/* style.css */

/* --- フォント --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Scheherazade+New:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;700&display=swap');

:root {
    --border-color: #e0e0e0;
    --highlight-color: #F1F7FF;
    --sidebar-width: 35%;
    --header-height: 50px;
    --content-header-height: 55px;
    --content-max-width: 800px;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0;
    background-color: #fff;
}

/* --- 共通ヘッダー --- */
.site-header {
    padding: 10px 20px;
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    box-sizing: border-box;
    position: sticky;
    top: 0;
    background-color: #fff;
    z-index: 200;
}
.site-header h1 { margin: 0; font-size: 1.5em; }
.site-header a { text-decoration: none; color: inherit; }

/* --- index.html スタイル --- */
.index-page .view-container { max-width: var(--content-max-width); margin: 0 auto; padding: 20px; }
.index-page .list-title { font-size: 2em; font-weight: bold; margin-bottom: 1.5rem; font-family: 'Noto Serif JP', serif; }
.index-page #surah-list-view { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.index-page .surah-link { display: block; padding: 1rem; border: 1px solid var(--border-color); border-radius: 5px; text-decoration: none; color: inherit; transition: background-color 0.2s, border-color 0.2s; }
.index-page .surah-link:hover { background-color: #f9f9f9; border-color: #ccc; }
.index-page .surah-link h3 { margin: 0 0 5px 0; font-family: 'Noto Serif JP', serif; }
.index-page .surah-info { font-size: 0.9em; color: #777; }

/* --- surah.php レイアウト --- */
.surah-page .page-container { display: flex; }
.surah-page .main-content-wrapper { flex-grow: 1; min-width: 0; }
.surah-page .content-header {
    display: flex;
    justify-content: center;
    position: sticky;
    top: var(--header-height);
    z-index: 100;
    height: var(--content-header-height);
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    border-top: 4px solid #4C82A7;
    box-sizing: border-box;
}
.surah-page .header-inner-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    box-sizing: border-box;
}
.surah-page .content-header h2 {
    margin: 0;
    font-size: 1.2em;
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
}
.surah-page .close-button {
    text-decoration: none;
    color: #888;
    font-size: 1.8em;
    line-height: 1;
    /* ★ 修正点: 位置を調整 */
    position: absolute;
    left: 0;
}

.surah-page .view-container { max-width: var(--content-max-width); margin: 0 auto; padding: 20px; }

/* アーヤ表示スタイル */
.surah-page .ayah-box { padding: 0.75rem 1rem; cursor: pointer; border-radius: 5px; }
.surah-page .ayah-box.selected { background-color: var(--highlight-color); }
.surah-page .ayah-number { font-size: 0.9em; color: #888; }
.surah-page .arabic-text {
    font-family: 'Scheherazade New', serif;
    font-size: 2em;
    line-height: 2.2; /* ★ 修正点: 行間を広げる */
    direction: rtl;
    text-align: right;
}
.surah-page .japanese-text { font-family: 'Noto Serif JP', serif; font-size: 1.0em; color: #555; margin-top: 10px; }

/* --- サイドバー --- */
.surah-page aside {
    width: var(--sidebar-width);
    min-width: 300px;
    border-left: 1px solid var(--border-color);
    flex-shrink: 0;
    display: none;
    position: sticky;
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
}
.surah-page.sidebar-open aside {
    display: flex;
    flex-direction: column;
}
.surah-page .sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #e9ecef;
    border-bottom: 1px solid var(--border-color);
    height: var(--content-header-height);
    box-sizing: border-box;
}
.surah-page .sidebar-header h3 { margin: 0; font-size: 1.2em; }
.surah-page aside .close-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: static;
}
.surah-page #sidebar-content {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
    background-color: #f8f9fa;
}