CH·02 / 設計原則
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設計原則 — Design Principles

Signals That Move Millions

01
色彩即言語

Color as Language

Each of twelve lines carries a single hue and letter-code, reducing network complexity to instant visual recognition at platform distance.

02
二言語標準

Bilingual by Default

Kanji stacked above romaji on every panel, bridging local knowledge and visitor orientation without compromise or added clutter.

03
格子優先

Grid Over Decoration

Modular sign panels align on a strict column system, creating predictable information density across every station platform.

04
光の序列

Light as Hierarchy

Illuminated panels elevate critical wayfinding above ambient noise, ensuring readability at full platform distance and crowd density.

This is the Tokyo Metro Signage design system, applied by Curio Design — a design-style library for AI agents. Full Tokyo Metro Signage guide → designbycurio.com/learn/tokyo-metro-signage-2004