:root {
  color-scheme: light;
  --paper: #f6f4ee;
  --ink: #1c2b3b;
  --muted: #536171;
  --blue: #315ce8;
  --blue-hover: #2448c2;
  --rule: #d7dbd8;
  --sheet: #e1e7db;
  --back-sheet: #cbd7ca;
  --focus: #315ce8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
a, button { touch-action: manipulation; }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 6px; }
::selection { background: #d9e2ff; color: var(--ink); }
h1, h2, h3, p { margin: 0; }
h1, h2, .closing p { text-wrap: balance; }
svg { display: block; }
.page-wrap { max-width: 1440px; margin: 0 auto; padding: 0 64px; }
.skip-link { position: fixed; top: -80px; left: 20px; z-index: 10; padding: 10px 16px; color: white; background: var(--ink); border-radius: 6px; }
.skip-link:focus { top: 20px; }
.site-header { min-height: 112px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--rule); }
.wordmark { display: inline-flex; align-items: baseline; font-size: 32px; line-height: 1; font-weight: 750; letter-spacing: -.04em; }
.wordmark span { color: var(--blue); }
.site-header nav { display: flex; align-items: center; gap: 34px; }
.site-header nav a { font-size: 13px; font-weight: 500; color: var(--muted); transition: color 160ms ease; }
.site-header nav a:hover { color: var(--blue); }
.hero { min-height: 724px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, 1fr); gap: 48px; align-items: center; padding: 62px 0 84px; }
.hero-copy { position: relative; z-index: 1; }
h1, h2, .closing p { font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.04em; }
h1 { font-size: clamp(52px, 5.45vw, 77px); line-height: 1.09; }
h1 em, h2 em, .closing em { font-weight: 400; }
.hero-description { margin-top: 32px; max-width: 40ch; font-size: 15px; line-height: 1.8; color: var(--muted); }
.primary-link { margin-top: 32px; display: inline-flex; gap: 16px; align-items: center; padding: 13px 21px; border-radius: 6px; background: var(--blue); color: white; font-size: 13px; line-height: 1.5; font-weight: 600; transition: background-color 180ms ease; }
.primary-link:hover { background: var(--blue-hover); }
.primary-link svg, .back-top svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.hero-art { position: relative; justify-self: center; width: min(100%, 390px); height: 450px; }
.art-sheet { position: absolute; inset: 24px 24px 28px 22px; border-radius: 4px; }
.art-sheet-back { background: var(--back-sheet); transform: rotate(9deg) translate(10px, 10px); }
.art-sheet-front { display: flex; flex-direction: column; background: var(--sheet); padding: 26px; transform: rotate(-6deg); overflow: hidden; }
.art-title, .art-caption { position: relative; z-index: 2; font-size: 11px; line-height: 1.5; letter-spacing: .01em; font-weight: 500; color: #35483f; }
.art-title { align-self: flex-start; }
.art-letter { flex: 1; display: flex; justify-content: center; align-items: center; padding-bottom: 40px; font-family: Georgia, "Times New Roman", serif; font-style: italic; font-size: 300px; line-height: .75; letter-spacing: -.04em; color: var(--blue); }
.art-rule { height: 1px; background: #a9b6a8; margin-bottom: 12px; }
.art-caption { align-self: flex-end; }
.art-orbit { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.art-orbit path { stroke: var(--ink); stroke-width: 1; }
.art-orbit circle { fill: var(--blue); stroke: var(--paper); stroke-width: 5; }
.section-anchor { scroll-margin-top: 32px; }
.about { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 80px; padding: 86px 0 96px; border-top: 1px solid var(--rule); }
h2 { font-size: 46px; line-height: 1.2; }
.about-copy { padding-top: 7px; max-width: 48ch; color: var(--muted); font-size: 15px; line-height: 1.9; }
.about-copy p + p { margin-top: 22px; }
.approach { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 80px; padding: 88px 0 96px; border-top: 1px solid var(--rule); }
.approach-intro > p { max-width: 28ch; color: var(--muted); font-size: 14px; line-height: 1.8; margin-top: 24px; }
.principle { display: grid; grid-template-columns: 128px minmax(0, 1fr); gap: 26px; padding: 0 0 28px; }
.principle + .principle { border-top: 1px solid var(--rule); padding-top: 28px; }
.principle:last-child { padding-bottom: 0; }
.principle h3 { font-size: 14px; font-weight: 600; line-height: 1.8; }
.principle p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.closing { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; padding: 74px 0 80px; border-top: 1px solid var(--rule); }
.closing p { font-size: 58px; line-height: 1.12; }
.back-top { display: inline-flex; align-items: center; gap: 18px; font-size: 12px; font-weight: 500; color: var(--muted); padding: 10px 0; }
.back-top:hover { color: var(--blue); }
.site-footer { min-height: 108px; display: flex; align-items: center; gap: 38px; border-top: 1px solid var(--rule); }
.site-footer .wordmark { font-size: 25px; }
.site-footer > span { color: var(--muted); font-size: 11px; }
.footer-place { margin-left: auto; }

@media (min-width: 1500px) {
  .page-wrap { padding: 0 80px; }
}
@media (max-width: 1100px) {
  .page-wrap { padding: 0 40px; }
  .hero { min-height: 640px; gap: 24px; grid-template-columns: minmax(0, 1.25fr) minmax(260px, 1fr); }
  h1 { font-size: 58px; }
  .hero-art { height: 380px; }
  .art-letter { font-size: 250px; }
  .about, .approach { gap: 42px; }
  h2 { font-size: 40px; }
  .principle { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 760px) {
  .page-wrap { padding: 0 24px; }
  .site-header { min-height: 86px; gap: 16px; }
  .wordmark { font-size: 28px; }
  .site-header nav { gap: 18px; }
  .site-header nav a { font-size: 11px; }
  .hero { min-height: 0; grid-template-columns: 1fr; gap: 30px; padding: 58px 0 62px; }
  h1 { font-size: clamp(39px, 9.4vw, 60px); line-height: 1.1; }
  .hero-description { max-width: 35ch; margin-top: 25px; font-size: 14px; line-height: 1.8; }
  .primary-link { margin-top: 26px; padding: 13px 18px; }
  .hero-art { width: min(100%, 330px); height: 330px; margin-top: 0; }
  .art-sheet { inset: 15px 28px 14px 24px; }
  .art-sheet-front { padding: 22px; }
  .art-letter { font-size: 225px; padding-bottom: 24px; }
  .art-title, .art-caption { font-size: 10px; }
  .art-orbit { inset: -10px 0 0; }
  .about, .approach { grid-template-columns: 1fr; gap: 28px; padding: 54px 0 58px; }
  h2 { font-size: 34px; }
  .about-copy { max-width: 48ch; padding: 0; font-size: 14px; line-height: 1.85; }
  .about-copy p + p { margin-top: 18px; }
  .approach-intro > p { max-width: 32ch; margin-top: 18px; }
  .principles { padding-top: 4px; }
  .principle { grid-template-columns: 1fr; gap: 8px; padding-bottom: 22px; }
  .principle + .principle { padding-top: 22px; }
  .principle h3, .principle p { font-size: 14px; }
  .closing { align-items: flex-start; flex-direction: column; gap: 28px; padding: 54px 0; }
  .closing p { font-size: 42px; }
  .back-top { padding: 0; }
  .site-footer { flex-wrap: wrap; min-height: 128px; padding: 26px 0; gap: 14px 24px; }
  .site-footer .wordmark { font-size: 25px; }
  .site-footer > span { font-size: 10px; }
  .footer-place { margin-left: 0; flex-basis: 100%; }
}
@media (max-width: 360px) {
  .page-wrap { padding: 0 20px; }
  .site-header nav { gap: 12px; }
  .site-header nav a { font-size: 10px; }
  .hero { padding-top: 48px; }
  h1 { font-size: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
