/* ========================================
   リセットCSS
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ========================================
   CSS変数定義
======================================== */
:root {
    --primary-pink: #FF69B4;
    --primary-blue: #00CED1;
    --primary-yellow: #FFD700;
    --primary-purple: #9370DB;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #F1EAE9;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --box-shadow-heavy: 0 10px 10px rgba(0, 0, 0, 0.1);
    --border-radius: 0;
    --transition: all 0.3s ease;
}

/* ========================================
   基本設定
======================================== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: "Noto Sans JP", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   共通コンポーネント
======================================== */
.section-title-wrapper {
    text-align: center;
    margin-bottom: 10px;
}

.section-title-img {
    max-width: 400px;
    height: auto;
    display: inline-block;
}

.section-subtitle {
    font-size: 14px;
    text-align: center;
    margin-bottom: 35px;
    opacity: 0.9;
}

/* 画像共通スタイル */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 継承されたクラス用の装飾 */
.main-content-card::after,
.booths-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50px;
    height: 50px;
}

/* ボタン共通スタイル */
.btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: inline-block;
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.btn img {
    width: 100%;
    height: auto;
    display: block;
}

/* カード共通スタイル */
.card {
    background: white;
    color: var(--text-dark);
    box-shadow: var(--box-shadow-heavy);
    position: relative;
}

/* コーナー装飾共通 */
.corner-decoration::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50px;
    height: 50px;
    background-size: 50px 50px;
    background-position: bottom right;
    background-repeat: no-repeat;
}

.corner-red::after {
    background-image: url('../images/corner_red.png');
}

.corner-blue::after {
    background-image: url('../images/corner_blue.png');
}

.corner-green::after {
    background-image: url('../images/corner_green.png');
}

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    z-index: 1000;
    height: 80px;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
}

.logo-img {
    height: auto;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link,
.footer-nav-link {
    font-family: "Apple LiGothic", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", sans-serif;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 20px;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-link:hover,
.footer-nav-link:hover {
    color: var(--primary-pink);
}

/* Disabled links */
.nav-link.disabled,
.footer-nav-link.disabled,
.mobile-nav-link.disabled {
    color: #999;
    cursor: not-allowed;
    opacity: 0.5;
    pointer-events: none;
}

.nav-link.disabled:hover,
.footer-nav-link.disabled:hover,
.mobile-nav-link.disabled:hover {
    color: #999;
}

/* ハンバーガーメニュー */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* ハンバーガーメニューのアニメーション */
.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* モバイルナビゲーション */
.mobile-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: none;
    flex-direction: column;
    padding: 20px;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
    display: flex;
    transform: translateY(0);
}

.mobile-nav-link {
    font-family: "Apple LiGothic", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", sans-serif;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 18px;
    font-weight: 400;
    padding: 15px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: color 0.3s ease;
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

.mobile-nav-link:hover {
    color: var(--primary-pink);
}

/* ========================================
   ヒーロー
======================================== */
.hero {
    width: 100%;
    padding-top: 80px;
    background: white;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   セクション共通レイアウト
======================================== */
.section-container {
    position: relative;
    padding: 80px 20px;
}

.section-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* ========================================
   Concept セクション
======================================== */
.concept {
    position: relative;
    padding: 0;
    background: transparent;
    overflow: visible;
    background-image: 
        url('../images/bg1_start.jpg'),
        url('../images/bg1_end.jpg');
    background-position: 
        top center,
        bottom center;
    background-repeat: no-repeat;
    background-size: 
        100% auto,
        100% auto;
}

.concept .container {
    position: relative;
    padding: 50px 20px 110px;
}

.concept-header {
    text-align: center;
    margin-bottom: 40px;
}

.concept-date-img {
    max-width: 459px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 20px;
}

.concept-venue {
    font-size: 22px;
    color: var(--text-dark);
    line-height: 1.4;
    font-weight: 600;
}

.concept-divider {
    text-align: center;
    margin: 60px 0;
}

.concept-bar {
    max-width: 400px;
    width: 100%;
    height: auto;
    display: inline-block;
}

.concept-main {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.concept-headline {
    font-size: 30px;
    font-weight: 600;
    color: #000;
    margin-bottom: 50px;
    line-height: 1.5;
}

.concept-description {
    text-align: left;
    width: 800px;
    margin: 0 auto;
}

.concept-description p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-dark);
    margin-bottom: 30px;
    font-weight: 400;
}

.concept-description p:last-child {
    margin-bottom: 0;
}

.concept-description .quote {
    font-weight: 600;
    display: inline;
    vertical-align: baseline;
}

/* ========================================
   Main Content セクション
======================================== */
.main-content {
    position: relative;
    padding: 0;
    background-image: url('../images/bg2_start.jpg');
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
}

.main-content .container {
    position: relative;
    padding: 50px 20px;
}

.main-content .section-subtitle {
    color: #000000;
    font-size: 14px;
    text-align: center;
    margin-bottom: 35px;
    opacity: 0.9;
}

.main-content-grid {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.main-content-card {
    background: white;
    width: 300px;
    padding: 25px 30px 40px;
    position: relative;
    text-align: left;
    box-shadow: var(--box-shadow);
}

.main-content-card .card_title {
    margin-bottom: 25px;
}

.main-content-card .card_title.red {
    width: 152px;
    margin: 0 auto;
}

.main-content-card .card_title.blue {
    width: 198px;
    margin: 0 auto;
}

.main-content-card .card_title.green {
    width: 112px;
    margin: 0 auto;
}

.main-content-card .card_title img {
    height: auto;
    width: auto;
    max-width: 100%;
    display: block;
}

.card_sub_title {
    font-size: 12px;
    text-align: center;
    margin-bottom: 10px;
}

.main-content-card h3 {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.content-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    text-align: left;
}

/* ========================================
   Schedule Visual セクション
======================================== */
.schedule-visual {
    padding: 40px 0;
}

.schedule-visual .section-subtitle {
    font-size: 14px;
    text-align: center;
    margin-bottom: 20px;
}

.schedule-images {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.schedule-image-container {
    max-width: 500px;
}

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

/* ========================================
   Area Map セクション
======================================== */
.area-map {
    background: var(--bg-light);
    padding: 10px 0 80px;
    position: relative;
}

.area-map .container {
    position: relative;
    z-index: 2;
}

.area-map .section-subtitle {
    font-size: 14px;
    text-align: center;
    margin-bottom: 40px;
}

.map-container {
    width: 100%;
    margin: 0 auto;
    padding: 0;
    background: white;
    box-shadow: var(--box-shadow);
    overflow: visible;
    position: relative;
}

.area-map-img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* ========================================
   セッション共通スタイル（Crosstalk, Networking, Booths）
======================================== */
.session-section {
    position: relative;
    padding: 0 0 80px;
    color: white;
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
}

.networking-container {
    position: relative;
    padding: 80px 20px;
}

.networking-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.booths-container {
    position: relative;
    padding: 80px 20px;
}

.booths-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.crosstalk-subtitle {
    font-size: 14px;
    color: black;
}

.networking-subtitle {
    font-size: 14px;
    color: black;
    margin-bottom: 60px;
    opacity: 0.9;
}

.booths-subtitle {
    font-size: 14px;
    color: black;
    margin-bottom: 10px;
}
.booths-days {
    font-size: 20px;
    color: #077B01;
    font-weight: bold;
    margin-bottom: 20px;
}

.session-card,
.networking-card,
.booths-card {
    background: white;
    width: 1100px;
    padding: 40px;
    margin: 80px auto 0;
    box-shadow: var(--box-shadow-heavy);
    color: var(--text-dark);
    text-align: left;
    position: relative;
}

.session-card-inner,
.networking-card-inner,
.booths-card-inner {
    max-width: 860px;
    margin: 0 auto;
}

/* ========================================
   Crosstalk セクション
======================================== */
.crosstalk {
    position: relative;
    padding: 0;
    background-image: url('../images/bg3_start.jpg');
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
    padding-top: 0px;
    padding-bottom: 80px;
    color: white;
}

.crosstalk-container {
    position: relative;
    padding: 60px 20px;
}

.crosstalk-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.crosstalk-subtitle {
    font-size: 14px;
    color: black;
}

.facilitator-section {
    text-align: left;
    max-width: 930px;
    margin: 0 auto;
}

.facilitator-title {
    font-family: "Apple LiGothic", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", sans-serif;
    font-size: 90px;
    font-weight: 400;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    opacity: 0.7;
}

.facilitator-subtitle {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #EF31B1;
    opacity: 1;
}

.facilitator-main-content {
    display: flex;
    align-items: flex-start;
    gap: 60px;
}

.facilitator-left {
    flex: 1;
}

.facilitator-content {
    display: block;
}

.facilitator-text {
    flex: 1;
    color: black;
    font-size: 16px;
    line-height: 1.8;
}

.facilitator-name {
    font-weight: 600;
    text-decoration: underline;
}

.facilitator-image {
    flex-shrink: 0;
}

.facilitator-img {
    width: 230px;
    height: 230px;
    border-radius: 50%;
    object-fit: cover;
    margin-top: 50px;
}

.session-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 30px;
    justify-content: flex-start;
    text-align: left;
}

.session-number .number-img {
    width: 86px;
    height: auto;
}

.session-info {
    flex: 1;
    text-align: left;
}

.session-datetime {
    color: #EF31B1;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 0;
}

.session-title {
    font-size: 23px;
    font-weight: 600;
    line-height: 1.4;
    color: #EF31B1;
    margin: 0;
}

.session-description {
    text-align: left;
    margin: 30px 0;
    line-height: 1.8;
    font-size: 16px;
}

.session-description p {
    margin-bottom: 20px;
    color: #555;
}

.session-speakers {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 40px 0;
    gap: 80px;
}

.speaker {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.speaker-image {
    margin-bottom: 15px;
}

.speaker-img {
    width: 230px;
    height: 230px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.speaker-info {
    font-size: 0.9rem;
}

.speaker-company {
    color: var(--text-light);
    margin-bottom: 5px;
}

.speaker-name {
    font-weight: 600;
    color: var(--text-dark);
}

.speaker-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 20px;
}

.connector-icon {
    width: 53px;
    height: 53px;
    background: none;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.connector-svg {
    width: 53px;
    height: auto;
}

.connector-icon::before,
.connector-icon::after {
    display: none;
}

.session-cta {
    text-align: center;
    margin-top: 40px;
}

.apply-button {
    width: 400px;
    height: auto;
}

/* ========================================
   Networking セクション
======================================== */
.networking {
    position: relative;
    padding: 0;
    background-color: var(--bg-light);
    background-image: url('../images/bg4_start.jpg');
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
    padding-top: 0px;
    padding-bottom: 80px;
    color: white;
}

.networking-datetime {
    color: #2F69F4;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.networking-event-title {
    font-size: 23px;
    font-weight: 600;
    color: #2F69F4;
    margin-bottom: 30px;
    line-height: 1.4;
}

.networking-description {
    margin-bottom: 40px;
    line-height: 1.8;
    font-size: 16px;
}

.networking-description p {
    margin-bottom: 20px;
    color: #555;
}

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

.networking-apply-button {
    width: 400px;
    height: auto;
}

/* ========================================
   Booths セクション
======================================== */
.booths {
    position: relative;
    padding: 0;
    background-color: var(--bg-light);
    background-image: url('../images/bg5_start.jpg');
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
    padding-top: 0px;
    padding-bottom: 0;
    color: white;
    margin-bottom: 0;
}

.booths-card {
    margin: 20px auto 0;
    position: relative;
}

.booths-card.corner-green::after {
    background-image: url('../images/corner_green.png');
    background-size: 50px 50px;
    background-position: bottom right;
    background-repeat: no-repeat;
}

.booths-content-wrapper {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.booths-photo {
    width: 200px;
    height: 200px;
    background: gray;
    flex-shrink: 0;
}

.booths-info {
    flex: 1;
}

.booths-organization {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
    text-align: left;
}

.booths-description {
    line-height: 1.8;
    font-size: 16px;
}

.booths-description p {
    color: #555;
    margin: 0;
}

/* ========================================
   Access Section
======================================== */
.access {
    position: relative;
    padding: 0;
    background-color: var(--bg-light);
    margin-bottom: 0;
}

.access-container {
    position: relative;
}

.access-content {
    text-align: center;
    max-width: 100%;
    margin: 0 auto;
}

.access-subtitle {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 40px;
    font-weight: 400;
}

.access-info {
    text-align: center;
    margin: 0 auto;
    padding: 40px;
    background-color: white;
}

.access-venue {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.4;
}

.access-address {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 20px;
}

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

.access-btn {
    width: 400px;
    height: auto;
}

.access-map {
    width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.access-map iframe {
    width: 100%;
    height: 480px;
    border: 0;
    display: block;
}

.access-map-img {
    width: 100%;
    height: auto;
    display: block;
    max-width: 100%;
}

/* ========================================
   About the organizer
======================================== */
.organizer {
    position: relative;
    padding: 0;
    background-color: var(--bg-light);
    margin-bottom: 0;
}

.organizer-container {
    position: relative;
    padding: 80px 20px;
}

.organizer-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-organizer {
    margin-top: 0;
    text-align: center;
    background: transparent;
    padding: 0 40px;
}

.about-subtitle {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 40px;
    font-weight: 400;
}

.organizer-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.organizer-item {
    display: flex;
    align-items: flex-start;
    gap: 60px;
    background: transparent;
    padding: 20px;
    box-shadow: none;
    text-align: left;
}

.organizer-content {
    flex: 1;
}

.organizer-role {
    text-align: left;
    font-size: 16px;
    font-weight: normal;
    color: var(--text-dark);
    margin-bottom: 0px;
    padding-bottom: ;
}

.organizer-description {
    text-align: left;
    line-height: 1.6;
    color: var(--text-light);
    font-size: 16px;
}

.organizer-logo {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
}

.organizer-logo .logo-img {
    max-width: 200px;
    max-height: 200px;
    object-fit: contain;
}

.contact-info {
    text-align: left;
    background: transparent;
    padding: 20px;
    box-shadow: none;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.contact-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.contact-detail {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 5px;
    line-height: 1.6;
}

/* ========================================
   Banner Links
======================================== */
.banner-links {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin: 40px 0 30px;
    flex-wrap: wrap;
}

.banner-item {
    width: 400px;
    height: 200px;
    overflow: hidden;
}

.banner-img {
    width: 100%;
}

/* ========================================
   Return to Top Button
======================================== */
.return-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.return-top.show {
    opacity: 1;
    visibility: visible;
}

.return-top-btn {
    display: block;
    width: 80px;
    height: 80px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.return-top-btn:hover {
    transform: translateY(-5px);
}

.return-top-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   フッター
======================================== */
.footer {
    background: white;
    padding: 40px 0;
    border-top: 1px solid #ddd;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
}

.footer-logo-img {
    width: 95px;
    height: auto;
    margin-bottom: 10px;
}

.footer-copyright {
    font-size: 11px;
    color: var(--text-light);
    margin: 0;
}

.footer-nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 768px) {
    /* 全体的なオーバーフロー制御 */
    html, body {
        overflow-x: hidden;
        max-width: 100%;
    }
    
    * {
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* ヘッダー */
    .header {
        height: 60px;
    }
    
    .header-inner {
        padding: 0 20px;
    }
    
    .logo-img {
        width: 80px;
    }
    
    .nav {
        display: none;
    }
    
    .hamburger-menu {
        display: flex;
    }
    
    /* Concept */
    .concept-date-img {
        max-width: 100%;
    }
    
    .concept .container {
        padding: 30px 20px 60px;
    }
    
    .concept-venue {
        font-size: 18px;
    }
    
    .concept-divider {
        margin: 40px 0;
    }
    
    .concept-bar {
        max-width: 200px;
    }
    
    .concept-headline {
        font-size: 20px;
        margin-bottom: 30px;
    }
    
    .concept-description {
        width: 100%;
    }
    
    .concept-description p {
        font-size: 14px;
    }
    
    /* Main Content */
    .main-content-card {
        width: 100%;
        max-width: 300px;
    }
    
    /* Section Title Images */
    .section-title-img {
        max-width: 200px;
    }
    
    /* Schedule */
    .schedule-image-container {
        max-width: 100%;
    }
    
    /* Area Map */
    .area-map {
        padding: 60px 0;
    }
    
    .map-container {
        width: 100%;
    }
    
    /* Crosstalk */
    .crosstalk {
        padding: 80px 0;
    }
    
    .crosstalk-container {
        padding: 0 20px;
    }
    
    .session-card,
    .networking-card,
    .booths-card {
        width: calc(100% - 40px);
        max-width: 100%;
        margin: 60px 20px 0;
        padding: 30px 20px;
    }
    
    .session-card-inner,
    .networking-card-inner,
    .booths-card-inner {
        max-width: 100%;
        margin: 0;
    }
    
    /* Crosstalk */
    .facilitator-section {
        max-width: 100%;
        padding: 0 20px;
        text-align: center;
    }
    
    .facilitator-title {
        font-size: 60px;
        text-align: center;
    }
    
    .facilitator-main-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .facilitator-image {
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .facilitator-img {
        width: 200px;
        height: 200px;
        margin-top: 20px;
    }
    
    .session-header {
        flex-direction: column;
        gap: 20px;
        text-align: left;
    }
    
    .session-number .number-img {
        width: 60px;
    }
    
    .session-title,
    .networking-event-title {
        font-size: 1.4rem;
    }
    
    .session-speakers {
        flex-direction: column;
        gap: 30px;
    }
    
    .speaker-connector {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .apply-button,
    .networking-apply-button,
    .access-btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* Networking */
    .networking {
        padding: 80px 0;
    }
    
    .networking-container {
        padding: 0 20px;
    }
    
    .networking-card {
        text-align: center;
    }
    
    /* Booths */
    .booths {
        padding: 80px 0;
    }
    
    .booths-container {
        padding: 0 20px;
    }
    
    .booths-content-wrapper {
        flex-direction: column;
        gap: 20px;
    }
    
    .booths-photo {
        width: 100%;
        height: 150px;
    }
    
    .booths-organization {
        font-size: 1.2rem;
    }
    
    /* Organizer */
    .organizer-container {
        padding: 0px 0px;
    }
    .about-organizer {
        padding: 0 0px;
    }
    .section-title-wrapper{
        padding-top: 70px;
    }
    
    .organizer-item {
        flex-direction: column;
        text-align: center;
        padding: 0 0px;
    }
    
    .organizer-content {
        width: 90%;
        margin: 0 auto;
    }
    
    .organizer-role,
    .organizer-description {
        width: 100%;
    }
    
    .organizer-logo {
        width: 90%;
        height: auto;
        margin: 0 auto;
    }
    
    .organizer-logo .logo-img {
        width: 100%;
        /* max-height: 300px; */
    }
    
    .contact-info {
        text-align: center;
        padding: 20px;
    }
    
    /* Return to Top */
    .return-top {
        bottom: 20px;
        right: 20px;
    }
    
    .return-top-btn {
        width: 60px;
        height: 60px;
    }
    
    /* Footer */
    .footer-inner {
        padding: 0 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .footer-nav-link {
        font-size: 16px;
    }
    
    /* Banner Links */
    .banner-links {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .banner-item {
        width: 100%;
        max-width: 400px;
        height: 200px;
    }
    
    /* Access Section */
    .access-container {
        padding: 60px 20px 40px;
    }
    
    .access-info {
        padding: 20px;
    }
    
    /* Access Map - スマホ時に下に40pxの余白を追加 */
    .access-map {
        margin-bottom: 0px;
    }
}