@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css");

:root{
  --h: 178;
  --bg:      hsl(var(--h) 22% 96%);
  --surface: hsl(var(--h) 20% 99%);
  --ink:     hsl(var(--h) 25% 14%);
  --muted:   hsl(var(--h) 12% 42%);
  --accent:  hsl(var(--h) 62% 36%);
  --line:    hsl(var(--h) 16% 86%);
  --hero-fallback: hsl(var(--h) 30% 22%);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Pretendard",system-ui,sans-serif;
  line-height:1.7;
}
h1,h2,h3{font-family:"Pretendard",system-ui,sans-serif;font-weight:900;line-height:1.3;margin:0 0 .6em}
p{margin:0 0 1em}
a{color:inherit}
img,video{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

.site-header{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:.9rem clamp(1rem,4vw,2.5rem);
  background:hsl(var(--h) 22% 96% / .82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header__brand{font-weight:900;font-size:1.05rem;text-decoration:none;color:var(--ink)}
.site-header__menu{display:flex;gap:1.4rem;align-items:center}
.site-header__burger{display:none;flex:none;width:30px;height:30px;border:0;background:none;padding:0;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.site-header__burger span{display:block;height:2px;background:var(--ink);border-radius:2px}
@media (max-width:640px){
  .site-header{flex-wrap:wrap;gap:.6rem}
  .site-header__brand{margin-right:auto}
  .site-header__burger{display:flex}
  .site-header__menu{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;margin-top:.8rem;padding-top:.6rem;border-top:1px solid var(--line)}
  .site-header__menu.is-open{display:flex}
  .site-header__menu a{padding:.7rem 0}
}
.site-header__menu a{text-decoration:none;font-size:.9rem;color:var(--muted);font-weight:600}
.site-header__menu a:hover,.site-header__menu a:focus-visible{color:var(--accent)}
.site-header__nav{display:flex;gap:.6rem}
.site-header__cta{
  padding:.55rem 1.1rem;border-radius:999px;text-decoration:none;font-weight:700;font-size:.88rem;
  background:var(--accent);color:#fff;
}
.site-header__cta--ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}

.hero{position:relative;min-height:100svh;overflow:hidden;display:grid;place-items:center}
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero__scrim{position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,
    hsl(var(--h) 40% 8% / .55) 0%,
    hsl(var(--h) 40% 8% / .30) 45%,
    hsl(var(--h) 40% 8% / .72) 100%)}
.hero__inner{position:relative;z-index:2;text-align:center;padding:clamp(1.5rem,5vw,4rem);color:#fff;max-width:46rem}
.hero__title{font-size:clamp(2.2rem,6vw,3.6rem)}
.hero__lead{font-size:clamp(1rem,2vw,1.2rem);opacity:.92}
.hero__ctas{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.4rem}
.hero__cta{
  padding:.85rem 1.6rem;border-radius:999px;text-decoration:none;font-weight:700;
  background:#fff;color:var(--ink);
}
.hero__cta--ghost{background:transparent;color:#fff;border:1px solid hsl(0 0% 100% / .7)}

@media (prefers-reduced-motion: reduce){
  .hero__video{display:none}
  .hero{background:var(--hero-fallback) center/cover no-repeat}
}

section{padding:clamp(2.5rem,6vw,5rem) clamp(1rem,4vw,2.5rem)}
.section__head{max-width:40rem;margin:0 auto 2rem}
.section__head p{color:var(--muted)}

.intro{max-width:44rem;margin:0 auto;text-align:center}

.kwcarousel__track{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(268px,32%);
  gap:1rem;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-block:.5rem;list-style:none;margin:0;scrollbar-width:thin;
  overscroll-behavior-x:contain;
}
.kwcard{scroll-snap-align:start}
.kwcard__link{
  display:flex;flex-direction:column;gap:.6rem;height:100%;
  padding:1.4rem;border:1px solid var(--line);border-radius:14px;
  background:var(--surface);color:var(--ink);text-decoration:none;
  transition:transform .18s ease, box-shadow .18s ease;
}
.kwcard__link:hover,.kwcard__link:focus-visible{
  transform:translateY(-3px);
  box-shadow:0 8px 24px hsl(var(--h) 30% 20% / .12);
}
.kwcard__img{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:10px}
.kwcard__figure{color:var(--accent)}
.kwcard__title{margin:0;font-size:1.05rem}
.kwcard__desc{color:var(--muted);font-size:.92rem;flex:1}
.kwcard__more{font-size:.85rem;font-weight:700;color:var(--accent)}
@media (max-width:640px){
  .kwcarousel__track{grid-auto-flow:row;grid-template-columns:repeat(2,1fr);overflow-x:visible;scroll-snap-type:none}
  .kwcard__link{aspect-ratio:1/1;position:relative;padding:0;justify-content:flex-end;overflow:hidden}
  .kwcard__img{position:absolute;inset:0;width:100%;height:100%;border-radius:0}
  .kwcard__figure,.kwcard__desc,.kwcard__more{display:none}
  .kwcard__title{position:relative;z-index:1;margin:0;padding:.9rem;color:#fff;font-size:.95rem;background:linear-gradient(180deg,transparent,hsl(var(--h) 40% 8% / .75) 75%)}
}
@media (prefers-reduced-motion: reduce){
  .kwcard__link{transition:none}
  .kwcard__link:hover{transform:none}
}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem;max-width:64rem;margin:0 auto}
.step{padding:1.4rem;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.step__num{font-weight:900;color:var(--accent);font-size:1.4rem}
.step h3{font-size:1.05rem;margin:.4rem 0 .3rem}
.step p{color:var(--muted);font-size:.92rem;margin:0}

.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;max-width:72rem;margin:0 auto}
.gallery img{width:100%;height:100%;object-fit:cover;border-radius:12px;aspect-ratio:1/1}
@media (max-width:640px){
  .gallery{grid-template-columns:repeat(2,1fr);gap:.6rem}
}

.auction{max-width:44rem;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(1.4rem,4vw,2.4rem)}

.construction-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;max-width:72rem;margin:0 auto}
.construction-card{display:block;position:relative;aspect-ratio:1/1;border-radius:12px;overflow:hidden;text-decoration:none}
.construction-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.construction-card h3{position:absolute;z-index:1;inset:auto 0 0 0;margin:0;padding:.9rem;color:#fff;font-size:1rem;background:linear-gradient(180deg,transparent,hsl(var(--h) 40% 8% / .75) 75%)}
.construction-more{text-align:center;margin-top:1.6rem}
@media (max-width:640px){
  .construction-grid{grid-template-columns:repeat(2,1fr);gap:.6rem}
}

.faq{max-width:44rem;margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:1rem 0}
.faq summary{cursor:pointer;font-weight:700}
.faq p{color:var(--muted);margin:.6rem 0 0}

.cta-band{background:var(--accent);text-align:center}
.cta-band > *{max-width:44rem;margin-left:auto;margin-right:auto}
.cta-band h2{color:#fff}
.cta-band__ctas{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.2rem}
.cta-band .site-header__cta{background:#fff;color:var(--ink)}
.cta-band .site-header__cta--ghost{background:transparent;color:#fff;border:1px solid hsl(0 0% 100% / .7)}

.site-footer{border-top:1px solid var(--line);padding:1.4rem clamp(1rem,4vw,2.5rem);background:var(--surface)}
.site-footer__inner{max-width:64rem;margin:0 auto;display:grid;gap:.6rem}
.site-footer__biz{color:var(--muted);font-size:.86rem;line-height:1.5}
.site-footer__biz a{color:var(--accent);text-decoration:none}
.site-footer__nav{display:flex;flex-wrap:wrap;gap:.8rem 1.2rem}
.site-footer__nav a{text-decoration:none;font-size:.88rem;color:var(--ink)}
.site-footer__copy{color:var(--muted);font-size:.8rem;margin:0}
@media (max-width:640px){
  .site-footer{padding:.9rem clamp(1rem,4vw,2.5rem)}
  .site-footer__inner{gap:.4rem}
  .site-footer__biz{font-size:.8rem;line-height:1.4}
  .site-footer__nav{gap:.5rem .8rem}
  .site-footer__nav a{font-size:.82rem}
}