:root {
    --page-bg: #f6f8fb;
    --panel-bg: #ffffff;
    --line: #d9dfe7;
    --text: #1f2430;
    --muted: #5b6575;
    --link: #2387f3;
    --section: #4caf50;
    --row-alt: #f3f3f3;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--page-bg);
    color: var(--text);
    font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
    line-height: 1.7;
}

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

a:hover,
a:focus-visible {
    text-decoration: underline;
}

.space-links-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 16px 48px;
}

.space-links-hero {
    margin-bottom: 1.25rem;
}

.space-links-title {
    margin: 0 0 0.5rem;
    font-size: 1.9rem;
    color: var(--text);
}

.space-links-lead,
.space-links-note {
    margin: 0.4rem 0 0;
    color: var(--muted);
}

.space-links-note {
    font-size: 0.9rem;
}

.space-links-section {
    margin-bottom: 1.5rem;
}

.space-links-section-header {
    background: var(--section);
    color: #ffffff;
    padding: 0.95rem 1.2rem;
    margin-bottom: 0;
}

.space-links-heading {
    margin: 0;
    font-size: 1.7rem;
    color: #ffffff;
}

.space-links-description {
    margin: 0.4rem 0 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.space-links-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel-bg);
    border: 1px solid var(--line);
    border-top: none;
}

.space-links-table th,
.space-links-table td {
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
    font-size: 0.98rem;
}

.space-links-table th {
    width: 28%;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: left;
    color: var(--text);
    background: #ffffff;
}

.space-links-table tr:nth-child(even) th,
.space-links-table tr:nth-child(even) td {
    background: var(--row-alt);
}

.space-links-table td {
    color: var(--muted);
}

.space-links-table a {
    font-size: 1rem;
}

.space-table-note {
    display: block;
    margin-top: 0.22rem;
    color: var(--muted);
}

.back-link {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 700;
}

@media (max-width: 768px) {
    .space-links-page {
        padding: 14px 10px 36px;
    }

    .space-links-heading {
        font-size: 1.4rem;
    }

    .space-links-table,
    .space-links-table tbody,
    .space-links-table tr,
    .space-links-table th,
    .space-links-table td {
        display: block;
        width: 100%;
    }

    .space-links-table th,
    .space-links-table td {
        padding: 0.8rem 0.9rem;
    }

    .space-links-table th {
        border-bottom: none;
        padding-bottom: 0.15rem;
    }

    .space-links-table td {
        padding-top: 0;
    }
}