:root {
  --background: #eef9f8;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --ink: #102b2d;
  --muted: #5d7577;
  --line: rgba(27, 101, 105, 0.16);
  --accent: #20a5ad;
  --accent-dark: #14767d;
  --accent-soft: #dff5f3;
  --shadow: 0 28px 80px rgba(18, 87, 91, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

main {
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

.ambient {
  position: fixed;
  border-radius: 999px;
  filter: blur(2px);
  pointer-events: none;
  z-index: -1;
}

.ambient-one {
  width: 34rem;
  height: 34rem;
  top: -17rem;
  right: -8rem;
  background: radial-gradient(circle at 40% 55%, rgba(55, 202, 198, 0.28), transparent 69%);
}

.ambient-two {
  width: 30rem;
  height: 30rem;
  left: -17rem;
  top: 42rem;
  background: radial-gradient(circle at 55% 50%, rgba(64, 170, 209, 0.2), transparent 70%);
}

.site-header {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 760;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.drop {
  width: 30px;
  height: 30px;
  display: block;
  position: relative;
  border-radius: 54% 46% 58% 42% / 62% 52% 48% 38%;
  background: linear-gradient(145deg, #62d9d3, #1a9fa9 70%);
  transform: rotate(45deg);
  box-shadow: inset 5px 5px 10px rgba(255, 255, 255, 0.26),
    0 7px 16px rgba(24, 149, 158, 0.2);
}

.drop::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 5px;
  left: 5px;
  top: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.62);
  transform: rotate(-18deg);
}

.contact-link {
  padding: 8px 2px;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.policy-shell {
  width: min(920px, calc(100% - 40px));
  margin: 42px auto 72px;
  padding: clamp(26px, 6vw, 68px);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 38px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.hero {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(2.25rem, 7vw, 4.45rem);
  line-height: 1.13;
  letter-spacing: -0.045em;
}

.lead {
  max-width: 680px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
}

.updated {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.84rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(32, 165, 173, 0.11);
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 54px 0 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--line);
}

.summary div {
  min-height: 116px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface-solid);
}

.summary span {
  color: var(--muted);
  font-size: 0.78rem;
}

.summary strong {
  font-size: 0.98rem;
}

.policy-list {
  margin-top: 48px;
}

.policy-section {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.section-number {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.policy-section h2,
.contact-card h2 {
  margin-bottom: 10px;
  font-size: clamp(1.12rem, 3vw, 1.32rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.policy-section p,
.contact-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.external-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 16px;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 750;
  text-underline-offset: 4px;
}

.contact-card {
  margin-top: 34px;
  padding: clamp(24px, 5vw, 38px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-radius: 26px;
  background: linear-gradient(140deg, #dff7f3, #d8f0f5);
  border: 1px solid rgba(32, 165, 173, 0.14);
}

.contact-card > div {
  max-width: 520px;
}

.contact-card a {
  flex: none;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--accent-dark);
  color: white;
  font-size: 0.88rem;
  font-weight: 740;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(20, 118, 125, 0.2);
}

footer {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto 52px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 0.76rem;
}

footer p {
  margin: 0;
}

a:focus-visible {
  outline: 3px solid rgba(32, 165, 173, 0.4);
  outline-offset: 4px;
  border-radius: 8px;
}

@media (max-width: 680px) {
  .site-header {
    min-height: 72px;
  }

  .policy-shell {
    width: min(100% - 24px, 920px);
    margin-top: 24px;
    border-radius: 28px;
  }

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

  .summary div {
    min-height: 92px;
  }

  .policy-section {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .contact-card,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #061415;
    --surface: rgba(9, 31, 33, 0.86);
    --surface-solid: #0c2426;
    --ink: #e7f7f5;
    --muted: #a7c1c1;
    --line: rgba(125, 213, 208, 0.15);
    --accent: #58cec9;
    --accent-dark: #7ce0db;
    --accent-soft: #133b3d;
    --shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
  }

  .policy-shell {
    border-color: rgba(126, 221, 216, 0.08);
  }

  .contact-card {
    background: linear-gradient(140deg, #123f40, #102e3a);
    border-color: rgba(95, 218, 211, 0.16);
  }

  .contact-card a {
    background: #63d5cf;
    color: #052123;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}