:root{--blue:#0a66c2;--blue-deep:#054486;--ink:#132b42;--paper:#f6f9fc;--line:#d7e3ec;--muted:#536b7e;font-family:Arial,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:#fff;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #f2a442;outline-offset:7px}::selection{background:#b9ddff;color:#063c77}.skip{position:absolute;left:20px;top:-100px;background:white;padding:12px;z-index:30}.skip:focus{top:12px}.header{height:100px;padding:0 5.5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:10}.wordmark{font-family:Arial,sans-serif;font-size:47px;letter-spacing:-3.5px;line-height:1;font-weight:800;color:var(--blue)}.mark-dot{color:var(--blue)}.header nav{display:flex;gap:40px;align-items:center;font-size:13px;font-weight:700}.header nav a{padding:14px 0}.header nav a:last-child{border-left:1px solid var(--line);padding-left:38px}.header nav a span{margin-left:28px;color:var(--blue);font-size:19px}.header nav a:hover{color:var(--blue)}.menu-toggle{display:none}.hero{background:var(--paper);position:relative;min-height:760px;overflow:hidden;padding:105px 5.5% 98px;isolation:isolate}.hero-grid{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(90deg,#c2d9e625 1px,transparent 1px);background-size:calc(100% / 12) 100%}.hero-copy{position:relative;z-index:2;max-width:760px}.eyebrow,.section-label{font-size:11px;letter-spacing:1.4px;font-weight:700;display:flex;align-items:center;gap:12px;color:var(--blue);margin:0}.dot{display:inline-block;flex-shrink:0;width:7px;height:7px;background:currentColor;border-radius:50%}.hero h1{font-size:clamp(44px,5.2vw,79px);line-height:1.44;letter-spacing:-.055em;color:var(--blue);margin:36px 0 27px;font-weight:800}.outline-word{-webkit-text-stroke:1.2px var(--blue);color:transparent}.hero-description{font-size:15px;line-height:2.1;font-weight:500;margin:0;color:#365269}.circle-link{display:inline-flex;align-items:center;gap:35px;margin-top:34px;font-size:13px;font-weight:700}.round-arrow{display:grid;place-items:center;width:46px;height:46px;border:1px solid #8ab4d5;border-radius:50%;font-size:22px;color:var(--blue);transition:background .2s,color .2s,transform .2s}.circle-link:hover .round-arrow{background:var(--blue);color:white;transform:translate(3px,-3px)}.hero-art{position:absolute;right:-3%;top:5px;width:54%;height:740px;z-index:1}.hero-art svg{width:100%;height:100%;overflow:visible}.hero-bottom{position:absolute;bottom:31px;left:5.5%;right:5.5%;display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:9px;letter-spacing:1.5px;color:#456b87}.hero-bottom a{font-size:9px;display:flex;align-items:center;gap:36px}.hero-bottom a span{font-size:20px}.section-pad{padding:96px 7.6%}.section-label{position:relative;padding-bottom:34px;border-bottom:1px solid var(--line)}.section-index{margin-left:auto;color:#63829a;font-size:12px}.about-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:55px;margin-top:63px}.about h2,.services h2,.company h2{margin:0;font-size:clamp(28px,3.1vw,46px);line-height:1.65;letter-spacing:-.035em;font-weight:700}.about-text{padding-top:4px;max-width:480px}.about-text p{font-size:14px;line-height:2.2;margin:0 0 23px}.about-baseline{margin-top:70px;font-size:clamp(42px,7.8vw,118px);line-height:1.05;letter-spacing:-.065em;color:#e4edf4;font-weight:700;display:flex;flex-wrap:wrap;gap:0 .18em}.blue{color:var(--blue)}.services{background:var(--blue);color:white;padding-bottom:46px}.services .section-label,.services .section-index{color:white}.services .section-label{border-color:#ffffff40}.services-heading{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin:53px 0 65px}.services-heading p{font-size:13px;line-height:2.2;margin:0 0 8px;color:#e0efff}.service{border-top:1px solid #ffffff60}.service:last-child{border-bottom:1px solid #ffffff60}.service summary{display:grid;grid-template-columns:55px 1fr 230px 45px;align-items:center;gap:25px;list-style:none;cursor:pointer;padding:34px 0;transition:padding .2s}.service summary::-webkit-details-marker{display:none}.service summary:hover{padding-left:10px}.service-no{font-size:12px;align-self:start;padding-top:8px;color:#cbe4ff}.service-titles{display:flex;flex-direction:column;gap:11px}.service-en{font-size:clamp(28px,3.3vw,46px);letter-spacing:-.025em;line-height:1}.service-ja{font-size:12px;font-weight:500;letter-spacing:.06em}.service-short{font-size:13px;font-weight:500}.service-icon{border:1px solid #ffffff80;border-radius:50%;width:42px;height:42px;display:grid;place-items:center;font-size:20px;transition:transform .2s}.service[open] .service-icon{transform:rotate(45deg)}.service-body{padding:0 70px 30px 80px;max-width:760px}.service-body p{font-size:14px;line-height:2;margin:0;color:#e8f3ff}.services-foot{margin-top:43px;display:flex;justify-content:flex-end;gap:26px;font-size:10px;letter-spacing:1.6px;color:#d1eaff}.company{padding-top:94px;padding-bottom:112px;background:var(--paper)}.company-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:75px;margin-top:60px}.company h2{font-size:36px}.company-en{font-size:15px;line-height:1.65;color:#64839c;margin-top:23px}.company-graphic{position:relative;display:flex;gap:12px;align-items:flex-end;width:220px;height:120px;margin-top:45px}.company-graphic span{width:54px;background:#c8e3f7;height:45px;transform:skewY(-25deg)}.company-graphic span:nth-child(2){height:80px;background:#7db6e4}.company-graphic span:nth-child(3){height:115px;background:var(--blue)}.company-table{margin:0}.company-table>div{display:grid;grid-template-columns:95px 1fr;gap:28px;padding:23px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.9}.company-table>div:first-child{padding-top:5px}.company-table dt{color:#617b8f;font-size:12px;padding-top:2px}.company-table dd{margin:0;font-weight:500}.footer{padding:52px 5.5% 28px;background:white}.footer-top{display:flex;gap:45px;align-items:center;padding-bottom:43px}.footer-top .wordmark{font-size:64px}.footer-top p{font-size:14px;font-weight:700}.back-top{margin-left:auto;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;height:45px;width:45px;color:var(--blue);font-size:23px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:24px;font-size:10px;color:#5a768c}.mobile-nav{padding:10px 6%;background:white}.mobile-nav a{display:block;padding:18px 0;border-bottom:1px solid var(--line);font-size:14px}.mobile-nav[hidden]{display:none}
@media(min-width:1600px){.hero{padding-left:max(5.5%,calc((100% - 1500px)/2));}.hero-art{right:4%}}
@media(max-width:1050px){.header nav{gap:24px}.hero{min-height:685px;padding-top:82px}.hero-art{width:57%;right:-9%;top:15px;height:650px}.hero h1{font-size:59px}.hero-copy{max-width:620px}.eyebrow{font-size:9px}.section-pad{padding:72px 6%}.service summary{grid-template-columns:30px 1fr 185px 42px;gap:20px}.about-layout{gap:30px}.company-layout{gap:40px}.hero-description{font-size:14px}.services-heading p{max-width:310px}}
@media(max-width:720px){html{scroll-padding-top:20px}.header{height:78px;padding:0 6%}.wordmark{font-size:38px}.header nav{display:none}.menu-toggle{display:flex;align-items:center;gap:15px;border:none;background:none;color:var(--blue);font-size:10px;font-weight:700;letter-spacing:1px;min-height:44px;padding:0 0 0 14px}.menu-toggle span{font-size:23px}.hero{padding:52px 6% 69px;min-height:0}.hero-copy{max-width:none}.eyebrow{font-size:8px;letter-spacing:.9px;gap:8px}.eyebrow .dot{width:5px;height:5px}.hero h1{font-size:clamp(35px,8.8vw,61px);line-height:1.5;margin:28px 0 21px}.hero-description{font-size:13px;line-height:2}.circle-link{margin-top:23px;font-size:12px;gap:28px}.round-arrow{width:40px;height:40px}.hero-art{position:relative;right:auto;top:auto;width:100%;height:auto;aspect-ratio:1.28;margin-top:-20px;margin-bottom:15px}.hero-art svg{height:100%;width:100%;transform:scale(1.08)}.hero-bottom{bottom:22px;left:6%;right:6%;font-size:7px;letter-spacing:.6px}.hero-bottom a{font-size:7px;letter-spacing:.6px;gap:12px}.hero-bottom>span{max-width:140px;line-height:1.7}.section-pad{padding:55px 6%}.section-label{font-size:10px;padding-bottom:24px}.about-layout{grid-template-columns:1fr;gap:25px;margin-top:32px}.about h2,.services h2{font-size:30px;line-height:1.65}.about-text p{font-size:13px;line-height:2.15;margin-bottom:16px}.about-baseline{margin-top:35px;display:block;font-size:clamp(43px,11vw,75px)}.about-baseline>span{display:block}.services-heading{display:block;margin:32px 0 35px}.services-heading p{font-size:12px;margin-top:23px}.service summary{grid-template-columns:22px minmax(0,1fr) 35px;gap:12px;padding:27px 0}.service-en{font-size:29px}.service-ja{font-size:11px}.service-short{display:none}.service-icon{height:34px;width:34px;font-size:18px}.service-no{font-size:10px;padding-top:4px}.service-body{padding:0 12px 24px 34px}.service-body p{font-size:12px}.services-foot{justify-content:space-between;gap:10px;font-size:7px;letter-spacing:.9px;margin-top:32px}.company-layout{grid-template-columns:1fr;gap:25px;margin-top:32px}.company h2{font-size:30px}.company-en{font-size:13px;margin-top:13px}.company-graphic{display:none}.company-table>div{grid-template-columns:68px 1fr;gap:18px;font-size:12px;padding:19px 0}.company-table dt{font-size:11px}.footer{padding:35px 6% 24px}.footer-top{gap:18px;flex-wrap:wrap;position:relative;padding-bottom:26px}.footer-top .wordmark{font-size:49px}.footer-top p{width:100%;order:3;font-size:12px;margin:0}.back-top{height:40px;width:40px}.footer-bottom{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}