:root {
  --paper: #f4f1ea;
  --paper-strong: #fffdf8;
  --ink: #0b1a27;
  --ink-soft: #344657;
  --line: rgba(11, 26, 39, 0.1);
  --teal: #0098a8;
  --teal-soft: rgba(0, 152, 168, 0.14);
  --amber: #ffb543;
  --shadow: 0 24px 80px rgba(13, 27, 42, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 152, 168, 0.12), transparent 32%),
    radial-gradient(circle at 100% 18%, rgba(255, 181, 67, 0.18), transparent 24%),
    linear-gradient(180deg, #fbfaf7 0%, var(--paper) 100%);
  color: var(--ink);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 26, 39, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 26, 39, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.26), transparent 88%);
  pointer-events: none;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.ambient {
  position: absolute;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.42;
  pointer-events: none;
}

.ambient-left {
  left: -12rem;
  top: 8rem;
  background: rgba(0, 152, 168, 0.22);
}

.ambient-right {
  right: -10rem;
  top: 42rem;
  background: rgba(255, 181, 67, 0.2);
}

.site-header,
main,
.site-footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--ink), #173348);
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 0.98rem;
}

.brand-copy span {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.site-nav {
  display: flex;
  gap: 18px;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 36px;
  padding: 72px 0 40px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  color: var(--teal);
  font-family: "Space Grotesk", sans-serif;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans JP", sans-serif;
  letter-spacing: -0.04em;
  line-height: 0.96;
}

.hero h1 {
  font-size: clamp(3.2rem, 7vw, 6.4rem);
  max-width: 9ch;
}

.hero-lead {
  max-width: 38rem;
  margin: 22px 0 0;
  font-size: 1.08rem;
  line-height: 1.95;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow);
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(10px);
}

.hero-flags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.hero-flags li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  font-size: 0.9rem;
}

.hero-panel {
  display: grid;
  gap: 18px;
}

.signal-core,
.card,
.approach-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(11, 26, 39, 0.08);
  box-shadow: var(--shadow);
}

.signal-core {
  position: relative;
  min-height: 420px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: 24px;
}

.signal-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08)),
    repeating-linear-gradient(0deg, transparent 0 32px, rgba(11, 26, 39, 0.08) 32px 33px),
    repeating-linear-gradient(90deg, transparent 0 32px, rgba(11, 26, 39, 0.08) 32px 33px);
}

.signal-ring {
  position: absolute;
  inset: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(11, 26, 39, 0.16);
}

.ring-a {
  width: 170px;
  height: 170px;
  animation: rotate-ring 18s linear infinite;
}

.ring-b {
  width: 290px;
  height: 290px;
  border-style: dashed;
  animation: rotate-ring 28s linear infinite reverse;
}

.ring-c {
  width: 430px;
  height: 430px;
  border-color: rgba(0, 152, 168, 0.22);
  animation: pulse-ring 6s ease-in-out infinite;
}

.signal-copy {
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  gap: 10px;
  text-align: center;
}

.signal-copy span {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  color: var(--teal);
}

.signal-copy strong {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.hero-metrics article {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(11, 26, 39, 0.08);
}

.hero-metrics span,
.program-card strong {
  font-family: "Space Grotesk", sans-serif;
  color: var(--teal);
}

.hero-metrics strong {
  display: block;
  margin-top: 8px;
}

.hero-metrics p {
  margin: 10px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.section {
  padding: 54px 0;
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: clamp(2.2rem, 4.8vw, 4rem);
  max-width: 12ch;
}

.mission-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
}

.card {
  border-radius: var(--radius-lg);
  padding: 24px;
}

.mission-statement {
  display: grid;
  align-items: center;
  min-height: 100%;
}

.mission-statement p {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.9;
}

.mission-grid,
.program-grid,
.approach-grid {
  display: grid;
  gap: 18px;
}

.mission-grid {
  grid-template-columns: repeat(3, 1fr);
}

.label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--teal);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mission-grid h3,
.program-card h3 {
  margin: 0 0 12px;
  font-size: 1.18rem;
}

.mission-grid p,
.program-card p,
.approach-card p,
.organization-grid dd {
  margin: 0;
  line-height: 1.85;
  color: var(--ink-soft);
}

.program-grid {
  grid-template-columns: repeat(3, 1fr);
}

.program-card {
  min-height: 220px;
}

.program-card strong {
  font-size: 1.5rem;
}

.approach-grid {
  grid-template-columns: repeat(4, 1fr);
}

.approach-card {
  padding: 22px;
  border-radius: var(--radius-lg);
}

.approach-card span {
  display: inline-block;
  margin-bottom: 12px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.08rem;
}

.organization-shell {
  padding: 0;
  overflow: hidden;
}

.organization-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.organization-grid div {
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.organization-grid div:nth-child(3n) {
  border-right: none;
}

.organization-grid dt {
  margin-bottom: 8px;
  color: var(--teal);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.organization-grid dd {
  font-size: 1rem;
}

.site-footer {
  padding: 34px 0 60px;
  text-align: center;
}

.footer-brand {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.site-footer p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.site-footer small {
  display: inline-block;
  margin-top: 16px;
  color: rgba(11, 26, 39, 0.62);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes rotate-ring {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes pulse-ring {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(0.98);
    opacity: 0.42;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.04);
    opacity: 0.9;
  }
}

@media (max-width: 1024px) {
  .hero,
  .mission-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    order: -1;
  }

  .mission-grid,
  .program-grid,
  .approach-grid,
  .organization-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .organization-grid div:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .organization-grid div:nth-child(2n) {
    border-right: none;
  }
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 34px;
  }

  .hero h1 {
    max-width: none;
  }

  .signal-core {
    min-height: 340px;
  }

  .hero-metrics,
  .mission-grid,
  .program-grid,
  .approach-grid,
  .organization-grid {
    grid-template-columns: 1fr;
  }

  .organization-grid div {
    border-right: none;
  }

  .button {
    width: 100%;
  }
}