:root {
  --blue: #2f78bd;
  --blue-dark: #1c5c9a;
  --ink: #202529;
  --text: #354253;
  --muted: #66717c;
  --line: #d9e1e8;
  --soft: #f2f6f9;
  --paper: #ffffff;
  --charcoal: #24292c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(90deg, rgba(47, 120, 189, 0.09) 0 1px, transparent 1px),
    linear-gradient(180deg, #eaf1f6 0%, #f7fafc 36%, #eaf1f6 100%);
  background-size: 48px 48px, auto;
  letter-spacing: 0;
}

a,
button {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 230px auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 82px;
  padding: 0 34px;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand img {
  display: block;
  width: 220px;
  max-height: 58px;
  object-fit: contain;
}

.menu-button {
  display: none;
  color: var(--ink);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 12px;
  cursor: pointer;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 26px;
}

.site-nav a {
  position: relative;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
  padding: 31px 0;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--blue-dark);
}

.site-nav a.active::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 3px;
  content: "";
  background: var(--blue);
}

.layout {
  max-width: 1440px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.84);
  border-right: 1px solid rgba(217, 225, 232, 0.8);
  border-left: 1px solid rgba(217, 225, 232, 0.8);
}

.proposal {
  min-width: 0;
}

.section-block {
  scroll-margin-top: 82px;
  padding: 76px 84px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 14px;
  color: var(--blue-dark);
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 850;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 28px;
  color: var(--ink);
  font-size: clamp(48px, 5.8vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  max-width: 900px;
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.2;
}

p {
  color: var(--text);
  font-size: 16px;
  line-height: 1.58;
}

.opening {
  background:
    radial-gradient(circle at 78% 14%, rgba(47, 120, 189, 0.22), transparent 30%),
    linear-gradient(90deg, rgba(47, 120, 189, 0.16) 0 14px, transparent 14px),
    linear-gradient(180deg, #f8fbfd 0%, #edf5fa 100%);
}

.opening-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(430px, 1fr);
  gap: 58px;
  align-items: center;
}

.thesis {
  max-width: 760px;
}

.thesis p {
  font-size: 19px;
  line-height: 1.56;
}

.hero-visual {
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-visual figcaption {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 24px;
  background: #fff;
  border-top: 1px solid var(--line);
}

.hero-visual figcaption p {
  grid-column: 2;
  margin: 0;
}

.hero-visual span,
.decision-strip span,
.experiment-list span,
.wedge-grid span,
.area-grid span,
.commercial-grid span,
.document-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--blue-dark);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 850;
}

.hero-visual strong {
  display: block;
  margin-bottom: 0;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.12;
}

.opportunity {
  max-width: 980px;
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.opportunity h2 {
  margin-bottom: 12px;
  font-size: 28px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.principles div {
  padding: 24px 28px 0;
  border-left: 1px solid var(--line);
}

.principles div:first-child {
  padding-left: 0;
  border-left: 0;
}

.principles span {
  display: block;
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 30px;
  font-weight: 850;
}

.three-areas {
  background: linear-gradient(180deg, #fff 0%, #f8fbfd 100%);
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.area-grid a {
  display: block;
  min-height: 360px;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.area-grid a:hover {
  background: var(--soft);
}

.area-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.area-grid span,
.area-grid h3,
.area-grid p {
  margin-right: 24px;
  margin-left: 24px;
}

.area-grid span {
  margin-top: 24px;
}

.area-grid p,
.principles p {
  margin-bottom: 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
  gap: 46px;
  align-items: center;
  margin-bottom: 38px;
}

.section-head > img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.detail-section h2 {
  margin-bottom: 14px;
}

.purpose {
  max-width: 940px;
  margin-bottom: 34px;
  font-size: 18px;
}

.project-table {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
}

.table-row {
  display: grid;
  grid-template-columns: 210px minmax(0, 1.25fr) minmax(0, 1fr) 86px;
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.table-row span {
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}

.table-row span:first-child {
  color: var(--ink);
  font-weight: 800;
}

.table-head {
  padding: 12px 0;
  background: var(--soft);
}

.table-head span {
  color: var(--blue-dark);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 850;
}

.table-head span:first-child {
  color: var(--blue-dark);
}

.provocation {
  max-width: 920px;
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.35;
  font-weight: 760;
}

.experiment-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  border-top: 0;
}

.experiment-list article {
  display: grid;
  grid-template-rows: 28px 64px 190px auto;
  min-height: 330px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.experiment-list article > span {
  height: 28px;
  margin-bottom: 0;
  white-space: nowrap;
}

.experiment-list article h3,
.experiment-list article p {
  margin-bottom: 0;
}

.experiment-list strong {
  display: block;
  margin-top: 0;
  padding-top: 18px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
}

.wedge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border: 0;
}

.wedge-grid article {
  min-height: 210px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.wedge-grid p {
  margin-bottom: 0;
}

.commercial-plan {
  background: linear-gradient(180deg, #fff 0%, #f8fbfd 100%);
}

.commercial-plan .section-head {
  align-items: start;
}

.commercial-visual {
  margin: 0;
  padding: 28px;
  background:
    linear-gradient(90deg, rgba(47, 120, 189, 0.08) 0 1px, transparent 1px),
    linear-gradient(180deg, #fff 0%, #eef5fa 100%);
  background-size: 38px 38px, auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.commercial-visual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.commercial-visual-head img {
  display: block;
  width: 210px;
  max-width: 58%;
  height: auto;
}

.commercial-visual span {
  display: block;
  color: var(--blue-dark);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 850;
}

.commercial-visual-total {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.commercial-visual-total strong {
  color: var(--ink);
  font-size: clamp(34px, 4vw, 54px);
  line-height: 0.95;
}

.commercial-visual-rows {
  display: grid;
  gap: 0;
}

.commercial-visual-rows div {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.commercial-visual-rows div:last-child {
  border-bottom: 0;
}

.commercial-visual-rows strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.2;
}

.commercial-visual-rows em {
  color: var(--text);
  font-size: 14px;
  font-style: normal;
  font-weight: 750;
  text-align: right;
}

.commercial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.commercial-grid article {
  display: grid;
  grid-template-rows: auto minmax(52px, auto) auto 1fr;
  min-height: 320px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.commercial-grid h3 {
  min-height: 52px;
  margin-bottom: 20px;
}

.plan-metrics {
  display: grid;
  grid-template-columns: minmax(112px, 0.8fr) minmax(0, 1.2fr);
  gap: 0;
  margin-bottom: 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.plan-metrics div {
  padding: 16px 18px 16px 24px;
  border-left: 1px solid var(--line);
}

.plan-metrics div:first-child {
  padding-left: 0;
  border-left: 0;
}

.plan-metrics span {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
}

.plan-metrics strong {
  display: block;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.08;
}

.commercial-grid p {
  margin-top: 0;
  margin-bottom: 0;
}

.decision {
  color: #fff;
  background: var(--charcoal);
}

.decision h2,
.decision p {
  color: #fff;
}

.decision p {
  max-width: 900px;
  color: #e2e8ee;
}

.decision-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.decision-strip div {
  padding: 24px 26px 0;
  border-left: 1px solid rgba(255, 255, 255, 0.24);
}

.decision-strip div:first-child {
  padding-left: 0;
  border-left: 0;
}

.decision-strip strong {
  display: block;
  color: #fff;
  line-height: 1.32;
}

.proposal-document {
  background: #fff;
}

.document-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 0.72fr);
  gap: 46px;
  align-items: center;
}

.document-card {
  display: block;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.document-card:hover {
  background: var(--soft);
}

.document-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
  border-bottom: 1px solid var(--line);
}

.document-card span,
.document-card strong,
.document-card p {
  margin-right: 24px;
  margin-left: 24px;
}

.document-card span {
  margin-top: 24px;
}

.document-card strong {
  display: block;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.14;
}

.document-card p {
  margin-top: 12px;
  margin-bottom: 24px;
}

@media (max-width: 1120px) {
  .topbar {
    grid-template-columns: 220px auto 1fr;
  }

  .menu-button {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 82px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 16px 34px;
  }

  .site-nav a.active::after {
    display: none;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .opening-grid,
  .principles,
  .area-grid,
  .decision-strip,
  .section-head,
  .commercial-grid,
  .document-grid,
  .experiment-list,
  .wedge-grid {
    grid-template-columns: 1fr;
  }

  .principles div,
  .area-grid a,
  .decision-strip div {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .decision-strip div {
    border-top-color: rgba(255, 255, 255, 0.24);
  }

  .table-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 0 18px;
  }

  .brand img {
    width: 176px;
  }

  .menu-button {
    justify-self: end;
  }

  .section-block {
    padding: 44px 22px;
  }

  h1 {
    font-size: 42px;
    line-height: 1.04;
  }

  h2 {
    font-size: 30px;
  }

  .thesis p,
  .purpose {
    font-size: 17px;
  }

  .area-grid a,
  .commercial-grid article,
  .experiment-list article,
  .wedge-grid article {
    grid-template-rows: auto;
    min-height: 0;
  }

  .commercial-visual {
    padding: 22px;
  }

  .commercial-visual-head,
  .commercial-visual-total {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .commercial-visual-head {
    display: grid;
  }

  .commercial-visual-head img {
    width: 188px;
    max-width: 100%;
  }

  .commercial-visual-rows div {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px 14px;
  }

  .commercial-visual-rows em {
    grid-column: 2;
    text-align: left;
  }

  .hero-visual figcaption {
    grid-template-columns: 1fr;
  }

  .hero-visual figcaption p {
    grid-column: auto;
  }

  .project-table {
    overflow-x: auto;
  }

  .table-row {
    min-width: 0;
  }
}
