body {
  font-family: "Meiryo UI", "Noto Sans JP", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  flex-direction: column;

  background-image:
    radial-gradient(at top left, #f1e6e1 0%, transparent 90%),
    radial-gradient(at top right, #ceedce 0%, transparent 90%),
    radial-gradient(at bottom left, #d2e7f8 0%, transparent 90%),
    radial-gradient(at bottom right, #f6e4b0 0%, transparent 90%);
  background-repeat: no-repeat;
  background-size: cover;
  background-color: #ffffff;
}

.container {
  background: white;
  width: 370px;
  padding: 40px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}


.microsoft-logo img {
  height: 24px;
}
.email-label {
  font-size: 15px;
  color: #444;
  margin-bottom: 10px;
  font-family: "Segoe UI", Calibri, Arial, sans-serif;
}

h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
}

input[type="text"],
input[type="password"] {
  caret-color: black;
  width: 100%;
  font-size: 16px;         
  line-height: 1.6;        
  padding: 6px 0;          
  height: auto;
  border: none;
  border-bottom: 1px solid #888;
  margin-bottom: 25px;
  outline: none;
  box-sizing: border-box;
  font-family: "Segoe UI", "Meiryo UI", sans-serif;  
}


input::placeholder {
  color: #777;
}

.info-link {
  font-size: 13px;
  margin-bottom: 30px;
}

.info-link a {
  color: #0067b8;
  text-decoration: none;
}

.buttons {
  display: flex;
  justify-content: flex-end;
}

.btn-blue {
  background: #0067b8;
  color: white;
  padding: 8px 40px;
  font-size: 14px;
  border: none;
  cursor: pointer;
}

.signin-options {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  margin-top: 20px;
  background: white;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  font-size: 15px;
  width: 410px;
  border-radius: 2px;
}

.signin-options img {
  width: 30px;
  height: 30px;
  margin-right: 10px;
  margin-left: 20px;
}

/*  スライドインアニメーション */
@keyframes slideInFromRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.form-fields {
  animation: slideInFromRight 0.6s ease-out forwards;
  transform: translateX(100%);
  opacity: 0;
}