:root{
  --ground:#FBFBF9; --ink:#141413; --ink-2:#3A3A37; --mute:#6E6E68; --rule:#D9D9D3;
  --serif:'Newsreader','Noto Serif JP',Georgia,serif;
  --mono:'JetBrains Mono','Noto Sans JP',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--serif);min-height:100vh;display:flex;flex-direction:column;padding:0 24px}
a{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
a:hover{color:var(--mute)}
button{font:inherit;cursor:pointer}
.wrap{width:100%;max-width:780px;margin:0 auto;display:flex;flex-direction:column;flex-grow:1}
header{padding:40px 0 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px 32px}
.mark{font-family:var(--mono);font-size:26px;font-weight:500;letter-spacing:-.03em;text-decoration:none;line-height:1}
.hdr{display:flex;align-items:center;flex-wrap:wrap;gap:8px 28px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;line-height:1}
nav{display:flex;gap:28px}
nav a{text-decoration:none;padding:16px 0}
:lang(en) nav{text-transform:uppercase}
.lang{display:flex;align-items:center;gap:4px;margin-left:8px}
.lang a{text-decoration:none;padding:16px 6px;min-height:44px;display:inline-flex;align-items:center;color:var(--mute)}
.lang a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-underline-offset:5px}
.lang span{color:var(--rule)}
main{display:flex;flex-direction:column;flex-grow:1}
hr{border:0;border-top:1px solid var(--rule);margin:0}
.hero{padding:112px 0 72px;display:flex;flex-direction:column;gap:32px}
h1{margin:0;font-size:44px;font-weight:400;line-height:1.12;letter-spacing:-.015em;max-width:680px}
.lede{display:flex;flex-direction:column;gap:20px;font-size:20px;line-height:1.55;max-width:620px}
.lede p,.cards p,.contact p{margin:0}
section{padding:56px 0 72px;display:flex;flex-direction:column;gap:40px}
h2{margin:0;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.12em;color:var(--mute)}
:lang(en) h2{text-transform:uppercase}
.cards{display:flex;flex-wrap:wrap;gap:40px 48px}
.cards article{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:10px}
h3{margin:0;font-size:24px;font-weight:500;line-height:1.2}
.cards p{font-size:17px;line-height:1.55;color:var(--ink-2)}
.contact{padding-bottom:96px;gap:24px}
.contact p{font-size:20px;line-height:1.55;max-width:620px}
.mail{font-family:var(--mono);font-size:28px;letter-spacing:-.01em;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:6px;align-self:flex-start;line-height:1.2}
footer{padding:24px 0 40px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px 32px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--mute)}
/* language-suggestion bar: shown by script only when the browser language differs */
.altlang{display:none;justify-content:center;align-items:center;gap:16px;margin:0 -24px;padding:10px 24px;background:var(--ink);color:var(--ground);font-family:var(--mono);font-size:12px;letter-spacing:.06em}
.altlang[data-show]{display:flex}
.altlang a{color:var(--ground);text-underline-offset:3px}
.altlang button{background:none;border:0;color:var(--ground);opacity:.7;padding:8px;min-width:44px;min-height:36px}
/* Japanese type settings */
:lang(ja) h1{font-size:min(40px, calc((100vw - 48px) / 17.4));font-weight:500;line-height:1.35;letter-spacing:0;max-width:none;white-space:nowrap}
:lang(ja) .lede,:lang(ja) .contact p{font-size:18px;line-height:1.9}
:lang(ja) h3{font-size:22px;line-height:1.4}
:lang(ja) .cards p{font-size:16px;line-height:1.9}
@media (max-width:600px){
  body{padding:0 16px}
  h1{font-size:34px}
  :lang(ja) h1{font-size:min(40px, calc((100vw - 32px) / 17.4))}
  .hero{padding:72px 0 56px}
  .mail{font-size:22px}
  .altlang{margin:0 -16px;padding:10px 16px}
}
@media (prefers-reduced-motion:no-preference){a,button{transition:color .15s}}