å šäœãšããŠãããã«ããŒã¯ã¯ãç«å°ã®è¯ãã質ã®é«ãæé£ãšå€é£ãæ°é ãã®ããã¹ã¿ãããæž æœããšãã奜ãŸããçµã¿åãããæäŸããŠããŸãããã ãã客宀ã®å質ãšã¢ã¡ããã£ã®äžè²«æ§ã®ãªãã¯ãäžéšã®å®¿æ³å®¢ã®äœéšã«åœ±é¿ãäžããå¯èœæ§ããããŸãã