:root{--ink:#17332e;--muted:#647873;--primary:#166a5b;--primary-dark:#0d5146;--accent:#e8a63a;--paper:#fff;--bg:#f3f6f2;--line:#dce6e2;--danger:#b93838;--shadow:0 18px 50px rgba(25,65,56,.11)}*{box-sizing:border-box}html{font-family:"Noto Sans JP","Yu Gothic UI",Meiryo,sans-serif;color:var(--ink);background:var(--bg)}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 20%,#dff1e9 0,transparent 38%),radial-gradient(circle at 80% 80%,#faeacc 0,transparent 35%),var(--bg)}.login-card{width:min(440px,100%);background:rgba(255,255,255,.94);padding:48px;border-radius:28px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.8)}.brand-mark{width:62px;height:62px;display:grid;place-items:center;border-radius:20px;background:#e1f2ed;font-size:30px;margin-bottom:26px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:800;color:var(--primary);margin:0 0 8px}.login-card h1,.page-heading h2,.dialog-card h2{margin:0;letter-spacing:-.04em}.login-card h1{font-size:34px}.lead,.page-heading p,.card-title p,.dialog-card>p{color:var(--muted);line-height:1.7}.login-card form{display:grid;gap:19px;margin-top:30px}label{display:grid;gap:8px;font-size:14px;font-weight:700}input,select,textarea{width:100%;border:1px solid #c9d8d3;background:#fff;border-radius:12px;padding:12px 14px;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,106,91,.12)}button{border:0;border-radius:11px;padding:11px 17px;font-weight:800;color:var(--ink);background:#edf2f0}.primary{background:var(--primary);color:#fff;box-shadow:0 7px 18px rgba(22,106,91,.2)}.primary:hover{background:var(--primary-dark)}.secondary{background:#e5f2ee;color:var(--primary)}.ghost{background:transparent;border:1px solid var(--line)}.wide{width:100%;padding:14px}.error{min-height:1.2em;color:var(--danger);font-size:13px;margin:0}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 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