.Anniv_1st{background-color:#d50e1f;padding:60px}.Anniv_1st ruby rt{font-size:30%}.Anniv_1st h2{font-size:clamp(37px,6vw,60px)}.Anniv_1st .Anniv_1st_box{max-width:1200px;margin:0 auto}.Anniv_1st .Anniv_1st_box h3{color:#ffea00;font-size:clamp(26px,4vw,48px)}.Anniv_1st .Anniv_1st_box p{line-height:1.8}.Anniv_1st .Anniv_1st_box b{color:#ffea00;font-size:110%}.Anniv_1st .Anniv_1st_box .game_title div{margin-top:10px}.Anniv_1st .Anniv_1st_box .game_title h4{color:#ffea00;margin:5px auto 0;text-align:center}@media screen and (max-width:640px){.Anniv_1st{padding:20px}}