Anime Idol Rock Band Promo Banner

A high-energy Japanese promotional social media banner styled like an anime idol rock concert advertisement. Layout & Typography: - Across the upper portion, large bold Japanese headline text, arched slightly with a heavy black outline and drop shadow: "[ChatGPTによる画像生成が 大幅アップデート!]". - Centered below the main headline, a smaller crisp Japanese subtitle: "[GPT-Image-2が無料で使える]". - Thick rounded sans-serif display typography in bright white with bold black outlines for high readability. Subject (Anime Band Members across the lower half): - Far left: a blue-haired keyboardist in a pale blue-and-white stage outfit playing a synth keyboard. - Left-center: a pink twin-tail idol singer holding a microphone, wearing a frilly pink stage dress with floral hair ornaments. - Center foreground: the main energetic blonde-haired idol drummer/front performer, smiling broadly, holding a drumstick, wearing a cropped yellow jacket, white top, star motifs, and hair clips, prominently lit. - Right-center: a dark-haired guitarist/bassist with green highlights in a black streetwear outfit. - Far right: a black-haired female guitarist in a black off-shoulder rock outfit holding a purple electric guitar. - A golden drum kit positioned behind the central performers. Background & Visual Effects: - Stage backdrop featuring a glowing circular golden knot logo. - Flanking holographic UI panels displaying colorful HUD dashboards, waveforms, and thumbnail previews. - Deep concert backdrop illuminated with intense neon light beams in orange, pink, gold, and cyan. - Floating luminous five-pointed stars, musical notes, confetti sparkles, lens flares, and light streaks. Style & Aesthetics: Vibrant modern anime illustration, glossy highlights, dramatic rim lighting, saturated stage colors, dynamic celebratory composition, polished digital promo graphic.