:root{color-scheme:dark;--bg:#091525;--panel:#102238;--line:#42617e;--gold:#ebc575;--text:#f5f1e7;--muted:#acc6d9;font-family:Arial,'Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;color:var(--text);background:var(--bg)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 85% 0%,#18384e80,transparent 65%),linear-gradient(150deg,#101e33,#07111f)}
body:before{content:'';position:fixed;inset:14px;border:1px solid #d1b47426;pointer-events:none;z-index:-0}button,a,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:var(--gold)}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #fff0b7;outline-offset:5px}button:disabled{opacity:.45;cursor:default}.guide-shell{max-width:1400px;margin:auto;padding:22px 46px 26px;position:relative}.guide-header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #b897504d;padding-bottom:16px;gap:16px}.brand{width:196px;height:65px;object-fit:contain}.progress{color:var(--muted);font-size:14px;letter-spacing:.06em}.progress b{color:var(--gold);font-weight:normal}.header-actions{display:flex;align-items:center;gap:18px}.text-button{border:0;background:none;color:var(--muted);padding:10px 4px;min-height:44px}.intro{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;align-items:center;margin:25px 0 23px}.eyebrow{color:var(--gold);font-size:12px;letter-spacing:.14em;margin:0 0 10px}.intro h1,.step-heading{font-size:clamp(26px,3.1vw,42px);line-height:1.35;margin:0 0 15px;font-weight:750;letter-spacing:.02em}h1:focus{outline:none}.intro p{font-size:16px;line-height:1.8;margin:7px 0}.intro .reassurance{color:var(--gold);font-size:14px}.roles{display:flex;align-items:center;justify-content:center;gap:14px}.roles figure{margin:0;text-align:center}.roles svg{width:145px;height:95px}.roles .phones svg{width:87px}.roles figcaption{color:var(--muted);font-size:13px;margin-top:5px}.roles .plus{font-size:34px;color:var(--gold);font-weight:bold}.choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.choice{position:relative;display:flex;flex-direction:column;align-items:flex-start;text-align:left;color:var(--text);border:1px solid var(--line);border-radius:14px;background:linear-gradient(140deg,#162a41c9,#0b192ccc);padding:24px 25px 20px;box-shadow:0 8px 24px #0002;min-width:0;transition:background .15s,border-color .15s}.choice:hover{background:#1a334b;border-color:var(--gold)}.choice.featured{border:2px solid var(--gold);padding:23px 24px 19px}.badge{font-size:12px;line-height:1.4;border-radius:5px;padding:5px 10px;display:inline-block;width:fit-content}.badge.recommended{background:var(--gold);color:#201b12}.badge.pending{border:1px solid var(--gold);color:var(--gold);margin-top:10px}.choice .art{width:100%;height:125px;margin:10px 0 16px}.choice h2{font-size:22px;line-height:1.5;margin:0 0 12px;letter-spacing:.02em}.choice p{color:var(--muted);line-height:1.65;font-size:14px;margin:3px 0}.choice .choice-bottom{margin-top:auto;padding-top:14px;color:var(--gold);font-size:14px;width:100%;display:flex;justify-content:space-between}.choice .empty-badge{height:27px}.note{color:var(--muted);font-size:14px;text-align:center;line-height:1.8;margin:20px 0}.footer{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid #b897504d;padding-top:16px;margin-top:20px}.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid var(--line);background:#11243a;color:var(--text);text-decoration:none;border-radius:8px;min-height:46px;padding:11px 20px;font-size:15px;line-height:1.5}.button.primary{background:linear-gradient(150deg,#f0d493,#d6ad5a);border-color:#f7dd9a;color:#241b0b;font-weight:bold}.button:hover{filter:brightness(1.13)}.role-choice{max-width:900px;margin:40px auto}.role-choice .choices{grid-template-columns:1fr 1fr}.role-change{font-size:13px}.subchoices{max-width:920px;margin:24px auto}.subchoices .choices{grid-template-columns:1fr 1fr}.subchoices .art{height:150px}.step-top{margin:25px 0 20px}.breadcrumbs{color:var(--muted);font-size:14px;line-height:1.8;margin:0 0 10px}.step-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.step-visual{margin:0;background:#10233980;border:1px solid #35536d;border-radius:14px;padding:20px;min-height:290px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}.step-visual>svg{width:100%;height:auto;max-height:300px}.step-visual img{max-width:100%;max-height:320px;object-fit:contain;border-radius:6px}.step-visual figcaption{font-size:13px;color:var(--muted);text-align:center;line-height:1.7}.step-copy p{font-size:19px;line-height:1.9;margin:0 0 14px}.step-copy .small{font-size:14px;color:var(--muted)}.step-copy strong{color:var(--gold)}.step-copy ol{padding-left:25px;line-height:1.9;font-size:18px}.step-copy li{margin-bottom:9px}.url-panel{border:1px solid #496784;border-radius:10px;padding:14px;margin:16px 0;background:#0a1728}.url-panel label{display:block;color:var(--gold);font-size:13px;margin-bottom:8px}.url-row{display:flex;gap:8px;flex-wrap:wrap}.url-row input{flex:1;min-width:180px;width:100%;border:1px solid #375570;background:#10253a;color:#fff;padding:12px 10px;border-radius:6px;font-size:15px;user-select:all}.url-row button{flex-shrink:0}.copy-status{display:block;font-size:13px;color:var(--muted);min-height:20px;margin-top:6px}.tabs{display:flex;gap:10px;margin:15px 0}.tabs button[aria-pressed=true]{border-color:var(--gold);color:var(--gold)}details{border:1px solid #3c5871;border-radius:8px;padding:12px 15px;margin-top:16px;font-size:14px;color:var(--muted)}summary{cursor:pointer;min-height:30px;line-height:1.7;color:var(--text)}details ul{line-height:1.8;padding-left:20px}kbd{display:inline-block;background:#263c51;border:1px solid #7b91a4;border-bottom-width:3px;border-radius:5px;padding:1px 8px;color:white}.step-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:25px}.nav-right{display:flex;gap:12px;align-items:center}.complete{max-width:760px;margin:35px auto;text-align:center}.complete .roles{margin:30px auto}.complete p{line-height:1.9}.complete .button{margin:10px}.ready-hint{border-left:3px solid var(--gold);padding-left:15px}.board-screen{display:block;max-width:100%}.link-row{display:flex;gap:18px;flex-wrap:wrap}.key-hint{font-size:12px;color:var(--muted)}
@media(min-width:1600px){.guide-shell{padding-top:35px}.intro{margin:40px 0}.choice{padding:30px}.choice.featured{padding:29px}.choice .art{height:160px}.choice h2{font-size:25px}.choice p{font-size:16px}}
@media(max-width:950px){.guide-shell{padding:20px 25px}.choice{padding:18px}.choice.featured{padding:17px}.choices{gap:12px}.choice h2{font-size:19px}.intro{grid-template-columns:1.4fr 1fr;gap:15px}.roles svg{width:110px}.step-layout{gap:22px}.step-copy p{font-size:17px}}
@media(max-width:700px){body:before{inset:7px}.guide-shell{padding:14px 18px 22px}.brand{width:140px;height:49px}.guide-header{gap:8px;padding-bottom:10px}.header-actions{gap:8px}.progress{font-size:11px}.text-button{font-size:12px}.intro{display:block;margin:24px 0 20px}.intro h1{font-size:29px}.intro p{font-size:15px}.intro .reassurance{font-size:13px}.roles{margin:17px auto}.roles svg{width:132px;height:85px}.roles figcaption{font-size:12px}.choices,.role-choice .choices,.subchoices .choices{grid-template-columns:1fr;gap:14px}.choice,.choice.featured{display:grid;grid-template-columns:96px 1fr;column-gap:15px;padding:18px;align-items:center}.choice .art{grid-column:1;grid-row:1/7;width:96px;height:115px;margin:0}.choice h2,.choice p,.choice .badge,.choice .choice-bottom{grid-column:2}.choice .empty-badge{display:none}.choice h2{font-size:19px;margin:5px 0 6px}.choice p{font-size:12px;margin:2px 0}.choice .choice-bottom{font-size:13px;padding-top:8px}.choice .badge{font-size:11px}.footer{flex-wrap:wrap;gap:10px}.footer>.button{width:100%;order:-1}.note{font-size:12px;margin:15px 0}.step-heading{font-size:26px}.step-top{margin-top:20px}.step-layout{grid-template-columns:1fr;gap:19px}.step-visual{min-height:180px;padding:14px}.step-visual>svg{max-height:190px}.step-visual img{max-height:210px}.step-copy p{font-size:16px}.step-copy ol{font-size:16px}.step-nav{flex-wrap:wrap}.nav-right{margin-left:auto}.step-nav .button{padding:10px 15px;font-size:14px}.breadcrumbs{font-size:12px}.role-choice{margin:25px auto}.subchoices .art{height:110px}.step-copy .small{font-size:13px}.link-row{gap:10px}.url-panel{padding:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Keep preparation and the join shortcut in reach on small screens and TVs. */
@media(min-width:701px) and (max-height:850px){.guide-shell{padding:12px 30px 18px}.guide-header{padding-bottom:8px}.brand{height:45px;width:156px}.intro{margin:18px 0;gap:20px}.intro h1{font-size:32px;margin-bottom:10px}.intro p{font-size:14px;margin:4px 0}.intro .reassurance{font-size:13px}.roles svg{height:80px}.choice{padding:17px 20px}.choice.featured{padding:16px 19px}.choice .art{height:85px;margin:7px 0 10px}.choice h2{font-size:20px;margin-bottom:7px}.choice p{font-size:13px;line-height:1.5}.choice .choice-bottom{padding-top:10px}.note{margin:12px 0;font-size:12px}.footer{margin-top:12px;padding-top:10px}.step-top{margin:15px 0}.step-heading{font-size:30px}.step-visual{min-height:240px}.step-visual img{max-height:245px}.step-copy p{font-size:17px}.step-nav{margin-top:16px}}
@media(max-width:700px){body{padding-bottom:85px}.brand{width:116px;height:44px}.header-actions{gap:7px}.progress{max-width:130px;line-height:1.6}.header-actions .text-button{white-space:nowrap}.choice,.choice.featured{grid-template-columns:76px 1fr;column-gap:12px;padding:16px}.choice .art{width:76px}.choice h2{font-size:18px}.footer>.button{position:fixed;bottom:calc(10px + env(safe-area-inset-bottom));left:18px;right:18px;width:auto;z-index:5;background:#122d44;box-shadow:0 0 0 10px #091525ee,0 -12px 25px #091525cc;font-size:13px}.roles .phones svg{width:96px}.complete .url-panel{text-align:left}}

/* Keep the skip action prominent and reachable at every guide step. */
.skip-button{min-width:132px;min-height:48px;font-size:16px;white-space:nowrap;box-shadow:0 3px 12px #0004}.header-actions{flex-shrink:0}
@media(max-width:700px){.guide-header{align-items:flex-start}.header-actions{flex-direction:column;align-items:flex-end;gap:6px}.skip-button{min-width:120px;min-height:44px;padding:9px 16px;font-size:15px}.progress{max-width:none}}

.url-example code{display:block;font-size:clamp(15px,2vw,21px);color:var(--gold);overflow-wrap:anywhere;margin:8px 0 14px}.url-example .small:last-child{margin-bottom:0}.reference-screen{display:contents}.annotated-screen{position:relative;width:100%;max-width:568px;line-height:0}.step-visual .annotated-screen img{display:block;width:100%;height:auto;max-height:none}.room-highlight{position:absolute;left:35.25%;width:29.5%;height:7.7%;border:3px solid #ff3030;box-shadow:0 0 0 1px #fff9;pointer-events:none;border-radius:2px}.normal-room{top:40.5%}.bot-room{top:48.8%}
@media(min-width:701px) and (max-height:850px){.annotated-screen{max-width:435px}}

.equipment-badges{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 10px}.badge.equipment{background:#223c53;border:1px solid #6a8499;color:#e5eef5;padding:5px 9px;font-size:12px;line-height:1.5}
@media(max-width:700px){.choice .equipment-badges{grid-column:2;gap:5px;margin-bottom:6px}.choice .badge.equipment{font-size:11px;padding:4px 7px}}

.guide-title-group{display:flex;align-items:center;gap:24px;min-width:0}.guide-title{font-size:40px;font-weight:700;line-height:1.2;letter-spacing:.08em;margin:0;white-space:nowrap}.guide-title-group .brand{width:132px;height:48px}.choice .choice-bottom{justify-content:flex-end;gap:10px;text-align:right}.skip-button{min-width:180px}
@media(max-width:700px){body{padding-bottom:0}.guide-title-group{flex-direction:column;align-items:flex-start;gap:5px}.guide-title-group .brand{width:84px;height:30px}.guide-title{font-size:29px}.skip-button{min-width:0;padding:10px 12px;font-size:13px}.header-actions{max-width:180px}.guide-header{align-items:center}.progress{font-size:10px}}

.mobile-welcome{max-width:520px;margin:20px auto 24px;text-align:center}.mobile-welcome h1{font-size:clamp(28px,7.6vw,38px);line-height:1.4;margin:0 0 15px;letter-spacing:.02em}.mobile-welcome h1 strong{color:var(--gold)}.mobile-welcome .roles{margin:12px auto}.mobile-welcome .roles svg{height:88px}.controller-message{font-size:18px;font-weight:bold;margin:15px 0 8px}.controller-message span{color:var(--gold)}.scan-instruction{margin:10px 0 22px;border:1px solid #35536d;border-radius:12px;background:#10233980;padding:12px}.scan-art{display:block;width:100%;max-height:180px}.scan-instruction figcaption{font-size:14px;line-height:1.6;margin-top:6px}.mobile-welcome>.button{width:100%;font-size:14px}.mobile-welcome+.footer{justify-content:center}.mobile-welcome+.footer .link-row{justify-content:center}
@media(max-width:350px){.mobile-welcome h1{font-size:27px}.controller-message{font-size:16px}.scan-instruction figcaption{font-size:12px}}