:root {
  color-scheme: light;
  --co-ink: #0b2039;
  --co-muted: #4c6075;
  --co-blue: #075bd8;
  --co-blue-deep: #084aa9;
  --co-paper: #f6f8fb;
  --co-white: #fff;
  --co-line: #d9e2eb;
  --co-navy: #0b1f36;
  --co-navy-line: #2b4561;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html { scroll-padding-top: 88px; }
body { margin: 0; background: var(--co-white); color: var(--co-ink); font: 16px/1.55 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
a:focus-visible { outline: 3px solid #6aa6ff; outline-offset: 4px; }
.co-wrap { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.co-skip { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 15px; transform: translateY(-150%); background: var(--co-navy); color: #fff; }
.co-skip:focus { transform: none; }

.co-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid var(--co-line); background: rgba(255,255,255,.97); }
.co-header-inner { display: flex; min-height: 78px; align-items: center; justify-content: space-between; gap: 20px; }
.co-brand { display: inline-flex; min-height: 44px; align-items: center; flex: none; }
.co-brand img { width: 160px; height: auto; }
.co-header nav { display: flex; align-items: center; gap: clamp(17px, 3vw, 34px); }
.co-header nav a { display: inline-flex; min-height: 44px; align-items: center; color: #31485f; font-size: 13px; font-weight: 700; }
.co-header nav a:hover, .co-footer a:hover { color: var(--co-blue); }
.co-header nav .co-nav-contact { color: var(--co-blue); }

.co-hero { border-bottom: 1px solid var(--co-line); background: var(--co-paper); }
.co-hero-inner { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(350px, .85fr); align-items: center; gap: clamp(45px, 7vw, 112px); min-height: 610px; padding-block: 86px 95px; }
.co-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0; color: var(--co-blue-deep); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.co-eyebrow::before { content: ""; width: 21px; height: 2px; background: var(--co-blue); }
.co-hero h1 { max-width: 700px; margin: 24px 0 25px; font-size: clamp(51px, 5.35vw, 78px); line-height: 1.04; letter-spacing: -.055em; font-weight: 750; }
.co-hero h1 em { color: var(--co-blue); font-style: normal; }
.co-hero-lead { max-width: 550px; margin: 0; color: var(--co-muted); font-size: clamp(16px, 1.35vw, 18px); line-height: 1.65; }
.co-choice { min-width: 0; border-top: 2px solid var(--co-ink); }
.co-choice-label { display: flex; justify-content: space-between; gap: 10px; padding: 15px 0 6px; color: var(--co-muted); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.co-choice a { display: grid; grid-template-columns: 56px minmax(0, 1fr) 26px; align-items: center; gap: 15px; min-height: 115px; padding: 17px 0; border-bottom: 1px solid #bfcbd8; }
.co-choice a:hover { color: var(--co-blue-deep); }
.co-choice a:hover .co-choice-arrow, .co-choice a:focus-visible .co-choice-arrow { transform: translate(3px, -3px); }
.co-choice-icon { width: 56px; height: 56px; border-radius: 12px; }
.co-choice-title { display: block; font-size: 22px; font-weight: 750; letter-spacing: -.035em; line-height: 1.2; }
.co-choice-detail { display: block; margin-top: 5px; color: var(--co-muted); font-size: 13px; line-height: 1.4; }
.co-choice-arrow { justify-self: end; color: var(--co-blue); font-size: 27px; line-height: 1; transition: transform .18s ease; }

.co-products { padding-block: 100px 115px; }
.co-section-intro { display: grid; grid-template-columns: minmax(0, .55fr) minmax(0, 1fr); align-items: end; gap: 50px; margin-bottom: 38px; }
.co-section-intro h2 { max-width: 600px; margin: 0; font-size: clamp(33px, 3.8vw, 53px); line-height: 1.12; letter-spacing: -.045em; }
.co-section-intro p { margin: 0; color: var(--co-muted); font-size: 15px; }
.co-product-story { display: grid; grid-template-columns: 130px minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(24px, 5vw, 72px); padding-block: 46px 50px; border-top: 1px solid var(--co-line); }
.co-product-story:last-child { border-bottom: 1px solid var(--co-line); }
.co-story-index { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; color: var(--co-blue-deep); font-size: 12px; font-weight: 800; letter-spacing: .09em; }
.co-story-index img { width: 54px; height: 54px; border-radius: 11px; }
.co-story-main h3 { margin: -6px 0 12px; font-size: clamp(31px, 3vw, 42px); line-height: 1.14; letter-spacing: -.045em; }
.co-story-main p { max-width: 530px; margin: 0 0 22px; color: var(--co-muted); font-size: 15px; line-height: 1.7; }
.co-story-main > a { display: inline-flex; min-height: 44px; align-items: center; gap: 11px; color: var(--co-blue-deep); font-size: 14px; font-weight: 750; }
.co-story-main > a span { font-size: 18px; transition: transform .18s ease; }
.co-story-main > a:hover span { transform: translate(3px, -3px); }
.co-story-side { padding-top: 2px; }
.co-story-side > span { display: block; margin-bottom: 15px; color: var(--co-muted); font-size: 11px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.co-story-side ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--co-line); }
.co-story-side li { border-bottom: 1px solid var(--co-line); }
.co-story-side li a, .co-story-side li > span { display: flex; min-height: 50px; align-items: center; justify-content: space-between; gap: 12px; font-size: 14px; font-weight: 650; }
.co-story-side li a:hover { color: var(--co-blue); }
.co-story-side li a > span { color: var(--co-blue); font-size: 18px; }
.co-story-side li > span { color: #35516b; }

.co-about { background: var(--co-navy); color: #fff; }
.co-about-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .75fr); gap: clamp(35px, 8vw, 120px); padding-block: 88px 94px; }
.co-about .co-eyebrow { color: #91b8fb; }
.co-about h2 { max-width: 660px; margin: 22px 0 0; font-size: clamp(34px, 4vw, 56px); line-height: 1.13; letter-spacing: -.045em; }
.co-about-text { padding-top: 20px; }
.co-about-text > p { max-width: 470px; margin: 0; color: #c6d5e5; font-size: 16px; line-height: 1.75; }
.co-help-links { display: grid; gap: 0; margin-top: 27px; border-top: 1px solid var(--co-navy-line); }
.co-help-links a { display: flex; min-height: 54px; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--co-navy-line); color: #f4f8ff; font-size: 13px; font-weight: 700; }
.co-help-links a:hover { color: #9fc4ff; }
.co-help-links a span { color: #91b8fb; font-size: 18px; }

.co-footer { background: #fff; }
.co-footer-inner { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, .6fr)); gap: 40px; padding-block: 55px 48px; }
.co-footer-brand img { width: 160px; height: auto; }
.co-footer-brand p { max-width: 280px; margin: 15px 0 0; color: var(--co-muted); font-size: 13px; }
.co-footer-links { display: grid; align-content: start; gap: 12px; }
.co-footer-links strong { margin-bottom: 4px; font-size: 12px; }
.co-footer-links a { color: var(--co-muted); font-size: 13px; }
.co-footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 7px 20px; padding-block: 17px 22px; border-top: 1px solid var(--co-line); color: var(--co-muted); font-size: 11px; }

@media (max-width: 900px) {
  .co-hero-inner { grid-template-columns: 1fr; min-height: 0; gap: 48px; padding-block: 66px 76px; }
  .co-choice { max-width: 680px; }
  .co-section-intro { grid-template-columns: 1fr; gap: 12px; }
  .co-product-story { grid-template-columns: 75px minmax(0, 1fr); gap: 20px 28px; }
  .co-story-side { grid-column: 2; }
  .co-about-inner { grid-template-columns: 1fr; gap: 12px; }
  .co-about-text { padding-top: 0; }
}

@media (max-width: 600px) {
  html { scroll-padding-top: 74px; }
  .co-wrap { width: min(100% - 32px, 1160px); }
  .co-header-inner { min-height: 66px; gap: 12px; }
  .co-brand img { width: 128px; }
  .co-header nav { gap: 14px; }
  .co-header nav a { font-size: 12px; }
  .co-header nav a[href="#company"] { display: none; }
  .co-hero-inner { gap: 37px; padding-block: 46px 55px; }
  .co-hero h1 { margin-block: 19px; font-size: clamp(40px, 10.5vw, 51px); letter-spacing: -.05em; }
  .co-hero-lead { font-size: 15px; }
  .co-choice a { grid-template-columns: 48px minmax(0, 1fr) 21px; gap: 11px; min-height: 96px; padding-block: 13px; }
  .co-choice-icon { width: 48px; height: 48px; border-radius: 10px; }
  .co-choice-title { font-size: 19px; }
  .co-choice-detail { font-size: 12px; }
  .co-products { padding-block: 68px 76px; }
  .co-section-intro { margin-bottom: 26px; }
  .co-section-intro h2 { font-size: 34px; }
  .co-product-story { grid-template-columns: 1fr; gap: 10px; padding-block: 31px 36px; }
  .co-story-index { flex-direction: row; align-items: center; gap: 12px; }
  .co-story-index img { width: 36px; height: 36px; border-radius: 8px; }
  .co-story-main h3 { margin: 5px 0 9px; font-size: 32px; }
  .co-story-main p { font-size: 14px; }
  .co-story-side { grid-column: auto; margin-top: 13px; }
  .co-about-inner { padding-block: 66px 73px; }
  .co-about h2 { font-size: 36px; }
  .co-about-text > p { font-size: 15px; }
  .co-footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 33px 24px; padding-block: 47px 42px; }
  .co-footer-brand { grid-column: 1 / -1; }
  .co-footer-bottom { font-size: 11px; }
}

@media (max-width: 350px) {
  .co-header nav { gap: 10px; }
  .co-header nav a { font-size: 11px; }
  .co-brand img { width: 117px; }
  .co-hero h1 { font-size: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .co-choice-arrow, .co-story-main > a span { transition: none; }
}