:root{--sequence-ink:#193634;--sequence-muted:#627286;--sequence-green:#237a5e;--sequence-green-dark:#155d46;--sequence-stage:#f7f7f4;--sequence-tile:#ffffff;--sequence-page-space:64px;--sequence-panel-space:32px;--sequence-control-inset:16px}#sequence-test{scroll-margin-top:128px}.sequence-page{width:min(1200px,100%);min-width:0;margin:32px 0;padding:var(--sequence-page-space);border-radius:32px;background:#fff}.sequence-container{width:100%;min-width:0;padding-inline:0}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;border:0;clip:rect(0 0 0 0);white-space:nowrap}[hidden]{display:none!important}.sequence-intro{width:100%;max-width:720px;min-width:0;margin:0 auto 28px;text-align:center}.sequence-intro-eyebrow{margin-bottom:8px;color:var(--sequence-green);font-size:12px;font-weight:700;letter-spacing:.14em}.sequence-intro h2{margin-bottom:12px;color:var(--sequence-ink);font-size:clamp(30px, 4vw, 42px);line-height:1.12;letter-spacing:-.035em}.sequence-intro>p:last-child{color:#475569;font-size:18px;line-height:1.6}.sequence-mode-picker{width:min(100%,304px);min-height:52px;margin:0 auto;padding:4px;border:0;border-radius:999px;background-color:#f8f8f8;display:flex;isolation:isolate;position:relative}.sequence-mode-picker::before{width:calc((100% - 12px)/ 2);border-radius:999px;background:#fff;content:"";position:absolute;inset:4px auto 4px 4px;z-index:0;transition:transform 220ms cubic-bezier(.22, 1, .36, 1)}.sequence-mode-picker[data-mode=reverse]::before{transform:translateX(calc(100% + 4px))}.sequence-mode-picker label{min-width:0;min-height:44px;cursor:pointer;display:flex;flex:1;position:relative;z-index:1}.sequence-mode-picker input{width:1px;height:1px;opacity:0;position:absolute}.sequence-mode-picker span{width:100%;min-height:44px;padding:0 18px;border-radius:999px;color:var(--sequence-muted);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:650;transition:color 180ms ease-out}.sequence-mode-picker input:checked+span{color:var(--sequence-green)}.sequence-mode-picker input:focus-visible+span{outline:3px solid rgb(35 122 94 / 34%);outline-offset:1px}.sequence-mode-picker:disabled label{cursor:not-allowed}.sequence-mode-picker:disabled span{opacity:.58}.sequence-mode-help{max-width:520px;margin:8px auto 20px;color:var(--sequence-muted);font-size:13px;line-height:1.5;text-align:center}.sequence-stage-shell{position:relative;isolation:isolate}.sequence-stage{position:relative;min-height:640px;padding:28px;overflow:hidden;border-radius:30px;background:var(--sequence-stage);color:var(--sequence-ink);display:grid;grid-template-rows:auto auto auto;align-content:start;justify-items:center;touch-action:manipulation}.sequence-status{width:100%;min-height:44px;display:flex;align-items:center;justify-content:flex-start;color:#58766d;font-size:12px;font-variant-numeric:tabular-nums;font-weight:750;letter-spacing:.08em}.sequence-core{width:100%;min-width:0;display:flex;align-items:center;justify-content:center;flex-direction:column}.sequence-stage-copy{width:100%;max-width:620px;min-height:126px;margin:14px auto 18px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center}.feature-kicker{color:var(--sequence-green);font-size:11px;font-weight:750;letter-spacing:.14em}.sequence-stage-title{max-width:100%;color:var(--sequence-ink);font-size:clamp(38px, 5vw, 58px);font-weight:720;line-height:1.04;letter-spacing:-.055em;overflow-wrap:anywhere}.sequence-stage-hint{max-width:520px;min-height:24px;margin-top:10px;color:var(--sequence-muted);font-size:15px;line-height:1.6}.sequence-stage[data-state=watching] .sequence-stage-title{color:var(--sequence-green)}.sequence-stage[data-state=result] .sequence-stage-title{color:#8d503d}.sequence-stage[data-state=result] .sequence-status{visibility:hidden}.sequence-grid{width:min(100%,400px);aspect-ratio:1;margin:0 auto;box-shadow:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:16px}.sequence-tile{position:relative;min-width:0;min-height:0;overflow:hidden;border:0;border-radius:24px;background:var(--sequence-tile);box-shadow:none;padding:0;appearance:none;-webkit-appearance:none;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:background-color 140ms ease-out}.sequence-answer-steps{position:absolute;inset:8px;z-index:1;visibility:hidden;pointer-events:none;display:flex;align-content:center;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px}.sequence-grid.is-guided .sequence-answer-steps{visibility:visible}.sequence-answer-step{min-width:24px;min-height:24px;border-radius:999px;background:#dceee7;padding:0 6px;color:var(--sequence-green-dark);display:grid;place-items:center;font-size:11px;font-variant-numeric:tabular-nums;font-weight:750;line-height:1}.sequence-tile.is-lit .sequence-answer-step{background:rgb(255 255 255 / 90%)}.sequence-tile:disabled{cursor:default;pointer-events:none}.sequence-tile.is-lit{background:#48a47f}.sequence-tile.is-confirmed{background:#c6e6d7}.sequence-tile.is-wrong{background:#efc9bd}.sequence-tile.is-expected{background:#a8d5c1}.sequence-answer:focus-visible,.sequence-fullscreen:focus-visible,.sequence-history summary:focus-visible,.sequence-sound:focus-visible,.sequence-stage-action:focus-visible,.sequence-stats-toggle:focus-visible,.sequence-tile:focus-visible{outline:3px solid rgb(35 122 94 / 34%);outline-offset:3px}.sequence-stage-action{min-width:116px;min-height:46px;margin-top:20px;border:0;border-radius:999px;background:radial-gradient(circle,#fff 8%,transparent 100%);padding:0 22px;color:var(--sequence-green);cursor:pointer;font:inherit;font-weight:700;transition:color 180ms ease-out}.sequence-stage-action-slot{width:100%;display:grid;place-items:center}.sequence-stage-tools{position:absolute;top:var(--sequence-control-inset);right:var(--sequence-control-inset);z-index:8;display:flex;gap:8px}.sequence-answer,.sequence-fullscreen,.sequence-sound,.sequence-stats-toggle{width:44px;height:44px;border:0;border-radius:50%;background:rgb(255 255 255 / 92%);color:var(--sequence-green);cursor:pointer;display:grid;place-items:center;transition:opacity 180ms ease-out,transform .2s cubic-bezier(.22, 1, .36, 1),background-color 180ms ease-out,color 180ms ease-out}.sequence-sound-on{display:none}.sequence-sound[aria-pressed=true] .sequence-sound-off{display:none}.sequence-sound[aria-pressed=true] .sequence-sound-on{display:block}.sequence-sound[aria-pressed=true]{color:#a95721}.sequence-stats-toggle{position:absolute;bottom:var(--sequence-control-inset);left:var(--sequence-control-inset);z-index:8}.sequence-answer[aria-pressed=true]{background:#dceee7;color:var(--sequence-green-dark)}.sequence-answer{position:absolute;top:var(--sequence-control-inset);left:50%;z-index:8;transform:translateX(-50%)}.sequence-stats-toggle svg{transform-origin:center;transition:transform 220ms cubic-bezier(.22, 1, .36, 1)}.sequence-stats-toggle[aria-expanded=true]{background:#fff;color:var(--sequence-green-dark)}.sequence-stats-toggle[aria-expanded=true] svg{transform:rotate(-12deg)}.sequence-fullscreen-exit{display:none}.sequence-stage-shell[data-fullscreen=true] .sequence-fullscreen-enter{display:none}.sequence-stage-shell[data-fullscreen=true] .sequence-fullscreen-exit{display:block}.sequence-stage-shell[data-fullscreen=true] .sequence-sound,.sequence-stage-shell[data-fullscreen=true] .sequence-stats-toggle{display:none}.sequence-stage-shell[data-fullscreen=true] .sequence-answer{top:max(16px,env(safe-area-inset-top));left:50%}.sequence-stage-shell:-webkit-full-screen,.sequence-stage-shell:fullscreen{width:100vw;height:100vh;height:100dvh;background:var(--sequence-stage)}.sequence-stage-shell:-webkit-full-screen .sequence-stage,.sequence-stage-shell:fullscreen .sequence-stage{--sequence-fullscreen-grid:min(78vw, 48vh, 400px);width:100%;height:100%;min-height:100%;padding:max(24px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left));border-radius:0;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto minmax(0,1fr);align-items:center;justify-items:center}.sequence-stage-shell[data-fullscreen=true] .sequence-status{width:auto;min-height:44px;position:absolute;top:max(16px,env(safe-area-inset-top));left:max(16px,env(safe-area-inset-left));z-index:8}.sequence-stage-shell[data-fullscreen=true] .sequence-core{display:contents}.sequence-stage-shell[data-fullscreen=true] .sequence-stage-copy{grid-column:1;grid-row:1;align-self:end;min-height:0;margin:0 0 20px}.sequence-stage-shell[data-fullscreen=true] .sequence-grid{width:var(--sequence-fullscreen-grid);grid-column:1;grid-row:2}.sequence-stage-shell[data-fullscreen=true] .sequence-stage-action-slot{grid-column:1;grid-row:3;align-self:start}.sequence-stage-shell[data-fullscreen=true] .sequence-stage-tools{top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right))}.sequence-stats{margin-top:32px}.sequence-stats-inner{position:relative;padding:var(--sequence-panel-space);border-radius:28px;background:radial-gradient(circle,var(--sequence-stage) 8%,transparent 100%)}.sequence-progress-overview{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1.6fr);align-items:end;gap:clamp(16px,3vw,40px)}.sequence-stats-kicker{margin-bottom:10px;color:var(--sequence-green);font-size:11px;font-weight:750;letter-spacing:.14em}.sequence-progress-best dt,.sequence-progress-label{color:var(--sequence-muted);font-size:12px;font-weight:700}.sequence-progress-latest{min-width:0;min-height:104px;display:flex;justify-content:flex-end;flex-direction:column}.sequence-progress-latest>strong{margin-top:4px;color:var(--sequence-green);display:block;font-size:clamp(44px, 6vw, 60px);font-variant-numeric:tabular-nums;font-weight:740;line-height:1.1;letter-spacing:-.035em;white-space:nowrap}.sequence-progress-context{margin-top:6px;color:var(--sequence-muted);font-size:12px;font-weight:600;line-height:1.45}.sequence-progress-best{min-width:0;margin:0}.sequence-progress-best>div{min-height:76px;display:flex;justify-content:flex-end;flex-direction:column}.sequence-progress-best dd{margin:5px 0 0;color:var(--sequence-ink);font-size:clamp(24px, 3vw, 34px);font-variant-numeric:tabular-nums;font-weight:720;line-height:1.2;letter-spacing:-.025em;white-space:nowrap}.sequence-history{position:relative;min-width:0;margin-top:24px}.sequence-history summary{min-height:48px;padding:4px 0;color:var(--sequence-ink);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;font-weight:700;list-style:none;-webkit-tap-highlight-color:transparent}.sequence-history summary::-webkit-details-marker{display:none}.sequence-history[open] .sequence-history-summary-copy{padding-right:60px}.sequence-history-summary-copy{min-width:0}.sequence-history-summary-copy strong{font-size:15px;font-weight:700}.sequence-history-summary-icon{flex:none;color:var(--sequence-muted);transition:opacity 180ms ease-out,transform 180ms ease-out}.sequence-history[open] .sequence-history-summary-icon{transform:rotate(180deg)}.sequence-history-panel{margin-top:4px}.sequence-history-actions{position:absolute;top:4px;right:34px;z-index:1;min-height:44px;display:flex;align-items:center}.sequence-history-list{width:100%;min-width:0;margin:0;padding:0;display:grid;gap:4px;list-style:none}.sequence-history-empty{padding:8px 0 0;color:var(--sequence-muted);font-size:13px;font-weight:600;line-height:1.5}.sequence-history-item{min-width:0;padding:14px 0;color:var(--sequence-muted);display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:8px 24px;font-variant-numeric:tabular-nums}.sequence-history-item:first-child{padding-top:8px}.sequence-history-item:last-child{padding-bottom:0}.sequence-history-level{color:var(--sequence-ink);font-size:18px;font-weight:750;letter-spacing:-.02em;white-space:nowrap}.sequence-history-time{color:var(--sequence-muted);font-size:12px;font-weight:600;line-height:1.5;text-align:right;white-space:nowrap}.sequence-history-item[aria-current=true] .sequence-history-level,.sequence-history-item[aria-current=true] .sequence-history-time{color:var(--sequence-green)}.sequence-clear-data{flex:0 0 auto;width:44px;height:44px;border:0;border-radius:50%;background:0 0;color:#7c8985;cursor:pointer;display:grid;place-items:center;transition:opacity 180ms ease-out,transform .2s cubic-bezier(.22, 1, .36, 1),background-color 180ms ease-out,color 180ms ease-out}.sequence-clear-data svg{display:block}.sequence-clear-data:disabled{cursor:default;opacity:.36}.sequence-clear-data:not(:disabled):active{opacity:.62}.sequence-features .features-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.sequence-features .feature-card{min-width:0}@media (hover:hover) and (pointer:fine){.sequence-clear-data,.sequence-fullscreen,.sequence-history-summary-icon,.sequence-sound,.sequence-stats-toggle{opacity:0;pointer-events:none;transition-duration:480ms;transition-timing-function:cubic-bezier(0.4,0,0.2,1)}.sequence-clear-data,.sequence-fullscreen,.sequence-sound,.sequence-stats-toggle{transform:translateY(3px)}.sequence-fullscreen:focus-visible,.sequence-sound:focus-visible,.sequence-stage-shell:hover .sequence-fullscreen,.sequence-stage-shell:hover .sequence-sound,.sequence-stage-shell:hover .sequence-stats-toggle,.sequence-stats-toggle:focus-visible,.sequence-stats-toggle[aria-expanded=true]{opacity:1;pointer-events:auto;transform:translateY(0);transition-duration:560ms;transition-timing-function:cubic-bezier(0.4,0,0.2,1)}.sequence-clear-data:focus-visible,.sequence-stats:hover .sequence-clear-data:not(:disabled){opacity:1;pointer-events:auto;transform:translateY(0);transition-duration:560ms;transition-timing-function:cubic-bezier(0.4,0,0.2,1)}.sequence-history summary:focus-visible .sequence-history-summary-icon,.sequence-stats:hover .sequence-history-summary-icon{opacity:1;pointer-events:auto;transition-duration:560ms;transition-timing-function:cubic-bezier(0.4,0,0.2,1)}.sequence-answer:hover,.sequence-fullscreen:hover,.sequence-sound:hover,.sequence-stage-action:hover,.sequence-stats-toggle:hover{color:var(--sequence-green-dark)}.sequence-mode-picker:not(:disabled) label:hover span{color:var(--sequence-green-dark)}.sequence-clear-data:not(:disabled):hover{background:rgb(142 104 86 / 9%);color:#8e6856}.sequence-sound[aria-pressed=true]:hover{color:#8f471d}}@media (max-width:1023.98px){:root{--sequence-page-space:40px}.sequence-features .features-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:767.98px){:root{--sequence-page-space:24px;--sequence-panel-space:20px;--sequence-control-inset:12px}.sequence-intro{margin-bottom:24px}.sequence-intro>p:last-child{font-size:16px}.sequence-stage{min-height:auto;padding:20px;border-radius:24px}.sequence-stage-copy{min-height:116px;margin:10px auto 14px}.sequence-stage-title{font-size:clamp(36px, 11vw, 52px)}.sequence-grid{width:min(100%,360px);gap:12px}.sequence-tile{border-radius:20px}.sequence-stats{margin-top:24px}.sequence-stats-inner{border-radius:24px}.sequence-progress-overview{grid-template-columns:minmax(0,1fr);gap:18px}.sequence-progress-latest{min-height:88px}.sequence-progress-best>div{min-height:64px}}@media (max-width:620px){.faq-grid,.sequence-features .features-grid{grid-template-columns:minmax(0,1fr)}}@media (max-width:420px){:root{--sequence-page-space:16px;--sequence-panel-space:16px;--sequence-control-inset:12px}.sequence-stage{padding:16px}.sequence-mode-picker span{padding-inline:10px}.sequence-stage-copy{min-height:108px}.sequence-stage-action{margin-top:16px}.sequence-stage-hint{max-width:290px;font-size:14px}.sequence-grid{gap:10px}.sequence-tile{border-radius:17px}.sequence-progress-latest>strong{font-size:clamp(40px, 12vw, 52px)}.sequence-history-item{grid-template-columns:minmax(0,1fr) auto;gap:8px 12px}}@media (max-width:347.98px){body,footer,header,html,main{min-width:320px}}@media (max-height:640px) and (orientation:landscape){.sequence-stage{min-height:480px}.sequence-stage-shell[data-fullscreen=true] .sequence-stage{--sequence-fullscreen-grid:min(52vh, 340px);padding:max(16px,env(safe-area-inset-top)) max(22px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(22px,env(safe-area-inset-left));grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto minmax(0,1fr);column-gap:clamp(20px,4vw,48px)}.sequence-stage-shell[data-fullscreen=true] .sequence-stage-copy{width:100%;max-width:300px;grid-column:1;grid-row:2;align-self:center;min-height:0;margin:0}.sequence-stage-shell[data-fullscreen=true] .sequence-stage-title{font-size:clamp(30px, 6vw, 44px)}.sequence-stage-shell[data-fullscreen=true] .sequence-grid{grid-column:2;grid-row:2}.sequence-stage-shell[data-fullscreen=true] .sequence-stage-action-slot{grid-column:2;grid-row:3}}@media (max-height:420px) and (orientation:landscape){.sequence-stage-shell[data-fullscreen=true] .sequence-stage-hint{display:none}}@media (prefers-reduced-motion:reduce){.sequence-answer,.sequence-clear-data,.sequence-fullscreen,.sequence-history-summary-icon,.sequence-mode-picker span,.sequence-mode-picker::before,.sequence-sound,.sequence-stage-action,.sequence-stats-toggle,.sequence-stats-toggle svg,.sequence-tile{transition:none}}@media (forced-colors:active){.sequence-mode-picker::before{border:2px solid Highlight;background:Canvas}.sequence-mode-picker input:checked+span{color:Highlight}.sequence-answer,.sequence-fullscreen,.sequence-history summary,.sequence-mode-picker span,.sequence-sound,.sequence-stage,.sequence-stage-action,.sequence-stats-inner,.sequence-stats-toggle,.sequence-tile{border:1px solid CanvasText}.sequence-tile.is-confirmed,.sequence-tile.is-expected,.sequence-tile.is-lit{background:Highlight}.sequence-tile.is-wrong{background:CanvasText}}