{
  "type": "2x2 grid of Japanese digital advertisement banners",
  "layout": {
    "structure": "4 equal quadrants",
    "quadrants": [
      {
        "position": "top-left",
        "theme": "Travel",
        "subject": "A couple holding hands on a white sand beach, looking out at turquoise ocean water under a bright blue sky.",
        "elements": ["red hibiscus flower in bottom left corner"],
        "text_labels": [
          "This year, set yourself free.",
          "{argument name=\"travel destination\" default=\"Okinawa Trip\"}",
          "3-day healing journey",
          "Flight + Hotel",
          "From ¥39,800",
          "Scenery, gourmet, experience — all in one!"
        ],
        "icons": {
          "count": 3,
          "descriptions": ["airplane", "hotel building", "car"]
        }
      },
      {
        "position": "top-right",
        "theme": "Skincare",
        "subject": "Close-up portrait of a young woman with glowing, dewy skin, eyes closed, gently touching her cheeks.",
        "elements": [
          "soft pink gradient background",
          "dynamic water splash effects",
          "pink cosmetic jar labeled '{argument name=\"skincare product name\" default=\"LUMIÈRE\"} Brightening Gel'"
        ],
        "text_labels": [
          "Goodbye pores & dullness!",
          "Brimming with clarity",
          "Toward dewy, glassy skin",
          "A new sensation in skincare",
          "First-time only 78% OFF",
          "{argument name=\"discount price\" default=\"¥1,980\"}"
        ],
        "badges": {
          "count": 3,
          "style": "gold circular",
          "labels": ["Pore care", "High moisture", "Firm & glow"]
        }
      },
      {
        "position": "bottom-left",
        "theme": "Gourmet Food",
        "subject": "Thick, sliced, medium-rare steak sizzling on a dark grill plate.",
        "elements": [
          "garlic chips",
          "rosemary sprig",
          "dark background with smoke and glowing embers"
        ],
        "text_labels": [
          "Melts-in-your-mouth deliciousness!",
          "{argument name=\"food item\" default=\"Kuroge Wagyu\"}",
          "Luxury Steak",
          "Limited time",
          "Special price",
          "Regular price ¥8,980",
          "¥4,980"
        ],
        "badges": {
          "count": 1,
          "style": "red circular",
          "labels": ["A4 / A5 grade"]
        }
      },
      {
        "position": "bottom-right",
        "theme": "Online Education",
        "subject": "Young man in a blue shirt studying at a desk, writing in a notebook next to an open laptop.",
        "elements": ["bright indoor lighting", "desk environment"],
        "text_labels": [
          "In your spare time",
          "{argument name=\"education goal\" default=\"Pass the fastest!\"}",
          "Online certification course",
          "All on your phone",
          "Stand out with efficient study!",
          "Now only! 20% OFF tuition"
        ],
        "badges": {
          "count": 1,
          "style": "blue circular",
          "labels": ["Over 100,000 students!"]
        },
        "icons": {
          "count": 2,
          "descriptions": ["smartphone", "open book"]
        }
      }
    ]
  }
}