:root{--bg:#f6f7fb;--card:#fff;--text:#111;--muted:#666;--primary:#5b6cff;--danger:#b00020;--border:#e9ecf4;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,"Noto Sans JP",sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit}
.container{max-width:1100px;margin:24px auto;padding:0 16px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.card{background:var(--card);border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,.06);padding:18px;margin:12px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;background:#111;color:#fff;text-decoration:none;font-weight:900;border:0;cursor:pointer}
.btn.primary{background:var(--primary)}
.btn.danger{background:var(--danger)}
.muted{color:var(--muted)}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;background:#eef0f6}
.badge.ok{background:#e6f4ea}
.badge.ng{background:#fce8e6}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}
.input{width:100%;padding:12px;border:1px solid #d8dbe6;border-radius:10px;margin-top:8px}
label{display:block;margin-top:14px;font-weight:800}
.notice{border-left:4px solid var(--primary);padding:12px 14px;background:#eef1ff;border-radius:10px}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;background:#111;color:#fff;padding:2px 8px;border-radius:8px;font-size:.9em}
.nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.nav a{padding:8px 12px;border:1px solid var(--border);border-radius:10px;text-decoration:none;background:#fff}
.nav a:hover{border-color:#cfd5ef}
.small{font-size:.92em}
.hr{height:1px;background:var(--border);margin:14px 0}