diff --git a/src/renderer/fonts/Archivo-VariableFont_wdth,wght.ttf b/assets/fonts/Archivo-VariableFont_wdth,wght.ttf
similarity index 100%
rename from src/renderer/fonts/Archivo-VariableFont_wdth,wght.ttf
rename to assets/fonts/Archivo-VariableFont_wdth,wght.ttf
diff --git a/src/renderer/fonts/Fredoka-VariableFont_wdth,wght.ttf b/assets/fonts/Fredoka-VariableFont_wdth,wght.ttf
similarity index 100%
rename from src/renderer/fonts/Fredoka-VariableFont_wdth,wght.ttf
rename to assets/fonts/Fredoka-VariableFont_wdth,wght.ttf
diff --git a/src/renderer/fonts/Inter-VariableFont_slnt,wght.ttf b/assets/fonts/Inter-VariableFont_slnt,wght.ttf
similarity index 100%
rename from src/renderer/fonts/Inter-VariableFont_slnt,wght.ttf
rename to assets/fonts/Inter-VariableFont_slnt,wght.ttf
diff --git a/src/renderer/fonts/LeagueSpartan-VariableFont_wght.ttf b/assets/fonts/LeagueSpartan-VariableFont_wght.ttf
similarity index 100%
rename from src/renderer/fonts/LeagueSpartan-VariableFont_wght.ttf
rename to assets/fonts/LeagueSpartan-VariableFont_wght.ttf
diff --git a/src/renderer/fonts/Lexend-VariableFont_wght.ttf b/assets/fonts/Lexend-VariableFont_wght.ttf
similarity index 100%
rename from src/renderer/fonts/Lexend-VariableFont_wght.ttf
rename to assets/fonts/Lexend-VariableFont_wght.ttf
diff --git a/assets/fonts/NotoSansJP-VariableFont_wght.ttf b/assets/fonts/NotoSansJP-VariableFont_wght.ttf
new file mode 100644
index 00000000..4769abcc
Binary files /dev/null and b/assets/fonts/NotoSansJP-VariableFont_wght.ttf differ
diff --git a/src/renderer/fonts/Poppins-Black.ttf b/assets/fonts/Poppins-Black.ttf
similarity index 100%
rename from src/renderer/fonts/Poppins-Black.ttf
rename to assets/fonts/Poppins-Black.ttf
diff --git a/src/renderer/fonts/Poppins-Bold.ttf b/assets/fonts/Poppins-Bold.ttf
similarity index 100%
rename from src/renderer/fonts/Poppins-Bold.ttf
rename to assets/fonts/Poppins-Bold.ttf
diff --git a/src/renderer/fonts/Poppins-ExtraBold.ttf b/assets/fonts/Poppins-ExtraBold.ttf
similarity index 100%
rename from src/renderer/fonts/Poppins-ExtraBold.ttf
rename to assets/fonts/Poppins-ExtraBold.ttf
diff --git a/src/renderer/fonts/Poppins-Italic.ttf b/assets/fonts/Poppins-Italic.ttf
similarity index 100%
rename from src/renderer/fonts/Poppins-Italic.ttf
rename to assets/fonts/Poppins-Italic.ttf
diff --git a/src/renderer/fonts/Poppins-Light.ttf b/assets/fonts/Poppins-Light.ttf
similarity index 100%
rename from src/renderer/fonts/Poppins-Light.ttf
rename to assets/fonts/Poppins-Light.ttf
diff --git a/src/renderer/fonts/Poppins-Regular.ttf b/assets/fonts/Poppins-Regular.ttf
similarity index 100%
rename from src/renderer/fonts/Poppins-Regular.ttf
rename to assets/fonts/Poppins-Regular.ttf
diff --git a/src/renderer/fonts/Poppins-SemiBold.ttf b/assets/fonts/Poppins-SemiBold.ttf
similarity index 100%
rename from src/renderer/fonts/Poppins-SemiBold.ttf
rename to assets/fonts/Poppins-SemiBold.ttf
diff --git a/src/renderer/fonts/Raleway-VariableFont_wght.ttf b/assets/fonts/Raleway-VariableFont_wght.ttf
similarity index 100%
rename from src/renderer/fonts/Raleway-VariableFont_wght.ttf
rename to assets/fonts/Raleway-VariableFont_wght.ttf
diff --git a/src/renderer/fonts/Sora-VariableFont_wght.ttf b/assets/fonts/Sora-VariableFont_wght.ttf
similarity index 100%
rename from src/renderer/fonts/Sora-VariableFont_wght.ttf
rename to assets/fonts/Sora-VariableFont_wght.ttf
diff --git a/src/renderer/fonts/WorkSans-VariableFont_wght.ttf b/assets/fonts/WorkSans-VariableFont_wght.ttf
similarity index 100%
rename from src/renderer/fonts/WorkSans-VariableFont_wght.ttf
rename to assets/fonts/WorkSans-VariableFont_wght.ttf
diff --git a/src/renderer/themes/use-app-theme.ts b/src/renderer/themes/use-app-theme.ts
index 7b950f3d..f9db76bb 100644
--- a/src/renderer/themes/use-app-theme.ts
+++ b/src/renderer/themes/use-app-theme.ts
@@ -50,7 +50,10 @@ export const useAppTheme = (overrideTheme?: AppTheme) => {
     useEffect(() => {
         if (type === FontType.SYSTEM && system) {
             const root = document.documentElement;
-            root.style.setProperty('--theme-content-font-family', 'dynamic-font');
+            root.style.setProperty(
+                '--theme-content-font-family',
+                'dynamic-font, "Noto Sans JP", sans-serif',
+            );
 
             if (!textStyleRef.current) {
                 textStyleRef.current = document.createElement('style');
@@ -64,7 +67,10 @@ export const useAppTheme = (overrideTheme?: AppTheme) => {
             }`;
         } else if (type === FontType.CUSTOM && custom) {
             const root = document.documentElement;
-            root.style.setProperty('--theme-content-font-family', 'dynamic-font');
+            root.style.setProperty(
+                '--theme-content-font-family',
+                'dynamic-font, "Noto Sans JP", sans-serif',
+            );
 
             if (!textStyleRef.current) {
                 textStyleRef.current = document.createElement('style');
@@ -78,7 +84,10 @@ export const useAppTheme = (overrideTheme?: AppTheme) => {
             }`;
         } else {
             const root = document.documentElement;
-            root.style.setProperty('--theme-content-font-family', builtIn);
+            root.style.setProperty(
+                '--theme-content-font-family',
+                `${builtIn}, "Noto Sans JP", sans-serif`,
+            );
         }
     }, [builtIn, custom, system, type]);
 
diff --git a/src/shared/styles/global.css b/src/shared/styles/global.css
index 8b11a4f0..c9de9195 100644
--- a/src/shared/styles/global.css
+++ b/src/shared/styles/global.css
@@ -11,7 +11,8 @@
     text-rendering: optimizelegibility;
     -webkit-tap-highlight-color: rgb(0 0 0 / 0%);
     text-size-adjust: none;
-    outline: none;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
 }
 
 body {
@@ -122,59 +123,56 @@ button {
 @font-face {
     font-family: Archivo;
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/Archivo-VariableFont_wdth,wght.ttf')
-        format('truetype-variations');
+    src: url('../../../assets/fonts/Archivo-VariableFont_wdth,wght.ttf');
 }
 
 @font-face {
     font-family: Raleway;
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/Raleway-VariableFont_wght.ttf') format('truetype-variations');
+    src: url('../../../assets/fonts/Raleway-VariableFont_wght.ttf');
 }
 
 @font-face {
     font-family: Fredoka;
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/Fredoka-VariableFont_wdth,wght.ttf')
-        format('truetype-variations');
+    src: url('../../../assets/fonts/Fredoka-VariableFont_wdth,wght.ttf');
 }
 
 @font-face {
     font-family: 'League Spartan';
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/LeagueSpartan-VariableFont_wght.ttf')
-        format('truetype-variations');
+    src: url('../../../assets/fonts/LeagueSpartan-VariableFont_wght.ttf');
 }
 
 @font-face {
     font-family: Lexend;
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/Lexend-VariableFont_wght.ttf') format('truetype-variations');
+    src: url('../../../assets/fonts/Lexend-VariableFont_wght.ttf');
 }
 
 @font-face {
     font-family: Inter;
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/Inter-VariableFont_slnt,wght.ttf') format('truetype-variations');
+    src: url('../../../assets/fonts/Inter-VariableFont_slnt,wght.ttf');
 }
 
 @font-face {
     font-family: Sora;
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/Sora-VariableFont_wght.ttf') format('truetype-variations');
+    src: url('../../../assets/fonts/Sora-VariableFont_wght.ttf');
 }
 
 @font-face {
     font-family: 'Work Sans';
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/WorkSans-VariableFont_wght.ttf') format('truetype-variations');
+    src: url('../../../assets/fonts/WorkSans-VariableFont_wght.ttf');
 }
 
 @font-face {
     font-family: Poppins;
     font-style: normal;
     font-weight: 400;
-    src: url('../../renderer/fonts/Poppins-Regular.ttf') format('truetype');
+    src: url('../../../assets/fonts/Poppins-Regular.ttf');
     font-display: swap;
 }
 
@@ -182,7 +180,7 @@ button {
     font-family: Poppins;
     font-style: normal;
     font-weight: 600;
-    src: url('../../renderer/fonts/Poppins-SemiBold.ttf') format('truetype');
+    src: url('../../../assets/fonts/Poppins-SemiBold.ttf');
     font-display: swap;
 }
 
@@ -190,7 +188,7 @@ button {
     font-family: Poppins;
     font-style: normal;
     font-weight: 700;
-    src: url('../../renderer/fonts/Poppins-Bold.ttf') format('truetype');
+    src: url('../../../assets/fonts/Poppins-Bold.ttf');
     font-display: swap;
 }
 
@@ -198,7 +196,7 @@ button {
     font-family: Poppins;
     font-style: normal;
     font-weight: 800;
-    src: url('../../renderer/fonts/Poppins-ExtraBold.ttf') format('truetype');
+    src: url('../../../assets/fonts/Poppins-ExtraBold.ttf');
     font-display: swap;
 }
 
@@ -206,28 +204,21 @@ button {
     font-family: Poppins;
     font-style: normal;
     font-weight: 900;
-    src: url('../../renderer/fonts/Poppins-Black.ttf') format('truetype');
+    src: url('../../../assets/fonts/Poppins-Black.ttf');
     font-display: swap;
 }
 
 @font-face {
     font-family: Raleway;
     font-weight: 100 1000;
-    src: url('../../renderer/fonts/Raleway-VariableFont_wght.ttf') format('truetype-variations');
+    src: url('../../../assets/fonts/Raleway-VariableFont_wght.ttf');
 }
 
 @font-face {
-    font-family: DroidSerif;
-    src: url('https://rawgit.com/google/fonts/master/ufl/ubuntumono/UbuntuMono-Italic.ttf')
-        format('truetype');
-    unicode-range: U+000-5FF; /* Latin glyphs */
-}
-
-@font-face {
-    font-family: DroidSerif;
-    src: url('https://fonts.gstatic.com/ea/notosansjp/v5/NotoSansJP-Regular.woff2')
-        format('truetype');
-    unicode-range: U+3000-9FFF, U+ff??; /* Japanese glyphs */
+    font-family: 'Noto Sans JP';
+    font-weight: 100 900;
+    src: url('../../../assets/fonts/NotoSansJP-VariableFont_wght.ttf');
+    unicode-range: U+3000-9FFF, U+FF00-FFEF; /* Japanese characters */
 }
 
 :root {