/* 戦国合戦 3D俯瞰デモ 合戦ページ共通スタイル */
:root{
  --panel: rgba(238,240,235,0.9);
  --ink:#1c2026; --sub:#4d5560; --rule:rgba(28,32,38,.16);
  --kin:#9a7a2c;
  --btn:rgba(28,32,38,.07); --btnh:rgba(28,32,38,.14);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --panel: rgba(20,23,28,0.86);
    --ink:#eef0ea; --sub:#a9b0b8; --rule:rgba(238,240,234,.14);
    --kin:#d4b25e;
    --btn:rgba(255,255,255,.08); --btnh:rgba(255,255,255,.16);
  }
}
:root[data-theme="dark"]{
  --panel: rgba(20,23,28,0.86);
  --ink:#eef0ea; --sub:#a9b0b8; --rule:rgba(238,240,234,.14);
  --kin:#d4b25e;
  --btn:rgba(255,255,255,.08); --btnh:rgba(255,255,255,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{height:100%;scroll-padding-top:env(safe-area-inset-top,0px)}
body{height:100%;margin:0;overflow:hidden;background:#b9c6cc;color:var(--ink);
  font-family:"Noto Sans JP","Hiragino Sans","Yu Gothic",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
#c{position:fixed;top:0;left:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#c:active{cursor:grabbing}
.ui{position:fixed;top:0;left:0;right:0;bottom:0;pointer-events:none;
  padding:calc(env(safe-area-inset-top,0px) + 14px) 14px calc(env(safe-area-inset-bottom,0px) + 14px);
  display:flex;flex-direction:column;justify-content:space-between}
.top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.panel{background:var(--panel);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-radius:6px;pointer-events:auto;box-shadow:0 6px 24px rgba(0,0,0,.18)}
.title{padding:12px 16px;max-width:min(440px,62vw)}
.title h1{font-family:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;font-weight:800;
  font-size:clamp(20px,3.2vw,30px);letter-spacing:.08em;margin:0;line-height:1.2}
.title p{margin:4px 0 0;font-size:12px;color:var(--sub);line-height:1.5}
.title a{color:var(--sub)}
.legend{padding:10px 14px;font-size:12px;line-height:1.9;min-width:150px}
.legend .row{display:flex;align-items:center;gap:8px}
.sw{width:14px;height:14px;border-radius:2px;flex:none;background:var(--c)}
.sw.arr{width:18px;height:8px;border-radius:0;background:linear-gradient(90deg,var(--c) 0 45%,transparent 45% 55%,var(--c) 55%);clip-path:polygon(0 0,80% 0,100% 50%,80% 100%,0 100%)}
.legend .hint{margin-top:6px;padding-top:6px;border-top:1px solid var(--rule);color:var(--sub);font-size:11px;line-height:1.6}
.card{align-self:center;width:min(780px,100%);padding:14px 18px 12px}
.meta{display:flex;align-items:baseline;gap:12px;color:var(--sub);font-size:12px}
.meta .act{font-family:"Shippori Mincho",serif;font-weight:800;font-size:15px;color:var(--kin)}
.meta .tools{margin-left:auto;display:flex;gap:6px;align-self:center}
.meta .tools button{white-space:nowrap;height:28px;font-size:12px;color:var(--sub)}
#setsuBtn .n{display:inline-block;min-width:18px;margin-left:4px;padding:0 5px;border-radius:9px;background:var(--kin);color:#fff;font-size:11px;line-height:18px;text-align:center}
#setsuBtn .n.zero{background:var(--rule);color:var(--sub)}
.card h2{font-family:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;font-weight:700;
  font-size:clamp(19px,2.6vw,25px);margin:4px 0 6px;letter-spacing:.05em}
.card p{margin:0;font-size:14px;line-height:1.8;min-height:3.6em;max-width:70ch}
.bar{height:3px;background:var(--rule);margin:12px 0 10px;border-radius:2px;overflow:hidden}
#prog{height:100%;width:0;background:var(--kin)}
.ctrl{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
button{font:inherit;color:var(--ink);background:var(--btn);border:0;border-radius:4px;height:32px;min-width:36px;padding:0 10px;cursor:pointer}
button:hover{background:var(--btnh)}
button:focus-visible,a:focus-visible{outline:2px solid var(--kin);outline-offset:2px}
#dots{display:flex;gap:4px;flex:1;min-width:0}
#dots button{flex:1;min-width:0;height:32px;padding:0 4px;font-family:"Shippori Mincho",serif;font-weight:700;font-size:13px;color:var(--sub)}
#dots button.on{background:var(--kin);color:#fff}
#dots button.done{color:var(--ink)}
.note{font-size:11px;color:var(--sub);margin-top:8px}
.attr{font-size:10px;color:var(--sub);margin-top:6px;opacity:.85}
.fold{display:grid;grid-template-rows:1fr;transition:grid-template-rows .32s cubic-bezier(.2,.7,.2,1)}
.fold>div{overflow:hidden;min-height:0}
.card.min .fold{grid-template-rows:0fr}
.card.min h2{margin-bottom:0}
@media (prefers-reduced-motion: reduce){.fold{transition:none}}

/* 諸説ノート */
.setsu{position:fixed;top:calc(env(safe-area-inset-top,0px) + 14px);right:14px;bottom:calc(env(safe-area-inset-bottom,0px) + 14px);
  width:min(400px,calc(100% - 28px));display:flex;flex-direction:column;z-index:5;
  transform:translateX(calc(100% + 24px));transition:transform .32s cubic-bezier(.2,.7,.2,1);visibility:hidden}
.setsu.open{transform:none;visibility:visible}
@media (prefers-reduced-motion: reduce){.setsu{transition:none}}
.setsu header{padding:14px 16px 10px;border-bottom:1px solid var(--rule);display:flex;gap:10px;align-items:flex-start}
.setsu header h3{margin:0;font-family:"Shippori Mincho",serif;font-size:19px;letter-spacing:.05em}
.setsu header p{margin:2px 0 0;font-size:12px;color:var(--sub)}
.setsu header button{margin-left:auto;flex:none;min-width:44px;height:44px;font-size:18px}
.setsu .body{flex:1;overflow:auto;padding:4px 16px 16px;overscroll-behavior:contain}
.setsu .grp{font-size:11px;color:var(--sub);letter-spacing:.12em;margin:18px 0 4px}
.setsu article{padding:10px 0 12px;border-bottom:1px solid var(--rule)}
.setsu article:last-child{border-bottom:0}
.setsu h4{margin:0 0 4px;font-size:15px;line-height:1.5}
.setsu article p{margin:0 0 6px;font-size:13px;line-height:1.8}
.setsu .src,.setsu .by{font-size:11.5px;color:var(--sub);line-height:1.6;margin:2px 0 0}
.setsu .src b,.setsu .by b{font-weight:500;color:var(--ink)}
.setsu a{color:inherit}
.setsu .empty{font-size:13px;color:var(--sub);line-height:1.8;margin:14px 0}
.setsu footer{padding:12px 16px 14px;border-top:1px solid var(--rule);font-size:12px;color:var(--sub);line-height:1.7}
.setsu footer a.cta{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;margin:0 8px 6px 0;border-radius:4px;background:var(--kin);color:#fff;text-decoration:none;font-weight:500}
.setsu footer a.cta.sub{background:var(--btn);color:var(--ink)}

#loading{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;
  background:#b9c6cc;font-family:"Shippori Mincho",serif;font-size:18px;color:#1c2026;letter-spacing:.2em;transition:opacity .8s}
@media (max-width:640px){
  .legend{display:none}
  .title{max-width:100%}
  .card{padding:12px 14px 10px}
  .card p{font-size:13px;line-height:1.7;min-height:0}
  #dots button{font-size:12px}
  .meta{gap:8px}
}
@media (prefers-reduced-motion: reduce){ #loading{transition:none} }