:root {
  --white: #ffffff;
  --ink: #081727;
  --muted: #536272;
  --line: #d5dde5;
  --pale: #edf2f6;
  --navy: #061a2b;
  --content-width: 1240px;
  --page-gutter: clamp(24px, 5.5vw, 88px);
  --header-height: 84px;
  --sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); scrollbar-gutter: stable; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--sans); font-size: 15px; font-weight: 500; line-height: 1.9; -webkit-font-smoothing: antialiased; }
body.has-dialog { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
button, a, summary { touch-action: manipulation; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button:not(:disabled), a { cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 2px solid #4186ba; outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; }
p, h1, h2, h3, dl, dd { margin: 0; }
address { font-style: normal; }
.svg-definitions { position: absolute; width: 0; height: 0; overflow: hidden; pointer-events: none; }
.icon { width: 23px; height: 23px; flex: 0 0 23px; }
.container { width: min(var(--content-width), calc(100% - var(--page-gutter) * 2)); margin-inline: auto; }
.section-anchor { scroll-margin-top: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 20px; color: var(--white); background: var(--ink); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 30; height: var(--header-height); background: var(--white); border-bottom: 1px solid #eef1f4; }
.header-inner { width: min(1360px, calc(100% - var(--page-gutter) * 2)); height: 100%; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.site-brand { display: block; flex: 0 0 auto; width: 184px; }
.site-navigation { display: flex; align-items: center; gap: clamp(20px, 2.2vw, 34px); }
.site-navigation > a { position: relative; font-size: 13px; font-weight: 700; letter-spacing: .035em; white-space: nowrap; transition: opacity .2s; }
.site-navigation > a:not(.header-contact)::after { position: absolute; left: 0; right: 0; bottom: -7px; height: 1px; background: currentColor; content: ""; transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.site-navigation > a:hover::after { transform: scaleX(1); }
.header-contact { display: flex; align-items: center; justify-content: center; gap: 18px; min-height: 44px; padding: 8px 22px; background: var(--ink); color: var(--white); }
.header-contact .icon { width: 18px; height: 18px; flex-basis: 18px; }
.header-contact:hover { opacity: .82; }
.menu-toggle { display: none; }
.hero { position: relative; display: grid; place-items: center; min-height: 560px; height: min(740px, calc(100svh - 120px)); isolation: isolate; overflow: hidden; background: var(--navy); color: var(--white); }
.hero-image { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; object-fit: cover; object-position: center 43%; }
.hero-content { width: 100%; max-width: 1240px; padding: 56px 24px 98px; text-align: center; animation: arrive 1s ease-out both; }
.hero-wordmark { width: clamp(210px, 23vw, 320px); margin: 0 auto 26px; }
.hero h1 { font-family: var(--serif); font-size: clamp(36px, 4.2vw, 64px); font-weight: 500; line-height: 1.6; letter-spacing: .07em; text-wrap: balance; }
.hero-description { margin-top: 24px; font-size: clamp(13px, 1.13vw, 16px); font-weight: 500; line-height: 2.05; letter-spacing: .065em; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 30px; min-height: 52px; padding: 13px 26px; border: 1px solid transparent; font-family: var(--sans); font-size: 13px; font-weight: 700; line-height: 1.65; letter-spacing: .045em; transition: color .2s, background-color .2s, border-color .2s; }
.button .icon, .text-link .icon { transition: transform .2s; }
.button:hover .icon, .text-link:hover .icon { transform: translateX(4px); }
.button-outline { color: var(--white); border-color: #ffffffaa; }
.button-outline:hover { background: var(--white); border-color: var(--white); color: var(--ink); }
.hero .button { margin-top: 32px; min-width: 252px; }
.button-solid { background: var(--ink); color: var(--white); }
.button-solid:hover { background: #254159; border-color: #254159; }
.scroll-cue { position: absolute; bottom: 0; left: 50%; display: flex; align-items: center; flex-direction: column; gap: 14px; transform: translateX(-50%); }
.scroll-cue span { font-family: "Segoe UI", sans-serif; font-size: 10px; font-weight: 500; line-height: 1; letter-spacing: .2em; }
.scroll-cue i { width: 1px; height: 44px; background: #ffffff80; }
.about { padding: 104px 0 80px; }
.about-grid { display: grid; grid-template-columns: .95fr 1.05fr; align-items: start; gap: 80px; }
.section-label { margin-bottom: 14px; font-family: "Segoe UI", var(--sans); font-size: 11px; font-weight: 600; line-height: 1.5; letter-spacing: .19em; }
.display-heading { font-family: var(--serif); font-size: clamp(30px, 3vw, 42px); font-weight: 500; line-height: 1.65; letter-spacing: .06em; }
.about-copy { padding-top: 7px; color: #354454; font-size: 14px; line-height: 2.15; letter-spacing: .025em; }
.about-copy p + p { margin-top: 18px; }
.brand-values { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: 52px; padding-top: 26px; border-top: 1px solid #aebdca; }
.brand-values > div { padding: 0 12px; text-align: center; }
.brand-values > div + div { border-left: 1px solid var(--line); }
.brand-values dt { font-family: Georgia, "Times New Roman", serif; font-size: 16px; font-weight: 400; line-height: 1.5; letter-spacing: .02em; }
.brand-values dd { margin-top: 7px; color: var(--muted); font-size: 10px; line-height: 1.6; letter-spacing: .1em; }
.services { padding: 22px 0 104px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 36px; }
.section-heading h2 { font-family: var(--serif); font-size: 32px; font-weight: 500; line-height: 1.6; letter-spacing: .07em; }
.section-heading .section-label { margin-bottom: 8px; }
.section-introduction { max-width: 590px; padding-bottom: 5px; color: var(--muted); font-size: 13px; line-height: 1.95; letter-spacing: .025em; }
.editorial-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.service-item, .product-item { min-width: 0; display: flex; flex-direction: column; align-items: start; }
.media-frame { width: 100%; overflow: hidden; background: #172b3f; aspect-ratio: 8 / 5; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s ease; }
.service-item:hover .media-frame img, .product-item:hover .media-frame img { transform: scale(1.025); }
.service-item h3, .product-item h3 { font-size: 19px; font-weight: 700; line-height: 1.6; letter-spacing: .025em; }
.service-item h3 { margin: 22px 0 12px; }
.service-item > p, .product-item > p { flex: 1; font-size: 14px; line-height: 1.95; letter-spacing: .02em; }
.service-item > p { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; justify-content: start; gap: 20px; min-height: 44px; margin-top: 14px; padding: 6px 0; border: 0; border-bottom: 1px solid transparent; background: transparent; font-size: 12px; font-weight: 700; line-height: 1.7; letter-spacing: .08em; }
.text-link:hover { border-bottom-color: currentColor; }
.text-link .icon { width: 21px; height: 21px; flex-basis: 21px; }
.products { padding: 88px 0 92px; background: var(--navy); color: var(--white); }
.products .section-label { color: #adc1d1; }
.products-heading { margin-bottom: 38px; }
.products-heading h2 { font-size: clamp(30px, 3vw, 40px); }
.products .section-introduction { max-width: 455px; color: #c8d3dd; }
.product-title { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; min-height: 34px; margin: 20px 0 10px; }
.product-title h3 { font-weight: 600; }
.product-title h3[lang="en"] { font-family: "Segoe UI", var(--sans); font-size: 21px; letter-spacing: .005em; }
.product-item > p { color: #c8d3dd; }
.development-status { display: inline-block; padding: 2px 7px; border: 1px solid #8fa5b9; color: #d9e4ed; font-size: 10px; font-weight: 500; line-height: 1.65; letter-spacing: .03em; white-space: nowrap; }
.development-status-dark { margin-bottom: 20px; border-color: #8a9aa7; color: var(--muted); }
.products .text-link { color: var(--white); }
.mobile-break { display: none; }
.company-grid { display: grid; grid-template-columns: 1fr 1fr; }
.company-body { padding: 68px 64px 72px max(var(--page-gutter), calc((100vw - var(--content-width)) / 2)); }
.company-body h2 { font-family: var(--serif); font-size: 30px; font-weight: 500; line-height: 1.65; letter-spacing: .04em; }
.company-name { margin-top: 24px; margin-bottom: 20px; font-size: 20px; font-weight: 700; }
.company-information { display: grid; gap: 13px; }
.company-information > div { display: grid; grid-template-columns: 75px 1fr; gap: 16px; }
.company-information dt { padding-top: 1px; color: var(--muted); font-size: 11px; font-weight: 500; }
.company-information dd { font-size: 13px; line-height: 1.8; }
.company-history { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.company-history h3 { font-size: 14px; font-weight: 700; line-height: 1.7; letter-spacing: .04em; }
.history-list { display: grid; gap: 14px; margin: 16px 0 0; padding: 0; list-style: none; }
.history-list li { display: grid; grid-template-columns: 82px minmax(0, 1fr); gap: 16px; font-size: 12px; line-height: 1.85; }
.history-list time { color: var(--muted); font-family: "Segoe UI", var(--sans); font-size: 11px; }
.contact-panel { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 68px max(var(--page-gutter), calc((100vw - var(--content-width)) / 2)) 72px 64px; background: var(--pale); }
.contact-panel .display-heading { font-size: clamp(29px, 2.5vw, 36px); line-height: 1.7; }
.contact-description { margin-top: 18px; color: var(--muted); font-size: 12px; line-height: 2; }
.contact-panel .button { margin-top: 26px; }
.site-footer { padding: 52px 0 30px; background: var(--navy); color: var(--white); text-align: center; }
.footer-brand { display: block; width: 178px; margin: 0 auto 26px; }
.footer-navigation { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 30px; }
.footer-navigation a { font-size: 11px; font-weight: 500; line-height: 1.8; letter-spacing: .025em; }
.footer-navigation a:hover { text-decoration: underline; text-underline-offset: 5px; }
.visual-note { margin-top: 25px; color: #9fb0bd; font-size: 10px; line-height: 1.8; }
.copyright { display: block; margin-top: 6px; color: #b6c3cd; font-size: 10px; line-height: 1.8; letter-spacing: .025em; }
.noscript-note { padding: 20px var(--page-gutter); color: var(--muted); font-size: 13px; }
.detail-dialog { width: min(760px, calc(100% - 32px)); max-width: none; max-height: calc(100svh - 48px); margin: auto; padding: 0; border: 0; overflow: visible; color: var(--ink); background: var(--white); box-shadow: 0 24px 96px #0000004d; }
.detail-dialog::backdrop { background: #000d1bc4; backdrop-filter: blur(3px); }
.detail-dialog[open] { animation: arrive .24s ease-out; }
.dialog-content { max-height: calc(100svh - 48px); overflow-y: auto; overscroll-behavior: contain; }
.dialog-close { position: absolute; top: 14px; right: 14px; z-index: 2; display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid #ffffffa6; background: #fffffff2; }
.dialog-close:hover { background: var(--pale); }
.dialog-image { width: 100%; height: clamp(180px, 29svh, 270px); object-fit: cover; }
.dialog-body { padding: 32px 40px 40px; }
.dialog-body h2 { margin-bottom: 20px; font-family: var(--serif); font-size: clamp(24px, 3vw, 32px); font-weight: 500; line-height: 1.6; letter-spacing: .015em; overflow-wrap: anywhere; }
.dialog-body > p:not(.section-label) { color: var(--muted); font-size: 14px; line-height: 2; }
.detail-list { margin: 24px 0; padding: 22px 0 22px 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 13px; line-height: 2; }
.detail-list li + li { margin-top: 7px; }
.dialog-body > .detail-note { margin-bottom: 22px; font-size: 11px; line-height: 1.9; }
.dialog-body .button { max-width: 100%; }
@keyframes arrive { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@media (min-width: 1700px) { .hero { height: 780px; } }
@media (max-width: 1100px) {
  .editorial-grid { gap: 24px; }
  .about-grid { gap: 48px; }
  .service-item h3, .product-item h3 { font-size: 17px; }
  .product-title h3[lang="en"] { font-size: 19px; }
  .section-heading { gap: 32px; }
  .products .section-introduction { max-width: 340px; }
  .company-body { padding-right: 36px; }
  .contact-panel { padding-left: 36px; }
}
@media (max-width: 960px) {
  :root { --header-height: 72px; }
  .site-brand { width: 168px; }
  .header-inner { gap: 16px; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-width: 44px; min-height: 44px; padding: 6px 0 6px 8px; border: 0; background: transparent; }
  .menu-label { font-size: 10px; font-weight: 600; letter-spacing: .06em; }
  .menu-lines { position: relative; display: block; width: 25px; height: 16px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; transition: border-color .2s; }
  .menu-lines::before, .menu-lines::after { position: absolute; top: 7px; left: 0; width: 25px; height: 1px; background: currentColor; content: ""; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] .menu-lines { border-color: transparent; }
  .menu-toggle[aria-expanded="true"] .menu-lines::before { transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-lines::after { transform: rotate(-45deg); }
  .site-navigation { position: absolute; top: 100%; left: 0; right: 0; display: none; align-items: stretch; gap: 0; max-height: calc(100svh - var(--header-height)); padding: 10px var(--page-gutter) 28px; overflow-y: auto; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: 0 18px 28px #061a2b0d; }
  .site-navigation.is-open { display: flex; flex-direction: column; }
  .site-navigation > a { min-height: 50px; padding-block: 13px; font-size: 13px; }
  .site-navigation > a:not(.header-contact) { border-bottom: 1px solid #edf0f3; }
  .site-navigation > a:not(.header-contact)::after { display: none; }
  .site-navigation .header-contact { margin-top: 18px; }
  .hero { min-height: 520px; }
  .hero h1 { font-size: clamp(34px, 4.8vw, 46px); }
  .about { padding-top: 80px; padding-bottom: 60px; }
  .display-heading { font-size: 32px; }
  .about-copy { font-size: 13px; }
  .brand-values dt { font-size: 14px; }
  .products-heading { align-items: start; }
  .products-heading h2 { font-size: 32px; }
}
@media (max-width: 760px) {
  :root { --page-gutter: 24px; --header-height: 68px; }
  body { font-size: 14px; }
  .site-brand { width: 152px; }
  .hero { min-height: 570px; height: calc(100svh - var(--header-height) - 20px); max-height: 760px; }
  .hero-image { object-position: center; }
  .hero-content { padding: 42px 24px 90px; }
  .hero-wordmark { width: 220px; margin-bottom: 28px; }
  .hero h1 { font-size: clamp(32px, 8vw, 43px); line-height: 1.7; letter-spacing: .08em; }
  .hero h1 span { display: block; }
  .hero-description { max-width: 370px; margin: 23px auto 0; font-size: 12px; line-height: 2.1; letter-spacing: .02em; }
  .hero .button { margin-top: 28px; min-width: 236px; }
  .desktop-break { display: none; }
  .mobile-break { display: initial; }
  .about { padding: 64px 0 54px; }
  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .section-label { font-size: 10px; }
  .display-heading { font-size: 32px; line-height: 1.65; }
  .about-copy { padding-top: 0; font-size: 13px; line-height: 2.1; }
  .brand-values { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 24px; margin-top: 32px; padding-top: 24px; }
  .brand-values > div { padding-inline: 12px; }
  .brand-values > div:nth-child(odd) { border-left: 0; }
  .brand-values > div:last-child { grid-column: 1 / -1; }
  .brand-values dt { font-size: 15px; }
  .brand-values dd { margin-top: 3px; }
  .services { padding: 14px 0 64px; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-heading h2 { font-size: 28px; }
  .section-introduction { margin-top: 16px; padding-bottom: 0; font-size: 12px; }
  .editorial-grid { grid-template-columns: 1fr; gap: 42px; }
  .media-frame { aspect-ratio: 8 / 5; }
  .service-item h3, .product-item h3 { font-size: 19px; }
  .service-item h3 { margin-top: 18px; margin-bottom: 10px; }
  .service-item > p, .product-item > p { font-size: 13px; line-height: 1.95; }
  .text-link { margin-top: 10px; font-size: 12px; }
  .products { padding: 62px 0 66px; }
  .products-heading { margin-bottom: 30px; }
  .products-heading h2 { font-size: 32px; line-height: 1.65; }
  .products .section-introduction { max-width: none; }
  .product-title { margin-top: 18px; margin-bottom: 10px; }
  .product-title h3[lang="en"] { font-size: 21px; }
  .company-grid { grid-template-columns: 1fr; }
  .company-body, .contact-panel { padding: 52px var(--page-gutter) 56px; }
  .company-body h2 { font-size: 28px; }
  .company-name { margin-top: 22px; font-size: 20px; }
  .company-information { gap: 16px; }
  .company-information > div { grid-template-columns: 72px 1fr; gap: 18px; }
  .contact-panel .display-heading { font-size: 32px; }
  .contact-description { max-width: 380px; font-size: 12px; }
  .contact-panel .button { margin-top: 24px; }
  .site-footer { padding-top: 42px; padding-bottom: 26px; }
  .footer-brand { width: 166px; margin-bottom: 24px; }
  .footer-navigation { gap: 16px 22px; max-width: 340px; margin-inline: auto; }
  .footer-navigation a { font-size: 10px; }
  .visual-note { margin-top: 24px; }
  .dialog-body { padding: 26px 24px 32px; }
  .dialog-body h2 { font-size: 25px; }
  .dialog-body > p:not(.section-label) { font-size: 13px; }
  .dialog-body .button { width: 100%; gap: 18px; padding-inline: 16px; font-size: 12px; }
  .detail-list { font-size: 12px; }
}
@media (max-width: 359px) {
  :root { --page-gutter: 20px; }
  .menu-label { display: none; }
  .hero h1 { font-size: 30px; letter-spacing: .04em; }
  .hero-description { font-size: 11px; }
  .display-heading, .contact-panel .display-heading { font-size: 28px; }
  .product-title h3 { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}