:root {
  color-scheme: light;
  --ink: #16202b;
  --muted: #5d6875;
  --paper: #f7f4ed;
  --surface: #ffffff;
  --line: #ded6c9;
  --green: #2b6548;
  --green-dark: #173d2c;
  --copper: #a86f3a;
  --blue: #22435d;
  --soft: #ece5d8;
  --shadow: 0 18px 48px rgba(22, 32, 43, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  line-height: 1.75;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 14px clamp(18px, 4vw, 48px);
  background: rgba(247, 244, 237, 0.95);
  border-bottom: 1px solid rgba(22, 32, 43, 0.1);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: #fff;
  background: var(--green);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-nav a {
  padding: 8px 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--green-dark);
}

.hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: end;
  overflow: hidden;
  background: #121b22;
}

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

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 27, 34, 0.88), rgba(18, 27, 34, 0.52) 55%, rgba(18, 27, 34, 0.15)),
    linear-gradient(0deg, rgba(18, 27, 34, 0.72), rgba(18, 27, 34, 0.05) 46%);
}

.hero-content {
  position: relative;
  width: min(930px, 100%);
  padding: 18vh clamp(20px, 5vw, 72px) 13vh;
  color: #fff;
}

.kicker,
.eyebrow {
  margin: 0 0 12px;
  color: #e6b15d;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
li {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.35;
}

.lead {
  max-width: 790px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 900;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--green);
}

.button.secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.12);
}

.section {
  padding: clamp(62px, 8vw, 108px) clamp(18px, 5vw, 72px);
}

.section-muted {
  background: #e9efe7;
}

.section-head {
  max-width: 890px;
  margin-bottom: 28px;
}

.section-head p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.intro-band {
  background: #fff;
}

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

.intro-grid article,
.security-grid article,
.use-grid article,
.profile-card,
.leader-main,
.quote-panel,
.timeline article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.intro-grid article,
.security-grid article,
.use-grid article,
.timeline article {
  min-height: 210px;
  padding: 24px;
}

.intro-grid span,
.timeline span {
  color: var(--copper);
  font-weight: 900;
}

.intro-grid p,
.security-grid p,
.use-grid p,
.profile-card p,
.leader-main p,
.timeline p,
.site-footer p,
.source-list {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: clamp(26px, 5vw, 68px);
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
}

.split.reverse > :first-child {
  order: 2;
}

.check-list {
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  margin: 10px 0;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
}

.profile-card {
  padding: 28px;
  box-shadow: var(--shadow);
}

.card-label {
  color: var(--copper);
  font-size: 13px;
  font-weight: 900;
}

.profile-card strong {
  display: block;
  margin: 8px 0 12px;
  font-size: clamp(38px, 6vw, 62px);
  line-height: 1;
}

.profile-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.profile-stats span {
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--green-dark);
  background: #e7f0e5;
  font-size: 13px;
  font-weight: 900;
}

.leader-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
}

.leader-main,
.quote-panel {
  padding: 28px;
}

.quote-panel {
  display: flex;
  align-items: center;
  color: #fff;
  background: var(--green-dark);
}

.quote-panel p {
  margin: 0;
  color: #fff;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.65;
}

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

.security-section {
  background: #f1eadf;
}

.sources-section {
  background: #fff;
}

.overview-section {
  background: #fff;
}

.overview-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 16px;
  align-items: stretch;
}

.overview-list {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.overview-list div {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.overview-list div:last-child {
  border-bottom: 0;
}

.overview-list dt,
.overview-list dd {
  margin: 0;
  padding: 16px 18px;
}

.overview-list dt {
  color: var(--green-dark);
  background: #edf2e8;
  font-weight: 900;
}

.overview-list dd {
  color: var(--ink);
  background: #fff;
}

.overview-note {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--green-dark);
}

.overview-note h3,
.overview-note p {
  color: #fff;
}

.history-section {
  background: #f7f4ed;
}

.history-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.history-rail article {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.history-rail span {
  color: var(--copper);
  font-size: 13px;
  font-weight: 900;
}

.history-rail p {
  color: var(--muted);
}

.source-list {
  margin: 0;
  padding-left: 22px;
}

.source-list a {
  color: var(--blue);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: #fff;
}

.site-footer p {
  margin: 0;
  font-size: 14px;
}

@media (max-width: 980px) {
  .intro-grid,
  .security-grid,
  .use-grid,
  .timeline,
  .leader-layout,
  .overview-layout,
  .history-rail,
  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }

  .split.reverse > :first-child {
    order: initial;
  }

  .profile-card {
    box-shadow: none;
  }
}

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

  .site-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 4px;
  }

  .site-nav a {
    padding: 6px 8px;
    font-size: 13px;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-content {
    padding: 20vh 20px 12vh;
  }

  h1 {
    max-width: 10.5em;
    font-size: 34px;
    line-height: 1.14;
    word-break: break-all;
  }

  .lead {
    max-width: 21em;
    font-size: 16px;
    word-break: break-all;
  }

  .intro-grid article,
  .security-grid article,
  .use-grid article,
  .timeline article,
  .history-rail article {
    min-height: auto;
  }

  .overview-list div {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}