:root{--tr-primary:#46757e;--tr-primary-dark:#315961;--tr-primary-deep:#23434a;--tr-primary-light:#e6eff0;--tr-primary-soft:#f2f7f7;--tr-text:#243337;--tr-text-muted:#6b7b7f;--tr-border:#d5e0e2;--tr-border-light:#e8eff0;--tr-surface:#fff;--tr-background:#f5f8f8;--tr-danger:#a94b4b;--tr-danger-soft:#fff1f1;--tr-success:#3f7460;--tr-success-soft:#edf7f2;--tr-shadow:0 16px 44px rgba(49,89,97,.12);--tr-shadow-small:0 6px 18px rgba(49,89,97,.10);--tr-radius-xl:22px;--tr-radius-lg:16px;--tr-radius-md:12px;--tr-radius-sm:8px}#talk-roulette-app,#talk-roulette-app *{box-sizing:border-box}#talk-roulette-app button,#talk-roulette-app input{font:inherit}#talk-roulette-app button{-webkit-tap-highlight-color:transparent}#talk-roulette-app .hidden{display:none!important}.roulette-container{width:min(calc(100% - 32px),760px);margin:24px auto;padding:34px;color:var(--tr-text);background:var(--tr-surface);border:1px solid var(--tr-border-light);border-radius:var(--tr-radius-xl);box-shadow:var(--tr-shadow);font-family:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif}.roulette-heading{margin-bottom:28px}.roulette-eyebrow{margin:0 0 7px;color:var(--tr-primary);font-size:11px;font-weight:800;letter-spacing:.16em}.roulette-title{margin:0;color:var(--tr-primary-deep);font-size:clamp(24px,4vw,32px);font-weight:750;line-height:1.3;letter-spacing:.01em}.roulette-description{margin:9px 0 0;color:var(--tr-text-muted);font-size:14px;line-height:1.7}.room-entry-section,.room-panel{padding:24px;background:var(--tr-primary-soft);border:1px solid var(--tr-border);border-radius:var(--tr-radius-lg)}.panel-title{margin:0 0 18px;color:var(--tr-primary-deep);font-size:17px;font-weight:750}.usage-guide{margin-bottom:22px;padding:18px;background:var(--tr-surface);border:1px solid var(--tr-border);border-radius:var(--tr-radius-md);box-shadow:0 4px 14px rgba(49,89,97,.06)}.usage-guide-heading{display:flex;align-items:center;gap:9px;margin-bottom:15px}.usage-guide-icon{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;width:25px;height:25px;color:#fff;background:var(--tr-primary);border-radius:50%;font-size:13px;font-weight:800}.usage-guide-title{margin:0;color:var(--tr-primary-deep);font-size:15px;font-weight:750}.usage-guide-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.usage-guide-item{display:grid;grid-template-columns:30px minmax(0,1fr);align-items:flex-start;gap:11px}.usage-guide-number{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;color:var(--tr-primary-dark);background:var(--tr-primary-light);border-radius:50%;font-size:13px;font-weight:800}.usage-guide-content{display:grid;gap:3px;min-width:0}.usage-guide-content strong{color:var(--tr-text);font-size:14px;font-weight:750;line-height:1.5}.usage-guide-content span{color:var(--tr-text-muted);font-size:12px;line-height:1.65}.create-room-btn,.join-room-btn,.start-btn{display:inline-flex;align-items:center;justify-content:center;color:#fff;background:var(--tr-primary);border:0;cursor:pointer;transition:transform .2s ease , background-color .2s ease , box-shadow .2s ease , opacity .2s ease}.create-room-btn{width:100%;min-height:48px;padding:12px 20px;border-radius:var(--tr-radius-md);box-shadow:var(--tr-shadow-small);font-size:15px;font-weight:750}.create-room-btn:hover,.join-room-btn:hover,.start-btn:hover{background:var(--tr-primary-dark);transform:translateY(-1px)}.create-room-btn:active,.join-room-btn:active,.start-btn:active{transform:translateY(0)}.create-room-btn:disabled,.join-room-btn:disabled,.start-btn:disabled,.clear-history-btn:disabled{cursor:not-allowed;opacity:.58;transform:none}.entry-divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--tr-text-muted);font-size:12px}.entry-divider::before,.entry-divider::after{content:"";flex:1;height:1px;background:var(--tr-border)}.entry-form{display:grid;grid-template-columns:.8fr 1.2fr auto;align-items:end;gap:12px}.form-field{display:grid;gap:7px;min-width:0}.form-label,.section-label,.room-meta-label{color:var(--tr-text-muted);font-size:12px;font-weight:750;letter-spacing:.035em}.form-input{width:100%;min-width:0;min-height:44px;padding:10px 13px;color:var(--tr-text);background:var(--tr-surface);border:1px solid var(--tr-border);border-radius:var(--tr-radius-sm);outline:0;transition:border-color .2s ease , box-shadow .2s ease}.form-input::placeholder{color:#a2afb2}.form-input:focus{border-color:var(--tr-primary);box-shadow:0 0 0 3px rgba(70,117,126,.14)}.room-code-input{text-transform:uppercase;font-weight:800;letter-spacing:.12em}.join-room-btn{min-height:44px;padding:10px 17px;border-radius:var(--tr-radius-sm);font-size:14px;font-weight:750;white-space:nowrap}.status-message{min-height:1.5em;margin:12px 0 0;padding:0;font-size:13px;line-height:1.5}.status-message:empty{min-height:0;margin-top:0}.status-message.is-error{color:var(--tr-danger)}.status-message.is-success{color:var(--tr-success)}.status-message.is-info{color:var(--tr-primary-dark)}.room-panel{margin-bottom:26px}.room-panel-top,.members-heading,.room-code-row,.history-header{display:flex;align-items:center}.room-panel-top,.history-header{justify-content:space-between;gap:14px}.room-code-row{gap:9px;margin-top:3px}.current-room-code{color:var(--tr-primary-deep);font-size:23px;font-weight:800;letter-spacing:.14em;overflow-wrap:anywhere}.icon-text-btn,.leave-room-btn,.clear-history-btn{min-height:32px;padding:6px 11px;color:var(--tr-primary-dark);background:var(--tr-surface);border:1px solid var(--tr-border);border-radius:999px;cursor:pointer;font-size:12px;font-weight:700;white-space:nowrap;transition:background-color .2s ease , border-color .2s ease , color .2s ease}.icon-text-btn:hover,.clear-history-btn:hover{background:var(--tr-primary-light);border-color:var(--tr-primary)}.leave-room-btn{color:var(--tr-danger)}.leave-room-btn:hover{background:var(--tr-danger-soft);border-color:#e5bfbf}.members-area{margin-top:20px;padding-top:18px;border-top:1px solid var(--tr-border)}.members-heading{justify-content:space-between;gap:10px;margin-bottom:10px}.member-count{flex-shrink:0;color:var(--tr-primary-dark);font-size:12px;font-weight:750}.member-list{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.member-item{display:inline-flex;align-items:center;gap:7px;max-width:100%;min-height:36px;padding:5px 10px 5px 6px;color:var(--tr-text);background:var(--tr-surface);border:1px solid var(--tr-border-light);border-radius:999px;font-size:13px}.member-avatar{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;width:25px;height:25px;color:#fff;background:var(--tr-primary);border-radius:50%;font-size:11px;font-weight:800}.member-name{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-me-badge{flex-shrink:0;padding:2px 6px;color:var(--tr-primary-dark);background:var(--tr-primary-light);border-radius:999px;font-size:10px;font-weight:750}.roulette-main{padding-top:2px}.category-section{margin-bottom:22px}.section-label{margin:0 0 11px}.category-buttons{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px}.category-btn{min-width:0;min-height:42px;padding:9px 11px;color:var(--tr-text);background:var(--tr-surface);border:1px solid var(--tr-border);border-radius:999px;cursor:pointer;font-size:13px;font-weight:750;line-height:1.2;overflow-wrap:anywhere;transition:color .2s ease , background-color .2s ease , border-color .2s ease , transform .2s ease , box-shadow .2s ease}.category-btn:hover{color:var(--tr-primary-dark);background:var(--tr-primary-soft);border-color:var(--tr-primary);transform:translateY(-1px)}.category-btn:active{transform:translateY(0)}.category-btn.active{color:#fff;background:var(--tr-primary);border-color:var(--tr-primary);box-shadow:0 5px 14px rgba(70,117,126,.23)}.display-area{margin-bottom:15px}.display-window{position:relative;display:flex;align-items:center;justify-content:center;min-height:190px;padding:28px;overflow:hidden;background:
        linear-gradient(
            145deg,
            rgba(70, 117, 126, 0.10),
            rgba(255, 255, 255, 0.95)
        );border:1px solid var(--tr-border);border-radius:var(--tr-radius-lg)}.display-window::before{content:"";position:absolute;top:-80px;right:-55px;width:150px;height:150px;border:35px solid rgba(70,117,126,.06);border-radius:50%;pointer-events:none}.roulette-text{position:relative;z-index:1;width:100%;color:var(--tr-primary-deep);font-size:clamp(18px,3vw,24px);font-weight:750;line-height:1.65;text-align:center;overflow-wrap:anywhere}.roulette-text.blur-move{animation:slotScroll .09s linear infinite}@keyframes slotScroll {
    0% {
        transform: translateY(-38px);
        opacity: 0.25;
        filter: blur(1.4px);
    }

    50% {
        opacity: 0.8;
    }

    100% {
        transform: translateY(38px);
        opacity: 0.25;
        filter: blur(1.4px);
    }
}.speaker-result{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px;min-height:64px;margin-bottom:20px;padding:12px 16px;background:var(--tr-background);border:1px solid var(--tr-border-light);border-radius:var(--tr-radius-md);transition:background-color .25s ease , border-color .25s ease , transform .25s ease}.speaker-result.is-decided{background:var(--tr-primary-light);border-color:#bfd1d4;transform:translateY(-1px)}.speaker-label{color:var(--tr-text-muted);font-size:12px;font-weight:750}.speaker-name{min-width:0;color:var(--tr-primary-deep);font-size:clamp(17px,3vw,22px);font-weight:800;text-align:right;overflow-wrap:anywhere}.action-section{margin-bottom:24px;text-align:center}.start-btn{width:min(100%,290px);min-height:50px;padding:13px 25px;border-radius:999px;box-shadow:0 8px 22px rgba(70,117,126,.25);font-size:16px;font-weight:800;letter-spacing:.09em}.roulette-divider{margin:26px 0 17px;border:0;border-top:1px solid var(--tr-border-light)}.toggle-history-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 0;color:var(--tr-primary-dark);background:transparent;border:0;cursor:pointer;font-size:14px;font-weight:750}.toggle-history-btn .arrow{display:inline-block;font-size:9px;transition:transform .2s ease}.toggle-history-btn.collapsed .arrow{transform:rotate(180deg)}.history-list{max-height:260px;margin:11px 0 0;padding:7px;overflow-y:auto;background:var(--tr-background);border:1px solid var(--tr-border-light);border-radius:var(--tr-radius-md);list-style:none;scrollbar-color:var(--tr-border) transparent;scrollbar-width:thin}.history-item{display:grid;gap:5px;padding:11px 13px;color:var(--tr-text-muted);background:var(--tr-surface);border-bottom:1px solid var(--tr-border-light);font-size:13px;line-height:1.55;overflow-wrap:anywhere}.history-item:first-child{border-radius:var(--tr-radius-sm) var(--tr-radius-sm) 0 0}.history-item:last-child{border-bottom:0;border-radius:0 0 var(--tr-radius-sm) var(--tr-radius-sm)}.history-item:only-child{border-radius:var(--tr-radius-sm)}.history-theme{color:var(--tr-text);font-weight:650}.history-speaker{color:var(--tr-primary-dark);font-size:12px;font-weight:700}.history-empty{color:#93a1a4;text-align:center}.create-room-btn:focus-visible,.join-room-btn:focus-visible,.form-input:focus-visible,.icon-text-btn:focus-visible,.leave-room-btn:focus-visible,.category-btn:focus-visible,.start-btn:focus-visible,.toggle-history-btn:focus-visible,.clear-history-btn:focus-visible{outline:3px solid rgba(70,117,126,.20);outline-offset:3px}@media (max-width:760px){.roulette-container{width:calc(100% - 32px);margin:16px auto;padding:26px}.entry-form{grid-template-columns:1fr 1fr}.join-room-btn{grid-column: 1 / -1;width:100%}.category-buttons{grid-template-columns:repeat(2,minmax(0,1fr))}.category-btn[data-category="random"]{grid-column: 1 / -1}}@media (max-width:480px){.usage-guide{margin-bottom:18px;padding:15px}.usage-guide-item{grid-template-columns:27px minmax(0,1fr);gap:9px}.usage-guide-number{width:27px;height:27px;font-size:12px}.usage-guide-content strong{font-size:13px}.usage-guide-content span{font-size:11px}.roulette-container{width:calc(100% - 16px);margin:8px auto;padding:20px 15px;border-radius:16px}.roulette-heading{margin-bottom:22px}.roulette-title{font-size:24px}.roulette-description{font-size:13px}.room-entry-section,.room-panel{padding:18px}.panel-title{margin-bottom:15px;font-size:16px}.entry-form{grid-template-columns:1fr}.join-room-btn{grid-column:auto;width:100%}.room-panel-top{align-items:flex-start;flex-wrap:wrap}.room-code-row{flex-wrap:wrap}.current-room-code{font-size:20px}.members-heading{align-items:flex-start}.member-name{max-width:120px}.category-buttons{gap:8px}.category-btn{min-height:42px;padding:9px 8px;font-size:12px}.display-window{min-height:170px;padding:22px 16px;border-radius:14px}.roulette-text{font-size:18px}.speaker-result{grid-template-columns:1fr;gap:5px;padding:12px 14px}.speaker-name{font-size:18px;text-align:left}.start-btn{width:100%}.history-header{align-items:flex-start;flex-wrap:wrap}}@media (max-width:360px){.roulette-container{width:calc(100% - 12px);margin:6px auto;padding:18px 12px}.room-entry-section,.room-panel{padding:15px}.category-buttons{grid-template-columns:1fr}.category-btn[data-category="random"]{grid-column:auto}.member-item{width:100%}.member-name{max-width:none;flex:1}.icon-text-btn,.leave-room-btn,.clear-history-btn{padding:6px 9px;font-size:11px}}@media (prefers-reduced-motion:reduce){#talk-roulette-app *,#talk-roulette-app *::before,#talk-roulette-app *::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}