/* Layout: 3D の政庁が画面いっぱい。左上に題字と時期の切り替え、右に解説パネル（スマホは下からのシート）、左下に視点ボタン */
:root{
  --bg:#dfe6ea; --panel:rgba(251,249,244,.95); --ink:#2a2521; --muted:#6a625a; --line:#d8d0c3;
  --accent:#a3402b; --accent-ink:#fff; --chip:#f0eadf;
  --ok:#2f8577; --est:#c4861d; --unk:#7f858d;
  --f-disp:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;
  --f-body:"BIZ UDPGothic","Hiragino Sans","Yu Gothic","Noto Sans JP",sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#1b1f23; --panel:rgba(30,28,26,.94); --ink:#ece6dc; --muted:#a99f93; --line:#3d3832;
  --accent:#d0674f; --accent-ink:#1b1410; --chip:#2b2723; --ok:#4fb3a3; --est:#e0a646; --unk:#9aa0a8; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#1b1f23; --panel:rgba(30,28,26,.94); --ink:#ece6dc; --muted:#a99f93; --line:#3d3832;
  --accent:#d0674f; --accent-ink:#1b1410; --chip:#2b2723; --ok:#4fb3a3; --est:#e0a646; --unk:#9aa0a8; color-scheme:dark}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:13px;line-height:1.45;overflow:hidden}
#app{position:relative;height:100%;overflow:hidden}
#scene{position:absolute;inset:0}
#scene canvas{display:block;width:100%;height:100%;touch-action:none;outline:none}
#labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
#labels>div{position:absolute;inset:0}
.lb{position:absolute;left:0;top:0;pointer-events:auto;cursor:pointer;white-space:nowrap;
  font:700 11px/1 var(--f-body);color:#2a2521;background:rgba(255,253,248,.88);border:1px solid rgba(0,0,0,.18);
  border-radius:3px;padding:3px 5px;box-shadow:0 1px 3px rgba(0,0,0,.18)}
.lb::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:4px;vertical-align:1px;background:var(--c,#888)}
.lb.sel{background:var(--accent);color:#fff;border-color:transparent}
.lb:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.plate{position:absolute;top:max(8px,env(safe-area-inset-top,0px));left:max(8px,env(safe-area-inset-left,0px));
  background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:6px 10px 7px;max-width:calc(100% - 16px);display:flex;flex-direction:column;gap:5px}
.plate h1{margin:0;font:700 22px/1.15 var(--f-disp);letter-spacing:.04em;text-wrap:balance}
.plate h1 span{color:var(--accent)}
.plate p{margin:0;font-size:12px;color:var(--muted)}
.seg{display:flex;gap:0}
.seg button{border-radius:0;margin-left:-1px;font-family:var(--f-disp);font-size:13px;padding:6px 10px}
.seg button:first-child{border-radius:3px 0 0 3px;margin-left:0}
.seg button:last-child{border-radius:0 3px 3px 0}
#panel{position:absolute;top:max(8px,env(safe-area-inset-top,0px));right:max(8px,env(safe-area-inset-right,0px));
  width:330px;max-height:calc(100% - 16px);overflow:auto;background:var(--panel);border:1px solid var(--line);
  border-radius:4px;padding:10px 12px 12px;display:flex;flex-direction:column;gap:8px}
#panel,#tools .row,.plate{box-sizing:border-box}
.phead{position:sticky;top:-10px;margin:-10px -12px 0;padding:6px 8px 4px;display:flex;justify-content:flex-end;background:inherit;z-index:1}
#pbody{display:flex;flex-direction:column;gap:8px}
#panel h2{margin:0;font:700 19px/1.2 var(--f-disp)}
#panel h3{margin:4px 0 0;font:700 12px/1.3 var(--f-body);color:var(--muted);letter-spacing:.06em}
#panel p{margin:0}
.lead{font-size:14px;line-height:1.55}
.conf{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:2px 7px;border-radius:3px;background:var(--chip);align-self:flex-start}
.conf i{width:9px;height:9px;border-radius:50%;background:var(--c)}
dl.spec{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;margin:0;font-size:13px}
dl.spec dt{color:var(--muted);white-space:nowrap}
dl.spec dd{margin:0;font-variant-numeric:tabular-nums;min-width:0}
.note{font-size:12.5px;line-height:1.55;border-left:3px solid var(--line);padding-left:8px}
.src{font-size:11.5px;color:var(--muted)}
ul.leg{list-style:none;margin:0;padding:0;display:grid;gap:3px;font-size:12.5px}
ul.leg li{display:flex;gap:6px;align-items:center}
ul.leg i{width:10px;height:10px;border-radius:50%;background:var(--c);flex:none}
ol.refs{margin:0;padding-left:18px;font-size:11.5px;color:var(--muted);display:grid;gap:2px}
.row{display:flex;gap:6px;flex-wrap:wrap}
button{font:700 12px/1 var(--f-body);color:var(--ink);background:var(--panel);border:1px solid var(--line);
  border-radius:3px;padding:7px 9px;cursor:pointer}
button:hover{border-color:var(--accent)}
button:focus-visible{outline:2px solid var(--accent);outline-offset:1px;position:relative;z-index:1}
button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
#tools{position:absolute;left:max(8px,env(safe-area-inset-left,0px));bottom:max(8px,env(safe-area-inset-bottom,0px));
  display:flex;flex-direction:column;gap:5px;max-width:calc(100% - 360px)}
#tools .row{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:5px}
#tools .row b{font-size:11px;color:var(--muted);align-self:center;margin-right:2px}
#hint{font-size:11.5px;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:4px 7px;align-self:flex-start}
#compass{position:absolute;right:350px;bottom:max(10px,env(safe-area-inset-bottom,0px));width:50px;height:50px;pointer-events:none}
#panel.closed{display:none}
#app.pclosed #compass{right:max(8px,env(safe-area-inset-right,0px))}
#app.pclosed #tools{max-width:calc(100% - 16px)}
/* 題字の下の断り */
.unoff{font-size:11px;line-height:1.35;color:var(--muted)}
.unoff a,#panel a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;white-space:nowrap}
.unoff .narrow{display:none}
/* はじめの画面：政庁の上に浮かぶガラスのカード */
#start{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;
  padding:16px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));
  background:radial-gradient(ellipse at center,rgba(10,16,24,.05),rgba(10,16,24,.26));transition:opacity .45s}
#start.out{opacity:0;pointer-events:none}
#start[hidden]{display:none}
.scard{position:relative;width:min(780px,100%);max-height:calc(100% - 8px);overflow:auto;color:#fbf6ef;border-radius:20px;padding:16px 22px 14px;box-sizing:border-box;
  background:linear-gradient(135deg,rgba(30,24,20,.66),rgba(26,22,20,.5) 45%,rgba(110,46,30,.5));border:1px solid rgba(255,255,255,.38);
  -webkit-backdrop-filter:blur(22px) saturate(150%);backdrop-filter:blur(22px) saturate(150%);
  box-shadow:0 30px 80px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.55),inset 0 0 40px rgba(255,170,120,.12);text-shadow:0 1px 2px rgba(0,0,0,.55)}
.scard::before{content:"";position:absolute;inset:-40% -10% auto -10%;height:60%;pointer-events:none;background:linear-gradient(170deg,rgba(255,255,255,.18),rgba(255,255,255,0) 60%);transform:rotate(-4deg)}
.shead{display:flex;align-items:center;gap:10px}
.stag{font-size:11px;letter-spacing:.3em;color:#ffd3ae;font-weight:700;min-width:0}
.sbadge{font-size:11px;font-weight:700;white-space:nowrap;flex:none;padding:1px 7px;border-radius:4px;background:rgba(255,255,255,.2);color:#fff;letter-spacing:.06em}
#startTitle{font-family:var(--f-disp);font-size:clamp(32px,6.4vw,50px);line-height:1.1;margin:4px 0 2px;letter-spacing:.1em;text-shadow:0 1px 2px rgba(0,0,0,.6),0 0 22px rgba(255,150,90,.35)}
.slead{margin:0;font-size:clamp(14px,2.2vw,17px);color:#fff4e8}
.sfacts{display:flex;flex-wrap:wrap;gap:3px 14px;margin:8px 0 10px;font-size:13px;color:#f1dfcf}
.sq{margin:0 0 5px;font-size:12.5px;color:#ffd3ae;letter-spacing:.06em}
.schoice{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sbtn{font:inherit;text-align:left;cursor:pointer;border-radius:12px;padding:10px 13px;color:#fbf6ef;display:flex;flex-direction:column;gap:2px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.35);text-shadow:inherit;transition:transform .15s,box-shadow .15s}
.sbtn b{font-family:var(--f-disp);font-size:21px;letter-spacing:.08em}
.sbtn small{font-size:12.5px;color:#f6e6d8}
.sbtn small.sy{font-size:11.5px;opacity:.85}
.sbtn.primary{color:#fff;background:linear-gradient(#d0634a,#a3402b);border-color:rgba(255,220,200,.9);
  box-shadow:0 0 30px rgba(230,110,70,.5),0 4px 0 rgba(110,40,25,.55),0 10px 24px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,220,200,.9)}
.sbtn.primary small{color:#fff1e8}
.sbtn:hover{transform:translateY(-2px)}
.sbtn:focus-visible{outline:3px solid #ffd3ae;outline-offset:2px}
.sops{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.sops section{padding:7px 10px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18)}
.sops h3{margin:0 0 3px;font-size:13px;color:#ffd3ae;letter-spacing:.06em}
.orow{display:flex;align-items:center;gap:8px;margin:3px 0;font-size:13.5px}
.orow kbd{display:inline-block;min-width:7.4em;text-align:center;padding:2px 8px;border-radius:6px;font:inherit;font-size:12px;font-weight:700;color:#3a2418;text-shadow:none;
  background:linear-gradient(rgba(255,255,255,.95),rgba(246,232,220,.82));border:1px solid rgba(255,255,255,.9);box-shadow:0 3px 8px rgba(0,0,0,.3)}
.sfoot{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:2px 14px;margin:10px 0 0;padding-top:8px;border-top:1px solid rgba(255,255,255,.2)}
.sfoot p{margin:0;font-size:12.5px;line-height:1.45;color:#fff4e8;text-wrap:pretty}
.sfoot b{color:#fff}
.sorg{white-space:nowrap}
.sorg a{color:#ffd3ae;font-weight:700;text-decoration:underline;text-underline-offset:3px;padding:3px 0}
.sorg a:hover{color:#fff}
.sofficial .narrow{display:none}
.snote{margin:4px 0 0;font-size:11px;line-height:1.5;color:#f1dfcf;opacity:.92}
body.starting .plate,body.starting #tools,body.starting #compass,body.starting #labels,body.starting #panel{display:none}
@media (max-width:760px){.unoff .wide,.sofficial .wide{display:none}.unoff .narrow,.sofficial .narrow{display:inline}}
@media (max-width:560px){.schoice{gap:6px}.sops{grid-template-columns:1fr}.scard{padding:12px 14px}.sbtn{padding:8px 9px}.sbtn b{font-size:17px;letter-spacing:.04em}.sbtn small:not(.sy){display:none}.sbtn small.sy{font-size:11px}.sops section:first-child{display:none}.stag{font-size:10px;letter-spacing:.14em}}
@media (max-width:760px){
  #panel{top:auto;bottom:0;left:0;right:0;width:auto;max-height:44%;border-radius:8px 8px 0 0;background:var(--bg);
    padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px));
    padding-bottom:max(12px,env(safe-area-inset-bottom,0px))}
  #tools{max-width:calc(100% - 16px);bottom:calc(44% + 8px)}
  #app.pclosed #tools{bottom:max(8px,env(safe-area-inset-bottom,0px))}
  #compass{right:max(8px,env(safe-area-inset-right,0px));bottom:auto;top:calc(max(8px,env(safe-area-inset-top,0px)) + 100px)}
  .plate h1{font-size:19px}
  #hint{display:none}
}

/* 公開版で足したもの */
html,body{margin:0;padding:0}
.c-ok{--c:var(--ok)} .c-est{--c:var(--est)} .c-unk{--c:var(--unk)}
.hrow{justify-content:space-between;align-items:center}
.psub{font-family:var(--f-body);font-size:12px;margin-left:6px}
noscript p{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);margin:0;padding:12px 16px;background:var(--panel);border:1px solid var(--line);border-radius:4px;font-size:14px}