@charset "UTF-8";
:root{--ink:#181511;--paper:#efe9dc;--gold:#b59b65;--red:#732f25;--line:#bda67544;--serif:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;--sans:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:16px;line-height:1.9}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:2px solid #efd697;outline-offset:7px}button,a{-webkit-tap-highlight-color:transparent}::selection{background:#a87543;color:#fff}.filter-defs{position:absolute;pointer-events:none}.skip-link{position:fixed;top:-100px;left:15px;background:var(--paper);color:var(--ink);padding:10px;z-index:100}.skip-link:focus{top:10px}.site-header{height:88px;position:absolute;top:0;left:0;width:100%;z-index:8;padding:0 4%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #fff2;background:linear-gradient(#17130eb8,#17130e15)}.wordmark{display:flex;gap:14px;align-items:center;font-size:11px;line-height:1.4;letter-spacing:.2em}.seal{font-family:var(--serif);font-size:23px;letter-spacing:-.1em;border:1px solid #dfc68a;padding:4px 8px;color:#dfc68a;transform:rotate(-4deg)}nav{display:flex;align-items:center;gap:36px;font-size:14px;letter-spacing:.1em}nav a{transition:color .2s}nav a:hover{color:#e7ca83}.nav-youtube{border-left:1px solid #fff4;padding-left:32px}.nav-youtube span{margin-left:15px}.menu-toggle{display:none}.hero{height:100svh;min-height:730px;max-height:1300px;position:relative;overflow:hidden;background:#36271c}.hero-art{width:100%;height:100%;object-fit:cover;object-position:50% 50%;position:absolute;inset:0}.hero-shade{position:absolute;inset:0;background:linear-gradient(0deg,#17130ee8 0%,#17130e55 20%,transparent 56%),linear-gradient(90deg,#15120f44,transparent 40%,#15120f28)}.vertical-copy{position:absolute;right:5%;top:17%;writing-mode:vertical-rl;font-family:var(--serif);font-size:clamp(23px,2.5vw,42px);letter-spacing:.25em;line-height:1.85;text-shadow:0 2px 15px #000;margin:0}.hero-title-wrap{position:absolute;bottom:13%;left:4%;width:47%;max-width:760px;text-align:center}.eyebrow{font-size:11px;letter-spacing:.28em;margin:0 0 -8px;color:#e5c98f;text-shadow:0 1px 10px #000}h1{margin:0;line-height:1}.title-logo{display:block;width:100%;filter:url(#logo-key) drop-shadow(0 3px 2px #130e0c);margin:-3% 0 -6%}.hero-caption{font-family:var(--serif);letter-spacing:.12em;font-size:14px;text-shadow:0 1px 8px #000}.hero-bottom{position:absolute;bottom:30px;left:4%;right:4%;display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:.19em;color:#e8d9b6}.hero-bottom a{font-size:11px;display:flex;gap:17px;align-items:center}.hero-bottom i{font-size:23px;font-style:normal}.section{padding:100px max(6%,calc((100% - 1240px)/2));position:relative}.section-label{display:flex;align-items:center;gap:18px;color:var(--gold);font-size:12px;letter-spacing:.18em}.section-label>span:first-child{font-family:var(--serif);font-size:22px}.section-label p{white-space:nowrap}.rule{height:1px;background:var(--line);flex:1}.about{background:radial-gradient(ellipse at 10% 30%,#43392333,transparent 60%),var(--ink);overflow:hidden}.about-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:8%;padding:65px 0 45px}.small-ja{font-size:13px;letter-spacing:.16em;color:var(--gold);margin:0 0 25px}h2{font-family:var(--serif);font-size:clamp(30px,3vw,46px);font-weight:500;line-height:1.8;letter-spacing:.06em;margin:0}.about-copy{padding-top:30px}.about-copy p{margin:0 0 30px;font-size:16px;line-height:2.4;letter-spacing:.06em}.book-mark{width:160px;margin:60px 0 0 4px;opacity:.5}.book-mark svg{fill:none;stroke:var(--gold);stroke-width:1}.story-line{padding-top:25px;border-top:1px solid var(--line)}.story-line em{font-style:normal;color:#d7be82}.signature{font-family:var(--serif);font-size:24px;letter-spacing:.16em}.signature small{font-family:var(--sans);font-size:11px;letter-spacing:.12em;margin-left:12px;color:#a99f8e}.interest-line{display:flex;gap:30px;align-items:center;border-top:1px solid var(--line);padding-top:32px;color:#b8a788;font-size:13px;letter-spacing:.15em}.interest-line b{font-weight:400;color:#6b5f49}.activity{background:var(--paper);color:var(--ink)}.activity .section-label,.activity .small-ja{color:#866b3d}.activity-heading{display:flex;justify-content:space-between;gap:25px;align-items:end;margin:50px 0}.activity-heading>p{font-size:14px;line-height:2;color:#6b6153}.activity-topics{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.activity-topics article{border-top:1px solid #ae946859;padding-top:26px}.topic-index{font-family:var(--serif);font-size:22px;color:#976f3c}.activity h3{font-family:var(--serif);font-size:23px;font-weight:500;line-height:1.8}.activity-topics p{font-size:14px;line-height:2.1;color:#706454;max-width:310px}.social-links{display:grid;grid-template-columns:1.2fr 1fr;margin-top:65px;border:1px solid #a68b6255}.social-links>a{padding:30px 36px;display:flex;justify-content:space-between;align-items:center;transition:background .25s}.social-links>a:hover{background:#dfd3bc}.social-links>a:first-child{border-right:1px solid #a68b6255}.social-links small{display:block;font-size:12px;letter-spacing:.13em;color:#77664c}.social-links strong{font-size:30px;font-family:Georgia,serif;font-weight:400}.social-links i{font-family:var(--sans);font-style:normal;font-size:12px;margin-left:15px}.link-arrow{font-size:30px;color:#896b3b}footer{padding:45px 6%;display:flex;align-items:center;gap:35px;border-top:1px solid var(--line)}.footer-name{font-family:var(--serif);font-size:22px;letter-spacing:.15em}.footer-name span{display:block;font-family:var(--sans);font-size:9px;letter-spacing:.24em}footer p{font-size:11px;color:#a69a84;margin-left:auto}footer button{background:none;border:0;color:#bfa97a;font-size:12px}.back-top{border:1px solid var(--line);padding:8px 17px}#opening{position:fixed;inset:0;z-index:50;background:#17130f;overflow:hidden}#opening[hidden]{display:none}#puzzle{width:100%;height:100%;display:block}.opening-caption{position:absolute;bottom:13%;left:0;right:0;text-align:center;pointer-events:none;font-family:var(--serif);letter-spacing:.3em;color:#e2c88e;transition:opacity .4s}#skip-opening{position:absolute;right:5%;bottom:5%;border:1px solid #c4ac7166;background:#17130faa;color:var(--paper);padding:8px 25px;font-size:12px;letter-spacing:.18em}#opening.finishing{opacity:0;transition:opacity .65s}body.intro-running{overflow:hidden}
@media(min-width:1600px){.hero-title-wrap{bottom:12%}.hero-art{object-position:50% 42%}}
@media(max-width:900px){.hero{min-height:670px}.hero-title-wrap{width:65%;left:0;bottom:11%}.vertical-copy{font-size:27px}.section{padding:75px 7%}.about-layout{gap:5%;grid-template-columns:1fr 1fr}h2{font-size:30px}.activity-heading{align-items:start;flex-direction:column}.activity-topics{gap:22px}.activity h3{font-size:20px}.social-links>a{padding:25px 20px}.hero-number{display:none}}
@media(max-width:620px){.site-header{height:74px;padding:0 6%}.wordmark{font-size:9px}.seal{font-size:20px}.menu-toggle{display:block;background:none;color:var(--paper);border:0;font-size:11px;letter-spacing:.14em;padding:10px}.menu-toggle span{font-size:19px;margin-left:10px}nav{display:none;position:absolute;top:74px;left:0;right:0;background:#181511f7;padding:30px 7%;flex-direction:column;align-items:stretch;gap:22px;border-bottom:1px solid var(--line)}nav.open{display:flex}.nav-youtube{padding:0;border:0}.hero{height:93svh;min-height:650px;max-height:1000px}.hero-art{object-position:39% center}.hero-shade{background:linear-gradient(0deg,#181511 0%,#18151177 22%,transparent 55%,#18151135)}.vertical-copy{right:7%;top:16%;font-size:22px}.hero-title-wrap{width:96%;max-width:none;left:2%;bottom:12%}.eyebrow{font-size:9px;letter-spacing:.2em}.hero-caption{font-size:12px;letter-spacing:.06em}.hero-bottom{bottom:22px;left:7%;right:7%;font-size:8px}.hero-bottom a{font-size:9px;gap:10px}.section{padding:65px 7%}.about-layout{display:block;padding:35px 0}.about-heading h2{font-size:31px}.book-mark{display:none}.about-copy{padding-top:35px}.about-copy p{font-size:15px}.signature small{display:block;margin:5px 0}.interest-line{gap:15px;font-size:11px;justify-content:space-between}.activity-heading{margin:30px 0}.activity-heading h2{font-size:29px}.activity-topics{display:block}.activity-topics article{padding:22px 0;display:grid;grid-template-columns:30px 1fr;gap:0 15px}.activity h3{margin:0;font-size:21px}.activity-topics p{grid-column:2;margin:15px 0 0;max-width:none}.social-links{grid-template-columns:1fr;margin-top:30px}.social-links>a:first-child{border-right:0;border-bottom:1px solid #a68b6255}.social-links strong{font-size:28px}footer{padding:35px 7%;gap:20px;flex-wrap:wrap}footer p{font-size:10px}footer button{order:3;width:100%;text-align:left;padding:0}.back-top{padding:3px 13px}.footer-name{font-size:18px}.opening-caption{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Desk-plane opening: falling pieces retain real depth until they settle. */
html.intro-pending:before{content:'';position:fixed;inset:0;background:#000;z-index:49}
#opening{background:#000;isolation:isolate}#opening-camera{position:absolute;inset:0;perspective:1800px;perspective-origin:50% 46%;overflow:hidden}
#desk-world{position:absolute;inset:0;transform-style:preserve-3d;transform-origin:50% 50%;will-change:transform}
#desk-surface{position:absolute;left:-25%;top:-25%;width:150%;height:150%;max-width:none;object-fit:cover;opacity:0;transform:translateZ(-1px);backface-visibility:hidden}
#puzzle-pieces,#puzzle-shadows{position:absolute;inset:0;transform-style:preserve-3d;pointer-events:none}
.desk-piece,.piece-shadow{display:block;position:absolute;top:0;left:0;transform-origin:50% 50%;pointer-events:none}
.desk-piece{will-change:transform,opacity;backface-visibility:visible}.piece-shadow{will-change:transform,opacity}
.opening-vignette{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 47%,transparent 38%,#000b 100%);pointer-events:none}
#skip-opening{z-index:4;font-family:var(--sans);font-size:13px;background:#100d09b8;padding:9px 24px;border-color:#c4ac7170}
#opening.finishing{transition:opacity .75s ease}
@media(max-width:620px){#opening-camera{perspective:1400px}#desk-surface{left:-70%;width:240%;object-position:50% 50%}#skip-opening{bottom:30px;right:7%}}

/* Locally hosted Japanese typography and editorial images. */
:root{--serif:'Shippori Mincho','Yu Mincho',serif;--sans:'Zen Kaku Gothic New','Yu Gothic',sans-serif}
body{font-weight:400;line-height:1.95;font-feature-settings:'palt'}
.site-header{height:96px;position:fixed;top:0;left:0;background:linear-gradient(#15110deb,#15110d10);backdrop-filter:blur(3px)}
.wordmark{position:relative;display:block;width:230px;height:82px;overflow:hidden;flex-shrink:0}
.header-logo{position:absolute;display:block;width:230px;height:auto;top:-17px;left:0;filter:url(#logo-key) drop-shadow(0 2px 2px #100c09)}
.vertical-copy{font-weight:500;font-size:clamp(26px,2.8vw,46px);line-height:1.85;letter-spacing:.13em}
h2{font-weight:500;font-size:clamp(34px,3.5vw,52px);line-height:1.65;letter-spacing:.02em}
.hero-caption{font-size:16px;letter-spacing:.07em;font-weight:500}
.about-copy p{font-size:17px;line-height:2.25;letter-spacing:.025em}.small-ja{font-size:14px}.story-line{font-family:var(--serif)}
.signature{font-weight:500}.about-layout{grid-template-columns:1.1fr 1fr;gap:9%}.about-copy{padding-top:45px}
.about-visual{position:relative;margin:45px 0 0;width:100%;padding:0 20px 20px 0}.about-visual:after{content:'';position:absolute;inset:15px 0 30px 15px;border:1px solid var(--line);z-index:0}.about-visual img{display:block;position:relative;z-index:1;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.about-visual figcaption{position:relative;z-index:1;font-family:var(--serif);font-size:14px;margin:16px 0 0;color:#bfa77d;letter-spacing:.1em}
.workshop-visual{margin:0 0 52px;position:relative}.workshop-visual img{display:block;width:100%;height:auto;aspect-ratio:21/8;object-fit:cover}.workshop-visual:after{content:'';position:absolute;inset:12px;border:1px solid #f5dfb433;pointer-events:none}
.activity h3{font-size:26px;font-weight:500;letter-spacing:.015em;line-height:1.75}.activity-topics p{font-size:16px;line-height:1.95}.activity-heading>p{font-size:16px}.social-links small{font-size:14px}.social-links strong{font-family:var(--serif);font-weight:500}.social-links i{font-size:14px}footer button{font-size:14px}
@media(max-width:900px){.wordmark{width:205px}.header-logo{width:205px;top:-10px}.site-header nav{gap:24px}.activity h3{font-size:23px}.about-layout{gap:6%}h2{font-size:36px}}
@media(max-width:620px){.site-header{height:82px}.wordmark{width:178px;height:70px}.header-logo{width:178px;top:-10px}.menu-toggle{font-size:13px}nav{top:82px}.hero-caption{font-size:14px}.vertical-copy{font-size:25px;letter-spacing:.12em}.about-heading h2,.activity-heading h2{font-size:34px}.about-copy p{font-size:16px}.about-visual{margin-top:30px}.about-copy{padding-top:25px}.workshop-visual{margin-bottom:28px}.workshop-visual img{aspect-ratio:3/2;object-position:35% center}.activity h3{font-size:23px}.activity-topics p{font-size:16px}.signature small{font-size:12px}}
/* Real 3D opening: the skip control stays above the WebGL canvas. */
.opening-webgl{position:absolute;inset:0;width:100%;height:100%;z-index:2;opacity:0;pointer-events:none}
#opening.has-webgl #opening-camera,#opening.has-webgl .opening-vignette{visibility:hidden}
#opening.has-webgl #skip-opening{z-index:4}
#replay:disabled{opacity:.5;cursor:wait}