# Agent Brief. build in the style of yubook.app

> Machine-extracted from a live on-demand funnel teardown (2026-09-18). 100% facts —
> measured tokens, detected patterns, harvested proof strings. No LLM interpretation.
> Measured from a 2-step funnel walk.
> Tokens: `tokens.json` / `tailwind.css`.

**Funnel:** Homepage / Lander → Tools

## Palette (area-weighted from live CSS)
| Hex | Usage | Likely role |
|-----|------:|-------------|
| `#f6f2eb` | 86.2% | background |
| `#efe9df` | 13.8% | background |

Curated roles: `accent=#efe9df` · `bg=#f6f2eb` · `surface=#efe9df` · `text=#161410`

## Type
- Display: `Song Myung`
- Body: `IBM Plex Sans KR`
- Size scale (px): 11, 12, 13, 14, 15, 16, 20, 23, 25, 27, 41, 86
- Radius (px): 50

## Patterns detected (fact-based). 0/7
- _(none detected)_

## Proof language (harvested strings → templates)
- _(none extracted)_

## Funnel facts
- Depth reached: 2 step(s)
- Proof points: 0 across 0 step(s)
- Discount/anchor pricing: no · Countdown: no · Subscription: no

## To replicate
Match the palette + type tokens above and deploy the detected patterns. Measured from a 2-step funnel walk.