@charset "utf-8";
    /* CSS Document */
    
    *,
    body {
        margin: 0;
        padding: 0;
    }
    
    html,
    body {
        font-size: 62.5%;
        color: #333;
        width: 100%;
        min-width: 640px;
        font-family: Helvetica Neue, PingFang SC, Microsoft YaHei, Helvetica, Arial, sans-serif;
        background: #fff;
    }
    a {
        text-decoration: none;
    }
    
    ul,
    li {
        list-style: none;
    }
    .index{
		padding: 0 20px;
	}
    .main {
        margin: 0 auto;
    }
    
    .header {
        position: fixed;
        width: 100%;
        left: 0;
        right: 0;
        top: 0;
        padding: 1rem 20px;
        background: #fff;
        z-index: 10;
		box-sizing: border-box;
    }
    
    nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .logo {
        color: #333;
        font-size: 2.6rem;
        line-height: 3rem;
        font-weight: bold;
    }
    
    .menu {
        display: flex;
    }
    
    .menu li {
        margin-left: 3rem;
    }
    
    .menu a {
        color: #333;
        display: block;
        font-size: 1.4rem;
    }
    
    .menu a:hover {
        text-decoration: underline;
    }
    
    .banner {
        position: relative;
        z-index: 3;
        line-height: 0;
        margin-top: 5rem;
    }
    
    .banner img {
        width: 100%;
    }
    
    .content {
        padding: 2rem;
    }
    
    .content h3 {
        font-size: 2rem;
        line-height: 2.6rem;
    }
    
    .content .txt {
        font-size: 1.4rem;
        line-height: 2.4rem;
        margin: 1rem 0 2rem;
    }
    
    .icon {
        text-align: center;
    }
    
    .icon img {
        width: 18rem;
    }
    
    .icon h4 {
        font-size: 2rem;
        line-height: 3rem;
    }
    
    footer {
        margin: 0 2rem;
        padding: 2rem 0;
        border-top: 1px solid #ccc;
        text-align: center;
        font-size: 1.6rem;
        line-height: 3rem;
    }
    
    footer h4 {
        font-size: 2.4rem;
        line-height: 200%;
    }
    
    .privacy {
        padding: 5rem 8rem;
        color: #333;
    }
    
    .privacy h1 {
        text-align: center;
        font-size: 3rem;
        line-height: 6rem;
        margin-bottom: 2rem;
    }
    
    .privacy p {
        font-size: 1.6rem;
        line-height: 3.2rem;
        margin-top: 1rem;
    }
    
    .privacy li {
        margin-top: 2rem;
    }
    
    .privacy h3 {
        font-size: 2.4rem;
        line-height: 3rem;
        margin: 3rem 0 1rem;
    }
    
    .privacy h4 {
        font-size: 2rem;
        line-height: 2.6rem;
        margin: 2rem 0 1rem;
    }
    
    @media screen and (max-width: 640px) {
        html,
        body {
            min-width: 100%;
        }
        nav {
            display: block;
            padding: 0 1rem;
        }
        .menu {
            margin-top: 1rem;
            display: block;
        }
        .menu li {
            margin-left: 0;
            line-height: 2.4rem;
        }
        .banner {
            margin-top: 13rem;
        }
        .main {
            width: 100%;
        }
        .privacy {
            padding: 5rem 3rem;
        }
    }