/* =========================================================
   望闻 WANGWEN — 来华医疗观察
   Static editorial site / no external dependencies
   ========================================================= */

:root {
  --paper: #f5f2ea;
  --paper-deep: #ebe5d9;
  --surface: #fbf9f4;
  --ink: #191a17;
  --ink-soft: #3f423b;
  --muted: #70746a;
  --line: rgba(25, 26, 23, 0.14);
  --line-strong: rgba(25, 26, 23, 0.32);
  --accent: #b4462e;
  --accent-deep: #8e3321;
  --accent-soft: #e7c7ba;
  --moss: #243b33;
  --moss-light: #40594e;
  --ochre: #9b7135;
  --serif: "STZhongsong", "Songti SC", "Noto Serif CJK SC",
    "Source Han Serif SC", "SimSun", serif;
  --sans: "Inter", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono",
    monospace;
  --container: 1280px;
  --gutter: clamp(20px, 4.2vw, 60px);
  --header-h: 78px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--paper);
  background-image: radial-gradient(
    1200px 720px at 88% -12%,
    rgba(180, 70, 46, 0.085),
    transparent 62%
  );
  background-repeat: no-repeat;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: var(--accent);
  color: var(--surface);
}

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

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

button {
  color: inherit;
  font: inherit;
}

h1,
h2,
h3,
h4,
p,
blockquote,
figure,
dl,
dd,
dt {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

strong,
b {
  font-weight: 600;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  border-radius: 999px;
  transform: translateY(-160%);
  transition: transform 0.25s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

/* ---------- Reading progress ---------- */

.progress-track {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  height: 2px;
  pointer-events: none;
}

.progress-bar {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.08s linear;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: var(--header-h);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(245, 242, 234, 0.78);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  backdrop-filter: blur(18px) saturate(130%);
  border-bottom: 1px solid transparent;
  opacity: 0;
  transition: opacity 0.35s var(--ease-soft),
    border-color 0.35s var(--ease-soft);
  pointer-events: none;
}

.site-header.is-scrolled::before {
  opacity: 1;
  border-bottom-color: var(--line);
}

.header-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  min-height: 44px;
}

.brand-seal {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--accent);
  color: #fbf6ef;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1;
  border-radius: 3px;
  transition: transform 0.5s var(--ease), background 0.3s var(--ease-soft);
}

.brand:hover .brand-seal {
  transform: rotate(-6deg);
  background: var(--accent-deep);
}

.brand-type {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1;
}

.brand-cn {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.18em;
}

.brand-en {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.26em;
  color: var(--muted);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 36px);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 0;
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color 0.25s var(--ease-soft);
}

.nav-link::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transform: scale(0.4);
  transition: opacity 0.25s, transform 0.25s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.35s var(--ease);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--ink);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.nav-link.is-active::before {
  opacity: 1;
  transform: scale(1);
}

.nav-link.is-active::after {
  display: none;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 0 0 auto;
}

.issue-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
  white-space: nowrap;
}

.issue-mark .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 3.2s ease-in-out infinite;
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(251, 249, 244, 0.48);
  cursor: pointer;
  position: relative;
  transition: background 0.3s, border-color 0.3s;
}

.menu-btn:hover {
  background: var(--surface);
  border-color: var(--line-strong);
}

.menu-btn span {
  position: absolute;
  left: 13px;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.35s var(--ease), top 0.35s var(--ease),
    opacity 0.2s;
}

.menu-btn span:nth-child(1) {
  top: 17px;
}

.menu-btn span:nth-child(2) {
  top: 22px;
}

.menu-btn span:nth-child(3) {
  top: 27px;
}

body.menu-open .menu-btn span:nth-child(1) {
  top: 22px;
  transform: rotate(45deg);
}

body.menu-open .menu-btn span:nth-child(2) {
  opacity: 0;
}

body.menu-open .menu-btn span:nth-child(3) {
  top: 22px;
  transform: rotate(-45deg);
}

/* ---------- Mobile menu ---------- */

.menu-panel {
  position: fixed;
  z-index: 85;
  inset: var(--header-h) 0 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(32px, 8vw, 64px) var(--gutter) 40px;
  background:
    radial-gradient(800px 460px at 100% 0%, rgba(180, 70, 46, 0.11), transparent 65%),
    var(--paper);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-14px);
  transition: opacity 0.35s var(--ease-soft), transform 0.45s var(--ease),
    visibility 0.35s;
  overflow-y: auto;
}

body.menu-open .menu-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.menu-nav {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.menu-nav a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: clamp(30px, 7vw, 44px);
  line-height: 1.2;
  transition: color 0.25s, padding-left 0.3s var(--ease);
}

.menu-nav a:hover {
  color: var(--accent);
  padding-left: 8px;
}

.menu-nav .menu-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.menu-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.menu-foot .menu-seal {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  background: var(--accent);
  color: var(--surface);
  font-family: var(--serif);
  font-size: 13px;
  line-height: 1.25;
  text-align: center;
  letter-spacing: 0.06em;
  border-radius: 2px;
}

/* ---------- Typography utilities ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  line-height: 1.6;
  color: var(--muted);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.eyebrow.no-rule::before {
  display: none;
}

.eyebrow .cn {
  font-family: var(--sans);
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.display em {
  font-style: normal;
  color: var(--accent);
}

.lede {
  font-size: clamp(15px, 1.35vw, 17.5px);
  line-height: 1.95;
  color: var(--ink-soft);
}

.body-large {
  font-size: clamp(16px, 1.4vw, 18.5px);
  line-height: 1.95;
  color: var(--ink-soft);
}

.section {
  padding: clamp(88px, 11vw, 156px) 0;
}

section[id] {
  scroll-margin-top: calc(var(--header-h) + 72px);
}

.section-tight {
  padding: clamp(64px, 8vw, 110px) 0;
}

.section-line {
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 820px;
  margin-bottom: clamp(42px, 6vw, 72px);
}

.section-heading h2 {
  margin: 16px 0 20px;
  font-family: var(--serif);
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.section-heading .section-intro {
  max-width: 620px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(170px, 0.32fr) minmax(0, 1fr);
  gap: clamp(36px, 7vw, 100px);
}

.section-kicker {
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: sticky;
  top: calc(var(--header-h) + 34px);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.section-kicker .kicker-cn {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.section-kicker .kicker-line {
  width: 40px;
  height: 1px;
  margin-top: 12px;
  background: var(--accent);
}

/* ---------- Buttons + links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 54px;
  padding: 0 27px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13.5px;
  letter-spacing: 0.06em;
  line-height: 1;
  cursor: pointer;
  transition: background 0.35s var(--ease-soft), color 0.35s,
    border-color 0.35s, transform 0.35s var(--ease);
}

.btn .arrow {
  display: inline-block;
  font-size: 16px;
  transition: transform 0.35s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

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

.btn-ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(251, 249, 244, 0.6);
}

.btn-light {
  background: var(--paper);
  color: var(--ink);
}

.btn-light:hover {
  background: var(--accent-soft);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 13px;
  letter-spacing: 0.05em;
  transition: color 0.25s, border-color 0.25s;
}

.text-link .arrow {
  transition: transform 0.35s var(--ease);
}

.text-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.text-link:hover .arrow {
  transform: translateX(3px);
}

/* ---------- Hero: home ---------- */

.home-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(58px, 8vw, 92px));
  overflow: hidden;
}

.home-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 46vw;
  height: 46vw;
  max-width: 660px;
  max-height: 660px;
  right: -22vw;
  top: 18%;
  border: 1px solid rgba(25, 26, 23, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, 0.88fr);
  align-items: center;
  gap: clamp(36px, 6vw, 84px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(28px, 5vw, 56px);
}

.hero-copy .eyebrow {
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.hero-title {
  margin: 0;
  font-size: clamp(54px, 8.2vw, 116px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.hero-title .line {
  display: block;
}

.hero-title .accent-word {
  position: relative;
  color: var(--accent);
  display: inline-block;
}

.hero-title .accent-word::after {
  content: "";
  position: absolute;
  left: 0.04em;
  right: -0.04em;
  bottom: 0.08em;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
  transform: scaleX(0);
  transform-origin: left;
  animation: draw-line 1.4s 0.75s var(--ease) forwards;
}

.hero-lede {
  max-width: 560px;
  margin-top: clamp(26px, 3.6vw, 38px);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px 28px;
  margin-top: clamp(30px, 4vw, 44px);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 42px;
  margin-top: clamp(42px, 6vw, 66px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  max-width: 600px;
}

.hero-fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.hero-fact strong {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--ink);
}

.hero-fact span {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- Hero art ---------- */

.hero-visual {
  position: relative;
  align-self: center;
}

.art-card {
  position: relative;
  isolation: isolate;
  aspect-ratio: 4 / 5;
  min-height: 480px;
  max-height: 690px;
  padding: clamp(18px, 2.4vw, 30px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: #e9e3d6;
  background-image: linear-gradient(
      to right,
      rgba(25, 26, 23, 0.055) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(25, 26, 23, 0.055) 1px, transparent 1px);
  background-size: 58px 58px;
  box-shadow: 0 24px 60px -44px rgba(25, 26, 23, 0.55);
}

.art-card::before,
.art-card::after {
  content: "+";
  position: absolute;
  z-index: 4;
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(25, 26, 23, 0.42);
  line-height: 1;
}

.art-card::before {
  top: 16px;
  right: 18px;
}

.art-card::after {
  bottom: 16px;
  left: 18px;
}

.art-top,
.art-bottom {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.16em;
  color: rgba(25, 26, 23, 0.58);
  line-height: 1.6;
}

.art-top {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(25, 26, 23, 0.16);
}

.art-sun {
  position: absolute;
  z-index: 1;
  top: 9%;
  right: -19%;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(
    circle at 35% 32%,
    #f2d8cd 0%,
    #e3b8a6 46%,
    #d39b86 100%
  );
  opacity: 0.92;
  animation: slow-drift 13s ease-in-out infinite alternate;
}

.art-ring {
  position: absolute;
  z-index: 1;
  left: -23%;
  bottom: -24%;
  width: 82%;
  aspect-ratio: 1;
  border: 1px solid rgba(25, 26, 23, 0.2);
  border-radius: 50%;
}

.art-ring::before {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(25, 26, 23, 0.1);
  border-radius: 50%;
}

.art-glyph {
  position: absolute;
  z-index: 2;
  left: 6%;
  bottom: 12%;
  font-family: var(--serif);
  font-size: clamp(180px, 24vw, 290px);
  line-height: 0.8;
  letter-spacing: -0.08em;
  color: var(--ink);
  mix-blend-mode: multiply;
  user-select: none;
  pointer-events: none;
}

.art-glyph small {
  position: absolute;
  right: -0.62em;
  bottom: 0.16em;
  font-size: 0.17em;
  letter-spacing: 0;
  color: var(--accent);
  writing-mode: vertical-rl;
}

.art-vertical {
  position: absolute;
  z-index: 3;
  top: 24%;
  right: 9%;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 12px;
  line-height: 2.1;
  letter-spacing: 0.3em;
  color: rgba(25, 26, 23, 0.62);
}

.art-bottom {
  align-items: flex-end;
  margin: 0 -4px -2px;
  padding: 28px 4px 2px;
  border-top: 1px solid rgba(25, 26, 23, 0.16);
  background: linear-gradient(
    to top,
    rgba(233, 227, 214, 0.99) 0%,
    rgba(233, 227, 214, 0.96) 58%,
    rgba(233, 227, 214, 0) 100%
  );
}

.art-caption {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.art-caption b {
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.art-seal {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: var(--accent);
  color: #fbf6ef;
  font-family: var(--serif);
  font-size: 11px;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-align: center;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.art-note {
  position: absolute;
  right: -0.5vw;
  bottom: -26px;
  z-index: 5;
  padding: 8px 14px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.18em;
  line-height: 1.4;
  transform: rotate(-2deg);
}

/* ---------- Home index strip ---------- */

.hero-index {
  margin-top: clamp(56px, 8vw, 94px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.index-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.index-item {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 20px 18px;
  border-right: 1px solid var(--line);
  color: var(--ink-soft);
  transition: background 0.3s var(--ease-soft), color 0.3s;
}

.index-item:first-child {
  padding-left: 0;
}

.index-item:last-child {
  border-right: 0;
}

.index-item:hover {
  background: rgba(251, 249, 244, 0.6);
  color: var(--accent);
}

.index-num {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.index-cn {
  font-family: var(--serif);
  font-size: clamp(15px, 1.4vw, 18px);
  letter-spacing: 0.04em;
}

.index-en {
  display: block;
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  line-height: 1.4;
}

.index-item .index-label {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

/* ---------- Thesis ---------- */

.thesis {
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(235, 229, 217, 0.45) 48%,
    transparent 100%
  );
}

.thesis .statement {
  max-width: 850px;
  font-family: var(--serif);
  font-size: clamp(36px, 5.2vw, 72px);
  font-weight: 400;
  line-height: 1.17;
  letter-spacing: -0.035em;
}

.thesis .statement em {
  font-style: normal;
  color: var(--accent);
}

.thesis .body-large {
  max-width: 720px;
  margin-top: 30px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: clamp(44px, 6vw, 68px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  position: relative;
  padding: 24px 28px 28px 0;
  border-right: 1px solid var(--line);
}

.stat:last-child {
  border-right: 0;
  padding-right: 0;
  padding-left: 28px;
}

.stat:nth-child(2) {
  padding-left: 28px;
}

.stat-number {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  font-family: var(--serif);
  font-size: clamp(44px, 5.4vw, 64px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.06em;
}

.stat-number sup {
  position: relative;
  top: 0.15em;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0;
  color: var(--accent);
}

.stat-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.stat small {
  display: block;
  margin-top: 4px;
  font-size: 10.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- Chapter list ---------- */

.chapter-list {
  border-top: 1px solid var(--line);
}

.chapter-row {
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1.35fr) minmax(200px, 0.7fr) 42px;
  align-items: center;
  gap: 24px;
  padding: 30px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease-soft), padding 0.35s var(--ease);
}

.chapter-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  bottom: -1px;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.45s var(--ease);
}

.chapter-row:hover {
  background: rgba(251, 249, 244, 0.72);
  padding-left: 18px;
  padding-right: 10px;
}

.chapter-row:hover::before {
  transform: scaleY(1);
}

.chapter-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  align-self: start;
  padding-top: 8px;
}

.chapter-main {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.chapter-label {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.chapter-main strong {
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.02em;
  transition: color 0.3s;
}

.chapter-row:hover .chapter-main strong {
  color: var(--accent);
}

.chapter-desc {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}

.chapter-arrow {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 15px;
  transition: background 0.3s, color 0.3s, border-color 0.3s,
    transform 0.4s var(--ease);
}

.chapter-row:hover .chapter-arrow {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--surface);
  transform: rotate(45deg);
}

.contents-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
}

.contents-note {
  font-size: 12px;
  color: var(--muted);
}

/* ---------- Quote band ---------- */

.quote-band {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 11vw, 140px) 0;
  background: var(--moss);
  color: var(--paper);
}

.quote-band::before {
  content: "";
  position: absolute;
  width: 48vw;
  aspect-ratio: 1;
  max-width: 680px;
  right: -16vw;
  top: -28%;
  border: 1px solid rgba(245, 242, 234, 0.16);
  border-radius: 50%;
  pointer-events: none;
}

.quote-band::after {
  content: "";
  position: absolute;
  width: 22vw;
  aspect-ratio: 1;
  max-width: 300px;
  right: 3vw;
  bottom: -12%;
  border: 1px solid rgba(245, 242, 234, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.quote-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(245, 242, 234, 0.2);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(245, 242, 234, 0.6);
}

.quote-top .accent {
  color: var(--accent-soft);
}

.quote-mark {
  display: block;
  margin: clamp(42px, 6vw, 64px) 0 8px;
  font-family: var(--serif);
  font-size: clamp(64px, 9vw, 110px);
  line-height: 0.6;
  color: var(--accent-soft);
}

.quote-band blockquote {
  position: relative;
  z-index: 2;
  max-width: 1050px;
  font-family: var(--serif);
  font-size: clamp(34px, 5.8vw, 78px);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: -0.03em;
}

.quote-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: clamp(38px, 5vw, 58px);
  padding-top: 24px;
  border-top: 1px solid rgba(245, 242, 234, 0.2);
}

.quote-bottom p {
  max-width: 620px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(245, 242, 234, 0.72);
}

.quote-bottom .text-link {
  border-color: rgba(245, 242, 234, 0.36);
  color: var(--paper);
}

.quote-bottom .text-link:hover {
  color: var(--accent-soft);
  border-color: var(--accent-soft);
}

/* ---------- Closing CTA ---------- */

.closing {
  position: relative;
  padding: clamp(84px, 12vw, 150px) 0;
  overflow: hidden;
}

.closing::before {
  content: "望";
  position: absolute;
  right: 2vw;
  bottom: -0.22em;
  font-family: var(--serif);
  font-size: clamp(240px, 36vw, 520px);
  line-height: 1;
  color: rgba(25, 26, 23, 0.035);
  pointer-events: none;
}

.closing-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.closing h2 {
  max-width: 820px;
  margin-top: 20px;
  font-family: var(--serif);
  font-size: clamp(36px, 5.2vw, 68px);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.closing h2 em {
  font-style: normal;
  color: var(--accent);
}

.closing .btn {
  flex: 0 0 auto;
  margin-bottom: 8px;
}

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(58px, 8vw, 100px));
  padding-bottom: clamp(52px, 7vw, 88px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  width: 50vw;
  height: 50vw;
  max-width: 720px;
  max-height: 720px;
  right: -22vw;
  top: -24vw;
  border: 1px solid rgba(25, 26, 23, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.page-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  align-items: end;
  gap: clamp(36px, 7vw, 100px);
}

.page-hero-copy {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  margin: 22px 0 24px;
  font-family: var(--serif);
  font-size: clamp(48px, 7.6vw, 104px);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.page-hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.page-hero .lede {
  max-width: 660px;
}

.page-num {
  position: absolute;
  z-index: 0;
  right: 4vw;
  bottom: -0.22em;
  font-family: var(--serif);
  font-size: clamp(200px, 30vw, 420px);
  line-height: 1;
  letter-spacing: -0.08em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(25, 26, 23, 0.11);
  pointer-events: none;
  user-select: none;
}

.page-meta {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  padding-left: 24px;
  border-top: 1px solid var(--line-strong);
  background: var(--paper);
  box-shadow: -28px 0 28px -8px var(--paper);
}

.page-title-long {
  display: block;
  font-size: clamp(42px, 5.7vw, 84px) !important;
  line-height: 1.07 !important;
}

.page-meta div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-meta dt,
.page-meta .meta-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--muted);
  white-space: nowrap;
}

.page-meta dd,
.page-meta .meta-value {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
  text-align: right;
}

.page-meta .meta-value.accent {
  color: var(--accent);
}

/* ---------- Chapter subnav ---------- */

.chapter-nav-wrap {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  background: rgba(245, 242, 234, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.chapter-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.chapter-nav::-webkit-scrollbar {
  display: none;
}

.chapter-nav a {
  position: relative;
  flex: 0 0 auto;
  padding: 17px 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.25s;
}

.chapter-nav a::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease);
}

.chapter-nav a:hover,
.chapter-nav a.is-current {
  color: var(--ink);
}

.chapter-nav a.is-current::after {
  transform: scaleX(1);
}

.chapter-nav .nav-count {
  margin-right: auto;
  padding-left: 2px;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- Insight cards ---------- */

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.insight-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: clamp(26px, 3.4vw, 40px);
  background: var(--paper);
  overflow: hidden;
  transition: background 0.35s var(--ease-soft);
}

.insight-card:hover {
  background: var(--surface);
}

.insight-card .card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: auto;
}

.card-index {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.13em;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9.5px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
}

.insight-card h3 {
  max-width: 390px;
  margin: 34px 0 14px;
  font-family: var(--serif);
  font-size: clamp(23px, 2.4vw, 30px);
  font-weight: 400;
  line-height: 1.38;
  letter-spacing: -0.02em;
}

.insight-card p {
  max-width: 440px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.insight-card .card-glyph {
  position: absolute;
  right: 16px;
  bottom: -0.32em;
  font-family: var(--serif);
  font-size: 150px;
  line-height: 1;
  color: rgba(25, 26, 23, 0.035);
  pointer-events: none;
}

/* ---------- Barrier section ---------- */

.barrier-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
  gap: clamp(40px, 8vw, 110px);
}

.barrier-aside {
  align-self: start;
  position: sticky;
  top: calc(var(--header-h) + 76px);
}

.barrier-aside h2 {
  margin: 18px 0 20px;
  font-family: var(--serif);
  font-size: clamp(34px, 3.8vw, 50px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.barrier-aside p {
  max-width: 310px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.chain {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 26px;
}

.chain span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 10.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  background: rgba(251, 249, 244, 0.45);
}

.chain span:not(:last-child)::after {
  content: "→";
  color: var(--accent);
  font-size: 10px;
}

.barrier-note {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  line-height: 1.8;
  color: var(--muted);
}

.barrier-list {
  border-top: 1px solid var(--line-strong);
}

.barrier {
  display: grid;
  grid-template-columns: 48px minmax(0, 0.42fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 23px 0 25px;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease-soft);
}

.barrier:hover {
  background: rgba(251, 249, 244, 0.58);
}

.barrier-num {
  padding-top: 4px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.barrier-main h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.barrier-main .barrier-phase {
  display: block;
  margin-top: 4px;
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.barrier p {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- TCM section ---------- */

.tcm-section {
  background: var(--paper-deep);
}

.tcm-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.4fr) minmax(0, 1fr);
  gap: clamp(40px, 8vw, 110px);
}

.tcm-aside {
  align-self: start;
  position: sticky;
  top: calc(var(--header-h) + 76px);
}

.tcm-aside h2 {
  margin: 18px 0 20px;
  font-family: var(--serif);
  font-size: clamp(34px, 3.8vw, 50px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.tcm-aside p {
  max-width: 320px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.tcm-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.tcm-card {
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 26px;
  background: var(--surface);
  border-top: 2px solid var(--line-strong);
  transition: border-color 0.35s, transform 0.35s var(--ease);
}

.tcm-card:hover {
  border-top-color: var(--accent);
  transform: translateY(-3px);
}

.tcm-card:nth-child(2) {
  border-top-color: var(--accent);
}

.tcm-card .tcm-index {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.tcm-card blockquote {
  margin: 30px 0 18px;
  font-family: var(--serif);
  font-size: clamp(21px, 2.1vw, 27px);
  line-height: 1.5;
  letter-spacing: -0.015em;
}

.tcm-card p {
  margin-top: auto;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

.tcm-summary {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-top: 20px;
  padding: 28px;
  border: 1px solid var(--line-strong);
}

.tcm-summary .summary-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  line-height: 1.8;
  color: var(--accent);
}

.tcm-summary p {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.6;
}

.tcm-summary strong {
  color: var(--accent);
  font-weight: 400;
  border-bottom: 1px solid var(--accent);
}

/* ---------- Opportunity paths ---------- */

.path-list {
  border-top: 1px solid var(--line-strong);
}

.path-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 0.8fr) minmax(0, 1.05fr);
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(30px, 4vw, 44px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s;
}

.path-row:hover {
  background: rgba(251, 249, 244, 0.55);
}

.path-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  padding-top: 8px;
}

.path-title h3 {
  font-family: var(--serif);
  font-size: clamp(27px, 3vw, 38px);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.path-title .tag {
  margin-top: 14px;
}

.path-body p {
  font-size: 14px;
  line-height: 1.95;
  color: var(--muted);
}

.path-body .path-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.path-keywords span {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

/* ---------- Price section ---------- */

.price-section {
  position: relative;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.price-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.4fr) minmax(0, 1fr);
  gap: clamp(40px, 8vw, 110px);
}

.price-aside {
  align-self: start;
  position: sticky;
  top: calc(var(--header-h) + 76px);
}

.price-aside h2 {
  margin: 18px 0 20px;
  font-family: var(--serif);
  font-size: clamp(34px, 3.8vw, 50px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.price-aside p {
  max-width: 310px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.price-statement {
  max-width: 760px;
  font-family: var(--serif);
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.price-statement em {
  font-style: normal;
  color: var(--accent);
}

.persona-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.persona {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.persona .persona-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.persona .persona-label b {
  color: var(--accent);
  font-weight: 400;
}

.persona h3 {
  margin: 24px 0 12px;
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 400;
  line-height: 1.4;
}

.persona p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.price-question {
  position: relative;
  margin-top: 38px;
  padding: 30px 0 0 34px;
  border-top: 1px solid var(--line-strong);
}

.price-question::before {
  content: "？";
  position: absolute;
  left: 0;
  top: 27px;
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1;
  color: var(--accent);
}

.price-question p {
  max-width: 690px;
  font-family: var(--serif);
  font-size: clamp(21px, 2.3vw, 28px);
  line-height: 1.65;
}

.price-question small {
  display: block;
  margin-top: 12px;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- Journey ---------- */

.journey-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.journey-step {
  position: relative;
  min-height: 280px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: rgba(251, 249, 244, 0.5);
  transition: background 0.3s, border-color 0.3s;
}

.journey-step:hover {
  background: var(--surface);
  border-color: var(--line-strong);
}

.journey-step::after {
  content: "→";
  position: absolute;
  z-index: 3;
  right: -21px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 11px;
  color: var(--accent);
}

.journey-step:last-child::after {
  display: none;
}

.journey-step .step-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.journey-step h3 {
  margin: 34px 0 12px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 31px);
  font-weight: 400;
  line-height: 1.3;
}

.journey-step p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.journey-step .step-bottom {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.journey-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.journey-caption strong {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--ink);
}

/* ---------- Hypothesis note ---------- */

.hypothesis {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: clamp(30px, 4vw, 44px);
  background: var(--moss);
  color: var(--paper);
}

.hypothesis .hyp-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  line-height: 1.9;
  color: var(--accent-soft);
}

.hypothesis p {
  max-width: 820px;
  font-family: var(--serif);
  font-size: clamp(23px, 2.7vw, 34px);
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.hypothesis p span {
  color: var(--accent-soft);
}

/* ---------- Landscape cards ---------- */

.landscape-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.landscape-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--moss);
  padding: 28px 26px;
}

.landscape-card[data-type="platform"] {
  border-top-color: var(--accent);
}

.landscape-card[data-type="ecosystem"] {
  border-top-color: var(--ochre);
}

.landscape-card .type-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--muted);
}

.landscape-card .type-tagline {
  margin-top: 22px;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.landscape-card h3 {
  margin: 8px 0 14px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 31px);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.landscape-card .type-advantage {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--muted);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.advantage-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 14px;
}

.advantage-chips span {
  padding: 3px 8px;
  background: rgba(36, 59, 51, 0.07);
  border-radius: 2px;
  font-size: 9.5px;
  line-height: 1.6;
  color: var(--moss);
}

.sample-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 20px;
}

.sample {
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.sample:first-child {
  border-top: 0;
  padding-top: 0;
}

.sample b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.5;
}

.sample ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sample li {
  position: relative;
  padding-left: 11px;
  font-size: 11px;
  line-height: 1.65;
  color: var(--muted);
}

.sample li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
}

.type-observation {
  display: flex;
  gap: 9px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  line-height: 1.75;
  color: var(--muted);
}

.type-observation span {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.1em;
  color: var(--accent);
  white-space: nowrap;
}

.source-note {
  margin-top: 24px;
  font-size: 10.5px;
  line-height: 1.8;
  color: var(--muted);
}

.source-note .dot {
  color: var(--accent);
  margin-right: 5px;
}

/* ---------- Comparison table ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(251, 249, 244, 0.35);
}

.table-hint {
  display: none;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.table-hint::before {
  content: "↔";
  color: var(--accent);
  font-size: 10px;
}

.compare-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: 8.5px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.compare-table td {
  padding: 20px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.compare-table tr:last-child td {
  border-bottom: 0;
}

.compare-table tbody tr {
  transition: background 0.25s;
}

.compare-table tbody tr:hover {
  background: rgba(245, 242, 234, 0.75);
}

.compare-table td:first-child {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--ink);
  white-space: nowrap;
}

.compare-table .table-tag {
  display: inline-block;
  margin-right: 5px;
  padding: 1px 6px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 9px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- Positioning map ---------- */

.map-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(40px, 7vw, 90px);
  align-items: center;
}

.map-copy h2 {
  margin: 16px 0 20px;
  font-family: var(--serif);
  font-size: clamp(32px, 3.8vw, 50px);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.03em;
}

.map-copy p {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.map-copy .map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
  font-size: 10px;
  color: var(--muted);
}

.map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.map-legend i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--moss);
}

.map-legend .legend-platform i {
  background: var(--accent);
}

.map-legend .legend-ecosystem i {
  background: var(--ochre);
}

.map-legend .legend-gap i {
  background: transparent;
  border: 1px dashed var(--accent);
}

.position-map {
  position: relative;
  aspect-ratio: 1.24 / 1;
  min-height: 360px;
  border: 1px solid var(--line);
  background-color: rgba(251, 249, 244, 0.42);
  background-image: linear-gradient(
      to right,
      rgba(25, 26, 23, 0.06) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(25, 26, 23, 0.06) 1px, transparent 1px);
  background-size: 12.5% 12.5%;
  overflow: hidden;
}

.position-map::before,
.position-map::after {
  content: "";
  position: absolute;
  background: var(--line-strong);
}

.position-map::before {
  left: 9%;
  right: 4%;
  bottom: 12%;
  height: 1px;
}

.position-map::after {
  left: 9%;
  top: 5%;
  bottom: 12%;
  width: 1px;
}

.map-axis-x,
.map-axis-y {
  position: absolute;
  z-index: 2;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  color: var(--muted);
  white-space: nowrap;
}

.map-axis-x {
  right: 4%;
  bottom: 4%;
}

.map-axis-y {
  left: 2.5%;
  top: 5%;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.map-point {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  transform: translate(-50%, -50%);
  text-align: center;
}

.map-dot {
  display: block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 4px rgba(36, 59, 51, 0.12);
}

.map-point span {
  font-size: 10px;
  line-height: 1.4;
  color: var(--ink-soft);
  white-space: nowrap;
}

.map-point small {
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

.map-point.platform .map-dot {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(180, 70, 46, 0.12);
}

.map-point.ecosystem .map-dot {
  background: var(--ochre);
  box-shadow: 0 0 0 4px rgba(155, 113, 53, 0.14);
}

.map-gap {
  position: absolute;
  z-index: 3;
  left: 70%;
  top: 23%;
  width: 27%;
  aspect-ratio: 1;
  border: 1px dashed var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: rgba(180, 70, 46, 0.035);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px;
}

.map-gap b {
  font-family: var(--serif);
  font-size: clamp(13px, 1.4vw, 17px);
  font-weight: 400;
  line-height: 1.5;
  color: var(--accent);
}

.map-gap span {
  margin-top: 4px;
  font-size: 8px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.map-point.professional {
  left: 31%;
  top: 69%;
}

.map-point.platform {
  left: 72%;
  top: 70%;
}

.map-point.ecosystem {
  left: 82%;
  top: 47%;
}

.map-note {
  margin-top: 14px;
  font-size: 9px;
  letter-spacing: 0.05em;
  color: var(--muted);
  text-align: right;
}

.map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin-top: 28px;
}

.map-actions .source-note {
  margin-top: 0;
}

/* ---------- Dialog ---------- */

.map-dialog {
  width: min(1080px, calc(100vw - 32px));
  max-height: 92vh;
  padding: 0;
  border: 1px solid rgba(245, 242, 234, 0.24);
  background: var(--paper);
  color: var(--ink);
  overflow: auto;
}

.map-dialog::backdrop {
  background: rgba(15, 18, 15, 0.72);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
}

.dialog-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.dialog-close {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

.dialog-close:hover {
  background: var(--ink);
  color: var(--paper);
}

.dialog-body {
  padding: clamp(16px, 3vw, 32px);
}

.dialog-body img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #fff;
}

.dialog-body p {
  max-width: 720px;
  margin-top: 16px;
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- About page ---------- */

.about-statement {
  max-width: 950px;
  font-family: var(--serif);
  font-size: clamp(30px, 4.3vw, 58px);
  font-weight: 400;
  line-height: 1.36;
  letter-spacing: -0.03em;
}

.about-statement em {
  font-style: normal;
  color: var(--accent);
}

.question-list {
  border-top: 1px solid var(--line-strong);
}

.question-row {
  display: grid;
  grid-template-columns: 55px minmax(0, 1fr) 150px 34px;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s, padding 0.3s var(--ease);
}

.question-row:hover {
  background: rgba(251, 249, 244, 0.6);
  padding-left: 12px;
}

.question-row .q-num {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.question-row h3 {
  font-family: var(--serif);
  font-size: clamp(21px, 2.1vw, 27px);
  font-weight: 400;
  line-height: 1.4;
}

.question-row .q-link-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-align: right;
}

.question-row .q-arrow {
  font-size: 14px;
  color: var(--muted);
  transition: transform 0.3s var(--ease), color 0.3s;
}

.question-row:hover .q-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.method-card {
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  background: rgba(251, 249, 244, 0.42);
}

.method-card .method-label {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.method-card h3 {
  margin: 18px 0 12px;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 400;
  line-height: 1.4;
}

.method-card p {
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--muted);
}

.method-card p + p {
  margin-top: 10px;
}

.about-quote {
  margin-top: clamp(50px, 7vw, 84px);
  padding: clamp(28px, 4vw, 42px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.about-quote p {
  max-width: 880px;
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.6;
  letter-spacing: -0.02em;
}

.about-quote small {
  display: block;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.reading-order {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.reading-step {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.reading-step .step-num {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.reading-step h3 {
  margin: 26px 0 8px;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 400;
}

.reading-step p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}

.reading-step a {
  display: inline-flex;
  margin-top: 16px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}

.reading-step a:hover {
  border-color: var(--accent);
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  padding: clamp(58px, 8vw, 92px) 0 26px;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.site-footer::before {
  content: "WANGWEN";
  position: absolute;
  right: -0.03em;
  bottom: -0.2em;
  font-family: var(--serif);
  font-size: clamp(90px, 17vw, 250px);
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(245, 242, 234, 0.035);
  pointer-events: none;
}

.footer-top {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: clamp(36px, 7vw, 100px);
  padding-bottom: clamp(42px, 6vw, 64px);
  border-bottom: 1px solid rgba(245, 242, 234, 0.16);
}

.footer-brand .brand-seal {
  background: var(--accent);
}

.footer-brand .brand-cn {
  color: var(--paper);
}

.footer-brand .brand-en,
.footer-brand .issue-mark {
  color: rgba(245, 242, 234, 0.48);
}

.footer-brand p {
  max-width: 390px;
  margin-top: 26px;
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.55;
  color: rgba(245, 242, 234, 0.78);
}

.footer-columns {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
}

.footer-col h3 {
  margin-bottom: 15px;
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: rgba(245, 242, 234, 0.42);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a,
.footer-col p {
  font-size: 12px;
  line-height: 1.75;
  color: rgba(245, 242, 234, 0.64);
  transition: color 0.25s;
}

.footer-col a:hover {
  color: var(--accent-soft);
}

.footer-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding-top: 22px;
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: rgba(245, 242, 234, 0.38);
}

.footer-bottom .footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

/* ---------- Back to top ---------- */

.to-top {
  position: fixed;
  z-index: 60;
  right: clamp(18px, 3vw, 34px);
  bottom: clamp(18px, 3vw, 34px);
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(251, 249, 244, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.4s var(--ease), visibility 0.3s,
    background 0.25s;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--ink);
  color: var(--paper);
}

.to-top span {
  font-size: 14px;
  line-height: 1;
}

/* ---------- Reveal ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

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

/* ---------- Animations ---------- */

@keyframes slow-drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-10px, 12px, 0) scale(1.035);
  }
}

@keyframes draw-line {
  to {
    transform: scaleX(1);
  }
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.8);
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 1120px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.8fr);
    gap: 40px;
  }

  .hero-title {
    font-size: clamp(52px, 8vw, 92px);
  }

  .art-card {
    min-height: 430px;
  }

  .chapter-row {
    grid-template-columns: 54px minmax(0, 1.3fr) minmax(180px, 0.7fr) 38px;
    gap: 18px;
  }

  .landscape-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .landscape-card {
    padding: 22px 20px;
  }
}

@media (max-width: 960px) {
  :root {
    --header-h: 70px;
  }

  .desktop-nav,
  .issue-mark {
    display: none;
  }

  .menu-btn {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: clamp(34px, 6vw, 56px);
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .hero-title {
    font-size: clamp(54px, 11.5vw, 92px);
  }

  .hero-visual {
    width: min(100%, 520px);
    margin-left: auto;
  }

  .art-card {
    aspect-ratio: 5 / 4;
    min-height: 0;
    max-height: 520px;
  }

  .art-glyph {
    font-size: clamp(190px, 33vw, 290px);
    bottom: 7%;
  }

  .hero-facts {
    margin-top: 40px;
  }

  .index-strip {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .index-strip::-webkit-scrollbar {
    display: none;
  }

  .index-item {
    flex: 0 0 auto;
    min-width: 150px;
    border-right: 1px solid var(--line);
  }

  .index-item:first-child {
    padding-left: 18px;
  }

  .split,
  .barrier-layout,
  .tcm-layout,
  .price-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .section-kicker,
  .barrier-aside,
  .tcm-aside,
  .price-aside {
    position: static;
  }

  .section-kicker {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
  }

  .section-kicker .kicker-line {
    display: none;
  }

  .stat-grid {
    margin-top: 38px;
  }

  .page-hero-grid {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 36px;
  }

  .page-meta {
    max-width: 440px;
    padding-left: 0;
    background: none;
    box-shadow: none;
  }

  .page-num {
    font-size: clamp(190px, 34vw, 300px);
    right: -2vw;
    bottom: -0.2em;
    opacity: 0.2;
  }

  .landscape-grid {
    grid-template-columns: 1fr;
  }

  .landscape-card {
    padding: 30px;
  }

  .sample-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
  }

  .sample:nth-child(2) {
    border-top: 0;
    padding-top: 0;
  }

  .map-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .position-map {
    min-height: 420px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-columns {
    max-width: 520px;
  }

  .hypothesis {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .tcm-card {
    min-height: 210px;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .header-inner {
    gap: 16px;
  }

  .brand-seal {
    width: 34px;
    height: 34px;
    font-size: 19px;
  }

  .brand-cn {
    font-size: 17px;
  }

  .home-hero {
    padding-top: calc(var(--header-h) + 44px);
  }

  .hero-copy .eyebrow {
    margin-bottom: 22px;
  }

  .hero-title {
    font-size: clamp(46px, 13.2vw, 70px);
    line-height: 1.06;
  }

  .hero-lede {
    font-size: 14.5px;
    line-height: 1.9;
  }

  .hero-actions {
    gap: 16px;
    margin-top: 28px;
  }

  .btn {
    min-height: 50px;
    padding: 0 22px;
    font-size: 12.5px;
  }

  .hero-facts {
    gap: 12px 24px;
    padding-top: 14px;
  }

  .art-card {
    aspect-ratio: 1 / 1.03;
  }

  .art-glyph {
    font-size: clamp(160px, 43vw, 240px);
    left: 4%;
    bottom: 10%;
  }

  .art-vertical {
    top: 20%;
    right: 7%;
    font-size: 10px;
  }

  .art-note {
    display: none;
  }

  .index-item {
    min-width: 132px;
    padding: 16px;
  }

  .index-cn {
    font-size: 15px;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .stat,
  .stat:nth-child(2),
  .stat:last-child {
    padding: 20px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .stat-number {
    font-size: 44px;
  }

  .chapter-row {
    grid-template-columns: 38px minmax(0, 1fr) 32px;
    gap: 12px;
    padding: 24px 2px;
  }

  .chapter-row:hover {
    padding-left: 8px;
    padding-right: 2px;
  }

  .chapter-desc {
    display: none;
  }

  .chapter-main strong {
    font-size: 22px;
  }

  .chapter-arrow {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .quote-band blockquote {
    font-size: clamp(30px, 8.5vw, 44px);
  }

  .quote-mark {
    font-size: 64px;
  }

  .quote-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .closing-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 30px;
  }

  .closing h2 {
    font-size: clamp(32px, 8.8vw, 48px);
  }

  .page-hero {
    padding-top: calc(var(--header-h) + 40px);
  }

  .page-hero h1 {
    font-size: clamp(44px, 12vw, 64px);
  }

  .page-num {
    font-size: 46vw;
    opacity: 0.5;
  }

  .insight-grid,
  .tcm-grid,
  .persona-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .insight-card {
    min-height: 240px;
    padding: 26px;
  }

  .insight-card h3 {
    margin-top: 26px;
    font-size: 24px;
  }

  .barrier {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px 14px;
    padding: 20px 0;
  }

  .barrier p {
    grid-column: 2;
    font-size: 12.5px;
  }

  .barrier-main h3 {
    font-size: 20px;
  }

  .tcm-summary {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 22px;
  }

  .path-row {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px 16px;
    padding: 26px 0;
  }

  .path-body {
    grid-column: 2;
  }

  .path-title h3 {
    font-size: 26px;
  }

  .journey-grid,
  .reading-order {
    grid-template-columns: 1fr;
  }

  .journey-step {
    min-height: 0;
  }

  .journey-step::after {
    top: auto;
    right: 50%;
    bottom: -21px;
    transform: translateX(50%) rotate(90deg);
  }

  .journey-step .step-bottom {
    margin-top: 22px;
  }

  .sample-list {
    display: flex;
  }

  .table-hint {
    display: flex;
  }

  .sample:nth-child(2) {
    border-top: 1px solid var(--line);
    padding-top: 13px;
  }

  .position-map {
    min-height: 340px;
    aspect-ratio: 1 / 1.05;
  }

  .map-gap {
    left: 67%;
    top: 23%;
    width: 36%;
    padding: 10px;
  }

  .map-point.professional {
    left: 25%;
    top: 72%;
  }

  .map-point.platform {
    left: 68%;
    top: 71%;
  }

  .map-point.ecosystem {
    left: 79%;
    top: 48%;
  }

  .map-copy h2 {
    font-size: 34px;
  }

  .map-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .question-row {
    grid-template-columns: 32px minmax(0, 1fr) 24px;
    gap: 12px;
    padding: 18px 0;
  }

  .question-row .q-link-label {
    display: none;
  }

  .question-row h3 {
    font-size: 20px;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .chapter-nav .nav-count {
    display: none;
  }

  .chapter-nav a {
    padding: 15px 13px;
    font-size: 11px;
  }

  .chapter-nav a::after {
    left: 13px;
    right: 13px;
  }

  .to-top {
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 400px) {
  .hero-title {
    font-size: 44px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-facts {
    gap: 10px 18px;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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

/* ---------- Print ---------- */

@media print {
  .site-header,
  .menu-panel,
  .to-top,
  .progress-track,
  .chapter-nav-wrap,
  .site-footer,
  .hero-index {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .page-hero,
  .home-hero {
    padding-top: 24px;
  }

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