#361

AGENTS.md

@@ -158,6 +158,13 @@ npm run preview
 - Keep page-level code under `frontend/src/pages` and shared UI/feature code
   under `frontend/src/components` unless existing patterns point elsewhere.
 - Match existing Tailwind, component, and import alias conventions.
+- In TypeScript and TSX, prefer direct comparison operators such as `===` and
+  `!==` over negating a comparison like `!(a === b)`.
+- In TypeScript and TSX, prefer `++i` or `--i` over `i += 1` or `i -= 1` for
+  simple unit-step counter updates.
+- For user-facing Japanese text, prefer modern kana usage and natural current
+  phrasing over historical spellings or awkward literal wording.
+- For user-facing Japanese ellipses, prefer `……` over ASCII `...`.
 
 ### Frontend TSX style
 
@@ -179,6 +186,9 @@ npm run preview
   single physical line.
 - Always add braces around `if`, `else`, or `for` bodies when the body spans
   two or more physical lines, even if it is one statement.
+- Do not use a leading semicolon for expression statements such as
+  `;([...]).forEach(...)`; rewrite the expression to avoid ASI hazards
+  explicitly, for example with `void`.
 
 Preferred:
 

frontend/src/pages/GekanatorPage.tsx

@@ -123,14 +123,18 @@ type RecentGameSummary = {
     savedAt:         number }
 
 type BackgroundMotionMode = 'on' | 'calm' | 'off'
+
 type GuessReason =
     | 'hard_max_questions'
     | 'winning_run_finished'
+    | 'question_count_checkpoint'
     | 'question_generation_stalled'
+
 type QuestionMode =
     | 'winning_run'
     | 'normal'
     | null
+
 type MascotState =
     | 'idle'
     | 'thinking_far'
@@ -227,30 +231,27 @@ const normalizeStoredGame = (game: StoredGekanatorGame): StoredGekanatorGame =>
   ...game,
   answers: game.answers.map (answer => ({
       ...answer,
-      questionId: normalizeStoredQuestionId (
+      questionId: normalizeStoredQuestionId (answer.questionId,
-	  answer.questionId,
 					     answer.questionCondition),
-      questionMode:
+      questionMode: ((answer.questionMode === 'winning_run' || answer.questionMode === 'normal')
-	  answer.questionMode === 'winning_run' || answer.questionMode === 'normal'
 		     ? answer.questionMode
-	    : undefined,
+		     : undefined),
-      questionCondition: answer.questionCondition
+      questionCondition: (answer.questionCondition
 			  ? normalizeTitleLengthCondition (answer.questionCondition)
-	  : undefined })),
+			  : undefined) })),
   askedIds: game.askedIds.map (questionId => normalizeStoredQuestionId (questionId)),
-  softenedQuestionIds: game.softenedQuestionIds.map (questionId =>
+  softenedQuestionIds: (game.softenedQuestionIds
-      normalizeStoredQuestionId (questionId)),
+			.map (questionId => normalizeStoredQuestionId (questionId))),
   recoveredCandidatePosts: game.recoveredCandidatePosts ?? [],
   recoveryStepCount: game.recoveryStepCount ?? 0,
   winningRunTargetId: game.winningRunTargetId ?? null,
   winningRunStartAnswerCount: game.winningRunStartAnswerCount ?? null,
-  askedQuestionBank: game.askedQuestionBank?.map (question =>
+  askedQuestionBank: game.askedQuestionBank?.map (question => ({
-      ({
       ...question,
       id: normalizeStoredQuestionId (question.id, question.condition),
       condition: normalizeTitleLengthCondition (question.condition) })),
-  askedQuestionBankIds: game.askedQuestionBankIds?.map (questionId =>
+  askedQuestionBankIds: (
-      normalizeStoredQuestionId (questionId)) })
+      game.askedQuestionBankIds?.map (questionId => normalizeStoredQuestionId (questionId))) })
 
 
 const sourcePriorityForMerge = (question: GekanatorQuestion): number => {
@@ -290,7 +291,7 @@ const shouldReplaceMergedQuestion = (
 const hashString = (value: string): number => {
   let hash = 2166136261
 
-  for (let i = 0; i < value.length; i += 1)
+  for (let i = 0; i < value.length; ++i)
     {
       hash ^= value.charCodeAt (i)
       hash = Math.imul (hash, 16777619)
@@ -694,7 +695,7 @@ const buildMaterialIndex = (
 
     const tagKeys = post.tags
 	.filter (tag =>
-	    !(tag.category === 'meta')
+	    tag.category !== 'meta'
 	    && !(tag.name.includes ('タグ希望'))
 	    && !(tag.name.includes ('bot操作')))
 	.map (tag => `${ tag.category }:${ tag.name }`)
@@ -781,17 +782,17 @@ const indexedQuestionTextForTag = (key: string): string => {
   switch (category)
   {
   case 'deerjikist':
-    return `作者・ニジラーとして「${ label }」に関係してゐる?`
+    return `ニジラーとして「${ label }」に関係している?`
   case 'meme':
-    return `元ネタ・ミームとして「${ label }」に関係しさう?`
+    return `『${ label }』に関係しそう?`
   case 'character':
-    return `「${ label }」といふキャラクターが関係してゐる?`
+    return `「${ label }」というキャラクターが関係している?`
   case 'material':
-    return `素材として「${ label }」に関係してゐる?`
+    return `素材「${ label }」に関係している?`
   case 'nico':
-    return `ニコニコに「${ label }」といふタグが付いてゐる?`
+    return `ニコニコに「${ label }」といふタグがついている?`
   default:
-    return `内容として「${ label }」に関係しさう?`
+    return `「${ label }」が含まれる?`
   }
 }
 
@@ -915,32 +916,30 @@ const matchingPostCountInIds = ({
   if (matched.size < ids.size)
     matched.forEach (postId => {
       if (ids.has (postId))
-	count += 1
+	++count
     })
   else
     ids.forEach (postId => {
       if (matched.has (postId))
-	count += 1
+	++count
     })
 
   return count
 }
 
-const matchingWeightInCandidates = ({
+const matchingWeightInCandidates = (
-    candidates,
+    { candidates,
       posts,
       materialIndex,
       matchIndex,
       question,
-    dynamicMatchIndex,
+      dynamicMatchIndex }: { candidates:          { post: Post; weight: number }[]
-}: {
-    candidates:         { post: Post; weight: number }[]
 			     posts:               Post[]
 			     materialIndex:       GekanatorQuestionMaterialIndex
 			     matchIndex:          GekanatorMatchIndex
 			     question:            GekanatorQuestion
-    dynamicMatchIndex?: GekanatorMatchIndex
+			     dynamicMatchIndex?:  GekanatorMatchIndex },
-}): number => {
+): number => {
   const matched = matchingPostIdsForQuestion ({
       posts,
       materialIndex,
@@ -952,21 +951,19 @@ const matchingWeightInCandidates = ({
       sum + (matched.has (item.post.id) ? item.weight : 0), 0)
 }
 
-const signatureForCandidateIds = ({
+const signatureForCandidateIds = (
-    candidateIds,
+    { candidateIds,
       posts,
       materialIndex,
       matchIndex,
       question,
-    dynamicMatchIndex,
+      dynamicMatchIndex, }: { candidateIds:       number[]
-}: {
-    candidateIds:       number[]
 			      posts:              Post[]
 			      materialIndex:      GekanatorQuestionMaterialIndex
 			      matchIndex:         GekanatorMatchIndex
 			      question:           GekanatorQuestion
-    dynamicMatchIndex?: GekanatorMatchIndex
+			      dynamicMatchIndex?: GekanatorMatchIndex },
-}): string => {
+): string => {
   const matched = matchingPostIdsForQuestion ({
       posts,
       materialIndex,
@@ -977,28 +974,24 @@ const signatureForCandidateIds = ({
   return candidateIds.map (postId => matched.has (postId) ? '1' : '0').join ('')
 }
 
-const postIdsForHardAnswer = ({
+const postIdsForHardAnswer = (
-    candidateIds,
+    { candidateIds,
       question,
       answer,
       posts,
       materialIndex,
       matchIndex,
-    dynamicMatchIndex,
+      dynamicMatchIndex }: { candidateIds:        number[]
-}: {
-    candidateIds:       number[]
 			     question:            GekanatorQuestion
 			     answer:              GekanatorAnswerValue
 			     posts:               Post[]
 			     materialIndex:       GekanatorQuestionMaterialIndex
 			     matchIndex:          GekanatorMatchIndex
-    dynamicMatchIndex?: GekanatorMatchIndex
+			     dynamicMatchIndex?:  GekanatorMatchIndex },
-}): number[] => {
+): number[] => {
-  if (
+  if (answer === 'unknown'
-      answer === 'unknown'
       || answer === 'partial'
-      || answer === 'probably_no'
+      || answer === 'probably_no')
-  )
     return candidateIds
 
   if (answer === 'yes')
@@ -1026,19 +1019,18 @@ const postIdsForHardAnswer = ({
   return candidateIds
 }
 
-const buildIndexedQuestion = ({
+const buildIndexedQuestion = (
-    condition,
+    { condition,
       text,
       kind,
       priorityWeight,
-    materialIndex,
+      materialIndex }: {
-}: {
 	condition:      Exclude<GekanatorQuestionCondition, { type: 'post-similarity' }>
 	text:           string
 	kind:           GekanatorQuestionKind
 	priorityWeight: number
-    materialIndex:   GekanatorQuestionMaterialIndex
+	materialIndex:  GekanatorQuestionMaterialIndex },
-}): GekanatorQuestion => ({
+): GekanatorQuestion => ({
     id: questionIdForCondition (condition),
     text,
     kind,
@@ -1050,31 +1042,25 @@ const buildIndexedQuestion = ({
 	    condition,
 	    materialIndex }) ?? new Set<number> ()).has (post.id) })
 
-const rankedEntriesForCounts = <T extends string | number> ({
+const rankedEntriesForCounts = <T extends string | number> (
-    counts,
+    { counts, total, cap }: { counts:  Map<T, number>
-    total,
-    cap,
-}: {
-    counts:  Map<T, number>
 			      total:   number
-    cap:     number
+    			      cap:     number },
-}): [T, number][] =>
+): [T, number][] =>
-    [...counts.entries ()]
+    ([...counts.entries ()]
      .filter (([, count]) => count > 0 && count < total)
      .sort ((a, b) => Math.abs (total / 2 - a[1]) - Math.abs (total / 2 - b[1]))
-	.slice (0, cap)
+     .slice (0, cap))
 
-const buildQuestionsForCandidateIds = ({
+const buildQuestionsForCandidateIds = (
-    candidateIds,
+    { candidateIds,
       materialIndex,
       performanceMode,
-    acceptedQuestions,
+      acceptedQuestions }: { candidateIds:      number[]
-}: {
-    candidateIds:       number[]
 			     materialIndex:     GekanatorQuestionMaterialIndex
 			     performanceMode:   GekanatorPerformanceMode
-    acceptedQuestions:  GekanatorQuestion[]
+			     acceptedQuestions: GekanatorQuestion[] },
-}): GekanatorQuestion[] => {
+): GekanatorQuestion[] => {
   const total = candidateIds.length
   if (total === 0)
     return acceptedQuestions
@@ -1109,7 +1095,7 @@ const buildQuestionsForCandidateIds = ({
     const titleLength = materialIndex.titleLengthByPostId.get (postId) ?? 0
     titleLengths.push (titleLength)
     if (materialIndex.titleAsciiPostIds.has (postId))
-      asciiCount += 1
+      ++asciiCount
   })
 
   const tagCap =
@@ -1130,7 +1116,7 @@ const buildQuestionsForCandidateIds = ({
       .forEach (([host]) => {
 	questions.push (buildIndexedQuestion ({
 	    condition: { type: 'source', host },
-	    text: `${ host } の投稿を思ひ浮かべてゐる?`,
+	    text: `${ host } の投稿を思い浮かべている?`,
 	    kind: 'source',
 	    priorityWeight: 1,
 	    materialIndex }))
@@ -1180,7 +1166,7 @@ const buildQuestionsForCandidateIds = ({
   if (asciiCount > 0 && asciiCount < total)
     questions.push (buildIndexedQuestion ({
 	condition: { type: 'title-has-ascii' },
-	text: '題名に英数字が混じってゐる?',
+	text: '題名に英数字が混じっている?',
 	kind: 'title',
 	priorityWeight: 1,
 	materialIndex }))
@@ -1959,9 +1945,9 @@ const winningRunTagText = (
   switch (category)
   {
   case 'nico':
-    return `ニコニコに「${ name.replace (/^nico:/, '') }」タグが付いてゐる?`
+    return `ニコニコに「${ name.replace (/^nico:/, '') }」タグがついている?`
   default:
-    return `「${ name }」タグが付いてゐる?`
+    return `「${ name }」タグがついている?`
   }
 }
 
@@ -2019,7 +2005,7 @@ const winningRunCandidateQuestionsFor = (targetPost: Post): GekanatorQuestion[]
 	? null
 	: {
 	    id: questionIdForCondition ({ type: 'source', host }),
-	    text: `${ host } の投稿を思ひ浮かべてゐる?`,
+	    text: `${ host } の投稿を思い浮かべている?`,
 	    kind: 'source',
 	    condition: { type: 'source', host },
 	    source: 'default',
@@ -2088,7 +2074,7 @@ const winningRunCandidateQuestionsFor = (targetPost: Post): GekanatorQuestion[]
       })
   addQuestion ({
       id: questionIdForCondition ({ type: 'title-has-ascii' }),
-      text: '題名に英数字が混じってゐる?',
+      text: '題名に英数字が混じっている?',
       kind: 'title',
       condition: { type: 'title-has-ascii' },
       source: 'default',
@@ -2107,7 +2093,7 @@ const winningRunCandidateQuestionsFor = (targetPost: Post): GekanatorQuestion[]
 
   targetPost.tags
       .filter (tag =>
-	  !(tag.category === 'meta')
+	  tag.category !== 'meta'
 	  && !(tag.name.includes ('タグ希望'))
 	  && !(tag.name.includes ('bot操作')))
       .slice (0, 20)
@@ -2124,12 +2110,12 @@ const winningRunCandidateQuestionsFor = (targetPost: Post): GekanatorQuestion[]
 	    test: post => post.tags.some (candidate =>
 		candidate.category === tag.category
 		&& candidate.name === tag.name
-		&& !(candidate.category === 'meta')
+		&& candidate.category !== 'meta'
 		&& !(candidate.name.includes ('タグ希望'))
 		&& !(candidate.name.includes ('bot操作'))) })
       })
 
-  ;([
+  void ([
       {
 	  answer: 'yes' as const,
 	  threshold: .9,
@@ -2141,7 +2127,7 @@ const winningRunCandidateQuestionsFor = (targetPost: Post): GekanatorQuestion[]
       {
 	  answer: 'no' as const,
 	  threshold: .25,
-	  text: '少し違ふ印象もある?' }]).forEach ((item, index) => {
+	  text: '少し違う印象もある?' }]).forEach ((item, index) => {
 	addQuestion ({
 	    id: `winning-run:post-similarity:${ targetPost.id }:${ item.answer }:${ item.threshold }`,
 	    text: item.text,
@@ -2342,8 +2328,10 @@ const chooseFallbackQuestion = ({
 
 const shouldEnterGuessPhase = (
     reason: GuessReason | null,
-): reason is 'hard_max_questions' | 'winning_run_finished' =>
+): reason is 'hard_max_questions' | 'winning_run_finished' | 'question_count_checkpoint' =>
-    reason === 'hard_max_questions' || reason === 'winning_run_finished'
+    (reason === 'hard_max_questions'
+     || reason === 'winning_run_finished'
+     || reason === 'question_count_checkpoint')
 
 
 const isWinningRunActive = (
@@ -2364,8 +2352,8 @@ const winningRunQuestionCount = (
 	.length
 
 
-const nextQuestionPlanFor = ({
+const nextQuestionPlanFor = (
-    posts,
+    { posts,
       eligiblePosts,
       availablePosts,
       acceptedQuestions,
@@ -2380,9 +2368,7 @@ const nextQuestionPlanFor = ({
       matchIndex,
       lastGuessQuestionCount,
       winningRunTargetId,
-    winningRunStartAnswerCount,
+      winningRunStartAnswerCount }: { posts:      Post[]
-}: {
-    posts:      Post[]
 				      eligiblePosts: Post[]
     				      availablePosts: Post[]
     				      acceptedQuestions: GekanatorQuestion[]
@@ -2397,15 +2383,44 @@ const nextQuestionPlanFor = ({
     				      matchIndex: GekanatorMatchIndex
     				      lastGuessQuestionCount: number
     				      winningRunTargetId: number | null
-    winningRunStartAnswerCount: number | null
+    				      winningRunStartAnswerCount: number | null },
-}): {
+): { question: GekanatorQuestion | null
-    question: GekanatorQuestion | null
      guess: Post | null
      guessReason: GuessReason | null
      questionMode: QuestionMode
      winningRunTargetId: number | null
-    winningRunStartAnswerCount: number | null
+     winningRunStartAnswerCount: number | null } => {
-} => {
+  const guessablePosts =
+      eligiblePosts.length > 0
+      ? eligiblePosts
+      : availablePosts
+
+  const checkpointGuess =
+      answers.length > 0
+      && answers.length - lastGuessQuestionCount >= minQuestionsBeforeCertainGuess
+
+  if (answers.length >= hardMaxQuestions)
+    {
+      return {
+	  question: null,
+	  guess: bestPost (guessablePosts, scores),
+	  guessReason: 'hard_max_questions',
+	  questionMode: null,
+	  winningRunTargetId,
+	  winningRunStartAnswerCount }
+    }
+
+  if (checkpointGuess)
+    {
+      return {
+	  question: null,
+	  guess: bestPost (guessablePosts, scores),
+	  guessReason: 'question_count_checkpoint',
+	  questionMode: null,
+	  winningRunTargetId,
+	  winningRunStartAnswerCount }
+    }
+
   const nextQuestionsSinceLastGuess = answers.length - lastGuessQuestionCount
   const nextWinningRunTargetId =
       eligiblePosts.length === 1
@@ -2414,11 +2429,11 @@ const nextQuestionPlanFor = ({
   const nextWinningRunStartAnswerCount =
       nextWinningRunTargetId === null
       ? null
-	: isWinningRunActive (winningRunTargetId, winningRunStartAnswerCount)
+      : ((isWinningRunActive (winningRunTargetId, winningRunStartAnswerCount)
 	  && winningRunTargetId === nextWinningRunTargetId
-	  && winningRunStartAnswerCount !== null
+	  && winningRunStartAnswerCount !== null)
 	 ? winningRunStartAnswerCount
-	    : answers.length
+	 : answers.length)
   const nextWinningRunTargetPost =
       nextWinningRunTargetId === null
       ? null
@@ -2492,6 +2507,7 @@ const nextQuestionPlanFor = ({
       nextQuestionsSinceLastGuess >= minQuestionsBeforeCertainGuess
       ? eligiblePosts
       : availablePosts
+
   const evaluationQuestions = buildQuestionsForPosts (evaluationPosts)
   const normalQuestion = chooseQuestion ({
       posts: evaluationPosts,
@@ -2505,6 +2521,7 @@ const nextQuestionPlanFor = ({
       performanceMode,
       materialIndex,
       matchIndex })
+
   const fallbackQuestion = normalQuestion ?? chooseFallbackQuestion ({
       posts: evaluationPosts.length > 0 ? evaluationPosts : availablePosts,
       allPosts: posts,
@@ -2514,7 +2531,9 @@ const nextQuestionPlanFor = ({
       scores,
       materialIndex,
       matchIndex })
+
   if (fallbackQuestion)
+    {
       return {
 	  question: fallbackQuestion,
 	  guess: null,
@@ -2522,11 +2541,7 @@ const nextQuestionPlanFor = ({
 	  questionMode: 'normal',
 	  winningRunTargetId: nextWinningRunTargetId,
 	  winningRunStartAnswerCount: nextWinningRunStartAnswerCount }
-
+    }
-  const guessablePosts =
-      eligiblePosts.length > 0
-	? eligiblePosts
-	: availablePosts
 
   return {
       question: null,
@@ -4184,8 +4199,8 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 
   const dialogue =
       phase === 'learned' && resultWon
-	? <>グカカカカwwwww  <ruby>洗澡鹿<rt>シーザオグカ</rt></ruby>は何でもお見通し!</>
+	? <>グカカカカwwwww&emsp;<ruby>洗澡鹿<rt>シーザオグカ</rt></ruby>は何でもお見通し!</>
-	: <>私は<ruby>洗澡鹿<rt>シーザオグカ</rt></ruby>．質問から投稿を何でも当ててみせるよ</>
+	: <>私は<ruby>洗澡鹿<rt>シーザオグカ</rt></ruby>。質問から投稿を何でも当ててみせるよ。</>
   const introLoading = isLoading || acceptedQuestionsLoading
   const readyToStart =
       !(introLoading)
@@ -4274,7 +4289,6 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
   return (
       <MainArea className="relative overflow-hidden bg-yellow-50 dark:bg-red-975">
 	<Helmet>
-	  <meta name="robots" content="noindex"/>
 	  <title>{`グカネータ | ${ SITE_TITLE }`}</title>
 	</Helmet>
 
@@ -4340,15 +4354,16 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 		</div>
 	      </div>
 	      <div className="min-w-0 flex-1 space-y-3">
+		{phase === 'intro' && (
 		    <p className="text-lg font-bold">
 		      {dialogue}
-		</p>
+		    </p>)}
 
 		{introLoading && (
 		    <p>
 		      {phase === 'intro'
-		       ? '投稿を読み込んでゐます...'
+		       ? '投稿を読み込んでいます……'
-		       : '前回のグカネータ状態を復元してゐます...'}
+		       : '前回のグカネータ状態を復元しています……'}
 		    </p>)}
 		{(Boolean (error) || Boolean (acceptedQuestionsError))
 		    && <p>グカネータの質問データを読み込めませんでした．</p>}
@@ -4363,6 +4378,18 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 
 		{phase === 'intro' && readyToStart && restorePromptVisible && (
 		    <div className="flex flex-wrap gap-2">
+		      <button
+			  type="button"
+			  className="rounded border border-yellow-300 px-4 py-2
+				     hover:bg-yellow-100 dark:border-red-700
+				     dark:hover:bg-red-900"
+			  onClick={() => {
+			    reset ()
+			    setRestorePromptVisible (false)
+			    setPhase ('question')
+			  }}>
+			最初からやり直す
+		      </button>
 		      <button
 			  type="button"
 			  className="rounded bg-pink-600 px-4 py-2 font-bold text-white
@@ -4370,14 +4397,6 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 			  onClick={continueStoredGame}>
 			続きから
 		      </button>
-		      <button
-			  type="button"
-			  className="rounded border border-yellow-300 px-4 py-2
-				     hover:bg-yellow-100 dark:border-red-700
-				     dark:hover:bg-red-900"
-			  onClick={reset}>
-			最初からやり直す
-		      </button>
 		    </div>)}
 
 		{phase === 'intro' && readyToStart && !(restorePromptVisible) && (
@@ -4389,7 +4408,7 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 			  setRestorePromptVisible (false)
 			  setPhase ('question')
 			}}>
-		      はじめる
+		      始める
 		    </button>)}
 
 		{phase === 'question' && currentQuestion && (
@@ -4490,7 +4509,7 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 		    </div>)}
 		{phase === 'guess' && displayedGuess && (
 		    <div className="space-y-4">
-		      <p className="text-xl font-bold">これを想像してゐたね?</p>
+		      <p className="text-xl font-bold">これを想像していたね?</p>
 		      {isAdmin && (
 			  <div className="rounded border border-yellow-100 px-3 py-2
 					  text-sm dark:border-red-900">
@@ -4524,7 +4543,7 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 				       hover:bg-yellow-100 dark:border-red-700
 				       dark:hover:bg-red-900"
 			    onClick={rejectGuess}>
-			  違ふ
+			  違う
 			</button>
 			{history.length > 0 && (
 			    <button
@@ -4577,7 +4596,7 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 		    <div className="space-y-4">
 		      <div>
 			<p className="text-sm text-neutral-500">ゲーム終了</p>
-			<p className="text-xl font-bold">グカカカカwwwww</p>
+			<p className="text-xl font-bold">グカカカカwwwww&emsp;<ruby>洗澡鹿<rt>シーザオグカ</rt></ruby>は何でもお見通し!</p>
 		      </div>
 
 		      {reviewGuessedPost && (
@@ -4861,11 +4880,11 @@ const GekanatorPage: FC<{ user: User | null }> = ({ user }) => {
 		    <div className="space-y-4">
 		      <div>
 			<p className="text-sm text-neutral-500">追加学習</p>
-			<p className="text-xl font-bold">追加で 2 問まで答へてください。</p>
+			<p className="text-xl font-bold">追加で 2 問まで答えてください。</p>
 		      </div>
 
 		      {extraQuestionState === 'loading' && (
-			  <p>追加質問を読み込んでゐます...</p>)}
+			  <p>追加質問を読み込んでいます……</p>)}
 
 		      {extraQuestionState === 'empty' && (
 			  <p>追加で学習できる質問はありませんでした。</p>)}