:root{
  color-scheme:light;
  --bg:#fff;--bg2:#f6f6f7;--bg3:#ececf0;--line:#e2e2e7;--ink:#1f1f23;--mute:#67676c;
  --acc:#c72f66;--acc-ink:#fff;--acc-soft:#ffe6ee;
  --ok:#16794a;--ok-soft:#e3f5ec;--no:#b3261e;--no-soft:#fbe8e6;--warn:#8a5a00;--warn-soft:#fff3d6;
  --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;
  --r:12px;--pad:16px;--bar-h:0px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#131316;--bg2:#1d1d21;--bg3:#27272d;--line:#2d2d34;--ink:#f3f3f5;--mute:#a6a6b0;
    --acc:#ff7fa6;--acc-ink:#1a0710;--acc-soft:#3b1726;
    --ok:#62d69c;--ok-soft:#14301f;--no:#ff8f86;--no-soft:#3a1916;--warn:#f2c35b;--warn-soft:#33270a;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#131316;--bg2:#1d1d21;--bg3:#27272d;--line:#2d2d34;--ink:#f3f3f5;--mute:#a6a6b0;
  --acc:#ff7fa6;--acc-ink:#1a0710;--acc-soft:#3b1726;
  --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%;scroll-behavior:smooth}
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(--acc);outline-offset:2px;border-radius:6px}
.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}
.wrap{max-width:1120px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

.top{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:18px;letter-spacing:-.01em;min-height:44px}
.brand b{color:var(--acc);font-weight:700}
.brand-face{background:var(--acc-soft);color:var(--acc);border-radius:999px;padding:3px 10px;font-weight:600;font-size:15px}
.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--bg);display:grid;place-items:center}
.icon-btn:hover{background:var(--bg2)}
.i-sun{display:none}
.icon-btn[data-mode="dark"] .i-sun{display:block}
.icon-btn[data-mode="dark"] .i-moon{display:none}

.hero{padding-top:12px;padding-bottom:16px}
.hero h1{margin:0;font-size:clamp(34px,9vw,52px);line-height:1.05;letter-spacing:-.03em;font-weight:780}
.lede{margin:10px 0 0;color:var(--mute);font-size:17px;max-width:38ch}
.crumb ol{list-style:none;margin:0 0 6px;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}

.bar{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 0 10px}
.search{display:flex;align-items:center;gap:10px;height:48px;border:1px solid var(--line);border-radius:var(--r);padding:0 14px;background:var(--bg);color:var(--mute)}
.search:focus-within{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-soft);color:var(--acc)}
.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)}
.chips-wrap{position:relative;margin-top:8px}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 24px 2px 0;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chips-wrap::after{content:"";position:absolute;right:0;top:0;bottom:0;width:28px;background:linear-gradient(90deg,transparent,var(--bg));pointer-events:none}
.chip{flex:none;min-height:44px;padding:0 15px;border-radius:999px;border:1px solid var(--line);background:var(--bg);font-size:15px;font-weight:550;display:flex;align-items:center;gap:6px;white-space:nowrap}
.chip:hover{background:var(--bg2)}
.chip[aria-pressed="true"]{background:var(--acc);border-color:var(--acc);color:var(--acc-ink)}
.chip .n{font-size:12px;opacity:.75;font-weight:600}
.chips-nav{display:none;position:absolute;top:2px;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:var(--bg);z-index:2;font-size:22px;line-height:1;place-items:center}
.chips-nav.l{left:0}.chips-nav.r{right:0}

.meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0 6px;color:var(--mute);font-size:14px;min-height:56px}
.switch{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;color:var(--ink);font-size:14px;font-weight:550}
.switch input{position:absolute;opacity:0;width:44px;height:44px;margin:0}
.track{position:relative;width:44px;height:26px;border-radius:999px;background:var(--bg3);transition:background .2s;flex:none}
.track::after{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .2s}
.switch input:checked+.track{background:var(--acc)}
.switch input:checked+.track::after{transform:translateX(18px)}
.switch input:focus-visible+.track{outline:3px solid var(--acc);outline-offset:2px}
.catlink{margin:0 0 10px;font-size:15px}
.catlink a{color:var(--acc);font-weight:600}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;outline:0}
.tile{position:relative;min-height:64px;padding:10px 8px;border-radius:var(--r);border:1px solid transparent;background:var(--bg2);display:flex;align-items:center;justify-content:center;text-align:center;font-size:19px;line-height:1.3;overflow-wrap:anywhere;transition:background .15s,transform .1s,border-color .15s}
.tile.m{font-size:16px}
.tile.l{font-size:14px}
.tile:hover{border-color:var(--line);background:var(--bg3)}
.tile:active{transform:scale(.97)}
.tile.hit{background:var(--acc-soft);border-color:var(--acc)}
.tile .heart{position:absolute;top:4px;right:7px;font-size:12px;color:var(--acc)}
.tile .bang{position:absolute;bottom:4px;right:6px;width:16px;height:16px;border-radius:50%;border:1px solid var(--warn);color:var(--warn);font-size:10px;line-height:14px;font-weight:700;opacity:.85}
.empty{grid-column:1/-1;padding:28px 12px;text-align:center;color:var(--mute)}
.empty strong{display:block;color:var(--ink);font-size:18px;margin-bottom:6px}
.empty .sugg{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}

.ad{display:flex;align-items:center;justify-content:center;min-height:250px;margin:16px 0;border:1px dashed var(--line);border-radius:var(--r);background:var(--bg2);color:var(--mute);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.ad-mid{grid-column:1/-1;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(--bg2)}

.how{padding:28px 0 8px}
.how h2,.prose h2,.related-wrap h2{font-size:22px;letter-spacing:-.02em;margin:0 0 12px}
.how ul{margin:0;padding-left:20px;color:var(--mute);max-width:64ch}
.how li{margin-bottom:8px}
.how strong{color:var(--ink)}

.prose{padding:24px 0 8px;max-width:66ch}
.prose h2:not(:first-child){margin-top:28px}
.prose p{margin:0 0 14px}
details{border-top:1px solid var(--line);padding:0}
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-wrap{padding:24px 0 8px}
.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 12px;border-radius:var(--r);background:var(--bg2);text-decoration:none;font-weight:550;font-size:15px}
.related a:hover{background:var(--bg3)}
.related .e{font-size:18px}

.foot{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;padding-top:28px;padding-bottom:28px;color:var(--mute);font-size:14px}
.foot nav{display:flex;flex-wrap:wrap;gap:4px 18px}
.foot a{text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
.foot a:hover{text-decoration:underline}

#toast{position:fixed;left:50%;bottom:calc(66px + env(safe-area-inset-bottom));transform:translate(-50%,16px);opacity:0;pointer-events:none;z-index:60;display:flex;align-items:center;gap:6px;max-width:calc(100% - 24px);background:var(--ink);color:var(--bg);border-radius:16px;padding:6px 6px 6px 18px;box-shadow:0 8px 28px rgba(0,0,0,.28);transition:opacity .18s,transform .18s}
#toast.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.toast-msg{font-weight:650;padding-right:6px;white-space:nowrap}
.toast-btn{min-height:44px;padding:0 12px;border-radius:12px;border:0;background:rgba(255,255,255,.14);color:inherit;font-size:14px;font-weight:600;white-space:nowrap}
:root[data-theme="dark"] .toast-btn{background:rgba(0,0,0,.12)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .toast-btn{background:rgba(0,0,0,.12)}}
.toast-btn:hover{filter:brightness(1.15)}

.scrim{position:fixed;inset:0;background:rgba(10,10,14,.5);z-index:70;opacity:0;transition:opacity .2s}
.scrim.show{opacity:1}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:80;max-height:88vh;overflow:auto;background:var(--bg);border-radius:22px 22px 0 0;padding:14px 18px calc(22px + env(safe-area-inset-bottom));transform:translateY(100%);transition:transform .24s cubic-bezier(.2,.8,.2,1);box-shadow:0 -10px 40px rgba(0,0,0,.2)}
.sheet.show{transform:none}
.sheet .grab{width:40px;height:4px;border-radius:2px;background:var(--bg3);margin:0 auto 10px}
.sh-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.sh-face{font-size:34px;line-height:1.2;margin:6px 0 2px;overflow-wrap:anywhere;font-weight:500}
.sh-mean{margin:0;color:var(--mute)}
.sh-x{width:44px;height:44px;border-radius:12px;border:0;background:var(--bg2);font-size:20px;flex:none}
.sh-sec{margin-top:18px}
.sh-sec h3{margin:0 0 8px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);font-weight:650}
.plat{display:flex;flex-wrap:wrap;gap:8px}
.pl{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;font-size:14px;font-weight:600}
.pl.ok{background:var(--ok-soft);color:var(--ok)}
.pl.no{background:var(--no-soft);color:var(--no)}
.sh-note{margin:10px 0 0;font-size:14px;color:var(--mute)}
.sh-warn{margin:10px 0 0;font-size:14px;background:var(--warn-soft);color:var(--warn);padding:10px 12px;border-radius:10px}
.fit{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.fit div{background:var(--bg2);border-radius:10px;padding:8px 12px;font-size:14px;color:var(--mute)}
.fit b{display:block;color:var(--ink);font-size:16px}
.fit .over b{color:var(--no)}
.sh-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.btn{min-height:48px;padding:0 20px;border-radius:14px;border:1px solid var(--line);background:var(--bg);font-weight:650;font-size:16px}
.btn.primary{background:var(--acc);border-color:var(--acc);color:var(--acc-ink);flex:1 1 140px}
.btn:hover{filter:brightness(.97)}
.btn.primary:hover{filter:brightness(1.06)}

@media (min-width:768px){
  :root{--pad:24px}
  body{padding-bottom:0}
  .ad{min-height:90px}
  .ad-anchor{display:none}
  .chips{padding-right:60px;padding-left:0}
  .chips-nav{display:grid}
  .chips-nav.l{display:none}
  .chips-wrap.scrolled .chips-nav.l{display:grid}
  .chips{scroll-behavior:smooth}
  .grid{grid-template-columns:repeat(auto-fill,minmax(172px,1fr));gap:10px}
  .tile{min-height:72px;font-size:20px}
  .tile.m{font-size:17px}.tile.l{font-size:15px}
  .related{grid-template-columns:repeat(4,1fr)}
  #toast{bottom:28px}
  .sheet{left:50%;right:auto;bottom:auto;top:50%;width:min(460px,calc(100% - 32px));border-radius:22px;transform:translate(-50%,-44%);opacity:0;transition:transform .22s,opacity .2s;padding-bottom:22px}
  .sheet.show{transform:translate(-50%,-50%);opacity:1}
  .sheet .grab{display:none}
}
@media (min-width:1100px){
  .grid{grid-template-columns:repeat(6,1fr)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}