@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300&display=swap");

body {
  font-family: "Noto Sans JP", sans-serif;
  overflow-x: hidden;
  width: 100%;
}

header {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  vertical-align: middle;
  justify-content: center;
  height: 20vh;
  margin: 30px;
}

header > img {
  height: 50%;
}

form h1 {
  margin-bottom: 15px;
}

.error-txt {
  display: none;
  color: #721c24;
  background: #f8d7da;
  padding: 8px 10px;
  text-align: center;
  border-radius: 5px;
  border: 1px solid #f5c6cb;
  margin-bottom: 20px;
}

main {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  vertical-align: middle;
}

form {
  width: 80%;
}

.input-container {
  box-shadow: 0px 0px 320px #333;
  display: flex;

  width: 100%;
  margin-bottom: 25px;
}

.icon {
  padding: 10px;
  background: #000000;
  color: rgb(255, 255, 255);
  min-width: 30px;
  text-align: center;
  border-radius: 5px;
}

.input-field {
  width: 100%;
  padding-left: 5px;
  margin-left: -4px;
  outline: none;
}

@media screen and (min-width: 681px) {
  form {
    width: 60%;
  }
  * {
    font-size: 1.5rem;
  }
  h1 {
    font-size: 2rem;
  }
}

@media screen and (min-width: 1166px) {
  form {
    width: 30%;
  }
  * {
    font-size: 1.2rem;
  }

  h1 {
    font-size: 1.5rem;
  }
}