/* 機能の全体像：トップの工事の流れ（.fcar）と、機能ページ（.fp）
   色は各ページの body に付けた .feat-nk（塗カルテ）/ .feat-hk（ハクコミ）で切り替える */
.feat-nk{--f-grad:linear-gradient(100deg,#1B7A4B 0%,#0f5a5c 55%,#0A2C55 100%);--f-grad-v:linear-gradient(160deg,#1B7A4B 20%,#0A2C55 80%);--f-main:#1B7A4B;--f-soft:#d8ecdc;--f-sub:#0A2C55;--f-accent:#c5e89a;--f-ink:#222;--f-muted:#4a5260;--f-paper:#FAF8F4;--f-card:#EEF1EC}
.feat-hk{--f-grad:linear-gradient(100deg,#E8762E 0%,#B9541A 60%,#1F2229 100%);--f-grad-v:linear-gradient(160deg,#E8762E 20%,#7a3612 85%);--f-main:#B9541A;--f-soft:#fbe6d6;--f-sub:#1F2229;--f-accent:#ffd3b0;--f-ink:#1F2229;--f-muted:#4F5664;--f-paper:#F7F7F5;--f-card:#EEF0F3}

/* ---------- 工事の流れ（駅と線路） ---------- */
.fcar{padding:72px 0 64px;background:var(--f-paper);color:var(--f-ink);font-family:"Noto Sans JP",sans-serif}
.fcar-in{max-width:1180px;margin:0 auto;padding:0 20px}
.fcar-head{text-align:center}
.fcar-head h2{margin:0;font-size:clamp(26px,4vw,36px);font-weight:900;color:var(--f-sub);line-height:1.4}
.fcar-head p{margin:8px auto 0;max-width:720px;font-size:17px;line-height:1.8;color:var(--f-muted)}
.fl-line{position:relative;display:grid;grid-template-columns:repeat(var(--cols),1fr);margin:36px 0 26px;padding:0;list-style:none}
.fl-line::before{content:"";position:absolute;left:calc(50% / var(--cols));right:calc(50% / var(--cols));top:25px;height:4px;background:repeating-linear-gradient(90deg,var(--f-main) 0 18px,transparent 18px 26px)}
.fl-st{position:relative;text-align:center}
.fl-st button{display:flex;flex-direction:column;align-items:center;width:100%;min-height:44px;padding:0 2px;border:0;background:none;cursor:pointer;font:inherit;color:inherit}
.fl-dot{width:54px;height:54px;border-radius:50%;background:#fff;border:4px solid var(--f-main);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:17px;color:var(--f-main);transition:background .2s,color .2s,box-shadow .2s;box-sizing:border-box}
.fl-st button[aria-selected="true"] .fl-dot{background:var(--f-main);color:#fff;box-shadow:0 0 0 8px var(--f-soft)}
.fl-st button:hover .fl-dot{box-shadow:0 0 0 6px var(--f-soft)}
.fl-st b{display:block;margin-top:8px;font-size:16px;line-height:1.4;color:var(--f-sub)}
.fl-st small{display:block;font-size:16px;color:var(--f-muted)}
.fl-panel{position:relative;display:grid;grid-template-columns:1fr;gap:20px;align-items:center;background:var(--f-grad);color:#fff;border-radius:24px;padding:24px;box-shadow:0 14px 34px rgba(20,30,50,.18)}
.fl-panel[hidden]{display:none}
.fl-panel::before{content:"";position:absolute;top:-14px;left:var(--arrow,10%);margin-left:-14px;border:14px solid transparent;border-top:0;border-bottom-color:var(--f-main)}
.fl-step{color:var(--f-accent);font-weight:700;font-size:16px}
.fl-panel h3{margin:6px 0 10px;font-size:clamp(24px,3vw,30px);font-weight:900;line-height:1.35}
.fl-panel p{margin:0 0 16px;font-size:17px;line-height:1.8}
.fl-go{display:inline-flex;align-items:center;min-height:48px;padding:0 24px;border-radius:99px;background:var(--f-accent);color:var(--f-sub);font-weight:700;font-size:16px;text-decoration:none}
.fl-shot{display:block;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 12px 30px rgba(0,0,0,.28);aspect-ratio:16/10}
.fl-shot img,.fl-shot video{display:block;width:100%;height:100%;object-fit:cover;object-position:top}
.fl-nav{display:flex;justify-content:space-between;margin-top:14px}
.fl-nav button{min-height:44px;padding:0 18px;border-radius:99px;border:0;background:#fff;color:var(--f-sub);font:inherit;font-weight:700;font-size:16px;cursor:pointer;box-shadow:0 2px 8px rgba(20,30,50,.12)}
.fl-nav button:disabled{opacity:.4;cursor:default}
.fl-all{margin:22px 0 0;text-align:center}
.fl-all a{display:inline-flex;align-items:center;min-height:48px;padding:0 26px;border-radius:99px;background:#fff;color:var(--f-sub);font-weight:700;font-size:16px;text-decoration:none;box-shadow:0 2px 10px rgba(20,30,50,.12)}
@media (max-width:599px){
  .fl-line::before{top:21px}
  .fl-dot{width:46px;height:46px;font-size:16px}
  .fl-st small{display:none}
  .fl-st b{font-size:16px;letter-spacing:-.04em}
}
@media (min-width:900px){
  .fl-panel{grid-template-columns:1fr 1.2fr;gap:36px;padding:36px}
  .fl-nav{display:none}
}
@media (prefers-reduced-motion:reduce){.fl-dot{transition:none}}

/* ---------- 機能ページ ---------- */
.fp{margin:0;background:var(--f-paper);color:var(--f-ink);font-family:"Noto Sans JP",sans-serif;font-size:16px;line-height:1.8}
.fp a{color:inherit}
.fp-bar{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.fp-bar .in{max-width:1180px;margin:0 auto;padding:0 16px;height:60px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.fp-logo{display:inline-flex;align-items:center;min-height:44px;font-weight:900;font-size:20px;text-decoration:none;color:var(--f-sub)}
.fp-logo small{font-size:14px;font-weight:700;color:var(--f-muted);margin-left:8px}
.fp-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:99px;font-weight:700;font-size:16px;text-decoration:none}
.fp-btn.p{background:var(--f-main);color:#fff}
.fp-btn.l{background:var(--f-accent);color:var(--f-sub)}
.fp-btn.w{background:#fff;color:var(--f-sub)}
.fp-bar .fp-btn{min-height:44px;padding:0 18px;font-size:16px}
.fp-hero{background:var(--f-grad);color:#fff;text-align:center;padding:56px 16px 44px}
.fp-hero .crumb{font-size:16px;margin:0 0 10px}
.fp-hero .crumb a{color:#fff;display:inline-flex;align-items:center;min-height:44px}
.fp-hero h1{margin:0 0 10px;font-size:clamp(30px,5vw,46px);font-weight:900;line-height:1.3}
.fp-hero p{max-width:680px;margin:0 auto 24px;font-size:17px}
.fp-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.fp-tabs{position:sticky;top:60px;z-index:10;background:var(--f-sub);display:flex;overflow-x:auto;scrollbar-width:none}
.fp-tabs::-webkit-scrollbar{display:none}
.fp-tabs a{flex:1 0 auto;min-height:52px;padding:0 18px;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;font-weight:700;font-size:16px;white-space:nowrap}
.fp-tabs a span{color:var(--f-accent);margin-right:6px;font-size:16px}
.fp-tabs a.on{background:var(--f-main)}
.fp-main{max-width:1180px;margin:0 auto;padding:0 16px}
.fp-sec{padding:64px 0 16px;scroll-margin-top:112px}
.fp-num{display:inline-block;background:var(--f-main);color:#fff;font-weight:900;border-radius:10px;padding:2px 12px;font-size:16px}
.fp-sec h2{margin:10px 0 6px;font-size:clamp(25px,3.6vw,34px);font-weight:900;color:var(--f-sub);line-height:1.4}
.fp-lead{max-width:780px;margin:0 0 26px;font-size:17px;color:var(--f-muted)}
.fp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.fp-card{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 6px 22px rgba(20,30,50,.10)}
.fp-mv{aspect-ratio:16/10;background:var(--f-sub);overflow:hidden}
.fp-mv video,.fp-mv img{display:block;width:100%;height:100%;object-fit:cover;object-position:top}
.fp-card .tx{padding:18px 20px 22px}
.fp-card h3{margin:0 0 6px;font-size:19px;line-height:1.5;color:var(--f-sub)}
.fp-card p{margin:0;font-size:16px;color:var(--f-muted)}
.fp-rel{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.fp-rel b{width:100%;font-size:16px;color:var(--f-sub)}
.fp-rel span{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:99px;background:var(--f-soft);color:var(--f-main);font-weight:700;font-size:16px}
.fp-note{margin:40px 0 0;font-size:16px;color:var(--f-muted)}
.fp-cta{background:var(--f-grad);color:#fff;text-align:center;padding:52px 16px;margin-top:56px}
.fp-cta h2{margin:0 0 8px;font-size:clamp(22px,3.4vw,30px);font-weight:900}
.fp-cta p{margin:0 0 20px;font-size:16px}
.fp-foot{background:var(--f-sub);color:#fff;padding:28px 16px;text-align:center;font-size:16px}
.fp-foot a{color:#fff;margin:0 8px;display:inline-flex;align-items:center;min-height:44px}
@media (max-width:600px){.fp-bar .fp-logo small{display:none}.fp-sec{padding-top:48px}}