:root{
  --base:#FBFAF8; --ink:#00191A; --teal:#006466; --violet:#503F99; --red:#B5252A;
  --line:rgba(0,25,26,.16); --muted:rgba(0,25,26,.55);
  --pad:clamp(20px,6vw,96px); --wrap:1180px;
  --serif:'Shippori Mincho',"Hiragino Mincho ProN","Yu Mincho",serif; --en:'Cormorant Garamond',Georgia,serif;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--base);color:var(--ink);font-family:"Noto Sans JP",system-ui,sans-serif;font-weight:300;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{max-width:100%}
a{color:inherit;text-decoration:none}
a:hover{color:var(--violet)}
::selection{background:var(--violet);color:var(--base)}
:focus-visible{outline:1px solid var(--violet);outline-offset:3px}
input,select,textarea{font-family:inherit;font-weight:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* page transition */
main,footer{transition:opacity .32s ease,transform .32s ease}
html.leaving main,html.leaving footer{opacity:0;transform:translateY(-6px)}
@keyframes pagein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
html:not(.no-js) main{animation:pagein .6s var(--ease) both}

/* header */
.hd{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 clamp(20px,4vw,56px);height:76px;color:var(--ink);border-bottom:1px solid rgba(0,25,26,.14);background:rgba(251,250,248,.82);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:color .6s ease-in-out,background .6s ease-in-out,border-color .6s ease-in-out,transform .5s var(--ease)}
.hd.on-dark{color:var(--base);background:rgba(0,100,102,.72);border-bottom-color:rgba(251,250,248,.24)}
.hd.on-dark .brand img{filter:brightness(0) invert(1)}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:40px;height:40px;transition:transform .6s var(--ease)}
.brand:hover img{transform:rotate(-8deg)}
.brand span{font-family:var(--en);font-size:22px;letter-spacing:.14em;font-weight:500}
.gnav{display:flex;align-items:center;gap:clamp(18px,2.6vw,38px);font-size:13px;letter-spacing:.1em}
.gnav a{position:relative;padding:12px 0}
.gnav a::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.gnav a:hover::after,.gnav a[aria-current]::after{transform:scaleX(1)}
.gnav a:hover{color:inherit;opacity:.7}
.lang{display:flex;align-items:center;gap:8px;font-family:var(--en);font-size:14px;letter-spacing:.12em}
.lang b{font-weight:400;border-bottom:1px solid currentColor;padding-bottom:2px}
.lang s{text-decoration:none;opacity:.35}
.lang .soon{opacity:.4;cursor:default}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:0;color:inherit;cursor:pointer;padding:0}
.burger i{display:block;width:22px;height:1px;background:currentColor;box-shadow:0 -6px 0 currentColor,0 6px 0 currentColor;transition:box-shadow .3s ease}
.drawer{position:fixed;inset:0;z-index:55;background:var(--base);display:flex;flex-direction:column;justify-content:center;gap:8px;padding:0 28px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .3s ease,visibility 0s linear .3s}
.drawer.open{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .3s ease,visibility 0s}
.drawer a{font-family:var(--serif);font-size:28px;padding:14px 0;border-bottom:1px solid rgba(0,25,26,.12);opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.drawer.open a{opacity:1;transform:none}
.drawer.open a:nth-child(1){transition-delay:.08s}.drawer.open a:nth-child(2){transition-delay:.14s}.drawer.open a:nth-child(3){transition-delay:.2s}.drawer.open a:nth-child(4){transition-delay:.26s}.drawer.open a:nth-child(5){transition-delay:.32s}
.drawer .ext{font-family:var(--en);font-size:16px;letter-spacing:.14em;border-bottom:0;color:var(--muted);margin-top:8px}
.drawer .close{position:absolute;top:16px;right:20px;width:44px;height:44px;background:none;border:0;color:inherit;font-size:24px;cursor:pointer}

/* sections */
section{position:relative;background:var(--base);color:var(--ink);transition:background .6s ease-in-out,color .6s ease-in-out;padding:clamp(88px,14vh,160px) var(--pad)}
section.dark{--line:rgba(251,250,248,.26);--muted:rgba(251,250,248,.68);background:var(--teal);color:var(--base)}
.wrap{max-width:var(--wrap);margin:0 auto}
.kicker{font-family:var(--en);font-size:12px;letter-spacing:.34em;color:var(--muted);margin:0 0 18px}
.pagehead{padding-top:clamp(140px,20vh,220px);padding-bottom:clamp(56px,8vh,90px)}
h1.page{font-family:var(--serif);font-weight:400;font-size:clamp(32px,5.4vw,72px);line-height:1.4;letter-spacing:.06em;margin:0}
h2.sec{font-family:var(--serif);font-weight:400;font-size:clamp(24px,3.4vw,44px);line-height:1.6;letter-spacing:.06em;margin:0 0 clamp(40px,6vw,72px)}
h2.side{font-family:var(--serif);font-weight:500;font-size:clamp(20px,2.4vw,28px);line-height:1.7;letter-spacing:.08em;margin:0}
.lead{font-size:15px;line-height:2.4;letter-spacing:.04em;color:var(--muted);margin:0;max-width:38em;text-wrap:pretty}
.body{font-size:15px;line-height:2.4;letter-spacing:.04em;margin:0 0 24px;max-width:36em;text-wrap:pretty}
.body:last-child{margin-bottom:0}
.crumb{font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:40px}
.crumb i{font-style:normal;margin:0 10px;opacity:.5}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.9fr);gap:clamp(24px,5vw,72px);align-items:start}
.two.wide{grid-template-columns:minmax(0,1fr) minmax(0,2.1fr);gap:clamp(28px,6vw,96px)}
.two.info{grid-template-columns:minmax(0,1fr) minmax(0,2.4fr)}
.two.form{grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);gap:clamp(32px,6vw,96px)}
.rule{padding-top:clamp(40px,6vw,64px)}
.statement-lg{font-family:var(--serif);font-size:clamp(17px,1.9vw,26px);line-height:2.05;letter-spacing:.05em;margin:0 0 32px;text-wrap:pretty}
.contact-h{font-family:var(--serif);font-weight:400;font-size:clamp(24px,4vw,52px);line-height:1.6;letter-spacing:.06em;margin:0 0 clamp(32px,5vw,56px);max-width:22em}
.contact-row{display:flex;flex-wrap:wrap;gap:clamp(24px,5vw,72px);align-items:center;padding-top:36px}

/* drawn lines: elements that used to carry a border-top now draw it in */
[data-line]{position:relative;border-top:0!important}
[data-line]::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease)}
[data-line].soft::before{background:var(--line)}
section.dark [data-line]::before{background:var(--base)}
section.dark [data-line].soft::before{background:var(--line)}
[data-line].shown::before,.no-js [data-line]::before{transform:scaleX(1)}

/* hero */
.hero{position:relative;min-height:100dvh;display:flex;flex-direction:column;justify-content:center;padding:120px var(--pad) 96px;overflow:hidden;isolation:isolate}
.hero .haze{position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.hero .haze i{position:absolute;display:block;border-radius:50%;filter:blur(60px);opacity:.5}
.hero .haze i:nth-child(1){width:52vw;height:52vw;max-width:720px;max-height:720px;left:-14vw;top:-8vw;background:radial-gradient(circle,rgba(80,63,153,.16),transparent 62%);animation:drift1 22s ease-in-out infinite alternate}
.hero .haze i:nth-child(2){width:48vw;height:48vw;max-width:680px;max-height:680px;right:-12vw;bottom:-14vw;background:radial-gradient(circle,rgba(0,100,102,.16),transparent 62%);animation:drift2 26s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(9vw,7vh) scale(1.08)}}
@keyframes drift2{to{transform:translate(-8vw,-6vh) scale(1.1)}}
.hero .ring{position:absolute;top:50%;right:clamp(-160px,-6vw,-40px);transform:translateY(-50%);width:min(70vw,640px);height:min(70vw,640px);pointer-events:none;z-index:-1}
.hero .ring circle{fill:none;stroke:var(--teal);stroke-width:1;opacity:.45}
.hero .wrap{position:relative;width:100%;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(40px,7vw,120px);align-items:center}
.hero .eyebrow{font-family:var(--en);font-size:12px;letter-spacing:.42em;color:var(--muted);margin:0 0 clamp(28px,5vh,56px)}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(30px,4.6vw,64px);line-height:1.45;letter-spacing:.1em;margin:0;text-wrap:balance}
.hero p.sub{font-family:var(--serif);font-size:clamp(15px,1.5vw,20px);line-height:2.1;letter-spacing:.06em;color:var(--muted);margin:clamp(28px,4vh,44px) 0 0;max-width:30em}
.scroll{position:absolute;left:var(--pad);bottom:36px;display:flex;align-items:center;gap:14px;font-family:var(--en);font-size:11px;letter-spacing:.3em;color:var(--muted)}
.scroll i{position:relative;display:block;width:56px;height:1px;background:currentColor;opacity:.4;font-style:normal;overflow:hidden}
.scroll i::after{content:"";position:absolute;left:0;top:0;width:40%;height:100%;background:var(--ink);transform:translateX(-100%);animation:scrollhint 2.2s var(--ease) infinite}
@keyframes scrollhint{0%{transform:translateX(-100%)}60%,100%{transform:translateX(250%)}}

/* signature: one vine, many blossoms */
.vine{position:relative;padding-left:clamp(28px,4vw,56px)}
.vine svg.lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.vine svg.lines path{fill:none;stroke:var(--teal);stroke-width:1;opacity:.75;transition:stroke .3s ease,opacity .3s ease,stroke-dashoffset 1s var(--ease)}
.vine svg.lines path.drawn{stroke-dashoffset:0!important}
.vine svg.lines path.hot{stroke:var(--violet);opacity:1}
.vine svg.lines circle.tip{fill:var(--base);stroke:var(--teal);stroke-width:1;opacity:0;transition:fill .3s ease,stroke .3s ease,opacity .4s ease}
.vine svg.lines circle.tip.drawn,.no-js .vine svg.lines circle.tip{opacity:1}
.vine svg.lines circle.tip.hot{fill:var(--violet);stroke:var(--violet)}
.vine .origin{position:absolute;left:0;top:-22px;width:12px;height:12px;border:1px solid var(--teal);border-radius:50%;transform:translate(-50%,-50%);background:var(--base)}
.vine .origin::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--violet);opacity:.9}
.vine ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:clamp(10px,1.6vh,18px)}
.vine li{opacity:0;transform:translateX(-8px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.vine li.shown,.no-js .vine li{opacity:1;transform:none}
.vine li:nth-child(2){margin-left:6%}.vine li:nth-child(3){margin-left:12%}.vine li:nth-child(4){margin-left:18%}.vine li:nth-child(5){margin-left:24%}.vine li:nth-child(6){margin-left:30%}
.vine a{display:inline-flex;flex-direction:column;gap:2px;padding:6px 0 6px 18px;position:relative}
.vine .ja{font-family:var(--serif);font-size:clamp(17px,1.5vw,21px);letter-spacing:.06em;line-height:1.4;transition:color .25s ease,transform .4s var(--ease);display:inline-block}
.vine .en{font-family:var(--en);font-size:11px;letter-spacing:.2em;color:var(--muted)}
.vine a:hover .ja{color:var(--violet);transform:translateX(4px)}
.vine.compact{padding-left:48px;margin-top:clamp(32px,5vw,52px)}
.vine.compact .origin{top:8px}
.vine.compact .kicker{margin:0 0 10px}
.vine.compact ul{gap:0;border-top:1px solid var(--line)}
.vine.compact li{margin-left:0!important;border-bottom:1px solid var(--line)}
.vine.compact a,.vine.compact .row{display:flex;flex-direction:row;align-items:baseline;gap:16px;padding:16px 0 16px 18px}
.vine.compact .ja{font-size:clamp(17px,1.6vw,22px)}
.vine.compact .en{font-size:12px}

/* index list */
.idx{list-style:none;margin:0;padding:0}
.idx li{position:relative;opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.idx li.shown,.no-js .idx li{opacity:1;transform:none}
.idx li::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);transform-origin:left;transition:transform .5s var(--ease)}
.idx li:hover::after{background:var(--violet);transform:scaleY(1)}
.idx a{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:clamp(12px,3vw,40px);padding:clamp(22px,3.4vw,38px) 0}
.idx a:hover{color:inherit}
.idx .nm{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px}
.idx .ja{font-family:var(--serif);font-size:clamp(21px,3vw,40px);letter-spacing:.06em;line-height:1.3;transition:color .25s ease,transform .5s var(--ease);display:inline-block}
.idx a:hover .ja{color:var(--violet);transform:translateX(8px)}
.idx .en{font-family:var(--en);font-size:13px;letter-spacing:.18em;color:var(--muted)}
.idx .ar{font-size:18px;color:var(--muted);transition:transform .5s var(--ease),color .25s ease}
.idx a:hover .ar{transform:translateX(8px);color:var(--violet)}
.headrow{display:flex;align-items:baseline;justify-content:space-between;gap:24px;padding-bottom:20px;position:relative}
.headrow::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease)}
.headrow.shown::after,.no-js .headrow::after{transform:scaleX(1)}

/* business articles */
.biz .cat{font-family:var(--en);font-size:13px;letter-spacing:.34em;color:var(--muted);margin:clamp(40px,6vw,72px) 0 0;padding-bottom:14px;border-bottom:1px solid var(--ink)}
.biz .cat:first-child{margin-top:0}
.biz .cat small{font-family:"Noto Sans JP",system-ui,sans-serif;letter-spacing:.14em;margin-left:14px;font-size:11px}
.biz article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.9fr);gap:clamp(16px,5vw,72px);padding:clamp(36px,5vw,64px) 0;border-bottom:1px solid var(--line);scroll-margin-top:96px}
.biz h2{font-family:var(--serif);font-weight:500;font-size:clamp(22px,2.8vw,34px);line-height:1.5;letter-spacing:.06em;margin:0 0 10px}
.biz .en{font-family:var(--en);font-size:13px;letter-spacing:.2em;color:var(--muted);margin:0}
.biz p.txt{font-size:15px;line-height:2.3;letter-spacing:.04em;margin:0;max-width:36em;text-wrap:pretty}
.biz p.txt+p.txt{margin-top:14px}
.biz .links{display:flex;flex-wrap:wrap;gap:16px 32px;margin-top:26px}

/* steps */
ol.steps{list-style:none;margin:0;padding:0}
ol.steps li{display:grid;grid-template-columns:88px 240px minmax(0,1fr);gap:clamp(12px,2vw,28px);align-items:baseline;padding:clamp(26px,3.4vw,38px) 0;border-bottom:1px solid var(--line)}
ol.steps .no{font-family:var(--en);font-size:clamp(24px,3vw,38px);letter-spacing:.06em;color:var(--muted)}
ol.steps .ttl{font-family:var(--serif);font-size:clamp(18px,2.2vw,26px);letter-spacing:.06em;line-height:1.6}
ol.steps .en-ttl{font-family:var(--en);font-size:clamp(19px,2.4vw,30px);letter-spacing:.1em}
ol.steps .dsc{font-size:14px;line-height:2.2;letter-spacing:.04em;color:var(--muted)}

/* figures grid */
.figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.figs>div{background:var(--teal);padding:clamp(24px,3vw,40px) clamp(18px,2vw,28px);display:flex;flex-direction:column;gap:10px}
.figs .lb{font-family:var(--en);font-size:11px;letter-spacing:.2em;color:var(--muted);margin:0}
.figs .vl{display:flex;align-items:baseline;gap:8px;margin:0}
.figs>div{min-width:0}
.figs .vl b{font-family:var(--en);font-weight:400;font-size:clamp(40px,4.8vw,76px);line-height:1;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.figs .vl span{font-size:13px;letter-spacing:.08em;color:var(--muted)}
.figs .nt{font-size:13px;line-height:2;letter-spacing:.04em;color:var(--muted);margin:0}

/* products */
.prod article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr) minmax(0,.8fr);gap:clamp(14px,3vw,48px);padding:clamp(28px,3.6vw,44px) 0;border-bottom:1px solid var(--line)}
.prod .code{font-family:var(--en);font-size:12px;letter-spacing:.24em;color:var(--muted);margin:0 0 10px}
.prod h3{font-family:var(--en);font-weight:400;font-size:clamp(20px,2.4vw,30px);line-height:1.3;letter-spacing:.08em;margin:0}
.prod .ing{font-size:13px;line-height:2.2;letter-spacing:.1em;color:var(--muted);margin:0}
.prod dl{margin:0;display:grid;grid-template-columns:auto auto;gap:6px 16px;align-content:start;font-size:13px;letter-spacing:.04em}
.prod dt{color:var(--muted)}
.prod dd{margin:0;font-family:var(--en);font-size:15px}

/* comparison table */
.cmp{width:100%;border-collapse:collapse;font-size:14px;letter-spacing:.04em;line-height:2}
.cmp th,.cmp td{text-align:left;padding:18px 16px 18px 0;border-bottom:1px solid var(--line);vertical-align:top}
.cmp th{font-weight:400;color:var(--muted);font-size:13px}
.cmp thead th{font-family:var(--en);letter-spacing:.16em;font-size:12px;color:var(--muted);padding-top:0}
.cmp td:first-child{color:var(--muted);font-size:13px}
.cmp .k{color:var(--teal)}
.tbl-scroll{overflow-x:auto}

/* cols */
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(24px,4vw,56px);padding-top:clamp(32px,4vw,48px)}
.cols h3{font-family:var(--serif);font-weight:500;font-size:clamp(18px,2vw,24px);line-height:1.6;letter-spacing:.06em;margin:0 0 16px}
.cols p{font-size:14px;line-height:2.3;letter-spacing:.04em;color:var(--muted);margin:0}

/* faq */
.faq{margin:0;padding:0;list-style:none}
.faq li{border-bottom:1px solid var(--line);padding:clamp(22px,3vw,32px) 0}
.faq .q{font-family:var(--serif);font-size:clamp(16px,1.8vw,20px);letter-spacing:.06em;line-height:1.8;margin:0 0 10px;display:flex;gap:14px}
.faq .q::before{content:"Q";font-family:var(--en);color:var(--violet);flex:none}
.faq .a{font-size:14px;line-height:2.3;letter-spacing:.04em;color:var(--muted);margin:0;padding-left:calc(14px + .7em)}

/* spec list */
dl.spec{margin:0;display:grid;grid-template-columns:minmax(140px,.45fr) minmax(0,2fr)}
dl.spec dt{font-size:13px;letter-spacing:.08em;color:var(--muted);padding:22px 16px 22px 0;border-bottom:1px solid var(--line)}
dl.spec dd{margin:0;font-size:15px;line-height:2;letter-spacing:.04em;padding:22px 0;border-bottom:1px solid var(--line)}
dl.spec dd a.ext{border-bottom:1px solid var(--line);transition:color .2s ease,border-color .2s ease}
dl.spec dd a.ext:hover{color:var(--violet);border-color:var(--violet)}

/* media */
figure{margin:0;overflow:hidden}
figure img{width:100%;height:auto;display:block}
.stack{display:grid;gap:clamp(16px,2.4vw,28px)}
.pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(16px,2.4vw,28px)}
.posters{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(28px,5vw,72px)}
.posters img{max-height:74vh;object-fit:contain}
.posters figure{transition:transform .8s var(--ease)}
.posters figure:hover{transform:translateY(-6px)}

/* buttons + notes */
.btn,button.submit{position:relative;display:inline-block;isolation:isolate;overflow:hidden;font-size:14px;font-weight:400;letter-spacing:.1em;border:1px solid var(--ink);padding:18px 42px;color:inherit;background:none;cursor:pointer;transition:color .3s ease,border-color .3s ease}
.btn::before,button.submit::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.btn:hover,button.submit:hover{color:var(--base)}
.btn:hover::before,button.submit:hover::before{transform:scaleX(1)}
section.dark .btn{border-color:var(--line)}
section.dark .btn::before{background:var(--base)}
section.dark .btn:hover{color:var(--teal);border-color:var(--base)}
.btn-sm{position:relative;display:inline-block;isolation:isolate;overflow:hidden;font-size:13px;font-weight:400;letter-spacing:.1em;border:1px solid var(--line);padding:14px 26px;transition:color .3s ease,border-color .3s ease}
.btn-sm::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--base);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
section.dark .btn-sm:hover{color:var(--teal);border-color:var(--base)}
section.dark .btn-sm:hover::before{transform:scaleX(1)}
.link{display:inline-block;font-size:13px;letter-spacing:.1em;padding-bottom:4px;background:linear-gradient(currentColor,currentColor) no-repeat left bottom/100% 1px;transition:color .25s ease,background-size .4s var(--ease)}
.link:hover{color:var(--violet);background-size:0% 1px;background-position:right bottom}
.link.ext::after{content:"↗";margin-left:8px;font-family:var(--en);font-size:14px}
.note{border:1px solid var(--line);padding:clamp(24px,4vw,40px)}
.note p{font-size:14px;line-height:2.2;letter-spacing:.04em;color:var(--muted);margin:0;max-width:34em}
.cta h2{font-family:var(--serif);font-weight:400;font-size:clamp(22px,3vw,38px);line-height:1.65;letter-spacing:.06em;margin:0 0 36px;max-width:24em}
.contacts{display:flex;flex-direction:column;gap:6px}
.contacts a{font-family:var(--en);font-size:clamp(18px,2vw,24px);letter-spacing:.06em;align-self:flex-start;background:linear-gradient(var(--violet),var(--violet)) no-repeat left bottom/0% 1px;transition:background-size .4s var(--ease),color .25s ease}
.contacts a:hover{background-size:100% 1px}
.tagline{font-family:var(--serif);font-weight:400;font-size:clamp(22px,3.4vw,44px);line-height:1.75;letter-spacing:.08em;margin:0;color:var(--violet)}
.statement{font-family:var(--serif);font-weight:400;font-size:clamp(24px,4vw,56px);line-height:1.5;letter-spacing:.1em;margin:0 0 32px;text-wrap:balance}
.mbr{display:none}
.ext-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:clamp(16px,3vw,32px);border:1px solid var(--line);padding:clamp(20px,3vw,32px);margin-top:28px;transition:border-color .3s ease,transform .5s var(--ease)}
.ext-card:hover{border-color:var(--violet);transform:translateY(-3px);color:inherit}
.ext-card .lb{font-family:var(--en);font-size:11px;letter-spacing:.24em;color:var(--muted);margin:0 0 6px}
.ext-card .nm{font-family:var(--serif);font-size:clamp(18px,2vw,24px);letter-spacing:.06em;margin:0;line-height:1.5}
.ext-card .ds{font-size:13px;line-height:2;letter-spacing:.04em;color:var(--muted);margin:6px 0 0}
.ext-card .ar{font-family:var(--en);font-size:22px;color:var(--muted);transition:transform .5s var(--ease),color .25s ease}
.ext-card:hover .ar{transform:translate(4px,-4px);color:var(--violet)}
.ext-card .mk{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-family:var(--en);font-size:13px;letter-spacing:.06em;color:var(--teal)}

/* form */
form.contact{display:flex;flex-direction:column;gap:clamp(24px,3vw,34px)}
.field{display:flex;flex-direction:column;gap:10px}
.field label{display:block;font-size:13px;letter-spacing:.08em;color:var(--muted)}
.field input,.field select,.field textarea{font-size:16px;padding:14px 12px;min-height:52px;background:transparent;color:inherit;border:1px solid var(--line);border-radius:0;transition:border-color .25s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--violet)}
.field select{appearance:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2300191A' stroke-width='1'/%3E%3C/svg%3E") no-repeat right 14px center;padding-right:36px}
.field textarea{line-height:2;resize:vertical;min-height:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.err{font-size:13px;letter-spacing:.04em;color:var(--red);margin:0}
.alert{border:1px solid var(--red);padding:20px 24px}
.alert p{font-size:14px;line-height:1.9;letter-spacing:.04em;margin:0;color:var(--red)}
.alert a{border-bottom:1px solid currentColor}
.done{border:1px solid var(--teal);padding:clamp(28px,4vw,48px);animation:pagein .6s var(--ease) both}
.done h2{font-family:var(--serif);font-size:clamp(20px,2.4vw,28px);line-height:1.7;letter-spacing:.06em;margin:0 0 18px;color:var(--teal)}
.done p{font-size:14px;line-height:2.3;letter-spacing:.04em;color:var(--muted);margin:0 0 28px}
.privacy{font-size:12px;line-height:2.1;letter-spacing:.04em;color:var(--muted);margin:0}
button.submit{align-self:flex-start;padding:18px 48px;min-height:52px}
button.submit[disabled]{opacity:.5;cursor:progress}
.again{font-size:13px;letter-spacing:.1em;background:none;border:1px solid var(--line);color:inherit;padding:14px 28px;cursor:pointer;transition:border-color .25s ease,color .25s ease}
.again:hover{border-color:var(--violet);color:var(--violet)}

/* 404 */
.nf{min-height:70dvh;display:grid;place-items:center;text-align:center;padding-top:140px}
.nf .code{font-family:var(--en);font-size:clamp(72px,14vw,160px);line-height:1;letter-spacing:.1em;color:var(--teal);margin:0 0 24px}

/* footer */
footer{background:var(--base);color:var(--ink);border-top:1px solid var(--line);padding:clamp(48px,8vh,80px) var(--pad) 40px}
footer .top{max-width:var(--wrap);margin:0 auto;display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-start}
footer .logo{display:flex;flex-direction:column;gap:14px}
footer .logo img{width:150px;height:auto;mix-blend-mode:multiply}
footer .adr{font-size:12px;line-height:2;letter-spacing:.04em;color:var(--muted);margin:0}
footer nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,auto));gap:12px 56px;font-size:13px;letter-spacing:.08em}
footer nav a{padding:6px 0;background:linear-gradient(var(--violet),var(--violet)) no-repeat left bottom/0% 1px;transition:background-size .4s var(--ease),color .25s ease}
footer nav a:hover{background-size:100% 1px}
footer nav .ext{color:var(--muted)}
footer .cr{max-width:var(--wrap);margin:56px auto 0;font-family:var(--en);font-size:11px;letter-spacing:.2em;color:rgba(0,25,26,.4)}
footer .cr a{border-bottom:1px solid transparent}
footer .cr a:hover{border-bottom-color:currentColor}

/* reveal engine */
[data-rv]{opacity:0;transform:translateY(16px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-rv].shown{opacity:1;transform:none}
[data-stagger]>*{opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-stagger].shown>*{opacity:1;transform:none}
[data-img]{clip-path:inset(100% 0 0 0);transition:clip-path 1s var(--ease)}
[data-img] img{transform:scale(1.06);transition:transform 1.4s var(--ease)}
[data-img].shown{clip-path:inset(0 0 0 0)}
[data-img].shown img{transform:scale(1)}
.split .w{display:inline-block;white-space:nowrap}
.split .ch{display:inline-block;opacity:0;transform:translateY(.45em);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.split.shown .ch{opacity:1;transform:none}
.no-js [data-rv],.no-js [data-stagger]>*,.no-js [data-img],.no-js .split .ch{opacity:1;transform:none;clip-path:none}
.no-js .hero .wrap>*{opacity:1}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  [data-rv],[data-stagger]>*,[data-img],.split .ch,.idx li,.vine li{opacity:1!important;transform:none!important;clip-path:none!important}
  [data-line]::before,.headrow::after{transform:scaleX(1)!important}
}

@media (max-width:1023px){
  .vine .origin{top:-16px}
  .two,.two.wide,.two.info,.two.form,.biz article{grid-template-columns:1fr}
  ol.steps li{grid-template-columns:72px minmax(0,1fr)}
  ol.steps .dsc{grid-column:2}
  .prod article{grid-template-columns:1fr}
  .hero .wrap{grid-template-columns:1fr;gap:clamp(40px,8vh,72px)}
  .hero .ring{right:-30vw;top:30%}
  .vine li:nth-child(n){margin-left:0}
  .vine{padding-left:22px}
}
@media (max-width:767px){
  .gnav{display:none}
  .burger{display:flex}
  .mbr{display:inline}
  ol.steps li{grid-template-columns:48px minmax(0,1fr)}
  dl.spec{grid-template-columns:1fr}
  dl.spec dt{padding-bottom:0;border-bottom:0}
  dl.spec dd{padding-top:10px}
  .hero{padding-top:110px;padding-bottom:88px}
  .ext-card{grid-template-columns:auto minmax(0,1fr)}
  .ext-card .ar{display:none}
  .cmp th,.cmp td{padding-right:12px;white-space:nowrap}
  .cmp td:not(:first-child){white-space:normal;min-width:120px}
}

/* top: four categories */
.cats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-left:1px solid var(--line)}
.cats>a{display:flex;flex-direction:column;gap:18px;padding:clamp(28px,3vw,44px) clamp(18px,2.4vw,36px) clamp(32px,4vw,52px);border-right:1px solid var(--line);position:relative;transition:background .4s ease}
.cats>a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--violet);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.cats>a:hover{color:inherit;background:rgba(80,63,153,.04)}
.cats>a:hover::after{transform:scaleX(1)}
.cats .no{font-family:var(--en);font-size:12px;letter-spacing:.24em;color:var(--muted)}
.cats .ttl{font-family:var(--en);font-size:clamp(20px,2.2vw,28px);letter-spacing:.14em;line-height:1.2}
.cats .ttl small{display:block;font-family:var(--serif);font-size:13px;letter-spacing:.14em;color:var(--muted);margin-top:8px}
.cats ul{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:14px;letter-spacing:.06em;line-height:1.8}
.cats li{position:relative;padding-left:16px}
.cats li::before{content:"";position:absolute;left:0;top:.9em;width:8px;height:1px;background:var(--teal)}
.cats .more{margin-top:auto;font-family:var(--en);font-size:12px;letter-spacing:.2em;color:var(--muted);transition:color .25s ease,transform .5s var(--ease)}
.cats>a:hover .more{color:var(--violet);transform:translateX(6px)}
@media (max-width:1023px){.cats{grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}.cats>a{border-bottom:1px solid var(--line)}}
@media (max-width:560px){.cats{grid-template-columns:1fr}}

/* English typography: Latin text needs tighter tracking than CJK */
html[lang="en"] .hero h1{letter-spacing:.03em;font-size:clamp(30px,4.4vw,62px);line-height:1.3}
html[lang="en"] .hero p.sub,html[lang="en"] .statement-lg,html[lang="en"] .lead,html[lang="en"] .body,html[lang="en"] .biz p.txt{letter-spacing:.01em}
html[lang="en"] h1.page,html[lang="en"] h2.sec,html[lang="en"] h2.side,html[lang="en"] .statement,html[lang="en"] .contact-h,html[lang="en"] .cta h2,html[lang="en"] .tagline,html[lang="en"] .biz h2,html[lang="en"] .cols h3,html[lang="en"] ol.steps .ttl,html[lang="en"] .faq .q{letter-spacing:.03em}
html[lang="en"] .vine .ja,html[lang="en"] .idx .ja{letter-spacing:.03em}
html[lang="en"] .split .w{max-width:100%}
@media (max-width:767px){html[lang="en"] .hero h1{font-size:clamp(28px,8vw,36px)}}

/* mobile header: language link beside the hamburger; language row inside the drawer */
.hd-m{display:flex;align-items:center;gap:6px}
.lang-m{display:none;font-family:var(--en);font-size:15px;letter-spacing:.14em;padding:10px 12px;min-height:44px;align-items:center;border-bottom:1px solid transparent;transition:border-color .25s ease}
.lang-m:hover{color:inherit;border-bottom-color:currentColor}
.drawer .lang-d{font-family:var(--en);font-size:18px;letter-spacing:.14em;border-bottom:0;color:var(--muted);margin-top:4px;min-height:44px}
.drawer .lang-d::before{content:"";display:inline-block;width:20px;height:1px;background:currentColor;vertical-align:middle;margin-right:12px;opacity:.6}
.drawer.open a:nth-child(6){transition-delay:.38s}
@media (max-width:767px){.lang-m{display:inline-flex}}