feat(docs,i18n): now supports Japanese & Korean

docs/.vitepress/components/ParallaxCoverChristmas20251224.vue

@@ -84,7 +84,7 @@ const maskImageURL = `url(${homeCover})`
       'md:w-[150%] md:translate-y-[40%] md:rotate-[0deg] md:top-8dvh',
       'lg:w-[95%] lg:translate-y-[-20%] lg:translate-x-[-50%] lg:rotate-[0deg] lg:scale-95 lg:top-32dvh',
       'xl:translate-y-[-50%] xl:translate-x-[-50%] xl:scale-80 xl:top-18dvh',
-      '2xl:w-[100%] 2xl:translate-y-[-20%] 2xl:translate-x-[-50%] 2xl:rotate-[0deg] 2xl:top-16dvh',
+      '2xl:w-[100%] 2xl:translate-y-[-20%] 2xl:translate-x-[-50%] 2xl:rotate-[0deg] 2xl:scale-60 2xl:top-12dvh',
     ]"
   >
     <img ref="surface" :src="homeCover" alt="Project AIRI Cover Image" class="w-full object-cover">

docs/.vitepress/theme/index.ts

@@ -23,14 +23,14 @@ import '@fontsource-variable/comfortaa'
 
 export default {
   Layout,
-  enhanceApp({ app }) {
+  enhanceApp({ app, siteData }) {
     if (!import.meta.env.SSR) {
       import('../modules/posthog')
     }
 
     const i18n = createI18n({
       legacy: false,
-      locale: 'en',
+      locale: siteData.value.lang || 'en',
       fallbackLocale: 'en',
       messages,
     })

docs/content/ja/docs/overview/index.md

@@ -1,3 +1,4 @@
+---
 title: これはどんなプロジェクト？
 description: Project AIRI のユーザーインターフェースを知る
 ---
@@ -70,7 +71,7 @@ Web 版は手軽にアクセスでき、モバイルからでも利用できま
       使い方を見る
     </div>
   </a>
-  <a href="../../../en/docs/guide/web/" w-full flex items-center gap-2 border="2 solid gray-500/10" rounded-lg px-4 py-2>
+  <a href="../../../en/docs/overview/guide/web/" w-full flex items-center gap-2 border="2 solid gray-500/10" rounded-lg px-4 py-2>
     <div w-full flex items-center gap-2>
       <div flex items-center gap-2 text-2xl>
       <div i-lucide:app-window />