Chapter 02 · Phenology of flame 03 / 12

Four Leaves of Koyo

Color arrives in layers

Crimson crowns open first; orange and yamabuki follow the cooled evening air.

Dark timber keeps the silence

Weathered cedar absorbs the scene so each leaf reads like a small temple lantern.

Negative space carries the season

A spare field leaves room for wind, shadow, and the pause before winter.

The final red is never flat

Momiji holds vermilion, daidai, and gold at once before the branch goes bare.

This is the Autumn Momiji 紅葉 design system, applied by Curio Design — a design-style library for AI agents. Full Autumn Momiji 紅葉 guide → designbycurio.com/learn/autumn-momiji-koyo