:root {
  color-scheme: light;
  --ink: #171a16;
  --ink-soft: #3f463d;
  --muted: #687064;
  --paper: #ffffff;
  --canvas: #f5f7ef;
  --canvas-warm: #fbfaf5;
  --line: #dfe5d8;
  --lime: #b8f34a;
  --lime-strong: #86bd23;
  --lime-soft: #e9f9c8;
  --forest: #19372d;
  --forest-2: #0e2821;
  --amber: #f5c968;
  --shadow-sm: 0 12px 34px rgba(30, 47, 36, 0.08);
  --shadow-lg: 0 34px 90px rgba(21, 42, 31, 0.15);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 38px;
  --container: 1180px;
  --header-height: 78px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
button, select { font: inherit; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid #6da70d;
  outline-offset: 4px;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  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;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: white;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(214, 222, 205, 0.72);
  background: rgba(245, 247, 239, 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 26px;
}

.brand {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border: 1px solid #dceab9;
  border-radius: 14px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
  color: #41483e;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--lime-strong);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.language-picker {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 42px;
  padding: 0 8px 0 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
}

.language-picker select {
  max-width: 92px;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--paper);
  cursor: pointer;
}

.menu-button > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  border-radius: 4px;
  background: var(--ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button[aria-expanded="true"] > span:nth-of-type(2) { transform: translateY(6px) rotate(45deg); }
.menu-button[aria-expanded="true"] > span:nth-of-type(3) { opacity: 0; }
.menu-button[aria-expanded="true"] > span:nth-of-type(4) { transform: translateY(-6px) rotate(-45deg); }

.button {
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 24px;
  border: 1px solid #8dc829;
  border-radius: 16px;
  background: var(--lime);
  box-shadow: 0 10px 24px rgba(110, 151, 37, 0.18);
  color: #11150f;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  background: #c7fa67;
  box-shadow: 0 14px 30px rgba(110, 151, 37, 0.25);
  transform: translateY(-2px);
}

.button-compact { min-height: 42px; padding: 0 16px; border-radius: 999px; font-size: 13px; }
.button-dark { border-color: var(--ink); background: var(--ink); color: white; box-shadow: none; }
.button-dark:hover { background: #2d332b; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  border-bottom: 2px solid #a6d44d;
  font-weight: 850;
  text-decoration: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 70px 0 82px;
  background:
    radial-gradient(circle at 82% 32%, rgba(184, 243, 74, 0.24), transparent 31%),
    linear-gradient(180deg, #f8f9f3 0%, var(--canvas) 100%);
}

.hero::before {
  position: absolute;
  top: 25px;
  left: -100px;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(127, 161, 69, 0.14);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
}

.hero-copy { min-width: 0; }

.release-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 4px 11px;
  border: 1px solid #d3e4b0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: #53604e;
  font-size: 12px;
}

.release-badge strong { color: #45660c; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #75b014; box-shadow: 0 0 0 4px #e8f5cf; }

.eyebrow {
  margin: 23px 0 14px;
  color: #67892d;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(44px, 5.25vw, 76px);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 1.05;
}

.hero h1 span, .hero h1 strong { display: block; }
.hero h1 strong { color: #658f20; font-weight: 920; }

.hero-lead {
  max-width: 620px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.75;
}

.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 29px 0 0;
  padding: 0;
  color: #576154;
  font-size: 13px;
  list-style: none;
}

.hero-facts li { display: flex; align-items: center; gap: 4px; }
.hero-facts li::before { color: #7ca826; content: "✓"; font-weight: 900; }

.hero-visual {
  position: relative;
  min-width: 0;
  min-height: 670px;
}

.visual-glow {
  position: absolute;
  inset: 7% 0 3% 8%;
  border-radius: 50%;
  background: radial-gradient(circle, #e8f8bf 0%, #eff5da 49%, rgba(239, 245, 218, 0) 72%);
}

.phone-frame {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 50%;
  width: min(332px, 72%);
  padding: 10px;
  border: 7px solid #20251f;
  border-radius: 43px;
  background: #20251f;
  box-shadow: var(--shadow-lg);
  transform: translateX(-50%) rotate(1.8deg);
}

.phone-frame::after {
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 31px;
  content: "";
  pointer-events: none;
}

.phone-frame img { display: block; width: 100%; height: auto; border-radius: 31px; }
.phone-speaker { position: absolute; z-index: 3; top: 15px; left: 50%; width: 82px; height: 20px; border-radius: 20px; background: #181b18; transform: translateX(-50%); }

.floating-card {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 11px;
  width: min(235px, 50%);
  padding: 13px;
  border: 1px solid rgba(217, 225, 208, 0.9);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.93);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}

.floating-card-top { top: 125px; right: 0; }
.floating-card-bottom { bottom: 95px; left: 0; }
.floating-icon { display: grid; flex: none; width: 34px; height: 34px; place-items: center; border-radius: 11px; background: var(--lime-soft); color: #537d12; font-weight: 900; }
.floating-icon-lock { background: #e5f3ee; color: #1b6a54; }
.floating-card span:last-child { display: flex; min-width: 0; flex-direction: column; line-height: 1.35; }
.floating-card strong { font-size: 12px; }
.floating-card small { margin-top: 3px; color: var(--muted); font-size: 10px; }

.privacy-notice { border-block: 1px solid #dbe5ca; background: #eef6df; }
.notice-inner { display: flex; align-items: center; gap: 14px; min-height: 78px; padding-block: 13px; }
.notice-icon { display: grid; flex: none; width: 30px; height: 30px; place-items: center; border: 1px solid #a8c57a; border-radius: 50%; color: #527914; font-family: Georgia, serif; font-weight: 900; }
.notice-inner p { flex: 1; margin: 0; color: #4d5749; font-size: 13px; }
.notice-inner p strong { margin-right: 5px; color: #263220; }
.notice-inner a { flex: none; color: #3d6500; font-size: 13px; font-weight: 850; }

.section { padding: clamp(82px, 9vw, 126px) 0; }
.section-heading { max-width: 760px; margin: 0 auto 52px; text-align: center; }
.section-heading-left { max-width: 780px; margin-inline: 0; text-align: left; }
.section-heading .eyebrow, .section-heading-left .eyebrow { margin-top: 0; }
.section h2, .final-cta h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  letter-spacing: -0.052em;
  line-height: 1.15;
}
.section-heading > p:last-child, .privacy-copy > p, .model-copy > p, .support-copy > p {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.product-section { background: var(--canvas-warm); }
.screenshot-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: end; gap: 18px; }
.screen-card { min-width: 0; margin: 0; }
.screen-card img { display: block; width: 100%; height: auto; border: 1px solid #d9ded4; border-radius: 27px; background: white; box-shadow: 0 20px 50px rgba(34, 48, 38, 0.1); }
.screen-card figcaption { display: flex; flex-direction: column; gap: 3px; padding: 14px 5px 0; }
.screen-card figcaption strong { font-size: 14px; }
.screen-card figcaption span { color: var(--muted); font-size: 12px; }
.swipe-hint { display: none; margin: 17px 0 0; color: var(--muted); font-size: 12px; text-align: center; }

.capability-section { background: var(--paper); }
.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.capability-card { min-width: 0; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #f9faf5; }
.capability-number { display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 26px; border-radius: 999px; background: var(--lime-soft); color: #537d12; font-size: 11px; font-weight: 900; }
.capability-card h3 { margin: 27px 0 11px; font-size: 21px; letter-spacing: -0.025em; }
.capability-card p { margin: 0; color: var(--muted); font-size: 14px; }

.mascot-break { position: relative; z-index: 3; display: grid; height: 0; place-items: center; }
.mascot-break span {
  display: grid;
  width: 136px;
  height: 136px;
  padding: 11px;
  place-items: center;
  border: 1px solid rgba(96, 132, 34, 0.2);
  border-radius: 40px;
  background: linear-gradient(145deg, #f4ffd9, #dfffaa);
  box-shadow: 0 22px 50px rgba(24, 48, 28, 0.2);
  transform: translateY(-50%) rotate(-2.5deg);
}
.mascot-break img { display: block; width: 100%; height: 100%; border-radius: 29px; }

.privacy-section { overflow: hidden; background: var(--forest); color: white; }
.privacy-grid { display: grid; grid-template-columns: minmax(0, 0.83fr) minmax(0, 1.17fr); align-items: center; gap: clamp(48px, 8vw, 110px); }
.privacy-copy .eyebrow { margin-top: 0; color: #bde47a; }
.privacy-copy > p { color: #b9c7bf; }
.light-link { margin-top: 28px; border-color: #87b93e; color: white; }
.boundary-list { border-top: 1px solid rgba(255, 255, 255, 0.16); }
.boundary-list article { display: grid; grid-template-columns: 105px minmax(0, 1fr); gap: 20px; padding: 28px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.16); }
.boundary-state { display: inline-flex; width: max-content; height: 27px; align-items: center; padding: 0 9px; border-radius: 999px; font-size: 9px; font-weight: 900; letter-spacing: 0.08em; }
.boundary-local { background: #dff4b9; color: #315300; }
.boundary-choice { background: #f8dd9d; color: #704b00; }
.boundary-list h3 { margin: 0; font-size: 17px; }
.boundary-list p { margin: 6px 0 0; color: #afbeb5; font-size: 13px; }

.models-section { background: #edf1e7; }
.model-layout { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr); align-items: center; gap: clamp(48px, 9vw, 120px); }
.model-copy .eyebrow { margin-top: 0; }
.model-scale { overflow: hidden; border: 1px solid #d6dfce; border-radius: 28px; background: rgba(255, 255, 255, 0.72); box-shadow: var(--shadow-sm); }
.model-row { display: grid; grid-template-columns: 68px minmax(0, 1fr) minmax(100px, 160px); align-items: center; gap: 18px; padding: 25px 28px; }
.model-row + .model-row { border-top: 1px solid #dce3d6; }
.model-size { display: grid; width: 55px; height: 55px; place-items: center; border-radius: 17px; background: var(--ink); color: white; font-weight: 900; }
.model-row div { display: flex; min-width: 0; flex-direction: column; }
.model-row small { margin-top: 4px; color: var(--muted); }
.model-meter { height: 8px; overflow: hidden; border-radius: 999px; background: #e3e8de; }
.model-meter i { display: block; width: var(--meter); height: 100%; border-radius: inherit; background: linear-gradient(90deg, #8bc326, var(--lime)); }

.ios-soon { display: flex; align-items: center; gap: 14px; margin-top: 18px; padding: 16px 20px; border: 1px solid #cfe6a3; border-radius: var(--radius-md); background: var(--lime-soft); }
.ios-soon-badge { display: grid; flex: none; width: 40px; height: 40px; place-items: center; border-radius: 12px; background: var(--paper); border: 1px solid #cfe6a3; font-size: 20px; line-height: 1; }
.ios-soon-text { display: flex; min-width: 0; flex-direction: column; gap: 2px; }
.ios-soon-text strong { font-size: 15px; letter-spacing: -0.02em; }
.ios-soon-text span { font-size: 13px; color: var(--muted); }
.ios-soon-tag { margin-left: auto; flex: none; padding: 5px 12px; border-radius: 999px; background: var(--lime-strong); color: var(--forest); font-size: 11px; font-weight: 800; letter-spacing: 0.04em; }

.install-section { background: var(--canvas-warm); }
.install-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; counter-reset: install; }
.install-grid li { display: flex; min-width: 0; gap: 17px; padding: 27px; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; }
.install-grid li > span { display: grid; flex: none; width: 36px; height: 36px; place-items: center; border-radius: 50%; background: var(--lime); font-weight: 900; }
.install-grid h3 { margin: 2px 0 8px; font-size: 17px; }
.install-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.release-panel { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 42px; margin-top: 34px; padding: clamp(28px, 4vw, 48px); border-radius: 30px; background: var(--forest-2); color: white; }
.release-label { color: #bde47a; font-size: 11px; font-weight: 900; letter-spacing: 0.12em; }
.release-summary h3 { margin: 8px 0 4px; font-size: 31px; letter-spacing: -0.04em; }
.release-summary > p { margin: 0; color: #aabbb2; font-size: 13px; }
.release-summary code { color: #d8e5de; }
.release-links { display: flex; align-items: center; gap: 20px; margin-top: 26px; }
.release-links .button { min-height: 48px; padding-inline: 18px; font-size: 13px; }
.release-links .text-link { border-color: #789e36; color: white; font-size: 13px; }
.integrity-list { min-width: 0; margin: 0; }
.integrity-list div { min-width: 0; padding: 15px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.14); }
.integrity-list div:first-child { padding-top: 0; }
.integrity-list dt { margin-bottom: 7px; color: #aabbb2; font-size: 11px; font-weight: 800; }
.integrity-list dd { min-width: 0; margin: 0; }
.integrity-list code { display: block; overflow-wrap: anywhere; color: #dbe7e0; font-size: 10px; line-height: 1.55; }
.upgrade-note { margin-top: 18px; padding: 19px 23px; border: 1px solid #ecd69c; border-radius: 16px; background: #fff7df; }
.upgrade-note strong { display: block; color: #5d4509; font-size: 14px; }
.upgrade-note p { margin: 5px 0 0; color: #7b672f; font-size: 12px; }

.support-section { background: var(--paper); }
.support-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(50px, 9vw, 120px); }
.support-copy .eyebrow { margin-top: 0; }
.support-links { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.support-links a { padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; color: #3c4938; font-size: 12px; font-weight: 800; text-decoration: none; }
.support-links a:hover { border-color: #a9ca70; background: var(--lime-soft); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 23px 42px 23px 0; font-weight: 850; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 21px; right: 5px; width: 25px; height: 25px; color: #5d7c28; content: "+"; font-size: 21px; line-height: 1; text-align: center; transition: transform 180ms ease; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list p { margin: -5px 42px 22px 0; color: var(--muted); font-size: 14px; }

.final-cta { padding: 58px 0; background: var(--lime); }
.final-cta-inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 25px; }
.final-cta img { width: 78px; height: 78px; border: 1px solid rgba(62, 85, 24, 0.15); border-radius: 24px; }
.final-cta .eyebrow { margin: 0 0 5px; color: #405b11; }
.final-cta h2 { font-size: clamp(27px, 3.2vw, 43px); }

.site-footer { padding: 48px 0 34px; background: #161b16; color: white; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 30px; }
.footer-brand .brand { color: white; }
.footer-brand .brand img { border-color: #44523c; }
.footer-brand > p { margin: 12px 0 0; color: #9fa99c; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 21px; }
.footer-links a { color: #c8d0c5; font-size: 12px; font-weight: 700; text-decoration: none; }
.footer-links a:hover { color: white; text-decoration: underline; }
.copyright { grid-column: 1 / -1; margin: 28px 0 0; padding-top: 20px; border-top: 1px solid #323a31; color: #818c7e; font-size: 11px; }

.site-nav a.is-current { color: #3d6500; }
.site-nav a.is-current::after { transform: scaleX(1); }

/* ---------------------------------------------------------------------------
   사용법 가이드 (guide/index.html)
--------------------------------------------------------------------------- */
.guide-hero {
  padding: 62px 0 40px;
  background:
    radial-gradient(circle at 84% 20%, rgba(184, 243, 74, 0.22), transparent 34%),
    linear-gradient(180deg, #f8f9f3 0%, var(--canvas) 100%);
}
.guide-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 12px;
  border: 1px solid #d3e4b0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: #45660c;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
}
.guide-hero h1 {
  max-width: 760px;
  margin: 20px 0 0;
  font-size: clamp(34px, 4.6vw, 60px);
  font-weight: 780;
  letter-spacing: -0.055em;
  line-height: 1.08;
}
.guide-lead {
  max-width: 660px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.7;
}
.guide-toc { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.guide-toc a {
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: #3c4938;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}
.guide-toc a:hover { border-color: #a9ca70; background: var(--lime-soft); transform: translateY(-1px); }

.guide-steps { padding: clamp(40px, 6vw, 72px) 0 20px; }
.guide-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(30px, 4vw, 46px) 0;
  scroll-margin-top: calc(var(--header-height) + 16px);
}
.guide-step + .guide-step { border-top: 1px solid var(--line); }
.guide-step:nth-child(even) .sketch { order: 2; }

.sketch {
  margin: 0;
  padding: clamp(16px, 3vw, 30px);
  border: 1px solid #dde6ce;
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 18% 12%, rgba(184, 243, 74, 0.1), transparent 42%),
    repeating-linear-gradient(0deg, #fbfcf6, #fbfcf6 27px, #f2f5ea 28px);
  box-shadow: var(--shadow-sm);
}
.sketch svg { display: block; width: 100%; height: auto; }

.guide-kicker { margin: 0 0 10px; color: #67892d; font-size: 12px; font-weight: 900; letter-spacing: 0.13em; }
.guide-step h2 { margin: 0; font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.04em; line-height: 1.2; }
.guide-step-lead { margin: 14px 0 20px; color: var(--muted); font-size: 15px; }
.guide-list { margin: 0; padding: 0; list-style: none; counter-reset: guide; }
.guide-list li {
  position: relative;
  min-height: 30px;
  margin-bottom: 14px;
  padding: 2px 0 0 44px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.6;
  counter-increment: guide;
}
.guide-list li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1.5px solid #20251f;
  border-radius: 50%;
  background: var(--lime);
  color: #20251f;
  font-size: 14px;
  font-weight: 900;
  content: counter(guide);
}

.guide-outro { padding: clamp(44px, 6vw, 70px) 0; background: var(--lime); }
.guide-outro-inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 26px; }
.guide-outro img { width: 76px; height: 76px; border: 1px solid rgba(62, 85, 24, 0.16); border-radius: 22px; }
.guide-outro h2 { margin: 0; font-size: clamp(24px, 3vw, 36px); letter-spacing: -0.04em; }
.guide-outro p { margin: 8px 0 0; color: #35480f; font-size: 15px; }
.guide-outro-actions { display: flex; align-items: center; gap: 18px; }
.guide-outro-actions .text-link { border-color: #4d6b16; }

.guide-note { max-width: 760px; margin: 26px auto 60px; color: var(--muted); font-size: 12px; text-align: center; }

@media (max-width: 860px) {
  .guide-step { grid-template-columns: 1fr; gap: 26px; }
  .guide-step:nth-child(even) .sketch { order: 0; }
  .sketch { max-width: 460px; }
  .guide-outro-inner { grid-template-columns: 64px minmax(0, 1fr); }
  .guide-outro-actions { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .guide-hero { padding: 40px 0 30px; }
  .guide-toc a { font-size: 12px; padding: 8px 12px; }
  .guide-outro-inner { grid-template-columns: 56px minmax(0, 1fr); gap: 16px; }
  .guide-outro img { width: 56px; height: 56px; border-radius: 16px; }
  .guide-outro-actions { flex-direction: column; align-items: stretch; gap: 11px; margin-top: 6px; }
  .guide-outro-actions .button { width: 100%; }
  .guide-list li { padding-left: 40px; font-size: 14px; }
  .guide-list li::before { width: 27px; height: 27px; font-size: 13px; }
}

@media (max-width: 1060px) {
  .site-nav { gap: 16px; }
  .site-nav a { font-size: 13px; }
  .header-download { display: none; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(330px, 0.8fr); gap: 38px; }
  .hero-visual { min-height: 610px; }
  .phone-frame { width: min(292px, 72%); }
  .floating-card { width: min(215px, 52%); }
}

@media (max-width: 860px) {
  :root { --header-height: 70px; }
  .container { width: min(var(--container), calc(100% - 36px)); }
  .menu-button { display: block; }
  .header-inner { gap: 10px; }
  .header-actions { margin-left: 0; }
  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 18px;
    left: 18px;
    display: grid;
    gap: 0;
    margin: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }
  .site-nav[data-open="true"] { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav a { padding: 12px 14px; border-radius: 10px; }
  .site-nav a:hover { background: #f1f6e9; }
  .site-nav a::after { display: none; }
  .hero { padding-top: 54px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 700px; }
  .hero-visual { width: min(100%, 620px); min-height: 640px; margin-inline: auto; }
  .phone-frame { width: min(310px, 58%); }
  .floating-card { width: min(230px, 43%); }
  .screenshot-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 18px; }
  .capability-grid, .install-grid { grid-template-columns: 1fr; }
  .capability-card { padding: 28px; }
  .privacy-grid, .model-layout, .support-grid, .release-panel { grid-template-columns: 1fr; }
  .privacy-grid, .model-layout, .support-grid { gap: 44px; }
  .release-panel { gap: 34px; }
}

@media (max-width: 560px) {
  :root { --radius-md: 20px; }
  .container { width: min(100% - 32px, var(--container)); }
  .brand { font-size: 22px; }
  .brand img { width: 40px; height: 40px; border-radius: 12px; }
  .language-picker { height: 40px; padding-left: 8px; }
  .language-picker > span[aria-hidden="true"] { display: none; }
  .language-picker select { width: 70px; max-width: 70px; }
  .hero { padding: 42px 0 54px; }
  .hero::before { display: none; }
  .release-badge { max-width: 100%; flex-wrap: wrap; }
  .eyebrow { font-size: 10px; letter-spacing: 0.1em; }
  .hero h1 { font-size: clamp(39px, 12vw, 55px); }
  .hero-lead { margin-top: 21px; font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 11px; margin-top: 28px; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { align-self: center; }
  .hero-facts { display: grid; gap: 8px; margin-top: 24px; }
  .hero-visual { min-height: 590px; margin-top: 5px; }
  .phone-frame { width: min(285px, 79%); border-width: 6px; border-radius: 38px; transform: translateX(-50%); }
  .phone-frame img { border-radius: 27px; }
  .floating-card { width: min(192px, 53%); padding: 10px; }
  .floating-card-top { top: 75px; right: -3px; }
  .floating-card-bottom { bottom: 64px; left: -3px; }
  .floating-card small { display: none; }
  .floating-icon { width: 30px; height: 30px; }
  .notice-inner { align-items: flex-start; flex-wrap: wrap; gap: 10px; padding-block: 16px; }
  .notice-inner p { flex: 1 1 calc(100% - 44px); }
  .notice-inner a { margin-left: 44px; }
  .section { padding: 74px 0; }
  .section-heading { margin-bottom: 37px; text-align: left; }
  .section h2 { font-size: clamp(31px, 9.3vw, 43px); }
  .section-heading > p:last-child, .privacy-copy > p, .model-copy > p, .support-copy > p { font-size: 15px; }
  .ios-soon { flex-wrap: wrap; }
  .ios-soon-tag { margin-left: 52px; }
  .screenshot-strip {
    display: flex;
    width: 100%;
    align-items: flex-start;
    gap: 14px;
    overflow-x: auto;
    padding: 8px 0 22px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    overscroll-behavior-inline: contain;
  }
  .screenshot-strip::-webkit-scrollbar { display: none; }
  .screen-card { flex: 0 0 min(75vw, 280px); scroll-snap-align: start; }
  .screen-card img { border-radius: 22px; }
  .swipe-hint { display: block; }
  .capability-card { padding: 25px; }
  .mascot-break span { width: 104px; height: 104px; padding: 8px; border-radius: 31px; }
  .mascot-break img { border-radius: 23px; }
  .privacy-grid { gap: 38px; }
  .boundary-list article { grid-template-columns: 1fr; gap: 12px; padding: 23px 0; }
  .model-row { grid-template-columns: 52px minmax(0, 1fr); gap: 14px; padding: 20px; }
  .model-size { width: 48px; height: 48px; border-radius: 14px; font-size: 13px; }
  .model-meter { grid-column: 1 / -1; }
  .install-grid li { padding: 22px; }
  .release-panel { margin-top: 25px; padding: 25px 21px; border-radius: 23px; }
  .release-summary h3 { font-size: 27px; }
  .release-links { align-items: stretch; flex-direction: column; gap: 12px; }
  .release-links .button { width: 100%; }
  .release-links .text-link { align-self: flex-start; }
  .upgrade-note { padding: 17px; }
  .faq-list summary { padding-right: 35px; }
  .faq-list p { margin-right: 15px; }
  .final-cta { padding: 44px 0; }
  .final-cta-inner { grid-template-columns: 60px minmax(0, 1fr); gap: 17px; }
  .final-cta img { width: 60px; height: 60px; border-radius: 18px; }
  .final-cta h2 { font-size: 26px; }
  .final-cta .button { grid-column: 1 / -1; width: 100%; margin-top: 8px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .copyright { grid-column: auto; margin-top: 0; }
}

@media (max-width: 370px) {
  .container { width: min(100% - 24px, var(--container)); }
  .brand span { font-size: 20px; }
  .header-inner { gap: 7px; }
  .menu-button { width: 40px; height: 40px; }
  .language-picker select { width: 64px; }
  .hero h1 { font-size: 38px; }
  .hero-visual { min-height: 560px; }
  .phone-frame { width: 270px; max-width: 82%; }
  .floating-card { width: 175px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

@media (prefers-contrast: more) {
  :root { --muted: #4f574d; --line: #aeb9aa; }
  .button { border-width: 2px; }
}

/* APK 다운로드 QR — release-links 내 배치 */
.release-qr {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.release-qr img {
  width: 132px;
  height: 132px;
  border-radius: 14px;
  border: 1px solid rgba(32, 37, 31, 0.14);
  background: #ffffff;
}
.release-qr figcaption {
  font-size: 0.76rem;
  color: #5a6157;
  text-align: center;
}