html,
body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
}
h3{font-size:.9em;text-align:left;}
.form-signin form p{font-size:.78em;text-align:left;padding-left:1em;}
li{text-align:left;font-size:.77em;}
form{margin-bottom:1em;}

.form-signin {
  width: 100%;
  max-width: 650px;
  padding: 15px;
  margin: auto;
}
.form-signin .checkbox {
  font-weight: 400;
}
.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 17px;
  max-width: 350px;
  margin:auto;
}
.form-signin button,.form-signin select{
  max-width: 350px;
  margin:auto;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="email"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}
.form-signin .form-control::placeholder {
  font-size: 0.9em;color:#bbbbbb;
}
.form-signin .form-control:-ms-input-placeholder {
  font-size: 0.9em;
}
.form-signin .form-control::-ms-input-placeholder {
  font-size: 0.9em;
}






@media (max-width: 801px) { /* スマホサイズ用 */
  .form-signin {
    width: 100%;
    max-width: 350px;
    padding: 15px 10px;
    margin: auto;
  }
  .form-signin .checkbox {
    font-weight: 400;
  }
  .form-signin .form-control {
    position: relative;
    box-sizing: border-box;
    height: auto;
    padding: 10px;
    font-size: 16px;
  }
  .form-signin .form-control:focus {
    z-index: 2;
  }
  .form-signin input[type="email"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
  }
  .form-signin input[type="password"] {
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }
  .form-signin .form-control::placeholder {
    font-size: 0.8em;
  }
  .form-signin .form-control:-ms-input-placeholder {
    font-size: 0.8em;
  }
  .form-signin .form-control::-ms-input-placeholder {
    font-size: 0.8em;
  }
}