High-Impact Japanese YouTube Growth Thumbnail AI Image Prompt

Japanese YouTube thumbnail type, style: high-impact flashy growth-marketing thumbnail, dramatic, glossy, fiery, attention-grabbing. Canvas aspect ratio 16:9, background black with orange fire sparks, glowing particles, light streaks, and lens flare. Headline: top text '{argument name="headline text" default="最短ルートで到達する方法"}', main text ['0から','1万人','伸ばす法則'], sub text 'やりがちなNG行動も完全解説'. Main text style: font extra bold Japanese display font, colors white and glowing orange-gold, effects thick black shadow, strong outer glow, metallic heat texture on the orange text, slight distress texture on the white text. Graphics: 6 items. 1. giant upward arrow, position top-right sweeping diagonally upward, color bright orange-gold, effect intense glow, spark trail. 2. bar chart, position right side behind character, 4 bars with labels ['5,000','7,000','10,000',''], color orange-gold glow. 3. lens flare starburst, position top-left, color golden orange. 4. diagonal energy streak, position bottom-left to center, color orange. 5. small spark particles, across entire background, color orange and gold. 6. small star icon, above character head, color yellow glow. Character: count 1, subject cute mascot sheep avatar, position bottom-right, appearance: body color light blue fluffy wool, face cream white, outline dark brown line art, expression calm closed-eye smile, accessories holding a yellow pointer stick in the right hoof. Bottom panels: 3, style black rounded rectangular boxes with bright orange glowing borders. Items: 1. icon group of people, text '伸びるアカウントの共通点', position bottom-left. 2. icon target with arrow, text '0フォロワー期の戦略', position bottom-center. 3. icon rising bar chart with arrow, text 'アルゴリズム攻略法', position bottom-right. Color palette: primary black, white, orange, gold; accent yellow, light blue. Composition: oversized central typography dominates the frame, with the largest emphasis on '1万人' and '伸ばす法則', supporting mascot on the right, and three informational callout boxes aligned along the bottom, all designed to look like a viral Japanese social media or YouTube growth tutorial thumbnail. Quality: ultra sharp, high contrast, polished thumbnail design, cinematic glow effects.