.guide-header {
    padding: 140px 20px 60px;
    text-align: center;
    background-color: #f5f5f7;
}

.guide-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #1d1d1f;
    letter-spacing: -0.02em;
    margin: 0;
}

.guide-main {
    padding: 80px 20px 120px;
    background-color: #ffffff;
}

.guide-container {
    max-width: 800px;
    margin: 0 auto;
}

.guide-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 80px;
    padding-bottom: 40px;
    border-bottom: 1px solid #d2d2d7;
}

.guide-nav a {
    text-decoration: none;
    color: #0071e3;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.2s ease;
}

.guide-nav a:hover {
    color: #0077ed;
    text-decoration: underline;
}

.guide-section {
    margin-bottom: 80px;
    scroll-margin-top: 100px; 
}

.guide-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e5e5ea;
}

.guide-section h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1d1d1f;
    margin: 40px 0 15px;
}

.guide-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333336;
    margin-bottom: 20px;
    white-space: pre-wrap;
}

.guide-section ul {
    margin: 0 0 20px 20px;
    padding: 0;
}

.guide-section li {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333336;
    margin-bottom: 10px;
}

.learn-more-link {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 600;
    color: #0071e3;
    text-decoration: none;
    margin-top: 10px;
    transition: color 0.2s ease;
}

.learn-more-link:hover {
    color: #0077ed;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .guide-header { padding: 100px 20px 40px; }
    .guide-title { font-size: 2.5rem; }
    .guide-main { padding: 50px 20px 80px; }
    .guide-nav { flex-direction: column; gap: 15px; margin-bottom: 50px; }
    .guide-section h2 { font-size: 1.6rem; }
    .guide-section h3 { font-size: 1.2rem; }
    .guide-section p, .guide-section li, .learn-more-link { font-size: 1rem; }
}

html { scroll-behavior: smooth; }