*,
*::after,
*::before {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}
html {
  font-size: 62.5%;
  height: 100%;
  scroll-behavior: smooth;
}
body {
  box-sizing: border-box;
  color: #fff;
  font-family: sans-serif;
  font-weight: 400;
}
.required {
  background-color: rgba(0, 0, 0, 0.77);
  color: red;
  display: block;
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 0.7em;
}
.header--copy {
  background-color: rgba(0, 0, 0, 0.77);
  color: #fff;
}
.btn {
  background: #1abebf;
  background-image: linear-gradient(122deg, #00d4ff, #00d4ff);
  background-size: 300px, 300px, 100%;
  border: 0;
  border-bottom: 5px solid magenta;
  box-shadow: 0 0 3px 3px rgb(0 0 0 / 5%);
  color: #000;
  cursor: pointer;
  display: inline-block;
  font-size: 30px;
  line-height: 1;
  margin: 5px;
  margin-top: 30px;
  outline: 0;
  padding: 10px;
  position: relative;
  text-decoration: none;
  text-shadow: 0 0 3px rgb(0 0 0 / 30%);
  transition: all 1s ease-in-out;
}
.btn:hover {
  background-image: linear-gradient(122deg, magenta, magenta);
  border-bottom: 5px solid #00d4ff;
  box-shadow: 0 0 3px 3px rgb(0 0 0 / 8%);
  cursor: pointer;
}
.label-for-checking {
  background-color: #000;
  border: 1px solid magenta;
  border-radius: 2px;
  color: white;
  cursor: pointer;
  display: inline-block;
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 2px;
  margin-right: 1px;
  padding: 8px;
  user-select: none;
}
.label-for-checking-active {
  background-color: magenta;
  color: #000;
}
.label-list {
  background-color: #000;
  border: 1px solid #00ff4c;
  border-radius: 2px;
  color: white;
  cursor: pointer;
  display: inline-block;
  font-size: 20px;
  font-weight: bold;
  margin: 5px;
  padding: 8px;
  user-select: none;
}
.input {
  border: none;
  border-radius: 5px;
  color: #333;
  font-size: 20px;
  margin: 1.5rem 0;
  min-width: 500px;
  padding: 1.5rem 0.5rem;
  text-align: center;
}
.form__select--select {
  background-clip: padding-box;
  background-color: #fff;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
  color: #495057;
  display: block;
  font-size: 2rem;
  line-height: 1.5;
  padding: 0.375rem 0.75rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  width: 100%;
}
.form__select--box {
  margin: 2px;
  margin-top: 10px;
  min-width: 150px;
}
.form__select--select {
  border-radius: 5px;
  color: #333;
  font-size: 20px;
  padding: 1.1rem 0.5rem;
}
.content--p-1 {
  color: #00d4ff;
  font-size: 18px;
  font-weight: bold;
  margin-top: 10px;
  text-shadow: 0 0 5px #000;
}
.footer {
  background: lightgray;
  bottom: 0;
  color: #000;
  display: flex;
  height: 10px;
  position: fixed;
  width: 100%;
}
.footer p {
  align-items: center;
  display: flex;
  font-size: 16px;
  justify-content: center;
  width: calc(100% / 6);
}
.footer--active {
  background-color: magenta;
}
.shadow-dance-container {
  margin-bottom: 50px;
  transform: rotate(-8deg);
}
.shadow-dance-text {
  animation: shadow-dance 3s infinite;
  color: #fff;
  font-size: 5rem;
  font-weight: bold;
  line-height: 1;
  text-shadow: 5px 5px 0 magenta, 10px 10px 0 #00d4ff;
}
@keyframes shadow-dance {
  0%,
  100% {
    text-shadow: 5px 5px 0 magenta, 10px 10px 0 #00d4ff;
  }
  50% {
    text-shadow: -5px -5px 0 #00d4ff, -10px -10px 0 magenta;
  }
}
.content {
  align-items: center;
  display: flex;
  justify-content: center;
  margin-top: 300px;
}
.content--bg {
  text-align: center;
  width: 40%;
}
.content--p-2 {
  background-color: rgba(0, 0, 0, 0.77);
  color: #fff;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
}
.container__box-2--form {
  align-items: center;
  display: none;
  flex-direction: column;
  padding: 2rem;
}
.form__select {
  display: flex;
  flex-direction: row;
}
@media only screen and (min-width: 1500px) {
  html {
    font-size: 72.5%;
  }
}
@media only screen and (max-width: 800px) {
  .content--bg {
    width: 100%;
  }
  .form__select {
    flex-direction: column;
  }
  .content {
    margin-top: 190px;
  }
  .btn {
    font-size: 24px;
    margin-top: 20px;
    padding: 8px;
  }
  .shadow-dance-text {
    font-size: 4.5rem;
  }
  .input {
    min-width: 300px;
  }
  .content--p-2 {
    font-size: 2rem;
  }
}
@media only screen and (max-width: 360px) {
  .content {
    margin-top: 90px;
  }
  .shadow-dance-text {
    font-size: 3.5rem;
  }
}