:root{font-family:Arial,"Malgun Gothic",sans-serif;color-scheme:light dark;--bg:#f4f7f5;--surface:#fff;--ink:#202b25;--muted:#52635a;--line:#d8e1dc;--green:#315b45;--on-green:#fff;--subtle:#eaf2ee;--amber:#805b17;--amber-bg:#fff5db;--red:#a12e36;--focus:#147bc1;font-synthesis:none}*{box-sizing:border-box;letter-spacing:0}body{margin:0;background:var(--bg);color:var(--ink);font-size:18px;line-height:1.6}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.56}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:3px}[hidden]{display:none!important}.masthead{background:var(--surface);border-bottom:1px solid var(--line)}.header-inner{max-width:720px;margin:auto;min-height:88px;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:block;width:180px;height:30px}.brand img{width:100%;height:100%;object-fit:contain}.icon-link,.icon-button{display:grid;place-items:center;flex:0 0 48px;width:48px;min-height:48px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink)}svg{width:22px;height:22px;flex-shrink:0}a{color:var(--green);text-decoration:none}main{max-width:720px;margin:auto;padding:30px 28px 36px}.page-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}.eyebrow{margin:0;color:var(--muted);font-size:13px;font-weight:700}h1{font-size:30px;line-height:1.4;margin:2px 0 0}h2{font-size:22px;line-height:1.5;margin:0}h3{font-size:20px;line-height:1.5;margin:0}.device-label{font-size:14px;color:var(--muted);text-align:right}.notice,.feedback{padding:16px;border-radius:6px;margin:0 0 24px;overflow-wrap:anywhere}.notice{display:flex;align-items:flex-start;gap:10px;background:var(--amber-bg);color:var(--amber);font-size:16px}.notice 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var(--line);text-align:center;white-space:normal;overflow-wrap:anywhere}.primary{background:var(--green);border-color:var(--green);color:var(--on-green)}.secondary{background:var(--surface);color:var(--ink)}.full{width:100%}#login-button{margin-top:24px}.text-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;color:var(--green);border:0;padding:10px 4px;min-height:48px;font-size:16px;white-space:normal}.danger{color:var(--red)}.muted{color:var(--muted);margin:6px 0;overflow-wrap:anywhere}.small{font-size:14px}.state{font-size:15px;color:var(--muted);text-align:right}.state.on{color:var(--green);font-weight:700}.device-status{display:flex;gap:16px;align-items:flex-start;margin:8px 0 24px}.status-icon{width:48px;height:48px;flex:0 0 48px;display:grid;place-items:center;background:var(--subtle);color:var(--green);border-radius:6px}.device-status p{font-size:17px}.schedule-list{padding:4px 0 14px;border-bottom:1px solid var(--line)}.schedule-list>div{display:flex;justify-content:space-between;gap:20px;padding:7px 0}.schedule-list span{color:var(--muted);font-size:16px}.schedule-list strong{font-size:17px;font-weight:600;text-align:right}.privacy-line{display:flex;gap:8px;align-items:flex-start;font-size:15px;color:var(--muted);margin:18px 0}.privacy-line svg{width:20px;height:20px;margin-top:2px}.consent{display:flex;align-items:flex-start;gap:12px;margin:24px 0 18px;font-size:16px;min-height:44px}.consent input{accent-color:var(--green);width:23px;height:23px;flex:0 0 23px;margin:2px 0 0}.action-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}#disable-button{margin-top:12px}#devices-list{margin:0;padding:0;list-style:none}#devices-list li{padding:16px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line)}#devices-list li:first-child{border-top:0}#devices-list strong{display:block;font-size:18px}#devices-list 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