:root {
  --black:#000;
  --ink:#0b0d12;
  --charcoal:#15171c;
  --orange:#ff5a00;
  --orange-soft:#ff8a42;
  --white:#fff;
  --off:#f5f5f3;
  --line:#deded9;
  --gray:#6f706c;
  --max:1180px;
  --shadow:0 24px 70px rgba(0,0,0,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--white);
  font-family:Arial,"Yu Gothic","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-feature-settings:"palt";
}
img{max-width:100%;display:block} a{color:inherit;text-decoration:none} button{font:inherit}
::selection{color:#fff;background:var(--orange)}
.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
.section{padding:112px 0}
.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;padding:10px 16px;color:#fff;background:#000;border-radius:6px}.skip-link:focus{top:16px}
.eyebrow{margin:0 0 17px;color:var(--orange);font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase}
h1,h2,h3,p{margin-top:0} h1,h2,h3{line-height:1.25} h2{margin:0;font-size:clamp(34px,4vw,58px);letter-spacing:-.045em}
.orange{color:var(--orange)}

.site-header{position:fixed;inset:0 0 auto;z-index:100;color:#fff;border-bottom:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.8);backdrop-filter:blur(18px);transition:.25s ease}
.site-header.is-light{color:var(--ink);border-color:rgba(0,0,0,.09);background:rgba(255,255,255,.94)}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;flex:0 0 auto}.brand img{width:150px;height:auto}
.site-header:not(.is-light) .logo-dark{display:none}.site-header.is-light .logo-light{display:none}
.nav{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:700;letter-spacing:.05em}.nav a{position:relative;padding:26px 0}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:2px;background:var(--orange);transition:right .2s ease}
.nav a:hover::after,.nav a:focus-visible::after,.nav a[aria-current="page"]::after{right:0}
.header-cta{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 19px;border-radius:5px;color:#fff!important;background:var(--orange);box-shadow:0 10px 26px rgba(255,90,0,.25)}.header-cta::after{display:none}
.menu-button{display:none;border:0;background:transparent;color:inherit;padding:8px}.menu-button span{display:block;width:24px;height:2px;margin:5px 0;background:currentColor}

.hero{position:relative;min-height:100svh;display:grid;align-items:center;overflow:hidden;color:#fff;background:linear-gradient(135deg,#000 0%,#070708 60%,#000 100%)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 85% 52%,rgba(255,90,0,.11),transparent 28%)}
.hero::after{content:"";position:absolute;right:7%;top:52%;width:min(36vw,520px);height:1px;background:linear-gradient(90deg,transparent,rgba(255,90,0,.5),#fff,rgba(255,90,0,.65),transparent);box-shadow:0 0 14px rgba(255,90,0,.75),0 0 44px rgba(255,90,0,.28);opacity:.7}
.hero-inner{position:relative;z-index:1;padding:150px 0 90px}
.hero-copy{max-width:840px}
.hero h1{margin:0;font-size:clamp(50px,6.1vw,88px);letter-spacing:-.065em;font-weight:700}
.hero-title-line{white-space:nowrap}.hero-en{margin:24px 0 0;color:#cececa;font-size:clamp(16px,1.45vw,21px);font-style:italic;letter-spacing:.02em}
.hero-lead{max-width:680px;margin:35px 0 0;color:#bebeba;font-size:17px}
.hero-actions{display:flex;align-items:center;gap:20px;margin-top:40px}
.button{display:inline-flex;min-height:54px;align-items:center;justify-content:center;padding:0 28px;border:1px solid transparent;border-radius:5px;font-weight:700;transition:.2s ease}.button:hover{transform:translateY(-2px)}
.button-primary{color:#fff;background:var(--orange);box-shadow:0 13px 36px rgba(255,90,0,.26)}.button-secondary{color:#fff;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.035)}
.hero-services{display:flex;flex-wrap:wrap;gap:10px 18px;margin:42px 0 0;padding:0;list-style:none;color:#aaa9a5;font-size:13px}.hero-services li:not(:last-child)::after{content:"";display:inline-block;width:1px;height:12px;margin-left:18px;background:var(--orange);vertical-align:-1px}

.intro{border-bottom:1px solid #ececea;background:#fff}.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:start}.intro-copy{color:var(--gray);font-size:17px}.intro-copy p:first-child{margin-top:8px}
.services{background:var(--off)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:54px}.section-heading>p{max-width:510px;margin:0 0 5px;color:var(--gray)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-card{min-height:430px;padding:36px 32px;border:1px solid #dddeda;background:#fff;transition:.25s ease}.service-card:hover{transform:translateY(-6px);border-color:#c9c9c5;box-shadow:var(--shadow)}.service-no{color:var(--orange);font-size:13px;font-weight:700;letter-spacing:.15em}.service-card h3{margin:80px 0 18px;font-size:26px;letter-spacing:-.03em}.service-card p{color:var(--gray)}.service-card ul{margin:28px 0 0;padding:24px 0 0;border-top:1px solid #ededeb;list-style:none}.service-card li{position:relative;padding-left:17px;margin:8px 0;font-size:14px}.service-card li::before{content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;background:var(--orange)}
.principle{position:relative;color:#fff;background:#050506;overflow:hidden}.principle::after{content:"";position:absolute;right:-12%;top:50%;width:52%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,90,0,.45),#fff,rgba(255,90,0,.5),transparent);box-shadow:0 0 20px rgba(255,90,0,.55);opacity:.55}.principle-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .8fr;gap:90px;align-items:center}.principle h2{font-size:clamp(46px,6vw,84px)}.principle-copy{color:#bcbcb8;font-size:17px}
.process{background:#fff}.process-list{margin-top:54px;border-top:1px solid #cfcfca}.process-item{display:grid;grid-template-columns:95px .85fr 1.3fr;gap:30px;align-items:start;padding:31px 0;border-bottom:1px solid #cfcfca}.process-item>span{color:var(--orange);font-size:13px;font-weight:700}.process-item h3{margin:0;font-size:23px}.process-item p{margin:0;color:var(--gray)}
.contact{position:relative;color:#fff;background:#000;overflow:hidden}.contact::after{content:"";position:absolute;inset:auto -16% -72% 28%;height:390px;background:radial-gradient(ellipse,rgba(255,90,0,.2),transparent 68%)}.contact-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:80px;align-items:center}.contact p{max-width:640px;color:#bcbcb8;font-size:17px}.contact-panel{padding:36px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.035)}.contact-label{color:#969692;font-size:12px;letter-spacing:.15em}.contact-email{display:block;margin-top:8px;font-size:clamp(19px,2vw,28px);font-weight:700;word-break:break-all}.contact-note{margin:20px 0 0!important;font-size:13px!important}

.page-hero{position:relative;padding:160px 0 84px;color:#fff;background:#000;overflow:hidden}.page-hero::after{content:"";position:absolute;right:8%;bottom:36%;width:min(36vw,480px);height:1px;background:linear-gradient(90deg,transparent,var(--orange),#fff,var(--orange),transparent);box-shadow:0 0 16px rgba(255,90,0,.65);opacity:.5}.page-hero h1{margin:0;font-size:clamp(46px,6vw,78px);letter-spacing:-.06em}.page-hero p:last-child{max-width:700px;margin:22px 0 0;color:#bdbdb9}
.company-section{background:#fff}.company-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:100px}.company-list{margin:0;border-top:1px solid var(--line)}.company-list>div{display:grid;grid-template-columns:135px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}.company-list dt{color:var(--gray);font-weight:400}.company-list dd{margin:0;font-weight:400}.company-list dd a{font-weight:400}.company-story{background:var(--off)}.story-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}.story-copy{color:var(--gray);font-size:17px}.back-link{display:inline-flex;margin-top:30px;align-items:center;gap:10px;font-weight:700}.back-link::before{content:"←";color:var(--orange)}

footer{padding:34px 0;color:#8d8d89;background:#000;border-top:1px solid rgba(255,255,255,.1)}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;font-size:12px}.footer-brand{color:#fff;font-weight:700;letter-spacing:.12em}.footer-links{display:flex;align-items:center;gap:22px}.footer-links a:hover{color:#fff}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}

@media(max-width:980px){
  .nav{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:16px 24px 26px;color:#fff!important;background:#080809}.nav.open{display:flex}.nav a{padding:14px 0}.nav a::after{bottom:7px}.menu-button{display:block;color:#fff}.site-header.is-light .menu-button{color:var(--ink)}.header-cta{margin-top:10px}
  .intro-grid,.principle-inner,.contact-inner,.company-layout,.story-grid{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr}.service-card{min-height:340px}.service-card h3{margin-top:54px}.section-heading{align-items:start;flex-direction:column}.process-item{grid-template-columns:60px 1fr}.process-item p{grid-column:2}.hero::after{right:-6%;width:48vw}.company-layout,.story-grid{gap:48px}
}
@media(max-width:640px){
  .container{width:min(calc(100% - 28px),var(--max))}.section{padding:80px 0}.header-inner{min-height:66px}.brand img{width:124px}.nav{top:66px}
  .hero-inner{padding:120px 0 76px}.hero h1{font-size:41px}.hero-title-line{white-space:normal}.hero-actions{flex-direction:column;align-items:stretch}.button{width:100%}.hero-services{display:block}.hero-services li{margin:7px 0}.hero-services li::after{display:none!important}.hero::after{right:-20%;top:68%;width:90vw;opacity:.42}
  .intro-grid{gap:44px}.process-item{grid-template-columns:40px 1fr;gap:16px}.company-list>div{grid-template-columns:1fr;gap:5px}.footer-inner{align-items:flex-start;flex-direction:column}.footer-links{flex-wrap:wrap}
  .page-hero{padding:128px 0 72px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}