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We present high-fidelity cosmology results from a blinded joint analysis ofgalaxy-galaxy weak lensing ($\Delta\!\Sigma$) and projected galaxy clustering($w_{\rm p}$) measured from the Hyper Suprime-Cam Year-1 (HSC-Y1) data andspectroscopic Sloan Digital Sky Survey (SDSS) galaxy catalogs in the redshiftrange $0.15<z<0.7$. We define luminosity-limited samples of SDSS galaxies toserve as the tracers of $w_{\rm p}$ in three spectroscopic redshift bins, andas the lens samples for $\Delta\!\Sigma$. For the $\Delta\!\Sigma$measurements, we select a single sample of 4 million source galaxies over 140deg$^2$ from HSC-Y1 with photometric redshifts (photo-$z$) greater than 0.75,enabling a better handle of photo-$z$ errors by comparing the $\Delta\!\Sigma$amplitudes for the three lens redshift bins. For cosmological parameterinference, we use an input galaxy-halo connection model built on the {\tt DarkEmulator} package with a halo occupation distribution that includes nuisanceparameters to marginalize over modeling uncertainties. We model the$\Delta\!\Sigma$ and $w_{\rm p}$ measurements on scales from $R\simeq 3$ and$2\,h^{-1}{\rm Mpc}$, respectively, up to $30\,h^{-1}{\rm Mpc}$ assuming a flat$\Lambda$CDM cosmology. With various tests using mock catalogs described inMiyatake et al. (2021), we show that any bias in the clustering amplitude$S_8\equiv \sigma_8(\Omega_{\rm m}/0.3)^{0.5}$ due to uncertainties in thegalaxy-halo connection is less than $\sim50$\% of the statistical uncertaintyof $S_8$, {\it unless} the assembly bias effect is unexpectedly large. Ourbest-fit models have $S_8=0.795^{+0.049}_{-0.042}$ (mode and 68\% credibleinterval) for the flat $\Lambda$CDM model; we find tighter constraints on thequantity $S_8(\alpha=0.17)\equiv\sigma_8(\Omega_{\rm m}/0.3)^{0.17}=0.745^{+0.039}_{-0.031}$. (abriged)

Cosmological inference from the emulator based halo model II: Joint  analysis of galaxy-galaxy weak lensing and galaxy clustering from HSC-Y1 and  SDSS