:root{--primary-color: #4facfe;--secondary-color: #00f2fe;--bg-dark: #121212;--ui-bg: rgba(20, 20, 35, .85);--text-main: #ffffff;--text-dim: #cccccc;--accent-gold: #ffd700}body{margin:0;padding:0;background-color:var(--bg-dark);font-family:Inter,Noto Sans JP,sans-serif;color:var(--text-main);overflow:hidden;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}#app{width:100vw;height:100vh;position:relative}#story-selection-screen{width:100%;height:100%;overflow-y:auto;padding:40px 20px;box-sizing:border-box;background:linear-gradient(180deg,#1a1a2e,#121212)}.selection-container{max-width:1000px;margin:0 auto}.selection-title{text-align:center;font-size:2.5rem;margin-bottom:50px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:800}.story-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:30px}.story-card{background:#ffffff0d;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.1);transition:all .3s ease;cursor:pointer}.story-card:hover{transform:translateY(-10px);background:#ffffff1a;border-color:var(--primary-color);box-shadow:0 15px 30px #00000080}.story-cover{width:100%;height:200px;background-size:cover;background-position:center;border-bottom:1px solid rgba(255,255,255,.1)}.story-info{padding:20px}.story-title{font-size:1.25rem;font-weight:700;margin-bottom:8px}.story-desc{font-size:.9rem;color:var(--text-dim);line-height:1.4}#game-container{width:100%;height:100%;position:relative;background-color:#000;display:flex;justify-content:center;align-items:center}#visual-area{width:100%;height:100%;position:absolute;overflow:hidden}#background-layer{width:100%;height:100%;background-size:contain;background-repeat:no-repeat;background-position:center;transition:opacity .5s ease-in-out}#tap-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1000;display:flex}.tap-zone{height:100%;cursor:pointer}#tap-left,#tap-right{flex:1}#ui-layer{position:absolute;bottom:0;left:50%;transform:translate(-50%);width:95%;max-width:800px;padding-bottom:20px;z-index:1100;pointer-events:none}#text-box{background:var(--ui-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:20px 30px;border-radius:15px;border:1px solid rgba(255,255,255,.1);min-height:80px;display:flex;flex-direction:column}#name-tag{font-size:.9rem;font-weight:700;color:var(--secondary-color);margin-bottom:8px;text-transform:uppercase;letter-spacing:1px}#message-text{font-size:1.1rem;line-height:1.6;color:var(--text-main);text-shadow:0 2px 4px rgba(0,0,0,.5)}#text-box.shout{border:2px solid #ff4b2b;background:#3c0a0ae6;box-shadow:0 0 20px #ff4b2b66}#text-box.shout #name-tag{color:#ff4b2b}#text-box.shout #message-text{color:#fff;font-weight:700}#page-counter{position:absolute;top:-40px;right:10px;background:#0009;padding:5px 15px;border-radius:20px;font-size:.85rem;font-weight:700;color:var(--text-dim)}#ui-buttons{position:absolute;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;z-index:1200}#ui-buttons button{background:#0009;border:1px solid rgba(255,255,255,.2);color:#fff;padding:8px 15px;border-radius:8px;font-size:.8rem;cursor:pointer;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);pointer-events:auto}#ui-buttons button:hover{background:#fff3}#instruction-modal{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:3000;display:flex;justify-content:center;align-items:center;transition:opacity .3s ease}#instruction-modal.hidden{display:none;opacity:0}.modal-content{background:linear-gradient(145deg,#1a1a2e,#16213e);padding:40px;border-radius:30px;border:1px solid rgba(255,255,255,.1);box-shadow:0 30px 60px #00000080;max-width:420px;width:90%;text-align:center}.next-episode-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000d9;display:none;flex-direction:column;justify-content:center;align-items:center;z-index:2000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:opacity .5s ease;opacity:0}.next-episode-overlay.visible{display:flex;opacity:1}.next-episode-content{text-align:center;color:#fff;max-width:80%}.next-episode-title{font-size:1.2rem;color:gold;margin-bottom:.5rem;letter-spacing:2px}.next-episode-btn{margin-top:2rem;padding:1rem 3rem;background:linear-gradient(135deg,gold,#ff8c00);border:none;border-radius:50px;color:#000;font-size:1.1rem;font-weight:700;cursor:pointer;box-shadow:0 4px 15px #ffd70066;transition:transform .2s ease,box-shadow .2s ease}.next-episode-btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #ffd70099}.back-to-list-btn{margin-top:1.5rem;background:transparent;border:1px solid rgba(255,255,255,.3);color:#ffffffb3;padding:.6rem 2rem;border-radius:50px;cursor:pointer;transition:all .2s ease}.back-to-list-btn:hover{border-color:#fff;color:#fff;background:#ffffff1a}.modal-title{font-size:2rem;background:linear-gradient(90deg,#4facfe,#00f2fe);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:30px;font-weight:800}.instruction-grid{display:grid;gap:20px;margin-bottom:40px}.instruction-item{display:flex;align-items:center;gap:20px;text-align:left}.tap-icon{width:50px;height:50px;background:#ffffff0d;border-radius:12px;position:relative;display:flex;justify-content:center;align-items:center;font-size:24px}.tap-icon:after{content:"👆"}.tap-icon.left{border-left:5px solid var(--secondary-color)}.tap-icon.right{border-right:5px solid #555}.checkbox-container{display:flex;align-items:center;gap:12px;cursor:pointer;font-size:.95rem;color:var(--text-dim);margin-bottom:25px}.checkmark{width:20px;height:20px;border:2px solid #555;border-radius:6px;display:block;position:relative;transition:all .2s}input:checked+.checkmark{background-color:var(--secondary-color);border-color:var(--secondary-color)}input:checked+.checkmark:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#000;font-weight:700}input[type=checkbox]{display:none}#close-instruction{width:100%;padding:15px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));border:none;border-radius:15px;color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s}#close-instruction:hover{transform:translateY(-2px);box-shadow:0 10px 20px #4facfe66}#info-screen,#log-screen{position:fixed;inset:0;background:#000000d9;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);z-index:4000;display:flex;justify-content:center;align-items:center;padding:20px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}#info-window,#log-window{background:linear-gradient(165deg,#0f0f1b,#1a1a2e);width:100%;max-width:500px;height:80vh;border-radius:30px;display:flex;flex-direction:column;padding:30px;border:1px solid rgba(79,172,254,.3);box-shadow:0 0 30px #4facfe33;position:relative;overflow:hidden}#info-window:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(79,172,254,.05) 0%,transparent 70%);pointer-events:none}#info-content,#log-content{flex:1;overflow-y:auto;margin-bottom:25px;padding-right:10px;-webkit-mask-image:linear-gradient(to bottom,black 90%,transparent 100%);mask-image:linear-gradient(to bottom,black 90%,transparent 100%)}#info-content::-webkit-scrollbar,#log-content::-webkit-scrollbar{width:4px}#info-content::-webkit-scrollbar-thumb,#log-content::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:10px}.log-item{margin-bottom:20px;padding:15px;background:#ffffff08;border-radius:12px;border-left:3px solid var(--primary-color);animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.log-item strong{display:block;font-size:.8rem;color:var(--secondary-color);margin-bottom:4px}.info-item{margin-bottom:25px}.info-label{color:var(--primary-color);font-weight:800;font-size:.75rem;text-transform:uppercase;letter-spacing:2px;margin-bottom:8px;display:block}.info-value{font-size:1.1rem;color:#fff;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:12px}#close-info-button,#close-log-button{width:100%;padding:15px;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:15px;color:#fff;font-weight:700;cursor:pointer;transition:all .2s}#close-info-button:hover,#close-log-button:hover{background:#ffffff1a;border-color:#fff}