/* 基本スタイル */
        body {
            font-family: 'Inter', sans-serif;
            background-color: #f7f9fb;
            color: #333;
            margin: 0;
            padding: 0;
            line-height: 1.6;
        }

        /* コンテナ */
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        
        /* ヘッダー */
        .header {
            background-color: #fff;
            padding: 1rem 0;
            box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 100;
        }

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

        .logo-group {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        .logo-group img {
            height: 2rem;
        }
        
        /* メインCTAボタン（PC用） */
        .cta-button {
            background-color: #30E1C0;
            color: #fff;
            font-weight: bold;
            text-decoration:none;
            padding: 0.5rem 1.5rem;
            border-radius: 9999px;
            transition-property: all;
            transition-duration: 300ms;
            transform: scale(1);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }
        .cta-button:hover {
            background-color: #35f1cf;
            transform: scale(1.05);
        }
        
        /* メインビジュアル＆タイトルセクション */
        .hero-section {
            padding-top: 10rem;
            padding-bottom: 4rem;
            text-align: center;
            background-color: #04C704;
            background-image:url('../img/Hexagon.svg');
            background-size:cover;
            background-position:center right;
            color: #fff;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            margin-left: auto;
            margin-right: auto;
            max-width: 100%;
            /* height:100vh; */
        }
        .hero-section-contents{
            max-width:1200px;
            margin:0 auto;
            padding:50px 0;
        }
        .hero-section-contents h1 {
            font-size: 3px; /* 3xl */
            font-weight: 800; /* extabold */
            line-height: 1.25;
            letter-spacing: -0.025em;
            margin-bottom: 1rem;
            text-align:start;
        }
        .hero-section-contents h2 {
            font-size: 1.25rem; /* xl */
            font-weight: 600;
            margin-bottom: 2rem;
            opacity: 0.8;
            text-align:start;
        }
        .hero-bottom-box{
            display:flex;
            justify-content:space-between;
        }
        .hero-info-group {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            justify-content: flex-start;
            align-items: flex-start;
            font-size: 1.125rem; /* lg */
            font-weight: 500;
        }
        .hero-info-group p {
            background-color: #fff;
            color: #1a7d7d;
            width: 100%;
            padding: 0.5rem 1rem;
            border-radius: 9999px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        .hero-speaker-group{
            display:flex;
            justify-content:flex-end;
            align-items:center;
            gap:2rem;
            padding: 0;
        }
        .hero-speaker-item img{
            border-radius: 9999px;
            width: 16rem;
            height: 16rem;
            margin-bottom: 1rem;
        }
        .hero-speaker-item p{
            font-size:1.15rem;
            font-weight:700;
            text-align:center;
            clip-path: polygon(
                10% 0%,   /* 左上：内側にカット */
                100% 0%,  /* 右上：まっすぐ */
                90% 100%, /* 右下：内側にカット */
                0% 100%   /* 左下：まっすぐ */
            );
            width:320px;
            padding:.5rem 0;
        }
        .hero-irusiru p{
            background-color:#008CA198;
        }
        .hero-agentec p{
            background-color:#04C70498;
        }
        .hero-speaker-item span{
            font-size:2rem;
        }
        /* セクション共通スタイル */
        .section {
            padding-top: 5rem;
            padding-bottom: 5rem;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* 見出し共通スタイル */
        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }
        .section-header h3 {
            font-size: 1.875rem; /* 3xl */
            font-weight: bold;
            margin-bottom: 1rem;
        }
        .section-header p {
            font-size: 1.125rem; /* lg */
            color: #6b7280;
        }

        /* カードスタイル */
        .card {
            background-color: #fff;
            padding: 2rem;
            border-radius: 1rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
            transition: transform 300ms;
        }
        .card:hover {
            transform: scale(1.05);
        }
        .card-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-align: center;
        }
        .card-title {
            font-size: 1.25rem; /* xl */
            font-weight: bold;
            margin-bottom: 0.75rem;
            text-align: center;
        }
        .card-text {
            color: #6b7280;
            text-align: center;
        }

        /* 解決策セクション */
        .solution-section {
            background-color: #f3f4f6;
            border-radius: 2rem;
            margin: 5rem auto;
            padding: 5rem 3rem;
        }

        .solution-item {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: center;
        }

        .solution-item img {
            border-radius: 0.75rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            transition: transform 300ms;
        }
        .solution-item img:hover {
            transform: scale(1.05);
        }

        .solution-item h4 {
            font-size: 1.5rem; /* 2xl */
            font-weight: bold;
            margin-bottom: 1rem;
        }

        .solution-item p {
            font-size: 1rem;
            color: #6b7280;
        }

        /* タイムライン風セクション */
        .timeline-section {
            position: relative;
            max-width: 64rem;
            margin-left: auto;
            margin-right: auto;
        }
        .timeline-section .line {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            height: 80%;
            width: 4px;
            background-color: #e2e8f060;
            z-index:0;
        }
        .timeline-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 3rem;
            position:relative;
            z-index:10;
        }

        .timeline-item .icon-wrapper {
            position: relative;
            width: 3rem;
            height: 3rem;
            flex-shrink: 0;
            border-radius: 9999px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.25rem;
            z-index: 1;
        }
        .timeline-item .icon-wrapper.indigo {
            background-color: #008CA1;
            color: #fff;
        }
        .timeline-item .icon-wrapper.blue {
            background-color: #04C704;
            color: #fff;
        }
        .timeline-item .icon-wrapper.gray {
            background-color: #30E1C0;
            color: #fff;
        }
        .timeline-item .icon-wrapper .ping {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: inherit;
            border-radius: inherit;
            opacity: 0.25;
            animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
        }

        /* 開催概要セクション */
        .outline-section .card-wrapper {
            background-color: #fff;
            padding: 3rem;
            border-radius: 1rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
            max-width: 48rem;
            margin-left: auto;
            margin-right: auto;
        }
        .outline-section .outline-item {
            display: flex;
            align-items: center;
            font-size: 1.125rem; /* lg */
            margin-bottom: 1rem;
        }
        .outline-section .outline-item span:first-child {
            width: 6rem;
            font-weight: bold;
            color: #6b7280;
        }
        .outline-section .outline-item {
            margin-left: 1rem;
        }

        /* 登壇者紹介セクション */
        .speaker-section {
            background-color: #f3f4f6;
            border-radius: 2rem;
            margin: 5rem auto;
            padding: 5rem 0;
        }
        .speaker-item {
            background-color: #fff;
            padding: 3rem;
            border-radius: 1rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
        }
        .speaker-item img {
            border-radius: 9999px;
            width: 16rem;
            height: 16rem;
            margin-bottom: 1rem;
        }
        .speaker-item h4 {
            font-size: 1.25rem; /* xl */
            font-weight: bold;
        }
        .speaker-item p {
            color: #6b7280;
        }
        .speaker-name{
            text-align:center;
        }

        /* 申し込みフォームセクション */
        .form-section {
            background-color: #1f2937;
            color: #fff;
            padding-top: 5rem;
            padding-bottom: 5rem;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            border-top-left-radius: 2rem;
            border-top-right-radius: 2rem;
            box-shadow: 0 -20px 25px -5px rgba(0, 0, 0, 0.1), 0 -10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .form-wrapper {
            background-color: #111827;
            padding: 2rem;
            border-radius: 1rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
            max-width: 36rem;
            margin-left: auto;
            margin-right: auto;
        }
        .form-section label {
            display: block;
            font-size: 0.875rem; /* sm */
            font-weight: 500;
            margin-bottom: 0.25rem;
        }
        .form-section input {
            width: 100%;
            padding: 0.5rem 1rem;
            background-color: #374151;
            border-radius: 0.5rem;
            border: 1px solid #4b5563;
            outline: none;
        }
        .form-section input[type=checkbox]{
            width:20px;
            height:20px;
            padding:0;
        }
        .form-section input:focus {
            outline: 2px solid #4f46e5;
            outline-offset: 2px;
        }
        .form-section .privacy-checkbox {
            display: flex;
            align-items: flex-start;
        }
        .form-section .privacy-checkbox input {
            height: 1rem;
            width: 1rem;
            border-radius: 0.25rem;
            border-color: #4b5563;
            background-color: #374151;
            color: #4f46e5;
            cursor: pointer;
        }
        .form-section .privacy-checkbox label {
            margin-left: 0.5rem;
            font-size: 0.875rem; /* sm */
            color: #9ca3af;
        }
        .form-section .privacy-checkbox a {
            color: #818cf8;
            text-decoration: underline;
        }
        .form-submit-button {
            width: 100%;
            background-color: #30e1c0;
            color: #fff;
            font-weight: bold;
            padding: 0.75rem 1rem;
            border-radius: 999rem;
            transition: all 300ms;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .form-submit-button:hover {
            background-color: #35f1cf;
            transform: scale(1.05);
        }

        .modal-body .card {
            background-color: transparent;
            padding: 0;
            border-radius: 1rem;
            box-shadow:none;
            transition:none;
        }
        .modal-body .card:hover {
            transform: none;
        }


        /* フッター */
        .footer {
            background-color: #111827;
            color: #9ca3af;
            padding: 2rem 0;
            text-align: center;
        }

        /* スムーズスクロール */
        html {
            scroll-behavior: smooth;
        }
        
        /* ---------------thankspage ---------------*/

        .thanks-container{
            max-width: 1200px;
            height: 90vh;
            margin:0 auto;
            padding:350px 0%;
            display:flex;
            justify-content:center;
            align-items:center;
            gap:5rem;
        }
        .thanks-container .text-box{
            width: 45%;
        }
        .thanks-container .text-box h1{
            margin-bottom:2rem;
        }
        .thanks-container .text-box p{
            margin-bottom:2rem;
        }
        .thanks-container .image-box{
            width: 45%;
            display:flex;
            flex-direction:column;
            gap:2rem;
        }
        .thanks-container .image-box img{
            width:80%;
            height: auto;
            margin:0 auto;
        }
        .back-button{
            background-color: #30E1C0;
            color: #fff;
            font-weight: bold;
            text-decoration:none;
            padding: 0.5rem 1.5rem;
            border-radius: 9999px;
            transition-property: all;
            transition-duration: 300ms;
            transform: scale(1);
        }
        .back-button:hover {
            background-color: #35f1cf;
            transform: scale(1.05);
        }
        


        /* アニメーション */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-fadeInUp {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        .animate-fadeInUp.delay-200 {
            animation-delay: 0.2s;
        }
        @keyframes ping {
            75%, 100% {
                transform: scale(2);
                opacity: 0;
            }
        }

        /* レスポンシブ対応 */
        @media (max-width:767px){
            .pc{
                display:none;
            }
            .sp{
                display:block;
            }
            /* 共通 */
            .section{
                padding-bottom:0;
            }
            .section-header h3{
                text-align:start;
            }
            /* header */
            .header{
                padding:20px 0;
                position:relative;
            }
            .header .flex-container{
                flex-direction:column;
                align-items:center;
            }
            .logo-group{
                gap:.5rem;
            }
            /* cta button */
            .cta-button{
                position: fixed;
                bottom:20px;
                width: 80%;
                text-align: center;
                padding:1rem;
            }
            /* Hero section */
            .hero-section{
                background-position:center;
                padding:50px 0;
                /* height:180vh; */
            }
            .hero-section-contents{
                padding:0 1.5rem;
            }
            .hero-speaker-group{
                flex-direction:column;
            }
            .hero-bottom-box{
                display:flex;
                flex-direction:column;
                justify-content:space-between;
            }   
            .hero-section-contents h1{
                font-size:2rem;
            }
            .hero-section-contents h2{
                font-size:1rem;
            }
            /* .hero-speaker-item img{
                width:10rem;
                height:10rem;
            } */
            .hero-speaker-item p{
                font-size:0.875rem;
                width:1;
            }
            .hero-speaker-item span{
                font-size:1.25rem;
            }      
            .hero-info-group{
                flex-direction:column;
                justify-content: flex-start;
                align-items:flex-start;
            }     
            /* 課題セクション */
            .section-problem{
                padding-top:8rem;
            }
            .section-header p {
                font-size:1rem;
            }
            .grid-3-cols .card{
                margin-bottom:10px;
                padding:2rem 1rem;
            }
            /* 解決セクション */
            .solution-section{
                padding:5rem 1.5rem;
                margin-bottom:0;
            }
            .solution-item{
                font-size:1.5rem;
            }
            /* タイムラインセクション */
            .timeline-section .line {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
                height: 70%;
                width: 4px;
                background-color: #e2e8f060;
                z-index:0;
            }
            /* 概要セクション */
            .outline-section{
                padding-top:0;
                margin-bottom:5rem;
            }
            .outline-section .card-wrapper{
                padding:5rem .5rem;
            }
            .outline-section .outline-item{
                flex-direction:column;
                align-items:flex-start;
            }
            .outline-section .outline-item span:last-child{
                margin:0;
            }
            .outline-section .section-header h3{
                text-align: center;
            }
            /* 登壇者セクション */
            .speaker-section{
                padding:8rem 1.5rem;
            }
            .speaker-item{
                margin-bottom:1rem;
            }
            /* ----------thankspage--------- */
            .thanks-container{
                width: 100%;
                height:90vh;
                padding:100px 5%;
                display:flex;
                flex-direction:column;
                gap:5rem;
            }
            .thanks-container .text-box{
                width: 100%;
            }
            .thanks-container .image-box{
                width: 100%;
            }
            .thanks-container .image-box img{
                width: 70%;
                height: auto;
                margin:0 auto;
            }

        
        }
        @media (min-width: 768px) {
            .pc{
                display:block;
            }
            .sp{
                display:none;
            }
            .header .cta-button.hidden-md {
                display: block;
            }
            /* .hero-section{
                height:100vh;
            } */
            .hero-section h1 {
                font-size: 3rem; /* 4xl */
            }
            .hero-section h2 {
                font-size: 1.5rem; /* 2xl */
            }
            .hero-section-contents{
                padding:0 1.5rem;
            }
            .hero-bottom-box{
                flex-direction:column;
            }    
            .hero-speaker-group{
                justify-content:center;
            }
            .mobile-cta {
                display: none;
            }
            .grid-3-cols {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 2rem;
            }
            .solution-item {
                grid-template-columns: 1fr 1fr;
            }
            .solution-item.reverse {
                direction: rtl;
            }
            .solution-item.reverse > * {
                direction: ltr;
            }
            .timeline-item {
                flex-direction: row;
                align-items: flex-start;
                justify-content: space-between;
            }
            .timeline-item .content-right {
                text-align: left;
                padding-left: 3rem;
            }
            .timeline-item .content-left {
                text-align: right;
                padding-right: 3rem;
            }
            .timeline-item .icon-wrapper {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .timeline-item:nth-child(even) .content-right {
                text-align: right;
                padding-right: 3rem;
                padding-left: 0;
            }
            .timeline-item:nth-child(even) .content-left {
                text-align: left;
                padding-left: 3rem;
                padding-right: 0;
            }
            .grid-2-cols {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .speaker-section{
                padding:5rem 1.5rem;
            }
            .speaker-item{
                padding:1.5rem;
            }
            .thanks-container{
                width: 100%;
            }
        }
        @media (min-width: 1024px) {
            /* .hero-section{
                height:105vh;
            } */
            .hero-section h1 {
                font-size: 4rem; 
            }
            .hero-bottom-box{
                flex-direction:row;
            } 
        }