Infinite Staircase Dark Surreal Anime Poster AI Image 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: 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; intro and diagrams, position upper right, count 3, labels: red heading sentence, short synopsis paragraph block, architectural line drawing of stairs; credits, position center right, count 3, labels: CAST, STAFF, THEME SONG; story area, position mid to lower right, count 2, labels: inset staircase image, STORY vertical label with paragraph text; bottom information, position lower right, count 2, labels: WARNING box with 4 prohibition icons, 放送情報 broadcast information box. Inset images: 1 technical staircase sketch in the upper right, 1 framed staircase scene with a tiny walking figure in the mid-right. Design details: background: off-white paper on the right with scuffs, cracks, folds, ink smears, and worn edges; dark dense architecture on the left; graphic motifs: thin red circles, crosshairs, guide lines, measurement-like marks, small red squares, vertical black bars, subtle glitch-like blocks; color palette: charcoal black, stone gray, dirty white, faded cream, deep crimson, muted red-orange; typography: large distressed Japanese kanji title, elegant serif Roman section headings, compact magazine-style body text, vertical Japanese side text. Quality: ultra-detailed 4k anime poster, crisp composition, intentionally tiny text-like filler that looks printed but not fully readable, cinematic contrast, polished promotional key art.