:root {
  color-scheme: light dark;
  --canvas: #f7f5f0;
  --surface: #fff;
  --ink: #19243f;
  --muted: #586175;
  --blue: #405cf5;
  --coral: #ff5c64;
  --gold: #ffc245;
  --line: #e7e8ed;
  --tint: #eef1ff;
  --green: #16734f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-underline-offset: 4px; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; border-radius: 5px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.2; }
h1 { font-size: clamp(2.8rem, 7vw, 5.4rem); letter-spacing: -0.055em; font-weight: 800; margin-bottom: 24px; }
h2 { font-size: 1.5rem; letter-spacing: -0.035em; margin-bottom: 16px; }
h3 { font-size: 1rem; margin: 24px 0 8px; }
p { margin-bottom: 16px; }
ul { padding-left: 22px; margin: 0 0 20px; }
li + li { margin-top: 10px; }
.shell { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-size: 2rem; line-height: 1; font-weight: 850; letter-spacing: -0.05em; }
.brand small { display: block; font-size: 0.57rem; font-weight: 700; letter-spacing: 0.13em; margin-top: 9px; }
.brand-mark { display: grid; grid-template-columns: repeat(2, 10px); gap: 4px; }
.brand-mark span { width: 10px; height: 10px; border-radius: 50%; background: var(--blue); }
.brand-mark span:last-child { background: var(--coral); }
nav { display: flex; gap: 6px; }
nav a { display: flex; align-items: center; min-height: 44px; padding: 8px 18px; border-radius: 24px; color: var(--muted); font-size: 0.9rem; font-weight: 650; text-decoration: none; }
nav a[aria-current="page"] { color: var(--blue); background: var(--tint); }
.hero { padding: 74px 0 48px; max-width: 760px; }
.eyebrow, .section-label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.67rem; font-weight: 800; letter-spacing: 0.15em; }
.eyebrow { padding: 7px 13px; margin-bottom: 22px; color: var(--green); background: color-mix(in srgb, var(--green) 8%, var(--surface)); border-radius: 30px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.hero-description { font-size: 1.1rem; max-width: 590px; color: var(--muted); line-height: 1.8; }
.updated { font-size: 0.8rem; color: var(--muted); margin: 22px 0 0; }
.card { border-radius: 26px; background: var(--surface); border: 1px solid var(--line); }
.policy-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); align-items: start; gap: 24px; }
.contents { padding: 24px; position: sticky; top: 24px; }
.section-label { color: var(--muted); margin-bottom: 18px; }
.contents a { display: block; color: var(--muted); font-size: 0.85rem; text-decoration: none; padding: 7px 0; }
.contents a:hover { color: var(--blue); }
.policy { padding: clamp(24px, 4vw, 48px); }
.policy section + section { padding-top: 32px; margin-top: 32px; border-top: 1px solid var(--line); }
.policy p, .policy li { color: var(--muted); }
.policy strong { color: var(--ink); }
.callout { margin-top: 22px; padding: 22px; border-radius: 16px; background: var(--tint); color: var(--ink); font-size: 0.95rem; }
.callout strong { display: block; margin-bottom: 5px; }
.contact-card { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 34px; }
.contact-card .section-label { margin-bottom: 12px; }
.contact-card h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.contact-card p { color: var(--muted); margin-bottom: 8px; }
.email-address { font-size: 0.95rem; font-weight: 650; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 30px; min-height: 54px; padding: 14px 24px; flex-shrink: 0; border-radius: 17px; background: var(--blue); color: #fff; font-size: 0.9rem; font-weight: 700; text-decoration: none; box-shadow: 0 8px 18px #405cf51a; }
.button:hover { filter: brightness(1.08); }
.support-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 24px; margin-top: 24px; align-items: start; }
.faq { padding: 34px; }
.faq .section-label { margin-bottom: 10px; }
.faq h2 { margin-bottom: 24px; }
details { padding: 20px 0; border-top: 1px solid var(--line); }
details:last-child { padding-bottom: 0; }
summary { cursor: pointer; font-size: 0.95rem; font-weight: 700; padding-right: 10px; }
summary::marker { color: var(--blue); }
details p { color: var(--muted); font-size: 0.9rem; padding-top: 14px; margin-bottom: 0; }
.support-aside { display: grid; gap: 24px; }
.report-card, .privacy-note { padding: 30px; }
.report-card p, .report-card li, .privacy-note p { font-size: 0.9rem; color: var(--muted); }
.disc-decoration { display: block; width: 45px; height: 45px; margin-bottom: 22px; border-radius: 50%; background: linear-gradient(140deg, #ffd66e, var(--gold), #e7a223); box-shadow: inset 0 0 0 6px #ffffff30, inset 0 0 0 8px #ad690333, 0 5px 0 #c88e25; }
.muted { color: var(--muted); }
.text-link { font-weight: 700; font-size: 0.9rem; }
.site-footer { display: flex; flex-wrap: wrap; align-items: start; justify-content: space-between; gap: 24px; padding: 38px 0; margin-top: 64px; border-top: 1px solid var(--line); font-size: 0.8rem; }
.site-footer strong { font-size: 0.9rem; }
.site-footer p { color: var(--muted); margin: 5px 0 0; }
.footer-links { display: flex; flex-wrap: wrap; column-gap: 22px; row-gap: 5px; }
.footer-links a { color: var(--muted); min-height: 32px; display: inline-flex; align-items: center; }
.copyright { flex-basis: 100%; }
.skip-link { position: absolute; top: 8px; left: 8px; transform: translateY(-200%); padding: 8px 16px; z-index: 10; background: var(--surface); border: 2px solid var(--blue); border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }
@media (max-width: 760px) {
  .hero { padding-top: 48px; }
  .policy-layout, .support-grid { grid-template-columns: 1fr; }
  .contents { position: static; }
  .contents a { display: inline-block; padding: 5px 10px 5px 0; margin-right: 6px; }
  .contents .section-label { display: block; }
  .contact-card { flex-direction: column; align-items: stretch; padding: 26px; }
  .contact-card .button { align-self: flex-start; }
  .support-aside { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .shell { width: calc(100% - 32px); }
  .site-header { gap: 12px; padding: 24px 0; flex-wrap: wrap; }
  nav a { padding: 8px 12px; }
  .brand { font-size: 1.7rem; }
  .brand small { font-size: 0.49rem; }
  .hero { padding: 40px 0 32px; }
  .hero-description { font-size: 1rem; }
  .faq, .report-card, .privacy-note { padding: 24px; }
  .support-aside { grid-template-columns: 1fr; }
  .site-footer { margin-top: 40px; }
}
@media (prefers-color-scheme: dark) {
  :root { --canvas: #0c1020; --surface: #171d30; --ink: #edf0fa; --muted: #b0b8cd; --blue: #a1b1ff; --line: #2d354d; --tint: #242e51; --green: #7cdbb4; }
  .button { color: #11172d; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}