.auth-section{max-width:1320px;margin:0 auto;padding:clamp(64px,9vw,136px) 32px;display:grid;grid-template-columns:1fr 1fr;gap:clamp(64px,10vw,150px);color:#15151b;align-items:start}.auth-aside{position:relative;padding-top:16px}.auth-introduction{font-size:clamp(28px,3.6vw,38px);font-weight:500;line-height:1.15;letter-spacing:-.05em;margin:30px 0 24px;max-width:490px;word-break:keep-all}.auth-aside-detail{font-size:16px;line-height:1.75;max-width:360px;color:#62626c;margin-bottom:28px;word-break:keep-all}.auth-card{max-width:472px;width:100%;padding:32px;border:1px solid var(--line);border-radius:var(--radius-card)}.auth-card h1{font-size:clamp(30px,3vw,42px);font-weight:500;letter-spacing:-.045em;line-height:1.15;margin:18px 0;word-break:keep-all}.auth-description{color:#62626c;font-size:14px;line-height:1.75;margin-bottom:30px;word-break:keep-all}.auth-form{display:flex;flex-direction:column;gap:20px}.auth-submit{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;border:1px solid #5442bc;border-radius:8px;padding:12px 18px;background:#5442bc;color:#fff;font-size:13px;font-weight:600;cursor:pointer;text-decoration:none;transition:background .2s}.auth-submit:hover{background:#433396}.auth-submit:disabled{cursor:not-allowed;opacity:.55}.auth-google-button:focus-visible,.auth-section a:focus-visible,.auth-submit:focus-visible{outline:2px solid #5442bc;outline-offset:4px}.auth-error{font-size:13px;line-height:1.65;padding:14px 16px;border-radius:8px;background:#fff3f4;border:1px solid #f1cbd0;color:#8f1d30;margin:0}.auth-switch{font-size:12px;text-align:left;color:#62626c;margin-top:24px;line-height:1.75}.auth-switch a{color:#5442bc;text-decoration:underline;text-underline-offset:3px}.auth-signout-retry{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.auth-google-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;height:48px;border:1px solid #747775;border-radius:8px;background:#fff;color:#1f1f1f;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}.auth-google-button:hover{background:#f7f8f8}.auth-google-button:disabled{cursor:not-allowed;opacity:.5}.auth-agreement-note{font-size:12px;line-height:1.7;color:#62626c;text-align:left;margin:0}.auth-agreement-note a{color:#5442bc;text-decoration:underline;text-underline-offset:3px}@media(max-width:800px){.auth-section{grid-template-columns:1fr;max-width:520px;gap:42px;padding:56px 24px 80px}.auth-aside{min-height:0;padding:0}.auth-introduction{font-size:28px;margin:20px 0 16px}.auth-aside-detail{font-size:14px;max-width:none;margin-bottom:18px}.auth-card{max-width:none;padding:24px}.auth-card h1{font-size:30px}.auth-description{margin-bottom:24px}}@media(prefers-reduced-motion:reduce){.auth-google-button,.auth-submit{transition:none}}