:root {
  color-scheme: dark;
  --bg: #111317;
  --text: #f3eee6;
  --muted: #a9a49c;
  --accent: #f5a524;
  --line: #2d2e30;
  --nav-height: 80px;
  --video-height: 40svh;
  --chapter-height: 100svh;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--text);
  background: var(--bg);
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--accent); color: var(--bg); }
.icon-library { position: absolute; pointer-events: none; }
.icon { width: 20px; height: 20px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.wrap, .footer { width: min(1360px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 4; padding: 12px 18px; background: var(--accent); color: var(--bg); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.nav-sentinel { position: absolute; top: 0; width: 1px; height: 1px; }
.landing-nav { position: fixed; inset: 0 0 auto; z-index: 3; border-bottom: 1px solid transparent; }
.landing-nav.is-scrolled { background: rgb(17 19 23 / 88%); border-color: rgb(243 238 230 / 6%); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.landing-nav__inner { width: min(1440px, calc(100% - 80px)); margin-inline: auto; height: var(--nav-height); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 700; color: var(--accent); white-space: nowrap; }
.brand img { border-radius: 12px; }
.nav-links { display: flex; gap: 36px; font-size: 14px; color: #d1cbc2; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; }
.download-link { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 44px; padding: 10px 22px; border-radius: 999px; background: var(--accent); color: var(--bg); font-size: 13px; font-weight: 700; white-space: nowrap; }
.download-link span { font-size: 22px; line-height: 1; }
.story { position: relative; display: grid; grid-template-columns: 48% 52%; align-items: start; }
.story__copy { grid-column: 1; grid-row: 1; min-width: 0; }
.chapter { position: relative; isolation: isolate; display: flex; align-items: center; min-height: 100svh; padding: 112px 0 72px; }
.chapter::before, .cta::before { content: ""; position: absolute; z-index: -1; pointer-events: none; top: 12%; left: -35px; width: min(420px, 100%); height: 420px; background: radial-gradient(ellipse, rgb(245 165 36 / 6%), transparent 68%); }
.chapter__copy { width: 100%; padding-right: 22px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 25px; font-size: 13px; line-height: 1.7; font-weight: 500; color: var(--accent); word-break: keep-all; }
.eyebrow .icon { fill: currentColor; stroke: none; width: 18px; height: 18px; }
h1, h2 { margin: 0; font-family: "Gothic A1", sans-serif; font-weight: 800; letter-spacing: -.065em; line-height: 1.32; word-break: keep-all; overflow-wrap: anywhere; }
h1 { font-size: clamp(42px, 4.4vw, 64px); }
h2 { font-size: clamp(30px, 3vw, 44px); }
h1 > span, h2 > span { display: block; }
.accent { color: var(--accent); font-style: normal; }
.description { max-width: 450px; margin: 25px 0 0; color: var(--muted); font-size: 16px; line-height: 1.95; word-break: keep-all; overflow-wrap: anywhere; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; padding: 0; list-style: none; }
.chips li { display: inline-flex; align-items: center; gap: 7px; padding: 9px 13px; border-radius: 999px; background: #202226; color: #d9d2c8; font-size: 12px; white-space: nowrap; }
.chips .icon { width: 16px; height: 16px; color: var(--accent); }
.store-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.store-button { display: inline-flex; align-items: center; gap: 12px; min-height: 66px; padding: 12px 21px; border: 1px solid #343434; border-radius: 13px; background: #050505; color: var(--text); white-space: nowrap; }
.store-button .icon { width: 27px; height: 27px; }
.store-button span { display: grid; gap: 3px; }
.store-button small { font-size: 10px; line-height: 1.3; }
.store-button strong { font-size: 15px; font-weight: 500; line-height: 1.4; }
.paw-watermark { position: absolute; z-index: -1; right: 12%; bottom: 9%; width: 115px; height: 115px; fill: var(--text); opacity: .045; transform: rotate(-23deg); pointer-events: none; }
.chapter:nth-child(even) .paw-watermark { right: 4%; top: 13%; bottom: auto; transform: rotate(25deg); width: 76px; height: 76px; }
.video-panel { position: relative; grid-column: 2; grid-row: 1; display: grid; place-items: center; height: 100svh; min-width: 0; pointer-events: none; }
/* 영상 속 폰이 커질 때 양옆이 잘리지 않도록 정사각형으로 넓게 잡는다 */
.video-scene { position: relative; width: min(100%, 72svh); aspect-ratio: 1; max-height: 72svh; overflow: hidden; }
@media (min-width: 1024px) {
  /* 큰 화면에서만 영상을 조금 내려, 위쪽 메모와 자리를 나눕니다. */
  .video-scene { margin-top: calc(var(--nav-height) / 2); }
}
.video-poster, .story-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.story-video { visibility: hidden; }
.has-motion .story-video.is-ready { visibility: visible; }
/* 네 변을 배경색으로 덮어 영상과 페이지의 경계를 부드럽게 잇습니다. */
.video-scene::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to right, var(--bg), transparent 15%, transparent 85%, var(--bg)), linear-gradient(to bottom, var(--bg), transparent 15%, transparent 85%, var(--bg)); }
/* 메모는 고정된 메뉴 바로 아래, 오른쪽 위에 둡니다. */
.story-notes { position: absolute; top: calc(var(--nav-height) + 8px); right: 0; width: min(250px, 65%); text-align: right; }
.handwritten-note { position: absolute; inset: 0 0 auto; margin: 0; color: var(--accent); font-size: 16px; font-weight: 500; font-style: italic; line-height: 1.8; word-break: keep-all; transform: rotate(-4deg); opacity: 0; }
.handwritten-note.is-active { opacity: 1; }
.note-arrow { display: block; width: 80px; height: 48px; margin: 4px 24px 0 auto; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.has-motion .video-panel { position: sticky; top: 0; }
.has-motion .chapter { min-height: var(--chapter-height); }
#top, #features, #cta { scroll-margin-top: var(--nav-height); }
#top { scroll-margin-top: 0; }
.cta { position: relative; isolation: isolate; padding-block: 140px 150px; text-align: center; }
.cta::before { top: 0; left: 50%; transform: translateX(-50%); }
.cta .eyebrow, .cta .store-buttons { justify-content: center; }
.cta h2 { font-size: clamp(32px, 4vw, 56px); line-height: 1.4; }
.cta .description { max-width: 520px; margin-inline: auto; }
.cta .paw-watermark { left: 7%; top: 18%; width: 140px; height: 140px; }
.footer { padding: 40px 0 28px; border-top: 1px solid var(--line); }
.footer__top { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; }
.footer__logo { color: var(--accent); font-size: 21px; font-weight: 700; }
.footer__cs { margin-top: 10px; font-size: 13px; color: var(--muted); }
.footer__biz { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 14px; font-style: normal; font-size: 12px; line-height: 1.8; color: var(--muted); max-width: 640px; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 13px; color: #cec7bd; }
.footer a { display: inline-flex; align-items: center; min-height: 36px; }
.footer__cr { margin-top: 40px; font-size: 12px; line-height: 1.8; color: var(--muted); }
@media (hover: hover) {
  .nav-links a:hover, .footer a:hover { color: var(--accent); }
  .store-button:hover { border-color: var(--accent); background: #1e1a13; }
  .download-link:hover { background: #ffba45; }
}
@media (prefers-reduced-motion: no-preference) {
  .store-button, .download-link { transition: background .2s, border-color .2s, transform .2s; }
  .store-button:active, .download-link:active { transform: scale(.97); }
}
@media (max-width: 1023px) {
  :root { --nav-height: calc(68px + env(safe-area-inset-top, 0px)); --video-height: 46svh; }
  .wrap, .footer { width: auto; margin-left: max(20px, env(safe-area-inset-left, 0px)); margin-right: max(20px, env(safe-area-inset-right, 0px)); }
  .landing-nav__inner { width: auto; margin-left: max(16px, env(safe-area-inset-left, 0px)); margin-right: max(16px, env(safe-area-inset-right, 0px)); padding-top: env(safe-area-inset-top, 0px); gap: 12px; }
  .brand { min-height: 44px; font-size: 18px; gap: 8px; }
  .nav-links { display: none; }
  .download-link { padding: 9px 14px; gap: 10px; font-size: 12px; }
  .story { display: block; }
  .video-panel { height: var(--video-height); margin-top: var(--nav-height); padding-bottom: 0; }
  .video-scene { width: 100%; height: 100%; max-height: none; aspect-ratio: auto; }
  /* 가운데 폰을 크게 보여주고, 사방 가장자리를 배경색으로 부드럽게 잇습니다. */
  .video-poster, .story-video { object-fit: cover; object-position: center; }
  .video-scene::after { background: linear-gradient(to right, var(--bg), transparent 12%, transparent 88%, var(--bg)), linear-gradient(to bottom, var(--bg), transparent 8%, transparent 86%, var(--bg)); }
  .story-notes { display: none; }
  .chapter, .has-motion .chapter { min-height: auto; padding: 16px 0 40px; }
  .chapter__copy { max-width: 600px; margin-inline: auto; padding: 0; }
  h1 { font-size: clamp(32px, 6.5vw, 54px); line-height: 1.24; }
  h2 { font-size: clamp(27px, 5.1vw, 42px); }
  .eyebrow { gap: 7px; margin-bottom: 12px; font-size: 12px; }
  .description { max-width: 520px; margin-top: 14px; font-size: 15px; line-height: 1.7; }
  .chips { gap: 6px; margin-top: 14px; }
  .chips li { padding: 8px 10px; gap: 5px; font-size: 12px; }
  .chips .icon { width: 14px; height: 14px; }
  .store-buttons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; max-width: 420px; gap: 8px; margin-top: 16px; }
  .store-button { min-width: 0; min-height: 56px; padding: 8px; gap: 7px; justify-content: center; }
  .store-button strong { font-size: 13px; }
  .store-button .icon { width: 23px; height: 23px; }
  .hero, .has-motion .hero { padding-top: 12px; }
  .hero .eyebrow { margin-bottom: 8px; }
  .hero .description, .hero .chips { margin-top: 10px; }
  .hero .store-buttons { margin-top: 12px; }
  .has-motion .story { display: grid; grid-template-columns: minmax(0, 1fr); }
  .has-motion .video-panel { grid-area: 1 / 1; top: var(--nav-height); z-index: 2; margin: var(--nav-height) 0 0; background: var(--bg); }
  /* 영상 자리의 여백은 첫 글 앞에만 넣어, 글 사이가 크게 벌어지지 않게 합니다. */
  .has-motion .story__copy { grid-area: 1 / 1; padding-top: calc(var(--nav-height) + var(--video-height)); }
  .has-motion #top, .has-motion #features { scroll-margin-top: calc(var(--nav-height) + var(--video-height)); }
  .chapter::before { top: 36%; left: -20px; }
  .cta { padding-block: 90px 100px; }
  .cta .store-buttons { margin-inline: auto; }
  .cta h2 { font-size: clamp(28px, 5.2vw, 42px); }
  .cta .paw-watermark { width: 80px; height: 80px; top: 4%; }
  .footer__top { flex-direction: column; gap: 24px; }
  .footer__links { gap: 6px 20px; font-size: 12px; }
  .footer { padding-bottom: max(28px, env(safe-area-inset-bottom, 0px)); }
  .footer__biz { word-break: keep-all; }
  .footer a { min-height: 44px; }
  .footer__cr { margin-top: 28px; font-size: 11px; }
  @media (max-height: 500px) {
    /* 높이가 낮은 화면에서는 영상도 함께 올라가야 글을 가리지 않습니다. */
    :root { --video-height: 60svh; }
    .has-motion .story { display: block; }
    .has-motion .video-panel { position: relative; top: auto; }
    .has-motion .story__copy { padding-top: 0; }
    .has-motion #top, .has-motion #features { scroll-margin-top: var(--nav-height); }
  }
}
@media (prefers-reduced-motion: reduce) {
  .story-video { visibility: hidden !important; }
  .chapter__copy { opacity: 1 !important; transform: none !important; }
}
@media (prefers-reduced-transparency: reduce) {
  .landing-nav.is-scrolled { background: var(--bg); backdrop-filter: none; -webkit-backdrop-filter: none; }
}