:root{
  --paper:#FAFBF7;
  --grid:#E4E9E0;
  --ink:#17212B;
  --sub:#5B6672;
  --line:#C9D2CC;
  --panel:#FFFFFF;
  --t-pioneer:#B08A2E;
  --t-main:#31517A;
  --t-rising:#3D8B57;
  --t-expert:#6B4F7A;
  --t-security:#A33D3D;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:"IBM Plex Sans JP",-apple-system,"Hiragino Sans",sans-serif;
  color:var(--ink);
  background:var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:28px 28px;
  line-height:1.5;
}
.wrap{max-width:1360px;margin:0 auto;padding:18px 16px 48px}

/* ---------- compact header ---------- */
header{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px 24px;
  border-bottom:3px solid var(--ink);padding-bottom:12px;margin-bottom:6px;
}
.h-left .eyebrow{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.18em;color:var(--sub)}
h1{font-family:"Shippori Mincho B1",serif;font-weight:800;font-size:clamp(20px,3.4vw,32px);line-height:1.2}
h1 .accent{color:#B4552D}
.h-right{display:flex;flex-direction:column;gap:4px;margin-left:auto;padding-bottom:2px}
.tier-legend{display:flex;flex-wrap:wrap;gap:4px 10px;font-size:11px;align-items:center}
.tier-key{display:inline-flex;align-items:center;gap:4px;color:var(--sub);font-weight:500}
.tier-key .ring{width:11px;height:11px;border:2.5px solid #888;background:#fff}
.legend-note{font-family:"IBM Plex Mono",monospace;color:var(--sub);font-size:10px}

/* ---------- zones (dense) ---------- */
.zone{display:flex;gap:8px;margin-top:12px}
.zone-rail{
  flex:0 0 30px;
  writing-mode:vertical-rl;
  font-family:"Shippori Mincho B1",serif;
  font-weight:700;font-size:15px;letter-spacing:.3em;
  color:#fff;text-align:center;padding:12px 0;
  display:flex;align-items:center;justify-content:center;
}
.zone-body{flex:1;display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start}

/* ---------- category panels: icon clouds ---------- */
.panel{
  background:var(--panel);
  border:2px solid var(--hue,#888);
  padding:8px 10px 6px;
  box-shadow:0 1px 0 rgba(23,33,43,.06);
  cursor:zoom-in;
  transition:box-shadow .15s,transform .15s;
  flex:1 1 auto;
}
.panel:hover{box-shadow:0 4px 14px rgba(23,33,43,.16);transform:translateY(-1px)}
.panel h2{
  font-size:12.5px;font-weight:700;line-height:1.3;
  display:flex;justify-content:space-between;align-items:baseline;gap:8px;
  margin-bottom:2px;
}
.panel h2 .count{font-family:"IBM Plex Mono",monospace;font-size:10px;font-weight:400;color:var(--sub)}
.cloud{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:flex-start}
.tile{
  width:74px;
  display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:6px 2px 4px;
  cursor:zoom-in;
  transition:transform .12s;
}
.tile:hover{transform:scale(1.14);z-index:3;position:relative}
.tile .ic{
  width:48px;height:48px;
  background:#fff;border:2.5px solid var(--tier,#98a0a8);
  box-shadow:0 2px 6px rgba(23,33,43,.16);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.tile .ic img{width:36px;height:36px;object-fit:contain}
.tile .ic.mono{font-family:"IBM Plex Mono",monospace;font-size:20px;font-weight:700;color:#fff;background:var(--mono-bg,#8a8f98)}
.tile .nm{
  font-size:10px;font-weight:700;line-height:1.15;text-align:center;
  max-width:74px;overflow-wrap:break-word;
}

footer{margin-top:28px;border-top:1px solid var(--line);padding-top:10px;font-size:11px;color:var(--sub)}
footer p+p{margin-top:3px}

/* ---------- zoom overlay ---------- */
#ov{
  position:fixed;inset:0;z-index:50;display:none;
  background:rgba(23,33,43,.45);
  backdrop-filter:blur(3px);
  overflow-y:auto;
  padding:4vh 16px 6vh;
}
#ov.open{display:block}
#ovPanel{
  max-width:1080px;margin:0 auto;
  background:var(--paper);
  border:3px solid var(--hue,#888);
  box-shadow:0 18px 60px rgba(0,0,0,.35);
  padding:22px 26px 28px;
  transform-origin:center top;
}
#ovPanel.zooming{transition:transform .28s cubic-bezier(.2,.8,.25,1),opacity .28s}
.crumbs{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  font-size:12.5px;font-family:"IBM Plex Mono",monospace;color:var(--sub);
  margin-bottom:14px;
}
.crumbs a{color:var(--ink);text-decoration:none;border-bottom:1px dashed var(--sub);cursor:pointer}
.crumbs a:hover{color:#B4552D;border-color:#B4552D}
.crumbs .sep{color:var(--line)}
.crumbs .cur{font-weight:700;color:var(--ink)}
.ov-close{
  float:right;
  font-family:"IBM Plex Mono",monospace;font-size:12px;
  border:1.5px solid var(--ink);background:#fff;
  padding:4px 10px;cursor:pointer;
}
.ov-close:hover{background:var(--ink);color:#fff}
.ov-title{font-family:"Shippori Mincho B1",serif;font-weight:800;font-size:clamp(20px,3.6vw,30px);line-height:1.3}
.ov-desc{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
  max-width:980px;margin-top:16px;
}
.ov-desc-block{
  min-width:0;padding:12px 14px 13px;
  border:1px solid var(--line);border-top:3px solid var(--hue);background:#fff;
}
.ov-desc-block h3{
  display:flex;align-items:center;gap:7px;margin-bottom:7px;
  font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--ink);
}
.ov-desc-block h3::before{
  content:"";width:6px;height:6px;flex:none;background:var(--hue);border-radius:50%;
}
.ov-desc-block p{font-size:13px;color:var(--sub);line-height:1.8}
.ov-desc-block p span{display:block}
.ov-desc-block p span+span{margin-top:3px}
.ov-desc-fallback{font-size:13.5px;color:var(--sub);line-height:1.95;max-width:920px;margin-top:10px}
.tier-badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:10.5px;font-weight:700;letter-spacing:.04em;
  padding:1px 7px;color:#fff;
}
.tier-badge.pioneer{background:var(--t-pioneer)}
.tier-badge.main{background:var(--t-main)}
.tier-badge.rising{background:var(--t-rising)}
.tier-badge.expert{background:var(--t-expert)}
.tier-badge.security{background:var(--t-security)}
.mini{
  font-size:10px;font-family:"IBM Plex Mono",monospace;color:var(--sub);
  border:1px solid var(--line);padding:0 5px;
}

/* category view */
.relwrap{position:relative;margin-top:20px}
.relsvg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2;overflow:visible}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(216px,1fr));gap:58px 54px;position:relative;z-index:1}
.tcard{
  background:#fff;border:1px solid var(--line);
  padding:11px 12px;cursor:zoom-in;
  box-shadow:0 1px 0 rgba(23,33,43,.06);
  transition:box-shadow .15s,transform .15s;
  display:flex;flex-direction:column;gap:6px;
}
.tcard:hover{box-shadow:0 5px 16px rgba(23,33,43,.2);transform:translateY(-2px)}
.tcard .row1{display:flex;align-items:center;gap:9px}
.tcard .ic{
  width:40px;height:40px;flex:none;
  background:#fff;border:2px solid var(--tier,#98a0a8);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.tcard .ic img{width:30px;height:30px;object-fit:contain}
.tcard .ic.mono{font-family:"IBM Plex Mono",monospace;font-size:17px;font-weight:700;color:#fff;background:var(--mono-bg,#8a8f98)}
.tcard .nm{font-weight:700;font-size:14px;line-height:1.25;flex:1}
.tcard .d{font-size:11.5px;color:var(--sub)}
.tcard .row2{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.xrel{margin-top:22px;border-top:1px dashed var(--line);padding-top:14px}
.xrel h3,.rel-legend h3,.svc-rels h3,.svc-sibs h3,.tl h3,.pow h3{font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--sub);margin-bottom:8px}

/* 勢力図 (category power-map commentary) */
.pow{margin-top:26px;border-top:1px dashed var(--line);padding-top:14px}
.pow p{font-size:13.5px;line-height:1.95;max-width:880px}

/* category timeline */
.tl{margin-top:26px;border-top:1px dashed var(--line);padding-top:14px}
.tl-track{display:flex;overflow-x:auto;border-left:2px solid var(--ink);align-items:stretch}
.tl-col{flex:1 0 auto;min-width:92px;border-right:1px dashed var(--line);padding:0 10px 6px}
.tl-col.gap{flex:0 0 auto;min-width:34px;display:flex;align-items:flex-start;justify-content:center;color:var(--sub);font-family:"IBM Plex Mono",monospace;padding-top:3px}
.tl-year{font-family:"IBM Plex Mono",monospace;font-size:11.5px;font-weight:700;border-bottom:2px solid var(--ink);margin-bottom:9px;padding:1px 0}
.tl-items{display:flex;flex-direction:column;gap:7px}
.tl-item{display:flex;align-items:flex-start;gap:6px;font-size:11px;font-weight:700;cursor:zoom-in;line-height:1.2}
.tl-txt{display:flex;flex-direction:column;gap:1px;min-width:0}
.tl-n{overflow-wrap:break-word}
.tl-item:hover{color:#B4552D}
.tl-item .ic{width:22px;height:22px;border-width:2px;flex:none;background:#fff;display:inline-flex;align-items:center;justify-content:center;overflow:hidden}
.tl-item .ic img{width:16px;height:16px;object-fit:contain}
.tl-item .ic.mono{font-size:11px}
.tl-m{font-family:"IBM Plex Mono",monospace;font-size:9.5px;font-weight:400;color:var(--sub)}
.tl.single-year .tl-col{width:100%}
.tl.single-year .tl-items{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}
.tl.single-year .tl-item{border:1px solid var(--line);background:var(--panel);padding:8px;min-height:42px}
.xrel-items{display:flex;flex-direction:column;gap:6px}
.xrel-item{font-size:13px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.xrel-item a{color:var(--ink);font-weight:700;text-decoration:none;border-bottom:1px dashed var(--sub);cursor:pointer}
.xrel-item a:hover{color:#B4552D;border-color:#B4552D}
.xrel-item .cat-of{font-size:11px;color:var(--sub)}
.reltag{font-size:10.5px;font-weight:700;color:#fff;padding:1px 8px;flex:none}
.rel-legend{margin-top:18px;border-top:1px dashed var(--line);padding-top:12px}
.rel-legend .items{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:11.5px;color:var(--sub);align-items:center}
.rel-legend .sw{display:inline-block;width:22px;height:0;border-top-width:2.5px;margin-right:5px;vertical-align:middle}

/* service view */
.svc-head{display:flex;gap:16px;align-items:flex-start;margin-top:6px}
.svc-head .ic{
  width:76px;height:76px;flex:none;
  background:#fff;border:3px solid var(--tier,#98a0a8);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  box-shadow:0 3px 10px rgba(23,33,43,.15);
}
.svc-head .ic img{width:56px;height:56px;object-fit:contain}
.svc-head .ic.mono{font-family:"IBM Plex Mono",monospace;font-size:32px;font-weight:700;color:#fff;background:var(--mono-bg,#8a8f98)}
.svc-meta{flex:1}
.svc-badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px;align-items:center}
.svc-link{font-family:"IBM Plex Mono",monospace;font-size:12px;color:#31517A;text-decoration:none;border-bottom:1px solid #31517A}
.svc-link:hover{color:#B4552D;border-color:#B4552D}
.svc-body{margin-top:18px;font-size:14.5px;line-height:1.9;max-width:820px}
.svc-cat-line{font-size:12px;color:var(--sub);margin-top:4px}
.svc-rels,.svc-sibs{margin-top:22px;border-top:1px dashed var(--line);padding-top:14px}
.sib-cloud{display:flex;flex-wrap:wrap}
.sib-cloud .tile{width:70px}
.sib-cloud .tile .ic{width:42px;height:42px}
.sib-cloud .tile .ic img{width:31px;height:31px}

@media(max-width:640px){
  .zone{gap:6px}
  .zone-rail{flex-basis:26px;font-size:13px;letter-spacing:.22em}
  .tile{width:64px}
  .tile .ic{width:42px;height:42px}
  .tile .ic img{width:31px;height:31px}
  #ovPanel{padding:16px 14px 22px}
  .ov-desc{grid-template-columns:1fr;gap:8px}
  .cards{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:26px 14px}
}
@media print{body{background:none}}

/* ---------- author credit cards ---------- */
.credits-block{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.credits-block h3{font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--sub);margin-bottom:8px}
.credit-cards{display:flex;gap:12px;flex-wrap:wrap}
.credit-card{
  flex:1 1 280px;max-width:440px;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:2px solid var(--ink);
  padding:12px 14px;text-decoration:none;color:var(--ink);
  transition:box-shadow .15s,transform .15s;
}
.credit-card:hover{box-shadow:0 5px 16px rgba(23,33,43,.2);transform:translateY(-2px)}
.credit-card img{width:40px;height:40px;flex:none;border:1px solid var(--line);object-fit:cover}
.credit-card .cc-body{display:flex;flex-direction:column;min-width:0}
.credit-card .cc-t{font-weight:700;font-size:13.5px;line-height:1.3}
.credit-card .cc-d{font-size:12px;color:var(--sub);line-height:1.5;margin-top:2px}
.credit-card .cc-arrow{margin-left:auto;flex:none;font-family:"IBM Plex Mono",monospace;color:var(--sub)}

/* ---------- footer: language switch & credits ---------- */
.foot-links{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px 20px;margin-top:12px;border-top:1px dashed var(--line);padding-top:10px;font-size:12.5px}
.foot-links a{color:var(--ink);text-decoration:none;border-bottom:1px dashed var(--sub)}
.foot-links a:hover{color:#B4552D;border-color:#B4552D}
.lang-switch{font-family:"IBM Plex Mono",monospace;letter-spacing:.04em}
.lang-switch strong{color:var(--ink)}
.credits{color:var(--sub)}