fix(Card): bgとborderが上書きされてしまう問題を修正

Author: staticWagomU

2025/src/components/Card.astro

@@ -9,7 +9,9 @@ const { class: className } = Astro.props;
 <div
   class:list={[
     className,
-    "rounded-lg border border-emerald-100 bg-card text-card-foreground",
+    "rounded-lg border text-card-foreground",
+    [(className ?? '').search('border-') === -1 && 'border-emerald-100'],
+    [(className ?? '').search('bg-') === -1 && 'bg-card'],
   ]}
 >
   <slot />