/* =========================================================
   株式会社三歩 — SAMPO Inc.
   Design system : Bright × Premium / stylish & gender-neutral
   ========================================================= */

:root{
  /* palette */
  --cream:#F7F3EC;
  --cream-2:#FCFAF5;
  --paper:#FBF7F0;
  --green:#1E3A2C;      /* brand deep green */
  --green-2:#2C5440;
  --green-mid:#3E7D5A;
  --sage:#9DB7A6;
  --sage-soft:#D9E4DC;
  --clay:#C58A6A;       /* warm refined accent */
  --clay-soft:#E8C9B4;
  --ink:#22281F;
  --ink-soft:#5B6358;
  --line:rgba(30,58,44,.14);
  --line-soft:rgba(30,58,44,.08);

  --maxw:1280px;
  --pad:clamp(20px,5vw,80px);
  --r:18px;
  --r-lg:30px;

  --ease:cubic-bezier(.22,1,.36,1);
  --ease-2:cubic-bezier(.65,.05,.36,1);

  --f-disp:'Zen Old Mincho',serif;
  --f-body:'Zen Kaku Gothic New',sans-serif;
  --f-en:'Outfit',sans-serif;
  --f-serif:'Instrument Serif',serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:var(--f-body);
  background:var(--cream);
  color:var(--ink);
  line-height:1.9;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.loading{overflow:hidden;height:100vh;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.en{font-family:var(--f-en);letter-spacing:.04em;}
::selection{background:var(--green);color:var(--cream);}

/* hide native cursor when custom active */
body.has-cursor,body.has-cursor a,body.has-cursor button{cursor:none;}

/* =========================================================
   WebGL canvas + grain
   ========================================================= */
.gl-canvas{
  position:fixed;inset:0;width:100vw;height:100vh;
  z-index:-2;display:block;pointer-events:none;
}
.grain{
  position:fixed;inset:-50%;z-index:-1;pointer-events:none;
  opacity:.05;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 8s steps(6) infinite;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)} 16%{transform:translate(-4%,2%)}
  33%{transform:translate(3%,-3%)} 50%{transform:translate(-2%,4%)}
  66%{transform:translate(4%,1%)} 83%{transform:translate(-3%,-2%)}
}

/* =========================================================
   Custom cursor
   ========================================================= */
.cursor{
  position:fixed;top:0;left:0;width:14px;height:14px;border-radius:50%;
  border:1.5px solid var(--green);
  transform:translate(-50%,-50%);
  z-index:9000;pointer-events:none;
  transition:width .35s var(--ease),height .35s var(--ease),background .35s var(--ease),border-color .35s var(--ease),opacity .3s;
  display:flex;align-items:center;justify-content:center;
  mix-blend-mode:normal;
}
.cursor-dot{
  position:fixed;top:0;left:0;width:5px;height:5px;border-radius:50%;
  background:var(--green);transform:translate(-50%,-50%);
  z-index:9001;pointer-events:none;
}
.cursor-label{
  font-family:var(--f-en);font-size:11px;font-weight:500;letter-spacing:.08em;
  color:var(--cream);opacity:0;transform:scale(.5);transition:opacity .3s,transform .3s;
  white-space:nowrap;text-transform:uppercase;
}
.cursor.is-link{width:46px;height:46px;background:rgba(30,58,44,.07);backdrop-filter:blur(2px);}
.cursor.is-cta,.cursor.is-view{width:84px;height:84px;background:var(--green);border-color:var(--green);}
.cursor.is-cta .cursor-label,.cursor.is-view .cursor-label{opacity:1;transform:scale(1);}
.cursor.is-tag{width:34px;height:34px;background:rgba(30,58,44,.05);}
.cursor.is-cta ~ .cursor-dot,.cursor.is-view ~ .cursor-dot{opacity:0;}
/* invert cursor over dark sections (footer / 自習室バナー) so it stays visible */
body.cursor-dark .cursor{border-color:var(--cream);}
body.cursor-dark .cursor-dot{background:var(--cream);}
body.cursor-dark .cursor.is-link,body.cursor-dark .cursor.is-tag{background:rgba(247,243,236,.14);}
body.cursor-dark .cursor.is-cta,body.cursor-dark .cursor.is-view{background:var(--cream);border-color:var(--cream);}
body.cursor-dark .cursor.is-cta .cursor-label,body.cursor-dark .cursor.is-view .cursor-label{color:var(--green);}
@media (hover:none){.cursor,.cursor-dot{display:none;}}

/* =========================================================
   Preloader
   ========================================================= */
.preloader{
  position:fixed;inset:0;z-index:9999;background:var(--cream);
  display:flex;align-items:center;justify-content:center;
}
.pre-inner{text-align:center;}
.pre-mark{width:74px;height:74px;margin:0 auto 26px;}
.pre-foot{
  fill:none;stroke:var(--green);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:340;stroke-dashoffset:340;
  animation:footdraw 1.6s var(--ease) forwards;
}
@keyframes footdraw{to{stroke-dashoffset:0;}}
.pre-count{
  font-family:var(--f-en);font-weight:200;font-size:clamp(3rem,11vw,6.5rem);
  color:var(--green);line-height:1;letter-spacing:-.02em;display:flex;align-items:flex-start;justify-content:center;gap:.06em;
}
.pre-count i{font-size:.3em;font-style:normal;margin-top:.5em;opacity:.5;}
.pre-word{
  font-family:var(--f-en);font-size:.78rem;letter-spacing:.5em;text-transform:uppercase;
  color:var(--ink-soft);margin-top:18px;padding-left:.5em;
}

/* =========================================================
   Header
   ========================================================= */
.header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--pad);
  transition:padding .4s var(--ease),background .4s,backdrop-filter .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
.header.scrolled{
  padding:14px var(--pad);
  background:rgba(247,243,236,.72);
  backdrop-filter:blur(16px) saturate(1.2);
  border-color:var(--line-soft);
}
.brand{display:flex;align-items:center;gap:11px;}
.brand img{height:34px;width:auto;}
.brand-logo{height:30px!important;width:auto;}
.header.scrolled .brand-logo{height:27px!important;}
.brand-name{font-family:var(--f-disp);font-weight:700;font-size:1.05rem;color:var(--green);display:flex;flex-direction:column;line-height:1.1;}
.brand-name i{font-family:var(--f-en);font-style:normal;font-size:.5rem;letter-spacing:.22em;color:var(--ink-soft);font-weight:400;}
.nav{display:flex;gap:clamp(10px,1.5vw,26px);}
.nav a{position:relative;overflow:hidden;height:1.5em;display:flex;flex-direction:column;font-size:.84rem;font-weight:500;}
.nav a span{font-family:var(--f-en);letter-spacing:.05em;transition:transform .5s var(--ease);}
.nav a em{font-style:normal;color:var(--green);transition:transform .5s var(--ease);}
.nav a:hover span{transform:translateY(-1.5em);}
.nav a:hover em{transform:translateY(-1.5em);}
.nav-cta{
  position:relative;padding:10px 22px;border-radius:999px;font-size:.82rem;font-weight:500;
  color:var(--cream);background:var(--green);overflow:hidden;isolation:isolate;
}
.nav-cta span{position:relative;z-index:2;}
.nav-cta::before{
  content:"";position:absolute;inset:0;z-index:1;background:var(--clay);
  transform:translateY(101%);transition:transform .5s var(--ease);
}
.nav-cta:hover::before{transform:translateY(0);}
.nav a.active em{color:var(--clay);}
.nav a.active::after{content:"";position:absolute;left:0;bottom:-2px;width:5px;height:5px;border-radius:50%;background:var(--clay);}
/* scroll progress */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:100%;z-index:300;
  background:linear-gradient(90deg,var(--green),var(--clay));
  transform:scaleX(0);transform-origin:0 50%;pointer-events:none;
}
.burger{display:none;flex-direction:column;gap:6px;background:none;border:none;cursor:pointer;width:30px;}
.burger i{display:block;height:2px;width:100%;background:var(--green);transition:.4s var(--ease);}
body.menu-open .burger i:nth-child(1){transform:translateY(4px) rotate(45deg);}
body.menu-open .burger i:nth-child(2){transform:translateY(-4px) rotate(-45deg);}

/* mobile menu */
.mobile-menu{
  position:fixed;inset:0;z-index:150;background:var(--green);
  clip-path:circle(0% at 100% 0);transition:clip-path .7s var(--ease);
  display:flex;align-items:center;padding:var(--pad);
}
body.menu-open .mobile-menu{clip-path:circle(150% at 100% 0);}
.mm-inner{display:flex;flex-direction:column;gap:6px;width:100%;}
.mm-inner a{
  font-family:var(--f-disp);font-weight:700;font-size:clamp(2rem,9vw,3.4rem);color:var(--cream);
  display:flex;align-items:baseline;gap:18px;padding:6px 0;opacity:0;transform:translateY(30px);
}
body.menu-open .mm-inner a{opacity:1;transform:translateY(0);transition:opacity .5s var(--ease) calc(.25s + var(--i,0)*.06s),transform .5s var(--ease) calc(.25s + var(--i,0)*.06s);}
.mm-inner a span{font-family:var(--f-en);font-size:.9rem;color:var(--sage);font-weight:400;}
.mm-inner .mm-cta{color:var(--clay-soft);}

/* =========================================================
   Layout helpers
   ========================================================= */
.section{
  position:relative;
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(90px,14vh,180px) var(--pad);
}
.sec-head{margin-bottom:clamp(40px,7vw,80px);}
.sec-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-en);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--green-mid);font-weight:500;
}
.sec-tag i{font-style:normal;color:var(--clay);font-weight:600;}
.sec-title{
  font-family:var(--f-disp);font-weight:900;line-height:1.32;
  font-size:clamp(1.9rem,4.6vw,3.4rem);color:var(--ink);letter-spacing:.01em;margin-top:20px;
}
.sec-sub{margin-top:24px;max-width:560px;color:var(--ink-soft);font-size:clamp(.95rem,1.4vw,1.05rem);}
.sec-head.split{max-width:760px;}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;min-height:100svh;
  max-width:var(--maxw);margin:0 auto;
  padding:0 var(--pad);
  display:flex;flex-direction:column;justify-content:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:11px;align-self:flex-start;
  font-family:var(--f-en);font-size:.8rem;letter-spacing:.06em;color:var(--green-2);
  background:rgba(255,255,255,.5);border:1px solid var(--line);
  padding:8px 18px;border-radius:999px;backdrop-filter:blur(6px);margin-bottom:34px;
}
.hero-eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:var(--green-mid);position:relative;}
.hero-eyebrow .pulse::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--green-mid);animation:pulse 2s var(--ease) infinite;}
@keyframes pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(3.5);opacity:0}}
.hero-title{
  font-family:var(--f-disp);font-weight:900;
  font-size:clamp(2.9rem,11vw,8.4rem);line-height:1.04;letter-spacing:.005em;
  color:var(--ink);perspective:800px;will-change:transform,opacity;
}
.hero-title .line{display:block;overflow:hidden;transform-style:preserve-3d;}
.hero-title .char{transform-origin:50% 100%;}
.hero-title .accent{color:var(--green);}
.hero-title .period{font-style:normal;color:var(--clay);}
.hero-lead{margin-top:34px;max-width:520px;font-size:clamp(1rem,1.7vw,1.18rem);color:var(--ink-soft);font-weight:500;}
.hero-tags{margin-top:38px;display:flex;flex-wrap:wrap;gap:12px;}
.htag{
  background:rgba(255,255,255,.55);border:1px solid var(--line);
  padding:10px 18px;border-radius:13px;font-size:.85rem;font-weight:500;color:var(--green);
  backdrop-filter:blur(4px);transition:transform .4s var(--ease),background .4s,color .4s;
}
.htag:hover{transform:translateY(-4px);background:var(--green);color:var(--cream);}
.scroll-cue{
  position:absolute;bottom:38px;left:var(--pad);display:flex;align-items:center;gap:14px;
  font-family:var(--f-en);font-size:.72rem;letter-spacing:.3em;color:var(--ink-soft);
}
.cue-line{display:block;width:60px;height:1px;background:var(--line);position:relative;overflow:hidden;}
.cue-line i{position:absolute;inset:0;background:var(--green);transform:translateX(-100%);animation:cue 2.4s var(--ease) infinite;}
@keyframes cue{0%{transform:translateX(-100%)}50%{transform:translateX(0)}100%{transform:translateX(100%)}}
.hero-side{
  position:absolute;right:calc(var(--pad) - 6px);top:50%;transform:translateY(-50%);
  writing-mode:vertical-rl;font-size:.7rem;letter-spacing:.4em;color:var(--ink-soft);opacity:.5;
}
@media (max-width:760px){.hero-side{display:none;}}

/* =========================================================
   Marquee
   ========================================================= */
.marquee{overflow:hidden;padding:26px 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:rgba(255,255,255,.25);}
.marquee-track{display:flex;width:max-content;animation:marquee 32s linear infinite;}
.marquee-track span{
  font-family:var(--f-disp);font-weight:700;font-size:clamp(1.3rem,3vw,2.1rem);color:var(--green);
  white-space:nowrap;padding-right:.4em;
}
.marquee-track i{font-style:normal;color:var(--clay);margin:0 .3em;}
.mq-icon{height:.92em;width:auto;display:inline-block;vertical-align:-.16em;margin:0 .45em;opacity:.92;}
@keyframes marquee{to{transform:translateX(-50%);}}

/* =========================================================
   Mission
   ========================================================= */
.big-statement{
  font-family:var(--f-disp);font-weight:900;letter-spacing:.01em;
  font-size:clamp(2.1rem,6vw,4.8rem);line-height:1.4;color:var(--ink);
}
.big-statement .hl{position:relative;color:var(--green);white-space:nowrap;}
.big-statement .hl::after{
  content:"";position:absolute;left:-2%;right:-2%;bottom:.12em;height:.32em;z-index:-1;
  background:var(--clay-soft);border-radius:4px;transform:scaleX(0);transform-origin:left;
  transition:transform .8s var(--ease);
}
.big-statement.in .hl::after{transform:scaleX(1);}
.mission-body{margin-top:46px;max-width:680px;font-size:clamp(1rem,1.5vw,1.12rem);color:var(--ink-soft);}
.mission-body em{font-style:normal;color:var(--green);font-weight:700;}
.mission-marks{display:flex;flex-wrap:wrap;gap:clamp(24px,5vw,70px);margin-top:64px;}
.mark{display:flex;flex-direction:column;gap:6px;}
.mark-num{font-family:var(--f-en);font-weight:300;font-size:clamp(2.6rem,7vw,4.6rem);line-height:1;color:var(--green);letter-spacing:-.02em;}
.mark-num i{font-style:normal;font-size:.32em;margin-left:.1em;color:var(--clay);font-weight:500;}
.mark-label{font-size:.86rem;color:var(--ink-soft);font-weight:500;}

/* =========================================================
   Business cards
   ========================================================= */
.biz-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,1.8vw,26px);}
.biz-card{
  position:relative;background:rgba(255,255,255,.55);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:clamp(26px,2.6vw,40px);
  backdrop-filter:blur(8px);overflow:hidden;isolation:isolate;
  transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .6s;
  display:flex;flex-direction:column;min-height:360px;
}
.biz-card::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(160deg,var(--green) 0%,var(--green-2) 100%);
  opacity:0;transition:opacity .6s var(--ease);
}
.biz-card:hover{transform:translateY(-10px);box-shadow:0 30px 60px -30px rgba(30,58,44,.35);border-color:transparent;}
.biz-card:hover::before{opacity:1;}
.biz-card:hover .bc-title,.biz-card:hover .bc-body,.biz-card:hover .bc-num,.biz-card:hover .bc-cat{color:var(--cream);}
.biz-card:hover .bc-tag{border-color:rgba(255,255,255,.3);color:var(--cream);}
.biz-card:hover .patent{background:var(--clay);color:#fff;}
.bc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:auto;transition:color .6s;}
.bc-num{font-size:2.4rem;font-weight:300;color:var(--sage);transition:color .6s;}
.bc-cat{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--green-mid);transition:color .6s;}
.bc-title{font-family:var(--f-disp);font-weight:900;font-size:clamp(1.5rem,2.4vw,2rem);color:var(--ink);margin:42px 0 16px;transition:color .6s;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.patent{font-family:var(--f-body);font-size:.62rem;font-weight:500;letter-spacing:.04em;background:var(--clay-soft);color:var(--green);padding:4px 10px;border-radius:999px;transition:.6s;}
.bc-body{font-size:.92rem;color:var(--ink-soft);line-height:1.85;transition:color .6s;}
.bc-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.bc-tag{font-size:.72rem;border:1px solid var(--line);border-radius:999px;padding:5px 12px;color:var(--green-mid);transition:.6s;}

/* =========================================================
   How it works steps
   ========================================================= */
.steps{display:flex;align-items:stretch;gap:18px;flex-wrap:wrap;}
.step{
  flex:1;min-width:230px;background:rgba(255,255,255,.5);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:clamp(26px,2.4vw,38px);backdrop-filter:blur(6px);
  display:flex;flex-direction:column;gap:14px;
}
.step-no{font-size:.74rem;letter-spacing:.12em;color:var(--clay);font-weight:600;}
.step-t{font-family:var(--f-disp);font-weight:700;font-size:clamp(1.3rem,2vw,1.7rem);color:var(--green);}
.step-b{font-size:.9rem;color:var(--ink-soft);}
.step-arrow{display:flex;align-items:center;font-size:1.8rem;color:var(--sage);}
@media (max-width:860px){.step-arrow{transform:rotate(90deg);width:100%;justify-content:center;}}
.howto-foot{display:flex;align-items:center;gap:clamp(20px,3vw,40px);margin-top:clamp(34px,5vw,56px);flex-wrap:wrap;}
.howto-note{flex:1;min-width:280px;color:var(--ink-soft);font-size:clamp(.92rem,1.4vw,1.04rem);line-height:1.95;max-width:760px;}
.howto-note strong{color:var(--green);font-weight:700;}
.howto-badge{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  font-family:var(--f-en);font-size:.76rem;letter-spacing:.12em;color:var(--clay);font-weight:500;
  border:1px solid var(--clay-soft);background:rgba(197,138,106,.08);border-radius:999px;padding:10px 18px;
}
.showcase-cta{display:flex;justify-content:center;margin-top:clamp(40px,6vw,72px);}

/* =========================================================
   Product showcase
   ========================================================= */
/* 自習室 wide banner */
.room-banner{
  position:relative;margin:clamp(20px,4vw,40px) 0 clamp(40px,6vw,70px);
  border-radius:var(--r-lg);overflow:hidden;transform-style:preserve-3d;
  box-shadow:0 50px 90px -45px rgba(30,58,44,.6),0 6px 20px rgba(30,58,44,.1);
}
.room-banner img{width:100%;display:block;}
.room-banner figcaption{
  position:absolute;inset:auto 0 0 0;padding:clamp(26px,5vw,54px) clamp(24px,4vw,48px) clamp(22px,3vw,38px);
  background:linear-gradient(to top,rgba(14,28,20,.92) 10%,rgba(14,28,20,.4) 60%,transparent);
  display:flex;flex-direction:column;gap:7px;color:var(--cream);
}
.rb-kicker{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sage);}
.rb-title{font-family:var(--f-disp);font-weight:700;font-size:clamp(1.4rem,3.6vw,2.6rem);}
.rb-sub{font-size:clamp(.85rem,1.4vw,1rem);color:var(--sage-soft);max-width:560px;}
@media (max-width:620px){.rb-sub{display:none;}}

/* app store gallery */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,30px);perspective:1600px;}
.shot{
  border-radius:24px;overflow:hidden;transform-style:preserve-3d;
  box-shadow:0 40px 80px -45px rgba(30,58,44,.5),0 4px 14px rgba(30,58,44,.07);
  transition:box-shadow .6s var(--ease);background:var(--cream-2);
}
.shot img{width:100%;display:block;}
.shot-mid{transform:translateY(-30px);}
.shot:hover{box-shadow:0 60px 110px -45px rgba(30,58,44,.6);}
@media (max-width:760px){
  .shots{grid-template-columns:1fr;max-width:380px;margin:0 auto;}
  .shot-mid{transform:none;}
}

/* =========================================================
   Sustainability pillars
   ========================================================= */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,1.8vw,24px);}
.pillar{
  background:rgba(255,255,255,.5);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(28px,2.6vw,42px);backdrop-filter:blur(6px);
  transition:transform .5s var(--ease),background .5s,border-color .5s;
}
.pillar:hover{transform:translateY(-8px);background:rgba(255,255,255,.78);border-color:var(--sage);}
.pill-mark{
  display:inline-flex;align-items:center;justify-content:center;min-width:60px;height:60px;padding:0 14px;
  border-radius:16px;background:var(--green);color:var(--cream);
  font-weight:500;font-size:1.3rem;margin-bottom:24px;letter-spacing:.02em;
}
.pill-t{font-family:var(--f-disp);font-weight:700;font-size:clamp(1.2rem,1.8vw,1.5rem);color:var(--green);margin-bottom:12px;}
.pill-b{font-size:.9rem;color:var(--ink-soft);}

/* =========================================================
   Fields / 展開領域
   ========================================================= */
.domains{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,1.8vw,24px);}
.domain{
  position:relative;overflow:hidden;isolation:isolate;
  background:rgba(255,255,255,.5);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(28px,2.8vw,44px);backdrop-filter:blur(6px);
  display:flex;flex-direction:column;min-height:340px;
  transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .6s,background .6s;
}
.domain:hover{transform:translateY(-10px);box-shadow:0 36px 70px -34px rgba(30,58,44,.4);border-color:var(--sage);background:rgba(255,255,255,.74);}
.dm-no{font-family:var(--f-en);font-weight:300;font-size:1.1rem;color:var(--clay);letter-spacing:.1em;}
.dm-kanji{
  position:absolute;right:-.12em;top:-.18em;z-index:-1;
  font-family:var(--f-disp);font-weight:900;font-size:clamp(9rem,15vw,15rem);line-height:1;
  color:var(--green);opacity:.07;pointer-events:none;transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.domain:hover .dm-kanji{opacity:.13;transform:scale(1.04) rotate(-2deg);}
.dm-body{margin-top:clamp(44px,6vw,86px);display:flex;flex-direction:column;flex:1;}
.dm-title{font-family:var(--f-disp);font-weight:900;font-size:clamp(1.7rem,2.6vw,2.3rem);color:var(--ink);display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:16px;}
.dm-en{font-family:var(--f-en);font-weight:400;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green-mid);white-space:nowrap;}
.dm-text{font-size:.92rem;color:var(--ink-soft);line-height:1.85;margin-bottom:22px;}
.dm-chip{
  display:inline-flex;align-self:flex-start;align-items:center;margin-top:auto;
  font-size:.74rem;font-weight:500;letter-spacing:.02em;color:var(--green);
  background:var(--sage-soft);border-radius:999px;padding:7px 15px;
}
@media (max-width:980px){.domains{grid-template-columns:1fr;}.domain{min-height:auto;}}

/* =========================================================
   Details accordion (01-04)
   ========================================================= */
.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-head{
  width:100%;background:none;border:none;cursor:pointer;text-align:left;
  display:flex;align-items:center;gap:clamp(16px,3vw,40px);
  padding:clamp(24px,3.4vw,40px) 4px;color:var(--ink);
  transition:padding-left .45s var(--ease);
}
.acc-no{font-family:var(--f-en);font-weight:300;font-size:clamp(1rem,1.4vw,1.25rem);color:var(--clay);min-width:2.6em;}
.acc-titles{flex:1;display:flex;flex-direction:column;gap:5px;}
.acc-jp{font-family:var(--f-disp);font-weight:900;font-size:clamp(1.5rem,3.2vw,2.6rem);line-height:1.18;letter-spacing:.01em;transition:color .4s;}
.acc-en{font-family:var(--f-en);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green-mid);}
.acc-toggle{position:relative;width:26px;height:26px;flex-shrink:0;}
.acc-toggle::before,.acc-toggle::after{content:"";position:absolute;background:var(--green);transition:transform .5s var(--ease),background .4s;}
.acc-toggle::before{left:0;top:12px;width:26px;height:2px;}
.acc-toggle::after{left:12px;top:0;width:2px;height:26px;}
.acc-head:hover{padding-left:14px;}
.acc-head:hover .acc-jp,.acc-item.open .acc-jp{color:var(--green);}
.acc-item.open .acc-toggle::after{transform:scaleY(0);}
.acc-item.open .acc-toggle::before{background:var(--clay);}

.acc-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .7s var(--ease);}
.acc-item.open .acc-panel{grid-template-rows:1fr;}
.acc-inner{overflow:hidden;}
.acc-content{
  padding:6px 4px clamp(40px,5vw,68px);
  opacity:0;transform:translateY(18px);
  transition:opacity .6s var(--ease) .12s,transform .6s var(--ease) .12s;
}
.acc-item.open .acc-content{opacity:1;transform:none;}
.acc-lead{font-family:var(--f-disp);font-weight:900;font-size:clamp(1.5rem,3vw,2.5rem);line-height:1.45;color:var(--ink);margin-bottom:22px;}
.acc-lead .hl{position:relative;color:var(--green);white-space:nowrap;}
.acc-lead .hl::after{content:"";position:absolute;left:-2%;right:-2%;bottom:.1em;height:.3em;z-index:-1;background:var(--clay-soft);border-radius:4px;}
.acc-sub{color:var(--ink-soft);max-width:620px;margin-bottom:38px;font-size:clamp(.95rem,1.4vw,1.05rem);}
.acc-content .mission-body{margin-top:0;}
.acc-content .mission-marks{margin-top:48px;}
.acc-content .room-banner{margin:0 0 clamp(24px,3vw,40px);}
.acc-content .howto-foot{margin-top:clamp(28px,4vw,48px);}
/* inside accordion, content is shown by the open animation (no scroll-reveal) */
.acc-inner [data-reveal]{opacity:1;transform:none;}

/* =========================================================
   Company table
   ========================================================= */
.company-table{border-top:1px solid var(--line);}
.ct-row{
  display:grid;grid-template-columns:230px 1fr;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line);align-items:baseline;
}
.ct-row dt{font-family:var(--f-disp);font-weight:700;color:var(--green);font-size:1rem;}
.ct-row dd{color:var(--ink-soft);font-size:.98rem;}
.ct-row dd a{color:var(--green-mid);border-bottom:1px solid var(--sage);transition:color .3s;}
.ct-row dd a:hover{color:var(--clay);}
@media (max-width:680px){.ct-row{grid-template-columns:1fr;gap:6px;}}

/* =========================================================
   CTA
   ========================================================= */
.cta{text-align:center;}
.cta-inner{max-width:860px;margin:0 auto;}
.cta-eyebrow{font-size:.8rem;letter-spacing:.3em;text-transform:uppercase;color:var(--clay);margin-bottom:24px;}
.cta-title{font-family:var(--f-disp);font-weight:900;font-size:clamp(1.9rem,5.2vw,4.1rem);line-height:1.36;color:var(--ink);word-break:keep-all;line-break:strict;}
.cta-body{margin:30px auto 44px;max-width:560px;color:var(--ink-soft);}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.btn-primary{
  position:relative;display:inline-flex;align-items:center;gap:14px;
  padding:18px 36px;border-radius:999px;background:var(--green);color:var(--cream);
  font-weight:500;overflow:hidden;isolation:isolate;font-size:1rem;
}
.btn-primary::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--clay);transform:scale(0);border-radius:999px;transition:transform .55s var(--ease);}
.btn-primary:hover::before{transform:scale(1.6);}
.btn-primary .arrow{font-style:normal;transition:transform .5s var(--ease);}
.btn-primary:hover .arrow{transform:translateX(6px);}
.btn-ghost{
  display:inline-flex;align-items:center;padding:18px 32px;border-radius:999px;
  border:1px solid var(--line);color:var(--green);font-weight:500;transition:.4s var(--ease);
}
.btn-ghost:hover{background:var(--green);color:var(--cream);border-color:var(--green);}

/* =========================================================
   Footer
   ========================================================= */
.footer{background:var(--green);color:var(--cream);padding:clamp(60px,8vw,100px) 0 0;position:relative;z-index:1;}
.foot-grid{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;}
.foot-logo{height:40px;width:auto;opacity:.95;margin-bottom:22px;}
.foot-brand p{color:var(--sage-soft);font-size:.92rem;max-width:340px;}
.foot-col{display:flex;flex-direction:column;gap:14px;}
.foot-h{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--sage);margin-bottom:6px;}
.foot-col a{color:var(--cream);font-size:.92rem;opacity:.85;width:fit-content;transition:opacity .3s,transform .3s;}
.foot-col a:hover{opacity:1;transform:translateX(5px);}
.foot-marquee{overflow:hidden;margin-top:clamp(50px,7vw,90px);border-top:1px solid rgba(255,255,255,.12);padding:30px 0;}
.fm-track{display:flex;width:max-content;animation:marquee 28s linear infinite;}
.fm-track span{font-family:var(--f-disp);font-weight:700;font-size:clamp(2.4rem,9vw,7rem);color:rgba(255,255,255,.1);white-space:nowrap;padding-right:.5em;}
.foot-base{max-width:var(--maxw);margin:0 auto;padding:24px var(--pad);display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);font-size:.78rem;color:var(--sage);}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;}.foot-brand{grid-column:1/-1;}}

/* =========================================================
   Reveal animation states (driven by JS)
   ========================================================= */
[data-reveal]{opacity:0;will-change:transform,opacity;}
[data-reveal="up"]{transform:translateY(40px);}
[data-reveal="fade"]{transform:none;}
[data-reveal="card"]{transform:translateY(60px);}
[data-reveal].in{opacity:1;transform:none;transition:opacity 1s var(--ease),transform 1s var(--ease);}
[data-split] .char{display:inline-block;opacity:0;}
[data-lines]{}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .biz-cards,.pillars{grid-template-columns:1fr;}
  .biz-card{min-height:auto;}
}
@media (max-width:820px){
  .nav,.nav-cta{display:none;}
  .burger{display:flex;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  [data-reveal]{opacity:1!important;transform:none!important;}
  .gl-canvas{display:none;}
}