@charset "utf-8";

/* ---------------------------------------------------------------------------
 * ROOT
--------------------------------------------------------------------------- */
:root {
	--event_color_01: #e60012;
	/* var(--event_color_01) */
	--event_color_02: #0068b7;
	/* var(--event_color_02) */
	--event_txt_jpn_01: "UD Shin Go Bold";
	/* var(--event_txt_jpn_01) */
}

/* =============================================
 既存CSS調整
============================================= */
html {
  scroll-behavior: smooth;
}

sup {
	font-size: 75%;
	vertical-align: super;
}

.calendar_page .header.fixed {
	position: static;
}

.calendar_page .contents {
	margin-top: 0 !important;
}

.calendar_page .sec_wrap>.inner {
	max-width: 1000px;
}

.content_ttl {
	margin-top: 0;
	margin-bottom: min(5vw, 30px);
	font-family: var(--event_txt_jpn_01);
	font-size: clamp(2em, 5vw, 2.75em);
	letter-spacing: 0;
}

.content_ttl h1 {
	padding-bottom: 0.4em;
	display: inline-block;
	position: relative;
}

.content_ttl h1::before {
	content: "";
	width: 1em;
	height: 0.1em;
	background-size: auto auto;
	background-image: linear-gradient(-90deg, var(--event_color_01) 50%, var(--event_color_02) 51%);
	position: absolute;
	left: 50%;
	bottom: 0;
	transform: translate(-50%, 0);
}

.sec_wrap {
	padding: min(5vw, 30px) 0;
	line-height: 1.5;
}
.sec_wrap.bg_wht {
	padding: min(15vw, 60px) 0;
}

footer {
	margin-top: 0;
}



/* =============================================
 contents
============================================= */

/* 背景パターン1 */
.bg_gry {
	background: #ebf1f5;
}


/* 背景パターン2 */
.bg_wht {
	background: #fff;
}

/* 背景パターン3 */
.bg_blu {
	background: rgba(237, 247, 255, 0.8);
}


/* =============================================
 main
============================================= */

.logo_event {
	padding: min(5vw, 30px);
	background: #fff;
	text-align: center;
}

.logo_event img {
	width: 70%;
	max-width: 700px;
}

.anchor {
	padding-top: 60px;
	margin-top: -60px;
}

@media print, screen and (max-width:640px) {
	.anchor {
		padding-top: 80px;
		margin-top: -80px;
	}
}

/* month
---------------------------------------- */
.ttl_month {
	margin-bottom: min(5vw, 30px);
	font-size: 1.5em;
	font-size: clamp(1.25em, 3.12vw, 1.75em);
	font-weight: bold;
	text-align: center;
}

.ttl_month span {
	margin-right: 0.05em;
	position: relative;
	top: 0.02em;
	font-size: 1.25em;
}

/* month_list
---------------------------------------- */
.month_list {
	max-width: 1000px;
	margin: 0 auto;
	background: #ebf1f5;
	border-bottom: 1px solid #ebf1f5;
	display: flex;
	flex-wrap: wrap;
	gap: 1px;
	position: sticky;
	top: 0;
	left: 0;
	z-index: 10;
}

.month_list:first-child {
	margin-top: 0;
}

.month_list li {
	width: calc((100% - 5px) / 6);
}

.month_list li a {
	padding: 1em;
	background: #fff;
	display: flex;
	justify-content: center;
	align-items: center;
	color: #000;
	font-weight: bold;
}

.month_list li.active a {
	color: var(--event_color_01);
	pointer-events: none;
}

.month_list li a span {
	margin-right: 0.05em;
	position: relative;
    top: -0.05em;
	font-size: 1.2em;
}

@media print, screen and (max-width:640px) {
	.month_list li a {
		padding: 0.5em;
	}
}

@media print, screen and (min-width:641px) {
	.month_list {
		flex-wrap: inherit;
	}

	.month_list li {
		width: 100%;
	}
}

/* calendar_box
---------------------------------------- */
.calendar_box {
	margin-bottom: min(5vw, 30px);
	background: #fff;
	box-sizing: border-box;
	border-radius: 5px;
	overflow: hidden;
}

.calendar_box:last-child {
	margin-bottom: 0;
}

/* .calendar_box + .calendar_box{
	margin-top: min(5vw, 30px);
} */
.calendar_box_inner {
	padding: 1em;
}

.ttl_calendar_box {
	padding: 0.5em 1em;
	background: #0068b7;
	color: #fff;
	font-size: clamp(1.1em, 2.8vw, 1.25em);
	font-weight: bold;
}

.calendar_box dl+dl {
	margin-top: 1em;
}

.calendar_box dl {
	padding-left: 0.75em;
	border-left: 3px solid var(--event_color_02);
}

.calendar_box dt {
	margin-bottom: 0.25em;
	font-size: 1.125em;
	font-weight: bold;
}

.calendar_box dt .date {
	display: block;
}

.calendar_box dd {
	color: #333;
	/* font-size: 0.812em; */
}

/* accordion
---------------------------------------- */
.js-ac {
	position: relative;
	cursor: pointer;
}

.js-ac::before,
.js-ac::after {
	content: "";
	width: 1em;
	height: 2px;
	background: #fff;
	position: absolute;
	right: 1em;
	top: 50%;
	transition: .3s;
}

.js-ac::after {
	transform: rotate(90deg);
}

.js-ac.is-open::after {
	/* transform: rotate(0deg); */
	opacity: 0;
}

.js-ac+* {
	width: 100%;
	height: 0;
	padding: 0 1em;
	opacity: 0;
	overflow: hidden;
	box-sizing: border-box;
	transition: .3s;
}

.js-ac+*.is-open {
	height: auto;
	padding: 1em;
	opacity: 1;
}

/* ---------------------------------------------------------------------------
 * 汎用
--------------------------------------------------------------------------- */
/* レイアウト
------------------------------------ */
.pt0 {
	padding-top: 0 !important;
}

.pl0 {
	padding-left: 0 !important;
}

.pr0 {
	padding-right: 0 !important;
}

.d_ib {
	display: inline-block;
}