diff --git a/index.html b/index.html
index 319489a..a856db5 100644
--- a/index.html
+++ b/index.html
@@ -2,7 +2,7 @@
 <html lang="ja">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/TaskTrees.svg" />
+    <link rel="icon" type="image/svg+xml" href="/src/assets/TaskTrees.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
     <title>TaskTrees</title>
   </head>
diff --git a/public/TaskTrees.svg b/src/assets/TaskTrees.svg
similarity index 100%
rename from public/TaskTrees.svg
rename to src/assets/TaskTrees.svg
diff --git a/src/components/HomePage.tsx b/src/components/HomePage.tsx
index 670bf05..6d54827 100644
--- a/src/components/HomePage.tsx
+++ b/src/components/HomePage.tsx
@@ -71,7 +71,7 @@ export function HomePage() {
               ) : (
                 <Typography variant='h3'>
                   <img
-                    src='/TaskTrees.svg'
+                    src='/src/assets/TaskTrees.svg'
                     alt='Task Tree'
                     style={{ width: '35px', height: '35px', marginTop: '30px', marginRight: '10px' }}
                   />
@@ -94,7 +94,11 @@ export function HomePage() {
           // アカウント削除の確認ダイアログ
           <>
             <Typography sx={{ marginBottom: 0 }} variant='h3'>
-              <img src='/TaskTrees.svg' alt='Task Tree' style={{ width: '35px', height: '35px', marginRight: '10px' }} />
+              <img
+                src='/src/assets/TaskTrees.svg'
+                alt='Task Tree'
+                style={{ width: '35px', height: '35px', marginRight: '10px' }}
+              />
               TaskTrees
             </Typography>
             <Box sx={{ width: '100%', marginTop: -1, marginBottom: 4 }}>
@@ -123,7 +127,7 @@ export function HomePage() {
         // ログイン前の画面
         <>
           <Typography sx={{ marginBottom: 0 }} variant='h3'>
-            <img src='/TaskTrees.svg' alt='Task Tree' style={{ width: '35px', height: '35px', marginRight: '10px' }} />
+            <img src='/src/assets/TaskTrees.svg' alt='Task Tree' style={{ width: '35px', height: '35px', marginRight: '10px' }} />
             TaskTrees
           </Typography>
           <Box sx={{ width: '100%', marginTop: -1, marginBottom: 4 }}>
diff --git a/src/components/TreeSettingsAccordion.tsx b/src/components/TreeSettingsAccordion.tsx
index e1b8432..4b979fc 100644
--- a/src/components/TreeSettingsAccordion.tsx
+++ b/src/components/TreeSettingsAccordion.tsx
@@ -211,7 +211,7 @@ export function TreeSettingsAccordion({ deleteTree }: TreeSettingsAccordionProps
           }}
         >
           <Stack direction='row' sx={{ height: 40, width: '100%', margin: '0 auto' }}>
-            <img src='/TaskTrees.svg' alt='Task Tree' style={{ width: '28px', height: '28px', marginTop: 5 }} />
+            <img src='/src/assets/TaskTrees.svg' alt='Task Tree' style={{ width: '28px', height: '28px', marginTop: 5 }} />
             {isAccordionExpanded ? (
               <TextField
                 id='outlined-basic'
