「MONSTER MASH PARTY」は、不気味なイラスト調のハロウィンパーティー招待ポスターです。金属のボルト付きで縫い合わせた緑のパッチワーク風大文字が、満月、コウモリ、丘の上のお化け屋敷、墓地、光るジャック・オ・ランタンの上に並び、藍色の背景の下部にクリーム色で日付と場所が入ります。パーティー名、日付、時間、主催者名、RSVP先、仮装の案内を差し替えて、自分の招待状を作れます。

Create a finished 5:7 portrait Halloween party invitation as a clean, flat illustrated poster with fine paper grain. Use a deep indigo-purple night sky, pumpkin-orange light, moon-white highlights, and muted olive and grey-green accents. Across the upper sky, set the exact headline “Monster Mash Party” large and highly legible in custom Frankenstein monster lettering: heavy, upright, slightly uneven block capitals with flat tops, square corners, open counters, and close even spacing. Construct each letter from two or three differently toned monster-skin patches with faint leathery grain; use at most two straight seams per letter, closed only with thick dark crude cross-stitches. Add a small metal bolt to just a few letters. Keep the lettering playful and creepy, never bloody; its patch tones harmonize with the moonlit Halloween scene. Build a classic Halloween night scene beneath and around the title: a huge full moon high in the sky, a few crisp black bats crossing its face, a crooked haunted house with small glowing orange windows, bare twisted trees, a crooked graveyard fence, gravestones, wisps of soft mist, and a neat row of glowing jack-o’-lanterns along the ground. The moon rim-lights the silhouettes; the pumpkin and house-window glow are the only warm light. Preserve a calm, uncluttered area of sky behind the headline. Keep the scene graphic and readable, with clean flat shapes and gentle paper texture rather than photorealism. Below the illustration, stack the invitation details in a centered, clear hierarchy, using compact readable lettering in moon-white with small pumpkin-orange accents. Render these exact lines, with no extra wording: “Saturday Oct 31”; “8PM”; “The Millers’”; “RSVP to Dana”; “COSTUMES ENCOURAGED”. Keep generous margins, crisp lettering, and strong contrast. The complete composition should feel like a charming, polished Halloween party invitation, not a generic horror poster.