:root{--fg: #f2f6ff;--accent: #6fd3ff;--accent-deep: #1a7fb5;--panel: rgba(10, 24, 38, .82);--danger: #ffb3b3;font-family:Hiragino Sans,Yu Gothic UI,Noto Sans JP,sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;background:#000;color:var(--fg);overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:manipulation;overscroll-behavior:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}input,textarea{user-select:text;-webkit-user-select:text}#stage{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;transition:transform .45s cubic-bezier(.22,1,.36,1),border-radius .45s}#board-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:110;background:#0c1220;display:none;align-items:center;justify-content:center}body.board-active #board-overlay{display:flex}#board-video{width:100%;height:100%;object-fit:contain}body.board-active #stage{transform-origin:50% 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span{color:#16213a;font-size:11.5px;font-weight:700}#page-invite{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;display:none;background:#060a12e0;align-items:center;justify-content:center}#page-invite.show{display:flex}.page-invite-inner{background:#121c2e;border:1px solid rgba(90,209,255,.4);border-radius:18px;padding:36px 44px;text-align:center;display:flex;flex-direction:column;gap:12px;box-shadow:0 20px 60px #00000080}.page-invite-title{font-size:26px;font-weight:800}.page-invite-sub{color:#9db0c8;font-size:15px}.page-invite-actions{display:flex;gap:14px;justify-content:center;margin-top:10px}#lang-pills{display:flex;gap:8px;margin-top:22px;flex-wrap:wrap;justify-content:center}#lang-pills button{background:#ffffff1a;color:#cfe0f2;border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:8px 18px;font-size:14px;font-family:inherit;cursor:pointer}#lang-pills 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input,body:has(.answer-image.show,.answer-media.show) .text-form input{width:calc(90vw - 134px)}.answer-image,.answer-media{width:90vw;right:5vw}.answer-image img{max-height:34vh}#answer-map img{max-height:30vh}}#device-setup{position:fixed;top:0;right:0;bottom:0;left:0;z-index:150;display:none;align-items:center;justify-content:center;background:#060c16f0}#device-setup.show{display:flex}#device-setup .ds-inner{width:min(760px,90vw);display:grid;gap:22px}#device-setup .ds-title{font-size:40px;font-weight:700;letter-spacing:.06em}#device-setup .ds-sub{font-size:20px;opacity:.8;margin-top:-10px}#device-setup .ds-list{list-style:none;display:grid;gap:12px}#device-setup .ds-list li{display:grid;grid-template-columns:40px 1fr;column-gap:14px;align-items:center;padding:16px 20px;border:1px solid rgba(255,255,255,.18);border-radius:14px;font-size:22px}#device-setup .ds-note{grid-column:2;font-size:16px;opacity:.8;line-height:1.6}#device-setup .ds-note:empty{display:none}#device-setup .ds-mark{width:30px;height:30px;border-radius:50%;border:2px solid rgba(255,255,255,.35);grid-row:span 2}#device-setup li.run .ds-mark{border-color:var(--accent);border-top-color:transparent;animation:ds-spin .9s linear infinite}#device-setup li.ok{border-color:#78dca099}#device-setup li.ok .ds-mark{border:none;background:#58d18f}#device-setup li.ok .ds-mark:after{content:"✓";display:grid;place-items:center;height:100%;color:#06231a;font-weight:800}#device-setup li.ng{border-color:#ffb478b3}#device-setup li.ng .ds-mark{border:none;background:#ffb070}#device-setup li.ng .ds-mark:after{content:"!";display:grid;place-items:center;height:100%;color:#2b1300;font-weight:800}#device-setup .ds-ask{display:flex;gap:16px;align-items:center;font-size:22px;flex-wrap:wrap}#device-setup .ds-ask[hidden]{display:none}#device-setup .ds-ask .big-btn{min-width:0;padding:14px 30px;font-size:22px}#device-setup .ds-actions{display:flex;gap:16px}#device-setup .ds-actions [hidden]{display:none}@keyframes ds-spin{to{transform:rotate(360deg)}}