:root{--brand:#f07d00;--brand-dark:#c96200;--dark:#1a1a1a;--charcoal:#2a2a2a;--bg:#ffffff;--bg-gray:#f8f8f8;--bg-dark:#2a2a2a;--border:#e0e0e0;--text:#2a2a2a;--text-sub:#666;--radius:8px;--max-width:1060px;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Hiragino Kaku Gothic ProN','Meiryo',sans-serif;font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px;}
section{padding:80px 0;}
.section-title{font-size:28px;font-weight:900;text-align:center;margin-bottom:8px;}
.title-bar{width:48px;height:4px;background:var(--brand);border-radius:9px;margin:0 auto 16px;}
.section-sub{text-align:center;color:var(--text-sub);font-size:14px;margin-bottom:48px;}
.btn-brand{display:inline-block;background:var(--brand);color:#fff;padding:14px 36px;border-radius:999px;font-weight:700;font-size:16px;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;}

/* ── ヘッダー ── */
#header{position:sticky;top:0;z-index:100;background:var(--dark);}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between;}
.header-logo-name{color:#fff;font-weight:900;font-size:18px;line-height:1.2;}
.header-logo-sub{color:#999;font-size:11px;}
.header-nav{display:flex;gap:20px;}
.header-nav a{color:#ccc;font-size:14px;}
.header-nav a:hover{color:#fff;}
.header-right{display:flex;align-items:center;gap:14px;}
.header-phone{color:var(--brand);font-weight:700;font-size:17px;}
.header-cta{background:var(--brand);color:#fff;padding:8px 18px;border-radius:999px;font-size:13px;font-weight:700;}
.header-cta:hover{background:var(--brand-dark);color:#fff;}

/* ── ヒーロー ── */
#hero{padding:0;position:relative;height:580px;overflow:hidden;margin-top:0;}
#hero img.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(0,0,0,.65) 0%,rgba(0,0,0,.3) 60%,rgba(0,0,0,.1) 100%);}
.hero-content{position:relative;z-index:1;height:100%;display:flex;align-items:center;}
.hero-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;width:100%;}
.hero-badge{display:inline-block;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px;margin-bottom:16px;}
.hero-title{font-size:40px;font-weight:900;line-height:1.35;color:#fff;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,.5);}
.hero-sub{font-size:15px;color:rgba(255,255,255,.9);margin-bottom:28px;}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap;}
.btn-outline-white{display:inline-block;border:2px solid #fff;color:#fff;padding:12px 28px;border-radius:999px;font-weight:700;font-size:14px;}
.btn-outline-white:hover{background:rgba(255,255,255,.15);color:#fff;}
.trust-bar{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.55);padding:12px 24px;display:flex;justify-content:center;gap:40px;}
.trust-item{color:#fff;font-size:13px;display:flex;align-items:center;gap:6px;}
.trust-check{color:var(--brand);}

/* ── 業務内容 ── */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.svc-card{background:#fff;border-radius:14px;box-shadow:0 2px 12px rgba(0,0,0,.08);padding:28px 20px;text-align:center;transition:box-shadow .2s;}
.svc-card:hover{box-shadow:0 4px 24px rgba(0,0,0,.14);}
.svc-num{width:40px;height:40px;border-radius:50%;background:#fff3e8;color:var(--brand);font-weight:900;font-size:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;}
.svc-img-wrap{position:relative;width:100%;aspect-ratio:4/3;border-radius:8px;overflow:hidden;margin-bottom:14px;}
.svc-img{width:100%;height:100%;object-fit:cover;}
.svc-num-badge{position:absolute;top:8px;left:8px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;font-weight:900;font-size:13px;display:flex;align-items:center;justify-content:center;}
.svc-title{font-weight:700;font-size:16px;margin-bottom:10px;}
.svc-body{color:var(--text-sub);font-size:13px;line-height:1.7;}
.svc-link{color:var(--brand);font-size:13px;font-weight:700;margin-top:12px;display:block;}

/* ── 施工事例（ビフォーアフター） ── */
#works{background:var(--bg-dark);}
#works .section-title{color:#fff;}
#works .section-sub{color:#888;}
.works-ba-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.works-ba-card{background:#333;border-radius:10px;overflow:hidden;}
.ba-row{display:flex;align-items:center;gap:6px;padding:8px;}
.ba-photo{position:relative;flex:1;aspect-ratio:4/3;background:#444;border-radius:6px;overflow:hidden;}
.ba-photo img{width:100%;height:100%;object-fit:cover;}
.ba-placeholder{display:flex;align-items:center;justify-content:center;color:#666;font-size:12px;}
.ba-label{position:absolute;top:6px;left:6px;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;}
.before-label{background:rgba(0,0,0,.65);color:#ccc;}
.after-label{background:var(--brand);color:#fff;}
.ba-arrow{color:var(--brand);font-size:22px;font-weight:900;flex-shrink:0;}
.ba-meta{padding:8px 12px 12px;display:flex;align-items:center;gap:10px;}
.works-tag-inline{background:var(--brand);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;flex-shrink:0;}
.ba-caption{color:#ccc;font-size:13px;font-weight:700;}

/* ── 選ばれる理由 ── */
#whyus{background:var(--bg-gray);}
.whyus-header{display:flex;align-items:center;gap:12px;margin-bottom:40px;}
.whyus-accent{width:6px;height:32px;background:var(--brand);border-radius:3px;flex-shrink:0;}
.whyus-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.whyus-card{background:#fff;border-radius:14px;box-shadow:0 2px 12px rgba(0,0,0,.07);padding:28px 20px;text-align:center;}
.whyus-icon{width:60px;height:60px;border-radius:50%;background:#fff3e8;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:22px;}
.whyus-title{font-weight:700;font-size:15px;margin-bottom:10px;}
.whyus-body{color:var(--text-sub);font-size:13px;line-height:1.7;}

/* ── お客様の声 ── */
.voices-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.voice-card{background:#fff;border-radius:14px;box-shadow:0 2px 12px rgba(0,0,0,.08);padding:24px;}
.voice-stars{color:var(--brand);font-size:18px;margin-bottom:12px;}
.voice-text{color:#444;font-size:13px;line-height:1.8;margin-bottom:14px;}
.voice-name{color:#aaa;font-size:12px;}

/* ── 会社概要 ── */
.overview-table{width:100%;border-collapse:collapse;font-size:15px;}
.overview-table tr{border-bottom:1px solid var(--border);}
.overview-table th{width:160px;padding:16px 20px;text-align:left;font-weight:700;color:var(--brand);background:var(--bg-gray);vertical-align:top;}
.overview-table td{padding:16px 20px;vertical-align:top;}

/* ── FAQ ── */
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:18px 0;font-size:16px;font-weight:700;cursor:pointer;display:flex;gap:12px;align-items:baseline;color:var(--text);font-family:inherit;}
.faq-q::before{content:'Q.';color:var(--brand);flex-shrink:0;}
.faq-q::after{content:'＋';margin-left:auto;font-weight:400;color:var(--text-sub);}
.faq-item.open .faq-q::after{content:'－';}
.faq-a{display:none;padding:0 0 18px 28px;font-size:15px;color:var(--text-sub);}
.faq-item.open .faq-a{display:block;}

/* ── アクセス ── */
.map-wrap{width:100%;height:380px;border-radius:10px;overflow:hidden;border:1px solid var(--border);}
.map-wrap iframe{width:100%;height:100%;border:0;}
.access-table{width:100%;border-collapse:collapse;font-size:15px;margin-top:28px;}
.access-table tr{border-bottom:1px solid var(--border);}
.access-table th{width:140px;padding:14px 16px;font-weight:700;color:var(--brand);background:var(--bg-gray);text-align:left;vertical-align:top;}
.access-table td{padding:14px 16px;vertical-align:top;}

/* ── CTA ── */
#cta{background:#1a2a3a;text-align:center;}
#cta h2{color:#fff;font-size:26px;font-weight:900;margin-bottom:12px;}
#cta p{color:#aaa;font-size:14px;margin-bottom:28px;}
.cta-address{color:#888;font-size:13px;margin-top:16px;}

/* ── フッター ── */
footer{background:#111;padding:48px 24px 0;}
.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px;padding-bottom:32px;}
.footer-name{color:#fff;font-weight:900;font-size:18px;margin-bottom:6px;}
.footer-tagline{color:#888;font-size:13px;margin-bottom:4px;}
.footer-addr{color:#666;font-size:12px;}
.footer-nav{display:flex;flex-direction:column;gap:10px;}
.footer-nav a{color:#888;font-size:14px;}
.footer-phone{color:#fff;font-size:20px;font-weight:700;margin-top:10px;}
.footer-hours{color:#888;font-size:12px;margin-top:4px;}
.footer-bottom{border-top:1px solid #222;padding:18px 0;text-align:center;color:#555;font-size:12px;}

/* ── 工事の流れ ── */
#flow{background:var(--bg-gray);}
.flow-list{max-width:700px;margin:0 auto;display:flex;flex-direction:column;}
.flow-item{display:flex;align-items:flex-start;gap:24px;padding:24px 0;border-bottom:1px solid var(--border);}
.flow-item:last-child{border-bottom:none;}
.flow-step-num{flex-shrink:0;width:88px;background:var(--brand);color:#fff;font-size:11px;font-weight:900;text-align:center;padding:6px 0;border-radius:4px;letter-spacing:.08em;}
.flow-step-title{font-weight:700;font-size:16px;margin-bottom:6px;}
.flow-step-desc{color:var(--text-sub);font-size:13px;line-height:1.7;}

/* ── 料金の目安 ── */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px;}
.price-card{background:#fff;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.08);padding:24px 16px;text-align:center;}
.price-name{font-weight:700;font-size:14px;margin-bottom:12px;color:var(--text);}
.price-range{font-size:26px;font-weight:900;color:var(--brand);margin-bottom:8px;}
.price-note{font-size:11px;color:var(--text-sub);}
.price-footer-note{text-align:center;font-size:12px;color:var(--text-sub);margin-top:12px;}

/* ── 施工保証 ── */
#guarantee{background:var(--bg-dark);}
#guarantee .section-title{color:#fff;}
.guarantee-wrap{display:flex;align-items:flex-start;gap:40px;max-width:760px;margin:0 auto;}
.guarantee-badge{flex-shrink:0;width:160px;background:var(--brand);border-radius:12px;padding:28px 16px;text-align:center;}
.guarantee-years-label{color:rgba(255,255,255,.85);font-size:12px;font-weight:700;margin-bottom:8px;}
.guarantee-years-num{color:#fff;font-size:48px;font-weight:900;line-height:1;}
.guarantee-years-unit{color:rgba(255,255,255,.85);font-size:14px;font-weight:700;}
.guarantee-content{flex:1;}
.guarantee-scope{list-style:none;padding:0;margin-bottom:16px;}
.guarantee-scope li{padding:10px 0;border-bottom:1px solid #3a3a3a;color:#ccc;font-size:14px;}
.guarantee-scope li::before{content:'✓ ';color:var(--brand);}
.guarantee-detail{color:#aaa;font-size:14px;line-height:1.8;margin-bottom:8px;}
.guarantee-note{color:#666;font-size:12px;}

/* ── 代表者紹介 ── */
#rep{background:var(--bg-gray);}
.rep-wrap{display:flex;gap:48px;align-items:flex-start;max-width:800px;margin:0 auto;}
.rep-photo-wrap{flex-shrink:0;}
.rep-photo{width:180px;height:180px;border-radius:50%;object-fit:cover;border:4px solid var(--brand);}
.rep-name{font-size:22px;font-weight:900;margin-bottom:4px;}
.rep-corp{font-size:13px;color:var(--text-sub);margin-bottom:20px;}
.rep-career{font-size:14px;line-height:1.8;color:var(--text-sub);margin-bottom:16px;}
.rep-message{font-size:15px;line-height:1.9;padding:20px 24px;background:#fff;border-radius:0 8px 8px 0;border-left:4px solid var(--brand);}

/* ── FV 代表者アイコン ── */
.hero-rep{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.hero-rep-avatar{width:52px;height:52px;border-radius:50%;object-fit:cover;border:2px solid var(--brand);flex-shrink:0;}
.hero-rep-label{color:rgba(255,255,255,.85);font-size:13px;font-weight:700;}

/* ── レスポンシブ ── */
@media(max-width:768px){
  .services-grid,.whyus-grid{grid-template-columns:repeat(2,1fr);}
  .works-ba-grid,.voices-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .hero-title{font-size:26px;}
  .trust-bar{gap:16px;}
  .header-nav{display:none;}
  .price-grid{grid-template-columns:repeat(2,1fr);}
  .guarantee-wrap{flex-direction:column;align-items:center;}
  .rep-wrap{flex-direction:column;align-items:center;text-align:center;}
}
@media(max-width:480px){
  .services-grid,.whyus-grid{grid-template-columns:1fr;}
  .trust-bar{flex-direction:column;gap:8px;align-items:center;}
  .price-grid{grid-template-columns:1fr;}
}