@charset "utf-8";
/*
ページごとの設定や、位置調整、テキスト装飾などで使用する汎用的なものとを記述します。
Anything used for general purpose such as setting for every page, position adjustment, and text decoration will be written.

接頭辞はUtilityの頭文字を取って【u_】とします。
Prefix will take the "Utility" first letter and use it as "u_".

clearfixのみ、例外的に接頭辞をつけてません。
This not apply to "clearfix".

フォントサイズはremで指定します。
"rem" will be used for font-size.
*/

.u_mat0 { margin-top: 0; }
.u_mat5 { margin-top: 5px; }
.u_mat10 { margin-top: 10px; }
.u_mat20 { margin-top: 20px; }
.u_mat30 { margin-top: 30px; }
.u_mat40 { margin-top: 40px; }
.u_mat50 { margin-top: 50px; }

.u_mab0 { margin-bottom: 0; }
.u_mab5 { margin-bottom: 5px; }
.u_mab10 { margin-bottom: 10px; }
.u_mab15 { margin-bottom: 15px; }
.u_mab20 { margin-bottom: 20px; }
.u_mab25 { margin-bottom: 25px; }
.u_mab30 { margin-bottom: 30px; }
.u_mab40 { margin-bottom: 40px; }
.u_mab50 { margin-bottom: 50px; }
.u_mab60 { margin-bottom: 60px; }
.u_mab100 { margin-bottom: 100px; }

.u_mar10 { margin-right: 10px; }
.u_mar20 { margin-right: 20px; }

.u_mal10 { margin-left: 10px; }
.u_mal20 { margin-left: 20px; }

.u_pal20 { padding-left: 20px; }

.u_ALcenter { text-align: center!important; }
.u_ALright { text-align: right!important; }
.u_ALleft { text-align: left!important; }
.u_ALtop { vertical-align: top; }
.u_ALmiddle { vertical-align: middle; }
.u_ALbottom { vertical-align: bottom; }

.u_float_left { float: left; }
.u_float_right { float: right; }

.u_red { color: #f00; }
.u_black { color: #333; }
.u_white { color: #fff; }
.u_yellow { color: #f8e187; }
.u_brown { color: #7A5128; }

.u_bold { font-weight: bold; }
.u_fw_normal { font-weight: normal; }
.u_underline { text-decoration: underline; }
.u_strike { text-decoration: line-through; }

.u_img_floatL { float: left; margin-right: 20px; }
.u_img_floatR { float: right; margin-left: 20px; }

.u_fs11 { font-size: 1.1rem; }
.u_fs12 { font-size: 1.2rem; }
.u_fs13 { font-size: 1.3rem; }
.u_fs14 { font-size: 1.4rem; }
.u_fs15 { font-size: 1.5rem; }
.u_fs16 { font-size: 1.6rem; }
.u_fs17 { font-size: 1.7rem; }
.u_fs18 { font-size: 1.8rem; }
.u_fs19 { font-size: 1.9rem; }
.u_fs20 { font-size: 2rem; }
.u_fs21 { font-size: 2.1rem; }
.u_fs22 { font-size: 2.2rem; }
.u_fs23 { font-size: 2.3rem; }
.u_fs24 { font-size: 2.4rem; }

.u_inline { display: inline; }
.u_inlineblock { display: inline-block; }

.u_disable { pointer-events: none; }

.u_hover:hover { opacity: .7; }

.u_w100per { max-width: 100%; }

.u_sp {
  display: none;
}

/*----------------------------------------------
	.u_indent
---------------------------------------------*/
.u_indent01 {
	text-indent: -1em;
	padding-left: 1em;
}
.u_indent02 {
	text-indent: -2em;
	padding-left: 2em;
}
.u_indent03 {
	text-indent: -3em;
	padding-left: 3em;
}
.u_indent05 {
	text-indent: -5em;
	padding-left: 5em;
}
.u_indent12-3 {
	text-indent: -12.3em;
	padding-left: 12.3em;
}

/*----------------------------------------------
	.u_flex
---------------------------------------------*/
.u_flex {
	display: flex;
}

.u_flex.is_jc_end { 
  flex-wrap: wrap;
	justify-content: flex-end;
}
.u_flex.is_jc_center { 
	flex-wrap: wrap;
	justify-content: center;
}
.u_flex.is_jc_spBetween { 
	flex-wrap: wrap;
	justify-content: space-between;
}
.u_flex.is_jc_spAround { 
	flex-wrap: wrap; 
	justify-content: space-around;
}
.u_flex.is_jc_spEvenly { 
	flex-wrap: wrap;
	justify-content: space-evenly;
}
.u_flex.is_jc_end.no_wrap,
.u_flex.is_jc_center.no_wrap,
.u_flex.is_jc_spBetween.no_wrap,
.u_flex.is_jc_spAround.no_wrap {
  flex-wrap: nowrap;
}

.u_flex.is_column {
	flex-wrap: wrap;
	flex-direction: column;
}
.u_flex.is_ai_end { 
	align-items: flex-end;
}
.u_flex.is_ai_center { 
	align-items: center;
}

.u_flex.is_gap20 { gap: 20px; }
.u_flex.is_gap30 { gap: 30px; }


/*----------------------------------------------
	.clearfix
---------------------------------------------*/
.clearfix:after {
    content: " ";
    display: block;
    clear: both;
}
.c_greeting_layout {
  align-items: flex-end;
  display: flex;
  gap: 20px;
}

/*----------------------------------------------
	.registration
---------------------------------------------*/

.is_w250 {
  width: 250px;
}

/*----------------------------------------------
	.speaker
---------------------------------------------*/

.is_w12 {
  width: 12vw;
}

/*----------------------------------------------
	.handson
---------------------------------------------*/

.is_h300 {
  height: 300px;
}

/*----------------------------------------------
	.smaq
---------------------------------------------*/

.is_ttl_yellow {
  color: #ffeb3b;
}

/*----------------------------------------------
	アコーディオン
---------------------------------------------*/
.accordion {
  background: #FFF;
}
.summary {
  padding: 20px;
  cursor: pointer;
  position: relative;
  background: linear-gradient(to bottom, #C00000, #890000);
  color: #FFF;
  text-align: center;
}

.summary:hover {
  opacity: .4;
}

details[open] .summary.last_content {
  border-bottom: none;
}

.summary_title {
  font-weight: bold;
}
.summary_title_badge {
  position: absolute;
  top: 50%;
  right: 2rem;
  width: 20px;
  height: 20px;
  margin-top: -10px;
}

.summary_title_badge::before,
.summary_title_badge::after {
  content: "";
  position: absolute;
}

.summary_title_badge::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 20px;
  border-top: 2px solid #FFF;
}

.summary_title_badge::after {
  content: "";
  position: absolute;
  top: 0;
  left: 9px;
  width: 0;
  height: 20px;
  border-left: 2px solid #FFF;

  transform-origin: center;
  transform: scaleY(1);
  transition: transform .3s ease;
}

details[open] .summary_title_badge::after {
  transform: scaleY(0);
}

.summary_content {
  padding: 10px 10px 20px;
}

.is_green {
  color: #2C7B38;
}

.is_content_right {
  flex: 1;
}