:root{color-scheme:dark;--bg:#050809;--text:#f0f4f4;--muted:#b4c0c3;--cyan:#65e5f5;--line:#253034;font-family:"Noto Sans JP",Arial,sans-serif;font-synthesis:none;font-weight:400;letter-spacing:0}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);color:var(--text);line-height:1.7}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}button:disabled{opacity:.35;cursor:default}a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:6px}svg{width:19px;height:19px;stroke-width:1.5;flex-shrink:0}button svg{pointer-events:none}[hidden]{display:none!important}::selection{background:#23545d;color:white}.skip-link{position:fixed;top:-60px;left:20px;z-index:100;padding:8px 16px;background:var(--cyan);color:var(--bg)}.skip-link:focus{top:12px}
.header{height:88px;padding:0 4%;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:20;background:var(--bg);gap:24px}.brand{display:flex;align-items:center}.brand img{object-fit:contain;max-width:100%;height:40px;width:137px}.desktop-nav{display:flex;gap:46px;align-items:center;font-size:13px}.desktop-nav a{padding:12px 0;color:var(--muted);transition:color .2s}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:white}.header-actions{display:flex;align-items:center;gap:16px}.contact-link{display:flex;gap:20px;align-items:center;border:1px solid #6a7578;border-radius:30px;padding:9px 24px;font-size:13px;transition:background .2s,border-color .2s}.contact-link:hover{background:#102328;border-color:var(--cyan)}.menu-button{display:none!important}.mobile-nav{position:absolute;left:0;right:0;top:76px;background:#0b1113;padding:20px 6%;border-bottom:1px solid var(--line)}.mobile-nav a{display:block;padding:14px 0}
.hero{position:relative;height:calc(100svh - 205px);min-height:580px;max-height:1040px;isolation:isolate;margin:0 auto;max-width:2000px;overflow:hidden}.hero-heading{position:absolute;z-index:3;left:4%;top:12%;pointer-events:none}.hero h1{font-family:Arial,"Noto Sans JP",sans-serif;font-size:82px;line-height:1.08;font-weight:400;margin:0 0 18px;letter-spacing:0}.hero-heading>p{font-size:25px;color:#d0d7d9;margin:0}.hero-intro{position:absolute;z-index:3;left:4%;bottom:20%;max-width:38%}.hero-intro p{font-size:18px;color:#c5ced0;margin:0 0 30px;line-height:1.9}.text-link{display:inline-flex;align-items:center;gap:20px;color:var(--cyan);font-size:16px;padding:8px 0}.text-link svg{transition:transform .2s}.text-link:hover svg{transform:translate(3px,-3px)}.text-link:hover{color:#c4faff}.scroll-link{position:absolute;left:4%;bottom:32px;display:flex;align-items:center;gap:12px;font-family:Arial,sans-serif;font-size:10px;color:var(--muted);z-index:3}.scroll-link svg{height:26px;width:16px}
.graph-stage{position:absolute;inset:0 0 0 38%;z-index:1;overflow:hidden}.graph-stage canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 700ms;touch-action:pan-y}.graph-stage.ready canvas{opacity:1}.graph-labels{position:absolute;inset:0;pointer-events:none}.graph-label{position:absolute;left:0;top:0;display:flex;align-items:center;gap:8px;white-space:nowrap;font-family:Arial,"Noto Sans JP",sans-serif;font-size:12px;color:#d6edf0;padding:6px 8px;background:rgba(5,8,9,.83);border:0;border-radius:3px;pointer-events:auto;transition:color .2s,background .2s;will-change:transform;opacity:0}.graph-label.visible{opacity:1}.graph-label svg{width:17px;height:17px}.graph-label:hover,.graph-label.active{color:var(--cyan);background:#0b1c20}.icon-button{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;background:rgba(5,8,9,.9);border:1px solid transparent;border-radius:4px;position:relative}.icon-button:hover{border-color:var(--line);color:var(--cyan)}[data-tooltip]:hover::after,[data-tooltip]:focus-visible::after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);right:0;white-space:nowrap;padding:4px 8px;color:var(--text);background:#172125;border:1px solid var(--line);font-size:11px;border-radius:3px}.graph-fallback{position:absolute;inset:25% 12%;border-top:1px solid var(--line);padding-top:40px;color:var(--muted)}.graph-fallback a{color:var(--cyan);display:flex;gap:10px;align-items:center}
.expertise-bar{border-top:1px solid #475154;padding:25px 4% 30px;scroll-margin-top:0}.eyebrow{font-family:Arial,sans-serif;font-size:10px;font-weight:400;color:var(--muted);margin:0 0 20px}.expertise-links{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:24px}.expertise-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;padding:8px 0;transition:color .2s}.expertise-links a svg{width:15px;height:15px}.expertise-links a:hover{color:var(--cyan)}.content-width{width:min(1180px,92%);margin-inline:auto}.services{display:grid;grid-template-columns:1fr 1.2fr;gap:90px;padding-top:150px;padding-bottom:130px}.section-heading{align-self:start;position:sticky;top:70px}.section-heading .eyebrow{color:var(--cyan);margin-bottom:30px}.section-heading h2{font-size:38px;line-height:1.6;font-weight:400;margin:0 0 25px}.section-lead{color:var(--muted);font-size:14px;line-height:2}.service{display:grid;grid-template-columns:32px 1fr 35px;gap:20px;padding:40px 0;border-top:1px solid var(--line);scroll-margin-top:40px}.service:first-child{padding-top:0;border-top:0}.service-number{color:var(--cyan);font:12px Arial,sans-serif;padding-top:3px}.service-en{color:var(--muted);font:10px Arial,sans-serif;margin:0 0 10px}.service h3{font-size:23px;font-weight:400;line-height:1.6;margin:0 0 18px}.service p:not(.service-en){font-size:14px;line-height:2;color:var(--muted);margin:0 0 20px}.service ul{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;margin:0;padding:0;color:#8eaaaf;font-size:11px}.service li::before{content:'·';padding-right:7px;color:var(--cyan)}.service-contact{width:35px;height:35px;border:1px solid var(--line);display:grid;place-items:center;border-radius:50%;transition:color .2s,border-color .2s}.service-contact:hover{color:var(--cyan);border-color:var(--cyan)}.consultation{border-block:1px solid var(--line);padding:85px 0 95px;background:#0a1012}.consultation h2{font-weight:400;font-size:36px;margin:0 0 16px}.consultation p:not(.eyebrow){color:var(--muted);font-size:14px;margin:0 0 26px}.footer{display:flex;align-items:center;flex-wrap:wrap;gap:24px;padding-block:40px}.footer img{object-fit:contain}.footer p{font-size:12px;color:var(--muted)}.footer nav{margin-left:auto;display:flex;flex-wrap:wrap;gap:24px;font-size:11px;color:var(--muted)}.footer nav a:hover{color:var(--cyan)}.footer small{width:100%;color:#859397;font:10px Arial,sans-serif}
@media(min-width:1700px){.hero h1{font-size:100px}.hero-heading>p{font-size:28px}.hero-intro p{font-size:20px}.graph-label{font-size:14px}}
@media(max-width:1200px){.hero h1{font-size:66px}.hero-heading>p{font-size:20px}.hero-intro p{font-size:16px}.graph-stage{left:37%}.services{gap:50px}.expertise-links{gap:18px}.expertise-links a{font-size:12px}.desktop-nav{gap:25px}}
@media(max-width:900px){.header{height:76px}.hero{height:660px;min-height:0}.hero h1{font-size:52px}.hero-heading>p{font-size:18px}.graph-stage{left:28%;top:80px}.hero-heading{top:30px}.hero-intro{max-width:42%;bottom:18%}.hero-intro p{font-size:14px}.expertise-links{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 32px}.expertise-links a{font-size:13px}.services{grid-template-columns:1fr;gap:45px;padding-block:90px}.section-heading{position:static}.section-heading h2{font-size:32px}.service:first-child{border-top:1px solid var(--line);padding-top:32px}.desktop-nav{gap:20px;font-size:12px}.contact-link{padding:8px 15px}.brand img{width:116px}.graph-label{font-size:11px}}
@media(max-width:600px){html{scroll-padding-top:30px}.header{padding-inline:6%;gap:12px}.desktop-nav{display:none}.menu-button{display:inline-flex!important}.header-actions{gap:8px}.contact-link{font-size:11px;padding:7px 12px;gap:7px}.contact-link svg{width:14px}.brand img{width:103px;height:34px}.hero{height:auto;max-height:none;min-height:0;display:flex;flex-direction:column;padding:35px 6% 28px}.hero-heading{position:relative;top:auto;left:auto;order:0}.hero h1{font-size:47px;margin-bottom:15px}.hero-heading>p{font-size:16px}.graph-stage{position:relative;inset:auto;order:1;width:calc(100% + 13.64%);margin-left:-6.82%;height:330px;margin-top:16px}.graph-label{font-size:10px;gap:5px;padding:4px 6px}.graph-label svg{width:13px;height:13px}.icon-button{width:34px;height:34px}.hero-intro{position:relative;left:auto;bottom:auto;max-width:none;order:2;padding-top:14px}.hero-intro p{font-size:14px;margin-bottom:12px}.text-link{font-size:14px}.scroll-link{position:relative;left:auto;bottom:auto;order:3;margin-top:22px;align-self:flex-start}.expertise-bar{padding:22px 6% 24px}.expertise-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 25px}.expertise-links a{font-size:12px;min-height:38px}.eyebrow{font-size:9px;margin-bottom:14px}.content-width{width:88%}.services{padding-block:68px;gap:30px}.section-heading h2{font-size:28px}.section-lead{font-size:13px}.service{grid-template-columns:22px 1fr 30px;gap:12px;padding-block:30px}.service h3{font-size:20px}.service p:not(.service-en){font-size:13px}.service-contact{width:30px;height:30px}.service ul{font-size:10px;gap:6px 12px}.consultation{padding-block:60px}.consultation h2{font-size:25px}.consultation p:not(.eyebrow){font-size:13px}.footer{gap:14px;padding-block:30px}.footer nav{width:100%;margin:0;gap:12px 20px}.footer img{width:104px}.footer small{margin-top:12px}}
@media(max-width:360px){.hero h1{font-size:41px}.hero-heading>p{font-size:14px}.contact-link{padding-inline:8px}.brand img{width:90px}.graph-stage{height:300px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.hero{overflow:clip}
@media(min-width:901px){.graph-stage{left:24%;right:0;top:-20px;clip-path:polygon(19% 0,100% 0,100% 100%,0 100%,0 47%,19% 47%)}.hero-heading,.hero-intro{pointer-events:none}.hero-intro a{pointer-events:auto}}
@media(min-width:601px) and (max-width:900px){.graph-stage{left:23%;right:0;top:105px}}
.graph-stage canvas:focus-visible{outline:1px solid var(--cyan);outline-offset:-5px}
.expertise-links a{position:relative;min-height:48px;border-bottom:1px solid transparent;transition:color 200ms,border-color 200ms}
.expertise-links a::after{content:"";position:absolute;inset:auto 0 -1px;height:1px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform 320ms cubic-bezier(.22,.68,0,1)}
.expertise-links a span{display:block;transition:transform 250ms cubic-bezier(.22,.68,0,1)}
.expertise-links a svg{transition:transform 250ms cubic-bezier(.22,.68,0,1),color 200ms}
.expertise-links a:hover,.expertise-links a:focus-visible,.expertise-links a.is-active{color:var(--cyan);border-bottom-color:#1d4850}
.expertise-links a:hover::after,.expertise-links a:focus-visible::after,.expertise-links a.is-active::after{transform:scaleX(1)}
.expertise-links a:hover span,.expertise-links a:focus-visible span,.expertise-links a.is-active span{transform:translateY(-3px)}
.expertise-links a:hover svg,.expertise-links a:focus-visible svg,.expertise-links a.is-active svg{transform:translate(3px,-3px)}