썬데이 메이플 홈 배너 + 이미지 다이얼로그

- components/pc/SundayMapleBanner.jsx: 아이콘 + 라벨 버튼, 클릭 시 이미지 다이얼로그
- variant에 따라 '썬데이 메이플' / '스페셜 썬데이 메이플' 이미지 아이콘 사용
  (관리자 이미지 관리에서 업로드한 것)
- Home.jsx 상단에 배치 (금~일 available일 때만 렌더)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/src/components/pc/SundayMapleBanner.jsx

@@ -0,0 +1,124 @@
+import { useState } from 'react'
+import { useQuery } from '@tanstack/react-query'
+import { motion, AnimatePresence } from 'framer-motion'
+import { api } from '../../api/client'
+
+function SundayMapleDialog({ data, onClose }) {
+  return (
+    <AnimatePresence>
+      <motion.div
+        key="backdrop"
+        initial={{ opacity: 0 }}
+        animate={{ opacity: 1 }}
+        exit={{ opacity: 0 }}
+        transition={{ duration: 0.18 }}
+        className="fixed inset-0 z-50 flex items-center justify-center p-4 backdrop-blur-md"
+        style={{ background: 'var(--dialog-backdrop)' }}
+        onClick={onClose}
+      >
+        <motion.div
+          key="dialog"
+          initial={{ opacity: 0, scale: 0.94, y: 8 }}
+          animate={{ opacity: 1, scale: 1, y: 0 }}
+          exit={{ opacity: 0, scale: 0.96, y: 4 }}
+          transition={{ duration: 0.2, ease: [0.22, 1, 0.36, 1] }}
+          className="relative w-full max-w-[420px] max-h-[90vh] overflow-y-auto rounded-2xl border shadow-2xl"
+          style={{
+            background: 'var(--panel-bg)',
+            borderColor: 'var(--panel-border)',
+          }}
+          onClick={(e) => e.stopPropagation()}
+        >
+          <button
+            onClick={onClose}
+            className="absolute top-3 right-3 z-10 w-8 h-8 rounded-lg backdrop-blur-sm border flex items-center justify-center text-xl leading-none hover:bg-[var(--row-hover-bg)]"
+            style={{
+              background: 'var(--btn-bg)',
+              borderColor: 'var(--btn-border)',
+              color: 'var(--text-emphasis)',
+            }}
+            aria-label="닫기"
+          >
+            ×
+          </button>
+          <img src={data.image_url} alt="썬데이 메이플" className="w-full block" />
+          {data.event_post_url && (
+            <div className="px-4 py-3 border-t text-center" style={{ borderColor: 'var(--panel-border)' }}>
+              <a
+                href={data.event_post_url}
+                target="_blank"
+                rel="noopener noreferrer"
+                className="text-sm hover:text-[var(--accent-hover-text)]"
+                style={{ color: 'var(--accent)' }}
+              >
+                공식 공지 보기 →
+              </a>
+            </div>
+          )}
+        </motion.div>
+      </motion.div>
+    </AnimatePresence>
+  )
+}
+
+export default function SundayMapleBanner() {
+  const [open, setOpen] = useState(false)
+
+  const { data } = useQuery({
+    queryKey: ['sunday-maple', 'current'],
+    queryFn: () => api('/api/sunday-maple/current').catch(() => ({ available: false })),
+    staleTime: 10 * 60 * 1000,
+  })
+
+  // 이미지 관리에 업로드한 아이콘 URL (variant별)
+  const iconName = data?.variant === 'special' ? '스페셜 썬데이 메이플' : '썬데이 메이플'
+  const { data: iconData } = useQuery({
+    queryKey: ['image', iconName],
+    queryFn: () => api(`/api/images/${encodeURIComponent(iconName)}`).catch(() => null),
+    enabled: !!data?.available,
+    staleTime: Infinity,
+  })
+
+  if (!data?.available) return null
+
+  const label = data.variant === 'special' ? '스페셜 썬데이 메이플' : '썬데이 메이플'
+
+  return (
+    <>
+      <button
+        type="button"
+        onClick={() => setOpen(true)}
+        className="w-full rounded-2xl border p-4 flex items-center gap-4 transition-transform duration-300 hover:scale-[1.01]"
+        style={{
+          background: 'var(--selected-bg)',
+          borderColor: 'var(--selected-border)',
+          boxShadow: 'var(--panel-shadow)',
+        }}
+      >
+        <div
+          className="shrink-0 w-14 h-14 rounded-xl flex items-center justify-center overflow-hidden"
+          style={{ background: 'var(--panel-bg)' }}
+        >
+          {iconData?.url ? (
+            <img src={iconData.url} alt={label} className="w-full h-full object-contain" />
+          ) : (
+            <span className="text-2xl">📅</span>
+          )}
+        </div>
+        <div className="flex-1 min-w-0 text-left">
+          <div className="font-semibold text-base" style={{ color: 'var(--accent-bright)' }}>
+            이번 주 {label}
+          </div>
+          <div className="text-sm mt-0.5" style={{ color: 'var(--text-muted)' }}>
+            일요일에 받을 수 있는 혜택을 확인하세요
+          </div>
+        </div>
+        <div className="shrink-0 text-sm font-medium" style={{ color: 'var(--accent-bright)' }}>
+          보기 →
+        </div>
+      </button>
+
+      {open && <SundayMapleDialog data={data} onClose={() => setOpen(false)} />}
+    </>
+  )
+}

frontend/src/pages/pc/Home.jsx

@@ -2,6 +2,7 @@ import { Link } from 'react-router-dom'
 import { useQuery } from '@tanstack/react-query'
 import { api } from '../../api/client'
 import NoticeWidget from '../../components/pc/NoticeWidget'
+import SundayMapleBanner from '../../components/pc/SundayMapleBanner'
 
 export default function Home() {
   const { data: menus = [], isLoading: loading } = useQuery({
@@ -11,6 +12,9 @@ export default function Home() {
 
   return (
     <div className="space-y-10 max-w-5xl mx-auto pt-6">
+      {/* 썬데이 메이플 배너 (금~일만 표시) */}
+      <SundayMapleBanner />
+
       {/* 구분선 */}
       <div className="flex items-center gap-4">
         <div