mojiya ダイカットステッカー 狂気の沙汰

It looks like you're referring to a product related to "mojiya" (もじや), which appears to be a stylish, die-cut sticker featuring a design that likely incorporates text or a logo. The term "狂気の沙汰" translates to "insanity" or "madness," which might be a theme of the design. The product code "MOJI-005" indicates it might be part of a series of official merchandise.
If you're looking for specific information, such as where to purchase it, details about the design, or related items, please let me know!