{"id":6797,"date":"2024-10-08T07:49:18","date_gmt":"2024-10-08T07:49:18","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=6797"},"modified":"2026-08-17T15:34:19","modified_gmt":"2026-08-17T15:34:19","slug":"css-animation-rotation","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/css-animation-rotation\/","title":{"rendered":"CSS\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u56de\u8ee2\u3092\u5b8c\u5168\u30ac\u30a4\u30c9|\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067"},"content":{"rendered":"\n<!-- withmedia-ketsuron -->\n<h2 class=\"wp-block-heading\">\u3053\u306e\u8a18\u4e8b\u306e\u7d50\u8ad6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CSS\u306e\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u3001@keyframes\u30670\u5ea6\u304b\u3089360\u5ea6\u3078\u306e\u5909\u5316\u3092\u5b9a\u7fa9\u3057\u3001animation\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u8981\u7d20\u306b\u9069\u7528\u3059\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u3002JavaScript\u4e0d\u8981\u3067CSS\u306e\u307f\u3067\u5b9f\u88c5\u3067\u304d\u3001rotateX\u30fbrotateY\u306b\u3088\u308b\u8ef8\u56de\u8ee2\u3001\u30db\u30d0\u30fc\u6642\u3084\u30af\u30ea\u30c3\u30af\u6642\u306e\u56de\u8ee2\u3001rotate3d\u3068preserve-3d\u3092\u4f7f\u3063\u305f3D\u56de\u8ee2\u3001animation-delay\u3092\u4f7f\u3063\u305f\u8907\u6570\u8981\u7d20\u306e\u9023\u7d9a\u56de\u8ee2\u306a\u3069\u3001\u591a\u5f69\u306a\u5fdc\u7528\u304c\u53ef\u80fd\u3067\u3059\u3002linear\u3067\u4e00\u5b9a\u901f\u5ea6\u3001infinite\u3067\u7121\u9650\u30eb\u30fc\u30d7\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.00.55.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>CSS\u306e\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f<br>\u3069\u3046\u3084\u3063\u3066\u5b9f\u88c5\u3059\u308c\u3070\u826f\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.08.37.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u4eca\u304b\u3089\u8a73\u3057\u304f\u89e3\u8aac\u3059\u308b\u304b\u3089\u3088\u30fc\u304f\u805e\u304f\u3093\u3060\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u306f\u3044\uff01\u304a\u9858\u3044\u3057\u307e\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">CSS\u306e\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u3001Web\u30da\u30fc\u30b8\u3084\u30a2\u30d7\u30ea\u306e\u30c7\u30b6\u30a4\u30f3\u306b\u52d5\u304d\u3092\u52a0\u3048\u3066\u9b45\u529b\u7684\u306b\u898b\u305b\u305f\u3044\u5834\u5408\u306b\u975e\u5e38\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3067\u306f\u3001CSS\u3092\u4f7f\u3063\u3066\u8981\u7d20\u3092\u6ed1\u3089\u304b\u306b\u56de\u8ee2\u3055\u305b\u308b\u65b9\u6cd5\u3084\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u5fdc\u7528\u65b9\u6cd5\u307e\u3067\u3001\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CSS\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u3088\u308a\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f<a href=\"https:\/\/developer.mozilla.org\/ja\/docs\/Web\/CSS\/CSS_animations\/Using_CSS_animations\" title=\"\">\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/developer.mozilla.org\/ja\/docs\/Web\/CSS\/CSS_animations\/Using_CSS_animations\n<\/div><\/figure>\n\n\n\n<p class=\"is-style-icon_announce wp-block-paragraph\">\u300c\u5b66\u7fd2\u2192\u53ce\u5165\u300d\u306b\u3064\u306a\u3052\u305f\u53d7\u8b1b\u751f\u306e\u30ea\u30a2\u30eb\u306a\u4f53\u9a13\u8ac7\u3082\u516c\u958b\u4e2d\uff01<br>\u50cd\u304d\u65b9\u3092\u5909\u3048\u305f\u3044\u65b9\u306b\u3082\u97ff\u304f\u30b9\u30c8\u30fc\u30ea\u30fc\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_info wp-block-paragraph\"><strong>\u5800\u3055\u3093<\/strong><br>\u50cd\u304f\u5834\u6240\u3084\u6642\u9593\u306b\u7e1b\u3089\u308c\u306a\u3044\u751f\u6d3b\u3092\u9001\u308a\u305f\u3044\u3068\u8003\u3048\u3001\u72ec\u5b66\u3067\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u3092\u958b\u59cb\u3059\u308b\u3082\u30ec\u30d9\u30eb\u306e\u5dee\u3092\u611f\u3058\u3001WithCode\u306b\u5165\u4f1a\u3055\u308c\u307e\u3057\u305f\u3002\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u3092\u9032\u3081\u305f\u7d50\u679c\u3001\u898b\u4e8b\u5352\u696d\u30c6\u30b9\u30c8\u3092\u5408\u683c\u3057\u3001\u73fe\u5728\u306f\u3001WithCode Platinum\u3067\u526f\u696d\u3068\u3057\u3066\u6848\u4ef6\u3092\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a73\u3057\u304f\u306f<a href=\"https:\/\/withcode.tech\/media\/interview-6\/\" title=\"\u3010\u526f\u696d\u521d\u5fc3\u8005\u5fc5\u898b\u3011\u300c\u67085\u4e07\u5186\u300d\u3092\u6700\u901f\u3067\u9054\u6210\uff01\u4f1a\u793e\u54e1\u3092\u8f9e\u3081\u3001\u5b8c\u5168\u306b\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3078\u8ee2\u5411\uff01\uff1f\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc-9-1.png\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/withcode.tech\/media\/interview-6\/\">\u3010\u526f\u696d\u521d\u5fc3\u8005\u5fc5\u898b\u3011\u300c\u67085\u4e07\u5186\u300d\u3092\u6700\u901f\u3067\u9054\u6210\uff01\u4f1a\u793e\u54e1\u3092\u8f9e\u3081\u3001\u5b8c\u5168\u306b\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3078\u8ee2\u5411\uff01\uff1f<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u30da\u30f3\u535a\u58eb\uff01\u6700\u8fd1\u3001\u300c\u526f\u696d\u3067\u67085\u4e07\u5186\u300d\u3063\u3066\u3088\u304f\u805e\u304f\u3093\u3067\u3059\u3051\u3069\u3001\u672c\u5f53\u306b\u305d\u3093\u306a\u306b\u65e9\u304f\u9054\u6210\u3067\u304d\u308b\u3082\u3093\u306a\u3093\u3067\u3059\u304b\uff1f \u826f\u3044\u8cea\u554f\u3058\u3083\u306a\u3002\u5b9f\u306f\u306a\u3001\u30ef\u30b7\u306e\u30b9\u30af\u30fc\u30eb\u306b\u901a\u3063\u3066\u3044\u305f\u53d7\u8b1b&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<p class=\"has-text-align-left is-style-balloon_box2 wp-block-paragraph\"><strong>\u5800\u3055\u3093\u306e\u4e3b\u306a\u5236\u4f5c\u5b9f\u7e3e\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u65b0\u898f\u9867\u5ba2\u7372\u5f97\u3092\u76ee\u7684\u3068\u3057\u305fLP\u5236\u4f5c<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-23-14.44.18.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/withcode.tech\/works\/coo_1\/\" target=\"_blank\" rel=\"noopener noreferrer\">COO\u682a\u5f0f\u4f1a\u793e \u69d8<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u65b0\u898f\u9867\u5ba2\u7372\u5f97\u3092\u76ee\u7684\u3068\u3057\u305fLP\u5236\u4f5c<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-23-14.45.03.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/withcode.tech\/works\/coo_2\/\" target=\"_blank\" rel=\"noopener noreferrer\">COO\u682a\u5f0f\u4f1a\u793e \u69d8<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u5275\u696d\u6642\u306e\u65b0\u898fHP\u5236\u4f5c<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-23-14.45.59.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/withcode.tech\/works\/necklace\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u682a\u5f0f\u4f1a\u793e\u30cd\u30c3\u30af\u30ec\u30b9 \u69d8<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<!-- roam:v1 -->\n<p class=\"wp-block-paragraph\">\u56de\u8ee2\u4ee5\u5916\u306e\u52d5\u304d\u3082\u4f5c\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/withcode.tech\/media\/css-keyframes-animation\/\">@keyframes\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u5168\u822c<\/a>\u3084<a href=\"https:\/\/withcode.tech\/media\/css-transition\/\">transition\u3067\u306a\u3081\u3089\u304b\u306b\u52d5\u304b\u3059\u65b9\u6cd5<\/a>\u3082\u3069\u3046\u305e\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">CSS\u3067\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u30463\u3064\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3063\u3066\u9b45\u529b\u7684\u3067\u3059\u3088\u306d\uff01<br>\u3069\u3093\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u3093\u3067\u3059\u304b\uff1f<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.12.07.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u826f\u3044\u8cea\u554f\u3058\u3083\uff01<br>\u4eca\u304b\u3089\u8aac\u660e\u3059\u308b\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;\u56de\u8ee2\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u76ee\u3092\u60f9\u304d\u3064\u3051\u3084\u3059\u304f\u3001\u9b45\u529b\u306e\u3042\u308bWeb\u30b5\u30a4\u30c8\u304c\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;\u307e\u305f\u3001CSS\u306e\u307f\u3067\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u88c5\u53ef\u80fd\u306a\u306e\u3067\u3001\u8907\u96d1\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u4ed6\u306eCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3055\u3089\u306b\u591a\u69d8\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u52b9\u679c\u3092\u4f5c\u308c\u308b\u306e\u3067\u3001\u30e6\u30cb\u30fc\u30af\u306aWeb\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u305d\u3046\u306a\u3093\u3067\u3059\u306d\uff01\u5b9f\u88c5\u3057\u3066\u307f\u305f\u3044\u3067\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.08.37.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u3044\u3044\u305e\uff01\u4eca\u304b\u3089\u305d\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u8aac\u660e\u3059\u308b\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\">CSS\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u56de\u8ee2\u306e\u5b9f\u88c5\u65b9\u6cd5|rotate\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30a2\u30bb\u30c3\u30c8-6@4x-2.png\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>CSS\u306e\u4e3b\u306a\u56de\u8ee2\u65b9\u6cd5\u306f\u3001`@keyframes`\u3092\u4f7f\u3063\u3066\u3001<\/strong><br><strong>\u8981\u7d20\u3092360\u5ea6\u56de\u8ee2\u3055\u305b\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u65b9\u6cd5\u3058\u3083<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>@keyframes rotateAnimation {\n  from {\n    transform: rotate(0deg);\n  }\n  to {\n    transform: rotate(360deg);\n  }\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">@keyframes rotateAnimation\u306f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9\u3067\u3001from\u30b9\u30c6\u30c3\u30d7\u30670\u5ea6\uff08\u521d\u671f\u72b6\u614b\uff09\u304b\u3089\u3001to\u30b9\u30c6\u30c3\u30d7\u3067360\u5ea6\u56de\u8ee2\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u3046\u3068\u3001\u8981\u7d20\u304c\u7121\u9650\u306b\u30b9\u30e0\u30fc\u30ba\u306b\u56de\u8ee2\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b<\/h4>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"ZEgbxZW\" data-pen-title=\"Untitled\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/ZEgbxZW\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/cpwebassets.codepen.io\/assets\/embed\/ei.js\"><\/script>\n\n\n\n<p class=\"wp-block-paragraph\">rotate \u30af\u30e9\u30b9\u306f\u3001\u56de\u8ee2\u3055\u305b\u305f\u3044\u8981\u7d20\u306b\u9069\u7528\u3057\u307e\u3059\u3002animation\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3001rotateAnimation\u3068\u3044\u3046\u540d\u524d\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u30925\u79d2\u9593\u306e\u5468\u671f\u3067\u7121\u9650\u306b\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002linear\u306f\u4e00\u5b9a\u901f\u5ea6\u3067\u56de\u8ee2\u3055\u305b\u308b\u305f\u3081\u306e\u6307\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5fdc\u7528\u3057\u305f5\u3064\u306e\u5b9f\u88c5\u4f8b<\/h2>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.11.23.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>CSS\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u56de\u8ee2\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u5fdc\u7528\u304c\u53ef\u80fd\u3058\u3083\u3002<br>\u4ee5\u4e0b\u306b\u3044\u304f\u3064\u304b\u306e\u5fdc\u7528\u4f8b\u3068\u3001\u305d\u308c\u305e\u308c\u306e\u5b9f\u88c5\u30b3\u30fc\u30c9\u3092\u7d39\u4ecb\u3059\u308b\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">X\u8ef8\u306e\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u7d20\u304cX\u8ef8\u3092\u4e2d\u5fc3\u306b\u56de\u8ee2\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"WbewmQm\" data-pen-title=\"Untitled\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/WbewmQm\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/cpwebassets.codepen.io\/assets\/embed\/ei.js\"><\/script>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><code>@keyframes<\/code> \u30eb\u30fc\u30eb<\/strong>\u3092\u4f7f\u3063\u3066\u3001\u56de\u8ee2\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<code>rotateX<\/code> \u30d7\u30ed\u30d1\u30c6\u30a3\u3067X\u8ef8\u3092\u4e2d\u5fc3\u306b\u56de\u8ee2\u3092\u6307\u5b9a\u3057\u3001<code>0%<\/code> \u306f\u56de\u8ee2\u524d\u3001<code>50%<\/code> \u306f180\u5ea6\u56de\u8ee2\u3001<code>100%<\/code> \u306f1\u56de\u8ee2\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><code>animation<\/code> \u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u3067\u3001\u8981\u7d20\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u9069\u7528\u3057\u3001<code>2s infinite linear<\/code> \u306f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u6642\u9593\u3001\u7121\u9650\u30eb\u30fc\u30d7\u3001\u4e00\u5b9a\u901f\u5ea6\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Y\u8ef8\u306e\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d9a\u3044\u3066\u3001\u8981\u7d20\u304cY\u8ef8\u3092\u4e2d\u5fc3\u306b\u56de\u8ee2\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"QwLNoER\" data-pen-title=\"Untitled\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/QwLNoER\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/cpwebassets.codepen.io\/assets\/embed\/ei.js\"><\/script>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><code>@keyframes<\/code> \u30eb\u30fc\u30eb<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u3001Y\u8ef8\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>rotateY<\/code> \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066Y\u8ef8\u56de\u8ee2\u3092\u6307\u5b9a\u3057\u3001<code>0%<\/code> \u306f\u56de\u8ee2\u958b\u59cb\u4f4d\u7f6e\u3001<code>50%<\/code> \u306f180\u5ea6\u56de\u8ee2\u3001<code>100%<\/code> \u306f1\u56de\u8ee2\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><code>animation<\/code> \u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u9069\u7528\u3057\u3001<code>2s infinite linear<\/code> \u306f\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u6301\u7d9a\u6642\u9593\u3001\u7121\u9650\u30eb\u30fc\u30d7\u3001\u4e00\u5b9a\u901f\u5ea6\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30db\u30d0\u30fc\u6642\u306b\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30db\u30d0\u30fc\uff08\u30de\u30a6\u30b9\u30aa\u30fc\u30d0\u30fc\uff09\u3057\u305f\u3068\u304d\u306b\u56de\u8ee2\u3055\u305b\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u884c\u3063\u305f\u969b\u306b\u56de\u8ee2\u3059\u308b\u3053\u3068\u3067\u3001\u30dc\u30bf\u30f3\u3084\u30ed\u30b4\u306a\u3069\u306b\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306a\u52b9\u679c\u3092\u52a0\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b<\/h4>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"LYwpdKe\" data-pen-title=\"Untitled\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/LYwpdKe\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/cpwebassets.codepen.io\/assets\/embed\/ei.js\"><\/script>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HTML\u90e8\u5206<\/strong>\u3067\u306f\u3001<code>&lt;div class=\"rotate-box\"&gt;<\/code> \u3068\u3044\u3046\u8981\u7d20\u3092\u5b9a\u7fa9\u3057\u3001\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u9069\u7528\u3059\u308b\u305f\u3081\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CSS\u90e8\u5206<\/strong>\u3067\u306f\u3001<code>@keyframes<\/code> \u3092\u4f7f\u3063\u3066\u3001<code>rotateAnimation<\/code> \u3068\u3044\u3046\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\u3057\u3001\u3053\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f0\u5ea6\u304b\u3089360\u5ea6\u307e\u3067\u56de\u8ee2\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>.rotate-box<\/code> \u30af\u30e9\u30b9\u306b\u5bfe\u3057\u3066\u3001<code>animation<\/code> \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u9069\u7528\u3057\u30015\u79d2\u3054\u3068\u306b\u7121\u9650\u30eb\u30fc\u30d7\u3067\u56de\u8ee2\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8981\u7d20\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u6642\u306b1\u56de\u3060\u3051\u56de\u8ee2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b1\u5ea6\u3060\u3051\u56de\u8ee2\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u30af\u30ea\u30c3\u30af\u3057\u305f\u969b\u306b\u30dc\u30bf\u30f3\u3084\u30a2\u30a4\u30b3\u30f3\u304c\u4e00\u77ac\u56de\u8ee2\u3059\u308b\u52b9\u679c\u3092\u4f5c\u308a\u51fa\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b<\/h4>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"KKOdRpd\" data-pen-title=\"Untitled\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/KKOdRpd\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/cpwebassets.codepen.io\/assets\/embed\/ei.js\"><\/script>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HTML\u90e8\u5206<\/strong>\u3067\u306f\u3001\u96a0\u3055\u308c\u305f<code>&lt;input type=\"checkbox\"&gt;<\/code>\u8981\u7d20\u3068\u3001\u305d\u308c\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f<code>&lt;label&gt;<\/code>\u8981\u7d20\u3092\u4f7f\u7528\u3057\u3001<code>label<\/code>\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001<code>checkbox<\/code>\u304c\u30c8\u30b0\u30eb\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CSS\u90e8\u5206<\/strong>\u3067\u306f\u3001<code>checkbox<\/code>\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u3001\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c<code>label<\/code>\uff08<code>.rotate-box<\/code>\uff09\u306b\u9069\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f1\u79d2\u3067\u5b8c\u4e86\u3057\u3001<code>forwards<\/code>\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u7d42\u4e86\u6642\u306b\u305d\u306e\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>#rotateToggle:checked + .rotate-box<\/code> \u3067\u3001<code>checkbox<\/code>\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3D\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2D\u56de\u8ee2\u3067\u306f\u306a\u304f\u30013D\u7a7a\u9593\u3067\u8981\u7d20\u3092\u56de\u8ee2\u3055\u305b\u308b\u4f8b\u3067\u3059\u3002\u5965\u884c\u304d\u611f\u3092\u51fa\u3057\u3001\u3088\u308a\u7acb\u4f53\u7684\u306a\u52b9\u679c\u3092\u4f5c\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b<\/h4>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"VwojyQr\" data-pen-title=\"Untitled\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/VwojyQr\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/cpwebassets.codepen.io\/assets\/embed\/ei.js\"><\/script>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HTML\u90e8\u5206<\/strong>\u3067\u306f\u3001<code>&lt;div class=\"rotate-box\"&gt;<\/code>\u3068\u3044\u3046\u8981\u7d20\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8981\u7d20\u304c3D\u56de\u8ee2\u306e\u5bfe\u8c61\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CSS\u90e8\u5206<\/strong>\u3067\u306f\u3001<code>@keyframes rotateAnimation<\/code>\u3092\u4f7f\u7528\u3057\u3066\u3001X\u8ef8\u3068Y\u8ef8\u3092\u4e2d\u5fc3\u306b\u3057\u305f3D\u56de\u8ee2\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>rotate3d(1, 1, 0, 360deg)<\/code> \u306f\u3001X\u8ef8\u3068Y\u8ef8\u306b\u6cbf\u3063\u305f3D\u56de\u8ee2\u3092\u8868\u3057\u3001<code>animation<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c3\u79d2\u304b\u3051\u3066\u7121\u9650\u306b\u7e70\u308a\u8fd4\u3055\u308c\u308b\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001<code>transform-style: preserve-3d<\/code> \u306b\u3088\u308a\u3001\u8981\u7d20\u304c3D\u7a7a\u9593\u5185\u3067\u56de\u8ee2\u3059\u308b\u3088\u3046\u306b\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8907\u6570\u306e\u8981\u7d20\u304c\u9023\u7d9a\u3057\u3066\u56de\u8ee2\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u6570\u306e\u8981\u7d20\u304c\u9806\u756a\u306b\u56de\u8ee2\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u753b\u9762\u3084\u76ee\u3092\u5f15\u304f\u30c7\u30b6\u30a4\u30f3\u8981\u7d20\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b<\/h4>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"html,result\" data-slug-hash=\"VwovxjG\" data-pen-title=\"Untitled\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/VwovxjG\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/cpwebassets.codepen.io\/assets\/embed\/ei.js\"><\/script>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HTML\u90e8\u5206<\/strong>\u3067\u306f\u3001<code>&lt;div class=\"rotate-box\"&gt;&lt;\/div&gt;<\/code>\u30923\u3064\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u304c\u56de\u8ee2\u3059\u308b\u5bfe\u8c61\u306e\u8981\u7d20\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CSS\u90e8\u5206<\/strong>\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066<code>rotateAnimation<\/code>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u30923\u79d2\u3067\u7121\u9650\u306b\u7e70\u308a\u8fd4\u3059\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u756a\u76ee\u306e\u8981\u7d20\u306b\u306f<code>0.5\u79d2<\/code>\u306e\u9045\u5ef6\u30013\u756a\u76ee\u306e\u8981\u7d20\u306b\u306f<code>1\u79d2<\/code>\u306e\u9045\u5ef6\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u304c\u3001\u5404\u8981\u7d20\u304c\u9806\u756a\u306b\u56de\u8ee2\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001<code>nth-child(2)<\/code>\u3068<code>nth-child(3)<\/code>\u30672\u756a\u76ee\u30683\u756a\u76ee\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u7570\u306a\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u9045\u5ef6\u6642\u9593\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.12.07.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u3053\u308c\u3089\u3092\u899a\u3048\u3066\u304a\u3051\u3070\u5927\u4e08\u592b\u3058\u3083\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.06.05.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\uff01\u52c9\u5f37\u306b\u306a\u308a\u307e\u3057\u305f\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u30102026\u5e74\u6700\u65b0\u3011\u30b9\u30af\u30ed\u30fc\u30eb\u99c6\u52d5\uff06@property\u3067\u4f5c\u308b\u6b21\u4e16\u4ee3\u306e\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/h2>\n\n<p class=\"wp-block-paragraph\">\u5f93\u6765\u306e <code>@keyframes<\/code> \uff0b <code>animation<\/code> \u306b\u52a0\u3048\u30012024\u5e74\u4ee5\u964d\u306e\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u3067\u306f<strong><span class=\"swl-marker mark_yellow\">\u30b9\u30af\u30ed\u30fc\u30eb\u306b\u9023\u52d5\u3057\u3066\u56de\u8ee2\u3055\u305b\u308b CSS \u30b9\u30af\u30ed\u30fc\u30eb\u99c6\u52d5\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/span><\/strong>\u3084\u3001<code>@property<\/code> \u306b\u3088\u308b\u6ed1\u3089\u304b\u306a\u89d2\u5ea6\u88dc\u9593\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002JavaScript\u306a\u3057\u3067\u3001\u3088\u308a\u8868\u73fe\u529b\u306e\u9ad8\u3044\u56de\u8ee2\u304c\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<h3 class=\"wp-block-heading\">scroll() \u3067\u30b9\u30af\u30ed\u30fc\u30eb\u91cf\u306b\u5408\u308f\u305b\u3066\u56de\u8ee2\u3055\u305b\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\"><code>animation-timeline: scroll()<\/code> \u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u6642\u9593\u3067\u306f\u306a\u304f<strong>\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u306b\u5fdc\u3058\u3066\u56de\u8ee2<\/strong>\u3057\u307e\u3059\u3002\u8aad\u307f\u9032\u3081\u308b\u307b\u3069\u30a2\u30a4\u30b3\u30f3\u3084\u88c5\u98fe\u304c\u304f\u308b\u304f\u308b\u56de\u308b\u3001\u3068\u3044\u3063\u305f\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u6f14\u51fa\u3092CSS\u3060\u3051\u3067\u4f5c\u308c\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.scroll-rotate {\n  animation: spin linear both;\n  animation-timeline: scroll(root block); \/* \u30da\u30fc\u30b8\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u306b\u9023\u52d5 *\/\n}\n\n@keyframes spin {\n  from { transform: rotate(0deg); }\n  to   { transform: rotate(360deg); }\n}<\/code><\/pre><\/div>\n\n<h3 class=\"wp-block-heading\">@property \u3067\u89d2\u5ea6\u3092\u306a\u3081\u3089\u304b\u306b\u88dc\u9593\u3059\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38 <code>transform<\/code> \u306e\u9014\u4e2d\u5024\u306f\u30d6\u30e9\u30a6\u30b6\u304c\u88dc\u9593\u3057\u307e\u3059\u304c\u3001<strong>\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u89d2\u5ea6<\/strong>\u306a\u3069 custom property \u3092\u76f4\u63a5\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3055\u305b\u305f\u3044\u5834\u5408\u3001<code>@property<\/code> \u3067\u578b\u3092 <code>&lt;angle&gt;<\/code> \u3068\u5ba3\u8a00\u3059\u308b\u3068\u3001\u30ab\u30af\u3064\u304b\u305a\u6ed1\u3089\u304b\u306b\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>@property --angle {\n  syntax: \"&lt;angle&gt;\";\n  initial-value: 0deg;\n  inherits: false;\n}\n\n.gradient-ring {\n  background: conic-gradient(from var(--angle), #4a90e2, #a0f, #4a90e2);\n  animation: rotate-hue 4s linear infinite;\n}\n\n@keyframes rotate-hue {\n  to { --angle: 360deg; } \/* @property\u5ba3\u8a00\u3067\u6ed1\u3089\u304b\u306b\u88dc\u9593\u3055\u308c\u308b *\/\n}<\/code><\/pre><\/div>\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">\u52d5\u304d\u3092\u6e1b\u3089\u3059\u8a2d\u5b9a\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u56de\u8ee2\u3092\u6b62\u3081\u308b<\/span><\/strong>\u306e\u3082\u5fd8\u308c\u305a\u306b\u3002<code>@media (prefers-reduced-motion: reduce)<\/code> \u3067 <code>animation: none<\/code> \u3092\u6307\u5b9a\u3059\u308c\u3070\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u3082\u914d\u616e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">CSS\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u56de\u8ee2\u306e\u5b9f\u88c5\u30dd\u30a4\u30f3\u30c8\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u3001CSS\u3067\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u3001Web\u30b5\u30a4\u30c8\u3092\u9b45\u529b\u7684\u306b\u898b\u305b\u308b\u975e\u5e38\u306b\u6709\u52b9\u306a\u65b9\u6cd5\u3067\u3059\u3002\u69d8\u3005\u306a\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u99c6\u4f7f\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u60f9\u304d\u3064\u3051\u308b\u9b45\u529b\u7684\u306aWeb\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-big_icon_point wp-block-paragraph\"><strong>`@keyframes`\u3092\u4f7f\u3063\u305f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong><br><strong>X\u8ef8\u306e\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong><br><strong>Y\u8ef8\u306e\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong><br><strong>\u30db\u30d0\u30fc\u6642\u306b\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong><br><strong>\u8981\u7d20\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u6642\u306b1\u56de\u3060\u3051\u56de\u8ee2<\/strong><br><strong>3D\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong><br><strong>\u8907\u6570\u306e\u8981\u7d20\u304c\u9023\u7d9a\u3057\u3066\u56de\u8ee2\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u975e\u3001\u672c\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305f\u65b9\u6cd5\u3092\u6d3b\u7528\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<!-- withmedia-related -->\n<h2 class=\"wp-block-heading\">\u95a2\u9023\u8a18\u4e8b<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/withcode.tech\/media\/css-painting-api-guide\/\">CSS Painting API\u5b8c\u5168\u30ac\u30a4\u30c9\uff5cHoudini PaintWorklet\u30fb\u30ab\u30b9\u30bf\u30e0\u80cc\u666f\u30fbCSS @property\u30fb\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u30fbSVG\u6bd4\u8f03\u30fbVite\u30d0\u30f3\u30c9\u30eb\u307e\u3067\u5fb9\u5e95\u89e3\u8aac<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/tailwind-css-design-system\/\">\u3010\u5b9f\u8df5\u30ac\u30a4\u30c9\u3011Tailwind CSS\u30c7\u30b6\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0\u904b\u7528\u306e\u5b8c\u5168\u30de\u30cb\u30e5\u30a2\u30eb\uff01\u69cb\u7bc9\u304b\u3089\u904b\u7528\u307e\u3067\u5b9f\u88c5\u4f8b\u3092\u8e0f\u307e\u3048\u3066\u8a73\u3057\u304f\u89e3\u8aac<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-darkmode\/\">CSS\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u5b9f\u88c5\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u8a2d\u8a08\u304b\u3089\u5bfe\u5fdc\u307e\u3067<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-containercueries\/\">CSS\u30b3\u30f3\u30c6\u30ca\u30af\u30a8\u30ea\u5b9f\u88c5\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u5b9f\u6848\u4ef6\u5bfe\u5fdc2026\u5e74\u7248<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/jamstackform-explanation\/\">Jamstack\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u30102026\u5e74\u7248\u3011\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u5b9f\u88c5\u5b8c\u5168\u30ac\u30a4\u30c9<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<!-- withmedia-references -->\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u30ea\u30f3\u30af\uff08\u516c\u5f0f\u30fb\u4e00\u6b21\u60c5\u5831\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/developer.mozilla.org\/ja\/docs\/Web\/CSS\" target=\"_blank\" rel=\"noopener noreferrer\">MDN Web Docs \u2014 CSS<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<!-- withmedia-faq -->\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q1. CSS\u3067\u8981\u7d20\u3092\u56de\u8ee2\u3055\u305b\u308b\u57fa\u672c\u306e\u66f8\u304d\u65b9\u306f\uff1f<\/h3>\n\n\n<p class=\"wp-block-paragraph\"><strong>A.<\/strong> @keyframes\u3092\u4f7f\u3044\u3001from\u30670\u5ea6\u3001to\u3067360\u5ea6\u3068\u5b9a\u7fa9\u3057\u3066\u304b\u3089\u3001animation\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u8981\u7d20\u306b\u9069\u7528\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070animation\u306b\u6642\u9593\u3068\u7121\u9650\u30eb\u30fc\u30d7\u3001linear\uff08\u4e00\u5b9a\u901f\u5ea6\uff09\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u8981\u7d20\u304c\u6ed1\u3089\u304b\u306b\u56de\u308a\u7d9a\u3051\u308b\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. X\u8ef8\u3084Y\u8ef8\u3092\u4e2d\u5fc3\u306b\u56de\u8ee2\u3055\u305b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n<p class=\"wp-block-paragraph\"><strong>A.<\/strong> \u3067\u304d\u307e\u3059\u3002@keyframes\u5185\u3067rotateX\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3048\u3070X\u8ef8\u3092\u4e2d\u5fc3\u306b\u3001rotateY\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3048\u3070Y\u8ef8\u3092\u4e2d\u5fc3\u306b\u56de\u8ee2\u3055\u305b\u3089\u308c\u307e\u3059\u30020%\u3067\u56de\u8ee2\u958b\u59cb\u300150%\u3067180\u5ea6\u3001100%\u30671\u56de\u8ee2\u5b8c\u4e86\u3068\u3044\u3063\u305f\u5f62\u3067\u52d5\u304d\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. \u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u3060\u3051\u56de\u8ee2\u3055\u305b\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304b\uff1f<\/h3>\n\n\n<p class=\"wp-block-paragraph\"><strong>A.<\/strong> \u53ef\u80fd\u3067\u3059\u3002\u96a0\u3057\u305finput type=&#8221;checkbox&#8221;\u3068\u95a2\u9023\u4ed8\u3051\u305flabel\u3092\u4f7f\u3044\u3001checkbox\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u56de\u8ee2\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u9069\u7528\u3055\u308c\u308b\u3088\u3046CSS\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002forwards\u3092\u6307\u5b9a\u3059\u308b\u3068\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u7d42\u4e86\u6642\u306e\u72b6\u614b\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q4. 3D\u56de\u8ee2\u306f\u3069\u3046\u5b9f\u88c5\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n<p class=\"wp-block-paragraph\"><strong>A.<\/strong> @keyframes\u5185\u3067rotate3d(1, 1, 0, 360deg)\u306e\u3088\u3046\u306bX\u8ef8\u3068Y\u8ef8\u306b\u6cbf\u3063\u305f3D\u56de\u8ee2\u3092\u5b9a\u7fa9\u3057\u3001\u8981\u7d20\u306btransform-style: preserve-3d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u5965\u884c\u304d\u611f\u306e\u3042\u308b\u7acb\u4f53\u7684\u306a\u56de\u8ee2\u52b9\u679c\u3092\u4f5c\u308c\u307e\u3059\u3002<\/p>\n\n\n\n\n<h2 class=\"wp-block-heading\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044\uff08\u5b9f\u88c5\u30ac\u30a4\u30c9\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/withcode.tech\/media\/css-z-index\/\">CSS z-index\u3067\u91cd\u306a\u308a\u9806\u3092\u5236\u5fa1\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-overflow\/\">CSS overflow\u3067\u306f\u307f\u51fa\u3057\u30fb\u30b9\u30af\u30ed\u30fc\u30eb\u3092\u5236\u5fa1\u3059\u308b<\/a><\/li>\n<\/ul>\n\n\n\n<!-- addon:newlink-kf-v1 -->\n<p class=\"wp-block-paragraph\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044\uff1a<a href=\"https:\/\/withcode.tech\/media\/css-keyframes-animation\/\">CSS 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