Soft watercolor-style sakura background with deep navy night sky, light floating blossom haze drifting softly across the frame, delicate watercolor pigment diffusion with subtle paper texture, blossoms lightly arranged around the edges while leaving wide clean center area for text placement, soft moonlit gradient sky wash, quiet cinematic mood atmosphere, no people, no objects, no text --ar 2:1 --v 7
Soft watercolor-style sakura background with (sky type), light floating blossom haze drifting softly across the frame, delicate watercolor pigment diffusion with subtle paper texture, blossoms lightly arranged around the edges while leaving (negative space position), soft cinematic gradient sky wash, quiet atmospheric mood, no people, no objects, no text --ar (aspect ratio) --v 7
■ sky type（空の種類）
deep navy night sky moonlit indigo sky crimson sunset sky pale twilight blue sky soft cloudy dawn sky dramatic dark storm sky
■ negative space position（余白位置）
wide clean center area upper-center blank space right-side open space large central vertical space lower-center open space
■ aspect ratio（比率）
2:1 4:5 1:1 9:16
Soft watercolor-style sakura background with a clear blue spring sky, gentle sakura fubuki petals drifting diagonally across the frame, light airy watercolor diffusion with soft pigment bleeding and subtle paper texture, blossoms concentrated lightly toward the upper and side edges while leaving a wide clean open center area for text placement, soft natural daylight with delicate gradient sky wash, calm poetic Japanese spring atmosphere, no people, no objects, no text --ar 2:1 --v 7
Soft watercolor-style sakura background with crimson sunset sky, gentle drifting petal swirl moving diagonally across the frame, airy watercolor diffusion with soft pigment bleeding and fine paper grain texture, blossoms concentrated lightly toward the upper edges while leaving open right-side area for text placement, warm golden dusk gradient, nostalgic emotional spring atmosphere, no people, no objects, no text --ar 2:1 --v 7
Soft watercolor-style sakura background with misty overcast spring sky, soft sakura fubuki petals drifting gently across the composition, subtle watercolor wash with smooth gradient transitions and light paper texture, blossoms arranged softly along the side edges while leaving open upper-center space for text placement, diffused natural daylight, calm poetic spring atmosphere, no people, no objects, no text --ar 2:1 --v 7
Soft watercolor-style sakura background with soft pastel sky wash, dense falling cherry petals creating light spring movement, translucent watercolor layering with delicate pigment flow and subtle paper texture, blossoms framing the outer edges while leaving lower wide open area for text placement, fresh bright gradient sky wash, fresh bright spring feeling atmosphere, no people, no objects, no text --ar 2:1 --v 7
Soft watercolor-style sakura background with warm golden dusk sky, gentle drifting petal swirl across the upper frame, refined watercolor pigment diffusion with soft layered transparency and elegant paper texture, blossoms lightly arranged around the perimeter while leaving wide clean center area for text placement, soft ambient glow with subtle sky gradient, airy minimal Japanese atmosphere, no people, no objects, no text --ar 2:1 --v 7
