{"id":"playing-card","no":328,"name":"Playing Card Design","ja":"トランプの意匠","era":"15th century–","family":"遊戯とゲームの意匠","kind":"スタイル","collection":"Dictionary expansion 18","addedAt":"2026-08-18","source":{"title":"The World of Playing Cards","url":"https://www.wopc.co.uk/"},"reference":{"status":"verified","pageUrl":"https://www.wopc.co.uk/","credit":"The World of Playing Cards","gallery":[{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Kings-comparison.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Kings-comparison.jpg","credit":"ピエール・マレシャル（ルーアン）のハートのキングとスペイン式コインの王の比較 — Wikimedia Commons / Public domain"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Hand-painted%20hanafuda%20-%20late%20Edo%20period.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Hand-painted%20hanafuda%20-%20late%20Edo%20period.jpg","credit":"手描きの花札 江戸後期（1789–1854年） — Wikimedia Commons / Public domain"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Bavarian%20pack%20-%20the%20four%20Deuces%20or%20Aces-IMG%207541.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Bavarian%20pack%20-%20the%20four%20Deuces%20or%20Aces-IMG%207541.jpg","credit":"バイエルン式パックの四枚のダウス（エース） — Wikimedia Commons / CC BY-SA 4.0"}]},"essence":"上下対称のコートカード、スートの記号学、裏面の地紋。数百年の使用で磨かれた52枚の設計である。摩耗と識別の要求が生んだ完成度は、UIデザインの先史でもある。","cues":["上下対称のコートカード","スートの記号","角の索引表示","裏面の連続地紋"],"intents":["遊び","信頼","懐かしさ"],"works":["手に持って何百回も繰り返し使う、カード型の道具やゲーム","暗い場所でも一瞬で見分けさせる、記号と色の体系づくり"],"recipe":{"type":"隅の索引を大きく明快に、絵札の内側は細部を減らす","layout":"半回転させても同じに見える上下対称で全図を組む","material":"摩耗を隠す裏面の連続地紋を、縁からわずかに離して置く"},"avoid":"絵柄の面白さを優先して隅の索引を小さくし、扇状に持ったとき何の札か分からなくなる。","colors":["#f5eed8","#ce4e43","#1b1411"],"motif":"ephemera","pair":["tarot","hanafuda"],"study":["ルーアン様式とコートカードの系譜","インデックスの発明","各国の地域パターン"],"en":{"essence":"The 52-sheet design polished by centuries of use: double-ended court cards, the semiotics of suits, repeating back patterns. Wear and recognition produced a completeness that is also the prehistory of UI design.","cues":["Double-ended court cards","Suit signs","Corner indices","Repeating back patterns"],"works":["Card-shaped tools and games handled hundreds of times in the hand","Sign and color systems that must be told apart instantly in poor light"],"recipe":{"type":"Corner indices large and plain, detail reduced inside the court figure","layout":"Everything built double-ended so a half turn changes nothing","material":"A repeating back pattern hiding wear, held off the edge"},"avoid":"Favoring an interesting picture and shrinking the corner index makes the card unreadable the moment a hand is held in a fan.","study":["the Rouen pattern lineage","the invention of indices","regional standard patterns"]},"links":{"page":"https://indexstyle.org/styles/playing-card","json":"https://indexstyle.org/api/styles/playing-card","designSpec":"https://indexstyle.org/styles/playing-card/design.md","imagePrompt":"https://indexstyle.org/styles/playing-card/prompt.txt"},"usage":{"license":"CC-BY-4.0","licenseName":"Creative Commons Attribution 4.0 International","licenseUrl":"https://creativecommons.org/licenses/by/4.0/","attribution":"IndexStyle — https://indexstyle.org","attributionUrl":"https://indexstyle.org","scope":"Original IndexStyle text and structured data. Reference images, quoted works, and third-party material are excluded and retain their own rights."}}