:root{--ink:#162738;--blue:#2469db;--muted:#536477;--line:#dce4ed;--paper:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans JP","BIZ UDPGothic","Meiryo",sans-serif;font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,summary,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:7px}.skip{position:fixed;left:20px;top:-100px;background:white;padding:12px;z-index:30}.skip:focus{top:10px}.wrap{width:min(1180px,86%);margin-inline:auto}.header{width:100%;padding:0 5%;height:100px;display:flex;align-items:center;justify-content:space-between;background:#fffffff5;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:18px}.brand 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29px;line-height:1.5}.contact-arrow{font-family:Arial,sans-serif;color:var(--blue);font-size:1.5em;font-weight:400;transition:transform .2s}.contact-link:hover .contact-arrow{transform:translate(5px,-5px)}.contact-link:hover{color:var(--blue)}.contact-bottom{display:flex;gap:35px;font-family:Arial,sans-serif;font-size:14px;color:var(--muted)}.contact-bottom a:hover{color:var(--blue)}footer{border-top:1px solid var(--line);padding-block:25px 30px;display:flex;justify-content:space-between;align-items:center;gap:25px}footer .footer-logo{font-family:Arial,sans-serif;font-size:27px;letter-spacing:-1.5px;font-weight:800}.footer-logo span{color:var(--blue)}footer small{font-family:Arial,sans-serif;font-size:10px;color:var(--muted)}footer>a:last-child{font:10px/1.5 Arial,sans-serif;letter-spacing:1px}@media(min-width:1600px){.hero{padding-top:85px}h1{font-size:96px}}@media(max-width:1050px) and (min-width:761px){.header{padding-inline:4%}.header nav{gap:17px;font-size:12px}.brand{gap:12px}.brand img{width:82px}.brand strong{font-size:23px;padding-left:12px}.header nav span{display:none}.header .nav-contact{margin-left:0}.service-list article{grid-template-columns:30px 1fr 1.1fr;gap:20px}.service-title h3{font-size:24px}.company{gap:6%;grid-template-columns:1fr 2fr}}
@media(max-width:760px){html{scroll-padding-top:92px}.wrap{width:88%}.header{height:80px;padding-inline:6%}.brand img{width:80px;height:36px}.brand{gap:13px}.brand strong{font-size:23px;padding-left:13px}.header nav{display:none;position:absolute;left:0;right:0;top:80px;background:#fff;padding:25px 6% 30px;border-bottom:1px solid var(--line);font-size:15px;gap:20px}.header nav.open{display:flex;flex-direction:column;align-items:stretch}.header nav span{font-size:11px}.header .nav-contact{margin-left:0;align-self:flex-start}.menu{width:39px;height:39px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;border:1px solid var(--line);background:#fff;border-radius:0}.menu span{height:1px;width:17px;background:var(--ink);transition:transform .15s}.menu[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.hero{padding-top:38px}.kicker{font-size:9px;letter-spacing:1.1px}h1{font-size:clamp(35px,8.3vw,60px);letter-spacing:-1.8px;line-height:1.6;margin:30px 0}.hero-bottom{display:block;padding-bottom:30px}.hero-english{font-size:20px;margin:0 0 32px}.hero-description{width:100%;max-width:none}.hero-description p{font-size:15px;line-height:2}.text-link{width:100%;font-size:14px}.hero-index{gap:0;justify-content:space-between;flex-wrap:wrap;font-size:9px;line-height:1.6;padding:17px 0}.hero-index a{display:none}.section{padding-block:60px}.section-heading{display:block;margin-bottom:30px}.label{font-size:10px;letter-spacing:1.3px;margin:0 0 20px}h2{width:auto;font-size:28px;line-height:1.65}.service-list article{grid-template-columns:28px 1fr;gap:10px;padding-block:28px}.service-number{padding-top:4px}.service-title h3{font-size:25px}.service-title p{font-size:13px;margin-bottom:14px}.service-body{grid-column:2}.service-body p{font-size:15px}.service-body ul{font-size:12px;margin-top:14px}.development{margin-top:12px}summary{font-size:13px;gap:15px}.development-content{padding-left:0;font-size:14px}.development-content ul{grid-template-columns:1fr 1fr;font-size:13px;gap:10px 15px}.wide-photo img{height:220px}.wide-photo figcaption{font-size:13px}.wide-photo figcaption small{font-size:9px}.about-grid{grid-template-columns:1fr;gap:35px;margin-top:35px}.about-note p{margin:10px 0 15px;font-size:17px}.about-note small{font-size:9px}.about-copy>h3{font-size:20px}.about-copy p{font-size:15px}.about-copy details p{font-size:14px}.company{grid-template-columns:1fr;gap:30px}.company h2{margin-top:0}.company-name{margin:20px 0 0}.company dl>div{grid-template-columns:90px 1fr;gap:12px;font-size:13px;padding-block:17px}.company dd small{font-size:11px}.contact{padding-top:28px;padding-bottom:40px}.contact-top{display:block}.contact-top .label{margin-bottom:13px}.contact-top>p:last-child{font-size:12px}.contact-link{font-size:clamp(21px,5.2vw,36px);letter-spacing:-1px;gap:10px;padding:25px 0}.contact-arrow{font-size:1.6em}.contact-bottom{font-size:13px;flex-direction:column;gap:6px}footer{flex-wrap:wrap;gap:17px}footer .footer-logo{font-size:24px}footer small{order:3;width:100%;font-size:9px}footer>a:last-child{margin-left:auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Data & AI edition */
.brand{gap:12px}.brand img{width:41px;height:49px}.brand strong{font:700 25px/1 Arial,sans-serif;letter-spacing:1.3px;border:0;padding:0;color:#182e46}.brand small{display:block;font-size:8px;font-weight:500;letter-spacing:1.55px;margin-top:8px;color:#526b86}.header nav{gap:25px}.hero{padding-top:48px}.hero-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:5px;align-items:center;padding:30px 0 42px}.hero h1{font-size:clamp(33px,3.65vw,54px);line-height:1.65;letter-spacing:-1.8px;margin:0 0 23px;font-weight:700}.hero-subtitle{font-size:15px;color:var(--muted);line-height:2.05;margin:0 0 30px}.hero .text-link{max-width:330px;font-size:14px}.hero-art{margin:0;min-width:0}.hero-art img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}.hero-art figcaption{display:flex;gap:22px;justify-content:center;align-items:center;font:10px/1.5 Arial,sans-serif;letter-spacing:1.8px;margin-top:10px}.hero-art figcaption i{font-style:normal;font-size:16px;color:var(--blue)}.hero-index{font-size:9px;letter-spacing:.9px}.fusion{background:#f7fbff;border-block:1px solid #e5edf6;padding-block:70px}.fusion .section-heading>div{width:64%}.fusion h2{width:auto;font-size:34px}.section-intro{color:var(--muted);font-size:15px;line-height:2;margin:18px 0 0}.fusion-flow{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid #cad9eb;gap:25px}.fusion-flow button{font:inherit;text-align:left;appearance:none;border:0;border-bottom:2px solid transparent;padding:25px 22px 25px 0;background:transparent;position:relative;color:#52677e;cursor:pointer}.fusion-flow button[aria-selected=true]{border-bottom-color:var(--blue);color:var(--blue)}.fusion-flow button:hover{background:#eef6ff}.flow-number{font:11px/1.5 Arial,sans-serif;display:block;margin-bottom:13px}.flow-word{display:block;font:500 39px/1.1 Arial,sans-serif;letter-spacing:-1px}.flow-jp{display:block;font-size:13px;margin-top:13px;color:#435c77}.flow-arrow{position:absolute;right:12px;top:60px;font:27px/1 Arial,sans-serif;color:var(--blue)}.fusion-panels{padding-top:30px;max-width:760px;margin-left:auto;min-height:205px}.panel-label{font-size:10px;letter-spacing:1px;color:var(--blue)}.fusion-panels h3{font-size:21px;font-weight:500;margin:10px 0}.fusion-panels p{font-size:15px;color:var(--muted);line-height:2;margin:0}.wide-photo img{height:auto;aspect-ratio:1440/520;object-fit:contain;filter:none;background:#fff}.about{background:#fcfdff}
@media(max-width:1050px) and (min-width:761px){.header nav{gap:17px;font-size:11px}.brand img{width:35px;height:42px}.brand strong{font-size:23px}.hero h1{font-size:35px}.hero-subtitle{font-size:13px}.hero .text-link{font-size:13px}.hero-art figcaption{gap:15px;font-size:9px}.fusion-flow{gap:15px}}
@media(max-width:760px){.header nav{gap:20px;font-size:15px}.brand img{width:34px;height:41px}.brand strong{font-size:23px;padding:0;letter-spacing:1px}.brand small{font-size:7px;letter-spacing:1.3px;margin-top:7px}.hero{padding-top:30px}.kicker{font-size:8px;letter-spacing:1px}.hero-layout{grid-template-columns:1fr;padding:26px 0 22px;gap:24px}.hero h1{font-size:clamp(29px,7.7vw,47px);letter-spacing:-1.2px;line-height:1.65;margin-bottom:20px}.hero-subtitle{font-size:14px;margin-bottom:24px}.hero .text-link{max-width:none;font-size:13px}.hero-art img{max-height:310px}.hero-art figcaption{font-size:9px;margin-top:0}.hero-index{font-size:7px;letter-spacing:.3px;gap:10px}.fusion{padding-block:50px}.fusion .section-heading>div{width:auto}.fusion h2{font-size:27px}.section-intro{font-size:14px}.section-intro br{display:none}.fusion-flow{gap:10px}.fusion-flow button{padding:15px 2px 20px}.flow-number{font-size:10px;margin-bottom:12px}.flow-word{font-size:26px}.flow-jp{font-size:10px;margin-top:11px}.flow-arrow{position:static;display:block;font-size:20px;margin-top:12px}.fusion-panels{min-height:245px;padding-top:25px}.fusion-panels h3{font-size:19px}.fusion-panels p{font-size:14px}.panel-label{font-size:9px}.wide-photo img{aspect-ratio:1440/700;object-fit:cover}.wide-photo figcaption{display:block;font-size:12px}.wide-photo figcaption small{display:block;margin-top:4px;font-size:9px}}