:root{color-scheme:light;--ink:#163532;--muted:#596d68;--teal:#145e59;--border:#d8e2de;--paper:#fffdf8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Yu Gothic",Meiryo,system-ui,sans-serif;line-height:1.65}main{max-width:1160px;margin:auto;padding:0 32px 40px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;border-bottom:1px solid var(--border)}.brand{font-weight:800;letter-spacing:.06em;color:var(--ink);text-decoration:none}.version{font-size:12px;color:var(--muted)}.intro{padding:60px 0 36px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.13em;color:var(--teal);margin:0 0 12px}h1{font-size:clamp(32px,4.7vw,52px);line-height:1.35;letter-spacing:-.025em;margin:0 0 20px}h2{font-size:19px;line-height:1.45;margin:0}.lead{font-size:17px;color:var(--muted);margin:0 0 24px}.badges{display:flex;flex-wrap:wrap;gap:8px}.badges span{padding:5px 12px;font-size:12px;border:1px solid #b9d2c9;border-radius:20px}.try{border:1px solid var(--border);border-radius:12px;padding:22px;display:flex;gap:24px;justify-content:space-between;align-items:center;background:#f0f5ef}.try p{font-size:13px;margin:6px 0 0;color:var(--muted)}.demo{display:grid;grid-template-columns:1fr auto;gap:8px;min-width:340px}.demo label{font-size:12px;grid-column:1/-1}button,input,select{font:inherit}button{border:1px solid var(--teal);border-radius:7px;background:var(--teal);color:white;padding:11px 15px;font-size:14px;font-weight:700;cursor:pointer}button:hover{background:#0c4944}button:disabled{background:#e5eae6;color:#88928c;border-color:#d7ddd7;cursor:default}.secondary{background:white;color:var(--teal)}.secondary:hover{background:#e8f0e9}.quiet{color:var(--muted);background:transparent;border-color:var(--border);font-weight:400;margin-top:16px}select{font-size:12px;border-radius:6px;border:1px solid #bdcbc4;background:white;padding:9px;max-width:100%}#status{padding:15px 2px;color:var(--teal);font-size:14px;min-height:54px}#status.error{color:#96372d}.steps{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.panel{background:white;border:1px solid var(--border);border-radius:12px;padding:22px;min-width:0}.step-heading{display:flex;gap:10px;align-items:center}.step-no{background:#eaf3ec;color:var(--teal);font-weight:800;padding:3px 10px;border-radius:30px}.panel p{font-size:14px;color:var(--muted);margin:15px 0}.panel .small{font-size:12px}.file-label{display:block;font-size:12px;font-weight:700;margin:12px 0 5px}input[type=file]{display:block;width:100%;font-size:12px;color:var(--muted);padding:8px 0;margin-bottom:8px}.summary{padding:10px;background:#f5f7f1;border-radius:6px;font-size:13px;margin:12px 0}.panel button{width:100%;margin-top:12px}.results{border:1px solid var(--border);border-radius:12px;margin-top:22px;background:white;padding:24px}.result-head{display:flex;gap:20px;justify-content:space-between;align-items:center}.result-head .eyebrow{margin-bottom:5px}#result-summary{font-size:14px;color:var(--muted)}.changes{display:grid;gap:10px}.change{display:grid;grid-template-columns:1fr 1fr;gap:14px;border-top:1px solid var(--border);padding:14px 0}.change h3{grid-column:1/-1;font-size:13px;margin:0}.change label{font-size:11px;color:var(--muted)}.change pre{margin:5px 0 0;padding:10px;background:#f3f6f0;font-family:inherit;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.change .after pre{background:#edf7ef}#error-list{font-size:13px;color:#96372d;overflow-wrap:anywhere}.help{margin-top:32px}.help h2{margin-bottom:10px}details{border-bottom:1px solid var(--border);padding:12px 0;font-size:14px}summary{cursor:pointer;font-weight:600}details p{color:var(--muted);font-size:13px;max-width:850px}footer{margin-top:30px;border-top:1px solid var(--border);padding-top:18px;color:var(--muted);font-size:12px}button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #72b09b;outline-offset:3px}@media(max-width:850px){.try{display:block}.demo{margin-top:16px;min-width:0}.steps{grid-template-columns:1fr}.intro{padding-top:40px}.result-head{display:block}.result-head button{margin-top:14px}.change{grid-template-columns:1fr}.change h3{grid-column:auto}header{align-items:flex-start}.version{max-width:135px;text-align:right}.wide{display:none}}@media(max-width:480px){main{padding-left:18px;padding-right:18px}.demo{grid-template-columns:1fr}.panel,.results,.try{padding:18px}}
@media(min-width:851px){.try{display:grid;grid-template-columns:1fr minmax(340px,430px)}.try>p{grid-column:1/-1;margin:0}}
.purchase-interest{margin-top:22px;border:1px solid var(--border);border-radius:12px;padding:24px;background:#f0f5ef}.purchase-interest[hidden]{display:none}.purchase-interest p{font-size:14px;color:var(--muted)}.purchase-interest .small{font-size:12px}.purchase-interest fieldset{border:0;padding:0;margin:16px 0}.purchase-interest legend{font-size:13px;font-weight:700;margin-bottom:8px}.purchase-interest label{display:block;padding:7px 0;font-size:14px}.purchase-interest input{margin-right:6px}.purchase-interest #purchase-status{font-size:13px}