产品视觉 GPT Image 2 提示词：Six Japanese Train Logo Variations

{"type":"logo style sheet","subject":"Japanese title logo variations for the text {argument name="title text" default="鉄道プレス"}","background":"plain white","rendering":"high-resolution polished promotional logo concepts","layout":{"grid":{"rows":3,"columns":2},"count":6,"sections":[{"position":"top-left","count":1,"labels":["metallic luxury emblem"],"design":"large chrome-and-steel 3D Japanese lettering with black shadows and gold trim, a dark blue circular rail wheel emblem behind the text, a sleek modern bullet train integrated across the top-right, winged gold crest and rail tracks beneath, dramatic premium game-logo look"},{"position":"top-right","count":1,"labels":["cute pastel cloud logo"],"design":"rounded bubbly Japanese lettering in pink, lavender, and cyan gradient with thick white outline, fluffy clouds around the logo, tiny pastel stars, circular roller-coaster-like rail line in the background, and a small navy conductor cap with gold badge tilted on the top-right of the text, soft idol-pop fantasy aesthetic"},{"position":"middle-left","count":1,"labels":["speed shinkansen logo"],"design":"bold italicized orange-to-gold gradient Japanese lettering with black outline and red speed slashes, a realistic white and silver shinkansen bursting from behind the right side, dark circular rail motif behind the text, aggressive motion-focused sports-logo composition"},{"position":"middle-right","count":1,"labels":["steampunk locomotive logo"],"design":"heavy bronze and antique gold 3D Japanese lettering integrated into a steampunk machine, surrounded by visible gears, cogs, pipes, pressure gauges, and a smoking steam locomotive stretching along the top of the wordmark, industrial Victorian mechanical aesthetic"},{"position":"bottom-left","count":1,"labels":["family-friendly eco logo"],"design":"soft rounded hiragana-like and kanji-style lettering in green, brown, pink, and orange with white fill and gentle outline, playful children’s-education feel, small train car icon at bottom-left, horizontal rail track below, colorful railroad signal on the right, tiny clover and tree motifs, friendly and approachable"},{"position":"bottom-right","count":1,"labels":["futuristic neon logo"],"design":"sharp angular Japanese lettering in electric blue, indigo, and violet glow with white highlights, surrounded by a luminous cosmic ring and small digital particles, subtle train silhouette merged into the lower center, sci-fi cyber-tech branding style"}]},"style_constraints":{"all_variants_include_same_text":true,"language":"Japanese","spacing":"evenly separated with generous white margins","perspective":"straight-on centered presentation for each logo","no_mockup":true},"customization":["{argument name="title text" default="鉄道プレス"}","{argument name="background color" default="white"}","{argument name="top-left theme" default="metallic luxury emblem"}","{argument name="middle-right theme" default="steampunk locomotive"}","{argument name="bottom-right theme" default="futuristic neon"}"]}