@charset "utf-8";

/* 全体のスタイル設定 */
body {
    font-family: "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック体", "YuGothic", "メイリオ", sans-serif;
    background-image: url("../img/bgDX01.jpg");
    background-attachment: fixed;
    background-size: cover;
    margin: 0;
    padding: 20px;
    color: #333;
    line-height: 1.6;
}

/* コンテナ */
.container {
    max-width: 1000px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 30px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* ヘッダー・ロゴ */
.header-logo {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
}

h1 {
    font-size: 1.5rem;
    margin: 20px 0;
}

h1 a {
    color: #2060e0;
    text-decoration: none;
}

h1 a:hover {
    text-decoration: underline;
}

hr {
    border: none;
    border-top: 3px solid #2060e0;
    margin: 25px 0;
}

/* 動画エリア */
.video-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

video {
    width: 100%;
    max-width: 368px;
    height: auto;
    border: 1px solid #ccc;
}

/* メインタイトル */
.main-title {
    font-size: 1.75rem;
    color: #003070;
    font-weight: bold;
    margin-top: 10px;
}

.sub-title {
    font-size: 1.1rem;
    color: #003070;
    margin-bottom: 20px;
}

/* 注意書き */
.caution {
    color: #a00000;
    font-weight: bold;
    border: 1px solid #a00000;
    padding: 15px;
    margin: 20px 0;
    background-color: #fffafa;
}

/* 調査データセクション */
.survey-section {
    margin-top: 40px;
}

.survey-date {
    font-size: 1.4rem;
    font-weight: bold;
    border-left: 8px solid #003070;
    padding-left: 10px;
    margin: 30px 0 15px 0;
    color: #333;
}

.data-card {
    margin-bottom: 30px;
    padding-left: 10px;
}

.data-card a {
    text-decoration: none;
    color: #003070;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.data-card img {
    width: 200px;
    height: auto;
    border: 1px solid #ccc;
    transition: transform 0.2s;
}

.data-card img:hover {
    transform: scale(1.05);
}

.data-card span {
    font-size: 1.1rem;
    font-weight: bold;
    flex: 1;
    min-width: 250px;
}

.point-cloud-links {
    margin-top: 10px;
    margin-left: 215px;
    font-size: 0.95rem;
}

.point-cloud-links a {
    display: inline;
    color: #2060e0;
    text-decoration: underline;
}

/* フッター */
footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 3px solid #2060e0;
}

.footer-logos {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
}

.footer-logos img {
    max-height: 80px;
    width: auto;
}

.back-home {
    color: #003070;
    font-weight: bold;
    text-decoration: none;
}

.back-home:hover {
    text-decoration: underline;
}

/* モバイル対応 */
@media (max-width: 600px) {
    .point-cloud-links {
        margin-left: 0;
        margin-top: 15px;
    }
    .data-card img {
        width: 100%;
    }
    .container {
        padding: 15px;
    }
    .main-title {
        font-size: 1.4rem;
    }
}