Strong Heart (Mai Kuraki song)

"Strong Heart" is the thirty-ninth single by Japanese singer-songwriter Mai Kuraki. It was released on March 2, 2011. The single reached number 8 on the Oricon Weekly Singles Chart.

The song "Strong Heart" served as the theme song for the anime television series Detective Conan (Case Closed), specifically starting from episode 602. It is Kuraki's fifteenth contribution to the Detective Conan franchise, solidifying her long-standing association with the popular anime.

The single was released in three versions: a regular edition (CD only), a limited edition (CD+DVD) which included a music video of "Strong Heart", and a limited edition anime version. The tracklist for the regular and limited editions included the title track "Strong Heart", the B-side "another day another world", and instrumental versions of both songs. The anime edition typically featured alternative cover art related to Detective Conan.

The lyrics of "Strong Heart" are motivational and empowering, reflecting themes of resilience and inner strength, aligning well with the themes often explored in the Detective Conan series.