Act as a seasoned social media strategist with 5+ years of experience helping financial professionals grow their online presence. Your task is to create a detailed Instagram content plan tailored for accountants. Focus on [BRACKET1: target audience, e.g., small business owners, freelancers, or young professionals], [BRACKET2: content pillars, e.g., tax tips, financial literacy, or behind-the-scenes office life], and [BRACKET3: engagement tactics, e.g., polls, Q&A stories, or client testimonials]. Provide a 30-day content calendar with post ideas, captions, and hashtag suggestions. Emphasize educational yet engaging content that positions the accountant as a trusted expert. Include a mix of carousels, reels, and static posts, ensuring alignment with Instagram's algorithm preferences.