:root{--color-bg:#fff;--color-bg-soft:#f5f5f2;--color-ink:#101820;--color-ink-muted:#606b74;--color-dark:#101820;--color-dark-ink:#f7f7f4;--color-border:#e2e5e5;--color-accent:#b6a18a;--content-max:1280px;--reading-max:760px;--gutter:clamp(20px,4vw,72px);--section-space:clamp(80px,11vw,158px);--radius-sm:4px;--radius-md:12px;--ease-standard:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--color-bg);color:var(--color-ink);font-family:Helvetica,Arial,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}p{font-size:16px;line-height:2;margin:0 0 24px}h1,h2,h3{margin:0;font-weight:500}a,button{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid #927b62;outline-offset:6px}.wrap{width:min(var(--content-max),calc(100% - var(--gutter)*2));margin-inline:auto}.section{padding-block:var(--section-space)}.eyebrow{font-size:10px;font-weight:600;letter-spacing:.14em;line-height:1.7}.accent{color:var(--color-accent)}.skip-link{position:absolute;top:-80px;left:20px;background:#fff;padding:15px;z-index:10}.skip-link:focus{top:10px}.site-header{display:flex;align-items:center;justify-content:space-between;min-height:112px;border-bottom:1px solid var(--color-border)}.brand{font-size:38px;font-weight:600;letter-spacing:-.07em;display:inline-flex;align-items:baseline;gap:12px}.brand-note{font-size:9px;letter-spacing:.02em;font-weight:400;color:var(--color-ink-muted)}nav{display:flex;align-items:center;gap:34px}nav a{font-size:14px;letter-spacing:.08em;font-weight:600;padding:12px 0;position:relative}nav a:after{content:"";position:absolute;bottom:5px;left:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s}nav a:hover:after,nav a.active:after{transform:scaleX(1)}nav .nav-contact{margin-left:17px}nav .nav-contact span{margin-left:22px}.menu-toggle{display:none}.hero{padding-top:75px}.hero-kicker{display:flex;align-items:center;gap:10px;margin-bottom:43px}.dot{width:6px;height:6px;background:var(--color-accent);border-radius:50%}h1{font-size:clamp(2rem,7.2vw,104px);font-weight:500;letter-spacing:-.065em;line-height:1.05}h1>span{display:block}.hero-second{display:flex;align-items:center;gap:0;margin-top:5px}.hero-line{height:1px;background:var(--color-border);flex:1;margin-left:55px}.hero-bottom{display:flex;align-items:flex-end;justify-content:space-between;margin-top:48px}.hero-jp{font-size:25px;letter-spacing:.08em;margin-bottom:14px}.hero-description{font-size:14px;color:var(--color-ink-muted);margin:0}.scroll-link{display:flex;gap:22px;align-items:center;font-size:9px;letter-spacing:.12em}.circle{width:42px;height:42px;border:1px solid var(--color-border);border-radius:50%;display:grid;place-items:center;font-size:17px;transition:transform .2s}.scroll-link:hover .circle{transform:translateY(4px)}.hero-foot{display:flex;justify-content:space-between;border-bottom:1px solid var(--color-border);padding-block:65px 21px;color:var(--color-ink-muted);font-size:9px}.section-label{display:flex;align-items:center;gap:22px;margin-bottom:52px}.section-number{font-size:10px;color:var(--color-ink-muted);font-family:Helvetica,Arial,sans-serif}.about{display:grid;grid-template-columns:1fr 2.3fr;gap:40px}.about .section-label{align-self:start;margin-top:9px}.about-content h2,h2{font-size:clamp(28px,3.1vw,44px);line-height:1.65;letter-spacing:.045em}.about-content{display:grid;grid-template-columns:1fr 1.25fr;gap:40px}.about-copy p{font-size:15px}.text-link{display:inline-flex;justify-content:space-between;align-items:center;gap:60px;font-size:12px;border-bottom:1px solid var(--color-border);padding:15px 0;transition:gap .2s}.text-link:hover{gap:70px}.text-link span{font-size:19px}.business{background:var(--color-bg-soft)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:62px}.section-heading p{font-size:14px;color:var(--color-ink-muted);margin-bottom:6px;width:38%}.business-row{display:grid;grid-template-columns:.22fr 1fr 1.05fr 40px;gap:34px;border-top:1px solid #d9dddb;padding-block:42px;align-items:start}.business-row:last-child{border-bottom:1px solid #d9dddb}.row-number{font-size:10px;color:var(--color-ink-muted);padding-top:5px}h3{font-size:clamp(23px,2.4vw,33px);line-height:1.15;letter-spacing:-.035em}.business-ja{display:block;font-size:11px;margin-top:17px;color:var(--color-ink-muted)}.business-copy p{font-size:14px;margin:0}.business-copy .service-note{font-size:11px;color:var(--color-ink-muted);margin-top:16px}.row-symbol{font-size:23px;text-align:right}.company{background:var(--color-bg-soft)}.company-grid{display:grid;grid-template-columns:1fr 2.3fr;gap:40px}.company .section-label{align-self:start;margin-top:9px}.company h2{margin-bottom:28px}.company p{font-size:14px}.company .prototype-detail{font-size:11px;color:var(--color-ink-muted);margin:0}.contact .section-label{margin-bottom:40px}.contact-grid{display:flex;justify-content:space-between;gap:50px;align-items:center}.contact h2{font-size:clamp(44px,6.4vw,85px);line-height:1.15;letter-spacing:-.06em}.contact-grid>div>p{font-size:13px;margin:22px 0 0}.contact-info{width:38%}.contact-status{display:flex;justify-content:space-between;border-bottom:1px solid var(--color-border);padding:17px 0;font-size:14px}.contact-status span{font-size:22px}.contact .contact-info p{font-size:11px;color:var(--color-ink-muted);line-height:1.9;margin-top:16px}.footer{background:var(--color-dark);color:var(--color-dark-ink);padding-block:55px 24px}.footer-main{display:flex;align-items:center;gap:58px;padding-bottom:48px}.footer .brand-note{color:#aab5bd}.footer-main p{font-size:12px;margin:0}.back-top{margin-left:auto;font-size:9px;letter-spacing:.1em;display:flex;gap:25px;align-items:center}.back-top span{font-size:19px}.footer-bottom{border-top:1px solid #35424c;padding-top:24px;display:flex;justify-content:space-between;gap:18px;font-size:9px;line-height:1.8;color:#b2bcc4}.reveal.is-revealed{animation:rise .6s var(--ease-standard) both}@keyframes rise{from{opacity:.2;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){h1{font-size:109px}}
@media(max-width:1024px){nav{gap:23px}.about{grid-template-columns:1fr}.about-content{grid-template-columns:1fr 1.2fr}.about .section-label{margin-bottom:5px}.business-row{gap:22px;grid-template-columns:35px 1fr 1.1fr 25px}.company-grid{grid-template-columns:.7fr 2fr}}
@media(max-width:767px){.site-header{min-height:84px;flex-wrap:wrap}.brand{font-size:32px}.brand-note{font-size:8px}.menu-toggle{display:none;border:0;background:none;font-size:10px;letter-spacing:.1em;padding:14px 0 14px 14px;align-items:center;gap:15px}.menu-toggle span{font-size:23px}.js .menu-toggle{display:flex}nav{width:100%;flex-wrap:wrap;gap:12px 22px;padding-bottom:20px}nav a{font-size:14px}nav .nav-contact{margin-left:0}.js nav{display:none}.js nav.is-open{display:flex}.hero{padding-top:55px}.hero-kicker{font-size:8px;letter-spacing:.1em;margin-bottom:32px}h1{font-size:clamp(26px,7.1vw,55px);letter-spacing:-.065em}.hero-second{margin-top:9px}.hero-line{margin-left:25px}.hero-bottom{margin-top:38px;display:block}.hero-jp{font-size:21px}.hero-description{font-size:13px}.scroll-link{margin-top:35px;justify-content:flex-end;font-size:8px}.circle{width:35px;height:35px}.hero-foot{padding-top:38px;font-size:7px;letter-spacing:.06em;gap:15px}.section-label{gap:17px;margin-bottom:35px}.eyebrow{font-size:9px}.about{gap:28px}.about-content{grid-template-columns:1fr;gap:28px}.about-content h2,h2{font-size:30px}.about-copy p{font-size:15px}.desktop-break{display:none}.text-link{font-size:12px}.section-heading{display:block;margin-bottom:38px}.section-heading p{margin-top:22px;width:auto;font-size:13px}.business-row{grid-template-columns:25px 1fr 20px;gap:18px;padding-block:32px}.business-row h3{font-size:27px}.business-copy{grid-column:2/4}.business-copy p{font-size:14px}.business-ja{font-size:11px;margin-top:12px}.row-symbol{grid-column:3;grid-row:1}.company-grid{grid-template-columns:1fr;gap:0}.company h2{margin-bottom:24px}.company p{font-size:14px}.contact-grid{display:block}.contact h2{font-size:clamp(43px,11vw,75px)}.contact-info{width:100%;margin-top:35px}.contact .contact-info p{font-size:12px}.footer-main{flex-wrap:wrap;gap:24px;justify-content:space-between;padding-bottom:35px}.footer-main p{font-size:11px}.back-top{width:100%;justify-content:flex-end}.footer-bottom{flex-direction:column;gap:8px;font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Official header logo: preserve the original SVG aspect ratio. */
.site-header .brand{align-items:center}
/* Preserve the previous centered logo clearance, then add 10px per side.
   The 1px bottom border is included in the border-box minimum height. */
.site-header{min-height:124px;padding-block:25.5px}
.header-logo{display:block;width:auto;height:72px}
.footer-logo{display:block;width:auto;height:128px}
@media(max-width:767px){
  .site-header{min-height:98.4px;padding-block:23.5px}
  .header-logo{height:50.4px}
  .footer-logo{height:112px}
}

/* Full-width photographic hero; keep all changes scoped to the main visual. */
.hero.wrap{
  width:100%;
  max-width:none;
  margin-inline:0;
  padding-inline:max(var(--gutter),calc((100% - var(--content-max))/2));
  padding-top:clamp(75px,11vh,150px);
  padding-bottom:24px;
  min-height:max(660px,calc(100vh - 112px));
  min-height:max(660px,calc(100svh - 112px));
  display:flex;
  flex-direction:column;
  color:#fff;
  background-color:var(--color-dark);
  background-image:linear-gradient(rgba(5,12,24,.24),rgba(5,12,24,.38)),url("26989864_l.jpg");
  background-size:cover;
  background-position:center 45%;
  background-repeat:no-repeat;
}
.hero .hero-description,.hero .hero-foot{color:#fff}
.hero .hero-line{background:rgba(255,255,255,.4)}
.hero .circle{border-color:rgba(255,255,255,.5)}
.hero .hero-foot{margin-top:auto;border-color:rgba(255,255,255,.3)}
@media(max-width:767px){
  .hero.wrap{
    min-height:max(580px,calc(100vh - 84px));
    min-height:max(580px,calc(100svh - 84px));
    padding-top:60px;
    padding-bottom:20px;
    background-position:58% center;
  }
  .hero h1{font-size:clamp(26px,7.1vw,55px)}
  .hero .hero-foot{padding-top:38px}
}

/* Desktop-only wide banner; tablet and mobile retain their existing layout. */
@media(min-width:1025px){
  .hero h1{
    font-size:clamp(2rem,7.2vw,80px);
    letter-spacing:-.04em;
  }
  .hero.wrap{
    aspect-ratio:3.2 / 1;
    min-height:0;
    padding-top:clamp(16px,2vw,52px);
    padding-bottom:16px;
    background-image:linear-gradient(rgba(5,12,24,.24),rgba(5,12,24,.38)),url("bg_2560_800.png");
    background-size:cover;
    background-position:center center;
  }
  .hero > *{flex-shrink:0}
  .hero .hero-kicker{margin-bottom:12px}
  .hero .hero-bottom{margin-top:16px}
  .hero .hero-bottom > div{display:block;text-align:left}
  .hero .hero-jp{margin-bottom:14px}
  .hero .hero-foot{padding-top:16px;padding-bottom:12px}
}
@media(min-width:1500px){
  .hero h1{font-size:80px}
}

/* Shared rhythm for content sections only. Header, hero and footer are unchanged. */
:is(.about,.business,.company,.contact){
  --content-section-space:clamp(80px,9vw,144px);
  --content-gap:clamp(28px,3.5vw,48px);
  --copy-gap:24px;
  padding-block:var(--content-section-space);
}
:is(.about,.business,.company,.contact) .section-label{
  gap:20px;
  margin-block:0 var(--content-gap);
}
:is(.about,.business,.company,.contact) .eyebrow{
  font-size:10px;
  line-height:1.7;
}
:is(.about,.business,.company) h2{
  font-size:clamp(30px,3.1vw,44px);
  line-height:1.6;
}
:is(.about,.business,.company,.contact) p{
  font-size:15px;
  line-height:1.9;
  overflow-wrap:anywhere;
}
.about,.company-grid{grid-template-columns:minmax(0,1fr) minmax(0,2.3fr);gap:40px}
.about-content{grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:var(--content-gap)}
.about .section-label,.company .section-label{margin-top:8px}
.about-copy p{margin-bottom:var(--copy-gap)}
.company h2{margin-bottom:var(--copy-gap)}
.company p{margin-bottom:var(--copy-gap)}
.section-heading{gap:var(--content-gap);margin-bottom:var(--content-gap)}
.section-heading p{margin-bottom:0}
.business-row{padding-block:clamp(28px,3vw,42px)}
.business-row > div,.contact-grid > div{min-width:0}
.business-row h3{line-height:1.2;overflow-wrap:anywhere}
.business-ja{line-height:1.8;margin-top:14px}
.business-copy .service-note,.company .prototype-detail,.contact .contact-info p{
  font-size:12px;
  line-height:1.9;
}
.business-copy .service-note{margin-top:16px}
.company .prototype-detail{margin-bottom:0}
.contact-grid{gap:var(--content-gap)}
.contact-grid > div > p{margin-top:var(--copy-gap)}
.contact .contact-info p{margin-top:16px}
@media(max-width:1199px){
  .about-content{grid-template-columns:minmax(0,1fr)}
  :is(.about,.company) .desktop-break{display:none}
}
@media(max-width:1024px){
  .about,.company-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .about .section-label,.company .section-label{margin-top:0}
  .about-copy{max-width:var(--reading-max)}
}
@media(max-width:767px){
  :is(.about,.business,.company,.contact) .section-label{gap:17px}
  .section-heading p{margin-top:var(--copy-gap);width:auto}
  .business-row{grid-template-columns:25px minmax(0,1fr) 20px;gap:18px}
  .contact-info{margin-top:var(--content-gap)}
}

/* ABOUT: retain the authored two-line heading and give long-form copy room. */
.about{
  grid-template-columns:180px minmax(0,1fr);
}
.about .about-content{
  grid-template-columns:minmax(280px,.85fr) minmax(0,1.65fr);
  align-items:start;
}
.about #about-title{
  font-size:clamp(30px,2.6vw,36px);
  line-height:1.6;
  white-space:nowrap;
}
.about .about-copy{
  width:100%;
  max-width:640px;
  min-width:0;
}
.about .about-copy p{
  line-height:2;
  margin-bottom:28px;
  overflow-wrap:break-word;
  line-break:strict;
}
@media(max-width:1199px){
  .about .about-content{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:1024px){
  .about{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:767px){
  .about #about-title{font-size:clamp(26px,7.5vw,30px)}
  .about .about-content{gap:28px}
  .about .about-copy p{margin-bottom:24px}
}

/* BUSINESS: five services with readable long-form copy. */
.business .section-heading{align-items:flex-start}
.business .business-intro{width:55%;max-width:680px;min-width:0}
.business .business-intro p{width:auto;margin:0}
.business .business-intro p + p{margin-top:20px}
.business .business-row{grid-template-columns:40px minmax(0,1fr) minmax(0,1.35fr);gap:clamp(24px,3vw,40px)}
.business .business-row h3{font-size:clamp(23px,2.4vw,33px);line-height:1.25;overflow-wrap:normal;word-break:normal}
.business .business-ja{font-size:12px}
.business .business-copy p,.business .business-intro p{overflow-wrap:break-word;line-break:strict;line-height:2}
.business .business-copy p + p{margin-top:20px}
@media(max-width:1024px){
  .business .business-row{grid-template-columns:30px minmax(0,1fr) minmax(0,1.25fr);gap:24px}
  .business .business-row h3{font-size:25px}
}
@media(max-width:767px){
  .business .business-intro{width:100%;max-width:none;margin-top:24px}
  .business .business-intro p{margin-top:0}
  .business .business-intro p + p{margin-top:20px}
  .business .business-row{grid-template-columns:25px minmax(0,1fr);gap:20px 18px}
  .business .business-row h3{font-size:clamp(21px,5.8vw,27px)}
  .business .business-copy{grid-column:1/-1}
  .business .business-copy p + p{margin-top:20px}
}

/* COMPANY: company profile aligned with the existing content rhythm. */
.company .company-grid > .reveal{min-width:0}
.company .company-profile{
  width:100%;
  margin-top:var(--content-gap);
  border-collapse:collapse;
  table-layout:fixed;
  text-align:left;
  font-size:15px;
  line-height:2;
}
.company .company-profile tr + tr{border-top:1px solid var(--color-border)}
.company .company-profile th,.company .company-profile td{
  padding:22px 0;
  vertical-align:top;
  font-weight:400;
  overflow-wrap:break-word;
  line-break:strict;
}
.company .company-profile th{width:24%;padding-right:24px;color:var(--color-ink-muted)}
.company .company-profile tr:first-child > *{padding-top:0}
.company .company-profile tr:last-child > *{padding-bottom:0}
@media(max-width:767px){
  .company .company-profile{font-size:14px}
  .company .company-profile th{width:28%;padding-right:16px}
  .company .company-profile th,.company .company-profile td{padding-block:18px}
}