One mark, one meaning
1
Restriction breeds clarity
The crane exists as a single red on a neutral field. Every other element on the page is a supporting actor, never a co-star.
2
Geometry carries heritage
Each angle derives from traditional kamon proportioning, scaled precisely for the cabin card, the boarding pass, and the billboard.
3
Empty space is intentional
The circle's negative space is as deliberate as the crane itself — nothing is filler, and silence speaks as loudly as ink.
4
One rule, no exceptions
Whether on a boarding pass or a billboard, the mark never recolors, stretches, rotates, or approximates.