/* jigyou.css - 改良版: 見やすさ向上（バッジ/アイコン/折りたたみ） */
:root{
    --bg:#f6f8fa;
    --card:#ffffff;
    --accent:#0b4f8a; /* deep navy */
    --accent-2:#1862a0;
    --muted:#4b5563;
    --container:780px; /* narrower for focused reading */
    --radius:6px; /* sharper corners */
}
*{box-sizing:border-box}
html,body{height:100%;}
body{
    margin:0;
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", "Noto Sans JP", sans-serif;
    background:linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
    color:#0f172a;
    -webkit-font-smoothing:antialiased;
    line-height:1.6;
}
.container{
    max-width:var(--container);
    margin:0 auto;
    padding:28px 24px;
}
.site-header{
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color:#fff;
    padding:30px 0;
    margin-bottom:22px;
    border-bottom-left-radius:var(--radius);
    border-bottom-right-radius:var(--radius);
}
.site-header h1{margin:0;font-size:1.5rem;font-weight:700}
.lead{margin-top:8px;color:rgba(255,255,255,0.95);opacity:0.95}
.grid{display:flex;flex-direction:column;gap:22px;align-items:stretch;max-width:780px;margin:0 auto}
.card{
    background:var(--card);
    border-radius:6px;
    padding:20px;
    border:1px solid rgba(15,23,42,0.10);
    box-shadow:0 1px 0 rgba(15,23,42,0.04);
}
.card:hover{transform:none;box-shadow:0 2px 0 rgba(15,23,42,0.06)}
.card h2{margin:0 0 8px 0;color:var(--accent);font-size:1.02rem;display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:0.2px}
.badge{background:var(--accent);color:#fff;font-weight:700;padding:6px 12px;border-radius:3px;font-size:0.82rem;border:none;box-shadow:none}
.card ul{padding-left:1.2rem;margin:8px 0}
.card ul li{margin:8px 0;color:#0b1220}
.role-table{width:100%;border-collapse:collapse;margin-top:12px}
.role-table th,.role-table td{border:1px solid rgba(15,23,42,0.06);padding:12px;text-align:left}
.role-table th{background:#f8fafc;color:#0f172a;font-weight:700}
.role-table tbody tr:nth-child(odd){background:#ffffff}
.role-table tbody tr:nth-child(even){background:#fbfdff}

/* icons for different cards */
.icon-editor h2{border-left:4px solid #2b8ed1;padding-left:12px}
.icon-business h2{border-left:4px solid #1f6fb4;padding-left:12px}
.icon-publicity h2{border-left:4px solid #8b5cf6;padding-left:12px}
.icon-design h2{border-left:4px solid #f97316;padding-left:12px}
.icon-boundary h2{border-left:4px solid #6b7280;padding-left:12px}

/* graph area */
.network-container{height:420px;border-radius:6px;border:1px solid rgba(15,23,42,0.06);background:#fff;overflow:hidden}
.network-legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px}
.legend-item{display:flex;align-items:center;gap:8px;font-size:0.92rem;color:var(--muted)}
.legend-dot{width:12px;height:12px;border-radius:2px;display:inline-block;border:1px solid rgba(15,23,42,0.06)}

/* smaller screens */
@media (max-width:480px){
    .network-container{height:320px}
}

/* details summary styling */
details.reason{margin-top:10px}
details summary{cursor:pointer;list-style:none;font-weight:700;color:var(--accent);padding:6px 0;border-bottom:1px solid #eef2f7}
details summary::-webkit-details-marker{display:none}
details[open] summary{background:transparent}
details p{margin:10px 0 0 0;color:var(--muted)}

/* focus styles for accessibility */
.summary-focus:focus{outline:3px solid rgba(43,108,176,0.18);outline-offset:2px}

.site-footer{padding:20px 0;text-align:center;color:var(--muted);font-size:0.9rem;margin-top:28px}

/* responsive tweaks */
@media (max-width:640px){
    .site-header h1{font-size:1.2rem}
    .lead{display:none}
    .container{padding:16px}
    .grid{gap:14px}
}

/* mini-graph inside each card */
.mini-graph{height:72px;margin:10px 0 14px 0;border:1px solid rgba(15,23,42,0.04);background:#fbfdff;border-radius:6px;padding:8px;display:flex;align-items:center}
.mini-graph svg{width:100%;height:56px}
.card.focused{border-color:var(--accent);box-shadow:0 2px 0 rgba(11,79,138,0.06);}

/* print */
@media print{
    body{background:#fff;color:#000}
    .site-header,.site-footer{display:none}
    .card{box-shadow:none;border:1px solid #ddd}
    details summary{display:none}
}