body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7e9c6; /* きつね色に近い色 */
}

main{
    
    margin-bottom: 1.5em;
}

header {
    background-color: #955539; /* ダークなオレンジ色 */
    color: #fff;
    text-align: center;
    padding: 1em 0;
}

nav {
    background-color: #e0ac69; /* 明るいオレンジ色 */
    text-align: center;
    padding: 10px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

nav ul li {
    margin: 0 5px;
}

nav ul li a {
    color: #3d2915; /* 濃い茶色 */
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    background-color: var(--bg-color); /* 動的に設定したカラー */
    transition: background-color 0.3s ease, color 0.3s ease;
    display: inline-block;
    position: relative;
}

nav ul li a:hover {
    filter: brightness(90%);
}

.main {
    max-width: 800px;
    margin: 20px auto;
}

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.photo {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.photo img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

footer {
    background-color: #955539; /* ダークなオレンジ色 */
    color: #fff;
    text-align: center;
    padding: 0.25em 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

footer p{
    margin: 0;
}


small{
    color: #999;
}