:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--canvas:#f5f8fb;--paper:#fff;--ink:#101820;--ink-subtle:#53616d;--ink-muted:#7c8791;--line:#d4dee7;--line-faint:#e3eaf1;--blue:#1677ff;--blue-pressed:#0f5ec9;--blue-wash:#eaf2ff;--blue-line:#b9d4ff;--blue-ink:#0b3e8f;--channel:#1677ff;--channel-dark:var(--blue-pressed);--channel-soft:var(--blue-wash);--live:#d23737;--danger:#d23737;--success:#128f50;--r-control:8px;--r-panel:16px;--r-round:999px;--fs-micro:.6875rem;--fs-caption:.8125rem;--fs-body:1rem;--fs-emphasis:1.25rem;--fs-title:1.5625rem;--fs-display-2:1.9375rem;--ease-arrive:cubic-bezier(.22, 1, .36, 1);--t-fast:.17s;--t-state:.42s;--t-travel:.96s;--font-body:system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Noto Sans CJK JP", sans-serif;--font-utility:"SFMono-Regular", "Roboto Mono", "Noto Sans Mono", monospace;background:var(--canvas);color:var(--ink);font-family:var(--font-body)}*{box-sizing:border-box}html{background:var(--canvas);min-width:320px}body{background:var(--canvas);min-width:320px;min-height:100vh;color:var(--ink);margin:0;overflow-x:hidden}button,input{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed;opacity:.58}button:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:3px}svg{fill:none;stroke:currentColor;stroke-linecap:square;stroke-linejoin:miter;stroke-width:1.8px;width:1.1em;height:1.1em}.participant-page{background:var(--canvas);min-height:100dvh}.receiver-shell{width:min(100%,480px);min-height:100dvh;padding:calc(18px + env(safe-area-inset-top)) 20px calc(16px + env(safe-area-inset-bottom));flex-direction:column;margin:0 auto;display:flex}.listener-main{align-content:start;gap:18px;min-width:0;display:grid}.listener-main--ready{gap:19px;margin-top:clamp(30px,6dvh,64px)}.listener-main--live{flex:1;align-content:start;gap:16px;padding-bottom:18px}.listener-main--audio-check,.listener-main--connecting{min-height:calc(100dvh - 72px - env(safe-area-inset-top) - env(safe-area-inset-bottom));align-content:start;gap:14px;padding-top:clamp(18px,4.2dvh,42px)}.listener-main--manual,.listener-main--error,.listener-main--translation-failed,.listener-main--ended{align-content:center}.listener-footer{margin-top:18px;padding-top:18px}.listener-footer--sticky{border-top:1px solid var(--line);background:color-mix(in srgb, var(--canvas) 92%, white);padding:14px 20px calc(12px + env(safe-area-inset-bottom));margin-top:auto;margin-left:-20px;margin-right:-20px;position:sticky;bottom:0}.broadcast-header{min-height:28px;color:var(--ink);font-size:var(--fs-body);justify-content:space-between;align-items:center;gap:12px;font-weight:600;line-height:1.25;display:flex}.broadcast-brand{min-width:0;color:var(--ink);white-space:nowrap;align-items:center;display:inline-flex}.broadcast-brand img{aspect-ratio:1388/285;object-fit:contain;flex:none;width:clamp(146px,39vw,164px);height:auto}.broadcast-meta{justify-content:flex-end;align-items:center;gap:9px;min-width:0;display:inline-flex}.broadcast-live{font-variant-numeric:tabular-nums;white-space:nowrap;flex:none;grid-template-columns:auto auto;align-items:center;gap:7px;display:inline-grid}.live-lamp{background:var(--live);border-radius:50%;width:9px;height:9px}.receiver-shell[data-state=firstTranslation] .live-lamp{animation:live-arrival var(--t-state) ease-out 1}.broadcast-title{min-width:0;max-width:min(30vw,9rem);color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}@media (width<=420px){.broadcast-header{gap:8px}.broadcast-meta{gap:7px}}@media (width<=380px){.receiver-shell{padding-left:18px;padding-right:18px}.listener-main--ready{margin-top:clamp(24px,5dvh,50px)}.language-route__path{grid-template-columns:minmax(58px,auto) minmax(0,1fr) minmax(64px,auto);gap:8px}.language-route__endpoint span{font-size:var(--fs-caption)}}.event-identity{gap:8px;display:grid}.event-identity h1{max-width:13em;color:var(--ink);letter-spacing:0;margin:0;font-size:clamp(1.78rem,7.2vw,2.12rem);font-weight:800;line-height:1.14}.language-route{-webkit-user-select:none;user-select:none;gap:9px;display:grid}.language-route__path{grid-template-columns:minmax(70px,auto) minmax(0,1fr) minmax(74px,auto);align-items:center;gap:11px;display:grid}.language-route__endpoint{min-width:0;color:var(--ink);gap:2px;line-height:1.2;display:grid}.language-route__endpoint strong{font-family:var(--font-utility);font-size:var(--fs-caption);font-variant-numeric:tabular-nums;letter-spacing:.06em;font-weight:600}.language-route__endpoint span{color:var(--ink-subtle);font-size:var(--fs-caption);text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.language-route__endpoint--target{text-align:right}.language-route__track{pointer-events:none;align-items:center;min-width:0;height:34px;display:grid;position:relative}.language-route__line{border-radius:var(--r-round);background:color-mix(in srgb, var(--line) 82%, var(--channel));height:2.5px;position:absolute;left:0;right:8px}.language-route__line:after{border-top:2px solid var(--line);border-right:2px solid var(--line);content:"";width:9px;height:9px;position:absolute;top:50%;right:-1px;transform:translateY(-50%)rotate(45deg)}.language-route__signal{background:var(--channel);opacity:0;border-radius:50%;width:8px;height:8px;position:absolute;left:0}.language-route--connecting .language-route__signal{animation:route-signal-progress var(--t-travel) var(--ease-arrive) infinite}.language-route--arrived .language-route__endpoint--target{animation:.36s ease-out route-target-arrival}.language-route__wave{z-index:1;background:var(--canvas);justify-content:center;align-items:center;gap:4px;padding:0 10px;display:none;position:relative}.language-route__wave i{background:var(--channel);width:4px;height:9px;display:block}.language-route--active .language-route__line{background:color-mix(in srgb, var(--channel) 38%, var(--line))}.language-route--active .language-route__line:after{border-color:color-mix(in srgb, var(--channel) 42%, var(--line))}.language-route--active 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.1s;display:grid}.primary-listen-action:active{background:var(--blue-pressed);transform:scale(.99)}.primary-listen-action__icon{border-radius:var(--r-control);background:#ffffff1a;place-items:center;width:32px;height:32px;display:grid}.primary-listen-action__icon svg,.primary-listen-action__arrow{width:21px;height:21px}.language-setting-row{border:1px solid var(--line-faint);border-radius:var(--r-control);background:var(--paper);width:100%;min-height:60px;color:var(--ink);text-align:left;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:0 12px;transition:background-color .18s,border-color .18s,transform .1s;display:grid}.language-setting-row:active{transform:translateY(1px)}.setting-icon{width:34px;height:34px;color:var(--ink-muted);place-items:center;display:grid}.setting-icon svg{width:21px;height:21px}.setting-copy{min-width:0;color:var(--ink);gap:3px;display:grid}.setting-copy__title{font-size:var(--fs-body);font-weight:600;line-height:1.24}.setting-copy__detail{color:var(--ink-subtle);font-size:var(--fs-caption);font-weight:600;line-height:1.22}.setting-chevron{width:19px;height:19px;color:var(--ink-subtle)}.receiver-notes{color:var(--ink-subtle);font-size:var(--fs-caption);flex-wrap:wrap;gap:8px;margin:-2px 0 0;font-weight:600;line-height:1.7;display:flex}.receiver-notes span{border:1px solid var(--line-faint);border-radius:var(--r-round);background:var(--paper);align-items:center;gap:7px;min-height:28px;padding:4px 10px;display:inline-flex}.receiver-notes span:before{background:var(--channel);content:"";opacity:.44;border-radius:50%;flex:none;width:6px;height:6px;display:block}.receiver-notes span+span:before{background:var(--ink-muted)}.participant-consent{border:1px solid 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.1s}.audio-check-primary{background:var(--blue);min-height:58px;color:var(--paper);text-align:center;border:0;grid-template-columns:32px minmax(0,1fr) 32px;align-items:center;gap:12px;padding:0 16px;font-size:clamp(1rem,4.5vw,1.16rem);line-height:1.25;display:grid}.audio-check-primary:after{content:"";width:32px;height:32px;display:block}.audio-check-primary:disabled{cursor:progress;opacity:.78;transform:none}.audio-check-primary__icon{border-radius:var(--r-control);background:#ffffff17;justify-self:start;place-items:center;width:32px;height:32px;display:grid}.audio-check-primary>span:not(.audio-check-primary__icon){text-align:center;word-break:keep-all;justify-self:center;min-width:0}.audio-check-secondary{border:1.5px solid var(--channel);background:var(--paper);min-height:58px;color:var(--channel);padding:0 16px;font-weight:600}.audio-check-tertiary{min-height:56px;color:var(--ink-subtle);background:0 0;border:0;padding:0 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audio-earbud-right-idle}.audio-connection-hero--confirmed .audio-connection-hero__image--earbud-left{animation:.78s cubic-bezier(.22,1,.36,1) forwards audio-earbud-left-confirm}.audio-connection-hero--confirmed .audio-connection-hero__image--earbud-right{animation:.78s cubic-bezier(.22,1,.36,1) forwards audio-earbud-right-confirm}.audio-connection-hero__ripple{z-index:2;aspect-ratio:1;opacity:0;border:1px solid #1677ff1f;border-radius:50%;width:34%;position:absolute}.audio-connection-hero__earbud-ripple{z-index:2;aspect-ratio:2.4;opacity:0;border:1px solid #1677ff1c;border-radius:50%;width:23%;position:absolute;bottom:12%}.audio-connection-hero__earbud-ripple--left{left:9%}.audio-connection-hero__earbud-ripple--right{right:9%}.audio-connection-hero--idle .audio-connection-hero__earbud-ripple{animation:2.6s ease-in-out infinite alternate audio-earbud-ripple}.audio-connection-hero--confirmed .audio-connection-hero__ripple{animation:.78s cubic-bezier(.22,1,.36,1) audio-confirm-ripple}.audio-connection-hero__dot{z-index:5;opacity:0;will-change:transform, opacity;background:#1677ff47;border-radius:50%;width:7px;height:7px;position:absolute}.audio-connection-hero__dot--one{top:49%;left:31%}.audio-connection-hero__dot--two{top:49%;left:38%}.audio-connection-hero__dot--three{top:49%;right:31%}.audio-connection-hero__dot--four{top:49%;right:38%}.audio-connection-hero--idle .audio-connection-hero__dot{opacity:.08}.audio-connection-hero__idle-wave,.audio-connection-hero__wave{z-index:6;opacity:0;justify-content:center;align-items:center;gap:3px;width:17%;height:12%;display:flex;position:absolute;top:45%;left:50%;transform:translate(-50%,-50%)}.audio-connection-hero__idle-wave span,.audio-connection-hero__wave span{border-radius:var(--r-round);transform-origin:50%;background:#1677ffc7;width:3px;height:22%;display:block}.audio-connection-hero__idle-wave{opacity:0}.audio-connection-hero--idle .audio-connection-hero__idle-wave,.audio-connection-hero--starting .audio-connection-hero__idle-wave,.audio-connection-hero--error .audio-connection-hero__idle-wave{opacity:.2}.audio-connection-hero__idle-wave span:first-child,.audio-connection-hero__idle-wave span:nth-child(5){transform:scaleY(.5)}.audio-connection-hero__idle-wave span:nth-child(2),.audio-connection-hero__idle-wave span:nth-child(4){transform:scaleY(.78)}.audio-connection-hero__idle-wave span:nth-child(3){transform:scaleY(1.05)}.audio-connection-hero--playing .audio-connection-hero__wave{opacity:1}.audio-connection-hero--playing .audio-connection-hero__wave span{animation:.76s ease-in-out infinite audio-test-wave}.audio-connection-hero--playing .audio-connection-hero__wave span:nth-child(2){animation-delay:90ms}.audio-connection-hero--playing .audio-connection-hero__wave span:nth-child(3){animation-delay:.18s}.audio-connection-hero--playing .audio-connection-hero__wave span:nth-child(4){animation-delay:.27s}.audio-connection-hero--playing .audio-connection-hero__wave span:nth-child(5){animation-delay:.36s}html[data-tab-visibility=hidden] .audio-connection-hero--idle .audio-connection-hero__image--earbud-left,html[data-tab-visibility=hidden] .audio-connection-hero--idle .audio-connection-hero__image--earbud-right,html[data-tab-visibility=hidden] .audio-connection-hero--idle .audio-connection-hero__earbud-ripple,html[data-tab-visibility=hidden] .audio-connection-hero--idle .audio-connection-hero__dot,html[data-tab-visibility=hidden] .audio-connection-hero--playing .audio-connection-hero__wave span{animation-play-state:paused}.audio-connection-hero__check{z-index:7;background:var(--success);width:74px;height:74px;color:var(--paper);opacity:0;animation:audio-connection-check var(--t-state) var(--ease-arrive) 1 forwards;border-radius:50%;place-items:center;display:grid;position:absolute}.audio-connection-hero__check svg{stroke-width:2.6px;width:38px;height:38px}.audio-checkpoints{border-left:3px solid var(--line);gap:12px;padding-left:12px;display:grid}.audio-checkpoints h2{color:var(--ink);font-size:var(--fs-caption);margin:0;font-weight:600;line-height:1.35}.audio-checkpoints ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.audio-checkpoints li{color:var(--ink-subtle);font-size:var(--fs-caption);grid-template-columns:22px minmax(0,1fr);align-items:center;gap:9px;font-weight:600;line-height:1.7;display:grid}.audio-checkpoints li>span:first-child{width:22px;height:22px;color:var(--channel);place-items:center;display:grid}.audio-checkpoints svg{width:16px;height:16px}.audio-test-player{border:1px solid var(--line);border-radius:var(--r-control);background:var(--paper);padding:12px}.audio-check-question{text-align:center;gap:12px}.audio-check-question h2{font-size:var(--fs-body)}.audio-check-answer-grid{gap:10px}.audio-check--confirmed{align-content:start;padding-top:clamp(26px,6dvh,54px)}.audio-output-card{border:1px solid var(--line-faint);border-radius:var(--r-control);background:var(--paper);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;min-height:70px;padding:12px 14px;display:grid}.audio-output-card__icon{width:36px;height:36px;color:var(--ink-subtle);place-items:center;display:grid}.audio-output-card__icon svg{width:26px;height:26px}.audio-output-card small,.audio-output-card strong{display:block}.audio-output-card small{color:var(--ink-subtle);font-size:var(--fs-micro);font-weight:600;line-height:1.25}.audio-output-card strong{color:var(--ink);font-size:var(--fs-body);font-weight:600;line-height:1.35}.audio-output-card__check{background:var(--success);color:#fff;border-radius:50%;place-items:center;width:22px;height:22px;display:grid}.audio-output-card__check 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