@charset "utf-8";

/* Font Awesome の読み込み */
@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css");

/* Google Fonts の読み込み */
@import url('https://fonts.googleapis.com/css2?family=Reddit+Sans:ital,wght@0,200..900;1,200..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');

/* テンプレート専用cssファイルの読み込み */
@import url("slide.css");
@import url("inview.css");

/* CSSカスタムプロパティ（サイト全体を一括管理） */
:root {
  --text-color: #eee;
  --primary-color: #02354e;
  --primary-inverse-color: #eee;
  --global-space: 5vw;
}

/* animation1のキーフレーム設定 */
@keyframes animation1 {
  0% { left: -200px; }
  100% { left: 0px; }
}

/* opa1のキーフレーム設定 */
@keyframes opa1 {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* fadeIn のキーフレーム設定 */
@keyframes fadeIn {
  0% { opacity: 0; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1); }
}

/* 全体の設定 */
body * { box-sizing: border-box; }

html, body {
  height: 100%;
  font-size: 13px;
}

@media screen and (min-width: 900px) {
  html, body {
    font-size: 16px;
  }
}

body {
  margin: 0;
  padding: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", Meiryo, "メイリオ", "Osaka", "MS PGothic", "ＭＳ Ｐゴシック", sans-serif;
  -webkit-text-size-adjust: none;
  background: #000;
  color: var(--text-color);
  line-height: 2;
}

/* リセット */
figure { margin: 0; }
dd { margin: 0; }
nav, ul, li, ol { margin: 0; padding: 0; }
nav ul { list-style: none; }
section li { margin-left: 1rem; }

/* テーブル設定 */
table { border-collapse: collapse; }

/* 画像設定 */
img { border: none; max-width: 100%; height: auto; vertical-align: middle; }

/* video/iframe */
video { max-width: 100%; }
iframe { width: 100%; }

/* その他 */
input { font-size: 1rem; }
section + section { margin-top: 3rem; }

/* リンク設定 */
a {
  color: var(--text-color);
  transition: 0.3s;
}

a:hover {
  text-decoration: none;
  color: var(--primary-color);
}

/* コンテナー */
body:not(.home) #container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* コンテンツ */
#contents {
  flex: 1;
  padding: var(--global-space);
}

@media screen and (max-width: 600px) {
  #contents {
    padding-top: 80px;
  }
}

/* ヘッダー設定（固定表示） */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: #000;
  padding: 8px var(--global-space);
  border-bottom: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

header #logo {
  margin: 0;
  flex-shrink: 0;
}

header #logo a {
  font-size: 1rem;
  font-weight: bold;
  color: var(--text-color);
  text-decoration: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

header #logo a .logo-img {
  height: 2rem;
  width: auto;
  vertical-align: middle;
}

/* ナビゲーション */
#menubar nav ul {
  list-style: none;
  display: flex;
  justify-content: flex-end;
  gap: 1.5rem;
  margin: 0;
}

#menubar nav ul li {
  position: relative;
  margin: 0;
}

#menubar nav ul li a {
  color: var(--text-color);
  text-decoration: none;
  display: block;
  padding: 8px 0;
  font-family: "Reddit Sans", "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

#menubar nav ul li a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* ドロップダウンメニュー */
#menubar nav ul li ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #111;
  border: 1px solid #333;
  flex-direction: column;
  gap: 0;
  z-index: 10;
}

#menubar nav ul li ul li {
  width: 200px;
}

#menubar nav ul li ul li a {
  padding: 10px 15px;
}

#menubar nav ul li:hover > ul {
  display: flex;
}

/* ハンバーガーメニュー */
#menubar_hdr {
  display: none;
  position: fixed;
  top: 10px;
  right: 15px;
  z-index: 1001;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0);
  border: none;
  cursor: pointer;
}

#menubar_hdr span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  margin: 5px auto;
  transition: 0.3s;
}

#menubar_hdr.ham span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

#menubar_hdr.ham span:nth-child(2) {
  opacity: 0;
}

#menubar_hdr.ham span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* コンテンツの上部マージン（固定ヘッダー用） */
body.home #contents {
  padding-top: var(--global-space);
}

body:not(.home) #contents {
  padding-top: 80px;
  margin-top: 0;
}

@media screen and (max-width: 900px) {
  header {
    padding: 15px var(--global-space);
  }

  header #logo a {
    font-size: 0.85rem;
  }

  #menubar_hdr {
    display: block;
  }

  #menubar {
    display: none;
  }

  #menubar.display-block {
    display: block;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: #000;
    padding: 20px;
    z-index: 999;
    animation: animation1 0.5s ease-in-out;
  }

  #menubar nav ul {
    flex-direction: column;
    gap: 0;
    justify-content: flex-start;
  }

  #menubar nav ul li {
    border-bottom: 1px solid #333;
  }

  #menubar nav ul li a {
    display: block;
  }

  #menubar nav ul li ul {
    position: static;
    background-color: #111;
    margin-top: 10px;
  }

  #menubar nav ul li ul li {
    width: 100%;
  }

  body:not(.home) #contents {
    padding-top: 120px;
  }
}

/* フッターメニュー */
#footermenu {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 20px;
  background-color: #111;
}

#footermenu li {
  margin: 0;
}

#footermenu a {
  color: var(--text-color);
  text-decoration: none;
}

#footermenu a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* フッター */
footer {
  background-color: #000;
  color: var(--text-color);
  text-align: center;
  padding: 30px var(--global-space);
  border-top: 1px solid #333;
}

footer small {
  display: block;
  font-size: 0.9rem;
}

footer .pr {
  display: block;
  margin-top: 10px;
  font-size: 0.85rem;
}

/* ボタン設定 */
.btn a,
.btn-border-radius a {
  display: block;
  text-decoration: none;
  font-size: 1rem;
  text-align: center;
  background: var(--primary-color) !important;
  color: var(--primary-inverse-color) !important;
  padding: 0.5rem !important;
  margin-top: 1rem !important;
}

.btn a:hover,
.btn-border-radius a:hover {
  filter: brightness(1.2);
}

.btn-border-radius a {
  display: inline-block;
  padding: 0.5rem 2rem !important;
  border-radius: 100px;
  background: #f53e72 !important;
}

.btn-link {
  display: inline-block;
  padding: 0.5rem 2rem;
  border-radius: 100px;
  background: #f53e72 !important;
  color: white !important;
  text-decoration: none;
}

.btn-link:hover {
  filter: brightness(1.2);
}

/* bg1背景色 */
.bg1 {
  position: relative;
  background: var(--primary-color);
  color: var(--primary-inverse-color);
  padding-top: 5vw;
  padding-bottom: 5vw;
  margin-top: 10vw;
  margin-bottom: 10vw;
  margin-left: calc(-1 * var(--global-space));
  margin-right: calc(-1 * var(--global-space));
  padding-left: var(--global-space);
  padding-right: var(--global-space);
}

.bg1 a {
  color: inherit;
}

.bg1::before, .bg1::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: calc(5vw + 1px);
  background: var(--primary-color);
}

.bg1::before {
  top: -5vw;
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.bg1::after {
  bottom: -5vw;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

/* Programセクション専用の背景色 */
.bg-program {
  position: relative;
  background: #e4e9d5 !important;
  color: #000 !important;
  padding-top: 5vw;
  padding-bottom: 5vw;
  margin-top: 10vw;
  margin-bottom: 10vw;
  margin-left: calc(-1 * var(--global-space));
  margin-right: calc(-1 * var(--global-space));
  padding-left: var(--global-space);
  padding-right: var(--global-space);
}

.bg-program h2,
.bg-program h2 span,
.bg-program a {
  color: #000 !important;
}

.bg-program::before, .bg-program::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: calc(5vw + 1px);
  background: #e4e9d5;
}

.bg-program::before {
  top: -5vw;
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.bg-program::after {
  bottom: -5vw;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

/* list-grid1 */
.list-grid1 {
  display: grid;
  color: #555;
}

.list-grid1 .list {
  display: grid;
}

.list-grid1 .list * {
  margin: 0;
  padding: 0;
}

.list-grid1 .list p {
  font-size: 0.85rem;
}

@media screen and (min-width: 500px) {
  .list-grid1 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media screen and (min-width: 800px) {
  .list-grid1 {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
}

.list-grid1 .list {
  padding: 1rem;
  background: #fff;
  grid-template-rows: auto 1fr;
  box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.1);
}

.list-grid1 .list figure img {
  margin-bottom: 0.5rem;
}

/* テーブル */
.ta1 caption {
  font-weight: bold;
  padding: 0.5rem 1rem;
  background: var(--primary-color);
  margin-bottom: 1rem;
  border-radius: 5px;
}

.ta1 {
  table-layout: fixed;
  border-top: 1px solid #ccc;
  width: 100%;
  margin-bottom: 5rem;
}

.ta1 tr {
  border-bottom: 1px solid #ccc;
}

.ta1 th, .ta1 td {
  padding: 1rem;
  word-break: break-all;
}

.ta1 th {
  width: 30%;
  text-align: left;
}

@media screen and (min-width: 900px) {
  .ta1 th {
    width: 20%;
  }
}

/* お知らせブロック */
.new dd {
  padding-bottom: 1rem;
}

.new dt span {
  display: inline-block;
  text-align: center;
  line-height: 1.8;
  border-radius: 3px;
  width: 8rem;
  transform: scale(0.8);
  background: #fff;
  color: #777;
  border: 1px solid #333;
}

.new .icon-bg1 {
  background: #333;
  color: #fff;
}

.new .icon-bg2 {
  background: #ff0000;
  color: #fff;
}

@media screen and (min-width: 700px) {
  .new {
    display: grid;
    grid-template-columns: auto 1fr;
  }
}

/* PAGE TOP ボタン */
.pagetop-show { display: block; }

.pagetop a {
  display: block;
  text-decoration: none;
  text-align: center;
  z-index: 99;
  position: fixed;
  right: 20px;
  bottom: 20px;
  color: #fff;
  font-size: 1.5rem;
  background: rgba(0, 0, 0, 0.2);
  width: 60px;
  line-height: 60px;
  border-radius: 50%;
}

/* その他ユーティリティ */
.clearfix::after { content: ""; display: block; clear: both; }
.color-check, .color-check a { color: #ff0000 !important; }
.l { text-align: left !important; }
.c { text-align: center !important; }
.r { text-align: right !important; }
.ws { width: 95%; display: block; }
.wl { width: 95%; display: block; }
.mb0 { margin-bottom: 0px !important; }
.mb30 { margin-bottom: 30px !important; }
.small { font-size: 0.75em; }
.large { font-size: 2em; letter-spacing: 0.1em; }
.pc { display: none; }
.dn { display: none !important; }
.block { display: block !important; }

@media screen and (min-width: 900px) {
  .ws { width: 48%; display: inline; }
  .sh { display: none; }
  .pc { display: block; }
}

/* Committee Grid */
.committee-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media screen and (min-width: 700px) {
  .committee-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.committee-member {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 5px;
  text-align: center;
}

.committee-member p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.committee-title {
  font-size: 1.8rem;
  font-weight: bold;
  margin-top: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}

/* Event Box */
.event-box {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 5px;
  margin: 2rem 0;
}

.event-content h3 {
  text-align: center;
  font-size: 1.3rem;
  margin: 0 0 1.5rem 0;
}

.event-detail {
  text-align: center;
  margin: 1rem 0;
}

.event-detail strong {
  display: block;
  margin-bottom: 0.5rem;
}

/* セクション見出しのスタイル */
section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 2rem 0 1rem 0;
  letter-spacing: 0.05em;
  text-align: left;
}

section h2 .fade-in-text {
  display: block;
  color: #fff;
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

section h2 .hosoku {
  display: block;
  font-size: 0.8rem;
  color: #999;
  font-weight: 400;
  letter-spacing: 0.15em;
}

/* ページ見出し（非ホームページ） */
.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: left;
  margin: 2rem 0;
  color: #fff;
}

.page-title-en {
  display: block;
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.page-title-ja {
  display: block;
  font-size: 0.8rem;
  color: #999;
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-top: 0.5rem;
}

/* スピーカーグリッド */
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2rem;
  margin: 2rem 0;
}

@media screen and (min-width: 600px) {
  .speaker-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (min-width: 900px) {
  .speaker-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.speaker-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 5px;
  text-align: center;
}

.speaker-item h3 {
  font-size: 1.2rem;
  margin: 0 0 0.5rem 0;
}

.speaker-item p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
}

.speaker-title {
  font-style: italic;
  color: #aaa;
  font-size: 0.9rem;
  margin-top: 1rem !important;
}

/* イベント詳細ボックス */
.event-details {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2rem;
  margin: 2rem 0;
}

@media screen and (min-width: 600px) {
  .event-details {
    grid-template-columns: repeat(2, 1fr);
  }
}

.detail-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 5px;
  border-left: 4px solid var(--primary-inverse-color);
}

.detail-item h3 {
  font-size: 1.1rem;
  margin: 0 0 1rem 0;
  color: var(--primary-inverse-color);
}

.detail-item p {
  margin: 0;
  line-height: 1.8;
}

/* コンタクトボックス */
.contact-box {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 5px;
  margin: 2rem 0;
  border-left: 4px solid #f53e72;
}

.contact-box h3 {
  margin-top: 0;
  color: var(--primary-inverse-color);
}

.contact-box p {
  margin: 0.5rem 0;
}

/* 英語ラベルのスタイル */
.en-label {
  font-family: "Reddit Sans", sans-serif;
  font-weight: 600;
  color: #f53e72;
  font-size: 1.1rem;
  margin-right: 0.5rem;
  letter-spacing: 0.05em;
}

/* スマホ向け追加スタイル */
@media screen and (max-width: 600px) {
  /* ロゴテキストを小さく */
  header #logo a {
    font-size: 0.65rem;
    gap: 0.3rem;
  }
  
  header #logo a .logo-img {
    height: 1.5rem;
  }

  /* ヘッダーの高さ調整 */
  header {
    padding: 10px 15px;
  }

  /* メインイメージのパディング調整 */
  body.home #contents {
    padding-top: 0;
  }

  /* セクション間のマージン調整 */
  section + section {
    margin-top: 2rem;
  }

  /* bg1の傾斜を小さく */
  .bg1 {
    margin-top: 5vw;
    margin-bottom: 5vw;
    padding-top: 3vw;
    padding-bottom: 3vw;
  }

  .bg1::before {
    top: -3vw;
    height: calc(3vw + 1px);
  }

  .bg1::after {
    bottom: -3vw;
    height: calc(3vw + 1px);
  }

  /* タイトルのサイズ調整 */
  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  /* コンテンツのパディング調整 */
  #contents {
    padding: 3vw;
  }

  /* イベント詳細を1カラムに */
  .event-details {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* 委員会グリッドを1カラムに */
  .committee-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* フッターメニューを縦並びに */
  #footermenu {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* ボタンのパディング調整 */
  .btn-border-radius a,
  .btn-link {
    padding: 0.4rem 1.5rem !important;
    font-size: 0.9rem;
  }

  /* お知らせリストのフォントサイズ調整 */
  .new dt {
    font-size: 0.85rem;
  }

  .new dd {
    font-size: 0.9rem;
  }
}

/* 開催趣旨コンテンツのレイアウト */
.overview-content {
  display: grid;
  gap: 2rem;
  align-items: start;
  margin-top: 2rem;
}

@media screen and (min-width: 900px) {
  .overview-content {
    grid-template-columns: 1fr 1fr;
  }
}

.overview-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.overview-text p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

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

/* シンポジウム左右分割レイアウト */
.symposium-container {
  display: flex;
  gap: 2rem;
  margin: 2rem 0;
  align-items: stretch;
}

.symposium-image-left {
  flex: 0 0 35%;
  display: flex;
  align-items: center;
  position: relative;
}

.symposium-image-left img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.symposium-image-left .symposium-bg-image {
  position: relative;
  z-index: 1;
}

.symposium-image-left .symposium-title-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 95%;
  height: auto;
  max-width: 95%;
  object-fit: contain;
  z-index: 2;
  border-radius: 0;
}

.symposium-content-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.symposium-intro-text {
  margin: 0 0 1.5rem 0;
  line-height: 1.8;
}

.event-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.info-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 1rem;
  border-radius: 5px;
  border-left: 3px solid var(--text-color);
}

.info-item h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem 0;
  color: var(--text-color);
}

.info-item p {
  margin: 0;
  line-height: 1.6;
}

@media screen and (max-width: 768px) {
  .symposium-container {
    flex-direction: column;
  }
  
  .symposium-image-left {
    flex: 0 0 auto;
  }
  
  .event-info {
    grid-template-columns: 1fr;
  }
}