@import url(common.css);

/*index*/
.index .change_log {
	box-sizing: border-box;
	margin: 0 auto;
	padding: 1rem 2rem;
	width: 100%;
	background: rgb(255, 255, 255);
}

.index .change_log h2 {
	margin: 0 0 1.5rem 0;
	border-bottom: solid 2px var(--main-color);
	font-size: 1.875rem;
	font-weight: 600;
	padding-left: 0.5rem;
}

.index .change_log .log_outer {
	height: 215px;
	overflow-y: auto;
	box-shadow: 0px 0px 5px rgba(0, 0, 0, .3);
}

.index .change_log dl {
	display: flex;
	flex-wrap: wrap;
	margin: 0;
	padding: 0.5rem;
}

.index .change_log dl dt,
.index .change_log dl dd {
	box-sizing: border-box;
	padding: 0.8rem 0.4rem;
	border-bottom: dotted 1px var(--gray-color);
	line-height: 1.5;
}

.index .change_log dl dt {
	width: 120px;
}

.index .change_log dl dt::before {
	box-sizing: border-box;
	content: "●";
	font-size: 0.4rem;
	display: inline-block;
	margin-right: 4px;
	border-radius: 2.5px;
	vertical-align: 25%;
	color: rgb(209, 48, 32);
}

.index .change_log dl dd {
	margin: 0;
	width: calc(100% - 120px);
}

.index .change_log dl dd a {
	color: var(--link-color);
	transition: opacity .2s ease-out;
}

.index .change_log dl dd a:hover {
	opacity: .5;
}
@media screen and (max-width:480px) {

	.index .change_log dl dd,
	.index .change_log dl dt {
		width: 100%;
		padding: 0;
	}
	.index .change_log dl dt {
		margin-bottom: 0.2rem;
		border-bottom: none;
	}
	.index .change_log dl dd{
		padding-left: 1rem;

	}
}
/*greeting*/
.greeting .content p {
	text-indent: 1rem;
	margin-bottom: 1rem;
	margin-left: 0.5rem;
}
.greeting .content .text {
	text-align: right;
	margin-right: 0;
	margin-left: auto;
	margin-top: 3rem;
}
.greeting .content .chairman {
	display: flex;
	flex-direction: row-reverse;
	align-items: end;
	justify-content: right;
	margin-bottom: 1.5rem;
	gap: 1rem;
}

.greeting .content .photo {
	width: 160px;
	height: 198px;
	box-shadow: 0px 0px 5px rgba(0, 0, 0, .3);
	overflow: hidden;
}

.greeting .content .title {
	margin: 0;
}

.greeting .content .name {
	font-size: 1.5rem;
	font-weight: 600;
	margin: 0;
}

.greeting .content .name span {
	font-size: 1rem;
	display: inline-block;
	margin-right: 1rem;
}

.greeting .content .affi {
	margin: 0;
	font-size: 0.875rem;
}

@media screen and (max-width: 768px) {
	.greeting .content .chairman {
		flex-direction: column;
		align-items: center;
		text-align: center;
	}

	.greeting .content .name span {
		display: block;
		margin-right: 0rem;
	}
}

/*overview*/
.overview dl {
	display: flex;
	flex-wrap: wrap;
	margin: 0;
}

.overview dl dt,
.overview dl dd {
	padding: 1.2rem 1rem;
	border-bottom: dotted 1px var(--text-color);
}

.overview dl dt {
	margin: 0;
	width: 7rem;
	color: var(--main-color);
	font-weight: 600;
	display: block;
	text-align: justify;
	text-align-last: justify;
}

.overview dl dd {
	margin: 0;
	width: calc(100% - 7rem);
}

.overview dl dd .affi {
	display: inline-block;
	font-size: 0.875rem;
}

/*program*/
p.date_and_time {
	margin-top: -.5rem;
	padding: .3em .4em;
	font-size: 0.9em;
	font-weight: 700;
	line-height: 1.5;
	border-bottom: dotted 1px var(--gray-color);
	width: fit-content;
	margin-right: 0;
	margin-left: auto;
}

/*registration*/

.step_box {
	margin: 50px 0 0 0px;
	padding-left: 18px;
	border-top: solid 3px rgb(80, 120, 180);
	border-left: solid 1px rgb(80, 120, 180);
}
/*sponsors*/
.sponsor-contact{
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.5rem;
}
.sponsor-contact h3{
	font-size: 1.125rem;
}
.sponsor-contact p{
	font-size: 0.875rem;
}
@media screen and (max-width:768px){
	.sponsor-contact{
		grid-template-columns: 1fr;
	}
}