{"id":9747,"date":"2026-06-03T10:38:09","date_gmt":"2026-06-03T01:38:09","guid":{"rendered":"https:\/\/fastcoding.jp\/blog\/?p=9747"},"modified":"2026-06-03T10:38:17","modified_gmt":"2026-06-03T01:38:17","slug":"nextjs-server-actions-form","status":"publish","type":"post","link":"https:\/\/fastcoding.jp\/blog\/all\/frontend\/nextjs-server-actions-form\/","title":{"rendered":"Next.js Server Actions\u3092AI\u99c6\u52d5\u3067\u5b9f\u88c5\u3059\u308b \u2500 \u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u304b\u3089\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u307e\u3067"},"content":{"rendered":"<div class=\"the_content\">\n<p>\u3053\u3093\u306b\u3061\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u72ec\u8eab\u8cb4\u65cfFire\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5148\u65e5\u3001\u30d0\u30a4\u30af\u306e\u30aa\u30a4\u30eb\u4ea4\u63db\u3092\u4e88\u7d04\u3057\u3088\u3046\u3068\u3057\u3066\u3001\u30b7\u30e7\u30c3\u30d7\u306eWeb\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u3057\u3066\u3044\u305f\u3093\u3067\u3059\u3002\u540d\u524d\u3001\u96fb\u8a71\u756a\u53f7\u3001\u8eca\u7a2e\u3001\u5e0c\u671b\u65e5\u6642\u2026\u2026\u5168\u90e8\u5165\u529b\u3057\u3066\u300c\u9001\u4fe1\u300d\u3092\u62bc\u3057\u305f\u3089\u3001\u753b\u9762\u304c\u771f\u3063\u767d\u306b\u306a\u3063\u30663\u79d2\u5f8c\u306b\u300c\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u300d\u3002\u5165\u529b\u5185\u5bb9\u306f\u5168\u90e8\u6d88\u3048\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p><small>\u5fc3\u304c\u6298\u308c\u307e\u3059\u3088\u306d\u3002\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u5f8c\u306e\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3063\u3066\u3001\u958b\u767a\u8005\u306e\u826f\u5fc3\u304c\u8a66\u3055\u308c\u308b\u30dd\u30a4\u30f3\u30c8\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/small><\/p>\n\n\n\n<p>Next.js\u306eServer Actions\u306f\u3001\u3053\u306e\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u3092\u5287\u7684\u306b\u30b7\u30f3\u30d7\u30eb\u306b\u3057\u3066\u304f\u308c\u307e\u3059\u3002API\u30eb\u30fc\u30c8\u3092\u5225\u9014\u4f5c\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u5148\u3092\u30b5\u30fc\u30d0\u30fc\u95a2\u6570\u3068\u3057\u3066\u76f4\u63a5\u66f8\u3051\u308b\u3002\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3082\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u5b8c\u7d50\u3059\u308b\u306e\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306eJS\u30d0\u30f3\u30c9\u30eb\u304c\u8efd\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001Server Actions\u306e\u5b9f\u88c5\u306b\u306f\u300cZod\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u300d\u300c\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u300d\u300c\u697d\u89b3\u7684UI\u66f4\u65b0\u300d\u306a\u3069\u3001\u7d44\u307f\u5408\u308f\u305b\u308b\u3079\u304d\u6280\u8853\u304c\u591a\u3044\u3002\u3053\u3053\u3067AI\u99c6\u52d5\u958b\u767a\u306e\u51fa\u756a\u3067\u3059\u3002AI\u306b\u300cServer Actions\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3057\u3066\u300d\u3068\u805e\u304f\u3068\u3001\u305f\u305f\u304d\u53f0\u304c\u3059\u3050\u306b\u51fa\u3066\u304f\u308b\u3002\u3067\u3082\u3001\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u304b\u306f\u5225\u306e\u8a71\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f\u3001<strong>\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0<\/strong>\u3092\u984c\u6750\u306b\u3001AI\u306b\u51fa\u3055\u305b\u305f\u521d\u7248\u30b3\u30fc\u30c9\u3092\u691c\u8a3c\u30fb\u4fee\u6b63\u3057\u306a\u304c\u3089\u3001Server Actions\u306e\u5b9f\u88c5\u3092\u5b8c\u6210\u3055\u305b\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Server Actions\u3068\u306f\u4f55\u304b<\/h2>\n\n\n\n<p>Server Actions\u306f\u3001Next.js App Router\u306e\u6a5f\u80fd\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u308b\u975e\u540c\u671f\u95a2\u6570\u3067\u3059\u3002<code>'use server'<\/code>\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4ed8\u3051\u308b\u3060\u3051\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u76f4\u63a5\u547c\u3073\u51fa\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5f93\u6765\u306e\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u3067\u306f\u3001API\u30eb\u30fc\u30c8\uff08<code>\/api\/contact<\/code>\u306a\u3069\uff09\u3092\u4f5c\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089<code>fetch<\/code>\u3067\u9001\u4fe1\u3057\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d7\u3051\u53d6\u3063\u3066\u72b6\u614b\u3092\u66f4\u65b0\u3059\u308b\u3001\u3068\u3044\u3046\u624b\u9806\u304c\u5fc5\u8981\u3067\u3057\u305f\u3002Server Actions\u3092\u4f7f\u3046\u3068\u3001\u3053\u308c\u304c1\u3064\u306e\u95a2\u6570\u306b\u307e\u3068\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307f\u306a\u3055\u3093\u3082\u7d4c\u9a13\u304c\u3042\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u300c\u305f\u304b\u304c\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u306a\u306e\u306b\u3001API\u30eb\u30fc\u30c8\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306efetch\u3068\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u72b6\u614b\u7ba1\u7406\u30674\u30d5\u30a1\u30a4\u30eb\u3082\u89e6\u308b\u300d\u3068\u3044\u3046\u72b6\u6cc1\u3002Server Actions\u306f\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">AI\u306b\u521d\u7248\u3092\u51fa\u3055\u305b\u308b<\/h2>\n\n\n\n<p>Claude\u306b\u4ee5\u4e0b\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u9001\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Next.js App Router + Server Actions\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002\n\n\u3010\u8981\u4ef6\u3011\n- \u30d5\u30a3\u30fc\u30eb\u30c9\uff1a\u540d\u524d\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3001\u304a\u554f\u3044\u5408\u308f\u305b\u7a2e\u5225\uff08\u9078\u629e\uff09\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\n- \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff1aZod\u3092\u4f7f\u7528\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u5b9f\u884c\n- \u30a8\u30e9\u30fc\u6642\uff1a\u5165\u529b\u5185\u5bb9\u3092\u4fdd\u6301\u3057\u305f\u307e\u307e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\n- \u6210\u529f\u6642\uff1a\u300c\u9001\u4fe1\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f\u300d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\n- \u697d\u89b3\u7684UI\uff1a\u9001\u4fe1\u4e2d\u306f\u300c\u9001\u4fe1\u4e2d...\u300d\u8868\u793a\u3001\u30dc\u30bf\u30f3\u3092\u7121\u52b9\u5316\n\n\u3010\u6280\u8853\u30b9\u30bf\u30c3\u30af\u3011\n- TypeScript\n- Zod\uff08\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff09\n- useActionState\uff08\u30d5\u30a9\u30fc\u30e0\u72b6\u614b\u7ba1\u7406\uff09\n- Tailwind CSS\uff08\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\uff09<\/code><\/pre>\n\n\n\n<p>AI\u306e\u51fa\u529b\u3092\u30d9\u30fc\u30b9\u306b\u3001\u4fee\u6b63\u3057\u305f\u6700\u7d42\u7248\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30b9\u30ad\u30fc\u30de\uff08Zod\uff09<\/h2>\n\n\n\n<p>\u307e\u305a\u3001Zod\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30b9\u30ad\u30fc\u30de\u3067\u3059\u3002\u3053\u3053\u306fAI\u306e\u51fa\u529b\u304c\u307b\u307c\u305d\u306e\u307e\u307e\u4f7f\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ lib\/schemas\/contact.ts\nimport { z } from 'zod';\n\nexport const contactSchema = z.object({\n  name: z\n    .string()\n    .min(1, '\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044')\n    .max(50, '\u540d\u524d\u306f50\u6587\u5b57\u4ee5\u5185\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044'),\n  email: z\n    .string()\n    .min(1, '\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044')\n    .email('\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093'),\n  category: z\n    .string()\n    .refine(\n      (val): val is 'general' | 'support' | 'partnership' | 'other' =&gt;\n        ['general', 'support', 'partnership', 'other'].includes(val),\n      { message: '\u304a\u554f\u3044\u5408\u308f\u305b\u7a2e\u5225\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044' }\n    ),\n  message: z\n    .string()\n    .min(10, '\u30e1\u30c3\u30bb\u30fc\u30b8\u306f10\u6587\u5b57\u4ee5\u4e0a\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044')\n    .max(2000, '\u30e1\u30c3\u30bb\u30fc\u30b8\u306f2000\u6587\u5b57\u4ee5\u5185\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044'),\n});\n\nexport type ContactFormData = z.infer&lt;typeof contactSchema&gt;;<\/code><\/pre>\n\n\n\n<p>Zod\u306e\u826f\u3044\u3068\u3053\u308d\u306f\u3001\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9\u3068TypeScript\u306e\u578b\u3092\u4e00\u5143\u7ba1\u7406\u3067\u304d\u308b\u70b9\u3067\u3059\u3002<code>z.infer<\/code>\u3067\u578b\u3092\u81ea\u52d5\u5c0e\u51fa\u3059\u308b\u306e\u3067\u3001\u578b\u5b9a\u7fa9\u306e\u4e8c\u91cd\u7ba1\u7406\u304c\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u30ae\u30bf\u30fc\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3068\u540c\u3058\u3067\u3001\u57fa\u6e96\u30921\u7b87\u6240\u306b\u5b9a\u3081\u3066\u304a\u3051\u3070\u5168\u4f53\u304c\u63c3\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Server Action\uff08\u30b5\u30fc\u30d0\u30fc\u95a2\u6570\uff09<\/h2>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u304c\u672c\u984c\u3067\u3059\u3002AI\u306e\u521d\u7248\u3068\u4fee\u6b63\u7248\u3092\u898b\u6bd4\u3079\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">AI\u306e\u521d\u7248<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ AI\u304c\u51fa\u3057\u305f\u521d\u7248\n'use server';\n\nimport { contactSchema } from '@\/lib\/schemas\/contact';\n\nexport async function submitContact(prevState: any, formData: FormData) {\n  const rawData = {\n    name: formData.get('name'),\n    email: formData.get('email'),\n    category: formData.get('category'),\n    message: formData.get('message'),\n  };\n\n  const result = contactSchema.safeParse(rawData);\n\n  if (!result.success) {\n    return {\n      success: false,\n      errors: result.error.flatten().fieldErrors,\n    };\n  }\n\n  \/\/ DB\u4fdd\u5b58\u3084\u30e1\u30fc\u30eb\u9001\u4fe1\n  console.log('\u9001\u4fe1\u30c7\u30fc\u30bf:', result.data);\n\n  return { success: true, errors: {} };\n}<\/code><\/pre>\n\n\n\n<p>\u4e00\u898b\u3001\u52d5\u304d\u305d\u3046\u3067\u3059\u3002Zod\u306e<code>safeParse<\/code>\u3092\u4f7f\u3063\u3066\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3057\u3001\u30a8\u30e9\u30fc\u304c\u3042\u308c\u3070<code>fieldErrors<\/code>\u3092\u8fd4\u3059\u3002\u57fa\u672c\u7684\u306a\u69cb\u9020\u306f\u6b63\u3057\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u554f\u984c\u70b9<\/h3>\n\n\n\n<p><strong>1. <code>prevState<\/code>\u306e\u578b\u304c<code>any<\/code><\/strong><br><code>useActionState<\/code>\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u306a\u3089\u3001\u623b\u308a\u5024\u306e\u578b\u3092\u660e\u793a\u3059\u3079\u304d\u3067\u3059\u3002<code>any<\/code>\u3060\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u578b\u63a8\u8ad6\u304c\u52b9\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p><strong>2. \u5165\u529b\u5024\u3092\u30a8\u30e9\u30fc\u6642\u306b\u8fd4\u3057\u3066\u3044\u306a\u3044<\/strong><br>\u30a8\u30e9\u30fc\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u5165\u529b\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u5165\u529b\u5024\u3092\u5fa9\u5143\u3067\u304d\u307e\u305b\u3093\u3002\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30a8\u30e9\u30fc\u3067\u5165\u529b\u304c\u6d88\u3048\u308b\u306e\u306f\u3001\u5192\u982d\u306e\u30d0\u30a4\u30af\u4e88\u7d04\u30b5\u30a4\u30c8\u3068\u540c\u3058\u554f\u984c\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>3. \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u304c\u7518\u3044<\/strong><br>DB\u4fdd\u5b58\u3084\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u306e\u51e6\u7406\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306f\u901a\u3063\u305f\u306e\u306b\u30b5\u30fc\u30d0\u30fc\u30a8\u30e9\u30fc\u3067\u5931\u6557\u3059\u308b\u30b1\u30fc\u30b9\u3092\u60f3\u5b9a\u3057\u3066\u3044\u306a\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fee\u6b63\u7248<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ app\/contact\/actions.ts\n'use server';\n\nimport { contactSchema, type ContactFormData } from '@\/lib\/schemas\/contact';\n\nexport type ContactFormState = {\n  success: boolean;\n  errors: Partial&lt;Record&lt;keyof ContactFormData | 'server', string[]&gt;&gt;;\n  values: Record&lt;string, string&gt;;\n  message: string;\n};\n\nconst initialState: ContactFormState = {\n  success: false,\n  errors: {},\n  values: {},\n  message: '',\n};\n\nexport async function submitContact(\n  prevState: ContactFormState,\n  formData: FormData\n): Promise&lt;ContactFormState&gt; {\n  const rawData = {\n    name: (formData.get('name') ?? '') as string,\n    email: (formData.get('email') ?? '') as string,\n    category: (formData.get('category') ?? '') as string,\n    message: (formData.get('message') ?? '') as string,\n  };\n\n  \/\/ Zod\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\n  const result = contactSchema.safeParse(rawData);\n\n  if (!result.success) {\n    return {\n      success: false,\n      errors: result.error.flatten().fieldErrors,\n      values: rawData,\n      message: '\u5165\u529b\u5185\u5bb9\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\u3002',\n    };\n  }\n\n  \/\/ \u30b5\u30fc\u30d0\u30fc\u51e6\u7406\uff08DB\u4fdd\u5b58\u30fb\u30e1\u30fc\u30eb\u9001\u4fe1\u7b49\uff09\n  try {\n    \/\/ \u5b9f\u969b\u306b\u306f\u3053\u3053\u3067DB\u4fdd\u5b58\u3084\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u884c\u3046\n    await new Promise(resolve =&gt; setTimeout(resolve, 1000));\n\n    return {\n      success: true,\n      errors: {},\n      values: {},\n      message: '\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3057\u305f\u3002\u62c5\u5f53\u8005\u3088\u308a\u6298\u308a\u8fd4\u3057\u3054\u9023\u7d61\u3044\u305f\u3057\u307e\u3059\u3002',\n    };\n  } catch {\n    return {\n      success: false,\n      errors: { server: ['\u9001\u4fe1\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002\u6642\u9593\u3092\u304a\u3044\u3066\u518d\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002'] },\n      values: rawData,\n      message: '\u30b5\u30fc\u30d0\u30fc\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002',\n    };\n  }\n}\n\n\/\/ \u6ce8\u610f\uff1ainitialState\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u5b9a\u7fa9\u3059\u308b\n\/\/ 'use server'\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u306fasync\u95a2\u6570\u306e\u307fexport\u53ef\u80fd<\/code><\/pre>\n\n\n\n<p>\u4fee\u6b63\u306e\u30dd\u30a4\u30f3\u30c8\u306f3\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u578b\u306e\u660e\u793a<\/strong>: <code>ContactFormState<\/code>\u578b\u3092\u5b9a\u7fa9\u3057\u3001<code>prevState<\/code>\u3068\u623b\u308a\u5024\u306e\u4e21\u65b9\u306b\u9069\u7528\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u578b\u63a8\u8ad6\u304c\u52b9\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u5165\u529b\u5024\u306e\u8fd4\u5374<\/strong>: \u30a8\u30e9\u30fc\u6642\u306b<code>values<\/code>\u3068\u3057\u3066\u5165\u529b\u5024\u3092\u8fd4\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u30d5\u30a9\u30fc\u30e0\u306e\u5024\u3092\u5fa9\u5143\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>try-catch<\/strong>: \u30b5\u30fc\u30d0\u30fc\u51e6\u7406\u306e\u5931\u6557\u3092<code>server<\/code>\u30a8\u30e9\u30fc\u3068\u3057\u3066\u8fd4\u3059\u3002\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u901a\u904e\u5f8c\u306e\u30a8\u30e9\u30fc\u306b\u3082\u5bfe\u5fdc\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30d5\u30a9\u30fc\u30e0\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h2>\n\n\n\n<p>Server Action\u3092\u547c\u3073\u51fa\u3059\u30d5\u30a9\u30fc\u30e0\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002<code>useActionState<\/code>\u3092\u4f7f\u3063\u3066\u3001\u9001\u4fe1\u72b6\u614b\u3068\u30a8\u30e9\u30fc\u72b6\u614b\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ app\/contact\/ContactForm.tsx\n'use client';\n\nimport { useActionState } from 'react';\nimport { submitContact } from '.\/actions';\nimport type { ContactFormState } from '.\/actions';\n\n\/\/ 'use server'\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u306fasync\u95a2\u6570\u306e\u307fexport\u53ef\u80fd\u306a\u305f\u3081\u3001\n\/\/ initialState\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u5b9a\u7fa9\u3059\u308b\nconst initialState: ContactFormState = {\n  success: false,\n  errors: {},\n  values: {},\n  message: '',\n};\n\nconst categories = [\n  { value: '', label: '\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044' },\n  { value: 'general', label: '\u4e00\u822c\u7684\u306a\u304a\u554f\u3044\u5408\u308f\u305b' },\n  { value: 'support', label: '\u30b5\u30dd\u30fc\u30c8' },\n  { value: 'partnership', label: '\u63d0\u643a\u30fb\u5354\u696d' },\n  { value: 'other', label: '\u305d\u306e\u4ed6' },\n];\n\nexport function ContactForm() {\n  const [state, formAction, isPending] = useActionState&lt;ContactFormState, FormData&gt;(\n    submitContact,\n    initialState\n  );\n\n  if (state.success) {\n    return (\n      &lt;div className=\"bg-green-50 border border-green-200 rounded-lg p-6 text-center\"&gt;\n        &lt;p className=\"text-green-800 font-bold text-lg\"&gt;&#10003; \u9001\u4fe1\u5b8c\u4e86&lt;\/p&gt;\n        &lt;p className=\"text-green-700 mt-2\"&gt;{state.message}&lt;\/p&gt;\n      &lt;\/div&gt;\n    );\n  }\n\n  return (\n    &lt;form action={formAction} className=\"space-y-6\"&gt;\n      {state.errors.server &amp;&amp; (\n        &lt;div className=\"bg-red-50 border border-red-200 rounded-lg p-4\"&gt;\n          &lt;p className=\"text-red-700\"&gt;{state.errors.server[0]}&lt;\/p&gt;\n        &lt;\/div&gt;\n      )}\n\n      &lt;div&gt;\n        &lt;label htmlFor=\"name\" className=\"block text-sm font-medium mb-1\"&gt;\n          \u304a\u540d\u524d &lt;span className=\"text-red-500\"&gt;*&lt;\/span&gt;\n        &lt;\/label&gt;\n        &lt;input\n          id=\"name\"\n          name=\"name\"\n          type=\"text\"\n          defaultValue={state.values.name ?? ''}\n          className=\"w-full border rounded-lg px-4 py-2 focus:ring-2 focus:ring-blue-500 focus:border-blue-500\"\n        \/&gt;\n        {state.errors.name &amp;&amp; (\n          &lt;p className=\"text-red-500 text-sm mt-1\"&gt;{state.errors.name[0]}&lt;\/p&gt;\n        )}\n      &lt;\/div&gt;\n\n      &lt;div&gt;\n        &lt;label htmlFor=\"email\" className=\"block text-sm font-medium mb-1\"&gt;\n          \u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9 &lt;span className=\"text-red-500\"&gt;*&lt;\/span&gt;\n        &lt;\/label&gt;\n        &lt;input\n          id=\"email\"\n          name=\"email\"\n          type=\"email\"\n          defaultValue={state.values.email ?? ''}\n          className=\"w-full border rounded-lg px-4 py-2 focus:ring-2 focus:ring-blue-500 focus:border-blue-500\"\n        \/&gt;\n        {state.errors.email &amp;&amp; (\n          &lt;p className=\"text-red-500 text-sm mt-1\"&gt;{state.errors.email[0]}&lt;\/p&gt;\n        )}\n      &lt;\/div&gt;\n\n      &lt;div&gt;\n        &lt;label htmlFor=\"category\" className=\"block text-sm font-medium mb-1\"&gt;\n          \u304a\u554f\u3044\u5408\u308f\u305b\u7a2e\u5225 &lt;span className=\"text-red-500\"&gt;*&lt;\/span&gt;\n        &lt;\/label&gt;\n        &lt;select\n          id=\"category\"\n          name=\"category\"\n          defaultValue={state.values.category ?? ''}\n          className=\"w-full border rounded-lg px-4 py-2 focus:ring-2 focus:ring-blue-500 focus:border-blue-500\"\n        &gt;\n          {categories.map(c =&gt; (\n            &lt;option key={c.value} value={c.value}&gt;{c.label}&lt;\/option&gt;\n          ))}\n        &lt;\/select&gt;\n        {state.errors.category &amp;&amp; (\n          &lt;p className=\"text-red-500 text-sm mt-1\"&gt;{state.errors.category[0]}&lt;\/p&gt;\n        )}\n      &lt;\/div&gt;\n\n      &lt;div&gt;\n        &lt;label htmlFor=\"message\" className=\"block text-sm font-medium mb-1\"&gt;\n          \u30e1\u30c3\u30bb\u30fc\u30b8 &lt;span className=\"text-red-500\"&gt;*&lt;\/span&gt;\n        &lt;\/label&gt;\n        &lt;textarea\n          id=\"message\"\n          name=\"message\"\n          rows={5}\n          defaultValue={state.values.message ?? ''}\n          className=\"w-full border rounded-lg px-4 py-2 focus:ring-2 focus:ring-blue-500 focus:border-blue-500\"\n        \/&gt;\n        {state.errors.message &amp;&amp; (\n          &lt;p className=\"text-red-500 text-sm mt-1\"&gt;{state.errors.message[0]}&lt;\/p&gt;\n        )}\n      &lt;\/div&gt;\n\n      &lt;button\n        type=\"submit\"\n        disabled={isPending}\n        className=\"w-full bg-blue-600 text-white py-3 rounded-lg font-bold hover:bg-blue-700 transition-colors disabled:opacity-50 disabled:cursor-not-allowed\"\n      &gt;\n        {isPending ? '\u9001\u4fe1\u4e2d...' : '\u9001\u4fe1\u3059\u308b'}\n      &lt;\/button&gt;\n    &lt;\/form&gt;\n  );\n}<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u6ce8\u76ee\u3059\u3079\u304d\u306f<code>defaultValue<\/code>\u3067\u3059\u3002<code>value<\/code>\u3067\u306f\u306a\u304f<code>defaultValue<\/code>\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002Server Actions\u3068<code>useActionState<\/code>\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u5834\u5408\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u72b6\u614b\u306fReact\u306e\u72b6\u614b\u3067\u306f\u306a\u304fDOM\u81ea\u4f53\u304c\u4fdd\u6301\u3057\u307e\u3059\u3002<code>value<\/code>\u306b\u3059\u308b\u3068\u5236\u5fa1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306a\u308a\u3001<code>onChange<\/code>\u30cf\u30f3\u30c9\u30e9\u304c\u5fc5\u8981\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><small>\u3053\u3053\u3001AI\u306e\u521d\u7248\u3067\u306f<code>value<\/code>\u3068<code>useState<\/code>\u3067\u7ba1\u7406\u3057\u3066\u3044\u305f\u3093\u3067\u3059\u3088\u306d\u3002Server Actions\u306e\u65e8\u307f\u304c\u534a\u6e1b\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u30d0\u30a4\u30af\u3067\u8a00\u3048\u3070\u3001\u305b\u3063\u304b\u304f\u30ad\u30e3\u30d6\u304b\u3089\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306b\u63db\u3048\u305f\u306e\u306b\u3001\u30c1\u30e7\u30fc\u30af\u3092\u30ad\u30e3\u30d6\u6642\u4ee3\u306e\u7656\u3067\u5f15\u3044\u3066\u3057\u307e\u3046\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/small><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30da\u30fc\u30b8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08Server Component\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ app\/contact\/page.tsx\nimport { ContactForm } from '.\/ContactForm';\n\nexport default function ContactPage() {\n  return (\n    &lt;main className=\"max-w-xl mx-auto px-4 py-12\"&gt;\n      &lt;h1 className=\"text-2xl font-bold mb-2\"&gt;\u304a\u554f\u3044\u5408\u308f\u305b&lt;\/h1&gt;\n      &lt;p className=\"text-gray-600 mb-8\"&gt;\n        \u3054\u8cea\u554f\u3084\u3054\u76f8\u8ac7\u304c\u3042\u308a\u307e\u3057\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002\n      &lt;\/p&gt;\n      &lt;ContactForm \/&gt;\n    &lt;\/main&gt;\n  );\n}<\/code><\/pre>\n\n\n\n<p>\u30da\u30fc\u30b8\u81ea\u4f53\u306fServer Component\u3067\u3059\u3002\u30d5\u30a9\u30fc\u30e0\u3060\u3051\u304cClient Component\u3068\u3057\u3066\u5207\u308a\u51fa\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u306e\u69cb\u6210\u306b\u3088\u308a\u3001\u30da\u30fc\u30b8\u306e\u9759\u7684\u306a\u90e8\u5206\uff08\u898b\u51fa\u3057\u3001\u8aac\u660e\u6587\uff09\u306f\u30b5\u30fc\u30d0\u30fc\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u90e8\u5206\u3060\u3051\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">AI\u304c\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<p>Server Actions\u306e\u5b9f\u88c5\u3092AI\u306b\u4efb\u305b\u3066\u307f\u3066\u6c17\u3065\u3044\u305f\u300c\u4eba\u9593\u304c\u88dc\u3046\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u300d\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><code>defaultValue<\/code> vs <code>value<\/code>\u306e\u4f7f\u3044\u5206\u3051<\/strong><br>AI\u306f\u7fd2\u6163\u7684\u306b<code>useState<\/code> + <code>value<\/code>\u306e\u5236\u5fa1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30d1\u30bf\u30fc\u30f3\u3067\u66f8\u304d\u304c\u3061\u3067\u3059\u3002Server Actions\u3067\u306f\u975e\u5236\u5fa1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08<code>defaultValue<\/code>\uff09\u306e\u307b\u3046\u304c\u81ea\u7136\u306a\u5b9f\u88c5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30a8\u30e9\u30fc\u6642\u306e\u5165\u529b\u5024\u5fa9\u5143<\/strong><br>AI\u306e\u521d\u7248\u3067\u306f\u30a8\u30e9\u30fc\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u5165\u529b\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u300c\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30a8\u30e9\u30fc\u6642\u306b\u30d5\u30a9\u30fc\u30e0\u304c\u7a7a\u306b\u306a\u308b\u300d\u3068\u3044\u3046\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6700\u3082\u5acc\u3046\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002Server Action\u306e\u623b\u308a\u5024\u306b\u5165\u529b\u5024\u3092\u542b\u3081\u3066\u8fd4\u3059\u8a2d\u8a08\u306f\u3001\u4eba\u9593\u304c\u610f\u8b58\u3057\u3066\u5165\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><code>useActionState<\/code>\u306e\u578b\u5f15\u6570<\/strong><br>React 19\u306e<code>useActionState<\/code>\u306f\u578b\u5f15\u6570\u306e\u6307\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002AI\u304c\u53e4\u3044\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3059\u308b\u3068\u3001\u65e7\u540d\u306e<code>useFormState<\/code>\u3067\u66f8\u3044\u3066\u304f\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002Next.js 15\u4ee5\u964d\u3067\u306f<code>useActionState<\/code>\u304c\u6b63\u3057\u3044\u540d\u524d\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>Zod\u306e<code>enum<\/code>\u3068\u30d5\u30a9\u30fc\u30e0\u306e\u521d\u671f\u5024<\/strong><br><code>z.enum<\/code>\u306f\u6307\u5b9a\u3057\u305f\u5024\u4ee5\u5916\u3092\u5f3e\u304d\u307e\u3059\u304c\u3001HTML\u306eselect\u306e\u521d\u671f\u5024\uff08\u7a7a\u6587\u5b57\uff09\u306f<code>enum<\/code>\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002AI\u306e\u521d\u7248\u3067\u306f\u3053\u306e\u30b1\u30fc\u30b9\u304c\u8003\u616e\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<code>errorMap<\/code>\u3067\u30ab\u30b9\u30bf\u30e0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u610f\u5473\u4e0d\u660e\u306a\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001Next.js Server Actions\u3092\u4f7f\u3063\u305f\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u3092\u3001AI\u99c6\u52d5\u958b\u767a\u3067\u5b9f\u88c5\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>Server Actions\u306e\u5b9f\u88c5\u3067\u306f\u3001AI\u304c\u51fa\u3059\u300c\u52d5\u304f\u30b3\u30fc\u30c9\u300d\u3068\u300c\u5b9f\u7528\u306b\u8010\u3048\u308b\u30b3\u30fc\u30c9\u300d\u306e\u3042\u3044\u3060\u306b\u30ae\u30e3\u30c3\u30d7\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u306f\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306b\u76f4\u7d50\u3059\u308b\u305f\u3081\u3001\u305d\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u4eba\u9593\u304c\u57cb\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e4\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zod\u30b9\u30ad\u30fc\u30de\u306f\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3068\u578b\u5b9a\u7fa9\u3092\u4e00\u5143\u7ba1\u7406\u3067\u304d\u3001AI\u306e\u51fa\u529b\u304c\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u3053\u3068\u304c\u591a\u3044<\/li>\n<li>Server Action\u306e\u623b\u308a\u5024\u306b\u306f\u5165\u529b\u5024\u3092\u542b\u3081\u3066\u8fd4\u3059\u8a2d\u8a08\u304c\u5fc5\u8981\u3002\u30a8\u30e9\u30fc\u6642\u306eUX\u306fAI\u304c\u898b\u843d\u3068\u3057\u304c\u3061<\/li>\n<li><code>useActionState<\/code>\u3068<code>defaultValue<\/code>\u306e\u7d44\u307f\u5408\u308f\u305b\u304cServer Actions\u306e\u81ea\u7136\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/li>\n<li><code>value<\/code> + <code>useState<\/code>\u306e\u5236\u5fa1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306fServer Actions\u306e\u65e8\u307f\u3092\u6d88\u3059\u306e\u3067\u6ce8\u610f<\/li>\n<\/ul>\n\n\n\n<p>AI\u99c6\u52d5\u958b\u767a\u3067\u306f\u3001AI\u304c\u51fa\u3059\u30b3\u30fc\u30c9\u306e\u300c\u69cb\u9020\u300d\u306f\u6b63\u3057\u3044\u3053\u3068\u304c\u591a\u3044\u3002\u3067\u3082\u300c\u30e6\u30fc\u30b6\u30fc\u304c\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u305f\u3068\u304d\u4f55\u304c\u8d77\u304d\u308b\u304b\u300d\u3068\u3044\u3046\u60f3\u50cf\u529b\u306f\u3001\u307e\u3060\u4eba\u9593\u306e\u4ed5\u4e8b\u3067\u3059\u3002\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u306f\u7279\u306b\u305d\u306e\u5dee\u304c\u51fa\u3084\u3059\u3044\u9818\u57df\u3060\u3068\u611f\u3058\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306f\u3001Next.js\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u3068\u3001AI\u99c6\u52d5\u958b\u767a\u3092\u53d6\u308a\u5165\u308c\u305f\u52b9\u7387\u7684\u306a\u5236\u4f5c\u30d7\u30ed\u30bb\u30b9\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002\u300cServer Actions\u3092\u5c0e\u5165\u3057\u305f\u3044\u300d\u300c\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u3092\u6539\u5584\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u65b9\u306f\u3001<a href=\"https:\/\/fastcoding.jp\/contact\/\">\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0<\/a>\u304b\u3089\u304a\u6c17\u8efd\u306b\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u72ec\u8eab\u8cb4\u65cfFire\u3067\u3059\u3002 \u5148\u65e5\u3001\u30d0\u30a4\u30af\u306e\u30aa\u30a4\u30eb\u4ea4\u63db\u3092\u4e88\u7d04\u3057\u3088\u3046\u3068\u3057\u3066\u3001\u30b7\u30e7\u30c3\u30d7\u306eWeb\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u3057\u3066\u3044\u305f\u3093\u3067\u3059\u3002\u540d\u524d\u3001\u96fb\u8a71\u756a\u53f7\u3001\u8eca\u7a2e\u3001\u5e0c\u671b\u65e5\u6642\u2026\u2026\u5168\u90e8\u5165 [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":9795,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[13],"tags":[694,748,23],"class_list":["post-9747","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-frontend","tag-next-js","tag-748","tag-23"],"acf":[],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/fastcoding.jp\/blog\/wp-content\/uploads\/2026\/05\/381ba628b90b951d26f188cd10307941.jpg","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/comments?post=9747"}],"version-history":[{"count":1,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9747\/revisions"}],"predecessor-version":[{"id":9748,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/posts\/9747\/revisions\/9748"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/media\/9795"}],"wp:attachment":[{"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/media?parent=9747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/categories?post=9747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fastcoding.jp\/blog\/wp-json\/wp\/v2\/tags?post=9747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}