/* ============================================================
   DATA Agent AI — corporate site styles
   ============================================================ */
:root{
  --bg:        #050605;
  --bg-2:      #090B09;
  --bg-3:      #0D100D;
  --panel:     #10130F;
  --line:      rgba(160,180,160,.12);
  --line-2:    rgba(160,180,160,.22);
  --text:      #F2F6F1;
  --muted:     #A6B0A2;
  --muted-2:   #707A6C;
  --green:     #1FE588;
  --green-2:   #14CC74;
  --blue:      #FF6A1A;   /* 濃いオレンジ（アクセント2） */
  --blue-2:    #FF8A3D;
  --orange:    #FF6A1A;
  --orange-2:  #FF8A3D;
  --grad:      linear-gradient(100deg,#1FE588 0%,#5EE07A 42%,#FF6A1A 100%);
  --grad-rev:  linear-gradient(100deg,#FF6A1A 0%,#FF8A3D 50%,#1FE588 100%);
  --grad-soft: linear-gradient(135deg,rgba(31,229,136,.16),rgba(255,106,26,.12));
  --radius:    16px;
  --radius-sm: 11px;
  --maxw:      1180px;
  --shadow:    0 24px 60px -24px rgba(0,0,0,.7);
  --font-jp:   "Noto Sans JP",system-ui,sans-serif;
  --font-en:   "Inter","Noto Sans JP",system-ui,sans-serif;
  --font-disp: "Space Grotesk","Inter","Noto Sans JP",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{
  font-family:var(--font-jp);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted-2);font-size:.86em}
.pc-only{display:inline}
.sp-only{display:none}
code{font-family:var(--font-en);background:rgba(22,224,160,.1);color:var(--green);padding:.08em .4em;border-radius:5px;font-size:.86em}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-jp);font-weight:700;font-size:.95rem;
  padding:.78em 1.5em;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#04130d;box-shadow:0 10px 30px -10px rgba(22,224,160,.6)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(22,224,160,.75)}
.btn--ghost{background:rgba(255,255,255,.02);color:var(--text);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px)}
.btn--lg{padding:1em 1.9em;font-size:1.02rem}
.btn--block{width:100%}

/* ---------- Nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(6,10,20,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-disp);font-weight:600;font-size:1.18rem;letter-spacing:.2px}
.brand__mark{color:var(--green);display:flex;filter:drop-shadow(0 0 10px rgba(22,224,160,.4))}
.brand__mark-core{fill:var(--green)}
.brand__mark-node.b{fill:var(--blue-2)}
.brand__mark-node.g{fill:var(--green)}
.brand__text b{font-weight:700}
.brand__ai{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}
.nav__links{display:flex;align-items:center;gap:28px;margin-left:auto;font-size:.93rem;font-weight:500}
.nav__links a:not(.btn){color:var(--muted);transition:color .2s;position:relative}
.nav__links a:not(.btn):hover{color:var(--text)}
.nav__links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:width .25s}
.nav__links a:not(.btn):hover::after{width:100%}
.nav__cta{margin-left:4px}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav__toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;
  background:radial-gradient(ellipse 80% 60% at 50% -10%,#0d2018 0%,var(--bg) 52%)}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.hero__glow{position:absolute;z-index:0;width:760px;height:760px;left:50%;top:38%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(22,224,160,.16),transparent 62%);filter:blur(20px);pointer-events:none}
.hero__inner{position:relative;z-index:2;padding:120px 24px 90px;text-align:center}
.hero__badge{display:inline-flex;align-items:center;gap:9px;font-size:.84rem;font-weight:500;color:var(--muted);
  background:rgba(22,224,160,.06);border:1px solid var(--line-2);padding:.5em 1.1em;border-radius:999px;margin-bottom:30px}
.hero__badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(22,224,160,.18);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero__title{font-family:var(--font-jp);font-weight:900;letter-spacing:.01em;
  font-size:clamp(2.4rem,6.4vw,4.6rem);line-height:1.18;margin-bottom:26px}
.hero__lead{color:var(--muted);font-size:clamp(.98rem,1.7vw,1.18rem);line-height:2;max-width:760px;margin:0 auto 38px}
.hero__lead strong{color:var(--text);font-weight:700}
.hero__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:64px}
.hero__stats{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:880px;margin:0 auto;
  background:rgba(10,16,32,.5);border:1px solid var(--line);border-radius:var(--radius);padding:28px 20px;backdrop-filter:blur(8px)}
.hero__stats li{display:flex;flex-direction:column;align-items:center;gap:4px;position:relative}
.hero__stats li:not(:last-child)::after{content:"";position:absolute;right:-9px;top:14%;height:72%;width:1px;background:var(--line)}
.hero__stats .num{font-family:var(--font-disp);font-weight:700;font-size:clamp(1.5rem,3.2vw,2.1rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__stats small{color:var(--muted-2);font-size:.78rem}
.hero__scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;width:24px;height:38px;border:1.5px solid var(--line-2);border-radius:14px}
.hero__scroll span{position:absolute;left:50%;top:8px;transform:translateX(-50%);width:4px;height:7px;border-radius:2px;background:var(--green);animation:scroll 1.8s infinite}
@keyframes scroll{0%{opacity:0;top:8px}40%{opacity:1}80%{opacity:0;top:20px}100%{opacity:0}}

/* ---------- Strip ---------- */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);padding:30px 0}
.strip__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.strip__lead{color:var(--muted);font-size:.95rem}
.strip__tags{display:flex;gap:10px;flex-wrap:wrap}
.strip__tags span{font-size:.82rem;color:var(--muted-2);border:1px solid var(--line);padding:.32em .9em;border-radius:999px}

/* ---------- Sections ---------- */
.section{padding:110px 0;position:relative}
.section__head{max-width:760px;margin:0 auto 56px;text-align:center}
.eyebrow{display:inline-block;font-family:var(--font-en);font-size:.78rem;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--green);margin-bottom:16px}
.section__head h2{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:900;line-height:1.3;letter-spacing:.01em}
.section__sub{color:var(--muted);margin-top:18px;font-size:1.02rem;line-height:1.95}

/* ---------- Data ---------- */
.data{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.data__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:40px}
.metric{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  position:relative;overflow:hidden;transition:transform .25s,border-color .25s}
.metric:hover{transform:translateY(-4px);border-color:var(--line-2)}
.metric::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--grad);opacity:.0;transition:opacity .25s}
.metric:hover::before{opacity:1}
.metric--feature{grid-column:span 2;background:var(--grad-soft);border-color:rgba(22,224,160,.28)}
.metric__label{display:block;color:var(--muted);font-size:.85rem;margin-bottom:12px}
.metric__value{display:flex;align-items:baseline;gap:6px;font-family:var(--font-disp);font-weight:700;
  font-size:clamp(1.5rem,3.4vw,2.3rem);color:var(--text);line-height:1.1}
.metric--feature .metric__value{font-size:clamp(1.8rem,5vw,3.1rem);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric__value i{font-size:.5em;font-style:normal;color:var(--muted);font-weight:600}
.metric__unit{display:block;color:var(--muted-2);font-size:.8rem;margin-top:8px}

.audit{display:flex;gap:20px;align-items:center;background:var(--panel);border:1px solid rgba(22,224,160,.22);
  border-radius:var(--radius);padding:24px 28px;margin-bottom:40px}
.audit__badge{color:var(--green);flex-shrink:0;filter:drop-shadow(0 0 14px rgba(22,224,160,.35))}
.audit__body strong{display:block;font-size:1.02rem;margin-bottom:6px;color:var(--text)}
.audit__body p{color:var(--muted);font-size:.92rem;line-height:1.85}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-3)}
.data__table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:760px}
.data__table th,.data__table td{padding:13px 16px;text-align:right;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.data__table th:first-child,.data__table td:first-child,
.data__table th:last-child,.data__table td:last-child{text-align:left}
.data__table thead th{background:rgba(255,106,26,.08);color:var(--muted);font-weight:600;font-size:.82rem;white-space:nowrap}
.data__table tbody tr:hover{background:rgba(31,229,136,.05)}
.data__table tbody td{color:var(--text)}
.data__table tfoot td{background:rgba(22,224,160,.07);font-weight:700;color:var(--green);border-top:1px solid var(--line-2)}
.table-note{color:var(--muted-2);font-size:.8rem;margin-top:14px;text-align:right}

/* ---------- Services ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;
  transition:transform .25s,border-color .25s,box-shadow .25s}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card--accent{background:linear-gradient(150deg,rgba(22,224,160,.08),var(--panel) 60%);border-color:rgba(22,224,160,.25)}
.card__ico{width:54px;height:54px;display:flex;align-items:center;justify-content:center;font-size:1.7rem;
  background:var(--grad-soft);border:1px solid var(--line-2);border-radius:14px;margin-bottom:20px}
.card h3{font-size:1.25rem;font-weight:700;margin-bottom:12px}
.card p{color:var(--muted);font-size:.95rem;line-height:1.9;margin-bottom:18px}
.card__list{list-style:none;display:flex;flex-direction:column;gap:8px}
.card__list li{position:relative;padding-left:24px;color:var(--muted);font-size:.9rem}
.card__list li::before{content:"";position:absolute;left:0;top:.6em;width:12px;height:7px;border-left:2px solid var(--green);
  border-bottom:2px solid var(--green);transform:rotate(-45deg);border-radius:1px}

/* ---------- Why ---------- */
.why{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.why__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.why__item{background:var(--bg-3);padding:42px 38px;transition:background .25s}
.why__item:hover{background:var(--panel)}
.why__no{font-family:var(--font-disp);font-size:2.4rem;font-weight:700;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:14px;opacity:.9}
.why__item h3{font-size:1.35rem;font-weight:800;margin-bottom:12px}
.why__item p{color:var(--muted);font-size:.96rem;line-height:1.95}

/* ---------- Flow ---------- */
.flow__steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow}
.flow__steps li{position:relative;padding:30px 24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.flow__steps li::after{content:"→";position:absolute;right:-16px;top:50%;transform:translateY(-50%);color:var(--green);font-size:1.3rem;z-index:2}
.flow__steps li:last-child::after{display:none}
.flow__n{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  background:var(--grad);color:#04130d;font-family:var(--font-disp);font-weight:700;font-size:1.2rem;margin-bottom:18px}
.flow__steps h3{font-size:1.08rem;font-weight:700;margin-bottom:8px}
.flow__steps p{color:var(--muted);font-size:.88rem;line-height:1.8}

/* ---------- iCode ---------- */
.icode{background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.icode__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.icode__copy h2{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:900;line-height:1.3;margin-bottom:20px}
.icode__copy>p{color:var(--muted);line-height:2;margin-bottom:28px}
.icode__feats{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.icode__feats li{display:flex;flex-direction:column;gap:4px;padding-left:18px;position:relative}
.icode__feats li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px rgba(22,224,160,.6)}
.icode__feats b{font-size:1rem;color:var(--text)}
.icode__feats span{color:var(--muted);font-size:.86rem}
/* orbit visual */
.icode__visual{display:flex;justify-content:center;align-items:center;min-height:380px}
.orbit{position:relative;width:340px;height:340px}
.orbit__core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:108px;height:108px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-disp);font-weight:700;font-size:1.4rem;color:#04130d;
  background:var(--grad);box-shadow:0 0 50px rgba(22,224,160,.5);z-index:3}
.orbit__ring{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid var(--line-2);border-radius:50%}
.orbit__ring.r1{width:230px;height:230px;animation:spin 26s linear infinite}
.orbit__ring.r2{width:340px;height:340px;border-style:dashed;animation:spin 40s linear infinite reverse}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.orbit__node{position:absolute;font-size:.82rem;font-weight:700;color:var(--text);background:var(--panel);
  border:1px solid var(--line-2);padding:.45em 1em;border-radius:999px;white-space:nowrap;z-index:2;
  box-shadow:0 6px 20px -8px rgba(0,0,0,.6)}
.orbit__node.n1{left:50%;top:-2%;transform:translateX(-50%)}
.orbit__node.n2{right:-6%;top:34%}
.orbit__node.n3{right:2%;bottom:2%}
.orbit__node.n4{left:-4%;bottom:18%}
.orbit__node.n5{left:-2%;top:24%}

/* ---------- CTA band ---------- */
.cta-band{background:var(--grad);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 120%,rgba(0,0,0,.3),transparent 60%)}
.cta-band__inner{position:relative;z-index:2;text-align:center;padding:80px 24px}
.cta-band h2{color:#04130d;font-size:clamp(1.6rem,4vw,2.6rem);font-weight:900;margin-bottom:14px;line-height:1.4}
.cta-band h2 .grad{background:#04130d;-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-band p{color:rgba(4,19,13,.78);font-weight:500;margin-bottom:30px}
.cta-band .btn--primary{background:#04130d;color:var(--green);box-shadow:0 14px 36px -12px rgba(0,0,0,.5)}
.cta-band .btn--primary:hover{background:#0a2018}

/* ---------- Company ---------- */
.company__table{width:100%;border-collapse:collapse;max-width:880px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.company__table th,.company__table td{padding:18px 24px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem;vertical-align:top}
.company__table tr:last-child th,.company__table tr:last-child td{border-bottom:0}
.company__table th{background:var(--panel);color:var(--muted);font-weight:600;width:200px;white-space:nowrap}
.company__table td{color:var(--text)}
.company__table a{color:var(--green);text-decoration:underline;text-underline-offset:3px}

/* ---------- Contact ---------- */
.contact{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.contact__inner{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.contact__copy h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:900;line-height:1.35;margin-bottom:18px}
.contact__copy>p{color:var(--muted);line-height:2;margin-bottom:26px}
.contact__points{list-style:none;display:flex;flex-direction:column;gap:12px}
.contact__points li{color:var(--text);font-weight:500}
.contact__form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:36px;display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.86rem;color:var(--muted);font-weight:500}
.field label span{color:var(--green)}
.field input,.field select,.field textarea{font-family:var(--font-jp);font-size:.95rem;color:var(--text);
  background:var(--bg-3);border:1px solid var(--line-2);border-radius:var(--radius-sm);padding:.8em 1em;transition:border-color .2s,box-shadow .2s;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(22,224,160,.15)}
.field textarea{resize:vertical}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239AA8C2' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1em center}
.contact__note{font-size:.88rem;text-align:center;min-height:1em}
.contact__note.ok{color:var(--green)}
.contact__note.err{color:#ff7a7a}

/* ---------- Footer ---------- */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding-top:64px}
.footer__inner{display:grid;grid-template-columns:1.3fr 2fr;gap:48px;padding-bottom:48px}
.brand--footer{font-size:1.3rem;margin-bottom:16px}
.footer__brand p{color:var(--muted);font-size:.9rem;line-height:1.9}
.footer__nav{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer__nav h4{font-size:.85rem;color:var(--text);margin-bottom:14px;font-weight:700}
.footer__nav a{display:block;color:var(--muted);font-size:.88rem;margin-bottom:9px;transition:color .2s}
.footer__nav a:hover{color:var(--green)}
.footer__bar{border-top:1px solid var(--line);padding:22px 0}
.footer__bar-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer__bar small{color:var(--muted-2);font-size:.8rem}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   ENHANCED ANIMATIONS & EFFECTS
   ============================================================ */

/* ---- Scroll progress bar ---- */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;background:var(--grad);
  box-shadow:0 0 12px rgba(31,229,136,.6);transition:width .1s linear}

/* ---- Animated gradient text ---- */
.grad--anim{background:linear-gradient(100deg,#1FE588,#7CF0A8,#FF8A3D,#FF6A1A,#1FE588);
  background-size:280% auto;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradflow 6s linear infinite}
@keyframes gradflow{to{background-position:280% center}}

/* ---- Hero animated grid ---- */
.hero__grid{position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(31,229,136,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,229,136,.07) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%);
  animation:griddrift 22s linear infinite}
@keyframes griddrift{to{background-position:54px 54px,54px 54px}}

/* ---- Floating gradient orbs ---- */
.orb{position:absolute;z-index:0;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none;mix-blend-mode:screen}
.orb--g{width:440px;height:440px;background:radial-gradient(circle,rgba(31,229,136,.55),transparent 65%);
  left:-6%;top:8%;animation:float1 16s ease-in-out infinite}
.orb--o{width:380px;height:380px;background:radial-gradient(circle,rgba(255,106,26,.45),transparent 65%);
  right:-4%;bottom:2%;animation:float2 19s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(60px,40px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,-44px)}}

/* ---- Hero mouse spotlight ---- */
.hero__spot{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(380px circle at var(--mx,50%) var(--my,40%),rgba(31,229,136,.12),transparent 70%)}
.hero:hover .hero__spot{opacity:1}

/* ---- Marquee ---- */
.marquee{margin-top:22px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:inline-flex;align-items:center;gap:30px;white-space:nowrap;will-change:transform;
  animation:marquee 28s linear infinite;font-family:var(--font-disp);font-weight:600;font-size:1.05rem;letter-spacing:.03em}
.marquee__track span{color:var(--muted);text-transform:uppercase}
.marquee__track .dot-o{color:var(--orange);font-size:.6rem}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---- 3D tilt cards ---- */
[data-tilt]{transform-style:preserve-3d;transition:transform .18s ease,border-color .25s,box-shadow .25s;will-change:transform}
[data-tilt] > *{transform:translateZ(28px)}
.card.is-tilting{box-shadow:0 30px 70px -30px rgba(0,0,0,.85),0 0 30px -10px rgba(31,229,136,.25)}

/* ---- Glow sweep on metric hover ---- */
.metric > *{position:relative;z-index:1}
.metric::after{content:"";position:absolute;inset:0;z-index:0;border-radius:inherit;opacity:0;transition:opacity .4s;
  background:radial-gradient(220px circle at 50% 0%,rgba(255,106,26,.16),transparent 70%)}
.metric:hover::after{opacity:1}

/* ---- Button shimmer ---- */
.btn--primary{position:relative;overflow:hidden}
.btn--primary::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-18deg);transition:none}
.btn--primary:hover::after{left:150%;transition:left .7s ease}

/* ---- Eyebrow with animated line ---- */
.eyebrow{position:relative;padding-left:0}
.section.in .eyebrow::before{content:"";display:inline-block;width:26px;height:2px;background:var(--grad);
  vertical-align:middle;margin-right:10px;animation:linegrow .6s ease both}
@keyframes linegrow{from{width:0;opacity:0}to{width:26px;opacity:1}}

/* ---- Reveal stagger (children) ---- */
.cards .card,.why__item,.flow__steps li,.data__grid .metric{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.section.in .cards .card,.section.in .why__item,.section.in .flow__steps li,.section.in .data__grid .metric{opacity:1;transform:none}
.section.in .cards .card:nth-child(2),.section.in .why__item:nth-child(2),.section.in .flow__steps li:nth-child(2),.section.in .data__grid .metric:nth-child(2){transition-delay:.08s}
.section.in .cards .card:nth-child(3),.section.in .why__item:nth-child(3),.section.in .flow__steps li:nth-child(3),.section.in .data__grid .metric:nth-child(3){transition-delay:.16s}
.section.in .cards .card:nth-child(4),.section.in .why__item:nth-child(4),.section.in .flow__steps li:nth-child(4),.section.in .data__grid .metric:nth-child(4){transition-delay:.24s}
.section.in .data__grid .metric:nth-child(5){transition-delay:.32s}
.section.in .data__grid .metric:nth-child(6){transition-delay:.4s}

/* ---- Card gradient border on hover ---- */
.card{position:relative}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;opacity:0;transition:opacity .3s;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.card:hover::after{opacity:.7}

/* ---- Section entrance for headings ---- */
.section__head h2{opacity:0;transform:translateY(20px);transition:opacity .7s ease .1s,transform .7s ease .1s}
.section.in .section__head h2{opacity:1;transform:none}

/* ---- iCode core pulse ---- */
.orbit__core{animation:corepulse 3s ease-in-out infinite}
@keyframes corepulse{0%,100%{box-shadow:0 0 50px rgba(31,229,136,.45)}50%{box-shadow:0 0 70px rgba(255,106,26,.45)}}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .icode__inner,.contact__inner{grid-template-columns:1fr;gap:40px}
  .data__grid{grid-template-columns:repeat(2,1fr)}
  .metric--feature{grid-column:span 2}
  .flow__steps{grid-template-columns:repeat(2,1fr)}
  .flow__steps li::after{display:none}
}
@media (max-width:760px){
  html{scroll-padding-top:64px}
  .nav__inner{height:64px}
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav.open .nav__links{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:64px;left:0;right:0;
    background:rgba(6,10,20,.98);backdrop-filter:blur(14px);padding:22px 24px 26px;gap:18px;border-bottom:1px solid var(--line)}
  .nav.open .nav__cta{margin-left:0;margin-top:6px;justify-content:center}
  .pc-only{display:none}
  .sp-only{display:inline}
  .section{padding:74px 0}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:24px 12px}
  .hero__stats li:nth-child(2)::after{display:none}
  .strip__inner{flex-direction:column;align-items:flex-start;gap:14px}
  .cards,.why__grid,.data__grid{grid-template-columns:1fr}
  .metric--feature{grid-column:span 1}
  .flow__steps{grid-template-columns:1fr}
  .icode__feats{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;gap:32px}
  .footer__nav{grid-template-columns:1fr 1fr}
  .orbit{width:280px;height:280px}
  .orbit__ring.r2{width:280px;height:280px}
  .company__table th{width:120px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   GLOBAL 3D BACKGROUND（DNA螺旋 × シナプス）統合
   全ページの裏で固定し、各セクションを半透明にして透けさせる。
   スクロールに応じて配色が変化する（bg3d.js 側で制御）。
   ============================================================ */
html{background:#02030a}
body{background:transparent}

/* ① カラー背景（主役）：ページごとに色が変わる。JS(bg3d.js)が毎フレーム色を更新。 */
.bg-color{
  position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:#02030a;
}

/* ② 淡い線画テクスチャ（脇役）：色背景の上にうっすら乗るだけ */
#bg3d{
  position:fixed;inset:0;width:100vw;height:100vh;
  z-index:-2;display:block;pointer-events:none;
  opacity:.82;
}

/* ③ スクリム：中央（文字位置）を暗く、周辺は透過して色背景を見せる */
.bg-scrim{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 70% 50% at 50% 42%,rgba(2,3,8,.58) 0%,rgba(2,3,8,.22) 55%,transparent 84%),
    linear-gradient(180deg,rgba(2,3,8,.14),rgba(2,3,8,.28));
}

/* ヒーロー：文字をくっきり見せる */
.hero{background:transparent}
.hero__grid{opacity:.12}
.hero__lead,.hero__badge{text-shadow:0 2px 30px rgba(0,0,0,.78),0 1px 5px rgba(0,0,0,.7)}
.hero__lead strong{color:#fff}
/* タイトルは白で統一し、強めの影でくっきり読ませる（1箇所だけ色替えはしない） */
.hero__title{color:#FCFEFD;text-shadow:0 2px 34px rgba(0,0,0,.85),0 2px 8px rgba(0,0,0,.8),0 0 2px rgba(0,0,0,.6)}

/* 各セクションは“ごく薄い暗幕”だけ。線画＋カラー背景を全ページで透けさせる。
   濃い面は各コンテンツ（カード・表・フォーム）側のパネルで担保する。 */
.strip{background:rgba(4,6,9,.40);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.data{background:linear-gradient(180deg,rgba(4,6,9,.30) 0%,rgba(5,8,11,.46) 100%);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.services{background:rgba(4,6,9,.34);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.why{background:linear-gradient(180deg,rgba(5,8,11,.46),rgba(4,6,9,.30));backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.flow{background:rgba(4,6,9,.34);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.icode{background:linear-gradient(180deg,rgba(4,6,9,.30),rgba(5,8,11,.46));backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.company{background:rgba(4,6,9,.40);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.contact{background:linear-gradient(180deg,rgba(5,8,11,.46),rgba(4,6,9,.34));backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.footer{background:rgba(5,7,10,.60);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}

/* 見出し・リード等は直接背景に乗るのでシャドウで可読性を確保 */
.section__head h2,.section__sub,.eyebrow,
.icode__copy h2,.icode__copy>p,.icode__feats b,.icode__feats span,
.contact__copy h2,.contact__copy>p,.contact__points li,
.strip__lead,.table-note{
  text-shadow:0 2px 16px rgba(0,0,0,.72),0 1px 4px rgba(0,0,0,.6);
}

/* データが詰まったパネルは半透明パネル＋ブラーで、奥の線画をうっすら透かしつつ明瞭に */
.metric,.card,.flow__steps li,.contact__form,.hero__stats{
  background-color:rgba(13,17,15,.74);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.why__item{background:rgba(11,15,13,.70);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.table-wrap{background:rgba(11,15,13,.78);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.company__table{background:rgba(11,15,13,.74);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.company__table th{background:rgba(16,20,17,.6)}

@media (prefers-reduced-motion:reduce){
  /* 3D を出さない場合はダーク基調にフォールバック */
  #bg3d{display:none}
  .bg-scrim{display:none}
  html{background:var(--bg)}
}