:root {
  --red: #c40024;
  --deep-red: #7d0000;
  --ink: #111111;
  --muted: #696969;
  --line: #dedede;
  --paper: #ffffff;
  --soft: #f4f4f4;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  padding: 18px max(28px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(17, 17, 17, 0.1);
  backdrop-filter: blur(16px);
}
.brand img { width: 205px; height: auto; }
nav { display: flex; align-items: center; gap: 34px; }
nav a {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}
.nav-contact { color: var(--red); }

.hero {
  position: relative;
  min-height: calc(100vh - 86px);
  overflow: hidden;
  padding: 80px max(28px, calc((100vw - var(--max)) / 2)) 100px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #ffffff 0 78%, #f2f2f2 78% 100%);
}
.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 13%;
  width: 22%;
  height: 11px;
  background: var(--red);
  transform: translateX(48%);
}
.hero-watermark {
  position: absolute;
  right: -0.06em;
  bottom: -0.31em;
  color: transparent;
  font-size: clamp(24rem, 42vw, 45rem);
  font-weight: 950;
  line-height: 1;
  -webkit-text-stroke: 1px rgba(17,17,17,.055);
  pointer-events: none;
}
.hero-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: calc(100vh - 266px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  align-items: center;
  gap: clamp(42px, 5vw, 76px);
}
.hero-copy {
  min-width: 0;
}
.hero-kicker, .section-label, .profile-role {
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.2em;
}
.hero-kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.hero-kicker span { width: 34px; height: 4px; background: var(--red); }
.hero h1 {
  margin: 0;
  font-size: clamp(4rem, 6.5vw, 6.8rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.055em;
}
.hero-line { display: block; white-space: nowrap; }
.hero-accent {
  color: var(--red);
  font-size: 0.72em;
  font-style: normal;
  letter-spacing: -0.065em;
}
.hero-lead {
  max-width: 790px;
  margin: 38px 0 0;
  font-size: clamp(1rem, 1.32vw, 1.15rem);
  font-weight: 500;
  line-height: 1.9;
}
.lead-line { display: block; }
.hero-actions { display: flex; gap: 28px; margin-top: 42px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 210px;
  padding: 16px 20px;
  font-weight: 800;
  text-decoration: none;
}
.button-primary { color: white; background: var(--ink); }
.button-primary:hover, .button-primary:focus-visible { background: var(--red); }
.button-text { min-width: 185px; border-bottom: 2px solid var(--ink); }
.hero-disciplines {
  display: flex;
  gap: 22px;
  margin-top: 54px;
  color: #7c7c7c;
  font-size: .62rem;
  font-weight: 900;
  letter-spacing: .13em;
}
.hero-disciplines span {
  padding-top: 9px;
  border-top: 1px solid #bdbdbd;
}
.hero-art {
  position: relative;
  justify-self: end;
  width: min(100%, 300px);
  padding: 34px 20px 50px 0;
}
.hero-art::before {
  content: "";
  position: absolute;
  top: 7px;
  right: 0;
  width: 68%;
  height: 29%;
  border-top: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
}
.hero-art-axis {
  position: absolute;
  top: 50%;
  right: -114px;
  color: #777;
  font-size: .56rem;
  font-weight: 900;
  letter-spacing: .18em;
  transform: rotate(90deg);
}
.hero-visual {
  position: relative;
  height: min(58vh, 520px);
  min-height: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 34px 28px;
  color: #ffffff;
  background: linear-gradient(145deg, #d00027 0%, #9d001b 100%);
  box-shadow: 20px 20px 0 var(--ink);
}
.hero-visual::before {
  content: "";
  position: absolute;
  top: -16px;
  left: -16px;
  width: 44px;
  height: 44px;
  border-top: 5px solid var(--red);
  border-left: 5px solid var(--red);
}
.hero-visual::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: rgba(255, 255, 255, 0.24);
}
.hero-visual-index {
  position: absolute;
  top: 22px;
  left: 24px;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}
.hero-visual-cross {
  position: absolute;
  top: 23px;
  right: 22px;
  width: 22px;
  height: 22px;
}
.hero-visual-cross::before,
.hero-visual-cross::after {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 22px;
  height: 1px;
  background: rgba(255,255,255,.8);
}
.hero-visual-cross::after { transform: rotate(90deg); }
.hero-visual img {
  position: relative;
  z-index: 1;
  width: min(75%, 190px);
  filter: brightness(0) invert(1);
}
.hero-visual p {
  position: absolute;
  right: 18px;
  bottom: 21px;
  left: 24px;
  margin: 0;
  font-size: 0.66rem;
  font-weight: 900;
  line-height: 1.6;
  letter-spacing: 0.11em;
}
.hero-art-note {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 9px 12px;
  color: white;
  background: var(--ink);
  font-size: .54rem;
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: .12em;
}

.section { max-width: var(--max); margin: 0 auto; padding: 120px 28px; }
.section-label { color: var(--red); white-space: nowrap; }
.intro { display: grid; grid-template-columns: 1fr 3fr; gap: 60px; }
.intro-copy { max-width: 880px; }
.intro h2, .section-heading h2, .profile h2, .contact h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.045em;
}
.intro h2 span,
.contact h2 span { display: block; }
.intro h2 span { white-space: nowrap; }
.intro-copy > p { max-width: 760px; margin: 36px 0 0; color: #333; font-size: 1.05rem; }

.services { max-width: none; background: var(--soft); }
.services > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 48px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--ink); }
.service-card { min-height: 560px; padding: 38px; background: white; border-right: 1px solid var(--ink); }
.service-card:last-child { border-right: 0; }
.service-card-dark { color: white; background: var(--ink); }
.service-no { margin-bottom: 70px; color: var(--red); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.16em; }
.service-card-dark .service-no { color: #ff4668; }
.service-card h3 { margin: 0; font-size: 2rem; line-height: 1.3; letter-spacing: -0.03em; }
.service-card p { margin: 28px 0; color: #4d4d4d; }
.service-card-dark p { color: #d2d2d2; }
.service-card ul { margin: 0; padding: 24px 0 0; border-top: 1px solid #ccc; list-style: none; }
.service-card li { padding: 5px 0; font-size: 0.9rem; font-weight: 700; }
.service-card li::before { content: "—"; margin-right: 10px; color: var(--red); }

.profile { display: grid; grid-template-columns: 1fr 3fr; gap: 60px; }
.profile-aside { display: flex; flex-direction: column; justify-content: space-between; }
.profile-monogram { color: #e9e9e9; font-size: 5.8rem; font-weight: 950; letter-spacing: -0.09em; }
.profile-role { margin: 0 0 10px; color: var(--red); }
.profile h2 span { display: block; margin-top: 8px; color: var(--muted); font-size: 0.96rem; font-weight: 700; letter-spacing: 0.08em; }
.profile-summary { max-width: 780px; margin: 36px 0 52px; font-size: 1.08rem; }
.career-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.career-grid > div { padding: 24px; background: white; }
.career-grid strong { color: var(--red); font-size: 0.74rem; letter-spacing: 0.15em; }
.career-grid p { margin: 12px 0 0; font-size: 0.9rem; line-height: 1.75; }

.contact {
  max-width: none;
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  align-items: end;
  gap: 60px;
  padding-left: max(28px, calc((100vw - var(--max)) / 2));
  padding-right: max(28px, calc((100vw - var(--max)) / 2));
  color: white;
  background: var(--red);
}
.section-label-light { margin-bottom: 22px; color: white; }
.contact h2 { font-size: clamp(2rem, 3.5vw, 3.4rem); }
.contact h2 span { white-space: nowrap; }
.contact-link {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  border-top: 2px solid white;
  border-bottom: 2px solid white;
  font-size: clamp(0.95rem, 1.5vw, 1.2rem);
  font-weight: 800;
  text-decoration: none;
}

footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 28px;
  font-size: 0.75rem;
}
footer img { width: 150px; }
footer p:nth-child(2) { text-align: center; }
footer p:last-child { text-align: right; }

@media (max-width: 1050px) {
  .hero { background: white; }
  .hero-shell { grid-template-columns: 1fr; gap: 56px; }
  .hero-art { justify-self: stretch; width: calc(100% - 20px); padding-top: 20px; }
  .hero-art-axis { display: none; }
  .hero-visual { width: 100%; height: 190px; min-height: 190px; justify-self: start; }
  .hero-visual img { width: 150px; }
  .hero::after { bottom: 6%; }
  .intro h2 { font-size: clamp(2.2rem, 4.2vw, 3.6rem); }
  .contact { grid-template-columns: 1.55fr 1fr; gap: 42px; }
  .contact h2 { font-size: clamp(2rem, 3vw, 2.7rem); }
}

@media (max-width: 900px) {
  nav a:not(.nav-contact) { display: none; }
  .hero { min-height: 760px; }
  .intro, .profile { grid-template-columns: 1fr; gap: 36px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; border-right: 0; border-bottom: 1px solid var(--ink); }
  .service-card:last-child { border-bottom: 0; }
  .service-no { margin-bottom: 34px; }
  .contact { grid-template-columns: 1fr; align-items: start; }
  .contact h2 { font-size: clamp(2rem, 4.8vw, 2.7rem); }
}

@media (max-width: 620px) {
  .site-header { min-height: 72px; padding: 15px 20px; }
  .brand img { width: 155px; }
  .hero { min-height: calc(100svh - 72px); padding: 58px 22px 78px; }
  .hero-shell { min-height: auto; gap: 48px; }
  .hero::after { display: none; }
  .hero-watermark { right: -.1em; bottom: -.2em; font-size: 25rem; }
  .hero h1 { font-size: 13vw; }
  .hero-accent { font-size: 0.63em; }
  .hero-lead { margin-top: 28px; font-size: 1rem; }
  .lead-line { display: inline; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 8px; margin-top: 32px; }
  .hero-disciplines { display: none; }
  .hero-art { width: calc(100% - 12px); padding: 18px 12px 28px 0; }
  .hero-art-note { right: -1px; }
  .hero-visual { height: 160px; min-height: 160px; padding: 24px; box-shadow: 12px 12px 0 var(--ink); }
  .hero-visual img { width: 118px; }
  .hero-visual p { right: 14px; bottom: 14px; left: 18px; font-size: 0.57rem; }
  .button { width: 100%; }
  .section { padding: 82px 22px; }
  .intro h2, .section-heading h2, .profile h2, .contact h2 { font-size: 2.25rem; }
  .intro h2 span, .contact h2 span { white-space: normal; }
  .section-heading { align-items: start; flex-direction: column; gap: 18px; }
  .service-card { padding: 30px 24px; }
  .service-card h3 { font-size: 1.7rem; }
  .career-grid { grid-template-columns: 1fr; }
  .profile-monogram { display: none; }
  .contact { padding: 82px 22px; }
  .contact-link span:first-child { overflow-wrap: anywhere; }
  footer { grid-template-columns: 1fr; gap: 14px; padding: 30px 22px; }
  footer p { margin: 0; }
  footer p:nth-child(2), footer p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}