:root{--ink:#0b2930;--soft:#4b676d;--green:#27b67b;--green-dark:#0d8b63;--blue:#2d9cf4;--aqua:#4bc7df;--line:rgba(11,41,48,.1);--card:rgba(255,255,255,.82);--shadow:0 26px 70px rgba(19,117,111,.13)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 8% 5%,rgba(68,215,158,.18),transparent 30rem),radial-gradient(circle at 92% 13%,rgba(69,179,245,.18),transparent 34rem),linear-gradient(180deg,#fbfffd 0%,#f6fffb 45%,#f9fcff 100%)}a{color:inherit;text-decoration:none}.site-header{min-height:80px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,6vw,100px)}.brand{display:flex;align-items:center;gap:12px;font-weight:850;font-size:21px;letter-spacing:-.04em}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(145deg,var(--green),var(--blue));box-shadow:0 12px 28px rgba(39,182,123,.22)}.brand-ai{color:var(--green)}nav{display:flex;gap:28px;color:var(--soft);font-size:14px}.hero{min-height:calc(100vh - 80px);display:grid;grid-template-columns:1fr .95fr;gap:7vw;align-items:center;padding:clamp(60px,7vw,100px) clamp(22px,6vw,100px) 110px}.eyebrow,.section-label{margin:0 0 22px;color:var(--green-dark);font-size:12px;font-weight:850;letter-spacing:.16em}.hero h1,.section-copy h2,.modules-intro h2{margin:0;font-size:clamp(54px,7vw,108px);line-height:.95;letter-spacing:-.065em}.hero h1 span,.section-copy h2 span,.modules-intro h2 span{display:block;color:var(--green)}.for-everyone{margin:18px 0 0;color:var(--green-dark);font-size:clamp(20px,1.7vw,28px);font-weight:750}
.hero-cta,.nav-cta,.release-cta{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800;transition:transform .2s ease,box-shadow .2s ease}
.hero-cta{margin-top:34px;min-height:52px;padding:0 25px;background:var(--ink);color:#fff;box-shadow:0 18px 38px rgba(11,41,48,.22)}
.hero-cta:hover,.nav-cta:hover,.release-cta:hover{transform:translateY(-2px)}
.nav-cta{padding:10px 17px;background:rgba(255,255,255,.78);border:1px solid var(--line);box-shadow:0 10px 28px rgba(19,117,111,.09)}

.hero-animation{
  position:relative;
  width:min(620px,100%);
  aspect-ratio:1/1;
  margin:auto;
  overflow:visible;
  border-radius:46px;
  background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.96),rgba(255,255,255,.58) 54%,transparent 76%)
}

/* AS-IS:
            AI
    Human         PC

   TO-BE:
            AI
             |
      PC --- HarmonAIze
             |
           Human
*/

.hero-icon{
  position:absolute;
  z-index:3;
  width:106px;
  height:106px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px)
}
.hero-icon svg{
  width:50px;
  height:50px;
  fill:none;
  stroke:var(--green-dark);
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round
}
.hero-ai{
  top:6%;
  left:50%;
  transform:translateX(-50%);
  animation:heroAiToBe 1.15s cubic-bezier(.22,.76,.2,1) 1.3s forwards
}
.hero-human{
  top:65%;
  left:20%;
  transform:translate(-50%,-50%);
  animation:heroHumanToBe 1.15s cubic-bezier(.22,.76,.2,1) 1.3s forwards
}
.hero-pc{
  top:65%;
  left:80%;
  transform:translate(-50%,-50%);
  animation:heroPcToBe 1.15s cubic-bezier(.22,.76,.2,1) 1.3s forwards
}
.hero-card{
  position:absolute;
  z-index:4;
  top:52%;
  left:68%;
  min-width:242px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  border:1px solid var(--line);
  border-radius:24px;
  background:rgba(255,255,255,.95);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
  opacity:0;
  transform:translate(-50%,-50%) scale(.72);
  pointer-events:none;
  animation:heroCardAppears .8s cubic-bezier(.2,.8,.2,1) 1.72s forwards
}
.hero-card-mark{
  width:52px;
  height:52px;
  display:grid;
  place-items:center;
  border-radius:16px;
  color:#fff;
  background:linear-gradient(145deg,var(--green),var(--blue));
  box-shadow:0 14px 30px rgba(39,182,123,.24);
  font-size:29px;
  font-weight:900
}
.hero-card strong{font-size:22px;letter-spacing:-.03em}
.hero-line{
  position:absolute;
  z-index:1;
  display:block;
  border-radius:999px;
  opacity:0
}
.hero-line-ai-pc{
  top:23%;
  left:calc(50% - 2px);
  width:4px;
  height:150px;
  background:linear-gradient(180deg,var(--blue),var(--green));
  transform:scaleY(0);
  transform-origin:top;
  animation:heroShowVertical .55s ease-out 2.12s forwards
}
.hero-line-pc-human{
  top:61%;
  left:calc(50% - 2px);
  width:4px;
  height:145px;
  background:linear-gradient(180deg,var(--green),var(--blue));
  transform:scaleY(0);
  transform-origin:top;
  animation:heroShowVertical .55s ease-out 2.32s forwards
}
.hero-line-pc-harmonaize{
  top:calc(52% - 2px);
  left:43%;
  width:102px;
  height:4px;
  background:linear-gradient(90deg,var(--green),var(--blue));
  transform:scaleX(0);
  transform-origin:left;
  animation:heroShowHorizontal .55s ease-out 2.48s forwards
}
@keyframes heroAiToBe{from{top:6%}to{top:4%}}
@keyframes heroHumanToBe{from{top:65%;left:20%}to{top:88%;left:50%}}
@keyframes heroPcToBe{from{top:65%;left:80%}to{top:52%;left:32%}}
@keyframes heroCardAppears{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.72)}
  72%{opacity:1;transform:translate(-50%,-50%) scale(1.045)}
  100%{opacity:1;transform:translate(-50%,-50%) scale(1)}
}
@keyframes heroShowVertical{to{opacity:1;transform:scaleY(1)}}
@keyframes heroShowHorizontal{to{opacity:1;transform:scaleX(1)}}

.section{padding:130px clamp(22px,6vw,100px);border-top:1px solid var(--line)}.split-section{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(54px,8vw,130px);align-items:center}.section-copy h2,.modules-intro h2{font-size:clamp(48px,5.8vw,86px)}.section-copy p,.modules-intro p{max-width:680px;color:var(--soft);font-size:clamp(18px,1.45vw,23px)}.platform-diagram,.safety-list,.challenge-grid,.module-details{border:1px solid var(--line);border-radius:30px;background:var(--card);box-shadow:var(--shadow);backdrop-filter:blur(16px)}.platform-diagram{padding:38px}.platform-ai{width:74px;height:74px;display:grid;place-items:center;margin:0 auto 24px;border-radius:50%;background:#fff;box-shadow:0 14px 34px rgba(32,145,139,.12)}.platform-ai svg{width:38px;height:38px;fill:none;stroke:var(--green-dark);stroke-width:1.7;stroke-linecap:round}.platform-branches{display:grid;grid-template-columns:repeat(3,1fr);width:72%;height:30px;margin:0 auto}.platform-branches span{border-top:2px dashed var(--aqua)}.platform-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.platform-tools article{display:grid;place-items:center;min-height:80px;border-radius:18px;background:linear-gradient(145deg,rgba(39,182,123,.08),rgba(45,156,244,.08))}.platform-layer{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:16px;min-height:76px;border-radius:18px}.platform-harmonaize{color:#fff;background:linear-gradient(90deg,var(--green),var(--blue))}.platform-harmonaize span{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:rgba(255,255,255,.18);font-weight:900}.platform-os{flex-direction:column;gap:0;background:linear-gradient(145deg,rgba(39,182,123,.05),rgba(45,156,244,.09))}.platform-os small{color:var(--soft)}.safety-list{padding:20px}.safety-list article{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:20px;border-bottom:1px solid var(--line)}.safety-list article:last-child{border-bottom:0}.list-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:linear-gradient(145deg,rgba(39,182,123,.12),rgba(45,156,244,.1));color:var(--green-dark);font-size:24px;font-weight:900}.safety-list h3,.safety-list p{margin:0}.safety-list h3{font-size:18px}.safety-list p{margin-top:5px;color:var(--soft)}.challenge-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;padding:16px}.challenge-grid article{min-height:180px;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;padding:18px;border-radius:20px;background:rgba(255,255,255,.72);border:1px solid var(--line)}.challenge-grid article span{color:var(--soft);font-size:13px}.challenge-answer{grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:12px;min-height:70px;border-radius:18px;background:linear-gradient(90deg,rgba(39,182,123,.09),rgba(45,156,244,.1))}.challenge-answer span{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#fff;background:linear-gradient(145deg,var(--green),var(--blue));font-weight:900}.modules-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(56px,7vw,110px);align-items:start}.modules-intro h3{margin:28px 0 0;color:var(--green-dark);font-size:clamp(24px,2.2vw,34px)}.modules-visual{display:grid;grid-template-columns:.75fr 1.25fr;gap:36px;align-items:center}.module-ring{position:relative;width:min(360px,100%);aspect-ratio:1;margin:auto;border:14px solid rgba(39,182,123,.13);border-radius:50%}.module-core,.module-dot{position:absolute;display:grid;place-items:center;border-radius:50%;color:#fff;box-shadow:0 16px 34px rgba(25,124,119,.18)}.module-core{width:92px;height:92px;top:50%;left:50%;transform:translate(-50%,-50%);background:linear-gradient(145deg,var(--green),var(--blue));font-size:47px;font-weight:900}.module-dot{width:70px;height:70px;font-size:30px}.module-anchor{top:-24px;left:50%;transform:translateX(-50%);background:#4b93db}.module-gate{right:-24px;top:50%;transform:translateY(-50%);background:#31b97e}.module-extend{bottom:-24px;left:50%;transform:translateX(-50%);background:#f3b236}.module-echo{left:-24px;top:50%;transform:translateY(-50%);background:#7665df}.module-details{padding:14px 22px}.module-details article{padding:18px 0;border-bottom:1px solid var(--line)}.module-details article:last-child{border-bottom:0}.module-details h3{margin:0 0 8px;font-size:17px}.module-details ul{margin:0;padding-left:20px;color:var(--soft)}
.release-section{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:48px;
  margin:0 clamp(22px,4vw,68px) 50px;
  padding:74px clamp(28px,5vw,74px);
  border-radius:34px;
  overflow:hidden;
  color:#fff;
  background:
    radial-gradient(circle at 15% 20%,rgba(163,255,210,.34),transparent 28rem),
    radial-gradient(circle at 85% 70%,rgba(142,229,255,.38),transparent 30rem),
    linear-gradient(120deg,#16a96e,#35b8d7);
  box-shadow:0 28px 80px rgba(24,145,132,.2)
}
.release-label{margin:0 0 20px;color:rgba(255,255,255,.8);font-size:12px;font-weight:850;letter-spacing:.16em}
.release-section h2{margin:0;font-size:clamp(46px,5.7vw,82px);line-height:.98;letter-spacing:-.06em}
.release-section p:last-child{margin:18px 0 0;color:rgba(255,255,255,.84);font-size:19px}
.release-cta{flex:0 0 auto;min-height:52px;padding:0 25px;background:#fff;color:var(--green-dark);box-shadow:0 18px 38px rgba(4,102,83,.19)}
footer{display:flex;justify-content:space-between;padding:34px clamp(22px,6vw,100px) 48px;color:var(--soft);border-top:1px solid var(--line)}footer strong{color:var(--ink)}@media(max-width:1080px){nav{display:none}.hero,.split-section,.modules-section{grid-template-columns:1fr}.hero-animation{width:min(620px,92vw)}.modules-visual{grid-template-columns:1fr 1.2fr}}@media(max-width:760px){.site-header{min-height:70px;padding-inline:20px}.hero,.section{padding-inline:20px}.hero{min-height:auto;padding-top:60px;padding-bottom:90px}.hero h1{font-size:clamp(48px,15vw,72px)}.hero-icon{width:84px;height:84px}.hero-icon svg{width:40px;height:40px}.hero-card{min-width:190px;padding:14px 16px}.hero-card strong{font-size:17px}.hero-card-mark{width:42px;height:42px;font-size:24px}.section{padding-top:90px;padding-bottom:90px}.challenge-grid{grid-template-columns:1fr}.challenge-grid article{min-height:120px}.modules-visual{grid-template-columns:1fr}.module-ring{margin-bottom:24px}footer{padding-inline:20px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-delay:0ms!important;animation-iteration-count:1!important}.hero-card,.hero-line{opacity:1}}

@media(max-width:760px){
  .hero-cta{margin-top:28px}
  .hero-icon{width:82px;height:82px}
  .hero-icon svg{width:39px;height:39px}
  .hero-card{left:69%;min-width:188px;gap:10px;padding:13px 15px;border-radius:20px}
  .hero-card-mark{width:42px;height:42px;border-radius:13px;font-size:24px}
  .hero-card strong{font-size:17px}
  .hero-line-ai-pc{height:126px}
  .hero-line-pc-human{height:122px}
  .hero-line-pc-harmonaize{width:76px}
  .release-section{align-items:flex-start;flex-direction:column;margin:0 14px 36px;padding:54px 26px;border-radius:28px}
}
@media(max-width:460px){
  .hero-human{left:18%}
  .hero-pc{left:82%}
  .hero-card{left:70%;min-width:164px}
  .hero-card strong{font-size:15px}
  @keyframes heroHumanToBe{from{top:65%;left:18%}to{top:88%;left:50%}}
  @keyframes heroPcToBe{from{top:65%;left:82%}to{top:52%;left:31%}}
}
@media(prefers-reduced-motion:reduce){
  .hero-ai{top:4%}
  .hero-human{top:88%;left:50%}
  .hero-pc{top:52%;left:32%}
  .hero-card,.hero-line{opacity:1}
  .hero-card{transform:translate(-50%,-50%) scale(1)}
  .hero-line-ai-pc,.hero-line-pc-human{transform:scaleY(1)}
  .hero-line-pc-harmonaize{transform:scaleX(1)}
}

body.modal-open{overflow:hidden}
.early-access-modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px}
.early-access-modal[hidden]{display:none}
.early-access-backdrop{position:absolute;inset:0;background:rgba(6,41,48,.72);backdrop-filter:blur(10px)}
.early-access-dialog{position:relative;z-index:1;width:min(1080px,100%);height:min(88vh,980px);border-radius:30px;overflow:hidden;background:#fff;box-shadow:0 40px 120px rgba(0,0,0,.35)}
.early-access-frame{display:block;width:100%;height:100%;border:0;background:#fff}
.early-access-close{position:absolute;top:16px;right:16px;z-index:2;width:44px;height:44px;border:0;border-radius:999px;background:rgba(255,255,255,.92);color:var(--ink);font-size:28px;line-height:1;cursor:pointer;box-shadow:0 10px 26px rgba(11,41,48,.18)}

@media(max-width:760px){
  .early-access-modal{padding:12px}
  .early-access-dialog{height:min(92vh,900px);border-radius:22px}
  .early-access-close{top:12px;right:12px;width:40px;height:40px}
}

/* Section 3 icons: inline SVG, no external icon dependency */
.challenge-grid article{
  justify-content:flex-start;
}
.challenge-icon{
  width:54px;
  height:54px;
  display:grid;
  place-items:center;
  margin-bottom:auto;
  border-radius:16px;
  color:#789097;
  background:linear-gradient(145deg,rgba(39,182,123,.07),rgba(45,156,244,.08));
}
.challenge-icon svg{
  width:31px;
  height:31px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.65;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.challenge-icon-dots{
  font-size:23px;
  font-weight:800;
  letter-spacing:.08em;
}
.challenge-grid article b{
  margin-top:20px;
}

/* Platform diagram: tree connector — AI → bar → resources → HarmonAIze */
.platform-diagram{
  display:flex;
  flex-direction:column;
  gap:0;
  position:relative;
}
.platform-ai{
  margin:0 auto 0;
}
.platform-diagram .platform-layer{
  margin-top:0;
}

.platform-tree{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:22px 2px 20px;
  gap:0 12px;
  width:100%;
}
.platform-tree-stem{
  grid-column:2;
  grid-row:1;
  justify-self:center;
  width:2px;
  background:var(--aqua);
  border-radius:999px;
}
.platform-tree-bar{
  grid-column:1/-1;
  grid-row:2;
  width:88%;
  justify-self:center;
  background:linear-gradient(90deg,var(--aqua),rgba(45,156,244,.6));
  border-radius:999px;
}
.platform-tree-drop{
  grid-row:3;
  justify-self:center;
  width:2px;
  background:var(--aqua);
  border-radius:999px;
}

.platform-tools{
  margin-top:8px;
}

.platform-tree-down{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0 12px;
  height:24px;
}
.platform-tree-down span{
  justify-self:center;
  width:2px;
  height:100%;
  border-radius:999px;
  background:var(--aqua);
}

.platform-harmonaize{
  margin-top:8px;
}
.platform-os{
  margin-top:18px;
}

@media(max-width:760px){
  .challenge-grid article{
    min-height:160px;
  }
  .platform-tree{
    grid-template-rows:16px 2px 14px;
    gap:0 8px;
  }
  .platform-tree-down{
    gap:0 8px;
    height:18px;
  }
}