:root{font-family:Hiragino Maru Gothic ProN,Avenir Next,SF Pro Rounded,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;--bg: #f5f5f7;--surface: rgba(255, 255, 255, .85);--surface-alt: #ffffff;--surface-soft: rgba(245, 245, 247, .7);--text: #1d1d1f;--muted: #86868b;--line: rgba(0, 0, 0, .08);--line-soft: rgba(0, 0, 0, .04);--blue: #0071e3;--blue-press: #0077ed;--color-success: #1d7a33;--color-success-bg: rgba(40, 205, 65, .08);--color-success-border: rgba(40, 205, 65, .35);--color-error: #d70015;--color-error-bg: rgba(255, 59, 48, .06);--color-error-border: rgba(255, 59, 48, .3);--color-warning: #8a6400;--color-warning-bg: rgba(245, 188, 0, .08);--color-warning-border: rgba(245, 188, 0, .4);--radius-xs: 4px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 999px;--text-2xs: .72rem;--text-xs: .78rem;--text-sm: .82rem;--text-md: .9rem;--text-base: 1rem;--text-lg: 1.15rem;--text-xl: 1.35rem;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .05);background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{margin:0}main{padding:16px}button{width:100%;margin:6px 0;padding:10px;border-radius:var(--radius-md);border:1px solid var(--blue);background:var(--blue);color:#fff;font-weight:700;cursor:pointer}button:hover{background:var(--blue-press)}.secondary-button{background:var(--surface-alt);color:var(--text);border:1px solid var(--line)}.secondary-button:hover{background:var(--surface-soft)}input,select,textarea{width:100%;padding:10px;border-radius:var(--radius-md);margin:4px 0;border:1px solid var(--line);background:var(--surface-alt);color:var(--text)}.section{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-md);padding:12px;margin-bottom:12px;box-shadow:var(--shadow-sm)}.error{color:var(--color-error);margin:8px 0;white-space:pre-wrap}.admin-card{border-color:var(--line)}.admin-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:8px 0}.pagination-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.audit-log-row{border-bottom:1px solid var(--line-soft);padding:8px 0}.audit-log-row pre{margin:6px 0 0;white-space:pre-wrap;word-break:break-word;background:var(--surface-soft);padding:8px;border-radius:var(--radius-xs)}.admin-shell{min-height:100vh;background:var(--bg)}.admin-header{padding:12px 16px;background:var(--text);color:#fff;display:grid;gap:8px}.admin-header h1{margin:0;font-size:var(--text-lg)}.admin-header nav{display:flex;flex-wrap:wrap;gap:10px}.admin-header nav a{color:#ffffffbf;text-decoration:none;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius-full);padding:6px 10px}.admin-header nav a:hover{color:#fff;border-color:#fff9}.checkbox-row{display:flex;align-items:center;gap:8px;font-size:var(--text-sm)}.checkbox-row input{width:auto;margin:0}.chips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:8px 0}.chip-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;text-decoration:none;padding:10px;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--surface-alt);color:var(--text)}.table-like{display:grid;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}.table-head,.table-row{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:8px;padding:8px}.table-head{background:var(--surface-soft);font-weight:600}.table-row:nth-child(2n){background:var(--surface-soft)}.kpi-grid{display:grid;gap:8px;grid-template-columns:repeat(2,minmax(0,1fr))}.kpi-card{border-radius:var(--radius-md);border:1px solid var(--line);padding:10px;background:var(--surface-alt)}.kpi-card p{margin:4px 0}.kpi-value{font-size:var(--text-xl);font-weight:700}.kpi-delta{font-size:var(--text-xs);color:var(--muted)}.kpi-up{border-color:var(--color-success-border);background:var(--color-success-bg)}.kpi-down{border-color:var(--color-error-border);background:var(--color-error-bg)}.kpi-flat{border-color:var(--line);background:var(--surface-alt)}.risk-badge{display:inline-block;min-width:52px;text-align:center;padding:2px 8px;border-radius:var(--radius-full);font-size:var(--text-xs);border:1px solid transparent}.risk-low{background:var(--color-success-bg);color:var(--color-success);border-color:var(--color-success-border)}.risk-watch,.risk-medium{background:var(--color-warning-bg);color:var(--color-warning);border-color:var(--color-warning-border)}.risk-high{background:var(--color-error-bg);color:var(--color-error);border-color:var(--color-error-border)}.pilot-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.pilot-actions{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.pilot-credentials-card h3,.pilot-feedback-list,.pilot-tester-list{margin-top:0}.pilot-credential-grid{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin:12px 0}.pilot-credential-grid div{border:1px solid var(--line);border-radius:var(--radius-md);padding:10px;background:var(--surface-alt);display:grid;gap:6px}.pilot-tester-list{display:grid;gap:12px}.pilot-tester-item{border:1px solid var(--line);border-radius:var(--radius-md);padding:12px;background:var(--surface-alt);display:grid;gap:10px}.pilot-tester-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.pilot-meta-grid{display:grid;gap:6px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.pilot-notes{color:var(--muted);white-space:pre-wrap}.pilot-stage-row{display:flex;flex-wrap:wrap;gap:8px}@media(min-width:900px){.admin-header{grid-template-columns:auto 1fr auto;align-items:center}.chips,.kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}