@charset "UTF-8";

/* =========================================
   Reset & Base
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-padding-top: 100px; /* PC版ヘッダーの高さ＋少しの余白 */
    scroll-behavior: smooth; /* ついでに、リンクをクリックした際に「スルッ」と滑らかに移動するようになります */
}
@media (max-width: 768px) {
    html {
        scroll-padding-top: 65px; /* スマホ版ヘッダーの高さに合わせて調整 */
    }
}
body {
    font-family: 游ゴシック体, YuGothic, 游ゴシック Medium, Yu Gothic Medium, 游ゴシック, Yu Gothic, sans-serif;
    background-color: #eff8f8;
    color: #3f3f3f;
    line-height: 1.6;
    padding-top: 75px; 
    /* メニュー開閉時に横スクロールが出ないようにする */
    overflow-x: hidden; 
}

@media (max-width: 766px) {
    body {
        padding-top: 60px;
    }
}
p {
	font-size: 1rem;
}
@media (max-width: 766px) {
	p {
		font-size: 0.9rem;
	}
}
img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}
.pc {
	display: block;
}
.sp {
	display: none;
}
@media (max-width: 766px) {
	.pc {
		display: none;
	}
	.sp {
		display: block;
	}
}
/* Typography */
.font-serif {
    font-family: 游ゴシック体, YuGothic, 游ゴシック Medium, Yu Gothic Medium, 游ゴシック, Yu Gothic, sans-serif;
}
.text-center {
    text-align: center;
}

/* Variables */
:root {
    --primary-green: #004b45;
    --text-dark: #3f3f3f;
    --accent-orange: #f0831e;
    --box-bg: #ffffff;
}

/* Buttons */
.btn-orange {
    display: inline-block;
    background: -webkit-linear-gradient(bottom, #c05711, #e9b973);
    background: -o-linear-gradient(bottom, #c05711, #e9b973);
    background: linear-gradient(to top, #c05711, #e9b973);
	border: 1px solid #FFF;
    color: white;
    padding: 10px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.25rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: opacity 0.2s;
}
.btn-orange:hover {
    background: -webkit-linear-gradient(bottom, #e9b973, #c05711);
    background: -o-linear-gradient(bottom, #e9b973, #c05711);
    background: linear-gradient(to top, #e9b973, #c05711);
}
@media screen and (max-width: 768px) and (min-width: 560px) {
	.btn-orange {
		padding: 8px 20px;
		border-radius: 30px;
		font-weight: 600;
		font-size: 1rem;
	}
}
.btn-green {
    display: inline-block;
    background: -webkit-linear-gradient(bottom, #003d33, #00a89f);
    background: -o-linear-gradient(bottom, #003d33, #00a89f);
    background: linear-gradient(to top, #003d33, #00a89f);
	border: 1px solid #FFF;
    color: white;
    padding: 10px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.25rem;
	letter-spacing: 0.1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: opacity 0.2s;
}

.btn-green:hover {
    background: -webkit-linear-gradient(bottom, #00a89f, #003d33);
    background: -o-linear-gradient(bottom, #00a89f, #003d33);
    background: linear-gradient(to top, #00a89f, #003d33);
}
.btn-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.3em;
  height: 1.3em;
  transform: translate(0.3em, -0.1em) rotate(90deg);
}
.btn-green .btn-arrow {
  width: 1.1em;
  height: 1.1em;
  transform: translate(0.3em, -0.1em);
}
.btn-arrow::before, .btn-arrow::after {
  box-sizing: border-box;
}
.btn-arrow::after {
  content: '';
  width: 50%;
  height: 50%;
  border-top: 0.15em solid #ffffff;
  border-right: 0.15em solid #ffffff;
  transform: translateX(-15%) rotate(45deg);
}
/* Font */
.bc_bold {
	font-family: "bc-sklonar", sans-serif;
	font-weight: 700;
	font-style: normal;
}
.bc_medium {
	font-family: "bc-sklonar", sans-serif;
	font-weight: 500;
	font-style: normal;
}
.bc_light {
	font-family: "bc-sklonar", sans-serif;
	font-weight: 400;
	font-style: normal;
}
/* =========================================
   Header & Navigation
   ========================================= */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.header-logo {
    max-width: 15%;
}
.header-logo img {
    width: 100%;
	height: auto;
}
@media screen and (max-width: 1200px) and (min-width: 767px) {
	.header-logo {
		max-width: 15%;
        align-items: center;
	}
	.header-logo img {
		justify-content: center; 
	}
}
@media (max-width: 766px) {
    header {
        padding: 10px 15px;
    }
    .header-logo {
		justify-content: center; 
        align-items: center;
		max-width: 35%;
    }
}
.header-right {
	display: flex;
    justify-content: space-between;
	vertical-align: middle;
	gap: 20px;
}

/* ヘッダー右側のボタン群 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}
.header-actions a {
	font-size: 1rem;
}
.header-nav {
    display: flex;
	justify-content: center; 
	align-items: center;
    gap: 15px;
    font-size: 0.85rem;
    color: #3f3f3f;
	font-family: "bc-sklonar", sans-serif;
	font-weight: 500;
	font-style: normal;
}
@media screen and (max-width: 1200px) and (min-width: 767px) {
	.header-actions {
		gap: 5px;
	}
	.header-actions a {
		font-size: 0.75rem;
	}
	.header-nav {
		gap: 5px;
		font-size: 0.75rem;
	}
	header .btn-orange {
		letter-spacing: 0;
		padding: 10px 15px;
	}
}
.header-nav a:hover {
    color: var(--primary-green);
}

/* PC表示時はハンバーガーボタンを非表示 */
.hamburger {
    display: none;
}
@media (max-width: 766px) {
    /* ボタンとハンバーガーの間隔調整 */
    .header-actions {
        gap: 15px;
    }
    .header-actions .btn-orange {
        padding: 8px 15px;
        font-size: 11px;
    }
    /* --- ハンバーガーアイコンのスタイル --- */
    .hamburger {
        display: block;
        width: 26px;
        height: 20px;
        background: transparent;
        border: none;
        cursor: pointer;
        position: relative;
        z-index: 1001; /* メニューより手前に表示 */
    }
    .hamburger span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: #333;
        position: absolute;
        left: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    /* 3本線の初期位置 */
    .hamburger span:nth-child(1) { top: 0; }
    .hamburger span:nth-child(2) { top: 9px; }
    .hamburger span:nth-child(3) { bottom: 0; }
    /* メニュー開閉時（is-active）のアイコンのアニメーション（✕印になる） */
    .hamburger.is-active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .hamburger.is-active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.is-active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    /* --- スライドメニュー（スマホ用ナビゲーション） --- */
    .header-nav {
        flex-direction: column;
        justify-content: flex-start;
        position: fixed;
        top: 0;
        right: -100%; /* 初期状態は画面外（右側）に隠す */
        width: 70%;  /* メニューの横幅 */
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.98);
        padding-top: 80px;
        transition: right 0.3s ease;
        z-index: 1000;
        box-shadow: -4px 0 15px rgba(0,0,0,0.05);
    }
    /* JSでis-activeクラスが付いたら画面内へスライドイン */
    .header-nav.is-active {
        right: 0;
    }
    .header-nav a {
        font-size: 14px;
        padding: 15px;
        border-bottom: 1px solid #eee;
        width: 80%;
        text-align: center;
    }
}
/* Hero Section */
.hero-visual {
    position: relative;
    width: 100vw;
	margin-left: calc(50% - 50vw); 
    /* ④背景画像の指定 */
    background-image: url('../img/kv_background.jpg'); 
    background-color: #FFFFFF; /* 画像がない場合の予備色 */
    background-size: cover; /* 背景画像を画面の横幅に合わせて伸ばす */
    background-position: center bottom;
    background-repeat: no-repeat;
    padding-top: 60px; /* ヘッダーの高さ分の余白 */
    overflow: hidden; /* 画像のはみ出しを防ぐ */
}
.hero-visual-inner {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    min-height: 650px; /* 人物画像を置くための基準となる高さを確保 */
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 20px;
}
/* タイトル画像のスタイル */
.hero-title-img {
    width: 100%;
    max-width: 650px; /* タイトルの最大サイズ。画像に合わせて調整してください */
    height: auto;
	padding: 0.25rem 0 0;
    position: relative;
    z-index: 2; /* 人物より手前に表示 */
}
/* 申し込みボタンを囲む枠 */
.hero-btn-wrap {
    position: relative;
    z-index: 3; /* 一番手前に表示してクリックできるようにする */
}
@media (max-width: 559px) {
	.btn-orange {
		padding: 8px 15px;
		border-radius: 30px;
		font-weight: 600;
		font-size: 0.8rem;
	}
}
/* 人物画像のスタイル（右下に固定） */
.hero-people-img {
    position: absolute;
    left: 50%; 
	transform: translateX(-50%); 
    bottom: 0;
    width: 110%;
    max-width: 1400px; /* 人物画像の最大サイズ。画像に合わせて調整してください */
    height: auto;
    z-index: 1; /* タイトルやボタンの奥に表示 */
}
.hero-badge {
    background-color: #FFF;
    color: #3f3f3f;
    padding: 4px 5px 2px;
    border-radius: 5px;
    font-size: 1rem;
    vertical-align: middle;
}
/* スマホ専用の1枚画像（PCでは非表示） */
.hero-img-sp {
    display: none;
}
@media (max-width: 768px) {
    .hero-visual {
        position: relative !important; /* ★ここが一番重要です */
        background-image: none !important; 
        padding: 0 !important; /* 余白をすべてゼロに */
        margin: 0 !important;
    }
    .hero-img-sp {
        display: block;
        width: 100%;
        height: auto;
    }
    .hero-title-img,
    .hero-people-img {
        display: none !important; 
    }
    .hero-visual-inner {
        position: static !important; 
        min-height: 0 !important;
        padding: 0 !important;
    }
    .hero-btn-wrap {
        position: absolute;
        bottom: 38%; /* 画像の下から15%の位置に配置 */
        left: 50%;
        transform: translateX(-50%); /* 左右のど真ん中に */
        width: 100%;
        text-align: center;
        z-index: 100 !important; /* Conceptカードより手前に */
        margin: 0 !important;
    }
	.hero-badge {
		padding: 2px 5px 2px;
		border-radius: 5px;
		font-size: 0.75rem;
	}
}
@media (max-width: 559px) {
    .hero-btn-wrap {
        bottom: 37%; /* 画像の下から15%の位置に配置 */
    }
	.btn-orange {
		padding: 5px 15px;
		border-radius: 30px;
		font-weight: 600;
		font-size: 0.8rem;
	}
}
/* Layout Container */
#concept,#timetable,#outline,.card {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 30px;
}
@media screen and (max-width: 1200px) and (min-width: 767px) {
	#concept,#timetable,#outline,.card {
		width: 95%;
		padding: 30px;
	}
}
@media (max-width: 766px) {
	#concept,#timetable,#outline,.card {
		width: auto;
		padding: 30px 20px;
	}
}
/* Cards */
.card {
    background-color: var(--box-bg);
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    margin-bottom: 60px;
	z-index: 1500;
}

/* Section Titles */
.section-title {
    font-family: "bc-sklonar", sans-serif;
	font-weight: 700;
	font-style: normal;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 0px;
    letter-spacing: -0.1rem;
    color: var(--primary-green);
}
.title span.section-title-border {
    display: block;
    height: 0.35rem;
    width: 50px;
    margin: 5px auto 30px;
    background-color: #dada8a;
	border-radius: 0.175rem;
}
/* Concept Section */
#concept {
    position: relative;
    z-index: 10; 
    margin-top: -50px;
	padding: 30px 60px 100px;
    background-image: url(/thezeroboardday-2026/assets/img/concept_img01.svg);
    background-position: center bottom;
    background-size: 60%;
    background-repeat: no-repeat;
	background-color: rgba(255, 255, 255, 0.9);
}
@media (max-width: 766px) {
	#concept {
		margin: 30px 10px;
		opacity: 1;
		width: auto;
		padding: 30px 20px;
		background-size: 100%;
		}	
}
.concept-lead {
    font-size: 1.75rem;
    font-weight: bold;
    text-align: center;
    line-height: 1.8;
}
.concept-text {
    text-align: center;
    color: #3f3f3f;
    line-height: 2;
}
@media (max-width: 766px) {
	.concept-lead {
		font-size: 1.25rem;
		line-height: 1.5;
	}
	.concept-text {
        text-align: left;
    }
	.concept-img {
		width: 100%;
	}
}
/* Timetable Section */
.timetable-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.timetable-special {
	padding: 30px;
	background-color: #FFF;
	border: 4px solid #004b45;
	border-radius: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.timetable-item {
    display: flex;
    gap: 20px;
	padding-bottom: 2rem;
	margin-bottom: 2rem;
}
@media (max-width: 766px) {
    .timetable-item {
        flex-direction: column;
        gap: 10px;
    }
}
.timetable-item-default {
	padding: 30px;
	border-bottom: 1px solid #CCC;
	margin-bottom: 0;
}
@media (max-width: 766px) {
	.timetable-item-default {
		padding: 30px 5px;
	}
}
.timetable-item-default:first-of-type {
	border-bottom: none;
	padding-bottom: 15px;
}
.timetable-special .timetable-item {
    border-bottom: 1px solid #CCC;
}
.timetable-special .timetable-item:last-child {
	margin-bottom: 0;
	padding-bottom: 0;
	border-bottom: none;
}
.time-box {
    background-color: var(--primary-green);
    color: white;
    width: 130px;
    padding: 7px;
    display: inline-flex;
    align-items: center;
	align-self: flex-start;
    justify-content: center;
    font-size: 1.15rem;
    font-weight: bold;
    text-align: center;
    flex-shrink: 0;
	font-family: "bc-sklonar", sans-serif;
	font-weight: 600;
	font-style: normal;
	line-height: normal;
}
@media (max-width: 766px) {
    .time-box {
        width: 100%;
        padding: 10px;
        font-size: 1.15rem;
    }
}
.time-box-special {
    background-color: var(--primary-green);
    color: white;
    width: 130px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: bold;
    text-align: center;
    flex-shrink: 0;
	font-family: "bc-sklonar", sans-serif;
	font-weight: 500;
	font-style: normal;
	line-height: 2.25rem;
}
@media (max-width: 766px) {
    .time-box-special {
        width: 100%;
        font-size: 1.5rem;
		padding: 5px 10px;
    }
}
.time-box-sub {
    background-color: #8fa99f;
}

.session-box {
    flex: 1;
    position: relative;
}
.session-label {
    font-size: 0.85rem;
    color: #3f3f3f;
    background-color: #f0f0f0;
    padding: 8px 20px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
	font-family: "bc-sklonar", sans-serif;
	font-weight: 600;
	font-style: normal;
	vertical-align: middle;
}
@media (max-width: 999px) {
	.session-label {
		margin-bottom: 10px;
	}
}
@media (max-width: 766px) {
	.session-label {
		font-size: 0.75rem;
		text-align: center;
		margin-bottom: 5px;
		width: 100%;
	}
}
.session-box-special {
	display: flex;
	align-items: flex-start; 
	gap: 20px;
}
@media (max-width: 999px) {
	.session-box-special {
		display: block;
	}
}
@media (max-width: 766px) {
	.session-box-special {
		display: block;
	}
}
.session-title {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--text-dark);
}
@media (max-width: 766px) {
	.session-title {
		font-size: 1.5rem;
		font-weight: bold;
		color: var(--text-dark);
	}
	.timetable-item-default .session-title {
		font-size: 1.35rem;
	}
}
.timetable-item-default .session-title {
    font-size: 1.5rem;
}
.speakers-group {
	display: flex;
	gap: 20px;
}
@media (max-width: 999px) {
	.speakers-group {
		display: block;
	}
}
.speakers-grid {
    display: flex;
    gap: 30px;
}
.speaker-wrap {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 1rem;
}
@media (max-width: 999px) {
	.speakers-group {
		display: block;
	}
}
@media (max-width: 766px) {
	.speakers-group {
		display: block;
		gap: 0px;
		width: 100%;
	}
}
.timetable-special .speaker-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    flex-shrink: 0;
}
.speaker-icon {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    flex-shrink: 0;
}
.speaker-icon  img {
	width: 100%;
	height: auto;
	border-radius: 50%;
	background-color: #CCC;
}
.timetable-special .speaker-name {
    font-size: 1.5rem;
    font-weight: bold;
}
.timetable-special .speaker-title {
    font-size: 1rem;
    color: #3f3f3f;
	font-weight: 600;
}
@media (max-width: 766px) {
	.timetable-special .speaker-title {
		font-size: 0.8rem;
	}
	.timetable-special .speaker-name {
		font-size: 1.25rem;
		font-weight: bold;
	}
}
.speaker-name {
    font-size: 1.25rem;
    font-weight: bold;
}
.speaker-title {
    font-size: 0.75rem;
    color: #3f3f3f;
	font-weight: 600;
}

/* Visual Info Box */
.visual-info {
    background-color: rgba(255,255,255,1);
    padding: 40px;
    border-radius: 20px;
    display: flex;
    gap: 20px;
    margin: 6rem 30px 0;
}
.visual-img-placeholder {
    width: 30%;
    flex-shrink: 0;
}
.visual-img-placeholder img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}
@media (max-width: 766px) {
    .visual-info {
        flex-direction: column;
        padding: 30px;
    }
    .visual-img-placeholder {
        width: 100%;
        height: 180px;
    }
	.visual-img-placeholder {
		width: 100%;
	}
}
/* Sponsors */
#sponsors {
	background-color: #FFF;
	margin-bottom: 3rem;
}
.sponsors-box {
	max-width:1200px;
	margin: 0 auto;
	padding: 3rem 0;
}
@media screen and (max-width: 1200px) and (min-width: 767px) {
	.sponsors-box {
		width:95%;
	}
}
@media (max-width: 766px) {
	.sponsors-box {
		width:95%;
	}
}
/* 左右に横線が入るサブタイトル */
.hero-subtext-lined {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px; /* テキストと線の間の隙間 */
    font-size: 1.5rem;
    color: #0a4b3d; /* テキストと線の色（デザインに合わせて調整） */
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 20px; /* 下との余白 */
	font-family: "bc-sklonar", sans-serif;
	font-weight: 700;
	font-style: normal;
}
@media (max-width: 766px) {
	.hero-subtext-lined {
		font-size: 1.25rem;
	}
}
/* 左右の横線（擬似要素） */
.hero-subtext-lined::before,
.hero-subtext-lined::after {
    content: "";
    flex: 0 1 60px; /* 線の長さ（最大60pxまで伸びる） */
    height: 1px; /* 線の太さ */
    background-color: currentColor; /* 文字色と同じ色にする */
}
.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 20px;
    justify-content: center;
    margin-bottom: 0px;
}
@media (max-width: 766px) {
   .sponsors-grid {
     gap: 10px;
    }
}
.sponsor-box {
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}
.sponsor-box02 {
	height: 80px;
}
.sponsor-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain; /* 画像のアスペクト比を維持して収める */
}
@media (max-width: 766px) {
	.sponsor-box {
		width: 100%;
		margin: 0 auto;
	}
	.sponsor-box img {
		max-width: 90%;
	}
}
/* outline Zeroboard */
.outline-flex {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}
.outline-table {
    flex: 1;
    border-collapse: collapse;
}
.outline-table th, .outline-table td {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    text-align: left;
    vertical-align: top;
}
.outline-table th {
    width: 200px;
    color: #666;
    font-weight: bold;
}
.outline-img-placeholder {
    width: 30%;
}
.outline-img-placeholder img {
    width: 100%;
    border-radius: 10px;
}
@media (max-width: 766px) {
    .outline-flex {
        flex-direction: column-reverse;
        gap: 20px;
    }
	.outline-table {
		font-size: 0.9rem;
	}
    .outline-img-placeholder {
        width: 200px;
		margin: auto;
    }
    .outline-table th {
        width: 110px;
    }
	.outline-img-placeholder {
		width: 80%;
	}
}
/* Anniversary */
.anniversary {
	background-color: rgb(255 255 255 / 80%);
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 30px;
	margin-bottom: 10rem;
	border-radius: 30px;
}
@media (max-width: 768px) {
	.anniversary {
		margin: 10px;
    	padding: 30px 10px;
	}
}

@media (max-width: 766px) {
	.anniversary-box {
		max-width: 90%;
		margin: 0 auto;
	}
}
.anniversary img {
	display: block;
    width: 70%;
    margin: 0 auto 20px;
	border-radius: 20px;
}
@media (max-width: 766px) {
	.anniversary img {
		width: 100%;
	}
	.anniversary h2 {
		margin: 0 auto 10px;
	}
}
.anniversary-title {
	color:#004b45;
    font-size: 1.75rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 10px;
    line-height: 1.8;
}
.anniversary-txt {
    text-align: center;
    color: #555;
    line-height: 2;
    margin-bottom: 15px;
}
@media (max-width: 766px) {
    .anniversary h2 {
        width: 100%;
    }
	.anniversary-title {
		margin-bottom: 15px;
	}
    .anniversary p {
        text-align: left;
    }
}

/* Application Form */
#form {
	background-color: rgb(255 255 255 / 80%);
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
	margin-bottom: 3rem;
	border-radius: 30px;
}
.form-box {
	max-width:1200px;
	margin: 0 auto;
	padding: 3rem 0;
}
.form-placeholder {
    width: 100%;
}
.form-placeholder iframe {
    width: 100%;
	height: 1950px;
}
@media (max-width: 768px) {
	#form {
		margin: 10px;
    	padding: 30px 10px;
	}
	.form-placeholder iframe {
		height: 2550px;
	}
}

/* Footer */
footer {
    background-color: var(--primary-green);
    color: white;
    padding: 60px 20px 30px;
    text-align: center;
}
.footer-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    font-size: 0.8rem;
    flex-wrap: wrap;
	font-family: "bc-sklonar", sans-serif;
	font-weight: 500;
	font-style: normal;
}
@media (max-width: 768px) {
    .footer-nav {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
}
.footer-nav a:hover {
    text-decoration: underline;
}
.footer-logo {
    width: 20%;
	margin: 40px auto 20px;
}
.footer-logo img {
    width: 100%;
	text-align: center;
}
.copyright {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
}


/* =========================================
   レスポンシブ対応 (スマートフォン向け 768px以下)
   ========================================= */
@media (max-width: 768px) {
    /* 全般的な余白やタイトル */
    .card {
        padding: 30px 20px;
        margin-bottom: 40px;
    }
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }
    .concept-text {
        text-align: left;
    }
}

/* =========================================
   Profile Button & Modal (Popup)
   ========================================= */
/* プロフィールボタン（画像に合わせた薄い黄緑色） */
.btn-profile {
    background-color: #dada8a;
    color: #3f3f3f;
    border: none;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.2s, opacity 0.2s;
}

.btn-profile:hover {
    opacity: 0.8;
}

/* モーダルの背景（黒い半透明のオーバーレイ） */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2000; /* ヘッダーより手前に表示 */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* jsで.is-openが付与されたら表示 */
.modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

/* モーダルの白いボックス */
.modal-content {
    background-color: #fff;
    width: 90%;
    max-width: 500px;
    border-radius: 15px;
    padding: 50px 24px 30px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    max-height: 80vh;          /* 画面の高さの「最大80%」までに制限する */
    overflow-y: auto;          /* 縦方向にはみ出た場合だけスクロールバーを出す */
    -webkit-overflow-scrolling: touch; /* スマホ（iOS）で慣性スクロールを効かせて滑らかにする */
}

.modal-overlay.is-open .modal-content {
    transform: translateY(0);
}

/* 閉じる(×)ボタン */
.modal-close {
    position: absolute;
    top: 15px;         /* 上から15pxの位置に固定 */
    right: 15px;       /* 右から15pxの位置に固定 */
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;        /* スクロールする中身（写真やテキスト）より必ず手前に表示させる */
    padding: 10px;      /* スマホでタップしやすいように押しやすい広さを確保 */
    line-height: 1;
    transition: color 0.2s;
	color: #004b45;
}

.modal-close:hover {
    color: #333;
}

/* モーダルの中身 */
.modal-body {
    text-align: center;
}

.modal-speaker-icon {
    width: 120px;
    height: 120px;
    background-color: #ddd;
    border-radius: 50%;
    margin: 0 auto 20px;
    object-fit: cover; 
    display: block;
}

.modal-speaker-title {
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
}

.modal-speaker-name {
    font-size: 22px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.modal-speaker-bio {
    font-size: 14px;
    line-height: 1.8;
    text-align: left;
    color: #444;
}