:root{--ws-color-primary-25:#f3f9fb;--ws-color-primary-50:#e6f2f7;--ws-color-primary-100:#c1dfe8;--ws-color-primary-200:#9ccbd9;--ws-color-primary-300:#77b7ca;--ws-color-primary-400:#52a3bb;--ws-color-primary-500:#3d8fa9;--ws-color-primary-600:#317997;--ws-color-primary-700:#266380;--ws-color-primary-800:#1c4d69;--ws-color-primary-900:#133752;--ws-color-neutral-0:#fff;--ws-color-neutral-50:#f1f3f4;--ws-color-neutral-100:#d8e1e6;--ws-color-neutral-500:#67747e;--ws-color-neutral-600:#56616d;--ws-color-neutral-900:#17212b;--ws-color-attention-50:#fce8ea;--ws-color-attention-500:#ec6a74;--ws-color-attention-700:#b8434c;--ws-color-attention-900:#7a2b33;--ws-color-page:var(--ws-color-neutral-0);--ws-color-surface:var(--ws-color-neutral-0);--ws-color-surface-subtle:var(--ws-color-primary-25);--ws-color-selection:var(--ws-color-primary-50);--ws-color-border:var(--ws-color-primary-100);--ws-color-border-strong:var(--ws-color-primary-200);--ws-color-action:var(--ws-color-primary-600);--ws-color-action-shadow:var(--ws-color-primary-700);--ws-color-brand:var(--ws-color-primary-500);--ws-color-navy:var(--ws-color-primary-900);--ws-color-text:var(--ws-color-neutral-900);--ws-color-text-secondary:var(--ws-color-neutral-600);--ws-color-text-tertiary:var(--ws-color-neutral-500);--ws-color-text-inverse:var(--ws-color-neutral-0);--ws-color-success:var(--ws-color-primary-500);--ws-color-success-surface:var(--ws-color-primary-50);--ws-color-attention:var(--ws-color-attention-700);--ws-color-attention-surface:var(--ws-color-attention-50);--ws-color-disabled:#dce2e7;--ws-color-disabled-surface:var(--ws-color-neutral-50);--ws-color-disabled-border:var(--ws-color-neutral-100);--ws-color-disabled-text:var(--ws-color-neutral-500);--ws-color-shadow-subtle:#77b7ca66;--ws-font-body:"Noto Sans JP", system-ui, -apple-system, blinkmacsystemfont, "Segoe UI", sans-serif;--ws-font-mono:"Roboto Mono", ui-monospace, sfmono-regular, consolas, monospace;--ws-space-1:4px;--ws-space-2:8px;--ws-space-3:12px;--ws-space-4:16px;--ws-space-5:20px;--ws-space-6:24px;--ws-space-8:32px;--ws-radius-xsmall:4px;--ws-radius-small:8px;--ws-radius-medium:12px;--ws-radius-large:16px;--ws-radius-pill:999px;--ws-size-tap:44px;--ws-size-action:52px;--ws-motion-press-distance:2px;--ws-motion-press-in:70ms;--ws-motion-release:.14s;--ws-motion-easing:cubic-bezier(.2, 0, 0, 1)}*,:before,:after{box-sizing:border-box}html{background:var(--ws-color-surface-subtle);color:var(--ws-color-text);font-family:var(--ws-font-body);-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--ws-color-surface-subtle);min-width:320px;min-height:100svh;margin:0}.ws-runtime-message{border-radius:var(--ws-radius-small);max-width:358px;color:var(--ws-color-text-inverse);background:var(--ws-color-attention);margin:0 auto;padding:12px 16px;font-weight:700;position:fixed;bottom:16px;left:16px;right:16px}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}.ws-page{width:100%;max-width:390px;min-height:100svh;padding:var(--ws-space-5) max(var(--ws-space-3), env(safe-area-inset-right)) 18px max(var(--ws-space-3), env(safe-area-inset-left));overflow-wrap:anywhere;background:var(--ws-color-page);margin:0 auto}.ws-page--auth{gap:var(--ws-space-6);flex-direction:column;padding-top:0;padding-bottom:28px;display:flex}.ws-auth-body{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:18px;display:flex}.ws-brand-icon{border-radius:var(--ws-radius-large);width:72px;height:72px;color:var(--ws-color-text-inverse);background:var(--ws-color-action);justify-content:center;align-items:center;display:inline-flex}.ws-brand-icon svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2px;width:34px;height:34px}.ws-brand-icon--attention{background:var(--ws-color-attention)}.ws-title,.ws-question,.ws-section-title,.ws-copy,.ws-eyebrow{margin:0}.ws-title{color:var(--ws-color-navy);font-size:28px;font-weight:700;line-height:1.4}.ws-title--page{font-size:24px}.ws-copy{color:var(--ws-color-text-secondary);white-space:pre-wrap;font-size:14px;font-weight:500;line-height:1.7}.ws-stack{gap:var(--ws-space-3);flex-direction:column;display:flex}.ws-stack--roomy{gap:18px}.ws-action{width:100%;min-height:var(--ws-size-action);border-radius:var(--ws-radius-small);padding:0 var(--ws-space-5);color:var(--ws-color-text-inverse);background:var(--ws-color-action);box-shadow:4px 4px 0 var(--ws-color-action-shadow);cursor:pointer;transition:transform var(--ws-motion-release) var(--ws-motion-easing), box-shadow var(--ws-motion-release) var(--ws-motion-easing), background-color var(--ws-motion-release) var(--ws-motion-easing);border:0;justify-content:center;align-items:center;font-size:15px;font-weight:700;display:inline-flex}.ws-action:hover{background:var(--ws-color-primary-700)}.ws-action:active{box-shadow:2px 2px 0 var(--ws-color-action-shadow);transition-duration:var(--ws-motion-press-in);transform:translate(2px,2px)}.ws-action--secondary{border:2px solid var(--ws-color-border);color:var(--ws-color-action);background:var(--ws-color-page);box-shadow:3px 3px 0 var(--ws-color-shadow-subtle)}.ws-action--secondary:hover{background:var(--ws-color-selection)}.ws-action:disabled{color:var(--ws-color-disabled-text);background:var(--ws-color-disabled-surface);box-shadow:3px 3px 0 var(--ws-color-disabled-border);cursor:not-allowed}.ws-action:focus-visible,.ws-back:focus-visible,.ws-choice:focus-within{outline:3px solid var(--ws-color-primary-900);outline-offset:3px}.ws-header{align-items:center;gap:var(--ws-space-3);min-height:56px;display:flex}.ws-back{border:2px solid var(--ws-color-border-strong);border-radius:var(--ws-radius-pill);width:48px;height:48px;color:var(--ws-color-action);background:var(--ws-color-page);cursor:pointer;flex:none;justify-content:center;align-items:center;font-size:22px;font-weight:700;display:inline-flex}.ws-header-label,.ws-eyebrow{color:var(--ws-color-navy);font-size:14px;font-weight:700}.ws-status{gap:var(--ws-space-2);display:grid}.ws-status-row{justify-content:space-between;align-items:center;gap:var(--ws-space-3);color:var(--ws-color-action);font-size:12px;font-weight:700;display:flex}.ws-status progress{border-radius:var(--ws-radius-xsmall);background:var(--ws-color-selection);appearance:none;border:0;width:100%;height:8px;overflow:hidden}.ws-status progress::-webkit-progress-bar{background:var(--ws-color-selection)}.ws-status progress::-webkit-progress-value{border-radius:var(--ws-radius-xsmall);background:var(--ws-color-brand)}.ws-status progress::-moz-progress-bar{border-radius:var(--ws-radius-xsmall);background:var(--ws-color-brand)}.ws-question-copy{gap:6px;display:grid}.ws-question{color:var(--ws-color-text);white-space:pre-wrap;font-size:22px;font-weight:700;line-height:1.55}.ws-choice-set{border:0;gap:9px;min-width:0;margin:0;padding:0;display:grid}.ws-sr-only{clip:rect(0, 0, 0, 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.ws-choice{align-items:center;gap:var(--ws-space-3);border:2px solid var(--ws-color-border-strong);border-radius:var(--ws-radius-small);width:100%;min-height:72px;color:var(--ws-color-action);background:var(--ws-color-page);box-shadow:3px 3px 0 var(--ws-color-shadow-subtle);cursor:pointer;padding:14px;font-size:15px;font-weight:700;display:flex;position:relative}.ws-choice input{opacity:0;pointer-events:none;position:absolute}.ws-choice-letter{width:var(--ws-size-tap);height:var(--ws-size-tap);border:2px solid var(--ws-color-action);border-radius:var(--ws-radius-pill);background:var(--ws-color-page);font-family:var(--ws-font-mono);flex:none;justify-content:center;align-items:center;display:inline-flex}.ws-choice[data-state=selected]{border-color:var(--ws-color-action);background:var(--ws-color-selection);box-shadow:2px 2px 0 var(--ws-color-action-shadow)}.ws-choice[data-state=selected] .ws-choice-letter{color:var(--ws-color-text-inverse);background:var(--ws-color-action)}.ws-choice[data-state=correct]{border-color:var(--ws-color-success);color:var(--ws-color-success);background:var(--ws-color-success-surface)}.ws-choice[data-state=correct] .ws-choice-letter{border-color:var(--ws-color-success);color:var(--ws-color-text-inverse);background:var(--ws-color-success)}.ws-choice[data-state=incorrect]{border-color:var(--ws-color-attention);color:var(--ws-color-attention);background:var(--ws-color-attention-surface)}.ws-choice[data-state=incorrect] .ws-choice-letter{border-color:var(--ws-color-attention);color:var(--ws-color-text-inverse);background:var(--ws-color-attention)}.ws-choice[data-state=disabled]{border-color:var(--ws-color-disabled-border);color:var(--ws-color-disabled-text);background:var(--ws-color-disabled-surface);box-shadow:none;cursor:default}.ws-feedback,.ws-alert,.ws-panel{border-radius:var(--ws-radius-small);gap:10px;padding:18px;display:grid}.ws-feedback{border:2px solid var(--ws-color-success);background:var(--ws-color-success-surface)}.ws-feedback--incorrect,.ws-alert{border-color:var(--ws-color-attention);background:var(--ws-color-attention-surface)}.ws-feedback-heading,.ws-alert-heading{color:var(--ws-color-success);margin:0;font-size:18px;font-weight:700}.ws-feedback--incorrect .ws-feedback-heading,.ws-alert-heading{color:var(--ws-color-attention)}.ws-feedback-summary,.ws-explanation{color:var(--ws-color-text);white-space:pre-wrap;margin:0;font-size:14px;font-weight:700;line-height:1.6}.ws-explanation-block{gap:var(--ws-space-2);border:2px solid var(--ws-color-border);border-radius:var(--ws-radius-large);padding:var(--ws-space-4);background:var(--ws-color-surface-subtle);display:grid}.ws-section-title{color:var(--ws-color-navy);font-size:16px;font-weight:700}.ws-panel{border:2px solid var(--ws-color-border);border-radius:var(--ws-radius-large);background:var(--ws-color-surface-subtle)}.ws-panel--selection{border-color:var(--ws-color-border-strong);background:var(--ws-color-selection)}.ws-scope-list{gap:var(--ws-space-2);padding-left:var(--ws-space-5);color:var(--ws-color-text-secondary);margin:0;font-size:13px;font-weight:500;line-height:1.55;display:grid}.ws-guardrail{border-radius:var(--ws-radius-medium);color:var(--ws-color-action);background:var(--ws-color-selection);margin:0;padding:14px;font-size:12px;font-weight:700;line-height:1.55}.ws-metrics{border:2px solid var(--ws-color-border-strong);border-radius:var(--ws-radius-small);min-height:84px;padding:var(--ws-space-3) 0;background:var(--ws-color-page);grid-template-columns:repeat(3,1fr);margin:0;display:grid}.ws-metric{flex-direction:column-reverse;justify-content:center;align-items:center;gap:3px;display:flex}.ws-metric dt{color:var(--ws-color-text-secondary);font-size:11px;font-weight:600}.ws-metric dd{color:var(--ws-color-navy);font-family:var(--ws-font-mono);margin:0;font-size:22px;font-weight:700}@media (width>=768px){.ws-page{border-right:1px solid var(--ws-color-border);border-left:1px solid var(--ws-color-border)}}@media (prefers-reduced-motion:reduce){.ws-action{transition:none}.ws-action:active{box-shadow:4px 4px 0 var(--ws-color-action-shadow);transform:none}}