Affiche de Voyage Minimaliste en Ligne de Hakodate

{
  "type": "vintage minimalist travel poster",
  "format": "vertical portrait poster",
  "style": "clean black ink line art on warm ivory paper, architectural engraving, precise thin outlines, no color except dark brown-black typography, high detail city perspective, nostalgic Japanese tourism poster aesthetic",
  "main_text": {
    "top_headline": "[HAKODATE]",
    "subtitle": "[北海道 函館市]",
    "bottom_country": "[JAPAN]",
    "bottom_region": "[日本・北海道]",
    "footer_line": "MINIMALIST LINE ART | TRAVEL POSTER SERIES | 函館市観光 | EST. 1854"
  },
  "scene": {
    "location": "Hakodate, Hokkaido, Japan",
    "view": "straight-on one-point perspective looking down a wide urban street toward a mountain and a central observation tower",
    "background_landmark": "Mount Hakodate drawn with contour lines behind the city, with a tall observation tower centered in front of it",
    "street": "tram tracks running down the center, overhead utility wires crisscrossing both sides, dense mid-rise buildings with shopfronts and vertical Japanese signs",
    "vehicles": {
      "count": 7,
      "items": [
        "one vintage streetcar centered in the foreground on the tracks",
        "two cars in the left roadway",
        "three cars in the right roadway",
        "one small distant car near the center"
      ]
    },
    "bicycles": {
      "count": 3,
      "items": [
        "one cyclist riding at the lower left",
        "one cyclist crossing near the lower center",
        "one cyclist near the lower-left street edge"
      ]
    },
    "pedestrians": {
      "count": 18,
      "description": "small simplified figures walking on sidewalks and crosswalks, some carrying bags and umbrellas"
    },
    "major_visible_signs": {
      "count": 8,
      "labels": [
        "函館函館朝市店",
        "ラッキー・ピエロ",
        "十字街 距離山3km",
        "金森赤レンガ倉庫",
        "市芸術 市芸術",
        "協會停留所",
        "函館",
        "MINIMALIST LINE ART | TRAVEL POSTER SERIES | 函館市観光 | EST. 1854"
      ]
    }
  },
  "composition": {
    "top": "large bold condensed sans-serif HAKODATE title occupying the upper quarter",
    "middle": "Japanese subtitle centered under the title, then detailed line-art city illustration",
    "bottom": "bold JAPAN label, Japanese region line, and small footer text",
    "mood": "orderly, elegant, touristic, retro-modern",
    "paper_texture": "subtle aged cream background with slight grain"
  },
  "instructions": "Create a crisp monochrome illustrated poster with immaculate typography, balanced margins, and highly detailed architectural line work. Keep all text sharp and centered, with the city illustration framed symmetrically below the title."
}