:root {
  --canvas: #faf9f7;
  --surface: #ffffff;
  --ink: #20242a;
  --text: #4a5563;
  --muted: #77808c;
  --line: #d9d4ce;
  --soft-fill: #f1efec;
  --accent: #e45b1b;
  --accent-dark: #a83e17;
  --navy: #315f7d;
  --sage: #637a68;
  --plum: #7b6c79;
  --gold: #c99a2e;
  color: var(--ink);
  background: var(--canvas);
  font-family: "Noto Sans JP", Arial, sans-serif;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
}

body,
button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 40px;
  background: rgba(250, 249, 247, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 148px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
}

.nav a {
  padding: 22px 0 20px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--accent);
  outline: none;
}

.hero {
  position: relative;
  min-height: min(700px, calc(100svh - 96px));
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(250, 249, 247, 0.98) 0%, rgba(250, 249, 247, 0.88) 38%, rgba(250, 249, 247, 0.42) 72%, rgba(250, 249, 247, 0.18) 100%),
    linear-gradient(180deg, rgba(32, 36, 42, 0.02), rgba(32, 36, 42, 0.12));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 48px));
  padding: 88px 0 78px 80px;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.4;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 20px;
  color: var(--ink);
  font-size: 88px;
  line-height: 0.98;
}

.hero-statement {
  max-width: 720px;
  margin: 0;
  color: var(--ink);
  font-size: 42px;
  font-weight: 900;
  line-height: 1.22;
}

.hero-copy {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--text);
  font-size: 17px;
  line-height: 2;
}

.section {
  padding: 88px 80px;
}

.belief {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.belief h2,
.mission-grid h2,
.principles h2,
.stack-intro h2,
.contact h2 {
  margin: 0;
  color: var(--ink);
  font-size: 40px;
  line-height: 1.28;
}

.belief p {
  grid-column: 2;
  max-width: 850px;
  margin: -22px 0 0;
  color: var(--text);
  font-size: 18px;
  line-height: 2;
}

.mission-band {
  background: var(--ink);
  color: var(--surface);
}

.mission-band .section-kicker {
  color: var(--gold);
}

.mission-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 64px;
  align-items: end;
}

.mission-grid h2 {
  max-width: 800px;
  margin-top: 18px;
  color: var(--surface);
}

.mission-grid p {
  margin: 0;
  color: var(--line);
  font-size: 17px;
  line-height: 2;
}

.principles {
  background: var(--canvas);
  border-bottom: 1px solid var(--line);
}

.principles h2 {
  max-width: 900px;
  margin-top: 18px;
}

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

.principle-grid article {
  min-height: 280px;
  padding: 30px;
  background: var(--surface);
  border-top: 6px solid var(--accent);
}

.principle-grid article:nth-child(2) {
  border-top-color: var(--plum);
}

.principle-grid article:nth-child(3) {
  border-top-color: var(--sage);
}

.principle-grid span,
.stack-rail span {
  display: block;
  margin-bottom: 56px;
  color: var(--muted);
  font-family: "Noto Sans Mono", "Roboto Mono", monospace;
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
}

.principle-grid h3,
.stack-rail h3 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.principle-grid p,
.stack-rail p {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
}

.stack-section {
  background: var(--soft-fill);
  border-bottom: 1px solid var(--line);
}

.stack-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 128px;
  gap: 48px;
  align-items: start;
}

.stack-intro h2 {
  max-width: 860px;
  margin-top: 18px;
}

.stack-intro img {
  width: 128px;
  height: 128px;
}

.stack-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 44px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.stack-rail article {
  position: relative;
  min-height: 244px;
  padding: 30px;
  border-right: 1px solid var(--line);
}

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

.stack-rail article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--navy);
}

.stack-rail article:nth-child(2)::before {
  background: var(--gold);
}

.stack-rail article:nth-child(3)::before {
  background: var(--sage);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 56px;
  align-items: end;
  background: var(--ink);
  color: var(--surface);
}

.contact .section-kicker {
  color: var(--gold);
}

.contact h2 {
  max-width: 680px;
  margin-top: 18px;
  color: var(--surface);
}

.contact-panel {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 4px;
  color: var(--soft-fill);
  font-style: normal;
}

.contact-panel strong {
  font-size: 24px;
}

.contact-panel a {
  color: var(--gold);
  font-weight: 900;
  overflow-wrap: anywhere;
}

@media (max-width: 960px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    min-height: auto;
    padding: 14px 24px 0;
  }

  .brand img {
    width: 132px;
  }

  .nav {
    width: 100%;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav a {
    padding: 8px 0 12px;
  }

  .hero {
    min-height: min(660px, calc(100svh - 118px));
  }

  .hero-image {
    object-position: 66% center;
  }

  .hero-content {
    width: min(720px, calc(100% - 40px));
    padding: 72px 0 66px 32px;
  }

  h1 {
    font-size: 72px;
  }

  .hero-statement {
    font-size: 34px;
  }

  .section {
    padding: 72px 32px;
  }

  .belief,
  .mission-grid,
  .principle-grid,
  .stack-intro,
  .stack-rail,
  .contact {
    grid-template-columns: 1fr;
  }

  .belief p {
    grid-column: auto;
    margin-top: 0;
  }

  .belief h2,
  .mission-grid h2,
  .principles h2,
  .stack-intro h2,
  .contact h2 {
    font-size: 34px;
  }

  .principle-grid article,
  .stack-rail article {
    min-height: auto;
  }

  .principle-grid span,
  .stack-rail span {
    margin-bottom: 32px;
  }

  .stack-rail article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stack-rail article:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .topbar {
    padding-left: 18px;
    padding-right: 18px;
  }

  .nav {
    font-size: 13px;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    width: min(100% - 32px, 680px);
    padding: 54px 0 58px 18px;
  }

  h1 {
    font-size: 54px;
  }

  .hero-statement {
    font-size: 29px;
  }

  .hero-copy,
  .mission-grid p,
  .belief p {
    font-size: 16px;
    line-height: 1.9;
  }

  .section {
    padding: 62px 18px;
  }

  .belief,
  .mission-grid,
  .contact {
    gap: 30px;
  }

  .belief h2,
  .mission-grid h2,
  .principles h2,
  .stack-intro h2,
  .contact h2 {
    font-size: 29px;
  }

  .principle-grid article,
  .stack-rail article,
  .contact-panel {
    padding: 22px;
  }

  .stack-intro img {
    width: 96px;
    height: 96px;
  }
}