245, 67, 67, 0.34);
  outline-offset: 3px;
}

.extra-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.extra-option {
  cursor: pointer;
}

.extra-option > span {
  position: relative;
  display: grid;
  min-height: 82px;
  align-content: center;
  gap: 3px;
  padding: 15px 18px 15px 52px;
  border: 1.5px solid var(--border);
  border-radius: 17px;
  background: var(--cream);
  transition: 0.16s ease;
}

.extra-option > span::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  width: 20px;
  height: 20px;
  border: 2px solid #c9bdb4;
  border-radius: 6px;
  background: var(--white);
  transform: translateY(-50%);
}

.extra-option > span::after {
  content: "✓";
  position: absolute;
  left: 23px;
  top: 50%;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 950;
  opacity: 0;
  transform: translateY(-52%);
}

.extra-option small {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.38;
}

.extra-option-wide {
  grid-column: 1 / -1;
}

.extra-option input:checked + span {
  border-color: rgba(245, 67, 67, 0.58);
  background: var(--pink);
}

.extra-option input:checked + span::before {
  border-color: var(--coral);
  background: var(--coral);
}

.extra-option input:checked + span::after {
  opacity: 1;
}

.config-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 14px 24px;
  padding-top: 30px;
}

.config-footer > p {
  margin: 0 auto 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.config-footer .form-error {
  flex-basis: 100%;
  order: 3;
  margin: 0;
  padding: 10px 14px;
  color: #8b1825;
  border-radius: 10px;
  background: #fff0f1;
  font-weight: 800;
}

.start-button {
  border: 0;
  cursor: pointer;
}

.question-panel {
  padding: 32px 40px 38px;
}

.question-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.question-topline p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.progress-track {
  height: 8px;
  margin-top: 20px;
  overflow: hidden;
  border-radius: 999px;
  background: #eee6df;
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--coral);
  transition: width 0.25s ease;
}

.question-card {
  max-width: 720px;
  margin: 0 auto;
  padding: 36px 0 4px;
  text-align: center;
}

.question-prompt {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 850;
}

.kana-character {
  min-height: 196px;
  display: grid;
  place-items: center;
  color: var(--charcoal);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: clamp(6.5rem, 15vw, 9.5rem);
  font-weight: 650;
  line-height: 1;
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.answer-option {
  position: relative;
  min-height: 66px;
  padding: 12px 18px;
  color: var(--charcoal);
  border: 2px solid var(--border);
  border-radius: 18px;
  background: var(--cream);
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.13s ease, border-color 0.13s ease, background 0.13s ease;
}

.answer-option::before {
  content: attr(data-key);
  position: absolute;
  left: 14px;
  top: 50%;
  display: grid;
  width: 26px;
  aspect-ratio: 1;
  place-items: center;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--white);
  font-size: 0.68rem;
  transform: translateY(-50%);
}

.answer-option:not(:disabled):hover {
  border-color: rgba(245, 67, 67, 0.56);
  transform: translateY(-2px);
}

.answer-option:disabled {
  cursor: default;
}

.answer-option.is-correct {
  color: #175c3e;
  border-color: #2fa66d;
  background: #e6f7ee;
  box-shadow: 0 8px 22px rgba(47, 166, 109, 0.12);
}

.answer-option.is-wrong {
  color: #8b1825;
  border-color: #df4052;
  background: #ffeaed;
  box-shadow: 0 8px 22px rgba(223, 64, 82, 0.1);
}

.answer-feedback {
  min-height: 31px;
  margin: 18px 0 10px;
  font-weight: 900;
}

.answer-feedback.is-correct {
  color: #18724a;
}

.answer-feedback.is-wrong {
  color: #a31d2c;
}

.next-button {
  min-width: 160px;
  margin: 0 auto;
  border: 0;
  cursor: pointer;
}

.next-button[hidden],
.outline-button[hidden] {
  display: none;
}

.keyboard-hint {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
  text-align: center;
}

.score-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 38px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.score-card p:not(.step-label) {
  margin: 10px 0 0;
  color: var(--muted);
}

.score-ring {
  display: grid;
  width: 170px;
  aspect-ratio: 1;
  place-content: center;
  border-radius: 50%;
  background: conic-gradient(var(--coral) var(--score), #eee6df 0);
  box-shadow: 0 18px 38px rgba(34, 37, 42, 0.1);
  text-align: center;
}

.score-ring::before {
  content: "";
  position: absolute;
}

.score-ring strong,
.score-ring span {
  position: relative;
  z-index: 1;
}

.score-ring strong {
  color: var(--charcoal);
  font-size: 2.2rem;
  line-height: 1;
}

.score-ring span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.score-ring {
  position: relative;
}

.score-ring::after {
  content: "";
  position: absolute;
  inset: 11px;
  border-radius: 50%;
  background: var(--white);
}

.score-fraction {
  font-weight: 900;
}

.review-section {
  margin-top: 34px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--cream);
}

.wrong-review {
  border-color: #efc8cd;
  background: #fff7f8;
}

.review-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.review-heading h3 {
  margin: 0;
}

.outline-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  color: var(--burgundy);
  border: 1.5px solid rgba(138, 31, 45, 0.34);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.8rem;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.all-correct-message {
  grid-column: 1 / -1;
  margin: 0;
  color: #175c3e;
  font-weight: 850;
}

.review-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 13px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--white);
}

.review-kana {
  display: grid;
  width: 48px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 11px;
  background: var(--pink);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: 1.65rem;
  font-weight: 700;
}

.review-answer {
  display: grid;
  min-width: 0;
  line-height: 1.25;
}

.review-answer strong {
  font-size: 0.86rem;
}

.review-answer small {
  margin-top: 5px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.correct-review summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-weight: 900;
  cursor: pointer;
}

.correct-review summary strong {
  display: grid;
  min-width: 34px;
  height: 30px;
  place-items: center;
  color: #175c3e;
  border-radius: 999px;
  background: #e6f7ee;
  font-size: 0.76rem;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.result-actions button {
  border: 0;
  cursor: pointer;
}

.kana-note {
  padding: 0 0 82px;
}

.kana-note-inner {
  max-width: 1040px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  padding: 24px 28px;
  color: rgba(255, 255, 255, 0.72);
  border-radius: 20px;
  background: var(--charcoal);
}

.kana-note-inner strong {
  color: var(--white);
}

.kana-note-inner p {
  margin: 0;
  font-size: 0.84rem;
}

@media (max-width: 760px) {
  .kana-hero {
    padding: 54px 0 48px;
  }

  .kana-hero-inner {
    grid-template-columns: 1fr auto;
    gap: 18px;
  }

  .kana-hero-mark {
    width: 100px;
    border-width: 6px;
    border-radius: 24px;
    font-size: 4rem;
  }

  .kana-main {
    padding: 34px 0 62px;
  }

  .config-panel,
  .results-panel {
    padding: 28px 22px;
  }

  .panel-heading {
    grid-template-columns: 1fr;
    gap: 15px;
    padding-bottom: 28px;
  }

  .row-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .extra-option-wide {
    grid-column: auto;
  }

  .question-panel {
    padding: 24px 18px 30px;
  }

  .kana-character {
    min-height: 170px;
  }

  .score-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .review-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .kana-note-inner {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (max-width: 480px) {
  .kana-page .header-inner > .button-small {
    max-width: 124px;
  }

  .kana-hero-inner {
    grid-template-columns: 1fr;
  }

  .kana-hero-mark {
    display: none;
  }

  .kana-hero h1 {
    font-size: 3rem;
  }

  .legend-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .choice-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .choice-row span {
    min-width: 0;
  }

  .answer-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .kana-character {
    min-height: 150px;
    font-size: 6.8rem;
  }

  .review-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}