.difficulty-tabs{min-inline-size:0;border:0;border-block-end:var(--rule-hair) solid var(--color-rule);width:100%;color:var(--color-ink);background-color:#0000;border-radius:0;grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;gap:0;margin:0;padding:0;display:grid}.game-toolbar{gap:var(--space-sm);min-width:0;margin-block-end:var(--space-sm);display:grid}.difficulty-tabs button{padding-inline:var(--space-2xs);border:0;border-block-end:var(--rule-medium) solid transparent;color:var(--color-neutral);font-size:var(--text-xs);background-color:#0000;border-radius:0;font-weight:620}.difficulty-tabs button[data-active=true]{border-block-end-color:var(--color-accent);color:var(--color-accent);background-color:#0000}.legendary-puzzle{gap:var(--space-xs);min-width:0;display:grid}.legendary-puzzle select{min-width:0;max-width:100%;min-height:var(--control-height);padding-inline:var(--space-sm);border:var(--rule-hair) solid 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a,.technique-link{overflow-wrap:anywhere;align-items:center;gap:var(--space-2xs);min-width:0;font-weight:650;display:inline-flex}.primary-button,.quiet-button{justify-content:center;align-items:center;gap:var(--space-xs);padding-inline:var(--space-md);font-weight:650;display:inline-flex}.primary-button{border-color:var(--color-accent-fill);background-color:var(--color-accent-fill);color:var(--color-accent-ink)}.quiet-button{color:var(--color-ink-soft);background-color:#0000;border-color:#0000}.solution-player__explanation{gap:var(--space-sm);min-width:0;color:var(--color-ink);font-size:var(--text-sm);background-color:#0000;border-radius:0;grid-template-columns:minmax(0,1fr);padding-block-end:var(--space-sm);display:grid}.solution-player__reason{display:block}.solution-player__reason>p{color:var(--color-ink-soft);margin:0}.explanation-paragraph{text-wrap:pretty;white-space:pre-line;margin:0;line-height:1.6}.explanation-paragraph+:is(.explanation-paragraph,.explanation-counts){margin-block-start:var(--space-sm)}:lang(ja) 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li[data-reached=false]>.playback-timeline__marker{border-color:var(--color-rule);background:var(--color-rule)}.playback-timeline__points li[data-reached=false]>.playback-timeline__marker[data-icon],.playback-timeline__points li[data-reached=false]>.playback-timeline__marker[data-glyph]{color:var(--color-muted)}.playback-timeline__points li[data-reached=false] .playback-timeline__glyph-token{background:var(--color-surface-raised)}.playback-timeline__points li[data-reached=true]>.playback-timeline__marker[data-icon=candidates],.playback-timeline__points li[data-reached=true]>.playback-timeline__marker:is([data-icon=single],[data-icon=wing]){border-color:var(--color-accent);background:var(--color-surface-raised);color:var(--color-accent)}.playback-timeline__points 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li[data-reached=true]>.playback-timeline__marker[data-icon=contradiction]{border-color:var(--color-danger);background:var(--color-danger-surface);color:var(--color-danger)}.playback-timeline__points li[data-reached=true]>.playback-timeline__marker[data-icon=placement]{border-color:var(--color-accent-2);background:var(--color-accent-2);color:var(--color-surface-raised)}.playback-timeline__points li[data-reached=true]>.playback-timeline__marker[data-icon=elimination]{border-color:var(--color-danger);background:var(--color-danger-surface);color:var(--color-danger)}.playback-timeline__points li[data-reached=true]>.playback-timeline__marker[data-outcome=placement]{border-color:var(--color-accent-2);background:var(--color-accent-2);color:var(--color-surface-raised)}.playback-timeline__points li[data-reached=true]>.playback-timeline__marker[data-outcome=elimination]{border-color:var(--color-danger);background:var(--color-danger-surface);color:var(--color-danger)}.playback-timeline__points 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.sudoku-cell[data-error=true]{background-color:var(--color-danger-surface);color:var(--color-danger)}@media (hover:hover) and (pointer:fine){.quiet-button:hover{background-color:var(--color-paper-3);color:var(--color-ink)}.sudoku-cell[role=gridcell]:hover{background-color:var(--color-selection);color:var(--color-ink)}}@media (min-width:40rem){.difficulty-tabs button,.play-stats dt,.play-stats dd{font-size:var(--text-sm)}.number-deck__utilities,.number-deck__digits{gap:var(--space-xs)}}@media (pointer:coarse){.tool-button,.digit-button,.difficulty-tabs button{min-height:var(--control-height)}}.board-import{gap:var(--space-lg);grid-column:1/-1;width:100%;min-width:0;display:grid}.board-import__board-column,.board-import__sidebar{min-width:0}.board-import__board-column{gap:var(--space-sm);align-content:start;display:grid}@media 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