:root {
  color-scheme: light dark;
  --paper: #EEF0F4;
  --surface: #FFFFFF;
  --surface-alt: #F5F6F9;
  --ink: #14161C;
  --ink-muted: #4A505E;
  --ink-faint: #666C7A;
  --line: #DCE0E7;
  --line-soft: #E9ECF1;
  --accent: #2B63E8;
  --accent-soft: #EAF0FD;
  --violet: #7448D0;
  --violet-soft: #F1ECFB;
  --amber: #B26500;
  --amber-soft: #FDF2E2;
  --teal: #0B7F80;
  --teal-soft: #E3F4F3;
  --rose: #C8336A;
  --rose-soft: #FCEBF1;
  --spark: #F5A623;
  --up: #0B7A55;
  --up-soft: #E6F4EE;
  --down: #C93125;
  --down-soft: #FBEDEB;
  --warn-soft: #FFF6E0;
  --on-ink: #FFFFFF;
  --on-color: #FFFFFF;
  --hero-bg: #14161C;
  --hero-ink: #FFFFFF;
  --hero-muted: rgba(255, 255, 255, 0.64);
  --hero-line: rgba(255, 255, 255, 0.12);
  --hero-accent: #7FA4FF;
  --hero-up: #4FD1A0;
  --overlay: rgba(20, 22, 28, 0.42);
  --shadow: rgba(20, 22, 28, 0.10);
  --glass: rgba(255, 255, 255, 0.74);
  --bezel: #0B0D12;
  --wall-base: #E4E8F0;
  --wall-a: #DCD0F6;
  --wall-b: #C9D8FA;
  --wall-c: #F6D9E3;
  --radius-lg: 18px;
  --font: "LINE Seed Sans KR", "LINESeedKR", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard Variable", Pretendard, "Noto Sans KR", "Malgun Gothic", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0E1116;
    --surface: #171B22;
    --surface-alt: #1E232C;
    --ink: #F0F2F6;
    --ink-muted: #A8B0BF;
    --ink-faint: #878F9C;
    --line: #2A3039;
    --line-soft: #222831;
    --accent: #7FA4FF;
    --accent-soft: #18223A;
    --violet: #B79CF5;
    --violet-soft: #251E37;
    --amber: #F2B35A;
    --amber-soft: #2F2415;
    --teal: #5ACFCB;
    --teal-soft: #122A2A;
    --rose: #FF8DB2;
    --rose-soft: #341B25;
    --spark: #F2B35A;
    --up: #4FD1A0;
    --up-soft: #12291F;
    --down: #FF6B5C;
    --down-soft: #33201E;
    --warn-soft: #2E2513;
    --on-ink: #0E1116;
    --on-color: #0E1116;
    --hero-bg: #1C2230;
    --hero-ink: #F0F2F6;
    --hero-muted: rgba(240, 242, 246, 0.62);
    --hero-line: rgba(240, 242, 246, 0.12);
    --overlay: rgba(0, 0, 0, 0.6);
    --shadow: rgba(0, 0, 0, 0.45);
    --glass: rgba(23, 27, 34, 0.72);
    --bezel: #2A3039;
    --wall-base: #10141B;
    --wall-a: #241B3D;
    --wall-b: #14264D;
    --wall-c: #33192A;
  }
}

@media (min-width: 768px) {
  :root {
    --gutter: 24px;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  color: var(--ink);
}

strong,
b {
  font-weight: 700;
}

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--surface-alt);
  border-radius: 6px;
  padding: 0.12em 0.4em;
  word-break: break-all;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.num {
  font-variant-numeric: tabular-nums;
}

.c-dup {
  --c: var(--accent);
  --cs: var(--accent-soft);
}

.c-sim {
  --c: var(--violet);
  --cs: var(--violet-soft);
}

.c-shot {
  --c: var(--amber);
  --cs: var(--amber-soft);
}

.c-blur {
  --c: var(--teal);
  --cs: var(--teal-soft);
}

.c-vid {
  --c: var(--rose);
  --cs: var(--rose-soft);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  background: var(--ink);
  color: var(--on-ink);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 12px;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap-narrow {
  max-width: 820px;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  margin-top: 12px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  border-radius: 999px;
  background: var(--glass);
  -webkit-backdrop-filter: saturate(1.6) blur(18px);
  backdrop-filter: saturate(1.6) blur(18px);
  box-shadow: 0 8px 36px var(--shadow);
}

.brand {
  padding: 0 16px 0 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.03em;
}

.brand img {
  width: 30px;
  height: auto;
}

.nav {
  padding: 4px;
  gap: 2px;
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-muted);
  transition: background-color 140ms ease, color 140ms ease;
}

.nav a:hover {
  background: var(--surface-alt);
  color: var(--ink);
}

.nav a[aria-current="page"] {
  background: var(--ink);
  color: var(--on-ink);
}

.nav .nav-lang {
  color: var(--ink);
  border: 1px solid var(--line);
  margin-left: 2px;
}

@media (max-width: 640px) {
  .nav .nav-optional {
    display: none;
  }

  .nav a {
    padding: 0 12px;
  }
}

@media (max-width: 400px) {
  .nav .nav-md {
    display: none;
  }
}

main {
  display: block;
}

.section {
  padding-block: 56px;
}

@media (min-width: 900px) {
  .section {
    padding-block: 88px;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  padding: 0 14px 0 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 700;
}

.eyebrow-dots {
  display: inline-flex;
  gap: 3px;
}

.eyebrow-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c);
}

.kicker {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-faint);
  margin-bottom: 12px;
}

.h1 {
  font-size: clamp(36px, 6.6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.h1:lang(en) {
  font-size: clamp(36px, 5.6vw, 58px);
  letter-spacing: -0.04em;
}

.h2 {
  font-size: clamp(28px, 4.2vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.038em;
}

.h3 {
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.025em;
}

.lead {
  font-size: clamp(17px, 1.9vw, 19px);
  line-height: 1.7;
  color: var(--ink-muted);
}

.muted {
  color: var(--ink-muted);
}

.hero {
  padding-top: 48px;
  padding-bottom: 40px;
}

@media (min-width: 900px) {
  .hero {
    padding-top: 72px;
    padding-bottom: 64px;
  }
}

.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 56px;
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.hero-copy .lead {
  max-width: 34em;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 8px 18px 8px 14px;
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 140ms ease;
}

a.store-badge:hover {
  background: var(--surface-alt);
}

.store-badge:focus-visible {
  border-radius: 16px;
}

.store-badge svg {
  width: 26px;
  height: 26px;
  flex: none;
}

.store-badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.store-badge-status {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-muted);
}

.is-soon .store-badge-status {
  color: var(--accent);
}

.is-soon svg {
  color: var(--ink-faint);
}

.store-badge-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 0;
  margin: 0;
  list-style: none;
  font-size: 14px;
  color: var(--ink-muted);
}

.trust li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

.icon {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-fill {
  fill: currentColor;
  stroke: none;
}

.chip {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--cs);
  color: var(--c);
}

.chip svg {
  width: 22px;
  height: 22px;
}

.ph {
  position: relative;
  display: block;
  overflow: hidden;
  background: #9AA3B2;
}

.ph svg {
  width: 100%;
  height: 100%;
}

.ph-blur svg {
  filter: blur(2.6px);
  transform: scale(1.18);
}

.ph-soft svg {
  filter: blur(0.9px);
  transform: scale(1.06);
}

.ph.is-keep::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 3px solid var(--accent);
  border-radius: inherit;
}

.ph-badge {
  position: absolute;
  top: 7%;
  z-index: 1;
  width: 26%;
  max-width: 26px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.ph-badge svg {
  width: 64%;
  height: 64%;
  stroke-width: 2.6;
}

.ph-keep {
  left: 7%;
  background: var(--accent);
  color: var(--on-color);
}

.ph-del {
  right: 7%;
  background: var(--down);
  color: var(--on-color);
}

.ph-idle {
  right: 7%;
  border: 2px solid rgba(255, 255, 255, 0.92);
  background: rgba(0, 0, 0, 0.16);
}

.ph-play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 34%;
  max-width: 40px;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.42);
  color: #FFFFFF;
}

.ph-play svg {
  width: 52%;
  height: 52%;
  margin-left: 6%;
}

.ph-size {
  position: absolute;
  right: 6%;
  bottom: 6%;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.5);
  color: #FFFFFF;
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ph-size:empty {
  display: none;
}

.phone {
  container-type: inline-size;
  --D: 360;
  --u: calc(100cqi / var(--D));
  position: relative;
  width: min(calc(100% - 20px), 360px);
  margin-inline: auto;
  aspect-ratio: 360 / 740;
  border-radius: clamp(36px, 11vw, 50px);
  background: var(--paper);
  box-shadow: 0 0 0 9px var(--bezel), 0 36px 80px var(--shadow);
  overflow: hidden;
}

.phone-in {
  position: absolute;
  inset: 0;
  padding: calc(var(--u) * 54) calc(var(--u) * 16) 0;
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 12);
  line-height: 1.3;
  -webkit-mask-image: linear-gradient(to bottom, #000 84%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 84%, transparent 100%);
}

.phone-in > * {
  flex-shrink: 0;
}

.phone-island {
  position: absolute;
  top: calc(var(--u) * 12);
  left: 50%;
  width: calc(var(--u) * 96);
  height: calc(var(--u) * 28);
  transform: translateX(-50%);
  border-radius: 999px;
  background: #000;
  z-index: 2;
}

.p-header {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 8);
}

.p-header .p-round:last-child,
.p-header .p-count {
  margin-left: auto;
}

.p-pill {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--u) * 8);
  height: calc(var(--u) * 46);
  padding: 0 calc(var(--u) * 18) 0 calc(var(--u) * 10);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 0 calc(var(--u) * 8) calc(var(--u) * 30) var(--shadow);
  font-size: calc(var(--u) * 18);
  font-weight: 700;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.p-pill img {
  width: calc(var(--u) * 30);
  height: auto;
}

.p-round {
  width: calc(var(--u) * 46);
  padding: 0;
  justify-content: center;
}

.p-round svg {
  width: calc(var(--u) * 21);
  height: calc(var(--u) * 21);
}

.p-title {
  padding: 0 calc(var(--u) * 18);
}

.p-count {
  padding: 0 calc(var(--u) * 15);
  font-size: calc(var(--u) * 15);
}

.p-hero {
  background: var(--hero-bg);
  color: var(--hero-ink);
  border-radius: calc(var(--u) * 22);
  padding: calc(var(--u) * 20) calc(var(--u) * 20) calc(var(--u) * 16);
}

.p-hero-label {
  font-size: calc(var(--u) * 13.5);
  color: var(--hero-muted);
}

.p-hero-value {
  font-size: calc(var(--u) * 46);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.1;
  margin-top: calc(var(--u) * 6);
  white-space: nowrap;
}

.p-hero-sub {
  font-size: calc(var(--u) * 14.5);
  font-weight: 700;
  margin-top: calc(var(--u) * 10);
}

.segbar {
  display: flex;
  gap: calc(var(--u) * 3);
  height: calc(var(--u) * 8);
  margin-top: calc(var(--u) * 14);
}

.segbar i {
  border-radius: 999px;
  background: var(--c);
}

.segbar .c-dup { flex: 38; }
.segbar .c-sim { flex: 46; }
.segbar .c-shot { flex: 12; }
.segbar .c-blur { flex: 9; }
.segbar .c-vid { flex: 96; }

.p-legend {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--u) * 5) calc(var(--u) * 12);
  margin-top: calc(var(--u) * 12);
}

.p-legend span {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--u) * 5);
  font-size: calc(var(--u) * 12);
  color: var(--hero-muted);
  white-space: nowrap;
}

.p-legend b {
  color: var(--hero-ink);
  font-variant-numeric: tabular-nums;
}

.p-legend .dot {
  width: calc(var(--u) * 7);
  height: calc(var(--u) * 7);
  border-radius: 50%;
  background: var(--c);
}

.p-hero-foot {
  margin-top: calc(var(--u) * 14);
  padding-top: calc(var(--u) * 12);
  border-top: 1px solid var(--hero-line);
  font-size: calc(var(--u) * 13);
  color: var(--hero-muted);
}

.p-section {
  display: grid;
  gap: calc(var(--u) * 3);
  margin-top: calc(var(--u) * 6);
}

.p-section b {
  font-size: calc(var(--u) * 20);
  letter-spacing: -0.03em;
}

.p-section span {
  font-size: calc(var(--u) * 12.5);
  color: var(--ink-faint);
}

.p-cats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--u) * 10);
}

.p-cat {
  background: var(--surface);
  border-radius: calc(var(--u) * 20);
  padding: calc(var(--u) * 10) calc(var(--u) * 10) calc(var(--u) * 13);
  display: grid;
  gap: calc(var(--u) * 8);
}

.p-thumbs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--u) * 2);
  border-radius: calc(var(--u) * 13);
  overflow: hidden;
}

.p-thumbs .ph {
  aspect-ratio: 1;
}

.p-thumbs-one {
  grid-template-columns: 1fr;
}

.p-thumbs-one .ph {
  aspect-ratio: auto;
  height: calc(var(--u) * 138);
}

.p-cat .chip {
  width: calc(var(--u) * 26);
  height: calc(var(--u) * 26);
  border-radius: calc(var(--u) * 8);
}

.p-cat .chip svg {
  width: calc(var(--u) * 15);
  height: calc(var(--u) * 15);
}

.p-cat-name {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 7);
  font-size: calc(var(--u) * 14.5);
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.p-cat-meta {
  font-size: calc(var(--u) * 12.5);
  color: var(--ink-faint);
  padding-left: calc(var(--u) * 2);
  font-variant-numeric: tabular-nums;
}

.p-cat-swipe {
  background: var(--hero-bg);
  color: var(--hero-ink);
}

.p-swipe-art {
  height: calc(var(--u) * 138);
  border-radius: calc(var(--u) * 13);
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  color: var(--hero-muted);
}

.p-swipe-art svg {
  width: calc(var(--u) * 36);
  height: calc(var(--u) * 36);
}

.p-cat-swipe .p-cat-name svg {
  width: calc(var(--u) * 16);
  height: calc(var(--u) * 16);
  margin-left: auto;
}

.phone-swipe .phone-in {
  padding-bottom: calc(var(--u) * 22);
  -webkit-mask-image: none;
  mask-image: none;
}

.swipe-stack {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  margin-top: calc(var(--u) * 8);
}

.phone-in > .swipe-stack {
  flex-shrink: 1;
}

.swipe-card {
  position: absolute;
  inset: 0 calc(var(--u) * 6);
  border-radius: calc(var(--u) * 26);
  overflow: hidden;
  box-shadow: 0 calc(var(--u) * 14) calc(var(--u) * 34) var(--shadow);
}

.swipe-card .ph {
  width: 100%;
  height: 100%;
}

.swipe-next {
  transform: scale(0.93) translateY(calc(var(--u) * 12));
}

.swipe-top {
  transform: translateX(calc(var(--u) * -12)) rotate(-5deg);
  transform-origin: 50% 100%;
}

.stamp {
  position: absolute;
  top: calc(var(--u) * 26);
  right: calc(var(--u) * 20);
  transform: rotate(12deg);
  padding: calc(var(--u) * 2) calc(var(--u) * 14);
  border: calc(var(--u) * 3) solid #D93A2F;
  border-radius: calc(var(--u) * 12);
  background: rgba(255, 255, 255, 0.86);
  color: #D93A2F;
  font-size: calc(var(--u) * 24);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.date-chip {
  position: absolute;
  left: calc(var(--u) * 16);
  bottom: calc(var(--u) * 16);
  padding: calc(var(--u) * 5) calc(var(--u) * 13);
  border-radius: 999px;
  background: rgba(20, 22, 28, 0.72);
  color: #FFFFFF;
  font-size: calc(var(--u) * 13.5);
  font-weight: 700;
  white-space: nowrap;
}

.swipe-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(var(--u) * 20);
  margin-top: calc(var(--u) * 10);
}

.sa {
  width: calc(var(--u) * 68);
  height: calc(var(--u) * 68);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 calc(var(--u) * 8) calc(var(--u) * 22) var(--shadow);
}

.sa svg {
  width: calc(var(--u) * 28);
  height: calc(var(--u) * 28);
  stroke-width: 2.6;
}

.sa-del {
  background: var(--down);
  color: var(--on-color);
}

.sa-keep {
  background: var(--up);
  color: var(--on-color);
}

.sa-undo {
  width: calc(var(--u) * 50);
  height: calc(var(--u) * 50);
  background: var(--surface);
  color: var(--ink);
}

.sa-undo svg {
  width: calc(var(--u) * 22);
  height: calc(var(--u) * 22);
  stroke-width: 2.2;
}

.swipe-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 8);
  height: calc(var(--u) * 52);
  margin-top: calc(var(--u) * 6);
  border-radius: calc(var(--u) * 18);
  background: var(--ink);
  color: var(--on-ink);
  font-size: calc(var(--u) * 15.5);
  font-weight: 700;
  white-space: nowrap;
}

.swipe-bar svg {
  width: calc(var(--u) * 19);
  height: calc(var(--u) * 19);
}

.stage {
  border-radius: 32px;
  padding: clamp(18px, 5vw, 40px);
  background:
    radial-gradient(70% 70% at 0% 0%, var(--wall-a) 0%, transparent 62%),
    radial-gradient(70% 70% at 100% 25%, var(--wall-b) 0%, transparent 62%),
    radial-gradient(80% 70% at 40% 100%, var(--wall-c) 0%, transparent 60%),
    var(--wall-base);
}

.sheet {
  container-type: inline-size;
  --D: 380;
  --u: calc(100cqi / var(--D));
  width: min(100%, 420px);
  margin-inline: auto;
  border-radius: 30px;
  background: var(--paper);
  box-shadow: 0 30px 70px var(--shadow);
  overflow: hidden;
  line-height: 1.35;
}

.sheet-in {
  padding: calc(var(--u) * 18) calc(var(--u) * 16) calc(var(--u) * 16);
  display: grid;
  gap: calc(var(--u) * 12);
}

.sheet-top {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 8);
}

.s-pill {
  display: inline-flex;
  align-items: center;
  height: calc(var(--u) * 42);
  padding: 0 calc(var(--u) * 17);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 0 calc(var(--u) * 6) calc(var(--u) * 24) var(--shadow);
  font-size: calc(var(--u) * 17);
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.s-round {
  width: calc(var(--u) * 42);
  padding: 0;
  justify-content: center;
}

.s-round svg {
  width: calc(var(--u) * 20);
  height: calc(var(--u) * 20);
}

.s-action {
  margin-left: auto;
  font-size: calc(var(--u) * 13.5);
}

.sheet-lead {
  font-size: calc(var(--u) * 15.5);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: calc(var(--u) * 4);
}

.sheet-note {
  display: flex;
  gap: calc(var(--u) * 8);
  align-items: flex-start;
  padding: calc(var(--u) * 11) calc(var(--u) * 13);
  border-radius: calc(var(--u) * 14);
  background: var(--accent-soft);
  color: var(--ink-muted);
  font-size: calc(var(--u) * 13);
  line-height: 1.5;
}

.sheet-note svg {
  flex: none;
  width: calc(var(--u) * 18);
  height: calc(var(--u) * 18);
  color: var(--accent);
}

.set {
  display: grid;
  gap: calc(var(--u) * 10);
  padding: calc(var(--u) * 13) calc(var(--u) * 14) calc(var(--u) * 14);
  border-radius: calc(var(--u) * 18);
  background: var(--surface);
}

.set-head {
  display: flex;
  justify-content: space-between;
  gap: calc(var(--u) * 8);
  font-size: calc(var(--u) * 14);
  white-space: nowrap;
}

.set-head span {
  color: var(--down);
  font-weight: 700;
}

.set-thumbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: calc(var(--u) * 8);
}

.set-thumbs .ph {
  aspect-ratio: 1;
  border-radius: calc(var(--u) * 13);
}

.sheet-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 8);
  height: calc(var(--u) * 52);
  margin-top: calc(var(--u) * 4);
  border-radius: calc(var(--u) * 18);
  background: var(--down);
  color: var(--on-color);
  font-size: calc(var(--u) * 15.5);
  font-weight: 700;
  white-space: nowrap;
}

.sheet-cta svg {
  width: calc(var(--u) * 19);
  height: calc(var(--u) * 19);
}

.feature {
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 900px) {
  .feature {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
  }

  .feature-reverse .feature-copy {
    order: 2;
  }
}

.feature-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 720px;
  margin-bottom: 36px;
}

.checks {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.checks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-muted);
}

.checks li + li {
  border-top: 1px solid var(--line-soft);
}

.checks li strong {
  color: var(--ink);
  display: block;
  font-size: 15px;
}

.checks .icon {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--ink);
}

.rank-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 16px 20px 8px;
  margin-top: 8px;
}

.rank-card h3 {
  font-size: 14px;
  color: var(--ink-faint);
  margin-bottom: 4px;
}

.rank {
  counter-reset: rank;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.rank li {
  counter-increment: rank;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  column-gap: 12px;
  align-items: center;
  padding: 10px 0;
  line-height: 1.45;
}

.rank li + li {
  border-top: 1px solid var(--line-soft);
}

.rank li::before {
  content: counter(rank);
  grid-row: span 2;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.rank strong {
  font-size: 15px;
}

.rank span {
  font-size: 14px;
  color: var(--ink-muted);
}

.note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-muted);
}

.note .icon {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  color: var(--violet);
}

.grid-cards {
  display: grid;
  gap: 12px;
}

@media (min-width: 640px) {
  .grid-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .grid-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.cat-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px 20px 20px;
}

.cat-art {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
  border-radius: 14px;
  background: var(--cs);
}

.cat-art .ph {
  aspect-ratio: 1;
  border-radius: 10px;
}

.cat-head {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 4px;
}

.cat-hint {
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink-faint);
}

.cat-card > p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-muted);
}

.cat-card > .cat-rule {
  margin-top: auto;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.cat-rule .icon {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  color: var(--c);
  stroke-width: 2.2;
}

.cat-stats {
  background: var(--hero-bg);
  color: var(--hero-ink);
  justify-content: flex-end;
  padding: 24px;
  min-height: 240px;
}

.cat-stats .h3 {
  color: var(--hero-ink);
  margin-top: auto;
}

.chip-stats {
  background: rgba(79, 209, 160, 0.16);
  color: var(--hero-up);
}

.cat-stats .stats-value {
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.04em;
  color: var(--hero-ink);
}

.cat-stats > p:last-child {
  color: var(--hero-muted);
}

.dialog-stage {
  position: relative;
  width: min(100%, 440px);
  margin-inline: auto;
  padding: clamp(40px, 9vw, 64px) clamp(18px, 5vw, 32px);
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 30px 70px var(--shadow), 0 0 0 1px var(--line-soft);
}

.dialog-ghost {
  position: absolute;
  inset: 0;
  padding: 22px;
  display: grid;
  gap: 12px;
  align-content: start;
  background: var(--paper);
}

.ghost-set {
  display: flex;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: var(--surface);
}

.ghost-set i {
  flex: none;
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: var(--line);
}

.ghost-set div {
  flex: 1;
  display: grid;
  gap: 8px;
  align-content: center;
}

.ghost-set span {
  height: 10px;
  border-radius: 999px;
  background: var(--line);
}

.ghost-set span + span {
  width: 60%;
}

.dialog-scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay);
}

.dialog {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  padding: 22px 20px 14px;
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.dialog-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-faint);
}

.dialog-tag .icon {
  width: 16px;
  height: 16px;
  color: var(--up);
}

.dialog-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.02em;
}

.dialog-thumbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 76px));
  gap: 8px;
}

.dialog-thumbs .ph {
  aspect-ratio: 1;
  border-radius: 10px;
}

.ph-more b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.38);
  color: #FFFFFF;
  font-size: 16px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

.dialog-actions span {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.dialog-actions span:last-child {
  background: var(--accent-soft);
}

.platforms {
  display: grid;
  gap: 12px;
  margin-top: 40px;
}

@media (min-width: 760px) {
  .platforms {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.platform {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.platform-os {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-faint);
}

.platform > p:not(.platform-os):not(.platform-tag) {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-muted);
}

.platform-tag {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--up-soft);
  color: var(--up);
  font-size: 13px;
  font-weight: 700;
}

.platform-tag .icon {
  width: 16px;
  height: 16px;
  stroke-width: 2.2;
}

.platform-warn {
  background: var(--warn-soft);
}

.platform-warn .platform-tag {
  background: var(--down-soft);
  color: var(--down);
}

.privacy-band {
  background: var(--hero-bg);
  color: var(--hero-ink);
  border-radius: 28px;
  padding: clamp(28px, 6vw, 64px);
  display: grid;
  gap: 40px;
}

@media (min-width: 900px) {
  .privacy-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }
}

.privacy-band .h2 {
  color: var(--hero-ink);
}

.privacy-band .kicker,
.privacy-band .lead {
  color: var(--hero-muted);
}

.flow {
  display: grid;
  gap: 12px;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.07);
}

.flow-node .icon {
  width: 26px;
  height: 26px;
  flex: none;
  color: var(--hero-ink);
}

.flow-node strong {
  display: block;
  font-size: 16px;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.flow-node span {
  display: block;
  font-size: 13px;
  color: var(--hero-muted);
  line-height: 1.5;
}

.flow-phone {
  background: rgba(127, 164, 255, 0.16);
}

.flow-phone .icon {
  color: var(--hero-accent);
}

.flow-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 30px;
  font-size: 12px;
  font-weight: 700;
  color: var(--hero-accent);
}

.flow-link::before {
  content: "";
  width: 2px;
  height: 28px;
  border-radius: 2px;
  background: linear-gradient(var(--hero-accent), rgba(127, 164, 255, 0.2));
}

.flow-none {
  border: 1.5px dashed rgba(255, 255, 255, 0.24);
  background: transparent;
}

.flow-none .icon {
  color: var(--hero-muted);
}

.flow-none strong {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: #FF6B5C;
}

.flow-none em {
  margin-left: auto;
  font-style: normal;
  font-size: 12px;
  font-weight: 700;
  color: #FF6B5C;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 107, 92, 0.14);
  white-space: nowrap;
}

.privacy-points {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
}

.privacy-points li {
  padding: 16px 0;
  border-top: 1px solid var(--hero-line);
  display: grid;
  gap: 4px;
}

.privacy-points strong {
  font-size: 16px;
  letter-spacing: -0.02em;
}

.privacy-points span {
  color: var(--hero-muted);
  font-size: 15px;
  line-height: 1.6;
}

.faq {
  margin-top: 32px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq details + details {
  border-top: 1px solid var(--line-soft);
}

.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
  line-height: 1.45;
}

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

.faq summary .icon {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--ink-faint);
  transition: transform 220ms ease;
}

.faq details[open] summary .icon {
  transform: rotate(180deg);
}

.faq .answer {
  padding: 0 20px 20px;
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.7;
  display: grid;
  gap: 10px;
}

.faq .answer a {
  color: var(--accent);
  font-weight: 700;
}

.cta {
  background: var(--surface);
  border-radius: 28px;
  padding: clamp(28px, 6vw, 56px);
  display: grid;
  gap: 20px;
  justify-items: start;
}

@media (min-width: 900px) {
  .cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

.cta .store-badge {
  background: var(--surface-alt);
}

.footer {
  padding-block: 40px 56px;
  color: var(--ink-muted);
  font-size: 14px;
}

.footer-top {
  display: grid;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .footer-top {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-brand p {
  max-width: 24em;
}

.footer-brand .brand-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.03em;
}

.footer-brand img {
  width: 28px;
  height: auto;
}

.footer h2 {
  font-size: 13px;
  color: var(--ink-faint);
  margin-bottom: 10px;
  letter-spacing: 0;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.footer a {
  text-decoration: none;
  color: var(--ink-muted);
}

.footer a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 20px;
  font-size: 13px;
  color: var(--ink-faint);
}

.doc-head {
  padding-top: 40px;
  padding-bottom: 20px;
  display: grid;
  gap: 14px;
}

@media (min-width: 900px) {
  .doc-head {
    padding-top: 64px;
  }
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 14px;
  color: var(--ink-faint);
}

.doc-meta .tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-muted);
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
}

.doc-meta a.tag:hover {
  color: var(--ink);
}

.doc-meta .tag-lang {
  background: var(--ink);
  color: var(--on-ink);
}

.doc-meta a.tag-lang:hover {
  color: var(--on-ink);
  opacity: 0.86;
}

.summary-grid {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

@media (min-width: 640px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.summary-item {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.summary-item .icon {
  flex: none;
  margin-top: 2px;
  color: var(--accent);
}

.summary-item strong {
  display: block;
  font-size: 15px;
  letter-spacing: -0.02em;
}

.summary-item span {
  display: block;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.55;
}

.toc {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin-top: 12px;
}

.toc h2 {
  font-size: 14px;
  color: var(--ink-faint);
  margin-bottom: 8px;
}

.toc ol {
  margin: 0;
  padding-left: 0;
  list-style: none;
  columns: 1;
  column-gap: 32px;
  font-size: 15px;
  line-height: 1.9;
}

@media (min-width: 720px) {
  .toc ol {
    columns: 2;
  }
}

.toc a {
  color: var(--ink-muted);
  text-decoration: none;
}

.toc a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.doc {
  display: grid;
  gap: 12px;
  padding-bottom: 24px;
}

.doc-section {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 32px);
  display: grid;
  gap: 14px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-muted);
}

.doc-section h2 {
  font-size: clamp(20px, 2.4vw, 23px);
  letter-spacing: -0.03em;
  line-height: 1.35;
}

.doc-section h3 {
  font-size: 17px;
  letter-spacing: -0.02em;
  margin-top: 6px;
}

.doc-section ul,
.doc-section ol {
  margin: 0;
  padding-left: 1.25em;
  display: grid;
  gap: 6px;
}

.doc-section li::marker {
  color: var(--ink-faint);
}

.doc-section a {
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.doc-section strong {
  color: var(--ink);
}

.callout {
  background: var(--accent-soft);
  color: var(--ink);
  border-radius: 14px;
  padding: 16px 18px;
  line-height: 1.65;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 14px;
  background: var(--surface-alt);
}

.table-wrap table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.55;
}

.table-wrap th,
.table-wrap td {
  text-align: left;
  vertical-align: top;
  padding: 12px 14px;
}

.table-wrap thead th {
  color: var(--ink-faint);
  font-size: 13px;
  font-weight: 700;
}

.table-wrap tbody tr {
  border-top: 1px solid var(--line);
}

.table-wrap code {
  white-space: nowrap;
  word-break: normal;
}

.table-wrap td:first-child {
  color: var(--ink);
  font-weight: 700;
  min-width: 132px;
}

.lang-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 40px;
  padding-bottom: 8px;
}

.lang-divider::before,
.lang-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

.lang-divider span {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-faint);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
}

.doc-section .steps {
  padding-left: 0;
  gap: 0;
}

.steps > li {
  counter-increment: step;
  position: relative;
  padding: 12px 0 12px 44px;
  border-top: 1px solid var(--line-soft);
}

.steps > li:first-child {
  border-top: 0;
}

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--on-ink);
  font-size: 13px;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-variant-numeric: tabular-nums;
}

.steps strong {
  display: block;
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  background: var(--ink);
  color: var(--on-ink);
  justify-self: start;
  align-self: flex-start;
}

.doc-section .button {
  color: var(--on-ink);
  text-decoration: none;
  word-break: normal;
}

.button .icon {
  width: 18px;
  height: 18px;
}

.button-light {
  background: var(--hero-ink);
  color: var(--hero-bg);
  margin-top: 4px;
}

.button-secondary {
  background: var(--surface);
  color: var(--ink);
}

.not-found {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: 64px;
}

.not-found .code {
  font-size: clamp(72px, 16vw, 128px);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1;
}

.not-found .code span:nth-child(1) {
  color: var(--violet);
}

.not-found .code span:nth-child(2) {
  color: var(--accent);
}

.not-found .code span:nth-child(3) {
  color: var(--spark);
}

.not-found-body {
  display: grid;
  gap: 14px;
  justify-items: center;
}

.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 8px;
}

.not-found-actions .button {
  align-self: auto;
}

@media print {
  .topbar,
  .footer,
  .skip-link {
    display: none;
  }

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

  .doc-section,
  .toc,
  .summary-item {
    background: #fff;
    padding: 0;
  }
}