:root{--primary:#30b0c7;--primary-dark:#1f8a9c;--primary-text:#1f7484;--on-primary:#0c343c;--lavender:#e2f0fd;--indigo:#103b44;--lilac-white:#ffffff;--canvas:#f9faff;--canvas-dark:#000000;--surface-dark:#171718;--surface-dark-soft:#232327;--surface-dark-elevated:#2b2b30;--tint:#eef6fd;--cloud:#e9eef3;--hairline:#e6ebf1;--ink:#171718;--muted:#666b76;--muted-on-dark:#b4b4b4;--success:#45e863;--error:#d9002f;--r-sm:8px;--r-md:12px;--r-lg:24px;--r-xl:32px;--r-pill:96px;--r-nav:100px;--r-full:9999px;--s-xs:4px;--s-sm:8px;--s-md:12px;--s-lg:16px;--s-xl:24px;--s-xxl:32px;--s-section:48px;--container:1200px;--glow:0 0 4px 0 rgba(226,240,253,1);--shadow-soft:0 12px 40px -16px rgba(16,59,68,0.18);--ease:cubic-bezier(0.22,1,0.36,1)}*,*::before,*::after{box-sizing:border-box}*{margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:"Inter","Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu 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10px;white-space:nowrap}.lang-switch:hover{color:var(--primary-text)}.display{font-size:clamp(3rem,7vw,6rem);font-weight:600;line-height:1.05;letter-spacing:-0.02em}.h1{font-size:clamp(2rem,4.2vw,3.25rem);font-weight:600;line-height:1.1;letter-spacing:-0.015em}.h2{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:600;line-height:1.15;letter-spacing:-0.01em}.h3{font-size:1.35rem;font-weight:600;line-height:1.3;letter-spacing:-0.005em}.lead{font-size:clamp(1.05rem,1.5vw,1.25rem);font-weight:350;line-height:1.7;color:var(--muted)}.eyebrow{display:inline-block;background:var(--lavender);color:var(--indigo);font-size:0.72rem;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;padding:7px 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.card-num{margin-bottom:10px}.research-theme-card .h3{margin-bottom:14px}.research-theme-note{margin-top:18px;padding-top:14px;border-top:1px solid var(--hairline);color:var(--muted);font-size:0.88rem}@media (max-width:860px){.joint-research-head{grid-template-columns:1fr}.joint-research-media img{max-width:100%;margin-inline:auto}}.upcx-intro{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,0.9fr);gap:clamp(28px,5vw,64px);align-items:center;margin-bottom:clamp(36px,5vw,56px)}.upcx-intro .section-head{max-width:none;margin-bottom:0}.upcx-intro-media img{width:100%;max-width:240px;margin-inline:auto;display:block}@media (max-width:860px){.upcx-intro{grid-template-columns:1fr}.upcx-intro-media img{max-width:200px;margin-inline:auto}}.stack-sm > * + *{margin-top:var(--s-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:inherit;font-size:0.95rem;font-weight:600;line-height:1;padding:16px 30px;border:none;border-radius:var(--r-pill);cursor:pointer;transition:transform 0.2s var(--ease),box-shadow 0.2s var(--ease),background 0.2s var(--ease);white-space:nowrap}.btn:active{transform:scale(0.97)}.btn-primary{background:var(--primary);color:var(--on-primary)}.btn-primary:hover{box-shadow:0 10px 28px -8px rgba(48,176,199,0.75);transform:translateY(-2px)}.btn-soft{background:var(--lavender);color:var(--indigo)}.btn-soft:hover{background:#cfe6fb;transform:translateY(-2px)}.btn-light{background:var(--lilac-white);color:var(--indigo)}.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(0,0,0,0.35)}.btn-ghost{background:transparent;color:var(--indigo);border:1.5px solid rgba(60,49,91,0.2)}.btn-ghost:hover{border-color:var(--primary-text);background:rgba(48,176,199,0.08)}.btn-arrow::after{content:"→";font-weight:400;transition:transform 0.2s var(--ease)}.btn-arrow:hover::after{transform:translateX(4px)}.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--indigo);font-size:0.95rem}.link-arrow::after{content:"→";transition:transform 0.2s var(--ease)}.link-arrow:hover{color:var(--primary-text)}.link-arrow:hover::after{transform:translateX(4px)}.text-link{color:var(--primary-text);font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px}.text-link:hover{color:var(--primary-text)}.nav-wrap{position:sticky;top:0;z-index:100;padding:14px clamp(16px,4vw,28px)}.nav{max-width:var(--container);margin-inline:auto;height:64px;background:rgba(255,253,248,0.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border:1px solid var(--hairline);border-radius:var(--r-nav);box-shadow:var(--shadow-soft);display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 24px}.nav-logo img{height:30px;width:auto}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{font-size:0.9rem;font-weight:600;letter-spacing:0.02em;color:var(--indigo);padding:10px 16px;border-radius:var(--r-full);transition:background 0.2s var(--ease),color 0.2s var(--ease)}.nav-links a:hover{background:rgba(48,176,199,0.12)}.nav-links a.active{color:var(--primary-text)}.nav-cta{display:flex;align-items:center;gap:10px}.nav-cta .btn{padding:12px 24px;font-size:0.88rem}.nav-menu{display:none}.nav-toggle{display:none;width:44px;height:44px;border:none;background:transparent;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}.nav-toggle span{width:22px;height:2px;background:var(--indigo);border-radius:2px;transition:transform 0.3s var(--ease),opacity 0.2s var(--ease)}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (max-width:920px){.nav-links,.nav-cta .btn{display:none}.nav-toggle{display:flex}.nav-menu{position:absolute;top:84px;left:clamp(16px,4vw,28px);right:clamp(16px,4vw,28px);background:var(--lilac-white);border:1px solid var(--hairline);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);padding:16px;display:none;flex-direction:column;gap:4px}.nav-menu.open{display:flex}html:not(.js) .nav-toggle{display:none}html:not(.js) .nav{height:auto;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}html:not(.js) .nav-menu{display:flex;position:static;flex-basis:100%;border:none;box-shadow:none;margin-top:4px;padding:8px 0 4px}.nav-menu a{font-weight:600;color:var(--indigo);padding:14px 16px;border-radius:var(--r-md)}.nav-menu a:hover{background:rgba(48,176,199,0.12)}.nav-menu .btn{margin-top:8px;width:100%}}.hero{position:relative;background:var(--surface-dark);color:var(--canvas);border-radius:var(--r-xl);margin:8px clamp(16px,4vw,28px) 0;overflow:hidden;isolation:isolate}.hero-inner{max-width:var(--container);margin-inline:auto;padding:clamp(80px,12vw,150px) clamp(24px,5vw,56px);position:relative;z-index:2}.hero-glow{position:absolute;inset:0;z-index:1;background:radial-gradient(40% 50% at 78% 18%,rgba(48,176,199,0.42),transparent 70%),radial-gradient(36% 44% at 12% 92%,rgba(48,176,199,0.22),transparent 70%);pointer-events:none}.hero .eyebrow{margin-bottom:28px}.hero-keywords{display:flex;flex-wrap:wrap;gap:12px 14px;margin-bottom:30px}.hero-keywords span{font-size:clamp(2.4rem,6.4vw,5.2rem);font-weight:600;line-height:1.02;letter-spacing:-0.02em;color:var(--canvas)}.hero-keywords span.accent{color:transparent;-webkit-text-stroke:1.4px rgba(48,176,199,0.9);text-stroke:1.4px rgba(48,176,199,0.9)}.hero-lead{max-width:600px;font-size:clamp(1.05rem,1.6vw,1.3rem);font-weight:350;line-height:1.7;color:var(--muted-on-dark);margin-bottom:36px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px}.hero-dots span{position:absolute;border-radius:50%;z-index:1;opacity:0.85;animation:floatDot 9s ease-in-out infinite;will-change:transform,opacity}.hero-dots span:nth-child(1){animation-duration:8s;animation-delay:0s}.hero-dots span:nth-child(2){animation-duration:11s;animation-delay:-2s}.hero-dots span:nth-child(3){animation-duration:7s;animation-delay:-4s}.hero-dots span:nth-child(4){animation-duration:12s;animation-delay:-1s}.hero-dots span:nth-child(5){animation-duration:9.5s;animation-delay:-3s}@keyframes floatDot{0%{transform:translate(0,0) scale(1);opacity:0.5}25%{transform:translate(14px,-18px) scale(1.25);opacity:0.95}50%{transform:translate(-10px,-32px) scale(0.9);opacity:0.7}75%{transform:translate(-18px,-12px) scale(1.15);opacity:0.9}100%{transform:translate(0,0) scale(1);opacity:0.5}}.grid{display:grid;gap:var(--s-xl)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width:980px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.card{background:var(--lilac-white);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:var(--s-xxl);transition:transform 0.25s var(--ease),box-shadow 0.25s var(--ease)}a.card:hover{transform:translateY(-4px);box-shadow:var(--glow),var(--shadow-soft)}.card-num{display:inline-flex;font-size:0.8rem;font-weight:600;letter-spacing:0.1em;color:var(--primary-text);margin-bottom:14px}.card h3{margin-bottom:10px}.card p{color:var(--muted);font-size:0.96rem}.feature-card{background:var(--lilac-white);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;transition:transform 0.25s var(--ease),box-shadow 0.25s var(--ease);display:flex;flex-direction:column}a.feature-card:hover{transform:translateY(-4px);box-shadow:var(--glow),var(--shadow-soft)}.feature-card .thumb{aspect-ratio:16 / 10;background:var(--lavender);overflow:hidden}.feature-card .thumb img{width:100%;height:100%;object-fit:cover}.feature-card .body{padding:var(--s-xl)}.feature-card .card-num{margin-bottom:8px}.feature-card h3{margin-bottom:8px;transition:color 0.2s var(--ease)}a.feature-card:hover h3{color:var(--primary-text)}.feature-card p{color:var(--muted);font-size:0.94rem}.feature-card.overlay{position:relative;aspect-ratio:4 / 5;background:var(--surface-dark)}.feature-card.overlay .thumb{position:absolute;inset:0;z-index:0;aspect-ratio:auto;height:100%;background:var(--surface-dark)}.feature-card.overlay .thumb img,.feature-card.overlay .thumb video{width:100%;height:100%;object-fit:cover;display:block}.feature-card.overlay .body{position:absolute;left:0;right:0;top:0;z-index:2;padding:var(--s-xl) 18px}.feature-card.overlay h3{color:#fff}.feature-card.overlay p{color:rgba(255,255,255,0.82);font-size:0.86rem;letter-spacing:-0.01em}.feature-card.overlay .card-num{color:var(--primary)}a.feature-card.overlay:hover h3{color:var(--primary)}.split{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(32px,6vw,72px);align-items:center}.split.reverse{grid-template-columns:1.25fr 1fr}.split.reverse .split-media{order:2}@media (max-width:860px){.split{grid-template-columns:1fr}.split.reverse{grid-template-columns:1fr}.split.reverse .split-media{order:0}.home-rd .split-media{order:0}.home-rd .split-body{order:1}}.split-media img{width:100%;max-width:85%;margin:0 auto;display:block;border-radius:var(--r-lg);box-shadow:var(--shadow-soft)}.split-media--large img{max-width:100%}.split-media--message img{max-width:70%;aspect-ratio:1 / 1;object-fit:cover;object-position:50% 22%}.split-media--plain img{max-width:280px;border-radius:0;box-shadow:none}@media (max-width:860px){.split-media--plain img{max-width:230px}}.split-body .eyebrow{margin-bottom:18px}.split-body .h2{margin-bottom:18px}.split-body > p{color:var(--muted);margin-bottom:22px}.usap-intro{margin-bottom:clamp(36px,5vw,56px)}.point-list{display:grid;gap:18px;margin-bottom:26px}.point{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}.point .pn{flex-shrink:0;width:38px;height:38px;display:grid;place-items:center;background:var(--lavender);color:var(--indigo);font-weight:600;font-size:0.85rem;border-radius:var(--r-full)}.point h3{font-size:1.02rem;font-weight:600;margin-bottom:4px;color:var(--ink)}.point p{color:var(--muted);font-size:0.94rem}.logo-marquee{overflow:hidden;width:100%;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}.logo-track{display:flex;width:max-content;animation:logo-scroll 35s linear infinite}.logo-marquee:hover .logo-track{animation-play-state:paused}.logo-item{flex:0 0 auto;width:240px;height:150px;display:grid;place-items:center;padding:0 36px}.logo-item img{max-height:84px;max-width:100%;object-fit:contain;filter:grayscale(0.1)}.logo-item--lg{width:320px}@keyframes logo-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}@media (prefers-reduced-motion:reduce){.logo-track{animation:none}}.partnership-grid .card{min-width:0}.partnership-grid .logo-wall{flex:0 0 auto;width:100%}.partnership-grid .cell{display:grid;place-items:center;overflow:hidden;padding:14px 22px}.partnership-grid .cell img{width:auto;max-width:100%;max-height:62px;object-fit:contain}.partnership-grid .cell--fantasista{padding-block:8px}.partnership-grid .cell--fantasista img{max-height:74px}.partnership-grid .cell--yab img{max-width:90%;max-height:56px}.partnership-grid .cell--saver{padding-inline:10px}.partnership-grid .cell--saver img{max-height:70px}.news-list{border-top:1px solid var(--hairline)}.news-item{display:grid;grid-template-columns:130px 1fr auto;gap:24px;align-items:center;padding:22px 8px;border-bottom:1px solid var(--hairline);transition:background 0.2s var(--ease)}.news-item:hover{background:rgba(48,176,199,0.06)}.news-date{font-size:0.85rem;font-weight:600;color:var(--muted);letter-spacing:0.04em}.news-title{font-size:0.98rem;line-height:1.5}.news-item .chev{color:var(--primary-text);font-weight:600}@media (max-width:680px){.news-item{grid-template-columns:1fr;gap:6px;padding:18px 4px}.news-item .chev{display:none}}.tag{display:inline-block;font-size:0.68rem;font-weight:600;letter-spacing:0.06em;padding:4px 10px;border-radius:var(--r-full);background:var(--lavender);color:var(--indigo);margin-right:8px;vertical-align:middle}.article{max-width:760px}.article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}.article-meta .news-date{font-family:"Inter",sans-serif;font-size:0.9rem;font-weight:600;color:var(--muted)}.article-title{margin-bottom:0;font-size:clamp(1.6rem,3vw,2.1rem);font-weight:600;line-height:1.3;letter-spacing:-0.01em;color:var(--indigo)}.article-body{margin-top:32px}.article-body > * + *{margin-top:18px}.article-body h2{margin-top:44px;padding-bottom:10px;border-bottom:2px solid var(--primary);font-size:1.5rem;font-weight:600;line-height:1.3;letter-spacing:-0.005em;color:var(--indigo)}.article-body h3{margin-top:32px;font-size:1.1rem;font-weight:600;line-height:1.5;color:var(--indigo)}.article-body p{color:var(--ink)}.article-figure{margin:28px 0}.article-figure img{width:100%;border-radius:var(--r-lg);box-shadow:var(--glow)}.article-figure figcaption{margin-top:10px;font-size:0.85rem;color:var(--muted);text-align:center}.article-back{display:inline-flex;align-items:center;gap:8px;margin-top:48px;padding-top:28px;border-top:1px solid var(--hairline);font-weight:600;color:var(--indigo);font-size:0.95rem}.article-back::before{content:"←";transition:transform 0.2s var(--ease)}.article-back:hover{color:var(--primary-text)}.article-back:hover::before{transform:translateX(-4px)}.cta-band{background:var(--lavender);border-radius:var(--r-xl);margin:0 clamp(16px,4vw,28px) clamp(40px,6vw,72px);padding:clamp(56px,8vw,96px) clamp(24px,5vw,56px);text-align:center}.cta-band .h1{color:var(--indigo);margin-bottom:18px}.cta-keyword{font-size:clamp(2.4rem,6.4vw,5.2rem);font-weight:600;line-height:1.02;letter-spacing:-0.02em;margin-bottom:18px;color:transparent;-webkit-text-stroke:1.4px var(--primary-text);text-stroke:1.4px var(--primary-text)}.cta-band p{color:rgba(60,49,91,0.75);max-width:560px;margin:0 auto 30px}.cta-band .actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}.cta-band.deep{background:var(--indigo)}.cta-band.deep .h1{color:var(--canvas)}.cta-band.deep p{color:rgba(255,255,255,0.7)}.page-head{padding:clamp(56px,8vw,96px) 0 clamp(28px,4vw,44px);text-align:center}.page-head .kicker{font-size:0.85rem;font-weight:600;letter-spacing:0.32em;text-transform:uppercase;color:var(--primary-text);margin-bottom:14px}.page-head .h1{margin-bottom:16px}.page-head .lead{max-width:640px;margin-inline:auto}.info-table{width:100%;border-collapse:collapse}.info-table th,.info-table td{text-align:left;padding:18px 4px;border-bottom:1px solid var(--hairline);vertical-align:top;font-size:0.96rem}.info-table th{width:200px;font-weight:600;color:var(--indigo)}.info-table td{color:var(--muted)}.info-table td.affiliations a{color:var(--primary-text);text-decoration:underline;text-underline-offset:3px}@media (max-width:620px){.info-table th,.info-table td{display:block;width:100%;padding:6px 4px}.info-table th{border-bottom:none;padding-top:16px}.info-table td{border-bottom:1px solid var(--hairline);padding-bottom:16px}}.member{background:var(--lilac-white);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:var(--s-xl);transition:transform 0.2s var(--ease),box-shadow 0.2s var(--ease)}a.member:hover{transform:translateY(-3px);box-shadow:var(--glow)}.member .avatar{width:144px;height:144px;border-radius:var(--r-full);object-fit:cover;margin:0 auto 16px;background:var(--lavender)}.member .avatar.placeholder{display:grid;place-items:center;font-size:1.6rem;font-weight:600;color:var(--indigo)}.member .role{font-size:0.78rem;font-weight:600;letter-spacing:0.08em;color:var(--primary-text);text-transform:uppercase;margin-bottom:4px;text-align:center}.member h3{font-size:1.1rem;margin-bottom:12px;text-align:center}.member p{font-size:0.9rem;color:var(--muted);line-height:1.6}.history-layout{display:grid;grid-template-columns:minmax(220px,0.65fr) minmax(0,1.35fr);gap:clamp(56px,8vw,112px);align-items:start}.history-head{margin-bottom:0}.timeline{position:relative;max-width:none;border-top:1px solid var(--hairline)}.timeline::before{content:none}.timeline-item{position:relative;display:grid;grid-template-columns:minmax(112px,0.28fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);padding:22px 0;border-bottom:1px solid var(--hairline)}.timeline-item::before{content:none}.timeline-item .ti-date{font-size:0.82rem;font-weight:600;color:var(--primary-text);letter-spacing:0.04em}.timeline-item .ti-body{font-size:0.98rem;color:var(--ink)}@media (max-width:720px){.history-layout{display:block}.history-head{margin-bottom:clamp(36px,5vw,56px)}.timeline{max-width:640px;border-top:0}.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--hairline)}.timeline-item{display:block;padding:0 0 28px 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figcaption{margin-top:12px;color:var(--ink);font-size:1rem;font-weight:600}.patent-fan{position:relative;display:grid;place-items:center;min-height:clamp(340px,44vw,540px);margin-top:10px;isolation:isolate}.patent-fan img{grid-area:1 / 1;width:clamp(170px,24vw,300px);height:auto;border-radius:4px;box-shadow:0 24px 44px -28px rgba(16,59,68,0.45);transform-origin:50% 100%}.patent-fan img:nth-child(1){z-index:1;transform:translateY(-18px)}.patent-fan img:nth-child(2){z-index:3;transform:translateX(-58%) translateY(28px) rotate(-12deg)}.patent-fan img:nth-child(3){z-index:2;transform:translateX(58%) translateY(28px) rotate(12deg)}@media (max-width:620px){.patent-fan{min-height:clamp(300px,92vw,430px)}.patent-fan img{width:clamp(135px,40vw,195px)}.patent-fan img:nth-child(1){transform:translateY(-18px)}.patent-fan img:nth-child(2){transform:translateX(-42%) translateY(24px) rotate(-10deg)}.patent-fan img:nth-child(3){transform:translateX(42%) translateY(24px) 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span{animation:none;opacity:0.7}.cards-deal .feature-card{transform:none;transition:none}}html:not(.js) .reveal{opacity:1;transform:none;transition:none}html:not(.js) .cards-deal .feature-card{transform:none;transition:none}