{"id":51086,"date":"2023-10-17T03:36:09","date_gmt":"2023-10-16T18:36:09","guid":{"rendered":"https:\/\/kinqsta.com\/jp\/?p=51086&#038;post_type=knowledgebase&#038;preview_id=51086"},"modified":"2025-10-02T04:45:53","modified_gmt":"2025-10-01T19:45:53","slug":"jss","status":"publish","type":"post","link":"https:\/\/kinqsta.com\/jp\/blog\/jss\/","title":{"rendered":"JSS\u3067React\u30b5\u30a4\u30c8\u3092\u52d5\u7684\u304b\u3064\u304a\u3057\u3083\u308c\u306b\u88c5\u98fe\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u898b\u305f\u76ee\u3092\u5b9a\u7fa9\u3057\u3001\u307e\u3068\u307e\u308a\u306e\u3042\u308b\u5be9\u7f8e\u7684\u306a\u30d6\u30e9\u30f3\u30c9\u306e\u4f5c\u6210\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\u306b\u306fCascading Style Sheets\uff08CSS\uff09 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href=\"https:\/\/kinqsta.com\/jp\/blog\/what-is-javascript\/\">JavaScript\u30d9\u30fc\u30b9<\/a>\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3088\u308a\u67d4\u8edf\u3067\u3001\u6a19\u6e96\u7684\u306aCSS\u3088\u308a\u3082\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3088\u304f\u4f7f\u308f\u308c\u308b\u65b9\u6cd5\u306e\u3072\u3068\u3064\u306b\u3001JavaScript\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\uff08JSS\uff09\u304c\u3042\u308a\u307e\u3059\u3002JSS\u306b\u306f\u3001\u52d5\u7684\u306a\u30b9\u30bf\u30a4\u30eb\u3084\u30c6\u30fc\u30de\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u5909\u6570\u3001JavaScript\u5f0f\u3001\u95a2\u6570\u306e\u4f7f\u7528\u306a\u3069\u3001\u3044\u304f\u3064\u3082\u306e\u5f37\u307f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001JSS\u306e\u4ed5\u7d44\u307f\u3084\u5229\u70b9\u3001JavaScript\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u52d5\u7684\u306a\u30b9\u30bf\u30a4\u30eb\u8a2d\u5b9a\u3001\u30c6\u30fc\u30de\u8a2d\u5b9a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u307e\u3059\u3002JSS\u306f\u3055\u307e\u3056\u307e\u306a\u72b6\u6cc1\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306fReact\u306eJSS\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2>JSS\u3068\u306f<\/h2>\n<p>JSS\u3092\u4f7f\u3046\u3068\u3001CSS\u30b9\u30bf\u30a4\u30eb\u3092JavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u8a18\u8ff0\u3057\u3001\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8981\u7d20\u3084\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30af\u30e9\u30b9\u540d\u3068\u3057\u3066\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002JSS\u306f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u4f9d\u5b58\u3057\u306a\u3044\u306e\u3067\u3001\u30d0\u30cb\u30e9JavaScript\u3067\u3082<a href=\"https:\/\/kinqsta.com\/jp\/blog\/javascript-react\/\">React<\/a>\u3084<a href=\"https:\/\/kinqsta.com\/jp\/blog\/angular-component-libraries\/\">Angular<\/a>\u306e\u3088\u3046\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3082\u4f7f\u3048\u307e\u3059\u3002<\/p>\n<p>JSS\u306b\u306f\u3001\u5f93\u6765\u306eCSS\u30b9\u30bf\u30a4\u30eb\u3088\u308a\u3082\u512a\u308c\u305f\u70b9\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u52d5\u7684\u306a\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0<\/strong>\u2500JSS\u3092\u4f7f\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3001props\u3084\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u3088\u3046\u306a\u5024\u306b\u57fa\u3065\u3044\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002JavaScript\u306e\u95a2\u6570\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u72b6\u614b\u3001\u5916\u90e8\u30c7\u30fc\u30bf\u3001\u307e\u305f\u306f\u30d6\u30e9\u30a6\u30b6API\u306b\u5fdc\u3058\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u7684\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u751f\u6210\u3059\u308b\u306e\u306b\u6709\u7528\u3067\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u30c6\u30fc\u30de\u8a2d\u5b9a\u6a5f\u80fd\u306e\u5411\u4e0a<\/strong>\u2500JSS\u3092\u4f7f\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u30c6\u30fc\u30de\u306b\u7279\u5316\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u660e\u308b\u3044\uff08\u30e9\u30a4\u30c8\uff09\u30c6\u30fc\u30de\u3068\u6697\u3044\uff08\u30c0\u30fc\u30af\uff09\u30c6\u30fc\u30de\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u597d\u307f\u306b\u5fdc\u3058\u3066\u3053\u308c\u3089\u306e\u30c6\u30fc\u30de\u56fa\u6709\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u3002React\u306e\u5834\u5408\u3001<a href=\"https:\/\/github.com\/cssinjs\/jss\/tree\/master\/packages\/react-jss\" target=\"_blank\" rel=\"noopener noreferrer\">React-JSS<\/a>\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30c6\u30fc\u30de\u4f1d\u642c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u30c6\u30fc\u30de\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c4\u30ea\u30fc\u306e\u4e0b\u5c64\u306b\u30c6\u30fc\u30de\u60c5\u5831\u3092\u6e21\u3059\u524d\u306b\u3001\u4e00\u7b87\u6240\u3067\u30c6\u30fc\u30de\u3092\u5b9a\u7fa9\u3057\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u4fdd\u5b88\u6027\u306e\u5411\u4e0a <\/strong>\u2500JavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u30b9\u30bf\u30a4\u30eb\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3001\u95a2\u9023\u3059\u308b\u30b9\u30bf\u30a4\u30eb\u30921\u3064\u306e\u5834\u6240\u306b\u307e\u3068\u3081\u3001\u5fc5\u8981\u306a\u3068\u304d\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u304c\u6e1b\u308a\u3001\u30b3\u30fc\u30c9\u306e\u69cb\u6210\u304c\u6539\u5584\u3055\u308c\u308b\u305f\u3081\u3001\u9577\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u7dad\u6301\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u6163\u308c\u89aa\u3057\u3093\u3060CSS<\/strong>\u2500JSS\u306f\u3001\u4e71\u96d1\u3067\u7ba1\u7406\u3057\u306b\u304f\u3044\u30a4\u30f3\u30e9\u30a4\u30f3\u30b9\u30bf\u30a4\u30eb\u5f62\u5f0f\u3067\u306f\u306a\u304f\u3001\u6271\u3044\u3084\u3059\u3044CSS\u3092\u751f\u6210\u3057\u307e\u3059\u3002JSS\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30e6\u30cb\u30fc\u30af\u306a\u30af\u30e9\u30b9\u540d\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001CSS\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u6027\u8cea\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u540d\u524d\u306e\u885d\u7a81\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>JSS\u3067\u30b9\u30bf\u30a4\u30eb\u3092\u8a18\u8ff0\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u3053\u306e\u8aac\u660e\u3067\u306f\u3001React\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3055\u3089\u306b<code>Hooks<\/code> API\u3092\u7528\u3044\u3066JSS\u3068React\u3092\u7d71\u5408\u3059\u308b<code>react-jss<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<code>react-jss<\/code>\u306b\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u4ed8\u5c5e\u3057\u3066\u304a\u308a\u3001\u6700\u5c0f\u9650\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067JSS\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>React\u3067\u306eJSS\u306e\u57fa\u672c\u69cb\u6587\u3068\u4f7f\u3044\u65b9<\/h3>\n<p>React\u3067JSS\u3092\u4f7f\u3046\u306b\u306f\u3001\u307e\u305anpm\u3084Yarn\u306a\u3069\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u3092\u4f7f\u3063\u3066<code>react-jss<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n<p>JSS\u3067\u30b9\u30bf\u30a4\u30eb\u3092\u8a18\u8ff0\u3059\u308b\u69cb\u6587\u3067\u306f\u3001<a href=\"https:\/\/kinqsta.com\/javascript\/\">JavaScript<\/a>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u7279\u5b9a\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066CSS\u30eb\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306fReact\u30a2\u30d7\u30ea\u306e\u30dc\u30bf\u30f3\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">\nconst styles = {\n      button: {\n            padding: \"10px 20px\",\n            background: \"#f7df1e\",\n            textAlign: \"center\",\n            border:\"none\"\n      }\n};<\/code><\/pre>\n<p><strong>\u6ce8<\/strong>\uff09CSS\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b9\u30bf\u30a4\u30eb\u3092HTML\u8981\u7d20\u306b\u9069\u7528\u3059\u308b\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol start=\"1\">\n<li style=\"list-style-type: none\">\n<ol start=\"1\">\n<li>\u30b9\u30bf\u30a4\u30eb\u3092<code>react-jss<\/code>\u304b\u3089<code>createUseStyles()<\/code>\u30e1\u30bd\u30c3\u30c9\u306b\u6e21\u3057\u30af\u30e9\u30b9\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<pre><code class=\"language-js\">import { createUseStyles } from \"react-jss\";\nconst styles = {\n       button: {\n             padding: \"10px 20px\",\n             background: \"#f7df1e\",\n             textAlign: \"center\",\n             border:\"none\"\n       }\n};\nconst useStyles = createUseStyles(styles);<\/code><\/pre>\n<ol start=\"2\">\n<li>\u751f\u6210\u3055\u308c\u305f\u30af\u30e9\u30b9\u540d\u3092\u4f7f\u3063\u3066\u30dc\u30bf\u30f3\u8981\u7d20\u306bCSS\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre><code class=\"language-js\">const App = () = &gt; {\n      const classes = useStyles();\n      return (\n            &lt; button className={classes.button} &gt; &lt;\/button &gt;\n      );\n};<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u3001<code>styles<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u64ec\u4f3c\u30af\u30e9\u30b9\u3001\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3001\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u306e\u6271\u3044\u65b9<\/h3>\n<p>JSS\u306f\u3001\u64ec\u4f3c\u30af\u30e9\u30b9\u3001\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3001\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u3092\u542b\u3080\u3001\u65e2\u5b58\u306e\u3059\u3079\u3066\u306eCSS\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u3001\u901a\u5e38\u306eCSS\u30b9\u30bf\u30a4\u30eb\u30eb\u30fc\u30eb\u3068\u540c\u3058\u69cb\u6587\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4>\u64ec\u4f3c\u30af\u30e9\u30b9<\/h4>\n<p>\u305f\u3068\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30dc\u30bf\u30f3\u306e\u4e0a\u306b\u30de\u30a6\u30b9\u3092\u79fb\u52d5\u3057\u305f\u3068\u304d\u306b\u80cc\u666f\u8272\u3092\u5909\u66f4\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30dc\u30bf\u30f3\u306b\u30db\u30d0\u30fc\u306e\u64ec\u4f3c\u30af\u30e9\u30b9\u3092\u8ffd\u52a0\u3057\u305f\u3044\u3068\u3057\u307e\u3059\u3002\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3053\u306e\u64ec\u4f3c\u30af\u30e9\u30b9\u3092\u5b9f\u88c5\u3057\u3001\u30db\u30d0\u30fc\u6642\u306b\u30dc\u30bf\u30f3\u306e\u80cc\u666f\u304c\u8584\u7dd1\u8272\u306b\u306a\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">const styles = {\n      button: {\n            padding: \"10px 20px\",\n            background: \"#f7df1e\",\n            textAlign: \"center\",\n            border:\"none\",\n            '&:hover': {\n                  backgroundColor: 'lightgreen',\n            }\n     }\n};<\/code><\/pre>\n<h4>\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0<\/h4>\n<p>\u540c\u69d8\u306b\u3001<code>@keyframes<\/code>\u30eb\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306f\u56de\u8ee2\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-js\">const styles = {\n       '@keyframes spin': {\n             '0%': {\n                   transform: 'rotate(0deg)',\n             },\n             '100%': {\n                   transform: 'rotate(360deg)',\n             },\n       },\n       spinner: {\n              width: \"100px\",\n              height: \"100px\",\n              backgroundColor: \"lightgreen\",\n              animation: '$spin 1s linear infinite',\n       },\n}<\/code><\/pre>\n<p>styles\u95a2\u6570\u5185\u3067\u3001<code>@keyframes<\/code>\u30eb\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001<code>spin<\/code>\u3068\u3044\u3046\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u6b21\u306b\u3001<code>$<\/code>\u69cb\u6587\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u9069\u7528\u3059\u308b<code>spinner<\/code>\u3068\u3044\u3046\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u53c2\u7167\u3057\u307e\u3059\u3002<\/p>\n<h4>\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea<\/h4>\n<p><a href=\"https:\/\/kinqsta.com\/blog\/javascript-media-query\/\">\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea<\/a>\u3082JSS\u306e\u901a\u5e38\u306eCSS\u69cb\u6587\u3092\u4f7f\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u7279\u5b9a\u306e\u753b\u9762\u30b5\u30a4\u30ba\u3067\u30dc\u30bf\u30f3\u306e\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">const styles = {\n      button: {\n            fontSize: \"12px\",\n            '@media (max-width: 768px)': {\n                  fontSize: '34px',\n            },\n      }\n};<\/code><\/pre>\n<p>\u3053\u3053\u307e\u3067\u898b\u3066\u304d\u305f\u3088\u3046\u306b\u3001JSS\u3067\u30b9\u30bf\u30a4\u30eb\u3092\u66f8\u304f\u3053\u3068\u306f\u3001\u901a\u5e38\u306eCSS\u3092\u66f8\u304f\u3053\u3068\u3068\u305d\u308c\u307b\u3069\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001JSS\u306e\u5229\u70b9\u306f\u3001JavaScript\u306e\u6027\u80fd\u3092\u6d3b\u7528\u3057\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u52d5\u7684\u306b\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2>JSS\u306b\u3088\u308b\u52d5\u7684\u306a\u30b9\u30bf\u30a4\u30eb\u8a2d\u5b9a<\/h2>\n<p>\u52d5\u7684\u30b9\u30bf\u30a4\u30eb\u3068\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u5fdc\u3058\u3066\u5909\u5316\u3059\u308b\u30b9\u30bf\u30a4\u30eb\u3092\u610f\u5473\u3057\u307e\u3059\u3002React\u3067\u306f\u3001state\u3001props\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306a\u3069\u306e\u5024\u306b\u5fdc\u3058\u3066\u30b9\u30bf\u30a4\u30eb\u304c\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n<h3>JSS\u3067\u52d5\u7684\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u5316\u3055\u305b\u308b\u65b9\u6cd5<\/h3>\n<p>JSS\u3067\u306f\u3001JavaScript\u306e\u5f0f\u3092\u4f7f\u3063\u3066\u8981\u7d20\u306b\u6761\u4ef6\u4ed8\u304d\u3067\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u3001\u52d5\u7684\u306a\u30b9\u30bf\u30a4\u30eb\u30eb\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><code>bgColor<\/code>\u3068\u3044\u3046props\u3092\u53d7\u3051\u53d6\u308b\u30dc\u30bf\u30f3\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u305d\u306e\u5024\u306f\u30dc\u30bf\u30f3\u306e\u80cc\u666f\u8272\u3067\u3059\u3002props\u306b\u57fa\u3065\u3044\u3066\u30dc\u30bf\u30f3\u306e\u80cc\u666f\u8272\u3092\u5909\u66f4\u3059\u308b\u30b9\u30bf\u30a4\u30eb\u30eb\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001<code>useStyles<\/code>\u30e1\u30bd\u30c3\u30c9\u306bprops\u3092\u6e21\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">import { createUseStyles } from \"react-jss\"\n\nconst styles = {\n      button: {\n            padding: \"10px 20px\",\n            background: props = &gt;props.bgColor,\n            textAlign: \"center\",\n            border:\"none\"\n      }\n};\nconst Button = ({...props}) =&gt; {\n  \n      const useStyles = createUseStyles(styles);\n      const classes = useStyles({...props});\n      return (\n            &lt;button className={classes.button}&gt;Button &lt;\/button&gt;\n      );\n};<\/code><\/pre>\n<p>\u305d\u3057\u3066\u3001styles\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067props\u3092\u53c2\u7167\u3057\u307e\u3059\u3002\u4e0a\u306e\u4f8b\u3067\u306f\u3001<code>props.bgColor<\/code>\u3092\u53c2\u7167\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u3001\u5fc5\u8981\u306a\u80cc\u666f\u8272\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001<code>lightgreen<\/code>\u3068<code>yellow<\/code>\u306e\u80cc\u666f\u8272\u3092\u6301\u30642\u3064\u306e<code>Button<\/code>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">export default function App() {\n  return (\n    &lt;div &gt;\n      &lt;Button bgColor=\"lightgreen\" \/&gt;\n      &lt;div style={{ marginTop: \"10px\" }}&gt;&lt;\/div&gt;\n      &lt;Button bgColor=\"yellow\" \/&gt;\n    &lt;\/div&gt;\n  );\n}<\/code><\/pre>\n<figure style=\"width: 1838px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/10\/image1.png\" alt=\"Two buttons dynamically styled with JSS\" width=\"1838\" height=\"462\"><figcaption class=\"wp-caption-text\">JSS\u3067\u52d5\u7684\u306b2\u3064\u306e\u30dc\u30bf\u30f3\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b<\/figcaption><\/figure>\n<p><code>Button<\/code>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3073\u306b\u3001\u597d\u304d\u306a\u3088\u3046\u306b\u80cc\u666f\u3092\u30b9\u30bf\u30a4\u30eb\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\uff08state\uff09\u306b\u5fdc\u3058\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30e1\u30cb\u30e5\u30fc\u306b\u3044\u304f\u3064\u304b\u306e\u30ea\u30f3\u30af\u9805\u76ee\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u73fe\u5728\u306e\u30da\u30fc\u30b8\u306e\u30ea\u30f3\u30af\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u3059\u308b\u306b\u306f\u3001<code>isActive<\/code>\u3068\u3044\u3046\u72b6\u614b\u5024\u3092\u5b9a\u7fa9\u3057\u3066\u3001\u30e1\u30cb\u30e5\u30fc\u306e\u30ea\u30f3\u30af\u9805\u76ee\u304c\u6709\u52b9\u304b\u3069\u3046\u304b\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001JavaScript\u306e\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u3066<code>isActive<\/code>\u306e\u5024\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u72b6\u614b\uff08state\uff09\u304c<code>true<\/code>\u306e\u5834\u5408\u306f\u30ea\u30f3\u30af\u306e\u8272\u3092\u9752\u306b\u3001<code>false<\/code>\u306e\u5834\u5408\u306f\u8d64\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">const styles = {\n      a: {\n             color: ({ isActive }) =&gt; isActive ? 'blue' : 'red',\n             padding: '10px',\n      },\n};<\/code><\/pre>\n<p>\u3053\u308c\u3067\u3001\u6709\u52b9\u306a\u30ea\u30f3\u30af\u306f\u9752\u306b\u3001\u305d\u3046\u3067\u306a\u3044\u30ea\u30f3\u30af\u306f\u8d64\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u540c\u69d8\u306b\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u57fa\u3065\u3044\u3066\u52d5\u7684\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u5229\u7528\u8005\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u4fdd\u5b58\u3059\u308b\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u3001<code>UserContext<\/code>\u306e\u3088\u3046\u306a\u8981\u7d20\u3092\u30b9\u30bf\u30a4\u30eb\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-js\">const { online } = useContext(UserContext);\nconst styles = {\n      status: {\n            background: online ? 'lightgreen' : '',\n            width: '20px',\n            height: '20px',\n            borderRadius: \"50%\",\n            display: online ? 'flex' : 'hidden'\n      },\n};<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u306e\u5834\u5408\u3001\u8981\u7d20\u306e\u80cc\u666f\u306f\u7dd1\u8272\u306b\u306a\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u306e\u5834\u5408\u306f<code>display<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092<code>flex<\/code>\u306b\u8a2d\u5b9a\u3057\u3001\u30aa\u30d5\u30e9\u30a4\u30f3\u306e\u5834\u5408\u306f<code>hidden<\/code>\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h3>\u52d5\u7684\u30b9\u30bf\u30a4\u30eb\u306e\u4f7f\u7528\u4f8b<\/h3>\n<p>\u52d5\u7684\u30b9\u30bf\u30a4\u30eb\u306fJSS\u306e\u4fbf\u5229\u306a\u6a5f\u80fd\u3067\u3042\u308a\u3001\u591a\u304f\u306e\u4f7f\u7528\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30c6\u30fc\u30de<\/strong>\u2500\u30e9\u30a4\u30c8\u30c6\u30fc\u30de\u3084\u30c0\u30fc\u30af\u30c6\u30fc\u30de\u306a\u3069\u3001\u30c6\u30fc\u30de\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u57fa\u3065\u3044\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u5b9a\u7fa9\u3057\u3001props\u3084\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u5024\u3068\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/strong>\u2500JSS\u3067\u306f\u3001\u7279\u5b9a\u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30dc\u30bf\u30f3\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u304d\u3001\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u30a8\u30e9\u30fc\u72b6\u614b\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u304d\u3001\u30b5\u30a4\u30c9\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30e1\u30cb\u30e5\u30fc\u304c\u958b\u3044\u3066\u3044\u308b\u3068\u304d\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u304d\u306a\u3069\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306e\u307f\u9069\u7528\u3055\u308c\u308b\u30b9\u30bf\u30a4\u30eb\u3092\u7528\u610f\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3<\/strong>\u2500JSS \u306e\u52d5\u7684\u30b9\u30bf\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u306e\u5e45\u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u3066\u7279\u5b9a\u306e\u30d6\u30ec\u30a4\u30af\u30dd\u30a4\u30f3\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5b9a\u7fa9\u3057\u3001\u753b\u9762\u30b5\u30a4\u30ba\u306b\u57fa\u3065\u3044\u3066\u6761\u4ef6\u4ed8\u304d\u3067\u9069\u7528\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>JSS\u3068\u30c6\u30fc\u30de\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u30c6\u30fc\u30de\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u3067\u4e00\u8cab\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002JSS\u3067\u306e\u30c6\u30fc\u30de\u4f5c\u6210\u306f\u7c21\u5358\u3067\u3059\u3002\u8272\u3001\u30bf\u30a4\u30dd\u30b0\u30e9\u30d5\u30a3\u3001\u7a7a\u767d\u306a\u3069\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30b9\u30bf\u30a4\u30eb\u5024\u3092\u6301\u3064\u30c6\u30fc\u30de\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-js\">const theme = {\n      colors: {\n            primary: '#007bff',\n            secondary: '#6c757d',\n            light: '#f8f9fa',\n            dark: '#343a40',\n       },\n       typography: {\n             fontFamily: 'Helvetica, Arial, sans-serif',\n             fontSize: '16px',\n             fontWeight: 'normal',\n       },\n       spacing: {\n             small: '16px',\n             medium: '24px',\n             large: '32px',\n       },\n};<\/code><\/pre>\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c6\u30fc\u30de\u3092\u9069\u7528\u3059\u308b\u306b\u306f\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002JSS\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u306f\u3001\u30c6\u30fc\u30de\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30e9\u30c3\u30d7\u3067\u304d\u308b<code>ThemeProvider<\/code>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306e\u4f8b\u3067\u306f\u3001<code>Button<\/code>\u3092<code>ThemeProvider<\/code>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u30e9\u30c3\u30d7\u3057\u3001<code>theme<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092props\u3068\u3057\u3066\u6e21\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">import { ThemeProvider } from \"react-jss\";\nconst App = () =&gt; (\n      &lt;ThemeProvider theme={theme}&gt;\n            &lt;Button \/&gt;\n      &lt;\/ThemeProvider&gt;\n)<\/code><\/pre>\n<p><code>useTheme()<\/code>\u30d5\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066<code>Button<\/code>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c6\u30fc\u30de\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001<code>useStyles<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u6e21\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001theme\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u30d7\u30e9\u30a4\u30de\u30ea\u30dc\u30bf\u30f3\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">import { useTheme } from \u201creact-jss\u201d\n\nconst useStyles = createUseStyles({\n  primaryButton: {\n    background: ({ theme }) =&gt; theme.colors.primary,\n    font: ({ theme }) =&gt; theme.typography.fontFamily,\n    fontSize: ({ theme }) =&gt; theme.typography.fontSize,\n    padding: ({ theme }) =&gt; theme.spacing.medium\n  }\n});\n\nconst Button = () =&gt; {\n      const theme = useTheme()\n      const classes = useStyles({theme})\n      return (\n            &lt;div&gt;\n              &lt;button className={classes.primaryButton}&gt; Primary Button &lt;\/button&gt;\n            &lt;\/div&gt;\n\n      )\n}<\/code><\/pre>\n<p>\u30dc\u30bf\u30f3\u306f\u4e0b\u306e\u753b\u50cf\u306e\u3088\u3046\u306b\u306a\u308a\u3001\u9577\u65b9\u5f62\u306e\u9752\u3044\u30dc\u30bf\u30f3\u306b\u9ed2\u3044\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1823px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/10\/image3.png\" alt=\"A primary button style based on the theme.\" width=\"1823\" height=\"194\"><figcaption class=\"wp-caption-text\">\u30c6\u30fc\u30de\u306b\u57fa\u3065\u304f\u30e1\u30a4\u30f3\u306e\u30dc\u30bf\u30f3\u306e\u30b9\u30bf\u30a4\u30eb\u8abf\u6574<\/figcaption><\/figure>\n<p>theme\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5024\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u81ea\u52d5\u7684\u306b\u65b0\u3057\u3044\u30b9\u30bf\u30a4\u30eb\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u3001<code>ThemeProvider<\/code>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u30e9\u30c3\u30d7\u3057\u305f\u3059\u3079\u3066\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u539f\u8272\u306e\u5024\u3092<code>lightgreen<\/code>\u306b\u5909\u66f4\u3059\u308b\u3068\u3001\u4e0b\u306e\u753b\u50cf\u306e\u3088\u3046\u306b\u30dc\u30bf\u30f3\u306e\u8272\u3082\u9ec4\u7dd1\u8272\u306b\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1744px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/10\/image2.png\" alt=\"A primary button color adapts to the theme.\" width=\"1744\" height=\"191\"><figcaption class=\"wp-caption-text\">\u30e1\u30a4\u30f3\u306e\u30dc\u30bf\u30f3\u306e\u8272\u304c\u30c6\u30fc\u30de\u306b\u5fdc\u3058\u3066\u5909\u5316<\/figcaption><\/figure>\n<p>\u30c6\u30fc\u30de\u3092\u4f5c\u6210\u3059\u308b\u969b\u306e\u6307\u6a19\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30b3\u30fc\u30c9\u3092\u6574\u7406\u3057\u3066\u4fdd\u5b88\u3057\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\u3001\u30c6\u30fc\u30de\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3059\u308b<\/li>\n<li>\u30b9\u30bf\u30a4\u30eb\u5024\u306b\u306f\u8aac\u660e\u7684\u306a\u540d\u524d\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c6\u30fc\u30de\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8aad\u307f\u3084\u3059\u304f\u3001\u66f4\u65b0\u3057\u3084\u3059\u304f\u3059\u308b<\/li>\n<li>CSS\u5909\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001CSS\u5168\u4f53\u3067\u3088\u304f\u4f7f\u7528\u3059\u308b\u5024\u3092\u5b9a\u7fa9\u3059\u308b<\/li>\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u3067\u4e00\u8cab\u3057\u305f\u30c7\u30b6\u30a4\u30f3\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u3059\u3079\u3066\u306e\u30b9\u30bf\u30a4\u30eb\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u7528\u610f\u3059\u308b<\/li>\n<li>\u30c6\u30fc\u30de\u3092\u5fb9\u5e95\u7684\u306b\u30c6\u30b9\u30c8\u3057\u3001\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u3068\u30d6\u30e9\u30a6\u30b6\u3067\u610f\u56f3\u3057\u305f\u3068\u304a\u308a\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u4f7f\u3044\u3084\u3059\u304f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6210\u9577\u306b\u5408\u308f\u305b\u3066\u66f4\u65b0\u3057\u3084\u3059\u3044\u30c6\u30fc\u30de\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6700\u9069\u5316<\/h2>\n<p>JSS\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9762\u3067\u512a\u308c\u305f\u30b9\u30bf\u30a4\u30eb\u8a2d\u5b9a\u306e\u4e00\u624b\u6cd5\u3067\u3059\u3002JSS\u3067\u306f\u3001\u753b\u9762\u4e0a\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30b9\u30bf\u30a4\u30eb\u3060\u3051\u304cDocument Object Model (DOM) \u306b\u8ffd\u52a0\u3055\u308c\u308b\u305f\u3081\u3001DOM\u30b5\u30a4\u30ba\u7e2e\u5c0f\u304c\u5b9f\u73fe\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u7d20\u65e9\u304f\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001JSS\u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u305f\u3081\u3001CSS\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u4e00\u5ea6\u3060\u3051\u3068\u306a\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u3055\u3089\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u306b\u306f <a href=\"https:\/\/github.com\/cssinjs\/jss\/tree\/master\/packages\/react-jss\" target=\"_blank\" rel=\"noopener noreferrer\"><code>react-jss<\/code><\/a>\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4ee3\u308f\u308a\u306b<a href=\"https:\/\/github.com\/cssinjs\"><code>JSS<\/code><\/a>\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<code>react-jss<\/code>\u3067\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u306b\u969b\u3057\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u304c\u524a\u9664\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u91cd\u8981\u306aCSS\u62bd\u51fa\u3092\u51e6\u7406\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u5f8c\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u306e\u307f\u30b9\u30bf\u30a4\u30eb\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001<code>react-jss<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u3088\u308aCSS\u30d0\u30f3\u30c9\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3057\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>CSS\u30d0\u30f3\u30c9\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u3055\u3089\u306b\u5c0f\u3055\u304f\u3059\u308b\u306b\u306f\u3001\u30b3\u30fc\u30c9\u3092\u5206\u5272\u3057\u3001\u7279\u5b9a\u306e\u30da\u30fc\u30b8\u307e\u305f\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5fc5\u8981\u3068\u3059\u308bCSS\u3060\u3051\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<code>loadable-components<\/code>\u306e\u3088\u3046\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3046\u3068\u3001\u30b3\u30fc\u30c9\u5206\u5272\u304c\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>JSS\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067CSS\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002JSS\u306e<code>StyleSheet<\/code>\u30ec\u30b8\u30b9\u30c8\u30ea\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001CSS\u3092\u96c6\u7d04\u3057\u3066\u6587\u5b57\u5217\u5316\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068CSS\u6587\u5b57\u5217\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8d77\u52d5\u3057\u305f\u5f8c\u306f\u3001\u9759\u7684\u306aCSS\u306f\u4e0d\u8981\u306b\u306a\u308b\u306e\u3067\u3001\u524a\u9664\u3057\u3066\u30d0\u30f3\u30c9\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>JSS\u69cb\u6587\u306e\u57fa\u672c\u3001\u30b9\u30bf\u30a4\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u9069\u7528\u3059\u308b\u65b9\u6cd5\u3001\u304a\u3088\u3073\u52d5\u7684\u30b9\u30bf\u30a4\u30eb\u3092\u5b9a\u7fa9\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001<code>ThemeProvider<\/code>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30c6\u30fc\u30de\u3092\u9069\u7528\u3057\u3001JSS\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5f15\u304d\u4e0a\u3052\u308b\u65b9\u6cd5\u3082\u3054\u7406\u89e3\u3044\u305f\u3060\u3051\u305f\u3068\u601d\u3044\u307e\u3059\u3002\u3053\u308c\u3067\u3001JSS\u3092\u4f7f\u7528\u3057\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u6761\u4ef6\u306b\u9069\u5fdc\u3059\u308b\u3001\u518d\u5229\u7528\u53ef\u80fd\u304b\u3064\u4fdd\u5b88\u3057\u3084\u3059\u3044\u52d5\u7684\u30b9\u30bf\u30a4\u30eb\u306e\u6d3b\u7528\u304c\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u898b\u305f\u76ee\u3092\u5b9a\u7fa9\u3057\u3001\u307e\u3068\u307e &#8230;<\/p>\n","protected":false},"author":290,"featured_media":51087,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[778,802],"class_list":["post-51086","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-javascript-tutorials","topic-react"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>JSS\u3067React\u30b5\u30a4\u30c8\u3092\u52d5\u7684\u304b\u3064\u304a\u3057\u3083\u308c\u306b\u88c5\u98fe\u3059\u308b\u65b9\u6cd5\uff5cKinsta\u00ae<\/title>\n<meta name=\"description\" content=\"JSS\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u304b\u3001\u305d\u306e\u5229\u70b9\u3001JSS\u3092\u4f7f\u7528\u3057\u305fReact\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\u65b9\u6cd5\u3001JavaScript\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinqsta.com\/jp\/blog\/jss\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JSS\u3067React\u30b5\u30a4\u30c8\u3092\u52d5\u7684\u304b\u3064\u304a\u3057\u3083\u308c\u306b\u88c5\u98fe\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"JSS\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u304b\u3001\u305d\u306e\u5229\u70b9\u3001JSS\u3092\u4f7f\u7528\u3057\u305fReact\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\u65b9\u6cd5\u3001JavaScript\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kinqsta.com\/jp\/blog\/jss\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-16T18:36:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-01T19:45:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kinqsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/10\/jss.jpg\" \/>\n\t<meta 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