* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  background-color: #EAEFEF;
  min-height: 100vh;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  position: relative;
}

.main {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
  max-width: 900px;
  padding: 1rem;
}

.main h1 {
  font-size: 8rem;
  text-shadow: 2px 2px 10px;
}

.main #joke {
  font-size: 1.5rem;
  text-align: center;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: center;
}

button {
  font-family: "Noto Sans JP", sans-serif;
  padding: 1rem;
  font-size: 1rem;
  cursor: pointer;
  display: block;
  width: 170px;
  border: none;
  border-radius: .5rem;
  font-weight: 500;
  letter-spacing: .1rem;
  transition: all ease .3s;
}

#generate-btn {
  background-color: #23476e;
  color: #fff;
}

#generate-btn:hover {
  background-color: #377bc4;
}

#copy-btn {
  background-color: #1a5c18;
  color: #fff;
}

#copy-btn:hover {
  background-color: #1a753d;
}

.popup {
  background-color: #23476e;
  padding: 1rem;
  color: white;
  border-radius: .5rem;
  position: fixed;
  right: -200%;
  top: 1rem;
  user-select: none;
  transition: all ease .3s;
}

.popup.show {
  right: 1rem;
}