body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: #f0f2f5;
    color: #333;
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

header {
    text-align: center;
    border-bottom: 3px solid #004c99; /* SEGA blue */
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

header h1 {
    color: #004c99; /* SEGA blue */
    margin: 0;
    font-size: 2.5rem;
}

.author {
    font-style: italic;
    color: #555;
    margin-top: 0.5rem;
}

.intro {
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 2rem;
    color: #444;
}

.side-note {
    background-color: #eef7ff; /* A light blue */
    border-left: 5px solid #004c99; /* SEGA blue */
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
}

.side-note p {
    margin: 0;
}

.character-profile {
    margin-bottom: 2rem;
}

.character-profile h2 {
    color: #d60000; /* SEGA red */
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
    font-size: 2rem;
}

.character-profile img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem auto;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-height: 350px;
}

.character-profile p {
    text-align: justify;
}