:root {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  color: #19211e;
  background: #f7f9f8;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; overflow-x: hidden; background: #f7f9f8; color: #19211e; }
a { color: #126e64; text-underline-offset: 3px; }
button { font: inherit; letter-spacing: 0; }
a:focus-visible, button:focus-visible { outline: 2px solid #126e64; outline-offset: 3px; }
[hidden] { display: none !important; }

.site-header {
  min-height: 64px;
  padding: 0 max(24px, calc((100vw - 1040px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgb(0 0 0 / .08);
  background: rgb(255 255 255 / .92);
  backdrop-filter: saturate(180%) blur(20px);
}
.brand-link { display: inline-flex; align-items: center; gap: 10px; color: #19211e; font-size: 15px; font-weight: 700; text-decoration: none; }
.brand-link img { width: 128px; height: 34px; object-fit: contain; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.home-link, .locale-button { min-height: 34px; padding: 0 11px; border-radius: 7px; font-size: 12px; font-weight: 650; }
.home-link { display: inline-flex; align-items: center; color: #4e5d57; text-decoration: none; }
.locale-button { border: 1px solid rgb(0 0 0 / .11); background: #fff; color: #126e64; cursor: pointer; }
.locale-button:hover { background: #f2f6f4; }
.locale-button[aria-pressed="true"] { border-color: #126e64; background: #126e64; color: #fff; }

.page-hero { padding: 58px 24px 48px; border-bottom: 1px solid rgb(0 0 0 / .08); background: #eaf4ef; }
.page-hero-inner, .page-content { width: min(1040px, 100%); margin: 0 auto; }
.eyebrow { margin: 0 0 13px; color: #526b62; font-size: 12px; font-weight: 750; }
h1 { margin: 0; max-width: 760px; font-size: 42px; line-height: 1.16; font-weight: 720; letter-spacing: 0; }
.hero-summary { max-width: 760px; margin: 17px 0 0; color: #52635d; font-size: 16px; line-height: 1.75; }
.updated { margin: 16px 0 0; color: #69766f; font-size: 12px; }

.page-content { padding: 50px 24px 76px; display: grid; grid-template-columns: 210px minmax(0, 720px); justify-content: space-between; gap: 64px; }
.section-nav { align-self: start; position: sticky; top: 24px; padding-left: 14px; border-left: 2px solid #cdded7; }
.section-nav strong { display: block; margin-bottom: 10px; color: #26332e; font-size: 12px; }
.section-nav a { display: block; padding: 5px 0; color: #617069; font-size: 12px; line-height: 1.45; text-decoration: none; }
.section-nav a:hover { color: #126e64; }
.article-content { min-width: 0; }
.article-content section { padding: 0 0 34px; scroll-margin-top: 20px; }
.article-content section + section { padding-top: 34px; border-top: 1px solid rgb(0 0 0 / .08); }
h2 { margin: 0 0 15px; font-size: 23px; line-height: 1.3; font-weight: 700; letter-spacing: 0; }
h3 { margin: 22px 0 8px; font-size: 16px; line-height: 1.45; }
p, li { color: #4f5e58; font-size: 14px; line-height: 1.8; }
p { margin: 0 0 13px; }
ul, ol { margin: 12px 0 0; padding-left: 22px; }
li + li { margin-top: 8px; }
.data-table { width: 100%; margin: 18px 0 4px; border-collapse: collapse; text-align: left; }
.data-table th, .data-table td { padding: 13px 12px; border-bottom: 1px solid rgb(0 0 0 / .09); vertical-align: top; font-size: 13px; line-height: 1.65; }
.data-table th { background: #eef4f1; color: #33433d; font-weight: 700; }
.data-table td { color: #52615b; }
.data-table th:first-child, .data-table td:first-child { width: 28%; }
.notice { margin: 18px 0 0; padding: 16px 18px; border-left: 3px solid #126e64; background: #eef5f2; }
.notice p:last-child { margin-bottom: 0; }
.contact-panel { padding: 22px 0 4px; border-top: 2px solid #126e64; }
.contact-panel strong { display: block; margin-bottom: 7px; font-size: 15px; }
.contact-button { min-height: 42px; margin-top: 6px; padding: 0 16px; border-radius: 7px; display: inline-flex; align-items: center; justify-content: center; background: #126e64; color: #fff; font-size: 13px; font-weight: 680; text-decoration: none; }
.contact-button:hover { background: #0d6259; }
.pricing-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 20px 0 6px; }
.pricing-card { padding: 22px; border: 1px solid rgb(0 0 0 / .09); border-radius: 12px; background: #fff; box-shadow: 0 8px 26px rgb(18 110 100 / .055); }
.pricing-card h3 { margin: 0; color: #26332e; font-size: 19px; }
.pricing-card .price { margin: 11px 0 4px; color: #126e64; font-size: 25px; line-height: 1.2; font-weight: 750; }
.pricing-card .price small { color: #69766f; font-size: 12px; font-weight: 600; }
.pricing-card .plan-summary { min-height: 48px; margin-bottom: 13px; }
.pricing-card ul { margin-top: 0; }
.pricing-note { margin-top: 22px; padding: 16px 18px; border-radius: 9px; background: #eef5f2; }
.pricing-note p:last-child { margin-bottom: 0; }
.faq-item { padding: 20px 0; border-top: 1px solid rgb(0 0 0 / .08); }
.faq-item:first-of-type { border-top: 0; }
.faq-item h3 { margin: 0 0 8px; }
.faq-item p:last-child { margin-bottom: 0; }

.site-footer { padding: 28px 24px 38px; background: #19211e; color: #d9e2de; }
.footer-inner { width: min(1040px, 100%); margin: 0 auto; display: flex; justify-content: space-between; gap: 20px; font-size: 13px; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-inner a { color: #d9e2de; }

@media (max-width: 760px) {
  .site-header { min-height: 58px; padding: 0 16px; }
  .home-link { display: none; }
  .page-hero { padding: 42px 20px 38px; }
  h1 { font-size: 34px; }
  .hero-summary { font-size: 15px; }
  .page-content { padding: 36px 20px 56px; display: block; }
  .section-nav { display: none; }
  .article-content section { padding-bottom: 28px; }
  .article-content section + section { padding-top: 28px; }
  h2 { font-size: 21px; }
  .data-table { display: block; overflow-x: auto; }
  .data-table th, .data-table td { min-width: 150px; padding: 11px 10px; }
  .pricing-cards { grid-template-columns: 1fr; }
  .pricing-card .plan-summary { min-height: 0; }
  .footer-inner { flex-direction: column; }
}

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

@media (prefers-reduced-transparency: reduce) {
  .site-header { background: #fff; backdrop-filter: none; }
}

@media (prefers-contrast: more) {
  .site-header, .page-hero, .article-content section + section, .faq-item, .data-table th, .data-table td { border-color: #4a4a4a; }
  .section-nav { border-color: #126e64; }
}
