*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color:#4dc9f6;--secondary-color:#7b6ef6;--accent-color:#f6c558;--bg-dark:#080c18;--bg-gradient:linear-gradient(135deg, #080c18 0%, #0d1528 50%, #0a0f20 100%);--text-primary:#e8eaf0;--text-secondary:#89b;--glow-cyan:0 0 20px #4dc9f680;--glow-amber:0 0 20px #f6c55880;--font-jp:"Noto Sans JP", sans-serif;--font-en:"Orbitron", sans-serif}html,body{height:100%;overflow-x:hidden}body{font-family:var(--font-jp);background:var(--bg-dark);color:var(--text-primary);min-height:100vh;position:relative}#particles{z-index:0;pointer-events:none;width:100%;height:100%;position:fixed;top:0;left:0}#app{z-index:1;justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative}.container{opacity:0;width:100%;max-width:1200px;padding:2rem;transition:all 1s 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0}.credit-line{color:var(--text-secondary);opacity:.8;margin-bottom:.75rem;font-size:.9rem}.credit-line.synopsis{color:var(--text-primary);opacity:.9;margin-bottom:1.5rem;font-size:1rem;line-height:1.8}.credit-links{flex-wrap:wrap;justify-content:center;gap:1.5rem;display:flex}.credit-links a{color:var(--accent-color);border-bottom:1px solid #0000;font-size:.9rem;text-decoration:none;transition:all .3s}.credit-links a:hover{border-bottom-color:var(--accent-color);text-shadow:var(--glow-amber)}.footer{text-align:center;margin-top:4rem}.social-links{justify-content:center;gap:1.5rem;margin-bottom:1.5rem;display:flex}.social-link{width:48px;height:48px;color:var(--text-secondary);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;transition:all .3s;display:flex}.social-link:hover{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));color:#fff;box-shadow:var(--glow-cyan);transform:translateY(-3px)}.social-link svg{width:24px;height:24px}.copyright{color:var(--text-secondary);opacity:.6;font-size:.875rem}.hidden{display:none!important}@media (width<=768px){.container{padding:1rem}.title-section{margin-bottom:1.5rem}.actions-section{flex-direction:column;align-items:center;gap:.75rem}.watch-on-youtube,.post-impressions{text-align:center;justify-content:center;width:100%;max-width:300px}.credits-section{margin-top:2rem}}@keyframes backgroundShift{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}body:before{content:"";pointer-events:none;z-index:0;background-color:#0000;background-image:radial-gradient(at 30% 20%,#4dc9f614 0%,#0000 50%),radial-gradient(at 70% 80%,#f6c5580f 0%,#0000 50%),radial-gradient(#7b6ef60f 0%,#0000 70%);background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:200% 200%;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;width:100%;height:100%;animation:20s ease-in-out infinite backgroundShift;position:fixed;top:0;left:0}body:after{content:"";pointer-events:none;z-index:0;background:radial-gradient(#0000 0%,#0006 100%);width:100%;height:100%;position:fixed;top:0;left:0}[lang=en] .main-title,[lang=en] .countdown-number,[lang=en] .countdown-separator{font-family:var(--font-en)}[lang=en] .main-title{font-size:clamp(2.5rem,10vw,6rem)}