{"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":"強酸性体液で人間を溶かして食べる恐怖の生物!"},"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 vomits or secretes foaming acidic fluid onto partially dissolved prey remains in a dark muddy riverside scene","caption_burst":"強酸性体液の威力により人体を数分で溶解する!"},"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 leech, and its acid secretion, feeding 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（獲物の体臭を感知）","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（溶解した肉を吸収）"]},{"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（人間を含む動物）","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 肉を溶解","4 吸収・摂食"],"content":"four numbered illustrated panels showing detection, acid spray, dissolving flesh, 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 holding 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!","噛まれると、数分で肉が溶ける!!","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"}