/* 同心永益 — Design tokens from brand PDF */
:root {
  --green: #2d5e47;
  --green-deep: #1a3c34;
  --green-mid: #5b8c59;
  --mint: #d6e8dd;
  --mint-2: #dbede5;
  --gold: #c9a026;
  --gold-soft: #f4edce;
  --bg: #f7f8f7;
  --bg-2: #eef3f0;
  --white: #ffffff;
  --text: #2a2f2c;
  --text-muted: #5a5a5a;
  --text-faint: #9a9a9a;
  --line: rgba(45, 94, 71, 0.12);
  --shadow: 0 18px 48px rgba(26, 60, 52, 0.06);
  --radius: 18px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Outfit", "Noto Sans SC", sans-serif;
  --max: 1180px;
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

strong {
  font-weight: 600;
  color: var(--green-deep);
}

/* Atmosphere */
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
  background:
    radial-gradient(ellipse 80% 50% at 70% 10%, rgba(214, 232, 221, 0.55), transparent 55%),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(244, 237, 206, 0.22), transparent 50%),
    linear-gradient(180deg, #fafbfa 0%, var(--bg) 40%, #f3f6f4 100%);
}

.bg-grid::after {
  content: "";
  position: absolute;
  inset: -20% 0;
  background-image:
    linear-gradient(rgba(45, 94, 71, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 94, 71, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
}

.parallax-orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
  will-change: transform;
}

.parallax-orb-a {
  width: 42vw;
  height: 42vw;
  max-width: 520px;
  max-height: 520px;
  top: 8%;
  right: -8%;
  background: radial-gradient(circle, rgba(214, 232, 221, 0.7), transparent 70%);
}

.parallax-orb-b {
  width: 36vw;
  height: 36vw;
  max-width: 420px;
  max-height: 420px;
  bottom: 12%;
  left: -10%;
  background: radial-gradient(circle, rgba(244, 237, 206, 0.45), transparent 70%);
}

main,
.site-header,
.site-footer {
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  backdrop-filter: blur(16px);
  background: rgba(247, 248, 247, 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  z-index: 100;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 30px rgba(26, 60, 52, 0.04);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.logo-mark {
  width: 10px;
  height: 10px;
  background: var(--green);
  transform: rotate(45deg);
  box-shadow: 0 0 0 3px rgba(45, 94, 71, 0.15);
}

.logo-text {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--green-deep);
}

.nav {
  display: flex;
  gap: 1.15rem;
  margin-left: auto;
  font-size: 0.86rem;
  color: var(--text-muted);
  flex-wrap: nowrap;
}

.nav a {
  position: relative;
  transition: color 0.2s;
  white-space: nowrap;
}

.nav a:hover,
.nav a.is-active {
  color: var(--green);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav a:hover::after,
.nav a.is-active::after {
  transform: scaleX(1);
}

.nav-cta {
  flex-shrink: 0;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--green);
  border: 1px solid rgba(45, 94, 71, 0.35);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.nav-cta:hover {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--green-deep);
}

/* Shared */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1rem;
}

.diamond {
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: 999px;
  transition: transform 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(45, 94, 71, 0.22);
}

.btn-primary:hover {
  background: var(--green-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--green);
  border: 1px solid rgba(45, 94, 71, 0.28);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--green-deep);
}

.bullet-list li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.55rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--gold);
  transform: rotate(45deg);
}

.num-list {
  counter-reset: n;
}

.num-list li {
  counter-increment: n;
  position: relative;
  padding-left: 2.2rem;
  margin-bottom: 0.65rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.num-list li::before {
  content: counter(n, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.04em;
}

/* Hero — sticky parallax */
.parallax-hero {
  position: relative;
  height: 185vh;
}

.parallax-hero-sticky {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow: hidden;
  display: flex;
  align-items: center;
}

.parallax-hero .hero {
  min-height: auto;
  height: 100%;
  width: 100%;
  padding-top: clamp(1.5rem, 4vh, 3rem);
  padding-bottom: clamp(2rem, 5vh, 3.5rem);
}

.hero-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--text-faint);
  pointer-events: none;
  z-index: 5;
  transition: opacity 0.3s;
}

.hero-scroll-hint i {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--green), transparent);
  animation: hint-drip 1.6s ease-in-out infinite;
}

@keyframes hint-drip {
  0%, 100% { transform: scaleY(0.5); opacity: 0.35; }
  50% { transform: scaleY(1); opacity: 1; }
}

.parallax-hero.is-past .hero-scroll-hint {
  opacity: 0;
}

/* Hero */
.hero {
  min-height: calc(100vh - var(--header-h));
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2rem, 5vh, 4rem) clamp(1.25rem, 4vw, 2rem) clamp(3rem, 6vh, 5rem);
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.hero-copy {
  max-width: 28rem;
  will-change: transform, opacity;
}

.brand {
  font-size: clamp(3.2rem, 7vw, 5.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.08em;
  color: var(--green-deep);
  margin-bottom: 0.5rem;
}

.hero-kicker {
  font-size: 1.05rem;
  color: var(--green);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
  font-weight: 500;
}

.hero-lead {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 22em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.hero-meta {
  font-size: 0.82rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

.hero-visual {
  position: relative;
  width: 100%;
  min-height: clamp(360px, 52vh, 520px);
  height: clamp(360px, 52vh, 520px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  will-change: transform, opacity;
}

.hero-visual canvas {
  width: 100% !important;
  height: 100% !important;
  min-height: clamp(360px, 52vh, 520px);
  display: block;
  touch-action: none;
}

.hero3d-glow {
  position: absolute;
  inset: 18% 10% 8%;
  background: radial-gradient(ellipse at 50% 60%, rgba(214, 232, 221, 0.55), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Parallax sections */
.parallax-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.section-parallax-bg {
  position: absolute;
  left: 50%;
  top: -15%;
  width: 100vw;
  height: 130%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(214, 232, 221, 0.55), transparent 70%),
    radial-gradient(ellipse 40% 35% at 10% 80%, rgba(244, 237, 206, 0.28), transparent 65%);
  will-change: transform;
}

.parallax-section .watermark,
.parallax-section .section-head,
.parallax-section .closing-copy,
.parallax-section .closing-visual {
  will-change: transform;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Sections */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4.5rem, 10vh, 7rem) clamp(1.25rem, 4vw, 2rem);
}

.section-tint {
  position: relative;
}

.section-tint::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 100vw;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(214, 232, 221, 0.35), rgba(247, 248, 247, 0.2) 70%);
  z-index: -1;
  pointer-events: none;
}

.section-head {
  position: relative;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  max-width: 40rem;
}

.section-head h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--green-deep);
  letter-spacing: 0.06em;
  margin-bottom: 0.85rem;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.watermark {
  position: absolute;
  right: -0.2em;
  top: -0.35em;
  font-family: var(--font-en);
  font-size: clamp(5rem, 12vw, 8.5rem);
  font-weight: 600;
  line-height: 1;
  color: rgba(45, 94, 71, 0.06);
  pointer-events: none;
  letter-spacing: -0.04em;
  z-index: -1;
}

.sub-block {
  margin-top: 4rem;
}

.sub-head {
  margin-bottom: 1.75rem;
}

.sub-head h3 {
  font-size: 1.35rem;
  color: var(--green-deep);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.sub-head p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 42rem;
}

/* TOC */
.toc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem 1.5rem;
}

.toc-grid li a {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  grid-template-rows: auto auto;
  column-gap: 1rem;
  padding: 1.25rem 1.35rem;
  background: var(--white);
  border: 1px solid rgba(45, 94, 71, 0.08);
  border-radius: 14px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.toc-grid li a:hover {
  border-color: rgba(201, 160, 38, 0.45);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.toc-grid span {
  grid-row: 1 / 3;
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--gold);
  align-self: center;
}

.toc-grid strong {
  font-size: 1.05rem;
  color: var(--green-deep);
}

.toc-grid em {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.toc-grid li:last-child {
  grid-column: 1 / -1;
}

.toc-grid li:last-child a {
  max-width: calc(50% - 0.75rem);
}

/* Overview */
.deep-intro {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  max-width: 46rem;
}

.deep-intro h3 {
  font-size: 1.35rem;
  color: var(--green-deep);
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}

.deep-intro p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.stat-block {
  padding: 1.5rem 0 1.25rem;
  border-top: 1px solid var(--line);
}

.stat-label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  margin-bottom: 0.65rem;
}

.stat-value {
  display: block;
  font-family: var(--font-en);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--green);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.stat-value.accent {
  color: var(--gold);
}

.stat-block p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.loop-block {
  padding-top: 0.5rem;
}

.loop-head {
  margin-bottom: 2rem;
}

.loop-head h3 {
  font-size: 1.35rem;
  color: var(--green-deep);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.loop-head p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.loop-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.loop-steps li {
  position: relative;
  padding-top: 0.25rem;
}

.loop-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 1.15rem;
  left: 2.6rem;
  right: -0.5rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(45, 94, 71, 0.2), transparent);
  pointer-events: none;
}

.loop-steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.85rem;
}

.loop-steps li[data-tone="green"] span { background: var(--green); }
.loop-steps li[data-tone="gold"] span { background: var(--gold); }
.loop-steps li[data-tone="blue"] span { background: #3a7ca5; }
.loop-steps li[data-tone="moss"] span { background: var(--green-mid); }
.loop-steps li[data-tone="ochre"] span { background: #d3754f; }

.loop-steps strong {
  display: block;
  font-size: 1.05rem;
  color: var(--green-deep);
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.loop-steps em {
  font-style: normal;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Tracks */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.track {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.65rem 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(45, 94, 71, 0.06);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.track:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 52px rgba(26, 60, 52, 0.09);
  border-color: rgba(201, 160, 38, 0.35);
}

.track-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.track h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--green-deep);
  flex: 1;
}

.badge {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--green);
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
}

.track ul li {
  position: relative;
  padding-left: 0.85rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}

.track ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 2px;
  height: 0.95em;
  background: var(--green);
  border-radius: 1px;
}

/* Cases deep */
.case-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.case-deep {
  background: var(--white);
  border: 1px solid rgba(45, 94, 71, 0.08);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.case-deep > header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.35rem 1.75rem;
  background: linear-gradient(90deg, rgba(214, 232, 221, 0.55), transparent);
  border-bottom: 1px solid var(--line);
}

.case-idx {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--gold);
  min-width: 2rem;
}

.case-deep header time {
  display: block;
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}

.case-deep header h3 {
  font-size: 1.25rem;
  color: var(--green-deep);
  font-weight: 600;
}

.case-tag {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--green);
  background: var(--mint);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
}

.case-tag.exit {
  color: #8a5a3a;
  background: #f3e6d8;
}

.case-tag.gold {
  color: #7a6210;
  background: var(--gold-soft);
}

.case-deep.featured > header {
  background: linear-gradient(90deg, rgba(45, 94, 71, 0.12), transparent);
}

.case-deep.outlook > header {
  background: linear-gradient(90deg, rgba(244, 237, 206, 0.7), transparent);
}

.case-body {
  padding: 1.5rem 1.75rem 1.75rem;
}

.case-body > p {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.case-body h4 {
  font-size: 0.9rem;
  color: var(--green);
  letter-spacing: 0.08em;
  margin: 1.25rem 0 0.65rem;
  font-weight: 600;
}

.case-body dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.case-body dt {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 0.35rem;
}

.case-body dd {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.case-body dd strong {
  color: var(--gold);
  font-size: 1.1rem;
}

.case-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 0.5rem 0 0.5rem;
}

.case-cols p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.case-cols strong {
  color: var(--gold);
}

/* Compare table */
.table-wrap {
  margin-top: 1rem;
}

.table-wrap h3 {
  font-size: 1.25rem;
  color: var(--green-deep);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.table-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.table-scroll {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--white);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: 0.9rem;
}

.compare-table th {
  text-align: left;
  padding: 1rem 1.15rem;
  background: rgba(214, 232, 221, 0.55);
  color: var(--green-deep);
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.compare-table td {
  padding: 0.95rem 1.15rem;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
}

.compare-table tbody tr:hover td {
  background: rgba(214, 232, 221, 0.2);
}

.compare-table td:first-child {
  color: var(--green-deep);
  font-weight: 500;
}

.compare-table td:last-child {
  color: var(--gold);
  font-weight: 600;
}

/* Strategy deep */
.strategy-block {
  margin-bottom: 3.25rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

.strategy-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.strategy-block-head {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.strategy-num {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--gold);
  line-height: 1.2;
}

.strategy-block-head h3 {
  font-size: 1.3rem;
  color: var(--green-deep);
  font-weight: 600;
  margin-bottom: 0.55rem;
  letter-spacing: 0.03em;
}

.strategy-block-head p {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 48rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.pill-row span {
  font-size: 0.85rem;
  color: var(--green);
  padding: 0.45rem 0.95rem;
  background: var(--mint);
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.ratio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
}

.ratio-card {
  background: var(--white);
  border: 1px solid rgba(45, 94, 71, 0.08);
  border-radius: 14px;
  padding: 1.35rem 1.4rem;
}

.ratio-card h4 {
  font-size: 1.05rem;
  color: var(--green-deep);
  margin-bottom: 0.35rem;
}

.ratio-desc {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-bottom: 1rem;
}

.bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(45, 94, 71, 0.1);
  overflow: hidden;
  margin-bottom: 0.65rem;
}

.bar i {
  display: block;
  height: 100%;
  width: var(--p);
  background: linear-gradient(90deg, var(--green), var(--green-mid));
  border-radius: 999px;
}

.ratio-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.ratio-meta span:first-child {
  color: var(--green);
  font-weight: 500;
}

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.5rem;
}

.criteria-grid > div,
.empower-grid > div {
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

.criteria-grid h4,
.empower-grid h4 {
  font-size: 1.02rem;
  color: var(--green-deep);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.criteria-grid p,
.empower-grid p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.risk-stages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.risk-stages li {
  padding: 1.5rem 1.35rem;
  background: var(--white);
  border-radius: 14px;
  border: 1px solid rgba(45, 94, 71, 0.08);
}

.risk-stages span {
  display: block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 0.65rem;
}

.risk-stages strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.55rem;
}

.risk-stages p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.empower-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

/* Roadmap */
.roadmap-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.roadmap-card {
  background: var(--white);
  border: 1px solid rgba(45, 94, 71, 0.08);
  border-radius: var(--radius);
  padding: 1.75rem 1.85rem;
  box-shadow: var(--shadow);
}

.roadmap-card.featured {
  background: linear-gradient(135deg, rgba(214, 232, 221, 0.45), var(--white) 50%);
  border-color: rgba(45, 94, 71, 0.15);
}

.roadmap-card > header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin-bottom: 1rem;
}

.rm-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--white);
  background: var(--green);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.rm-label.mid {
  background: var(--green-mid);
}

.rm-label.long {
  background: var(--gold);
  color: #3a3008;
}

.roadmap-card h3 {
  font-size: 1.3rem;
  color: var(--green-deep);
  font-weight: 600;
}

.roadmap-card header time {
  font-family: var(--font-en);
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-left: auto;
}

.rm-lead {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 1.35rem;
  line-height: 1.75;
  max-width: 48rem;
}

.rm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.5rem;
}

.rm-grid h4 {
  font-size: 1rem;
  color: var(--green);
  margin-bottom: 0.35rem;
}

.rm-grid p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* People */
.people-hero {
  margin-bottom: 2rem;
  padding: 2rem 1.85rem;
  background: linear-gradient(135deg, rgba(214, 232, 221, 0.5), rgba(255, 255, 255, 0.8));
  border-radius: var(--radius);
  border: 1px solid rgba(45, 94, 71, 0.08);
}

.people-hero h3 {
  font-size: 1.6rem;
  color: var(--green-deep);
  margin-bottom: 0.75rem;
  letter-spacing: 0.06em;
}

.people-lead {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 42rem;
  margin-bottom: 1.75rem;
  line-height: 1.75;
}

.people-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.people-points h4 {
  font-size: 0.95rem;
  color: var(--green);
  margin-bottom: 0.4rem;
}

.people-points p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.people-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.people-card {
  background: var(--white);
  border: 1px solid rgba(45, 94, 71, 0.08);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.people-card h3 {
  font-size: 1.25rem;
  color: var(--green-deep);
  margin-bottom: 0.25rem;
}

.people-card-sub {
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
  font-weight: 500;
}

.people-card > p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.detail-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.detail-list > div {
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.detail-list dt {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--green);
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.detail-list dd {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Org */
.credo {
  border: none;
  text-align: center;
  padding: 2.5rem 1.5rem;
  margin-bottom: 2.5rem;
  background: linear-gradient(135deg, rgba(214, 232, 221, 0.5), rgba(255, 255, 255, 0.6));
  border-radius: var(--radius);
}

.credo p {
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  font-weight: 600;
  color: var(--green-deep);
  letter-spacing: 0.12em;
  margin-bottom: 0.95rem;
  line-height: 1.55;
}

.credo cite {
  font-style: normal;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: block;
  max-width: 40rem;
  margin: 0 auto;
}

.org-model {
  margin-bottom: 2.5rem;
}

.org-model h3 {
  font-size: 1.25rem;
  color: var(--green-deep);
  margin-bottom: 0.55rem;
}

.org-model > p {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 1.35rem;
  max-width: 44rem;
}

.org-roles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

.org-roles > div {
  text-align: center;
  padding: 1.1rem 0.75rem;
  background: var(--white);
  border-radius: 12px;
  border: 1px solid rgba(45, 94, 71, 0.08);
}

.org-roles span {
  display: block;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.org-roles em {
  font-style: normal;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.dept-stack {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.dept {
  background: var(--white);
  border: 1px solid rgba(45, 94, 71, 0.08);
  border-radius: var(--radius);
  padding: 1.65rem 1.75rem;
  box-shadow: var(--shadow);
}

.dept > header {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.dept-no {
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--gold);
}

.dept header h3 {
  font-size: 1.2rem;
  color: var(--green-deep);
}

.dept header > div > p {
  font-size: 0.85rem;
  color: var(--text-faint);
}

.dept-lead {
  margin-left: auto;
  text-align: right;
}

.dept-lead span {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
}

.dept-lead strong {
  font-size: 1.05rem;
  color: var(--green);
}

.dept-bio {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.15rem;
  line-height: 1.75;
  max-width: 48rem;
}

.dept > h4 {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.dept .criteria-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* Vision */
.vision-hero {
  text-align: center;
  max-width: 44rem;
  margin: 0 auto 2.5rem;
}

.vision-hero h3 {
  font-size: 1.5rem;
  color: var(--green-deep);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.vision-line {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--green-deep);
  letter-spacing: 0.05em;
  line-height: 1.85;
  margin-bottom: 1rem;
  font-weight: 500;
}

.vision-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.pillars-deep {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem;
  margin-bottom: 3rem;
}

.pillars-deep article {
  padding: 1.25rem 1rem;
  background: var(--white);
  border: 1px solid rgba(45, 94, 71, 0.08);
  border-radius: 14px;
  text-align: center;
}

.pillars-deep h4 {
  font-size: 0.98rem;
  color: var(--green);
  margin-bottom: 0.55rem;
  letter-spacing: 0.06em;
}

.pillars-deep p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.future-deep h3 {
  font-size: 1.25rem;
  color: var(--green-deep);
  text-align: center;
  margin-bottom: 1.5rem;
  letter-spacing: 0.08em;
}

.future-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
}

.future-grid article {
  padding: 1.5rem 1.4rem;
  background: var(--white);
  border: 1px solid rgba(45, 94, 71, 0.08);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.future-grid span {
  font-family: var(--font-en);
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.55rem;
}

.future-grid h4 {
  font-size: 1.1rem;
  color: var(--green-deep);
  margin-bottom: 0.55rem;
}

.future-grid p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Closing */
.closing {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 6.5rem) clamp(1.25rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.closing h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  color: var(--green-deep);
  letter-spacing: 0.08em;
  margin-bottom: 1.1rem;
  line-height: 1.2;
}

.closing-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 22em;
}

.closing-tag {
  font-size: 0.9rem;
  color: var(--text-faint);
  padding-top: 1.25rem;
  margin-bottom: 2rem;
  border-top: 1px solid var(--line);
  max-width: 22em;
}

.closing-visual {
  position: relative;
  width: 100%;
  min-height: clamp(320px, 48vh, 480px);
  height: clamp(320px, 48vh, 480px);
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.closing-visual canvas {
  width: 100% !important;
  height: 100% !important;
  min-height: clamp(320px, 48vh, 480px);
  display: block;
  touch-action: none;
}

.closing3d-glow {
  position: absolute;
  inset: 12% 8% 10%;
  background: radial-gradient(ellipse at 50% 45%, rgba(201, 160, 38, 0.12), transparent 55%),
    radial-gradient(ellipse at 50% 60%, rgba(214, 232, 221, 0.5), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 2.5rem 1.5rem 3rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
}

.footer-brand {
  font-weight: 600;
  color: var(--green-deep);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.site-footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-meta {
  margin-top: 1rem;
  color: var(--text-faint) !important;
  font-size: 0.78rem !important;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay {
  transition-delay: 0.15s;
}

/* Responsive */
@media (max-width: 1100px) {
  .nav {
    gap: 0.85rem;
    font-size: 0.8rem;
  }

  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .empower-grid,
  .people-points,
  .org-roles,
  .pillars-deep {
    grid-template-columns: repeat(2, 1fr);
  }

  .dept .criteria-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .nav,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header.is-open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    padding: 1.25rem 1.5rem 1.5rem;
    gap: 0.85rem;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    max-height: 70vh;
    overflow-y: auto;
  }

  .site-header.is-open .nav-cta {
    display: inline-flex;
    position: absolute;
    top: calc(var(--header-h) + 22rem);
    right: 1.5rem;
  }

  .parallax-hero {
    height: 140vh;
  }

  .parallax-hero-sticky {
    overflow: hidden;
  }

  .hero-scroll-hint {
    display: none;
  }

  .hero,
  .closing {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual,
  .closing-visual {
    order: -1;
    max-width: 520px;
    width: 100%;
    margin: 0 auto;
    animation: none;
  }

  .hero-visual {
    min-height: 340px;
  }

  .hero-visual canvas {
    min-height: 340px;
  }

  .closing-visual {
    min-height: 300px;
  }

  .closing-visual canvas {
    min-height: 300px;
  }

  .toc-grid,
  .tracks-grid,
  .ratio-grid,
  .criteria-grid,
  .risk-stages,
  .rm-grid,
  .people-duo,
  .future-grid,
  .case-cols,
  .case-body dl {
    grid-template-columns: 1fr;
  }

  .toc-grid li:last-child a {
    max-width: none;
  }

  .loop-steps,
  .overview-grid,
  .empower-grid,
  .people-points,
  .org-roles,
  .pillars-deep {
    grid-template-columns: 1fr;
  }

  .loop-steps li:not(:last-child)::after {
    display: none;
  }

  .case-deep > header {
    flex-wrap: wrap;
  }

  .case-tag,
  .dept-lead {
    margin-left: 0;
  }

  .watermark {
    right: 0;
  }
}

@media (max-width: 600px) {
  .brand {
    letter-spacing: 0.04em;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .case-body,
  .case-deep > header,
  .dept {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .parallax-hero {
    height: auto;
  }

  .parallax-hero-sticky {
    position: relative;
    height: auto;
  }

  .parallax-orb {
    display: none;
  }
}