body{ font-family:"Hiragino Kaku Gothic ProN",Meiryo,"Yu Gothic",sans-serif; background:#f5f5f5; }
.account-gate{ display:flex; justify-content:center; align-items:center; padding:60px 0; }
.gate-card{ background:#dedede; padding:32px 48px; border-radius:6px; box-shadow:0 12px 18px rgba(0,0,0,0.18); display:flex; flex-direction:column; gap:20px; width:260px; }
.gate-btn{ display:block; text-align:center; padding:16px 0; border-radius:4px; font-size:18px; text-decoration:none; box-shadow:0 3px 4px rgba(0,0,0,0.15); transition:transform 0.2s ease, box-shadow 0.2s ease; }
.gate-btn--login{ background:#f9f9f9; color:#111; border:1px solid #e4e4e4; }
.gate-btn--register{ background:#3b3940; color:#fff; }
.gate-btn:hover{ transform:translateY(-2px); box-shadow:0 6px 12px rgba(0,0,0,0.2); }
@media(max-width:480px){ .account-gate{ padding:40px 0; } .gate-card{ width:80%; padding:24px; } }