/* 基本設定 */
:root {
    --navy: #1B365D;
    --text-black: #333;
    --bg-gray: #f9f9f9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: var(--text-black);
    background-color: #fff;
}

/* 明朝体クラス */
h1, h2, h3, .section-title {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
}

.container {
    max-width: 1100px;
    margin: 80px auto;
    padding: 0 20px;
}

.centered { text-align: center; }

/* ヒーローセクション */
.hero {
    height: 100vh;
    background: url('img/top.jpg') no-repeat center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
}

.hero-sub { font-size: 1.2rem; letter-spacing: 0.3em; margin-bottom: 20px; text-shadow: 2px 1px 3px #000;}
.hero h1 { font-size: 6rem; margin-bottom: 10px;text-shadow: 4px 1px 7px #000; }
.hero-tags { font-size: 1.5rem; border-top: 1px solid #fff; border-bottom: 1px solid #fff; display: inline-block; padding: 10px 40px; margin-bottom: 30px; text-shadow: 1px 1px 2px #000;}

.cta-button {
    display: block;
    background: #fff;
    color: var(--navy);
    padding: 12px 60px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: 0.3s;
    width: 350px;
    margin: 0 auto;
}

/* セクションタイトル */
.section-title {
    font-size: 2.5rem;
    color: var(--navy);
    margin-bottom: 40px;
    letter-spacing: 0.1em;
}

/* コンセプト */
.concept-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.concept-image img { width: 100%; border-radius: 4px; }

/* 3列グリッド（Schedule & Point） */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 20px; 
    width: 100%;
    max-width: 1100px; 
    margin: 0 auto;
}

.card {
    border: 2px solid #eee;
}

.card img { width: 100%; display: block; }

.card-body {
    padding: 20px;
}

.card-body h3 { font-size: 1.2rem; color: var(--navy); margin-bottom: 10px; }
.card-body p { font-size: 0.9rem; text-align: justify;}

/* ポイントセクション */
.point-box {
    padding: 20px;
    margin-top: -5px;
}

.point-item {
    display: flex;
    flex-direction: column; 
    width: 100%;
	border: 2px solid #eee;
}

.point-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2; 
    object-fit: cover; 
    display: block;
}

.point-box {
    padding: 20px;
    background-color: #fff;
    margin-top: -1px; 
    flex-grow: 1; 
    box-sizing: border-box; 
}

.point-box h3 {
    color: #1B365D;
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-family: 'Noto Serif JP', serif;
}

.point-box p {
    font-size: 0.9rem;
    margin: 0;
	text-align: justify;
}


/* 動画 */
.video-placeholder {
    width: 100%;
    max-width: 800px;
    aspect-ratio: 16/9;
    background: #ddd;
    margin: 20px auto;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.play-button {
    width: 80px;
    height: 80px;
    background: red;
    border-radius: 50%;
    position: relative;
}

.play-button::after {
    content: '';
    border-style: solid;
    border-width: 15px 0 15px 25px;
    border-color: transparent transparent transparent white;
    position: absolute;
    top: 25px;
    left: 32px;
}

/* 詳細テーブル風 */
.detail-row {
    display: flex;
    border-bottom: 1px solid #ccc;
    padding: 25px 0;
}

.detail-label {
    width: 350px;
    font-weight: bold;
    color: var(--navy);
    font-size: 1.2rem;
	text-align: center;
}

.detail-content { flex: 1; }
.detail-content strong{
	font-weight: bold;
	font-size: 1.2rem;
	display: block;
}
.fixed-footer-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95); /* 背景を少し透過 */
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    z-index: 9999;
    
    /* 初期状態は下に隠しておく */
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 表示された時のクラス */
.fixed-footer-cta.is-show {
    transform: translateY(0);
}

.container-narrow {
	display: flex;
	flex-flow: wrap;
	justify-content: space-around;
}
a.link{
    display: block;
    text-align: center;
    color: #FFF;
    text-decoration: none;
    width: 250px;
    border-radius: 50px;
    background: var(--navy);
    padding: 10px 0;
}
.footer-cta-button {
    display: block;
    width: 50%;
    color: var(--navy);
    text-align: center;
    padding: 15px 0;
    font-weight: bold;
    font-size: 1.1rem;
    text-decoration: none;
}
.b_l{
	border-left: 2px solid #CCC;
}
.footer-cta-button:hover {
    transform: scale(1.02);
}
/* レスポンシブ */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
	.hero-tags{
		font-size: 1.2rem;
	}
	.section-title{
		line-height: 1.5;
	}
	.concept-grid{
		display: block;
		
	}
	.concept-image{
		margin-top: 20px;
	}
	 .grid-3 {
        grid-template-columns: 1fr; 
        gap: 30px;
    }
    .detail-row { flex-direction: column; }
    .detail-label { margin-bottom: 10px;text-align: center;width: 100%;	 }
	.detail-content strong{ text-align: center; margin-bottom: 0.5em;}
	.detail-content{line-height: 1.5;}
	    .footer-cta-button {
        font-size: 1rem;
        padding: 12px 0;
    }
    .fixed-footer-cta {
        padding: 10px 15px;
    }
	a.link{
		margin: 0 auto;
	}
}