.lg-page{--lg-bg:#eef1f6;--lg-card:#ffffff;--lg-line:#c9d0dc;--lg-ink:#111827;--lg-sub:#374151;--lg-navy:#0a2380;--lg-navy-hover:#071a63;--lg-focus:#b45309;--lg-err-bg:#fdf2f2;--lg-err-line:#b42318;--lg-err-ink:#7a1610;min-height:100vh;min-height:100dvh;align-items:center;justify-content:center;gap:20px;padding:32px 16px;background:radial-gradient(1200px 600px at 50% -10%,#ffffff 0,rgba(255,255,255,0) 70%),var(--lg-bg);color:var(--lg-ink);font-family:var(--font-ui),"Noto Sans JP",system-ui,sans-serif}.lg-card,.lg-page{display:flex;flex-direction:column}.lg-card{width:100%;max-width:440px;background:var(--lg-card);border:1px solid var(--lg-line);border-radius:16px;box-shadow:0 1px 2px rgba(16,24,40,.06),0 12px 32px rgba(16,24,40,.08);padding:40px 36px 32px;gap:24px}.lg-brand{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px}.lg-logo{width:168px;height:auto;display:block}.lg-title{margin:6px 0 0;font-size:28px;line-height:1.2;font-weight:700;letter-spacing:.01em;color:var(--lg-ink)}.lg-lead{margin:0;font-size:15px;line-height:1.7;color:var(--lg-sub)}.lg-done{margin:0 0 20px;padding:10px 14px;border:1px solid #9fd0b2;border-radius:8px;background:#ecf7f0;color:#0f4d2b;font-size:14px;line-height:1.6}.lg-alert{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;background:var(--lg-err-bg);border:1px solid var(--lg-err-line);border-left-width:4px;border-radius:10px;color:var(--lg-err-ink)}.lg-alert-icon{flex:none;width:20px;height:20px;margin-top:2px}.lg-alert p{margin:0}.lg-alert-title{font-size:15px;font-weight:700;line-height:1.5}.lg-alert-body{margin-top:4px!important}.lg-alert-body,.lg-alert-next{font-size:14px;line-height:1.7}.lg-alert-next{margin-top:8px!important}.lg-alert-label{display:inline-block;margin-right:6px;padding:0 6px;border:1px solid var(--lg-err-line);border-radius:4px;font-size:12px;font-weight:700;line-height:1.6}.lg-button{width:100%;min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 20px;border:0;border-radius:10px;background:var(--lg-navy);color:#ffffff;font:inherit;font-size:16px;font-weight:700;cursor:pointer;transition:background-color .15s ease}.lg-button:hover{background:var(--lg-navy-hover)}.lg-button:focus-visible{outline:3px solid var(--lg-focus);outline-offset:3px}.lg-button:disabled{background:#e5e7eb;color:#374151;cursor:not-allowed}.lg-ms{width:20px;height:20px;flex:none;background:#ffffff;border-radius:3px;padding:2px;box-sizing:content-box}.lg-note{margin:-8px 0 0;text-align:center;font-size:13px;line-height:1.7}.lg-foot,.lg-note{color:var(--lg-sub)}.lg-foot{margin:0;font-size:12px}@media (max-width:480px){.lg-card{padding:32px 20px 24px;border-radius:14px}.lg-title{font-size:24px}.lg-logo{width:148px}}@media (prefers-reduced-motion:reduce){.lg-button{transition:none}}