/* ------------------------
◆ body
---------------------------*/
body {
    font-family: 'Helvetica Neue', sans-serif;
    background-color: #fff;
    color: #333;
    margin: 0;
    padding: 0;
}

/* ------------------------
◆ main
---------------------------*/
main {
    margin: 50px;
}
/* ------------------------
◆ header
---------------------------*/
nav {
    text-align: center;
    background-color: #333;
    height: 50px;
}

nav ul {
    display: inline-block;
    list-style: none;
    padding: 0;
    margin: 0;
}

nav li {
    float: left;
}

nav a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

nav li.active {
    background-color: #555;
}

nav li.active a {
    color: #fff;
}

nav a:hover {
    background-color: #555;
}

/* ------------------------
◆ Material説明
---------------------------*/

/* ------------------------
◆ Material説明
---------------------------*/
/* h2 {
    position: relative;
    margin-bottom: 0.2rem;
    padding: 1rem;
    border-left: 30px solid #EF9293;
    background-color: white;
    color: #212121;
    font-weight: bold;
    font-size: 23px;
}

h2::before {
    position: absolute;
    right: 1px;
    bottom: 10px;
    width: 50%;
    height: 50%;
    transform: rotate(4deg);
    z-index: -1;
    content: '';
}
  
/* ------------------------
◆ Material説明
---------------------------*/
/*
#content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

#content ul li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1em;
    margin-bottom: 0.5em;
    border-radius: 5px;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.1);
    background-color: #f7f7f7;
    color: #444444;
    font-size: 1em;
    font-weight: 400;
    line-height: 1.5;
    transition: background-color 0.2s ease;
}

#content ul li:hover {
    background-color: #e0e0e0;
}

#content ul li a {
    color: #1e88e5;
    text-decoration: none;
    transition: color 0.2s ease;
}

#content ul li a:hover {
    color: #1565c0;
}

#content li p {
    margin: 10px 0;
    font-size: 14px;
    line-height: 1.5;
} 
*/

#content ul li span {
    margin-right: 1em;
    color: brown;
    font-size: 0.8em;
}

/* ------------------------
◆ 更新履歴
---------------------------*/
/* .note {
    max-width: 500px;
    margin: 50px auto;
    background-color: #fff5e6;
    border: 1px solid #ffcc99;
    border-radius: 10px;
    padding: 20px;
    font-family: Arial, sans-serif;
}

.note h1 {
    font-size: 24px;
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
}

.note ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.note li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.note .date {
    font-size: 14px;
    font-weight: bold;
    color: #333;
    display: inline-block;
    width: 120px;
    font-weight: bold;
}

.note .text {
    font-size: 14px;
    color: #333;
    display: inline-block;
    width: calc(100% - 120px);
}
*/

/* ------------------------
◆ ディレクトリ構造
---------------------------*/
pre.highlight {
    padding: 1em 1.5em;
    margin: 2em 0;
    background-color:#f4f9ff;
    border:1px solid #84c1ff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}
pre {
    margin: 0; 
    padding: 0;
    color:#000000;
}