@charset "utf-8";


:root {
    --primary-color: #1a365d;
    --secondary-color: #2b6cb0;
    --bg-color: #f7fafc;
    --card-bg: #ffffff;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --border-color: #e2e8f0;
    --jr-west: #0072bc;
    --jr-east: #008000;
    --jr-central: #ff6600;
    --jr-hokkaido: #02a040;
    --jr-shikoku: #00a0e9;
    --jr-kyushu: #ff0000;
    --jr-group: #2c3e50;
    --private-rail: #8e44ad;
    --fantasy-rail: #d35400;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.section-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.section-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.section-header {
    padding: 16px 20px;
    background-color: #edf2f7;
    border-bottom: 2px solid var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.link-list {
    list-style: none;
    padding: 10px 0;
}

.link-item {
    border-bottom: 1px solid var(--border-color);
}

.link-item:last-child {
    border-bottom: none;
}

.link-item a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.link-item a:hover {
    background-color: #f7fafc;
    color: var(--secondary-color);
}

.badge {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 12px;
    flex-shrink: 0;
}

/* 会社・区分別カラーバッジ */
.badge-jr-west {
    background-color: var(--jr-west);
}

.badge-jr-east {
    background-color: var(--jr-east);
}

.badge-jr-central {
    background-color: var(--jr-central);
}

.badge-jr-hokkaido {
    background-color: var(--jr-hokkaido);
}

.badge-jr-shikoku {
    background-color: var(--jr-shikoku);
}

.badge-jr-kyushu {
    background-color: var(--jr-kyushu);
}

.badge-jr-group {
    background-color: var(--jr-group);
}

.badge-private {
    background-color: var(--private-rail);
}

.badge-fantasy {
    background-color: var(--fantasy-rail);
}

.arrow-icon {
    margin-left: auto;
    color: #a0aec0;
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}

.link-item a:hover .arrow-icon {
    transform: translateX(4px);
    color: var(--secondary-color);
}