diff --git a/t0016Next/myapp/src/components/moviePlayer/YoutubePlayer.tsx b/t0016Next/myapp/src/components/moviePlayer/YoutubePlayer.tsx
index 65599c5..c59d308 100644
--- a/t0016Next/myapp/src/components/moviePlayer/YoutubePlayer.tsx
+++ b/t0016Next/myapp/src/components/moviePlayer/YoutubePlayer.tsx
@@ -33,7 +33,7 @@ export const YouTubePlayer = ({
       const height = 255;
       const width = Math.round(height / aspectRatio);
       return (
-        <div className="">
+        <div>
           {hasWindow && (
             <div>
               <PreYouTubePlayer
@@ -69,7 +69,7 @@ export const YouTubePlayer = ({
       const height = 255;
       const width = Math.round(height / aspectRatio);
       return (
-        <div className="">
+        <div>
           {hasWindow && (
             <div>
               <PreYouTubePlayer
diff --git a/t0016Next/myapp/src/components/table-tanstack/Commons.tsx b/t0016Next/myapp/src/components/table-tanstack/Commons.tsx
index c09abae..8e4e2fa 100644
--- a/t0016Next/myapp/src/components/table-tanstack/Commons.tsx
+++ b/t0016Next/myapp/src/components/table-tanstack/Commons.tsx
@@ -10,7 +10,7 @@ import { domain } from "@/../env";
 import { ReceivedKaraoke, FavoriteKaraoke } from "@/types/vtuber_content";
 import { LinkTW, TableCss as TableTW } from "@/styles/tailwiind";
 import { SigninContext } from "@/components/layout/Layout";
-import { stringToTime } from "@/util";
+import { timeStringToSecondNum } from "@/util";
 import { TableCss } from "@/styles/tailwiind";
 import type {
   FavoriteColumn,
@@ -156,7 +156,7 @@ export const KaraokeBasicColumuns: ColumnDef<ReceivedKaraoke>[] = [
       const handleClickPlay = (post: ReceivedKaraoke) => {
         handleMovieClickYouTube(
           row.original.MovieUrl,
-          stringToTime(row.original.SingStart)
+          timeStringToSecondNum(row.original.SingStart)
         );
         setSelectedPost(post);
       };
@@ -167,7 +167,7 @@ export const KaraokeBasicColumuns: ColumnDef<ReceivedKaraoke>[] = [
           "https://" +
           row.original.MovieUrl +
           "&t=" +
-          stringToTime(row.original.SingStart);
+          timeStringToSecondNum(row.original.SingStart);
         await navigator.clipboard.writeText(url);
         setIsDisplay(true);
         setSelectedPost(row.original);
diff --git a/t0016Next/myapp/src/components/table/Karaoke.tsx b/t0016Next/myapp/src/components/table/Karaoke.tsx
index f637ecf..deffd80 100644
--- a/t0016Next/myapp/src/components/table/Karaoke.tsx
+++ b/t0016Next/myapp/src/components/table/Karaoke.tsx
@@ -754,7 +754,7 @@ const deleteColumns: Column<ReceivedKaraoke>[] = [
     accessor: "VtuberName",
     Cell: ({ row }: { row: { original: ReceivedKaraoke } }) => {
       return (
-        <span key={row.original.VtuberId} className="relative">
+        <span key={row.original.KaraokeId} className="relative">
           <Link
             href={`/vtuber/${row.original.VtuberKana}`}
             className={`flex ${LinkTW.base}`}
diff --git a/t0016Next/myapp/src/pages/index.tsx b/t0016Next/myapp/src/pages/index.tsx
index d94c867..7a02730 100644
--- a/t0016Next/myapp/src/pages/index.tsx
+++ b/t0016Next/myapp/src/pages/index.tsx
@@ -44,13 +44,13 @@ const TopPage = ({ posts, isSignin }: TopPageProps) => {
       <div className="pt-1">
         <TitleGroup />
         <TopPageNotice />
-        <Page posts={posts} isSignin={isSignin} />
+        <MainItem posts={posts} isSignin={isSignin} />
       </div>
     </Layout>
   );
 };
 
-const Page = ({ posts }: TopPageProps) => {
+const MainItem = ({ posts }: TopPageProps) => {
   const url = "www.youtube.com/watch?v=E7x2TZ1_Ys4"; // 【オフコラボ】#VTuberカラオケ女子会 ～ノイタミナアニメ縛り～【朝ノ瑠璃／久遠たま／柾花音／ChumuNote】
   const stringTime = "36 * 60 + 41"; //  (柾花音) Departures 〜あなたにおくるアイの歌〜 / EGOIST / TVアニメ『ギルティクラウン』ED
   const playKaraokeNumber = generateRandomNumber(posts?.latest_karaokes.length);
diff --git a/t0016Next/myapp/src/types/vtuber_content.ts b/t0016Next/myapp/src/types/vtuber_content.ts
index 8b4beef..ef78cf5 100644
--- a/t0016Next/myapp/src/types/vtuber_content.ts
+++ b/t0016Next/myapp/src/types/vtuber_content.ts
@@ -1,116 +1,114 @@
-import { ListenerId } from './user'
+import { ListenerId } from "./user";
 
 export type BasicDataProps = {
-	vtubers: ReceivedVtuber[];
-	vtubers_movies: ReceivedMovie[];
-	vtubers_movies_karaokes: ReceivedKaraoke[];
+  vtubers: ReceivedVtuber[];
+  vtubers_movies: ReceivedMovie[];
+  vtubers_movies_karaokes: ReceivedKaraoke[];
 };
 export type CrudContentType = "none" | "vtuber" | "movie" | "karaoke";
 
 export type CrudDate = {
-	VtuberId: number;
-	VtuberName: string;
-	VtuberKana: string;
-	IntroMovieUrl: string | null;
-	MovieUrl: string;
-	MovieTitle: string;
-	KaraokeId: number;
-	SingStart: string;
-	SongName: string;
-}
+  VtuberId: number;
+  VtuberName: string;
+  VtuberKana: string;
+  IntroMovieUrl: string | null;
+  MovieUrl: string;
+  MovieTitle: string;
+  KaraokeId: number;
+  SingStart: string;
+  SongName: string;
+};
 //以下、基礎の型３つ
 
 export type VtuberId = number;
-export type KaraokeId = number
-export type SongId = number
+export type KaraokeId = number;
+export type SongId = number;
 
 export type PrimitiveVtuber = {
-	VtuberId: VtuberId;
-	VtuberName: string;
-	VtuberKana: string;
-	IntroMovieUrl: string | null;
-	VtuberInputterId: string;
+  VtuberId: VtuberId;
+  VtuberName: string;
+  VtuberKana: string;
+  IntroMovieUrl: string | null;
+  VtuberInputterId: string;
 };
 
 export type PrimitiveMovie = {
-	MovieUrl: string;
-	MovieTitle: string | null;
-	VtuberId: number;
-	MovieInputterId: number | null;
+  MovieUrl: string;
+  MovieTitle: string | null;
+  VtuberId: number;
+  MovieInputterId: number | null;
 };
 
 export type PrimitiveKaraoke = {
-	KaraokeId: number;
-	MovieUrl: string | null;
-	SingStart: string;
-	SongName: string | null;
-	KaraokeInputterId: number | null;
+  KaraokeId: number;
+  MovieUrl: string | null;
+  SingStart: string;
+  SongName: string | null;
+  KaraokeInputterId: number | null;
 };
 
 export type PrimitiveOriginalSong = {
-	SongID: SongId
-	ArtistId: number
-	SongName: string
-	MovieUrl: string
-	ReleseData: string
-	SongInputterId: ListenerId;
-}
-
+  SongID: SongId;
+  ArtistId: number;
+  SongName: string;
+  MovieUrl: string;
+  ReleseData: string;
+  SongInputterId: ListenerId;
+};
 
 //　画面表示に使う型
 
 export type ReceivedVtuber = {
-	VtuberId: VtuberId;
-	VtuberName: string;
-	VtuberKana: string;
-	IntroMovieUrl: string | null;
-	VtuberInputterId: string;
-
-	Count: number;
-	IsFav: boolean;
-}
+  VtuberId: VtuberId;
+  VtuberName: string;
+  VtuberKana: string;
+  IntroMovieUrl: string | null;
+  VtuberInputterId: string;
+
+  Count: number;
+  IsFav: boolean;
+};
 
 export type ReceivedMovie = {
-	VtuberId: VtuberId;
-	VtuberName: string;
-	VtuberKana: string;
-	IntroMovieUrl: string | null;
-	VtuberInputterId: ListenerId;
-
-	MovieUrl: string;
-	MovieTitle: string;
-	MovieInputterId: number;
-
-	Count: number;
-	IsFav: boolean;
-
-}
+  VtuberId: VtuberId;
+  VtuberName: string;
+  VtuberKana: string;
+  IntroMovieUrl: string | null;
+  VtuberInputterId: ListenerId;
+
+  MovieUrl: string;
+  MovieTitle: string;
+  MovieInputterId: number;
+
+  Count: number;
+  IsFav: boolean;
+};
 
 export type ReceivedKaraoke = {
-	VtuberId: VtuberId;
-	VtuberName: string;
-	VtuberKana: string;
-	IntroMovieUrl: string | null;
-	VtuberInputterId: ListenerId;
-
-	MovieUrl: string;
-	MovieTitle: string;
-	MovieInputterId: number;
-
-	KaraokeId: number;
-	SingStart: string;
-	SongName: string;
-	KaraokeInputterId: number;
-
-	Count: number;
-	IsFav: boolean;
-}
+  VtuberId: VtuberId;
+  VtuberName: string;
+  VtuberKana: string;
+  IntroMovieUrl: string | null;
+  VtuberInputterId: ListenerId;
+
+  MovieUrl: string;
+  MovieTitle: string;
+  MovieInputterId: number;
+
+  KaraokeId: number;
+  SingStart: string;
+  SongName: string;
+  KaraokeInputterId: number;
+
+  Count: number;
+  IsFav: boolean;
+};
+
 export type FavoriteKaraoke = {
-	MovieUrl: string;
-	KaraokeId: number;
-}
+  MovieUrl: string;
+  KaraokeId: number;
+};
 
 export type FavoriteMovie = {
-	MovieUrl: string;
-}
-
+  MovieUrl: string;
+};