At 1.6px/60% the trunk dot under the mouth ring read as 'mouth glyph over plain terrain' — invisible without knowing where to look, underselling the ruling's own 'a major river crosses near here' intent. 2.0px/80% preserves the fade-down ladder vs Region's 2.2px/100% without reading as accidentally-erased. Doc comment records the revision provenance. Tickets: T-1156 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>