:root{
  --paper:#fbfaf7;--paper-2:#f3f1ea;--ink:#151412;--ink-2:#3b3935;--muted:#7a766e;--line:#dcd9d0;--line-2:#b9b4a8;--dark:#151412;
  --display:'Libre Caslon Display',Georgia,'Times New Roman',serif;
  --text:'Libre Caslon Text',Georgia,'Times New Roman',serif;
  --heading:'Libre Caslon Display',Georgia,'Times New Roman',serif;
  --max:1120px;
}
html[lang="ja"]{
  --text:'Libre Caslon Text','Shippori Mincho','Hiragino Mincho ProN','Yu Mincho','Noto Serif JP',serif;
  --heading:'Shippori Mincho','Hiragino Mincho ProN','Yu Mincho','Noto Serif JP',serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--text);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
html[lang="ja"] body{font-size:16px;line-height:2;letter-spacing:.05em}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
section[id]{scroll-margin-top:90px}
.logo{font-family:var(--display);text-decoration:line-through;text-decoration-thickness:.08em;letter-spacing:.02em;line-height:1;white-space:nowrap}

/* header: floating "liquid glass" bar. Visible by default (no script needed). On the home pages an inline
   head script adds html.at-top while the logo-only hero is in view, which parks the bar off-screen: above the
   viewport on desktop, below it on phones (where the bar lives at the bottom, within thumb reach). */
.site-header{position:fixed;top:14px;left:0;right:0;margin:0 auto;width:min(1120px,calc(100% - 24px));z-index:50;border-radius:999px;background:linear-gradient(180deg,rgba(255,255,255,.66),rgba(255,255,255,.38));-webkit-backdrop-filter:blur(22px) saturate(170%);backdrop-filter:blur(22px) saturate(170%);border:1px solid rgba(255,255,255,.78);box-shadow:inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(21,20,18,.05),0 10px 34px rgba(21,20,18,.10),0 1px 2px rgba(21,20,18,.06);transition:top .45s cubic-bezier(.2,.7,.2,1),bottom .45s cubic-bezier(.2,.7,.2,1)}
html.at-top .site-header{top:-160px}
main.offset{padding-top:104px}
.site-header::before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(115deg,rgba(255,255,255,.55) 0%,rgba(255,255,255,0) 38%,rgba(255,255,255,0) 62%,rgba(255,255,255,.4) 100%);pointer-events:none}
.site-header .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 12px 0 26px}
.brand{font-size:22px;text-decoration:none;color:var(--ink);position:relative;top:-1px}
.header-right{display:flex;align-items:center}
.nav{display:flex;gap:32px}
.nav a{font-family:var(--text);font-size:12px;letter-spacing:.22em;text-transform:uppercase;text-decoration:none;color:var(--ink-2)}
html[lang="ja"] .nav a{font-family:var(--heading);font-weight:500;font-size:13px;letter-spacing:.22em;text-transform:none}
.nav a:hover{color:var(--ink)}
.lang{display:flex;align-items:center;gap:10px;margin-left:32px;padding-left:24px;border-left:1px solid rgba(21,20,18,.14);font-family:var(--text);font-size:12px;letter-spacing:.2em}
.lang a{text-decoration:none;color:var(--muted);padding-bottom:3px;border-bottom:1px solid transparent}
.lang a:hover{color:var(--ink)}
.lang a.is-current{color:var(--ink);border-bottom-color:var(--ink)}
.lang span{color:rgba(21,20,18,.25)}
.nav-toggle{display:none;background:none;border:0;padding:0;margin-left:14px;cursor:pointer;width:44px;height:44px;border-radius:999px;flex-direction:column;justify-content:center;align-items:center;gap:7px}
.nav-toggle span{display:block;width:22px;height:1.5px;background:var(--ink);transition:transform .25s,opacity .25s}
.nav-toggle.is-open span:first-child{transform:translateY(4.25px) rotate(45deg)}
.nav-toggle.is-open span:last-child{transform:translateY(-4.25px) rotate(-45deg)}
@media (max-width:860px){
  .site-header{top:auto;bottom:12px;width:calc(100% - 20px)}
  html.at-top .site-header{top:auto;bottom:-160px}
  body{padding-bottom:84px}
  main.offset{padding-top:28px}
  section[id]{scroll-margin-top:16px}
  .site-header .wrap{height:56px;padding:0 6px 0 20px}
  .brand{font-size:20px}
  .nav-toggle{display:flex}
  .nav{display:none}
  .nav.is-open{display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:auto;bottom:calc(100% + 10px);padding:10px 8px;border-radius:28px;background:linear-gradient(180deg,rgba(251,250,247,.97),rgba(251,250,247,.92));-webkit-backdrop-filter:blur(26px) saturate(170%);backdrop-filter:blur(26px) saturate(170%);border:1px solid rgba(255,255,255,.8);box-shadow:inset 0 1px 0 rgba(255,255,255,.95),0 14px 40px rgba(21,20,18,.14)}
  .nav.is-open a{display:block;padding:14px 18px;border-radius:18px;font-size:13px}
  html[lang="ja"] .nav.is-open a{font-size:14px}
  .nav.is-open a:active{background:rgba(21,20,18,.06)}
  .lang{margin-left:0;padding-left:0;border-left:0}
}

/* hero: first screen shows only the logotype */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 28px}
.hero .logo{display:block;font-size:clamp(56px,9vw,104px);margin:0 auto 20px}
.hero .tagline{font-family:var(--display);font-style:normal;font-size:clamp(16px,1.6vw,20px);letter-spacing:.1em;color:var(--ink-2);margin:0}
.scroll-cue{position:absolute;left:50%;bottom:36px;width:1px;height:56px;margin-left:-.5px;background:var(--line-2);overflow:hidden}
.scroll-cue::after{content:"";position:absolute;left:0;top:0;width:100%;height:100%;background:var(--ink);animation:cue 2.6s cubic-bezier(.65,0,.35,1) infinite}
@keyframes cue{0%{transform:translateY(-100%)}55%{transform:translateY(0)}100%{transform:translateY(100%)}}
@media (prefers-reduced-motion:reduce){.scroll-cue::after{animation:none;background:var(--line-2)}}

/* lede: headline block that appears after the first scroll */
.lede{padding:128px 0 120px;text-align:center}
.lede h1{font-family:var(--heading);font-weight:400;font-size:clamp(28px,3.6vw,44px);line-height:1.2;letter-spacing:.005em;margin:0 0 24px}
html[lang="ja"] .lede h1{font-weight:600;font-size:clamp(24px,3.2vw,36px);line-height:1.5;letter-spacing:.1em}
.lede .lead{max-width:680px;margin:0 auto 48px;font-size:18px;line-height:1.75;color:var(--ink-2)}
html[lang="ja"] .lede .lead{font-size:16px;line-height:2}
.btn{display:inline-block;padding:15px 34px;border:1px solid var(--ink);text-decoration:none;font-family:var(--text);font-size:12px;letter-spacing:.24em;text-transform:uppercase;transition:background .2s,color .2s}
html[lang="ja"] .btn{font-family:var(--heading);font-weight:500;font-size:13px;letter-spacing:.28em;text-transform:none;padding:14px 34px}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:transparent;color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media (max-width:760px){.lede{padding:96px 0 88px}.scroll-cue{bottom:28px;height:44px}}

/* sections */
.section{padding:96px 0}
.section.alt{background:var(--paper-2)}
.section-head{margin-bottom:40px}
.kicker{display:flex;align-items:center;gap:18px;font-family:var(--display);font-size:20px;letter-spacing:.12em;color:var(--muted);margin:0 0 14px}
.kicker::after{content:"";width:48px;height:1px;background:var(--line-2)}
.section-head.center .kicker{justify-content:center}
.section-head.center .kicker::before{content:"";width:48px;height:1px;background:var(--line-2)}
h2{font-family:var(--heading);font-weight:400;font-size:clamp(30px,3.4vw,42px);line-height:1.15;letter-spacing:.005em;margin:0 0 12px}
html[lang="ja"] h2{font-weight:600;font-size:clamp(24px,2.8vw,32px);line-height:1.4;letter-spacing:.1em}
.section-head .intro{max-width:640px;margin:0;color:var(--ink-2);font-size:17px;line-height:1.6}
html[lang="ja"] .section-head .intro{font-size:15.5px;line-height:1.85}
.grid{display:grid;gap:52px 56px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;gap:36px}.section{padding:72px 0}}
.card{border-top:1px solid var(--line-2);padding-top:20px}
html .card p.num{font-family:var(--display);font-size:36px;line-height:1;color:#cfcabf;margin:0 0 14px;letter-spacing:0}
.card h3{font-family:var(--heading);font-weight:400;font-size:25px;line-height:1.25;margin:0 0 14px}
html[lang="ja"] .card h3{font-weight:600;font-size:21px;letter-spacing:.08em;line-height:1.5}
@media (max-width:620px){html[lang="ja"] .card h3{font-size:19px;letter-spacing:.04em}}
.card p{margin:0 0 18px;font-size:16px;line-height:1.7;color:var(--ink-2)}
html[lang="ja"] .card p:not(.num){font-size:15px;line-height:1.95}
.card ul{list-style:none;margin:0;padding:0;font-size:15px;color:var(--ink-2)}
html[lang="ja"] .card ul{font-size:14px}
.card li{position:relative;padding-left:22px;line-height:1.8}
.card li::before{content:"\2014";position:absolute;left:0;color:var(--line-2)}

/* approach */
.approach .card{border-top-color:var(--line)}

/* the name */
.name{text-align:center}
.name .section-head{margin-bottom:24px}
.name-mark{display:flex;justify-content:center;align-items:baseline;gap:22px;flex-wrap:wrap;font-family:var(--display);font-size:clamp(26px,3.2vw,40px);line-height:1.2;margin:0 0 40px}
html[lang="ja"] .name-mark{font-family:var(--heading);font-weight:600;font-size:clamp(22px,2.6vw,32px);letter-spacing:.1em}
.name-mark .strike{text-decoration:line-through;text-decoration-thickness:.08em}
.name-mark .dot{color:var(--line-2)}
.name-text{max-width:680px;margin:0 auto}
.name-text p{margin:0 0 18px;font-size:18px;line-height:1.75;color:var(--ink-2)}
html[lang="ja"] .name-text p{font-size:16px;line-height:2}

/* work */
.work-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-2)}
.work-list li{display:grid;grid-template-columns:220px 1fr 260px;gap:36px;padding:26px 0;border-bottom:1px solid var(--line)}
.work-list .kind{font-family:var(--heading);font-size:22px;line-height:1.3}
html[lang="ja"] .work-list .kind{font-weight:600;font-size:18px;letter-spacing:.08em;line-height:1.6}
.work-list .what{font-size:16px;line-height:1.7;color:var(--ink-2)}
html[lang="ja"] .work-list .what{font-size:15px;line-height:1.95}
.work-list .result{font-size:14px;line-height:1.6;color:var(--ink-2)}
.work-list .result b{display:block;font-family:'Libre Caslon Display','Shippori Mincho','Hiragino Mincho ProN','Yu Mincho',serif;font-weight:400;font-size:26px;line-height:1.25;color:var(--ink);margin-bottom:8px}
html[lang="ja"] .work-list .result b{font-size:24px;letter-spacing:.04em}
@media (max-width:860px){.work-list li{grid-template-columns:1fr;gap:12px}}
.note{font-size:14px;font-style:italic;color:var(--muted);margin:22px 0 0}
html[lang="ja"] .note{font-style:normal;font-size:13px}

/* company */
.company dl{display:grid;grid-template-columns:220px 1fr;margin:0;border-top:1px solid var(--line-2)}
.company dt,.company dd{margin:0;padding:22px 0;border-bottom:1px solid var(--line)}
.company dt{font-family:var(--text);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-2);padding-top:27px}
html[lang="ja"] .company dt{font-family:var(--heading);font-weight:600;font-size:14px;letter-spacing:.14em;text-transform:none;padding-top:24px}
.company dd{font-size:16px;line-height:1.7;color:var(--ink-2)}
html[lang="ja"] .company dd{font-size:15px;line-height:1.95}
@media (max-width:620px){.company dl{grid-template-columns:1fr}.company dt{padding-bottom:0;border-bottom:0}.company dd{padding-top:6px}}

/* contact */
.contact{background:var(--dark);color:var(--paper);text-align:center;padding:128px 0}
.contact .section-head{margin-bottom:16px}
.contact .kicker{color:#8f8a80}
.contact .kicker::before,.contact .kicker::after{background:#4a4740}
.contact h2{color:var(--paper)}
.contact p{max-width:600px;margin:0 auto 44px;font-size:17px;line-height:1.7;color:#cfcac0}
html[lang="ja"] .contact p{font-size:15.5px;line-height:2}
.contact .btn{border-color:var(--paper);color:var(--paper);background:transparent}
.contact .btn:hover{background:var(--paper);color:var(--ink)}
@media (max-width:620px){.contact{padding:92px 0}}

/* footer */
.site-footer{padding:52px 0 44px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap}
.site-footer .logo{display:block;font-size:22px;color:var(--ink);margin-bottom:12px}
.site-footer address{font-style:normal;line-height:1.7}
html[lang="ja"] .site-footer address{font-size:13px}
.site-footer nav{display:flex;gap:24px;flex-wrap:wrap}
.site-footer nav a{font-family:var(--text);font-size:11px;letter-spacing:.22em;text-transform:uppercase;text-decoration:none}
html[lang="ja"] .site-footer nav a{font-family:var(--heading);font-weight:500;font-size:12px;letter-spacing:.16em;text-transform:none}
.site-footer nav a:hover{color:var(--ink)}
.copyright{width:100%;margin:26px 0 0;padding-top:22px;border-top:1px solid var(--line);font-family:var(--text);font-size:11px;letter-spacing:.2em;text-transform:uppercase}

/* legal / simple pages */
.legal{padding:80px 0 120px;max-width:760px}
.legal h1{font-family:var(--heading);font-weight:400;font-size:40px;line-height:1.15;margin:0 0 8px}
html[lang="ja"] .legal h1{font-weight:600;font-size:28px;letter-spacing:.1em;line-height:1.4}
.legal .date{font-family:var(--text);font-style:italic;font-size:14px;color:var(--muted);margin:0 0 44px}
html[lang="ja"] .legal .date{font-style:normal;font-size:13px}
.legal h2{font-family:var(--heading);font-weight:400;font-size:24px;line-height:1.3;letter-spacing:0;margin:44px 0 12px}
html[lang="ja"] .legal h2{font-weight:600;font-size:19px;letter-spacing:.08em}
.legal p,.legal li{font-size:16px;line-height:1.75;color:var(--ink-2)}
html[lang="ja"] .legal p,html[lang="ja"] .legal li{font-size:15px;line-height:2}
.legal ul,.legal ol{padding-left:1.4em;margin:0 0 16px}
.legal p{margin:0 0 16px}
.simple{min-height:60vh;display:flex;align-items:center;text-align:center;padding:80px 0}
.simple .logo{display:block;font-size:clamp(56px,10vw,96px);margin:0 auto 32px}
.simple p{color:var(--ink-2);margin:0 0 28px}