Two-Sided Watercolor Event Flyer Mockup

{
  "type": "two-sided event flyer mockup",
  "style": "watercolor illustration, warm earthy tones, cozy, inviting, rustic",
  "left_side_front": {
    "header": {
      "title": "{argument name=\"event name\" default=\"SENDAI COFFEE PICNIC 2026\"}",
      "subtitle": "{argument name=\"subtitle\" default=\"街のカフェが集まる、春の1日\"}",
      "tagline": "A relaxing time with your favorite cup"
    },
    "main_illustration": "People enjoying a picnic on a grassy field. A family sitting on a checkered blanket drinking coffee. Background features wooden coffee stalls, tents, trees, and a distant city skyline.",
    "event_info": {
      "date": "{argument name=\"event date\" default=\"2026年5月16日(土) - 17日(日)\"}",
      "time": "10:00 - 17:00",
      "location": "{argument name=\"location\" default=\"七北田公園 芝生広場\"}",
      "badge": "Orange oval badge with text for free entry"
    },
    "footer": {
      "sponsor_logos": 4,
      "elements": ["QR code", "grass and white flowers border"]
    }
  },
  "right_side_back": {
    "header": {
      "title": "{argument name=\"event name\" default=\"SENDAI COFFEE PICNIC 2026\"}",
      "illustration": "small green tree"
    },
    "sections": [
      {
        "title": "Vendor List",
        "layout": "2 columns",
        "count": 9,
        "labels": ["Blue Ridge Roastery", "NORTH BEANS LAB", "SUNNY DAY COFFEE", "KITSUNE COFFEE WORKS", "Forest Table Cafe", "creme & crumb", "GOOD DAY SAND", "HOSHINO KITCHEN CAR", "PIZZA VAN 88"],
        "illustrations": ["sandwiches", "pizza", "coffee cups"]
      },
      {
        "title": "Event Timetable",
        "layout": "2 columns",
        "count": 7,
        "description": "Schedule with times like 10:30, 11:30, 13:00, 14:30, 16:00 and event names"
      },
      {
        "title": "Feature Highlights",
        "layout": "3 horizontal boxes",
        "count": 3,
        "labels": ["Latte Art Experience", "Coffee Tasting Stamp Rally", "Food & Sweets Area"],
        "illustrations": ["single coffee cup", "multiple coffee cups", "food basket"]
      }
    ],
    "footer": {
      "social_media": "{argument name=\"social handle\" default=\"@sendai_coffee_picnic\"}",
      "icons": ["social media app logo"],
      "elements": ["QR code", "brown background strip"]
    }
  }
}