/* ===== Theme F — heritage craft (indigo / gold, serif, vertical type). Loaded after the base (A) stylesheet. ===== */
body.theme-f{
  --paper:#f6f6f4; --seal:#b23a2e;
  --primary:var(--indigo); --ink:#1f2430; --ink-2:#454b58; --muted:#7a7f8a; --line:#e2e0da; --bg-soft:#f6f6f4;
  --radius:0px; --radius-sm:0px; --shadow:none; --shadow-lg:0 20px 50px rgba(34,48,94,.14);
  --serif:'Noto Serif KR','Nanum Myeongjo',serif;
  background:#fff;color:var(--ink)
}
.theme-f h1,.theme-f h2,.theme-f h3,.theme-f .logo-text{font-family:var(--serif);font-weight:700;letter-spacing:-.01em}
.theme-f a:focus-visible,.theme-f button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* header */
.theme-f .site-header,.theme-f.is-home .site-header{position:sticky;background:#fff;color:var(--ink);border-bottom:1px solid var(--accent)}
.theme-f .site-header.is-scrolled{box-shadow:0 1px 0 var(--accent)}
.theme-f .logo-text{color:var(--indigo);font-size:25px}
.theme-f .logo-text b{color:var(--seal)}
.theme-f .logo-sub{color:var(--accent);opacity:1;letter-spacing:.2em}
.theme-f .gnb>ul>li>a{font-family:var(--serif);font-weight:500;font-size:16px}
.theme-f .gnb>ul>li>a::after{height:1px;background:var(--accent)}
.theme-f .gnb .sub{border-radius:0;border-color:var(--accent)}
.theme-f .gnb .sub a{border-radius:0;font-family:var(--serif)}
.theme-f .gnb .sub a:hover{background:var(--paper);color:var(--indigo)}
.theme-f .btn-cta{background:var(--indigo);border-radius:0;font-family:var(--serif);font-weight:500}
.theme-f .btn-cta:hover{background:var(--accent);box-shadow:none;transform:none}
.theme-f .btn-cta .arrow{display:none}

/* buttons */
.f-btn{display:inline-flex;align-items:center;height:52px;padding:0 30px;background:var(--indigo);color:#fff;font-family:var(--serif);font-weight:500;letter-spacing:.04em;transition:background .2s}
.f-btn:hover{background:#151f40}
.f-btn-gold{background:var(--accent)}
.f-btn-gold:hover{background:#8c6b3a}
.f-link{font-family:var(--serif);font-weight:500;color:var(--indigo);display:inline-flex;align-items:center;gap:12px;white-space:nowrap}
.f-link::after{content:"";width:36px;height:1px;background:var(--accent);transition:width .25s}
.f-link:hover::after{width:56px}
.theme-f .btn{border-radius:0;font-family:var(--serif);font-weight:500}
.theme-f .btn .arrow{display:none}
.theme-f .btn-primary,.theme-f .btn-accent{background:var(--indigo);color:#fff}
.theme-f .btn-primary:hover,.theme-f .btn-accent:hover{background:var(--accent);box-shadow:none;transform:none}
.theme-f .btn-line{border:1px solid var(--accent);color:var(--indigo)}
.theme-f .eyebrow{color:var(--accent);letter-spacing:.1em;text-transform:none;font-family:var(--serif);font-weight:500}
.theme-f .tag{border-radius:0;background:transparent;border:1px solid var(--accent);color:var(--accent)}
.theme-f .more-link{color:var(--indigo)}
.theme-f .more-link .arrow{display:none}

/* seal stamp */
.f-seal{display:inline-grid;place-items:center;width:84px;height:84px;background:var(--seal);color:#fff;border-radius:6px;transform:rotate(-4deg);box-shadow:inset 0 0 0 3px rgba(255,255,255,.18)}
.f-seal span{display:grid;grid-template-columns:repeat(2,1fr);gap:0 2px;font-family:var(--serif);font-weight:700;font-size:24px;line-height:1.05;writing-mode:vertical-rl}
.f-seal i{font-style:normal}

/* hero */
.f-hero{padding:72px 0 88px;border-bottom:1px solid var(--line)}
.f-hero-grid{display:grid;grid-template-columns:56px 1fr 1.15fr;gap:48px;align-items:center}
.f-vertical{writing-mode:vertical-rl;font-family:var(--serif);font-size:22px;letter-spacing:.32em;color:var(--accent);margin:0;align-self:stretch;border-left:1px solid var(--accent);padding-left:14px;display:flex;align-items:center}
.f-stage{display:grid}
.f-hero .hero-slide{grid-area:1/1;position:relative;inset:auto;opacity:0;visibility:hidden;transition:opacity 1s}
.f-hero .hero-slide::after{display:none}
.f-hero .hero-slide.is-active{opacity:1;visibility:visible}
.f-display{font-family:var(--serif);font-size:clamp(32px,4vw,56px);font-weight:700;line-height:1.35;color:var(--indigo);letter-spacing:-.02em}
.f-lead{margin-top:24px;font-size:17px;color:var(--ink-2);line-height:1.85;max-width:440px}
.f-btns{display:flex;gap:26px;align-items:center;margin-top:36px;flex-wrap:wrap}
.f-ctrl{display:flex;align-items:center;gap:18px;margin-top:44px}
.f-hero .hero-count{font-family:var(--serif);color:var(--muted)}
.f-hero .hero-count b{color:var(--indigo)}
.f-hero .hero-bars button{background:var(--line);height:1px}
.f-hero .hero-bars button i{background:var(--accent)}
.f-hero.is-paused .hero-bars button.is-active i{animation-play-state:paused}
.f-hero-img{position:relative;margin:0;padding:14px;border:1px solid var(--accent)}
.f-hero-img img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.f-hero-img .f-seal{position:absolute;right:-22px;bottom:-26px}

/* sections */
.f-sec{padding:110px 0}
.f-sec-paper{background:var(--paper)}
.f-sec-indigo{background:var(--indigo);color:#e9ebf2}
.f-sec-indigo .f-vhead{color:#fff;border-color:var(--accent)}
.f-sec-indigo .f-text{color:#c3c8d8}
.f-sec-indigo .f-link{color:#fff}
.f-title{font-family:var(--serif);font-size:clamp(26px,2.8vw,38px);line-height:1.45;color:var(--indigo)}
.f-text{color:var(--ink-2);font-size:16.5px;line-height:1.9;margin:22px 0 30px;max-width:600px}
.f-split{display:grid;grid-template-columns:64px 1fr;gap:56px;align-items:start}
.f-vhead{writing-mode:vertical-rl;font-family:var(--serif);font-size:30px;letter-spacing:.2em;color:var(--indigo);border-right:1px solid var(--accent);padding-right:16px;margin:0;line-height:1.2}
.f-more-wrap{margin-top:34px;text-align:right}
.f-about{display:grid;grid-template-columns:300px 1fr;gap:80px;align-items:center}
.f-since{display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--accent);padding-left:26px}
.f-since span{font-family:var(--serif);color:var(--accent);font-size:15px}
.f-since b{font-family:var(--serif);font-size:96px;font-weight:700;line-height:1;color:var(--indigo);letter-spacing:-.03em}
.f-stats{display:grid;grid-template-columns:repeat(4,1fr);margin:72px 0 0;border-top:1px solid var(--accent);border-bottom:1px solid var(--line)}
.f-stats>div{padding:26px 20px;text-align:center;border-left:1px solid var(--line)}
.f-stats>div:first-child{border-left:0}
.f-stats dt{color:var(--muted);font-size:14px}
.f-stats dd{margin:6px 0 0;font-family:var(--serif);font-size:34px;font-weight:700;color:var(--indigo)}
.f-stats dd small{font-size:.45em;color:var(--accent);margin-left:4px}

.f-biz{border-top:1px solid var(--accent)}
.f-biz li a{display:grid;grid-template-columns:150px 1fr;gap:32px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.f-biz-img{aspect-ratio:1;overflow:hidden;background:#e7e6e1}
.f-biz-img img{width:100%;height:100%;object-fit:cover;filter:sepia(.25) saturate(.8);transition:filter .3s}
.f-biz li a:hover .f-biz-img img{filter:none}
.f-biz strong{display:block;font-family:var(--serif);font-size:24px;color:var(--indigo);margin-bottom:8px}
.f-biz em{font-style:normal;color:var(--ink-2);font-size:15px}
.f-biz li a:hover strong{color:var(--accent)}

.f-products{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 26px}
.f-product{display:block;text-align:center}
.f-product-img{display:block;aspect-ratio:1;background:var(--paper);padding:10px;border:1px solid var(--line);transition:border-color .25s}
.f-product-img img{width:100%;height:100%;object-fit:cover}
.f-product:hover .f-product-img{border-color:var(--accent)}
.f-product strong{display:block;font-family:var(--serif);font-weight:500;font-size:18px;color:var(--indigo);margin-top:16px}
.f-product small{display:block;color:var(--accent);font-size:13px;margin-top:2px}

.f-fac{display:grid;grid-template-columns:repeat(2,1fr);gap:34px 28px}
.f-fac a{display:flex;flex-direction:column;gap:6px}
.f-fac img{aspect-ratio:16/10;object-fit:cover;width:100%;border:1px solid rgba(168,131,78,.6);padding:6px;margin-bottom:10px}
.f-fac strong{font-family:var(--serif);font-size:20px;color:#fff}
.f-fac span{color:#c3c8d8;font-size:14.5px}
.f-fac a:hover strong{color:var(--accent)}

.f-certs{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.f-certs a{display:flex;flex-direction:column;gap:10px;text-align:center;font-family:var(--serif);font-size:14px;color:var(--ink-2)}
.f-certs a span{display:block;aspect-ratio:3/4;background:#fff;border:1px solid var(--line);padding:10px}
.f-certs img{width:100%;height:100%;object-fit:contain}
.f-certs a:hover span{border-color:var(--accent)}

.f-closing{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.f-news{border-top:1px solid var(--accent)}
.f-news li a{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.f-news span{font-family:var(--serif)}
.f-news time{color:var(--muted);white-space:nowrap}
.f-news a:hover span{color:var(--accent)}
.f-cta{background:var(--indigo);color:#fff;padding:52px 48px;position:relative}
.f-cta .f-seal{position:absolute;right:32px;top:-30px}
.f-cta h2{font-family:var(--serif);font-size:30px;line-height:1.4;max-width:80%}
.f-cta p{color:#c3c8d8;margin:16px 0 24px;line-height:1.8}
.f-cta-phone{display:block;font-family:var(--serif);font-size:32px;color:var(--accent);margin-bottom:24px}

/* sub pages */
.f-sub{position:relative;padding:84px 0 64px;border-bottom:1px solid var(--accent);background:var(--paper);overflow:hidden}
.f-sub-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.08;filter:grayscale(1)}
.f-sub .container{position:relative}
.f-sub h1{font-family:var(--serif);font-size:clamp(32px,4vw,52px);color:var(--indigo)}
.f-sub h1::after{content:"";display:block;width:48px;height:1px;background:var(--accent);margin-top:20px}
.f-sub p{margin-top:16px;color:var(--ink-2);font-size:17px}
.f-crumb{display:flex;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap;font-family:var(--serif)}
.f-crumb span::before{content:"·";margin-right:10px;color:var(--accent)}
.theme-f .subnav a{font-family:var(--serif)}
.theme-f .subnav a.is-on,.theme-f .subnav a:hover{color:var(--indigo);border-color:var(--accent)}
.theme-f .filter-tabs a{border-radius:0;border-color:var(--line);font-family:var(--serif)}
.theme-f .filter-tabs a.is-on,.theme-f .filter-tabs a:hover{background:var(--indigo);border-color:var(--indigo)}
.theme-f .p-thumb,.theme-f .si-card,.theme-f .gallery-main,.theme-f .gallery-thumbs button,.theme-f .section-detail .cover,.theme-f .about-hero img,.theme-f .map-box,.theme-f .loc-item,.theme-f .consent-box,.theme-f .done-box,.theme-f .contact-aside{border-radius:0}
.theme-f .p-thumb{background:var(--paper)}
.theme-f .p-view{background:rgba(34,48,94,.6);font-family:var(--serif)}
.theme-f .p-body h3{font-family:var(--serif);font-weight:500}
.theme-f .si-card:hover{box-shadow:none;transform:none;border-color:var(--accent)}
.theme-f .about-hero h2,.theme-f .section-detail h2.sd-title,.theme-f .detail-info h1{color:var(--indigo)}
.theme-f .prose{line-height:1.95}
.theme-f .prose h2,.theme-f .prose h3{font-family:var(--serif);color:var(--indigo)}
.theme-f .prose th{background:var(--paper);font-family:var(--serif)}
.theme-f .prose blockquote{border-left-color:var(--accent);background:var(--paper)}
.theme-f .board-table,.theme-f .notice-head,.theme-f .post-nav{border-top:1px solid var(--accent)}
.theme-f .board-table td.t-title,.theme-f .notice-head h1{font-family:var(--serif)}
.theme-f .badge-pin{background:var(--seal);border-radius:0}
.theme-f .pagination a,.theme-f .pagination span{border-radius:0}
.theme-f .pagination .is-current{background:var(--indigo);border-color:var(--indigo)}
.theme-f .loc-item .ico{background:transparent;border:1px solid var(--accent);color:var(--accent);border-radius:0}
.theme-f .contact-aside{background:var(--indigo)}
.theme-f .contact-aside h2{font-family:var(--serif)}
.theme-f .contact-aside dd{font-family:var(--serif);color:#e8d6b8}
.theme-f .input,.theme-f .select,.theme-f .textarea{border-radius:0}
.theme-f .input:focus,.theme-f .select:focus,.theme-f .textarea:focus{border-color:var(--indigo);box-shadow:0 0 0 3px rgba(168,131,78,.25)}
.theme-f .check input{accent-color:var(--indigo)}
.theme-f .nf b{color:var(--indigo);font-family:var(--serif)}

/* footer */
.theme-f .site-footer{background:#161f3d;border-top:1px solid var(--accent)}
.theme-f .footer-logo .logo-text{color:#fff}
.theme-f .footer-links a.strong{color:#e8d6b8}
.theme-f .footer-cs .cs-phone{font-family:var(--serif);color:#e8d6b8}
.theme-f .floating a,.theme-f .floating button{border-radius:0}
.theme-f .fl-contact{background:var(--seal)}
.theme-f .fl-call{background:var(--indigo)}

@media (max-width:1024px){
  .f-hero-grid{grid-template-columns:1fr;gap:36px}
  .f-vertical{writing-mode:horizontal-tb;border-left:0;border-bottom:1px solid var(--accent);padding:0 0 10px;font-size:15px;letter-spacing:.2em;align-self:start}
  .f-hero-img .f-seal{right:12px;bottom:-24px}
  .f-split{grid-template-columns:1fr;gap:28px}
  .f-vhead{writing-mode:horizontal-tb;border-right:0;border-bottom:1px solid var(--accent);padding:0 0 12px;letter-spacing:.06em;font-size:26px}
  .f-about{grid-template-columns:1fr;gap:36px}
  .f-closing{grid-template-columns:1fr;gap:64px}
  .f-certs{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:720px){
  .f-hero{padding:32px 0 56px}
  .f-display{font-size:28px}
  .f-lead{font-size:15.5px}
  .f-sec{padding:64px 0}
  .f-since b{font-size:64px}
  .f-stats{grid-template-columns:repeat(2,1fr);margin-top:48px}
  .f-stats>div:nth-child(3){border-left:0}
  .f-stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .f-stats dd{font-size:26px}
  .f-biz li a{grid-template-columns:96px 1fr;gap:16px}
  .f-biz strong{font-size:19px}
  .f-biz em{font-size:13.5px}
  .f-products{grid-template-columns:repeat(2,1fr);gap:26px 14px}
  .f-product strong{font-size:15.5px}
  .f-fac{grid-template-columns:1fr}
  .f-certs{grid-template-columns:repeat(2,1fr)}
  .f-cta{padding:44px 26px 32px}
  .f-cta h2{font-size:24px;max-width:none}
  .f-seal{width:66px;height:66px}
  .f-seal span{font-size:19px}
  .f-news li a{flex-direction:column;gap:2px}
}
@media (prefers-reduced-motion:reduce){.f-hero .hero-slide{transition:none}}