noun
design concept; design philosophy
Refers to the fundamental ideas, principles, or guiding philosophy behind a design, whether in engineering, architecture, software, or other creative fields.
この建物の設計思想は、自然との調和です。
The design philosophy of this building is harmony with nature.
新しいソフトウェアの設計思想を文書にまとめた。
We documented the design concept of the new software.
Compound of 設計 (design) and 思想 (thought, philosophy). The exact historical derivation is uncertain, but the term is a straightforward modern compound.