/* Pretendard (SIL OFL 1.1, fonts/OFL.txt) — subset to this page's characters */
@font-face{font-family:"Pretendard";src:url("/flu/fonts/pretendard-500.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Pretendard";src:url("/flu/fonts/pretendard-700.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Pretendard";src:url("/flu/fonts/pretendard-800.woff2") format("woff2");font-weight:800;font-display:swap}

/* Light only: opt out of iOS dark mode and Samsung Internet / Chrome forced dark */
:root{
  color-scheme:only light;
  --bg:#F5F5F7;
  --ink:#1d1d1f;
  --ink-2:#424245;
  --ink-3:#6e6e73;
  --line:#e5e5ea;
  --red:#d70015;
  --card:#ffffff;
  --pad:24px;
  --ph:56;      /* photo height, in % of the screen height */
  --fade:.42;   /* bottom share of the photo that fades into the page */
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Pretendard",-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  font-weight:500;font-size:1.1875rem;line-height:1.5;
  word-break:keep-all;overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
b{font-weight:800;color:var(--ink)}
main{display:block}

/* ---------- scene: one phone screen, photo on top fading into the page ---------- */
.scene{position:relative}
.scene__pin{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;background:var(--bg)}
.scene__photo{position:absolute;left:0;right:0;top:0;height:calc(var(--ph) * 1vh);margin:0;overflow:hidden}
.scene__photo img{width:100%;height:100%;max-width:none;object-fit:cover}
.scene__photo::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:calc(var(--fade) * 100%);pointer-events:none;
  background:linear-gradient(180deg,rgba(245,245,247,0),var(--bg));
}
[data-scene="7"]{--ph:46;--fade:.18}
[data-scene="12"]{--ph:60;--fade:.20}
.ai-label{
  position:absolute;right:14px;top:14px;z-index:2;
  font-size:.6875rem;font-weight:700;line-height:1.4;color:#fff;
  background:rgba(0,0,0,.42);padding:3px 9px;border-radius:99px;
}
/* text sits at the bottom; if it grows (large text settings) the scene grows instead of clipping,
   and the text never starts above the faded part of the photo */
.scene__text{position:relative;z-index:1;margin-top:auto;padding:calc(var(--ph) * (1 - var(--fade)) * 1vh) var(--pad) 44px}
@supports (height:1svh){
  .scene__photo{height:calc(var(--ph) * 1svh)}
  .scene__text{padding-top:calc(var(--ph) * (1 - var(--fade)) * 1svh)}
}

/* ---------- type ---------- */
.eyebrow{margin:0;font-size:.9375rem;font-weight:800;letter-spacing:.03em;color:var(--ink-3)}
.eyebrow--alert{color:var(--red)}
.title{margin:.5rem 0 0;font-size:min(2.1875rem,10vw);font-weight:800;letter-spacing:-.045em;line-height:1.14;color:var(--ink)}
.body{margin:.875rem 0 0;color:var(--ink-2)}
.ln{display:block}
.list{list-style:none;margin:.875rem 0 0;padding:0;color:var(--ink-2)}
.li{position:relative;padding-left:1rem}
.li::before{content:"";position:absolute;left:.15rem;top:.68em;width:.375rem;height:.375rem;border-radius:50%;background:currentColor}
.n119{margin:.125rem 0 0;font-size:min(7.375rem,36vw);font-weight:800;letter-spacing:-.05em;line-height:.95;color:var(--red)}
.fine{margin:.75rem 0 0;font-size:.875rem;font-weight:600;color:var(--ink-3)}
.stat{margin:1rem 0 0;display:flex;flex-direction:column}
.stat__fig{font-size:2.875rem;font-weight:800;letter-spacing:-.04em;line-height:1.1}
.stat__label{font-size:.9375rem;font-weight:700;color:var(--ink-2)}
html:not(.js) .js-only{display:none}

/* ---------- 0 · hero (no photo yet: logo + title) ---------- */
.scene--hero .scene__pin{background:radial-gradient(130% 70% at 50% 0%,#ffffff 0%,var(--bg) 62%)}
.scene--hero .scene__text{margin:auto 0;padding:60px var(--pad) 44px;display:flex;flex-direction:column}
.scene--hero .logo{width:auto;height:2.5rem;margin-bottom:1.75rem}
.scene--hero .title{font-size:min(2.75rem,9.4vw)}
.scene--hero .body{color:var(--ink-3)}

/* ---------- text-only scenes flow naturally (may be taller than one screen) ---------- */
.scene--myths .scene__pin,.scene--cards .scene__pin,.scene--contact .scene__pin{
  height:auto;min-height:100vh;min-height:100svh;overflow:visible;
  display:flex;flex-direction:column;
}
/* auto margins centre short content but never push tall content above the scene's top */
.scene--myths .scene__text,.scene--cards .scene__text,.scene--contact .scene__text{position:relative;margin:auto 0;padding:60px var(--pad) 44px}

/* ---------- 10 · myth cards ---------- */
.myths{margin-top:1.25rem;display:flex;flex-direction:column;gap:.75rem}
.myth-card{background:var(--card);border-radius:20px;overflow:hidden}
.myth{
  display:block;width:100%;margin:0;padding:1rem 1rem .875rem;border:0;background:none;text-align:left;
  font:inherit;font-size:1.0625rem;font-weight:800;line-height:1.4;color:var(--ink);cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.myth:focus-visible{outline:3px solid var(--ink);outline-offset:-3px;border-radius:20px}
.tag{display:block;margin-bottom:.125rem;font-size:.8125rem;font-weight:800;letter-spacing:.04em;color:var(--ink-3)}
.tag--fact{color:var(--ink)}
.myth__fact{padding:0 1rem 1rem;font-size:1.0625rem;line-height:1.5;color:var(--ink-2)}
.myth__fact[hidden]{display:none}

/* ---------- 11 · audience cards (stacked, read top to bottom) ---------- */
.cards{list-style:none;margin:1.25rem 0 0;padding:0;display:flex;flex-direction:column;gap:.75rem}
.card{background:var(--card);border-radius:20px;overflow:hidden}
.card__photo{position:relative;margin:0;height:10rem;overflow:hidden}
.card__photo img{width:100%;height:100%;max-width:none;object-fit:cover}
.card__photo .ai-label{top:10px;right:10px}
.card__title{margin:.875rem 1rem 0;font-size:1.125rem;font-weight:800;color:var(--ink)}
.card .body{margin:.25rem 1rem 1rem;font-size:1.0625rem}

/* ---------- 13 · contact + hours ---------- */
.scene--contact .logo{width:auto;height:2rem;margin-bottom:1.25rem}
/* the title sits outside the rounded box so its corner never clips the text */
.hours__title{margin:1.25rem 0 .5rem;font-size:.9375rem;font-weight:800;color:var(--ink)}
.hours-box{background:var(--card);border-radius:18px;overflow:hidden}
.hours{width:100%;border-collapse:separate;border-spacing:0;font-size:.875rem;line-height:1.45;color:var(--ink-2)}
.hours th,.hours td{padding:.625rem .625rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.hours tbody tr:last-child th,.hours tbody tr:last-child td{border-bottom:0}
.hours thead th{font-size:.8125rem;font-weight:800;color:var(--ink-3)}
.hours tbody th{font-weight:800;color:var(--ink)}
.hours__note{font-size:1.0625rem}

/* ---------- footer ---------- */
.site-footer{padding:2rem var(--pad) 2.5rem;border-top:1px solid var(--line);font-size:.8125rem;line-height:1.6;color:var(--ink-3)}
.site-footer p{margin:0}
.site-footer b{font-weight:700;color:var(--ink-2)}

/* ---------- motion (JS + motion allowed + tall enough screen) ---------- */
@media (prefers-reduced-motion:no-preference) and (min-height:501px){
  /* stacking: a scene stays pinned for 50svh, then the next one slides over it for 100svh */
  html.js .scene--stack{height:250vh;height:250svh}
  html.js .scene--stack .scene__pin{position:-webkit-sticky;position:sticky;top:0}
  html.js .scene--stack + .scene{margin-top:-100vh;margin-top:-100svh}
}
/* a scene taller than the screen (large text) is never pinned: it just scrolls (set by scroll.js) */
html.js .scene--stack.scene--tall{height:auto}
html.js .scene--stack.scene--tall .scene__pin{position:relative}
html.js .scene--stack.scene--tall + .scene{margin-top:0}
@media (prefers-reduced-motion:no-preference){
  html.js .scene__photo img{transform:scale(calc(1 + .08 * var(--p, 0)));transform-origin:50% 40%;will-change:transform}
  html.js .scene__text{transition:opacity .6s ease,transform .6s ease}
  html.js .scene:not(.is-in) .scene__text{opacity:0;transform:translateY(16px)}
}

/* ---------- short or landscape screens: plain flow, nothing pinned or clipped ---------- */
@media (max-height:500px){
  .scene__pin,.scene--myths .scene__pin,.scene--cards .scene__pin,.scene--contact .scene__pin{min-height:0}
  .scene__photo,.scene__text{position:relative}
  .scene__photo{height:56vw !important;max-height:none}
  .scene__text,.scene--hero .scene__text{margin:0;padding:20px var(--pad) 40px !important}
  .scene--hero .scene__text{padding-top:40px !important}
}