@font-face{font-family:"Staatliches";src:url(assets/fonts/Staatliches-Regular.ttf) format("truetype");font-weight:400;font-display:swap}@font-face{font-family:"Stack Sans Text";src:url(assets/fonts/StackSansText-VariableFont_wght.ttf) format("truetype");font-weight:200 700;font-display:swap}:root{--font-title:"Staatliches","PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;--font-body:"Stack Sans Text",-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;--tracking:-.04em;--yellow:#FFE500;--paper:#f7f6f2;--ink:#24251f;--muted:#66675e;--line:#dedfd7;--white:#fffefa;--focus:#5144b7;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--font-body);letter-spacing:var(--tracking);-webkit-font-smoothing:antialiased}
::selection{background:var(--yellow);color:var(--ink)}a{color:inherit;text-decoration:none;text-underline-offset:.22em}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:3px}img{display:block;max-width:100%}
.wrap{width:min(1240px,calc(100% - 80px));margin-inline:auto}.preview{display:flex;justify-content:center;gap:12px;align-items:center;min-height:34px;padding:6px 20px;background:#ecebe5;border-bottom:1px solid var(--line);font-size:12px;line-height:1.4;letter-spacing:.04em}.preview span{color:#56584f}
.nav{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:104px;border-bottom:1px solid var(--line)}.logo{display:inline-flex;align-items:center;line-height:0;white-space:nowrap}.logo img{height:50px;width:auto}.nav nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:650}.nav nav a:hover,.nav nav a[aria-current=page]{color:#746500}.nav .button{white-space:nowrap}
.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;padding:13px 22px;border:1px solid var(--ink);border-radius:8px;background:var(--ink);color:var(--white);font-weight:700;line-height:1.2;text-align:center;transition:transform .2s,background .2s}.button:hover:not(:disabled){transform:translateY(-2px);background:#3a3b31}.button.secondary{background:transparent;color:var(--ink)}.button.secondary:hover:not(:disabled){background:#eeeae0}.button.small{min-height:44px;padding:10px 16px;font-size:13px}
.micro{font-size:12px;line-height:1.6;color:var(--muted)}.muted{color:var(--muted)}.eyebrow{margin:0 0 14px;font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--font-title);font-synthesis-weight:none;line-height:1.16;letter-spacing:var(--tracking)}h1{font-size:clamp(48px,6.2vw,88px);font-weight:800}h2{font-size:clamp(31px,3.8vw,54px);font-weight:770}h3{font-size:22px;font-weight:750}p{max-width:72ch}.intro{font-size:clamp(18px,1.8vw,23px);line-height:1.5}.text-link{display:inline-block;border-bottom:1px solid currentColor;font-weight:700;padding-bottom:2px}.text-link:hover{color:#756700}.card-top{display:flex;justify-content:space-between;gap:12px;font-size:11px;font-weight:800;letter-spacing:.13em}
.subhero{padding:80px 0 56px}.subhero h1{max-width:13ch;margin-bottom:25px}.subhero .intro{max-width:36ch;color:#4f5148}.subhero .eyebrow{margin-bottom:28px}.subhero-mark{display:inline-block;width:14px;height:14px;margin-left:8px;background:var(--yellow);border-radius:50%;vertical-align:baseline}
footer{border-top:1px solid var(--line);padding-block:35px 28px;font-size:13px;color:var(--muted)}footer .logo img{height:38px}footer p{margin:0;line-height:1.6}.footer-main{display:flex;align-items:center;justify-content:space-between;gap:28px}.footer-brand{display:flex;align-items:center;gap:28px}.footer-brand p{color:var(--ink)}.footer-brand p span{color:var(--muted)}.footer-links{display:flex;gap:20px}footer a:hover{text-decoration:underline}footer a.logo:hover{text-decoration:none}.footer-legal{margin-top:24px;font-size:12px}
input,select,textarea{width:100%;min-height:50px;padding:12px 14px;border:1px solid #b8bab0;border-radius:8px;background:var(--white);color:var(--ink)}input::placeholder{color:#6b6d62}label{display:block;font-size:13px;font-weight:720}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m3 6 5 5 5-5' fill='none' stroke='%2324251f' stroke-width='1.5'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:42px}.status{min-height:1.5em;margin:12px 0 0;font-size:13px;font-weight:650}.status:empty{display:none}
[data-spotlight]{position:relative;isolation:isolate}[data-spotlight]::before{content:"";position:absolute;inset:0;z-index:1;border-radius:inherit;pointer-events:none;background:radial-gradient(360px circle at var(--spot-x,50%) var(--spot-y,50%),rgba(255,255,255,.5),transparent 70%);opacity:var(--spot-opacity,0);transition:opacity .3s}@media(hover:none){[data-spotlight]::before{display:none}}
.download-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,.85fr);gap:clamp(40px,6vw,92px);padding-bottom:100px}.download-main{min-width:0}.download-primary{overflow:hidden;padding:clamp(28px,4vw,54px);background:var(--yellow);border-radius:14px}.download-primary .card-top{margin-bottom:52px}.download-primary h2{max-width:14ch;margin-bottom:18px;font-size:clamp(32px,4vw,50px)}.download-primary p{max-width:45ch}.download-primary .download-button{width:100%;justify-content:space-between;margin-top:30px}.download-primary .micro{margin:15px 0 0;color:#454334}.download-details{display:flex;flex-wrap:wrap;gap:8px 18px;margin:28px 0 0;font-size:13px}.download-details span:before{content:"";display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;background:var(--ink)}
.other-downloads{padding-top:58px}.other-downloads h2{font-size:clamp(28px,3vw,39px);margin-bottom:12px}.other-downloads>p{margin-bottom:25px}.os-field{max-width:440px}.os-field label{margin-bottom:8px}.version-list{margin-top:28px;border-top:1px solid var(--line)}.version-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--line)}.version-row h3{font-size:18px;margin:0 0 2px}.version-row span{font-size:12px;color:var(--muted)}.version-row button{flex:none;padding:9px 13px;border:1px solid #afb0a5;border-radius:7px;background:transparent;color:var(--ink);font-size:13px;font-weight:700}.version-row button:hover,.version-row button[aria-pressed=true]{border-color:var(--ink);background:var(--ink);color:#fff}
.download-aside{align-self:start;padding-top:4px}.aside-intro{padding:0 0 28px;border-bottom:1px solid var(--line)}.download-aside h2{font-size:clamp(28px,3vw,38px);margin-bottom:20px}.download-aside h3{font-size:17px;margin-bottom:10px}.download-aside p{font-size:14px;color:#55574d;line-height:1.7}.guide-step{display:grid;grid-template-columns:36px 1fr;gap:12px;padding:22px 0;border-bottom:1px solid var(--line)}.guide-step>span{font-size:12px;font-weight:800}.guide-step p{margin-bottom:0}.os-guide{margin-top:24px;padding:20px 22px;background:#eeeee7;border-radius:10px}.os-guide h3{margin-bottom:7px}.os-guide p{margin:0}.download-aside .support-nudge{margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.support-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(390px,.9fr);gap:clamp(52px,8vw,120px);padding-bottom:104px}.support-story{padding-top:10px}.support-story>h2{max-width:12ch;margin-bottom:28px}.support-story>p{max-width:50ch;color:#4d4f45}.support-statement{margin:68px 0 45px;padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:clamp(21px,2.4vw,30px);font-weight:700;line-height:1.4;letter-spacing:-.02em}.support-statement strong{display:block;margin-top:16px;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0}.support-points article{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:20px 0;border-bottom:1px solid var(--line)}.support-points article:first-child{border-top:1px solid var(--line)}.support-points article>span{font-size:12px;font-weight:750}.support-points h3{font-size:17px;margin-bottom:5px}.support-points p{margin-bottom:0;font-size:14px;color:var(--muted)}
.donation-card{align-self:start;padding:clamp(24px,3.5vw,46px);background:var(--yellow);border-radius:14px}.donation-card h2{font-size:clamp(32px,4vw,48px);margin:0 0 10px}.donation-card>.muted{color:#4b493b;font-size:14px}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:30px 0 26px;padding:4px;border:1px solid rgba(36,37,31,.25);border-radius:9px}.segmented button{min-height:43px;border:0;border-radius:6px;background:transparent;color:var(--ink);font-size:14px;font-weight:700}.segmented button[aria-pressed=true]{background:var(--ink);color:#fff}.donation-card label,.amount-caption{margin:0 0 8px;font-size:13px;font-weight:720}.amount-caption span{font-weight:400}.amounts{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:25px}.amounts button{min-height:58px;border:1px solid rgba(36,37,31,.45);border-radius:7px;background:transparent;font-size:20px;font-weight:760;font-variant-numeric:tabular-nums}.amounts button:hover,.amounts button[aria-pressed=true]{border-color:var(--ink);background:var(--white)}.donation-total{display:flex;align-items:end;justify-content:space-between;gap:10px;margin:28px 0 20px;padding-top:22px;border-top:1px solid rgba(36,37,31,.3)}.donation-total span{font-size:13px}.donation-total strong{font-size:clamp(25px,3vw,36px);line-height:1;font-variant-numeric:tabular-nums}.donation-card .button{width:100%;justify-content:space-between}.donation-card .form-note{margin:16px 0 0;color:#4b493b;font-size:12px;line-height:1.55}.impact-note{margin-top:26px;padding:18px 0 0;border-top:1px solid rgba(36,37,31,.3);font-size:13px;line-height:1.6}.impact-note strong{display:block;margin-bottom:4px}.impact-note p{margin:0}.support-bottom{display:flex;align-items:end;justify-content:space-between;gap:30px;padding:55px 0 88px;border-top:1px solid var(--line)}.support-bottom h2{max-width:16ch;margin-bottom:12px;font-size:clamp(28px,3.5vw,44px)}.support-bottom p{margin:0;color:var(--muted)}.support-bottom .button{flex:none}
@media(max-width:900px){.wrap{width:calc(100% - 48px)}.nav{min-height:88px}.nav nav{gap:16px}.nav .button{display:none}.download-layout,.support-layout{grid-template-columns:1fr;gap:52px}.download-aside{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}.aside-intro,.os-guide,.support-nudge{grid-column:1/-1}.support-story{order:2}.donation-card{order:1}.support-statement{margin-top:42px}}
@media(max-width:620px){.wrap{width:calc(100% - 36px)}.preview{display:block;text-align:center;font-size:11px}.preview span{display:block}.nav{align-items:flex-start;flex-direction:column;justify-content:center;gap:10px;min-height:116px;padding-block:18px}.nav .logo img{height:42px}.nav nav{flex-wrap:wrap;gap:6px 18px;font-size:12px}.subhero{padding:55px 0 36px}.subhero h1{font-size:clamp(42px,10vw,60px)}.download-layout,.support-layout{gap:40px;padding-bottom:70px}.download-primary{padding:24px}.download-primary .card-top{margin-bottom:38px}.download-primary h2{font-size:33px}.download-aside{display:block}.other-downloads{padding-top:44px}.version-row{gap:10px}.version-row h3{font-size:15px}.version-row button{font-size:12px;padding:9px}.donation-card{padding:24px}.support-bottom{display:block;padding:45px 0 65px}.support-bottom .button{margin-top:25px}footer{padding-block:32px 24px}.footer-main,.footer-brand{flex-direction:column;align-items:flex-start;gap:16px}.footer-links{flex-wrap:wrap;gap:8px 18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

.os-guide summary{font-weight:750;cursor:pointer;padding-block:6px}.os-guide summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}

/* Stronger tactile feedback, limited to deliberate interaction. */
.button{position:relative;overflow:hidden}.button::after{content:"";position:absolute;inset:-100% auto -100% -65%;width:35%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);transform:rotate(24deg);pointer-events:none}.button:hover::after,.button:focus-visible::after{animation:button-sweep .65s ease-out}.button:active:not(:disabled){transform:translateY(1px) scale(.98)}
@keyframes button-sweep{to{left:145%}}
@media(prefers-reduced-motion:reduce){.button::after{display:none}.button:active:not(:disabled){transform:none}}

/* "Still being researched" marker, reused on every Illustrator link across the site */
.soon-badge{display:inline-flex;align-items:center;gap:5px;margin-left:7px;padding:2px 8px 2px 6px;border-radius:99px;background:#24251f;color:#ffe500;font-size:10px;font-weight:800;letter-spacing:.06em;line-height:1.5;vertical-align:middle;position:relative;top:-1px;white-space:nowrap;border:1px solid #3a3b34}
.soon-badge>i{flex:none;width:6px;height:6px;border-radius:50%;background:#ff9d2e;animation:soon-dot 2s ease-out infinite}
.soon-t{display:grid}.soon-t>span{grid-area:1/1;text-align:left;animation:soon-swap 6s ease-in-out infinite}.soon-t>span:last-child{animation-delay:3s}
@keyframes soon-dot{0%{box-shadow:0 0 0 0 rgba(255,157,46,.65)}70%,100%{box-shadow:0 0 0 7px rgba(255,157,46,0)}}
@keyframes soon-swap{0%,6%{opacity:0;transform:translateY(4px)}14%,44%{opacity:1;transform:none}52%,100%{opacity:0;transform:translateY(-4px)}}
.ai-link{display:inline-flex;align-items:center}
.ai-link:hover .soon-badge{border-color:#ffe500}
.ai-strip{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding:18px 26px;border:1px solid #3a3b34;border-radius:14px;color:#c9cabf;font-size:15px;text-decoration:none;background:linear-gradient(90deg,rgba(255,157,46,.08),transparent 60%);transition:transform .5s cubic-bezier(.34,1.56,.64,1),border-color .3s}
.ai-strip strong{color:#fff;font-size:18px}.ai-strip:hover{transform:translateY(-4px);border-color:#ff9d2e}
.ai-strip .soon-badge{margin-left:0}
.ai-strip-orb{width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff,#ffe500 40%,#ff9d2e);box-shadow:0 0 16px 3px rgba(255,157,46,.5);animation:soon-orb 3s ease-in-out infinite}
@keyframes soon-orb{50%{transform:scale(1.35);opacity:.7}}
.dn-ai-strip{margin-top:28px;background:#1d1e19}
.site-footer .ai-link,.footer-links .ai-link{display:inline-flex}
@media(prefers-reduced-motion:reduce){.soon-badge>i,.soon-t>span,.ai-strip-orb{animation:none}.soon-t>span:last-child{display:none}.soon-t>span:first-child{opacity:1}}

/* Language switcher (header) and per-language type stacks */
.lang-switch{position:relative;flex:none}
.lang-btn{display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:6px 12px;border:1px solid var(--line);border-radius:99px;background:transparent;color:inherit;font-size:13px;font-weight:750;letter-spacing:.02em;line-height:1}
.lang-btn:hover{border-color:var(--ink)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:300;min-width:150px;margin:0;padding:6px;list-style:none;background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px -16px rgba(36,37,31,.35)}
.lang-menu[hidden]{display:none}
.lang-menu li{padding:9px 12px;border-radius:8px;font-size:14px;font-weight:650;cursor:pointer;outline:none;letter-spacing:0}
.lang-menu li:hover,.lang-menu li:focus{background:#efeee8}
.lang-menu li[aria-selected=true]{background:var(--yellow);color:var(--ink)}
.ill .lang-btn{border-color:#2a2b26;color:#c9cabf}.ill .lang-btn:hover{border-color:var(--yellow);color:#fff}
.ill .lang-menu{background:#111;border-color:#2a2b26;color:#e9e8e0}.ill .lang-menu li:hover,.ill .lang-menu li:focus{background:#1d1e19}
@media(max-width:900px){.lang-switch{margin-left:auto}}
@media(max-width:620px){.lang-switch{margin-left:0}.lang-menu{right:auto;left:0}}
html[lang="ko"]{--font-title:"Staatliches","Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;--font-body:"Stack Sans Text",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;--tracking:-.02em}
html[lang="ja"]{--font-title:"Staatliches","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic","Meiryo",sans-serif;--font-body:"Stack Sans Text",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic","Meiryo",sans-serif;--tracking:-.02em}
html[lang="en"]{--tracking:-.03em}
html[lang="ko"] body,html[lang="ja"] body{word-break:keep-all;line-break:strict}
html[lang="ja"] body{word-break:normal}
/* ja: break at phrase boundaries in headings and lead text so titles do not split a word or strand one character. Browsers without auto-phrase keep the normal break. */
html[lang="ja"] :is(h1,h2,h3,.hero-lead,.intro){word-break:auto-phrase;text-wrap:balance}

/* Header v2 (Figma "Header / Desktop 1440 / Live 1001", 2026-10-01): a floating glass pill. Refraction and dispersion come
   from header-glass.js on Chromium; everywhere else the frosted blur and rim light below carry the effect. */
header.nav.wrap{--cap-solid:100px;--cap-end:197px;--rim-a:rgba(255,255,255,.95);--rim-b:rgba(255,255,255,.65);position:sticky;top:14px;z-index:200;width:min(1200px,calc(100% - 80px));min-height:55px;margin:14px auto 0;padding:5px 6px 5px 35px;gap:22px;border:0;border-radius:999px;justify-content:flex-start;
  background:linear-gradient(90deg,#fff 0,#fff var(--cap-solid),rgba(255,255,255,0) var(--cap-end)),rgba(255,255,255,.1);
  -webkit-backdrop-filter:blur(6px) saturate(2);backdrop-filter:blur(6px) saturate(2);
  box-shadow:0 0 0 1px rgba(36,37,31,.07),0 16px 34px -14px rgba(36,37,31,.34),0 3px 8px -2px rgba(36,37,31,.08),inset 2px 2px 3px -1px rgba(255,255,255,.95),inset -2px -2px 3px -1px rgba(255,255,255,.5),inset 0 0 18px rgba(255,255,255,.1)}
.glass-svg header.nav.wrap{-webkit-backdrop-filter:url(#pic-glass) saturate(1.8) brightness(1.04);backdrop-filter:url(#pic-glass) saturate(1.8) brightness(1.04)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){header.nav.wrap{background:rgba(255,254,250,.94)}}
/* Rim light from the top left (Figma light angle -45deg), a weaker echo at the opposite corner. */
header.nav.wrap::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;pointer-events:none;
  background:linear-gradient(135deg,var(--rim-a) 0%,rgba(255,255,255,.14) 26%,rgba(255,255,255,.04) 60%,var(--rim-b) 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
header.nav.wrap::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:2px;pointer-events:none;
  background:linear-gradient(135deg,rgba(70,200,255,.8) 0%,rgba(70,200,255,0) 20%,rgba(255,120,190,0) 80%,rgba(255,130,170,.75) 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
header.nav .logo img{height:29px}
header.nav nav{gap:30px}
header.nav .lang-switch{margin-left:auto}
header.nav .lang-btn{min-height:31px;padding:0 11px 0 9px;gap:4px;border:0;background:var(--ink);color:var(--yellow);font-size:13px;font-weight:700}
header.nav .lang-btn:hover{background:#3a3b31}
header.nav .lang-menu{top:calc(100% + 14px)}
header.nav .soon-badge{margin-left:7px;padding:0;border:0;background:none;color:#ff9e2e;top:0}
header.nav .soon-badge>i{width:6px;height:6px}
header.nav .button{min-height:45px;padding:0 20px 0 18px;gap:6px;border-radius:999px;border-color:var(--yellow);background:var(--yellow);color:var(--ink);font-size:13px;font-weight:700}
header.nav .button span{font-size:20px;line-height:1;font-weight:700}
header.nav .button:hover:not(:disabled){transform:none;border-color:var(--ink);background:var(--ink);color:var(--yellow)}
/* Dark pages: the pill turns into smoked glass. */
.ill header.nav.wrap,header.nav.wrap.on-dark{--rim-a:rgba(255,255,255,.55);--rim-b:rgba(255,255,255,.3);border:0;
  background:linear-gradient(90deg,#fff 0,#fff var(--cap-solid),rgba(255,255,255,0) var(--cap-end)),rgba(255,255,255,.06);
  box-shadow:0 0 0 1px rgba(255,255,255,.07),0 18px 40px -14px rgba(0,0,0,.85),inset 2px 2px 3px -1px rgba(255,255,255,.35),inset -2px -2px 3px -1px rgba(255,255,255,.14)}
.ill header.nav .lang-btn,header.nav.on-dark .lang-btn{border:1px solid rgba(255,255,255,.18);background:#24251f;color:var(--yellow)}
header.nav.wrap{transition:background-color .3s,box-shadow .3s}
header.nav.on-dark nav a,header.nav.on-dark nav a:hover{color:#e4e5db}
header.nav.on-dark nav a:hover,header.nav.on-dark nav a[aria-current]{color:#fff}
header.nav.on-dark .button:hover:not(:disabled){border-color:var(--yellow);background:#fff;color:var(--ink)}
@media(max-width:900px){
  header.nav.wrap{width:calc(100% - 48px);padding-left:26px}
  header.nav .lang-switch{margin-left:auto}
}
@media(max-width:620px){
  header.nav.wrap{--cap-solid:82px;--cap-end:146px;top:10px;width:calc(100% - 24px);margin-top:10px;padding:8.5px 12px 10px 18px;gap:8px 12px;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;border-radius:30px;min-height:0}
  header.nav .logo img{height:25.5px}
  header.nav .lang-switch{margin-left:auto}
  header.nav .lang-menu{left:auto;right:0}
  header.nav nav{order:3;flex-basis:100%;flex-wrap:nowrap;gap:14px;font-size:12.5px;white-space:nowrap;overflow-x:auto;scrollbar-width:none}
  header.nav nav::-webkit-scrollbar{display:none}
  header.nav .soon-t{display:none}
  header.nav .soon-badge{margin-left:5px}
}

/* Heartbeat loop (2026-10-01): 71 bpm is an estimate for a healthy man in his late twenties (sources quote about 70-73 bpm
   for young men), so one beat is 60s / 71 = 845ms. One cycle is exactly two beats (1.69s): a white light leaves the logo's
   white cap and crosses the pill once, brightening at beat one and again at beat two. The badge text swaps every cycle.
   Every animation is a whole number of beats long and they are locked to one start (header-glass.js). */
header.nav.wrap{--beat:calc(60s / 71);--cycle:calc(var(--beat) * 2)}
header.nav .hb-sweep{position:absolute;inset:0;z-index:-1;border-radius:inherit;overflow:hidden;pointer-events:none}
header.nav .hb-sweep::before{content:"";position:absolute;top:-25%;bottom:-25%;left:0;width:40%;opacity:0;transform:translateX(-110%) skewX(-18deg);
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.6) 32%,#fff 50%,rgba(255,255,255,.6) 68%,rgba(255,255,255,0))}
@media(prefers-reduced-motion:no-preference){
  header.nav .hb-sweep::before{animation:hb-sweep var(--cycle) linear infinite}
  /* Position is linear; brightness is the ECG: beat one rises sharply and settles, beat two (at 50%) is a little softer. */
  @keyframes hb-sweep{0%{opacity:0;transform:translateX(-110%) skewX(-18deg)}4%{opacity:1}22%{opacity:.5}46%{opacity:.35}54%{opacity:.95}78%{opacity:.4}88%{opacity:0;transform:translateX(280%) skewX(-18deg)}100%{opacity:0;transform:translateX(280%) skewX(-18deg)}}
  /* The linked pieces flash once per cycle, when the light reaches them. Buttons stay bright yellow. */
  header.nav .soon-badge>i{animation:hb-dot var(--cycle) ease-out infinite;animation-delay:calc(var(--cycle) * var(--hb-at,.5))}
  @keyframes hb-dot{0%{transform:scale(1);box-shadow:0 0 0 0 rgba(255,157,46,.8)}7%{transform:scale(1.7)}30%{transform:scale(1);box-shadow:0 0 0 8px rgba(255,157,46,0)}100%{transform:scale(1);box-shadow:0 0 0 0 rgba(255,157,46,0)}}
  header.nav .button{animation:hb-cta var(--cycle) ease-out infinite;animation-delay:calc(var(--cycle) * var(--hb-at,.5))}
  @keyframes hb-cta{0%{box-shadow:0 0 0 0 rgba(255,229,0,0)}7%{box-shadow:0 0 22px 5px rgba(255,229,0,.85)}30%,100%{box-shadow:0 0 0 0 rgba(255,229,0,0)}}
  header.nav .lang-btn{animation:hb-lang var(--cycle) ease-out infinite;animation-delay:calc(var(--cycle) * var(--hb-at,.5))}
  @keyframes hb-lang{0%{box-shadow:0 0 0 0 rgba(255,229,0,0)}7%{box-shadow:0 0 0 3px rgba(255,229,0,.6)}30%,100%{box-shadow:0 0 0 0 rgba(255,229,0,0)}}
  /* One cycle 敬請期待, the next 研究中. The first span is 研究中, so it starts one cycle in. */
  header.nav .soon-t>span{animation:hb-swap calc(var(--cycle) * 2) ease-in-out infinite;animation-delay:calc(var(--cycle) * -1)}
  header.nav .soon-t>span:last-child{animation-delay:0s}
  @keyframes hb-swap{0%{opacity:0;transform:translateY(5px)}4%{opacity:1;transform:none}46%{opacity:1;transform:none}50%{opacity:0;transform:translateY(-5px)}100%{opacity:0;transform:translateY(-5px)}}
}

/* Glass cards (2026-10-01): frosted, not clear, so text stays readable. The glass lives on a layer behind the card
   (::before) because the tilted cards use preserve-3d and a backdrop-filter on the card itself would flatten them.
   Each section gets soft coloured light behind its cards, otherwise there is nothing for the frost to pick up. */
.free-card::before,.full-card::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;
  background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.04) 55%,rgba(255,255,255,.08));
  -webkit-backdrop-filter:blur(26px) saturate(1.7);backdrop-filter:blur(26px) saturate(1.7);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14),inset 2px 2px 3px -1px rgba(255,255,255,.32),inset -2px -2px 3px -1px rgba(255,255,255,.1),0 22px 44px -24px rgba(0,0,0,.7)}
.free .free-card,.full .full-card{background:none;border-color:transparent}
.free{background:
  radial-gradient(520px 380px at 10% 24%,rgba(255,229,0,.22),transparent 70%),
  radial-gradient(560px 420px at 90% 34%,rgba(244,121,91,.22),transparent 70%),
  radial-gradient(640px 460px at 52% 96%,rgba(104,86,214,.34),transparent 70%),var(--ink)}
.full{background:
  radial-gradient(520px 380px at 14% 50%,rgba(49,168,255,.22),transparent 70%),
  radial-gradient(520px 400px at 86% 60%,rgba(255,157,46,.18),transparent 70%),
  radial-gradient(560px 420px at 50% 100%,rgba(150,90,220,.24),transparent 70%),#000}
/* The yellow hover/play state becomes tinted glass so the frost still shows through. */
.free .free-card:is(:hover,:focus,.is-play){background-color:rgba(255,229,0,.84);border-color:rgba(255,229,0,.7)}

/* Coming soon and pic! for Illustrator sit side by side (stacked on narrow screens), as frosted strips. */
.soon-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:44px}
@media(max-width:900px){.soon-row{grid-template-columns:1fr}}

/* Glass on the other pages. Light pages: milky white glass over soft colour; dark pages: smoked glass like the home cards. */
.dl{background:
  radial-gradient(520px 360px at 88% 300px,rgba(255,229,0,.45),transparent 70%),
  radial-gradient(520px 380px at 6% 560px,rgba(244,121,91,.28),transparent 70%),
  radial-gradient(560px 400px at 70% 980px,rgba(104,150,255,.26),transparent 70%),var(--paper)}
.dl .dl-card,.dl .mac-card,.dl .aside-box{background:rgba(255,255,255,.58);border:1px solid rgba(255,255,255,.85);
  -webkit-backdrop-filter:blur(24px) saturate(1.6);backdrop-filter:blur(24px) saturate(1.6);
  box-shadow:inset 2px 2px 3px -1px rgba(255,255,255,.95),inset -2px -2px 3px -1px rgba(255,255,255,.5),0 30px 60px -36px rgba(29,31,25,.4)}
.dn{background:
  radial-gradient(520px 380px at 90% 380px,rgba(244,121,91,.34),transparent 70%),
  radial-gradient(520px 360px at 55% 120px,rgba(104,150,255,.26),transparent 70%),
  radial-gradient(480px 340px at 6% 700px,rgba(255,229,0,.4),transparent 70%),var(--paper)}
.dn .dn-card{background:rgba(255,229,0,.8);border:1px solid rgba(255,255,255,.6);
  -webkit-backdrop-filter:blur(24px) saturate(1.5);backdrop-filter:blur(24px) saturate(1.5);
  box-shadow:inset 2px 2px 3px -1px rgba(255,255,255,.8),inset -2px -2px 3px -1px rgba(255,255,255,.3),0 36px 70px -40px rgba(90,80,0,.55)}
.dn-uses{background:
  radial-gradient(520px 380px at 12% 40%,rgba(255,229,0,.2),transparent 70%),
  radial-gradient(520px 380px at 88% 50%,rgba(244,121,91,.22),transparent 70%),
  radial-gradient(560px 420px at 50% 100%,rgba(104,86,214,.32),transparent 70%),var(--ink)}
.dn-uses .dn-use-grid article,.ill .ill-known-grid>div{background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.04) 55%,rgba(255,255,255,.08));border:1px solid rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(24px) saturate(1.7);backdrop-filter:blur(24px) saturate(1.7);
  box-shadow:inset 2px 2px 3px -1px rgba(255,255,255,.28),inset -2px -2px 3px -1px rgba(255,255,255,.08),0 22px 44px -24px rgba(0,0,0,.7)}
.ill-card::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;
  background:linear-gradient(145deg,rgba(255,255,255,.12),rgba(255,255,255,.04) 55%,rgba(255,255,255,.07));
  -webkit-backdrop-filter:blur(26px) saturate(1.7);backdrop-filter:blur(26px) saturate(1.7);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.13),inset 2px 2px 3px -1px rgba(255,255,255,.3),inset -2px -2px 3px -1px rgba(255,255,255,.09),0 22px 44px -24px rgba(0,0,0,.8)}
.ill .ill-card{background:none;border-color:transparent}
.ill .ill-grid{background:radial-gradient(closest-side at 16% 50%,rgba(255,157,46,.2),transparent),radial-gradient(closest-side at 84% 50%,rgba(104,86,214,.26),transparent),radial-gradient(closest-side at 50% 90%,rgba(255,229,0,.14),transparent)}
.ill .ill-known-grid{background:radial-gradient(closest-side at 22% 50%,rgba(255,157,46,.2),transparent),radial-gradient(closest-side at 80% 50%,rgba(49,168,255,.2),transparent)}
.dl .dl-gate{background:rgba(255,229,0,.82);border:1px solid rgba(255,255,255,.6);-webkit-backdrop-filter:blur(24px) saturate(1.5);backdrop-filter:blur(24px) saturate(1.5);
  box-shadow:inset 2px 2px 3px -1px rgba(255,255,255,.8),inset -2px -2px 3px -1px rgba(255,255,255,.3),0 30px 60px -36px rgba(90,80,0,.5)}

/* Full-edition cards: no yellow frame. The edge reads as thick glass instead: a bright rim on the light side and a cool
   cyan / warm pink fringe on the opposite edges, as if light were splitting through the bevel. Hover only strengthens it. */
.full .full-card::before{box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),inset 2px 2px 2px -1px rgba(255,255,255,.4),inset 3px 3px 5px -2px rgba(110,210,255,.45),inset -2px -2px 2px -1px rgba(255,255,255,.14),inset -3px -3px 5px -2px rgba(255,130,190,.4),0 22px 44px -24px rgba(0,0,0,.7);transition:box-shadow .45s var(--ease)}
.full .full-card:is(:hover,:focus,.is-play)::before{box-shadow:inset 0 0 0 1px rgba(255,255,255,.2),inset 2px 2px 2px -1px rgba(255,255,255,.65),inset 4px 4px 8px -2px rgba(110,210,255,.7),inset -2px -2px 2px -1px rgba(255,255,255,.25),inset -4px -4px 8px -2px rgba(255,130,190,.62),0 30px 60px -28px rgba(0,0,0,.85)}
.full .full-card:is(:hover,:focus,.is-play){border-color:transparent;box-shadow:none}

/* Phone fold: the page-link row collapses while scrolling down. */
@media(max-width:620px){
  header.nav.wrap{transition:background-color .3s,box-shadow .3s,padding .28s var(--ease,ease)}
  header.nav nav{max-height:40px;transition:max-height .28s var(--ease,ease),opacity .2s,margin .28s var(--ease,ease),visibility 0s}
  header.nav.is-folded nav{max-height:0;margin-top:-8px;opacity:0;visibility:hidden;pointer-events:none;transition:max-height .28s var(--ease,ease),opacity .15s,margin .28s var(--ease,ease),visibility 0s .28s}
  header.nav.is-folded.wrap{padding-bottom:8.5px}
}

/* Free and full cards: clearer glass, plus a prismatic glint that follows the pointer (white core, cyan and pink fringes
   offset either side of it, a trace of yellow, like light scattering through a bevel). */
.free-card::before,.full-card::before,.ill-card::before{background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.015) 55%,rgba(255,255,255,.04));-webkit-backdrop-filter:blur(14px) saturate(1.9);backdrop-filter:blur(14px) saturate(1.9)}
.free{background:
  radial-gradient(520px 380px at 10% 24%,rgba(255,229,0,.3),transparent 70%),
  radial-gradient(560px 420px at 90% 34%,rgba(244,121,91,.3),transparent 70%),
  radial-gradient(640px 460px at 52% 96%,rgba(104,86,214,.44),transparent 70%),var(--ink)}
.full{background:
  radial-gradient(520px 380px at 14% 50%,rgba(49,168,255,.3),transparent 70%),
  radial-gradient(520px 400px at 86% 60%,rgba(255,157,46,.26),transparent 70%),
  radial-gradient(560px 420px at 50% 100%,rgba(150,90,220,.34),transparent 70%),#000}
.free .free-card::after,.full .full-card::after{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .35s;mix-blend-mode:screen;background:
  radial-gradient(150px circle at var(--mx,50%) var(--my,30%),rgba(255,255,255,.5),transparent 70%),
  radial-gradient(240px circle at calc(var(--mx,50%) - 7%) calc(var(--my,30%) - 5%),rgba(90,210,255,.38),transparent 70%),
  radial-gradient(240px circle at calc(var(--mx,50%) + 7%) calc(var(--my,30%) + 5%),rgba(255,120,190,.34),transparent 70%),
  radial-gradient(200px circle at calc(var(--mx,50%) + 2%) calc(var(--my,30%) - 9%),rgba(255,229,0,.22),transparent 70%)}
.free .free-card:is(:hover,:focus)::after,.full .full-card:is(:hover,:focus)::after{opacity:1}

/* Coming soon and pic! for Illustrator strips now match the three full-edition cards: a glass layer behind, a bevel that
   splits light, and a glint that follows the pointer. The light is only Photoshop blue and Illustrator amber. */
.soon-row .soon-strip{margin-top:0;align-content:center;position:relative;isolation:isolate;border:1px solid transparent}
.full .soon-row .soon-strip,.full .soon-row .soon-strip:not(.ai-strip),.full .soon-row .ai-strip{background:none;border-color:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}
.soon-row .soon-strip{--tint:49,168,255}
.soon-row .ai-strip{--tint:255,157,46}
.soon-row .soon-strip::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;
  background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.015) 55%,rgba(255,255,255,.04));
  -webkit-backdrop-filter:blur(14px) saturate(1.9);backdrop-filter:blur(14px) saturate(1.9);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),inset 2px 2px 2px -1px rgba(255,255,255,.4),inset 3px 3px 5px -2px rgba(var(--tint),.55),inset -2px -2px 2px -1px rgba(255,255,255,.14),inset -3px -3px 5px -2px rgba(var(--tint),.4),0 22px 44px -24px rgba(0,0,0,.7);transition:box-shadow .45s var(--ease,ease)}
.soon-row .soon-strip:is(:hover,:focus-visible)::before{box-shadow:inset 0 0 0 1px rgba(255,255,255,.2),inset 2px 2px 2px -1px rgba(255,255,255,.65),inset 4px 4px 8px -2px rgba(var(--tint),.8),inset -2px -2px 2px -1px rgba(255,255,255,.25),inset -4px -4px 8px -2px rgba(var(--tint),.7),0 30px 60px -28px rgba(0,0,0,.85)}
.soon-row .soon-strip::after{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .35s;mix-blend-mode:screen;background:
  radial-gradient(150px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.5),transparent 70%),
  radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(var(--tint),.5),transparent 72%)}
.soon-row .soon-strip:is(:hover,:focus-visible)::after{opacity:1}
.soon-row .ai-strip:hover{transform:translateY(-3px)}

/* Free and full edition are one section: same background, no fade band between them, a shorter gap. */
.home .fullstack{background:#1a1a1a}
.home .free,.home .full{background:none}
.home .full{padding-top:clamp(40px,5vw,72px)}
.home .full::before{display:none}
.home .free{padding-bottom:clamp(40px,5vw,72px)}