noun
art of living; way of life
Refers to a philosophy, method, or practical approach to daily living, often implying a conscious, cultivated lifestyle.
彼は独自の生活法を確立した。
He established his own way of life.
この本には、健康に良い生活法が紹介されている。
This book introduces healthy lifestyle methods.
ライフスタイル is a common loanword for 'lifestyle' in a broad sense, often used in marketing or casual contexts, whereas 生活法 sounds more deliberate and methodical.
Compound of 生活 (seikatsu, 'living; daily life') and 法 (hō, 'method; law; rule'). The exact historical derivation is uncertain, but the word transparently means 'method of living'.