K5 (K-Five) Style Design System (DESIGN.md, Japanese UI)

Design approach: A quiet, evocative editorial design built on white surfaces (#ffffff) and large-format photography × ultra-thin typography. Color is almost entirely eliminated; the atmosphere (ambiguity) is expressed through photographic tone, whitespace, and delicate thin letterforms - About K5: A mixed-use hotel renovated from a bank building. In addition to guest rooms, it houses the restaurant Caveman, a wine bar, Brooklyn Brewery, the library bar "Ao," Switch Coffee, and more. Architecture, space, and graphics are all designed with a consistent tone - Density: Low density. Large photogra