:root{--ink:#101217;--paper:#f4f2ed;--blue:#dce9ef;--line:#b8b8b2;--accent:#0c3f58}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,'Noto Sans JP',sans-serif;line-height:1.65}header{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:14px 4vw;background:rgba(244,242,237,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.brand{color:inherit;text-decoration:none;display:flex;gap:14px;align-items:baseline}.brand b{font-size:14px;letter-spacing:.08em}.brand span{font-size:10px;color:#63727a;letter-spacing:.12em}nav{display:flex;gap:18px}nav a{font-size:11px;color:inherit;text-decoration:none;letter-spacing:.12em}section{padding:110px 7vw;border-bottom:1px solid var(--line)}.hero{min-height:92vh;background:linear-gradient(135deg,var(--blue),var(--paper) 55%);display:flex;flex-direction:column;justify-content:center}.eyebrow,.section-no{font-size:11px;letter-spacing:.18em;color:#53636b;margin-bottom:28px}.hero h1{font-family:Georgia,serif;font-size:clamp(68px,13vw,190px);line-height:.78;letter-spacing:-.065em;margin:0 0 55px}.lead{font-family:Georgia,'Noto Serif JP',serif;font-size:clamp(34px,5vw,72px);line-height:1.25;margin:0 0 28px}.copy{max-width:720px;font-size:18px}.cta,.link,.mail{display:inline-block;margin-top:28px;color:var(--ink);text-decoration:none;border-bottom:2px solid var(--ink);font-weight:700;padding-bottom:5px}h2{font-family:Georgia,'Noto Serif JP',serif;font-size:clamp(38px,6vw,80px);line-height:1.15;letter-spacing:-.03em;margin:0 0 60px}.process{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--ink)}.process article{padding:24px 20px 30px 0;border-right:1px solid var(--line)}.process i{font-style:normal;font-size:12px}.process h3{font-size:18px;letter-spacing:.06em}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.grid article{background:var(--paper);padding:34px;min-height:220px}.grid small{letter-spacing:.12em;color:#61717a}.grid h3{font-size:30px;margin:14px 0}.intake{background:#12171a;color:#f2f2ed}.raw{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid #657077}.raw p{margin:0;padding:25px 10px 25px 0;border-bottom:1px solid #657077;font-size:22px}.odd{background:var(--blue)}.odd p{max-width:850px;font-size:20px}.chain{font-family:monospace;font-size:clamp(18px,2.3vw,32px);padding:30px 0;border-top:1px solid;border-bottom:1px solid;overflow:auto}.philosophy blockquote{font-family:Georgia,'Noto Serif JP',serif;font-size:clamp(42px,7vw,96px);line-height:1.2;margin:0 0 40px}.world{text-align:center}.hierarchy{font-size:24px;line-height:2;margin:30px auto}.contact{background:#0f1316;color:#f3f1ec}.contact .mail{font-size:clamp(22px,4vw,50px);color:#f3f1ec;border-color:#f3f1ec}.company{margin-top:60px;color:#aab1b5}footer{padding:28px 7vw;font-size:10px;letter-spacing:.14em}.case-linked{position:relative}.case-evidence{font-size:13px;color:#53636b}.case-detail{display:inline-block;margin-top:18px;color:var(--ink);text-decoration:none;border-bottom:2px solid var(--ink);font-weight:700;padding-bottom:4px}.case-detail:hover{color:var(--accent);border-color:var(--accent)}@media(max-width:850px){header{align-items:flex-start}.brand{display:block}.brand span{display:block;margin-top:2px}nav{display:none}section{padding:80px 6vw}.hero{min-height:82vh}.process{grid-template-columns:1fr}.process article{border-right:0;border-bottom:1px solid var(--line)}.grid{grid-template-columns:1fr}.raw{grid-template-columns:1fr}.hero h1{font-size:19vw}.lead{font-size:10vw}}
main:not(#top) section{padding:clamp(48px,7vw,88px) max(6vw,calc((100vw - 1120px)/2))}
main:not(#top) .hero{min-height:auto;padding-top:clamp(64px,9vw,112px);padding-bottom:clamp(64px,9vw,112px)}
main:not(#top) .hero h1{font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:clamp(32px,4.5vw,64px);line-height:1.45;letter-spacing:.015em;max-width:14em;margin:0 0 32px;overflow-wrap:anywhere}
main:not(#top) h2{font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:clamp(24px,2.5vw,36px);line-height:1.55;letter-spacing:.015em;margin-bottom:24px;overflow-wrap:anywhere}
main:not(#top) section>p{max-width:46em;font-size:clamp(16px,1.3vw,18px);line-height:1.95;letter-spacing:.02em;margin:0 0 20px}
main:not(#top) .eyebrow{margin-bottom:24px}
.sources{list-style:none;padding:0;margin:0;max-width:54em;border-top:1px solid var(--line)}
.sources li{padding:18px 0;border-bottom:1px solid var(--line);display:grid;gap:6px}
.sources a{color:var(--ink);font-weight:700;text-decoration:none;border-bottom:1px solid var(--ink);width:fit-content}
.sources span{font-size:13px;line-height:1.7;color:#5d6a70}
@media(max-width:850px){main:not(#top) .hero h1{font-size:clamp(34px,9vw,52px);line-height:1.4;max-width:10em}main:not(#top) h2{font-size:clamp(22px,6vw,30px);line-height:1.5}}

/* global intelligence visual */
.visual-figure{max-width:1120px;margin:20px auto 52px;padding:0 24px}
.visual-figure img{display:block;width:100%;height:auto;border-radius:20px;border:1px solid var(--line);box-shadow:0 16px 40px rgba(15,32,44,.10);background:#071829}
.visual-figure figcaption{font-size:13px;line-height:1.7;color:#66737a;margin-top:12px}
@media(max-width:850px){
  .visual-figure{padding:0 20px;margin:12px auto 36px;max-width:100%;overflow:hidden}
  .visual-figure img{width:100%;max-width:100%;height:auto;object-fit:contain;border-radius:14px}
}