Surreal Infinite Staircase Anime Poster

Prompt

{"type":"anime psychological thriller poster and companion information sheet","style":"dark surreal anime key visual, premium TV anime promotional art, Escher-like impossible architecture, distressed print texture, high-detail ink and watercolor finish, muted grayscale with deep black and blood-red accents, slightly aged paper, editorial layout with fine graphic design overlays","subject":{"primary character":"a teenage Japanese schoolgirl in a dark navy sailor uniform, white trim on the collar and cuffs, pleated skirt, white socks, black loafers, short black bob haircut, seen mostly from the back and in three-quarter view, standing on stone stairs and looking into a labyrinth of staircases","secondary character":"1 smaller distant schoolgirl figure in the same uniform standing farther up the staircase maze","environment":"an endless interior of intersecting stone staircases, arches, landings, railings, impossible perspectives, cathedral-like shadows, narrow passages, red-lit doorways, geometric linework and diagram marks floating over the architecture"},"composition":{"format":"split-layout anime advertisement page","left panel":"large main poster occupying roughly the left half, dominated by the staircase labyrinth and the full-body schoolgirl","right panel":"cream-colored editorial information page with text blocks, credits, inset images, and warning box","camera":"slightly low eye level, deep perspective into the staircase maze","mood":"ominous, mysterious, cerebral, lonely, surreal"},"text_elements":{"main title":"無限階段","top line":"2025年TVアニメ放送開始予定","tagline":"上っても、下っても、終わらない。","left sticker":"TEASER PV公開中","right red heading":"これは、迷うために存在する物語。","section labels":["CAST","STAFF","THEME SONG","STORY","WARNING","放送情報"],"footer":"公式Xアカウント"},"layout":{"sections":[{"title":"main poster","position":"left half","count":6,"labels":["main title at top","vertical black tagline strip","schoolgirl full-body figure","1 distant schoolgirl","QR code teaser sticker","footer social account bar"]},{"title":"intro and diagrams","position":"upper right","count":3,"labels":["red heading sentence","short synopsis paragraph block","architectural line drawing of stairs"]},{"title":"credits","position":"center right","count":3,"labels":["CAST","STAFF","THEME SONG"]},{"title":"story area","position":"mid to lower right","count":2,"labels":["inset staircase image","STORY vertic...