:root {
  color-scheme: light;
  --ink: #12231f;
  --muted: #5f6e69;
  --line: #d9e3df;
  --paper: #fff;
  --soft: #edf6f2;
  --green: #0e8f7f;
  --green-dark: #063a32;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; }
a { color: inherit; text-underline-offset: .3em; }
a:focus-visible { outline: 2px solid var(--green); outline-offset: 6px; }
img { display: block; max-width: 100%; height: auto; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; top: 0; left: 24px; transform: translateY(-150%); padding: 12px; z-index: 20; color: #fff; background: var(--green-dark); }
.skip:focus { transform: translateY(0); }
.phrase { display: inline-block; max-width: 100%; overflow-wrap: anywhere; }
.site-header { border-bottom: 1px solid var(--line); }
.nav { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; min-height: 44px; align-items: center; flex-shrink: 0; }
.brand img { width: 160px; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; font-weight: 600; text-decoration: none; }
nav a:hover, .contact-link:hover, .source-link:hover { color: var(--green); }

.product { padding-block: 48px 56px; }
.product-feature { display: grid; grid-template-columns: .85fr 1.15fr; align-items: stretch; min-height: 330px; color: var(--ink); text-decoration: none; }
.product-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 24px 36px 24px 0; }
.section-number { color: var(--green); font-size: 13px; font-weight: 650; letter-spacing: .1em; }
.product h2 { margin: 18px 0 30px; font-size: clamp(40px, 5.4vw, 64px); font-weight: 650; line-height: 1.2; letter-spacing: -.055em; }
.product-link { display: inline-flex; align-items: center; min-height: 44px; gap: 42px; font-size: 13px; font-weight: 600; }
.arrow { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; font-size: 20px; color: var(--green-dark); }
.product-image { overflow: hidden; border-radius: 8px; background: var(--soft); }
.product-image img { width: 100%; height: 100%; aspect-ratio: 1.7; object-fit: cover; }
.product-feature:hover .arrow { color: #fff; background: var(--green-dark); border-color: var(--green-dark); }

.support { background: var(--soft); padding-block: 50px 56px; }
.section-heading { display: flex; align-items: baseline; gap: 22px; margin-bottom: 32px; }
.section-heading h2 { font-size: clamp(25px, 3vw, 34px); line-height: 1.6; letter-spacing: -.035em; font-weight: 650; margin: 0; }
.support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.support-item { background: var(--paper); padding: 30px 32px 32px; border-top: 2px solid var(--green-dark); border-radius: 0 0 8px 8px; }
.support-item h3 { margin: 0 0 18px; font-size: clamp(20px, 2vw, 24px); font-weight: 650; line-height: 1.65; letter-spacing: -.035em; }
.support-item p { margin: 0; font-size: 15px; line-height: 1.9; color: var(--muted); }

.company { display: grid; grid-template-columns: .85fr 1.15fr; gap: 0; padding-block: 68px 72px; }
.company h2 { font-size: 25px; font-weight: 650; line-height: 1.6; letter-spacing: -.025em; margin: 18px 0; }
.company-details { margin: 0; }
.company-details > div { display: grid; grid-template-columns: 105px 1fr; gap: 20px; border-top: 1px solid var(--line); padding-block: 18px; font-size: 14px; line-height: 1.9; }
.company-details > div:last-child { border-bottom: 1px solid var(--line); }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
.source-link, .contact-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 44px; margin-block: -8px; }
.source-link { text-decoration: none; }
.site-footer { border-top: 1px solid var(--line); padding-block: 30px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.site-footer .brand img { width: 128px; }
.site-footer p { margin: 6px 0 0; font-size: 11px; color: var(--muted); }
.site-footer nav { gap: 0 22px; }
.site-footer nav a { font-size: 12px; font-weight: 400; }

@media (max-width: 800px) {
  .wrap { width: calc(100% - 48px); }
  .nav { min-height: 78px; }
  nav { gap: 0 16px; }
  .product { padding-block: 32px 40px; }
  .product-feature { grid-template-columns: .8fr 1.2fr; min-height: 260px; }
  .product-copy { padding-right: 24px; }
  .product h2 { font-size: 42px; }
  .product-link { gap: 16px; }
  .support { padding-block: 36px 40px; }
  .support-grid { gap: 18px; }
  .support-item { padding: 24px; }
  .company { grid-template-columns: 1fr; padding-block: 40px 48px; gap: 20px; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 16px; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 40px); }
  .nav { align-items: flex-start; flex-direction: column; gap: 0; padding-block: 12px 4px; }
  .brand img { width: 142px; }
  .nav nav { width: 100%; justify-content: space-between; gap: 6px; }
  .nav nav a { font-size: 12px; }
  .product { padding-block: 26px 32px; }
  .product-feature { grid-template-columns: 1fr; min-height: 0; }
  .product-copy { display: grid; grid-template-columns: 1fr auto; padding: 0 0 22px; }
  .product-copy .section-number { grid-column: 1 / -1; margin-bottom: 12px; }
  .product h2 { margin: 0; font-size: 39px; }
  .product-link { gap: 0; font-size: 0; }
  .product-link .arrow { font-size: 20px; }
  .product-image img { aspect-ratio: 1.65; height: auto; }
  .section-heading { gap: 14px; margin-bottom: 24px; }
  .section-heading h2 { font-size: 25px; }
  .support-grid { grid-template-columns: 1fr; gap: 18px; }
  .support-item { padding: 24px; }
  .support-item h3 { font-size: 21px; margin-bottom: 12px; }
  .support-item p { font-size: 14px; line-height: 1.9; }
  .company h2 { margin: 0; font-size: 24px; }
  .company-details > div { grid-template-columns: 1fr; gap: 5px; padding-block: 17px; }
  dt { font-size: 12px; }
  .source-link, .contact-link { margin-block: 0; }
  .site-footer { padding-block: 24px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }