2026 年 22 巻 1 号 p. 43-48
Leveraging HCD competences and the HCD‑Net body of knowledge, this study investigates how formalized knowledge frameworks accelerate capability building in a design agency. We conducted semi‑structured interviews with three 2023 graduate designers at YUMEMI Inc. and thematically analyzed 185 minutes of transcripts. Five themes emerged—shared formal vocabulary, iterative skill rehearsal, acquisition of holistic project architecture, structured self‑reflection, and a culture that promotes risk‑taking—forming a stepwise learning ladder sustained by psychological safety. The findings visualize SECI knowledge conversion in practice and offer a transferable framework for organizations adopting an agency model of human‑centered design.