:root{color-scheme:light;--bg-from: #e0f2fe;--bg-to: #eef2ff;--bg-page: #f9fafb;--card-bg: #ffffff;--card-border: #e5e7eb;--card-shadow: 0 24px 60px rgba(15, 23, 42, .1);--text-main: #0f172a;--text-muted: #6b7280;--text-accent: #4f46e5;--primary: #2563eb;--primary-dark: #1d4ed8;--primary-soft: #eff6ff;--danger: #dc2626;--danger-soft: #fee2e2}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Noto Sans JP,Hiragino Sans,Yu Gothic,sans-serif;color:var(--text-main);background:radial-gradient(circle at top left,var(--bg-from),transparent 55%),radial-gradient(circle at bottom right,var(--bg-to),transparent 50%),var(--bg-page)}.page{min-height:100vh;padding:32px 16px 80px;display:flex;flex-direction:column;align-items:center}.step-indicator{width:100%;max-width:960px;margin:0 0 12px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-accent)}.box,.policy-card{width:100%;max-width:960px;margin-top:8px;background-color:var(--card-bg);border-radius:24px;border:1px solid var(--card-border);padding:28px 28px 32px;box-shadow:var(--card-shadow)}.page h1{margin:0 0 12px;font-size:28px;font-weight:700}.page h2{margin:24px 0 8px;font-size:18px;font-weight:600}.lead{margin:0 0 20px;font-size:14px;line-height:1.9;color:var(--text-muted)}.list{margin:0 0 20px 1.25rem;padding:0;font-size:14px;color:var(--text-main)}.instruction-list{margin:0 0 20px .8rem;padding:0;list-style:none}.instruction-list>li{margin:0;padding-left:1rem;position:relative;line-height:1.8}.instruction-list>li+li{margin-top:12px}.instruction-list>li:before{content:"";position:absolute;left:0;top:.9em;transform:translateY(-50%);width:.34rem;height:.34rem;border-radius:50%;background:var(--text-accent)}.instruction-list>li.no-marker:before{content:none}.sub-list{margin:8px 0 0 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12px;border-radius:12px;background-color:var(--danger-soft);color:var(--danger);font-size:13px}.info{margin-top:4px;font-size:13px;color:var(--text-muted)}.hint{margin-top:8px;font-size:13px;color:var(--text-muted)}.actions{margin-top:24px;display:flex;justify-content:flex-end;gap:12px}button{font:inherit;border-radius:999px;padding:8px 18px;border:1px solid transparent;background-color:#f3f4f6;color:var(--text-main);cursor:pointer;transition:background-color .15s ease,color .15s ease,box-shadow .15s ease,transform .05s ease}button:hover:not(:disabled){background-color:#e5e7eb}button:active:not(:disabled){transform:translateY(1px)}button.primary{background-image:linear-gradient(90deg,#4f46e5,#2563eb);color:#fff;box-shadow:0 8px 20px 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.actions .primary{width:100%;border:2px solid rgba(96,165,250,.8);border-radius:999px;background:linear-gradient(90deg,#1d4ed8,#2563eb 72%,#0ea5e9);text-shadow:0 1px 0 rgba(15,23,42,.25);box-shadow:0 0 0 3px #7dd3fc2e,0 8px 24px #3b82f673}.meeting-top .actions .primary:hover:not(:disabled){transform:translateY(-1px)}@keyframes retro-scan{0%{transform:translateY(-220%);opacity:0}20%{opacity:.8}80%{opacity:0}to{transform:translateY(220%);opacity:0}}@media(min-width:768px){.page{padding-top:40px}.box,.policy-card{padding:32px 40px 40px}.page h1{font-size:30px}.meeting-top .retro-shell{margin-top:16px;padding:28px 34px 34px}.meeting-top h1.retro-title{font-size:36px}.meeting-top .retro-lead{font-size:15px}.meeting-top .actions .primary{width:auto;min-width:240px}.meeting-top .actions{justify-content:flex-end}}@media(min-width:1024px){.meeting-top .retro-shell{width:min(860px,100%);padding:40px 48px 44px}.meeting-top .retro-title{font-size:44px}.meeting-top 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clamp(4px,1vh,10px);font-size:clamp(11px,1.3vw,13px)}.box,.policy-card{margin-top:0;max-height:calc(100dvh - clamp(56px,12vh,112px));padding:clamp(12px,2vh,24px) clamp(12px,2vw,28px);overflow:hidden}.page h1{margin:0 0 clamp(6px,1vh,12px);font-size:clamp(22px,3.4vw,30px)}.page h2{margin:clamp(12px,2vh,20px) 0 clamp(6px,1vh,8px);font-size:clamp(16px,2.1vw,18px)}.lead{margin:0 0 clamp(12px,2vh,20px);font-size:clamp(13px,1.8vw,14px);line-height:1.7}.list{margin:0 0 clamp(12px,2vh,20px) 1.1rem;font-size:clamp(13px,1.8vw,14px)}.instruction-list{margin:0 0 clamp(10px,1.8vh,16px) .4rem}.instruction-list>li{line-height:1.7}.sub-list{margin-top:6px}.sub-list li+li{margin-top:4px}.meeting-instruction-actions{margin-top:clamp(8px,1.3vh,14px)}.meeting-instruction-page{padding-top:clamp(6px,1vh,10px);padding-bottom:clamp(6px,1vh,10px)}.meeting-instruction-page .meeting-instruction-box{max-height:calc(100dvh - clamp(44px,8vh,76px));padding:clamp(10px,1.5vh,14px) clamp(14px,2vw,20px) 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.retro-shell{margin-top:0;max-height:calc(100dvh - clamp(56px,12vh,110px))}.complete-page .box{overflow-y:auto}.meeting-device-test-page .lead{margin-bottom:clamp(6px,1vh,14px)}.device-test-box{display:flex;flex-direction:column;overflow:hidden}.device-test-body{display:flex;gap:clamp(12px,2vw,24px);min-height:0;flex:1}.device-test-video-wrapper{flex:1;min-width:0;border-radius:12px;background:#1e293b;overflow:hidden;aspect-ratio:4/3;max-height:clamp(160px,36vh,320px);align-self:flex-start}.device-test-status-panel{flex:0 0 auto;width:clamp(180px,28vw,280px);display:flex;flex-direction:column;gap:clamp(8px,1.2vh,14px);justify-content:center}.device-test-mic-meter{display:flex;align-items:center;gap:8px}.device-test-mic-label{font-size:clamp(12px,1.4vw,14px);font-weight:600;min-width:40px}.device-test-mic-bar-bg{flex:1;height:8px;border-radius:4px;background:#e2e8f0;overflow:hidden}.device-test-mic-bar-fill{height:100%;background:linear-gradient(90deg,#22c55e,#16a34a);border-radius:4px;transition:width .1s ease}.device-row{display:flex;align-items:center;gap:8px;font-weight:700;font-size:clamp(13px,1.5vw,15px)}.device-row-icon{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:14px;flex-shrink:0;transition:background .3s,color .3s}.device-test-msg{font-size:clamp(12px,1.4vw,14px);font-weight:600;margin:0}.device-test-msg.ok{color:#16a34a}.device-test-msg.checking{color:#475467}.meeting-device-test-page .actions{margin-top:clamp(8px,1.2vh,16px);flex-shrink:0}@media(max-width:599px){.device-test-body{flex-direction:column;align-items:center}.device-test-video-wrapper{width:100%;max-width:320px;max-height:clamp(120px,28vh,200px)}.device-test-status-panel{width:100%}}@media(min-width:768px){.page{padding-top:clamp(10px,1.8vh,18px)}.box,.policy-card{padding:clamp(14px,2.4vh,28px) clamp(16px,2.5vw,36px)}.meeting-top .retro-shell{padding:clamp(16px,2.6vh,28px) clamp(18px,3vw,34px)}}