/* FIELD CRAFT common system — 수석종합설비. Per-field pages override the --f-* variables and add their own layout CSS. */
:root{
  --paper:#F2F1EC;--graphite:#232323;--concrete:#CAC8C1;--signal:#D74A3A;
  --f-bg:var(--paper);--f-ink:var(--graphite);--f-line:var(--concrete);--f-accent:var(--signal);--f-soft:#E7E5DE;
  --pad:20px;--maxw:1240px;
  --sans:"Pretendard","Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"D2Coding",monospace;
  color-scheme:light;
}
@media(min-width:700px){:root{--pad:36px}}
@media(min-width:1100px){:root{--pad:56px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--f-bg);color:var(--f-ink);font-family:var(--sans);line-height:1.72;word-break:keep-all;overflow-wrap:anywhere;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--f-accent);outline-offset:2px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:0;background:var(--graphite);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
main{display:block}
h1,h2,h3{line-height:1.25;margin:0}
p{margin:0 0 1em}
.mono{font-family:var(--mono);letter-spacing:.04em}
.tag{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase}

/* header */
.fc-header{position:sticky;top:0;z-index:50;background:var(--graphite);color:#F2F1EC;border-bottom:3px solid var(--f-accent)}
.fc-header-in{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:58px}
.fc-logo{display:flex;flex-direction:column;line-height:1.1;text-decoration:none;color:#F2F1EC;font-weight:800;font-size:1.1rem;letter-spacing:-.01em}
.fc-logo small{font-family:var(--mono);font-weight:500;font-size:.6rem;letter-spacing:.2em;color:var(--concrete);margin-top:3px}
.fc-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}
.fc-nav a{display:flex;align-items:center;min-height:44px;padding:0 10px;text-decoration:none;font-size:.88rem;font-weight:600;color:#F2F1EC;border-bottom:3px solid transparent;margin-bottom:-3px}
.fc-nav a:hover,.fc-nav a[aria-current="page"]{border-bottom-color:var(--f-accent)}
.fc-nav .cta a{background:var(--signal);color:#fff;margin-left:8px;padding:0 14px}
.fc-menu{display:none}
@media(max-width:1000px){
  .fc-nav{display:none}
  .fc-menu{display:block;position:static}
  .fc-menu summary{list-style:none;cursor:pointer;min-height:44px;display:flex;align-items:center;padding:0 14px;border:1px solid #5a5a58;font-size:.85rem;font-weight:700;font-family:var(--mono);letter-spacing:.12em}
  .fc-menu summary::-webkit-details-marker{display:none}
  .fc-menu ul{list-style:none;margin:0;padding:6px var(--pad) 14px;position:absolute;left:0;right:0;top:100%;background:var(--graphite);border-bottom:3px solid var(--f-accent);max-height:calc(100vh - 62px);overflow:auto}
  .fc-menu li a{display:flex;align-items:center;min-height:48px;text-decoration:none;color:#F2F1EC;border-bottom:1px solid #3a3a38;font-weight:600}
  .fc-menu li a span{font-family:var(--mono);font-size:.7rem;color:var(--concrete);margin-right:12px;letter-spacing:.1em}
}
.fc-crumb{max-width:var(--maxw);margin:0 auto;padding:12px var(--pad);font-size:.8rem;color:#55534e;font-family:var(--mono);letter-spacing:.03em}
.fc-crumb a{text-decoration:none;border-bottom:1px solid currentColor}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;font-weight:800;text-decoration:none;font-size:1rem;border:2px solid var(--f-ink);background:var(--f-ink);color:var(--f-bg);letter-spacing:-.01em;border-radius:0}
.btn:hover{background:var(--f-accent);border-color:var(--f-accent);color:#fff}
.btn.alt{background:transparent;color:var(--f-ink)}
.btn.alt:hover{background:var(--f-ink);border-color:var(--f-ink);color:var(--f-bg)}
.btn-row{display:flex;flex-wrap:wrap;gap:10px}

/* section heads */
.sec{padding:56px var(--pad);max-width:var(--maxw);margin:0 auto}
@media(min-width:1100px){.sec{padding:84px var(--pad)}}
.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px;margin-bottom:26px;border-top:3px solid var(--f-ink);padding-top:14px}
.sec-head .no{font-family:var(--mono);font-size:.8rem;color:var(--f-accent);font-weight:700;letter-spacing:.1em}
.sec-head h2{font-size:clamp(1.35rem,3.4vw,2.1rem);letter-spacing:-.02em}

/* photos */
.ph{margin:0;position:relative;background:var(--f-soft);overflow:hidden}
.ph img{width:100%;height:100%;object-fit:cover}
.ph figcaption{position:absolute;left:0;bottom:0;background:var(--f-ink);color:var(--f-bg);font-size:.72rem;font-weight:700;padding:4px 10px;font-family:var(--mono);letter-spacing:.06em}
.ph.sq{aspect-ratio:1/1}.ph.r43{aspect-ratio:4/3}.ph.r34{aspect-ratio:3/4}
.cap{font-size:.82rem;color:#55534e;margin:8px 0 0;line-height:1.5}
.photo-row{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media(min-width:900px){.photo-row.c4{grid-template-columns:repeat(4,1fr)}.photo-row.c3{grid-template-columns:repeat(3,1fr)}}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.ba .ph figcaption.after{background:var(--f-accent);color:#fff}

/* tables: safe scroll */
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
table{border-collapse:collapse;width:100%;font-size:.93rem}
caption{text-align:left;font-weight:700;padding:0 0 8px}
th,td{border:1px solid var(--f-line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--f-soft)}

/* faq */
.faq details{border-top:1px solid var(--f-line);padding:0}
.faq details:last-child{border-bottom:1px solid var(--f-line)}
.faq summary{cursor:pointer;min-height:56px;display:flex;align-items:center;gap:12px;font-weight:700;list-style:none;padding:10px 0}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";font-family:var(--mono);color:var(--f-accent);font-weight:800}
.faq summary::after{content:"+";margin-left:auto;font-family:var(--mono);font-size:1.3rem}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 16px;padding-left:28px;font-size:.95rem}

/* related */
.rel{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;border-top:2px solid var(--f-ink)}
@media(min-width:700px){.rel{grid-template-columns:1fr 1fr;column-gap:36px}}
.rel li{border-bottom:1px solid var(--f-line)}
.rel a{display:flex;gap:14px;align-items:center;min-height:56px;text-decoration:none;font-weight:700;padding:8px 0}
.rel a::before{content:attr(data-n);font-family:var(--mono);font-size:.74rem;color:var(--f-accent)}
.rel a::after{content:"→";margin-left:auto}
.rel a:hover{color:var(--f-accent)}

/* CTA */
.cta{background:var(--graphite);color:#F2F1EC;margin-top:0}
.cta-in{max-width:var(--maxw);margin:0 auto;padding:56px var(--pad);display:grid;gap:22px}
@media(min-width:900px){.cta-in{grid-template-columns:1.4fr 1fr;align-items:center;padding:76px var(--pad)}}
.cta h2{font-size:clamp(1.4rem,3.4vw,2.2rem);letter-spacing:-.02em}
.cta p{color:var(--concrete);margin:10px 0 0;max-width:52ch}
.cta .btn{background:var(--signal);border-color:var(--signal);color:#fff}
.cta .btn.alt{background:transparent;border-color:#F2F1EC;color:#F2F1EC}
.cta .btn:hover{background:#F2F1EC;border-color:#F2F1EC;color:var(--graphite)}

/* footer */
.fc-footer{background:#161616;color:#B9B7B0;font-size:.82rem;padding:36px var(--pad) 110px}
.fc-footer-in{max-width:var(--maxw);margin:0 auto;display:grid;gap:22px}
@media(min-width:900px){.fc-footer{padding-bottom:36px}.fc-footer-in{grid-template-columns:1fr 1fr}}
.fc-footer b{color:#F2F1EC}
.fc-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 18px}
.fc-footer a{text-decoration:none;display:inline-flex;align-items:center;min-height:36px}
.fc-footer a:hover{color:#fff;text-decoration:underline}
.fc-biz{display:grid;gap:3px;margin:0}
.fc-biz span{display:block}

/* mobile bar */
.fc-mobilebar{position:fixed;left:0;right:0;bottom:0;display:flex;gap:0;background:var(--graphite);z-index:60;padding-bottom:env(safe-area-inset-bottom);border-top:3px solid var(--f-accent)}
.fc-mobilebar a{flex:1;min-height:52px;display:flex;align-items:center;justify-content:center;font-weight:800;text-decoration:none;color:#F2F1EC;font-size:.95rem}
.fc-mobilebar a.q{background:var(--signal);color:#fff}
@media(min-width:900px){.fc-mobilebar{display:none}}