:root{--navy:#0b2236;--ink:#112e42;--muted:#546779;--line:#cfd9df;--paper:#f6f8fa;--blue:#285d78}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:white;font-family:Arial,'Noto Sans JP','Yu Gothic',Meiryo,sans-serif;font-size:16px;line-height:1.85}a{color:inherit;text-underline-offset:5px}button{font:inherit}img{max-width:100%;display:block}.shell{width:min(1240px,88%);margin:auto}.site-header{min-height:88px;display:flex;align-items:center;justify-content:space-between;padding:18px 5%;background:var(--navy);color:white;gap:30px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand-mark{width:36px;height:36px;fill:currentColor;flex-shrink:0}.brand-type{font-size:19px;letter-spacing:.08em}.brand-type b{font-weight:400}.site-nav{display:flex;gap:28px;align-items:center;font-size:14px}.site-nav a{text-decoration:none}.site-nav a:hover{text-decoration:underline}.nav-contact{border:1px solid #647d90;padding:7px 15px}.menu-toggle{display:none}.hero{position:relative;background:var(--navy);color:white;padding:72px 0 25px}.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.hero-brand{font-size:14px;letter-spacing:.18em;color:#b7d2e0}.hero h1{font-size:clamp(30px,3.5vw,53px);line-height:1.55;letter-spacing:.015em;margin:20px 0}.hero-en{font-size:23px;line-height:1.5;color:#a5c9df;margin-bottom:28px}.hero-lead{max-width:550px}.en{color:var(--muted);font-size:14px;line-height:1.75}.hero .en{color:#afc4d2}.hero-photo{margin:0}.hero-photo img{width:100%;aspect-ratio:1.12;object-fit:cover}.hero-photo figcaption{font-size:12px;color:#a6bbc9;margin-top:8px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;justify-content:center;align-items:center;padding:12px 20px;text-decoration:none;font-size:14px;border:1px solid #99b0c1;cursor:pointer}.primary{background:white;color:var(--navy);border-color:white}.ghost{color:white}.hero-bottom{display:flex;justify-content:space-between;margin-top:56px;font-size:12px;letter-spacing:.12em;color:#a8becd}.section{padding:90px 0;scroll-margin-top:20px}.section-heading{margin-bottom:40px}.section-no{font-size:14px;letter-spacing:.13em;color:var(--blue);margin:0 0 12px}.section-heading h2{font-size:clamp(26px,2.4vw,37px);line-height:1.5;margin:0 0 13px}.section-heading p{margin:8px 0}.intro-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:80px}.intro-layout h3{font-size:26px;line-height:1.7;margin:8px 0}.intro-layout p{margin-top:0}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:50px}.category-grid article{border-top:2px solid var(--navy);padding-top:20px}.category-grid span,.shop-type{font-size:14px;letter-spacing:.09em;color:var(--blue)}.category-grid h3{font-size:22px;margin:12px 0}.small{font-size:14px;color:var(--muted);margin-top:25px}.shop{background:#eaf0f5}.shop-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.shop-grid article{background:white;padding:35px 40px;border:1px solid #d2dde5}.shop-grid h3{font-size:28px;margin:10px 0 20px;line-height:1.4}.platform{font-size:14px;color:var(--muted);margin-top:28px}.coming{display:inline-block;color:var(--blue);background:#eaf0f5;border:1px solid #d1dde5;padding:8px 20px;letter-spacing:.06em;font-size:14px}.procurement-section{background:var(--paper);padding-top:60px;padding-bottom:60px}.business-block{display:grid;grid-template-columns:.65fr 2fr 1fr;gap:35px}.business-label{font-size:14px;letter-spacing:.06em;line-height:1.6;color:var(--muted)}.business-label span{display:block}.business-main h3{margin-top:0;font-size:26px}.business-lead{margin-top:0}.capability-list{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:30px}.capability-list div{border-top:1px solid var(--line);padding-top:10px}.capability-list span{font-size:14px;color:var(--blue);margin-right:10px}.capability-list strong{font-size:14px}.capability-list small{display:block;font-size:14px;color:var(--muted)}.business-aside{border-left:1px solid var(--line);padding-left:24px;font-size:14px}.aside-title{font-weight:bold;margin-top:0}.business-aside ul{list-style:none;padding:0}.aside-note{color:var(--muted)}.founder-layout{display:grid;grid-template-columns:.75fr 1.5fr;gap:70px}.founder-signature{display:flex;align-items:center;background:var(--paper)}.founder-signature svg{width:100%;max-height:400px;fill:none;stroke:#b8c9d6;stroke-width:1}.founder-name{font-size:19px;font-weight:bold}.founder-lead{font-size:26px;line-height:1.7}.contact{background:var(--navy);color:white}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px}.contact .section-no{color:#a6cadf}.contact .en{color:#b5c8d5}.contact-card{border:1px solid #456074;padding:30px}.contact-name{display:flex;gap:15px;align-items:center}.contact-name span{display:block;font-size:14px;color:#bdcfdb}.contact-card dl{margin:25px 0}.contact-card dl div{display:grid;grid-template-columns:60px 1fr;gap:12px;font-size:14px;padding:8px 0;border-bottom:1px solid #314b5f}.contact-card dd{margin:0;overflow-wrap:anywhere}.contact-actions{display:flex;gap:12px;flex-wrap:wrap}.contact-button{background:white;color:var(--navy)}.contact-copy{background:transparent;color:white}.copy-status{font-size:14px}.site-footer{background:#061727;color:#b3c4d1;padding:40px 0}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px}.footer-top p,.footer-bottom{font-size:12px}.footer-bottom{border-top:1px solid #314454;margin-top:25px;padding-top:20px}.copyright{display:flex;justify-content:space-between;margin-top:25px}.skip-link{position:absolute;top:-100px;left:10px;z-index:10;padding:10px;background:white}.skip-link:focus{top:10px}:focus-visible{outline:3px solid #59a8d5;outline-offset:5px}.text-link{font-weight:bold}@media(max-width:1000px){.site-nav{gap:16px}.brand-type{font-size:16px}.hero-content{gap:30px}.intro-layout{gap:40px}.business-block{grid-template-columns:1fr 2.4fr}.business-aside{grid-column:2}.contact-layout{gap:30px}}@media(max-width:720px){.site-header{flex-wrap:wrap;padding:18px 6%;gap:15px}.menu-toggle{display:block;width:40px;height:40px;background:none;border:1px solid #6a8497;color:white}.menu-toggle span{display:block;width:20px;height:1px;margin:6px auto;background:currentColor}.site-nav{display:flex;flex-wrap:wrap;width:100%;gap:15px;font-size:14px}.js .site-nav{display:none}.js .site-nav.open{display:flex}.hero{padding-top:40px}.hero-content,.intro-layout,.founder-layout,.contact-layout{grid-template-columns:1fr;gap:30px}.hero-photo img{aspect-ratio:1.5}.hero h1{font-size:clamp(27px,7vw,42px)}.hero-bottom{margin-top:35px;gap:15px;flex-wrap:wrap}.section{padding:60px 0}.category-grid{grid-template-columns:1fr;gap:22px;margin-top:30px}.shop-grid{grid-template-columns:1fr}.shop-grid article{padding:25px}.business-block{grid-template-columns:1fr;gap:22px}.business-label span{display:inline;margin-right:5px}.business-aside{grid-column:auto;border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.capability-list{grid-template-columns:1fr}.founder-signature{display:none}.founder-lead{font-size:23px}.footer-top{flex-direction:column;align-items:flex-start}.coordinates{display:none}.contact-card{padding:22px}.copyright{gap:20px;flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.shop-link{background:var(--navy);border-color:var(--navy);color:white}