:root{--ink:#202124;--sub:#687078;--paper:#f7f5ef;--card:#fff;--line:#dedbd1;--accent:#376b64;--nav:#fbfaf6}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Yu Gothic",sans-serif;background:var(--paper);line-height:1.8}a{color:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}header{background:#fff;border-bottom:1px solid var(--line);padding:10px 0}.headrow{display:flex;align-items:center;gap:18px}.banner-link{display:block;flex:1;min-width:0}.site-banner{display:block;width:100%;max-width:720px;height:auto;max-height:82px;object-fit:contain;object-position:left center}.brand{font-weight:800;font-size:24px;text-decoration:none;white-space:nowrap}.brand span{font-size:13px;margin-left:7px;color:var(--accent);letter-spacing:.08em}.tag{color:var(--sub);font-size:12px}header form{margin-left:auto;display:flex;gap:6px}header input{width:220px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}button{padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);cursor:pointer}.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:28px;align-items:start}.sidebar{position:sticky;top:14px;background:var(--nav);border-right:1px solid var(--line);padding:24px 18px 24px 0;max-height:calc(100vh - 28px);overflow:auto}.sidebar h2{font-size:14px;margin:0 0 12px;color:var(--sub);letter-spacing:.06em}.sidebar ul{list-style:none;padding:0;margin:0}.sidebar li{margin:2px 0}.sidebar a{display:block;padding:6px 10px;border-radius:7px;text-decoration:none;font-size:14px}.sidebar a:hover,.sidebar a.active{background:#eaf0ed;color:var(--accent)}main{min-width:0}.hero{padding:52px 0 38px}.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--accent);font-weight:800}.hero h1,.pagehead h1,.article-head h1{font-size:clamp(36px,6vw,66px);line-height:1.18;margin:12px 0 20px}.hero p{max-width:720px;color:var(--sub)}h2{font-size:22px;margin:34px 0 16px}.card{background:var(--card);border:1px solid var(--line);padding:24px;border-radius:14px;display:block}.note{margin:30px 0 55px;padding:22px 26px;border-left:4px solid var(--accent);background:#fff}.crumb{padding:25px 0 10px;font-size:13px;color:var(--sub)}.crumb a{color:var(--accent)}.pagehead{padding:20px 0 22px}.pagehead h1,.article-head h1{font-size:46px}.category-tree{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--accent);font-size:14px;margin:5px 0 20px}.article-row{display:flex;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);padding:18px 22px;text-decoration:none;border-radius:11px;margin:9px 0}.article-row:hover{border-color:#c7c2b6}.article-row b{font-size:18px}.article-row p{margin:3px 0 0;color:var(--sub);font-size:13px}.article-head{padding:22px 0}.source{color:var(--sub);font-size:13px}.grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(250px,.8fr);gap:28px}.grid article,.grid aside>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.grid article section+section{border-top:1px solid var(--line);margin-top:28px;padding-top:4px}.quote{font-size:20px}.grid ul{padding-left:22px}dl{display:grid;grid-template-columns:110px 1fr;margin:0}dt,dd{padding:8px 0;border-bottom:1px solid #eee}dt{color:var(--sub)}dd{margin:0}.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}.chips span{font-size:12px;background:#edf2f0;color:var(--accent);padding:4px 9px;border-radius:999px}.related{margin:30px 0 70px}.related a{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 13px;margin:0 6px 8px 0;text-decoration:none;font-size:13px}.related .chip{display:inline-block;background:#edf2f0;color:var(--accent);border:0;border-radius:999px;padding:6px 12px;margin:0 6px 8px 0;text-decoration:none;font-size:13px;line-height:1.5}.related .chip:hover{background:#e4ece9}.sourcebox{margin-top:26px;padding:16px 18px;background:#faf8f2;border:1px dashed #cfc9bc;border-radius:10px;color:var(--sub);font-size:12px}.stat{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.stat div{background:#fff;border:1px solid var(--line);padding:16px;border-radius:10px}.stat b{display:block;font-size:22px;color:var(--accent)}.searchbox{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin:20px 0}.searchbox input{width:min(520px,100%);padding:10px 12px;border:1px solid var(--line);border-radius:8px}.search-results{margin-top:16px}.small{color:var(--sub);font-size:12px}footer{border-top:1px solid var(--line);padding:25px 0;color:var(--sub);font-size:12px;margin-top:30px}.section-label{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.05em}.toc{columns:2;column-gap:28px}.toc li{break-inside:avoid;margin:4px 0}.facts{display:grid;grid-template-columns:1fr 1fr;gap:12px}.facts .card{padding:18px}.facts b{font-size:13px;color:var(--sub);display:block}.facts span{font-size:18px}.media-note{background:#f0f4f1;border-radius:10px;padding:14px 16px;margin:18px 0;color:#46605b}
@media(max-width:900px){.site-banner{max-width:100%;max-height:72px}.layout{grid-template-columns:1fr}.sidebar{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--line);padding:14px 0}.sidebar ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 10px}.headrow{flex-wrap:wrap}header form{flex:0 0 auto}header form{margin-left:0}.grid{grid-template-columns:1fr}.toc{columns:1}.facts{grid-template-columns:1fr}}
@media(max-width:560px){.photo-grid{grid-template-columns:1fr}.wrap{width:min(100% - 24px,1180px)}.sidebar ul{grid-template-columns:1fr}.hero{padding-top:32px}.pagehead h1,.article-head h1{font-size:36px}header input{width:180px}}

/* Ver.0.4 full-text pass: responsive legacy content */
.legacy-content dl{display:block;margin:0}.legacy-content dt,.legacy-content dd{padding:8px 0;border-bottom:1px solid #eee}.legacy-content dt{color:var(--sub)}.legacy-content dd{margin:0}.legacy-content h2,.legacy-content h3{scroll-margin-top:20px}.legacy-content h2{margin-top:34px}.legacy-content h3{font-size:18px;margin-top:28px}.legacy-content p{margin:12px 0}.legacy-content table.data-table{border-collapse:collapse;width:100%;margin:18px 0;font-size:13px;line-height:1.7;background:#fff}.legacy-content table.data-table td,.legacy-content table.data-table th{border:1px solid var(--line);padding:7px 8px;vertical-align:top;text-align:left}.legacy-content .data-table td[colspan]{white-space:normal}.legacy-content ul{padding-left:22px}.legacy-content blockquote{margin:18px 0;padding:12px 16px;border-left:3px solid var(--line);background:#faf8f2}.legacy-toc{background:#faf8f2;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:8px 0 24px}.legacy-toc ul{margin:8px 0 0;padding-left:20px}.legacy-toc li{margin:3px 0}.legacy-toc li.sub{font-size:13px;margin-left:14px}.legacy-toc a{color:var(--accent);text-decoration:none}.legacy-toc a:hover{text-decoration:underline}.legacy-content table.data-table{overflow-wrap:anywhere}.table-scroll{overflow-x:auto}.legacy-content .table-scroll{margin:18px 0}.legacy-content .table-scroll table{margin:0;min-width:620px}@media(max-width:700px){.legacy-content table.data-table{font-size:12px}.legacy-content table.data-table td,.legacy-content table.data-table th{padding:6px}.legacy-toc{font-size:13px}}

.article-gallery{margin:18px 0 34px;padding:20px 0 4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.gallery-intro{color:var(--sub);font-size:13px;margin-top:-4px}.photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.photo-grid figure{margin:0;background:#faf9f4;border:1px solid var(--line);border-radius:10px;overflow:hidden}.photo-grid a{display:block;background:#f1f0ea}.photo-grid img{display:block;width:100%;height:auto}.photo-grid figcaption{padding:9px 11px;font-size:12px;color:var(--sub)}

.legacy-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:8px 0}.legacy-item b{display:block;font-size:16px}.legacy-item p{margin:4px 0 0;color:var(--sub);font-size:13px}

/* 記事内の表：目次を除き薄い実線で統一 */
.legacy-content table:not(.toc):not(#toc){border-collapse:collapse;background:#fff}
.legacy-content table:not(.toc):not(#toc) th,.legacy-content table:not(.toc):not(#toc) td{border:1px solid var(--line);padding:7px 8px;vertical-align:top;text-align:left}