{"id":"braille","no":391,"name":"Braille","ja":"点字","era":"1824–","family":"記号体系","kind":"スタイル","collection":"Dictionary expansion 21","addedAt":"2026-08-18","source":{"title":"Perkins School for the Blind","url":"https://www.perkins.org/"},"reference":{"status":"verified","pageUrl":"https://www.perkins.org/","credit":"Perkins School for the Blind","gallery":[{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Six%20Principal%20Systems%20of%20Embossed%20Type.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Six%20Principal%20Systems%20of%20Embossed%20Type.jpg","credit":"点字以前の浮き出し文字6方式 — Wikimedia Commons / Public domain"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Blindness%20Braille-Apparatus%20Britannica.png?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Blindness%20Braille-Apparatus%20Britannica.png","credit":"点字器の図版（ブリタニカ）— Wikimedia Commons / Public domain"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/A%20person%20reading%20a%20braille%20book.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:A%20person%20reading%20a%20braille%20book.jpg","credit":"点字の本を指で読む — Wikimedia Commons / CC BY 2.0"}]},"essence":"ルイ・ブライユが15歳で設計した、2×3の点で全文字を表す触覚の文字体系。指腹一つに収まるセルの寸法設計は、人間工学とタイポグラフィが一致した稀有な発明。","cues":["2×3の点セル","指腹に合う寸法","触読の左→右","浮き出しの物質性"],"intents":["信頼","親密","技術"],"works":["サインや案内板に、触って読める情報を併記して置くとき","印刷物や包装に、視覚へ頼らない識別の手がかりを持たせるとき"],"recipe":{"type":"点の直径と間隔は規格値に従い、意匠のために詰めも広げもしない","layout":"墨字の下か横に十分離して置き、指が横へ走る余地を残す","material":"点の高さと硬さを保てる材で作り、塗装で角を丸めない"},"avoid":"見た目を整えるために点を小さくしたり詰めたりすると、指先の分解能を下回って読み取れなくなる","colors":["#fefddc","#8f9ead","#28211b"],"motif":"notation","pair":["imode-emoji","pictogram-system"],"study":["ルイ・ブライユ","先行した夜間文字（バルビエ）","日本語点字（石川倉次）"],"en":{"essence":"A tactile writing system Louis Braille designed at fifteen, giving every letter a two-by-three cell of dots. Sizing that cell to a single fingertip is a rare case of ergonomics and typography arriving at the same answer.","cues":["The 2x3 dot cell","Dimensions fit to the fingertip","Left-to-right tactile reading","The materiality of embossing"],"works":["Adding touch readable text beside signage and wayfinding panels","Giving print or packaging an identifier that does not rely on sight"],"recipe":{"type":"Dot diameter and spacing follow the standard, never adjusted for looks","layout":"Set below or beside the print, with room for a finger to travel","material":"Materials that hold dot height, no coating that rounds the domes"},"avoid":"Shrinking or tightening the dots to tidy the look drops them below the resolution of a fingertip, and nobody can read them.","study":["Louis Braille","Barbier's night writing","Japanese braille (Kuraji Ishikawa)"]},"links":{"page":"https://indexstyle.org/styles/braille","json":"https://indexstyle.org/api/styles/braille","designSpec":"https://indexstyle.org/styles/braille/design.md","imagePrompt":"https://indexstyle.org/styles/braille/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."}}