.brief-page{padding-bottom:0}.brief-shell{max-width:1280px;margin:auto;padding:64px 32px;display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}.brief-intro{position:sticky;top:132px}.brief-intro h1{font-size:clamp(42px,5vw,72px);line-height:1.06;letter-spacing:-.055em;margin:24px 0}.brief-intro h1 span{color:var(--red)}.brief-intro p:not(.kicker){color:#65656c;line-height:1.8}.brief-intro small{display:block;line-height:1.6;color:#777;max-width:320px}.brief-card{background:white;border:1px solid var(--line);padding:36px;min-width:0}.brief-card h2{font-size:28px;letter-spacing:-.035em;margin:10px 0 24px}.brief-card p{line-height:1.7}.brief-card progress{width:100%;height:5px;accent-color:var(--red);margin:12px 0 28px}.brief-progress{display:flex;justify-content:space-between;font-size:12px;font-weight:700;gap:16px}.brief-field{display:block;margin:0 0 26px}.brief-field>label,.brief-field legend{font-size:15px;font-weight:700;display:block;margin-bottom:10px}.brief-field fieldset{border:0;margin:0;padding:0;min-width:0}.brief-field input:not([type=checkbox]):not([type=radio]),.brief-field textarea,.brief-field select{width:100%;border:1px solid #ccc;background:#fafaf8;padding:14px;font:inherit;border-radius:0}.brief-field textarea{min-height:110px;resize:vertical}.brief-field small{font-size:12px;color:#777;display:block;line-height:1.5;margin:8px 0}.brief-field .optional{font-size:11px;color:#777;font-weight:400;margin-left:8px}.brief-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}.brief-option{border:1px solid #ddd;display:flex;gap:10px;align-items:center;padding:12px;font-size:13px;cursor:pointer;line-height:1.5}.brief-option:has(input:checked){border-color:var(--red);background:#fff4f4}.brief-option input{accent-color:var(--red);flex:none}.brief-actions{display:flex;justify-content:space-between;gap:12px;margin-top:30px}.brief-actions .btn{font-family:inherit;gap:8px}.brief-card button:disabled{opacity:.5;cursor:wait}.brief-card :focus-visible{outline:2px solid var(--red);outline-offset:3px}.trap{position:absolute;left:-10000px}.draft-note{font-size:12px;color:#777}.text-button{border:0;background:none;text-decoration:underline;font:inherit;font-size:12px;cursor:pointer;color:#666}.brief-review{border-bottom:1px solid #ddd;padding-bottom:20px;margin-bottom:20px}.brief-review h3{display:flex;justify-content:space-between;align-items:center}.brief-review dt{font-size:12px;color:#777;margin-top:16px}.brief-review dd{margin:4px 0;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}#error,.field-error{color:#b21d27;font-size:13px;line-height:1.6}#error:empty{display:none}[hidden]{display:none!important}@media(max-width:850px){.brief-shell{grid-template-columns:1fr;gap:28px;padding:32px 20px}.brief-intro{position:static}.brief-intro h1{font-size:44px}.brief-card{padding:24px}.brief-intro small{max-width:none}}@media(max-width:460px){.brief-options{grid-template-columns:1fr}.brief-actions .btn{padding:0 14px;font-size:12px}.brief-card{padding:20px}.brief-shell{padding:28px 14px}.brief-page .header{padding:0 20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}