501A - Interface Designer & Engineer. Portfolio of design, engineering, and creative work.https://501a.vercel.app/https://501a.vercel.app/en/writings/designing-deizu/https://501a.vercel.app/en/writings/designing-deizu/The comprehensive breakdown of designing Deizu from scratch.https://501a.vercel.app/ja/writings/designing-deizu/https://501a.vercel.app/ja/writings/designing-deizu/Deizu のデザインをゼロから作るまでの包括的な解説