{"id":"hard-edge","no":489,"name":"Hard-Edge Painting","ja":"ハードエッジ・ペインティング","era":"1959–1970s","family":"幾何学抽象","kind":"スタイル","collection":"Dictionary expansion 24","addedAt":"2026-08-18","source":{"title":"Tate — Art Terms: Hard-Edge Painting","url":"https://www.tate.org.uk/art/art-terms/h/hard-edge-painting"},"reference":{"status":"verified","pageUrl":"https://www.tate.org.uk/art/art-terms/h/hard-edge-painting","credit":"Tate — Art Terms: Hard-Edge Painting","gallery":[{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Ellsworth%20Kelly%20-%20Red%20Yellow%20Blue%20White%20and%20Black%20-%20Google%20Art%20Project.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Ellsworth%20Kelly%20-%20Red%20Yellow%20Blue%20White%20and%20Black%20-%20Google%20Art%20Project.jpg","credit":"Ellsworth Kelly《赤・黄・青・白・黒》— Wikimedia Commons / Public domain"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Antibes%2C%201950%2C%20Ellsworth%20Kelly%2C%20no%20San%20Francisco%20Museum%20of%20Modern%20Art%2C%20SFMOMA%2028.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Antibes%2C%201950%2C%20Ellsworth%20Kelly%2C%20no%20San%20Francisco%20Museum%20of%20Modern%20Art%2C%20SFMOMA%2028.jpg","credit":"Ellsworth Kelly《Antibes》1950, SFMOMA — Wikimedia Commons / CC BY-SA 4.0"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Chuan-Shu%2C%201949%2C%20Ellsworth%20Kelly%2C%20no%20San%20Francisco%20Museum%20of%20Modern%20Art%2C%20SFMOMA%2026.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Chuan-Shu%2C%201949%2C%20Ellsworth%20Kelly%2C%20no%20San%20Francisco%20Museum%20of%20Modern%20Art%2C%20SFMOMA%2026.jpg","credit":"Ellsworth Kelly《Chuan-Shu》1949, SFMOMA — Wikimedia Commons / CC BY-SA 4.0"}]},"essence":"境界を完全に鋭く保ち、平坦な色面だけで画面を構成する絵画。筆致も階調も排し、色面の縁が唯一の出来事になる。マスキングによる正確な縁は、以後のフラットデザインやベクター表現の直接の祖先である。","cues":["完全に鋭い色面の境界","階調のない平坦な塗り","限られた大きな色面","形状そのものが支持体を決める"],"intents":["信頼","技術","静けさ"],"works":["一次資料と代表作から成立条件を比較する","別媒体へ応用できる構成原理を取り出す"],"recipe":{"type":"参照作品の文字・記号・スケールを観察する","layout":"視線と情報を支配する構造を一つ抽出する","material":"時代・地域・制作工程に固有の素材と挙動を確認する"},"avoid":"表面的な記号へ還元せず、時代・地域・技術・制作主体の文脈を確認する。","colors":["#e9e6dd","#67635d","#171615"],"motif":"graphic","pair":["color-field-painting","flat-design"],"study":["ジュールズ・ラングスナーによる命名 1959","シェイプト・キャンバスへの展開","色面と縁の心理効果"],"en":{"essence":"Painting that keeps every boundary perfectly sharp and builds the picture out of flat planes of colour alone. Brushwork and gradation are excluded, so the edge of a plane becomes the only event. The precise edge obtained by masking is the direct ancestor of later flat design and vector work.","cues":["Perfectly sharp boundaries between planes","Flat colour with no gradation","A few large planes only","The shape itself determining the support"],"works":["Identity and signage systems that must survive at any scale in flat colour, with no gradient or shadow left to reproduce badly","Interface and icon work built on hard vector silhouettes, where legibility is purely a function of edge and area"],"recipe":{"type":"A geometric sans in a single weight, treated as a flat plane of its own and aligned to the same edges as the colour.","layout":"Two to four fields dividing the format, with the division placed off any obvious fraction so the areas stay in tension.","material":"Flat, opaque, unmodulated colour with the edge cut mechanically, showing neither overlap nor a light halo."},"avoid":"Softening one edge for depth: a single feathered boundary reintroduces illusionistic space, and the picture reverts to being a picture of something.","study":["Jules Langsner's coining of the term in 1959","Its development into the shaped canvas","The psychological effect of plane and edge"]}}