/* 共通スタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
    background-color: #fef1f1;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ヘッダー */
#header {
    background-color: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 15px 0;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

#header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

#header_logo {
    height: 50px;
    display: flex;
    align-items: center;
}

#header_logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

#header_title {
    color: #19345A;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 1px;
    margin: 0;
    margin-left: 50px;
}

/* フッター */
#footer {
    background-color: #ffffff;
    color: #666;
    margin-top: 30px;
    padding: 14px 0 10px;
    border-top: 1px solid #e0e0e0;
}

#footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

#footer_links {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

#footer_links a {
    color: #222;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
    position: relative;
    padding: 3px 0;
}

#footer_links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #30A29C;
    transition: width 0.3s ease;
}

#footer_links a:hover {
    color: #19345A;
}

#footer_links a:hover::after {
    width: 100%;
}

#copyright {
    text-align: center;
    font-size: 12px;
    color: #999;
    letter-spacing: 0.5px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #e0e0e0;
}

/* レスポンシブ */
@media (max-width: 768px) {
    #header {
        padding: 12px 0;
    }
    
    #header .container {
        gap: 12px;
    }
    
    #header_logo {
        height: 40px;
    }
    
    #header_title {
        font-size: 20px;
    }
    
    #footer {
        padding: 12px 0 8px;
    }
    
    #footer_links {
        gap: 25px;
        flex-direction: column;
        align-items: center;
        margin-bottom: 8px;
    }
    
    #footer_links a {
        font-size: 13px;
    }
    
    #copyright {
        margin-top: 6px;
        padding-top: 6px;
    }
}