/* SYSTA website draft — plain static HTML/CSS, no external dependencies. */
:root {
  --ink: #123138;
  --muted: #53666b;
  --line: #dbe7e6;
  --aqua: #099fa4;
  --aqua-dark: #087c82;
  --soft: #f5f9f8;
  --paper: #ffffff;
  --deep: #0c292f;
  --orange: #bd7447;
  --radius: 16px;
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; font-size: 16px; line-height: 1.85; }
a { color: var(--aqua-dark); text-underline-offset: 0.18em; }
a:hover { color: #065f64; }
a:focus-visible { outline: 3px solid #de9451; outline-offset: 4px; }
.container { width: min(1100px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; left: 12px; top: -80px; z-index: 10; padding: 9px 16px; background: white; }
.skip-link:focus { top: 8px; }
.site-header { background: white; border-bottom: 1px solid var(--line); }
.header-row { min-height: 83px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 13px; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand-symbol { width: 7px; height: 28px; background: var(--aqua); border-radius: 3px; display: block; }
.brand-name { font-family: Bahnschrift, "Arial Narrow", Arial, sans-serif; font-size: 28px; font-weight: 750; letter-spacing: .08em; line-height: 1; }
.brand-sub { display: block; color: #688186; font-size: 9px; letter-spacing: .12em; font-weight: 600; margin-top: 6px; }
.primary-nav { display: flex; gap: 27px; align-items: center; flex-wrap: wrap; }
.primary-nav a { font-size: 13px; font-weight: 700; color: #4d6268; text-decoration: none; white-space: nowrap; }
.primary-nav a[aria-current="page"] { color: var(--aqua-dark); }
.primary-nav a:hover { color: var(--aqua-dark); }
.primary-nav .nav-contact { color: var(--aqua-dark); border-bottom: 1px solid currentColor; }

.hero { padding: 84px 0 78px; overflow: hidden; }
.hero--home { background: #f6f9f8; }
.hero--medical { background: var(--deep); color: #fff; }
.hero--manufacturing { background: #f1f6f4; }
.hero-content { max-width: 900px; }
.eyebrow { display: inline-flex; gap: 10px; align-items: center; font-family: Bahnschrift, Arial, sans-serif; font-size: 12px; letter-spacing: .19em; font-weight: 700; color: var(--aqua-dark); line-height: 1.5; }
.eyebrow::before { content: ""; display: block; width: 25px; height: 2px; background: currentColor; }
.hero--medical .eyebrow { color: #6ed6d2; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(28px, 4.3vw, 48px); font-weight: 750; line-height: 1.52; letter-spacing: .035em; margin: 24px 0 18px; }
h1 .accent { color: var(--aqua); }
.hero--medical h1 .accent { color: #5ed8d0; }
.lead { font-size: 17px; line-height: 2; color: #4a6166; max-width: 810px; margin-bottom: 0; }
.hero--medical .lead { color: #cae0df; }
.hero-note { margin-top: 25px; display: inline-block; font-size: 13px; color: #55777b; }
.hero--medical .hero-note { color: #a7c5c5; }

.section { padding: 76px 0; }
.section--soft { background: var(--soft); }
.section-kicker { margin: 0 0 6px; color: var(--aqua-dark); font-size: 11px; font-family: Bahnschrift, Arial, sans-serif; font-weight: 700; letter-spacing: .16em; }
h2 { font-size: clamp(23px, 3.1vw, 30px); line-height: 1.55; margin: 0 0 19px; letter-spacing: .025em; }
.section-intro { color: var(--muted); max-width: 800px; margin-bottom: 32px; }
h3 { font-size: 19px; line-height: 1.5; margin-bottom: 12px; }
p { margin-bottom: 15px; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid--three { grid-template-columns: repeat(3, 1fr); }
.panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; background: white; }
.panel p { color: var(--muted); font-size: 15px; }
.panel p:last-child { margin-bottom: 0; }
.panel a.more { display: inline-block; font-weight: 750; font-size: 14px; text-decoration: none; border-bottom: 1px solid currentColor; margin-top: 8px; }
.panel .tag { color: var(--aqua-dark); font: 700 12px Bahnschrift, Arial, sans-serif; letter-spacing: .15em; margin-bottom: 12px; }
.panel--medical { border-top: 3px solid var(--aqua); }
.panel--industry { border-top: 3px solid var(--orange); }
.panel--industry .tag { color: var(--orange); }

.product-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 31px 0; }
.product-strip-inner { display: flex; gap: 25px; align-items: center; justify-content: space-between; }
.product-name { font-family: Bahnschrift, Arial, sans-serif; font-size: 22px; letter-spacing: .06em; font-weight: 750; line-height: 1.3; }
.product-strip p { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.small-label { color: var(--aqua-dark); font-size: 11px; font-weight: 750; letter-spacing: .13em; }

.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 10px 0 0; }
.process-item { padding: 27px 23px; border: 1px solid #cbdedc; background: white; border-radius: 12px; position: relative; min-height: 143px; }
.process-item::after { content: "→"; position: absolute; right: -17px; top: 54px; color: var(--aqua-dark); font-size: 22px; font-weight: 700; z-index: 2; }
.process-item:last-child::after { display: none; }
.process .process-label { font-family: Bahnschrift, Arial, sans-serif; font-size: 11px; color: var(--aqua-dark); font-weight: 700; letter-spacing: .12em; margin-bottom: 6px; }
.process strong { display: block; font-size: 17px; }
.process small { display: block; font-size: 13px; color: #637b7f; line-height: 1.65; margin-top: 5px; }
.notice { color: var(--muted); font-size: 13px; padding: 16px 20px; background: #f4f7f6; border-left: 3px solid #9bb6b7; margin: 25px 0 0; }

.contact-section { padding: 67px 0 76px; border-top: 1px solid var(--line); }
.contact-row { display: flex; gap: 30px; align-items: center; justify-content: space-between; }
.contact-row h2 { margin-bottom: 10px; }
.contact-row p { color: var(--muted); margin-bottom: 0; }
.mail-link { display: inline-flex; align-items: center; justify-content: center; padding: 14px 24px; min-height: 52px; border-radius: 6px; text-decoration: none; background: var(--aqua-dark); color: white; font-weight: 750; font-size: 15px; white-space: nowrap; }
.mail-link:hover { background: #08686d; color: white; }
.mail-address { margin-top: 12px; font-size: 13px; color: var(--muted); }
.mail-address a { color: inherit; }
.site-footer { padding: 30px 0 38px; background: #f6f8f7; border-top: 1px solid var(--line); font-size: 12px; color: #637579; }
.footer-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-row a { color: #526d72; }

@media (max-width: 760px) {
  .container { width: min(100% - 34px, 1100px); }
  .header-row { padding: 20px 0 16px; min-height: 0; align-items: flex-start; flex-direction: column; gap: 16px; }
  .brand-name { font-size: 25px; }
  .primary-nav { gap: 10px 18px; }
  .primary-nav a { font-size: 12px; }
  .hero { padding: 62px 0 66px; }
  h1 { line-height: 1.55; }
  .lead { font-size: 15px; }
  .section { padding: 54px 0; }
  .grid, .grid--three, .process { grid-template-columns: 1fr; }
  .panel { padding: 24px 22px; }
  .process-item { min-height: 0; }
  .process-item::after { content: "↓"; right: auto; left: 50%; top: auto; bottom: -25px; transform: translateX(-50%); }
  .product-strip-inner, .contact-row { flex-direction: column; align-items: flex-start; }
  .contact-section { padding: 54px 0; }
  .mail-link { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }