:root{--bg-app: #f1f5f9;--bg-card: #ffffff;--bg-card-hover: #f8fafc;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent-primary: #3b82f6;--accent-secondary: #ec4899;--accent-blue: #0ea5e9;--accent-red: #f43f5e;--accent-green: #10b981;--border-subtle: #e2e8f0;--border-focus: #3b82f6;--font-main: "Outfit", "Noto Sans JP", sans-serif;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--radius-md: 12px;--radius-lg: 20px;--transition-normal: .2s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box;font-family:var(--font-main)}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--font-family);background:var(--gradient-bg);color:var(--text-primary);min-height:100dvh;overflow-x:hidden}#app{width:100%;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1rem}.login-screen{width:100%;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1rem;background:var(--bg-app)}button{font-family:var(--font-family);font-weight:600;border:none;cursor:pointer;border-radius:var(--radius-md);padding:.75rem 1.5rem;font-size:1rem;transition:all var(--transition-normal);position:relative;overflow:hidden}button:active{transform:scale(.97)}.btn-primary{background:var(--accent-primary);color:#fff;box-shadow:0 4px #2563eb}.btn-primary:hover{background:#2563eb}.btn-secondary{background:#f1f5f9;color:var(--text-secondary);border:1px solid var(--border-subtle)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--accent-primary)}.btn-danger{background:var(--accent-red);color:#fff;box-shadow:0 4px #e11d48}.btn-danger:hover{background:#e11d48}.btn-fight{background:var(--accent-red);color:#fff;box-shadow:0 6px #e11d48;font-weight:900;font-size:1.25rem;padding:1rem 2.5rem;letter-spacing:.05em}.btn-fight:hover{background:#e11d48;transform:translateY(-2px) scale(1.02)}.btn-fold{background:var(--bg-card);color:var(--text-secondary);font-weight:700;font-size:1.25rem;padding:1rem 2.5rem;border:1px solid var(--border-subtle)}.btn-fold:hover{background:var(--bg-card-hover);color:var(--text-primary)}.btn-small{padding:.5rem 1rem;font-size:.875rem}input[type=text]{font-family:var(--font-family);font-size:1.1rem;font-weight:600;background:var(--bg-card);color:var(--text-primary);border:2px 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ease}.action-desc{font-size:.85rem;line-height:1.5;color:var(--text-secondary);margin-bottom:1rem}.lobby-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.lobby-header h1{font-size:1.5rem;font-weight:900;background:var(--gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.user-info{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary)}.user-avatar{width:32px;height:32px;border-radius:50%;border:2px solid var(--border-accent)}.lobby-actions{display:flex;flex-direction:column;gap:1rem}.action-card{background:#fff;padding:1.5rem;border-radius:var(--radius-lg);border:2px solid var(--border-subtle);box-shadow:var(--shadow-sm)}.action-card h2{font-size:1.25rem;margin-bottom:1.25rem;color:var(--accent-primary)}.join-form{display:flex;gap:.75rem;align-items:center}.error-msg{color:var(--accent-red);font-size:.875rem;margin-top:.75rem;min-height:1.25rem}.spectator-counter{text-align:center;font-size:1rem;font-weight:900;color:var(--accent-blue);background:#e0f2fe;padding:1rem;border-radius:var(--radius-lg);margin-bottom:1.5rem;border:2px solid #bae6fd}.spectator-counter-mini{text-align:right;font-size:.75rem;font-weight:600;color:var(--accent-blue);margin-bottom:.5rem;padding-right:.5rem}.waiting-section-title{font-size:.8rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;margin-top:1rem}.spectator-item{border-style:dashed;opacity:.8}.waiting-screen{width:100%;max-width:500px;margin:2rem auto;animation:fadeIn .4s ease}.room-id-display{text-align:center;margin-bottom:1.5rem}.room-id-label{font-size:.875rem;color:var(--text-secondary);margin-bottom:.5rem}.room-id-value{font-size:2.25rem;font-weight:900;color:var(--accent-primary);letter-spacing:.1em;padding:.5rem;cursor:pointer;transition:transform .2s ease}.room-id-value:hover{transform:scale(1.05)}.room-id-hint{font-size:.75rem;color:var(--text-secondary);font-weight:600;opacity:.8}.player-list{list-style:none;display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem}.player-item{display:flex;align-items:center;gap:.75rem;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:.75rem 1rem}.player-item.host{border-color:var(--border-accent)}.player-avatar{width:36px;height:36px;border-radius:50%}.player-name{flex:1;font-weight:600}.player-badge{background:#dcfce7;color:#166534;font-size:.7rem;padding:.2rem 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ease;transform-style:preserve-3d;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.card:hover .card-inner{box-shadow:var(--shadow-lg)}.card.revealed .card-inner{transform:rotateY(180deg);box-shadow:0 15px 35px #00000026}.card-anim-reveal .card-inner{animation:revealFlip 1s cubic-bezier(.175,.885,.32,1.275) both}.card-front,.card-back{position:absolute;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;border-radius:var(--radius-lg);background:#fff;border:4px solid var(--border-subtle);display:flex;flex-direction:column;overflow:hidden}.card-back{background:#fff;background-image:radial-gradient(circle at 2px 2px,var(--bg-card-hover) 2px,transparent 0);background-size:24px 24px;border-color:var(--accent-secondary);display:flex;align-items:center;justify-content:center}.card-back:after{content:"?";font-size:5rem;font-weight:900;opacity:1;color:var(--accent-blue);text-shadow:0 0 15px rgba(14,165,233,.3)}.card-front{transform:rotateY(180deg);border-color:var(--accent-primary);background:linear-gradient(135deg,#ffffff 0%,var(--bg-app) 100%)}.card.mine .card-front{border-color:var(--accent-secondary);background:linear-gradient(135deg,#fff,#fff0f7)}.card-content{padding:.5rem 1rem 1.5rem;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;flex:1}.card-anim-deal{animation:dealCard .8s cubic-bezier(.175,.885,.32,1.1) both}.card-anim-deal .card-inner{transform:rotateY(0);transition:transform .6s cubic-bezier(.175,.885,.32,1.275)}.card-anim-deal.revealed .card-inner{animation:dealThenFlip 1.5s cubic-bezier(.4,0,.2,1) forwards}@keyframes dealThenFlip{0%,55%{transform:rotateY(0)}to{transform:rotateY(180deg)}}@keyframes dealCard{0%{transform:translate(-50%,-150vh) scale(.5) rotateX(45deg);opacity:0}to{transform:translate(0) scale(1) rotateX(0);opacity:1}}.card-player-name{font-size:.9rem;font-weight:900;color:var(--text-secondary);padding:1rem 12px .5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:left;width:100%;background:#ffffffe6;border-bottom:1px solid var(--border-subtle)}@keyframes revealFlip{0%{transform:rotateY(0) scale(1);box-shadow:var(--shadow-md)}50%{transform:rotateY(90deg) scale(1.15) translateY(-20px);box-shadow:0 30px 60px #0003}to{transform:rotateY(180deg) scale(1);box-shadow:0 15px 35px #00000026}}.card-player-name{font-size:.9rem;font-weight:900;color:var(--text-secondary);padding:1rem 12px .5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:left;width:100%;background:#ffffffe6;border-bottom:1px solid var(--border-subtle);z-index:5}.card-player-name.is-me{color:var(--accent-primary)}.card-character-icon{width:64px;height:64px;margin:0 auto .5rem;border-radius:var(--radius-sm);object-fit:contain;image-rendering:auto}.card-character-name{font-size:1rem;font-weight:700;margin-bottom:.5rem}.card-handicap{font-size:1.5rem;font-weight:900}.card-handicap.high{color:var(--accent-red)}.card-handicap.medium{color:var(--accent-gold)}.card-handicap.low{color:var(--accent-green)}.card-hidden-label{display:none}.card-decision-badge{position:absolute;top:-8px;right:-8px;font-size:.7rem;font-weight:700;padding:.2rem .5rem;border-radius:var(--radius-sm);z-index:3}.card-decision-badge.fight{background:var(--gradient-fire);color:#fff}.card-decision-badge.fold{background:var(--bg-card-hover);color:var(--text-muted);border:1px solid var(--border-subtle)}.decision-area{text-align:center;margin-bottom:1.5rem;animation:slideUp .4s ease}.decision-prompt{font-size:1.1rem;font-weight:600;color:var(--text-secondary);margin-bottom:1rem}.decision-buttons{display:flex;gap:1rem;justify-content:center}.decision-waiting{color:var(--text-muted);font-size:.9rem}.decision-done{color:var(--accent-green);font-weight:700;font-size:1rem}.result-area{animation:fadeIn .4s ease}.result-title{text-align:center;font-size:1.25rem;font-weight:700;margin-bottom:1rem;color:var(--accent-gold)}.result-form{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1rem}.result-form label{display:block;font-size:.9rem;font-weight:600;color:var(--text-secondary);margin-bottom:.5rem}.result-form select{font-family:var(--font-family);font-size:1rem;background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:.5rem .75rem;width:100%;margin-bottom:1rem;outline:none}.result-form select:focus{border-color:var(--accent-gold)}.scoreboard{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.25rem;margin-bottom:1.5rem;box-shadow:var(--shadow-sm)}.scoreboard-title{font-size:.9rem;font-weight:700;color:var(--text-secondary);margin-bottom:.75rem;text-align:center}.scoreboard-list{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}.score-item{display:flex;align-items:center;gap:.5rem;background:#f1f5f9;border-radius:var(--radius-sm);padding:.4rem .75rem}.score-name{font-size:.85rem;font-weight:600}.score-value{font-size:1rem;font-weight:900}.score-value.positive{color:#059669}.score-value.negative{color:#dc2626}.score-value.zero{color:var(--text-muted)}.round-result-display{text-align:center;margin-bottom:1.5rem;padding:1rem;background:var(--bg-glass);border:1px solid var(--border-accent);border-radius:var(--radius-lg);animation:fadeIn .4s ease}.round-result-display h3{font-size:1.1rem;color:var(--accent-gold);margin-bottom:.75rem}.result-winner,.result-loser{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem 1rem;border-radius:var(--radius-sm);margin:.25rem;font-weight:700}.result-winner{background:#44dd8826;color:var(--accent-green)}.result-loser{background:#ff446626;color:var(--accent-red)}.game-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.deck-info{text-align:center;font-size:.8rem;color:var(--text-muted);margin-bottom:1rem}.toast-container{position:fixed;top:1rem;right:1rem;z-index:1000;display:flex;flex-direction:column;gap:.5rem}.toast{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:.75rem 1.25rem;font-size:.875rem;color:var(--text-primary);box-shadow:var(--shadow-lg);animation:slideIn .3s ease,fadeOut .3s ease 2.7s;max-width:320px}.toast.error{border-color:var(--accent-red);color:var(--accent-red)}.toast.success{border-color:var(--accent-green);color:var(--accent-green)}.loading-spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border-subtle);border-top-color:var(--accent-gold);border-radius:50%;animation:spin .8s linear infinite}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes cardReveal{0%{filter:blur(12px);transform:scale(.95)}to{filter:blur(0);transform:scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.btn-primary{background:var(--accent-primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:700;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px #1d4ed8}.btn-primary:active{transform:translateY(2px);box-shadow:0 2px #1d4ed8}.btn-primary:disabled{background:var(--text-muted);box-shadow:0 4px #64748b;cursor:not-allowed}.btn-secondary{background:#fff;color:var(--text-secondary);border:2px solid var(--border-subtle);padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:700;cursor:pointer;transition:all var(--transition-normal)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--text-muted)}.btn-danger{background:#f87171;color:#fff;border-radius:var(--radius-md);padding:.5rem 1rem;font-weight:700;border:none;box-shadow:0 4px #b91c1c}.btn-danger:active{transform:translateY(2px);box-shadow:0 2px #b91c1c}@media(max-width:480px){.login-logo{font-size:1.8rem}.login-card{padding:1.5rem 1.25rem}.room-id-value{font-size:2rem}.cards-container{grid-template-columns:repeat(2,1fr);gap:.75rem}.card-character-icon{width:48px;height:48px}.card-character-name{font-size:.875rem}.card-handicap{font-size:1.25rem}.decision-buttons{flex-direction:column}.btn-fight,.btn-fold{font-size:1rem;padding:.875rem 2rem}}.result-area{background:#fff;padding:1.5rem;border-radius:var(--radius-lg);margin-top:1.5rem;border:1px solid var(--border-subtle);box-shadow:var(--shadow-md)}.result-grid{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem}.result-grid-header{display:grid;grid-template-columns:1fr 80px 80px;padding:.5rem 1rem;font-size:.8rem;font-weight:700;color:var(--text-muted);text-align:center}.result-grid-header span:first-child{text-align:left}.result-grid-row{display:grid;grid-template-columns:1fr 80px 80px;align-items:center;padding:.75rem 1rem;background:#f8fafc;border-radius:var(--radius-md);border:1px solid transparent;transition:all var(--transition-normal)}.result-grid-row:hover{background:#f1f5f9;border-color:var(--border-subtle)}.result-grid-row .player-name{font-weight:700;color:var(--text-primary)}.result-grid-row label{display:flex;justify-content:center;align-items:center;cursor:pointer;height:100%}.result-grid-row input[type=radio]{width:1.5rem;height:1.5rem;cursor:pointer;accent-color:var(--accent-primary)}.login-header-group{margin-bottom:2rem;text-align:center}.login-info{margin-top:2rem;width:100%;max-width:440px;background:#fff;border-radius:var(--radius-xl);padding:2rem;box-shadow:var(--shadow-lg);border:1px solid var(--border-subtle)}.login-logo{font-size:3.25rem;font-weight:900;color:#f59e0b;margin-bottom:1rem;text-align:center;letter-spacing:-.04em;line-height:1.1;text-shadow:0 2px 0 #b45309,0 4px 0 #78350f,0 10px 20px rgba(0,0,0,.15);animation:logoAppear .8s cubic-bezier(.175,.885,.32,1.275) both}@keyframes logoAppear{0%{transform:translateY(-20px) scale(.9);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.login-info-title{font-size:1.25rem;font-weight:900;color:var(--accent-primary);margin-bottom:1.5rem;text-align:center;display:flex;align-items:center;justify-content:center;gap:.5rem}.rule-steps{display:flex;flex-direction:column;gap:1.25rem}.rule-step{display:flex;gap:1rem;align-items:flex-start}.rule-icon{width:40px;height:40px;background:var(--bg-app);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0;color:var(--accent-primary)}.rule-content h4{font-size:.95rem;font-weight:800;margin-bottom:.25rem;color:var(--text-main)}.rule-content p{font-size:.85rem;line-height:1.55;color:var(--text-secondary)}