@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;600;700;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans', sans-serif;
    background: #f5f5f5;
    overflow-x: hidden;
    padding-bottom: 70px;
}

main {
    padding-bottom: 20px;
    min-height: calc(100vh - 140px);
}

.hidden {
    display: none !important;
}

@media (max-width: 480px) {
    .title-line {
        font-size: 28px;
    }
    
    .title-line:nth-child(2) {
        font-size: 32px;
    }
    
    .title-line:nth-child(3) {
        font-size: 24px;
    }
    
    .start-btn {
        padding: 14px 36px;
        font-size: 16px;
    }
    
    .episode-title {
        font-size: 16px;
    }

    .test-grid {
        grid-template-columns: 1fr;
    }
}