/* Owlight 소개 사이트 스타일. 색은 앱 프로젝트 랜딩 키트의 기본-정보.md(앱 Theme과 같음)에서 가져왔다. 페이지 안에 색 코드를 직접 넣지 않는다. */
[hidden]{display:none!important}
img{max-width:100%;height:auto}
.nw{white-space:nowrap}

:root{
  /* 밤 칸 (첫 화면·장면·마지막) */
  --night:#14132A;
  --night-2:#24213F;          /* 키트의 Night soft: 카드 배경 */
  --night-3:#2A2754;
  --night-line:#3A3768;
  --night-ink:#F0EFF9;
  --night-muted:#B8B5E4;      /* 앱의 mist */
  /* 밝은 칸 */
  --paper:#F6F5FB;
  --card:#FFFFFF;
  --ink:#1A1930;
  --ink-2:#44425E;
  --muted:#63607D;
  --line:#E2E0EE;
  /* 앱 강조색 */
  --amber:#F5B53F;            /* 채우기·점·밤 칸 글자 */
  --amber-deep:#E0891E;
  --amber-ink:#9A5700;        /* 키트의 Amber ink: 밝은 바탕 위 강조 글자(종이색 위 5.2:1) */
  /* 기능마다 앱과 같은 색: 불침번 앰버, 커튼 페리윙클, 후광 코랄 */
  --nightwatch:#F5B53F;
  --curtain:#8C9BFF;
  --halo:#FF8E72;
  --focus:#8C9BFF;
  --radius:18px;
  --radius-s:12px;
  --shadow:0 1px 2px rgba(20,19,42,.06),0 12px 32px rgba(20,19,42,.10);
  --font:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Noto Sans KR","Malgun Gothic","Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1100px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#100F22;
    --card:#1A1932;
    --ink:#F0EFF9;
    --ink-2:#D2D0E6;
    --muted:#A9A6C6;
    --line:#2C2A4C;
    --amber-ink:#F5B53F;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px rgba(0,0,0,.35);
    color-scheme:dark;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.65;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
main{display:block;width:100%}
h1,h2,h3{margin:0;line-height:1.3;letter-spacing:-.02em;text-wrap:balance}
a,button,summary{touch-action:manipulation;-webkit-tap-highlight-color:rgba(245,181,63,.25)}
.faq summary:hover{color:var(--amber-ink)}
p{margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}

.skip{position:absolute;left:12px;top:-60px;z-index:20;background:var(--card);color:var(--ink);padding:8px 14px;border-radius:8px;text-decoration:none}
.skip:focus{top:12px}

/* 머리말 */
.top{position:sticky;top:0;z-index:10;background:rgba(20,19,42,.86);-webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px);color:var(--night-ink);border-bottom:1px solid var(--night-line)}
.top__in{display:flex;align-items:center;gap:16px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:18px;letter-spacing:-.01em}
.brand img{border-radius:8px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{text-decoration:none;color:var(--night-muted);font-size:15px;padding:8px 10px;border-radius:8px}
.nav a:hover{color:var(--night-ink);background:var(--night-2)}
.lang{font:inherit;font-size:14px;color:var(--night-ink);background:transparent;border:1px solid var(--night-line);border-radius:999px;padding:6px 12px;cursor:pointer;white-space:nowrap}
.lang:hover{background:var(--night-2)}
@media (max-width:719px){
  .nav a[href="#scenes"],.nav a[href="#faq"]{display:none}
  .nav a{padding:8px 6px}
}
@media (max-width:359px){.brand span{display:none}}

/* 밤 칸 공통 */
.night{background:var(--night);color:var(--night-ink)}
.night .lead{color:var(--night-muted)}
.night .note{color:var(--night-muted)}
.kicker{font-size:15px;color:var(--amber);font-weight:600;margin-bottom:14px}
.lead{font-size:18px;color:var(--ink-2);margin-top:16px;max-width:36em}
.note{font-size:15px;color:var(--muted);margin-top:16px}

/* 첫 화면 */
.hero{padding-top:56px;padding-bottom:64px;overflow:hidden;background:radial-gradient(ellipse 70% 60% at 85% 20%,var(--night-3),transparent 70%),var(--night)}
.hero__in{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;align-items:center}
.hero h1{font-size:clamp(30px,6.6vw,52px);font-weight:800}
.hero__act{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:999px;background:var(--amber);color:var(--night);font-weight:700;text-decoration:none;white-space:nowrap;transition:background-color .15s ease,transform .15s ease}
.btn:hover{background:#FFC65A}
.btn:active{transform:translateY(1px)}
.status{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--night-muted);white-space:nowrap}
.hero__meta{margin-top:18px;font-size:14px;color:var(--night-muted);line-height:1.8}
.status__dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(245,181,63,.18)}
.hero__shot{margin:0}
picture{display:block}
.hero__shot img,.shot{display:block;width:100%;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--night-2)}
.hero__shot img{box-shadow:0 20px 60px rgba(0,0,0,.45),0 0 0 1px var(--night-line)}
.hero__shot figcaption{font-size:15px;color:var(--night-muted);margin-top:12px}
@media (min-width:900px){
  .hero{padding-top:80px;padding-bottom:96px}
  .hero__in{grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:56px}
}

.more h2,.faq h2{font-size:clamp(25px,4.4vw,36px);font-weight:800}

/* 기능 칸 */
.feat{padding-top:64px;padding-bottom:64px;border-top:1px solid var(--line)}
.feat__in{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:center}
.feat__name{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--ink-2);margin-bottom:12px}
.feat__icon,.sw__icon{width:30px;height:30px;padding:5px;border-radius:9px;background:var(--f);color:var(--night);flex:none}
.feat h2{font-size:clamp(25px,4.4vw,36px);font-weight:800}
.feat__shot{margin:0}
.feat--wide .feat__shot{margin-top:28px}
.points{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.points li{position:relative;padding-left:22px;color:var(--ink-2)}
.points li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--f,var(--amber))}
.points--cols{margin-top:28px}
/* 커튼 풍경 그림 10장: 받은 파일 그대로(출처 표식 C2PA 때문에 다시 저장 금지), 크기는 CSS로만 줄임 */
.scenery{margin-top:44px}
.scenery h3{font-size:18px;font-weight:800}
.scenery__list{list-style:none;margin:16px 0 0;padding:0 0 6px;display:grid;grid-auto-flow:column;grid-auto-columns:44%;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain}
.scenery__list li{scroll-snap-align:start}
.scenery__list img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;background:var(--line)}
.scenery .note{margin-top:14px}
@media (min-width:700px){.scenery__list{grid-auto-flow:row;grid-auto-columns:auto;grid-template-columns:repeat(5,minmax(0,1fr));overflow:visible;padding-bottom:0}}
@media (min-width:900px){
  .feat{padding-top:88px;padding-bottom:88px}
  .feat__in{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px}
  .feat--flip .feat__in{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
  .feat--flip .feat__shot{order:-1}
  .points--cols{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px}
}

/* 장면 (가장 중요한 칸: 밤으로 뒤집음) */
.scenes{padding-top:80px;padding-bottom:88px}
.scenes h2{font-size:clamp(27px,5vw,40px);font-weight:800}
.scenes__in{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;align-items:center}
.board{background:var(--night-2);border:1px solid var(--night-line);border-radius:22px;padding:20px}
.board__scenes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.chip{font:inherit;font-size:16px;font-weight:600;min-height:46px;padding:10px 12px;border-radius:12px;border:1px solid var(--night-line);background:var(--night);color:var(--night-ink);cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease}
.chip:hover{border-color:var(--night-muted)}
.chip[aria-pressed="true"]{background:var(--amber);border-color:var(--amber);color:var(--night)}
.board__rows{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}
.sw{display:flex;align-items:center;gap:12px;padding:14px 14px;border-radius:14px;background:var(--night);border:1px solid var(--night-line);transition:border-color .3s ease,background-color .3s ease}
.sw b{font-size:17px}
.sw__state{margin-left:auto;font-size:15px;color:var(--night-muted)}
.sw__on{display:none}
.sw.is-on .sw__on{display:inline;color:var(--night-ink)}
.sw.is-on .sw__off{display:none}
.sw__track{width:46px;height:28px;border-radius:999px;background:var(--night-3);position:relative;flex:none;transition:background-color .3s ease}
.sw__track::after{content:"";position:absolute;left:4px;top:4px;width:20px;height:20px;border-radius:50%;background:var(--night-muted);transition:transform .3s cubic-bezier(.3,.7,.3,1),background-color .3s ease}
.sw.is-on{border-color:var(--f)}
.sw.is-on .sw__track{background:var(--f)}
.sw.is-on .sw__track::after{transform:translateX(18px);background:var(--night)}
.sw:not(.is-on) .sw__icon{opacity:.45}
.sw__icon{transition:opacity .3s ease}
.board__cap{font-size:15px;color:var(--night-muted);margin-top:14px}
@media (min-width:600px){.board__scenes{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (min-width:900px){
  .scenes__in{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:64px}
  .board{padding:28px}
}

/* 몰입 세션·단축키 */
.more{padding-top:72px;padding-bottom:72px}
.more__grid{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;margin-top:32px}
.more__item h3{font-size:20px;font-weight:800;margin-top:20px}
.more__item p{color:var(--ink-2);margin-top:8px}
.code{display:inline-block;margin-top:12px;font-family:var(--mono);font-size:15px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px 10px;max-width:100%;overflow-wrap:anywhere;word-break:break-all}
@media (min-width:900px){.more__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:48px}}

/* 개인정보 */
.privacy{padding-bottom:72px}
.privacy__card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow)}
.privacy h2{font-size:clamp(23px,4vw,30px);font-weight:800}
.privacy .points{--f:var(--curtain)}
.link{display:inline-block;margin-top:20px;font-weight:700;color:var(--amber-ink);text-underline-offset:4px}
@media (min-width:900px){.privacy__card{padding:40px 48px}}

/* 자주 묻는 질문 */
.faq{padding-top:72px;padding-bottom:88px;border-top:1px solid var(--line)}
.faq__in{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
.faq__list{display:grid;gap:10px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-s)}
.faq summary{cursor:pointer;list-style:none;padding:16px 48px 16px 20px;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--muted)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 20px 18px;color:var(--ink-2)}
.faq details a{color:var(--amber-ink);text-underline-offset:3px}
@media (min-width:900px){.faq__in{grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:56px}}

/* 마지막 */
.end{padding-top:80px;padding-bottom:80px;text-align:center}
.end__in{display:flex;flex-direction:column;align-items:center}
.end__icon{display:block}  /* 키트의 공식 아이콘: 둘레 여백과 그림자가 그림 안에 들어 있어 따로 안 꾸밈 */
.end h2{font-size:clamp(26px,5vw,40px);font-weight:800;margin-top:24px}
.end__lead{margin-top:14px;font-size:18px;color:var(--night-muted)}
.end__links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin-top:28px}
.end__links a{color:var(--night-ink);text-underline-offset:4px}

/* 바닥글 */
.foot{background:var(--night);color:var(--night-muted);font-size:15px;border-top:1px solid var(--night-line)}
.foot__in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-top:24px;padding-bottom:calc(24px + env(safe-area-inset-bottom))}
.foot a{color:var(--night-ink);text-underline-offset:3px}

/* 움직임: html.anim 일 때만(동작 줄이기면 없음). 칸이 들어오면 제자리에서 흐리게만 → 선명하게 */
.anim [data-rv]{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.anim [data-rv].in{opacity:1;transform:none}
.anim .hero__shot img{opacity:0;transform:translateY(18px) scale(.985);transition:opacity .7s ease .1s,transform .9s cubic-bezier(.2,.7,.2,1) .1s}
.anim .hero__shot.in img{opacity:1;transform:none}

/* 404 */
.lost{min-height:70vh;display:flex;align-items:center;padding-top:64px;padding-bottom:64px}
.lost h1{font-size:clamp(28px,5vw,40px);font-weight:800}
.lost p{color:var(--night-muted);margin-top:12px}
.lost .btn{margin-top:28px}