/* 基本設定 */
body {
    background-color: #ffffff;
    color: #1a1a1a;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Meiryo", sans-serif;
    line-height: 1.7;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ヘッダー */
header {
    margin-top: 40px;
    border-bottom: 2px solid #000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

h1 {
    font-size: 2.5rem;
    margin: 0;
    font-weight: 900;
    letter-spacing: -1px;
}

.lang-nav {
    font-size: 0.8rem;
    font-weight: bold;
}

.page-nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 20px;
    margin: 15px 0;
}

.page-nav a {
    text-decoration: none;
    color: #000;
    font-size: 0.85rem;
    text-transform: uppercase;
}

/* セクション */
section {
    margin-bottom: 80px;
}

h2 {
    border-left: 8px solid #000;
    padding-left: 15px;
    margin: 60px 0 20px 0;
    font-size: 1.5rem;
    text-transform: uppercase;
}

h3 {
    border-bottom: 1px solid #000;
    display: inline-block;
    padding-right: 30px;
    margin: 30px 0 15px 0;
}

/* テーブル */
.table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
}

table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.9rem;
}

th {
    background-color: #f0f0f0;
    border: 1px solid #000;
    padding: 12px;
}

td {
    border: 1px solid #000;
    padding: 10px;
}

.monospace {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* 特殊コンポーネント */
.code-block {
    background-color: #f9f9f9;
    border: 1px dashed #000;
    padding: 15px;
    margin: 20px 0;
    font-family: monospace;
    font-size: 0.95rem;
    word-break: break-all;
}

/* 概要画像のための特定スタイル */
.overview-img {
    margin: 20px 0; /* 画像の上下にマージンを追加し、テキストとの間隔を作る */
    display: block; /* ブロック要素として配置（必要に応じて） */
}

.btn, .btn-github {
    display: inline-block;
    border: 1px solid #000;
    padding: 8px 16px;
    text-decoration: none;
    color: #000;
    font-weight: bold;
    margin-right: 10px;
    transition: background 0.2s;
}

.btn:hover, .btn-github:hover {
    background-color: #000;
    color: #fff;
}

.feature-list {
    padding-left: 20px;
}

.feature-list li {
    margin-bottom: 10px;
}

.connection-list {
    margin: 0.5em 0 1em 0;
    padding-left: 1.2em;
    font-size: 0.95em;
    line-height: 1.6;
}

.connection-list li {
    margin-bottom: 0.5em;
}

.connection-list em {
    color: #666;
    font-size: 0.9em;
    font-style: normal;
}

footer {
    border-top: 1px solid #000;
    margin-top: 100px;
    padding: 20px 0 60px 0;
    font-size: 0.8rem;
    text-align: center;
}

/* レスポンシブ */
@media (max-width: 600px) {
    body { padding: 0 20px; }
    .page-nav ul { flex-wrap: wrap; gap: 10px; }
}