*{margin:0;padding:0;box-sizing:border-box}:root{--c-primary:#1a56db;--c-primary-dark:#1e40af;--c-primary-light:#dbeafe;--c-accent:#059669;--c-accent-light:#d1fae5;--c-danger:#dc2626;--c-danger-light:#fee2e2;--c-bg:#f8fafc;--c-surface:#ffffff;--c-text:#1e293b;--c-text-secondary:#475569;--c-text-muted:#94a3b8;--c-border:#e2e8f0;--c-border-light:#f1f5f9;--radius:8px;--radius-lg:12px;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1);--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-mono:"SF Mono",SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;--transition:150ms ease;--container-max:1120px;--header-height:56px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--c-text);background:var(--c-bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
.skip-link{position:absolute;top:-100%;left:16px;background:var(--c-primary);color:#fff;padding:8px 16px;border-radius:var(--radius);z-index:100;font-weight:600;text-decoration:none}.skip-link:focus{top:8px}
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 20px}
.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:50;height:var(--header-height)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--c-text);font-weight:700;font-size:1rem}.logo-icon{flex-shrink:0}.logo-text{display:none}.main-nav{display:flex;align-items:center}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:4px}.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--c-text);border-radius:2px}.nav-toggle[aria-expanded=true] .nav-toggle-bar:first-child{transform:rotate(45deg) translate(4px,4px)}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] .nav-toggle-bar:last-child{transform:rotate(-45deg) translate(4px,-4px)}.nav-list{display:flex;list-style:none;gap:4px}.nav-link{display:block;padding:6px 12px;border-radius:var(--radius);text-decoration:none;color:var(--c-text-secondary);font-size:.875rem;font-weight:500;transition:background var(--transition),color var(--transition)}.nav-link:hover,.nav-link:focus{background:var(--c-border-light);color:var(--c-text)}.nav-link[aria-current=page]{background:var(--c-primary-light);color:var(--c-primary)}
.hero-section{background:linear-gradient(135deg,#1e3a5f 0%,#1a56db 60%,#0891b2 100%);color:#fff;padding:64px 0 56px}.hero-content{max-width:640px}.hero-tag{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:4px 14px;font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin-bottom:16px}.hero-section h1{font-size:clamp(1.75rem,4vw,2.75rem);line-height:1.2;font-weight:800;margin-bottom:16px}.hero-sub{font-size:1.0625rem;opacity:.85;max-width:520px;margin-bottom:32px}.hero-stats{display:flex;gap:32px}.stat{display:flex;flex-direction:column}.stat-num{font-size:1.5rem;font-weight:800}.stat-label{font-size:.75rem;opacity:.7;text-transform:uppercase;letter-spacing:.05em}
.checklist-section{padding:48px 0 56px}.checklist-layout{display:grid;grid-template-columns:360px 1fr;gap:40px;align-items:start}.checklist-controls{position:sticky;top:calc(var(--header-height) + 24px)}.checklist-controls h2{font-size:1.25rem;font-weight:700;margin-bottom:4px}.controls-hint{font-size:.875rem;color:var(--c-text-secondary);margin-bottom:24px}.control-group{margin-bottom:20px}.control-label{display:block;font-size:.8125rem;font-weight:600;color:var(--c-text-secondary);margin-bottom:6px}.control-select,.control-input{width:100%;padding:10px 12px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:.875rem;font-family:var(--font);background:var(--c-surface);color:var(--c-text);transition:border var(--transition),box-shadow var(--transition)}.control-select:focus,.control-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,86,219,.15)}.control-help{font-size:.75rem;color:var(--c-text-muted);margin-top:4px}.voting-method-group{border:none;padding:0;margin:0 0 20px}.radio-cards{display:flex;flex-direction:column;gap:8px}.radio-card{display:flex;align-items:flex-start;gap:10px;padding:12px;border:2px solid var(--c-border);border-radius:var(--radius);cursor:pointer;transition:border var(--transition),background var(--transition)}.radio-card:hover{border-color:var(--c-primary)}.radio-card:has(input:checked){border-color:var(--c-primary);background:var(--c-primary-light)}.radio-card input{margin-top:3px;accent-color:var(--c-primary)}.radio-card-body{display:flex;flex-direction:column}.radio-card-title{font-size:.875rem;font-weight:600}.radio-card-desc{font-size:.75rem;color:var(--c-text-secondary)}
.checklist-output{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:24px}.output-header{margin-bottom:20px}.output-header h2{font-size:1.125rem;font-weight:700;margin-bottom:12px}.progress-bar{height:8px;background:var(--c-border-light);border-radius:999px;overflow:hidden;margin-bottom:6px}.progress-fill{height:100%;width:0;background:var(--c-accent);border-radius:999px;transition:width 300ms ease}.progress-text{font-size:.8125rem;color:var(--c-text-secondary)}.deadline-warning{background:var(--c-danger-light);border:1px solid #fca5a5;border-radius:var(--radius);padding:12px 16px;margin-bottom:16px;font-size:.875rem;color:var(--c-danger)}.checklist-items{margin-bottom:20px}.empty-state{text-align:center;padding:48px 24px;color:var(--c-text-secondary)}.empty-state svg{margin-bottom:16px}.checklist-item{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid var(--c-border-light)}.checklist-item:last-child{border-bottom:none}.checklist-checkbox{width:20px;height:20px;flex-shrink:0;margin-top:2px;accent-color:var(--c-accent);cursor:pointer}.checklist-item-body{flex:1}.checklist-item-title{font-size:.9375rem;font-weight:600}.checklist-item-desc{font-size:.8125rem;color:var(--c-text-secondary);margin-top:2px}.checklist-item-tag{display:inline-block;font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:2px 8px;border-radius:999px;margin-top:6px}.tag-required{background:var(--c-danger-light);color:var(--c-danger)}.tag-recommended{background:#fef3c7;color:#92400e}.tag-optional{background:var(--c-border-light);color:var(--c-text-secondary)}.custom-item-row{display:flex;gap:8px;margin-top:16px}.custom-item-row input{flex:1;padding:8px 12px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:.875rem;font-family:var(--font)}.custom-item-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,86,219,.15)}.output-actions{display:flex;gap:8px;margin-bottom:16px}.share-section{border-top:1px solid var(--c-border-light);padding-top:16px}.share-label{font-size:.8125rem;font-weight:600;color:var(--c-text-secondary);margin-bottom:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:var(--radius);font-size:.875rem;font-weight:600;font-family:var(--font);cursor:pointer;transition:background var(--transition),border var(--transition),color var(--transition),box-shadow var(--transition);border:2px solid transparent;text-decoration:none;line-height:1.25}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}.btn-primary:hover:not(:disabled),.btn-primary:focus:not(:disabled){background:var(--c-primary-dark);border-color:var(--c-primary-dark)}.btn-secondary{background:var(--c-surface);color:var(--c-text);border-color:var(--c-border)}.btn-secondary:hover:not(:disabled),.btn-secondary:focus:not(:disabled){background:var(--c-border-light)}.btn-ghost{background:transparent;color:var(--c-primary);padding:6px 12px;font-size:.8125rem}.btn-ghost:hover:not(:disabled),.btn-ghost:focus:not(:disabled){background:var(--c-primary-light)}.btn-sm{padding:6px 14px;font-size:.8125rem}
.info-section{padding:56px 0;background:var(--c-surface);border-top:1px solid var(--c-border)}.info-section h2{font-size:1.5rem;font-weight:700;margin-bottom:32px;text-align:center}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}.info-card{padding:24px;background:var(--c-bg);border-radius:var(--radius-lg);border:1px solid var(--c-border)}.info-card h3{font-size:1rem;font-weight:700;margin-bottom:8px}.info-card p{font-size:.875rem;color:var(--c-text-secondary);line-height:1.6}
.mistakes-section{padding:56px 0}.mistakes-section h2{font-size:1.5rem;font-weight:700;margin-bottom:32px;text-align:center}.mistakes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.mistake-card{padding:20px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);border-left:4px solid var(--c-danger)}.mistake-card h3{font-size:.9375rem;font-weight:700;margin-bottom:6px}.mistake-card p{font-size:.875rem;color:var(--c-text-secondary);line-height:1.6}
.faq-section{padding:56px 0;background:var(--c-surface);border-top:1px solid var(--c-border)}.faq-section h2{font-size:1.5rem;font-weight:700;margin-bottom:32px;text-align:center}.faq-list{max-width:720px;margin:0 auto}.faq-item{border:1px solid var(--c-border);border-radius:var(--radius);margin-bottom:8px;overflow:hidden}.faq-item summary{padding:16px 20px;font-size:.9375rem;font-weight:600;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";font-size:1.25rem;color:var(--c-text-muted);transition:transform var(--transition)}.faq-item[open] summary::after{content:"−"}.faq-item[open] summary{border-bottom:1px solid var(--c-border-light)}.faq-item p{padding:0 20px 16px;font-size:.875rem;color:var(--c-text-secondary);line-height:1.6}
.reference-section{padding:56px 0}.reference-section h2{font-size:1.5rem;font-weight:700;margin-bottom:8px;text-align:center}.reference-note{font-size:.875rem;color:var(--c-text-secondary);text-align:center;margin-bottom:24px}.table-wrapper{overflow-x:auto;border:1px solid var(--c-border);border-radius:var(--radius-lg);background:var(--c-surface)}.reference-table{width:100%;border-collapse:collapse;font-size:.875rem}.reference-table th{text-align:left;padding:12px 16px;background:var(--c-bg);font-weight:600;color:var(--c-text-secondary);border-bottom:1px solid var(--c-border);white-space:nowrap}.reference-table td{padding:10px 16px;border-bottom:1px solid var(--c-border-light);color:var(--c-text-secondary)}.reference-table tr:last-child td{border-bottom:none}.reference-table tr:hover td{background:var(--c-bg)}
.site-footer{border-top:1px solid var(--c-border);padding:32px 0;background:var(--c-surface)}.footer-inner{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px}.footer-note{font-size:.8125rem;color:var(--c-text-secondary);margin-bottom:4px}.footer-legal{font-size:.8125rem}.footer-legal a{color:var(--c-text-secondary);text-decoration:none}.footer-legal a:hover{color:var(--c-text)}.footer-right p{font-size:.8125rem;color:var(--c-text-secondary)}.footer-right a{color:var(--c-primary);text-decoration:none;font-weight:500}.footer-right a:hover{text-decoration:underline}
@media(max-width:900px){.checklist-layout{grid-template-columns:1fr}.checklist-controls{position:static}}
@media(max-width:640px){.container{padding:0 16px}.hero-section{padding:40px 0 36px}.hero-stats{gap:20px}.stat-num{font-size:1.25rem}.checklist-output{padding:16px}.output-actions{flex-wrap:wrap}.info-grid,.mistakes-grid{grid-template-columns:1rem;grid-template-columns:1fr}.footer-inner{flex-direction:column;align-items:flex-start}.nav-toggle{display:flex}.nav-list{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:var(--c-surface);border-bottom:1px solid var(--c-border);flex-direction:column;padding:8px 16px;gap:0}.nav-list[data-visible=true]{display:flex}.nav-link{padding:10px 8px;width:100%}}
@media print{body{background:#fff;color:#000}.site-header,.site-footer,.hero-section,.info-section,.mistakes-section,.faq-section,.reference-section,.share-section,.output-actions,.checklist-controls,.deadline-warning,.skip-link,.nav-toggle{display:none!important}.checklist-section{padding:0}.checklist-layout{grid-template-columns:1fr;gap:0}.checklist-output{border:none;padding:0}.checklist-item{border-bottom:1px solid #ddd}.checklist-item-tag{border:1px solid #999;background:transparent!important;color:#333!important}.progress-bar,.progress-text{display:none}}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:2px}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}