@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;800&family=DM+Mono:wght@400;500&family=Noto+Sans+JP:wght@400;500;700;900&display=swap');
:root{--ink:#172623;--acid:#d5f74b;--paper:#f4f3ed;--line:#b6c1b9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans JP',sans-serif}button{font:inherit;cursor:pointer}a{color:inherit}.skip{position:absolute;left:-9999px;z-index:30}.skip:focus{left:12px;top:12px;background:white;padding:12px}.demo-banner{padding:8px 20px;background:var(--ink);color:white;text-align:center;font-size:10px;line-height:1.7}header{display:flex;align-items:center;justify-content:space-between;padding:18px 4%;border-bottom:2px solid var(--ink)}.brand{text-decoration:none;display:flex;align-items:center;gap:13px;font-size:19px;font-weight:900;white-space:nowrap}.brand-symbol{width:43px;height:43px;display:grid;place-items:center;border:3px solid;font-size:27px;line-height:1}.brand small{display:block;font:9px 'DM Mono',monospace;letter-spacing:.1em}header nav{display:flex;gap:35px;font:11px 'DM Mono',monospace}header nav a{text-decoration:none}.section-id,.visual-caption,.study-photo span,.current>span,.exit>span{font:10px 'DM Mono',monospace;letter-spacing:.15em}
.hero{min-height:700px;display:grid;grid-template-columns:1fr 1fr;border-bottom:2px solid var(--ink)}.hero-copy{padding:55px 7% 60px 8%;display:flex;flex-direction:column;align-items:flex-start;position:relative}.chart{font-family:'Barlow Condensed',sans-serif;font-weight:800;line-height:.8;display:flex;flex-direction:column;align-items:flex-start;letter-spacing:-.06em;margin-top:20px}.chart span:nth-child(1){font-size:clamp(135px,14vw,240px)}.chart span:nth-child(2){font-size:clamp(96px,10vw,180px);margin-left:80px}.chart span:nth-child(3){font-size:clamp(60px,7vw,120px);margin-left:160px}.chart span:nth-child(4){font-size:clamp(32px,4vw,70px);margin-left:240px}.hero h1{font-size:clamp(34px,3.3vw,58px);letter-spacing:-.09em;line-height:1.25;margin:25px 0 15px}.hero h1 strong{font-weight:900}.hero-copy>p{font-size:12px;line-height:2;max-width:440px}.hero-copy>a{font-size:12px;text-decoration:none;border-bottom:2px solid;padding:13px 0;margin-top:20px}.hero-copy small{font-size:10px;margin-top:20px;line-height:1.7}.hero-visual{position:relative;overflow:hidden;background:var(--acid);min-height:700px;display:flex;align-items:flex-end}.hero-visual img{width:100%;height:52%;object-fit:cover;filter:grayscale(1) contrast(1.2);mix-blend-mode:multiply}.optical-ring{width:min(35vw,500px);aspect-ratio:1;position:absolute;z-index:1;top:5%;left:50%;transform:translateX(-50%);border:2px solid var(--ink);border-radius:50%;display:grid;place-items:center;box-shadow:0 0 0 30px var(--acid),0 0 0 32px var(--ink),0 0 0 62px var(--acid),0 0 0 64px var(--ink);animation:focus 6s ease-in-out infinite alternate}.ring-center{font:100px 'Barlow Condensed',sans-serif}.visual-caption{position:absolute;bottom:15px;right:20px;color:white;background:var(--ink);padding:10px}
@keyframes focus{to{transform:translateX(-50%) scale(.92)}}.study{display:grid;grid-template-columns:.7fr 1.3fr .5fr;gap:3%;padding:120px 5%;align-items:end}.study-heading{align-self:start}.study h2{font-size:clamp(50px,6vw,110px);line-height:1.1;letter-spacing:-.1em;margin:30px 0}.study-heading p{max-width:270px;font-size:12px;line-height:2}.study-photo{height:560px;position:relative;overflow:hidden;filter:grayscale(.7)}.study-photo img{width:100%;height:100%;object-fit:cover}.study-photo span{position:absolute;bottom:12px;left:12px;background:var(--acid);padding:8px}.study-forms{align-self:stretch;display:flex;flex-direction:column;justify-content:space-around;gap:20px}.study-forms span{display:flex;flex-direction:column;gap:13px;font:10px 'DM Mono',monospace;border-top:1px solid;padding-top:15px}.study-forms b{display:block;width:75%;height:75px;border:8px solid var(--ink)}.form-round{border-radius:50%}.form-square{border-radius:30%}.form-oval{border-radius:50%;transform:scaleY(.65)}
.compare{background:#d5f74b;padding:105px 5% 120px}.compare-heading{display:grid;grid-template-columns:.4fr 1fr 1fr;max-width:1440px;margin:0 auto 55px;align-items:end;gap:30px}.compare-heading h2{font-size:clamp(50px,6vw,105px);line-height:1.05;letter-spacing:-.1em;margin:0}.compare-heading p{font-size:12px;line-height:2;max-width:360px}.experiment{max-width:1440px;margin:auto;display:grid;grid-template-columns:.85fr 1.15fr;border:2px solid var(--ink)}.controls{padding:42px;border-right:2px solid var(--ink);background:var(--paper)}.control-group{border-bottom:1px solid var(--ink);padding:0 0 27px;margin-bottom:27px}.control-group h3{font-size:18px;margin:0 0 16px}.control-group h3 span{font:12px 'DM Mono',monospace;margin-right:15px}.options{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.option{background:transparent;border:1px solid var(--ink);padding:12px 8px;text-align:left;font-size:10px;line-height:1.5;min-height:70px}.option.active{background:var(--ink);color:var(--acid)}.current{padding:13px 0}.current>span{display:block}.current p{font-size:12px}.slot-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.slot-actions button,.comparison>button{background:var(--ink);color:var(--acid);border:0;padding:13px 8px;font-size:11px}.comparison{padding:42px;background:var(--ink);color:var(--paper);display:flex;flex-direction:column}.comparison .section-id{color:var(--acid)}.slots{display:grid;grid-template-columns:1fr 1fr;flex:1;margin:32px 0;border-top:1px solid #7b8980;border-bottom:1px solid #7b8980}.slot{position:relative;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.slot+.slot{border-left:1px solid #7b8980}.slot-letter{font:800 clamp(170px,18vw,330px)/1 'Barlow Condensed',sans-serif;color:#30403b;position:absolute;top:-15px;left:0}.slot .glasses,.slot p{position:relative;z-index:1}.slot p{font-size:11px;text-align:center}.comparison>button{border:1px solid var(--acid);align-self:flex-start}.comparison small{font-size:10px;margin-top:20px;line-height:1.7}.glasses{--frame-color:#8e5c39;position:relative;width:240px;max-width:100%;height:95px;margin:15px auto 5px;display:flex;align-items:center;justify-content:center;gap:14px}.glasses i{display:block;width:92px;height:67px;border:7px solid var(--frame-color);border-radius:48%;background:#ffffff22;box-shadow:inset 0 0 0 2px #fff7}.glasses b{width:26px;height:14px;border-top:7px solid var(--frame-color);border-radius:50%;margin:0 -14px;transform:translateY(-8px)}.glasses:before,.glasses:after{content:'';position:absolute;top:29px;width:28px;border-top:6px solid var(--frame-color)}.glasses:before{left:-7px;transform:rotate(-15deg)}.glasses:after{right:-7px;transform:rotate(15deg)}.shape-square i{border-radius:32%}.shape-oval i{height:52px;border-radius:50%}
.exit{padding:120px 20px;text-align:center}.exit h2{font-size:clamp(50px,6vw,100px);line-height:1.15;letter-spacing:-.1em;margin:20px}.exit p{font-size:11px;line-height:2}.exit a{display:inline-block;margin-top:23px;border-bottom:2px solid;text-decoration:none;padding:8px;font-size:12px}footer{display:flex;justify-content:space-between;background:var(--ink);color:white;padding:25px 4%;font:10px 'DM Mono',monospace}footer a{text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #fb6c36;outline-offset:3px}
@media(max-width:1000px){.hero{grid-template-columns:1fr}.hero-visual{min-height:420px}.hero-visual img{height:80%}.optical-ring{width:280px}.hero-copy{padding:45px 6%}.chart span:nth-child(1){font-size:160px}.chart span:nth-child(2){font-size:130px}.chart span:nth-child(3){font-size:100px}.chart span:nth-child(4){font-size:65px}.study{grid-template-columns:1fr 2fr}.study-forms{grid-column:1/-1;flex-direction:row}.study-forms span{flex:1}.compare-heading{grid-template-columns:1fr 2fr}.compare-heading p{grid-column:2}.experiment{grid-template-columns:1fr}.controls{border-right:0;border-bottom:2px solid var(--ink)}}@media(max-width:600px){header{padding:13px 4%}.brand{font-size:14px}.brand small{font-size:7px}.brand-symbol{width:32px;height:32px;font-size:18px}header nav a:not(:last-child){display:none}.hero-copy{padding:35px 5%}.chart{width:100%}.chart span:nth-child(1){font-size:130px}.chart span:nth-child(2){font-size:100px;margin-left:55px}.chart span:nth-child(3){font-size:75px;margin-left:95px}.chart span:nth-child(4){font-size:48px;margin-left:150px}.hero h1{font-size:38px}.hero-visual{min-height:370px}.optical-ring{width:220px}.study{padding:75px 5%;display:block}.study h2{font-size:60px}.study-photo{height:380px;margin:40px 0}.study-forms b{height:40px;border-width:5px}.compare{padding:70px 4%}.compare-heading{display:block}.compare-heading h2{font-size:60px;margin:15px 0}.controls,.comparison{padding:24px}.option{min-height:75px;padding:7px;font-size:10px}.slots{margin:25px 0}.slot{min-height:200px}.slot-letter{font-size:150px}.slot .glasses{transform:scale(.62);width:220px;margin:0 -35px}.slot p{font-size:9px;line-height:1.5;padding:0 5px}.exit{padding:90px 20px}footer{gap:10px;flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.optical-ring{animation:none}}
/* The display photograph leads; the dark catalogue rail sits across its foot. */
.hero{position:relative;display:block;min-height:690px;overflow:hidden;background:#d9d0bd}
.hero-visual{position:absolute;inset:0;min-height:0;display:block;background:#d9d0bd}
.hero-visual img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 52%;filter:none;mix-blend-mode:normal}
.visual-caption{top:22px;right:3%;bottom:auto;background:var(--ink);color:var(--acid)}
.hero-copy{position:absolute;z-index:1;left:0;right:0;bottom:0;display:grid;grid-template-columns:minmax(260px,1.05fr) minmax(260px,.95fr);align-items:end;gap:4%;padding:25px 4% 30px;background:var(--ink);color:var(--paper)}
.hero-name .section-id{color:var(--acid)}
.hero h1{font-size:clamp(70px,8.8vw,150px);line-height:1;letter-spacing:-.1em;margin:10px 0 0;white-space:nowrap}
.hero-intro{display:grid;grid-template-columns:1fr auto;column-gap:24px;align-items:end}
.hero-intro p{grid-column:1/-1;font-size:13px;line-height:1.9;max-width:600px;margin:0 0 14px}
.hero-intro a{font-size:13px;font-weight:700;text-decoration:none;border-bottom:2px solid var(--acid);padding:0 0 9px;color:var(--acid)}
.hero-intro small{font-size:10px;line-height:1.6;max-width:250px}
@media(max-width:900px){.hero{min-height:680px}.hero-copy{grid-template-columns:1fr;gap:12px}.hero h1{font-size:clamp(64px,12vw,106px)}.hero-intro{grid-template-columns:1fr auto}}
@media(max-width:600px){.hero{min-height:660px}.hero-visual img{object-position:47% center}.hero-copy{padding:23px 5% 26px;gap:14px}.hero h1{font-size:clamp(65px,20vw,90px)}.hero-intro{display:block}.hero-intro p{font-size:11px;line-height:1.7;margin-bottom:9px}.hero-intro a{display:inline-block;padding-bottom:6px}.hero-intro small{display:block;margin-top:11px;font-size:9px}.visual-caption{top:12px;right:12px;font-size:8px}}