:root{--ink:#243c34;--green:#275749;--mint:#edf4ec;--paper:#fbfaf6;--line:#dce2da;--muted:#617069;--amber:#fff2d9}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 system-ui,-apple-system,'Yu Gothic',sans-serif}a{color:var(--green);text-underline-offset:4px}button,input{font:inherit}button,.button{cursor:pointer}header{height:100px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5%;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:21px;font-weight:750;line-height:1.25}.brand small{font-size:11px;font-weight:500}.mark{display:grid;place-items:center;background:var(--green);color:white;border-radius:14px;width:44px;height:44px;font-size:30px}nav{display:flex;gap:28px}nav a{text-decoration:none;font-size:14px}.version,.tag{font-size:12px;background:var(--mint);padding:5px 12px;border-radius:30px;white-space:nowrap}.layout{max-width:1300px;margin:auto;display:grid;grid-template-columns:250px minmax(0,1fr);gap:60px;padding:45px 40px 80px}aside{align-self:start;position:sticky;top:22px}aside>a{display:block;margin:10px 0;font-size:14px}.eyebrow{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:700}.progress-title{display:flex;justify-content:space-between;font-size:14px}.progress-title b{color:var(--green)}progress{width:100%;height:7px;accent-color:var(--green)}#step-nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;margin:4px 0;text-decoration:none;border-radius:10px;font-size:13px}#step-nav a[aria-current]{background:var(--mint);font-weight:bold}#step-nav .num{font-variant-numeric:tabular-nums;font-size:12px;color:var(--muted);min-width:22px}.muted,.small{color:var(--muted);font-size:13px}.small{font-size:12px}.text-button{border:0;background:none;padding:0;color:var(--green);text-decoration:underline;font-size:12px}hr{border:0;border-top:1px solid var(--line);margin:25px 0}h1{font-size:clamp(30px,4vw,46px);line-height:1.4;letter-spacing:-.025em;margin:18px 0}h2{font-size:23px;line-height:1.5;margin:30px 0 15px}h3{font-size:17px;margin:20px 0 8px}p{margin:12px 0}.lead{color:var(--muted);max-width:600px}.hero{padding:5px 0 20px}.hero-bottom{display:flex;align-items:center;gap:18px;margin:25px 0}.button,button.primary{display:inline-block;border:1px solid var(--green);background:var(--green);color:#fff;text-decoration:none;padding:11px 22px;border-radius:8px;font-weight:600}.button.secondary{background:#fff;color:var(--green)}.notice{padding:16px 20px;background:var(--amber);border-left:3px solid #bf8b34;border-radius:6px;margin:20px 0;font-size:14px}.notice p{margin:4px 0}.flow{display:flex;gap:12px;align-items:center;background:var(--mint);padding:25px;border-radius:14px;margin:25px 0}.flow>div{flex:1;text-align:center}.flow strong{display:block}.flow small{font-size:12px;color:var(--muted)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px}.card p{font-size:14px;color:var(--muted)}.step-card{display:block;text-decoration:none;transition:border-color .15s}.step-card:hover{border-color:var(--green)}.step-card span{font-size:12px;color:var(--muted)}.step-card strong{display:block;font-size:18px;margin:7px 0}.step-card small{display:block;font-size:13px}.summary{display:grid;grid-template-columns:1fr 1fr;gap:16px}.summary .card{padding:16px 20px}.summary h3{margin:0;font-size:13px;color:var(--muted)}ol{padding-left:25px}li{padding:6px 0}code{background:#edf0eb;padding:2px 5px;border-radius:4px;font-size:13px;overflow-wrap:anywhere}pre{background:#182e27;color:#eef4ee;max-height:340px;overflow:auto;padding:22px;border-radius:10px;font-size:12px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}pre code{background:none;padding:0;color:inherit}.check{display:flex;gap:13px;align-items:flex-start;padding:20px;background:var(--mint);border-radius:10px;margin:24px 0;cursor:pointer}.check input{width:20px;height:20px;margin-top:5px;accent-color:var(--green);flex-shrink:0}.check small{display:block;color:var(--muted)}.actions{display:flex;justify-content:space-between;gap:15px;margin-top:25px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--mint)}details{border-bottom:1px solid var(--line);padding:15px 0}summary{cursor:pointer;font-weight:600}details p{font-size:14px}.news-item{padding:25px 0;border-bottom:1px solid var(--line)}.news-item h2{margin:8px 0}.screenshot-placeholder{border:1px dashed #bac8bf;border-radius:8px;padding:14px 18px;color:var(--muted);font-size:13px;margin:20px 0}footer{border-top:1px solid var(--line);padding:25px 5%;font-size:12px;display:flex;justify-content:space-between;color:var(--muted)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;border-radius:8px;padding:10px 20px;display:none;max-width:90%;font-size:14px}.skip{position:absolute;top:-60px;background:white;padding:10px}.skip:focus{top:0}:focus-visible{outline:3px solid #d79639;outline-offset:4px}img{max-width:100%;height:auto}button:disabled{opacity:.5;cursor:default}@media(max-width:850px){header{height:auto;min-height:90px;flex-wrap:wrap;padding:18px 22px;gap:16px}nav{order:3;width:100%;gap:20px;overflow:auto}nav a{white-space:nowrap;font-size:12px}.layout{grid-template-columns:1fr;padding:24px 20px;gap:22px}aside{position:static}#step-nav{display:flex;overflow:auto;gap:4px}#step-nav a{white-space:nowrap;flex-shrink:0}aside .small,aside>a,aside hr{display:none}.grid,.summary{grid-template-columns:1fr}.flow{padding:18px 10px;font-size:12px;gap:5px}.flow small{font-size:10px}footer{display:block}footer span{display:block}h1{font-size:32px}.hero-bottom{align-items:flex-start;flex-direction:column}}@media print{header,aside,footer,.actions,.check,#toast{display:none}.layout{display:block;padding:0}body{background:white}.card{break-inside:avoid}}

@media(min-width:851px){header{padding:0 3%;gap:16px}nav{gap:18px}}
main,aside,.grid,.card,.summary{min-width:0}main{overflow-wrap:anywhere}@media(max-width:850px){.layout,.grid,.summary{grid-template-columns:minmax(0,1fr)}}

.overview-progress{background:var(--mint);border:1px solid var(--line);border-radius:12px;padding:24px}.overview-progress>span{float:right}.overview-progress progress{display:block;height:20px;margin:16px 0}.task-row{display:flex;align-items:center;gap:18px;padding:20px 12px;border-bottom:1px solid var(--line);text-decoration:none}.task-row>span:nth-child(2){flex:1}.task-row small{display:block;color:var(--muted);margin-top:6px}.task-state{min-width:55px;font-size:13px}.terms{background:#fff;border:1px solid var(--line);padding:20px;border-radius:10px}.terms dt{font-weight:700;margin-top:16px}.terms dt:first-child{margin-top:0}.terms dd{margin:5px 0 0;font-size:15px}.branch{border:1px solid var(--line);border-radius:10px;background:#fff;padding:22px;margin:24px 0;scroll-margin-top:16px}.branch h3{margin-top:0}.branch-options{display:flex;flex-wrap:wrap;gap:10px}.branch-options button{padding:12px;border:1px solid var(--green);border-radius:6px;background:white;color:var(--green)}.branch-options button[aria-pressed=true]{background:var(--green);color:white}#progress{height:14px}@media(max-width:850px){.overview-progress>span{float:none;display:block}.task-row{gap:10px}.branch-options{display:grid}.branch{padding:16px}}

.action-list{list-style:none;padding:0;margin:16px 0}.action-list>li{list-style:none;padding:0;margin:12px 0;border:1px solid var(--line);border-radius:8px;background:#fff}.action-list>li::marker{content:""}.action-list label{display:grid;grid-template-columns:24px minmax(0,1fr);align-items:start;gap:12px;padding:16px;cursor:pointer}.action-list input{position:static;width:24px;height:24px;margin:2px 0 0;accent-color:var(--green)}.action-copy{min-width:0;overflow-wrap:anywhere}.action-number{display:block;font-size:13px;line-height:1.6;color:var(--green);margin-bottom:6px;font-variant-numeric:tabular-nums}.action-list input:checked+span{color:var(--muted)}#action-count{font-weight:700}.card h2:first-child{margin-top:0}td,th{overflow-wrap:anywhere}@media(max-width:850px){aside #save-state,aside #current-position{display:block}.action-list label{padding:12px}.actions{flex-wrap:wrap}}

/* Shared narrow-screen safeguards for every route. */
.check>span,.task-row>span{min-width:0}.branch-options button{white-space:normal;overflow-wrap:anywhere}.screenshot-placeholder{margin-inline:0}.actions>a{max-width:100%}.check input{margin-left:0;margin-right:0}main{padding-bottom:env(safe-area-inset-bottom,0px)}