:root {
    --eng-navy: #102f44;
    --eng-blue: #07507f;
    --eng-teal: #2aa4b3;
    --eng-ink: #222;
    --eng-muted: #68757e;
    --eng-line: #dfe5e8;
    --eng-soft: #f4f7f8;
    --eng-white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.eng-page {
    margin: 0;
    color: var(--eng-ink);
    background: var(--eng-white);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.eng-page img { max-width: 100%; }
.eng-page a { color: inherit; }
.eng-shell { width: min(1280px, calc(100% - 48px)); margin: 0 auto; }
.eng-skip { position: fixed; top: -80px; left: 16px; z-index: 9999; padding: 12px 16px; background: #000; color: #fff; }
.eng-skip:focus { top: 12px; }

.eng-header { position: relative; z-index: 20; background: #fff; border-bottom: 1px solid #e5e5e5; }
.eng-header__top { position: relative; width: min(1400px, calc(100% - 48px)); height: 112px; margin: 0 auto; }
.eng-brand { position: absolute; top: 23px; left: 50%; width: 283px; transform: translateX(-50%); }
.eng-brand img { display: block; width: 100%; }
.eng-language { position: absolute; top: 59px; right: 0; color: #07507f; font-size: 14px; font-weight: 700; letter-spacing: .08em; text-decoration: none; }
.eng-language:hover, .eng-language:focus { text-decoration: underline; }
.eng-nav { display: flex; justify-content: center; gap: 64px; height: 50px; border-top: 1px solid #e5e5e5; }
.eng-nav a { position: relative; color: #2d2d2d; font-size: 17px; font-weight: 500; line-height: 50px; text-decoration: none; }
.eng-nav a::after { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: #21707a; content: ''; transform: scaleX(0); transition: transform .25s ease; }
.eng-nav a:hover::after, .eng-nav a:focus::after { transform: scaleX(1); }

.eng-hero { position: relative; min-height: 620px; display: flex; align-items: center; overflow: hidden; background: #102f44 url('../images/MainVisual/bg4.jpg') center center / cover no-repeat; }
.eng-hero::before { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8, 35, 57, .92) 0%, rgba(8, 35, 57, .78) 42%, rgba(8, 35, 57, .16) 75%, rgba(8, 35, 57, .05) 100%); content: ''; }
.eng-hero__content { position: relative; z-index: 1; padding: 96px 0; color: #fff; }
.eng-kicker { margin: 0 0 16px; color: #8ed7df; font-size: 12px; font-weight: 700; letter-spacing: .17em; }
.eng-kicker--dark { color: #197d8c; }
.eng-hero h1 { max-width: 700px; margin: 0; font-size: clamp(48px, 6vw, 78px); font-weight: 600; line-height: 1.08; letter-spacing: -.055em; }
.eng-hero__lead { max-width: 650px; margin: 25px 0 0; color: rgba(255, 255, 255, .88); font-size: 20px; line-height: 1.7; }
.eng-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.eng-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1px solid transparent; font-size: 14px; font-weight: 700; letter-spacing: -.01em; text-decoration: none; transition: .25s ease; }
.eng-button--primary { background: #2aa4b3; color: #fff; }
.eng-button--primary:hover, .eng-button--primary:focus { background: #217f8b; }
.eng-button--light { border-color: rgba(255, 255, 255, .7); background: rgba(255, 255, 255, .08); color: #fff; }
.eng-button--light:hover, .eng-button--light:focus { background: #fff; color: var(--eng-navy); }
.eng-button--outline { border-color: #bfcbd0; background: #fff; color: var(--eng-navy); }
.eng-button--outline:hover, .eng-button--outline:focus { border-color: var(--eng-blue); color: var(--eng-blue); }

.eng-facts { background: #fff; border-bottom: 1px solid var(--eng-line); }
.eng-facts__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.eng-facts article { min-height: 132px; display: flex; flex-direction: column; justify-content: center; padding: 25px 30px; border-right: 1px dotted #c9d1d5; }
.eng-facts article:last-child { border-right: 0; }
.eng-facts strong { color: var(--eng-navy); font-size: 24px; font-weight: 600; line-height: 1.25; }
.eng-facts span { margin-top: 7px; color: var(--eng-muted); font-size: 13px; }

.eng-section { padding: 110px 0; }
.eng-about__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.eng-about h2, .eng-section__head h2 { margin: 0; color: var(--eng-navy); font-size: clamp(34px, 4vw, 48px); font-weight: 600; line-height: 1.25; letter-spacing: -.045em; }
.eng-about__copy { padding-top: 28px; border-top: 2px solid var(--eng-navy); }
.eng-about__copy p { margin: 0 0 18px; color: #4f5d65; font-size: 17px; line-height: 1.85; }

.eng-services { background: var(--eng-soft); }
.eng-section__head { max-width: 790px; margin-bottom: 45px; }
.eng-section__head > p:last-child { margin: 18px 0 0; color: var(--eng-muted); font-size: 17px; line-height: 1.75; }
.eng-service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.eng-service-card { overflow: hidden; background: #fff; border-bottom: 3px solid transparent; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.eng-service-card:hover { border-bottom-color: var(--eng-teal); box-shadow: 0 18px 35px rgba(27, 62, 81, .12); transform: translateY(-4px); }
.eng-service-card > img { display: block; width: 100%; aspect-ratio: 1.45 / 1; object-fit: cover; }
.eng-service-card > div { padding: 24px 26px 27px; }
.eng-service-card span { color: var(--eng-teal); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.eng-service-card h3 { margin: 7px 0 9px; color: var(--eng-navy); font-size: 21px; font-weight: 600; line-height: 1.35; }
.eng-service-card p { margin: 0; color: var(--eng-muted); font-size: 14px; line-height: 1.7; }

.eng-advantages { padding: 105px 0; color: #fff; background: var(--eng-navy); }
.eng-section__head--light h2 { color: #fff; }
.eng-advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255, 255, 255, .23); border-bottom: 1px solid rgba(255, 255, 255, .23); }
.eng-advantage-grid article { min-height: 255px; padding: 34px 28px; border-right: 1px solid rgba(255, 255, 255, .18); }
.eng-advantage-grid article:last-child { border-right: 0; }
.eng-advantage-grid span { color: #62c2cc; font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.eng-advantage-grid h3 { margin: 28px 0 12px; font-size: 20px; font-weight: 600; line-height: 1.4; }
.eng-advantage-grid p { margin: 0; color: rgba(255, 255, 255, .7); font-size: 14px; line-height: 1.75; }

.eng-visit__grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 55px; align-items: stretch; }
.eng-map { position: relative; display: block; overflow: hidden; background: #eee; text-decoration: none; }
.eng-map img { display: block; width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.eng-map span { position: absolute; right: 0; bottom: 0; padding: 15px 22px; background: var(--eng-navy); color: #fff; font-size: 13px; font-weight: 700; }
.eng-visit__details { padding: 28px 0 0; border-top: 2px solid var(--eng-navy); }
.eng-visit__details dl { margin: 0; }
.eng-visit__details dl > div { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--eng-line); }
.eng-visit__details dt { color: var(--eng-navy); font-size: 13px; font-weight: 700; }
.eng-visit__details dd { margin: 0; color: #4f5d65; font-size: 14px; line-height: 1.65; }
.eng-visit__details small { color: #8b9499; }
.eng-actions--dark { margin-top: 26px; }

.eng-faq { padding-top: 40px; background: #fff; }
.eng-faq__grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 2px solid var(--eng-navy); }
.eng-faq__grid article { padding: 28px 30px; border-right: 1px solid var(--eng-line); border-bottom: 1px solid var(--eng-line); }
.eng-faq__grid article:nth-child(even) { border-right: 0; }
.eng-faq__grid h3 { margin: 0 0 11px; color: var(--eng-navy); font-size: 18px; font-weight: 600; }
.eng-faq__grid p { margin: 0; color: var(--eng-muted); font-size: 14px; line-height: 1.75; }
.eng-faq__grid a { color: var(--eng-blue); font-weight: 600; }
.eng-disclaimer { margin: 20px 0 0; color: #899399; font-size: 12px; text-align: center; }

.eng-footer { padding: 42px 0; color: #737e84; background: #eff1f2; border-top: 1px solid #d7dcde; }
.eng-footer__inner { text-align: center; }
.eng-footer img { width: 205px; opacity: .72; }
.eng-footer p { margin: 10px 0 0; font-size: 12px; }

@media (max-width: 960px) {
    .eng-nav { gap: 34px; }
    .eng-facts__grid { grid-template-columns: repeat(2, 1fr); }
    .eng-facts article:nth-child(2) { border-right: 0; }
    .eng-facts article:nth-child(-n+2) { border-bottom: 1px dotted #c9d1d5; }
    .eng-about__grid { grid-template-columns: 1fr; gap: 38px; }
    .eng-service-grid { grid-template-columns: repeat(2, 1fr); }
    .eng-advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .eng-advantage-grid article:nth-child(2) { border-right: 0; }
    .eng-advantage-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .18); }
    .eng-visit__grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .eng-shell { width: calc(100% - 36px); }
    .eng-header__top { width: calc(100% - 32px); height: 72px; }
    .eng-brand { top: 18px; left: 0; width: 170px; transform: none; }
    .eng-language { top: 25px; }
    .eng-nav { justify-content: flex-start; gap: 26px; height: 44px; padding: 0 18px; overflow-x: auto; white-space: nowrap; }
    .eng-nav a { font-size: 13px; line-height: 44px; }
    .eng-hero { min-height: 560px; background-position: 62% center; }
    .eng-hero::before { background: rgba(8, 35, 57, .78); }
    .eng-hero__content { padding: 76px 0; }
    .eng-hero h1 { font-size: 48px; }
    .eng-hero__lead { font-size: 17px; }
    .eng-actions { display: grid; }
    .eng-button { width: 100%; }
    .eng-facts__grid { grid-template-columns: 1fr; }
    .eng-facts article, .eng-facts article:nth-child(2) { min-height: 104px; border-right: 0; border-bottom: 1px dotted #c9d1d5; }
    .eng-section { padding: 76px 0; }
    .eng-about h2, .eng-section__head h2 { font-size: 34px; }
    .eng-about__copy p, .eng-section__head > p:last-child { font-size: 15px; }
    .eng-service-grid, .eng-advantage-grid, .eng-faq__grid { grid-template-columns: 1fr; }
    .eng-service-card > img { aspect-ratio: 1.5 / 1; }
    .eng-advantage-grid article, .eng-advantage-grid article:nth-child(2) { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .18); }
    .eng-advantage-grid article:last-child { border-bottom: 0; }
    .eng-map img { min-height: 270px; }
    .eng-visit__details dl > div { grid-template-columns: 92px 1fr; }
    .eng-faq__grid article, .eng-faq__grid article:nth-child(even) { padding: 24px 4px; border-right: 0; }
}
