@charset "UTF-8";
:root{--blue:#3347ed;--ink:#1e2433;--muted:#646a77;--line:#dddfe4;--serif:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",Georgia,serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:#fff;color:var(--ink);font-family:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:15px;line-height:1.9;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:6px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:400}img{display:block;max-width:100%;height:auto}p{overflow-wrap:anywhere}section[id]{scroll-margin-top:30px}.section{max-width:1200px;padding:0 56px;margin:auto}.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:600;line-height:1.5;color:var(--muted)}.skip{position:fixed;left:16px;top:-100px;background:white;z-index:100;padding:14px}.skip:focus{top:16px}.header{height:92px;display:flex;align-items:center;padding:0 5%;gap:35px;border-bottom:1px solid #eee;background:#fff;position:relative;z-index:20}.brand{display:flex;align-items:center;gap:16px;flex-shrink:0}.brand img{width:132px;height:auto}.brand>span{font-size:11px;letter-spacing:.2em;border-left:1px solid var(--line);padding-left:16px}.desktop-nav{margin-left:auto;display:flex;gap:30px;font-size:13px}.desktop-nav a{padding:10px 0}.desktop-nav a:hover{color:var(--blue)}.languages{display:flex;gap:10px;align-items:center;font-size:12px;white-space:nowrap}.languages a{padding:4px 0;color:#7b7b84}.languages a[aria-current]{color:var(--blue);border-bottom:1px solid var(--blue)}.languages>span{color:#ccc}.mobile-menu{display:none}.hero{min-height:610px;height:calc(85svh - 92px);max-height:840px;position:relative;overflow:hidden;background:#edf1f7}.hero-copy{position:relative;z-index:2;padding:130px 9% 100px}.hero-copy .eyebrow{color:#344fa2}.hero h1{font-family:var(--serif);font-size:clamp(35px,4vw,62px);line-height:1.7;letter-spacing:.06em;margin:30px 0 24px}.hero-copy>p:last-child{font-size:14px;letter-spacing:.15em}.hero-art{position:absolute;inset:0;background:radial-gradient(ellipse at 82% 20%,#fff 0,transparent 50%),linear-gradient(120deg,#f5f6f8 20%,#ecf0fb 60%,#c1d2f1)}.hero-caption{position:absolute;bottom:28px;left:5%;font-size:9px;letter-spacing:.2em;color:#485a7a}.intro{display:grid;grid-template-columns:1fr 2fr;gap:50px;padding-top:80px;padding-bottom:65px;align-items:start}.intro>.eyebrow{font-size:21px;color:var(--ink);font-family:var(--serif);letter-spacing:.08em}.intro>p:last-child{font-size:16px;line-height:2.3;max-width:720px}.index-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.index-nav a{padding:24px 0;border-top:1px solid var(--line);display:flex;align-items:center;gap:13px;font-size:13px}.index-nav a>span{font-size:10px;color:var(--muted)}.index-nav b{margin-left:auto;font-weight:400}.index-nav a:hover{color:var(--blue);border-color:var(--blue)}.philosophy{padding-top:120px;padding-bottom:130px;display:grid;grid-template-columns:1fr 1fr;gap:50px}.section-heading h2,.message h2,.games-mission h2{font-family:var(--serif);font-size:36px;letter-spacing:.04em;line-height:1.8;margin:24px 0}.body-copy{padding-top:45px}.body-copy p+p,.message-copy p+p{margin-top:22px}.values{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:22px}.values>div{border-top:1px solid var(--line);padding:25px 0 0}.values span{font-size:11px;color:var(--blue)}.values h3{font-size:25px;font-family:var(--serif);margin:15px 0}.values p{font-size:13px;color:var(--muted);max-width:260px}.message{background:#f4f5f7;display:grid;grid-template-columns:1fr 1fr;min-height:680px}.message-art{position:relative;overflow:hidden;background:#e9edf5;min-height:650px}.message-copy{padding:80px max(45px,calc((100vw - 1088px)/2)) 75px 65px}.message h2{font-size:30px}.message-copy>p:not(.eyebrow):not(.signature){font-size:14px;line-height:2.1}.signature{font-size:26px;font-weight:600;letter-spacing:-1px;margin-top:30px!important}.activities{padding-top:115px;padding-bottom:90px}.section-heading>p:last-child:not(.eyebrow){color:var(--muted);font-size:14px;max-width:700px}.services{margin-top:50px;display:flex;flex-direction:column;gap:65px}.services article{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.services article:nth-child(2) .art{order:2}.service-copy h3{font-family:var(--serif);font-size:25px;line-height:1.6;margin:12px 0 18px}.service-copy>p:not(.eyebrow):not(.service-name){font-size:14px;line-height:2.1;color:#535967}.service-name{font-size:18px;letter-spacing:.02em;margin-top:17px}.text-link{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:13px;border-bottom:1px solid #9a9da5;padding:18px 0 15px;margin-top:16px;max-width:360px}.text-link:hover{color:var(--blue);border-color:var(--blue)}.text-link span{font-size:20px}.art{position:relative;aspect-ratio:1.35;overflow:hidden}.art-academic{background:#e9edf7}.art-games{background:#e5eaff}.art-illustration{background:#f4eae8}.outline{padding-top:45px;padding-bottom:110px;display:grid;grid-template-columns:1fr 2fr;gap:60px}.outline dl{margin:0}.outline dl>div{display:grid;grid-template-columns:130px 1fr;gap:25px;border-top:1px solid var(--line);padding:24px 0;font-size:14px}.outline dl>div:last-child{border-bottom:1px solid var(--line)}.outline dt{color:var(--muted)}.outline dd{margin:0}.outline a:hover{color:var(--blue)}.history{font-size:13px;color:var(--muted);margin-top:30px;line-height:2}.history span{color:var(--blue);display:block;letter-spacing:.12em;margin-bottom:8px}.contact{border-top:1px solid var(--line);padding-top:55px;padding-bottom:60px;display:flex;justify-content:space-between;gap:40px;align-items:center}.contact h2{font-family:var(--serif);font-size:29px;margin:12px 0}.contact p:last-child{font-size:13px;color:var(--muted);max-width:450px}.contact-link{font-size:clamp(18px,2.3vw,30px);white-space:nowrap;border-bottom:1px solid var(--line);padding:14px 0;letter-spacing:.02em}.contact-link span{margin-left:25px}.contact-link:hover{color:var(--blue)}.footer{padding:55px max(5%,calc((100vw - 1088px)/2)) 28px;background:#f5f6f8;display:grid;grid-template-columns:1fr 1fr;gap:40px}.footer-brand{font-size:35px;letter-spacing:-1px;font-weight:600;color:var(--blue)}.footer-brand span{display:block;font-size:11px;color:var(--muted);letter-spacing:.04em;font-weight:400;margin-top:8px}.footer>div{display:flex;flex-direction:column;align-items:flex-end;gap:12px;font-size:12px}.footer>p,.footer>a:last-child{font-size:10px;color:var(--muted);letter-spacing:.05em}.footer>a:last-child{text-align:right}.games-hero{position:relative;overflow:hidden;padding-top:100px;padding-bottom:110px;max-width:none;padding-left:max(56px,calc((100vw - 1088px)/2));padding-right:max(56px,calc((100vw - 1088px)/2));background:#f0f2fc}.games-hero h1{font-family:var(--serif);font-size:clamp(36px,4.3vw,64px);line-height:1.6;margin:25px 0;position:relative;z-index:1}.games-hero>p:not(.eyebrow){max-width:520px;font-size:14px;position:relative;z-index:1}.round-link{display:grid;place-items:center;border:1px solid #b8bed6;width:50px;height:50px;border-radius:50%;margin-top:35px;position:relative;z-index:1}.game-list{padding-top:80px;padding-bottom:100px}.game-section-title{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:45px}.game-section-title h2{font-family:var(--serif);font-size:30px}.game-section-title p{font-size:12px;color:var(--muted)}.game{display:grid;grid-template-columns:1.2fr 1fr;gap:65px;align-items:center;padding:40px 0;border-top:1px solid var(--line)}.game-picture{display:block;overflow:hidden;background:#eef0f5;aspect-ratio:998/720}.game-picture img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.game-picture:hover img{transform:scale(1.025)}.game-copy h3{font-size:48px;letter-spacing:-.03em;margin:12px 0}.game-copy>p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:2}.game-domain{display:block;font-size:10px;letter-spacing:.08em;color:var(--muted);margin-top:15px}.games-mission{background:#f5f6fa;max-width:none;text-align:center;padding:75px 24px 85px}.games-mission>p:not(.eyebrow){max-width:640px;margin:auto;font-size:14px;line-height:2.1}.games-mission .text-link{margin:25px auto 0}.games-page .contact{border:0}.games-page .footer-brand>span{max-width:320px}
html[lang=en] h1{letter-spacing:-.035em;line-height:1.25}html[lang=en] h2,html[lang=en] h3{letter-spacing:-.025em;line-height:1.35}html[lang=en] .hero-copy>p:last-child{letter-spacing:.01em}html[lang=en] .hero h1{font-size:clamp(40px,5vw,76px);max-width:800px}html[lang=en] .desktop-nav{gap:22px}html[lang=en] .service-copy h3{font-size:29px}html[lang=en] .hero-copy{padding-top:145px}
@media(min-width:1600px){.hero-copy{padding-left:max(9%,calc((100vw - 1200px)/2))}}
@media(max-width:1000px){.header{gap:22px}.desktop-nav{gap:18px;font-size:12px}.section{padding-left:35px;padding-right:35px}.hero-copy{padding-left:7%}.hero h1{font-size:43px}.message-copy{padding:55px 35px}.message h2{font-size:25px}.services article{gap:40px}.outline{gap:40px}.game{gap:35px}.contact-link{font-size:22px}.games-hero{padding-left:40px;padding-right:40px}html[lang=en] .desktop-nav{gap:15px;font-size:11px}}
@media(max-width:760px){html{scroll-padding-top:30px}.header{height:75px;padding:0 24px;gap:22px}.brand img{width:113px}.brand>span{font-size:9px;letter-spacing:.1em;padding-left:10px}.brand{gap:10px}.desktop-nav{display:none}.languages{margin-left:auto}.mobile-menu{display:block}.mobile-menu summary{list-style:none;cursor:pointer;width:24px;height:24px;display:flex;flex-direction:column;justify-content:center;gap:6px}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary span{height:1px;background:var(--ink);width:22px}.mobile-menu[open] summary span:first-child{transform:translateY(3.5px) rotate(45deg)}.mobile-menu[open] summary span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.mobile-menu nav{position:absolute;left:0;right:0;top:75px;background:#fff;box-shadow:0 14px 20px #101b3412;padding:20px 25px 30px}.mobile-menu nav a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:15px}.section{padding-left:25px;padding-right:25px}.hero{height:610px;min-height:0;max-height:none}.hero-copy,html[lang=en] .hero-copy{padding:65px 26px}.hero h1{font-size:33px;line-height:1.8;margin:25px 0 20px;letter-spacing:.025em}html[lang=en] .hero h1{font-size:43px;line-height:1.25}.hero-copy>p:last-child{font-size:12px;letter-spacing:.03em}.hero-art{background:linear-gradient(140deg,#f4f6fa 20%,#e7edfa 65%,#b7c7ea)}.hero-caption{left:26px;bottom:20px;font-size:8px}.intro{grid-template-columns:1fr;gap:20px;padding-top:45px;padding-bottom:40px}.intro>.eyebrow{font-size:23px}.intro>p:last-child{font-size:14px;line-height:2.1}.index-nav{grid-template-columns:1fr 1fr;gap:0 22px}.index-nav a{font-size:12px;padding:18px 0}.philosophy{padding-top:65px;padding-bottom:70px;grid-template-columns:1fr;gap:10px}.section-heading h2,.games-mission h2{font-size:29px;margin:18px 0}.body-copy{padding-top:8px;font-size:14px;line-height:2.1}.values{gap:15px;margin-top:30px}.values h3{font-size:21px}.values p{font-size:11px;line-height:1.9}.message{grid-template-columns:1fr}.message-art{min-height:0;height:360px}.message-copy{padding:45px 25px 55px}.message h2{font-size:29px;margin:18px 0 25px}.activities{padding-top:65px;padding-bottom:60px}.services{gap:45px;margin-top:30px}.services article{grid-template-columns:1fr;gap:25px}.services article:nth-child(2) .art{order:0}.art{aspect-ratio:1.45}.service-copy h3{font-size:24px}.service-name{font-size:17px;margin-top:12px}.text-link{max-width:none}.outline{grid-template-columns:1fr;gap:20px;padding-top:10px;padding-bottom:65px}.outline dl>div{grid-template-columns:85px 1fr;gap:16px;font-size:13px;padding:20px 0}.history{font-size:12px}.contact{flex-direction:column;align-items:flex-start;gap:22px;padding-top:40px;padding-bottom:45px}.contact-link{font-size:23px}.contact h2{font-size:26px}.footer{padding:40px 25px 24px;gap:30px}.footer-brand{font-size:30px}.footer>div{font-size:11px;gap:16px}.footer-brand span{font-size:10px;line-height:1.9}.games-hero{padding:65px 25px 60px}.games-hero h1{font-size:33px;line-height:1.7;margin:20px 0}.games-hero>p:not(.eyebrow){max-width:90%;font-size:13px}.game-section-title{display:block;margin-bottom:20px}.game-section-title h2{font-size:27px;margin-bottom:8px}.game-list{padding-top:45px;padding-bottom:55px}.game{grid-template-columns:1fr;gap:25px;padding:30px 0 40px}.game-copy h3{font-size:39px;margin:10px 0}.game-copy .text-link{margin-top:10px}.games-mission{padding-top:50px;padding-bottom:55px}.games-mission h2{font-size:26px}.games-mission>p:not(.eyebrow){text-align:left;font-size:13px}.games-mission .text-link{max-width:320px}html[lang=en] .games-hero h1{font-size:39px;line-height:1.25}html[lang=en] .section-heading h2,html[lang=en] .message h2{font-size:30px}html[lang=en] .service-copy h3{font-size:27px}}
@media(max-width:370px){.header{padding:0 18px;gap:16px}.brand img{width:100px}.hero h1{font-size:29px}html[lang=en] .hero h1{font-size:37px}.games-hero h1{font-size:29px}.contact-link{font-size:21px}.values h3{font-size:19px}.brand>span{font-size:8px}}
@media(max-width:760px){html[lang=ja] .hero h1,html[lang=ja] .games-hero h1{font-size:clamp(23px,7vw,33px)}}
.photo{display:block;width:100%;height:100%;object-fit:cover}.hero-art{background:#efede7}.hero-art:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#f7f6f040,transparent 70%)}.hero-photo{object-position:center}.hero-copy .eyebrow{color:#414f5d}.hero-caption{color:#343c43;background:#ffffffb8;padding:3px 8px}.message-art{background:#e4e0d7}.message-photo{position:absolute;inset:0;object-position:62% center}.art .photo{object-position:center}.games-hero{background:#f3f1ed}.games-hero>h1,.games-hero>.eyebrow,.games-hero>p,.games-hero>.round-link{position:relative;z-index:2}.games-hero-photo{position:absolute;inset:0 0 0 48%;overflow:hidden}.games-hero-photo:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#f3f1ed 0%,#f3f1edc9 12%,transparent 75%)}.games-hero-photo .photo{object-position:60% center}
@media(max-width:760px){.hero-art{background:#f5f3ef}.hero-photo{position:absolute;bottom:0;height:62%;object-position:62% center}.hero-art:after{background:linear-gradient(180deg,#f5f3ef 26%,#f5f3efcc 37%,transparent 55%)}.hero-caption{left:25px;font-size:8px}.message-photo{object-position:center}.games-hero{padding-bottom:245px}.games-hero-photo{inset:0;top:auto;height:235px}.games-hero-photo:after{background:linear-gradient(180deg,#f3f1ed,transparent 42%)}.games-hero-photo .photo{object-position:center 66%}.games-hero>p:not(.eyebrow){max-width:100%}}
@media(min-width:761px){.hero-art:after{background:linear-gradient(90deg,#f4f8ffbd 0%,#f4f8ffa6 38%,#f4f8ff40 58%,transparent 76%)}.message-photo{object-position:center}}
.hero-art:after,.games-hero-photo:after{z-index:1}
@media(max-width:760px){.hero-photo{height:100%;object-position:60% center}.hero-art:after{background:linear-gradient(180deg,#f5f7fce8 0%,#f5f7fcd9 34%,#f5f7fc66 55%,transparent 78%)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.name-heading{font-family:var(--serif);font-size:23px;line-height:1.6;margin:36px 0 16px}
