diff --git a/browser/dom/cursor.d.ts b/browser/dom/cursor.d.ts
index fd35e3d..4518fd6 100644
--- a/browser/dom/cursor.d.ts
+++ b/browser/dom/cursor.d.ts
@@ -2,8 +2,9 @@
 /// <reference lib="esnext"/>
 /// <reference lib="dom" />
 
-import { BaseStore } from "../../deps/scrapbox.ts";
+import { BaseLine, BaseStore } from "../../deps/scrapbox.ts";
 import { Position } from "./position.ts";
+import { Page } from "./page.d.ts";
 
 export interface SetPositionOptions {
   /** カーソルが画面外に移動したとき、カーソルが見える位置までページをスクロールするかどうか
@@ -16,13 +17,17 @@ export interface SetPositionOptions {
    *
    * コード内だと、"mouse"が指定されていた場合があった。詳細は不明
    */
-  source?: string;
+  source?: "mouse";
 }
 
 /** カーソル操作クラス */
-export declare class Cursor extends BaseStore {
+export declare class Cursor extends BaseStore<
+  { source: "mouse" | undefined } | "focusTextInput" | "scroll" | undefined
+> {
   constructor();
 
+  public startedWithTouch: boolean;
+
   /** カーソルの位置を初期化し、editorからカーソルを外す */
   clear(): void;
 
@@ -44,9 +49,18 @@ export declare class Cursor extends BaseStore {
   /** popup menuを消す */
   hidePopupMenu(): void;
 
-  /** #text-inputにカーソルをfocusし、同時にカーソルを表示する */
+  /** #text-inputにカーソルをfocusし、同時にカーソルを表示する
+   *
+   * このとき、`event: "focusTextInput"`が発行される
+   */
   focus(): void;
 
+  /** #text-inputにfocusがあたっているか返す
+   *
+   * `this.focusTextarea`と同値
+   */
+  get hasFocus(): boolean;
+
   /** #text-inputからfocusを外す。カーソルの表示状態は変えない */
   blur(): void;
 
@@ -108,11 +122,11 @@ export declare class Cursor extends BaseStore {
       | "go-pageup",
   ): void;
 
-  /* `scrapbox.Page.lines`とほぼ同じ */
-  get lines(): unknown[];
+  /** 現在のページ本文を取得する */
+  get lines(): BaseLine[];
 
-  /* `scrapbox.Project.pages`とほぼ同じ */
-  get pages(): unknown;
+  /** 現在のページデータを取得する */
+  get page(): Page;
 
   private goUp(): void;
   private goPageUp(): void;
@@ -143,8 +157,11 @@ export declare class Cursor extends BaseStore {
   private sync(): void;
   private syncNow(): void;
   private updateTemporalHorizontalPoint(): number;
+  /** scrollされたときに発火される
+   *
+   * このとき`event: "source"`が発行される
+   */
   private emitScroll(): void;
-  emitChange(event: string): void;
 
   private data: Position;
   private temporalHorizontalPoint: number;
diff --git a/browser/dom/extractCodeFiles.test.ts b/browser/dom/extractCodeFiles.test.ts
index 436a99b..724e42b 100644
--- a/browser/dom/extractCodeFiles.test.ts
+++ b/browser/dom/extractCodeFiles.test.ts
@@ -1,582 +1,11 @@
 import { extractCodeFiles } from "./extractCodeFiles.ts";
 import { Line } from "../../deps/scrapbox.ts";
 import { assertSnapshot } from "../../deps/testing.ts";
-
-const sample: Line[] = [
-  {
-    "id": "63b7aeeb5defe7001ddae116",
-    "text": "コードブロック記法",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982645,
-    "updated": 1672982645,
-    "title": true,
-    "section": {
-      "number": 0,
-      "start": true,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b0761280f00000c9bc21",
-    "text": "ここでは[コードブロック]を表現する[scrapbox記法]を示す",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982645,
-    "updated": 1672982671,
-    "section": {
-      "number": 0,
-      "start": false,
-      "end": false,
-    },
-    "nodes": [
-      "ここでは",
-      {
-        "type": "link",
-        "unit": {
-          "page": "コードブロック",
-        },
-        "children": "コードブロック",
-      },
-      "を表現する",
-      {
-        "type": "link",
-        "unit": {
-          "page": "scrapbox記法",
-        },
-        "children": "scrapbox記法",
-      },
-      "を示す",
-    ],
-  },
-  {
-    "id": "63b7b0791280f00000c9bc22",
-    "text": "",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982648,
-    "updated": 1672982648,
-    "section": {
-      "number": 0,
-      "start": false,
-      "end": true,
-    },
-    "nodes": "",
-  },
-  {
-    "id": "63b7b12b1280f00000c9bc3d",
-    "text": "サンプル",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982826,
-    "updated": 1672982828,
-    "section": {
-      "number": 1,
-      "start": true,
-      "end": false,
-    },
-    "nodes": "サンプル",
-  },
-  {
-    "id": "63b7b12c1280f00000c9bc3e",
-    "text": " from [/villagepump/記法サンプル#61dd289e7838e30000dc9cb5]",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982828,
-    "updated": 1672982835,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "nodes": {
-      "type": "indent",
-      "unit": {
-        "whole": " from [/villagepump/記法サンプル#61dd289e7838e30000dc9cb5]",
-        "tag": " ",
-        "content": "from [/villagepump/記法サンプル#61dd289e7838e30000dc9cb5]",
-      },
-      "children": [
-        "from ",
-        {
-          "type": "link",
-          "unit": {
-            "project": "villagepump",
-            "page": "記法サンプル",
-            "line": "61dd289e7838e30000dc9cb5",
-          },
-          "children": "/villagepump/記法サンプル#61dd289e7838e30000dc9cb5",
-        },
-      ],
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc26",
-    "text": "code:コードブロック.py",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982821,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "py",
-      "filename": "コードブロック.py",
-      "indent": 1,
-      "start": true,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc27",
-    "text": ' print("Hello World!")',
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "py",
-      "filename": "コードブロック.py",
-      "indent": 1,
-      "start": false,
-      "end": true,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc28",
-    "text": "リンクなしコードブロック",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "nodes": "リンクなしコードブロック",
-  },
-  {
-    "id": "63b7b1261280f00000c9bc29",
-    "text": "code:py",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "py",
-      "filename": "py",
-      "indent": 1,
-      "start": true,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc2a",
-    "text": ' print("Hello World!")',
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "py",
-      "filename": "py",
-      "indent": 1,
-      "start": false,
-      "end": true,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc2b",
-    "text": "インデントつき",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "nodes": "インデントつき",
-  },
-  {
-    "id": "63b7b1261280f00000c9bc2c",
-    "text": " code:インデント.md",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "md",
-      "filename": "インデント.md",
-      "indent": 2,
-      "start": true,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc2d",
-    "text": "  - インデント",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "md",
-      "filename": "インデント.md",
-      "indent": 2,
-      "start": false,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc2e",
-    "text": "    - インデント",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "md",
-      "filename": "インデント.md",
-      "indent": 2,
-      "start": false,
-      "end": true,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc2f",
-    "text": "言語を強制",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "nodes": "言語を強制",
-  },
-  {
-    "id": "63b7b1261280f00000c9bc30",
-    "text": " code:python(js)",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "js",
-      "filename": "python",
-      "indent": 2,
-      "start": true,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc31",
-    "text": '  console.log("I\'m JavaScript");',
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "js",
-      "filename": "python",
-      "indent": 2,
-      "start": false,
-      "end": true,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc32",
-    "text": "文芸的プログラミング",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982825,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "nodes": "文芸的プログラミング",
-  },
-  {
-    "id": "63b7b1261280f00000c9bc33",
-    "text": " 標準ヘッダファイルをインクルード",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "nodes": {
-      "type": "indent",
-      "unit": {
-        "whole": " 標準ヘッダファイルをインクルード",
-        "tag": " ",
-        "content": "標準ヘッダファイルをインクルード",
-      },
-      "children": "標準ヘッダファイルをインクルード",
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc34",
-    "text": "  code:main.cpp",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "cpp",
-      "filename": "main.cpp",
-      "indent": 3,
-      "start": true,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc35",
-    "text": "   #include <iostream>",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "cpp",
-      "filename": "main.cpp",
-      "indent": 3,
-      "start": false,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc36",
-    "text": "   ",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "cpp",
-      "filename": "main.cpp",
-      "indent": 3,
-      "start": false,
-      "end": true,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc37",
-    "text": " main函数の定義",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "nodes": {
-      "type": "indent",
-      "unit": {
-        "whole": " main函数の定義",
-        "tag": " ",
-        "content": "main函数の定義",
-      },
-      "children": "main函数の定義",
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc38",
-    "text": "  code:main.cpp",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "cpp",
-      "filename": "main.cpp",
-      "indent": 3,
-      "start": true,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc39",
-    "text": "   int main() {",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "cpp",
-      "filename": "main.cpp",
-      "indent": 3,
-      "start": false,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc3a",
-    "text":
-      '     std::cout << "Hello, C++" << "from scrapbox.io" << std::endl;',
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "cpp",
-      "filename": "main.cpp",
-      "indent": 3,
-      "start": false,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc3b",
-    "text": "   }",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "cpp",
-      "filename": "main.cpp",
-      "indent": 3,
-      "start": false,
-      "end": false,
-    },
-  },
-  {
-    "id": "63b7b1261280f00000c9bc3c",
-    "text": "   ",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982822,
-    "updated": 1672982822,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": false,
-    },
-    "codeBlock": {
-      "lang": "cpp",
-      "filename": "main.cpp",
-      "indent": 3,
-      "start": false,
-      "end": true,
-    },
-  },
-  {
-    "id": "63b7b0911280f00000c9bc23",
-    "text": "",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982673,
-    "updated": 1672982673,
-    "section": {
-      "number": 1,
-      "start": false,
-      "end": true,
-    },
-    "nodes": "",
-  },
-  {
-    "id": "63b7b0911280f00000c9bc24",
-    "text": "#2023-01-06 14:24:35 ",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982673,
-    "updated": 1672982674,
-    "section": {
-      "number": 2,
-      "start": true,
-      "end": false,
-    },
-    "nodes": [
-      {
-        "type": "hashTag",
-        "unit": {
-          "page": "2023-01-06",
-          "tag": "#",
-        },
-        "children": "#2023-01-06",
-      },
-      " 14:24:35 ",
-    ],
-  },
-  {
-    "id": "63b7b0931280f00000c9bc25",
-    "text": "",
-    "userId": "5ef2bdebb60650001e1280f0",
-    "created": 1672982674,
-    "updated": 1672982674,
-    "section": {
-      "number": 2,
-      "start": false,
-      "end": true,
-    },
-    "nodes": "",
-  },
-];
+import sample from "./sample-lines1.json" assert { type: "json" };
 
 Deno.test("extractCodeFiles", async (t) => {
   await assertSnapshot(
     t,
-    extractCodeFiles(sample),
+    extractCodeFiles(sample as Line[]),
   );
 });
diff --git a/browser/dom/page.d.ts b/browser/dom/page.d.ts
new file mode 100644
index 0000000..0f9e1b3
--- /dev/null
+++ b/browser/dom/page.d.ts
@@ -0,0 +1,69 @@
+/// <reference no-default-lib="true"/>
+/// <reference lib="esnext"/>
+/// <reference lib="dom" />
+
+import { BaseStore } from "../../deps/scrapbox.ts";
+import { Page as PageData } from "../../deps/scrapbox-rest.ts";
+
+export interface SetPositionOptions {
+  /** カーソルが画面外に移動したとき、カーソルが見える位置までページをスクロールするかどうか
+   *
+   * @default true
+   */
+  scrollInView?: boolean;
+
+  /** カーソル移動イベントの発生箇所？
+   *
+   * コード内だと、"mouse"が指定されていた場合があった。詳細は不明
+   */
+  source?: "mouse";
+}
+
+export interface ApiUrlForFetch {
+  projectName: string;
+  title: string;
+  titleHint: string;
+  followRename: boolean;
+  search: string;
+}
+
+export interface ApplySnapshotInit {
+  page: Pick<PageData, "title" | "lines" | "created">;
+  prevPage?: Pick<PageData, "created">;
+  nextPage?: Pick<PageData, "lines">;
+}
+
+export type PageWithCache = PageData & { cachedAt: number | undefined };
+
+/** Scrapboxのページデータを管理する内部クラス
+ *
+ * 一部型定義は書きかけ
+ */
+export declare class Page extends BaseStore<
+  { source: "mouse" | undefined } | "focusTextInput" | "scroll" | undefined
+> {
+  public initialize(): void;
+
+  private data: PageWithCache;
+
+  public get(): PageWithCache;
+
+  public apiUrlForFetch(init: ApiUrlForFetch): string;
+  public apiUrlForUpdatePageAccessed(pageId: string): string;
+  public fetch(): Promise<PageWithCache>;
+
+  public set(page: PageWithCache): void;
+  public reset(): void;
+  public applySnapshot(init: ApplySnapshotInit): void;
+  setTitle(title: string, init?: { from: string }): void;
+  get fromCacheStorage(): boolean;
+  public setPin(pin: number): void;
+  public delete(): void;
+  public patch(t: unknown): void;
+  public patchChanges(
+    t: unknown,
+    init?: { from: string },
+  ): Promise<unknown>;
+  get hasSelfBackLink(): boolean;
+  public requestFetchApiCacheToServiceWorker(): unknown;
+}
diff --git a/browser/dom/sample-lines1.json b/browser/dom/sample-lines1.json
new file mode 100644
index 0000000..4135dfe
--- /dev/null
+++ b/browser/dom/sample-lines1.json
@@ -0,0 +1,454 @@
+[
+  {
+    "id": "63b7aeeb5defe7001ddae116",
+    "text": "コードブロック記法",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982645,
+    "updated": 1672982645,
+    "title": true,
+    "section": { "number": 0, "start": true, "end": false }
+  },
+  {
+    "id": "63b7b0761280f00000c9bc21",
+    "text": "ここでは[コードブロック]を表現する[scrapbox記法]を示す",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982645,
+    "updated": 1672982671,
+    "section": { "number": 0, "start": false, "end": false },
+    "nodes": [
+      "ここでは",
+      {
+        "type": "link",
+        "unit": {
+          "page": "コードブロック",
+          "content": "コードブロック",
+          "whole": "[コードブロック]"
+        },
+        "children": "コードブロック"
+      },
+      "を表現する",
+      {
+        "type": "link",
+        "unit": {
+          "page": "scrapbox記法",
+          "content": "scrapbox記法",
+          "whole": "[scrapbox記法]"
+        },
+        "children": "scrapbox記法"
+      },
+      "を示す"
+    ]
+  },
+  {
+    "id": "63b7b0791280f00000c9bc22",
+    "text": "",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982648,
+    "updated": 1672982648,
+    "section": { "number": 0, "start": false, "end": true },
+    "nodes": ""
+  },
+  {
+    "id": "63b7b12b1280f00000c9bc3d",
+    "text": "サンプル",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982826,
+    "updated": 1672982828,
+    "section": { "number": 1, "start": true, "end": false },
+    "nodes": "サンプル"
+  },
+  {
+    "id": "63b7b12c1280f00000c9bc3e",
+    "text": " from [/villagepump/記法サンプル#61dd289e7838e30000dc9cb5]",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982828,
+    "updated": 1672982835,
+    "section": { "number": 1, "start": false, "end": false },
+    "nodes": {
+      "type": "indent",
+      "unit": {
+        "whole": " from [/villagepump/記法サンプル#61dd289e7838e30000dc9cb5]",
+        "tag": " ",
+        "content": "from [/villagepump/記法サンプル#61dd289e7838e30000dc9cb5]"
+      },
+      "children": [
+        "from ",
+        {
+          "type": "link",
+          "unit": {
+            "project": "villagepump",
+            "page": "記法サンプル",
+            "line": "61dd289e7838e30000dc9cb5",
+            "content": "/villagepump/記法サンプル#61dd289e7838e30000dc9cb5",
+            "whole": "[/villagepump/記法サンプル#61dd289e7838e30000dc9cb5]"
+          },
+          "children": "/villagepump/記法サンプル#61dd289e7838e30000dc9cb5"
+        }
+      ]
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc26",
+    "text": "code:コードブロック.py",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982821,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "py",
+      "filename": "コードブロック.py",
+      "indent": 1,
+      "start": true,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc27",
+    "text": " print(\"Hello World!\")",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "py",
+      "filename": "コードブロック.py",
+      "indent": 1,
+      "start": false,
+      "end": true
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc28",
+    "text": "無名コードブロック",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672983021,
+    "section": { "number": 1, "start": false, "end": false },
+    "nodes": "無名コードブロック"
+  },
+  {
+    "id": "63b7b1261280f00000c9bc29",
+    "text": "code:py",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "py",
+      "filename": "py",
+      "indent": 1,
+      "start": true,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc2a",
+    "text": " print(\"Hello World!\")",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "py",
+      "filename": "py",
+      "indent": 1,
+      "start": false,
+      "end": true
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc2b",
+    "text": "インデントつき",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "nodes": "インデントつき"
+  },
+  {
+    "id": "63b7b1261280f00000c9bc2c",
+    "text": " code:インデント.md",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "md",
+      "filename": "インデント.md",
+      "indent": 2,
+      "start": true,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc2d",
+    "text": "  - インデント",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "md",
+      "filename": "インデント.md",
+      "indent": 2,
+      "start": false,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc2e",
+    "text": "    - インデント",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "md",
+      "filename": "インデント.md",
+      "indent": 2,
+      "start": false,
+      "end": true
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc2f",
+    "text": "言語を強制",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "nodes": "言語を強制"
+  },
+  {
+    "id": "63b7b1261280f00000c9bc30",
+    "text": " code:python(js)",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "js",
+      "filename": "python",
+      "indent": 2,
+      "start": true,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc31",
+    "text": "  console.log(\"I'm JavaScript\");",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "js",
+      "filename": "python",
+      "indent": 2,
+      "start": false,
+      "end": true
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc32",
+    "text": "文芸的プログラミング",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982825,
+    "section": { "number": 1, "start": false, "end": false },
+    "nodes": "文芸的プログラミング"
+  },
+  {
+    "id": "63b7b1261280f00000c9bc33",
+    "text": " 標準ヘッダファイルをインクルード",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "nodes": {
+      "type": "indent",
+      "unit": {
+        "whole": " 標準ヘッダファイルをインクルード",
+        "tag": " ",
+        "content": "標準ヘッダファイルをインクルード"
+      },
+      "children": "標準ヘッダファイルをインクルード"
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc34",
+    "text": "  code:main.cpp",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "cpp",
+      "filename": "main.cpp",
+      "indent": 3,
+      "start": true,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc35",
+    "text": "   #include <iostream>",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "cpp",
+      "filename": "main.cpp",
+      "indent": 3,
+      "start": false,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc36",
+    "text": "   ",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "cpp",
+      "filename": "main.cpp",
+      "indent": 3,
+      "start": false,
+      "end": true
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc37",
+    "text": " main函数の定義",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "nodes": {
+      "type": "indent",
+      "unit": {
+        "whole": " main函数の定義",
+        "tag": " ",
+        "content": "main函数の定義"
+      },
+      "children": "main函数の定義"
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc38",
+    "text": "  code:main.cpp",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "cpp",
+      "filename": "main.cpp",
+      "indent": 3,
+      "start": true,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc39",
+    "text": "   int main() {",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "cpp",
+      "filename": "main.cpp",
+      "indent": 3,
+      "start": false,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc3a",
+    "text": "     std::cout << \"Hello, C++\" << \"from scrapbox.io\" << std::endl;",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "cpp",
+      "filename": "main.cpp",
+      "indent": 3,
+      "start": false,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc3b",
+    "text": "   }",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "cpp",
+      "filename": "main.cpp",
+      "indent": 3,
+      "start": false,
+      "end": false
+    }
+  },
+  {
+    "id": "63b7b1261280f00000c9bc3c",
+    "text": "   ",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982822,
+    "updated": 1672982822,
+    "section": { "number": 1, "start": false, "end": false },
+    "codeBlock": {
+      "lang": "cpp",
+      "filename": "main.cpp",
+      "indent": 3,
+      "start": false,
+      "end": true
+    }
+  },
+  {
+    "id": "63b7b0911280f00000c9bc23",
+    "text": "",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982673,
+    "updated": 1672982673,
+    "section": { "number": 1, "start": false, "end": true },
+    "nodes": ""
+  },
+  {
+    "id": "63b7b0911280f00000c9bc24",
+    "text": "#2023-01-06 14:24:35 ",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982673,
+    "updated": 1672982674,
+    "section": { "number": 2, "start": true, "end": false },
+    "nodes": [
+      {
+        "type": "hashTag",
+        "unit": {
+          "page": "2023-01-06",
+          "tag": "#",
+          "content": "2023-01-06",
+          "whole": "#2023-01-06"
+        },
+        "children": "#2023-01-06"
+      },
+      " 14:24:35 "
+    ]
+  },
+  {
+    "id": "63b7b0931280f00000c9bc25",
+    "text": "",
+    "userId": "5ef2bdebb60650001e1280f0",
+    "created": 1672982674,
+    "updated": 1672982674,
+    "section": { "number": 2, "start": false, "end": true },
+    "nodes": ""
+  }
+]
diff --git a/browser/dom/selection.d.ts b/browser/dom/selection.d.ts
index 946d289..df6f530 100644
--- a/browser/dom/selection.d.ts
+++ b/browser/dom/selection.d.ts
@@ -2,7 +2,7 @@
 /// <reference lib="esnext"/>
 /// <reference lib="dom" />
 
-import { BaseStore } from "../../deps/scrapbox.ts";
+import { BaseLine, BaseStore } from "../../deps/scrapbox.ts";
 import { Position } from "./position.ts";
 
 export interface Range {
@@ -10,13 +10,17 @@ export interface Range {
   end: Position;
 }
 
-export declare class Selection extends BaseStore {
+export declare class Selection extends BaseStore<undefined> {
   constructor();
 
-  /** `scrapbox.Page.lines`とほぼ同じ */
-  get lines(): unknown[];
+  /** 現在のページ本文を取得する */
+  get lines(): BaseLine[];
 
-  /** 現在の選択範囲を取得する */
+  /** 現在の選択範囲を取得する
+   *
+   * @param init 選択範囲の先頭位置がRange.startになるよう並び替えたいときは`init.normalizeOrder`を`true`にする
+   * @return 現在の選択範囲
+   */
   getRange(init?: { normalizeOrder: boolean }): Range;
 
   /** 選択範囲を変更する */
@@ -25,9 +29,10 @@ export declare class Selection extends BaseStore {
   /** 選択を解除する */
   clear(): void;
 
-  /** algorithmがよくわからない
+  /** 選択範囲の先頭位置がrange.startになるよう並び替える
    *
-   * 何らかの条件に基づいて、startとendを入れ替えているのはわかる
+   * @param range 並び替えたい選択範囲
+   * @return 並び替えた選択範囲
    */
   normalizeOrder(range: Range): Range;
 
diff --git a/deps/scrapbox.ts b/deps/scrapbox.ts
index 9185839..b764a78 100644
--- a/deps/scrapbox.ts
+++ b/deps/scrapbox.ts
@@ -1,8 +1,9 @@
 export type {
+  BaseLine,
   Line,
   Scrapbox,
-} from "https://raw.githubusercontent.com/scrapbox-jp/types/0.3.8/userscript.ts";
+} from "https://raw.githubusercontent.com/scrapbox-jp/types/0.4.2/userscript.ts";
 export type {
   BaseStore,
-} from "https://raw.githubusercontent.com/scrapbox-jp/types/0.3.8/baseStore.ts";
+} from "https://raw.githubusercontent.com/scrapbox-jp/types/0.4.2/baseStore.ts";
 export * from "https://esm.sh/@progfay/scrapbox-parser@8.1.0";