/* =========================================================
   HarmonAIze LP V2
   既存 LP (harmonaize-web.com) のデザイントークン・タイポグラフィを継承
   ========================================================= */

:root {
  --ink: #0b2930;
  --soft: #4b676d;
  --green: #27b67b;
  --green-dark: #0d8b63;
  --blue: #2d9cf4;
  --aqua: #4bc7df;
  --alert: #e2564a;
  --alert-dark: #c33d32;
  --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; }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ================= HEADER ================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(22px, 6vw, 100px);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.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;
  font-weight: 900;
  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; align-items: center; gap: 28px; color: var(--soft); font-size: 14px; font-weight: 700; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--ink); }

.nav-cta {
  padding: 10px 17px;
  border-radius: 999px;
  font-weight: 800;
  background: rgba(255, 255, 255, .78);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(19, 117, 111, .09);
  transition: transform .2s ease, box-shadow .2s ease;
}
.nav-cta:hover { transform: translateY(-2px); }

/* ================= HERO ================= */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr .95fr;
  gap: 7vw;
  align-items: center;
  padding: calc(72px + 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;
}

.section-label-alert { color: var(--alert-dark); }

.hero h1 {
  margin: 0;
  font-size: clamp(54px, 7vw, 108px);
  line-height: .95;
  letter-spacing: -.065em;
}

.hero h1 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, .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, .release-cta:hover { transform: translateY(-2px); }

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

.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; stroke: var(--green-dark); }

.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);
  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;
  font-size: 29px;
  font-weight: 900;
  background: linear-gradient(145deg, var(--green), var(--blue));
  box-shadow: 0 14px 30px rgba(39, 182, 123, .24);
}
.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 BASE ================= */
.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 {
  margin: 0;
  font-size: clamp(48px, 5.8vw, 86px);
  line-height: .95;
  letter-spacing: -.065em;
}
.section-copy h2 span { display: block; color: var(--green); }
.section-copy h2 span.alert { color: var(--alert); }

.section-copy p {
  max-width: 680px;
  color: var(--soft);
  font-size: clamp(18px, 1.45vw, 23px);
  line-height: 1.75;
}

.section-copy-wide { max-width: 1000px; margin-bottom: 64px; }
.section-copy-wide p { max-width: 820px; }

.statement {
  margin-top: 34px;
  padding-left: 20px;
  border-left: 4px solid var(--green);
  color: var(--ink) !important;
  font-weight: 850;
  letter-spacing: -.025em;
  font-size: clamp(20px, 1.7vw, 26px) !important;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

/* ================= SCROLL REVEAL ================= */
.reveal > * {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1);
}
.reveal.is-visible > * { opacity: 1; transform: none; }
.reveal.is-visible > *:nth-child(2) { transition-delay: .14s; }
.reveal.is-visible > *:nth-child(3) { transition-delay: .26s; }

/* ================= 01 / EVOLUTION ================= */
.evolution {
  position: relative;
  padding: 44px 40px 40px 74px;
}

.evolution-rail {
  position: absolute;
  top: 60px; bottom: 60px; left: 40px;
  width: 3px;
  border-radius: 999px;
  background: rgba(11, 41, 48, .08);
  overflow: hidden;
}
.evolution-rail i {
  display: block;
  width: 100%; height: 100%;
  background: linear-gradient(180deg, var(--aqua), var(--green));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1.4s cubic-bezier(.2,.8,.2,1) .25s;
}
.reveal.is-visible .evolution-rail i { transform: scaleY(1); }

.evo-step { position: relative; padding: 22px 0 26px; }
.evo-step + .evo-step { border-top: 1px solid var(--line); }

.evo-dot {
  position: absolute;
  top: 30px; left: -36px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid rgba(11, 41, 48, .18);
}
.evo-step-now .evo-dot {
  border-color: var(--green);
  box-shadow: 0 0 0 6px rgba(39, 182, 123, .16);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 6px rgba(39, 182, 123, .16); }
  50% { box-shadow: 0 0 0 12px rgba(39, 182, 123, .04); }
}

.evo-tag {
  margin: 0 0 8px;
  color: var(--soft);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .14em;
}
.evo-step-now .evo-tag { color: var(--green-dark); }

.evo-step h3 {
  margin: 0;
  font-size: clamp(26px, 2.4vw, 36px);
  letter-spacing: -.04em;
  color: rgba(11, 41, 48, .42);
}
.evo-step-now h3 { color: var(--ink); }

.evo-desc { margin: 8px 0 0; color: var(--soft); font-size: 16px; }

.evo-targets { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.evo-targets span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  color: var(--green-dark);
  background: linear-gradient(145deg, rgba(39, 182, 123, .1), rgba(45, 156, 244, .1));
  border: 1px solid rgba(39, 182, 123, .2);
}
.evo-targets svg { width: 18px; height: 18px; }

/* ================= 02 / NEW PROBLEM ================= */
.problem-section {
  background: linear-gradient(180deg, rgba(226, 86, 74, .045), transparent 46%);
}

.matrix {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.matrix-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr clamp(96px, 11vw, 148px) 1fr;
  gap: clamp(14px, 1.7vw, 26px);
  align-items: stretch;
}

.matrix-col-name {
  margin: 0;
  padding: 12px 18px;
  border-radius: 999px;
  text-align: center;
  font-size: clamp(13px, 1.05vw, 15px);
  font-weight: 900;
  letter-spacing: .05em;
}
.matrix-col-name.legacy { color: var(--green-dark); background: rgba(39, 182, 123, .12); }
.matrix-col-name.ai { color: var(--alert-dark); background: rgba(226, 86, 74, .12); }

.matrix-stage {
  position: relative;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .04em;
  line-height: 1.45;
  color: var(--soft);
}
.matrix-row:not(:last-child) .matrix-stage::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: calc(-16px - 1px);
  width: 2px;
  height: 18px;
  transform: translateX(-50%);
  background: rgba(11, 41, 48, .12);
}

.matrix-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(16px, 1.8vw, 24px);
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .72);
}
.matrix-cell.legacy { border-color: rgba(39, 182, 123, .22); }
.matrix-cell.ai { border-color: rgba(226, 86, 74, .26); }
.matrix-cell.is-key { background: #fff; box-shadow: 0 16px 42px rgba(19, 117, 111, .1); }
.matrix-cell.legacy.is-key { border-color: rgba(39, 182, 123, .45); }
.matrix-cell.ai.is-key { border-color: rgba(226, 86, 74, .5); }

.cell-lead { margin: 0; color: var(--soft); font-size: 13px; line-height: 1.6; }

.cell-when {
  margin: 0;
  align-self: flex-start;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .05em;
  color: var(--green-dark);
  background: rgba(39, 182, 123, .13);
}
.cell-when.warn { color: var(--alert-dark); background: rgba(226, 86, 74, .13); }

.cell-main {
  margin: 0;
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: -.02em;
}
.cell-main b { font-weight: 900; }
.matrix-cell.legacy .cell-main b { color: var(--green-dark); }
.matrix-cell.ai .cell-main b { color: var(--alert-dark); }

.opt-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.opt-list li {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  background: rgba(39, 182, 123, .08);
  border: 1px solid rgba(39, 182, 123, .22);
}
.opt-list-open li { background: rgba(226, 86, 74, .08); border-color: rgba(226, 86, 74, .24); }

.opt-ghost { border-style: dashed !important; opacity: .55; }
.opt-ghost + .opt-ghost { opacity: .28; }
.opt-ghost span {
  display: block;
  height: 9px;
  width: 68%;
  border-radius: 999px;
  background: var(--alert);
  opacity: .5;
}
.opt-ghost + .opt-ghost span { width: 44%; }

.result-badge {
  margin: 4px 0 0;
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: clamp(15px, 1.3vw, 19px);
  font-weight: 900;
  letter-spacing: .09em;
  color: #fff;
  background: linear-gradient(120deg, var(--green-dark), var(--green));
  box-shadow: 0 14px 32px rgba(39, 182, 123, .28);
}
.result-badge svg {
  width: 18px; height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.result-note {
  margin: 0;
  text-align: center;
  color: var(--alert-dark);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.6;
}

.scope-value {
  margin: 0;
  font-size: clamp(15px, 1.25vw, 19px);
  font-weight: 900;
  letter-spacing: -.025em;
  line-height: 1.5;
  color: var(--green-dark);
}
.scope-value.alert { color: var(--alert-dark); }

.scope-viz {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  min-height: 46px;
  padding: 12px 14px;
  border-radius: 14px;
}
.scope-viz i { width: 10px; height: 10px; border-radius: 50%; flex: none; }

.scope-finite { border: 1px solid rgba(39, 182, 123, .38); background: rgba(39, 182, 123, .07); }
.scope-finite i { background: var(--green-dark); }

.scope-infinite {
  overflow: hidden;
  padding-right: 40px;
  border: 1px solid rgba(226, 86, 74, .3);
  border-right-style: dashed;
  background: linear-gradient(90deg, rgba(226, 86, 74, .1), rgba(226, 86, 74, 0));
}
.scope-infinite i { background: var(--alert); }
.scope-infinite i:nth-child(4) { opacity: .86; }
.scope-infinite i:nth-child(5) { opacity: .72; }
.scope-infinite i:nth-child(6) { opacity: .6; }
.scope-infinite i:nth-child(7) { opacity: .49; }
.scope-infinite i:nth-child(8) { opacity: .39; }
.scope-infinite i:nth-child(9) { opacity: .3; }
.scope-infinite i:nth-child(10) { opacity: .22; }
.scope-infinite i:nth-child(11) { opacity: .15; }
.scope-infinite i:nth-child(12) { opacity: .09; }
.scope-inf {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  color: var(--alert-dark);
}

.problem-banner {
  position: relative;
  overflow: hidden;
  margin: clamp(40px, 5vw, 64px) 0 0;
  padding: clamp(36px, 4.6vw, 58px) clamp(24px, 3vw, 44px);
  border-radius: 30px;
  text-align: center;
  color: #fff;
  background: linear-gradient(120deg, #a32d23, #e2564a 58%, #f0705f);
  box-shadow: 0 34px 96px rgba(180, 55, 44, .3);
}
.problem-banner::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, .22);
  pointer-events: none;
}
.problem-banner-formula {
  margin: 0;
  color: #fff;
  font-size: clamp(26px, 3.6vw, 54px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.05em;
}
.problem-banner-note {
  position: relative;
  margin: clamp(18px, 2vw, 26px) auto 0;
  max-width: 46em;
  padding-top: clamp(16px, 1.8vw, 22px);
  border-top: 1px solid rgba(255, 255, 255, .26);
  color: rgba(255, 255, 255, .9);
  font-size: clamp(15px, 1.15vw, 18px);
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: 0;
}
.problem-banner-note b {
  color: #fff;
  font-weight: 800;
  background: linear-gradient(transparent 62%, rgba(255, 255, 255, .28) 62%);
  padding: 0 .1em;
}
.problem-banner em {
  font-style: normal;
  display: inline-block;
  margin: 0 .12em;
  color: #ffd9d4;
  animation: notEqual 2.6s ease-in-out infinite;
}
@keyframes notEqual {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.22); }
}

/* ================= 03 / THE LIMITS ================= */
.limits-section {
  background: linear-gradient(180deg, rgba(11, 41, 48, .04), transparent 42%);
}

.measure-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 1.6vw, 22px);
  align-items: stretch;
}

.measure {
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 2.1vw, 30px);
  border-radius: 26px;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 16px 44px rgba(19, 117, 111, .08);
  backdrop-filter: blur(16px);
  transition: transform .3s ease, box-shadow .3s ease;
}
.measure:hover { transform: translateY(-6px); box-shadow: var(--shadow); }

.measure-icon {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--green-dark);
  background: linear-gradient(145deg, rgba(39, 182, 123, .1), rgba(45, 156, 244, .1));
}
.measure-icon svg { width: 28px; height: 28px; }

.measure-name {
  margin: 18px 0 8px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
  color: var(--green-dark);
}

.measure h3 {
  margin: 0 0 18px;
  font-size: clamp(16px, 1.32vw, 19px);
  letter-spacing: -.03em;
  line-height: 1.5;
}

.measure-can,
.measure-gap {
  padding: 15px 16px;
  border-radius: 16px;
}
.measure-can {
  background: linear-gradient(145deg, rgba(39, 182, 123, .13), rgba(45, 156, 244, .07));
  border: 1px solid rgba(39, 182, 123, .24);
}
.measure-gap {
  flex: 1;
  margin-top: 10px;
  background: rgba(226, 86, 74, .07);
  border: 1px solid rgba(226, 86, 74, .24);
}

.measure-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 9px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .1em;
}
.measure-tag::before {
  display: grid;
  place-items: center;
  width: 17px; height: 17px;
  border-radius: 50%;
  font-size: 11px;
  line-height: 1;
  color: #fff;
}
.measure-can .measure-tag { color: var(--green-dark); }
.measure-can .measure-tag::before { content: '✓'; background: var(--green-dark); }
.measure-gap .measure-tag { color: var(--alert-dark); }
.measure-gap .measure-tag::before { content: '!'; background: var(--alert); }

.measure-can p + p,
.measure-gap p + p {
  margin: 0;
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.75;
  color: var(--ink);
}
.measure-gap p + p { color: rgba(147, 60, 51, .95); }

.measure-bridge {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 1.6vw, 22px);
  height: clamp(34px, 3.4vw, 48px);
}
.measure-bridge i {
  justify-self: center;
  width: 2px;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--green), var(--blue));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .8s cubic-bezier(.2,.8,.2,1) .35s;
}
.reveal.is-visible .measure-bridge i { transform: scaleY(1); }

.measure-answer {
  padding: clamp(30px, 3.4vw, 44px) 26px;
  border-radius: 26px;
  text-align: center;
  color: #fff;
  background: linear-gradient(120deg, var(--ink), #14454f);
  box-shadow: 0 22px 56px rgba(11, 41, 48, .22);
}
.measure-answer b { display: block; font-size: clamp(18px, 1.8vw, 25px); letter-spacing: -.035em; }
.measure-answer small {
  display: block;
  margin: 14px auto 0;
  max-width: 40em;
  color: rgba(255, 255, 255, .74);
  font-size: 14px;
  line-height: 1.85;
}

/* ================= 04 / GOVERNANCE ================= */
.governance-section {
  background: linear-gradient(180deg, rgba(39, 182, 123, .05), transparent 55%);
}

.lifecycle { padding: clamp(36px, 4.5vw, 60px) clamp(26px, 4vw, 54px); }

.lifecycle-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2.2vw, 30px);
}

.lifecycle-line {
  position: absolute;
  top: 57px;
  left: 8%;
  right: 8%;
  height: 3px;
  border-radius: 999px;
  background: rgba(11, 41, 48, .08);
  overflow: hidden;
}
.lifecycle-line i {
  display: block;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, var(--green), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.5s cubic-bezier(.2,.8,.2,1) .3s;
}
.reveal.is-visible .lifecycle-line i { transform: scaleX(1); }

.phase { position: relative; z-index: 1; text-align: center; }

.phase-time {
  margin: 0 0 18px;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .14em;
  color: var(--soft);
}

.phase-icon {
  width: 72px; height: 72px;
  display: grid;
  place-items: center;
  margin: 0 auto;
  border-radius: 22px;
  color: var(--green-dark);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 36px rgba(19, 117, 111, .12);
}
.phase-icon svg { width: 32px; height: 32px; }

.phase h3 {
  margin: 18px 0 8px;
  font-size: clamp(18px, 1.7vw, 24px);
  letter-spacing: -.035em;
}

.phase p { margin: 0; color: var(--soft); font-size: 14px; line-height: 1.6; }

.lifecycle-bracket {
  position: relative;
  height: 34px;
  margin: 40px 6% 0;
  border: 3px solid var(--green);
  border-top: 0;
  border-radius: 0 0 22px 22px;
  opacity: 0;
  transform: scaleX(.55);
  transition: opacity .7s ease 1.3s, transform .8s cubic-bezier(.2,.8,.2,1) 1.3s;
}
.reveal.is-visible .lifecycle-bracket { opacity: 1; transform: scaleX(1); }

.lifecycle-title { margin-top: 26px; text-align: center; }
.lifecycle-title b {
  display: block;
  font-size: clamp(34px, 4.4vw, 62px);
  letter-spacing: -.06em;
  line-height: 1;
  background: linear-gradient(100deg, var(--green-dark), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lifecycle-title small {
  display: block;
  margin-top: 12px;
  color: var(--soft);
  font-size: clamp(13px, 1.2vw, 17px);
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.lifecycle-title p {
  max-width: 620px;
  margin: 22px auto 0;
  color: var(--soft);
  font-size: 16px;
  line-height: 1.8;
}

/* ================= 05 / PLATFORM ================= */
.platform { padding: clamp(32px, 3.6vw, 46px); }

.platform-ai {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 92px;
  border-radius: 22px;
  color: var(--green-dark);
  background: linear-gradient(145deg, rgba(45, 156, 244, .12), rgba(75, 199, 223, .1));
  border: 1px solid rgba(45, 156, 244, .22);
}
.platform-ai svg { width: 36px; height: 36px; }
.platform-ai b { font-size: 22px; letter-spacing: -.03em; }

.platform-connector {
  display: block;
  height: 34px;
  margin: 0 auto;
  width: 3px;
  background: rgba(11, 41, 48, .08);
  overflow: hidden;
}
.platform-connector i {
  display: block;
  width: 100%; height: 100%;
  background: linear-gradient(180deg, var(--blue), var(--green));
  animation: flowDown 2.2s ease-in-out infinite;
}
@keyframes flowDown {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

.platform-core {
  padding: 26px 24px;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(100deg, var(--green), var(--blue));
  box-shadow: 0 24px 60px rgba(39, 182, 123, .28);
}

.platform-core-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.platform-core-head span {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: rgba(255, 255, 255, .2);
  font-weight: 900;
}
.platform-core-head b { font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -.04em; }

.platform-core-fn {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 22px;
}
.platform-core-fn span {
  padding: 10px 4px;
  border-radius: 12px;
  text-align: center;
  font-size: 13px;
  font-weight: 800;
  background: rgba(255, 255, 255, .18);
}

.platform-targets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.platform-targets article {
  display: grid;
  place-items: center;
  gap: 10px;
  min-height: 104px;
  border-radius: 18px;
  color: var(--green-dark);
  background: linear-gradient(145deg, rgba(39, 182, 123, .08), rgba(45, 156, 244, .08));
}
.platform-targets svg { width: 26px; height: 26px; }
.platform-targets b { color: var(--ink); font-size: 14px; }

/* ================= 06 / CTA ================= */
.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;
  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(40px, 5vw, 72px); line-height: .98; letter-spacing: -.06em; }
.release-section h2 span { display: block; color: rgba(255, 255, 255, .78); }
.release-section p:last-child { margin: 20px 0 0; color: rgba(255, 255, 255, .86); font-size: 19px; font-weight: 700; letter-spacing: .04em; }
.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 ================= */
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 34px clamp(22px, 6vw, 100px) 48px;
  color: var(--soft);
  border-top: 1px solid var(--line);
}
footer strong { color: var(--ink); }
.footer-nav { display: flex; gap: 20px; font-size: 13px; }

/* ================= RESPONSIVE ================= */
@media (max-width: 1080px) {
  nav { display: none; }
  .hero, .split-section { grid-template-columns: 1fr; }
  .hero-animation { width: min(620px, 92vw); }
  .measure-grid { grid-template-columns: 1fr 1fr; }
  .measure-bridge { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .matrix-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .matrix-stage {
    order: -1;
    grid-column: 1 / -1;
    padding: 4px 0;
    color: var(--ink);
  }
  .matrix-row:not(:last-child) .matrix-stage::after { display: none; }
  .matrix-row-head .matrix-stage { display: none; }
}

@media (max-width: 860px) {
  .lifecycle-track { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .lifecycle-line { display: none; }
  .lifecycle-bracket { margin-inline: 0; }
}

@media (max-width: 760px) {
  .header { min-height: 70px; padding-inline: 20px; }
  .hero, .section { padding-inline: 20px; }
  .hero { min-height: auto; padding-top: 130px; padding-bottom: 90px; }
  .hero h1 { font-size: clamp(48px, 15vw, 72px); }
  .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; }
  .section { padding-top: 90px; padding-bottom: 90px; }
  .evolution { padding: 32px 24px 30px 58px; }
  .evolution-rail { left: 26px; }
  .evo-dot { left: -38px; }
  .matrix-cell { padding: 14px; border-radius: 16px; }
  .measure-grid { grid-template-columns: 1fr; }
  .measure-bridge { grid-template-columns: 1fr; height: 28px; }
  .measure-bridge i:nth-child(n+2) { display: none; }
  .lifecycle-track { grid-template-columns: 1fr; }
  .platform-core-fn, .platform-targets { grid-template-columns: 1fr 1fr; }
  .release-section { align-items: flex-start; flex-direction: column; margin: 0 14px 36px; padding: 54px 26px; border-radius: 28px; }
  footer { padding-inline: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .hero-ai { top: 4%; }
  .hero-human { top: 88%; left: 50%; }
  .hero-pc { top: 52%; left: 32%; }
  .hero-card { opacity: 1; transform: translate(-50%,-50%) scale(1); }
  .hero-line { opacity: 1; }
  .hero-line-ai-pc, .hero-line-pc-human { transform: scaleY(1); }
  .hero-line-pc-harmonaize { transform: scaleX(1); }
  .reveal > * { opacity: 1; transform: none; }
  .evolution-rail i { transform: scaleY(1); }
  .lifecycle-line i { transform: scaleX(1); }
  .measure-bridge i { transform: scaleY(1); }
  .lifecycle-bracket { opacity: 1; transform: none; }
}