diff --git a/dictation_client/src/pages/LicensePage/cardLicenseActivatePopup.tsx b/dictation_client/src/pages/LicensePage/cardLicenseActivatePopup.tsx
index 328e813..a41d16f 100644
--- a/dictation_client/src/pages/LicensePage/cardLicenseActivatePopup.tsx
+++ b/dictation_client/src/pages/LicensePage/cardLicenseActivatePopup.tsx
@@ -24,12 +24,15 @@ export const CardLicenseActivatePopup: React.FC<
   const { t } = useTranslation();
   const dispatch: AppDispatch = useDispatch();
   const isLoading = useSelector(selectIsLoading);
+  // 各テキストエリアの値
   const [keyNumber1, setKeyNumber1] = useState<string>("");
   const [keyNumber2, setKeyNumber2] = useState<string>("");
   const [keyNumber3, setKeyNumber3] = useState<string>("");
   const [keyNumber4, setKeyNumber4] = useState<string>("");
   const [keyNumber5, setKeyNumber5] = useState<string>("");
+  // 1つのテキストエリアに入る最大文字数
   const TEXTAREASIZE = 4;
+  // フォーカス操作時に使用
   const ref1 = useRef<HTMLTextAreaElement>(null);
   const ref2 = useRef<HTMLTextAreaElement>(null);
   const ref3 = useRef<HTMLTextAreaElement>(null);
@@ -99,6 +102,7 @@ export const CardLicenseActivatePopup: React.FC<
           input = input.substring(TEXTAREASIZE);
           break;
         default:
+          // テキストエリア5つから溢れる文字は切り捨てる
           input = "";
       }
       roopCount += 1;
@@ -123,6 +127,26 @@ export const CardLicenseActivatePopup: React.FC<
     moveTextarea(input.length, areaNum);
   };
 
+  // テキストエリア入力時(paste仕様)
+  const changeTextareaByPaste = (
+    e: React.ClipboardEvent<HTMLTextAreaElement>,
+    areaNum: number
+  ) => {
+    const input = e.clipboardData
+      .getData("text")
+      .toUpperCase()
+      .replace(/[^A-Z0-9]/g, "")
+      .substring(0, 20);
+    inputValueOnTextarea(input, areaNum);
+    moveFocusByPaste(input.length, areaNum);
+    if (e.clipboardData.getData("text").includes("\n")) {
+      setTimeout(() => {
+        onKeyDownEnter();
+      }, 0);
+    }
+    e.preventDefault();
+  };
+
   // フォーカスを移動する
   const moveFocus = (target: string) => {
     // stateの反映を同期してから実施
@@ -141,6 +165,32 @@ export const CardLicenseActivatePopup: React.FC<
     }
   };
 
+  // カーソルを現在入力されている中での最後尾に移動する
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  const moveCursorToLast = () => {
+    if (keyNumber5) {
+      moveFocus("textarea5");
+    } else if (keyNumber4) {
+      moveFocus("textarea4");
+    } else if (keyNumber3) {
+      moveFocus("textarea3");
+    } else if (keyNumber2) {
+      moveFocus("textarea2");
+    } else {
+      moveFocus("textarea1");
+    }
+  };
+
+  // ペースト時のフォーカスを設定する
+  const moveFocusByPaste = (length: number, areaNum: number) => {
+    let targetNum = areaNum + Math.floor(length / 4);
+    if (targetNum > 5) {
+      targetNum = 5;
+    }
+    const target = `textarea${targetNum.toString()}`;
+    moveFocus(target);
+  };
+
   // キー入力時判定
   const keyDown = (
     e: React.KeyboardEvent<HTMLTextAreaElement>,
@@ -158,7 +208,7 @@ export const CardLicenseActivatePopup: React.FC<
         moveFocus(`textarea${(areaNum - 1).toString()}`);
       }
     } else if (/^[a-zA-Z0-9]$/.test(e.key)) {
-      if (e.target.value.length === TEXTAREASIZE) {
+      if (e.target.value.length === TEXTAREASIZE && !e.ctrlKey) {
         e.preventDefault();
       }
     } else if (/^[!-/:-@[-`{-~]$/.test(e.key)) {
@@ -180,11 +230,7 @@ export const CardLicenseActivatePopup: React.FC<
     setIsPushActivateButton(true);
     const keyNumber = `${keyNumber1}${keyNumber2}${keyNumber3}${keyNumber4}${keyNumber5}`;
     if (keyNumber.length !== 20) {
-      const inputBox = document.getElementById("textarea5");
-      // カーソルをテキストボックスに戻す
-      if (inputBox) {
-        inputBox.focus();
-      }
+      moveCursorToLast();
       return;
     }
 
@@ -194,21 +240,30 @@ export const CardLicenseActivatePopup: React.FC<
     );
     setIsPushActivateButton(false);
 
-    // カーソルをテキストボックスに戻す
-    const inputBox = document.getElementById("textarea1");
-    if (inputBox) {
-      inputBox.focus();
-    }
-
     if (meta.requestStatus === "fulfilled") {
+      // カーソルを左端に戻す
+      const inputBox = document.getElementById("textarea1");
+      if (inputBox) {
+        inputBox.focus();
+      }
       dispatch(cleanupApps());
       setKeyNumber1("");
       setKeyNumber2("");
       setKeyNumber3("");
       setKeyNumber4("");
       setKeyNumber5("");
+    } else {
+      moveCursorToLast();
     }
-  }, [keyNumber1, keyNumber2, keyNumber3, keyNumber4, keyNumber5, dispatch]);
+  }, [
+    keyNumber1,
+    keyNumber2,
+    keyNumber3,
+    keyNumber4,
+    keyNumber5,
+    dispatch,
+    moveCursorToLast,
+  ]);
 
   // HTML
   return (
@@ -243,11 +298,12 @@ export const CardLicenseActivatePopup: React.FC<
                 // eslint-disable-next-line jsx-a11y/no-autofocus
                 autoFocus
                 onChange={(e) => {
-                  let cursorPos = 0;
-                  cursorPos = e.target.selectionStart;
+                  // カーソル位置保存
+                  const cursorPos = e.target.selectionStart;
                   changeTextarea(e, 1);
                   setTimeout(() => {
                     if (ref1.current) {
+                      // 保存したカーソル位置に設定
                       ref1.current.selectionStart = cursorPos;
                       ref1.current.selectionEnd = cursorPos;
                     }
@@ -262,6 +318,9 @@ export const CardLicenseActivatePopup: React.FC<
                     ref1.current.selectionEnd = e.target.value.length;
                   }
                 }}
+                onPaste={(e) => {
+                  changeTextareaByPaste(e, 1);
+                }}
               />
               <textarea
                 id="textarea2"
@@ -270,11 +329,12 @@ export const CardLicenseActivatePopup: React.FC<
                 className={styles.formInputKey}
                 ref={ref2}
                 onChange={(e) => {
-                  let cursorPos = 0;
-                  cursorPos = e.target.selectionStart;
+                  // カーソル位置保存
+                  const cursorPos = e.target.selectionStart;
                   changeTextarea(e, 2);
                   setTimeout(() => {
                     if (ref2.current) {
+                      // 保存したカーソル位置に設定
                       ref2.current.selectionStart = cursorPos;
                       ref2.current.selectionEnd = cursorPos;
                     }
@@ -289,6 +349,9 @@ export const CardLicenseActivatePopup: React.FC<
                     ref2.current.selectionEnd = e.target.value.length;
                   }
                 }}
+                onPaste={(e) => {
+                  changeTextareaByPaste(e, 2);
+                }}
               />
               <textarea
                 id="textarea3"
@@ -297,11 +360,12 @@ export const CardLicenseActivatePopup: React.FC<
                 className={styles.formInputKey}
                 ref={ref3}
                 onChange={(e) => {
-                  let cursorPos = 0;
-                  cursorPos = e.target.selectionStart;
+                  // カーソル位置保存
+                  const cursorPos = e.target.selectionStart;
                   changeTextarea(e, 3);
                   setTimeout(() => {
                     if (ref3.current) {
+                      // 保存したカーソル位置に設定
                       ref3.current.selectionStart = cursorPos;
                       ref3.current.selectionEnd = cursorPos;
                     }
@@ -316,6 +380,9 @@ export const CardLicenseActivatePopup: React.FC<
                     ref3.current.selectionEnd = e.target.value.length;
                   }
                 }}
+                onPaste={(e) => {
+                  changeTextareaByPaste(e, 3);
+                }}
               />
               <textarea
                 id="textarea4"
@@ -324,11 +391,12 @@ export const CardLicenseActivatePopup: React.FC<
                 className={styles.formInputKey}
                 ref={ref4}
                 onChange={(e) => {
-                  let cursorPos = 0;
-                  cursorPos = e.target.selectionStart;
+                  // カーソル位置保存
+                  const cursorPos = e.target.selectionStart;
                   changeTextarea(e, 4);
                   setTimeout(() => {
                     if (ref4.current) {
+                      // 保存したカーソル位置に設定
                       ref4.current.selectionStart = cursorPos;
                       ref4.current.selectionEnd = cursorPos;
                     }
@@ -343,6 +411,9 @@ export const CardLicenseActivatePopup: React.FC<
                     ref4.current.selectionEnd = e.target.value.length;
                   }
                 }}
+                onPaste={(e) => {
+                  changeTextareaByPaste(e, 4);
+                }}
               />
               <textarea
                 id="textarea5"
@@ -351,11 +422,12 @@ export const CardLicenseActivatePopup: React.FC<
                 className={styles.formInputKey}
                 ref={ref5}
                 onChange={(e) => {
-                  let cursorPos = 0;
-                  cursorPos = e.target.selectionStart;
+                  // カーソル位置保存
+                  const cursorPos = e.target.selectionStart;
                   changeTextarea(e, 5);
                   setTimeout(() => {
                     if (ref5.current) {
+                      // 保存したカーソル位置に設定
                       ref5.current.selectionStart = cursorPos;
                       ref5.current.selectionEnd = cursorPos;
                     }
@@ -370,6 +442,9 @@ export const CardLicenseActivatePopup: React.FC<
                     ref5.current.selectionEnd = e.target.value.length;
                   }
                 }}
+                onPaste={(e) => {
+                  changeTextareaByPaste(e, 5);
+                }}
               />
               {isPushActivateButton &&
                 keyNumber1.length +