/* Basic Reset & Font */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Lato', sans-serif;
    /* *** MODIFIED: Added background image properties *** */
    background-image: url('shin-bijutsukai-0324.jpeg'); /* Your image filename */
    background-size: cover; /* Cover the entire viewport */
    background-position: center center; /* Center the image */
    background-repeat: no-repeat; /* Do not repeat the image */
    background-attachment: fixed; /* Keep background fixed during scroll */
    /* *** ADDED: Fallback background color if image fails *** */
    background-color: #f0f2f5;
    color: #333;
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* Container */
.container {
    background-color: rgba(255, 255, 255, 0.95); /* *** MODIFIED: Slightly transparent white for better readability over image *** */
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2); /* Slightly stronger shadow */
    max-width: 600px;
    width: 100%;
    text-align: center;
}

/* Header */
header h1 {
    font-size: 2em;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 700;
}

header p {
    font-size: 1.1em;
    color: #444; /* Slightly darker text for better contrast */
    margin-bottom: 30px;
    font-weight: 300;
}

/* Network Links Section */
.network-links h2 {
    font-size: 1.4em;
    color: #34495e;
    margin-bottom: 25px;
    border-bottom: 1px solid #ddd; /* Slightly darker border */
    padding-bottom: 10px;
    font-weight: 400;
}

/* Buttons (Keep existing styles) */
.button {
    display: block;
    background-color: #3498db;
    color: #ffffff;
    text-decoration: none;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 1.1em;
    font-weight: 400;
    text-align: left;
    transition: background-color 0.3s ease, transform 0.2s ease;
    position: relative;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Add subtle shadow to buttons */
}

.button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.button-icon {
    margin-right: 12px;
    font-size: 1.2em;
    display: inline-block;
    vertical-align: middle;
    width: 25px;
    text-align: center;
}

/* WIP Button Styling (Keep existing styles) */
.button.disabled {
    background-color: #bdc3c7;
    color: #7f8c8d;
    cursor: not-allowed;
    pointer-events: none;
    opacity: 0.7;
    box-shadow: none; /* Remove shadow for disabled */
}

.button.disabled:hover {
    background-color: #bdc3c7;
    transform: none;
    box-shadow: none;
}

.wip-tag {
    font-size: 0.8em;
    font-weight: 700;
    color: #c0392b; /* Slightly darker red */
    margin-left: 8px;
    vertical-align: middle;
}

/* Footer */
footer {
    margin-top: 40px;
    font-size: 0.9em;
    color: #666; /* Slightly darker grey for footer text */
}

footer a {
    color: #3498db;
    text-decoration: none;
}

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

/* *** ADDED: Style for the image credit *** */
.image-credit {
    margin-top: 15px; /* Space above the credit line */
    font-size: 0.75em; /* Make it smaller */
    color: #888; /* Lighter grey */
    font-style: italic;
}

/* Responsive Adjustments (Keep existing styles) */
@media (max-width: 600px) {
    .container {
        padding: 25px;
        background-color: rgba(255, 255, 255, 0.98); /* Increase opacity slightly on mobile if needed */
    }

    header h1 {
        font-size: 1.8em;
    }

    header p {
        font-size: 1em;
    }

    .button {
        padding: 12px 15px;
        font-size: 1em;
    }
}