:root{
  --space:#070b09; --ink:#141b17; --forest:#1e6b48; --moss:#7fd1a2; --amber:#d9a441; --paper:#f2efe7; --paper2:#e9e4d8;
  --mute:#5d6862; --line:#d4cfc2; --white:#f4f7f3;
  --serif:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",serif;
  --en:"Instrument Serif","Times New Roman",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --pad:clamp(20px,5vw,72px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{font-family:var(--sans);color:var(--ink);background:var(--space);line-height:1.9;letter-spacing:.03em;font-feature-settings:"palt" 0;font-size:clamp(15px,1.05vw,17px);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
.nw{white-space:nowrap}
.mono{font-family:var(--mono);letter-spacing:.04em}
.pc{display:inline}
@media (max-width:720px){.pc{display:none}}

/* grain: a little analog texture so it doesn't look machine-flat */
.grain{position:fixed;inset:-50%;pointer-events:none;z-index:50;opacity:.07;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;gap:28px;padding:18px var(--pad);color:var(--white);mix-blend-mode:difference}
.logo{font-family:var(--mono);font-weight:500;letter-spacing:.35em;text-decoration:none;font-size:15px}
.nav nav{display:flex;gap:26px;margin-left:auto;font-size:13px}
.nav nav a{text-decoration:none;opacity:.8}
.nav nav a:hover{opacity:1}
.nav-cta{font-size:13px;text-decoration:none;border:1px solid currentColor;border-radius:999px;padding:6px 16px}
@media (max-width:900px){.nav nav{display:none}.nav-cta{margin-left:auto}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--moss);color:var(--space);text-decoration:none;font-weight:700;border-radius:999px;padding:14px 26px;font-size:15px;transition:transform .4s cubic-bezier(.2,.8,.2,1),background .3s}
.btn:after{content:"→";transition:transform .4s}
.btn:hover{transform:translateY(-2px)}
.btn:hover:after{transform:translateX(4px)}
.btn.ghost{background:transparent;color:var(--white);border:1px solid rgba(244,247,243,.4)}
.btn.ghost:after{content:"↓"}
.btn.big{font-size:18px;padding:18px 34px}

/* common */
.wrap{max-width:1240px;margin:0 auto;padding:0 var(--pad)}
.paper{background:var(--paper);color:var(--ink)}
.sec-no{font-family:var(--mono);font-size:13px;letter-spacing:.12em;color:var(--forest);margin-bottom:18px}
.sec-no.light{color:var(--moss)}
.sec-title{font-family:var(--serif);font-weight:700;font-size:clamp(30px,4.4vw,60px);line-height:1.35;letter-spacing:.02em}
.sec-title.light{color:var(--white)}
.sec-lead{margin-top:24px;max-width:46em;font-size:clamp(16px,1.25vw,19px);color:#2f3a34}
.sec-lead.light{color:#c8d3cc}
.note{margin-top:22px;font-size:13px;color:var(--mute)}
.note.light{color:#8fa197}
.split{will-change:clip-path,transform}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;color:var(--white);background:radial-gradient(120% 90% at 75% 40%,#10241a 0%,var(--space) 60%)}
.stars{position:absolute;inset:0;width:100%;height:100%}
.hero-visual{position:absolute;right:-6vw;top:50%;transform:translateY(-50%);width:min(64vw,920px);aspect-ratio:1239/1536;-webkit-mask-image:radial-gradient(closest-side,#000 62%,transparent 100%);mask-image:radial-gradient(closest-side,#000 62%,transparent 100%)}
.hero-earth{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-inner{position:relative;z-index:2;padding:120px var(--pad) 90px;max-width:900px}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--moss)}
.hero-title{font-family:var(--serif);font-weight:900;font-size:clamp(40px,6.4vw,100px);line-height:1.12;letter-spacing:.02em;margin-top:22px}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero-title .line>span{display:inline-block;white-space:nowrap}
.hero-lead{margin-top:30px;font-size:clamp(15px,1.25vw,18px);line-height:2;color:#cdd8d1;max-width:40em}
.hero-cta{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px}
.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);font-family:var(--mono);font-size:11px;letter-spacing:.3em;color:#8fa197;display:flex;flex-direction:column;align-items:center;gap:10px}
.scroll-hint span{width:1px;height:44px;background:linear-gradient(var(--moss),transparent);animation:drip 2.2s ease-in-out infinite;transform-origin:top}
@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
@media (max-width:720px){.hero-visual{right:-30vw;width:110vw;opacity:.55}}

/* why */
.why{padding:clamp(100px,14vw,200px) 0}
.walls{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,36px);margin-top:clamp(48px,6vw,90px);counter-reset:w}
.wall{border-top:1px solid var(--ink);padding-top:22px}
.wall-no{font-family:var(--mono);font-size:13px;color:#a8432f}
.wall h3{font-family:var(--serif);font-size:clamp(20px,2vw,28px);line-height:1.45;margin-top:14px}
.wall p{margin-top:14px;color:#3a4540;font-size:15px}
.statement{margin-top:clamp(56px,7vw,110px);font-family:var(--serif);font-size:clamp(20px,2.4vw,34px);line-height:1.7;font-weight:700}
.statement em{font-style:normal;background:linear-gradient(transparent 62%,rgba(127,209,162,.55) 62%)}
@media (max-width:820px){.walls{grid-template-columns:1fr}}

/* how */
.how{position:relative;background:var(--space);color:var(--white)}
.how-pin{position:relative;height:100svh;overflow:hidden}
.how-stage{position:absolute;inset:0}
.how-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.how-orbit{object-fit:contain;background:#000;transform-origin:50% 60%}
.how-forest{position:absolute;inset:0;opacity:0}
.how-grid{position:absolute;inset:0;width:100%;height:100%}
.how-hands{opacity:0;object-position:50% 40%}
.how-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,11,9,.92) 0%,rgba(7,11,9,.75) 34%,rgba(7,11,9,.05) 70%)}
.how-copy{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;padding:0 var(--pad);max-width:620px}
.how-title{font-family:var(--serif);font-weight:900;font-size:clamp(30px,3.9vw,56px);line-height:1.3;white-space:nowrap}
.how-steps{list-style:none;margin-top:36px;position:relative;min-height:190px}
.how-step{position:absolute;inset:0 0 auto 0;opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}
.how-step.is-on{opacity:1;transform:none}
.how-step .mono{font-size:13px;color:var(--moss)}
.how-step p{margin-top:10px;font-size:clamp(15px,1.2vw,18px);color:#d6e0d9;line-height:1.9}
.scale{display:flex;align-items:center;gap:12px;margin-top:20px;font-family:var(--mono);font-size:12px;color:#8fa197}
.scale i{flex:1;height:1px;background:#2c3a33;position:relative;overflow:hidden}
.scale b{position:absolute;inset:0;background:var(--moss);transform-origin:left;transform:scaleX(0)}
@media (max-width:720px){.how-shade{background:linear-gradient(0deg,rgba(7,11,9,.95) 30%,rgba(7,11,9,.2) 80%)}.how-copy{justify-content:flex-end;padding-bottom:60px}}

/* gda */
.gda{padding:clamp(100px,13vw,190px) 0}
.kana{font-family:var(--serif);color:var(--mute);margin-top:6px;letter-spacing:.1em}
.browser{margin-top:clamp(40px,5vw,72px);border-radius:14px;overflow:hidden;background:#11181a;box-shadow:0 40px 80px -30px rgba(20,27,23,.45),0 0 0 1px rgba(20,27,23,.08);transform-origin:50% 0}
.browser-bar{display:flex;align-items:center;gap:7px;padding:11px 16px;background:#1b2427}
.browser-bar i{width:10px;height:10px;border-radius:50%;background:#3a4549}
.browser-bar span{margin-left:12px;font-family:var(--mono);font-size:11px;color:#8b989b}
.browser-view{position:relative;aspect-ratio:1600/1000}
.shot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.025);transition:opacity .8s ease,transform 1.4s cubic-bezier(.2,.8,.2,1)}
.shot.is-on{opacity:1;transform:none}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.tab{all:unset;cursor:pointer;border-top:2px solid var(--line);padding:16px 4px 0;font-weight:700;font-size:15px;line-height:1.5;position:relative}
.tab .mono{display:block;font-size:12px;color:var(--mute);font-weight:400}
.tab small{display:block;font-weight:400;font-size:13px;color:var(--mute);margin-top:6px;line-height:1.7}
.tab:before{content:"";position:absolute;left:0;top:-2px;height:2px;width:0;background:var(--forest)}
.tab.is-on:before{animation:tabfill 5s linear forwards}
.tab.is-on .mono{color:var(--forest)}
.tab:focus-visible{outline:2px solid var(--forest);outline-offset:4px}
@keyframes tabfill{to{width:100%}}
.legend{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;margin-top:44px;padding:20px 24px;background:var(--paper2);border-radius:10px;font-size:14px}
.legend span{display:flex;align-items:center;gap:8px}
.legend i{width:14px;height:14px;border-radius:3px;display:inline-block}
.legend p{flex-basis:100%;font-size:14px;color:#3a4540}
@media (max-width:900px){.tabs{grid-template-columns:1fr 1fr}}

/* ubusuna */
.ubusuna{background:radial-gradient(90% 70% at 20% 10%,#12352a 0%,#0b1a14 55%,var(--space) 100%);color:var(--white);overflow:hidden}
.ub-pin{min-height:100svh;padding:clamp(90px,10vw,140px) 0 60px;display:flex;flex-direction:column;justify-content:center}
.ub-head{padding:0 var(--pad);max-width:860px}
.ub-name{margin-top:14px;font-family:var(--serif);color:var(--moss)}
.ub-track{display:flex;gap:clamp(22px,3vw,48px);padding:clamp(40px,5vw,64px) var(--pad) 0;width:max-content}
.phone{width:clamp(220px,19vw,280px);flex:none}
.phone img{width:100%;aspect-ratio:9/16;object-fit:cover;object-position:top;border-radius:30px;border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 60px -20px rgba(0,0,0,.7)}
.phone figcaption{margin-top:18px;font-weight:700;font-size:16px}
.phone figcaption .mono{display:block;color:var(--moss);font-size:12px;font-weight:400}
.phone figcaption small{display:block;font-weight:400;font-size:13.5px;color:#b8c6be;line-height:1.75;margin-top:6px}
.ub-note{padding:0 var(--pad)}
@media (max-width:720px){.ub-track{width:auto;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}.phone{scroll-snap-align:start;width:72vw}}

/* loop */
.loop{padding:clamp(100px,13vw,190px) 0}
.loop-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}
.loop-fig{position:relative;aspect-ratio:1;max-width:520px;width:100%;justify-self:center}
.loop-svg{width:100%;height:100%;overflow:visible}
.loop-track{fill:none;stroke:var(--line);stroke-width:1.5}
.loop-draw{fill:none;stroke:var(--forest);stroke-width:2.5;stroke-dasharray:943;stroke-dashoffset:943;transform:rotate(-90deg);transform-origin:200px 200px}
.loop-dot{fill:var(--amber)}
#loopDot{transform-origin:200px 200px}
.loop-nodes{list-style:none;position:absolute;inset:0}
.loop-nodes li{position:absolute;left:50%;top:50%;width:130px;margin:-22px 0 0 -65px;text-align:center;transform:rotate(var(--a)) translate(clamp(120px,15vw,190px)) rotate(calc(-1*var(--a)));font-size:14px;line-height:1.4}
.loop-nodes b{display:block;background:var(--paper);padding:2px 4px}
.loop-nodes small{font-family:var(--mono);font-size:11px;color:var(--forest)}
@media (max-width:900px){.loop-wrap{grid-template-columns:1fr}.loop-nodes li{font-size:12px;width:100px;margin-left:-50px}}

/* vision */
.vision{position:relative;background:var(--space);color:var(--white);padding:clamp(120px,16vw,240px) 0;overflow:hidden}
.vision-wrap{position:relative;z-index:2}
.vision-title{font-family:var(--serif);font-weight:900;font-size:clamp(34px,5.6vw,80px);line-height:1.3}
.vision-body{margin-top:clamp(40px,5vw,70px);max-width:40em;display:flex;flex-direction:column;gap:20px;color:#c8d3cc;font-size:clamp(15px,1.15vw,18px);line-height:2.05}
.vision-body .sign{font-family:var(--serif);color:var(--moss);margin-top:10px}

/* contact */
.contact{padding:clamp(100px,13vw,190px) 0}
.ask{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,60px);margin:clamp(40px,5vw,70px) 0}
.ask h3{font-family:var(--serif);font-size:20px;border-bottom:1px solid var(--ink);padding-bottom:12px}
.ask ul{list-style:none;margin-top:14px}
.ask li{padding:10px 0;border-bottom:1px solid var(--line)}
@media (max-width:760px){.ask{grid-template-columns:1fr}}

/* footer */
.foot{background:var(--space);color:#8fa197;padding:50px 0;font-size:12.5px}
.foot-wrap{display:flex;flex-wrap:wrap;gap:16px 40px;align-items:center}
.foot .logo{color:var(--white)}
.foot p:first-of-type{flex:1;min-width:260px}

/* reduced motion: show everything, no pinning */
@media (prefers-reduced-motion:reduce){
  .grain{animation:none}
  .how-pin{height:auto;min-height:100svh}
  .how-step{position:static;opacity:1;transform:none;margin-bottom:18px}
  .how-forest,.how-hands{opacity:0}
  .shot{transition:none}
  .tab.is-on:before{animation:none;width:100%}
}
.loop .sec-title{font-size:clamp(28px,3.3vw,48px)}

/* ---------- typography pass ---------- */
h1,h2,h3,.statement,.how-title,.vision-title{font-feature-settings:"palt" 1;word-break:auto-phrase;text-wrap:balance}
p,li,small,figcaption{word-break:auto-phrase;line-break:strict}
.en{font-family:var(--en);font-style:italic;font-weight:400;letter-spacing:0}
.logo{font-family:var(--en)!important;font-style:normal;letter-spacing:.32em!important;font-size:20px!important;font-weight:400!important}
.eyebrow{display:flex;flex-direction:column;gap:6px;letter-spacing:.08em}
.eyebrow .en{font-size:clamp(20px,1.9vw,28px);color:var(--moss);letter-spacing:.01em}
.eyebrow span{font-family:var(--mono);font-size:12px;color:#9fb3a6;letter-spacing:.16em}
.hero-title{font-weight:800;letter-spacing:.04em;line-height:1.18}
.sec-no{display:flex;align-items:baseline;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.16em}
.sec-no .en{font-size:30px;line-height:1;color:inherit}
.sec-title{font-weight:700;letter-spacing:.05em;line-height:1.42}
.en-title{font-family:var(--en);font-weight:400;font-size:clamp(46px,6.6vw,96px);letter-spacing:-.01em;line-height:1.05}
.en-title em{font-style:italic;color:var(--forest)}
.kana{font-family:var(--serif);font-weight:500;letter-spacing:.2em;font-size:15px}
.ub-en{font-size:.7em;color:var(--moss);margin-left:.3em}
.wall-no{font-family:var(--en);font-style:italic;font-size:54px;line-height:1;color:#a8432f;letter-spacing:0}
.wall h3{font-weight:700;letter-spacing:.05em}
.statement{font-weight:600;letter-spacing:.05em}
.how-title{font-weight:800;letter-spacing:.04em}
.how-step .mono,.tab .mono,.phone figcaption .mono{font-family:var(--en);font-style:italic;font-size:20px;letter-spacing:0;line-height:1.2}
.vision-en .en{font-size:clamp(22px,2.4vw,36px);color:var(--moss)}
.vision-title{font-weight:800;letter-spacing:.05em;margin-top:14px}
.vision-body .sign{font-weight:500;letter-spacing:.06em}
.ask h3{font-weight:700;letter-spacing:.06em}
.loop-nodes b{font-family:var(--serif);font-weight:700;letter-spacing:.04em}
.btn{font-family:var(--sans);letter-spacing:.08em;font-weight:700}
.sec-lead,.hero-lead,.vision-body{font-weight:400}
@media (max-width:720px){
  .nw{white-space:normal}
  .en-title{font-size:clamp(40px,12vw,56px)}
  .sec-no{flex-wrap:wrap;row-gap:4px}
  .eyebrow .en{font-size:18px}
}
/* ---------- ubusuna, larger and told as a story ---------- */
.ub-pillars{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,28px);margin-top:28px;max-width:860px}
.ub-pillars li{border-top:1px solid rgba(255,255,255,.18);padding-top:14px}
.ub-pillars b{display:block;font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.08em;color:#e8efe9}
.ub-pillars span{display:block;margin-top:6px;font-size:14px;line-height:1.8;color:#b8c6be}
.phone{width:clamp(250px,23vw,330px)}
@media (max-width:720px){.ub-pillars{grid-template-columns:1fr}.phone{width:78vw}}
/* ---------- contact form ---------- */
.form{display:grid;gap:20px;max-width:720px;margin-top:10px}
.f-row{display:grid;gap:8px}
.f-row label{font-weight:700;font-size:15px;letter-spacing:.04em}
.f-row label em{font-style:normal;font-size:11px;font-weight:500;margin-left:10px;padding:2px 8px;border-radius:99px;background:#1f3d2e;color:#eef3ef;letter-spacing:.08em;vertical-align:2px}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);background:#fbfaf6;border:1px solid #cfcabd;border-radius:10px;padding:13px 14px;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--forest);box-shadow:0 0 0 3px rgba(31,122,77,.18)}
.form textarea{resize:vertical;min-height:150px}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.f-note{font-size:13px;color:#5d6a62}
.form .btn{justify-self:start;border:0;cursor:pointer}
.form .btn[disabled]{opacity:.6;cursor:wait}
.f-status{min-height:1.6em;font-weight:700}
.f-status.ok{color:var(--forest)}.f-status.ng{color:#a8432f}
.hero-concept{font-family:var(--serif);font-weight:600;font-size:clamp(17px,1.6vw,21px);letter-spacing:.06em;color:#e8efe9;margin-top:clamp(18px,2.4vw,30px);font-feature-settings:"palt" 1}
.hero-concept + .hero-lead{margin-top:14px}
/* keep the pinned ubusuna section inside one screen: copy on the left, pillars on the right */
@media (min-width:1000px){
  .ub-head{max-width:none;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);column-gap:clamp(40px,5vw,90px);align-items:end}
  .ub-head .sec-no,.ub-head .sec-title{grid-column:1}
  .ub-head .sec-lead{grid-column:1}
  .ub-pillars{grid-column:2;grid-row:1 / span 3;align-self:end;grid-template-columns:1fr;gap:12px;margin-top:0}
  .ub-pillars li{display:grid;grid-template-columns:70px 1fr;align-items:baseline;padding-top:10px}
  .ub-pillars span{margin-top:0}
  .ub-name{grid-column:1 / -1}
  .ub-track{padding-top:clamp(28px,3vw,44px)}
  .phone{width:clamp(220px,min(21vw,calc((100svh - 420px) * .5625)),320px)}
}
#why-title{font-size:clamp(28px,3.4vw,50px)}
/* head scrolls normally; only the phones are pinned, so they always fit one screen */
.ubusuna>.ub-head{padding-top:clamp(100px,11vw,160px)}
.ub-pin{min-height:100svh;padding:clamp(40px,6vh,70px) 0 40px}
.ub-track{padding-top:0}
@media (min-width:1000px){.phone{width:clamp(220px,min(22vw,calc((100svh - 260px) * .5625)),330px)}}
/* ================= mobile pass (2026-11-14) ================= */
/* headings break only between phrases (iOS Safari ignores auto-phrase) */
.w{display:inline-block}
/* nav: a frosted bar once you scroll, light or dark to match the section below it */
.nav{mix-blend-mode:normal;padding-top:calc(16px + env(safe-area-inset-top,0px));padding-bottom:16px;transition:background-color .35s ease,color .35s ease,border-color .35s ease;border-bottom:1px solid transparent}
.nav.is-scrolled{background:rgba(8,13,11,.66);-webkit-backdrop-filter:blur(14px) saturate(150%);backdrop-filter:blur(14px) saturate(150%);border-bottom-color:rgba(255,255,255,.07)}
.nav.is-scrolled.on-light{background:rgba(242,239,231,.84);color:var(--ink);border-bottom-color:rgba(20,27,23,.08)}
.f-hint{display:block;font-weight:400;font-size:12.5px;color:var(--mute);margin-top:2px;letter-spacing:.02em}
@media (max-width:720px){
  .nav{padding-top:calc(12px + env(safe-area-inset-top,0px));padding-bottom:12px}
  .sec-title{font-size:clamp(25px,7.2vw,32px);line-height:1.5}
  #why-title{font-size:clamp(24px,6.9vw,30px)}
  .statement{font-size:clamp(19px,5.4vw,23px);line-height:1.75}
  .vision-title{font-size:clamp(28px,8.4vw,36px);line-height:1.45}
  .en-title{font-size:clamp(40px,11.5vw,52px)}
  /* GDA: crop to the interesting part so the screen is readable on a phone */
  .browser-view{aspect-ratio:1/1}
  .shot{object-position:var(--focus,50% 50%)}
  .tabs{grid-template-columns:1fr;gap:0;margin-top:18px}
  .tab{display:grid;grid-template-columns:42px 1fr;column-gap:4px;padding:14px 0 14px;border-top:1px solid var(--line)}
  .tab .mono{grid-row:1 / span 2;font-size:22px}
  .tab small{grid-column:2;margin-top:4px}
  .tab:not(.is-on) small{display:none}
  /* loop: a numbered vertical flow instead of a circle */
  .loop-fig{aspect-ratio:auto!important;height:auto!important;max-width:none}
  .loop-svg{display:none}
  .loop-nodes{position:static;display:grid;gap:0;counter-reset:lp;margin-top:8px}
  .loop-nodes li{position:relative;left:auto;top:auto;width:auto;margin:0;transform:none!important;text-align:left;font-size:16px;padding:14px 0 14px 54px;border-bottom:1px solid var(--line);counter-increment:lp}
  .loop-nodes li:before{content:counter(lp);position:absolute;left:0;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:50%;border:1.5px solid var(--forest);color:var(--forest);font-family:var(--en);font-style:italic;font-size:18px;display:grid;place-items:center}
  .loop-nodes li:last-child:after{content:"↻ 1に戻る";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:12px;color:var(--forest);font-family:var(--sans)}
  .loop-nodes b{display:inline;background:none;padding:0}
  .loop-nodes small{display:inline;margin-left:10px;font-size:12px}
  .phone figcaption{font-size:17px}
  .phone figcaption small{font-size:14px}
}
@media (max-width:720px){
  /* zoom into each GDA screen so its text is legible at phone size */
  .shot{transform-origin:var(--focus,50% 50%)}
  .shot.is-on{transform:scale(1.5)}
  .swipe-hint{display:flex}
}
.swipe-hint{display:none;align-items:center;gap:10px;padding:18px var(--pad) 0;font-size:13px;color:#9fb3a6;letter-spacing:.06em}
.swipe-hint i{display:block;width:34px;height:1px;background:currentColor;position:relative;animation:swipe 1.8s ease-in-out infinite}
.swipe-hint i:after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
@keyframes swipe{0%,100%{transform:translateX(0)}50%{transform:translateX(8px)}}
@media (prefers-reduced-motion:reduce){.swipe-hint i{animation:none}}