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

body {
    font-family: 'Yu Gothic', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 10px;
}

.message-section {
    margin-bottom: 0px;
}

.message-section-m {
    margin-bottom: 50px;
}

.message-header {
    display: flex;
    align-items: center;
    margin-bottom: 0px;
}

.message-header-m {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    margin-right: 15px;
}

.title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
}

.text {
    font-size: 1rem;
    line-height: 1.8;
    color: #333;
}

@media screen and (max-width: 855px) {
    .container {
        padding: 30px 20px;
    }
    
    .icon {
        width: 35px;
        height: 35px;
        margin-right: 12px;
    }
    
    .title {
        font-size: 1.2rem;
    }
    
    .text {
        font-size: 0.95rem;
    }
    
    .message-section {
        margin-bottom: 0px;
    }
}