/* 全体の設定 */
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
    background-color: #FFF8E1; /* 薄いオレンジ背景 */
    color: #333;
    text-align: center;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* 言語切り替えスイッチ */
.lang-switch {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 14px;
    font-weight: bold;
    color: #666;
    z-index: 100;
}
.lang-switch a {
    color: #FF6F00;
    text-decoration: none;
    cursor: pointer;
}
.lang-switch .active {
    color: #333;
    pointer-events: none;
    opacity: 0.5;
}

/* ヘッダー */
header {
    padding: 50px 20px 30px;
    background-color: #FFECB3;
}
.app-icon {
    width: 100px;
    height: 100px;
    border-radius: 22px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    margin-bottom: 10px;
}
h1 {
    font-size: 28px;
    margin: 10px 0;
    color: #FF6F00;
}
.subtitle {
    font-size: 16px;
    color: #555;
    margin-bottom: 20px;
}

/* スクリーンショット（横スクロール） */
.screenshots {
    background-color: #fff;
    padding: 30px 0;
    overflow-x: auto;
}
.scroll-container {
    display: flex;
    gap: 15px;
    padding-bottom: 10px;
    -webkit-overflow-scrolling: touch; 
}
.scroll-container img {
    width: 200px;
    border-radius: 20px;
    border: 1px solid #eee;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 機能説明 */
.features {
    padding: 40px 20px;
}
h2 {
    font-size: 20px;
    margin-bottom: 30px;
}
.feature-box {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: left;
}
.feature-box h3 {
    color: #D32F2F;
    margin-top: 0;
    font-size: 18px;
}

/* フッター */
footer {
    background-color: #333;
    color: #fff;
    padding: 30px 20px;
    font-size: 14px;
}
.links a {
    color: #FFC107;
    text-decoration: none;
    margin: 0 10px;
    display: inline-block;
}