:root {
  --ink: #1e1e1e;
  --ink-soft: #4a4a4a;
  --paper: #ffffff;
  --mist: #f5f5f5;
  --line: #e2e2e2;
  --copper: #b46a2c;
  --copper-deep: #a26028;
  --measure: 46rem;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 17px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

a { color: var(--copper-deep); text-underline-offset: 0.2em; }
a:hover { color: var(--ink); }
a:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus { left: 16px; top: 8px; background: var(--paper); padding: 8px 12px; z-index: 10; }

.wrap {
  width: 100%;
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 24px;
}

/* header */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand { color: var(--ink); text-decoration: none; line-height: 1.4; }
.brand-name { display: block; font-weight: 700; letter-spacing: 0.06em; font-size: 1.05rem; }
.brand-sub { display: block; font-size: 0.8rem; color: var(--ink-soft); letter-spacing: 0.08em; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 22px; }
.site-nav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; padding: 4px 0; border-bottom: 1px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { border-bottom-color: var(--copper); }

/* sections */
main { display: block; }
.section { padding: 72px 0; }
.section.alt { background: var(--mist); }
.section > .wrap > * { max-width: var(--measure); }
.section > .wrap > .wide { max-width: none; }

h1, h2, h3 { line-height: 1.5; font-weight: 700; letter-spacing: 0.04em; }
h1 { font-size: 1.9rem; margin: 0 0 24px; }
h2 { font-size: 1.45rem; margin: 0 0 28px; padding-bottom: 12px; border-bottom: 2px solid var(--copper); display: inline-block; }
h3 { font-size: 1.1rem; margin: 32px 0 8px; }
p { margin: 0 0 1.2em; }

.eyebrow { color: var(--copper-deep); font-size: 0.9rem; letter-spacing: 0.14em; margin-bottom: 12px; }
.hero { padding: 96px 0 88px; background: var(--mist); }
.hero h1 { font-size: 2.1rem; }
.lead { font-size: 1.1rem; color: var(--ink-soft); }

/* call to action */
.cta-block { margin-top: 32px; }
.cta {
  display: inline-block;
  background: var(--copper);
  color: #fff;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.6;
}
.cta:hover { background: var(--copper-deep); color: #fff; }
.cta-note { font-size: 0.9rem; color: var(--ink-soft); margin-top: 12px; }

/* points */
.points { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 24px; }
.points li { background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--copper); padding: 24px; }
.points h3 { margin-top: 0; }
.points p { margin: 0; }

/* steps */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; }
.steps li { counter-increment: step; position: relative; padding: 0 0 28px 64px; }
.steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid var(--copper); color: var(--copper-deep);
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.steps h3 { margin: 4px 0 4px; }
.steps p { margin: 0; }

/* FAQ */
.faq dt { font-weight: 700; margin-top: 28px; }
.faq dt::before { content: "Q. "; color: var(--copper-deep); }
.faq dd { margin: 8px 0 0; }

/* tables */
.info { width: 100%; border-collapse: collapse; }
.info th, .info td { text-align: left; vertical-align: top; padding: 16px 12px; border-bottom: 1px solid var(--line); }
.info th { width: 9em; font-weight: 700; color: var(--ink-soft); }

/* notice */
.notice { border-left: 3px solid var(--copper); background: var(--paper); padding: 20px 24px; margin: 24px 0; }
.section.alt .notice { background: var(--paper); }

.policy h2 { font-size: 1.2rem; margin-top: 48px; }
.policy ol, .policy ul { padding-left: 1.4em; }
.policy li { margin-bottom: 0.5em; }
.meta { color: var(--ink-soft); font-size: 0.95rem; }

/* footer */
.site-footer { background: var(--ink); color: #f5f5f5; padding: 48px 0 40px; font-size: 0.95rem; }
.site-footer a { color: #f5f5f5; }
.site-footer a:hover { color: #e3b58c; }
.footer-name { font-weight: 700; letter-spacing: 0.06em; margin-bottom: 8px; }
.footer-links { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer-copy { margin-top: 24px; color: #bdbdbd; font-size: 0.85rem; }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .section { padding: 56px 0; }
  .hero { padding: 64px 0 56px; }
  .hero h1, h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }
  .info th, .info td { display: block; width: auto; padding: 4px 0; border: 0; }
  .info th { padding-top: 16px; }
  .info tr { display: block; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
  .cta { display: block; text-align: center; padding: 14px 16px; }
}
.site-footer address { font-style: normal; }
@media (max-width: 600px) { .hero h1 br { display: none; } }