:root {
  --outside: #d0d0d0;
  --paper: #f8f8f6;
  --ink: #111111;
  --muted: #777777;
  --line: #d9d9d6;
  --line-dark: #1b1b1b;
  --soft: #efefec;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--outside);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", sans-serif;
  letter-spacing: -0.03em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.3'/%3E%3C/svg%3E");
}

.page-shell {
  width: min(1760px, calc(100% - 96px));
  min-height: calc(100vh - 96px);
  margin: 48px auto;
  background: var(--paper);
  border: 1px solid rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-shell::before {
  width: 520px;
  height: 520px;
  right: -260px;
  top: 210px;
}

.page-shell::after {
  width: 240px;
  height: 240px;
  left: -120px;
  bottom: 220px;
}

.site-header {
  height: 142px;
  padding: 0 170px;
  display: grid;
  grid-template-columns: 170px 1fr 230px;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 2;
}

.brand,
nav a,
.mini-links a,
.round-arrow {
  color: inherit;
  text-decoration: none;
}

.brand {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.07em;
}

.brand span { color: #909090; }

nav {
  display: flex;
  justify-content: center;
  gap: 0;
}

nav a,
.mini-links a,
.mini-links button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: transparent;
  font: inherit;
  font-size: 14px;
  letter-spacing: -0.03em;
  transition: background 160ms ease, color 160ms ease;
}

nav a {
  min-width: 160px;
  padding: 0 30px;
  margin-left: -1px;
}

nav a:hover,
.mini-links a:hover,
.mini-links button:hover {
  background: var(--ink);
  color: var(--paper);
}

.mini-links {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.mini-links a {
  min-width: 68px;
  padding: 0 18px;
  font-size: 13px;
}

.mini-links button {
  width: 58px;
  cursor: pointer;
}

.mini-links button span {
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
}

.mini-links button span + span { margin-left: -16px; transform: translateY(6px); }

main { position: relative; z-index: 1; }

.hero {
  min-height: 820px;
  padding: 90px 170px 70px;
  display: grid;
  grid-template-columns: 260px 1fr 260px;
  grid-template-rows: auto 1fr;
  column-gap: 40px;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  left: 170px;
  right: 170px;
  top: 50%;
  border-top: 1px solid var(--line);
  z-index: -1;
}

.hero-title-wrap {
  grid-column: 1 / -1;
  position: relative;
  z-index: 2;
}

h1, h2, h3, p, blockquote { margin: 0; }

h1 {
  font-size: clamp(74px, 12.2vw, 220px);
  line-height: 0.82;
  font-weight: 760;
  letter-spacing: -0.105em;
  text-align: center;
}

h1 span { display: block; }

h1 span:first-child {
  background: linear-gradient(90deg, #9a9a96 0%, #111 32%, #111 64%, #8b8b88 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h1 span:last-child {
  background: linear-gradient(90deg, #777 0%, #111 28%, #111 72%, #b7b7b3 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  position: absolute;
  right: 0;
  bottom: 12px;
  font-size: clamp(20px, 2.1vw, 38px);
  font-weight: 500;
  letter-spacing: -0.08em;
}

.hero-left,
.hero-right {
  padding-top: 82px;
  align-self: start;
  font-size: 24px;
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: -0.06em;
}

.hero-left p + p { margin-top: 8px; color: var(--muted); }

.hero-right {
  justify-self: end;
  text-align: right;
  padding-top: 290px;
}

.hero-right p + p { margin-top: 34px; }

.round-arrow {
  width: 150px;
  height: 150px;
  margin-top: 56px;
  display: grid;
  place-items: center;
  border: 1px solid #999;
  border-radius: 50%;
}

.round-arrow svg {
  width: 58px;
  height: 58px;
}

.round-arrow path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.line-portrait {
  grid-column: 2;
  width: min(520px, 42vw);
  align-self: end;
  justify-self: center;
  margin-top: -20px;
  opacity: 0.92;
}

.line-portrait svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.line-portrait path,
.line-portrait circle {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.15;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.line-portrait circle { stroke: #c8c8c4; }
.line-portrait .p3, .line-portrait .p4 { stroke-width: 1.6; }

.section {
  padding: 108px 170px;
  border-top: 1px solid var(--line);
  position: relative;
}

.section-label {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 34px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 86px;
  align-items: start;
}

.about-grid .section-label { grid-column: 1 / -1; }

h2 {
  font-size: clamp(42px, 5.6vw, 92px);
  line-height: 0.95;
  font-weight: 680;
  letter-spacing: -0.095em;
  max-width: 980px;
}

.about-copy {
  border-left: 1px solid var(--line-dark);
  padding-left: 34px;
  font-size: 22px;
  line-height: 1.5;
  color: #333;
}

.about-copy p + p { margin-top: 24px; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line-dark);
}

.cards article {
  min-height: 300px;
  padding: 34px;
  border-right: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.18);
}

.cards article:last-child { border-right: 0; }

.cards span {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 74px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  font-size: 13px;
}

h3 {
  font-size: 38px;
  line-height: 0.95;
  letter-spacing: -0.085em;
  margin-bottom: 18px;
}

.cards p {
  max-width: 280px;
  color: #444;
  font-size: 18px;
  line-height: 1.45;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr 370px;
  gap: 80px;
}

.contact-section .section-label { grid-column: 1 / -1; }

blockquote {
  max-width: 940px;
  font-size: clamp(48px, 7vw, 118px);
  line-height: 0.92;
  font-weight: 730;
  letter-spacing: -0.105em;
}

.contact-line {
  align-self: end;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
  font-size: 18px;
}

.contact-line span:last-child {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.site-footer {
  min-height: 88px;
  padding: 0 170px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
}

@media (max-width: 1280px) {
  .page-shell { width: min(100% - 48px, 1760px); margin: 24px auto; }
  .site-header, .hero, .section, .site-footer { padding-left: 56px; padding-right: 56px; }
  .site-header { grid-template-columns: 130px 1fr 190px; }
  nav a { min-width: 120px; padding: 0 18px; }
  .hero { grid-template-columns: 210px 1fr 210px; }
  .hero::before { left: 56px; right: 56px; }
}

@media (max-width: 920px) {
  .page-shell { width: calc(100% - 24px); margin: 12px auto; min-height: calc(100vh - 24px); }
  .site-header { height: auto; padding-top: 22px; padding-bottom: 22px; grid-template-columns: 1fr auto; }
  nav { display: none; }
  .mini-links a { display: none; }
  .hero { min-height: auto; padding-top: 72px; grid-template-columns: 1fr; }
  .hero::before { top: 58%; }
  h1 { text-align: left; font-size: clamp(72px, 19vw, 132px); }
  .hero-subtitle { position: static; margin-top: 22px; }
  .hero-left, .hero-right { padding-top: 42px; justify-self: start; text-align: left; }
  .hero-right { padding-top: 38px; }
  .hero-right p + p { margin-top: 12px; }
  .round-arrow { width: 104px; height: 104px; margin-top: 30px; }
  .line-portrait { grid-column: 1; width: min(360px, 78vw); margin: 12px 0 0; }
  .about-grid, .contact-section { grid-template-columns: 1fr; gap: 44px; }
  .about-copy { font-size: 19px; }
  .cards { grid-template-columns: 1fr; }
  .cards article { border-right: 0; border-bottom: 1px solid var(--line-dark); min-height: 230px; }
  .cards article:last-child { border-bottom: 0; }
  .cards span { margin-bottom: 42px; }
  .site-footer { flex-direction: column; align-items: flex-start; justify-content: center; }
}

@media (max-width: 560px) {
  .site-header, .hero, .section, .site-footer { padding-left: 22px; padding-right: 22px; }
  .section { padding-top: 72px; padding-bottom: 72px; }
  .brand { font-size: 24px; }
  h2 { font-size: 44px; }
  blockquote { font-size: 52px; }
}