fix: Repositoryselector layout

Author: ishikawa-pro

src/components/RepositorySelector.tsx

@@ -8,10 +8,10 @@ interface RepositorySelectorProps {
   onSelectFromHistory?: (repoPath: string) => void;
 }
 
-const RepositorySelector: React.FC<RepositorySelectorProps> = ({ 
-  onSelect, 
-  repoHistory = [], 
-  onSelectFromHistory 
+const RepositorySelector: React.FC<RepositorySelectorProps> = ({
+  onSelect,
+  repoHistory = [],
+  onSelectFromHistory
 }) => {
   const formatDate = (date: Date) => {
     return new Date(date).toLocaleDateString('ja-JP', {
@@ -32,9 +32,6 @@ const RepositorySelector: React.FC<RepositorySelectorProps> = ({
         <h2 className="text-2xl font-bold text-gray-900 mb-4">
           Select a Git Repository
         </h2>
-        <p className="text-gray-600 mb-8 max-w-md">
-          Choose a local Git repository to view diffs between branches with syntax highlighting.
-        </p>
         <button
           onClick={onSelect}
           className="inline-flex items-center px-6 py-3 border border-transparent text-base font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500"
@@ -82,4 +79,4 @@ const RepositorySelector: React.FC<RepositorySelectorProps> = ({
   );
 };
 
-export default RepositorySelector; 
+export default RepositorySelector;