:root{color-scheme:light;--ink:#20352f;--muted:#64736c;--green:#234c3d;--paper:#f6f7f2;--line:#dce2d9;--accent:#dceca5;--orange:#87501d}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:18px 5vw;background:#f6f7f2f5;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{font-size:20px;font-weight:800;letter-spacing:2px}.brand span{font-size:10px;letter-spacing:2px;display:block;line-height:1.1}.header-right{display:flex;gap:24px;align-items:center;font-size:13px;color:var(--muted)}#clock{font:600 26px/1.2 ui-monospace,monospace;color:var(--green);font-variant-numeric:tabular-nums}main{max-width:1420px;margin:auto;padding:0 5vw}.welcome{max-width:760px;margin:70px auto 64px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2px;color:var(--green);margin:0 0 16px}h1{font-size:clamp(32px,4vw,52px);line-height:1.13;font-weight:500;letter-spacing:-1.7px;margin:12px 0 24px}h2{font-size:23px;line-height:1.3;letter-spacing:-.5px;font-weight:600}p{margin:12px 0 20px}.lead{font-size:21px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:35px 0 40px;border-block:1px solid var(--line);padding:26px 0}.steps div{display:flex;align-items:center;gap:16px}.steps b{font-weight:500;font-size:38px;line-height:1}.steps span{font-size:12px;line-height:1.5;max-width:110px}li{margin:10px 0}ul,ol{padding-left:22px}.muted,.hint{color:var(--muted);font-size:13px}.consent{display:flex!important;gap:10px;align-items:start;margin:25px 0!important}.consent input{margin-top:7px;accent-color:var(--green);width:16px;height:16px}button{background:var(--green);border:1px solid var(--green);color:#fff;font:600 14px/1.3 inherit;padding:14px 23px;border-radius:5px;cursor:pointer;margin:8px 8px 8px 0;min-height:44px}button span{margin-left:28px}button.secondary{background:transparent;color:var(--green);border-color:var(--line)}button:disabled{opacity:.45;cursor:not-allowed}button:hover:not(:disabled){filter:brightness(1.13)}a{color:var(--green)}:focus-visible{outline:3px solid #96b668;outline-offset:3px}details{border:1px solid var(--line);border-radius:6px;padding:16px 20px;background:#fff;margin:12px 0}summary{cursor:pointer;font-weight:600;font-size:14px}#notice:not(:empty){position:sticky;top:83px;z-index:4;padding:14px 18px;background:#fff0d8;border:1px solid #e6c58f;border-radius:6px;margin-top:18px;font-size:14px}#notice:empty{display:none}.work-top{display:flex;justify-content:space-between;align-items:center;margin:40px 0 24px}.work-top h1{font-size:36px;margin-bottom:0}.work-top .eyebrow{margin:0}#save-status{font-size:12px;background:#e7eedc;border-radius:30px;padding:7px 13px;max-width:230px}.progress{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-bottom:24px;font-size:12px;font-weight:600}.progress>span{flex:1;padding:12px 16px}.progress .done{background:#e4edda}.layout{display:grid;grid-template-columns:minmax(320px, .95fr) minmax(380px,1.05fr);gap:40px}aside{position:sticky;top:110px;max-height:calc(100vh - 135px);overflow:auto;padding-right:10px;scrollbar-width:thin}.source-head{display:flex;justify-content:space-between;align-items:center}.source-head span{font-size:10px;color:var(--muted)}#case-intro{white-space:pre-wrap;font-size:14px}.source-body,#update-text{white-space:pre-wrap;font-size:13px;line-height:1.7;overflow-wrap:anywhere}.source-body{margin-top:16px}#update{background:#ebf2dd;border:1px solid #b9cc94;border-radius:7px;padding:20px 22px;margin:0 0 25px}.answer-section{border:1px solid var(--line);background:white;padding:28px;margin-bottom:22px;border-radius:7px}.answer-section .eyebrow{margin-bottom:8px}.answer-section h2{margin:0 0 20px}label{display:block;font-size:14px;font-weight:600;margin:24px 0 5px}.hint{margin:4px 0 12px;font-size:12px}textarea{display:block;width:100%;resize:vertical;border:1px solid #cbd4c7;background:#fafbf7;padding:14px;color:var(--ink);font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;border-radius:4px;min-height:90px}textarea:disabled,textarea:read-only{background:#f0f2ed;color:#66706a}.finish-box{font-size:13px;margin-bottom:30px}#support{max-width:760px;margin:45px auto}footer{padding:28px 5vw;border-top:1px solid var(--line);font-size:10px;letter-spacing:1px;display:flex;justify-content:space-between;color:var(--muted);margin-top:50px}#receipt-meta{font-size:13px;overflow-wrap:anywhere}[hidden]{display:none!important}@media(max-width:850px){.layout{grid-template-columns:1fr;gap:20px}aside{position:static;max-height:none;padding:0}.welcome{margin-top:36px}.steps{gap:12px}.steps div{flex-direction:column;align-items:start;gap:9px}.header-right{gap:10px;font-size:11px}.work-top{align-items:start;gap:15px}.work-top h1{font-size:27px}.answer-section{padding:20px}.progress>span{padding:10px;font-size:11px}footer span{display:none}}@media(prefers-reduced-motion:no-preference){button{transition:filter .15s}}
#demo{padding:12px 18px;background:#fff0d8;border:1px solid #e6c58f;border-radius:6px;margin-top:18px;font-size:13px}button{font-family:inherit;font-size:14px;line-height:1.3;font-weight:600}

.source-body p,.source-body li,#update-body p,#update-body li{font-size:13.5px;line-height:1.65;margin:6px 0;overflow-wrap:anywhere}.source-body ul,#update-body ul{margin:8px 0}.meta{color:var(--muted);font-size:12px!important;font-style:italic}.pre{white-space:pre-wrap}
.table-wrap{overflow-x:auto;margin:10px 0}table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.5}th,td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}th{background:#f1f4ec;font-weight:650}th,td{overflow-wrap:break-word}tr>:first-child{min-width:8.5em;max-width:11em}
.update-item{border-top:1px solid #c9d8ad;margin-top:14px;padding-top:6px}.update-item h3{font-size:15px;margin:8px 0 2px}#update:focus{outline:3px solid #96b668;outline-offset:3px}
button.link{background:none;border:none;color:var(--green);text-decoration:underline;padding:4px 6px;margin:0 0 0 8px;min-height:32px;font-weight:600}
.status-box{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:6px}#timer-note:empty{display:none}#timer-note{font-size:12px;font-weight:600;color:var(--orange);max-width:260px}
.jump{display:none}#work-title:focus{outline:none}
@media(max-width:850px){.jump{display:flex;gap:10px;position:sticky;top:66px;z-index:3;background:var(--paper);padding:8px 0;margin-bottom:8px}.jump a{flex:1;text-align:center;border:1px solid var(--line);border-radius:5px;padding:9px;background:#fff;font-size:13px;font-weight:600;text-decoration:none}header{padding:12px 16px}main{padding:0 16px}.status-box{align-items:flex-start;text-align:left}.work-top{flex-direction:column}#notice:not(:empty){top:62px}#clock{font-size:21px}}

.once{background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:6px;padding:14px 18px;margin:28px 0 8px;font-size:15px}
.timeline{list-style:none;padding:0;margin:14px 0 36px;border-left:2px solid var(--line)}.timeline li{display:grid;grid-template-columns:150px 1fr;gap:16px;margin:0;padding:12px 0 12px 18px;position:relative}.timeline li::before{content:"";position:absolute;left:-7px;top:19px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--muted)}.timeline li.lock::before{background:var(--green);border-color:var(--green)}.timeline .when{font-weight:700;font-size:14px;color:var(--green);padding-top:1px}.timeline li div{font-size:15px;line-height:1.55}.timeline li.lock{background:#eef3e6;border-radius:0 6px 6px 0}
@media(max-width:600px){.timeline li{grid-template-columns:1fr;gap:2px}}