:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:#304b54;background:#f5f8f7;font-size:16px;line-height:1.65}*{box-sizing:border-box}body{margin:0}a{color:#396d62;text-decoration:none}a:hover{text-decoration:underline}.security-header{display:flex;align-items:center;justify-content:space-between;max-width:720px;margin:auto;padding:22px 24px}.brand{font-size:28px;font-weight:750;color:#ee3e31;letter-spacing:-1px}.security-main{width:min(100% - 32px,620px);margin:12px auto 48px}h1{font-size:26px;line-height:1.35;margin:22px 0}h2{font-size:19px;line-height:1.4;margin:0 0 12px}p{margin:12px 0}.security-card{background:#fff;border:1px solid #dce6e3;border-radius:18px;padding:24px;margin:18px 0}.security-title{display:flex;align-items:center;justify-content:space-between;gap:16px}.security-title h2{margin:0}.security-badge{background:#f1f4f3;color:#697d83;border-radius:50px;padding:4px 12px;font-size:13px;font-weight:650}.security-badge.enabled{background:#e7f3ed;color:#326455}.security-notice{padding:16px;border-radius:12px;background:#fff4d6;border:1px solid #f0e0aa;color:#6b5521}.help{font-size:13px;color:#64797f;line-height:1.65}form{margin:18px 0 0}label{display:block;font-size:14px;font-weight:650;margin:16px 0 6px}input:not([type=checkbox]){font:inherit;width:100%;min-width:0;max-width:100%;padding:12px 14px;border:1px solid #bccfcb;border-radius:10px;color:#304b54;background:#fff;font-size:16px}input:focus{outline:3px solid #d0e7e0;outline-offset:1px}input[name=code]{max-width:230px;letter-spacing:5px}.check{display:flex;align-items:flex-start;gap:10px;font-weight:500}.check input{margin-top:6px;width:18px;height:18px;flex-shrink:0}.button{display:flex;align-items:center;justify-content:center;min-height:48px;width:100%;font:inherit;font-size:15px;font-weight:650;background:#31555c;color:#fff;border:1px solid #31555c;border-radius:11px;padding:12px 16px;margin:18px 0 0;cursor:pointer;text-align:center}.button.secondary{background:#fff;color:#31555c;border-color:#c2d4d0}.button.danger{background:#fff;color:#a03737;border-color:#e5bdbd}.button:hover{filter:brightness(.96);text-decoration:none}details{margin-top:18px;border-top:1px solid #e3eae8;padding-top:16px}summary{font-weight:650;cursor:pointer;list-style-position:inside}.security-recovery{font-size:14px}.security-qr{display:flex;justify-content:center;margin:20px auto}.security-qr svg{width:220px;height:220px;max-width:100%;background:#fff}.security-key{display:block;background:#f3f7f5;border-radius:8px;overflow-wrap:anywhere;padding:12px;margin-top:12px;font-size:15px}.security-codes{display:grid;grid-template-columns:1fr;gap:8px;list-style:none;padding:0;margin:22px 0}.security-codes li{background:#f0f5f3;border-radius:8px;padding:10px 8px;text-align:center;overflow-wrap:anywhere}.security-codes code{font-size:15px}.security-back{display:block;text-align:center;padding:14px}@media(min-width:600px){.security-codes{grid-template-columns:1fr 1fr}.security-main{margin-top:24px}}@media(max-width:380px){.security-card{padding:18px}.security-main{width:calc(100% - 24px)}h1{font-size:24px}.security-codes code{font-size:13px}}@media print{body{background:#fff}.security-header,.button,.security-back,script{display:none}.security-main{width:100%;max-width:650px}.security-card{border:0}.security-codes{grid-template-columns:1fr 1fr}}

.security-footer{width:min(100% - 32px,620px);margin:0 auto 24px;padding:16px 0;border-top:1px solid #dce6e3;text-align:center;font-size:14px}.security-footer a{display:inline-block;padding:8px 12px}@media print{.security-footer{display:none}}
.security-honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

.security-devices{list-style:none;padding:0;margin:16px 0 0}.security-device{padding:14px 0;border-bottom:1px solid #e3eae8}.security-device:last-child{border-bottom:0}.security-device-title{display:flex;flex-wrap:wrap;align-items:center;gap:8px;justify-content:space-between}.security-device-title strong{font-size:15px;overflow-wrap:anywhere}.security-device .help{margin:7px 0 0;font-size:12px}.security-device .security-badge{font-size:11px;padding:3px 9px;white-space:nowrap}.security-main select{font:inherit;width:100%;min-width:0;max-width:100%;padding:12px 14px;border:1px solid #bccfcb;border-radius:10px;color:#304b54;background:#fff;font-size:16px}.security-main select:focus{outline:3px solid #d0e7e0;outline-offset:1px}#login-devices{scroll-margin-top:18px}

.security-policy{background:#edf6f1;border:1px solid #dcebe3;border-radius:12px;padding:12px 14px;margin:16px 0}.security-policy p{margin:0}.security-policy .help{margin-top:6px}.security-account-jump{display:inline-block;font-size:14px;font-weight:650;text-decoration:underline;padding:7px 0;min-height:40px}.security-app-guide{background:#f8fbfa;border:1px solid #e0e9e5;border-radius:12px;padding:14px;margin:18px 0}.security-app-guide summary{font-size:14px}.security-app-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.security-app-links .button{display:block;margin:0;min-width:0;padding:10px 8px;font-size:13px;overflow-wrap:anywhere}.security-app-links span{font-size:12px;font-weight:500}.security-setup-steps{padding-left:22px;margin:14px 0;font-size:13px;overflow-wrap:anywhere}.security-setup-steps li{padding-left:2px;margin:10px 0}.security-setup-steps p{margin:4px 0}.security-qr-title{font-size:16px;margin:22px 0 8px}.security-copy-key{margin-top:10px}.security-key{user-select:text;-webkit-user-select:text}.security-manual-key [role=status]{min-height:1.65em}.security-title .security-badge{flex-shrink:0}#account-settings{scroll-margin-top:18px}@media(max-width:340px){.security-app-links{grid-template-columns:1fr}.security-title{flex-wrap:wrap;gap:8px}}