diff --git a/src/Beutl.Controls/Styles.axaml b/src/Beutl.Controls/Styles.axaml
index 036092b73..c6d1730a9 100644
--- a/src/Beutl.Controls/Styles.axaml
+++ b/src/Beutl.Controls/Styles.axaml
@@ -9,6 +9,7 @@
     <Styles.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
+                <ResourceInclude Source="/Styling/ButtonStyles.axaml" />
                 <ResourceInclude Source="/Styling/ToggleSwitchStyles.axaml" />
                 <ResourceInclude Source="/Styling/ToggleButtonStyles.axaml" />
                 <ResourceInclude Source="/Styling/ComboBoxStyles.axaml" />
diff --git a/src/Beutl.Controls/Styling/ButtonStyles.axaml b/src/Beutl.Controls/Styling/ButtonStyles.axaml
new file mode 100644
index 000000000..f3d82aebc
--- /dev/null
+++ b/src/Beutl.Controls/Styling/ButtonStyles.axaml
@@ -0,0 +1,27 @@
+<ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:ui="using:FluentAvalonia.UI.Controls">
+
+    <Design.PreviewWith>
+        <Border Padding="16">
+            <Button Theme="{DynamicResource LiteButtonStyle}">
+                Hello
+            </Button>
+        </Border>
+    </Design.PreviewWith>
+
+    <ControlTheme x:Key="LiteButtonStyle"
+                  BasedOn="{StaticResource TransparentButton}"
+                  TargetType="Button">
+        <Setter Property="Padding" Value="0" />
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="BorderBrush" Value="Transparent" />
+        <Setter Property="BorderThickness" Value="0" />
+
+        <Style Selector="^:pointerover /template/ ui|FABorder#Root">
+            <Setter Property="Opacity" Value="0.8" />
+            <Setter Property="Background" Value="Transparent" />
+        </Style>
+    </ControlTheme>
+
+</ResourceDictionary>
diff --git a/src/Beutl/App.axaml b/src/Beutl/App.axaml
index 77fb75d7c..9da29d3d7 100644
--- a/src/Beutl/App.axaml
+++ b/src/Beutl/App.axaml
@@ -104,40 +104,6 @@
             </Style>
         </Style>
 
-        <Style Selector="Button.simple">
-            <Setter Property="FontFamily" Value="XamlAutoFontFamily" />
-            <Setter Property="TextBlock.TextTrimming" Value="CharacterEllipsis" />
-            <Setter Property="TextBlock.TextWrapping" Value="Wrap" />
-            <Setter Property="Padding" Value="0" />
-            <Setter Property="Background" Value="Transparent" />
-            <Setter Property="BorderBrush" Value="Transparent" />
-            <Setter Property="BorderThickness" Value="0" />
-            <Setter Property="Foreground" Value="{DynamicResource ButtonForegroundPressed}" />
-
-            <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
-                <Setter Property="Transitions">
-                    <Transitions />
-                </Setter>
-            </Style>
-
-            <Style Selector="^:pointerover /template/ Border#BorderElement">
-                <Setter Property="BorderBrush" Value="Transparent" />
-            </Style>
-            <Style Selector="^:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-                <Setter Property="Background" Value="Transparent" />
-                <Setter Property="TextBlock.Foreground" Value="{DynamicResource ButtonForeground}" />
-            </Style>
-
-            <Style Selector="^:pointerover /template/ Border#BorderElement">
-                <Setter Property="BorderBrush" Value="Transparent" />
-            </Style>
-            <Style Selector="^:pressed /template/ ContentPresenter#PART_ContentPresenter">
-                <Setter Property="Background" Value="Transparent" />
-                <Setter Property="TextBlock.Foreground" Value="{DynamicResource ButtonForeground}" />
-                <Setter Property="Opacity" Value="0.5" />
-            </Style>
-        </Style>
-
         <Style Selector="Label.breadcrumb">
             <Setter Property="FontFamily" Value="{DynamicResource SymbolThemeFontFamily}" />
             <Setter Property="FontSize" Value="16" />
diff --git a/src/Beutl/Pages/ExtensionsPages/DiscoverPages/PublicPackageDetailsPage.axaml b/src/Beutl/Pages/ExtensionsPages/DiscoverPages/PublicPackageDetailsPage.axaml
index d815a5dc6..cbadf775d 100644
--- a/src/Beutl/Pages/ExtensionsPages/DiscoverPages/PublicPackageDetailsPage.axaml
+++ b/src/Beutl/Pages/ExtensionsPages/DiscoverPages/PublicPackageDetailsPage.axaml
@@ -57,9 +57,9 @@
 
                     <Button Margin="0,0,0,32"
                             HorizontalAlignment="Center"
-                            Classes="simple"
                             Click="OpenPublisherPage_Click"
-                            Content="{Binding Package.Owner.Name}" />
+                            Content="{Binding Package.Owner.Name}"
+                            Theme="{StaticResource LiteButtonStyle}" />
 
                     <StackPanel HorizontalAlignment="Center" Spacing="8">
                         <ComboBox Margin="0,0,-32,0"
diff --git a/src/Beutl/Program.cs b/src/Beutl/Program.cs
index f00df988f..cda18fbe7 100644
--- a/src/Beutl/Program.cs
+++ b/src/Beutl/Program.cs
@@ -26,7 +26,7 @@ public static void Main(string[] args)
         using IDisposable _ = Telemetry.GetDisposable();
         Telemetry.Started();
 
-        // PGOを有効化
+        // ProfileOptimizationを有効化
         string jitProfiles = Path.Combine(BeutlEnvironment.GetHomeDirectoryPath(), "jitProfiles");
         if (!Directory.Exists(jitProfiles))
             Directory.CreateDirectory(jitProfiles);