:root {
  color-scheme: light;
  --paper: #f5f7f5;
  --surface: #ffffff;
  --ink: #17211f;
  --muted: #5f6b68;
  --line: #d8dfdc;
  --teal: #1f7775;
  --teal-dark: #155a59;
  --coral: #c65f45;
  --focus: #0a66c2;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0;
}

a {
  color: var(--teal-dark);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--coral);
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 45%, transparent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1040px;
  min-height: 82px;
  margin: 0 auto;
  padding: 16px 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 8px;
}

nav {
  display: flex;
  gap: 24px;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

nav a[aria-current="page"] {
  color: var(--teal-dark);
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 76px 28px 96px;
}

.intro {
  max-width: 780px;
  margin-bottom: 72px;
}

.eyebrow,
.section-label {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 750;
}

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

h1 {
  margin: 0;
  font-size: clamp(34px, 7vw, 56px);
  line-height: 1.24;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.45;
  letter-spacing: 0;
}

h3 {
  margin: 28px 0 4px;
  font-size: 17px;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.effective-date {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 36px;
  margin: 0 0 88px;
  padding: 32px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: 6px;
  background: var(--surface);
}

.contact-band p:not(.section-label) {
  margin: 10px 0 0;
  color: var(--muted);
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 6px;
  background: var(--teal-dark);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.primary-link:hover {
  background: var(--coral);
  color: #fff;
}

.content-section {
  display: grid;
  grid-template-columns: minmax(190px, 0.34fr) minmax(0, 0.66fr);
  gap: 48px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.content-section.compact {
  padding-bottom: 8px;
}

.content-section > p {
  margin: 0;
}

.check-list,
.policy-section ul {
  margin: 0;
  padding-left: 1.25em;
}

.check-list li,
.policy-section li {
  margin: 0 0 10px;
  padding-left: 4px;
}

.notice {
  grid-column: 2;
  margin: 4px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--coral);
  background: #fff7f3;
  color: #654238;
  font-size: 14px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  position: relative;
  padding: 18px 34px 18px 0;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  position: absolute;
  top: 18px;
  right: 4px;
  content: "+";
  color: var(--teal);
  font-size: 22px;
  line-height: 1;
}

details[open] summary::after {
  content: "−";
}

details p {
  margin: 0;
  padding: 0 28px 20px 0;
  color: var(--muted);
}

.policy-page {
  max-width: 860px;
}

.policy-page .intro {
  margin-bottom: 64px;
}

.policy-section {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  column-gap: 44px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.policy-section h2 {
  grid-row: 1 / span 12;
}

.policy-section > :not(h2) {
  grid-column: 2;
}

.policy-section p {
  margin: 0 0 16px;
}

.policy-section h3:first-of-type {
  margin-top: 0;
}

.contact-policy {
  border-top-color: var(--teal);
}

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px 28px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 30px 28px 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

footer p {
  margin: 0;
}

footer div {
  display: flex;
  gap: 20px;
}

.copyright {
  grid-column: 1 / -1;
}

@media (max-width: 720px) {
  .site-header {
    min-height: 72px;
    padding: 12px 18px;
  }

  .brand span {
    display: none;
  }

  nav {
    gap: 18px;
  }

  main {
    padding: 52px 20px 72px;
  }

  .intro {
    margin-bottom: 52px;
  }

  .lead {
    font-size: 16px;
  }

  .contact-band,
  .content-section,
  .policy-section {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-band {
    gap: 24px;
    margin-bottom: 56px;
    padding: 24px;
  }

  .primary-link {
    width: 100%;
  }

  .content-section {
    gap: 24px;
    padding: 38px 0;
  }

  .notice {
    grid-column: 1;
  }

  .policy-section {
    gap: 20px;
    padding: 34px 0;
  }

  .policy-section h2 {
    grid-row: auto;
  }

  .policy-section > :not(h2) {
    grid-column: 1;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 26px 20px 36px;
  }

  footer div {
    flex-direction: column;
    gap: 6px;
  }

  .copyright {
    grid-column: 1;
  }
}

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

@media print {
  .site-header,
  footer,
  .skip-link {
    display: none;
  }

  body,
  html {
    background: #fff;
  }

  main {
    max-width: none;
    padding: 0;
  }
}