:root{--bg: #f6f7f9;--panel: #ffffff;--line: #e4e6eb;--ink: #1f2430;--muted: #6b7280;--primary: #4f46e5;--primary-ink: #ffffff;--danger: #dc2626;--ok: #16a34a;--warn: #d97706;--sidebar: #14161c;--sidebar-ink: #c9cdd6;--radius: 10px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans JP,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}a{color:var(--primary)}button{font:inherit;cursor:pointer}.app{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);color:var(--sidebar-ink);padding:18px 12px;position:sticky;top:0;height:100vh}.sidebar h1{color:#fff;font-size:16px;margin:6px 10px 20px;letter-spacing:.3px}.sidebar nav a{display:block;color:var(--sidebar-ink);text-decoration:none;padding:9px 12px;border-radius:8px;font-size:14px;margin-bottom:2px}.sidebar nav a:hover{background:#ffffff0f;color:#fff}.sidebar nav a.active{background:var(--primary);color:#fff}.sidebar .who{margin-top:18px;padding:10px 12px;font-size:12px;color:#8a90a0;border-top:1px solid rgba(255,255,255,.08)}.main{padding:24px 28px 60px;max-width:1100px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap}.page-head h2{margin:0;font-size:22px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px}.grid{display:grid;gap:14px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}@media (max-width: 820px){.grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr 1fr}.app{grid-template-columns:1fr}.sidebar{position:static;height:auto}}.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.stat .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.stat .value{font-size:26px;font-weight:700;margin-top:6px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}.table-wrap{overflow-x:auto}.btn{display:inline-block;background:var(--primary);color:var(--primary-ink);border:none;padding:9px 14px;border-radius:8px;text-decoration:none;font-size:14px}.btn.secondary{background:#eceef3;color:var(--ink)}.btn.danger{background:var(--danger)}.btn.ghost{background:transparent;color:var(--primary);border:1px solid var(--line)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.sm{padding:6px 10px;font-size:13px}.row-actions{display:flex;gap:6px;flex-wrap:wrap}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}input[type=text],input[type=url],input[type=email],input[type=number],select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}textarea{min-height:90px;resize:vertical}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge.draft{background:#eef;color:#4338ca}.badge.published{background:#dcfce7;color:#15803d}.badge.paused{background:#fef3c7;color:#b45309}.badge.archived{background:#f1f5f9;color:#64748b}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;flex-wrap:wrap}.tabs button{background:none;border:none;padding:10px 14px;color:var(--muted);border-bottom:2px solid transparent}.tabs button.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.save-state{font-size:13px;padding:4px 10px;border-radius:999px}.save-state.saved{color:var(--ok)}.save-state.saving{color:var(--warn)}.save-state.dirty{color:var(--danger)}.editor-split{display:grid;grid-template-columns:1fr 410px;gap:20px;align-items:start}@media (max-width: 1000px){.editor-split{grid-template-columns:1fr}}.preview-frame{width:390px;max-width:100%;height:720px;border:1px solid var(--line);border-radius:14px;background:#000}.notice{padding:10px 12px;border-radius:8px;font-size:13px;margin:8px 0}.notice.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.notice.ok{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}.notice.info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.spacer{flex:1}.kv{display:grid;grid-template-columns:200px 1fr;gap:8px 16px;font-size:14px}.kv .k{color:var(--muted)}