* {
    margin: 0;
    padding: 0;
}

*,
*:before,
*:after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
    height: 100%;
}

body {
    min-height: 100%;
    line-height: 1.6;
    min-width: 320px;
    position: relative;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
    background: #fff;
}

body,
td,
th {
    color: #000;
    font-family: "Montserrat", sans-serif;
    font-size: 1.4rem;
    line-height: 1.6;
}

td,
th {
    vertical-align: baseline;
}

img {
    height: auto;
    max-width: 100%;
    vertical-align: top;
}

li {
    list-style: none;
}

a {
    color: #000;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease 0s;
}

a:hover {
    color: #000;
}

p,
label,
ul,
h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0px;
}

.p-0 {
    padding: 0px !important;
}

.no-border {
    border: none !important;
}

.wrapall {
    max-width: 960px;
    margin: 0px auto;
    padding: 20px 15px;
}

header h1 {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    display: flex;
    padding-bottom: 20px;
}

header img {
    width: 180px;
}

section {
    padding-bottom: 20px;
}

.header,
.content_img {
    align-items: center;
    display: flex;
    padding-bottom: 15px;
}

.header {
    padding-top: 20px;
}

.header h2 {
    font-size: 2rem;
}

.nav {
    display: flex;
    padding-left: 20px;
}

.nav li a {
    margin-right: 15px;
    display: block;
    color: #0070c9;
    line-height: 1.2;
    font-size: 1.6rem;
}

.nav li a.active {
    border-bottom: 2px solid #0070c9;
}

.content_box {
    display: none;
}

.content_box.active {
    display: block;
}

.content_img {
    border-bottom: 1px solid #ccc;
}

.content_img li {
    margin: 0px 10px 10px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.content_img li:nth-child(4n) {
    margin-right: 0px;
}

.content_img li:nth-child(4n - 3) {
    margin-left: 0px;
}

.content_des {
    border-bottom: 1px solid #ccc;
    padding: 30px 0px 0px;
}

.content_des p,
.content_des ul {
    padding-bottom: 20px;
}

.content_des dl {
    display: flex;
    flex-wrap: wrap;
}

.content_des dl dt,
.content_des dl dd {
    padding-bottom: 15px;
}

.content_des dl dt {
    text-align: right;
    width: 150px;
}

.content_des dl dd {
    padding-left: 30px;
    width: calc(100% - 150px);
}

.btn_dl {
    display: none;
    text-decoration: none;
    background: #670302;
    width: 250px;
    border-radius: 5px;
    text-align: center;
    color: #fff;
    font-size: 1.8rem;
    padding: 10px;
    margin-bottom: 20px;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: bold;
}

.btn_dl:hover {
    color: #fff;
    opacity: 0.8;
}

#main-android {
    display: none;
}

@media screen and (max-width: 767px) {
    .content_img li {
        margin: 0px 2px;
        border-radius: 5px;
    }

    .content_des {
        padding-top: 10px;
    }

    .content_des dl dt {
        width: 110px;
    }

    .content_des dl dd {
        width: calc(100% - 110px);
    }

    .header h2 {
        font-size: 1.6rem;
    }

    header h1 {
        font-size: 2.2rem;
    }
}