html {
    font-size: 3.6vw;
    letter-spacing: .1em;
}

body {
    font-family: 'Helvetica Neue', Helvetica, 'Microsoft YaHei', sans-serif;
    background-color: #eaeaea;
    min-height: 100vh;
    padding-top: 13vw;
    box-sizing: border-box;
}

body,
p {
    margin: 0;
}

a {
    text-decoration: none;
}

.flex {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
}

.inline-flex {
    display: -webkit-inline-box;
    display: -webkit-inline-flex;
    display: inline-flex;
}

header {
    width: 100%;
    height: 13vw;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    background-color: white;
    position: fixed;
    top: 0;
    z-index: 1;
    letter-spacing: .1em;
}

.back {
    display: block;
    width: 13%;
    height: 100%;
    background: url("../icon/detail_navi_icons.png") no-repeat;
    background-size: 200% 80%;
    background-position: left center;
    z-index: 1;
}

.nav_title {
    font-size: 3.6vw;
    color: #4c4c4c;
}

.main {
    border-top: 1px solid #e5e5e5;
    font-size: 1.1rem;
    color: #333;
}

.container {
    padding: 0 4.17vw;
}

.user_info {
    background-color: white;
}

.user_info p {
    line-height: 3;
    border-bottom: 1px solid #d9d9d9;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.user_info span {
    min-width: 5em;
    -webkit-box-flex: 0;
    -webkit-flex: none;
    flex: none;
}

input {
    border: none;
    min-width: 40%;
    -webkit-box-flex: 1;
    -webkit-flex: auto;
    flex: auto;
}

::-webkit-input-placeholder {
    color: #aaa;
    font-size: 1rem;
}

.get_vcode {
    font-size: .8rem;
    padding: 0 1em;
    border: 1px solid #d9d9d9;
    border-radius: 1vw;
}

.tips {
    min-height: 8em;
    padding-bottom: 3vw;
}

dt {
    line-height: 2;
}

dd {
    color: #949494;
    font-size: .9rem;
    margin-left: 0;
    line-height: 1.5;
}

button {
    width: 100%;
    height: 8vw;
    color: white;
    font-size: 1.2rem;
    background-color: #d9221a;
    border: 0;
    border-radius: 1vw;
}

button i {
    display: inline-block;
    width: .6em;
}