:root {
  color-scheme: light;
  --ink: #17141d;
  --paper: #fff8ec;
  --paper-muted: #f3ead9;
  --gold: #d7ad51;
  --vermillion: #b54148;
  --sage: #8fb7a6;
  --violet: #342842;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}

h1,
h2,
h3,
p,
a,
span {
  overflow-wrap: anywhere;
  word-break: break-all;
}

a {
  color: #5a3f91;
  font-weight: 700;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.site-header {
  align-items: center;
  background: rgba(255, 248, 236, 0.94);
  border-bottom: 1px solid rgba(23, 20, 29, 0.12);
  display: flex;
  justify-content: space-between;
  padding: 14px clamp(20px, 5vw, 64px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  border-radius: 16px;
  height: 44px;
  width: 44px;
}

.brand span {
  font-size: 18px;
  font-weight: 800;
}

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

.hero {
  background:
    linear-gradient(90deg, rgba(23, 20, 29, 0.96), rgba(52, 40, 66, 0.76)),
    url("assets/feature-graphic-1024x500.png") center / cover no-repeat;
  color: var(--paper);
  max-width: 100vw;
  min-height: 68vh;
  overflow-x: hidden;
  padding: clamp(64px, 10vw, 120px) clamp(22px, 6vw, 80px);
}

.hero-content {
  max-width: 720px;
  min-width: 0;
  width: 100%;
}

.eyebrow {
  color: var(--gold);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(42px, 8vw, 78px);
  line-height: 1.1;
  margin: 0 0 22px;
}

.hero p {
  font-size: clamp(18px, 2.2vw, 24px);
  margin: 0 0 32px;
  max-width: min(100%, 660px);
  width: 100%;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  background: var(--gold);
  border-radius: 8px;
  color: var(--ink);
  display: inline-flex;
  padding: 12px 18px;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  border: 1px solid rgba(255, 248, 236, 0.62);
  color: var(--paper);
}

main {
  max-width: 100vw;
  overflow-x: hidden;
  padding: 0 clamp(20px, 5vw, 64px) 64px;
}

.section {
  border-top: 1px solid rgba(23, 20, 29, 0.12);
  min-width: 0;
  padding: 42px 0;
}

.section p,
.policy p {
  max-width: 100%;
  width: 100%;
}

.section h2 {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.25;
  margin: 0 0 16px;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.article-list {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.article-card {
  background: #fffdf8;
  border: 1px solid rgba(23, 20, 29, 0.14);
  border-radius: 8px;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 180px;
  padding: 20px;
  text-decoration: none;
}

.article-card span {
  color: var(--vermillion);
  font-size: 14px;
  font-weight: 800;
}

.article-card strong {
  font-size: 22px;
  line-height: 1.35;
}

.article-card small {
  color: rgba(23, 20, 29, 0.72);
  font-size: 15px;
  line-height: 1.7;
}

.panel {
  background: var(--paper-muted);
  border: 1px solid rgba(23, 20, 29, 0.10);
  border-radius: 8px;
  min-width: 0;
  padding: 20px;
}

.panel h3 {
  margin: 0 0 8px;
}

.policy {
  max-width: 900px;
  padding-top: 42px;
}

.article {
  max-width: 900px;
  padding-top: 42px;
}

.policy h1 {
  color: var(--ink);
  font-size: clamp(34px, 6vw, 56px);
}

.article h1 {
  color: var(--ink);
  font-size: clamp(34px, 6vw, 56px);
}

.policy h2 {
  border-top: 1px solid rgba(23, 20, 29, 0.12);
  margin-top: 34px;
  padding-top: 24px;
}

.article h2 {
  border-top: 1px solid rgba(23, 20, 29, 0.12);
  margin-top: 34px;
  padding-top: 24px;
}

.lead {
  color: rgba(23, 20, 29, 0.82);
  font-size: clamp(18px, 2.2vw, 22px);
}

.source-box {
  background: var(--paper-muted);
  border: 1px solid rgba(23, 20, 29, 0.10);
  border-radius: 8px;
  margin-top: 36px;
  padding: 20px;
}

.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 28px clamp(20px, 5vw, 64px);
}

.site-footer a {
  color: var(--gold);
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    flex-wrap: wrap;
  }

  .hero p,
  .section p,
  .policy p {
    max-width: calc(100vw - 48px);
  }
}