4-Panel Japanese Advertising Grid

{
  "type": "2x2 Japanese-style advertising poster grid",
  "layout": {
    "format": "2x2 grid",
    "panels": [
      {
        "position": "Top left",
        "theme": "skincare brands",
        "visual": "A close-up of a young Japanese woman with short black hair and radiant, dewy skin. Three minimalist white skincare products are displayed in the lower left corner.",
        "text_elements": {
          "headline": "{argument name=\"skincare headline\" default=\"Bare skin is the best makeup.\"}",
          "brand": "urala",
          "subtext": [
            "A new skincare series that unlocks the skin's natural power has arrived.",
            "4.25 NEW DEBUT",
            "うららかに、わたしらしく。"
          ]
        }
      },
      {
        "position": "Top right",
        "theme": "Coffee shop promotion",
        "visual": "On the plate sits a thick slice of toast spread with strawberry jam and butter, next to a cup of black coffee on a wooden table by the window.",
        "text_elements": {
          "headline": "{argument name=\"cafe headline\" default=\"Today is another good day.\"}",
          "brand": "morino cafe",
          "subtext": [
            "A small cafe by the forest",
            "Why not take a break and enjoy some carefully brewed coffee and freshly baked bread?",
            "Seasonal strawberry jam toast now available!"
          ]
        }
      },
      {
        "position": "Bottom left",
        "theme": "Personal Gym",
        "visual": "A fit Japanese woman with a ponytail, wearing a black sports bra, looks up determinedly in a gym bathed in purple light.",
        "text_elements": {
          "headline": "{argument name=\"gym headline\" default=\"Surpass me.\"}",
          "brand": "BEYOND LIMIT PERSONAL GYM",
          "subtext": [
            "Now is the time to become your ideal self.",
            "Start with a trial session! Trial training: 60 minutes, ¥2,200 (tax included)"
          ]
        }
      },
      {
        "position": "Bottom right",
        "theme": "resort",
        "visual": "Looking out from the modern white balcony, you can see the azure ocean and sky. A small sofa and a potted plant are placed on the balcony.",
        "text_elements": {
          "headline": "{argument name=\"resort headline\" default=\"A journey to encounter landscapes yet unseen.\"}",
          "brand": "UMI to SORA RESORT",
          "subtext": [
            "A special time for you to unwind and relax.",
            "Limited-time summer reservation campaign",
            "{argument name=\"resort discount\" default=\"Maximum 20% OFF\"}"
          ]
        }
      }
    ]
  }
}