:root {
    --bg: #ffffff;
    --fg: #111111;
    --muted: #666666;
    --accent: #0c63e7;
    --border: #e0e0e0;
    --section-bg: #f8fafc;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.7;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

header {
    border-bottom: 1px solid var(--border);
    background: #f5f7fb;
}

.nav {
    max-width: 1120px;
    margin: 0 auto;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

.nav-logo {
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 18px;
    font-size: 14px;
}

.hero {
    max-width: 1120px;
    margin: 0 auto;
    padding: 40px 16px 48px;
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
}

.hero-title {
    font-size: 32px;
    font-weight: 750;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--muted);
    margin-bottom: 20px;
    max-width: 560px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.badge {
    font-size: 11px;
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 4px 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: #ffffff;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 10px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 999px;
    border: none;
    background: var(--accent);
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary:hover {
    opacity: 0.9;
    text-decoration: none;
}

.hero-note {
    font-size: 12px;
    color: var(--muted);
    max-width: 520px;
}

.hero-image img {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: block;
}

main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px 16px 64px;
}

section {
    margin-top: 40px;
}

section:first-of-type {
    margin-top: 0;
}

h2 {
    font-size: 24px;
    margin-bottom: 8px;
}

.section-intro {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 16px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.card {
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 18px 18px 16px;
    background: #ffffff;
    margin-top: 16px;
}

.card h3 {
    font-size: 18px;
    margin-top: 0;
    margin-bottom: 6px;
}

ul {
    padding-left: 18px;
    margin: 0;
}

li {
    margin-bottom: 6px;
}

.highlight-box {
    background: var(--section-bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 18px;
    margin-top: 16px;
    font-size: 14px;
}

.domain-list {
    list-style: none;
    padding-left: 0;
}

.domain-list li::before {
    content: "•";
    margin-right: 6px;
}

.faq-wrapper {
    margin-top: 12px;
}

details {
    border-radius: 10px;
    border: 1px solid var(--border);
    padding: 10px 12px;
    background: #ffffff;
    margin-bottom: 10px;
}

summary {
    list-style: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
}

summary::-webkit-details-marker {
    display: none;
}

details p {
    margin-top: 8px;
    font-size: 14px;
    color: #333333;
}

.contact-box {
    margin-top: 16px;
    padding: 18px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #f9fafb;
    font-size: 14px;
}

footer {
    border-top: 1px solid var(--border);
    padding: 18px 16px 26px;
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    background: #f8f8f8;
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: minmax(0, 1fr);
        padding-top: 26px;
    }

    .hero-title {
        font-size: 26px;
    }

    .grid-2 {
        grid-template-columns: minmax(0, 1fr);
    }

    .nav-links {
        display: none;
    }
}

/* For block code like <pre><code> */
pre,
pre code {
    white-space: pre-wrap;
    /* allow wrapping */
    white-space: -moz-pre-wrap;
    /* Firefox */
    white-space: -pre-wrap;
    /* old Opera */
    white-space: -o-pre-wrap;
    /* old Opera */
    word-wrap: break-word;
    /* legacy */
    overflow-wrap: anywhere;
    /* modern */
    overflow-x: hidden;
    /* hide any remaining horizontal overflow */
    overflow-y: auto;
    /* keep vertical scroll when needed */
    max-width: 100%;
    /* avoid overflow of parent container */
}

/* For inline <code> inside text */
code {
    white-space: normal;
    word-break: break-word;
}