Develop a meticulously detailed, inventive strategy proposal for an advanced influencer marketing campaign, with the aim of promoting the recently introduced [product] on the Instagram social media channel. Ensure the blueprint emphasizes pivotal aspects such as the [product's] distinctive value proposition, forecasted demographics for targeting, suggested influencer specifications (incorporating the number of followers, engagement ratio, and niche relevance), the campaign's pre-set benchmarks, the projected content stratagem (including the nature of content, posting cadence, and hashtag selection), the preferred call to action, projected success indicators, and potential risk mitigation strategies. Further, delineate the probable legal prerequisites and ethical codes of conduct that must be strictly adhered to throughout the campaign. Your plan should also incorporate a thorough assessment of the [product's] competitive landscape, proposed timeline and budget for the campaign, and suggestions for leveraging user-generated content and Instagram Stories to maximize reach and engagement.

"Create a social media strategy for an influencer campaign to increase brand awareness for [brand]. Focus on [target audience]."

"Develop a creative brief for an influencer campaign to drive sales for a [product category] on [YouTube, Instagram etc.]"

"Develop a content strategy for an influencer campaign to promote a new [product line] on [YouTube, Instagram, TikTok etc.] targeting the [age group] demographic."

"Develop a content strategy for an influencer campaign to promote a new [product line] on [YouTube, Instagram, TikTok etc.] targeting the [age group] demographic."