@charset "utf-8";


.center-text {
	text-align:center;
}

.floatright {
	float: right;
}

.floatleft {
	float:left;
}

.clearboth {
	clear:both;
}

.margin_b5 {
	margin-bottom:5px;
}

.margin_b10 {
	margin-bottom:10px;
}

.margin_b12 {
	margin-bottom:12px;
}

.margin_b15 {
	margin-bottom:15px;
}

.margin_b17 {
	margin-bottom:17px;
}

.margin_b20{
	margin-bottom:20px;
}

.margin_b25{
	margin-bottom: 25px;
}

.margin_b30{
	margin-bottom:30px;
}

.margin_b40{
	margin-bottom:40px;
}

.margin_b50{
	margin-bottom:50px;
}

.margin_b60{
	margin-bottom:60px;
}

.margin_b8p{
	margin-bottom:8%;
}

img.icon:hover{
    opacity: 0.6;
    filter: alpha(opacity=60);
    -moz-opacity: 0.6;
}

.clearfix:before, .clearfix:after {
 display: table;
 content: " ";
}

.clearfix:after {
 clear: both;
}

.txt_indent1 {
    padding-left: 1em;
    text-indent: -1em;
}

.img100 img{
	width:100%;
	height:auto;
}

.font_b {
	font-weight: bold;
}

svg {
	vertical-align:bottom;
}


/* お問い合わせ */

#formWrap {
	width: 100%;
	margin:0 auto;
	color:#555;
	line-height:110%;
}

table.formTable{
	width: 100%;
	border-collapse: collapse;
	margin-top: 0;
	margin-right: auto;
	margin-bottom: 80px;
	margin-left: auto;
	background-color: #FFF;
}


table.formTable th{
	width: 30%;
	font-weight: bold;
	text-align: left;
	vertical-align: middle;
	border-top: 1px solid #CCC;
}


table.formTable th, table.formTable td {
	width:auto;
	display:block;
}

table.formTable th {
	margin-top: 5px;
	border-bottom: 0;
	padding-top: 18px;
	padding-right: 12px;
	padding-left: 12px;
	padding-bottom:10px;
	line-height:1.6em;
}

table.formTable td {
	margin-top:5px;
	border-bottom:0;
	padding-right: 12px;
	padding-left: 12px;
	padding-bottom:18px;
	line-height:1.6em;
}

input[type="text"], textarea {
	width:100%;
	padding:10px 5px;
	display:block;
	background:#eeeeee;
	border:none;
}
input[type="button"] {
	display:block;
	width:100%;
	height:60px;
}
input[type="reset"], input[type="submit"]{
	display: inline-block;
	width: 30%;
	height: 60px;
	border: none;
	margin: 10px 0;
	font-size: 16px;
	color: #FFFFFF;
	font-family: "Zen Maru Gothic", sans-serif;
	font-weight: 700;
	background-color: #897a5e;
}

.cont_a a{
	color: #61A732;
	text-decoration: underline;
}

.cont_a a:hover{
	color: #666666;
	text-decoration: underline;
}

.hissu {
	color: #CC0000;
}

.re_hissu {
	color: #f1a09c;
	font-size: 15px;
}

.link_p a{
	color: #61A732;
	text-decoration: underline;
}

.link_p a:hover{
	color: #666666;
	text-decoration: underline;
}


/* ── 講演情報エリア ───────────────── */

.speaking-section {
  padding: 40px 16px 60px;

  /* かなりうっすら背景（ほぼ透明） */
  background: rgba(210, 225, 235, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

/* ★ ここがポイント：2カラム固定レイアウト */
.speaking-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex !important;      /* Chromeでも絶対flexにする */
  flex-wrap: nowrap;             /* 折り返さない */
  align-items: flex-start;
  column-gap: 40px;
}

/* 左のポスターカラム */
.speaking-poster {
  flex: 0 0 260px;               /* 幅260pxで固定 */
}

.speaking-poster img {
  display: block;
  width: 100%;
  height: auto;
}

/* 右のテキストカラム */
.speaking-content {
  flex: 1 1 auto;
  min-width: 0;                  /* 内容が長くてもカラム落ちしないように */
}

/* 見出し */
.speaking-title {
  margin: 0 0 32px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  letter-spacing: 0.1em;
}

.speaking-title .jp {
  font-size: 32px;
}

.speaking-title .en {
  font-size: 14px;
  color: #777;
}

/* 日付と本文 */
.speaking-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  font-size: 14px;
  line-height: 2;
}

.speaking-item {
  display: flex;
  gap: 28px;
}

.speaking-item .date {
  min-width: 110px;
  white-space: nowrap;
}

.speaking-item .text {
  margin: 0;
}

/* ── スマホ・タブレットでは縦並び ── */
@media (max-width: 768px) {
  .speaking-inner {
    flex-direction: column;
    align-items: center;
    row-gap: 24px;
  }

  .speaking-content {
    width: 100%;
  }

  .speaking-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .speaking-title .jp {
    font-size: 26px;
  }

  .speaking-list {
    font-size: 13px;
  }

  .speaking-item {
    flex-direction: column;
    gap: 4px;
  }

  .speaking-item .date {
    min-width: auto;
  }
}



.speaking-item .text a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.speaking-item .text a:hover {
  opacity: 0.7;
}