:root{--btn-min:44px;--green:#2f7d4f;color:#1c1c1e;font-family:-apple-system,Hiragino Sans,Yu Gothic UI,sans-serif}*{box-sizing:border-box}body{background:#f6f6f4;margin:0}.app{flex-direction:column;min-height:100vh;display:flex}main{padding:12px 14px calc(var(--btn-min) + 32px + env(safe-area-inset-bottom));flex:1}h2{margin:4px 0 8px;font-size:1.25rem}h3{margin:16px 0 6px;font-size:1rem}section{background:#fff;border-radius:10px;margin-top:12px;padding:4px 14px 14px}.note{color:#666;font-size:.85rem}.big{margin:4px 0;font-size:1.2rem}.error{color:#b00020}.row{flex-wrap:wrap;gap:8px;margin:8px 0;display:flex}table{border-collapse:collapse;width:100%;font-size:.85rem}th,td{text-align:left;vertical-align:top;border-bottom:1px solid #eee;padding:6px 4px}.btn{min-height:var(--btn-min);min-width:var(--btn-min);font:inherit;color:inherit;cursor:pointer;background:#fff;border:1px solid #b9b9b4;border-radius:10px;justify-content:center;align-items:center;padding:0 16px;display:inline-flex}.btn.primary{background:var(--green);border-color:var(--green);color:#fff}.btn:disabled{opacity:.4;cursor:not-allowed}.tabbar{padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid #ddd;display:flex;position:fixed;bottom:0;left:0;right:0}.tab{min-height:52px;min-width:var(--btn-min);color:#555;flex:1;justify-content:center;align-items:center;text-decoration:none;display:flex}.tab.active{color:var(--green);border-top:3px solid var(--green);font-weight:700}