body{
  width: 100%;
  background-color:#ffffff;
  max-width: 720px;
  margin:0 auto;
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: 18px;
  line-height: 1.7em;
  color: #222;
  /* overflow: hidden; */
}

/* ============================== intro ========================== */
.intro_box {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 70%;
    background-color: #fff;
    border: 1px solid #ddd;
    border-top-left-radius: 30px;
    border-top-right-radius: 30px;
}
.intro_title {
    padding: 40px 0;
    text-align: center;
    font-size: 1.2em;
    font-weight: bold;
    color: #416fdf;
}

/* ============================== login ========================== */
.login {
  margin-top: 20px;
  width: 100%;
}
.login_logo {
    width: 140px;
    margin: auto;
    margin-bottom: 20px;
}
.login_box {
    width: 100%;
    background-color: #fff;
    border-radius: 10px;
    border: 1px solid #ddd;
    padding-bottom: 20px;
}
.login_title {
    padding: 40px 0;
    text-align: center;
}
.login_title b {
    display: block;
    font-size: 1.2em;
}
.login_title span {
    font-size: 0.9em;
    color: #666;
}
.login_form {
    padding: 0 20px;
}
.login_form li {
    margin-bottom: 20px;
}
.login_form li b {
    display: block;
    margin-bottom: 6px;
    margin-left: 10px;
    font-size: 0.9em;
}
.login_etc {
    display: flex;
    justify-content: space-between;
    font-size: 0.9em;
    padding: 0 25px;
    margin: 10px 0 20px 0;
}
.login_etc a {
    font-weight: bold;
    color: #ff8188;
}
.login_btn {
    width: calc(100% - 40px);
    height: 52px;
    margin: auto;
    margin-top: 30px;
    text-align: center;
    line-height: 52px;
    border-radius: 10px;
    background-color: #ff8188;
    color: #fff;
}
.login_btn a {
    display: block;
    width: 100%;
    height: 100%;
}

.login_signup {
    padding: 30px;
    text-align: center;
    color: #666;
    font-size: 0.9em;
}
.login_signup a {
    color: #ff8188;
}


.modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 20px;
    border-radius: 10px;
    width: 600px;
    max-width: 90%;
    max-height: 80vh;
    max-height: 80vh;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: scroll;
}
.modal-content h2 {
    font-size: 1.1em;
}
.modal-content p {
    font-size: 0.8em;
    margin-top: 20px;
}

.close {
    position: absolute;
    right: 20px;
    top: 18px;
    font-size: 36px;
    /* font-weight: bold; */
    color: #333;
    cursor: pointer;
}

.close:hover {
    color: #000;
}