body, html {
  margin: 0;
  padding: 0;
  font-family: "Hiragino Mincho ProN", "Times New Roman", serif;
  min-height: 100%;
  background: url('img/background_sv.jpg') no-repeat center center fixed;
  background-size: cover;
  overflow-x: hidden;
}

.overlay {
  background-color: rgba(255, 255, 255, 0.8);
  min-height: 100%;
  width: 100%;
  display: flex;
  justify-content: start;
  align-items: center;
  flex-direction: column;
  padding-top: 10vh;
  padding-bottom: 10vh;
  box-sizing: border-box;
}

.container {
  text-align: center;
  max-width: 600px;
  margin: auto;
  padding-bottom: 100px;
}

.logo {
  width: 150px;
  margin-bottom: 20px;
}

h2 {
  font-size: 72px;
  margin-top: 0;
  line-height: 1;
}

h1, p {
  font-size: 13px;
}

a {
color:#515151;
text-decoration:underline;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 50px;
    margin-bottom: 50px;
    justify-content: center;
    align-items: center;
}

form input, form textarea {
  padding: 10px;
  font-family: inherit;
  font-size: 13px;
  width: 80%;
  box-sizing: border-box;
}

form button {
  padding: 10px;
  font-family: inherit;
  background-color: #222;
  color: white;
  border: none;
  cursor: pointer;
  width: 80px;
  margin: 0 auto;
}

footer {
  width: 100%;
  background-color: #222;
  color: #fff;
  text-align: center;
  padding: 10px 0;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 1000;
}

.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.fade-in:nth-child(n) {
  animation-delay: 0s;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}