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

Design policy: A restrained corporate site built on "gray base + Jost Latin headings + Noto Sans JP body text," conscious of the transparency of the material. Text color is unified at #4d4d4d (medium gray), avoiding pure black, with an almost white background. Decoration is stripped away to the extreme, and the layout speaks through product photography and whitespace. The news category color badges are the only chromatic element - Density: Standard corporate site. Hero video, news list, product carousel, and company introduction sections are stacked vertically - Keywords: medium gray, Jost geo