Which innovative packaging design helped revitalize traditional Japanese sake sales by combining cultural symbolism with modern convenience?

Product packaging plays a crucial role in preserving cultural traditions while making them accessible to modern consumers. Many brands are finding innovative ways to incorporate cultural elements into their packaging design, creating both functional containers and cultural storytelling vehicles. This poll tests your knowledge about a groundbreaking packaging innovation that helped revitalize a traditional product by making it more appealing to contemporary markets while honoring its cultural roots.

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The "One Cup" individual glass containers with woodblock-style art that made sake portable and introduced portion control while featuring traditional imagery
Bamboo-wrapped bottles with QR codes that link to videos of traditional brewing methods when scanned
Temperature-sensitive ceramic bottles that change color when the sake reaches optimal drinking temperature
Flat, envelope-style pouches designed to resemble traditional Japanese money envelopes (pochibukuro) for gift-giving