Rom 7:22 For I delight in the law of God after the inward man.
The inner man of the believer is being strengthened and renewed by the Spirit through the grace and knowledge that is in Christ (Eph 3:16, 2Cor 4:16, Eph 4:23, Col 3:10). The inner man is involved in a transformation while the outer or old man is conforming through the flesh. The inner man receives the righteousness of God, imputed and imparted, in being transformed through grace and truth by the Spirit but the outer man of the flesh is trying to conform to mandates prescribed by the law to gain righteousness and a life that is pleasing to God. There is a major difference here because one is accepted by God being done through faith and the other is rejected by God being done through the flesh. Only in the inner man through the Spirit can a man receive the righteousness of God justified by faith. The outer or old man can only live through the deeds of the law in hopes of attaining a relevant righteousness that will be justified through the works of the law.
Rom 9:30-33
30 What shall we say then? That the Gentiles, which followed not after righteousness, have attained to righteousness, even the righteousness which is of faith.
31 But Israel, which followed after the law of righteousness, hath not attained to the law of righteousness.
32 Wherefore? Because they sought it not by faith, but as it were by the works of the law. For they stumbled at that stumbling-stone;
33 As it is written, Behold, I lay in Sion a stumbling-stone and rock of offence: and whosoever believeth on him shall not be ashamed.
Gal 2:16-19
16 Knowing that a man is not justified by the works of the law, but by the faith of Jesus Christ, even we have believed in Jesus Christ, that we might be justified by the faith of Christ, and not by the works of the law: for by the works of the law shall no flesh be justified.
17 But if, while we seek to be justified by Christ, we ourselves also are found sinners, is therefore Christ the minister of sin? God forbid.
18 For if I build again the things which I destroyed, I make myself a transgressor.
19 For I through the law am dead to the law, that I might live unto God.
Gal 3:12
12 And the law is not of faith: but, The man that doeth them shall live in them.
Phil 3:9
9 And be found in him, not having mine own righteousness, which is of the law, but that which is through the faith of Christ, the righteousness which is of God by faith:
Our righteousness and justification is found in Christ and not in one jot or tittle of the law, nor in any of the differences pointed out in the OP. Christ fulfilled the law and we are in Christ and have His righteousness by faith and not according to the law or any works or observations thereby. My zeal and jealousy is in Christ and not the law. The inner man in me delights in the law not to attain unto any righteousness thereby but to have the the fulfillment of the law through Christ who dwells in me. HE IS MY RIGHTEOUSNESS, NOT THE LAW!
He condemned sin in His own flesh, not the law. We are dead to the law because of Christ and all of our righteousness is in Him and comes through Him by faith through the Spirit of grace and truth. Our obedience is to Christ and not in keeping the law. As we abide in Him and His words abide in us (the inner man) the Spirit will lead and guide us and we will delight in the law of the Spirit of life after the inner man. The Spirit is the one who is revealing in us the grace and truth of the law and not the letter of it and this is after the inner man and we are transformed and renewed as a new creature in Christ, in true righteousness and holiness (Eph 4:24)...
24 And that ye put on the new man, which after God is created in righteousness and true holiness.