/* 九州大学将棋部HP 共通スタイルシート */
/* Box Sizing Border Box Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

/* 基本スタイルとリセット */
:root {
    --enji-color: #85023e;
    --enji-dark-color: #6f0132;
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-light-gray: #f4f4f4;
    --border-color: #dddddd;
    --title-font: 'Yuji Syuku', serif;
    --body-font: 'Zen Kaku Gothic New', sans-serif;
}

html {
    scroll-behavior: smooth; /* ページ内リンクのスムーズスクロール */
}
body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-light-gray);
    color: var(--text-dark);
    line-height: 1.7;
}

a {
    color: var(--enji-color);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
    color: var(--enji-dark-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}


.container, div#contents {
    width: 90%;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}
div#contents {
    padding: 30px 25px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-top: 1.5em;
}



/* ヘッダー */
body > header {
    background-color: var(--enji-color);
    color: var(--text-light);
    padding: 0.8em 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
}
body > header h1 {
    margin: 0 auto;
    margin-bottom: 0.3em;
    font-size: 2.2em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1100px;
}
body > header h1 span {
    color: var(--text-light);
    text-decoration: none;
    flex-grow: 1;
    text-align: center;
    font-family: var(--title-font);
    font-weight: normal;
    letter-spacing: 0.05em;
}
body > header h2 { /* スライダーを囲むh2 */
    width: 90%;
    max-width: 1100px;
    margin: 0px auto 0;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    overflow: hidden;
    padding: 15px;
}



/* コンテンツエリア */
div#contents > h1, div#contents h2, div#contents h3, div#contents h4, div#contents h5 {
    font-family: var(--body-font);
    font-weight: 700;
    color: var(--enji-color);
    border-bottom: 2px solid var(--enji-color);
    padding-bottom: 10px;
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}
div#contents h1 {font-size: 1.8em;margin-top: 0;}
div#contents h2 {font-size: 1.5em;}
div#contents h3 {font-size: 1.3em;}
div#contents h4 {font-size: 1.2em; border-bottom-width: 1px; padding-bottom: 8px; }
div#contents h5 {font-size: 1.1em; color: var(--text-dark); margin-top: 1.2em;}

div#contents p {

    margin-bottom: 1.2em;
    font-size: 1em;
    padding-left: 5px;
    padding-right: 5px;
}

/* ニュースセクション */
#news ul.news { list-style: none; padding: 0; }
#news ul.news li { margin-bottom: 25px; padding-left: 20px; border-left: 3px solid var(--enji-color); }
#news ul.news dt { font-weight: bold; color: var(--enji-dark-color); margin-bottom: 5px; font-family: var(--body-font); font-weight: 700;}
#news ul.news dd { margin-left: 0; margin-bottom: 8px; font-size: 1em; }
#news ul.news dl { margin-left: 0; font-size: 0.9em; color: #555; }
#news ul.news dl a { font-weight: bold; }

/* リンク集ページ特有のスタイル */
div#contents p a, div#contents h3 a {
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 8px;
    line-height: 1.5;
}

/* フッター */
footer {
    background-color: var(--enji-color);
    color: var(--text-light);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}
footer p {
    margin: 0;
    font-size: 0.9em;
}


/* ハンバーガーメニューボタンスタイル */
.custom-nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    width: 30px;
    height: 22px;
    position: relative;
}
.custom-nav-toggle span,
.custom-nav-toggle span::before,
.custom-nav-toggle span::after {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--text-light);
    border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.custom-nav-toggle span { top: calc(50% - 1.5px); }
.custom-nav-toggle span::before { top: -8px; }
.custom-nav-toggle span::after { bottom: -8px; }

.js-nav-active .custom-nav-toggle span { background-color: transparent; }
.js-nav-active .custom-nav-toggle span::before { top: 0; transform: rotate(45deg); }
.js-nav-active .custom-nav-toggle span::after { bottom: auto; top: 0; transform: rotate(-45deg); }


/* ナビゲーション */
nav.nav-collapse {
    background-color: var(--enji-dark-color);
    color: var(--text-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
nav.nav-collapse ul {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    width: 90%;
    max-width: 1100px;
}
nav.nav-collapse li {
    margin: 0;
}
nav.nav-collapse a {
    color: var(--text-light);
    text-decoration: none;
    padding: 12px 18px;
    display: block;
    transition: background-color 0.3s ease;
    font-family: var(--body-font);
    font-weight: 700;
}
nav.nav-collapse a:hover,
nav.nav-collapse li.active a {
    background-color: var(--enji-color);
}

/* responsive-nav.js スタイル */
.nav-toggle { display: none !important; }

/* JSが無効な場合のフォールバック */
html:not(.js) .custom-nav-toggle { display: none; }
html:not(.js) nav.nav-collapse ul { display: flex; flex-direction: column; align-items: center; }
html:not(.js) nav.nav-collapse li { width: 100%; text-align: center; border-bottom: 1px solid var(--enji-color); }
html:not(.js) nav.nav-collapse li:last-child { border-bottom: none; }


@media (max-width: 768px) {
    body > header h1 span { text-align: left; margin-left: 10px; font-size: 1.1em; }
    body > header h2 { margin-top: 0px; padding: 0px; }
    .js .custom-nav-toggle { display: block; margin-right: 10px; }

    .js nav.nav-collapse ul { display: none; flex-direction: column; width: 100%; align-items: center; }
    .js-nav-active nav.nav-collapse ul { display: flex !important; }
    .js-nav-active nav.nav-collapse li { margin: 0; width: 100%; text-align: center; border-bottom: 1px solid var(--enji-color); }
    .js-nav-active nav.nav-collapse li:last-child { border-bottom: none; }
    .js-nav-active nav.nav-collapse a {
        padding: 12px 15px;
        border-radius: 0;
        background-color: var(--enji-dark-color);
        color: var(--text-light);
        display: block;
    }
    .js-nav-active nav.nav-collapse a:hover {
         background-color: var(--enji-color);
    }

    div#contents { padding: 20px 15px; }
    main#main-content h1, div#contents > h1 { font-size: 1.6em; }
    main#main-content h2, div#contents h2 { font-size: 1.3em; }
    main#main-content h3, div#contents h3 { font-size: 1.1em; }
    main#main-content p, div#contents p { padding-left: 0; padding-right: 0; }

    #contents-wrapper { flex-direction: column; }
    main#main-content, aside#sidebar { width: 100%; margin-bottom: 20px; }
    aside#sidebar { min-width: unset; }
}
/* bxSlider CSS */
.bx-wrapper { position: relative; margin: 0 auto 0px; padding: 0; *zoom: 1; -ms-touch-action: pan-y; touch-action: pan-y; }
.bxslider { margin: 0; padding: 0; }
ul.bxslider { list-style: none; }
.bx-viewport { -webkit-transform: translatez(0); }
.bx-wrapper { background: #ffffff; }
.bx-wrapper .bx-pager, .bx-wrapper .bx-controls-auto { position: absolute; bottom: 10px; width: 100%; }
.bx-wrapper .bx-loading { min-height: 50px; background: #fff; height: 100%; width: 100%; position: absolute; top: 0; left: 0; z-index: 2000; }
.bx-wrapper .bx-pager { text-align: center; font-size: .85em; font-family: Arial, sans-serif; font-weight: bold; color: #666; padding-top: 20px; }
.bx-wrapper .bx-pager.bx-default-pager a { background: #666; text-indent: -9999px; display: block; width: 10px; height: 10px; margin: 0 5px; outline: 0; border-radius: 5px; }
.bx-wrapper .bx-pager.bx-default-pager a:hover, .bx-wrapper .bx-pager.bx-default-pager a.active, .bx-wrapper .bx-pager.bx-default-pager a:focus { background: var(--enji-color); }
.bx-wrapper .bx-pager-item, .bx-wrapper .bx-controls-auto .bx-controls-auto-item { display: inline-block; vertical-align: bottom; *zoom: 1; *display: inline; }
.bx-wrapper .bx-pager-item { font-size: 0; line-height: 0; }
.bx-wrapper .bx-controls-auto { text-align: center; }
.bx-wrapper .bx-controls-auto .bx-start { display: block; text-indent: -9999px; width: 10px; height: 11px; outline: 0; margin: 0 3px; }
.bx-wrapper .bx-controls-auto .bx-stop { display: block; text-indent: -9999px; width: 9px; height: 11px; outline: 0; margin: 0 3px; }
.bx-wrapper .bx-controls.bx-has-controls-auto.bx-has-pager .bx-pager { text-align: left; width: 80%; }
.bx-wrapper .bx-controls.bx-has-controls-auto.bx-has-pager .bx-controls-auto { right: 0; width: 35px; }
.bx-wrapper .bx-caption { position: absolute; bottom: 0; left: 0; background: rgba(0, 0, 0, 0.75); width: 100%; }
.bx-wrapper .bx-caption span { color: #fff; font-family: Arial, sans-serif; display: block; font-size: .85em; padding: 10px; }