/* ベーススタイル */
body {
    font-family: Arial, sans-serif;
  }
  .container {
    max-width: 600px;
    margin: auto;
    padding: 20px;
  }
  h1 {
    text-align: center;
  }
  input {
    margin: 5px;
    padding: 10px;
    width: 10%;
  }
  button.calc {
    padding: 10px;
    width: 100%;
    background-color: #4caf50;
    color: white;
    border: none;
  }
  button.calc:hover {
    background-color: #59bb5c;
  }
  .result {
    background-color: #f4f4f4;
    padding: 20px;
    margin-top: 20px;
  }

  button {
    background-color: #2980b9;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}



h1, h2, h3 {
    color: #2c3e50;
}

button:hover {
    background-color: #3498db;
}

/* ナビゲーションバー */
.navbar {
    background-color: #2c3e50;
    padding: 10px 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.navbar a {
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    text-align: center;
}

.navbar a:hover {
    background-color: #34495e;
}

/* アコーディオンのスタイル */
.accordion {
    background-color: #2c3e50;
    color: white;
    cursor: pointer;
    padding: 10px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 16px;
    transition: 0.4s;
}

.accordion:hover {
    background-color: #34495e;
}

.accordion:after {
    content: '\002B'; /* "+" symbol */
    color: white;
    font-weight: bold;
    float: right;
    margin-left: 5px;
}

.accordion.active:after {
    content: "\2212"; /* "-" symbol */
}

.panel {
    padding: 0 18px;
    display: none;
    background-color: white;
    overflow: hidden;
}
pre {
    word-wrap: break-word;
    white-space: pre-wrap;
    background-color: #f4f4f4;
    padding:10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    overflow-x: auto;
    line-height: 1.6;
}
code {
    font-family: monospace;
}
div.column {
    border: solid 1px #ccc;
    background-color: aliceblue;
    border-radius: 5px;
    margin:10px;
    padding:10px;
}
code.gray {
    background-color: #eee;
    border-radius: 2px;
    border: solid 1px #ccc;
}