:root{--bg:#f7f6f2;--surface:#fff;--text:#1f2328;--muted:#5b6168;--line:#dcdad3;--accent:#1f6f5c;--accent-soft:#e3f0ec;--warn:#8a5a00;--warn-soft:#fbf1dc;--bar-before:#9aa3ab;--bar-after:#1f6f5c;--radius:10px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Hiragino Sans,Noto Sans JP,Yu Gothic UI,Meiryo,system-ui,sans-serif;line-height:1.75}@media (prefers-color-scheme:dark){:root{--bg:#15181b;--surface:#1d2125;--text:#e8e6e1;--muted:#a3a9b0;--line:#343a40;--accent:#5fc2a6;--accent-soft:#1d3530;--warn:#f0c060;--warn-soft:#3a2f17;--bar-before:#6c747c;--bar-after:#5fc2a6;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}[hidden]{display:none!important}body{background:var(--bg);color:var(--text);margin:0}a{color:var(--accent)}main{max-width:860px;margin:0 auto;padding:0 16px 64px}h1{margin:28px 0 8px;font-size:clamp(1.5rem,4.5vw,2.2rem);line-height:1.35}h2{margin:40px 0 12px;font-size:1.25rem}h3{margin:24px 0 8px;font-size:1.05rem}p{margin:8px 0}small,.muted{color:var(--muted)}.preview-banner{background:var(--warn-soft);color:var(--warn);text-align:center;border-bottom:1px solid var(--line);padding:8px 16px;font-size:.9rem}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin:16px 0;padding:20px}.field{margin:12px 0}.field>label,.field>.label{margin-bottom:4px;font-weight:600;display:block}.row{flex-wrap:wrap;align-items:end;gap:12px;display:flex}.row>*{flex:160px}input[type=number],input[type=email],input[type=text],select,textarea{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 10px}textarea{min-height:80px}input:focus,select:focus,textarea:focus,button:focus{outline:2px solid var(--accent);outline-offset:1px}.choice{align-items:flex-start;gap:8px;margin:6px 0;font-weight:400;display:flex}.choice input{margin-top:.45em}button,.button{font:inherit;cursor:pointer;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 18px;font-weight:600;text-decoration:none;display:inline-block}@media (prefers-color-scheme:dark){button,.button{color:#0f1a17}}button.secondary{color:var(--accent);border:1px solid var(--accent);background:0 0}button.link{color:var(--muted);background:0 0;padding:4px 8px;font-weight:400}.absorber-row{border-top:1px dashed var(--line);margin-top:12px;padding-top:12px}.absorber-row:first-of-type{border-top:0;margin-top:0;padding-top:0}.result-head{margin:0 0 4px;font-size:1.15rem;font-weight:700}.big{color:var(--accent);font-size:clamp(1.6rem,6vw,2.4rem);font-weight:700;line-height:1.2}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}th,td{border-bottom:1px solid var(--line);text-align:right;white-space:nowrap;padding:8px 6px}th:first-child,td:first-child{text-align:left}thead th{color:var(--muted);font-size:.85rem;font-weight:600}.table-wrap{overflow-x:auto}.meter{background:var(--bg);border:1px solid var(--line);border-radius:6px;height:28px;margin:28px 0 32px;position:relative}.meter .seg{border-radius:4px;height:18px;position:absolute;top:4px}.meter .before{background:var(--bar-before)}.meter .after{background:var(--bar-after);opacity:.85;height:10px;top:8px}.meter .tick{border-left:2px dashed var(--muted);width:0;position:absolute;top:-6px;bottom:-6px}.meter .tick span{color:var(--muted);white-space:nowrap;font-size:.75rem;position:absolute;top:-22px;left:-18px}.meter .axis{color:var(--muted);font-size:.75rem;position:absolute;bottom:-22px}.legend{color:var(--muted);flex-wrap:wrap;gap:16px;font-size:.85rem;display:flex}.legend i{vertical-align:-1px;border-radius:3px;width:12px;height:12px;margin-right:4px;display:inline-block}.note{background:var(--accent-soft);border-radius:8px;margin:12px 0;padding:12px 14px}.caution{background:var(--warn-soft);color:var(--text);border-radius:8px;margin:12px 0;padding:12px 14px}.sources li{word-break:break-word;margin:6px 0}.formula{background:var(--bg);border-radius:4px;padding:2px 6px;font-family:SFMono-Regular,Consolas,monospace}.hero{padding:32px 0 8px}.hero .lead{color:var(--muted);font-size:1.1rem}.kw{flex-wrap:wrap;gap:8px;margin:12px 0;padding:0;list-style:none;display:flex}.kw li{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:2px 12px;font-size:.9rem}.grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.grid .card{margin:0}.steps{counter-reset:s;padding:0;list-style:none}.steps li{counter-increment:s;margin:14px 0;padding-left:40px;position:relative}.steps li:before{content:counter(s);background:var(--accent);width:28px;height:28px;color:var(--surface);border-radius:50%;place-items:center;font-weight:700;display:grid;position:absolute;top:0;left:0}details{border-top:1px solid var(--line);padding:10px 0}summary{cursor:pointer;font-weight:600}footer{border-top:1px solid var(--line);color:var(--muted);margin-top:48px;padding-top:16px;font-size:.85rem}.form-done{display:none}.form-done.show{display:block}@media (width<=480px){th,td{padding:6px 3px;font-size:.85rem}.card{padding:16px 14px}}button:disabled{opacity:.55;cursor:default}