BALMUDA Style Design System (DESIGN.md, Japanese UI)

Design philosophy: Product journalism driven by product photography, with thorough whitespace and quietness. Text plays a supporting role; images create the atmosphere. - Density: Information density is low. An "exhibition-style" layout that switches large visuals, one product per section. - Keywords: Minimal, photography-driven, whitespace, English titles, humid gray - Characteristics: Uses Adobe Fonts' bodoni-pt-variable (a slender modern Bodoni) for English chapter titles. An unusual configuration that prioritizes Yu Gothic for Japanese text (calling the macOS built-in font via the custom n