body{margin:0;background:#f3f5f8;color:#202a3b;font-family:Arial,"Noto Sans JP",sans-serif;-webkit-font-smoothing:antialiased}.auth-shell{min-height:100dvh;display:flex;flex-direction:column;align-items:center;padding:56px 20px 30px;box-sizing:border-box;background:radial-gradient(ellipse at 10% 0%,#e6edf9,transparent 60%)}.auth-brand{width:min(100%,420px);font-size:25px;letter-spacing:-.8px;margin-bottom:35px;font-weight:500}.auth-brand span{display:block;font-size:10px;letter-spacing:3px;color:#73809a;margin-top:5px}.auth-card{box-sizing:border-box;width:min(100%,420px);padding:36px;background:#fff;border-radius:25px;box-shadow:0 16px 60px #24385e0b,0 3px 12px #24385e05}.auth-tag{display:inline-block;padding:6px 11px;border-radius:20px;background:#edf1f9;color:#51647f;font-size:11px}.auth-card h1{font-size:29px;line-height:1.5;font-weight:500;letter-spacing:-.6px;margin:24px 0 16px}.auth-intro{font-size:13px;color:#697487;line-height:1.9;margin-bottom:30px}.auth-google,.auth-secondary{display:flex;justify-content:center;align-items:center;box-sizing:border-box;width:100%;min-height:50px;border:0;border-radius:13px;font:inherit;font-size:14px;text-decoration:none;cursor:pointer}.auth-google{background:#233955;color:white;box-shadow:0 5px 14px #23395516}.auth-google:disabled{background:#edf0f4;color:#8791a0;cursor:default;box-shadow:none}.auth-secondary{margin-top:12px;background:#f1f4f8;color:#40536c}.auth-google:focus-visible,.auth-secondary:focus-visible,.auth-back:focus-visible{outline:3px solid #6e99d4;outline-offset:3px}.auth-note,.auth-footnote{font-size:11px;color:#7a8495;line-height:1.9}.auth-note{text-align:center;margin:12px 0 20px}.auth-footnote{margin-top:27px;margin-bottom:0}.auth-current{background:#f4f6f9;border-radius:15px;padding:18px;margin:20px 0;overflow-wrap:anywhere}.auth-current span{font-size:11px;color:#758296}.auth-current p{font-size:16px;margin:8px 0}.auth-current small{color:#68758a}.auth-current a{font-size:12px;color:#345984}.auth-message{padding:14px;border-radius:12px;background:#f2f5fa;font-size:12px;line-height:1.8;color:#51637d}.auth-back{font-size:12px;color:#65768d;text-decoration:none}.auth-copyright{font-size:10px;color:#8b94a4;margin-top:30px;letter-spacing:.4px}@media(max-width:480px){.auth-shell{padding-top:36px}.auth-card{padding:28px}.auth-brand{margin-bottom:25px}.auth-card h1{font-size:27px}}