@font-face{font-family:Sports;src:url(assets/OpenAISans-Regular.woff2);font-weight:400;font-display:swap}
@font-face{font-family:Sports;src:url(assets/OpenAISans-Semibold.woff2);font-weight:600;font-display:swap}
@font-face{font-family:Sports;src:url(assets/OpenAISans-Bold.woff2);font-weight:700;font-display:swap}
:root{--navy:#080f1d;--paper:#eef3fa;--white:#f6f9ff;--ink:#111b30;--muted:#b2c1d9;--blue:#78c6ff;--electric:#a0d8ff;--line:#26374d;font-family:Sports,sans-serif;color:var(--white);background:var(--navy);scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body,h1,h2,h3,p,figure,dl,dd{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{display:block;max-width:100%;height:auto}
:focus-visible{outline:3px solid #3288ed;outline-offset:5px}
::selection{background:#9cd2ff;color:#09162c}
.wrap{width:min(1220px,calc(100% - 100px));margin-inline:auto}
.skip{position:absolute;top:10px;left:10px;transform:translateY(-180%);z-index:5;background:white;color:#101b2f;padding:12px}
.skip:focus{transform:none}
.header{border-bottom:1px solid var(--line)}
.header-inner{height:78px;display:flex;justify-content:space-between;align-items:center}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:700;font-size:21px;white-space:nowrap}
.brand img{border-radius:50%}
nav{display:flex;gap:30px;align-items:center;font-size:14px;font-weight:600}
nav>a:not(.button):hover,.plain:hover,footer a:hover{text-decoration:underline;text-underline-offset:5px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:15px 21px;border-radius:8px;font-weight:700;font-size:15px;white-space:nowrap;transition:background .2s,color .2s}
.button.small{font-size:14px;padding:10px 15px}
.button span,.subnav span{font-size:18px;line-height:1}
.outline{border:1px solid #4b637f;color:var(--white)}
.outline:hover{background:#1b304b}
.primary{background:var(--electric);color:#0b2042}
.primary:hover{background:#d0edff}
.hero{overflow:hidden}
.hero-layout{min-height:614px;display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;padding:48px 0 38px}
.hero-copy{position:relative;z-index:1}
h1,h2,h3{font-weight:700;letter-spacing:-.04em}
h1{font-size:clamp(57px,6.85vw,96px);line-height:.99}
h1 em{font-style:normal;color:var(--blue)}
.hero-copy p{color:var(--muted);max-width:400px;margin-top:26px;font-size:19px;line-height:1.58}
.actions{margin-top:28px;display:flex;align-items:center;flex-wrap:wrap;gap:15px 23px}
.plain{color:var(--white);font-weight:600;font-size:14px}
.hero-art{height:510px;position:relative;overflow:hidden;border-radius:20px;background:linear-gradient(135deg,#111e32a0,#0a193174),url(assets/tatame.webp) center 58% / cover #122642;isolation:isolate}
.hero-art::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,#080f1dbb,transparent 32%);z-index:3}
.hero-image{position:absolute;overflow:hidden;border-radius:18px;background:#080b11;box-shadow:0 22px 54px #050915a0}
.hero-image img{width:100%}
.main-screen{z-index:2;width:57%;top:51px;left:11%;transform:rotate(-5deg)}
.second-screen{z-index:1;width:51%;top:115px;right:5%;transform:rotate(8deg)}
.subnav{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.subnav a{display:flex;align-items:center;justify-content:space-between;padding:22px 26px;font-weight:600;font-size:14px}
.subnav a:first-child{padding-left:0}
.subnav a+a{border-left:1px solid var(--line)}
.subnav a span{color:var(--blue)}
.subnav a:hover{color:var(--blue)}
.light{background:var(--paper);color:var(--ink)}
.features{padding:86px 0 97px}
.section-intro{display:grid;grid-template-columns:1.15fr .85fr;align-items:end;gap:28px;margin-bottom:39px}
h2{font-size:clamp(40px,5.2vw,72px);line-height:1.03}
.section-intro p,.panel-copy p,.grad-copy>p{font-size:18px;line-height:1.65;max-width:38ch}
.section-intro p,.panel-copy p{color:#3c4c66}
.explorer{scroll-margin-top:18px}
.tablist{display:flex;gap:28px;border-bottom:1px solid #b7c8df;overflow-x:auto}
.tablist button{border:0;border-bottom:3px solid transparent;background:transparent;color:#394e6b;padding:14px 3px;font-weight:600;white-space:nowrap;cursor:pointer}
.tablist button[aria-selected="true"]{border-color:#155fc5;color:#0b4eab;font-weight:700}
.tablist button:focus-visible{outline-offset:-4px}
.panel{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center;min-height:430px;padding-top:26px}
.panel[hidden]{display:none}
.panel-copy{padding:22px 0}
h3{font-size:clamp(33px,4vw,53px);line-height:1.08;max-width:12ch}
.panel-copy p{margin-top:18px}
.panel-media{height:415px;overflow:hidden;background:#142746 url(assets/tatame.webp) center 65% / cover;border-radius:16px;display:flex;justify-content:center;padding-top:30px}
.panel-media img{width:min(68%,380px);height:max-content;border-radius:14px;box-shadow:0 14px 50px #040a1880}
.graduation{padding:90px 0}
.grad-grid{display:grid;grid-template-columns:1fr 1fr;gap:68px;align-items:center}
.grad-copy>p{margin:22px 0 26px;color:var(--muted)}
.grad-copy dl>div{border-top:1px solid var(--line);padding:14px 0;display:grid;grid-template-columns:135px 1fr;gap:10px}
dt{color:var(--blue);font-weight:600}
dd{color:var(--muted);line-height:1.5}
.grad-media{height:570px;background:linear-gradient(#142b5060,#080f1db8),url(assets/tatame.webp) center / cover;border-radius:18px;display:flex;justify-content:center;overflow:hidden;padding:29px 24px 0}
.grad-media img{width:min(86%,389px);height:max-content;border-radius:14px;box-shadow:0 20px 45px #02081790}
footer{border-top:1px solid var(--line)}
.footer-inner{min-height:85px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:14px}
.footer-inner .brand{color:var(--white)}
@media(max-width:1080px){
  .wrap{width:calc(100% - 72px)}
  .hero-layout{min-height:555px;gap:24px}
  .hero-art{height:450px}
}
@media(max-width:760px){
  .wrap{width:calc(100% - 38px)}
  .header-inner{height:66px}
  .brand{font-size:18px}
  .brand img{width:32px}
  nav>a:not(.button){display:none}
  .button.small{font-size:12px;padding:9px 10px;gap:6px}
  .hero-layout,.section-intro,.panel,.grad-grid{grid-template-columns:1fr}
  .hero-layout{padding-top:46px;padding-bottom:22px;gap:29px}
  h1{font-size:clamp(49px,11.7vw,78px);max-width:10ch}
  .desktop{display:none}
  .hero-copy p{font-size:17px;margin-top:19px}
  .actions{margin-top:23px}
  .hero-art{height:clamp(265px,74vw,420px)}
  .main-screen{top:31px}
  .second-screen{top:66px}
  .subnav a{padding:14px 7px;font-size:11px;gap:5px;line-height:1.25}
  .subnav a span{font-size:14px}
  .features,.graduation{padding:55px 0}
  .section-intro{gap:15px;margin-bottom:23px}
  .section-intro p,.panel-copy p,.grad-copy>p{font-size:16px}
  .tablist{gap:15px}
  .tablist button{font-size:13px;padding-block:11px}
  .panel{gap:20px;padding-top:15px;min-height:0}
  .panel-copy{padding:8px 0 0}
  h3{max-width:17ch}
  .panel-copy p{margin-top:11px}
  .panel-media{height:325px}
  .panel-media img{width:min(86%,355px)}
  .grad-grid{gap:25px}
  .grad-copy dl>div{grid-template-columns:110px 1fr;font-size:14px}
  .grad-media{height:470px}
  .grad-media img{width:min(100%,355px)}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}