/* Reset and base styles */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	color: #333333;
	margin: 2px;
	background: #FFFFFF;
}

h1 {
	margin: 10px 0;
	font-weight: bold;
	text-align: center;
	text-decoration: underline;
}

h2 {
	border-style: solid;
	border-color: #2D0054;
	padding: 5px 0 0 10px;
	border-width: 0 0 5px 20px;
}

h3 {
	border-style: solid;
	border-color: #2D0054;
	padding: 5px 0 0 10px;
	border-width: 0 0 2px 5px;
}

h4 {
	margin: 10px 0;
	font-weight: bold;
}

/* Header styles */
header {
	background-color: #2D0054;
	color: white;
	text-align: center;
	padding: 2rem 1rem;
}

header p {
	margin-bottom: 0.5rem;
}

header h1 {
	font-size: 2rem;
	margin-bottom: 0.5rem;
}

header a {
	text-decoration: none;
	color: inherit;
}

@media (min-width: 768px) {
	header h1 {
		font-size: 2.5rem;
	}
}

/* Container */
.container {
	max-width: 1100px;
	margin: 0 auto;
	padding: 1rem;
}

/* Grid layout */
.grid {
	display: grid;
	gap: 1rem;
}

@media (min-width: 768px) {
	.grid {
		grid-template-columns: 200px 600px 200px;
	}
}

/* Navigation */
nav {
	background-color: #eae0f8;
	border-radius: 4px;
	padding: 1rem;
}

nav ul {
	list-style-type: none;
}

nav ul li {
	margin-bottom: 0.5rem;
}

nav ul li a {
	display: block;
	padding: 0.5rem;
	border-radius: 4px;
}

nav ul li a:hover {
	background-color: #f0f0f0;
}

/*特定のメニューバーの位置を別の色にしたいとき*/
/*---------------------------------
nav ul li:first-child a {
	background-color: #2D0054;
	color: white;
}

nav ul li:first-child a:hover {
	background-color: #3a006d;
}
*/---------------------------------


/* Main content */
main p {
    padding: 0 2rem !important; /* 強制的に適用 */
}


.hero-slideshow {
	width: 100%;
	height: 400px;
	position: relative;
	overflow: hidden;
}

.hero-slideshow img {
	width: 100%;
	height: 400px;
	object-fit: cover;
	position: absolute;
	top: 0;
	left: 0;
	opacity: 0;
	transition: opacity 1s ease-in-out;
}

.hero-slideshow img.active {
	opacity: 1;
}

.content {
	padding: 1rem;
}
.content  p{
	padding: 0.5rem 1rem 0.5rem 0rem;  /* 上右下左 */
}
.comment{
	color: #000000;
	border: 1px solid #000000;
	padding: 5px;
	margin-left: 10px;
	margin-right: 10px;
	background: #ffead6
}
td {
    padding: 3px; /* 上下左右に10pxの余白を追加 */
}

.comment_white{
	color: #000000;
	border: none;
	padding: 5px;
	margin-left: 10px;
	margin-right: 10px;
	background: #ffffff;
}
.padded-list {
    padding: 0 2rem; 
}
/* Sponsors */
.sponsors {
	background-color: #eae0f8;
	border-radius: 4px;
	padding: 1rem;
}

.sponsors h3 {
	background-color: #2D0054; /* 背景色（濃い紫） */
	color: white; /* 文字色を白に */
	text-align: center; /* 文字を中央寄せ */
	padding: 0.5rem; /* 内側の余白を少し取る（上下左右） */
	border-radius: 4px; /* 角を少し丸くする */
	margin-bottom: 1rem; /* 下にスペースを空ける（他の要素と間を取る） */
}


.sponsor-logo {
	display: flex; /* フレックスボックスで子要素を配置 */
	justify-content: center; /* 横方向中央揃え */
	align-items: center; /* 縦方向中央揃え */
	margin-bottom: 1rem; /* 下にスペースを空ける */
}


.sponsor-logo img {
	width: 150px; /* 横幅を固定 */
	height: 100%; /* 高さは親要素に合わせる（あまり効かない場合もあり） */
	object-fit: contain; /* 画像の縦横比を保持しつつ枠内に収める */
}

/* Mobile menu */
.mobile-menu-toggle {
	display: none;
	position: fixed;
	top: 1rem;
	right: 1rem;
	z-index: 1000;
	background-color: white;
	border: 1px solid #2D0054;
	color: #2D0054;
	padding: 0.5rem;
	border-radius: 4px;
}

.hamburger {
	width: 25px;
	height: 20px;
	position: relative;
	transform: rotate(0deg);
	transition: .5s ease-in-out;
	cursor: pointer;
}

.hamburger span {
	display: block;
	position: absolute;
	height: 2px;
	width: 100%;
	background: #2D0054;
	border-radius: 3px;
	opacity: 1;
	left: 0;
	transform: rotate(0deg);
	transition: .25s ease-in-out;
}

.hamburger span:nth-child(1) {
	top: 0px;
}

.hamburger span:nth-child(2) {
	top: 8px;
}

.hamburger span:nth-child(3) {
	top: 16px;
}

.overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: 998;
}

.overlay.active {
	display: block;
}

@media (max-width: 767px) {
	.mobile-menu-toggle {
		display: block;
	}

	nav {
		display: none;
		position: fixed;
		top: 0;
		right: 0;
		bottom: 0;
		width: 250px;
		background-color: #eae0f8;
		z-index: 999;
		overflow-y: auto;
		transform: translateX(100%);
		transition: transform 0.3s ease-in-out;
	}

	nav.active {
		display: block;
		transform: translateX(0);
	}
}

/* Sample tab styles */
.sample {
	width: 100%;
}

.sampletabbox {
	margin: 0;
	padding: 0;
	width: 540px;
}

.sampletabs {
	margin: 0;
	padding: 0;
	overflow: hidden;
}

.sampletabs a {
	display: block;
	width: 5em;
	float: left;
	margin: 0 1px 0 0;
	padding: 3px;
	text-align: center;
	border-radius: 12px 12px 0 0;
	cursor: pointer;
}

.sampletab1 {
	background-color: blue;
	color: white;
}

.sampletab2 {
	background-color: red;
	color: white;
}

.sampletab3,
.sampletab4,
.sampletab5 {
	background-color: darkslategray;
	color: white;
}

.sampletabs a:hover {
	color: yellow;
	text-decoration: underline;
}

.sampletab {
	height: 120px;
	overflow: auto;
	clear: left;
	display: none;
	padding: 10px;
	border: 3px solid transparent;
}

.sampletab.active {
	display: block;
}

.sampletab.active.blue-border {
	border-color: blue;
	background-color: #eaf4fc;
}

.sampletab.active.red-border {
	border-color: red;
	background-color: #ffcccc;
}

.sampletab.active.darkslategray-border {
	border-color: darkslategray;
	background-color: #f0f0f0;
}

.tabhead {
	font-weight: bold;
	border-bottom: 3px double gray;
}