Amabile is a lovely sans serif typeface. It's name means “lovely” in music terms.
The design feature reflects the feature of Japanese typeface “Waon”, as the depending Latin characters of which this typeface is designed. “Amabile” briefly expresses the basic concept of Waon, to “Express a music with typeface”.
The non-Japanese characters in the Japanese font are basically composed with Latin, Cyrillic, and Greek.
The Regular weight of OpenType is available free of charge, the full family includes 9 weights.