:root {
  --ink: #111419;
  --paper: #ffffff;
  --soft: #f3f4f5;
  --line: #d9dcdf;
  --muted: #60666d;
  --accent: #ef8d32;
  --cyan: #168ca6;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  line-height: 1.8;
}
body.menu-open { overflow: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 200;
  padding: 9px 14px;
  color: #fff;
  background: var(--ink);
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 10px max(28px, calc((100vw - 1440px) / 2));
  color: #fff;
  transition: color .25s ease, background-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled,
.site-header.solid {
  color: var(--ink);
  background: rgba(255,255,255,.96);
  box-shadow: 0 1px 0 rgba(17,20,25,.12);
  backdrop-filter: blur(12px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  color: inherit;
  text-decoration: none;
}
.brand img {
  width: 40px;
  height: 40px;
  color: currentColor;
  filter: brightness(0) invert(1);
}
.site-header.scrolled .brand img,
.site-header.solid .brand img { filter: none; }
.brand span { display: grid; line-height: 1.05; }
.brand strong { font-size: 18px; letter-spacing: 0; }
.brand small { margin-top: 5px; font-size: 10px; font-weight: 600; }

.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a {
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.site-nav a:not(.nav-contact) { position: relative; }
.site-nav a:not(.nav-contact)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0;
  transform: scaleX(.3);
  transition: opacity .2s ease, transform .2s ease;
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after { opacity: 1; transform: scaleX(1); }
.nav-contact {
  min-width: 128px;
  padding: 10px 20px;
  color: #fff;
  background: var(--accent);
  text-align: center;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  color: inherit;
  background: transparent;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100svh;
  overflow: hidden;
  color: #fff;
  text-align: center;
  background: #4d5867;
}
.hero video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(21,29,41,.20);
}
.hero-copy {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 48px));
  padding-top: 40px;
  text-shadow: 0 2px 18px rgba(0,0,0,.30);
}
.hero h1 {
  margin: 0;
  font-size: clamp(42px, 5.1vw, 76px);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: 0;
}
.hero-copy p {
  margin: 16px 0 0;
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 700;
}
.scroll-cue {
  position: absolute;
  bottom: 25px;
  left: 50%;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 7px;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  text-decoration: none;
  transform: translateX(-50%);
}
.scroll-cue span { width: 1px; height: 34px; background: #fff; }

.section { padding: 110px 32px; }
.section-inner { width: min(var(--content), 100%); margin: 0 auto; }
.narrow { width: min(820px, 100%); }
.center { text-align: center; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
}
.eyebrow.light { color: #f2a052; }
h1, h2, h3, p { margin-top: 0; }
h2 {
  margin-bottom: 26px;
  font-size: clamp(34px, 4.3vw, 58px);
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: 0;
}
h3 { margin-bottom: 12px; font-size: 23px; line-height: 1.4; letter-spacing: 0; }
.section-lead { margin-bottom: 0; color: var(--muted); font-size: 17px; }

.intro-section { padding-bottom: 120px; }
.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 72px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.strength-item { min-height: 260px; padding: 36px 34px; border-right: 1px solid var(--line); }
.strength-item:last-child { border-right: 0; }
.number { display: block; margin-bottom: 56px; color: var(--cyan); font-size: 13px; font-weight: 800; }
.strength-item p { margin-bottom: 0; color: var(--muted); }

.product-section { background: var(--soft); }
.section-heading { margin-bottom: 54px; }
.split-heading {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(360px, 1fr);
  gap: 80px;
  align-items: end;
}
.split-heading h2, .split-heading p { margin-bottom: 0; }
.split-heading > p { color: var(--muted); }
.featured-product {
  display: grid;
  grid-template-columns: minmax(360px, .88fr) minmax(0, 1.35fr);
  min-height: 560px;
  background: #fff;
  box-shadow: 0 18px 60px rgba(17,20,25,.08);
}
.featured-product.compact { min-height: 520px; }
.product-copy { display: flex; flex-direction: column; justify-content: center; padding: 58px; }
.product-label { margin-bottom: 26px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.product-logo { width: 170px; height: auto; margin-bottom: 28px; }
.product-copy h3 { font-size: clamp(26px, 2.5vw, 38px); }
.product-copy h2 { font-size: clamp(28px, 3vw, 42px); }
.product-copy > p { color: var(--muted); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 30px; padding: 0; list-style: none; }
.tag-list li { padding: 5px 10px; border: 1px solid var(--line); font-size: 12px; font-weight: 700; }
.button-row { display: flex; flex-wrap: wrap; gap: 24px; }
.text-link { display: inline-flex; align-items: center; gap: 32px; width: fit-content; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-weight: 750; text-decoration: none; }
.text-link span { color: var(--accent); }
.text-link.secondary { color: var(--muted); }
.product-visual { min-width: 0; min-height: 430px; overflow: hidden; background: #e9ebef; }
.product-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 28% center; }
.product-future {
  display: grid;
  grid-template-columns: 180px 1fr 60px;
  gap: 36px;
  align-items: center;
  margin-top: 22px;
  padding: 30px 34px;
  border: 1px solid #cfd3d6;
  background: transparent;
}
.product-future > span { color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.product-future h3, .product-future p { margin-bottom: 0; }
.product-future p { color: var(--muted); }
.circle-link {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-size: 22px;
  text-decoration: none;
}

.business-section { background: #fff; }
.business-list { border-top: 1px solid var(--ink); }
.business-list article {
  display: grid;
  grid-template-columns: 80px minmax(220px, .7fr) 1.3fr;
  gap: 30px;
  align-items: baseline;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.business-list span { color: var(--cyan); font-size: 12px; font-weight: 800; }
.business-list h3, .business-list p { margin-bottom: 0; }
.business-list p { color: var(--muted); }
.legal-note { margin: 32px 0 0; color: #7c8288; font-size: 12px; }

.philosophy-section { color: #fff; background: #11171b; }
.philosophy-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.philosophy-copy { padding-top: 56px; font-size: 18px; }
.philosophy-copy p { color: #d5d8da; }
.principles { display: flex; flex-wrap: wrap; gap: 18px 36px; margin-top: 50px; padding-top: 24px; border-top: 1px solid #4a4f53; }
.principles span { color: #fff; font-size: 13px; font-weight: 800; text-transform: uppercase; }

.company-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: start; }
.company-facts { margin: 0; border-top: 1px solid var(--ink); }
.company-facts div { display: grid; grid-template-columns: 140px 1fr; padding: 22px 0; border-bottom: 1px solid var(--line); }
.company-facts dt { color: var(--muted); font-size: 13px; }
.company-facts dd { margin: 0; font-weight: 650; }

.contact-band { padding: 86px 32px; color: var(--ink); background: #eef0f1; }
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 90px; align-items: end; }
.contact-grid h2 { margin-bottom: 10px; }
.contact-grid p { color: var(--muted); }
.contact-button, .large-phone {
  display: inline-flex;
  align-items: center;
  gap: 36px;
  margin-top: 20px;
  padding-bottom: 7px;
  border-bottom: 2px solid var(--ink);
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
}
.contact-button span { color: var(--accent); font-size: 28px; }
address { color: var(--muted); font-style: normal; }
address > span { display: block; margin-bottom: 18px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .14em; }

.site-footer { padding: 52px 32px 28px; color: #fff; background: #0b0e11; }
.footer-brand { display: flex; align-items: center; gap: 12px; width: min(var(--content), 100%); margin: 0 auto 36px; font-size: 17px; font-weight: 700; }
.footer-brand img { width: 34px; color: #fff; filter: brightness(0) invert(1); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px 34px; width: min(var(--content), 100%); margin: 0 auto 44px; }
.site-footer nav a { color: #d8dbdd; font-size: 13px; text-decoration: none; }
.site-footer > p { width: min(var(--content), 100%); margin: 0 auto; padding-top: 24px; border-top: 1px solid #31363a; color: #8d9398; font-size: 11px; }

.inner-page { padding-top: 72px; }
.page-hero { padding: 110px 32px 90px; background: #eceeef; }
.page-hero > div { width: min(var(--content), 100%); margin: 0 auto; }
.page-hero h1 { margin: 0 0 18px; font-size: clamp(45px, 7vw, 82px); line-height: 1.08; letter-spacing: 0; }
.page-hero p:last-child { margin-bottom: 0; color: var(--muted); font-size: 18px; }
.catalog-note { max-width: 800px; margin: 80px auto 0; text-align: center; }
.catalog-note > span { color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.catalog-note h2 { margin-top: 18px; }
.catalog-note p { color: var(--muted); }
.profile-wrap { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.profile-table { margin: 0; border-top: 1px solid var(--ink); }
.profile-table div { display: grid; grid-template-columns: 180px 1fr; padding: 24px 0; border-bottom: 1px solid var(--line); }
.profile-table dt { color: var(--muted); font-size: 13px; }
.profile-table dd { margin: 0; }
.purpose-list { display: grid; gap: 0; margin: 0; padding: 0; border-top: 1px solid var(--ink); list-style-position: inside; }
.purpose-list li { padding: 18px 8px; border-bottom: 1px solid var(--line); }
.contact-page-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 100px; align-items: start; }
.contact-page-grid address { padding: 34px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.contact-page-grid address .text-link { margin-top: 28px; }
.policy-copy { max-width: 850px; }
.policy-copy h2 { margin: 54px 0 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); font-size: 24px; }
.policy-copy h2:first-child { margin-top: 0; }
.policy-copy p { color: var(--muted); }

@media (max-width: 900px) {
  .site-header { min-height: 68px; padding: 8px 18px; }
  .site-header:not(.scrolled):not(.solid):has(.site-nav.open) { color: var(--ink); background: #fff; }
  .site-header:not(.scrolled):not(.solid):has(.site-nav.open) .brand img { filter: none; }
  .brand img { width: 36px; height: 36px; }
  .brand strong { font-size: 16px; }
  .menu-toggle { display: block; }
  .site-nav {
    position: fixed;
    inset: 68px 0 0;
    display: none;
    align-content: start;
    padding: 38px 24px;
    color: var(--ink);
    background: #fff;
  }
  .site-nav.open { display: grid; }
  .site-nav a { padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  .site-nav a::after { display: none; }
  .nav-contact { color: var(--ink); background: transparent; text-align: left; }
  .hero-copy { width: calc(100% - 34px); }
  .hero h1 { font-size: clamp(38px, 10vw, 58px); }
  .hero-copy p { font-size: 17px; }
  .section { padding: 82px 20px; }
  .strength-grid { grid-template-columns: 1fr; margin-top: 52px; }
  .strength-item { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .strength-item:last-child { border-bottom: 0; }
  .number { margin-bottom: 24px; }
  .split-heading, .philosophy-grid, .company-grid, .profile-wrap, .contact-page-grid { grid-template-columns: 1fr; gap: 44px; }
  .featured-product { grid-template-columns: 1fr; }
  .product-copy { padding: 40px 28px; }
  .product-visual { min-height: 300px; }
  .product-future { grid-template-columns: 1fr 50px; gap: 14px 20px; }
  .product-future > span { grid-column: 1 / -1; }
  .business-list article { grid-template-columns: 42px 1fr; gap: 8px 16px; }
  .business-list article p { grid-column: 2; }
  .philosophy-copy { padding-top: 0; }
  .company-facts div { grid-template-columns: 110px 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 58px; }
  .contact-button, .large-phone { font-size: 34px; }
  .profile-table div { grid-template-columns: 120px 1fr; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 40px; }
  .hero-copy p { font-size: 15px; }
  h2 { font-size: 33px; }
  .section { padding: 70px 18px; }
  .strength-item { padding: 30px 14px; }
  .product-copy { padding: 34px 20px; }
  .product-visual { min-height: 250px; }
  .product-future { padding: 26px 20px; }
  .business-list article { padding: 24px 0; }
  .company-facts div, .profile-table div { grid-template-columns: 1fr; gap: 6px; }
  .contact-band { padding: 68px 20px; }
  .contact-button, .large-phone { gap: 14px; font-size: 29px; }
  .page-hero { padding: 80px 20px 64px; }
  .page-hero h1 { font-size: 44px; overflow-wrap: anywhere; }
  .site-footer { padding-inline: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}