body {
    margin: 0;
    padding: 0;
    font-family: 'Mochiy Pop P One', sans-serif;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe9e9 100%);
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '🐱';
    position: fixed;
    font-size: 200px;
    right: -50px;
    bottom: -50px;
    opacity: 0.1;
    transform: rotate(-15deg);
    z-index: -1;
}

header {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.banner {
    width: 100%;
    height: 300px;
    object-fit: cover;
    filter: brightness(0.8);
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.banner:hover {
    transform: scale(1.15);
}

.header-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
    width: 100%;
}

.header-text h1 {
    font-size: 3.5rem;
    margin: 0;
    animation: bounce 2s infinite;
}

.header-text p {
    font-size: 1.2rem;
    margin: 10px 0 0;
}

.mode-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    perspective: 1000px;
}

.mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 25px;
    width: 160px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    border: 3px solid #ff9aa2;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(255, 154, 162, 0.2);
}

.mode-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 154, 162, 0.2) 10%, transparent 10.01%);
    background-size: 20px 20px;
    transform: rotate(30deg);
    animation: movePattern 5s linear infinite;
}

@keyframes movePattern {
    0% {
        transform: rotate(30deg) translate(0, 0);
    }
    100% {
        transform: rotate(30deg) translate(20px, 20px);
    }
}

.mode-btn:hover {
    transform: translateY(-10px) rotateX(10deg);
    box-shadow: 0 15px 30px rgba(255, 154, 162, 0.3);
}

.mode-btn i {
    font-size: 28px;
    background: linear-gradient(45deg, #ff9aa2, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mode-btn span {
    font-weight: bold;
    color: #ff6b6b;
    margin-top: 10px;
    font-size: 1.1rem;
}

.mode-btn:active {
    transform: scale(0.95) translateY(-2px);
}

.start-container {
    display: flex;
    justify-content: center;
    margin-top: 60px;
}

.start-btn {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(45deg, #ff9aa2, #ff6b6b);
    border: none;
    color: white;
    font-size: 22px;
    font-weight: bold;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(255, 154, 162, 0.4),
                inset 0 -5px 10px rgba(0, 0, 0, 0.1);
}

.start-btn::before {
    content: '🐾';
    position: absolute;
    font-size: 24px;
    opacity: 0.3;
    animation: pawFloat 2s ease-out infinite;
}

.start-btn::after {
    content: '🐾';
    position: absolute;
    font-size: 24px;
    opacity: 0.3;
    animation: pawFloat 2s ease-out infinite;
    animation-delay: 1s;
}

@keyframes pawFloat {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 0; }
    50% { opacity: 0.6; }
    100% { transform: translate(-40px, -40px) rotate(-45deg); opacity: 0; }
}

.start-btn:hover {
    transform: scale(1.1);
    background-color: #ff7070;
}

.start-btn i {
    font-size: 24px;
    margin-bottom: 5px;
}

.decoration .paw-print {
    position: fixed;
    font-size: 40px;
    opacity: 0.15;
    animation: floating 3s ease-in-out infinite;
    z-index: -1;
}

@keyframes floating {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

.typing-text {
    overflow: hidden;
    border-right: 2px solid #fff;
    white-space: nowrap;
    animation: typing 3.5s steps(20, end),
               blink-caret .75s step-end infinite;
    margin: 15px 0 0;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: white }
}