:root {
  --deep:#030814;--space:#061126;--panel:#0a1930;--panel-2:#0d213b;--ink:#edf8ff;
  --muted:#91a8bc;--cyan:#5deaf2;--yellow:#ffd15c;--line:rgba(113,222,243,.2);
  --line-strong:rgba(113,222,243,.42);--shell:min(1160px,calc(100% - 40px));--radius:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--deep);color:var(--ink);font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;font-feature-settings:"palt";overflow-x:hidden}a{color:inherit}button,a{font:inherit}.shell{width:var(--shell);margin-inline:auto}.skip-link{position:fixed;z-index:999;top:8px;left:8px;transform:translateY(-150%);padding:10px 16px;background:#fff;color:#000}.skip-link:focus{transform:none}.section-id{margin:0;color:var(--cyan);font:800 10px/1.5 Arial,sans-serif;letter-spacing:.22em}
.site-header{position:absolute;z-index:20;top:0;left:50%;width:var(--shell);height:88px;transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;letter-spacing:.1em}.brand-mark{display:grid;place-items:center;width:39px;aspect-ratio:1;border:1px solid var(--cyan);border-radius:50%;color:var(--cyan);font:800 11px Arial}.brand b{display:block;font:900 12px Arial}.brand small{display:block;margin-top:3px;color:var(--muted);font:700 7px Arial;letter-spacing:.22em}.archive-status{color:#9db5c7;font:700 9px Arial;letter-spacing:.18em}.archive-status i{display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;background:#77efb0;box-shadow:0 0 12px #77efb0}
.hero{position:relative;isolation:isolate;min-height:790px;height:100svh;display:grid;align-items:center;overflow:hidden;background:radial-gradient(circle at 72% 45%,#102f50 0,transparent 29%),radial-gradient(circle at 18% 18%,#11284b 0,transparent 25%),linear-gradient(145deg,#07162e,#020713 72%)}.hero:after{content:"";position:absolute;z-index:-3;inset:0;background-image:linear-gradient(rgba(83,229,242,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(83,229,242,.07) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(to bottom,transparent,#000 30%,transparent)}.starfield{position:absolute;z-index:-4;inset:0;opacity:.62;background-image:radial-gradient(#fff 1px,transparent 1px),radial-gradient(#81cbd8 1px,transparent 1px);background-size:97px 97px,151px 151px;background-position:0 0,40px 60px}.hero-orbit{position:absolute;z-index:-2;border:1px solid var(--line);border-radius:50%;transform:rotate(-17deg)}.orbit-a{width:75vw;aspect-ratio:2/1;right:-18%;top:22%}.orbit-b{width:55vw;aspect-ratio:2/1;right:-8%;top:31%}.hero-inner{padding-top:90px}.hero-kicker{display:flex;gap:20px;color:var(--cyan);font:800 9px Arial;letter-spacing:.19em}.hero-kicker span:first-child{padding:7px 9px;border:1px solid var(--line-strong);border-radius:3px}.hero h1{max-width:930px;margin:28px 0 0;font:900 clamp(55px,8.2vw,118px)/.77 Arial,sans-serif;letter-spacing:-.065em}.hero h1 span{display:block}.hero h1 span:last-child{color:transparent;-webkit-text-stroke:1px #e8f8ff}.hero-copy{margin:42px 0 15px;font-size:clamp(22px,2.5vw,35px);font-weight:800;line-height:1.55;letter-spacing:.01em}.hero-copy:before{content:"";display:block;width:52px;height:3px;margin-bottom:22px;background:var(--yellow)}.hero-lead{max-width:660px;margin:0;color:#aabfce;font-size:14px;line-height:2}.primary-button{display:inline-flex;align-items:center;gap:28px;min-height:55px;margin-top:28px;padding:0 24px;border-radius:99px;background:var(--yellow);color:#07152c;text-decoration:none;font-size:12px;font-weight:800}.primary-button b{font-size:17px;transition:transform .2s}.primary-button:hover b{transform:translateY(3px)}.hero-meta{position:absolute;right:0;bottom:45px;display:flex;gap:28px;color:#688399;font:700 9px monospace;letter-spacing:.13em}.hero-meta b{color:var(--cyan)}
.archive-intro{padding:clamp(85px,10vw,140px) 0;background:#f1eee5;color:#132039}.intro-grid{display:grid;grid-template-columns:.35fr 1.15fr .55fr;gap:6vw;align-items:start}.intro-grid .section-id{color:#168b9a}.intro-grid h2{margin:0 0 26px;font-size:clamp(32px,4.4vw,58px);line-height:1.35;letter-spacing:-.045em}.kana-small{display:inline-block;font-size:.52em;line-height:1;vertical-align:.14em;letter-spacing:0}.intro-grid>div>p{max-width:650px;margin:0;color:#596a7e;font-size:15px;line-height:2}.scope-index{margin:0;border-top:1px solid #c2cbd0}.scope-index div{padding:19px 0;border-bottom:1px solid #c2cbd0}.scope-index dt{color:#778390;font:800 8px Arial;letter-spacing:.18em}.scope-index dd{margin:7px 0 0;font:800 12px Arial;letter-spacing:.08em}
.timeline-section{position:relative;padding:clamp(90px,11vw,150px) 0;background:radial-gradient(circle at 90% 10%,rgba(22,58,94,.55),transparent 28%),#061126}.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:9vw;align-items:end}.section-heading h2{margin:12px 0 0;font-size:clamp(42px,6vw,76px);letter-spacing:-.055em}.section-heading>p{margin:0;color:var(--muted);font-size:13px;line-height:1.9}.filter-panel{margin:55px 0 75px;padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(8,24,46,.7)}.filter-label{display:flex;justify-content:space-between;padding:0 4px 14px;color:var(--cyan);font:800 9px Arial;letter-spacing:.18em}.filter-label small{color:var(--muted);font-size:9px}.filters{display:flex;flex-wrap:wrap;gap:7px}.filter-button{min-height:39px;padding:0 15px;border:1px solid rgba(145,168,188,.22);border-radius:99px;background:#0a1930;color:#9eb4c5;font-size:12px;cursor:pointer;transition:.2s}.filter-button:hover{border-color:var(--cyan);color:#fff}.filter-button[aria-pressed="true"]{border-color:var(--cyan);background:var(--cyan);color:#041020;font-weight:800}.timeline{position:relative}.timeline:before{content:"";position:absolute;left:118px;top:18px;bottom:30px;width:1px;background:linear-gradient(var(--cyan),var(--line) 10%,var(--line) 90%,transparent)}.event{position:relative;display:grid;grid-template-columns:90px 1fr;gap:58px;padding:0 0 70px}.event[hidden]{display:none}.event-year{position:relative;z-index:1;padding-top:25px;color:var(--cyan);font:900 23px Arial;letter-spacing:-.02em;text-align:right}.event-year:after{content:"";position:absolute;right:-37px;top:32px;width:11px;aspect-ratio:1;border:3px solid var(--space);border-radius:50%;background:var(--cyan);box-shadow:0 0 16px rgba(93,234,242,.7)}.event-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(135deg,rgba(13,33,59,.98),rgba(7,23,44,.98));box-shadow:0 24px 70px rgba(0,0,0,.18)}.event-card:before,.event-card:after{content:"";position:absolute;width:18px;height:18px;border-color:var(--cyan);opacity:.55}.event-card:before{top:10px;left:10px;border-top:1px solid;border-left:1px solid}.event-card:after{right:10px;bottom:10px;border-right:1px solid;border-bottom:1px solid}.event-main{padding:32px 34px}.event-index{display:flex;justify-content:space-between;margin-bottom:20px;color:#658098;font:700 8px Arial;letter-spacing:.17em}.event-categories{display:flex;flex-wrap:wrap;gap:6px}.category-tag{padding:5px 8px;border:1px solid var(--line-strong);border-radius:4px;color:var(--cyan);font:800 9px Arial;letter-spacing:.06em}.event h3{margin:0 0 29px;font-size:clamp(23px,3vw,36px);line-height:1.4;letter-spacing:-.025em}.fact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}.fact-block{padding:22px;background:#0a1a32}.fact-block h4,.connection h4,.lumen-note h4{margin:0 0 11px;color:var(--cyan);font:800 9px Arial;letter-spacing:.16em}.fact-block p,.connection p,.lumen-note p{margin:0;color:#b5c5d1;font-size:13px;line-height:1.9}.connection{margin-top:1px;padding:23px;background:#0b1d36}.connection h4{color:var(--yellow)}.lumen-note{position:relative;padding:25px 34px 28px;border-top:1px solid rgba(93,234,242,.35);background:linear-gradient(90deg,rgba(29,103,123,.2),rgba(7,23,44,.75))}.lumen-note h4:after{content:"FICTIONAL ARCHIVE LAYER";float:right;padding:4px 7px;border:1px solid var(--line-strong);border-radius:3px;color:#7ea8b5;font-size:7px}.sources{padding:18px 34px;border-top:1px solid var(--line);background:rgba(3,12,26,.45)}.sources summary{color:#89a5b8;font:800 9px Arial;letter-spacing:.16em;cursor:pointer}.source-list{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0;padding:0;list-style:none}.source-list a{display:inline-block;padding:8px 10px;border:1px solid var(--line);border-radius:4px;color:#b7cbd7;font-size:10px;text-decoration:none}.source-list a:hover{border-color:var(--cyan);color:var(--cyan)}.loading,.error-message{padding:40px;border:1px solid var(--line);border-radius:15px;color:var(--muted);font:800 10px Arial;letter-spacing:.18em;text-align:center}.loading span{display:inline-block;width:8px;aspect-ratio:1;margin-right:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
.fiction-layer{padding:clamp(80px,10vw,130px) 0;background:#030914}.lumen-panel{position:relative;display:grid;grid-template-columns:130px 1fr .7fr;gap:5vw;align-items:center;padding:55px;border:1px solid var(--line-strong);border-radius:26px;background:radial-gradient(circle at 10% 50%,rgba(34,126,145,.18),transparent 26%),#071428}.lumen-sigil{display:grid;place-items:center;width:120px;aspect-ratio:1;border:1px solid var(--cyan);border-radius:50%;box-shadow:inset 0 0 35px rgba(93,234,242,.08),0 0 45px rgba(93,234,242,.08)}.lumen-sigil:before{content:"";position:absolute;width:88px;aspect-ratio:1;border:1px dashed var(--line-strong);border-radius:50%}.lumen-sigil span{font:900 23px Arial;letter-spacing:.12em;color:var(--cyan)}.fiction-label{margin:0 0 14px;color:var(--cyan);font:800 8px Arial;letter-spacing:.18em}.lumen-copy h2{margin:0 0 20px;font-size:clamp(28px,4vw,48px);line-height:1.15}.lumen-copy>p:not(.fiction-label){margin:0;color:#aabecb;font-size:13px;line-height:1.9}.lumen-copy .lumen-disclaimer{margin-top:18px!important;padding-top:16px;border-top:1px solid var(--line);color:#7993a5!important;font-size:10px!important}.lumen-slogan{padding-left:30px;border-left:1px solid var(--line)}.lumen-slogan small,.lumen-slogan span{display:block;color:var(--cyan);font:800 8px Arial;letter-spacing:.16em}.lumen-slogan strong{display:block;margin:18px 0;color:var(--yellow);font:700 clamp(18px,2.2vw,28px)/1.35 Arial}.lumen-slogan span{color:#8098aa;letter-spacing:.08em}
.site-footer{padding:48px 0;border-top:1px solid var(--line);background:#020611;color:#8199aa}.footer-grid{display:grid;grid-template-columns:.7fr 1fr auto;gap:45px;align-items:center}.footer-brand{display:flex;align-items:center;gap:12px;font:800 11px Arial;letter-spacing:.1em;text-decoration:none}.footer-brand small{font-size:7px;color:var(--cyan)}.footer-grid p{margin:0;font:700 8px/1.8 Arial;letter-spacing:.1em}.footer-domain{margin-bottom:7px!important;color:#b2c3cf!important;font-size:10px!important}.back-top{color:var(--cyan);font:800 9px Arial;letter-spacing:.14em;text-decoration:none}
@media(max-width:800px){:root{--shell:calc(100% - 28px)}.shell{width:calc(100% - 28px);max-width:680px}.site-header{height:72px}.hero{min-height:760px}.hero h1{font-size:clamp(42px,12vw,78px)}.intro-grid{grid-template-columns:1fr;gap:30px}.scope-index{display:grid;grid-template-columns:repeat(3,1fr)}.scope-index div{padding:15px 9px}.section-heading{grid-template-columns:1fr;gap:25px}.timeline:before{left:26px}.event{grid-template-columns:52px 1fr;gap:18px;padding-bottom:45px}.event-year{padding-top:28px;font-size:14px;text-align:left}.event-year:after{right:16px;top:31px;width:9px}.event-main{padding:26px 24px}.lumen-note,.sources{padding-inline:24px}.lumen-panel{grid-template-columns:90px 1fr;padding:38px;gap:28px}.lumen-sigil{width:86px}.lumen-sigil:before{width:62px}.lumen-slogan{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.back-top{grid-column:2;text-align:right}}
@media(max-width:520px){.desktop-only{display:none}.site-header .brand small{display:none}.archive-status{font-size:7px}.hero{height:auto;min-height:810px}.hero-inner{padding-top:110px}.hero-kicker{justify-content:space-between;gap:8px}.hero-kicker span{font-size:7px}.hero h1{margin-top:24px;font-size:clamp(45px,15vw,67px);line-height:.82}.hero-copy{margin-top:46px;font-size:23px}.hero-lead{font-size:13px;line-height:1.85}.primary-button{width:100%;justify-content:space-between}.hero-meta{position:static;margin-top:30px;justify-content:space-between}.archive-intro{padding:76px 0}.intro-grid h2{font-size:31px}.scope-index{grid-template-columns:1fr}.scope-index div{padding:13px 0}.timeline-section{padding:78px 0}.section-heading h2{font-size:40px}.filter-panel{margin:38px 0 55px;padding:13px}.filters{display:grid;grid-template-columns:1fr 1fr}.filter-button{padding:0 9px;font-size:11px}.timeline:before{left:5px}.event{display:block;padding:0 0 46px 21px}.event-year{padding:0 0 12px;font-size:18px}.event-year:after{left:-21px;right:auto;top:6px}.event-main{padding:22px 18px}.event-index{align-items:flex-start;gap:10px}.event-index>span:first-child{display:none}.event h3{margin-bottom:22px;font-size:23px}.fact-grid{grid-template-columns:1fr}.fact-block{padding:18px}.connection{padding:19px}.lumen-note,.sources{padding-inline:18px}.lumen-note h4:after{float:none;display:block;width:max-content;margin-top:8px}.source-list{display:grid}.source-list a{display:block}.lumen-panel{display:block;padding:27px}.lumen-sigil{margin-bottom:30px}.lumen-slogan{margin-top:30px;padding:24px 0 0;border-top:1px solid var(--line);border-left:0}.footer-grid{display:flex;flex-direction:column;align-items:flex-start;gap:25px}.back-top{align-self:flex-end}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.hero{grid-template-columns:minmax(0,1fr)}
@media(max-width:520px){.hero h1{font-size:clamp(35px,10.8vw,48px);letter-spacing:-.06em}}