:root{
  color-scheme:light;
  --bg:#f7f7fb;--panel:#fff;--surf:#eff0f8;--surf2:#e4e6f3;--line:#dfe1ee;--ink:#1a1b23;--mute:#5a5d6e;
  --pri:#4a43d6;--pri-ink:#fff;--pri-soft:#e9e8ff;
  --ok:#17784a;--ok-soft:#e1f4ea;--no:#b3261e;--no-soft:#fbe8e6;--warn:#85560a;--warn-soft:#fff2d3;
  --ui:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Yu Gothic UI","Meiryo","MS Gothic","Hiragino Sans","Noto Sans CJK JP","Noto Sans JP","Segoe UI Symbol",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --top:56px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#101117;--panel:#171821;--surf:#20222e;--surf2:#2a2d3c;--line:#2b2e3d;--ink:#eceef6;--mute:#a7abbd;
    --pri:#aab2ff;--pri-ink:#10124a;--pri-soft:#26285a;
    --ok:#62d69c;--ok-soft:#14301f;--no:#ff8f86;--no-soft:#3a1916;--warn:#f2c35b;--warn-soft:#33270a;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#101117;--panel:#171821;--surf:#20222e;--surf2:#2a2d3c;--line:#2b2e3d;--ink:#eceef6;--mute:#a7abbd;
  --pri:#aab2ff;--pri-ink:#10124a;--pri-soft:#26285a;
  --ok:#62d69c;--ok-soft:#14301f;--no:#ff8f86;--no-soft:#3a1916;--warn:#f2c35b;--warn-soft:#33270a;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 var(--ui);padding-bottom:calc(50px + env(safe-area-inset-bottom))}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--pri);outline-offset:2px;border-radius:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:8px;top:-60px;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:8px;z-index:100}
.skip:focus{top:8px}

.top{position:sticky;top:0;z-index:40;height:var(--top);display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 16px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:17px;min-height:44px}
.brand b{color:var(--pri)}
.mark{background:var(--pri-soft);color:var(--pri);border-radius:999px;padding:3px 10px;font-weight:600;font-size:14px}
.top-r{display:flex;align-items:center;gap:8px}
.top-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 12px;border-radius:999px;text-decoration:none;font-weight:600;font-size:15px}
.top-link:hover{background:var(--surf)}
.pill-n{background:var(--pri);color:var(--pri-ink);font-size:12px;border-radius:999px;padding:1px 7px;min-width:20px;text-align:center}
.icon-btn{width:44px;height:44px;border-radius:999px;border:0;background:transparent;display:grid;place-items:center}
.icon-btn:hover{background:var(--surf)}
.i-sun{display:none}
.icon-btn[data-mode="dark"] .i-sun{display:block}
.icon-btn[data-mode="dark"] .i-moon{display:none}

.shell{display:block}
.centre{min-width:0}
.tools{position:sticky;top:var(--top);z-index:30;background:var(--bg);padding:10px 16px 10px;border-bottom:1px solid var(--line)}
.tools-row{display:flex;gap:8px;align-items:center}
.search{flex:1;min-width:0;display:flex;align-items:center;gap:10px;height:48px;border-radius:999px;background:var(--panel);border:1px solid var(--line);padding:0 16px;color:var(--mute)}
.search:focus-within{border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-soft);color:var(--pri)}
.search input{flex:1;min-width:0;height:100%;border:0;background:transparent;font:inherit;font-size:16px;color:var(--ink);outline:0}
.search input::placeholder{color:var(--mute)}
.catbtn{flex:none;height:48px;border-radius:999px;border:1px solid var(--line);background:var(--panel);padding:0 16px;display:flex;align-items:center;gap:8px;font-weight:600;font-size:15px;max-width:44vw}
.catbtn span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.head{padding:16px 16px 8px}
.head h1{margin:0;font-size:26px;letter-spacing:-.02em;line-height:1.15}
.count{margin:4px 0 0;color:var(--mute);font-size:14px}
.lede{margin:6px 0 0;color:var(--mute);max-width:56ch}
.catlink{margin:6px 0 0;font-size:14px;color:var(--mute)}
.catlink a{color:var(--pri);font-weight:600}
.crumb ol{list-style:none;margin:0 0 4px;padding:0;display:flex;flex-wrap:wrap;gap:4px;font-size:14px;color:var(--mute)}
.crumb li+li::before{content:"›";margin-right:4px;opacity:.7}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}

.list{padding:0 8px;outline:0}
.grp{position:sticky;top:calc(var(--top) + 69px);z-index:5;margin:8px -8px 0;padding:8px 20px;background:var(--bg);font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--mute);display:flex;justify-content:space-between}
.grp a{text-decoration:none;color:var(--pri);letter-spacing:0;text-transform:none;font-size:13px;display:inline-flex;align-items:center;min-height:44px;padding:0 8px;margin:-14px -8px}
.row{display:flex;align-items:stretch;margin:2px 0;border-radius:16px;background:transparent;border:1px solid transparent}
.row:hover{background:var(--panel)}
.row.sel{background:var(--panel);border-color:var(--pri);box-shadow:0 0 0 1px var(--pri)}
.row-main{flex:1;min-width:0;display:grid;grid-template-columns:minmax(0,1fr);gap:2px;text-align:left;padding:10px 8px 10px 14px;background:none;border:0;min-height:64px;align-content:center}
.row-face{font-size:21px;line-height:1.3;overflow-wrap:anywhere}
.row-mean{font-size:14px;color:var(--mute)}
.row-copy{flex:none;width:52px;border:0;background:none;display:grid;place-items:center;border-radius:0 16px 16px 0;color:var(--mute)}
.row-copy:hover{color:var(--pri);background:var(--pri-soft)}
.row-copy.done{color:var(--ok)}
.row .flag{display:inline-block;margin-left:6px;font-size:11px;font-weight:700;border-radius:999px;padding:1px 7px;background:var(--warn-soft);color:var(--warn);vertical-align:2px}
.empty{padding:36px 16px;text-align:center;color:var(--mute)}
.empty strong{display:block;font-size:18px;color:var(--ink);margin-bottom:6px}

.ad{display:flex;align-items:center;justify-content:center;min-height:250px;margin:16px;border:1px dashed var(--line);border-radius:16px;background:var(--surf);color:var(--mute);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.ad.d{display:none}
.ad-mid{margin:8px 0}
.ad-anchor{position:fixed;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));min-height:0;margin:0;border-width:1px 0 0;border-radius:0;z-index:30;padding-bottom:env(safe-area-inset-bottom);background:var(--surf)}

.prose{padding:20px 16px 8px;max-width:68ch}
.prose h2{font-size:21px;letter-spacing:-.02em;margin:26px 0 10px}
.prose h2:first-child{margin-top:0}
.prose p{margin:0 0 14px}
details{border-top:1px solid var(--line)}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{min-height:48px;padding:12px 28px 12px 0;cursor:pointer;font-weight:600;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:10px;font-size:22px;color:var(--mute)}
details[open] summary::after{content:"–"}
details p{margin:0 0 14px;color:var(--mute)}
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.related a{display:flex;align-items:center;gap:8px;min-height:48px;padding:8px 14px;border-radius:999px;background:var(--panel);border:1px solid var(--line);text-decoration:none;font-weight:550;font-size:15px}
.related a:hover{border-color:var(--pri)}
.foot{padding:20px 16px 28px;color:var(--mute);font-size:14px}

.nav{position:fixed;left:0;right:0;bottom:0;z-index:80;max-height:84vh;overflow:auto;background:var(--panel);border-radius:24px 24px 0 0;padding:12px 8px calc(20px + env(safe-area-inset-bottom));transform:translateY(105%);transition:transform .24s cubic-bezier(.2,.8,.2,1),visibility 0s linear .24s;box-shadow:0 -10px 40px rgba(0,0,0,.22);visibility:hidden}
.nav.open{transform:none;visibility:visible;transition:transform .24s cubic-bezier(.2,.8,.2,1),visibility 0s}
.sheet-grab{width:40px;height:4px;border-radius:2px;background:var(--surf2);margin:0 auto 6px}
.nav-head{display:flex;align-items:center;justify-content:space-between;padding:0 8px 4px 12px}
.nav-head h2{margin:0;font-size:18px}
.sheet-x{width:44px;height:44px;border-radius:999px;border:0;background:var(--surf);font-size:18px}
.ng{margin:8px 0 0}
.ng>h3{margin:0;padding:12px 12px 4px;font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--mute);font-weight:700}
.ni{display:flex;align-items:center;gap:10px;width:100%;min-height:44px;padding:0 12px;border-radius:999px;border:0;background:none;text-align:left;text-decoration:none;font-size:15px;font-weight:550}
.ni:hover{background:var(--surf)}
.ni[aria-current="true"]{background:var(--pri-soft);color:var(--pri);font-weight:700}
.ni .e{width:24px;text-align:center;font-size:17px}
.ni .c{margin-left:auto;font-size:12px;color:var(--mute)}
.nav-foot{display:none}

.insp{position:fixed;left:0;right:0;bottom:0;z-index:90;max-height:90vh;overflow:auto;background:var(--panel);border-radius:24px 24px 0 0;padding:12px 18px calc(20px + env(safe-area-inset-bottom));transform:translateY(105%);transition:transform .24s cubic-bezier(.2,.8,.2,1),visibility 0s linear .24s;box-shadow:0 -10px 40px rgba(0,0,0,.25);visibility:hidden}
.insp.open{transform:none;visibility:visible;transition:transform .24s cubic-bezier(.2,.8,.2,1),visibility 0s}
.i-grab{width:40px;height:4px;border-radius:2px;background:var(--surf2);margin:0 auto 8px}
.i-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.i-cat{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mute)}
.i-x{width:44px;height:44px;border-radius:999px;border:0;background:var(--surf);font-size:18px}
.i-prev{position:relative;margin-top:6px;border-radius:16px;background:var(--surf);min-height:132px;display:grid;place-items:center;padding:28px 56px}
.i-face{font-size:40px;line-height:1.25;text-align:center;overflow-wrap:anywhere;font-weight:450}
.i-face.m{font-size:30px}.i-face.l{font-size:22px}
.i-fav{position:absolute;top:6px;right:6px;width:44px;height:44px;border-radius:999px;border:0;background:transparent;font-size:22px;color:var(--mute)}
.i-fav[aria-pressed="true"]{color:var(--pri)}
.i-fav:hover{background:var(--surf2)}
.i-mean{margin:14px 0 0;font-size:18px;font-weight:600;line-height:1.35}
.i-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.i-tags span{font-size:13px;padding:3px 10px;border-radius:999px;background:var(--surf);color:var(--mute)}
.i-sec{margin-top:20px}
.i-sec h3{display:flex;justify-content:space-between;margin:0 0 8px;font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--mute);font-weight:700}
.i-sec h3 b{color:var(--ink);letter-spacing:0;text-transform:none;font-size:13px}
.i-plat{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}
.i-plat li{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:12px;font-size:14px;font-weight:600}
.i-plat .ok{background:var(--ok-soft);color:var(--ok)}
.i-plat .no{background:var(--no-soft);color:var(--no)}
.i-plat small{display:block;font-weight:500;opacity:.85;font-size:12px}
.i-note{margin:8px 0 0;font-size:13px;color:var(--mute)}
.i-warn{margin:10px 0 0;font-size:13px;background:var(--warn-soft);color:var(--warn);padding:9px 12px;border-radius:12px}
.i-meter{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.i-meter li{font-size:13px;color:var(--mute)}
.i-meter .t{display:flex;justify-content:space-between;margin-bottom:3px}
.i-meter .t b{color:var(--ink)}
.i-meter .bar{height:6px;border-radius:3px;background:var(--surf2);overflow:hidden}
.i-meter .bar i{display:block;height:100%;border-radius:3px;background:var(--pri)}
.i-meter .over .bar i{background:var(--no)}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:4px;border-radius:999px;background:var(--surf)}
.seg button{min-height:44px;border:0;border-radius:999px;background:none;font-size:14px;font-weight:600;padding:0 6px}
.seg button[aria-checked="true"]{background:var(--panel);color:var(--pri);box-shadow:0 1px 4px rgba(0,0,0,.18)}
.i-out{display:block;margin-top:10px;padding:10px 12px;border-radius:12px;background:var(--surf);font-family:var(--mono);font-size:14px;overflow-wrap:anywhere;color:var(--ink)}
.i-help{margin:8px 0 0;font-size:13px;color:var(--mute)}
.i-help button{min-height:44px;border:0;background:none;color:var(--pri);font-weight:700;padding:0 4px}
.i-actions{margin-top:18px}
.btn{width:100%;min-height:52px;border-radius:999px;border:0;background:var(--pri);color:var(--pri-ink);font-weight:700;font-size:17px}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:scale(.99)}

.scrim{position:fixed;inset:0;background:rgba(10,10,18,.5);z-index:70;opacity:0;transition:opacity .2s}
.scrim.show{opacity:1}

#toast{position:fixed;left:50%;bottom:calc(66px + env(safe-area-inset-bottom));transform:translate(-50%,16px);opacity:0;pointer-events:none;z-index:120;display:flex;align-items:center;gap:6px;max-width:calc(100% - 24px);background:var(--ink);color:var(--bg);border-radius:999px;padding:12px 22px;box-shadow:0 8px 28px rgba(0,0,0,.3);transition:opacity .18s,transform .18s}
#toast.show{opacity:1;transform:translate(-50%,0)}
.toast-msg{font-weight:650;white-space:nowrap}

@media (min-width:768px){
  body{padding-bottom:0}
  .ad{min-height:90px}
  .ad-anchor{display:none}
  .ad.m{display:none}
  .ad.d{display:flex}
  .shell{display:grid;grid-template-columns:minmax(0,1fr) 360px;align-items:start}
  .insp{position:sticky;top:var(--top);z-index:5;left:auto;right:auto;bottom:auto;max-height:calc(100vh - var(--top));transform:none;visibility:visible;border-radius:0;box-shadow:none;border-left:1px solid var(--line);height:calc(100vh - var(--top));padding:16px 20px 24px;transition:none}
  .i-grab,.i-x{display:none}
  .head,.tools{padding-left:24px;padding-right:24px}
  .list{padding:0 16px}
  .grp{margin:8px -16px 0;padding-left:30px;padding-right:30px}
  .prose,.foot{padding-left:24px;padding-right:24px}
  .related{grid-template-columns:repeat(3,1fr)}
  #toast{bottom:28px}
}
@media (min-width:1100px){
  .shell{grid-template-columns:248px minmax(0,1fr) 360px}
  .nav{position:sticky;top:var(--top);left:auto;right:auto;bottom:auto;z-index:5;max-height:calc(100vh - var(--top));height:calc(100vh - var(--top));transform:none;visibility:visible;border-radius:0;box-shadow:none;border-right:1px solid var(--line);padding:12px 12px 20px;transition:none}
  .sheet-grab,.sheet-x{display:none}
  .nav-head{padding:8px 12px 4px}
  .nav-foot{display:flex;flex-wrap:wrap;gap:4px 14px;padding:20px 12px 0;font-size:13px;color:var(--mute)}
  .nav-foot a{text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
  .catbtn{display:none}
  .shell > .centre{grid-column:2}
  .insp{grid-column:3}
  .nav{grid-column:1;grid-row:1}
  .shell > .insp{grid-row:1}
  .shell > .centre{grid-row:1}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}