body {
  color: #eaeaed;
  background-color: #242329;
}

#result td:nth-child(1) {
  border: 1px solid blue;
}

#result td:nth-child(2) {
  border: 1px solid green;
}

.phoneme_ex {
  font-size: 12px;
}

.phoneme {
  cursor: pointer;
  font-weight: bold;
  color: black;
  background-color: #63a6e9;
  border: 2px outset;
  border-radius: 5px;
  width: 16px;
  display: inline-block;
  text-align: center;
}

.slash {
  color: gray;
}

.source {
  font-size: 10px;
  color: gray;
}

input[type="text"] {
  color: white;
  background-color: #454349;
  border: 2px inset;
  border-radius: 5px;
}

input[type="button"] {
  color: black;
  background-color: #63a6e9;
  border: 2px outset;
  border-radius: 5px;
}

input:invalid {
  box-shadow: 0 0 5px 1px red;
}

input:valid {
}

.toggleBlock {
  border-style: solid;
  border-width: 1px;
  border-color: black;
  border-radius: 4px 4px 0 0;
  padding: 3px;
  margin: 4px;
}

.toggleShow,
.toggleHide {
  cursor: pointer;
  font-weight: bold;
}

.toggleShow::before {
  content: "▼ ";
}

.toggleShow + div {
  display: block;
}

.toggleHide::before {
  content: "▶ ";
}

.toggleHide + div {
  display: none;
}