html,
body {
  height: 100%;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
}

.w-60 {
  width: 60% !important;
}

.btn {
  white-space: nowrap
}

body {
  display         : flex;
  align-items     : center;
  text-align      : center;
  background-color: rgba(230, 230, 230, 0.5);
}

.form-signin {
  max-width       : 350px;
  padding         : 30px;
  border-radius   : 10px;
  background-color: #fff;
  margin          : auto;

}

.form-signin .form-floating:focus-within {
  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;
}

.bd-placeholder-img {
  font-size          : 1.125rem;
  text-anchor        : middle;
  -webkit-user-select: none;
  -moz-user-select   : none;
  user-select        : none;
}

@media (min-width: 768px) {
  .bd-placeholder-img-lg {
    font-size: 3.5rem;
  }
}