.logo {
    font-family: 'Fredoka One', cursive;
    font-size: 5rem;
    margin-bottom: 2rem;
    text-shadow: 3px 3px 0 #d6e6ff, 6px 6px 0 rgba(214, 230, 255, 0.5);
    animation: floatAndGlow 3s infinite ease-in-out;
    background: linear-gradient(135deg, var(--blue-color), #6ba2ff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}
.logo-pio {
    display: inline-block;
    animation: bouncePio 2s infinite ease-in-out;
}

@keyframes bouncePio {
    0%, 100% { transform: translateY(0) scale(1); }
    25% { transform: translateY(-10px) scale(1.05); }
    50% { transform: translateY(0) scale(1); }
    75% { transform: translateY(-5px) scale(1.03); }
}

@keyframes floatAndGlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(100vh - 80px);
    padding: 2rem;
}

.logo-container {
    text-align: center;
    position: relative;
    margin-bottom: 2rem;
    padding: 2rem 3rem;
    background: rgba(250, 250, 252, 0.95);
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(255, 182, 203, 0.3);
    backdrop-filter: blur(8px);
    border: 2px solid rgba(230, 230, 240, 0.8);
    animation: slideUpFadeIn 1s ease-out 0.3s both;
}

.subtitle::after {
    content: '';
    display: block;
    width: 40%;
    height: 2px;
    background: linear-gradient(to right, transparent, rgba(150, 100, 150, 0.4), transparent);
    margin: 0.8rem auto 0;
}

.social-icons {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
    justify-content: center;
    animation: slideUpFadeIn 1s ease-out 0.6s both;
}

.social-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    color: var(--primary-color);
    font-size: 2rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: scaleUpFadeIn 0.5s ease-out forwards;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: all 0.5s ease;
}

.social-icon:hover::before {
    left: 100%;
}

.social-icon:hover {
    transform: translateY(-10px) scale(1.1);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.15);
}

.container {
    align-items: center;
}

.social-icon.twitter:hover { background: #1DA1F2; color: white; }
.social-icon.bluesky:hover { background: #1185F0; color: white; }
.social-icon.pixiv:hover { background: #0096FA; color: white; }
.social-icon.github:hover { background: #333; color: white; }
.social-icon.itchio:hover { background: #FA5C5C; color: white; }
.social-icon.youtube:hover { background: #FF0000; color: white; }

.social-icon:nth-child(1) { animation-delay: 0.7s; }
.social-icon:nth-child(2) { animation-delay: 0.8s; }
.social-icon:nth-child(3) { animation-delay: 0.9s; }
.social-icon:nth-child(4) { animation-delay: 1.0s; }
.social-icon:nth-child(5) { animation-delay: 1.1s; }
.social-icon:nth-child(6) { animation-delay: 1.2s; }

@media (max-width: 768px) {
    .logo { font-size: 3rem; }
    .social-icon { width: 55px; height: 55px; font-size: 1.6rem; }
}