@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&display=swap');
:root{--paper:#f3f0e8;--ink:#292923;--accent:#c96646;--muted:#72736b;--line:#29292325}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-snap-type:none}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;transition:background 1s,color 1s}body.dark{--paper:#252a26;--ink:#f3f0e8;--muted:#b9beb5;--line:#f3f0e835}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px}#field{position:fixed;inset:0;width:100%;height:100%;pointer-events:none}.signature{position:fixed;left:4%;top:32px;z-index:5;font-size:24px;font-weight:600;letter-spacing:-1px}.signature span{display:block;font-size:10px;letter-spacing:2px;font-weight:400;margin-top:5px}#motion{position:fixed;right:4%;top:34px;background:transparent;border:1px solid var(--line);border-radius:30px;padding:9px 13px;font-size:11px;z-index:5}nav{position:fixed;right:4%;top:50%;transform:translateY(-50%);display:grid;gap:18px;z-index:5}nav a{font-size:10px;color:var(--muted);padding:8px;position:relative}nav a:after{content:'';position:absolute;right:-6px;top:12px;width:4px;height:4px;border-radius:50%;background:currentColor;transition:transform .5s}nav a.active{color:var(--accent)}nav a.active:after{transform:scale(2)}section{position:relative;min-height:110svh;padding:130px 9% 140px;display:flex;align-items:center;scroll-snap-align:start}.content{position:relative;z-index:2;width:70%;opacity:0;transform:translateY(65px) rotate(1deg);transition:opacity .9s,transform 1.3s cubic-bezier(.16,1,.3,1)}section.active .content{opacity:1;transform:none}#origin{min-height:100svh}#origin .content{width:100%}.kicker{font-size:11px;color:var(--muted);letter-spacing:2px;margin:0 0 35px}h1,h2{font-family:Georgia,serif;font-weight:400;line-height:1.02;letter-spacing:-5px;font-size:clamp(60px,7.4vw,112px);margin:0}h1{font-size:clamp(80px,11vw,165px);line-height:.94;letter-spacing:-7px}h1>span{display:inline-block;margin-left:7vw}em{color:var(--accent);font-weight:400}.intro{font-size:17px;line-height:1.8;color:var(--muted);max-width:420px;margin:32px 0 0}.jp{font-size:12px;color:var(--muted);letter-spacing:2px;margin-top:23px}#origin .intro,#origin .jp{margin-left:7vw}.explore{display:flex;align-items:center;gap:15px;letter-spacing:1.6px;font-size:10px;margin:40px 0 0 7vw;width:fit-content}.explore i{width:18px;height:30px;border:1px solid var(--muted);border-radius:15px;position:relative}.explore i:after{content:'';position:absolute;width:2px;height:7px;background:var(--accent);left:7px;top:5px;animation:scroll 1.7s infinite}.label{position:absolute;z-index:2;border:1px solid var(--line);border-radius:30px;padding:10px 15px;font-size:10px;letter-spacing:1px;background:#f3f0e8b0;backdrop-filter:blur(8px);animation:float 6s ease-in-out infinite}.a{right:20%;top:23%}.b{right:8%;top:56%;animation-delay:-2s}.c{right:26%;bottom:18%;animation-delay:-4s}.hint{position:absolute;right:9%;bottom:8%;font-size:11px;line-height:1.7;color:var(--muted)}.controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:32px}.controls button{border:1px solid var(--line);background:transparent;border-radius:30px;padding:12px 18px;font-size:13px;transition:background .3s,color .3s,transform .3s}.controls button:hover{transform:translateY(-4px)}.controls button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.context{font-size:13px;color:var(--muted);max-width:430px;line-height:1.6;min-height:42px}.caption{position:absolute;bottom:95px;left:9%;font-size:10px;letter-spacing:1.6px;color:var(--muted)}.corner{position:fixed;left:4%;bottom:30px;z-index:5;font-size:9px;line-height:1.7;color:var(--muted);letter-spacing:1px}.chapter{position:fixed;right:4%;bottom:30px;z-index:5;font-size:9px;color:var(--muted);display:flex;gap:20px;letter-spacing:1px}details{max-width:440px;margin-top:25px}summary{list-style:none;display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:17px 0;font-size:15px;cursor:pointer}summary::-webkit-details-marker{display:none}summary span{font-size:22px;color:var(--accent);transition:transform .4s}details[open] summary span{transform:rotate(45deg)}dl{margin:0;animation:unfold .5s}dl div{padding:16px 0;border-bottom:1px solid var(--line)}dt{font-size:10px;color:var(--muted);letter-spacing:1px;margin-bottom:9px}dd{margin:0;font-size:14px;line-height:1.7}dd small{display:block;font-size:12px;color:var(--muted)}.restart{display:inline-block;padding:8px 0;border-bottom:1px solid var(--accent);font-size:13px;margin-top:10px}#tokyo h2{font-size:clamp(54px,6.5vw,100px)}#tokyo:has(details[open]){min-height:135svh}body.paused *,body.paused *:after{animation-play-state:paused!important}@keyframes scroll{50%{transform:translateY(10px);opacity:.3}}@keyframes float{50%{transform:translateY(-18px)}}@keyframes unfold{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}@media(max-width:700px){.signature{left:6%;top:24px;font-size:21px}#motion{right:6%;top:24px;font-size:10px}section{padding:140px 8%;min-height:100svh}.content{width:100%}h1{font-size:clamp(65px,15vw,105px);letter-spacing:-4px}h1>span{margin-left:0}h2{font-size:clamp(46px,11vw,76px);letter-spacing:-2.7px}.intro{font-size:15px;max-width:300px}#origin .intro,#origin .jp,.explore{margin-left:0}.intro br{display:none}.kicker{font-size:9px;letter-spacing:1.5px}.label{font-size:8px;padding:8px 10px}.a{top:18%;right:10%}.b{top:auto;bottom:20%;right:7%}.c,.hint{display:none}nav{right:3%;gap:12px}nav a{font-size:8px}.chapter{right:6%;bottom:22px;font-size:8px;gap:10px}.corner{left:6%;bottom:22px;font-size:8px}.caption{bottom:85px;left:8%;font-size:8px;max-width:75%;line-height:1.7}.controls{gap:6px}.controls button{font-size:11px;padding:11px 12px}#tokyo h2{font-size:clamp(43px,10vw,68px)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:after{animation:none!important;transition:none!important}.content{opacity:1;transform:none}}

.contact{margin-top:32px}.contact .kicker{margin-bottom:12px}.contact>a{display:inline-block;font-size:clamp(20px,2.5vw,30px);letter-spacing:-.5px;border-bottom:1px solid var(--accent);padding-bottom:5px;transition:color .3s,transform .3s}.contact>a:hover{color:var(--accent);transform:translateX(4px)}
.signature{display:flex;align-items:center;gap:13px;letter-spacing:0;top:26px}.signature>span.brand-mark{display:grid;place-items:center;width:61px;height:61px;background:var(--accent);color:#f3f0e8;border-radius:3px;font:italic 55px/.8 Georgia,serif;letter-spacing:-5px;margin:0;position:relative;transform:rotate(-8deg);transition:transform .6s cubic-bezier(.2,.8,.2,1),border-radius .6s}.signature .brand-mark>span{position:absolute;right:5px;top:8px;font:19px/1 Georgia,serif;letter-spacing:0;margin:0;color:#f3f0e8;animation:brand-spin 18s linear infinite}.signature>span.brand-type{margin:0;display:block}.brand-type strong{display:block;font-size:22px;line-height:.85;font-weight:600;letter-spacing:-1.3px}.brand-type .brand-period{display:inline;font:inherit;color:var(--accent);letter-spacing:inherit;margin:0}.brand-type .brand-location{display:flex;align-items:center;gap:7px;font-size:8px;letter-spacing:1.4px;margin-top:8px}.brand-location i{display:block;width:14px;height:1px;background:var(--accent)}.signature:hover .brand-mark{transform:rotate(8deg);border-radius:18px}.signature:hover .brand-mark>span{animation-duration:3s}@keyframes brand-spin{to{transform:rotate(360deg)}}@media(max-width:700px){.signature{top:21px;gap:9px}.signature>span.brand-mark{width:46px;height:46px;font-size:43px}.signature .brand-mark>span{font-size:15px;top:5px;right:4px}.brand-type strong{font-size:17px;letter-spacing:-1px}.brand-type .brand-location{font-size:7px;margin-top:6px;letter-spacing:1px}}
/* Mobile reading and touch layout */
@media(max-width:700px){html{scroll-padding-top:100px}body{overflow-x:clip}.signature{left:24px;top:calc(20px + env(safe-area-inset-top))}#motion{right:20px;top:calc(20px + env(safe-area-inset-top));min-height:44px;min-width:44px;font-size:12px;padding:10px 13px;background:var(--paper)}section,#origin{min-height:100svh;padding:140px 24px 125px;align-items:center}.content,section.active .content{width:100%;opacity:1;transform:none}.content{transition:none}h1{font-size:clamp(54px,14.4vw,98px);letter-spacing:-3px;line-height:1.03}h1>span{display:block;max-width:100%}h2{font-size:clamp(42px,10.8vw,70px);letter-spacing:-2px;line-height:1.08}#tokyo h2{font-size:clamp(40px,10.3vw,66px)}.intro{font-size:16px;line-height:1.75;max-width:100%;margin-top:25px}.kicker{font-size:11px;letter-spacing:1.3px;line-height:1.6;margin-bottom:24px}.jp{font-size:12px;line-height:1.7}.controls{gap:8px;margin-top:26px}.controls button{min-height:44px;font-size:14px;padding:10px 14px}.controls button:hover{transform:none}.context{font-size:14px;min-height:0;line-height:1.7}.explore{font-size:11px;min-height:44px;margin-top:28px}.label,.hint,.corner,.chapter{display:none}nav{left:50%;right:auto;top:auto;bottom:calc(12px + env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:3px;padding:5px 9px;border:1px solid var(--line);border-radius:40px;background:var(--paper);box-shadow:0 4px 24px #0000000c}nav a{width:44px;height:44px;display:grid;place-items:center;padding:0;font-size:13px;border-radius:50%;transition:background .3s,color .3s}nav a:after{display:none}nav a.active{background:var(--ink);color:var(--paper)}.caption{position:static;margin:28px 0 0;font-size:10px;line-height:1.8;max-width:100%}section{flex-direction:column;justify-content:center;align-items:stretch}details{max-width:100%}summary{min-height:48px;font-size:16px}dt{font-size:12px;line-height:1.6}dd{font-size:15px;overflow-wrap:anywhere}dd small{font-size:12px;line-height:1.8;margin-top:4px}.contact>a{font-size:24px;min-height:44px;overflow-wrap:anywhere}.contact .kicker{font-size:12px}.restart{min-height:44px;font-size:14px}#tokyo:has(details[open]){min-height:100svh}.contact{margin-top:28px}}
@media(max-width:360px){.signature{left:18px;gap:7px}.signature>span.brand-mark{width:39px;height:39px;font-size:37px}.brand-type strong{font-size:15px}#motion{right:16px;font-size:11px}section,#origin{padding-left:20px;padding-right:20px}.controls button{font-size:13px;padding:10px 12px}}
@media(max-height:500px) and (orientation:landscape){section,#origin{padding-top:110px;padding-bottom:100px}nav{top:auto;bottom:10px;right:20px;transform:none;display:flex;gap:6px}.corner,.chapter{display:none}}