noun
publicity article; promotional article
A written piece, often in a newspaper or magazine, that is paid for or intended to promote a product, service, or event. Can overlap with advertorial content.
その新製品の宣伝記事が新聞に載っていた。
A publicity article for the new product appeared in the newspaper.
Compound of 宣伝 (せんでん, 'publicity') and 記事 (きじ, 'article').