body.crossword-page {
  --crossword-ink: #17242d;
  --crossword-muted: #53636d;
  --crossword-paper: #f7f3ea;
  --crossword-panel: #ffffff;
  --crossword-line: #26343d;
  --crossword-soft-line: #d4cec2;
  --crossword-accent: #c84d2b;
  --crossword-accent-dark: #96371f;
  --crossword-focus: #f8d35a;
  --crossword-cell: #fffdf8;
  --crossword-good: #dceee7;
  --crossword-bad: #ffd9d6;
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #f7f3ea 0%, #e8f1ef 100%);
  color: var(--crossword-ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
}

.crossword-page *,
.crossword-page *::before,
.crossword-page *::after {
  box-sizing: border-box;
}

.crossword-page button,
.crossword-page a {
  font: inherit;
}

.crossword-page button {
  color: inherit;
  touch-action: manipulation;
}

.crossword-app {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 14px max(22px, env(safe-area-inset-bottom));
}

.crossword-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.crossword-back-link,
.crossword-level-badge {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--crossword-line);
  border-radius: 8px;
  background: var(--crossword-panel);
  color: var(--crossword-ink);
  padding: 8px 10px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 900;
  white-space: nowrap;
}

.crossword-title-block {
  min-width: 0;
}

.crossword-kicker {
  margin: 0 0 2px;
  color: var(--crossword-accent-dark);
  font-size: 0.92rem;
  font-weight: 900;
}

.crossword-page h1,
.crossword-page h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.18;
}

.crossword-page h1 {
  font-size: clamp(1.45rem, 6vw, 2.35rem);
}

.crossword-page h2 {
  font-size: 1.22rem;
}

.crossword-start-panel,
.crossword-status,
.crossword-clues,
.crossword-keyboard,
.crossword-common-actions {
  border: 2px solid var(--crossword-soft-line);
  border-radius: 8px;
  background: var(--crossword-panel);
  padding: 12px;
}

.crossword-start-panel {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.crossword-start-panel p {
  margin: 6px 0 0;
  color: var(--crossword-muted);
  font-size: 1rem;
  line-height: 1.55;
}

.crossword-status {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.crossword-status-title,
.crossword-message {
  margin: 0;
}

.crossword-status-title {
  font-size: 1.08rem;
  font-weight: 900;
}

.crossword-message {
  color: var(--crossword-muted);
  font-size: 1rem;
  line-height: 1.5;
}

.crossword-message.is-error {
  color: #a72f22;
  font-weight: 900;
}

.crossword-stats {
  display: grid;
  gap: 6px;
  min-width: 104px;
  font-weight: 900;
  text-align: right;
}

.crossword-layout {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(280px, 380px);
  gap: 14px;
  align-items: start;
}

.crossword-board-wrap {
  display: grid;
  place-items: center;
}

.crossword-board {
  --board-size: 5;
  display: grid;
  grid-template-columns: repeat(var(--board-size), 1fr);
  gap: 4px;
  width: min(100%, 620px);
  aspect-ratio: 1;
  border: 3px solid var(--crossword-line);
  border-radius: 8px;
  background: var(--crossword-line);
  padding: 5px;
}

.crossword-cell {
  display: grid;
  place-items: center;
  width: 100%;
  min-width: 0;
  border: 0;
  border-radius: 6px;
  background: var(--crossword-cell);
  box-shadow: inset 0 0 0 2px rgba(38, 52, 61, 0.18);
  color: var(--crossword-ink);
  font-size: clamp(1.1rem, calc(12vw / var(--board-size) * 4), 2.4rem);
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.crossword-cell.is-block {
  background: var(--crossword-line);
  box-shadow: none;
}

.crossword-cell.is-active-word {
  background: #fff4bf;
}

.crossword-cell.is-active {
  background: var(--crossword-focus);
  outline: 4px solid var(--crossword-accent);
  outline-offset: -4px;
}

.crossword-cell.is-correct {
  background: var(--crossword-good);
  color: #12543e;
}

.crossword-cell.is-wrong {
  background: var(--crossword-bad);
  color: #8d241d;
}

.crossword-clues {
  display: grid;
  gap: 10px;
}

.crossword-tabs,
.crossword-edit-row,
.crossword-common-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.crossword-tabs {
  grid-template-columns: 1fr 1fr;
}

.crossword-tab,
.crossword-primary,
.crossword-secondary,
.crossword-kana-key {
  min-height: 52px;
  border-radius: 8px;
  border: 2px solid var(--crossword-line);
  padding: 8px 10px;
  font-weight: 900;
}

.crossword-primary {
  background: var(--crossword-accent);
  color: #ffffff;
}

.crossword-secondary,
.crossword-tab,
.crossword-kana-key {
  background: #ffffff;
  color: var(--crossword-ink);
}

.crossword-tab.is-active {
  border-color: var(--crossword-accent-dark);
  background: #fbe1d7;
  color: var(--crossword-accent-dark);
}

.crossword-clue-list {
  display: grid;
  gap: 8px;
  max-height: 380px;
  overflow: auto;
}

.crossword-clue-button {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 58px;
  border: 2px solid #d2d8d8;
  border-radius: 8px;
  background: #ffffff;
  padding: 10px;
  text-align: left;
}

.crossword-clue-button span {
  min-width: 42px;
  color: var(--crossword-accent-dark);
  font-weight: 900;
}

.crossword-clue-button strong {
  font-size: 1rem;
  line-height: 1.35;
}

.crossword-clue-button em {
  color: var(--crossword-muted);
  font-size: 0.92rem;
  font-style: normal;
  font-weight: 800;
}

.crossword-clue-button.is-selected {
  border-color: var(--crossword-accent);
  background: #fff4bf;
}

.crossword-clue-button.is-done {
  border-color: #1f8f64;
  background: var(--crossword-good);
}

.crossword-keyboard {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.crossword-kana-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 7px;
}

.crossword-kana-key {
  min-height: 48px;
  padding: 6px;
  font-size: 1.16rem;
}

.crossword-common-actions {
  margin-top: 12px;
}

.crossword-action-link,
.crossword-modal-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.crossword-wide {
  width: 100%;
}

.crossword-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(23, 36, 45, 0.58);
}

.crossword-modal[hidden] {
  display: none;
}

.crossword-modal-box {
  display: grid;
  gap: 12px;
  width: min(440px, 100%);
  border: 3px solid var(--crossword-line);
  border-radius: 8px;
  background: var(--crossword-panel);
  padding: 18px;
}

.crossword-result-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 0;
}

.crossword-result-list div {
  border: 2px solid var(--crossword-soft-line);
  border-radius: 8px;
  background: var(--crossword-paper);
  padding: 10px;
}

.crossword-result-list dt {
  color: var(--crossword-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.crossword-result-list dd {
  margin: 4px 0 0;
  font-size: 1.18rem;
  font-weight: 900;
}

.crossword-clear-message {
  margin: 0;
  color: var(--crossword-muted);
  line-height: 1.5;
}

@media (max-width: 860px) {
  .crossword-app {
    padding-left: 10px;
    padding-right: 10px;
  }

  .crossword-header {
    grid-template-columns: 1fr auto;
  }

  .crossword-back-link {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .crossword-layout {
    grid-template-columns: 1fr;
  }

  .crossword-clue-list {
    max-height: 260px;
  }

  .crossword-kana-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 430px) {
  .crossword-header,
  .crossword-status {
    grid-template-columns: 1fr;
  }

  .crossword-level-badge {
    justify-self: start;
  }

  .crossword-stats {
    grid-template-columns: auto auto;
    justify-content: space-between;
    text-align: left;
  }

  .crossword-edit-row,
  .crossword-common-actions {
    grid-template-columns: 1fr;
  }

  .crossword-kana-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .crossword-kana-key {
    min-height: 46px;
  }

  .crossword-clue-button {
    grid-template-columns: auto 1fr;
  }

  .crossword-clue-button em {
    grid-column: 2;
  }

  .crossword-result-list {
    grid-template-columns: 1fr;
  }
}