観念 かんねん てき
kannenteki

na-Adjective

1. conceptual; ideational; notional

na-Adjective

2. theoretical; academic

かれ福祉 ふくし概念 がいねんはかなり観念 かんねん てきだ。
kareno fukushino gainenwa kanari kannentekida.
His notion of welfare is pretty abstract.