/* ---------- Tokens ---------- */
:root {
  --color-page: #f6f5f2;
  --color-surface: #ffffff;
  --color-surface-muted: #ecebe7;
  --color-surface-inverse: #000000;
  --color-text: rgba(0, 0, 0, 0.9);
  --color-text-secondary: rgba(0, 0, 0, 0.62);
  --color-text-emphasis: #0969e8;
  --color-activity-emphasis: #c62828;
  --color-emphasis-surface: color-mix(in srgb, var(--color-text-emphasis) 7%, var(--color-surface));
  --color-text-muted: rgba(0, 0, 0, 0.42);
  --color-text-inverse: #ffffff;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-brand: #000000;
  --color-on-brand: #ffffff;
  --color-brand-hover: color-mix(in srgb, var(--color-brand) 88%, white);
  --color-brand-accent: #ffc530;
  --color-brand-accent-ink: color-mix(in srgb, var(--color-brand-accent) 55%, black);
  --color-brand-accent-surface: color-mix(in srgb, var(--color-brand-accent) 18%, white);
  --color-error: #b42318;
  --color-error-surface: color-mix(in srgb, var(--color-error) 7%, var(--color-surface));
  --color-supervision: #10b981;
  --color-supervision-accent: #2dd4bf;
  --color-action: var(--color-brand);
  --color-on-action: var(--color-on-brand);
  --color-action-hover: var(--color-brand-hover);
  --color-focus-ring: var(--color-brand);

  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-control-gap: 10px;
  --space-card-compact: 18px;
  --space-page-gutter: var(--space-lg);
  --space-grid-gap: 20px;
  --space-input-block: var(--space-sm);
  --space-input-inline: var(--space-md);
  --space-button-block: var(--space-md);
  --space-button-inline: var(--space-lg);
  --space-card-inset: var(--space-lg);

  --radius-control: 12px;
  --radius-card: 24px;
  --radius-card-compact: 18px;
  --radius-panel: 32px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(10, 12, 20, 0.04), 0 10px 30px -12px rgba(10, 12, 20, 0.12);
  --shadow-float: 0 24px 60px -20px rgba(10, 12, 20, 0.35);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-emphasis: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --container: 1120px;
  --nav-h: 56px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--space-xl));
}

body {
  margin: 0;
  background: var(--color-page);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

h1,
h2,
h3,
p {
  margin: 0;
}

h1 em,
h2 em,
h3 em {
  font-family: var(--font-emphasis);
  font-style: normal;
  font-weight: 600;
  color: var(--color-text-emphasis);
}

.nav-cta:focus-visible,
.btn-primary:focus-visible,
.faq summary:focus-visible,
.input-field:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 4px;
}

.shot-frame:focus-visible,
.shots:focus-visible,
.nav-links a:focus-visible,
.nav-menu summary:focus-visible,
.nav-menu-links a:focus-visible,
.text-link:focus-visible,
.button-secondary:focus-visible,
.pricing-comparison:focus-visible,
.footer-links a:focus-visible,
.updates-back:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 4px;
}

.input-field {
  padding: var(--space-input-block) var(--space-input-inline);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font);
}

.input-field[aria-invalid="true"] {
  border-color: var(--color-error);
  background: var(--color-error-surface);
}

.input-field[aria-invalid="true"]:focus-visible {
  outline-color: var(--color-error);
}

.input-error {
  margin-top: var(--space-xs);
  color: var(--color-error);
  font-size: 14px;
}

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

.container--narrow {
  --container: 820px;
}

.br-mobile {
  display: none;
}

/* ---------- Floating capsule nav ---------- */
.site-header {
  position: fixed;
  top: 14px;
  left: 0;
  right: 0;
  z-index: 50;
  pointer-events: none;
}

.nav {
  position: relative;
  pointer-events: auto;
  width: min(100% - var(--space-xl), 1040px);
  height: var(--nav-h);
  margin-inline: auto;
  padding: 0 10px 0 14px;
  display: flex;
  align-items: center;
  gap: 28px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 28px -10px rgba(10, 12, 20, 0.14);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled .nav {
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 10px 32px -10px rgba(10, 12, 20, 0.2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-control-gap);
  font-weight: 600;
  font-size: 16px;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: var(--space-grid-gap);
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.nav-links a {
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a[aria-current="page"],
.nav-menu-links a[aria-current="page"] {
  color: var(--color-text-emphasis);
}

.nav-menu {
  display: none;
  margin-left: auto;
}

.nav-menu summary {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-block: var(--space-xs);
  font-size: 14px;
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}

.nav-menu summary::-webkit-details-marker {
  display: none;
}

.nav-menu[open] summary svg {
  transform: rotate(180deg);
}

.nav-menu-links {
  position: absolute;
  top: calc(100% + var(--space-xs));
  right: var(--space-sm);
  width: min(280px, 100vw - 64px);
  margin: 0;
  padding: var(--space-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card-compact);
  background: var(--color-surface);
  box-shadow: var(--shadow-float);
  list-style: none;
}

.nav-menu-links a {
  display: block;
  padding: var(--space-input-block) var(--space-input-inline);
  border-radius: var(--radius-control);
  font-size: 15px;
}

.nav-menu-links a:hover {
  background: var(--color-surface-muted);
}

.nav-links a.nav-activity,
.nav-menu-links a.nav-activity {
  color: var(--color-activity-emphasis);
}

.nav-links a.nav-activity:hover,
.nav-menu-links a.nav-activity:hover {
  color: color-mix(in srgb, var(--color-activity-emphasis) 85%, black);
}

.text-link {
  display: inline-block;
  color: var(--color-text-emphasis);
  font-weight: 500;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-control-gap);
  padding: var(--space-button-block) var(--space-button-inline);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-action);
  color: var(--color-on-action);
  font-weight: 500;
}

.button-secondary:hover {
  background: var(--color-action-hover);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  background: var(--color-action);
  color: var(--color-on-action);
  font-size: 13px;
  font-weight: 600;
  transition: transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--color-action-hover);
  transform: translateY(-1px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 88px) 0 0;
  text-align: center;
}

.hero-glow {
  position: absolute;
  inset: 0 0 auto;
  height: 900px;
  background:
    radial-gradient(36% 40% at 50% 18%, color-mix(in srgb, var(--color-brand-accent) 32%, transparent), transparent 70%),
    radial-gradient(30% 36% at 18% 46%, color-mix(in srgb, var(--color-supervision) 10%, transparent), transparent 70%),
    radial-gradient(30% 36% at 84% 40%, rgba(120, 140, 255, 0.12), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-icon {
  width: 168px;
  height: 168px;
  border-radius: 38px;
  box-shadow:
    0 30px 60px -18px rgba(160, 100, 0, 0.5),
    0 12px 24px -12px rgba(0, 0, 0, 0.25);
  animation: float 6s ease-in-out infinite;
}

.hero h1 {
  margin-top: 40px;
  font-size: clamp(32px, 4.5vw, 64px);
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero h1 span,
.hero h1 em {
  display: inline-block;
}

.hero h1 em {
  letter-spacing: -0.01em;
}

.hero-promise {
  margin-top: var(--space-lg);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.hero-sub {
  margin-top: var(--space-lg);
  max-width: 640px;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 300;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.hero-action {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: var(--space-card-compact);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-control-gap);
  padding: var(--space-button-block) var(--space-button-inline);
  border-radius: var(--radius-pill);
  background: var(--color-action);
  color: var(--color-on-action);
  font-size: 20px;
  font-weight: 500;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  background: var(--color-action-hover);
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -14px rgba(0, 0, 0, 0.6);
}

.btn-primary:active {
  transform: translateY(0);
}

.hero-note {
  margin-top: var(--space-card-compact);
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Layered product stage */
.stage {
  position: relative;
  height: 600px;
  margin-top: 72px;
  overflow: hidden;
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-card);
}

.stage-art {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 70% at 15% 20%, color-mix(in srgb, var(--color-brand-accent) 58%, white) 0%, transparent 60%),
    radial-gradient(50% 60% at 85% 25%, #bfe9d6 0%, transparent 62%),
    radial-gradient(55% 70% at 70% 95%, #ffc9a8 0%, transparent 60%),
    radial-gradient(45% 55% at 20% 95%, #c9d4ff 0%, transparent 60%),
    #f4ecd8;
}

.stage-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0, 0, 0, 0.06) 1px, transparent 1px);
  background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 85%);
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
}

.phone {
  position: absolute;
  left: 50%;
  top: var(--space-3xl);
  width: 300px;
  height: 610px;
  margin-left: -150px;
  padding: 11px;
  border-radius: 50px;
  background: #1c1c1e;
  box-shadow: var(--shadow-float), inset 0 0 0 2px #3a3a3c;
}

.phone-notch {
  position: absolute;
  top: 22px;
  left: 50%;
  z-index: 2;
  width: 90px;
  height: 26px;
  margin-left: -45px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-inverse);
}

.shield {
  --color-surface: var(--color-surface-inverse);
  --color-text: var(--color-text-inverse);
  --color-border: rgba(255, 255, 255, 0.18);
  --color-action: var(--color-on-brand);
  --color-on-action: var(--color-brand);
  --color-action-hover: color-mix(in srgb, var(--color-on-brand) 88%, var(--color-brand));
  --color-focus-ring: var(--color-on-brand);
  --color-error: #ffb4ab;
  --color-error-surface: color-mix(in srgb, var(--color-error) 12%, var(--color-surface));
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 40px;
  background: var(--color-surface);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 130px 26px 0;
}

.shield-glow {
  --tx: -50%;
  position: absolute;
  top: 44px;
  left: 50%;
  width: 270px;
  height: 270px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-supervision) 55%, transparent), color-mix(in srgb, var(--color-supervision-accent) 12%, transparent) 55%, transparent 72%);
  filter: blur(10px);
  animation: breathe 5s ease-in-out infinite;
}

.shield-icon {
  position: relative;
  width: 68px;
  height: 68px;
  border-radius: 16px;
}

.shield-title {
  position: relative;
  margin-top: 26px;
  font-size: 26px;
  font-weight: 700;
}

.shield-text {
  position: relative;
  margin-top: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.shield-actions {
  position: relative;
  margin-top: var(--space-3xl);
  width: 100%;
  display: grid;
  gap: var(--space-xs);
}

.shield-btn {
  display: block;
  padding: var(--space-input-block);
  border-radius: var(--radius-control);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.shield-btn--primary {
  background: var(--color-action);
  color: var(--color-on-action);
}

.float-card {
  position: absolute;
  padding: var(--space-card-compact);
  border-radius: var(--radius-card-compact);
  background: color-mix(in srgb, var(--color-surface) 86%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-surface) 90%, transparent);
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  text-align: left;
}

.float-intent {
  right: 7%;
  top: 150px;
  width: 290px;
  animation: float 7s ease-in-out infinite;
}

.float-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.float-input {
  margin-top: var(--space-xs);
  font-size: 14px;
}

.float-intent .intent-chips {
  margin-top: var(--space-sm);
  justify-content: flex-start;
}

.float-capsule {
  position: absolute;
  left: 7%;
  top: 220px;
  animation-duration: 8s;
}

.stage-mascot {
  position: absolute;
  left: 12%;
  bottom: 60px;
  width: 150px;
  height: 150px;
  transform: rotate(-8deg);
  filter: drop-shadow(0 20px 26px rgba(120, 80, 0, 0.28));
}

/* ---------- Sections ---------- */
.section {
  padding: 140px 0 0;
}

#faq {
  padding-bottom: 140px;
}

.section-head {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-head--left {
  text-align: left;
  margin-bottom: 40px;
}

.kicker {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-brand-accent-ink);
}

.section-head h2 {
  margin-top: 14px;
  font-size: clamp(32px, 4.4vw, 50px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-sub {
  margin: var(--space-card-compact) auto 0;
  max-width: 580px;
  font-size: 19px;
  font-weight: 300;
  color: var(--color-text-secondary);
}

/* ---------- Feature cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-grid-gap);
}

.feature-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-control-gap);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 1px 2px rgba(10, 12, 20, 0.04), 0 22px 44px -18px rgba(10, 12, 20, 0.2);
}

.feature-visual {
  height: 210px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-card-inset);
  border-radius: calc(var(--radius-card) - var(--space-xs));
}

.visual-caption {
  font-size: 13px;
  color: var(--color-text-muted);
}

.visual-breath {
  background: radial-gradient(circle at 50% 45%, #0e2a22, #050807 72%);
}

.visual-breath .visual-caption {
  color: rgba(255, 255, 255, 0.55);
}

.breath-ring {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 2px solid color-mix(in srgb, var(--color-supervision-accent) 60%, transparent);
  box-shadow: 0 0 40px color-mix(in srgb, var(--color-supervision) 45%, transparent), inset 0 0 30px color-mix(in srgb, var(--color-supervision) 25%, transparent);
  animation: breathe 5s ease-in-out infinite;
}

.breath-ring span {
  font-size: 40px;
  font-weight: 300;
  color: var(--color-text-inverse);
}

.visual-intent {
  background: linear-gradient(160deg, color-mix(in srgb, var(--color-brand-accent) 22%, white), color-mix(in srgb, var(--color-brand-accent) 10%, white));
}

.intent-field {
  width: 100%;
  max-width: 260px;
  font-size: 15px;
  text-align: left;
  box-shadow: 0 6px 16px -10px rgba(10, 12, 20, 0.25);
}

.intent-field::after,
.float-input::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1.05em;
  margin-left: 2px;
  vertical-align: -0.15em;
  background: var(--color-brand);
  animation: caret 1.1s steps(1) infinite;
}

.intent-chips {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
}

.intent-chips span {
  padding: 5px var(--space-sm);
  border-radius: var(--radius-pill);
  font-size: 13px;
  background: color-mix(in srgb, var(--color-surface) 85%, transparent);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.intent-chips .is-active {
  background: var(--color-action);
  border-color: var(--color-action);
  color: var(--color-on-action);
}

.visual-capsule {
  background: linear-gradient(160deg, #e6ebf4, #f5f7fb);
}

.capsule {
  position: relative;
  display: grid;
  grid-template-rows: 1fr 1fr;
  flex-shrink: 0;
  width: 170px;
  height: 96px;
  overflow: hidden;
  border-radius: var(--radius-card-compact);
  background: linear-gradient(135deg, #121318, #060709);
  color: var(--color-text-inverse);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
  animation: float 6s ease-in-out infinite;
}

.capsule::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 50%;
  margin-top: -12px;
  width: 2px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.2);
}

.capsule-top {
  display: grid;
  grid-template-columns: 42% 58%;
  align-items: center;
  padding-inline: 6px;
}

.capsule-eyes {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
}

.capsule-eye {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(var(--color-text-inverse), #f3e8ff);
  box-shadow: 0 2px 6px rgba(168, 85, 247, 0.45);
}

.capsule-pupil {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3b0764;
}

.capsule-pupil::after {
  content: "";
  position: absolute;
  top: 1px;
  right: 1px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-text-inverse);
}

.capsule-time {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 22px;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
}

.capsule-intent-row {
  display: flex;
  align-items: stretch;
  padding: 4px var(--space-control-gap);
  transform: translateY(-6px);
}

.capsule-intent {
  display: grid;
  place-items: center;
  width: 100%;
  padding: 0 var(--space-xs);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 10.5px;
  font-weight: 700;
  line-height: 1.08;
  text-align: center;
}

.feature-body {
  padding: var(--space-card-inset) var(--space-card-compact) var(--space-grid-gap);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.feature-body h3 {
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature-body p {
  margin-top: var(--space-sm);
  font-size: 16px;
  font-weight: 300;
  color: var(--color-text-secondary);
}

/* ---------- Evidence ---------- */
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.evidence-card {
  padding: var(--space-card-inset);
  border-radius: var(--radius-card-compact);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.evidence-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-control);
  background: var(--color-brand-accent-surface);
  color: var(--color-brand-accent-ink);
}

.evidence-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.evidence-value {
  margin-top: var(--space-md);
  font-size: 18px;
  font-weight: 600;
}

.evidence-desc {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text-secondary);
}

.evidence-desc .text-link {
  margin-top: var(--space-xs);
}

.shots {
  margin-top: var(--space-3xl);
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-md);
}

.shot {
  min-width: 0;
  margin: 0;
  text-align: center;
}

.shot-frame {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-card-compact);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.shot-frame img {
  width: 100%;
  height: auto;
}

.shot figcaption {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 500;
}

.shots-hint {
  margin-top: var(--space-md);
  text-align: center;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.updates-main {
  padding-top: calc(var(--nav-h) + 88px);
  padding-bottom: 100px;
  min-height: 75vh;
}

.updates-main h1 {
  margin-top: var(--space-md);
  font-size: clamp(36px, 5vw, 56px);
}

.updates-card {
  margin-top: var(--space-2xl);
  padding: var(--space-card-inset);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.updates-card h2 {
  font-size: 22px;
}

.updates-card p {
  margin-top: var(--space-sm);
  color: var(--color-text-secondary);
}

.updates-back {
  display: inline-block;
  margin-top: var(--space-lg);
  color: var(--color-text-emphasis);
  font-weight: 500;
}

.pricing-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.45fr);
  align-items: start;
  gap: var(--space-lg);
}

.pricing-plans {
  display: grid;
  gap: var(--space-lg);
}

.pricing-details {
  min-width: 0;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-card-inset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.pricing-card--pro {
  background: var(--color-brand-accent-surface);
}

.plan-label {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.pricing-card h3 {
  margin-top: var(--space-xs);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
}

.pricing-price {
  margin-top: var(--space-xs);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.plan-description {
  margin-top: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 15px;
}

.plan-benefits {
  display: grid;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
  font-size: 15px;
  line-height: 1.5;
}

.plan-benefits li::marker {
  color: var(--color-brand-accent-ink);
}

.plan-link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: var(--space-sm);
}

.purchase-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-xs);
  margin: var(--space-lg) 0 var(--space-md);
}

.purchase-options div {
  padding: var(--space-sm) var(--space-xs);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  text-align: center;
}

.purchase-options dt {
  font-size: 15px;
  font-weight: 600;
}

.purchase-options dd {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.pricing-store-note,
.pricing-notes {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.pricing-comparison {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.benefit-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.benefit-table caption {
  padding: var(--space-lg);
  font-size: 20px;
  font-weight: 600;
  text-align: left;
}

.benefit-table th,
.benefit-table td {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--color-border);
  text-align: left;
}

.benefit-table thead {
  background: var(--color-page);
}

.benefit-table tbody th {
  font-weight: 400;
}

.benefit-table td:last-child {
  font-weight: 500;
}

.benefit-table th:last-child,
.benefit-table td:last-child {
  background: var(--color-brand-accent-surface);
}

.benefit-table thead th:last-child {
  color: var(--color-text-emphasis);
}

.pricing-notes {
  display: grid;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.comparison-hint {
  display: none;
  margin-top: var(--space-sm);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.activity-main {
  padding-top: calc(var(--nav-h) + 88px);
  padding-bottom: 100px;
}

.activity-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3xl);
}

.activity-hero h1 {
  margin-top: var(--space-md);
  font-size: clamp(36px, 4.5vw, 60px);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.activity-hero .section-sub {
  margin-inline: 0;
}

.activity-intro {
  margin-top: var(--space-md);
  max-width: 520px;
  font-size: 16px;
  color: var(--color-text-secondary);
}

.activity-hero-art {
  display: grid;
  justify-items: center;
  padding: var(--space-xl);
  border-radius: var(--radius-panel);
  background: radial-gradient(ellipse at top, var(--color-brand-accent-surface), transparent 75%), var(--color-surface);
}

.activity-hero-art img {
  width: 192px;
  height: 192px;
  filter: drop-shadow(0 16px 20px rgba(120, 80, 0, 0.16));
}

.activity-hero-art p {
  margin-top: var(--space-sm);
  font-size: 20px;
  font-weight: 500;
}

.activity-hero-art span {
  margin-top: var(--space-xs);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.activity-overview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
}

.activity-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-card-inset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.activity-card--trial {
  background: var(--color-brand-accent-surface);
}

.activity-status {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.activity-number,
.activity-symbol {
  height: 104px;
  margin-top: var(--space-lg);
}

.activity-number {
  font-size: 86px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.06em;
}

.activity-number span {
  padding-left: var(--space-xs);
  font-size: 20px;
  letter-spacing: 0;
}

.activity-symbol {
  display: grid;
  align-items: center;
  color: var(--color-text-emphasis);
}

.activity-symbol svg {
  width: 64px;
  height: 64px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.activity-card h3 {
  font-size: 23px;
  line-height: 1.4;
}

.activity-card h3 + p {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 16px;
  color: var(--color-text-secondary);
}

.activity-card .text-link {
  margin-top: auto;
}

.activity-detail {
  margin-top: var(--space-3xl);
  padding: var(--space-xl);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.activity-detail.reveal {
  transform: none;
}

.activity-detail-head h2 {
  margin-top: var(--space-sm);
  font-size: clamp(26px, 3.5vw, 36px);
  line-height: 1.3;
}

.activity-detail-head h2 + p {
  margin-top: var(--space-md);
  font-size: 16px;
  color: var(--color-text-secondary);
}

.activity-section-title {
  margin-top: var(--space-3xl);
  font-size: 28px;
  font-weight: 600;
}

.activity-section-title + p {
  margin-top: var(--space-sm);
  color: var(--color-text-secondary);
}

.activity-section-title ~ .activity-overview {
  margin-top: var(--space-lg);
}

.activity-notice {
  margin-top: var(--space-xl);
  padding: var(--space-card-inset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card-compact);
  background: var(--color-emphasis-surface);
}

.activity-notice strong {
  font-weight: 600;
}

.activity-notice p {
  margin-top: var(--space-xs);
  font-size: 15px;
  color: var(--color-text-secondary);
}

.activity-subheading {
  margin-top: var(--space-xl);
  font-size: 20px;
  font-weight: 600;
}

.reward-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  padding: 0;
  list-style: none;
}

.reward-grid li {
  padding: var(--space-card-compact);
  border-radius: var(--radius-card-compact);
  background: var(--color-emphasis-surface);
}

.reward-grid strong {
  display: block;
  color: var(--color-text-emphasis);
  font-size: 24px;
  font-weight: 600;
}

.reward-grid p {
  margin-top: var(--space-xs);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.activity-process {
  display: grid;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  padding-left: var(--space-lg);
  font-size: 16px;
}

.activity-guidelines {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
  padding-left: var(--space-lg);
  font-size: 15px;
  color: var(--color-text-secondary);
}

.activity-process li::marker {
  color: var(--color-text-emphasis);
  font-weight: 600;
}

.activity-footnote {
  margin: var(--space-md) 0;
  color: var(--color-text-secondary);
  font-size: 13px;
}

.activity-rule-note {
  padding: var(--space-card-compact);
  border-radius: var(--radius-card-compact);
  background: var(--color-brand-accent-surface);
}

.activity-rule-note ul {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-sm) 0 0;
  padding-left: var(--space-lg);
  font-size: 15px;
  color: var(--color-text-secondary);
}

.activity-application {
  margin-top: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  overflow: hidden;
}

.activity-application[hidden] {
  display: none;
}

.activity-application + .text-link {
  margin-top: var(--space-md);
}

.activity-application > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-button-block) var(--space-button-inline);
  background: var(--color-brand-accent-surface);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.activity-application > summary::-webkit-details-marker {
  display: none;
}

.activity-application > summary:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: -4px;
}

.activity-application[open] > summary span {
  transform: rotate(45deg);
}

.activity-form-body {
  padding: var(--space-card-inset);
}

.activity-form-body > p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
  font-size: 14px;
}

.activity-form-frame {
  display: block;
  width: 100%;
  height: 760px;
  margin-top: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-surface);
}

.no-js .activity-form-frame {
  display: none;
}

.activity-availability {
  margin-top: var(--space-lg);
  color: var(--color-text-emphasis);
  font-size: 15px;
}

.activity-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-brand-accent-surface);
}

.activity-contact h2 {
  margin-top: var(--space-sm);
  font-size: 23px;
}

.activity-contact h2 + p {
  margin-top: var(--space-sm);
  max-width: 650px;
  font-size: 15px;
  color: var(--color-text-secondary);
}

.activity-contact .text-link {
  flex-shrink: 0;
}

.boundary {
  position: relative;
  overflow: hidden;
  margin-top: var(--space-3xl);
  padding: var(--space-2xl) 56px var(--space-2xl) 220px;
  border-radius: var(--radius-panel);
  background: var(--color-surface-muted);
}

.boundary-mark {
  position: absolute;
  left: var(--space-2xl);
  top: 50%;
  width: 130px;
  height: 130px;
  margin-top: -65px;
  fill: none;
  stroke: rgba(0, 0, 0, 0.1);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.boundary h3 {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 600;
  color: rgba(0, 0, 0, 0.75);
}

.boundary ul {
  margin: var(--space-card-compact) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-control-gap);
}

.boundary li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  font-weight: 300;
  color: var(--color-text-secondary);
}

.boundary li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--color-brand-accent);
}

/* ---------- FAQ ---------- */
.faq details {
  border-bottom: 1px solid var(--color-border);
}

.faq details:first-child {
  border-top: 1px solid var(--color-border);
}

.faq summary {
  position: relative;
  padding: 22px var(--space-2xl) 22px 0;
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::before,
.faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 14px;
  height: 1.6px;
  border-radius: 1px;
  background: var(--color-text-muted);
  transition: transform 0.25s ease;
}

.faq summary::after {
  transform: rotate(90deg);
}

.faq details[open] summary::before {
  transform: rotate(45deg);
}

.faq details[open] summary::after {
  transform: rotate(135deg);
}

.faq details p {
  padding: 0 var(--space-2xl) var(--space-lg) 0;
  font-size: 16px;
  font-weight: 300;
  color: var(--color-text-secondary);
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 56px 0 40px;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-control-gap) 28px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-brand {
  margin-top: 36px;
  font-size: 15px;
}

.footer-brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}

.footer-tagline {
  margin-top: var(--space-lg);
  font-size: 16px;
  font-weight: 500;
}

.footer-tagline-en {
  margin-top: var(--space-xs);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.footer-copy {
  margin-top: var(--space-control-gap);
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---------- Motion ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.reveal.is-visible,
.no-js .reveal {
  opacity: 1;
  transform: none;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes breathe {
  0%,
  100% {
    transform: translateX(var(--tx, 0)) scale(0.92);
    opacity: 0.75;
  }
  50% {
    transform: translateX(var(--tx, 0)) scale(1.06);
    opacity: 1;
  }
}

@keyframes caret {
  50% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .shots {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(72vw, 280px);
    overflow-x: auto;
    padding: 4px 4px var(--space-md);
    scroll-snap-type: x mandatory;
  }
  .shot {
    scroll-snap-align: start;
  }
  .float-intent {
    right: 3%;
    width: 250px;
  }
  .float-capsule {
    left: 3%;
  }
  .stage-mascot {
    left: 5%;
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }
  .nav-menu {
    display: block;
  }
  .nav {
    gap: var(--space-sm);
  }
  .nav-cta {
    margin-left: 0;
  }
  .activity-hero {
    gap: var(--space-xl);
  }
  .activity-overview {
    grid-template-columns: 1fr;
  }
  .activity-card {
    padding: var(--space-xl);
  }
  .activity-contact {
    align-items: flex-start;
    flex-direction: column;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-inline: auto;
  }
  .evidence-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .float-intent,
  .float-capsule {
    display: none;
  }
  .stage-mascot {
    left: auto;
    right: 6%;
    bottom: auto;
    top: 48px;
    transform: rotate(8deg);
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }
  .nav {
    gap: var(--space-sm);
  }
  .nav-cta {
    margin-left: 0;
  }
  .br-mobile {
    display: inline;
  }
  .br-desktop {
    display: none;
  }
  .hero {
    padding-top: calc(var(--nav-h) + 64px);
  }
  .hero-icon {
    width: 128px;
    height: 128px;
    border-radius: 29px;
  }
  .hero-action {
    flex-direction: column;
    gap: var(--space-control-gap);
  }
  .btn-primary {
    font-size: 18px;
  }
  .stage {
    height: 520px;
    margin-top: 56px;
  }
  .phone {
    top: var(--space-2xl);
    width: 270px;
    height: 550px;
    margin-left: -135px;
  }
  .shield {
    padding-top: 110px;
  }
  .stage-mascot {
    right: -6px;
    top: var(--space-lg);
    width: 92px;
    height: 92px;
  }
  .section {
    padding-top: 100px;
  }
  #faq {
    padding-bottom: 100px;
  }
  .section-head {
    margin-bottom: 44px;
  }
  .boundary {
    padding: var(--space-xl) var(--space-card-inset);
  }
  .boundary-mark {
    left: auto;
    right: -20px;
    top: var(--space-lg);
    margin-top: 0;
  }
  .pricing-layout,
  .activity-hero,
  .reward-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card,
  .activity-detail,
  .activity-card,
  .activity-contact {
    padding: var(--space-card-inset);
  }
  .purchase-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .comparison-hint {
    display: block;
  }
  .activity-hero-art img {
    width: 150px;
    height: 150px;
  }
  .activity-hero-art {
    padding: var(--space-lg);
  }
  .activity-hero h1 {
    font-size: clamp(26px, 7.2vw, 40px);
  }
}

@media (max-width: 360px) {
  .hero h1 {
    font-size: 28px;
  }
  .nav {
    gap: var(--space-xs);
  }
  .nav-cta {
    padding-inline: var(--space-sm);
  }
  .brand {
    gap: var(--space-xs);
    font-size: 14px;
  }
  .brand img {
    width: 26px;
    height: 26px;
  }
}

@media (max-width: 480px) {
  .evidence-grid {
    grid-template-columns: 1fr;
  }
}