:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#17233a;--bg:#f3f6fa;--surface:#fff;--surface-soft:#f8fafc;--ink:#17233a;--muted:#64748b;--line:#dbe3ee;--primary:#0b5cab;--primary-strong:#084b8d;--primary-soft:#eaf3fc;--danger:#c83e4d;--danger-soft:#fff1f2;--success:#16865a;--success-soft:#ecfdf5;background:#f3f6fa;font-family:Inter,SF Pro Text,Noto Sans JP,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--bg);color:var(--ink);margin:0}button,input{font:inherit}a{color:var(--primary);text-underline-offset:3px}a:hover{color:var(--primary-strong)}:focus-visible{outline-offset:2px;outline:3px solid #0b5cab38}.auth-shell{place-items:center;min-height:100svh;padding:32px 20px;display:grid}.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;width:min(100%,440px);padding:32px;box-shadow:0 1px 2px #17233a12}.brand{align-items:center;gap:11px;margin-bottom:28px;display:flex}.brand-mark{background:var(--primary);color:#fff;letter-spacing:-.04em;border-radius:7px;place-items:center;width:32px;height:32px;font-weight:800;display:grid}.brand-name{letter-spacing:.12em;color:#475569;margin:0;font-size:.82rem;font-weight:750}h1{letter-spacing:-.025em;margin:0;font-size:clamp(1.65rem,5vw,2rem);line-height:1.2}.subtitle{color:var(--muted);margin:8px 0 0;font-size:.95rem;line-height:1.55}.auth-form{gap:20px;margin-top:28px;display:grid}.field{gap:8px;display:grid}.field-label{font-size:.92rem;font-weight:700}.input-wrap{position:relative}.text-input{width:100%;min-height:48px;color:var(--ink);background:#fff;border:1px solid #b8c4d3;border-radius:7px;padding:11px 13px;transition:border-color .15s,box-shadow .15s}.text-input:hover{border-color:#8796aa}.text-input:focus{border-color:var(--primary);outline:0;box-shadow:0 0 0 3px #0b5cab24}.text-input[aria-invalid=true]{border-color:var(--danger)}.password-input{padding-right:78px}.password-toggle{min-width:68px;min-height:44px;color:var(--primary);cursor:pointer;background:0 0;border:0;border-radius:5px;font-size:.86rem;font-weight:700;position:absolute;inset:2px 2px 2px auto}.password-toggle:hover{background:var(--primary-soft)}.primary-button{border:1px solid var(--primary);background:var(--primary);color:#fff;cursor:pointer;border-radius:7px;width:100%;min-height:48px;padding:11px 18px;font-weight:750}.primary-button:hover{background:var(--primary-strong);border-color:var(--primary-strong)}.primary-button:active{transform:translateY(1px)}.primary-button:disabled{cursor:wait;opacity:.72;transform:none}.form-row{justify-content:space-between;align-items:center;gap:16px;display:flex}.helper,.field-hint{color:var(--muted);font-size:.86rem;line-height:1.5}.message{border:1px solid;border-radius:7px;margin:22px 0 0;padding:12px 14px;font-size:.92rem;line-height:1.5}.message-error{background:var(--danger-soft);color:#9f2633;border-color:#fecdd3}.message-success{background:var(--success-soft);color:#0d6b47;border-color:#a7f3d0}.rule-list{color:var(--muted);gap:7px;margin:2px 0 0;padding:0;font-size:.87rem;list-style:none;display:grid}.rule-list li{align-items:flex-start;gap:8px;display:flex}.rule-list .met{color:var(--success)}.language-nav{border-top:1px solid var(--line);justify-content:center;align-items:center;gap:6px;margin-top:28px;padding-top:20px;display:flex}.language-nav a{border-radius:6px;align-items:center;min-height:44px;padding:0 10px;font-size:.9rem;display:inline-flex}.language-nav a[aria-current=page]{background:var(--primary-soft);color:var(--primary-strong);font-weight:750;text-decoration:none}.secondary-link{align-items:center;min-height:44px;font-weight:650;display:inline-flex}.success-actions{margin-top:20px}.home-shell{place-items:center;min-height:100svh;padding:32px 20px;display:grid}.home-card{border:1px solid var(--line);background:#fff;border-radius:10px;width:min(100%,620px);padding:40px;box-shadow:0 1px 2px #17233a12}.home-card .subtitle{margin-bottom:24px}.secondary-button{min-height:44px;color:var(--ink);cursor:pointer;background:#fff;border:1px solid #b8c4d3;border-radius:7px;padding:9px 16px;font-weight:700}.secondary-button:hover{background:var(--surface-soft);border-color:#8796aa}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:480px){.auth-shell{place-items:start center;padding:16px 12px}.auth-card{padding:24px 20px}.brand{margin-bottom:24px}.form-row{flex-direction:column;align-items:flex-start;gap:4px}.language-nav{gap:0}.home-card{padding:28px 22px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}