/* 見本帳の共通スタイル（/mihon/・/shindan/・/slide/ で共有）。 */
/* Layout: 見出し → 目的別フィルタ(sticky) → カード格子。カードを開くと実寸チャート+読み方のシート。
   Color: 面はチャート検証済みの surface、カテゴリ色は s1-s8 固定順、強調しない要素は deemph の灰色。
   Type: IBM Plex Sans JP(本文・見出し) / IBM Plex Mono(番号・タグ・軸の補助) */
:root{
  --plane:#f2f3f3; --surface:#fcfcfb;
  --ink-1:#0b0b0b; --ink-2:#52514e; --ink-3:#6c6b66;
  --grid:#e1e0d9; --axis:#c3c2b7; --ring:rgba(11,11,11,.10);
  --deemph:#b4b3a9; --mute:#898781; --neu:#d9d8d0;
  --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a; --s4:#eda100;
  --s5:#e87ba4; --s6:#008300; --s7:#4a3aa7; --s8:#e34948;
  --seq-lo:#cde2fb; --seq-hi:#104281; --div-mid:#f0efec;
  --shadow:0 6px 24px rgba(11,11,11,.16);
  --k-compare:#ca545a; --k-trend:#009c7a; --k-part:#af5bac; --k-dist:#708d00; --k-rel:#6c74d8; --k-flow:#b66d00; --k-concept:#0090c3;
  --sans:'IBM Plex Sans JP','Hiragino Sans','Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,system-ui,sans-serif;
  --serif:'Inter','IBM Plex Sans JP',system-ui,sans-serif;
  --mincho:'IBM Plex Sans JP','Hiragino Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --plane:#0d0d0d; --surface:#1a1a19;
    --ink-1:#ffffff; --ink-2:#c3c2b7; --ink-3:#9a9992;
    --grid:#2c2c2a; --axis:#383835; --ring:rgba(255,255,255,.10);
    --deemph:#5a5954; --mute:#898781; --neu:#4a4a46;
    --s1:#3987e5; --s2:#d95926; --s3:#199e70; --s4:#c98500;
    --s5:#d55181; --s6:#008300; --s7:#9085e9; --s8:#e66767;
    --seq-lo:#243247; --seq-hi:#6da7ec; --div-mid:#383835;
    --shadow:0 6px 24px rgba(0,0,0,.6);
    --k-compare:#ef7e80; --k-trend:#00c09e; --k-part:#d483d0; --k-dist:#95b245; --k-rel:#8f9bfb; --k-flow:#da942c; --k-concept:#00b5e7;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --plane:#0d0d0d; --surface:#1a1a19;
  --ink-1:#ffffff; --ink-2:#c3c2b7; --ink-3:#9a9992;
  --grid:#2c2c2a; --axis:#383835; --ring:rgba(255,255,255,.10);
  --deemph:#5a5954; --mute:#898781; --neu:#4a4a46;
  --s1:#3987e5; --s2:#d95926; --s3:#199e70; --s4:#c98500;
  --s5:#d55181; --s6:#008300; --s7:#9085e9; --s8:#e66767;
  --seq-lo:#243247; --seq-hi:#6da7ec; --div-mid:#383835;
  --shadow:0 6px 24px rgba(0,0,0,.6);
  --k-compare:#ef7e80; --k-trend:#00c09e; --k-part:#d483d0; --k-dist:#95b245; --k-rel:#8f9bfb; --k-flow:#da942c; --k-concept:#00b5e7;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html.lock{overflow:hidden}
body{margin:0;background:var(--plane);color:var(--ink-1);font:14px/1.65 var(--sans);padding-inline:clamp(16px,4vw,40px);padding-block:0 64px;-webkit-text-size-adjust:100%}
.wrap{max-width:1240px;margin-inline:auto}
button{font:inherit;color:inherit}
svg{display:block}

/* header */
.top{padding-block:clamp(28px,6vw,56px) 26px;display:grid;grid-template-columns:minmax(0,1fr);position:relative;align-items:start!important;gap:clamp(20px,4vw,56px);align-items:center;max-width:1240px;margin-inline:auto}
.hero-text{display:grid;gap:12px;min-width:0;padding-right:clamp(52px,6vw,72px)}
.en-title{font:600 clamp(34px,5.6vw,72px)/1.06 var(--serif)!important;text-wrap:balance;letter-spacing:-.025em!important}
.ja-title{margin:2px 0 4px;font:600 15px/1.4 var(--mincho);letter-spacing:.18em;color:var(--ink-2)}
.emblem{position:absolute;right:0;top:clamp(28px,6vw,56px);width:clamp(40px,5vw,56px);height:auto;color:var(--ink-1)}
.top .meta-line{text-transform:uppercase;letter-spacing:.14em;font-size:11px}
.top .lede{font-size:13px;line-height:1.95;max-width:44em;color:var(--ink-3)}
.en-sub{margin:-4px 0 0;font:500 clamp(15px,1.8vw,19px)/1.3 var(--serif);color:var(--ink-3);letter-spacing:.02em}
.mosaic{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:4px;padding:10px;border:1px solid var(--axis);background:var(--surface);position:relative}
.mosaic::after{content:'';position:absolute;inset:4px;border:1px solid var(--grid);pointer-events:none}
.mosaic a{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--surface);border-top:2px solid var(--k);opacity:.92;transition:opacity .15s,transform .15s;position:relative;z-index:1}
.mosaic a:hover,.mosaic a:focus-visible{opacity:1;transform:scale(1.06);z-index:2;outline:none;box-shadow:0 0 0 1px var(--k)}
.mosaic svg{width:100%;height:100%;display:block;pointer-events:none}
.mosaic{display:block;height:clamp(280px,34vw,420px)}
.mosaic .m3d{position:absolute;inset:10px;aspect-ratio:auto;border-top:0;background:var(--surface);opacity:1}
.mosaic .m3d:hover{transform:none;box-shadow:none}
.mosaic .m3d svg{position:absolute;inset:0}
.m3d-cap{position:absolute;left:18px;top:16px;pointer-events:none;font:600 11px/1 var(--serif);letter-spacing:.08em;color:var(--ink-2);z-index:2}

.meta-line{font:500 12px/1 var(--mono);letter-spacing:.06em;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px 18px}
h1{margin:0;font:700 clamp(32px,5.4vw,56px)/1.12 var(--mincho);letter-spacing:-.01em;text-wrap:balance}
.lede{margin:0;max-width:40em;color:var(--ink-2);font-size:15px;text-wrap:pretty}

/* filters */
.filters{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--plane);border-bottom:1px solid var(--grid);margin-inline:calc(-1*clamp(16px,4vw,40px));padding:10px clamp(16px,4vw,40px)}
.filters .in{max-width:1240px;margin-inline:auto;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chip{display:inline-flex;align-items:baseline;gap:7px;padding:6px 12px;border:1px solid var(--axis);background:transparent;border-radius:6px;cursor:pointer;font-size:13px;line-height:1.3}
.chip b{font:500 11px/1 var(--mono);color:var(--ink-3)}
.chip:hover{border-color:var(--ink-3)}
.chip[aria-pressed="true"]{background:var(--ink-1);border-color:var(--ink-1);color:var(--surface)}
.chip[aria-pressed="true"] b{color:var(--surface);opacity:.7}
.chip:focus-visible,.card:focus-visible,.x:focus-visible,summary:focus-visible{outline:2px solid var(--ink-1);outline-offset:2px}
.shown{margin-left:auto;font:400 12px/1 var(--mono);color:var(--ink-3)}

/* grid + card */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:12px;padding-block:24px}
.card{background:var(--surface);border:2px solid var(--k,var(--ring));border-radius:10px;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;min-width:0;transition:border-color .15s}
.card:hover{box-shadow:0 0 0 2px var(--k,var(--ink-3))}
.dot{display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--k);margin-right:6px}
.id span:last-child{color:var(--ink-2)}
.card[hidden]{display:none}
.pv{height:238px;padding:14px 4px;border-bottom:1px solid var(--grid);overflow:hidden}
.meta{padding:18px 22px 22px;display:grid;gap:7px;align-content:start}
.id{display:flex;gap:10px;font:500 11px/1 var(--mono);letter-spacing:.06em;color:var(--ink-3);text-transform:uppercase}
.card h2{margin:0;font:600 17px/1.35 var(--mincho)}
.en{margin:-3px 0 0;font:500 14px/1.3 var(--serif);color:var(--ink-2)}
.ph{display:flex;justify-content:space-between;align-items:baseline;padding:14px 20px 10px;border-bottom:1px solid var(--grid)}
.pl{font:500 13px/1 var(--serif);color:var(--ink-2);display:inline-flex;align-items:baseline;gap:10px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl b{font:600 22px/1 var(--serif);color:var(--ink-1);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.ph .cat{font:500 10.5px/1 var(--mono);letter-spacing:.14em;color:var(--ink-2);display:inline-flex;align-items:center}
.rule{height:0;border-top:1px solid var(--grid);margin:2px 0}
.q{margin:0;font-size:13px;color:var(--ink-2);line-height:1.6}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.tag{font:400 11px/1.5 var(--mono);color:var(--ink-2);border:1px solid var(--ring);border-radius:4px;padding:0 6px}

.appx{max-width:1240px;margin:8px auto 0;border:1px solid var(--axis);background:var(--surface);position:relative}
.appx::after{content:'';position:absolute;inset:4px;border:1px solid var(--grid);pointer-events:none}
.appx-head{display:flex;justify-content:space-between;align-items:baseline;padding:14px 22px 10px;border-bottom:1px solid var(--grid)}
.appx-tag{font:500 10.5px/1 var(--mono);letter-spacing:.14em;color:var(--ink-3)}
.appx-body{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(18px,3vw,40px);padding:18px 22px 24px;align-items:center}
.appx-fig{height:340px;min-width:0}
.appx-fig svg{width:100%;height:100%;display:block}
.appx-text{display:grid;gap:10px;min-width:0}
.appx-text h2{margin:0;font:700 clamp(20px,2.6vw,26px)/1.3 var(--mincho);letter-spacing:.02em}
.appx-text p{margin:0;color:var(--ink-2);font-size:14px;line-height:1.8}
.appx-leg{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12px;color:var(--ink-2)}
.appx-leg i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.appx-link{justify-self:start;margin-top:4px;padding:9px 16px;border:1px solid var(--ink-1);border-radius:6px;color:var(--ink-1);text-decoration:none;font-size:13.5px;font-weight:500}
.appx-link:hover{background:var(--ink-1);color:var(--surface)}
.appx-note{font-size:12px!important;color:var(--ink-3)!important}
.sh-head h2{font-family:var(--mincho)!important;letter-spacing:.02em}
@media (max-width:820px){.appx-body{grid-template-columns:1fr}.appx-fig{height:280px}}
.card{position:relative}
.ck{position:absolute;right:10px;top:46px;z-index:3;display:none;align-items:center;gap:6px;padding:5px 9px;border-radius:6px;background:var(--surface);border:1px solid var(--axis);font-size:12px;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.ck input{width:16px;height:16px;margin:0;accent-color:var(--ink-1)}
body.order .ck{display:inline-flex}
body.order .card{cursor:copy}
.card.picked{box-shadow:0 0 0 3px var(--k)}
.card.picked .ck{background:var(--ink-1);color:var(--surface);border-color:var(--ink-1)}
.ordbtn{padding:6px 12px;border:1px solid var(--ink-1);background:transparent;color:var(--ink-1);border-radius:6px;font:500 13px/1.3 var(--sans);cursor:pointer}
.ordbtn[aria-pressed="true"]{background:var(--ink-1);color:var(--surface)}
.obar{position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--surface);border-top:1px solid var(--axis);box-shadow:0 -6px 24px rgba(0,0,0,.08);padding:12px clamp(16px,4vw,40px) calc(12px + env(safe-area-inset-bottom,0px))}
.ob-in{max-width:1240px;margin-inline:auto;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.ob-in button{padding:7px 12px;border:1px solid var(--axis);background:transparent;color:var(--ink-1);border-radius:6px;font:inherit;font-size:13px;cursor:pointer}
.ob-c{font-size:13px;color:var(--ink-2)}.ob-c b{font:600 18px/1 var(--serif);color:var(--ink-1);margin-right:2px}
.ob-msg{font-size:12px;color:var(--ink-3);margin-left:auto}
.ob-in .ob-pdf{background:var(--ink-1);color:var(--surface);border-color:var(--ink-1);font-weight:600}
.ob-in .ob-pdf:disabled{opacity:.35;cursor:not-allowed}
body.order{padding-bottom:90px}
.books{display:inline-flex;gap:0;margin-top:10px;border:1px solid var(--ink-1);border-radius:999px;padding:3px;justify-self:start;background:var(--surface)}
.books button{border:0;background:transparent;color:var(--ink-1);font:600 13px/1 var(--sans);padding:9px 16px;border-radius:999px;cursor:pointer}
.books button[aria-pressed="true"]{background:var(--ink-1);color:var(--surface)}
.top .hero-text>*{transition:opacity .25s}
.top.fade .meta-line,.top.fade .en-title,.top.fade .ja-title,.top.fade .lede{opacity:0}
.grid,.sgrid{perspective:1800px}
.card{backface-visibility:hidden;transform-origin:50% 50%}
.sgrid{display:grid;gap:28px;padding-block:24px}
.ssec{display:grid;gap:12px}
.sg2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:1fr;gap:12px;perspective:1800px}
.scard .spv{height:290px;overflow:auto;min-height:0}
.scard .meta{align-content:start}
.sv-num{display:flex;align-items:center;gap:8px;margin-bottom:8px}.sv-num input{width:8em;padding:8px 10px;border:1px solid var(--axis);border-radius:6px;font:inherit;font-size:15px;background:var(--surface);color:var(--ink-1)}
.sv-dk{display:inline-flex;width:auto}
.sv-sel{width:100%;max-width:360px;padding:9px 10px;border:1px solid var(--axis);border-radius:6px;font:inherit;font-size:14px;background:var(--surface);color:var(--ink-1)}
.sv-map{position:relative;color:var(--ink-3);cursor:crosshair;max-width:480px}.sv-map svg{display:block;width:100%;height:auto}
.sv-pin{position:absolute;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;border:2px solid var(--surface);background:var(--s2);color:#fff;font:600 11px/1 var(--sans);cursor:pointer;padding:0}
@media (max-width:820px){.sg2{grid-template-columns:minmax(0,1fr);grid-auto-rows:auto}}
.scol-h{padding:6px 4px 8px;border-bottom:2px solid var(--ink-1);display:grid;gap:2px}
.scol-h h2{margin:0;font:700 22px/1.3 var(--mincho)}
.scol-h p{margin:0;font-size:13px;color:var(--ink-3)}
.scol-h .pl{font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.scard{cursor:default}
.spv{padding:18px 22px;border-bottom:1px solid var(--grid);min-height:200px}
.sv-more{justify-self:start;margin-top:4px}
.sv-qt{margin-bottom:10px}.sv-q{margin:0;font-size:14px;font-weight:600;line-height:1.6}.sv-sub{margin:2px 0 0;font-size:12px;color:var(--ink-3)}
.sv-list{display:grid;gap:6px}
.sv-opt{display:flex;gap:10px;align-items:center;padding:8px 12px;border:1px solid var(--grid);border-radius:6px;cursor:pointer;font-size:13.5px}
.sv-opt:has(input:checked){border-color:var(--s1);background:color-mix(in srgb,var(--s1) 8%,var(--surface))}
.spv input[type=radio],.spv input[type=checkbox],.sv-big input[type=radio],.sv-big input[type=checkbox]{accent-color:var(--s1);width:16px;height:16px;margin:0;flex:none}
.sv-scale{margin-top:6px}.sv-srow{display:flex;align-items:center;gap:8px}
.sv-end{font-size:11.5px;color:var(--ink-3);flex:none;max-width:6em;line-height:1.3}
.sv-pts{display:flex;flex:1;gap:4px;min-width:0}
.sv-pt{flex:1;display:flex;flex-direction:column;align-items:center;gap:5px;padding:6px 2px;border-radius:6px;cursor:pointer;font-size:11px;color:var(--ink-2);text-align:center;line-height:1.3;min-width:0}
.sv-pt:has(input:checked){background:color-mix(in srgb,var(--s1) 10%,var(--surface));color:var(--ink-1);font-weight:600}
.sv-nps .sv-pt{font-size:12px;font-variant-numeric:tabular-nums}
.sv-sd .sv-pt{padding:4px 0}.sv-sd .sv-end{width:3.4em;font-size:12.5px;color:var(--ink-1)}.sv-sd .sv-srow .sv-end:last-child{text-align:right}
.sv-sd+.sv-sd{margin-top:2px}
.sv-mx{border-collapse:collapse;width:100%;font-size:12.5px}
.sv-mx th{font-weight:500;color:var(--ink-2);padding:6px 4px;text-align:center;font-size:11.5px}
.sv-mx tbody th{text-align:left;color:var(--ink-1);font-size:13px;white-space:nowrap}
.sv-mx td{text-align:center;padding:7px 4px;border-top:1px solid var(--grid)}
.sv-mx tbody tr:nth-child(odd){background:color-mix(in srgb,var(--grid) 35%,transparent)}
.sv-mx label{display:inline-flex;padding:4px;cursor:pointer}
.sv-btn{padding:8px 14px;border:1px solid var(--axis);background:var(--surface);color:var(--ink-1);border-radius:6px;font:inherit;font-size:13px;cursor:pointer}
.sv-btn:hover{border-color:var(--ink-3)}.sv-btn:disabled{opacity:.4;cursor:not-allowed}
.sv-btn.pri{background:var(--ink-1);color:var(--surface);border-color:var(--ink-1)}
.sv-btn.on{background:var(--s1);border-color:var(--s1);color:#fff}
.sv-btn.sm{padding:3px 9px;font-size:13px}
.sv-prog{height:4px;background:var(--grid);border-radius:2px;overflow:hidden;margin-bottom:8px}.sv-prog i{display:block;height:100%;background:var(--s1);transition:width .3s}
.sv-nav{display:flex;justify-content:flex-end;margin-top:10px}
.sv-done{margin:8px 0;font-size:13.5px;color:var(--ink-2)}
.sv-ab{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:6px}
.sv-abo{display:flex;gap:8px;align-items:center;padding:9px 12px;border:1px solid var(--grid);border-radius:6px;cursor:pointer;font-size:13px}
.sv-abo b{font:600 11px/1 var(--mono);color:var(--ink-3)}
.sv-abo:has(input:checked){border-color:var(--s1);background:color-mix(in srgb,var(--s1) 8%,var(--surface))}
.sv-ta{width:100%;border:1px solid var(--axis);border-radius:6px;padding:10px;font:inherit;font-size:13.5px;background:var(--surface);color:var(--ink-1);resize:vertical}
.sv-cnt{margin:4px 0 0;text-align:right;font:400 11px/1 var(--mono);color:var(--ink-3)}
.sv-acc .sv-ai{border:1px solid var(--grid);border-radius:8px;margin-bottom:6px;overflow:hidden;transition:background .2s}
.sv-ah{width:100%;display:flex;justify-content:space-between;gap:10px;padding:9px 12px;border:0;background:transparent;color:var(--ink-1);font:inherit;font-size:13.5px;cursor:pointer;text-align:left}
.sv-ah b{font-weight:500;font-size:12px;color:var(--ink-3)}
.sv-ai.done .sv-ah b{color:var(--s1);font-weight:600}
.sv-ai.open{border-color:var(--s1);box-shadow:0 4px 14px rgba(0,0,0,.06)}
.sv-ai.open .sv-ah{font-weight:600}
.sv-ab2{display:flex;flex-wrap:wrap;gap:6px;padding:0 12px 12px;animation:svup .32s ease-out}
.sv-ab2 .sv-btn{flex:1;min-width:4.5em;padding:8px 4px;font-size:12px}
@keyframes svup{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.sv-vas{margin:14px 4px 4px}
.sv-vtr{position:relative;height:28px;cursor:pointer;touch-action:none}
.sv-vtr::before{content:'';position:absolute;left:0;right:0;top:13px;height:3px;background:var(--axis);border-radius:2px}
.sv-vth{position:absolute;top:5px;width:18px;height:18px;margin-left:-9px;border-radius:50%;background:var(--s1);box-shadow:0 0 0 3px var(--surface)}
.sv-vlb{display:flex;justify-content:space-between;font-size:11.5px;color:var(--ink-3)}
.sv-cs{display:grid;gap:6px}
.sv-csr{display:grid;grid-template-columns:5em auto 1fr 2.4em auto;align-items:center;gap:8px;font-size:13px}
.sv-csb{height:10px;background:var(--grid);border-radius:3px;overflow:hidden}.sv-csb i{display:block;height:100%;background:var(--s1);transition:width .2s}
.sv-csr b{text-align:right;font-variant-numeric:tabular-nums}
.sv-rest{margin:8px 0 0;font-size:12.5px;color:var(--ink-2)}.sv-rest.ok{color:var(--ink-1);font-weight:600}
.sv-rank{list-style:none;margin:0;padding:0;display:grid;gap:5px}
.sv-rank li{display:grid;grid-template-columns:1.6em 1fr auto auto;gap:6px;align-items:center;padding:7px 10px;border:1px solid var(--grid);border-radius:6px;background:var(--surface);font-size:13.5px;cursor:grab}
.sv-rank li b{font:600 13px/1 var(--mono);color:var(--s1)}.sv-rank li.drag{opacity:.4}
.sv-sort{display:grid;gap:10px}
.sv-card{min-height:76px;border:1px solid var(--axis);border-radius:10px;padding:12px 14px;display:grid;align-content:center;gap:4px;box-shadow:0 6px 18px rgba(0,0,0,.06)}
.sv-card.in{animation:svup .3s ease-out}
.sv-cardt{margin:0;font-size:17px;font-weight:600}
.sv-bins{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.sv-bins .sv-btn{display:flex;justify-content:space-between;gap:6px;font-size:12px;padding:8px 10px}
.sv-md{border-collapse:collapse;width:100%;font-size:13px;margin-bottom:8px}
.sv-md th{font-size:11.5px;font-weight:500;color:var(--ink-3);padding:4px}
.sv-md td{text-align:center;padding:7px 4px;border-top:1px solid var(--grid)}.sv-md td.sv-mdi{font-weight:500}
.sv-face{display:flex;gap:6px}
.sv-fc{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 2px;border-radius:8px;cursor:pointer;color:var(--ink-3);font-size:11.5px;position:relative}
.sv-fc input{position:absolute;opacity:0}
.sv-fc svg{width:40px;height:40px}
.sv-fc:has(input:checked){color:var(--s1);background:color-mix(in srgb,var(--s1) 8%,var(--surface));font-weight:600}
.sv-fc:has(input:focus-visible){outline:2px solid var(--ink-1)}
.sv-chat{display:grid;gap:8px}
.sv-log{display:grid;gap:6px;max-height:170px;overflow:auto;align-content:start}
.sv-bub{justify-self:start;max-width:85%;background:color-mix(in srgb,var(--grid) 60%,var(--surface));border-radius:12px 12px 12px 3px;padding:8px 12px;font-size:13px;animation:svup .25s ease-out}
.sv-bub small{color:var(--ink-3);font-size:10.5px}
.sv-bub.me{justify-self:end;background:var(--s1);color:#fff;border-radius:12px 12px 3px 12px}
.sv-qr{display:flex;flex-wrap:wrap;gap:6px}.sv-qr .sv-btn{border-radius:999px}
.sv-branch{margin-top:10px;padding-left:12px;border-left:2px solid var(--s1)}
.sv-branch:empty{display:none}.sv-branch.in{animation:svup .3s ease-out}
.sv-cj{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px}
.sv-cjo{display:grid;gap:4px;text-align:left;padding:10px 12px}
.sv-cjo>b{font-size:13px}.sv-cjo span{display:flex;justify-content:space-between;gap:6px;font-size:12.5px;padding:3px 0;border-top:1px solid var(--grid)}
.sv-cjo span i{font-style:normal;color:var(--ink-3)}.sv-cjo span em{font-style:normal}
.sv-cjo span.diff em{font-weight:700;color:var(--ink-1)}
.sv-cjo:hover{border-color:var(--s1)}
.sv-big{max-width:640px;margin:8px auto 16px;padding:20px;border:1px solid var(--grid);border-radius:10px}
@media (max-width:820px){.sgrid{grid-template-columns:minmax(0,1fr)}}
.scard{--s1:var(--k)}
.scard .ph{background:color-mix(in srgb,var(--k) 12%,var(--surface))}
.scard .spv{background:color-mix(in srgb,var(--k) 4%,var(--surface))}
.scard .meta{grid-template-rows:auto auto 3.2em auto auto}
.scard .q{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.scard .tags{flex-wrap:nowrap;overflow:hidden}.scard .tag{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.scard .tag:first-child{flex:none;background:var(--k);color:#fff;border-color:var(--k)}
.scard .sv-opt:has(input:checked),.scard .sv-abo:has(input:checked){border-color:var(--k)}
.scol-h{border-bottom-color:var(--ink-1)}
.sheet.sv{--s1:var(--k)}
.sheet.sv .mhost{background:color-mix(in srgb,var(--k) 5%,var(--surface))}
/* volume tabs */
.vols{display:flex;gap:2px;margin-bottom:6px;border-bottom:1px solid var(--axis)}
.vols button{position:relative;border:0;background:transparent;padding:10px 18px 9px;color:var(--ink-3);cursor:pointer;text-align:left;display:grid;gap:3px;border-top:3px solid transparent;margin-bottom:-1px}
.vols button small{font:500 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase}
.vols button span{font:600 14px/1.2 var(--sans);letter-spacing:.04em}
.vols button:hover{color:var(--ink-1)}
.vols button[aria-selected="true"]{color:var(--ink-1);background:var(--surface);border-top-color:var(--ink-1);border-left:1px solid var(--axis);border-right:1px solid var(--axis);border-bottom:1px solid var(--surface)}
.vols button:focus-visible{outline:2px solid var(--ink-1);outline-offset:-2px}
.leaf{position:fixed;inset:0;z-index:60;pointer-events:none;background:var(--ink-1);color:var(--surface);display:grid;place-content:center;text-align:center;gap:8px;transform:translateX(101%);visibility:hidden}
.leaf.in,.leaf.out{visibility:visible;box-shadow:-30px 0 60px rgba(0,0,0,.25)}
.leaf small{font:500 12px/1 var(--mono);letter-spacing:.24em;text-transform:uppercase;opacity:.7}
.leaf b{font:600 clamp(26px,4.4vw,52px)/1.1 var(--serif);letter-spacing:-.02em}
.leaf span{font:600 14px/1 var(--sans);letter-spacing:.2em;opacity:.8}
.leaf.in{transition:transform .42s cubic-bezier(.7,0,.3,1);transform:translateX(0)}
.leaf.out{transition:transform .42s cubic-bezier(.7,0,.3,1);transform:translateX(-101%)}
.cbook{display:grid;gap:28px;padding-block:24px}
.c-note{margin:0;font-size:12.5px;color:var(--ink-3)}
.csec{display:grid;gap:14px}
.ccard{cursor:default}
.ccard .ph{background:color-mix(in srgb,var(--k) 12%,var(--surface))}
.c-body{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(18px,3vw,36px);padding:22px 24px 24px;align-items:start}
.c-text{display:grid;gap:12px;min-width:0}
.c-who{margin:0;font:500 11.5px/1.4 var(--mono);letter-spacing:.06em;color:var(--ink-3)}
.c-title{margin:0;font:700 clamp(20px,2.4vw,26px)/1.4 var(--mincho);letter-spacing:.01em}
.c-dl{margin:0;display:grid;gap:0}
.c-dl>div{display:grid;grid-template-columns:11.5em minmax(0,1fr);gap:4px 14px;padding:11px 0;border-top:1px solid var(--grid)}
.c-dl dt{font-size:12.5px;color:var(--ink-2);font-weight:600;display:flex;gap:8px;align-items:baseline}
.c-dl dt b{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--k);color:#fff;font:600 10.5px/1 var(--sans);flex:none;transform:translateY(-1px)}
.c-dl dd{margin:0;font-size:13.5px;line-height:1.8;color:var(--ink-1)}
.c-refs{display:grid;gap:8px;padding-top:12px;border-top:1px solid var(--grid)}
.c-refs>div{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.c-rl{font:500 11px/1 var(--mono);letter-spacing:.12em;color:var(--ink-3);width:5em}
.c-ref{padding:5px 10px;font-size:12px;border-radius:999px}
.c-ref:hover{border-color:var(--k);color:var(--ink-1)}
.c-fig{margin:0;border:1px solid var(--grid);border-radius:8px;background:var(--surface);padding:10px 8px 8px;min-width:0}
.c-host{height:300px;overflow:hidden}
.c-fig figcaption{margin-top:8px;padding-top:8px;border-top:1px solid var(--grid);font-size:11.5px;color:var(--ink-3)}
@media (max-width:560px){.vols{overflow-x:auto;scrollbar-width:none}.vols button{padding:8px 10px 7px;flex:none}.vols button span{font-size:12px;white-space:nowrap}.emblem{display:none}.hero-text{padding-right:0!important}}
@media (max-width:900px){.c-body{grid-template-columns:minmax(0,1fr)}.c-dl>div{grid-template-columns:minmax(0,1fr)}}
.vols-gap{flex:1;min-width:16px}
.vols .rt small{letter-spacing:.14em}
.vols .rt.ct{background:var(--ink-1);color:var(--surface);border-radius:6px 6px 0 0}
.vols .rt.ct small{opacity:.7}
.vols .rt.ct[aria-selected="true"]{background:var(--surface);color:var(--ink-1)}
.pg{padding-block:28px}
.pf-fig{margin:0;min-width:0}.pf-fig svg{width:100%;height:auto;display:block}
.pf-fig figcaption{font-size:11.5px;color:var(--ink-3);margin-top:6px}
.pf-dl{margin:6px 0 0;display:grid}
.pf-dl>div{display:grid;grid-template-columns:7em minmax(0,1fr);gap:10px;padding:8px 0;border-top:1px solid var(--grid);font-size:13px}
.pf-dl dt{color:var(--ink-3)}.pf-dl dd{margin:0}
.ab-body{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,2fr);gap:clamp(20px,4vw,56px);padding:26px 26px 32px}
.ab-name{margin:0;font:700 28px/1.2 var(--mincho);letter-spacing:.1em}
.ab-org{margin:6px 0 14px;font:500 12px/1 var(--mono);letter-spacing:.16em;color:var(--ink-3)}
.ab-main{max-width:42em}
.ab-main h2{margin:0 0 14px;font:700 clamp(22px,2.8vw,30px)/1.35 var(--mincho)}
.ab-main h3{margin:26px 0 8px;font:700 17px/1.4 var(--mincho)}
.ab-main p{margin:0;font-size:14.5px;line-height:1.95;color:var(--ink-1)}
.ct-body{padding:30px 26px 34px;display:grid;gap:14px;max-width:46em}
.ct-body h2{margin:0;font:700 clamp(22px,2.8vw,30px)/1.35 var(--mincho)}
.ct-body>p{margin:0;font-size:14.5px;line-height:1.9}
.ct-list{margin:0;padding-left:1.2em;display:grid;gap:4px;font-size:14px;color:var(--ink-2)}
.ct-btn{justify-self:start;padding:13px 22px;border:0;border-radius:8px;background:var(--ink-1);color:var(--surface);font:600 15px/1 var(--sans);cursor:pointer}
.ct-btn:disabled{opacity:.45;cursor:not-allowed}
@media (max-width:820px){.ab-body{grid-template-columns:minmax(0,1fr)}}
.lp{display:grid;gap:0;padding-block:8px 40px}
.lp-sec{padding:clamp(40px,7vw,88px) 0;border-top:1px solid var(--axis);display:grid;gap:18px;max-width:1080px}
.lp-sec:first-child{border-top:0}
.lp-kicker{margin:0;font:500 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}
.lp-h{margin:0;font:700 clamp(30px,5vw,58px)/1.2 var(--mincho);letter-spacing:-.01em;text-wrap:balance}
.lp-lead{margin:0;max-width:40em;font-size:clamp(15px,1.6vw,17px);line-height:2;color:var(--ink-2)}
.lp-h3{margin:0;font:700 clamp(20px,2.6vw,28px)/1.4 var(--mincho);text-wrap:balance}
.lp-sec p{margin:0;font-size:15px;line-height:1.95}
.lp-stage{margin-top:10px;border:1px solid var(--axis);background:var(--surface);padding:12px;display:grid;gap:10px}
.lp-stage .appx-fig{height:clamp(320px,46vw,520px)}
.lp-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,3vw,36px);margin-top:6px}
.lp-cols>div{display:grid;gap:8px;align-content:start;padding-top:14px;border-top:2px solid var(--ink-1)}
.lp-cols b{font:600 13px/1 var(--mono);color:var(--ink-3)}
.lp-cols h4{margin:0;font-size:17px;font-weight:700}
.lp-cols p{font-size:14px!important;color:var(--ink-2)}
.lp-split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,64px);align-items:center;display:grid}
.lp-split>div{display:grid;gap:14px}
.lp-pick{border:1px solid var(--axis);background:var(--surface);padding:16px;display:grid;gap:6px}
.pk-row{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border:1px solid var(--grid);border-radius:6px;font-size:14px}
.pk-row i{font-style:normal;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;min-width:4.5em;text-align:center}
.pk-row i.s{background:var(--s1);color:#fff}.pk-row i.m{background:var(--s2);color:#fff}
.pk-more{font-size:12px;color:var(--ink-3);padding-top:4px}
.ab-sign{display:flex;gap:14px;align-items:baseline;margin-top:8px!important}
.ab-sign b{font:700 22px/1 var(--mincho);letter-spacing:.12em}.ab-sign span{font:500 12px/1 var(--mono);letter-spacing:.16em;color:var(--ink-3)}
.lp-principle{grid-template-columns:auto minmax(0,1fr);gap:clamp(18px,4vw,48px);display:grid;align-items:start}
.lp-principle>b{font:600 clamp(36px,5vw,64px)/1 var(--serif);color:var(--ink-3);letter-spacing:-.03em}
.lp-principle>div{display:grid;gap:14px;max-width:42em}
.lp-cta{margin-top:8px;padding:clamp(32px,5vw,56px);background:var(--ink-1);color:var(--surface);display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between}
.lp-cta p{margin:0;font:700 clamp(18px,2.4vw,24px)/1.4 var(--mincho)}
.lp-cta .ct-btn{background:var(--surface);color:var(--ink-1)}
@media (max-width:820px){.lp-cols,.lp-split{grid-template-columns:minmax(0,1fr)}.lp-split.rev>figure{order:2}}
.lp-nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:15;display:flex;gap:4px 22px;flex-wrap:wrap;padding:12px 0;background:var(--plane);border-bottom:1px solid var(--axis)}
.lp-nav a{color:var(--ink-2);text-decoration:none;font-size:13px;font-weight:600}
.lp-nav a:hover{color:var(--ink-1);text-decoration:underline}
.lp-part{scroll-margin-top:56px}
.lp-part+.lp-part>.lp-sec:first-child{border-top:2px solid var(--ink-1)}
#pg-contact .lp-sec:last-child{padding-bottom:20px}
.lp-sec{padding:clamp(28px,4vw,52px) 0!important;max-width:none!important;gap:14px!important}
.lp-split{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)!important;gap:clamp(20px,3.5vw,48px)!important;align-items:start!important}
.lp-txt{display:grid;gap:12px;min-width:0;align-content:start}
.lp .lp-h{font-size:clamp(24px,3.2vw,38px)!important;line-height:1.3!important}
.lp-sec p{font-size:14px!important;line-height:1.85!important}
.lp-pts{margin:4px 0 0;display:grid}
.lp-pts>div{display:grid;grid-template-columns:8.5em minmax(0,1fr);gap:4px 14px;padding:9px 0;border-top:1px solid var(--grid)}
.lp-pts dt{font-size:12.5px;font-weight:700;color:var(--ink-1)}
.lp-pts dd{margin:0;font-size:13px;line-height:1.75;color:var(--ink-2)}
.lp-stage .appx-fig{height:clamp(300px,34vw,440px)!important}
.lp-prs{display:grid;gap:0}
.lp-prs>div{display:grid;grid-template-columns:2.6em minmax(0,1fr);gap:4px 12px;padding:14px 0;border-top:1px solid var(--grid)}
.lp-prs>div:first-child{border-top:2px solid var(--ink-1)}
.lp-prs b{grid-row:span 2;font:600 22px/1.1 var(--serif);color:var(--ink-3)}
.lp-prs h3{margin:0;font:700 16px/1.45 var(--mincho)}
.lp-prs p{margin:0;font-size:13px!important;line-height:1.8!important;color:var(--ink-2)}
#pg-author .pf-fig{border:1px solid var(--axis);background:var(--surface);padding:12px}
@media (max-width:820px){.lp-split{grid-template-columns:minmax(0,1fr)!important}.lp-pts>div{grid-template-columns:minmax(0,1fr)}}
#pg-author{padding-top:0}
.band{margin-inline:calc(-1*clamp(16px,4vw,40px));padding-inline:clamp(16px,4vw,40px)!important;background:var(--plane)}
.band>*{max-width:1240px}
.lp-split.band{padding-block:clamp(36px,5vw,64px)!important}
.band-tint{background:color-mix(in srgb,var(--s1) 6%,var(--plane))}
.band-dk{--surface:#13213a;--plane:#0e1a2e;--ink-1:#f4f7fb;--ink-2:#c6d0de;--ink-3:#8e9db3;--axis:#33465f;--grid:#23344c;--deemph:#5b6b80;color:var(--ink-1);background:#0e1a2e;border-top:0!important;color-scheme:dark}
.band-dk .lp-stage{background:#13213a;border-color:#2a3d57}
.band-dk .appx-link{border-color:var(--ink-1);color:var(--ink-1)}
.band-dk .appx-link:hover{background:var(--ink-1);color:#0e1a2e}
.lp .lp-kicker{color:var(--s1);font-weight:600}
.band-dk .lp-kicker{color:#7fb2f0}
.lp .lp-h{color:var(--ink-1)}
.lp-nav{gap:4px 6px;align-items:center;padding:10px 0;margin-inline:calc(-1*clamp(16px,4vw,40px));padding-inline:clamp(16px,4vw,40px);background:color-mix(in srgb,var(--plane) 92%,transparent);backdrop-filter:blur(8px)}
.lp-nav a{padding:7px 12px;border-radius:999px;display:inline-flex;gap:8px;align-items:baseline}
.lp-nav a b{font:600 11px/1 var(--mono);color:var(--s1)}
.lp-nav a:hover{background:color-mix(in srgb,var(--s1) 10%,transparent);text-decoration:none}
.lp-nav .nav-cta{margin-left:auto;background:var(--s2);color:#fff!important}
.lp-nav .nav-cta:hover{background:color-mix(in srgb,var(--s2) 85%,#000)}
.lp-mini{justify-self:start;margin-top:8px;display:inline-flex;gap:10px;align-items:center;padding:10px 16px;border-radius:999px;background:var(--s2);color:#fff;text-decoration:none;font-size:13.5px;font-weight:600}
.lp-mini span{transition:transform .15s}.lp-mini:hover span{transform:translateX(3px)}
.band-dk .lp-mini{background:#f4f7fb;color:#0e1a2e}
.lp-prs b{color:var(--s1)!important}
.lp-prs>div:first-child{border-top-color:var(--s1)!important}
.lp-pts dt{color:var(--ink-1)}
.band-tint .pf-fig{background:var(--surface)!important}
.ab-sign b{color:var(--ink-1)}
.lp-contact .lp-h{font-size:clamp(26px,3.6vw,44px)!important}
.ct-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:6px}
.ct-main{padding:16px 28px!important;font-size:16px!important;background:var(--s2)!important;color:#fff!important;border-radius:999px!important}
.ct-soon{font:500 11px/1 var(--mono);letter-spacing:.14em;color:var(--ink-3);border:1px solid var(--axis);padding:5px 8px;border-radius:4px}
.lp-contact .lp-pts dd{color:var(--ink-2)}
.ab-x{margin-left:auto;font-size:13px;font-weight:600;color:var(--ink-1);text-decoration:underline;text-underline-offset:3px}
.ab-sign{flex-wrap:wrap}
.ct-alt{font-size:13px!important;color:var(--ink-2)}.ct-alt a{color:var(--ink-1);font-weight:600;margin-left:8px}
/* ===== paper edition ===== */
:root{--plane:#efeee9;--paper-grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.45 0 0 0 0 0.43 0 0 0 0 0.40 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");--surface:#fdfdfb}
:root[data-book="survey"]{--plane:#e7ebee}
:root[data-book="case"]{--plane:#e6e9e2}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--plane:#1b1a18;--surface:#232220}:root:not([data-theme="light"])[data-book="survey"]{--plane:#181b1e}:root:not([data-theme="light"])[data-book="case"]{--plane:#191b17}}
:root[data-theme="dark"]{--plane:#1b1a18;--surface:#232220}:root[data-theme="dark"][data-book="survey"]{--plane:#181b1e}:root[data-theme="dark"][data-book="case"]{--plane:#191b17}
body{background:var(--paper-grain),var(--plane);transition:background-color .3s}
.filters,.lp-nav{background:var(--paper-grain),var(--plane)!important;backdrop-filter:none!important}
.band:not(.band-dk){background:var(--paper-grain),var(--plane)}
.band-tint{background:var(--paper-grain),color-mix(in srgb,var(--s1) 5%,var(--plane))!important}
.card,.lp-stage,.pf-fig,.c-fig{box-shadow:0 1px 0 rgba(0,0,0,.04),0 1px 3px rgba(40,35,25,.05)}
.top{position:relative}
.tombo{position:absolute;width:22px;height:22px;pointer-events:none;color:var(--ink-3);opacity:.55}
.tombo::before,.tombo::after{content:'';position:absolute;background:currentColor}
.tombo::before{width:16px;height:1px;top:6px}.tombo::after{width:1px;height:16px;left:6px}
.tombo.tl{left:-18px;top:14px}.tombo.tl::before{left:-10px}.tombo.tl::after{top:-10px}
.tombo.tr{right:-18px;top:14px}.tombo.tr::before{right:-10px;left:auto}.tombo.tr::after{top:-10px;left:auto;right:6px}
@media (max-width:760px){.tombo{display:none}}
.folio{display:flex;justify-content:space-between;gap:16px;margin:36px 0 0;padding-top:10px;border-top:1px solid var(--axis);font:400 11px/1 var(--mono);letter-spacing:.06em;color:var(--ink-3)}
.lp-kicker{text-transform:none!important;letter-spacing:.04em!important;font-size:12px!important}
.lp-mini,.lp-nav .nav-cta,.ct-main{background:var(--ink-1)!important;color:var(--plane)!important}
.lp-mini:hover,.lp-nav .nav-cta:hover{background:color-mix(in srgb,var(--ink-1) 82%,var(--plane))!important}
.band-dk .lp-mini,.band-dk .ct-main{background:#f4f7fb!important;color:#0e1a2e!important}
@media (max-width:560px){.tombo{display:none}}
.ex summary{cursor:pointer;font-weight:600}
#s-exb{display:grid;gap:10px;padding:10px 0 4px}
.ex-def{margin:0;font-size:15px;font-weight:600;line-height:1.8}
.ex-sig{margin:2px 0 0;font-size:11.5px;color:var(--ink-3);opacity:.75;letter-spacing:.04em;text-align:right}
.ex-al{margin:0;font-size:12.5px;color:var(--ink-3)}
.ex-faq{display:grid;gap:8px}.ex-faq h4{margin:0;font-size:13.5px}.ex-faq p{margin:2px 0 0;font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.ex-rel{margin:0;font-size:12.5px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.ex-link{border:1px solid var(--axis);background:transparent;color:var(--ink-1);border-radius:999px;padding:3px 10px;font:inherit;font-size:12px;cursor:pointer}
/* svg text + marks */
.t-ax{fill:var(--ink-3);font-size:11px}
.t-lb{fill:var(--ink-2);font-size:12px}
.t-val{fill:var(--ink-1);font-size:12px;font-weight:500}
.t-seg{font-size:11px;font-weight:500}
.t-q{fill:var(--ink-2);font-size:12px;font-weight:600}
.halo{paint-order:stroke;stroke:var(--surface);stroke-width:3px;stroke-linejoin:round}
.grid-l{stroke:var(--grid);stroke-width:1}
.axis-l{stroke:var(--axis);stroke-width:1}
.cross{stroke:var(--ink-3);stroke-width:1}
.mk{cursor:default}
.mk:hover{opacity:.8}
.mk:focus-visible{outline:2px solid var(--ink-1);outline-offset:1px}

/* tooltip */
.tip{position:fixed;top:0;left:0;z-index:100;pointer-events:none;background:var(--surface);color:var(--ink-1);border:1px solid var(--ring);border-radius:6px;box-shadow:var(--shadow);padding:8px 10px;font-size:12px;line-height:1.5;min-width:112px;max-width:260px}
.tip[hidden]{display:none}
.tip-h{color:var(--ink-2);margin-bottom:3px}
.tip-r{display:flex;align-items:center;gap:8px}
.tip-r i{width:10px;height:3px;border-radius:2px;flex:none}
.tip-r b{font-weight:600;font-variant-numeric:tabular-nums}
.tip-r span{color:var(--ink-2)}

/* modal */
.modal{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.55);overflow:auto;display:flex;justify-content:center;align-items:flex-start;padding:max(16px,env(safe-area-inset-top,0px)) 16px max(16px,env(safe-area-inset-bottom,0px))}
.modal[hidden]{display:none}
.sheet{background:var(--surface);color:var(--ink-1);border-radius:12px;border-top:6px solid var(--k,transparent);width:min(100%,940px);margin-block:auto;box-shadow:var(--shadow);min-width:0}
.sh-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding:20px 20px 4px}
.sh-head h2{margin:4px 0 0;font-size:clamp(20px,3.4vw,26px);line-height:1.3;font-weight:600;text-wrap:balance}
.x{flex:none;width:40px;height:40px;border:1px solid var(--axis);background:transparent;border-radius:8px;cursor:pointer;font-size:20px;line-height:1}
.x:hover{border-color:var(--ink-3)}
.mhost{padding:8px 20px 0;overflow:hidden}
.facts{margin:0;padding:8px 20px 4px;display:grid}
.facts>div{display:grid;grid-template-columns:8.5em minmax(0,1fr);gap:4px 16px;padding-block:12px;border-top:1px solid var(--grid)}
.facts dt{font:500 12px/1.8 var(--mono);color:var(--ink-3);letter-spacing:.04em}
.facts dd{margin:0;color:var(--ink-1);text-wrap:pretty}
details{margin:6px 20px 0;border-top:1px solid var(--grid);padding-block:12px}
summary{cursor:pointer;font-weight:500;width:max-content;max-width:100%}
.tbl{overflow:auto;max-height:280px;margin-top:10px;border:1px solid var(--grid);border-radius:6px}
table{border-collapse:collapse;width:100%;font-size:12.5px;font-variant-numeric:tabular-nums}
th,td{padding:6px 10px;text-align:right;border-bottom:1px solid var(--grid);white-space:nowrap}
th:first-child,td:first-child{text-align:left}
thead th{position:sticky;top:0;background:var(--surface);color:var(--ink-2);font-weight:500}
pre{margin:0;background:var(--plane);border:1px solid var(--ring);border-radius:8px;padding:12px 14px;font:13px/1.8 var(--sans);white-space:pre-wrap;overflow-wrap:anywhere}

/* rules + foot */
.rules{border-top:1px solid var(--grid);padding-block:14px 2px;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 18px}
.rules h2{margin:0;font:500 11px/1.6 var(--mono);letter-spacing:.08em;color:var(--ink-3)}
.rules ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:2px 20px}
.rules li{font-size:12.5px;line-height:1.6;color:var(--ink-2)}
.foot{padding-top:18px;color:var(--ink-3);font-size:12.5px}

@media (max-width:560px){
  .facts>div{grid-template-columns:minmax(0,1fr)}
  .modal{padding:0}
  .sheet{border-radius:0;min-height:100%;width:100%}
  .shown{margin-left:0;width:100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
/* ---- plate edition: printed-plate cards ---- */
:root{--hair:color-mix(in srgb,var(--ink-1) 24%,transparent);--hair-2:color-mix(in srgb,var(--ink-1) 12%,transparent);--card:color-mix(in srgb,var(--plane) 38%,#fff)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--card:color-mix(in srgb,var(--plane) 70%,#fff 4%)}}
:root[data-theme="dark"]{--card:color-mix(in srgb,var(--plane) 70%,#fff 4%)}
.card,.scard,.ccard{background:var(--card)!important;border:1px solid var(--hair)!important;border-radius:0!important;box-shadow:none!important;transition:background .15s}
.card:hover{box-shadow:none!important;background:color-mix(in srgb,var(--card) 70%,#fff)!important;border-color:color-mix(in srgb,var(--ink-1) 55%,transparent)!important}
.card .ph,.scard .ph,.ccard .ph{background:color-mix(in oklab,var(--k) 8%,color-mix(in srgb,var(--card) 95%,var(--ink-1)))!important;border-bottom:1px solid var(--hair)}
.pv,.rule{border-color:var(--hair-2)!important}
.scard .spv{background:transparent!important}
.card.picked{outline:2px solid var(--ink-1);outline-offset:-2px}
.dot{border-radius:0}
.tag{border-radius:0;border-color:var(--hair)}
.scard .tag:first-child{border-radius:0}
.chip,.ordbtn,.ob-in button,.ex-link,.c-ref,.pk-row,.appx-link,.ct-btn,.lp-mini,.ct-main,.lp-nav a,.sv-more,.ck{border-radius:0!important}
.chip{border-color:var(--hair)}
.sheet{border-radius:0;border-top-width:4px}
.c-fig,.lp-stage,.pf-fig,.sv-big{border-radius:0!important;border-color:var(--hair-2)!important;box-shadow:none!important;background:var(--card)}
.grid,.sg2{gap:14px}

/* plate number */
.pl-k{font:500 11px/1 var(--mono);font-style:normal;color:var(--ink-3);letter-spacing:.02em;margin-right:-6px}
.pl b{font-family:var(--mono)!important;font-weight:500!important;letter-spacing:0!important}
/* part dividers */
.part-h{grid-column:1/-1;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding:22px 2px 8px;border-bottom:1px solid var(--ink-1);margin-top:10px}
.part-h:first-child{margin-top:0;padding-top:4px}
.part-no{font:500 12px/1 var(--mono);color:var(--ink-3)}
.part-h h3{margin:0;font:600 22px/1.2 var(--mincho);display:inline-flex;align-items:center;gap:10px}
.part-h h3::before{content:'';width:10px;height:10px;background:var(--k)}
.part-en{font:italic 400 15px/1.2 var(--serif);color:var(--ink-2)}
.part-n{margin-left:auto;font:400 12px/1 var(--mono);color:var(--ink-3)}
.partbtn{border:0;background:none;padding:6px 2px;color:var(--ink-1);font:500 13px/1.3 var(--sans);cursor:pointer;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:var(--hair)}
.partbtn:hover{text-decoration-color:var(--ink-1)}
/* crop marks around the open plate */
.sheet{position:relative}
.sheet::after{content:'';position:absolute;inset:-18px;pointer-events:none;--cm:rgba(255,255,255,.75);
 background:
 linear-gradient(var(--cm),var(--cm)) left 0 top 18px/11px 1px no-repeat,
 linear-gradient(var(--cm),var(--cm)) left 18px top 0/1px 11px no-repeat,
 linear-gradient(var(--cm),var(--cm)) right 0 top 18px/11px 1px no-repeat,
 linear-gradient(var(--cm),var(--cm)) right 18px top 0/1px 11px no-repeat,
 linear-gradient(var(--cm),var(--cm)) left 0 bottom 18px/11px 1px no-repeat,
 linear-gradient(var(--cm),var(--cm)) left 18px bottom 0/1px 11px no-repeat,
 linear-gradient(var(--cm),var(--cm)) right 0 bottom 18px/11px 1px no-repeat,
 linear-gradient(var(--cm),var(--cm)) right 18px bottom 0/1px 11px no-repeat}
.modal{padding-top:max(34px,env(safe-area-inset-top,0px));padding-bottom:34px}
@media (max-width:640px){.sheet::after{display:none}}
/* text links instead of boxed buttons */
.sv-more,.ex-link,.c-ref,.appx-link{border:0!important;background:none!important;padding:3px 0!important;color:var(--ink-1)!important;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:var(--hair);box-shadow:none!important}
.sv-more:hover,.ex-link:hover,.c-ref:hover,.appx-link:hover{text-decoration-color:currentColor}
.ex-rel{display:flex;flex-wrap:wrap;gap:4px 18px;align-items:baseline}
.c-refs>div{gap:6px 20px!important}
#s-id span:first-child{text-transform:none}
.top .lede .ja-title{display:inline;margin:0;font-size:inherit;letter-spacing:.08em;color:var(--ink-1)}
.top .lede{margin-top:8px}
@media (min-width:760px){.top .lede{max-width:none;white-space:nowrap}}

.orig{display:inline-block;font:500 10.5px/1 var(--mono);letter-spacing:.06em;padding:4px 7px;border:1px solid currentColor;color:var(--ink-1);vertical-align:middle;white-space:nowrap}
.ccard .ph .orig{margin-left:auto;margin-right:14px}
.lp-kicker .orig{margin-left:6px}
.xl{display:grid;gap:10px;font-size:12.5px;padding:4px 2px}
.xl-sl{display:flex;flex-wrap:wrap;gap:8px}
.xl-slc{border:1px solid var(--hair);padding:6px 8px;display:grid;gap:6px;background:var(--card)}
.xl-sh{font-weight:600;font-size:12px}
.xl-sg{display:flex;flex-wrap:wrap;gap:4px}
.xl-sb{border:1px solid #1f5a7a;background:transparent;color:var(--ink-2);font:inherit;font-size:11.5px;padding:2px 8px;cursor:pointer}
.xl-sb[aria-pressed="true"]{background:#1f5a7a;color:#fff}
.xl-hb{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.xl-hl{font-weight:600;margin-right:4px}
.xl-hbtn{border:1px solid var(--hair);background:transparent;color:var(--ink-1);font:inherit;padding:3px 10px;cursor:pointer}
.xl-hbtn[aria-pressed="true"]{background:var(--ink-1);color:var(--surface);border-color:var(--ink-1)}
.xl-q{margin:2px 0 0;padding:5px 8px;background:color-mix(in srgb,#3a86c8 16%,var(--card));font-weight:600}
.xl-sc{overflow-x:auto}
.xl-t{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums}
.xl-t th,.xl-t td{padding:4px 6px;border-bottom:1px solid var(--hair-2);white-space:nowrap}
.xl-t thead th{font-weight:600;text-align:right;border-bottom:1px solid var(--ink-3)}
.xl-t tbody th{font-weight:400;text-align:left}
.xl-t td{text-align:right;position:relative;min-width:66px}
.xl-t td i{position:absolute;left:4px;top:5px;bottom:5px;background:color-mix(in srgb,#3a86c8 30%,transparent)}
.xl-t td span{position:relative}
.xl-n th,.xl-n td{font-weight:600;border-bottom:0}
.c-host:has(.xl){height:auto!important;max-height:none!important;overflow:visible!important}
.xl-t{font-size:11.5px}.xl-t tbody th{white-space:normal;min-width:7em}.xl-t td{min-width:52px;padding:4px 4px}

.vols{position:relative}
.vols-ink{position:absolute;top:0;left:0;width:0;height:3px;background:var(--ink-1);z-index:2;transition:left .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1);pointer-events:none}
.vols button[aria-selected="true"]{border-top-color:transparent!important}
html.swap main,html.swap .filters,html.swap #pg-author,html.swap .rules,html.swap .foot{opacity:0}
main,.filters,#pg-author,.rules,.foot{transition:opacity .15s ease}
.top .hero-text>*{transition:opacity .15s}
.leaf{display:none!important}
.ob-hint{font-size:12px;color:var(--ink-3)}@media (max-width:760px){.ob-hint{display:none}}

/* author page: ink & paper palette */
.lp .lp-kicker,.band-dk .lp-kicker{color:var(--ink-3)!important;font-weight:500}
.lp-nav a b,.lp-prs b{color:var(--ink-3)!important}
.lp-nav a:hover{background:color-mix(in srgb,var(--ink-1) 7%,transparent)}
.band-tint{background:var(--paper-grain),color-mix(in srgb,var(--ink-1) 3%,var(--plane))!important}
.lp-contact.band-dk{--surface:#2a2824;--plane:#1f1d1a;--ink-1:#f3f1ea;--ink-2:#cfcbc0;--ink-3:#9c978b;--axis:#4a463f;--grid:#38352f;background:var(--paper-grain),#1f1d1a!important}
.lp-prs>div{border-top-color:var(--hair)!important}
.lp-prs>div:first-child{border-top:2px solid var(--ink-1)!important}
#pg-map .lp-stage,#ax-fig{background:var(--card)}

.bp-fig{display:grid;place-items:center;padding:22px 16px 12px!important}
.bp-scr{width:min(100%,340px);border:1px solid var(--hair);background:var(--surface);padding:14px 12px 10px;display:grid;gap:8px}
.bp-q{margin:0;font-size:12.5px;font-weight:600;line-height:1.6}
.bp-h,.bp-l li{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:6px}
.bp-h b{font-size:11px;text-align:center;color:var(--ink-2)}
.bp-l{list-style:none;margin:0;padding:0;display:grid;gap:5px}
.bp-l li{border:1px solid var(--hair-2);padding:7px 0;font-size:12.5px}
.bp-l span{text-align:center}
.bp-l i{justify-self:center;width:16px;height:16px;border:1.5px solid var(--axis)}
.bp-l li i:first-child.on{background:var(--s1);border-color:var(--s1)}
.bp-l li i:last-child.on{background:var(--s2);border-color:var(--s2)}
.bp-sec .lp-txt{max-width:46em}
.bp-sec .lp-pts>div{grid-template-columns:7em minmax(0,1fr)}
@media (max-width:640px){.bp-sec .lp-pts>div{grid-template-columns:minmax(0,1fr)}}
#pg-about b{font-weight:700;color:var(--ink-1)}
.lp-prs p b{font:inherit!important;font-weight:700!important;color:var(--ink-1)!important;grid-row:auto!important;letter-spacing:inherit!important}

:root[data-book="author"] .en-title{font-family:var(--sans)!important;font-weight:700!important;font-size:clamp(30px,5.2vw,68px)!important;letter-spacing:.01em!important;line-height:1.25!important}
:root[data-book="author"] .top{padding-bottom:clamp(28px,5vw,64px)}
.colophon{margin:clamp(8px,2vw,20px) 0 clamp(36px,6vw,72px);max-width:620px;border:1px solid var(--ink-1);padding:4px}
.colophon>dl,.colophon>.co-t{border:1px solid var(--hair)}
.co-t{margin:0 0 4px;padding:6px 14px;font:600 12px/1 var(--mincho);letter-spacing:.5em;text-align:center}
.colophon dl{margin:0;padding:6px 16px}
.colophon dl>div{display:grid;grid-template-columns:3.5em minmax(0,1fr);gap:12px;padding:7px 0;border-bottom:1px solid var(--hair-2);font-size:13px}
.colophon dl>div:last-child{border-bottom:0}
.colophon dt{font-family:var(--mincho);color:var(--ink-3);letter-spacing:.3em}
.colophon dd{margin:0;color:var(--ink-1)}
#pg-author .lp-split.band{padding-block:clamp(56px,9vw,128px)!important}
#pg-author .lp-h{font-size:clamp(26px,3.4vw,40px)}
@media (min-width:900px){
.colophon{max-width:none;display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px;margin-top:0}
.co-t{margin:0;letter-spacing:.3em;padding:0 18px;display:flex;align-items:center;justify-content:center;white-space:nowrap;font-size:13px}
.colophon dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:28px;padding:8px 20px}
.colophon dl>div{border-bottom:0;border-top:1px solid var(--hair-2)}
.colophon dl>div:nth-child(-n+3){border-top:0}
}
:root[data-book="author"] .top{padding-bottom:clamp(16px,3vw,32px)}
.ct-mail{user-select:all;font-weight:600;letter-spacing:.02em}
a.ct-btn{display:inline-block;text-decoration:none;line-height:1}

@media (max-width:640px){
 #grid.grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:8px!important}
 #grid .card .pv{height:auto!important;padding:8px 2px!important}
 #grid .card .ph{padding:8px 10px 6px!important}
 #grid .card .pl{font-size:10px!important;gap:4px!important}
 #grid .card .pl-k{display:none}
 #grid .card .pl b{font-size:15px!important}
 #grid .card .ph .cat{display:none!important}
 #grid .card .meta{padding:8px 10px 10px!important;gap:4px!important}
 #grid .card h2{font-size:13px!important;line-height:1.35!important}
 #grid .card .q,#grid .card .tags,#grid .card .rule{display:none!important}
 #grid .part-h h3{font-size:18px}
}
@media (max-width:640px){
 .filters .in{flex-wrap:nowrap!important;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
 .filters .in::-webkit-scrollbar{display:none}
 .filters .chip,.filters .shown,.filters .partbtn,.filters .ordbtn{flex:none}
}
.series{display:flex;justify-content:space-between;align-items:center;gap:8px 20px;flex-wrap:wrap;max-width:1240px;margin:0 auto;padding:14px 0 0;font:500 12px/1.4 var(--sans)}
.series a{color:var(--ink-2);text-decoration:none;display:inline-flex;gap:6px;align-items:baseline}
.series a:hover{color:var(--ink-1);text-decoration:underline;text-underline-offset:3px}
.series .home b{font:600 12px/1 var(--serif);letter-spacing:.12em;color:var(--ink-1)}
.series .shelf{display:flex;gap:4px 16px;flex-wrap:wrap;align-items:baseline}
.series .shelf small{font:500 10.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.series .shelf a[aria-current="page"]{color:var(--ink-1);font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}