:root{--blue:#2F62C9;--blue-d:#1F4A9E;--ink:#1C2330;--ink2:#3A4456;--muted:#5D687B;--line:#E2E6EE;--line2:#C9CFDA;--bg:#F5F7FA;--card:#FFFFFF;--ok:#1F8A61;--ok-bg:#EEF7F2;--warn:#B5730E;--warn-bg:#FBF4E8;--bad:#B8423C;--bad-bg:#FDF0EF;--info-bg:#F3F6FD}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:Noto Sans JP,Hiragino Sans,Yu Gothic,system-ui,sans-serif;font-size:15px;line-height:1.55}a{color:var(--blue)}a:hover{color:var(--blue-d)}.top{background:#fff;border-bottom:1px solid var(--line)}.top-in{max-width:1200px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}.logo{font-weight:700;font-size:18px;color:var(--ink);text-decoration:none}.logo span{font-weight:400;color:var(--muted)}.nav{display:flex;gap:18px;flex:1 1 auto;flex-wrap:wrap}.grow{flex:1 1 auto}.nav a,.me{color:var(--ink2);text-decoration:none;font-size:14px;padding-bottom:3px}.nav a.on,.me.on{color:var(--blue);font-weight:700;border-bottom:2px solid var(--blue)}.lang{width:auto;height:34px;border:1px solid var(--line2);border-radius:8px;background:#fff;font:inherit;font-size:13px;padding:0 6px}.page{max-width:1200px;margin:0 auto;padding:24px 20px 40px;display:flex;flex-direction:column;gap:16px}.page.narrow{max-width:860px}.auth-wrap{display:flex;justify-content:center;padding:48px 16px}.center{display:flex;justify-content:center;padding:80px 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;flex-direction:column;gap:12px}.h1{margin:0;font-size:24px;font-weight:700}.h2{margin:0;font-size:17px;font-weight:700}.muted{color:var(--muted)}.small{font-size:13px}.big{font-size:22px}.stack{display:flex;flex-direction:column;gap:14px}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}.wrap{flex-wrap:wrap}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.align-top{align-items:start}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}@media(max-width:760px){.grid2,.grid3{grid-template-columns:1fr}.nav{order:3;width:100%}}.field{display:flex;flex-direction:column;gap:5px}.field-label{font-size:13.5px;font-weight:500}.field-hint{font-size:12px;color:var(--muted)}input,select{height:44px;border:1px solid var(--line2);border-radius:10px;padding:0 12px;font:inherit;font-size:15px;background:#fff;width:100%}input:focus,select:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}input[type=checkbox],input[type=radio]{width:18px;height:18px;flex:0 0 18px;margin-top:2px}.code-input{font-size:24px;letter-spacing:.4em;text-align:center;font-family:ui-monospace,monospace}.check{display:flex;gap:10px;align-items:flex-start;font-size:14px}.choice{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px;cursor:pointer}.choice.on{border:2px solid var(--blue);background:var(--info-bg)}.btn{border:0;border-radius:10px;padding:12px 20px;font:inherit;font-size:15px;font-weight:600;min-height:46px;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-d)}.btn-secondary{background:#fff;border:1px solid var(--line2);color:var(--ink)}.btn:disabled{opacity:.6;cursor:default}.alert{border-radius:10px;padding:10px 12px;font-size:14px}.alert-info{background:var(--info-bg);color:var(--blue-d)}.alert-success{background:var(--ok-bg);color:#1f6e4e}.alert-warn{background:var(--warn-bg);color:#8a5a0b}.alert-error{background:var(--bad-bg);color:#8a3530}.pill{border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;white-space:nowrap}.pill-ok{background:var(--ok-bg);color:var(--ok)}.pill-warn{background:var(--warn-bg);color:var(--warn)}.pill-bad{background:var(--bad-bg);color:var(--bad)}.pill-info{background:var(--info-bg);color:var(--blue)}.bar{height:8px;border-radius:4px;background:var(--line)}.bar>div{height:8px;border-radius:4px;background:var(--blue)}.table{width:100%;border-collapse:collapse;font-size:13.5px}.table th{color:var(--muted);font-weight:500;font-size:12px;text-align:left;padding:6px 4px}.table td{border-top:1px solid var(--line);padding:9px 4px}.danger{color:var(--bad)}