* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito', sans-serif;
    background-color: #efefef;
    color: #666666;
    line-height: 1.7;
    font-size: 16px;
}

main {
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 80px;
    margin-top: 50px;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #666666;
    letter-spacing: 0.05em;
}

/* Intro Section */
.intro {
    text-align: center;
    margin-bottom: 100px;
    font-style: italic;
}

.intro p {
    margin-bottom: 1em;
    font-size: 1.15rem;
}

.intro p:last-child {
    margin-bottom: 0;
}

/* Accent Text */
.accent-text {
    color: #4679c5;
}

/* Links */
a {
    color: #4679c5;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}

/* Content Section */
.content {
    text-align: center;
    margin-bottom: 20px;
}

h2 {
    font-size: 18px;
    font-weight: 700;
    color: #666666;
    margin-bottom: 30px;
}

.content p {
    text-align: center;
    margin-bottom: 1.5em;
    font-size: 0.95rem;
}

.content p:last-child {
    margin-bottom: 0;
}

/* Image Section */
.image-section {
    margin-top: 30px;
    margin-bottom: 80px;
}

.image-section img {
    width: 100%;
    height: auto;
    display: block;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 80px;
    padding-top: 60px;
}

footer p {
    margin-bottom: 0.5em;
    font-size: 0.95rem;
}

footer .company-name {
    font-weight: 700;
    margin-bottom: 1em;
}

footer a {
    text-decoration: none;
    color: #666666;
}

.social-links {
    margin-top: 1.5em;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    font-size: 1.3rem;
    color: #666666;
    transition: color 0.2s ease;
}

.social-links a:hover {
    color: #4679c5;
}

/* Responsive */
@media (max-width: 600px) {
    main {
        padding: 40px 16px;
    }

    h1 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1rem;
    }

    .intro,
    .content {
        margin-bottom: 40px;
    }
}