:root{--orange:#e85a0c;--cream:#fdf8f2;--ink:#1f1a17;--muted:#6b625c;--line:#e6ddd3;--card:#fff;--ok:#17795e;--warn:#b3401a}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--cream);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;font-size:16px;line-height:1.75}.wrap{max-width:880px;margin:0 auto;padding:20px 16px 64px}.hd{align-items:center;gap:14px;padding:8px 0 20px;display:flex}.hd-mark{background:var(--orange);color:#fff;text-align:center;letter-spacing:.02em;border-radius:10px;flex:0 0 48px;width:48px;height:48px;font-size:30px;font-weight:800;line-height:48px}.hd h1{letter-spacing:.01em;margin:0;font-size:20px;line-height:1.4}.hd-sub{color:var(--muted);margin:2px 0 0;font-size:13px}h2{border-left:4px solid var(--orange);margin:36px 0 10px;padding-left:10px;font-size:17px;line-height:1.5}.lead{color:var(--muted);margin:0 0 14px;font-size:13px}.result-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.card-label{color:var(--muted);letter-spacing:.04em;font-size:12px}.card-value{color:var(--orange);letter-spacing:-.01em;margin:2px 0 6px;font-size:30px;font-weight:800;line-height:1.25}.card-note{color:var(--muted);font-size:12px;line-height:1.6}.result-foot{color:var(--muted);margin:10px 2px 0;font-size:13px}.err{color:var(--warn);background:#fff2ec;border:1px solid #f3c9b6;border-radius:10px;padding:12px 14px;font-size:14px}.fields{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px 16px;display:grid}.f{display:block}.f-label{margin-bottom:4px;font-size:13px;font-weight:600;display:block}.f-inputwrap{border:1px solid var(--line);background:#fff;border-radius:8px;align-items:stretch;display:flex;overflow:hidden}.f-inputwrap:focus-within{border-color:var(--orange);box-shadow:0 0 0 3px #e85a0c1f}.f-inputwrap input{text-align:right;min-width:0;color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:9px 10px;font-family:inherit;font-size:16px}.f-unit{border-left:1px solid var(--line);color:var(--muted);white-space:nowrap;background:#faf5ef;align-items:center;padding:0 10px;font-size:12px;display:flex}.f-hint{color:var(--muted);margin-top:3px;font-size:11px;line-height:1.5;display:block}.row-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;display:flex}.check{align-items:center;gap:7px;font-size:13px;display:flex}.ghost{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:#fff;border-radius:8px;padding:7px 14px;font-family:inherit;font-size:13px}.ghost:hover{border-color:var(--orange);color:var(--orange)}.steps{counter-reset:s;margin:0;padding:0;list-style:none}.steps>li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:8px;padding:12px 14px 12px 40px;position:relative}.steps>li:before{content:counter(s);background:var(--orange);color:#fff;text-align:center;border-radius:50%;width:20px;height:20px;font-size:11px;font-weight:700;line-height:20px;position:absolute;top:12px;left:12px}.step-head{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.step-label{font-size:14px;font-weight:700}.step-value{color:var(--orange);white-space:nowrap;font-size:14px;font-weight:700}.step-formula{color:var(--muted);margin-top:2px;font-size:12.5px}.step-inputs{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.chip{border:1px solid var(--line);color:var(--muted);background:#faf5ef;border-radius:999px;padding:2px 9px;font-size:11.5px}.chip b{color:var(--ink);font-weight:700}.table-scroll{border:1px solid var(--line);background:var(--card);-webkit-overflow-scrolling:touch;border-radius:10px;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:right;white-space:nowrap;padding:7px 10px}thead th{color:var(--muted);border-bottom:1px solid var(--line);background:#faf5ef;font-size:11.5px;font-weight:600;position:sticky;top:0}tbody tr{cursor:pointer;border-bottom:1px solid #f2ebe3}tbody tr:hover{background:#fffaf5}tbody tr.open{background:#fff3ea}td.age{text-align:left;font-weight:700}td.total{font-weight:700}.trace-row,.trace-row:hover{cursor:default;background:#fdf8f2}.trace-box{text-align:left;white-space:normal;padding:12px 4px 8px}.trace-title{color:var(--muted);margin-bottom:8px;font-size:12px;font-weight:700}.ft{border-top:1px solid var(--line);color:var(--muted);margin-top:44px;padding-top:18px;font-size:12px;line-height:1.8}.ft p{margin:0 0 6px}.ft-sub{color:#948a83}@media (width<=560px){.wrap{padding:16px 12px 48px}.result-grid{grid-template-columns:1fr}.card-value{font-size:26px}.hd h1{font-size:17px}.fields{grid-template-columns:1fr}}.holds{gap:12px;display:grid}.hold{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px 10px}.hold-head{align-items:center;gap:10px;margin-bottom:10px;display:flex}.hold-name{border:0;border-bottom:1px dashed var(--line);min-width:0;font:inherit;color:var(--ink);background:0 0;outline:none;flex:1;padding:3px 2px;font-size:15px;font-weight:700}.hold-name:focus{border-bottom-color:var(--orange)}.hold-share{color:var(--orange);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:17px;font-weight:800}.hold-del{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:#fff;border-radius:6px;flex:0 0 26px;width:26px;height:26px;font-size:15px;line-height:1}.hold-del:hover{border-color:var(--warn);color:var(--warn)}.hold-body{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px 14px;display:grid}.hold-sel{min-width:0;color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:9px 10px;font-family:inherit;font-size:16px}.hold-foot{color:var(--muted);border-top:1px solid #f2ebe3;margin-top:10px;padding-top:8px;font-size:11.5px}@media (width<=560px){.hold-body{grid-template-columns:1fr}}.srcs{gap:8px;margin:0;padding:0;list-style:none;display:grid}.srcs>li{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 14px}.src-head{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.src-label{font-size:13.5px;font-weight:700}.src-date{color:var(--muted);white-space:nowrap;font-size:11px}.src-value{color:var(--muted);margin-top:2px;font-size:12px;line-height:1.6}.src-link{color:var(--orange);word-break:break-all;font-size:11.5px;text-decoration:none}.src-link:hover{text-decoration:underline}