โปสเตอร์แฟ้มสัตว์ประหลาดเรโทรสไตล์ญี่ปุ่น

{
  "type": "retro Japanese cryptid field-guide poster / tabloid monster dossier",
  "overall_style": "dense 1970s pulp magazine layout, black distressed paper background, red and yellow emergency typography, grainy halftone printing, weathered borders, pseudo-scientific annotations, horror documentary mood, high-detail grotesque creature art, noisy tactile textures",
  "main_title": {
    "top_banners": [
      "新発見!?",
      "謎の超生物を追え!!",
      "UMA FILE.27"
    ],
    "series_label": "未確認生物大図鑑",
    "headline": "[人食いプラナリア]",
    "subtitle": "強酸性体液で獲物を捕らえる恐怖の巨大生物!"
  },
  "central_creature": {
    "name": "[人食いプラナリア]",
    "appearance": "giant translucent black-brown flatworm, glossy wet body, ruffled edges, two small black eye spots, circular gaping mouth, amber vein-like internal pattern, sluglike body crawling over wet rocks",
    "action": "the monster leans forward and secretes foaming acidic fluid onto dark riverbed stones and moss in a dark muddy riverside scene",
    "caption_burst": "強酸性体液の威力によりあらゆる獲物を圧倒する!"
  },
  "left_article": {
    "position": "left of main creature",
    "body_text": "Japanese explanatory column describing sightings in lakes and rivers across Japan, the creature being mistaken for a giant leech, and its acid secretion, capture techniques, and regeneration abilities",
    "section_count": 1
  },
  "layout": {
    "sections": [
      {
        "title": "人食いプラナリアの特徴",
        "position": "upper right",
        "count": 1,
        "content": "anatomical side-view illustration of the translucent creature with 6 callout labels",
        "labels": [
          "眼点（光を感知）",
          "化学感覚器官（獲物の気配を感知）",
          "強酸性体液腺（口周辺より噴出）",
          "咽頭（反転して獲物を吸引）",
          "粘液層（自己防御のバリア）",
          "消化腔（栄養分を吸収）"
        ]
      },
      {
        "title": "体内構造（断面図）",
        "position": "right middle",
        "count": 1,
        "content": "cross-section diagram showing red-black internal organs inside the flatworm",
        "labels": [
          "粘液層",
          "酸性溶腺",
          "分岐消化腔",
          "神経系",
          "再生細胞群"
        ]
      },
      {
        "title": "基本データ",
        "position": "right middle below cross-section",
        "count": 6,
        "labels": [
          "分類：扁形動物？（詳細不明）",
          "生息地：淡水（湖・沼・河川）",
          "体長：3〜30cm（確認例）",
          "体色：黒褐色〜灰白色",
          "食性：肉食（淡水生物全般）",
          "危険度：★★★★★"
        ]
      },
      {
        "title": "目撃レポート",
        "position": "lower left inset",
        "count": 1,
        "content": "small grainy black-and-white lakeside photograph with a lone human figure and report text dated 1978年8月"
      },
      {
        "title": "捕食方法",
        "position": "lower left wide strip",
        "count": 4,
        "labels": [
          "1 獲物を感知",
          "2 強酸性体液の噴出",
          "3 獲物を包囲",
          "4 吸収・摂食"
        ],
        "content": "four numbered illustrated panels showing detection, acid spray, surrounding prey, and feeding"
      },
      {
        "title": "サイズ比較",
        "position": "bottom left",
        "count": 2,
        "labels": [
          "ruler comparison showing a specimen about 30cm long",
          "human hand comparison next to a small specimen"
        ]
      },
      {
        "title": "目撃情報が相次ぐ!",
        "position": "bottom center",
        "count": 1,
        "content": "map of Japan with many red sighting markers, a list of sighting years and locations, plus a tiny lakeside photo",
        "footer_text": "全国で目撃情報が後を絶たない!!"
      },
      {
        "title": "驚異の再生能力!",
        "position": "right lower middle",
        "count": 4,
        "labels": [
          "切断直後",
          "数時間後",
          "数日後",
          "新たな個体に!"
        ],
        "content": "four sequential regeneration illustrations showing one worm cut into two, then two pieces becoming four, then multiplying endlessly",
        "caption": "1匹が2匹に、2匹が4匹に…無限に増殖する恐怖!!"
      },
      {
        "title": "遭遇したらどうする!?",
        "position": "bottom right",
        "count": 1,
        "content": "warning panel with a blurred human silhouette near water and a giant flatworm, red alarm text and four safety bullets",
        "labels": [
          "絶対に素手で触るな!!",
          "もし見つけても刺激するな!",
          "水に入る時は足元に注意せよ!",
          "触れると、激痛と麻痺を引き起こす!!",
          "逃げても追いかけてくることがある!!"
        ]
      }
    ]
  },
  "footer": "[人食いプラナリアは、すぐそこにいるのかもしれない…。]",
  "color_palette": "dirty black, aged cream, hazard yellow, deep red, muddy brown, gray-green water highlights",
  "rendering_instructions": "create a single vertical information-dense poster, extremely sharp but intentionally grainy, with realistic wet creature texture, distressed print edges, Japanese text blocks, boxed diagrams, arrows, warning stars, and dramatic horror-science composition"
}