diff --git a/core/src/plugin_api.mts b/core/src/plugin_api.mts
index 04e917c5..2c3a6958 100644
--- a/core/src/plugin_api.mts
+++ b/core/src/plugin_api.mts
@@ -2,9 +2,10 @@
  * @fileOverview プラグインAPIの型定義
  */
 
-export type NakoVariables = Map<string, any>;
-export type NakoCallbackEvent = (e: any)=>any;
+export type NakoVariables = Map<string, unknown>;
+export type NakoCallbackEvent = ((e: object) => boolean) | ((e: object, sys: any) => boolean);
 export type NakoCallback = string | NakoCallbackEvent;
+export type NakoValue = string | number | boolean | bigint | object | null | undefined;
 
 // NakoSystem
 export interface NakoSystem {
@@ -12,15 +13,15 @@ export interface NakoSystem {
   coreVersion: string;
   isDebug: boolean;
   tags: any; // 何を設定しても良い自由なタグ領域
-  __interval: any[]; // setIntervalのIDを保持する配列
-  __timeout: any[]; // setTimeoutのIDを保持する配列
+  __interval: string|number[]; // setIntervalのIDを保持する配列
+  __timeout: string|number[]; // setTimeoutのIDを保持する配列
   __reisetu: number; // 礼節レベル(ジョーク機能)
   __printPool: string; // 『継続表示』のための一時変数(『表示』実行で初期化)
-  __getSysVar (name: string, defaultValue?: any): any; // システム変数の参照
-  __setSysVar (name: string, value: any): void; // システム変数の設定
-  __findVar (name: NakoCallback, defaultValue?: any): any;
-  __findFunc (nameStr: any, parentFunc: string): any;
-  __exec (func: string, params: any[]): any;
+  __getSysVar(name: string, defaultValue?: NakoValue): any; // システム変数の参照
+  __setSysVar(name: string, value: NakoValue): void; // システム変数の設定
+  __findVar(name: NakoCallback, defaultValue?: NakoValue): any; // 変数を探す
+  __findFunc(nameStr: string, parentFunc: string): NakoCallback | any;
+  __exec(func: string, params: NakoValue[]): any;
   __setSore(v: any): void;
   __getSore(): any;
   __loadScript(url: string): Promise<void>; // JSのスクリプトを読み込む (ex) グラフ描画(plguin_browser_chart.mts)
@@ -32,9 +33,9 @@ export interface NakoSystem {
   __formatDate (t: Date): string;
   __formatTime (t: Date): string;
   __str2date(s: string): Date;
-  __parseFloatOrBigint(v: any): number | bigint;
-  __evalJS(code: string, sys?: NakoSystem): any;
-  __evalSafe(code: string): any;
+  __parseFloatOrBigint(v: NakoValue): number | bigint;
+  __evalJS(code: string, sys?: NakoSystem): NakoValue;
+  __evalSafe(code: string): NakoValue;
   josiList: string[];
   reservedWords: string[];
   // 実際には存在するが利用が非推奨なメソッドやプロパティ
diff --git a/src/cnako3.mts b/src/cnako3.mts
index 0e9715cf..17e6d656 100755
--- a/src/cnako3.mts
+++ b/src/cnako3.mts
@@ -9,7 +9,7 @@ import { CNako3 } from './cnako3mod.mjs'
   const cnako3: CNako3 = new CNako3()
   try {
     await cnako3.execCommand()
-  } catch (err: any) {
+  } catch (err: unknown) {
     // 何かしらのエラーがあればコンソールに返す
     // ここで出るエラーは致命的なエラー
     console.error('[cnako3のエラー]', err)
diff --git a/src/plugin_browser.mts b/src/plugin_browser.mts
index 2bb1b633..c3231e12 100644
--- a/src/plugin_browser.mts
+++ b/src/plugin_browser.mts
@@ -1,5 +1,9 @@
-// plugin_browser
-// @ts-nocheck
+/**
+ * @fileOverview ブラウザプラグイン
+ */
+import { NakoValue, NakoCallback, NakoCallbackEvent } from '../core/src/plugin_api.mjs'
+import { NakoBrowsesrSystem, IBrowserDocument, IBrowserWindow, IBrowserLocation } from './plugin_browser_api.mjs'
+
 import PartBrowserColor from './plugin_browser_color.mjs'
 import PartBrowserSystem from './plugin_browser_system.mjs'
 import PartBrowserDialog from './plugin_browser_dialog.mjs'
@@ -55,20 +59,20 @@ const PluginBrowser = {
     type: 'func',
     josi: [],
     pure: true,
-    fn: function (sys: any) {
+    fn: function (sys: NakoBrowsesrSystem) {
       /* eslint no-global-assign: 0 */
-      const doc: any = (typeof document === 'undefined') ? { 'body': {} } : document
-      const win: any = (typeof window === 'undefined') ? { 'location': { 'href': 'http://localhost/' } } : window
-      const nav: any = (typeof navigator === 'undefined') ? {} : navigator
-      const loc: any = (typeof win.location === 'undefined') ? { 'href': 'http://localhost/' } : win.location
+      const doc: IBrowserDocument = (typeof document === 'undefined') ? { 'body': {}, 'querySelector': ()=>null } : document
+      const win: IBrowserWindow = (typeof window === 'undefined') ? { 'location': { 'href': 'http://localhost/' } } : window
+      const nav: object = (typeof navigator === 'undefined') ? {} : navigator
+      const loc: IBrowserLocation = (typeof win.location === 'undefined') ? { 'href': 'http://localhost/' } : win.location
 
       // 定数を初期化
-      sys.__setSysVar('AJAX:ONERROR', (err: any) => { console.log(err) })
+      sys.__setSysVar('AJAX:ONERROR', (err: unknown) => { console.log(err) })
       // オブジェクトを初期化
-      sys.__setSysVar('DOCUMENT', doc)
-      sys.__setSysVar('WINDOW', win)
-      sys.__setSysVar('NAVIGATOR', nav)
-      sys.__setSysVar('DOM親要素', doc.body)
+      sys.__setSysVar('DOCUMENT', doc as unknown as NakoValue)
+      sys.__setSysVar('WINDOW', win as unknown as NakoValue)
+      sys.__setSysVar('NAVIGATOR', nav as unknown as NakoValue)
+      sys.__setSysVar('DOM親要素', doc.body as NakoValue)
       sys.__setSysVar('ブラウザURL', loc.href)
 
       // 便利なメソッドを定義
@@ -87,69 +91,86 @@ const PluginBrowser = {
       // 「!クリア」でDOMイベントを削除するため
       sys.__dom_events = [] // [{}, {}, {} ...]
       // DOM追加イベント
-      sys.__addEvent = (dom: any, event: any, func: any, setHandler: any) => {
-        // dom
+      sys.__addEvent = (dom: HTMLElement|string, event: string, func: NakoCallback, setHandler: NakoCallbackEvent) => {
+        // dom element
+        let domElement: HTMLElement|null = null
         if (typeof (dom) === 'string') {
-          dom = doc.querySelector(dom)
-          if (!dom) { throw new Error('DOMイベントが追加できません。要素が見当たりません。') }
+          domElement = doc.querySelector(dom)
+          if (!domElement) { throw new Error('DOMイベントが追加できません。要素が見当たりません。') }
+        } else {
+          domElement = dom
         }
         // func
         if (typeof (func) === 'string') {
-          func = sys.__findVar(func, null)
+          func = sys.__findVar(func, null) as NakoCallback
           if (!func) { throw new Error('DOMイベントが追加できません。関数が見当たりません。') }
         }
         // make wrapper func
-        const wrapperFunc = (e: any) => {
+        const wrapperFunc = (e: Event) => {
           sys.__setSysVar('対象', e.target)
           sys.__setSysVar('対象イベント', e)
           // 追加データが得られる場合
           if (setHandler) { setHandler(e, sys) }
-          if (sys.__genMode === '非同期モード') { sys.newenv = true }
-          return func(e, sys)
+          if (typeof func == 'function') {
+            return func(e, sys)
+          }
+          return false
         }
         // add
-        sys.__dom_events.push({ dom, event, func: wrapperFunc, rawFunc: func })
-        dom.addEventListener(event, wrapperFunc)
+        sys.__dom_events.push({ dom: domElement, event, func: wrapperFunc, rawFunc: func })
+        const domWithEventListenr = dom as { addEventListener: (event: string, func: (e: Event) => void) => void }
+        if (typeof domWithEventListenr.addEventListener === 'function') {
+          domWithEventListenr.addEventListener(event, wrapperFunc)
+        }
       }
       // キーイベントハンドラ
-      sys.__keyHandler = (e: any, sys: any) => {
+      sys.__keyHandler = (e: KeyboardEvent, sys: NakoBrowsesrSystem) => {
         sys.__setSysVar('押キー', e.key)
       }
       // マウスイベントハンドラ
-      sys.__mouseHandler = (e, sys) => {
-        const box = e.target.getBoundingClientRect()
-        sys.__setSysVar('マウスX', e.clientX - box.left)
-        sys.__setSysVar('マウスY', e.clientY - box.top)
-        if (e.button !== undefined) {
-          const buttonLabels = ['左', '中央', '右']
-          sys.__setSysVar('押ボタン', buttonLabels[e.button])
+      sys.__mouseHandler = (e: MouseEvent, sys: NakoBrowsesrSystem) => {
+        const target = e.target as HTMLElement;
+        if (target && target instanceof HTMLElement) {
+          const box = target.getBoundingClientRect()
+          sys.__setSysVar('マウスX', e.clientX - box.left)
+          sys.__setSysVar('マウスY', e.clientY - box.top)
+          if (e.button !== undefined) {
+            const buttonLabels = ['左', '中央', '右']
+            sys.__setSysVar('押ボタン', buttonLabels[e.button])
+          }
         }
       }
       // タッチイベントハンドラ
-      sys.__touchHandler = (e, sys) => {
-        const box = e.target.getBoundingClientRect()
-        const touches = e.changedTouches
-        if (touches.length <= 0) { return }
-        const ts = []
-        for (let i = 0; i < touches.length; i++) {
-          const t = touches[i]
-          const tx = t.clientX - box.left
-          const ty = t.clientY - box.top
-          if (i === 0) {
-            sys.__setSysVar('タッチX', tx)
-            sys.__setSysVar('タッチY', ty)
+      sys.__touchHandler = (e: TouchEvent, sys: NakoBrowsesrSystem) => {
+        const target = e.target as HTMLElement;
+        if (target && target instanceof HTMLElement) {
+          const box = target.getBoundingClientRect()
+          const touches = e.changedTouches
+          if (touches.length <= 0) { return }
+          const ts = []
+          for (let i = 0; i < touches.length; i++) {
+            const t = touches[i]
+            const tx = t.clientX - box.left
+            const ty = t.clientY - box.top
+            if (i === 0) {
+              sys.__setSysVar('タッチX', tx)
+              sys.__setSysVar('タッチY', ty)
+            }
+            ts.push([tx, ty])
           }
-          ts.push([tx, ty])
+          sys.__setSysVar('タッチ配列', ts)
+          return ts
         }
-        sys.__setSysVar('タッチ配列', ts)
-        return ts
       }
       // DOMイベント削除 (探して削除)
       sys.__removeEvent = (dom, event, func) => {
         // dom
+        let domElement: HTMLElement|null = null
         if (typeof (dom) === 'string') {
-          dom = doc.querySelector(dom)
-          if (!dom) { throw new Error('DOMイベントが削除できません。要素が見当たりません。') }
+          domElement = doc.querySelector(dom)
+          if (!domElement) { throw new Error('DOMイベントが削除できません。要素が見当たりません。') }
+        } else {
+          domElement = dom
         }
         // func
         if (typeof (func) === 'string') {
@@ -169,19 +190,19 @@ const PluginBrowser = {
       // requestAnimationFrame のためのid
       sys.__requestAnimationFrameLastId = 0
       // DOMイベント全クリア
-      sys.__removeAllDomEvent = () => {
+      sys.__removeAllDomEvents = () => {
         sys.__dom_events.forEach(e => {
           e.dom.removeEventListener(e.event, e.func)
         })
         sys.__dom_events = []
         // requestAnimationFrame
         if (sys.__requestAnimationFrameLastId > 0) {
-          win.cancelAnimationFrame(sys.__requestAnimationFrameLastId)
+          (win as Window).cancelAnimationFrame(sys.__requestAnimationFrameLastId)
           sys.__requestAnimationFrameLastId = 0
         }
       }
       // DOM取得のために使う
-      sys.__query = (dom, commandName, isGetFunc) => {
+      sys.__query = (dom: object|string, commandName: string, isGetFunc: boolean) => {
         const elm = (typeof dom === 'string') ? document.querySelector(dom) : dom
         if (!elm) {
           if (isGetFunc) {
@@ -201,7 +222,7 @@ const PluginBrowser = {
           const script = document.createElement('script')
           script.type = 'text/javascript'
           script.src = url
-          script.onload = resolve
+          script.onload = () => { resolve() }
           script.onerror = () => {
             reject(new Error(`Failed to load script at url: ${url}`))
           }
@@ -214,13 +235,16 @@ const PluginBrowser = {
     type: 'func',
     josi: [],
     pure: true,
-    fn: function (sys) {
+    fn: function (sys: NakoBrowsesrSystem) {
       // chart.jsを破棄
       if (sys.__chartjs) {
-        sys.__chartjs.destroy()
+        const chartjs = sys.__chartjs as { destroy: () => void }
+        if (typeof chartjs.destroy === 'function') {
+          chartjs.destroy()
+        }
       }
       // 全DOMイベントをクリア
-      sys.__removeAllDomEvent()
+      sys.__removeAllDomEvents()
     }
   }
 }
diff --git a/src/plugin_browser_api.mts b/src/plugin_browser_api.mts
new file mode 100644
index 00000000..30dd7f1a
--- /dev/null
+++ b/src/plugin_browser_api.mts
@@ -0,0 +1,46 @@
+import { NakoSystem, NakoCallback, NakoCallbackEvent } from '../core/src/plugin_api.mjs'
+
+export interface IKeyEvent extends Event {
+  key: string
+  code: string
+  shiftKey: boolean
+  ctrlKey: boolean
+  altKey: boolean
+  metaKey: boolean
+}
+export interface ITouchEvent extends Event {
+  touches: object
+}
+export interface IBrowserLocation { // 暫定型 (window.location)
+  href: string
+}
+export interface IBrowserWindow { // 暫定型 - 本来は Window (ブラウザ以外の環境でもなんとなく動かすために定義)
+  location: IBrowserLocation
+}
+export interface IBrowserDocument { // 暫定型 - 本来は Document
+  body: object
+  querySelector: (selector: string) => HTMLElement|null
+}
+export interface NakoDomEvent {
+  dom: HTMLElement
+  event: string
+  func: (e: Event) => void
+  rawFunc: NakoCallback
+}
+export type NakoDom = HTMLElement|string
+
+export interface NakoBrowsesrSystem extends NakoSystem {
+  __query(dom: NakoDom, commandName: string, isGetFunc: boolean): object|null
+  __addEvent(dom: NakoDom, event: string, func: NakoCallback, setHandler: NakoCallbackEvent|null): void
+  __keyHandler(e: KeyboardEvent, sys: NakoBrowsesrSystem): void
+  __mouseHandler(e: MouseEvent, sys: NakoBrowsesrSystem): void
+  __touchHandler(e: TouchEvent, sys: NakoBrowsesrSystem): void
+  __removeEvent(dom: NakoDom, event: string, funcStr: NakoCallback): void
+  __removeAllDomEvents(): void
+  __tohtml(text: string): string
+  __tohtmlQ(text: string): string
+  __dom_events: NakoDomEvent[]
+  __requestAnimationFrameLastId: number
+  __chartjs: object
+}
+
diff --git a/src/plugin_browser_dom_event.mts b/src/plugin_browser_dom_event.mts
index a8936174..8377443e 100644
--- a/src/plugin_browser_dom_event.mts
+++ b/src/plugin_browser_dom_event.mts
@@ -1,4 +1,5 @@
-// @ts-nocheck
+import { NakoCallback, NakoCallbackEvent } from '../core/src/plugin_api.mjs'
+import { NakoBrowsesrSystem, NakoDom } from './plugin_browser_api.mjs'
 export default {
   // @DOM操作とイベント
   '対象イベント': { type: 'const', value: '' }, // @たいしょういべんと
@@ -6,7 +7,7 @@ export default {
     type: 'func',
     josi: [['の'], ['に', 'へ'], ['を']],
     pure: true,
-    fn: function (dom: any, event: any, funcStr: any, sys: any) {
+    fn: function (dom: NakoDom, event: string, funcStr: string, sys: NakoBrowsesrSystem) {
       sys.__addEvent(dom, event, funcStr, null)
     },
     return_none: true
@@ -15,7 +16,7 @@ export default {
     type: 'func',
     josi: [['の'], ['から'], ['を']],
     pure: true,
-    fn: function (dom: any, event: any, funcStr: any, sys: any) {
+    fn: function (dom: NakoDom, event: string, funcStr: NakoCallback, sys: NakoBrowsesrSystem) {
       sys.__removeEvent(dom, event, funcStr)
     },
     return_none: true
@@ -24,7 +25,7 @@ export default {
     type: 'func',
     josi: [['で'], ['の'], ['が']],
     pure: true,
-    fn: function (callback: any, dom: any, event: any, sys: any) {
+    fn: function (callback: NakoCallback, dom: NakoDom, event: string, sys: NakoBrowsesrSystem) {
       sys.__addEvent(dom, event, callback, null)
     },
     return_none: true
@@ -33,8 +34,14 @@ export default {
     type: 'func',
     josi: [['を', 'の']],
     pure: true,
-    fn: function (event: any, sys: any) {
-      event.preventDefault()
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    fn: function (event: unknown, sys: NakoBrowsesrSystem) {
+      if (event !== null && typeof event == 'object' && 'preventDefault' in event) {
+        const objWithFn = event as { preventDefault: () => void }
+        if (typeof objWithFn.preventDefault === 'function') {
+          objWithFn.preventDefault()
+        }
+      }
     },
     return_none: true
   },
@@ -42,8 +49,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'click', func, sys.__mouseHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'click', func, sys.__mouseHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -51,8 +58,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'dblclick', func, sys.__mouseHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'dblclick', func, sys.__mouseHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -60,7 +67,7 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
       sys.__addEvent(dom, 'click', func, null)
     },
     return_none: true
@@ -69,7 +76,7 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
       sys.__addEvent(dom, 'load', func, null)
     },
     return_none: true
@@ -78,7 +85,7 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
       sys.__addEvent(dom, 'submit', func, null)
     },
     return_none: true
@@ -88,8 +95,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'keydown', func, sys.__keyHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'keydown', func, sys.__keyHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -97,8 +104,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'keyup', func, sys.__keyHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'keyup', func, sys.__keyHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -106,8 +113,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'keypress', func, sys.__keyHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'keypress', func, sys.__keyHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -118,8 +125,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'mousedown', func, sys.__mouseHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'mousedown', func, sys.__mouseHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -127,8 +134,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'mousemove', func, sys.__mouseHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'mousemove', func, sys.__mouseHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -136,8 +143,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'mouseup', func, sys.__mouseHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'mouseup', func, sys.__mouseHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -145,8 +152,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'mouseover', func, sys.__mouseHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'mouseover', func, sys.__mouseHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -154,8 +161,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'mouseout', func, sys.__mouseHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'mouseout', func, sys.__mouseHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -164,10 +171,13 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'wheel', func, (e) => {
-        sys.__setSysVar('マウスホイール値', e.deltaY)
-      })
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'wheel', func, ((e: object) => {
+        const objWithDeltaY = e as { deltaY: number }
+        if (typeof objWithDeltaY.deltaY === 'number') {
+          sys.__setSysVar('マウスホイール値', objWithDeltaY.deltaY)
+        }
+      }) as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -178,7 +188,7 @@ export default {
     type: 'func',
     josi: [['の']],
     pure: true,
-    fn: function (e: any, sys: any) {
+    fn: function (e: TouchEvent, sys: NakoBrowsesrSystem) {
       return sys.__touchHandler(e, sys)
     }
   },
@@ -186,8 +196,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'touchstart', func, sys.__touchHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'touchstart', func, sys.__touchHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -195,8 +205,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'touchmove', func, sys.__touchHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'touchmove', func, sys.__touchHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -204,8 +214,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'touchend', func, sys.__touchHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'touchend', func, sys.__touchHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -213,8 +223,8 @@ export default {
     type: 'func',
     josi: [['で'], ['を', 'の']],
     pure: true,
-    fn: function (func: any, dom: any, sys: any) {
-      sys.__addEvent(dom, 'touchcancel', func, sys.__touchHandler)
+    fn: function (func: NakoCallback, dom: NakoDom, sys: NakoBrowsesrSystem) {
+      sys.__addEvent(dom, 'touchcancel', func, sys.__touchHandler as NakoCallbackEvent)
     },
     return_none: true
   },
@@ -222,10 +232,10 @@ export default {
     type: 'func',
     josi: [['を']],
     pure: true,
-    fn: function (func: any, sys: any) {
-      func = sys.__findVar(func, null) // 文字列指定なら関数に変換
+    fn: function (func: unknown, sys: NakoBrowsesrSystem) {
+      func = sys.__findVar(func as NakoCallback, null) // 文字列指定なら関数に変換
       if (!func) { throw new Error('『画面更新時実行』で関数の取得に失敗しました。') }
-      sys.__requestAnimationFrameLastId = window.requestAnimationFrame(func)
+      sys.__requestAnimationFrameLastId = window.requestAnimationFrame(func as unknown as FrameRequestCallback)
       return sys.__requestAnimationFrameLastId
     }
   },
@@ -233,7 +243,7 @@ export default {
     type: 'func',
     josi: [['の', 'を']],
     pure: true,
-    fn: function (id: any, sys: any) {
+    fn: function (id: number, sys: NakoBrowsesrSystem) {
       window.cancelAnimationFrame(id)
       if (sys.__requestAnimationFrameLastId === id) { sys.__requestAnimationFrameLastId = 0 }
     },
diff --git a/src/plugin_turtle.mts b/src/plugin_turtle.mts
index b2983e91..b44c0451 100644
--- a/src/plugin_turtle.mts
+++ b/src/plugin_turtle.mts
@@ -700,9 +700,9 @@ const PluginTurtle = {
       if (typeof func !== 'function') { return }
       const tid = sys.tags.turtles.target
       const tt = sys.tags.turtles.list[tid]
-      tt.canvas.onclick = (e: any) => {
+      tt.canvas.onclick = (e: Event) => {
         sys.__setSysVar('対象', e.target)
-        return func(e)
+        return func(e, sys)
       }
     },
     return_none: true