:root{--tool-line:var(--line,color-mix(in srgb, var(--ink) 16%, transparent));--tool-mono:var(--mono,ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace)}.tool{border:1px solid var(--tool-line);background:var(--panel,transparent);margin:2rem 0 2.4rem;padding:1.2rem 1.2rem 1.4rem}.tool-head h2{margin:0 0 .4rem;font-size:clamp(1.05rem,2vw,1.3rem)}.tool-head p{color:var(--muted);margin:0 0 1rem;font-size:.86rem;line-height:1.7}.tool-calc{border-top:1px solid var(--tool-line);grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:1rem 1.6rem;padding:.9rem 0 1.1rem;display:grid}.tool-fields{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.8rem;display:grid}.tool-field{color:var(--muted);gap:.3rem;font-size:.78rem;display:grid}.tool-input{align-items:baseline;gap:.35rem;display:flex}.tool-input input{border:1px solid var(--tool-line);width:100%;min-width:0;color:var(--ink);font:inherit;font-family:var(--tool-mono);font-variant-numeric:tabular-nums;background:0 0;padding:.4rem .5rem;font-size:.95rem}.tool-input input:focus{outline:2px solid var(--accent);outline-offset:1px}.tool-input em{color:var(--muted);font-size:.75rem;font-style:normal}.tool-out{justify-items:end;line-height:1;display:grid}.tool-out-v{font-family:var(--tool-mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-size:clamp(2rem,4.5vw,2.8rem)}.tool-out-u{color:var(--muted);margin-top:.3rem;font-size:.75rem}.tool-outlabel{color:var(--muted);text-align:right;grid-column:2;margin:.35rem 0 0;font-size:.72rem}.tool-table{border-collapse:collapse;width:100%;font-size:.88rem}.tool-table caption{letter-spacing:.1em;color:var(--muted);text-align:left;padding-bottom:.5rem;font-size:.72rem}.tool-table th{border-bottom:1px solid var(--ink);letter-spacing:.06em;color:var(--muted);text-align:left;padding:.45rem .6rem .45rem 0;font-size:.72rem;font-weight:500}.tool-table td{border-bottom:1px solid var(--tool-line);vertical-align:top;padding:.6rem .6rem .6rem 0}.tool-table .tool-num,.tool-num{font-family:var(--tool-mono);font-variant-numeric:tabular-nums;text-align:right}.tool-out-cell{font-family:var(--tool-mono);font-variant-numeric:tabular-nums;font-weight:600}.tool-bar{border-top:1px solid var(--tool-line);border-bottom:1px solid var(--tool-line);justify-content:space-between;align-items:center;gap:1rem;padding:.8rem 0;display:flex}.tool-search{color:var(--muted);align-items:center;gap:.6rem;font-size:.78rem;display:flex}.tool-search input{border:1px solid var(--tool-line);width:min(52vw,240px);color:var(--ink);font:inherit;background:0 0;padding:.4rem .55rem}.tool-search input:focus{outline:2px solid var(--accent);outline-offset:1px}.tool-count{font-family:var(--tool-mono);color:var(--muted);margin:0;font-size:.78rem}@media (width<=700px){.tool-calc{grid-template-columns:1fr}.tool-out{justify-items:start}.tool-outlabel{text-align:left;grid-column:1}.tool-table [data-hide=mobile]{display:none}.tool-bar{flex-wrap:wrap}.tool-search input{width:100%}}.eng-kicker,.eng-toc-h,.eng-st-no,.eng-b-h,.eng-hc-meta{font:600 .7rem/1.4 var(--mono,ui-monospace, SFMono-Regular, Menlo, monospace);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0}.eng-lead{color:var(--muted);max-width:46ch;margin:0;font-size:clamp(1rem,1.5vw,1.08rem);line-height:1.95}.eng-hero-split{padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(1.5rem,3vw,2.2rem)}.eng-hs-grid{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);align-items:start;gap:clamp(1.6rem,4vw,3.4rem);display:grid}.eng-hs-main{align-content:start;gap:1.1rem;display:grid}.eng-hs-main h1{letter-spacing:-.02em;margin:0;font-size:clamp(1.9rem,4.4vw,3.15rem);line-height:1.18}.eng-hs-facts{border-top:1px solid var(--line,#00000029);gap:0;margin:0;display:grid}.eng-hs-facts>div{border-bottom:1px solid var(--line,#00000029);gap:.15rem;padding:.7rem 0;display:grid}.eng-hs-facts dt{letter-spacing:.08em;color:var(--muted);font-size:.72rem}.eng-hs-facts dd{margin:0;font-size:.95rem;font-weight:600;line-height:1.5}.eng-hero-center{text-align:center;padding:clamp(3rem,8vw,6rem) 0 clamp(2rem,4vw,3rem)}.eng-hc-inner{justify-items:center;gap:1.1rem;display:grid}.eng-hc-inner h1{letter-spacing:-.02em;max-width:22ch;margin:0;font-size:clamp(1.85rem,4.6vw,3.2rem);line-height:1.16}.eng-hc-inner .eng-lead{max-width:40ch}.eng-hc-meta{color:var(--muted)}.eng-hero-band{background:var(--ink);color:var(--ground);margin-bottom:clamp(1.6rem,3vw,2.4rem);padding:clamp(2.6rem,6vw,4.6rem) 0}.eng-hb-inner{gap:1.1rem;display:grid}.eng-hero-band .eng-kicker{color:color-mix(in srgb, var(--ground) 62%, transparent)}.eng-hero-band h1{letter-spacing:-.02em;max-width:24ch;margin:0;font-size:clamp(1.9rem,4.6vw,3.3rem);line-height:1.14}.eng-hero-band .eng-lead{color:color-mix(in srgb, var(--ground) 76%, transparent)}.eng-hb-facts{flex-wrap:wrap;gap:.4rem 1.6rem;margin:.4rem 0 0;padding:0;font-size:.86rem;list-style:none;display:flex}.eng-hb-facts li{align-items:baseline;gap:.45rem;min-width:0;display:flex}.eng-hb-facts span{color:color-mix(in srgb, var(--ground) 58%, transparent);letter-spacing:.08em;white-space:nowrap;font-size:.72rem}.eng-flow{grid-template-columns:minmax(0,1fr);gap:clamp(1.6rem,4vw,3rem);padding-bottom:clamp(1.6rem,4vw,2.6rem);display:grid}.eng-flow-toc{grid-template-columns:minmax(0,1fr) 15rem}.eng-flow-main{align-content:start;gap:clamp(1.4rem,3vw,2.2rem);display:grid}.eng-toc{align-self:start;gap:.5rem;display:grid;position:sticky;top:5.5rem}.eng-toc ol{gap:.4rem;margin:0;padding:0;font-size:.86rem;list-style:none;display:grid}.eng-toc a{color:var(--muted);border-bottom:1px solid #0000;text-decoration:none}.eng-toc a:hover{color:var(--accent);border-bottom-color:var(--accent)}.eng-toc-inline{border-top:1px solid var(--line,#00000029);border-bottom:1px solid var(--line,#00000029);flex-wrap:wrap;gap:.4rem 1.1rem;padding:.9rem 0;font-size:.82rem;display:flex}.eng-toc-inline a{color:var(--muted);text-decoration:none}.eng-toc-inline a:hover{color:var(--accent)}.eng-b{margin:0}.eng-b-h{justify-content:space-between;gap:1rem;margin-bottom:.7rem;display:flex}.eng-kpi-row{border-top:1px solid var(--line,#00000029);grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));display:grid}.eng-kpi{border-bottom:1px solid var(--line,#00000029);border-right:1px solid var(--line,#00000029);align-content:start;gap:.3rem;padding:.9rem 1rem 1rem 0;display:grid}.eng-kpi:last-child{border-right:0}.eng-kpi-k{letter-spacing:.06em;color:var(--muted);font-size:.7rem}.eng-kpi b{overflow-wrap:anywhere;font-size:clamp(.95rem,1.5vw,1.15rem);line-height:1.45}.eng-kpi-stack{gap:0;margin:0;display:grid}.eng-kpi-stack>div{border-bottom:1px solid var(--line,#00000029);grid-template-columns:8rem minmax(0,1fr);gap:1rem;padding:.55rem 0;display:grid}.eng-kpi-stack dt{letter-spacing:.06em;color:var(--muted);font-size:.72rem}.eng-kpi-stack dd{margin:0;font-size:.92rem}.eng-idx-table ol{border-top:1px solid var(--line,#00000029);margin:0;padding:0;list-style:none}.eng-idx-table li a{border-bottom:1px solid var(--line,#00000029);color:var(--ink);grid-template-columns:3rem minmax(0,14rem) minmax(0,1fr) 4.5rem;align-items:baseline;gap:1rem;padding:.75rem 0;text-decoration:none;display:grid}.eng-it-no{font-family:var(--mono,monospace);color:var(--accent);font-size:.72rem}.eng-it-title{font-weight:600}.eng-it-lead{color:var(--muted);font-size:.86rem;line-height:1.7}.eng-it-n{font-family:var(--mono,monospace);color:var(--muted);text-align:right;font-size:.72rem}.eng-idx-grid{border-top:1px solid var(--line,#00000029);grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:0;display:grid}.eng-idx-grid a{border-bottom:1px solid var(--line,#00000029);border-right:1px solid var(--line,#00000029);color:var(--ink);gap:.35rem;padding:1rem 1.2rem 1.2rem 0;text-decoration:none;display:grid}.eng-idx-grid a:nth-child(2n){border-right:0;padding-left:1.2rem}.eng-ig-no{font-family:var(--mono,monospace);color:var(--accent);font-size:.7rem}.eng-idx-grid b{font-size:1rem}.eng-idx-grid span:last-child{color:var(--muted);font-size:.85rem;line-height:1.7}.eng-idx-list{margin:0;padding:0;list-style:none}.eng-idx-list li{border-bottom:1px solid var(--line,#00000029)}.eng-idx-list a{color:var(--ink);align-items:baseline;gap:.6rem;padding:.7rem 0;font-size:.94rem;text-decoration:none;display:flex}.eng-il-dots{border-bottom:1px dotted var(--line,#0000004d);flex:1;transform:translateY(-.2em)}.eng-il-n{font-family:var(--mono,monospace);color:var(--muted);font-size:.72rem}.eng-idx-cards{grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1rem;display:grid}.eng-idx-cards a{background:var(--panel,#0000000a);border-radius:var(--eng-radius,0);color:var(--ink);gap:.4rem;padding:1.1rem;text-decoration:none;display:grid}.eng-ic-no{font-family:var(--mono,monospace);color:var(--accent);font-size:.7rem}.eng-idx-cards b{font-size:1rem}.eng-idx-cards span:last-child{color:var(--muted);font-size:.85rem;line-height:1.7}.eng-steps{counter-reset:st;gap:0;margin:0;padding:0;list-style:none;display:grid}.eng-steps li{border-top:1px solid var(--line,#00000029);grid-template-columns:6rem minmax(0,1fr) auto;gap:.35rem 1.2rem;padding:1rem 0;display:grid}.eng-steps b{grid-column:2;font-size:1rem}.eng-steps span{color:var(--muted);grid-column:2;font-size:.86rem;line-height:1.7}.eng-steps a{color:var(--accent);grid-area:1/3/span 3;align-self:center;font-size:.8rem;text-decoration:none}.eng-facts-dl{grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:0 2rem;margin:0;display:grid}.eng-facts-dl>div{border-bottom:1px solid var(--line,#00000029);padding:.6rem 0}.eng-facts-dl dt{letter-spacing:.06em;color:var(--muted);font-size:.72rem}.eng-facts-dl dd{margin:.15rem 0 0;font-size:.92rem}.eng-facts-chips{flex-wrap:wrap;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.eng-facts-chips li{border:1px solid var(--line,#00000029);border-radius:var(--eng-radius,0);align-items:baseline;gap:.45rem;padding:.4rem .7rem;font-size:.84rem;display:flex}.eng-facts-chips span{letter-spacing:.06em;color:var(--muted);font-size:.68rem}.eng-board{border:1px solid var(--ink);grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:0;display:grid}.eng-board a{border-right:1px solid var(--line,#00000029);border-bottom:1px solid var(--line,#00000029);color:var(--ink);gap:.35rem;padding:1rem 1.1rem 1.2rem;text-decoration:none;display:grid}.eng-bd-no{font-family:var(--mono,monospace);color:var(--accent);font-size:.7rem}.eng-board b{font-size:.98rem}.eng-board span:last-child{color:var(--muted);font-size:.84rem;line-height:1.7}.eng-quote{border-left:3px solid var(--accent);margin:0;padding:1.4rem 0 1.4rem 1.4rem}.eng-quote p{margin:0;font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.85}.eng-sec{border-top:1px solid var(--line,#00000029);padding:clamp(1.4rem,3vw,2.2rem) 0}.eng-sec h2{align-items:baseline;gap:.8rem;margin:0 0 .9rem;font-size:clamp(1.1rem,2vw,1.35rem);display:flex}.eng-sec-no{font-family:var(--mono,monospace);color:var(--accent);letter-spacing:.08em;font-size:.72rem}.eng-sec-body{max-width:72ch}.eng-art{padding-bottom:clamp(2.5rem,6vw,4.5rem)}.eng-art-head{gap:.9rem;padding:clamp(1.6rem,4vw,2.8rem) 0 clamp(1.2rem,3vw,1.8rem);display:grid}.eng-art-head h1{letter-spacing:-.02em;margin:0;font-size:clamp(1.7rem,3.8vw,2.6rem);line-height:1.2}.eng-art-body{max-width:74ch}.eng-art-rail{grid-template-columns:15rem minmax(0,1fr);align-items:start;gap:clamp(1.6rem,4vw,3rem);display:grid}.eng-art-rail .eng-art-body{max-width:none}.eng-art-numbered .prose section{grid-template-columns:4rem minmax(0,1fr);gap:1rem;display:grid}.eng-art-numbered .prose h2,.eng-art-numbered .prose section>:not(h2){grid-column:2}.eng-cards{gap:1rem;display:grid}.eng-cards section{border:1px solid var(--line,#00000029);border-radius:var(--eng-radius,0);padding:1.2rem 1.3rem}.eng-cards h2{margin-top:0}.eng-next{border-top:1px solid var(--line,#00000029);margin-top:clamp(1.6rem,4vw,2.4rem);padding-top:1rem}.eng-next ul{gap:.4rem;margin:.6rem 0 0;padding:0;list-style:none;display:grid}.eng-next a{color:var(--muted);font-size:.9rem;text-decoration:none}.eng-next a:hover{color:var(--accent)}@media (width<=900px){.eng-hs-grid,.eng-flow-toc{grid-template-columns:minmax(0,1fr)}.eng-toc{order:2;position:static}.eng-art-rail{grid-template-columns:minmax(0,1fr)}.eng-art-rail .eng-toc{order:2}.eng-idx-table li a{grid-template-columns:2.2rem minmax(0,1fr)}.eng-it-lead,.eng-it-n{grid-column:2}.eng-it-n{text-align:left}.eng-kpi-stack>div{grid-template-columns:minmax(0,1fr);gap:.15rem}.eng-steps li{grid-template-columns:5rem minmax(0,1fr)}.eng-steps a{grid-area:auto/2}.eng-art-numbered .prose section{grid-template-columns:minmax(0,1fr)}.eng-art-numbered .prose h2,.eng-art-numbered .prose section>:not(h2){grid-column:1}}:root{--ground:#f7f7f4;--panel:#fff;--panel-2:#eef0f1;--ink:#15161a;--muted:#5f636b;--accent:#e0437a;--accent-fill:#2f9fd0;--on-accent:#101319;--line:#15161a29;--maxw:70rem;--font:"Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, -apple-system, "Segoe UI", sans-serif}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--ground);color:var(--ink);font-family:var(--font);text-rendering:optimizelegibility;margin:0;font-size:1.0625rem;line-height:1.85}::selection{background:var(--accent);color:var(--ink)}a{color:inherit}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.wrap{width:min(100% - 2.5rem, var(--maxw));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{z-index:20;background:var(--ink);color:var(--ground);padding:.5rem .9rem;top:1rem;left:1rem}.masthead{padding-block:1.1rem}.masthead-inner{align-items:center;gap:1.5rem;display:flex}.wordmark{align-items:center;gap:.6rem;min-width:0;margin-right:auto;text-decoration:none;display:inline-flex}.wordmark-mark{background:var(--accent-fill);color:var(--on-accent);letter-spacing:.04em;padding:.15rem .4rem;font-size:.8125rem;font-weight:800}.wordmark-text{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.9375rem;font-weight:700;overflow:hidden}.nav{gap:1.4rem;font-size:.9375rem;font-weight:600;display:flex}.nav a{color:var(--muted);padding-block:.25rem;text-decoration:none}.nav a:hover,.nav a[aria-current=page]{color:var(--ink)}.nav a{border-bottom:3px solid #0000}.nav a[aria-current=page]{border-bottom-color:var(--accent)}.lang{flex:none;position:relative}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.lang:after{content:"▾";pointer-events:none;color:var(--muted);font-size:.75rem;position:absolute;top:50%;right:.65rem;transform:translateY(-50%)}.lang select{-webkit-appearance:none;appearance:none;background:var(--panel);color:var(--muted);border:2px solid var(--panel);cursor:pointer;padding:.4rem 2rem .4rem .75rem;font-family:inherit;font-size:.9375rem;font-weight:600}.lang select:hover,.lang select:focus-visible{color:var(--ink);border-color:var(--accent)}.hero{padding-block:clamp(3.5rem,9vw,7.5rem)}.hero h1{letter-spacing:-.035em;max-width:26ch;margin:0;font-size:clamp(2rem,6.4vw,4.9rem);font-weight:800;line-height:1.04}.hero-lead{max-width:44ch;color:var(--muted);margin:1.75rem 0 0;font-size:clamp(1.0625rem,1.5vw,1.25rem);line-height:1.75}.play{background:var(--accent-fill);color:var(--on-accent);align-items:center;gap:.7rem;margin-top:2.5rem;padding:1rem 1.6rem;font-size:1.0625rem;font-weight:800;text-decoration:none;transition:background-color .15s,color .15s;display:inline-flex}.play:hover{background:var(--ink);color:var(--ground)}.band{padding-block:clamp(2.75rem,6vw,5rem)}.band:nth-of-type(2n){background:var(--panel-2)}.band-title{letter-spacing:-.02em;margin:0 0 2rem;font-size:clamp(1.375rem,2.2vw,1.75rem);font-weight:800}.facts{grid-template-columns:repeat(3,1fr);margin:0;display:grid}.fact{background:var(--panel);padding:1.4rem 1.5rem}.fact:nth-child(2n){background:var(--panel-2)}.fact dt{color:var(--accent);margin-bottom:.2rem;font-size:.8125rem;font-weight:700}.fact dd{margin:0;font-size:.9375rem;line-height:1.7}.pagelinks{margin:0;padding:0;list-style:none}.pagelinks li+li{margin-top:2px}.pagelinks a{background:var(--panel);padding:1.6rem 1.5rem;text-decoration:none;transition:background-color .15s,color .15s;display:block}.pagelinks a:hover{background:var(--accent-fill);color:var(--on-accent)}.pagelinks li:nth-child(2n) a{background:var(--panel-2)}.pagelinks li:nth-child(2n) a:hover{background:var(--accent-fill)}.pagelink-title{letter-spacing:-.02em;font-size:clamp(1.25rem,2.2vw,1.6rem);font-weight:800;display:block}.pagelink-lead{color:var(--muted);max-width:60ch;margin-top:.35rem;font-size:.9375rem;line-height:1.7;display:block}.pagelinks a:hover .pagelink-lead{color:var(--on-accent)}.pagelinks.compact a{padding:.9rem 1.1rem}.pagelinks.compact .pagelink-title{font-size:1rem}.article{padding-block:clamp(2rem,5vw,4rem) clamp(3rem,7vw,6rem)}.crumbs{color:var(--muted);flex-wrap:wrap;gap:.5rem;font-size:.875rem;display:flex}.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--ink)}.article-head{margin-block:1.5rem clamp(2rem,5vw,3.5rem)}.article-head h1{letter-spacing:-.03em;max-width:22ch;margin:0;font-size:clamp(2.1rem,5vw,3.6rem);font-weight:800;line-height:1.1}.article-lead{max-width:46ch;color:var(--muted);margin:1.25rem 0 0;font-size:1.0625rem}.prose{max-width:68ch}.prose h2{letter-spacing:-.02em;border-left:4px solid var(--accent);margin:clamp(2.5rem,5vw,3.5rem) 0 1rem;padding-left:.9rem;font-size:clamp(1.375rem,2.4vw,1.75rem);font-weight:800;line-height:1.3}.prose>section:first-child>h2{margin-top:0}.prose p{margin:0 0 1.1rem}.prose p:last-child{margin-bottom:0}.bullets{margin:0 0 1.25rem;padding:0;list-style:none}.bullets li{margin-bottom:.55rem;padding-left:1.35rem;position:relative}.bullets li:before{content:"";background:var(--accent);width:.5rem;height:.5rem;position:absolute;top:.72em;left:0}.kv{margin:0 0 1.25rem}.kv-row{grid-template-columns:minmax(8rem,15rem) 1fr;gap:.35rem 1.5rem;padding:.85rem 1rem;display:grid}.kv-row:nth-child(odd){background:var(--panel)}.kv dt{color:var(--ink);font-size:.9375rem;font-weight:700}.kv dd{color:var(--muted);margin:0;font-size:.9375rem;line-height:1.7}.related{margin-top:clamp(3rem,6vw,4.5rem);padding-top:clamp(2rem,4vw,3rem)}.related h2{letter-spacing:-.01em;margin:0 0 1.25rem;font-size:1.125rem;font-weight:800}.footer{background:var(--panel-2);padding-block:clamp(3rem,6vw,5rem) 2.5rem}.footer-name{letter-spacing:-.03em;max-width:18ch;margin:0 0 1.5rem;font-size:clamp(1.75rem,5vw,3rem);font-weight:800;line-height:1.1}.footer-nav{flex-wrap:wrap;gap:1.25rem;margin-bottom:2rem;font-size:.9375rem;display:flex}.footer-nav a{color:var(--muted);text-decoration:none}.footer-nav a:hover{color:var(--ink)}.footer-note{color:var(--muted);max-width:70ch;margin:.25rem 0;font-size:.8125rem}@media (width<=62rem){.masthead-inner{flex-wrap:wrap;gap:.75rem 1rem}.nav{scrollbar-width:none;flex-wrap:nowrap;order:3;gap:1rem;width:100%;padding-bottom:.25rem;overflow-x:auto}.nav::-webkit-scrollbar{display:none}.nav a{white-space:nowrap}.facts{grid-template-columns:repeat(2,1fr)}}@media (width<=40rem){body{font-size:1rem}.facts{grid-template-columns:1fr}.kv-row{grid-template-columns:1fr;gap:.15rem}.pagelinks a{padding:1.25rem 1.1rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media (width>=48rem){.hero h1,.article-head h1{word-break:keep-all}}@keyframes rise{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}.hero h1{animation:.7s cubic-bezier(.2,.7,.2,1) both rise}.hero-lead{animation:.7s cubic-bezier(.2,.7,.2,1) 90ms both rise}.play{animation:.7s cubic-bezier(.2,.7,.2,1) .18s both rise}.js [data-reveal]{opacity:0;transition:opacity .55s,transform .55s cubic-bezier(.2,.7,.2,1);transform:translateY(24px)}.js [data-reveal].in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.hero h1,.hero-lead,.play{animation:none}.js [data-reveal]{opacity:1;transition:none;transform:none}}.hero-sub{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:start;gap:clamp(2rem,5vw,4rem);margin-top:clamp(1.75rem,3vw,2.5rem);display:grid}.hero-art{justify-self:end;width:100%;max-width:400px}.trainer{background:var(--panel);margin-top:clamp(3rem,6vw,4.5rem);padding-block:clamp(2rem,4vw,3rem)}.trainer-inner{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2rem;display:grid}.trainer h2{letter-spacing:-.02em;margin:0 0 .5rem;font-size:clamp(1.25rem,2vw,1.5rem);font-weight:800}.trainer-hint{max-width:40ch;color:var(--muted);margin:0;font-size:.9375rem;line-height:1.7}.trainer-out{color:var(--accent);min-height:1.6em;margin:1.25rem 0 0;font-size:1.125rem;font-weight:700}.keygrid{grid-template-columns:repeat(3,5.5rem);grid-auto-rows:4.1rem;gap:.5rem;display:grid}.key{background:var(--ground);border:2px solid var(--line);color:var(--ink);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:.1rem;font-family:inherit;transition:border-color .12s,color .12s,transform .12s;display:flex}.key:hover{border-color:var(--ink)}.key.is-down{border-color:var(--accent);color:var(--accent);transform:translateY(2px)}.key-cap{font-size:1.375rem;font-weight:800;line-height:1}.key-label{color:var(--muted);text-align:center;padding-inline:.2rem;font-size:.625rem;line-height:1.2}.key.is-down .key-label{color:var(--accent)}.key[data-key=W]{grid-area:1/2}.key[data-key=A]{grid-area:2/1}.key[data-key=S]{grid-area:2/2}.key[data-key=D]{grid-area:2/3}.key[data-key=J]{grid-area:3/1}.key[data-key=K]{grid-area:3/2}.combo-strip{flex-wrap:wrap;align-items:center;gap:.7rem;margin-top:1.75rem;display:flex}.combo-key{background:var(--panel);border:2px solid var(--accent);color:var(--ink);text-align:center;min-width:3rem;padding:.55rem .9rem;font-size:1.125rem;font-weight:800}.combo-arrow{color:var(--muted)}@media (width<=62rem){.hero-sub{grid-template-columns:1fr}.hero-art{justify-self:start;max-width:260px}.trainer-inner{grid-template-columns:1fr}.keygrid{grid-template-columns:repeat(3,minmax(0,1fr));max-width:22rem}}.shot-band{text-align:center}.shot{width:100%;max-width:720px;height:auto;margin-inline:auto;display:block}.credit{color:var(--muted);margin:.85rem 0 0;font-size:.75rem}.credit a{color:var(--muted);text-decoration:none}.credit a:hover{color:var(--ink)}.page-meta{color:var(--muted);margin:.9rem 0 0;font-size:.8125rem}.steps{grid-template-columns:repeat(3,1fr);margin:0;padding:0;list-style:none;display:grid}.steps li+li{margin-top:0}.steps a{background:var(--panel);height:100%;padding:1.75rem 1.5rem;text-decoration:none;transition:background-color .15s,color .15s;display:block}.steps li:nth-child(2n) a{background:var(--panel-2)}.steps a:hover{background:var(--accent-fill);color:var(--on-accent)}.step-title{letter-spacing:-.02em;font-size:clamp(1.125rem,1.8vw,1.375rem);font-weight:800;display:block}.step-body{color:var(--muted);max-width:34ch;margin-top:.5rem;font-size:.9375rem;line-height:1.7;display:block}.steps a:hover .step-body{color:var(--on-accent)}.filter{flex-wrap:wrap;align-items:center;gap:1rem;margin-bottom:2.5rem;display:flex}.filter input{background:var(--panel);border:2px solid var(--line);max-width:32rem;color:var(--ink);appearance:none;flex:18rem;padding:.75rem 1rem;font-family:inherit;font-size:1rem}.filter input::placeholder{color:var(--muted)}.filter input:focus{border-color:var(--accent);outline:none}.filter-count{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.875rem}@media (width<=62rem){.steps{grid-template-columns:1fr}.steps li+li{margin-top:2px}}.hero-figure{justify-self:end;max-width:560px;margin:0}.hero-shot{width:100%;height:auto;display:block}.hero-figure .credit{text-align:right}.linklist{margin:0 0 1.25rem;padding:0;list-style:none}.linklist li+li{margin-top:2px}.linklist a{background:var(--panel);padding:.95rem 1.1rem;text-decoration:none;display:block}.linklist li:nth-child(2n) a{background:var(--panel-2)}.linklist a:hover{background:var(--accent-fill);color:var(--on-accent)}.link-label{font-weight:700}.link-tag{vertical-align:middle;border:1px solid;margin-left:.6rem;padding:0 .35rem;font-size:.6875rem;display:inline-block}.link-note{color:var(--muted);margin-top:.2rem;font-size:.875rem;line-height:1.7;display:block}.linklist a:hover .link-note{color:var(--on-accent)}.official-link{color:var(--muted);text-underline-offset:3px;margin-top:1rem;font-size:.875rem;text-decoration:underline;display:block}.official-link:hover{color:var(--ink)}.tablewrap{background:var(--panel);border:1px solid var(--line);margin:1.1rem 0;padding:.15rem .95rem;overflow-x:auto}.datatable{border-collapse:collapse;width:100%;font-size:.9rem;line-height:1.7}.datatable caption{caption-side:top;letter-spacing:.05em;color:var(--muted);text-align:left;padding:.85rem 0 .15rem;font-size:.76rem}.datatable th,.datatable td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:.62rem .95rem}.datatable thead th{letter-spacing:.07em;color:var(--muted);background:var(--panel-2);white-space:nowrap;font-size:.74rem;font-weight:600}.datatable tbody tr:last-child td{border-bottom:0}.datatable tbody th{font-weight:600}.eng-hs-main h1,.eng-art-head h1,.eng-hero-band h1,.article-head h1{text-wrap:balance;word-break:auto-phrase}@media (width<=62rem){.nav{scrollbar-width:none;flex-wrap:nowrap;overflow-x:auto}.nav::-webkit-scrollbar{display:none}}