:root {
  --navy: #061a35;
  --navy-dark: #031328;
  --blue: #075bc5;
  --blue-bright: #0874e8;
  --orange: #f47a00;
  --text: #0b1d36;
  --muted: #4b596b;
  --line: #dce3eb;
  --surface: #f4f6f8;
  --white: #fff;
  --content: 1180px;
  --radius: 4px;
  --shadow: 0 3px 14px rgba(15, 35, 58, .12);
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body { margin: 0; color: var(--text); font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; font-size: 1.6rem; line-height: 1.7; background: var(--white); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.content-width { width: min(92%, var(--content)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 999; top: 1rem; left: 1rem; padding: 1rem 1.6rem; color: var(--white); background: var(--navy); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { height: 7.8rem; background: var(--white); }
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { font-size: 2.7rem; font-weight: 900; font-style: italic; letter-spacing: -.1rem; }
.global-nav { height: 100%; display: flex; align-items: center; gap: 4rem; font-weight: 700; font-size: 1.6rem; }
.global-nav a:not(.global-nav__contact):hover, .global-nav a:not(.global-nav__contact):focus-visible { color: var(--blue); }
.global-nav__contact { height: 100%; display: grid; place-items: center; padding: 0 2.6rem; margin-left: -1.5rem; color: var(--white); background: var(--blue); }
.global-nav__contact:hover, .global-nav__contact:focus-visible { background: #034ba6; }
.menu-button { display: none; }

.hero { min-height: 55rem; color: var(--white); background: linear-gradient(90deg, rgba(1, 17, 37, .9) 0%, rgba(1, 17, 37, .66) 35%, rgba(1, 17, 37, .08) 70%), url("../images/01.webp") center/cover no-repeat; }
.hero__inner { padding-block: 5.2rem 4.6rem; }
.hero h1 { margin: 0 0 1.8rem; font-size: clamp(4.8rem, 5vw, 6.7rem); line-height: 1.28; letter-spacing: .04em; text-shadow: 0 0 12px rgba(0, 94, 255, .65); }
.hero__product { display: inline-block; margin: 0 0 1.5rem; padding-bottom: .7rem; font-size: 2.6rem; font-weight: 700; border-bottom: 4px solid var(--orange); }
.hero__lead { margin: 0 0 .8rem; font-size: 1.9rem; font-weight: 700; line-height: 1.8; }
.hero__description { margin: 0 0 2.6rem; font-size: 1.6rem; line-height: 1.8; }
.hero__actions { display: flex; gap: 1.6rem; }
.button { min-width: 23rem; min-height: 5.6rem; display: inline-flex; align-items: center; justify-content: center; gap: 3rem; padding: 1rem 2rem; font-weight: 700; border: 1px solid transparent; border-radius: var(--radius); transition: background .2s, color .2s, transform .2s; }
.button span { margin-left: auto; font-size: 2.6rem; line-height: 1; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button--primary { background: var(--blue); }
.button--primary:hover, .button--primary:focus-visible { background: var(--blue-bright); }
.button--outline { border-color: var(--white); background: rgba(2, 15, 32, .4); }
.button--outline:hover, .button--outline:focus-visible { color: var(--navy); background: var(--white); }

.features { padding-block: 3.7rem; }
.features__list { display: grid; grid-template-columns: repeat(3, 1fr); }
.feature { min-width: 0; display: flex; align-items: center; gap: 2rem; padding: 0 3.6rem; border-right: 1px solid #aeb8c5; }
.feature:first-child { padding-left: 0; }
.feature:last-child { padding-right: 0; border-right: 0; }
.feature__icon { width: 5.6rem; flex: 0 0 5.6rem; color: var(--blue); line-height: 1; text-align: center; }
.feature__icon svg { width: 5.2rem; height: 5.2rem; overflow: visible; fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.feature__icon svg circle:first-child { fill: currentColor; stroke: none; }
.feature h2 { margin: 0 0 .2rem; font-size: 2rem; line-height: 1.4; }
.feature p { margin: 0; color: var(--muted); font-size: 1.6rem; line-height: 1.65; }

.system { background: linear-gradient(115deg, #f0f3f6, #fff); }
.system__inner { min-height: 40rem; display: grid; grid-template-columns: 30% 70%; align-items: center; overflow: hidden; }
.system__copy { z-index: 1; padding: 4rem 0 4rem 4rem; }
.system__copy p { max-width: 35rem; margin: 2.2rem 0 0; color: #334254; }
.system__image { width: 100%; height: 40rem; object-fit: cover; object-position: center; mix-blend-mode: multiply; }
.section-space { padding-top: 3rem; }
.section-title { position: relative; margin: 0 0 3rem; padding-bottom: 1.1rem; font-size: 3.1rem; line-height: 1.35; text-align: center; }
.section-title::after { content: ""; position: absolute; bottom: 0; left: 50%; width: 4rem; height: .4rem; background: var(--blue); transform: translateX(-50%); }
.section-title--left { margin-bottom: 0; text-align: left; }
.section-title--left::after { left: 0; background: var(--orange); transform: none; }

.parts__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; }
.part-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); background: var(--white); }
.part-card img { width: 100%; aspect-ratio: 1.25; object-fit: cover; }
.part-card__body { display: flex; min-height: 19.7rem; flex-direction: column; padding: 1.2rem 1.3rem 1.3rem; text-align: center; }
.part-card h3 { margin: 0; font-size: 1.7rem; line-height: 1.35; }
.part-card p { margin: .7rem 0 1.2rem; color: var(--muted); font-size: 1.6rem; line-height: 1.5; }
.part-card a { min-height: 4rem; display: flex; align-items: center; justify-content: center; margin-top: auto; color: var(--blue); font-weight: 700; border: 1px solid var(--blue-bright); border-radius: var(--radius); }
.part-card a span { position: absolute; margin-left: 13rem; font-size: 2.2rem; }
.part-card a:hover, .part-card a:focus-visible { color: var(--white); background: var(--blue); }

.sites { padding-block: 3rem 3.8rem; }
.sites__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.sites article { min-height: 7.4rem; display: flex; align-items: center; justify-content: center; gap: 1.4rem; padding: 1rem 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.sites img { width: 7rem; height: 4.8rem; object-fit: contain; image-rendering: auto; }
.sites h3 { margin: 0; font-size: 1.6rem; }

.contact { color: var(--white); background: linear-gradient(90deg, rgba(0, 60, 143, .96), rgba(0, 84, 178, .92)), url("../images/01.webp") center/cover; }
.contact__inner { min-height: 14rem; display: flex; align-items: center; gap: 2.8rem; }
.contact__icon { width: 7.5rem; height: 7.5rem; flex: 0 0 7.5rem; display: grid; place-items: center; font-size: 3.2rem; border: 1px solid rgba(255, 255, 255, .7); border-radius: 50%; }
.contact__copy { margin-right: auto; }
.contact h2 { margin: 0; font-size: 2.3rem; }
.contact p { margin: .4rem 0 0; font-size: 1.6rem; }
.button--orange { min-width: 27rem; color: var(--white); background: var(--orange); }
.button--orange:hover, .button--orange:focus-visible { background: #ff8b18; }

.site-footer { padding: 3rem 0 1.4rem; color: #d8e2ee; background: linear-gradient(115deg, #071d3b, var(--navy-dark)); }
.site-footer__inner { display: grid; grid-template-columns: 1fr 1.45fr 1.25fr; gap: 4rem; }
.brand--footer { color: var(--white); font-size: 2.2rem; }
.site-footer__brand p, .site-footer address { margin: .7rem 0 0; font-size: 1.6rem; line-height: 1.8; font-style: normal; }
.footer-nav { display: grid; grid-template-columns: 1fr 1fr; }
.footer-nav > div { display: flex; flex-direction: column; padding-left: 4rem; border-left: 1px solid rgba(255, 255, 255, .35); }
.footer-nav h2 { margin: 0 0 .4rem; color: var(--white); font-size: 1.6rem; }
.footer-nav a { font-size: 1.6rem; }
.footer-nav a:hover, .footer-nav a:focus-visible { color: var(--white); text-decoration: underline; }
.site-footer address strong { color: var(--white); }
.copyright { margin: 2rem 0 0; font-size: 1.6rem; text-align: center; }

@media (max-width: 900px) {
  section { scroll-margin-top: 6.4rem; }
  .global-nav { gap: 2rem; }
  .global-nav__contact { padding-inline: 1.5rem; }
  .features__list { gap: 0; }
  .feature { padding-inline: 1.5rem; }
  .feature__icon { flex-basis: 4rem; width: 4rem; font-size: 4rem; }
  .parts__grid { grid-template-columns: repeat(3, 1fr); }
  .sites__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__inner { padding-block: 2rem; }
  .contact__icon { display: none; }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer address { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .site-header { position: sticky; z-index: 50; top: 0; height: 6.4rem; box-shadow: 0 1px 8px rgba(4, 21, 43, .1); }
  .brand { font-size: 2.2rem; }
  .menu-button { width: 4.4rem; height: 4.4rem; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .55rem; padding: 0; border: 0; background: transparent; }
  .menu-button span { width: 2.7rem; height: .3rem; background: var(--navy); transition: transform .2s, opacity .2s; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(.85rem) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-.85rem) rotate(-45deg); }
  .global-nav { position: absolute; top: 100%; left: 0; width: 100%; height: auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 1rem 4% 2rem; background: var(--white); box-shadow: 0 8px 14px rgba(4, 21, 43, .15); }
  .global-nav.is-open { display: flex; }
  .global-nav a { padding: 1.3rem 1rem; border-bottom: 1px solid var(--line); }
  .global-nav__contact { margin: 1rem 0 0; text-align: center; border: 0 !important; }
  .hero { min-height: 49rem; background-position: 57% center; }
  .hero__inner { padding-block: 2.6rem 2.3rem; }
  .hero h1 { margin-bottom: 1.3rem; font-size: clamp(3.6rem, 10.5vw, 4.4rem); }
  .hero__product { margin-bottom: 1rem; font-size: 2.2rem; }
  .hero__lead { font-size: 1.6rem; line-height: 1.65; }
  .hero__description { font-size: 1.6rem; }
  .hero__actions { gap: 1rem; }
  .hero__actions .button { min-width: 0; width: calc((100% - 1rem) / 2); min-height: 5rem; gap: .6rem; padding-inline: 1.2rem; font-size: 1.6rem; }
  .features { padding-block: .8rem; }
  .features__list { grid-template-columns: 1fr; }
  .feature { padding: 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature:last-child { border-bottom: 0; }
  .feature__icon { flex-basis: 5rem; width: 5rem; font-size: 4.5rem; }
  .feature h2 { font-size: 1.8rem; }
  .feature p { font-size: 1.6rem; }
  .system__inner { width: 100%; grid-template-columns: 1fr; }
  .system__copy { width: 92%; margin: 0 auto; padding: 2.5rem 0; }
  .system__copy p { max-width: 25rem; margin-top: 1.4rem; font-size: 1.6rem; line-height: 1.65; }
  .system__image { height: 24rem; margin-top: 0; object-position: center; }
  .section-title { margin-bottom: 1.6rem; font-size: 2.2rem; }
  .section-title--left { font-size: 2.5rem; }
  .section-space { padding-top: 1.4rem; }
  .parts__grid { display: flex; flex-direction: column; gap: .7rem; }
  .part-card { display: grid; grid-template-columns: 21% 79%; box-shadow: 0 2px 8px rgba(15, 35, 58, .1); }
  .part-card img { width: 100%; height: 100%; min-height: 8.6rem; aspect-ratio: auto; }
  .part-card__body { min-height: 8.6rem; display: grid; grid-template-columns: 1fr 13rem; grid-template-rows: auto auto; gap: 0 .8rem; padding: .8rem 1rem; text-align: left; }
  .part-card h3 { font-size: 1.6rem; }
  .part-card p { margin: .2rem 0 0; font-size: 1.6rem; line-height: 1.4; }
  .part-card a { grid-column: 2; grid-row: 1 / 3; min-height: 3.8rem; align-self: center; font-size: 1.6rem; }
  .part-card a span { position: static; margin-left: 1.5rem; }
  .sites { padding-block: 1.8rem 2.5rem; }
  .sites__grid { grid-template-columns: repeat(4, 1fr); gap: .6rem; }
  .sites article { min-height: 7rem; flex-direction: column; gap: .2rem; padding: .5rem .2rem; text-align: center; }
  .sites img { width: 4rem; height: 3.5rem; }
  .sites h3 { font-size: 1.6rem; line-height: 1.3; }
  .contact__inner { display: grid; grid-template-columns: 1fr auto; gap: .8rem 1rem; padding-block: 1.8rem; }
  .contact h2 { font-size: 1.7rem; line-height: 1.5; }
  .contact p { font-size: 1.6rem; }
  .button--orange { grid-column: 2; grid-row: 1 / 3; width: 17rem; }
  .site-footer { padding-top: 2rem; }
  .site-footer__inner { grid-template-columns: 1fr 1.65fr; gap: 1.5rem; }
  .site-footer__brand p { font-size: 1.6rem; }
  .footer-nav > div { padding-left: 1.5rem; }
  .footer-nav a, .site-footer address { font-size: 1.6rem; }
  .copyright { font-size: 1.6rem; }
}

@media (max-width: 430px) {
  .hero { min-height: 51rem; }
  .hero__description br { display: none; }
  .part-card { grid-template-columns: 24% 76%; }
  .part-card__body { grid-template-columns: 1fr 11.5rem; }
  .contact__inner { display: flex; flex-direction: column; align-items: stretch; }
  .button--orange { width: 100%; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .footer-nav { order: 2; }
  .site-footer address { order: 3; }
}

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