style: ScheduleDetail 페이지 애니메이션 개선

- 로딩 스피너 제거
- 딜레이 및 부드러운 easing 적용

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend-temp/src/pages/pc/public/schedule/ScheduleDetail.jsx

@@ -25,11 +25,7 @@ function PCScheduleDetail() {
   });
 
   if (isLoading) {
-    return (
+    return <div className="min-h-[calc(100vh-64px)] bg-gray-50" />;
-      <div className="min-h-[calc(100vh-64px)] flex items-center justify-center bg-gray-50">
-        <div className="w-10 h-10 border-3 border-primary border-t-transparent rounded-full animate-spin" />
-      </div>
-    );
   }
 
   if (error || !schedule) {
@@ -137,8 +133,13 @@ function PCScheduleDetail() {
       <div className={`${isYoutube ? 'max-w-5xl' : 'max-w-3xl'} mx-auto px-6 py-8`}>
         {/* 브레드크럼 네비게이션 */}
         <motion.div
-          initial={{ opacity: 0, y: -10 }}
+          initial={{ opacity: 0 }}
-          animate={{ opacity: 1, y: 0 }}
+          animate={{ opacity: 1 }}
+          transition={{
+            duration: 0.3,
+            ease: [0.25, 0.1, 0.25, 1],
+            delay: 0.1,
+          }}
           className={`flex items-center gap-2 text-sm text-gray-500 mb-8 ${isX ? 'max-w-2xl mx-auto' : ''}`}
         >
           <Link to="/schedule" className="hover:text-primary transition-colors">
@@ -154,9 +155,13 @@ function PCScheduleDetail() {
 
         {/* 메인 컨텐츠 */}
         <motion.div
-          initial={{ opacity: 0, y: 20 }}
+          initial={{ opacity: 0, y: 12 }}
           animate={{ opacity: 1, y: 0 }}
-          transition={{ delay: 0.05 }}
+          transition={{
+            duration: 0.4,
+            ease: [0.25, 0.1, 0.25, 1],
+            delay: 0.15,
+          }}
           className={`${hasCustomLayout ? '' : 'bg-white rounded-3xl shadow-sm p-8'}`}
         >
           {renderCategorySection()}