:root{--navy:#172033;--text:#263447;--muted:#667085;--blue:#3C8FC9;--teal:#4FA9B9;--pale:#F5F8FA;--line:#DDE6EC}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Arial,sans-serif;line-height:1.8}a{text-decoration:none;color:inherit}.header{height:78px;padding:0 5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);z-index:10}.brand{display:flex;align-items:center;gap:12px}.brand img{width:38px;height:38px}.brand span{font-size:11px;letter-spacing:.18em;font-weight:800}.header nav{display:flex;gap:25px;font-size:10px;letter-spacing:.15em;font-weight:800;color:var(--muted)}.header nav a:hover{color:var(--blue)}.hero{max-width:1120px;min-height:calc(100vh - 78px);margin:auto;padding:100px 5vw;display:grid;grid-template-columns:280px 1fr;gap:70px;align-items:center}.hero-logo img{width:220px;height:220px}.eyebrow,.label{font-size:11px;letter-spacing:.2em;font-weight:800;color:var(--blue);margin:0 0 20px}.hero h1{font-size:clamp(44px,6vw,76px);line-height:1.1;letter-spacing:-.035em;color:var(--navy);margin:0}.hero h1 strong{font-weight:800}.jp{font-size:21px;font-weight:800;color:var(--navy);margin:25px 0 12px}.lead{font-size:16px;color:var(--muted);max-width:760px}.actions{display:flex;align-items:center;gap:24px;margin-top:32px}.button{display:inline-block;padding:12px 24px;border-radius:999px;background:var(--navy);color:white;font-size:11px;font-weight:800;letter-spacing:.08em}.link{font-size:11px;color:var(--blue);font-weight:800}.section{max-width:1120px;margin:auto;padding:110px 5vw}.section h2{font-size:clamp(30px,4vw,48px);line-height:1.35;letter-spacing:-.025em;color:var(--navy);margin:0 0 24px}.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:50px;border-top:1px solid var(--line)}.stats div{padding:25px;border-right:1px solid var(--line)}.stats b{display:block;color:var(--blue);font-size:48px;line-height:1}.stats span{font-size:10px;letter-spacing:.1em;color:var(--muted)}.pale{max-width:none;background:var(--pale);padding-left:max(5vw,calc((100vw - 1120px)/2));padding-right:max(5vw,calc((100vw - 1120px)/2))}.cards{display:grid;gap:18px}.four{grid-template-columns:repeat(4,1fr)}.cards article{background:#fff;border:1px solid var(--line);padding:30px;min-height:205px}.cards small{color:var(--blue);font-weight:800}.cards h3,.case-list h3,.skill-grid h3{color:var(--navy);margin:8px 0}.cards p,.case-list p,.skill-grid p,.columns p{font-size:14px;color:var(--muted)}.dark{max-width:none;background:var(--navy);color:#fff;padding-left:max(5vw,calc((100vw - 1120px)/2));padding-right:max(5vw,calc((100vw - 1120px)/2))}.dark h2{color:#fff}.dark .label{color:#80C6D0}.case-head{display:flex;justify-content:space-between;align-items:end;gap:30px}.amount{font-size:52px;font-weight:800;line-height:1}.amount small{display:block;font-size:9px;letter-spacing:.15em;font-weight:500;color:#AFC0CF}.case-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:80px;margin-top:50px}.case-lead{font-size:19px;font-weight:700}.dark p{color:#D5DEE7}.timeline{border-left:1px solid #647383;padding-left:30px;display:grid;gap:25px}.timeline b{display:block;font-size:30px}.timeline span{font-size:10px;letter-spacing:.12em;color:#AFC0CF}.case-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.case-list article{background:var(--pale);border-top:3px solid var(--blue);padding:28px}.case-list article>b{color:var(--blue);font-size:14px}.skill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.skill-grid article{border:1px solid var(--line);padding:30px}.skill-grid h3{font-size:12px;letter-spacing:.08em}.story{display:flex;align-items:center;margin-top:55px}.story div{width:150px;text-align:center}.story b{display:block;width:58px;height:58px;margin:auto;border-radius:50%;background:var(--blue);color:#fff;line-height:58px}.story span{font-size:11px;font-weight:800}.story i{height:1px;background:var(--line);flex:1}.ai-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:45px}.ai-grid div{border-top:2px solid var(--blue);padding-top:14px;font-size:10px;letter-spacing:.13em;font-weight:800}.ai-grid span{display:block;color:var(--muted);font-size:13px;letter-spacing:0;font-weight:400;margin-top:6px}.profile-detail{border-top:1px solid var(--line)}.role{color:var(--blue);font-weight:800}.columns{display:grid;grid-template-columns:1fr 1fr;gap:80px;margin-top:40px}.columns h3{font-size:11px;letter-spacing:.16em}.contact{text-align:center}.contact h2{max-width:760px;margin-left:auto;margin-right:auto}.contact .note{font-size:10px}.contact p{color:var(--muted)}footer{padding:35px 5vw;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:.08em;color:var(--muted)}footer img{width:32px;height:32px}@media(max-width:800px){.header{height:66px}.brand span,.header nav{display:none}.hero{min-height:auto;padding-top:70px;display:flex;flex-direction:column;align-items:flex-start;gap:30px}.hero-logo img{width:140px;height:140px}.hero h1{font-size:46px}.jp{font-size:18px}.lead{font-size:14px}.four,.case-list,.skill-grid,.ai-grid,.columns{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.stats div:last-child{grid-column:span 2;border-top:1px solid var(--line);border-right:0}.case-head,.case-grid{display:block}.amount{margin-top:25px;font-size:40px}.timeline{margin-top:40px}.story{display:grid;grid-template-columns:1fr}.story i{width:1px;height:28px;margin:auto}footer{flex-wrap:wrap;gap:15px}}