*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,sans-serif;color:#1d2330;background:#fbfaf7}
header{display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:center;padding:.8rem 1rem;border-bottom:1px solid #e5e1d8;background:#fff}
.logo{font-weight:700;text-decoration:none;color:#b0412e}nav{display:flex;flex-wrap:wrap;gap:.3rem .9rem;font-size:.9rem}nav a{color:#445}nav a[aria-current]{font-weight:700}
main{max-width:860px;margin:auto;padding:1rem}h1{line-height:1.2}.lead{font-size:1.1rem}
.tool{display:flex;flex-wrap:wrap;gap:.7rem;align-items:end;background:#fff;border:1px solid #e5e1d8;border-radius:10px;padding:1rem}
.tool label{display:flex;flex-direction:column;font-size:.85rem}.tool .chk{flex-direction:row;gap:.4rem;align-items:center}input,select,button{font:inherit;padding:.4rem;border:1px solid #bbb;border-radius:6px}input[type=number]{width:7rem}
button{background:#b0412e;color:#fff;border:0;padding:.5rem 1rem;cursor:pointer}.res{background:#fff;border-left:4px solid #b0412e;padding:.6rem 1rem;margin:1rem 0}
.tw{overflow-x:auto}table{border-collapse:collapse;width:100%;background:#fff;font-size:.92rem}th,td{border:1px solid #e5e1d8;padding:.4rem .6rem;text-align:left}th{background:#f3efe6}
.note,.src{font-size:.85rem;color:#555}footer{border-top:1px solid #e5e1d8;padding:1rem;font-size:.82rem;color:#555;text-align:center}.slot{margin:1.5rem 0}