:root{--blue:#1565d8;--blue-light:#2fb3f2;--blue-grad:linear-gradient(135deg, #1565d8 0%, #2fb3f2 100%);--navy:#17265c;--bg:#fff;--bg-soft:#f4f8fd;--border:#e3ecf6;--text:#22304d;--muted:#7b8aa6;--green:#0e9f6e;--red:#d8544f;--radius:16px;--shadow:0 4px 20px #17265c14}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text);-webkit-font-smoothing:antialiased;background:#e9eff7;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif;line-height:1.7}.app-header{box-shadow:var(--shadow);z-index:10;background:#fff;align-items:center;gap:10px;padding:14px 20px;display:flex;position:sticky;top:0}.app-header .brand{color:var(--navy);letter-spacing:1px;font-size:17px;font-weight:700}.app-header .brand-dot{background:var(--blue-grad);border-radius:50%;width:12px;height:12px;display:inline-block}.app-header .dev-tag{background:var(--bg-soft);color:var(--muted);border-radius:10px;padding:3px 10px;font-size:10.5px}main{max-width:760px;margin:0 auto;padding:20px 16px 80px}h1{color:var(--navy);margin:6px 0 16px;font-size:19px}h2{color:var(--navy);margin-bottom:10px;font-size:15px}h3{color:var(--navy);margin:16px 0 8px;font-size:13.5px}p{margin:8px 0;font-size:13.5px}.panel{border-radius:var(--radius);box-shadow:var(--shadow);overflow-wrap:anywhere;background:#fff;margin-bottom:16px;padding:18px 20px}button{background:var(--blue-grad);color:#fff;cursor:pointer;border:none;border-radius:12px;margin:2px 2px 2px 0;padding:9px 18px;font-family:inherit;font-size:13px;font-weight:700;box-shadow:0 2px 8px #1565d840}button:hover{opacity:.9}button:disabled{opacity:.45;cursor:default}input{border:2px solid var(--border);background:#fff;border-radius:10px;max-width:180px;padding:8px 12px;font-family:inherit;font-size:14px}input:focus{border-color:var(--blue);outline:none}table{border-collapse:collapse;width:100%;margin:10px 0;font-size:13px}table,th,td{border:none}th{text-align:left;color:var(--muted);border-bottom:2px solid var(--border);padding:8px 10px;font-size:11px;font-weight:400}td{border-bottom:1px solid var(--bg-soft);padding:10px}tr:last-child td{border-bottom:none}td:last-child{text-align:right;color:var(--navy);font-weight:700}thead+tbody td:last-child{font-weight:400}.hint{color:var(--muted);margin:6px 0 10px;font-size:12px;line-height:1.7}.steps{gap:10px;margin:10px 0;display:flex}.step{background:var(--bg-soft);border:2px solid #0000;border-radius:12px;flex:1;align-items:flex-start;gap:10px;padding:12px;display:flex}.step.current{border-color:var(--blue);background:#f2f8ff}.step.done{opacity:.7}.step-no{background:var(--blue-grad);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;margin-top:2px;font-size:12px;font-weight:700;display:flex}.step.done .step-no{background:var(--green)}.step-t{color:var(--navy);font-size:13px;font-weight:700}.step-d{color:var(--muted);font-size:11px}@media (max-width:640px){.steps{flex-direction:column}}