*,:before,:after{box-sizing:border-box}body{max-width:70rem;margin:0 auto;padding:0 1rem 2rem;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5}body>header{flex-wrap:wrap;align-items:baseline;gap:.5rem 1.5rem;padding:1rem 0;display:flex}body>header h1{margin:0;font-size:1.25rem}body>header nav ul{gap:1rem;margin:0;padding:0;list-style:none;display:flex}table{border-collapse:collapse;width:100%}th,td{text-align:left;vertical-align:top;border:1px solid #ccc;padding:.4rem .6rem}.calendar{table-layout:fixed}.calendar ul{margin:0;padding:0;list-style:none}.calendar li{text-overflow:ellipsis;white-space:nowrap;border:1px solid #ccc;padding:.05rem .3rem;overflow:hidden}.calendar li+li{margin-top:.15rem}textarea{width:100%;max-width:40rem}.error{color:#b00020}.notice{border-left:3px solid;padding-left:.75rem}