@charset "utf-8";

/* ===== リセット ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "メイリオ", Meiryo, "Hiragino Kaku Gothic ProN", sans-serif;
  background: #f3f3f3;
  color: #333;
  line-height: 1.8;
  font-size: 15px;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

a {
  color: #1c56a5;
}

p {
  margin: 0 0 1em;
}

/* ===== 共通レイアウト ===== */
.container {
  max-width: 1000px;
  margin: 0 auto;
  background: #fff;
  padding: 24px;
}

.content-section + .content-section {
  margin-top: 32px;
}

.section-title {
  margin: 0 0 18px;
  padding: 10px 14px;
  background: #edf4ff;
  border-left: 4px solid #7aa4df;
  color: #0f4da0;
  font-size: 22px;
  font-weight: bold;
}

.sub-title {
  margin: 0 0 12px;
  font-size: 18px;
  color: #0f4da0;
}

/* ===== ヘッダー ===== */
.header {
  background: #f5fcff;
  border-bottom: 1px solid #cfd8e3;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 12px 20px;
}

.logo img {
  width: 60px;
}

h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.4;
  color: #1c355e;
}

.kai {
  display: block;
  font-size: 14px;
  color: #2b73c8;
  margin-bottom: 2px;
}

/* ===== ナビ ===== */
.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  background: #3b6ea5;
}

.nav a {
  display: block;
  padding: 12px 20px;
  color: #fff;
  text-decoration: none;
  border-right: 1px solid rgba(255,255,255,0.15);
  transition: background 0.25s ease;
}

.nav a:hover {
  background: rgba(255,255,255,0.15);
}

/* ===== 開催概要 ===== */
.summary-head {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.summary-text {
  flex: 1 1 auto;
  min-width: 0;
}

.summary-poster {
  flex: 0 0 280px;
  text-align: center;
}

.summary-poster img {
  border: 1px solid #ddd;
  background: #fff;
  padding: 6px;
}

.info-table,
.fee-table,
.poster-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.info-table th,
.info-table td,
.fee-table th,
.fee-table td,
.poster-table th,
.poster-table td {
  padding: 10px 12px;
  border: 1px solid #d9e1ea;
  vertical-align: top;
}

.info-table th,
.poster-table th {
  width: 140px;
  background: #f7f9fc;
  text-align: left;
  font-weight: bold;
}

.fee-table th {
  background: #f0f5ff;
  font-weight: bold;
  text-align: center;
}

.fee-table td {
  text-align: center;
}

.theme-box,
.message-box,
.guide-box {
  margin-top: 24px;
  border: 1px solid #d7e3f4;
  background: #fff;
  padding: 20px;
}

.theme-box {
  border: 2px solid #b8caef;
  background: #fbfdff;
}

.theme-copy {
  margin-bottom: 12px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  color: #204e98;
}

.message-sign {
  margin-top: 18px;
  text-align: right;
  font-weight: bold;
}

.cta-group {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-btn {
  display: inline-block;
  min-width: 220px;
  padding: 12px 22px;
  border-radius: 999px;
  text-align: center;
  text-decoration: none;
  color: #fff;
  font-weight: bold;
}

.cta-btn--primary {
  background: linear-gradient(180deg, #2f7fda 0%, #1459ad 100%);
}

.cta-btn--secondary {
  background: linear-gradient(180deg, #3bc5c5 0%, #149aa1 100%);
}

/* ========================================
   プログラム・スケジュール
======================================== */

/* 全体 */
.program-list {
  border-top: 1px dashed #cfcfcf;
}

/* 1件ごとの行 */
.program-item {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px dashed #cfcfcf;
}

/* 左：時間 */
.program-time {
  flex: 0 0 180px;
  font-size: 18px;
  font-weight: bold;
  line-height: 1.5;
  color: #1f1f1f;
  word-break: keep-all;
}

/* 右：内容全体 */
.program-content {
  flex: 1 1 auto;
  min-width: 0;
}

/* 見出し */
.program-heading {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: normal;
  line-height: 1.6;
}

/* 区分（ビデオ講演など） */
.program-category {
  display: inline-block;
  margin-right: 10px;
  font-weight: bold;
  color: #0b49b5;
}

/* タイトルリンク */
.program-title {
  display: inline;
  color: #222;
  font-weight: normal;
  text-decoration: none;
  transition: color 0.25s ease, text-decoration-color 0.25s ease;
}

/* hover */
.program-title:hover {
  color: #0b49b5;
  text-decoration: underline;
}

/* active */
.program-title:active {
  color: #ff6b00;
}

/* visited */
.program-title:visited {
  color: #5a43b7;
}

/* 詳細＋写真 */
.program-detail {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

/* テキスト部分 */
.program-text {
  flex: 1 1 auto;
  min-width: 0;
}

.program-text p {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.8;
  color: #333;
}

.program-text p:last-child {
  margin-bottom: 0;
}

.program-text strong {
  font-weight: bold;
  color: #222;
}

/* 写真 */
.program-photo {
  flex: 0 0 126px;
}

.program-photo img {
  display: block;
  width: 126px;
  height: auto;
  border: 1px solid #d8d8d8;
}

/* 写真複数ある場合 */
.program-photo-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.program-photo-group img {
  display: block;
  width: 126px;
  height: auto;
  border: 1px solid #d8d8d8;
}

/* ===== 参加案内 ===== */
.attention {
  margin-top: 12px;
  color: #d40000;
  font-size: 14px;
  font-weight: bold;
}

.step-list {
  margin: 0;
  padding-left: 1.4em;
}

.step-list li + li {
  margin-top: 8px;
}

.poster-guide-layout {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.poster-guide-table {
  flex: 1 1 auto;
  min-width: 0;
}

.poster-guide-image {
  flex: 0 0 320px;
}

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


/* ========================================
   各講演の見どころ
======================================== */

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

.highlight-item {
  padding: 28px 0 36px;
  border-bottom: 2px solid #8db7f0;
}

.highlight-title {
  margin: 0 0 18px;
  font-size: 24px;
  line-height: 1.6;
  font-weight: bold;
  color: #003da5;
}

.highlight-meta {
  margin-bottom: 22px;
}

.highlight-meta p {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.7;
  font-weight: bold;
  color: #222;
}

.highlight-body {
  margin-bottom: 22px;
}

.highlight-body p {
  margin: 0 0 16px;
  font-size: 18px;
  line-height: 1.9;
  color: #222;
}

.highlight-body p:last-child {
  margin-bottom: 0;
}

.highlight-link {
  font-size: 18px;
  line-height: 1.8;
}

.highlight-link-label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
  color: #003da5;
}

.highlight-link-name {
  display: inline-block;
  margin-right: 12px;
  font-weight: bold;
  color: #222;
}

.highlight-link a {
  color: #2a63c7;
  text-decoration: underline;
  word-break: break-all;
}

.highlight-link a:hover {
  color: #0b49b5;
}

.highlight-link a:active {
  color: #ff6b00;
}

.highlight-link a:visited {
  color: #6a44b8;
}


/* フローティングTOPボタン */
.floating-top {
  position: fixed;
  right: 20px;
  bottom: 40px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: #3b6ea5;
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: bold;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 6px 18px rgba(0,0,0,0.2);

  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);

  transition: 0.3s;
  z-index: 999;
}

/* 表示状態 */
.floating-top.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* hover */
.floating-top:hover {
  background: #2f4f7f;
}

.sp-br {
  display: none;
}
th {
  width: 120px;
  vertical-align: top;
}



/* ===== スマホ ===== */
@media (max-width: 768px) {
	 .sp-br {
    display: block;
  }
  body {
    font-size: 14px;
  }

  .container {
    padding: 16px;
  }

  .header-inner {
    flex-direction: column;
    text-align: center;
  }

  h1 {
    font-size: 20px;
  }

  .nav a {
    flex: 1 1 50%;
    text-align: center;
    padding: 12px 10px;
  }

  .section-title {
    font-size: 18px;
    padding: 10px 12px;
  }

  .sub-title {
    font-size: 16px;
  }

  .summary-head {
    flex-direction: column-reverse;
  }

  .summary-poster {
    flex: none;
    width: 100%;
  }

  .info-table th,
  .info-table td,
  .poster-table th,
  .poster-table td {
    display: block;
    width: 100%;
  }

  .info-table th,
  .poster-table th {
    border-bottom: none;
  }

 .program-item {
    gap: 14px;
    padding: 18px 0;
  }

  .program-time {
    flex: 0 0 105px;
    font-size: 15px;
    line-height: 1.5;
  }

  .program-heading {
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.6;
  }

  .program-category {
    margin-right: 6px;
  }

  .program-detail {
    gap: 14px;
  }

  .program-text p {
    margin-bottom: 6px;
    font-size: 14px;
    line-height: 1.7;
  }

  .program-photo {
    flex: 0 0 84px;
  }

  .program-photo img {
    width: 84px;
  }

  .program-photo-group img {
    width: 84px;
  }

  .cta-btn {
    width: 100%;
    min-width: 0;
  }
 .poster-guide-layout {
    flex-direction: column;
  }

  .poster-guide-table {
    width: 100%;
  }

  .poster-guide-image {
    width: 100%;
    flex: none;
    margin-top: 16px;
  }

  .poster-guide-image img {
    max-width: 320px;
  }	
	
	 .highlight-item {
    padding: 20px 0 28px;
  }

  .highlight-title {
    margin-bottom: 14px;
    font-size: 19px;
    line-height: 1.7;
  }

  .highlight-meta {
    margin-bottom: 16px;
  }

  .highlight-meta p {
    font-size: 16px;
    line-height: 1.7;
  }

  .highlight-body {
    margin-bottom: 18px;
  }

  .highlight-body p {
    margin-bottom: 14px;
    font-size: 16px;
    line-height: 1.9;
  }

  .highlight-link {
    font-size: 16px;
    line-height: 1.8;
  }

  .highlight-link-name {
    display: block;
    margin: 0 0 4px;
  }
	 .floating-top {
    width: 70px;
    height: 70px;
    font-size: 14px;
    right: 14px;
    bottom: 24px;
  }
	
}