:root{--blue:#0757a6;--deep:#082e59;--ink:#173b60;--muted:#5c7892;--line:#d5e6f3;--soft:#f4faff;--orange:#f57a2a;--green:#27a66f;--shadow:0 18px 50px rgba(18,70,120,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Sans",sans-serif;color:var(--ink);line-height:1.75;background:#fff}a{color:inherit}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:10px 14px;z-index:100}.shell{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{width:min(1320px,calc(100% - 32px));min-height:88px;margin:auto;display:flex;align-items:center;gap:22px}.brand img{width:150px;display:block}.global-nav{margin-left:auto;display:flex;align-items:center;gap:20px}.global-nav a{text-decoration:none;font-weight:800;color:#173b60;font-size:14px}.global-nav a[aria-current=page]{color:var(--blue)}.nav-cta{background:#0b5eb5;color:#fff!important;border-radius:999px;padding:10px 18px}.nav-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:12px;padding:9px 12px;font-weight:800}
.hero{padding:74px 0;background:radial-gradient(circle at 85% 10%,rgba(58,167,216,.18),transparent 30%),linear-gradient(135deg,#eef8ff,#fff 65%)}.hero-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:44px;align-items:center}.eyebrow{margin:0;color:var(--blue);font-size:13px;font-weight:950;letter-spacing:.14em}.hero h1{margin:14px 0 16px;font-size:clamp(46px,6vw,72px);line-height:1.06;letter-spacing:-.055em;color:var(--deep)}.hero h1 span{color:var(--blue)}.hero-tagline{font-size:24px;font-weight:900;color:#2a6daa;margin:0 0 14px}.lead{font-size:19px}.human-first{font-size:20px;color:var(--blue)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 20px;text-decoration:none;font-weight:900;border:1px solid var(--blue)}.btn.primary{background:var(--blue);color:#fff}.btn.secondary{background:#fff;color:var(--blue)}.hero-visual{margin:0;border:1px solid var(--line);border-radius:30px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.hero-visual img{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:contain}.hero-visual figcaption,.growth-visual figcaption{padding:11px 14px 14px;text-align:center;color:var(--muted);font-size:12px;font-weight:700}
.section{padding:78px 0}.section.soft{background:var(--soft)}.section-head{max-width:820px;margin-bottom:30px}.section h2{font-size:clamp(32px,4.4vw,50px);line-height:1.18;letter-spacing:-.04em;color:var(--deep);margin:8px 0 14px}.section-head p{color:var(--muted);font-size:17px}
.human-ai-pair{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:stretch}.human-ai-pair article{padding:30px;border:1px solid var(--line);border-radius:26px;background:#fff;box-shadow:0 10px 28px rgba(18,70,120,.05)}.human-ai-pair small,.value-card span{color:var(--blue);font-weight:950;letter-spacing:.12em}.human-ai-pair h3{font-size:28px;color:var(--deep);margin:9px 0}.pair-mark{align-self:center;font-size:34px;font-weight:900;color:#7da4c2}.center-call{text-align:center;font-size:21px;font-weight:950;color:var(--blue);margin:26px 0 0}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.value-card{padding:28px;border:1px solid var(--line);border-radius:26px;background:#fff;box-shadow:0 12px 32px rgba(18,70,120,.06)}.value-card h3{font-size:26px;color:var(--deep);margin:10px 0 4px}.value-card strong{display:block;margin-bottom:8px}.value-card p{color:var(--muted)}.value-card a{font-weight:900;color:var(--blue)}.value-card.think{border-top:4px solid #278be0}.value-card.connect{border-top:4px solid var(--orange)}.value-card.care{border-top:4px solid var(--green)}
.growth{background:linear-gradient(180deg,#fff,#f7fbff)}.growth-visual{margin:0;border:1px solid var(--line);border-radius:30px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.growth-visual img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#fff}
.vision-bridge{background:linear-gradient(135deg,#082e59,#0757a6 62%,#138ebd);color:#fff}.vision-bridge .eyebrow{color:#aee1ff}.vision-bridge h2{color:#fff}.vision-bridge p{color:#dcecff}.bridge-grid{display:grid;grid-template-columns:1fr .9fr;gap:44px;align-items:center}.vision-steps{display:grid;grid-template-columns:1fr;gap:10px}.vision-steps span{padding:13px 16px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.28);text-align:center;font-weight:850}.vision-steps i{font-style:normal;text-align:center;font-weight:950;color:#aee1ff}.vision-bridge .btn.primary{background:#fff;color:var(--blue);border-color:#fff}
.final{padding:56px 0 80px}.final-panel{max-width:1000px;padding:60px;border-radius:34px;background:radial-gradient(circle at 80% 20%,rgba(98,202,231,.25),transparent 35%),linear-gradient(135deg,#0a3d75,#0b68b8);color:#fff;text-align:center}.final-panel .eyebrow{color:#b7e6ff}.final-panel h2{color:#fff}.final-panel p{max-width:760px;margin:0 auto;color:#e1effb}.actions.center{justify-content:center}.btn.light{background:#fff;color:var(--blue);border-color:#fff}.btn.ghost{color:#fff;border-color:rgba(255,255,255,.65);background:transparent}
.footer{padding:28px 0;background:#071e3b;color:#dce8f4}.footer-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.footer-inner img{width:125px;background:#fff;border-radius:10px;padding:4px}.footer-inner nav{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}.footer-inner nav a{color:#dce8f4;text-decoration:none;font-size:12px}
@media(max-width:900px){.hero-grid,.bridge-grid{grid-template-columns:1fr}.hero-copy{max-width:760px}.value-grid{grid-template-columns:1fr}.human-ai-pair{grid-template-columns:1fr}.pair-mark{text-align:center}.nav-toggle{display:block}.global-nav{display:none;position:absolute;top:78px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.global-nav.open{display:flex}.nav-cta{text-align:center}.footer-inner nav{margin-left:0}}
@media(max-width:600px){.shell{width:calc(100% - 28px)}.header-inner{width:calc(100% - 20px);min-height:72px}.brand img{width:120px}.hero{padding:42px 0}.hero h1{font-size:44px}.hero-visual{border-radius:22px}.section{padding:58px 0}.section h2{font-size:34px}.final-panel{padding:38px 20px;border-radius:26px}.actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}