:root{color:#2a2520;font-family:Noto Sans JP,Yu Gothic,system-ui,sans-serif}body{background:#f8f4ed;margin:0}.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}aside{background:#2a2520;color:#f8f4ed;padding:24px}nav{display:grid;gap:10px;margin-top:28px}a{color:inherit;text-decoration:none}main{padding:32px}.panel{background:#fff;border:1px solid #e8dfd3;border-radius:8px;padding:20px}.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}h1{font-family:"Noto Serif JP",Yu Mincho,serif;margin-top:0}@media(max-width:720px){.admin-shell{grid-template-columns:1fr}aside{position:static}}