ポスター推奨：ChatGPT

宇宙探査：星間飛行の特別展

銀色の巨大ロケットがオレンジと金の噴射の炎をまき上げ星雲へ突入する。環のついた惑星が紫の天穹に浮かび、星野の模様が下地に広がり、暖かなスポットライトがポスターの縁を斜めに掃く。

プロンプト全文（英語）

A cinematic exhibition poster for an interstellar space journey, centered grid layout with a colossal silver rocket blasting upward from the lower third, trailing an orange-gold exhaust plume and smoke, a ringed planet, orbiting moons and a violet-nebula sky filling the upper half, distant stars and tiny spacecraft silhouettes for scale. Bold condensed geometric sans-serif headline in luminous white reads 'STELLAR VOYAGE', set with wide tracking, thin uppercase sub-lines listing dates and venue, small starfield texture behind the type. Deep indigo, violet, teal and warm orange color system with high contrast. Matte art paper printed in offset lithography, subtle paper grain and one spot-varnish gloss band across the rocket. The poster hangs on a dark concrete gallery wall near a small pendant lamp. Soft warm spotlight from the upper left at evening-dusk quality wraps the paper edge and casts a soft shadow down-right. Wide shot, eye-level straight-on view of the full poster, all type and textures tack-sharp, 4k

同じ画像を生成： 上のプロンプトをコピー → ChatGPTを開く → 貼り付けて送信（画像モデルは切り替え可） → 結果を待つ。

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