#heada{
    margin-top: 100px;
}
.Topic{
    text-align: center;
    margin-bottom: 40px;
}
.buttons {
    width: 100%;
    margin: 0 auto;
}
.button {
    margin: 10px 5px;
    padding: 10px 20px;
    background: linear-gradient(45deg,#FFA500,#ff62ff );
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    position: relative;
    animation: moveButton 2s infinite alternate, gradientAnimation 5s linear infinite;
    background-size: 200% 200%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
}


.hiragana-container {
    width: 70%;
    text-align: center;
    margin: 0 auto;
    display: none;
}


.toggle-btn {
  background: linear-gradient(135deg, #0078d4, #005fa3);
  color: white;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
  font-weight: 500;
}

.toggle-btn:hover {
  background: linear-gradient(135deg, #005fa3, #004a87);
  transform: translateY(-2px);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.25);
}

.toggle-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.toggle-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.3);
}
.toggle-btn {
  margin-left: 22.5%;
  margin-bottom: 10px;
}

table{
    margin: 0 auto;
    width: 100%;
    user-select: none;
    border-collapse: collapse;
    margin-bottom: 100px;
}
table th{
    border: 1px solid #ccc;
}
tbody td{
    border: 1px solid #ccc;
    padding: 10px;
}
th:nth-child(1),
td:nth-child(1) {
    width: 30%;
}
th:nth-child(2),
td:nth-child(2) {
    width: 30%;
}
th:nth-child(3),
td:nth-child(3) {
    width: 30%;
}