@charset "utf-8";
/***** 全体 *****/
.l-wrap__r {
	background: var(--base-color) url("../images/img_contents_bg.jpg") no-repeat center / cover;
	background-attachment: fixed;
}

.l-inner {
	margin: 0 3rem 3rem;
} 

.l-contents {
	min-height: 800px;
	padding: 3rem;
	background-color: #fff;
}

.c-item {
	margin-bottom: 3rem;
}

.c-item__in {
	margin-bottom: 2rem;
}

.c-item:last-child,
.c-item__in:last-child {
	margin-bottom: 0;
}

@media screen and (max-width: 768px){
	.l-inner {
		margin: 0 1.5rem;
		padding: 1.5rem 0 3rem;
	}
	
	.l-contents {
		padding: 1.5rem;
	}
}

/***** 準備中ページ *****/
.c-under__txt {
	display: flex;
	align-items: center;
	min-height: 200px;
	margin-left: 100px;
	font-size: 1.8rem;
}

@media screen and (max-width:768px) {
	.c-under__txt {
		font-size: 1.6rem;
		margin-left: 30px;
	}
}

/***** header *****/
.l-header__ttl a {
	font-size: 3.6rem;
}

.l-header__sub {
	font-size: 2.2rem;
}

@media screen and (max-width: 768px){
	.l-header__ttl a {
		font-size: 1.8rem;
	}
	
	.l-header__sub {
		font-size: 1.4rem;
	}
}

/***** 見出し *****/
.c-title__main {
	font-size: 2.8rem;
	font-weight: 500;
	letter-spacing: 0.08em;
	color: #fff;
	margin-bottom: 3rem;
	padding: 2rem 2.4rem;
	background-color: #000;
}

.c-title__main:first-letter {
	color: var(--base-color);
} 

.c-title__large {
	font-size: 2.2rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	color: var(--sub-color);
	border-top: double 7px var(--sub-color);
	border-bottom: solid 3px var(--sub-color);
	padding: 0.5rem 0;
	margin-bottom: 3rem;
}

.c-title__medium {
	font-size: 2rem;
	font-weight: 600;
	margin-bottom: 2rem;
	padding-left: 1.2rem;
	background-image: linear-gradient(var(--sub-color) 50%, var(--base-color) 50%);
	background-repeat: no-repeat;
	background-size: 0.5rem 100%;
}

.c-title__small {
	position: relative;
	margin-bottom: 2rem;
	padding-left: 2rem;
	font-size: 1.8rem;
	font-weight: 600;
}

.c-title__small::after {
	position: absolute;
	top: 10px;
	left: 0;
	content: '';
	width: 12px;
	height: 12px;
	background-color: var(--base-color);
	transform: rotate(45deg);
	z-index: 2;
}

.c-title__sub {
	font-weight: 700;
	margin: 1rem 0 2rem;
	color: var(--sub-color);
}

@media screen and (max-width: 768px){
	.c-title__main {
		margin-bottom: 1.5rem;
		padding: 1.5rem;
		font-size: 2rem;
	}
	
	.c-title__large {
		margin-bottom: 1.5rem;
		font-size: 1.8rem;
	}
	
	.c-title__medium {
		font-size: 1.6rem;
		margin-bottom: 2rem;
	}
	
	.c-title__small {
		font-size: 1.6rem;
		margin-bottom: 1.5rem;
	}
	
	.c-title__sub {
		margin: 1rem 0 1.5rem;
	}
}

/***** テキスト *****/
.c-txt__large {
	font-size: 2.2rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	color: var(--sub-color);
}

@media screen and (max-width: 768px){
	.c-txt__large {
		font-size: 1.8rem;
	}
}

/***** ボックス *****/
.c-box {
	margin-bottom: 20px;
	padding: 30px;
}

.c-box__gray {
	background-color: #f5f5f5;
}

.c-box__yellow {
	border: 2px solid var(--base-color);
}

.c-box__red {
	border: 2px solid #cc0000;
}

@media screen and (max-width:768px){
	.c-box {
		padding: 20px;
	}
}

/***** 画像 *****/
.c-ph__full {
	margin: 20px 0;
}

.c-ph__full__500 {
	max-width: 500px;
	margin: 20px auto;
}

.c-ph__s {
	width: 100%;
	max-width: 180px;
	margin: 0 auto;
}

/***** テーブル *****/
.c-table {
	width: 100%;
}

.c-table th {
	padding: 10px;
	font-weight: 600;
	text-align: center;
	border: 1px solid #000;
	background-color: var(--base-color);
}

.c-table td {
	padding: 10px;
	border: 1px solid #000;
	text-align: center;
}

/***** スマホテーブル *****/
@media screen and (max-width:768px) {
	.js-scrollable {
		overflow-x: scroll;
		width: 100%;
	}
}

/***** アコーディオン *****/
.c-accordion__btn {
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	margin: 20px auto 0;
	padding: 20px 0;
	font-weight: bold;
	text-align: center;
	color: #fff;
	background-color: var(--sub-color);
	border: var(--sub-color) 3px solid;
	border-radius: 3px;
	transition: all 0.4s;
	width: 50%;
	cursor: pointer;
}

.c-accordion__btn:hover {
	color: var(--sub-color);
	background-color: #fff;
}

.c-accordion__btn::after {
	transform: translateY(-25%) rotate(45deg);
	width: 7px;
	height: 7px;
	margin-left: 10px;
	border-bottom: 3px solid #fff;
	border-right: 3px solid #fff;
	content: '';
	transition: transform .3s;
}

.c-accordion__btn:hover::after {
	border-color: var(--sub-color);
}

.c-accordion__box[open] .c-accordion__btn::after {
	transform: rotate(225deg);
}

.c-accordion__contents {
	transform: translateY(-10px);
	opacity: 0;
	transition: transform .5s, opacity .5s;
	margin-top: 20px;
}

.c-accordion__box[open] .c-accordion__contents {
	transform: none;
	opacity: 1;
}

@media screen and (max-width: 768px){
	.c-accordion__btn {
		width: 100%;
		padding: 10px 0;
	}
}

/***** モーダルウインドウ *****/
.c-modal__image:hover {
	opacity: 0.7;
	transition: 0.5s;
}

/***** 開催概要 *****/
.p-outline__dl dl {
	display: flex;
}

.p-outline__dl dt {
	border-bottom: 2px solid var(--base-color);
	padding: 2rem 0;
	width: 20%;
	display: flex;
	align-items: center;
}

.p-outline__dl dd {
	flex: 1;
	border-bottom: 2px solid #000;
	padding: 2rem 0 2rem 1rem;
}

@media screen and (max-width:768px) {
	.p-outline__dl dl {
		display: block;
	}
	
	.p-outline__dl dt {
		width: 100%;
		padding: 0.5rem 1rem;
		border-top: 2px solid var(--base-color);
		border-bottom: 2px solid #000;
	}
	
	.p-outline__dl dd {
		border-bottom: none;
		padding: 1rem 0 2rem 2rem;
	}
}

/***** 参加者の皆様へ *****/
.p-participant__box {
	border: 3px solid var(--base-color);
}

.p-participant__box__ttl {
	background-color: var(--base-color);
	text-align: center;
	padding: 15px;
	font-weight: 700;
	font-size: 2rem;
	position: relative;
}

.p-participant__box__ttl::after {
	position: absolute;
	content: '';
	top: 100%;
	left: calc( 50% - 14px );
	border: 14px solid transparent;
	border-top: 14px solid var(--base-color);
	width: 0;
	height: 0;
}

.p-participant__box__inner {
	padding: 30px;
	font-weight: 600;
	font-size: 1.8rem;
	text-align: center;
	background-color: #fffce7;
}

.p-participant__table th,
.p-participant__table td {
	text-align: left;
}

.p-participant__table th {
	width: 50%;
}

.p-participant__txt-table th {
	width: 7em;
	vertical-align: baseline;
}

.p-participant__txt-table th,
.p-participant__txt-table td {
	padding-bottom: 10px;
}

.p-participant__txt-table tr:last-child th,
.p-participant__txt-table tr:last-child td {
	padding-bottom: 0;
}

@media screen and (max-width:768px) {
	.p-participant__box__inner {
		padding: 20px;
	}
	
	.p-participant__box__ttl {
		font-size: 1.8rem;
	}
	
	.p-participant__box__inner {
		font-size: 1.6rem;
	}
	
	.p-participant__txt-table th,
	.p-participant__txt-table td {
		width: 100%;
		display: block;
	}
	
	.p-participant__txt-table th {
		padding-bottom: 0;
	}
}


/***** ハンズオンセミナー *****/
.p-hanson__box {
	border: 3px solid var(--base-color);
}

.p-hanson__box__ttl {
	background-color: var(--base-color);
	text-align: center;
	padding: 15px;
	font-weight: 700;
	font-size: 2rem;
	position: relative;
}

.p-hanson__box__ttl::after {
	position: absolute;
	content: '';
	top: 100%;
	left: calc( 50% - 14px );
	border: 14px solid transparent;
	border-top: 14px solid var(--base-color);
	width: 0;
	height: 0;
}

.p-hanson__box__inner {
	padding: 30px;
	font-weight: 600;
	font-size: 1.8rem;
	text-align: center;
	background-color: #fffce7;
}

.p-hanson__table th {
	text-align: center;
}

.p-hanson__table td {
	text-align: left;
}

.p-hanson__table th:first-child {
	width: 20%;
}

.p-hanson__table th:nth-child(2) {
	width: 60%;
}

.p-hanson__table th:last-child {
	width: 7%;
}

.p-hanson__txt-table th {
	vertical-align: baseline;
}

.p-hanson__txt-table th,
.p-hanson__txt-table td {
	padding-bottom: 10px;
}

.p-hanson__txt-table tr:last-child th,
.p-hanson__txt-table tr:last-child td {
	padding-bottom: 0;
}

.p-hanson__txt-table tr:last-child th,
.p-hanson__txt-table tr:last-child td {
	padding-bottom: 0;
}
.p-hanson__table .sponsor {
	text-align: right;
	font-size: 1.3rem;
	margin-top: 10px;
}


@media screen and (max-width:768px) {
	.p-hanson__box__inner {
		padding: 20px;
	}
	
	.p-hanson__box__ttl {
		font-size: 1.8rem;
	}
	
	.p-hanson__box__inner {
		font-size: 1.6rem;
	}
	
	.p-hanson__txt-table th,
	.p-hanson__txt-table td {
		width: 100%;
		display: block;
	}
	
	.p-hanson__txt-table th {
		padding-bottom: 0;
	}
}

/***** みみヨリ！新聞 *****/
.p-newspaper__table th {
	width: 15%;
}

.p-newspaper__table td {
	text-align: left;
}

.p-newspaper__com {
	display: flex;
	justify-content: center;
	position: relative;
	max-width: 400px;
	margin: 0 auto 15px;
	padding: 1.5rem;
	border: 1px solid #000;
	background-color: #fff;
}

.p-newspaper__com::before,
.p-newspaper__com::after {
	position: absolute;
	bottom: -15px;
	width: 30px;
	height: 15px;
	clip-path: polygon(0 0, 100% 0, 50% 100%);
	content: '';
}

.p-newspaper__com::before {
	background-color: #000;
}

.p-newspaper__com::after {
	bottom: -14px;
	background-color: #fff;
}

.p-newspaper__icon {
	padding-left: 22px;
	background: url("../images/icon_newspaper.png") no-repeat center / 18px 18px;
}

@media screen and (max-width:768px) {
	.p-newspaper__table th {
		width: 20%;
	}
	
	.p-newspaper__com {
		padding: 1rem;
	}
}

/***** 視聴者参加型セッションのご案内 *****/
.p-session__table {
	width: 60%;
	margin-inline: auto;
}

.p-session__table th {
	width: 30%;
}

.p-session__table td {
	text-align: left;
}

.p-session__flex {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	gap: 4rem;
}

.p-session__fig {
	width: 280px;
}

.p-session__flex .p-session__table {
	flex: 1;
	width: 100%;
}

.p-session__com,
.p-session__com02 {
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	max-width: 280px;
	margin-bottom: 2rem;
	padding: 1rem 1.6rem;
	border-radius: 30px;
	background: #fff;
	border: 2px solid #000;
	font-weight: 500;
}

.p-session__com::before,
.p-session__com02:before {
	content: "";
	position: absolute;
	width: 14px;
	height: 15px;
	background: #fff;
	bottom: -10px;
	left: 0;
	right: 0;
	clip-path: polygon(0 0, 100% 0, 50% 100%);
	z-index: 1;
	margin: auto;
}

.p-session__com::after,
.p-session__com02::after {
	content: "";
	position: absolute;
	width: 14px;
	height: 15px;
	background: #333;
	bottom: -15px;
	left: 0;
	right: 0;
	clip-path: polygon(0 0, 100% 0, 50% 100%);
	margin: auto;
}

.p-session__com02 {
	max-width: 100%;
}

@media screen and (max-width:768px) {
	.p-session__table {
		width: 100%;
	}
	
	.p-session__flex {
		flex-direction: column;
		gap: 2rem;
	}
	
	.p-session__fig {
		margin-inline: auto;
	}
}