:root{--bg:#fff;--ink:#111;--muted:#707070;--body:#444;--rule:#e4e4e4;--gutter:clamp(20px,5vw,72px);--max:1296px}
*{box-sizing:border-box}
html{color-scheme:light;scroll-behavior:smooth}
body{margin:0;overflow-x:hidden;background:var(--bg);color:var(--ink);font-family:"Geist","Noto Sans JP","Helvetica Neue",Arial,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
:lang(ja){font-family:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif}
a{color:inherit;text-decoration:none}
a:hover{opacity:.55}
a:focus-visible{outline:2px solid var(--ink);outline-offset:4px}
p,h1,h2,h3,dl,dd,dt,figure{margin:0}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}

.site-header{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--rule)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
.brand{font-weight:500;letter-spacing:-.01em;white-space:nowrap}
.brand.back{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
nav{display:flex;gap:clamp(14px,2.5vw,28px);overflow-x:auto;scrollbar-width:none;min-width:0}
nav::-webkit-scrollbar{display:none}
nav a{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
nav a:hover{color:var(--ink);opacity:1}

.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500;padding-top:4px}
.tag{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--body)}
.u{border-bottom:1px solid var(--ink)}
h3{font-size:20px;font-weight:500;letter-spacing:-.02em}
.link{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;padding-bottom:2px;border-bottom:1px solid var(--ink)}
.links{display:flex;flex-wrap:wrap;gap:12px 32px;align-items:center;justify-self:start}

.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:64px;align-items:center;padding-top:56px;padding-bottom:48px}
.hero-text{display:flex;flex-direction:column;gap:14px}
.hero h1{font-size:clamp(44px,7vw,80px);font-weight:500;line-height:.98;letter-spacing:-.035em;text-wrap:balance}
.hero .ja{font-size:18px;letter-spacing:.02em;color:var(--muted);margin-top:-4px}
.tagline{font-size:17px}
.intro{max-width:560px}
.portrait{width:320px;aspect-ratio:1;object-fit:cover;filter:grayscale(100%)}

.sec{border-top:1px solid var(--rule)}
.sec .wrap{display:grid;grid-template-columns:180px minmax(0,1fr);gap:56px;padding-top:44px;padding-bottom:44px}
.sec.tight .wrap{padding-top:36px;padding-bottom:36px}
.rows{display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 32px;align-items:start;padding:22px 0;border-top:1px solid var(--rule)}
.row:first-child{padding-top:0;border-top:0}
.row:last-child{padding-bottom:0}
.row>div:first-child{display:flex;flex-direction:column;gap:4px}
.row p{max-width:640px}
.row.stack{display:flex;flex-direction:column;gap:4px}
.row.stack p{max-width:720px}
.pub{font-size:17px;letter-spacing:-.01em;line-height:1.35}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 48px}
.card{display:flex;flex-direction:column;gap:10px}
.card p{max-width:460px}
.card strong{color:var(--ink);font-weight:600}
.exp{display:grid;grid-template-columns:48px minmax(0,1fr);gap:20px;align-items:start}
.exp img{width:48px;height:48px;object-fit:cover;border:1px solid var(--rule)}
.exp>div{display:flex;flex-direction:column;gap:2px}
.exp h3{font-size:17px;letter-spacing:-.01em}
.about-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px}
.facts{display:grid;grid-template-columns:110px minmax(0,1fr);gap:0 24px;align-content:start}
.facts dt,.facts dd{padding:10px 0;border-top:1px solid var(--rule)}
.facts dt:first-of-type,.facts dd:first-of-type{border-top:0;padding-top:0}
.facts dt{color:var(--muted);font-size:13px;letter-spacing:.04em}
.contact{display:flex;flex-direction:column;gap:14px}
.contact .eyebrow{padding-top:0}

.detail-hero .wrap{display:flex;flex-direction:column;gap:16px;padding-top:56px;padding-bottom:40px}
.detail-hero h1{font-size:clamp(36px,5vw,56px);font-weight:500;line-height:1.02;letter-spacing:-.03em;text-wrap:balance}
.lede{max-width:720px;font-size:19px;line-height:1.55;color:var(--body)}
.lede:has(> strong:only-child){font-size:clamp(28px,3vw,40px);letter-spacing:-.02em;line-height:1.1}
.hero-facts{max-width:760px;grid-template-columns:150px minmax(0,1fr);margin-top:8px}
.hero-facts dd{color:var(--body)}
.card strong+br{display:block;content:'';margin-bottom:4px}
.lede strong,.prose strong,.row strong{color:var(--ink);font-weight:600}
code{font-family:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;font-size:.92em;background:#f3f3f3;padding:1px 5px;border-radius:2px}
.prose .sec-body{display:flex;flex-direction:column;gap:12px}
.prose p{max-width:640px;color:#222}
.figures{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.figures figure{display:flex;flex-direction:column;gap:10px}
.figures img{width:100%;aspect-ratio:3/2;object-fit:cover}
.figures.phones{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:760px}
.figures.phones img{aspect-ratio:1179/2556;object-fit:contain;border:1px solid var(--rule);border-radius:18px}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px 32px}
.stat-n{font-size:clamp(34px,3.6vw,48px);font-weight:600;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.stat-l{font-size:13px;color:var(--muted);margin-top:6px;max-width:16em}
.chart{display:flex;flex-direction:column;gap:12px}
.chart img{width:100%;max-width:912px;height:auto}
.chart figcaption{font-size:13px;color:var(--muted);max-width:720px;line-height:1.55}
.prose .note{font-size:13px;color:var(--muted)}
.tbl{overflow-x:auto}
table{border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums;min-width:420px}
th,td{text-align:left;padding:9px 14px 9px 0;border-bottom:1px solid var(--rule);vertical-align:top}
th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500}
td.b{font-weight:600;color:var(--ink)}
td strong{font-weight:600}

.site-footer{border-top:1px solid var(--rule)}
.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:20px;padding-bottom:20px;font-size:12px;color:var(--muted);letter-spacing:.04em}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;gap:32px;padding-top:40px}
  .portrait{width:min(260px,60vw);order:-1}
  .sec .wrap{grid-template-columns:1fr;gap:16px;padding-top:32px;padding-bottom:32px}
  .cards,.about-grid,.figures{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .figures.phones{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
  .figures.phones img{border-radius:10px}
  .row{grid-template-columns:1fr}
  .row .links{justify-self:start}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}