:root{--void: #04050a;--deep: #070910;--slate: #0e1420;--slate-2: #141c2b;--line: rgba(201, 210, 224, .13);--line-strong: rgba(201, 210, 224, .26);--ink: #eef2f8;--ink-2: #a8b2c2;--ink-3: #6b7688;--jade: #2ff0b8;--cyan: #4fd8ff;--violet: #9b6bff;--amber: #ffb454;--rose: #ff5f8f;--accent: var(--jade);--gut: clamp(1.25rem, 4vw, 4.5rem);--maxw: 84rem;--rule: 1px;--fs-micro: clamp(.66rem, .62rem + .2vw, .75rem);--fs-small: clamp(.8rem, .76rem + .2vw, .9rem);--fs-body: clamp(.95rem, .9rem + .25vw, 1.06rem);--fs-lead: clamp(1.1rem, 1rem + .6vw, 1.5rem);--fs-h3: clamp(1.35rem, 1.1rem + 1.1vw, 2rem);--fs-h2: clamp(2rem, 1.4rem + 2.6vw, 4rem);--fs-h1: clamp(2.9rem, 1.6rem + 6vw, 8.5rem);--f-display: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;--f-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;--f-mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--e-out: cubic-bezier(.16, 1, .3, 1);--e-io: cubic-bezier(.65, 0, .35, 1);--t-fast: .28s;--t-mid: .6s;--t-slow: 1.1s;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}body{background:var(--void);color:var(--ink);font-family:var(--f-sans);font-size:var(--fs-body);line-height:1.85;font-feature-settings:"palt" 1;letter-spacing:.02em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip;min-height:100svh}img,svg,video{display:block;max-width:100%;height:auto}button,input,textarea,select{font:inherit;color:inherit}a{color:inherit;text-decoration:none}ul,ol{list-style:none;padding:0}::selection{background:var(--jade);color:#04120d}:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:2px}.shell{width:min(100% - var(--gut) * 2,var(--maxw));margin-inline:auto}.shell--wide{width:min(100% - var(--gut) * 2,110rem)}.shell--tight{width:min(100% - var(--gut) * 2,58rem)}:where(.shell,.shell--wide,.shell--tight)>*{min-width:0}.section{position:relative;padding-block:clamp(5rem,11vw,11rem)}.section--flush{padding-block:clamp(3rem,6vw,6rem)}.rule{height:var(--rule);background:linear-gradient(90deg,transparent,var(--line-strong) 12%,var(--line-strong) 88%,transparent);border:0}.eyebrow{font-family:var(--f-mono);font-size:var(--fs-micro);letter-spacing:.42em;text-transform:uppercase;color:var(--ink-3);display:flex;align-items:center;gap:.9em}.eyebrow:before{content:"";width:2.6em;height:1px;background:var(--accent);box-shadow:0 0 12px var(--accent);flex:none}.h1{font-family:var(--f-display);font-size:var(--fs-h1);font-weight:700;line-height:.94;letter-spacing:.01em}.h2{font-family:var(--f-display);font-size:var(--fs-h2);font-weight:700;line-height:1.1;letter-spacing:.02em}.h3{font-family:var(--f-display);font-size:var(--fs-h3);font-weight:700;line-height:1.35}.lead{font-size:var(--fs-lead);line-height:1.9;color:var(--ink-2);font-weight:300}.muted{color:var(--ink-3)}.mono{font-family:var(--f-mono);font-size:var(--fs-micro);letter-spacing:.22em;text-transform:uppercase}.tate{writing-mode:vertical-rl;text-orientation:mixed;font-feature-settings:"vpal" 1}.iridescent{display:inline-block;background:linear-gradient(100deg,var(--jade),var(--cyan) 26%,var(--violet) 52%,var(--rose) 74%,var(--amber));background-size:260% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:coat-shift 9s var(--e-io) infinite alternate}@keyframes coat-shift{0%{background-position:0% 50%}to{background-position:100% 50%}}.btn{--btn-fg: var(--void);--btn-bg: var(--ink);position:relative;display:inline-flex;align-items:center;gap:.85em;padding:.95em 1.9em;font-family:var(--f-mono);font-size:var(--fs-micro);letter-spacing:.26em;text-transform:uppercase;color:var(--btn-fg);background:var(--btn-bg);border:1px solid var(--btn-bg);border-radius:999px;overflow:hidden;isolation:isolate;cursor:pointer;transition:color var(--t-fast) var(--e-out),border-color var(--t-fast) var(--e-out),transform .4s var(--e-out)}.btn:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,var(--jade),var(--cyan) 40%,var(--violet));transform:translateY(101%);transition:transform .5s var(--e-out)}.btn:hover:before,.btn:focus-visible:before{transform:translateY(0)}.btn:hover{color:#03110c}.btn__arrow{transition:transform var(--t-fast) var(--e-out)}.btn:hover .btn__arrow{transform:translate(4px)}.btn--ghost{--btn-fg: var(--ink);--btn-bg: transparent;border-color:var(--line-strong)}.btn--ghost:hover{border-color:transparent}.tag{display:inline-block;padding:.35em .9em;border:1px solid var(--line-strong);border-radius:999px;font-family:var(--f-mono);font-size:var(--fs-micro);letter-spacing:.2em;color:var(--ink-2);text-transform:uppercase}.redact{position:relative;display:inline-block;padding-inline:.25em;color:transparent;background:repeating-linear-gradient(90deg,#1a2434 0 6px,#131b28 6px 12px);border-radius:2px;user-select:none;vertical-align:baseline}.redact:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(47,240,184,.35) 50%,transparent 70%);background-size:250% 100%;animation:redact-scan 4.5s linear infinite}@keyframes redact-scan{0%{background-position:120% 0}to{background-position:-60% 0}}.panel{position:relative;background:linear-gradient(160deg,#141c2bc7,#070910b8);border:1px solid var(--line);border-radius:3px;backdrop-filter:blur(14px) saturate(130%);overflow:hidden}.panel:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(150deg,rgba(255,255,255,.07),transparent 42%)}.crop{position:relative}.crop:before,.crop:after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--accent);opacity:.7;pointer-events:none}.crop:before{top:-1px;left:-1px;border-right:0;border-bottom:0}.crop:after{bottom:-1px;right:-1px;border-left:0;border-top:0}.plate{position:relative;overflow:hidden;background:var(--deep);isolation:isolate}.plate>img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 1.4s var(--e-out),filter 1.4s var(--e-out)}.plate:hover>img{transform:scale(1.12);filter:saturate(1.25) contrast(1.06)}.plate:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(4,5,10,.9),transparent 62%);pointer-events:none}.scanlines:before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:repeating-linear-gradient(to bottom,rgba(255,255,255,.035) 0 1px,transparent 1px 4px);mix-blend-mode:overlay}.grain{position:fixed;inset:-120%;z-index:9998;pointer-events:none;opacity:.045;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");animation:grain-drift .9s steps(4) infinite;will-change:transform}@keyframes grain-drift{0%{transform:translate(0)}25%{transform:translate(-2%,1.5%)}50%{transform:translate(1.5%,-2%)}75%{transform:translate(-1%,-1%)}to{transform:translate(0)}}[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity var(--t-slow) var(--e-out),transform var(--t-slow) var(--e-out),filter var(--t-slow) var(--e-out);transition-delay:var(--reveal-delay, 0ms)}[data-reveal=blur]{filter:blur(14px);transform:scale(1.03)}[data-reveal=rise]{transform:translateY(60px)}[data-reveal=left]{transform:translate(-40px)}[data-reveal=right]{transform:translate(40px)}[data-reveal].is-in{opacity:1;transform:none;filter:none}[data-reveal=wipe]{opacity:1;transform:none;overflow:hidden;padding-bottom:.14em;margin-bottom:-.14em}[data-reveal=wipe]>*{display:inline-block;transform:translateY(110%);opacity:0;transition:transform var(--t-slow) var(--e-out),opacity calc(var(--t-slow) * .7) var(--e-out);transition-delay:var(--reveal-delay, 0ms)}[data-reveal=wipe].is-in>*{transform:none;opacity:1}.split-char{display:inline-block;opacity:0;transform:translateY(.7em) rotateX(-55deg);transform-origin:50% 100%;transition:opacity .7s var(--e-out),transform .9s var(--e-out);transition-delay:calc(var(--i, 0) * 34ms);will-change:transform}.is-in .split-char{opacity:1;transform:none}.marquee{--speed: 34s;position:relative;display:flex;overflow:hidden;user-select:none;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}.marquee__track{display:flex;flex:none;align-items:center;gap:3.5rem;padding-right:3.5rem;animation:marquee var(--speed) linear infinite;will-change:transform}.marquee:hover .marquee__track{animation-play-state:paused}.marquee--rev .marquee__track{animation-direction:reverse}@keyframes marquee{to{transform:translate(-100%)}}.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;opacity:.4;mix-blend-mode:screen;will-change:transform}@keyframes float-slow{0%,to{transform:translateZ(0) scale(1)}33%{transform:translate3d(4%,-6%,0) scale(1.1)}66%{transform:translate3d(-5%,4%,0) scale(.94)}}@keyframes pulse-ring{0%{transform:scale(.85);opacity:.65}to{transform:scale(1.55);opacity:0}}@keyframes dash-draw{to{stroke-dashoffset:0}}@keyframes spin-slow{to{transform:rotate(360deg)}}.table-wrap{overflow-x:auto}.table-wrap table{width:100%;border-collapse:collapse;font-size:var(--fs-small)}.table-wrap th,.table-wrap td{padding:.85em 1em;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.table-wrap th{font-family:var(--f-mono);font-size:var(--fs-micro);letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}.prose{font-size:var(--fs-body);line-height:2.05;color:var(--ink-2)}.prose>*+*{margin-top:1.6em}.prose h2{font-family:var(--f-display);font-size:var(--fs-h3);color:var(--ink);margin-top:2.8em;padding-top:1.2em;border-top:1px solid var(--line);line-height:1.4}.prose h3{font-family:var(--f-display);font-size:1.15em;color:var(--ink);margin-top:2.2em}.prose strong{color:var(--ink);font-weight:700}.prose em{color:var(--jade);font-style:normal}.prose a{color:var(--jade);text-decoration:underline;text-underline-offset:.28em;text-decoration-thickness:1px;transition:color var(--t-fast)}.prose a:hover{color:var(--cyan)}.prose ul,.prose ol{padding-left:1.4em}.prose ul li{list-style:none;position:relative}.prose ul li:before{content:"";position:absolute;left:-1.2em;top:.85em;width:6px;height:6px;border:1px solid var(--jade);transform:rotate(45deg)}.prose ol{list-style:decimal}.prose ol li::marker{color:var(--jade);font-family:var(--f-mono);font-size:.8em}.prose li+li{margin-top:.6em}.prose blockquote{border-left:2px solid var(--jade);padding:.4em 0 .4em 1.5em;color:var(--ink);font-family:var(--f-display);font-size:1.1em;line-height:1.9}.prose img{border-radius:3px;border:1px solid var(--line)}.prose code{font-family:var(--f-mono);font-size:.86em;background:var(--slate);padding:.15em .45em;border-radius:3px;color:var(--cyan)}.prose pre{background:var(--slate);border:1px solid var(--line);border-radius:3px;padding:1.3em;overflow-x:auto}.prose pre code{background:none;padding:0}.prose hr{border:0;height:1px;background:var(--line);margin-block:3em}.prose figure figcaption{margin-top:.9em;font-family:var(--f-mono);font-size:var(--fs-micro);letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;top:0;left:50%;transform:translate(-50%,-140%);z-index:10000;padding:.7em 1.4em;background:var(--jade);color:#04120d;font-family:var(--f-mono);font-size:var(--fs-micro);letter-spacing:.2em;transition:transform var(--t-fast) var(--e-out)}.skip-link:focus{transform:translate(-50%)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}[data-reveal],[data-reveal]>*,.split-char{opacity:1!important;transform:none!important;clip-path:none!important;filter:none!important}.grain{display:none}.marquee__track{animation:none}}@media print{.grain,.site-nav,.site-foot,canvas{display:none!important}body{background:#fff;color:#000}}.site-nav[data-astro-cid-ctg3m53h]{position:fixed;inset:0 0 auto;z-index:900;transition:transform .5s var(--e-out),background .4s,border-color .4s;border-bottom:1px solid transparent}.site-nav[data-astro-cid-ctg3m53h].is-solid{background:#04050ab8;backdrop-filter:blur(18px) saturate(140%);border-bottom-color:var(--line)}.site-nav[data-astro-cid-ctg3m53h].is-hidden{transform:translateY(-100%)}.site-nav__bar[data-astro-cid-ctg3m53h]{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding-block:1rem}.site-nav__progress[data-astro-cid-ctg3m53h]{position:absolute;left:0;bottom:-1px;width:100%;height:1px;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--jade),var(--cyan),var(--violet));box-shadow:0 0 10px var(--jade)}.brand[data-astro-cid-ctg3m53h]{display:flex;align-items:center;gap:.8rem}.brand__mark[data-astro-cid-ctg3m53h]{color:var(--ink);display:block}.brand__glint[data-astro-cid-ctg3m53h]{animation:fade-pulse 2.6s ease-in-out infinite}@keyframes fade-pulse{0%,to{opacity:.25}50%{opacity:1}}.brand[data-astro-cid-ctg3m53h]:hover .brand__mark[data-astro-cid-ctg3m53h]{color:var(--jade)}.brand__mark[data-astro-cid-ctg3m53h],.brand[data-astro-cid-ctg3m53h]:hover .brand__mark[data-astro-cid-ctg3m53h]{transition:color var(--t-fast)}.brand__text[data-astro-cid-ctg3m53h]{display:grid;line-height:1.15}.brand__text[data-astro-cid-ctg3m53h] strong[data-astro-cid-ctg3m53h]{font-family:var(--f-display);font-size:1.02rem;letter-spacing:.16em}.brand__text[data-astro-cid-ctg3m53h] small[data-astro-cid-ctg3m53h]{font-size:.56rem;letter-spacing:.36em;color:var(--ink-3)}.site-nav__links[data-astro-cid-ctg3m53h]{display:none;gap:.35rem}@media(min-width:62rem){.site-nav__links[data-astro-cid-ctg3m53h]{display:flex}.menu-toggle[data-astro-cid-ctg3m53h]{display:none}}.navlink[data-astro-cid-ctg3m53h]{position:relative;display:grid;gap:.1rem;padding:.5rem 1.05rem;border-radius:999px;overflow:hidden;transition:color var(--t-fast)}.navlink__ja[data-astro-cid-ctg3m53h]{font-size:.86rem;letter-spacing:.18em}.navlink__en[data-astro-cid-ctg3m53h]{font-size:.5rem;letter-spacing:.3em;color:var(--ink-3)}.navlink[data-astro-cid-ctg3m53h]:after{content:"";position:absolute;left:1.05rem;right:1.05rem;bottom:.45rem;height:1px;background:var(--jade);transform:scaleX(0);transform-origin:0 50%;transition:transform .45s var(--e-out)}.navlink[data-astro-cid-ctg3m53h]:hover:after,.navlink[data-astro-cid-ctg3m53h].is-active:after{transform:scaleX(1)}.navlink[data-astro-cid-ctg3m53h].is-active .navlink__en[data-astro-cid-ctg3m53h]{color:var(--jade)}.menu-toggle[data-astro-cid-ctg3m53h]{display:grid;grid-auto-flow:column;gap:4px;align-items:center;padding:.6rem;background:none;border:1px solid var(--line-strong);border-radius:999px;cursor:pointer}.menu-toggle__lens[data-astro-cid-ctg3m53h]{display:block;width:13px;height:13px;border:1.4px solid var(--ink);border-radius:50%;transition:border-radius .4s var(--e-out),transform .4s var(--e-out),width .4s var(--e-out)}.menu-toggle[data-astro-cid-ctg3m53h][aria-expanded=true] .menu-toggle__lens[data-astro-cid-ctg3m53h]:first-child{transform:translate(4px) rotate(45deg);border-radius:2px}.menu-toggle[data-astro-cid-ctg3m53h][aria-expanded=true] .menu-toggle__lens[data-astro-cid-ctg3m53h]:last-child{transform:translate(-4px) rotate(-45deg);border-radius:2px}.menu-panel[data-astro-cid-ctg3m53h]{position:fixed;inset:0;z-index:890;display:grid;align-content:center;background:#04050af7;backdrop-filter:blur(20px);clip-path:circle(0% at 92% 4%);transition:clip-path .8s var(--e-out);pointer-events:none}.menu-panel[data-astro-cid-ctg3m53h].is-open{clip-path:circle(150% at 92% 4%);pointer-events:auto}.menu-panel__inner[data-astro-cid-ctg3m53h]{display:grid;gap:2rem}.menu-panel__link[data-astro-cid-ctg3m53h]{display:flex;align-items:baseline;gap:1.2rem;padding-block:1rem;border-bottom:1px solid var(--line);opacity:0;transform:translateY(18px);transition:opacity .6s var(--e-out),transform .6s var(--e-out),color var(--t-fast);transition-delay:var(--d)}.menu-panel[data-astro-cid-ctg3m53h].is-open .menu-panel__link[data-astro-cid-ctg3m53h]{opacity:1;transform:none}.menu-panel__link[data-astro-cid-ctg3m53h]:hover{color:var(--jade)}.menu-panel__ja[data-astro-cid-ctg3m53h]{font-family:var(--f-display);font-size:clamp(1.7rem,8vw,2.6rem)}.menu-panel__en[data-astro-cid-ctg3m53h]{margin-left:auto;color:var(--ink-3)}.menu-panel__foot[data-astro-cid-ctg3m53h]{letter-spacing:.3em}.site-foot[data-astro-cid-gcn2mc3v]{position:relative;padding-top:4rem;border-top:1px solid var(--line);background:linear-gradient(to bottom,transparent,rgba(14,20,32,.55));overflow:hidden}.site-foot[data-astro-cid-gcn2mc3v]:before{content:"";position:absolute;top:-14rem;left:50%;width:46rem;height:28rem;transform:translate(-50%);background:radial-gradient(ellipse,rgba(47,240,184,.12),transparent 68%);filter:blur(50px);pointer-events:none}.site-foot__marquee[data-astro-cid-gcn2mc3v]{--speed: 46s;padding-block:1.6rem;border-block:1px solid var(--line)}.site-foot__word[data-astro-cid-gcn2mc3v]{font-family:var(--f-display);font-size:clamp(1.4rem,4vw,2.4rem);letter-spacing:.14em;color:var(--ink-3);white-space:nowrap}.site-foot__word[data-astro-cid-gcn2mc3v] i[data-astro-cid-gcn2mc3v]{color:var(--jade);font-style:normal}.site-foot__grid[data-astro-cid-gcn2mc3v]{display:grid;gap:3rem;padding-block:clamp(3rem,7vw,5.5rem)}@media(min-width:52rem){.site-foot__grid[data-astro-cid-gcn2mc3v]{grid-template-columns:1.6fr 1fr 1fr;gap:4rem}}.site-foot__brand[data-astro-cid-gcn2mc3v]{display:grid;gap:.7rem;align-content:start}.site-foot__note[data-astro-cid-gcn2mc3v]{font-size:var(--fs-small);color:var(--ink-2);margin-top:.6rem}.site-foot__nav[data-astro-cid-gcn2mc3v] ul[data-astro-cid-gcn2mc3v]{display:grid;gap:.55rem;margin-top:1.2rem}.site-foot__nav[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{display:flex;justify-content:space-between;gap:1rem;font-size:var(--fs-small);padding-block:.35rem;border-bottom:1px solid transparent;transition:color var(--t-fast),border-color var(--t-fast)}.site-foot__nav[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]:hover{color:var(--jade);border-bottom-color:var(--line-strong)}.site-foot__nav[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v] .mono[data-astro-cid-gcn2mc3v]{color:var(--ink-3)}.site-foot__contact[data-astro-cid-gcn2mc3v]{display:grid;gap:.9rem;align-content:start}.site-foot__mail[data-astro-cid-gcn2mc3v]{color:var(--jade);letter-spacing:.12em;text-transform:none;font-size:var(--fs-small)}.site-foot__small[data-astro-cid-gcn2mc3v]{font-size:var(--fs-small)}.site-foot__base[data-astro-cid-gcn2mc3v]{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;padding-block:1.6rem;border-top:1px solid var(--line)}.curtain[data-astro-cid-mmn6iivr]{position:fixed;inset:0;z-index:9999;display:grid;place-content:center;gap:1.6rem;justify-items:center;background:var(--void);transition:opacity .8s var(--e-out),visibility .8s}.curtain[data-astro-cid-mmn6iivr].is-open{opacity:0;visibility:hidden}.curtain__iris[data-astro-cid-mmn6iivr]{animation:spin-slow 6s linear infinite}.curtain__ring[data-astro-cid-mmn6iivr]{stroke-dasharray:40 287;animation:spin-slow 1.4s linear infinite;transform-origin:100px 100px}.curtain__pupil[data-astro-cid-mmn6iivr]{animation:pupil 1.6s var(--e-io) infinite;transform-origin:100px 100px}@keyframes pupil{0%,to{transform:scale(1)}50%{transform:scale(2.4);opacity:.5}}.curtain__word[data-astro-cid-mmn6iivr]{color:var(--ink-3);letter-spacing:.7em;animation:fade-pulse 2s ease-in-out infinite}@keyframes fade-pulse{0%,to{opacity:.35}50%{opacity:1}}.astro-route-announcer{position:absolute;left:0;top:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;width:1px;height:1px}html:not(.is-ready) body{overflow:hidden}.lenslight{position:fixed;top:0;left:0;z-index:1;width:30rem;height:30rem;pointer-events:none;border-radius:50%;background:radial-gradient(circle,rgba(47,240,184,.11),rgba(79,216,255,.06) 42%,transparent 68%);mix-blend-mode:screen;will-change:transform}