:root{
    --ink:#0d0f0e;
    --ink2:#161a18;
    --char:#1d2421;
    --green:#1ed894;
    --green-d:#13b87a;
    --green-soft:#e7fbf3;
    --gray:#6b746f;
    --line:#e6e9e7;
    --bg:#f6f8f7;
    --white:#ffffff;
    --display:"Bodoni Moda",serif;
    --gothic:"Zen Kaku Gothic New",sans-serif;
  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --ease-in:cubic-bezier(0.7,0,0.84,0);
  --ease-in-out:cubic-bezier(0.65,0,0.35,1);
  --dur-micro:180ms;
  --dur-base:280ms;
  --dur-page:360ms;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:var(--gothic);color:var(--ink);background:var(--white);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:1160px;margin:0 auto;padding:0 24px}

  .sec-head{margin-bottom:54px}
  .sec-head.center{text-align:center}
  .sec-head .en{display:block;font-family:var(--display);font-style:italic;font-weight:500;color:var(--green-d);letter-spacing:.06em;font-size:17px;margin-bottom:8px}
  .sec-head .ja{font-weight:900;font-size:clamp(26px,4vw,40px);color:var(--ink);letter-spacing:.02em;position:relative;display:inline-block;padding-bottom:18px}
  .sec-head .ja::after{content:"";position:absolute;left:0;bottom:0;width:54px;height:4px;background:var(--green)}
  .sec-head.center .ja::after{left:50%;transform:translateX(-50%)}

  .btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;padding:17px 40px;border-radius:2px;transition:var(--dur-micro) var(--ease-out);letter-spacing:.04em}
  .btn-green{background:var(--green);color:var(--ink);box-shadow:0 10px 26px rgba(30,216,148,.32)}
  .btn-green:hover{background:var(--green-d);color:#fff;transform:translateY(-2px)}
  .btn-dark{background:var(--ink);color:#fff}
  .btn-dark:hover{background:var(--green);color:var(--ink)}
  .btn-ghost{border:1.5px solid var(--ink);color:var(--ink)}
  .btn-ghost:hover{background:var(--ink);color:#fff}

  /* header */
  header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);transition:var(--dur-base) var(--ease-in-out);padding:0;border-bottom:1px solid var(--line)}
  header.scrolled{box-shadow:0 6px 24px rgba(13,15,14,.08)}
  .hdr-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
  .logo{display:flex;align-items:center;gap:13px}
  .logo img{height:46px;width:auto}
  .logo .txt{font-family:var(--display);font-weight:700;font-size:26px;color:var(--ink);letter-spacing:.04em;line-height:1}
  .logo .txt small{display:block;font-family:var(--gothic);font-weight:500;font-size:9.5px;color:var(--gray);letter-spacing:.18em;margin-top:3px}
  .logo .txt small b{color:var(--green);font-weight:700}
  .nav{display:flex;align-items:center;gap:25px}
  .nav a{font-size:14.5px;font-weight:500;color:var(--ink);transition:var(--dur-micro) var(--ease-out)}
  .nav a:hover{color:var(--green)}
  .hdr-cta{display:flex;align-items:center;gap:18px}
  .hdr-tel{text-align:right;line-height:1.15}
  .hdr-tel .num{font-family:var(--display);font-weight:700;font-size:22px;color:var(--ink);letter-spacing:.02em}
  .hdr-tel .num::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:7px;vertical-align:middle}
  .hdr-tel small{font-size:10.5px;color:var(--gray)}
  .hdr-btn{background:var(--green);color:var(--ink);padding:11px 22px;border-radius:2px;font-weight:700;font-size:14px;transition:var(--dur-micro) var(--ease-out)}
  .hdr-btn:hover{background:#fff}
  .burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
  .burger span{width:26px;height:2px;background:var(--ink);transition:var(--dur-base) var(--ease-out)}

  /* hero */
  .hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--bg)}
  .hero-bg{position:absolute;inset:0;z-index:0}
  .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:1}
  .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 44%,rgba(255,255,255,.55) 100%)}
  .hero-ghost{position:absolute;right:-60px;top:50%;transform:translateY(-50%);height:115%;opacity:.05;z-index:1;pointer-events:none}
  .hero-inner{position:relative;z-index:3;color:var(--ink);padding-top:74px}
  .hero .tagline{display:inline-block;font-family:var(--display);font-style:italic;color:var(--green-d);font-size:17px;letter-spacing:.05em;margin-bottom:22px;border-left:3px solid var(--green);padding-left:15px;opacity:0;animation:fadeUp var(--dur-page) var(--ease-out) .2s forwards}
  .hero h1{font-weight:900;font-size:clamp(33px,6vw,60px);line-height:1.4;letter-spacing:.02em;margin-bottom:26px;color:var(--ink);opacity:0;animation:fadeUp var(--dur-page) var(--ease-out) .4s forwards}
  .hero h1 .accent{color:var(--green-d)}
  .hero p.lead{font-size:18px;line-height:2;max-width:560px;color:var(--gray);margin-bottom:40px;opacity:0;animation:fadeUp var(--dur-page) var(--ease-out) .6s forwards}
  .hero-actions{display:flex;gap:16px;flex-wrap:wrap;opacity:0;animation:fadeUp var(--dur-page) var(--ease-out) .8s forwards}
  .hero-badges{display:flex;gap:34px;margin-top:56px;flex-wrap:wrap;opacity:0;animation:fadeUp var(--dur-page) var(--ease-out) 1s forwards}
  .hero-badge .n{font-family:var(--display);font-weight:700;font-size:34px;color:var(--green-d);line-height:1}
  .hero-badge .n small{font-size:17px;color:var(--ink)}
  .hero-badge .l{font-size:12.5px;color:var(--gray);letter-spacing:.06em;margin-top:7px}
  @keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

  /* gates */
  .gates{margin-top:-58px;position:relative;z-index:5;padding:54px 0 54px}
  .gates-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .gate{background:#fff;border-radius:6px;padding:40px 38px 34px;box-shadow:0 22px 54px rgba(13,15,14,.13);border-bottom:4px solid var(--green);transition:var(--dur-base) var(--ease-out)}
  .gate:hover{transform:translateY(-6px);box-shadow:0 30px 64px rgba(13,15,14,.18)}
  .gate .tag{display:inline-block;background:var(--ink);color:#fff;font-size:12px;font-weight:700;padding:5px 14px;border-radius:2px;letter-spacing:.1em;margin-bottom:18px}
  .gate h3{font-weight:900;font-size:23px;color:var(--ink);margin-bottom:14px}
  .gate p{font-size:14.5px;color:var(--gray);line-height:1.9;margin-bottom:22px}
  .gate .more{color:var(--green-d);font-weight:700;font-size:14px}
  .gate .more::after{content:" →";transition:var(--dur-micro) var(--ease-out)}
  .gate:hover .more::after{margin-left:5px}

  /* reasons */
  .reasons{background:var(--bg);padding:100px 0}
  .reasons-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
  .reason{background:#fff;border-radius:6px;padding:44px 30px;text-align:center;border:1px solid var(--line);transition:var(--dur-base) var(--ease-out);position:relative;overflow:hidden}
  .reason::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:var(--dur-base) var(--ease-in-out)}
  .reason:hover{box-shadow:0 18px 44px rgba(13,15,14,.1);transform:translateY(-4px)}
  .reason:hover::before{transform:scaleX(1)}
  .reason .ico{width:76px;height:76px;margin:0 auto 22px;background:var(--ink);border-radius:50%;display:grid;place-items:center}
  .reason .ico svg{width:36px;height:36px;stroke:var(--green);fill:none;stroke-width:1.6}
  .reason .no{font-family:var(--display);font-style:italic;color:var(--green-d);font-size:15px;font-weight:500;margin-bottom:6px}
  .reason h3{font-weight:900;font-size:20px;color:var(--ink);margin-bottom:14px;line-height:1.5}
  .reason p{font-size:14px;color:var(--gray);line-height:1.85}

  /* biz */
  .biz{padding:100px 0}
  .biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .biz-card{position:relative;border-radius:6px;overflow:hidden;min-height:380px;display:flex;align-items:flex-end;box-shadow:0 14px 34px rgba(13,15,14,.13)}
  .biz-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:500ms var(--ease-out);z-index:0}
  .biz-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(13,15,14,.95) 0%,rgba(13,15,14,.5) 48%,rgba(13,15,14,.1) 100%);z-index:1}
  .biz-card:hover img{transform:scale(1.08)}
  .biz-card .body{position:relative;z-index:2;padding:34px;color:#fff;width:100%}
  .biz-card .en{font-family:var(--display);font-style:italic;color:var(--green);font-size:16px;font-weight:500}
  .biz-card h3{font-weight:900;font-size:25px;margin:5px 0 12px}
  .biz-card p{font-size:14px;color:#dde4e1;line-height:1.85}
  .biz-card .more{display:inline-block;margin-top:16px;font-size:13px;font-weight:700;color:#fff;border-bottom:2px solid var(--green);padding-bottom:2px}

  /* before/after */
  .ba{background:var(--bg);padding:100px 0;position:relative;overflow:hidden}
  .ba .ghost{position:absolute;left:-80px;bottom:-60px;height:520px;opacity:.04;pointer-events:none}
  .ba .sec-head .ja{color:var(--ink)}
  .ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;z-index:2}
  .ba-card{background:#fff;border-radius:6px;overflow:hidden;border:1px solid var(--line);box-shadow:0 10px 30px rgba(13,15,14,.06)}
  .ba-imgs{display:grid;grid-template-columns:1fr 1fr;gap:2px}
  .ba-imgs figure{position:relative;aspect-ratio:1/1;overflow:hidden}
  .ba-imgs figure img{width:100%;height:100%;object-fit:cover}
  .ba-imgs figure span{position:absolute;top:8px;left:8px;background:rgba(13,15,14,.85);color:#fff;font-size:10px;font-weight:700;padding:3px 9px;border-radius:2px;letter-spacing:.08em}
  .ba-imgs figure.after span{background:var(--green);color:var(--ink)}
  .ba-card .cap{padding:20px 22px;color:var(--ink)}
  .ba-card .cap .type{display:inline-block;background:var(--green);color:var(--ink);font-size:11px;font-weight:700;padding:3px 10px;border-radius:2px;margin-bottom:10px}
  .ba-card .cap h4{font-weight:700;font-size:17px;margin-bottom:6px}
  .ba-card .cap p{font-size:12.5px;color:var(--gray)}
  .ba-cta{text-align:center;margin-top:50px;position:relative;z-index:2}

  /* flow */
  .flow{padding:100px 0;background:var(--bg)}
  .flow-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
  .flow-step{background:#fff;border-radius:6px;padding:34px 18px 26px;text-align:center;border:1px solid var(--line);position:relative}
  .flow-step .num{position:absolute;top:-17px;left:50%;transform:translateX(-50%);width:36px;height:36px;background:var(--green);color:var(--ink);border-radius:50%;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:17px}
  .flow-step .ico{width:54px;height:54px;margin:14px auto 16px;background:var(--bg);border-radius:50%;display:grid;place-items:center}
  .flow-step .ico svg{width:28px;height:28px;stroke:var(--ink);fill:none;stroke-width:1.6}
  .flow-step h4{font-size:15px;color:var(--ink);font-weight:700;line-height:1.4}
  .flow-step p{font-size:12px;color:var(--gray);margin-top:8px;line-height:1.6}

  /* check */
  .check{padding:100px 0}
  .check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .check-card{border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:var(--dur-base) var(--ease-out)}
  .check-card:hover{box-shadow:0 16px 38px rgba(13,15,14,.12);border-color:var(--green)}
  .check-card .top{background:var(--ink);color:#fff;padding:16px 20px;font-weight:700;font-size:17px;display:flex;align-items:center;gap:10px}
  .check-card .top span{color:var(--green);font-size:14px}
  .check-card ul{list-style:none;padding:20px 22px}
  .check-card li{font-size:13.5px;color:var(--ink);padding-left:24px;position:relative;margin-bottom:12px;line-height:1.6}
  .check-card li::before{content:"\2713";position:absolute;left:0;color:var(--green-d);font-weight:700}

  /* price */
  .price{padding:100px 0;background:var(--bg)}
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:30px}
  .price-card{background:#fff;border-radius:6px;padding:32px 26px;text-align:center;border:1px solid var(--line);border-top:4px solid var(--ink);transition:var(--dur-base) var(--ease-out)}
  .price-card:hover{border-top-color:var(--green);transform:translateY(-4px);box-shadow:0 16px 38px rgba(13,15,14,.1)}
  .price-card h4{font-weight:900;font-size:18px;color:var(--ink);margin-bottom:6px}
  .price-card .note{font-size:12px;color:var(--gray);margin-bottom:18px;min-height:32px}
  .price-card .val{font-family:var(--display);font-weight:700;font-size:34px;color:var(--green-d);line-height:1}
  .price-card .val small{font-size:15px;color:var(--ink);font-weight:600}
  .price-note{text-align:center;font-size:13px;color:var(--gray)}

  /* faq */
  .faq{padding:100px 0}
  .faq-list{max-width:840px;margin:0 auto}
  .faq-item{border:1px solid var(--line);border-radius:6px;margin-bottom:14px;overflow:hidden;background:#fff}
  .faq-q{display:flex;align-items:center;gap:14px;padding:22px 26px;cursor:pointer;font-weight:700;font-size:16px;color:var(--ink);transition:var(--dur-micro) var(--ease-out)}
  .faq-q:hover{background:var(--bg)}
  .faq-q .mark{font-family:var(--display);color:var(--green-d);font-size:22px;font-weight:700;flex-shrink:0;font-style:italic}
  .faq-q .arr{margin-left:auto;transition:var(--dur-base) var(--ease-out);color:var(--gray)}
  .faq-item.open .faq-q .arr{transform:rotate(180deg)}
  .faq-a{max-height:0;overflow:hidden;transition:var(--dur-base) var(--ease-in-out);background:var(--bg)}
  .faq-item.open .faq-a{max-height:320px}
  .faq-a .inner{padding:20px 26px 24px 56px;font-size:14.5px;color:var(--gray);line-height:1.9}

  /* about */
  .about{padding:100px 0;background:var(--bg);color:var(--ink);position:relative;overflow:hidden}
  .about .ghost{position:absolute;right:-70px;top:-40px;height:480px;opacity:.04;pointer-events:none}
  .about .sec-head .ja{color:var(--ink)}
  .about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;position:relative;z-index:2}
  .about-text h3{font-weight:900;font-size:26px;margin-bottom:20px;line-height:1.6}
  .about-text h3 .accent{color:var(--green-d)}
  .about-text p{font-size:15px;color:var(--gray);line-height:2;margin-bottom:18px}
  .about-table{width:100%;border-collapse:collapse;font-size:14px}
  .about-table th,.about-table td{text-align:left;padding:15px 8px;border-bottom:1px solid var(--line)}
  .about-table th{color:var(--green-d);font-weight:700;width:120px}
  .about-table td{color:var(--ink)}

  /* cta band */
  .cta-band{position:relative;padding:88px 0;text-align:center;color:#fff;background:var(--green-d)}
  .cta-band::before{content:"";position:absolute;inset:0;background:url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?w=1600&q=70') center/cover;opacity:.12;mix-blend-mode:luminosity}
  .cta-band .inner{position:relative;z-index:2}
  .cta-band h2{font-weight:900;font-size:clamp(24px,3.5vw,34px);margin-bottom:16px;line-height:1.5}
  .cta-band p{font-size:15px;color:#eafff7;margin-bottom:34px}
  .cta-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
  .cta-tel{background:#fff;color:var(--ink);padding:18px 40px;border-radius:4px}
  .cta-tel .num{font-family:var(--display);font-weight:700;font-size:30px;line-height:1}
  .cta-tel small{display:block;font-size:12px;color:var(--gray);margin-top:4px}

  /* footer */
  footer{background:var(--ink);color:#ccd4d0;padding:62px 0 0;border-top:3px solid var(--green)}
  .ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px}
  .ftr-logo{display:flex;align-items:center;gap:13px;margin-bottom:18px}
  .ftr-logo img{height:40px;background:#fff;border-radius:9px;padding:5px}
  .ftr-logo .txt{font-family:var(--display);font-weight:700;font-size:24px;color:#fff}
  .ftr-info p{font-size:13.5px;line-height:1.9;color:#9aa5a0}
  .ftr-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
  .ftr-col ul{list-style:none}
  .ftr-col li{margin-bottom:10px}
  .ftr-col a{font-size:13.5px;color:#9aa5a0;transition:var(--dur-micro) var(--ease-out)}
  .ftr-col a:hover{color:var(--green)}
  .ftr-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:12px;color:#6b746f}

  /* mobile cta */
  .mobile-cta{display:none;position:fixed;bottom:0;left:0;width:100%;z-index:999;grid-template-columns:1fr 1fr}
  .mobile-cta a{padding:16px;text-align:center;font-weight:700;font-size:15px}
  .mobile-cta .m-tel{background:var(--ink);color:#fff}
  .mobile-cta .m-mail{background:var(--green);color:var(--ink)}

  /* trust bar (信頼バッジ) */
  .trust{background:#fff;padding:34px 0;border-bottom:1px solid var(--line)}
  .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .trust-item{display:flex;align-items:center;gap:16px;color:var(--ink);justify-content:center}
  .trust-item .ic{width:50px;height:50px;flex-shrink:0;border-radius:50%;background:var(--green-soft);display:grid;place-items:center}
  .trust-item .ic svg{width:26px;height:26px;stroke:var(--green-d);fill:none;stroke-width:1.6}
  .trust-item .v{font-family:var(--display);font-weight:700;font-size:24px;color:var(--green-d);line-height:1.1}
  .trust-item .l{font-size:12px;color:var(--gray);letter-spacing:.03em;margin-top:2px}

  /* 保証 */
  .guarantee{padding:100px 0;background:var(--bg)}
  .guar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
  .guar-card{background:#fff;border-radius:6px;padding:40px 32px;border:1px solid var(--line);text-align:center;position:relative;transition:var(--dur-base) var(--ease-out)}
  .guar-card:hover{box-shadow:0 18px 44px rgba(13,15,14,.1);transform:translateY(-4px)}
  .guar-card .badge{width:88px;height:88px;margin:0 auto 22px;border-radius:50%;background:var(--ink);display:grid;place-items:center;position:relative}
  .guar-card .badge svg{width:42px;height:42px;stroke:var(--green);fill:none;stroke-width:1.5}
  .guar-card h3{font-weight:900;font-size:21px;color:var(--ink);margin-bottom:12px}
  .guar-card p{font-size:14px;color:var(--gray);line-height:1.85}

  /* 工法図解 */
  .method{padding:100px 0;background:#fff;color:var(--ink);position:relative;overflow:hidden}
  .method .ghost{position:absolute;right:-90px;top:-50px;height:500px;opacity:.04;pointer-events:none}
  .method .sec-head .ja{color:var(--ink)}
  .method-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:42px;flex-wrap:wrap;position:relative;z-index:2}
  .method-tab{padding:12px 30px;border:1.5px solid var(--line);border-radius:40px;font-weight:700;font-size:15px;cursor:pointer;transition:var(--dur-micro) var(--ease-out);color:var(--gray)}
  .method-tab.active{background:var(--green);color:var(--ink);border-color:var(--green)}
  .method-panel{display:none;position:relative;z-index:2}
  .method-panel.active{display:block}
  .method-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .method-step{background:var(--bg);border-radius:6px;padding:28px 22px;border:1px solid var(--line);position:relative}
  .method-step .stepno{font-family:var(--display);font-style:italic;color:var(--green-d);font-size:15px;font-weight:500;margin-bottom:10px}
  .method-step h4{font-size:16px;font-weight:700;margin-bottom:10px;line-height:1.5}
  .method-step p{font-size:13px;color:var(--gray);line-height:1.8}
  .method-step .arrow{position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--green);font-size:18px;z-index:3}
  .method-step:last-child .arrow{display:none}

  /* お客様の声 */
  .voice{padding:100px 0}
  .voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
  .voice-card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:34px 30px;position:relative;transition:var(--dur-base) var(--ease-out)}
  .voice-card:hover{box-shadow:0 18px 44px rgba(13,15,14,.1);transform:translateY(-4px);border-color:var(--green)}
  .voice-card .quote{position:absolute;top:18px;right:24px;font-family:var(--display);font-style:italic;font-size:64px;color:var(--green-soft);line-height:1;pointer-events:none}
  .voice-card .stars{color:var(--green);font-size:16px;letter-spacing:2px;margin-bottom:14px}
  .voice-card .body{font-size:14.5px;color:var(--ink);line-height:1.9;margin-bottom:22px;position:relative;z-index:2}
  .voice-card .who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px}
  .voice-card .who .av{width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--green);display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:18px;flex-shrink:0}
  .voice-card .who .meta b{display:block;font-size:14px;color:var(--ink);font-weight:700}
  .voice-card .who .meta span{font-size:12px;color:var(--gray)}

  /* 無料診断バンド */
  .diag{background:var(--ink);padding:64px 0;position:relative;overflow:hidden}
  .diag .ghost{position:absolute;left:-60px;bottom:-70px;height:360px;opacity:.06;pointer-events:none}
  .diag-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;z-index:2}
  .diag-text{color:#fff;flex:1;min-width:280px}
  .diag-text .en{font-family:var(--display);font-style:italic;color:var(--green);font-size:17px}
  .diag-text h2{font-weight:900;font-size:clamp(24px,3.5vw,32px);margin:6px 0 12px;line-height:1.4}
  .diag-text p{font-size:14.5px;color:#cdd4d0;line-height:1.8}
  .diag-action{display:flex;flex-direction:column;gap:12px;flex-shrink:0}

  @media(max-width:980px){
    .nav,.hdr-tel{display:none}
    .burger{display:flex}
    .reasons-grid,.biz-grid,.flow-steps,.check-grid,.price-grid,.ba-grid{grid-template-columns:1fr 1fr}
    .biz-grid{grid-template-columns:1fr}
    .about-grid,.ftr-grid{grid-template-columns:1fr}
    .ftr-grid{gap:30px}
    .trust-grid{grid-template-columns:1fr 1fr;gap:24px}
    .guar-grid,.voice-grid{grid-template-columns:1fr}
    .method-steps{grid-template-columns:1fr 1fr}
    .method-step .arrow{display:none}
  }
  @media(max-width:640px){
    .wrap{padding:0 18px}
    .gates-grid,.biz-grid,.reasons-grid,.flow-steps,.check-grid,.price-grid,.ba-grid,.trust-grid,.method-steps{grid-template-columns:1fr}
    .hero{min-height:auto;padding:130px 0 72px}
    .hero-badges{gap:22px}
    .gates{margin-top:30px}
    .mobile-cta{display:grid}
    body{padding-bottom:54px}
    .hdr-cta .hdr-btn{display:none}
    .sec-head{margin-bottom:38px}
    .reasons,.biz,.ba,.flow,.check,.price,.faq,.about{padding:66px 0}
    .nav-open{position:fixed;top:74px;left:0;width:100%;background:var(--ink);flex-direction:column;padding:14px 20px;gap:0;display:flex;box-shadow:0 12px 30px rgba(0,0,0,.4)}
    .nav-open a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.1);width:100%}
  }
  /* ===== 複数ページ共通 ===== */

  /* パンくずリスト */
  .breadcrumb{padding:14px 0;border-bottom:1px solid var(--line);background:#fff}
  .breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:12.5px;color:var(--gray)}
  .breadcrumb li+li::before{content:"/";margin-right:6px;color:var(--line)}
  .breadcrumb a{color:var(--gray);transition:var(--dur-micro) var(--ease-out)}
  .breadcrumb a:hover{color:var(--green-d)}
  .breadcrumb [aria-current]{color:var(--ink);font-weight:500}

  /* ページヒーロー（各内部ページの上部帯） */
  .page-hero{background:var(--ink);color:#fff;padding:80px 0 60px;position:relative;overflow:hidden}
  .page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(30,216,148,.12) 0%,transparent 60%)}
  .page-hero .inner{position:relative;z-index:2}
  .page-hero .en{display:block;font-family:var(--display);font-style:italic;color:var(--green);font-size:17px;letter-spacing:.06em;margin-bottom:8px}
  .page-hero h1{font-weight:900;font-size:clamp(28px,4vw,44px);line-height:1.35;letter-spacing:.02em}
  .page-hero p{font-size:16px;color:#b0bdb8;margin-top:14px;max-width:600px;line-height:1.9}

  /* 内部ページ本文 */
  .page-body{padding:80px 0}
  .page-body h2{font-weight:900;font-size:clamp(22px,3vw,32px);color:var(--ink);margin-bottom:24px;padding-bottom:14px;border-bottom:3px solid var(--green)}
  .page-body h3{font-weight:700;font-size:20px;color:var(--ink);margin:36px 0 16px}
  .page-body p{font-size:15px;color:var(--gray);line-height:2;margin-bottom:18px}
  .page-body ul{list-style:none;margin-bottom:18px}
  .page-body ul li{font-size:15px;color:var(--gray);padding-left:20px;position:relative;margin-bottom:10px;line-height:1.8}
  .page-body ul li::before{content:"—";position:absolute;left:0;color:var(--green-d)}

  /* セクション区切り */
  .section-divider{border:none;border-top:1px solid var(--line);margin:60px 0}

  /* ===== Works（施工事例）===== */
  .works-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:42px;justify-content:center}
  .filter-btn{padding:10px 26px;border:1.5px solid var(--line);border-radius:40px;font-weight:700;font-size:14px;cursor:pointer;background:#fff;color:var(--gray);transition:var(--dur-micro) var(--ease-out)}
  .filter-btn:hover,.filter-btn.active{background:var(--green);color:var(--ink);border-color:var(--green)}
  .works-grid{display:flex;flex-wrap:wrap;gap:26px;justify-content:center}
  .work-card{flex:0 0 calc((100% - 52px) / 3)}
  .work-card{background:#fff;border-radius:6px;overflow:hidden;border:1px solid var(--line);box-shadow:0 8px 24px rgba(13,15,14,.06);transition:var(--dur-base) var(--ease-out);display:flex;flex-direction:column}
  .work-card:hover{box-shadow:0 18px 44px rgba(13,15,14,.14);transform:translateY(-4px);border-color:var(--green)}
  .work-card .thumb{position:relative;overflow:hidden;aspect-ratio:4/3}
  .work-card .thumb img{width:100%;height:100%;object-fit:cover;transition:500ms var(--ease-out)}
  .work-card:hover .thumb img{transform:scale(1.06)}
  .work-card .thumb .cat-badge{position:absolute;top:12px;left:12px;background:var(--green);color:var(--ink);font-size:11px;font-weight:700;padding:4px 10px;border-radius:2px;letter-spacing:.06em}
  .work-card .body{padding:22px 24px;flex:1;display:flex;flex-direction:column}
  .work-card .meta{font-size:12px;color:var(--gray);margin-bottom:8px}
  .work-card h3{font-weight:700;font-size:17px;color:var(--ink);margin-bottom:10px;line-height:1.5;flex:1}
  .work-card .more{font-size:13px;font-weight:700;color:var(--green-d);margin-top:14px}
  .work-card[style*="display:none"]{display:none!important}

  /* ===== Company（会社概要）===== */
  .rep-section{padding:80px 0}
  .rep-inner{display:grid;grid-template-columns:340px 1fr;gap:60px;align-items:start}
  .rep-photo{border-radius:6px;overflow:hidden;background:var(--bg);aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}
  .rep-photo .placeholder{text-align:center;color:var(--gray);font-size:14px;padding:40px}
  .rep-photo .placeholder svg{width:80px;height:80px;stroke:var(--line);fill:none;stroke-width:1;margin-bottom:16px}
  .rep-content .role{font-family:var(--display);font-style:italic;color:var(--green-d);font-size:15px;margin-bottom:8px}
  .rep-content .name{font-weight:900;font-size:32px;color:var(--ink);margin-bottom:28px;letter-spacing:.04em}
  .rep-content .message{font-size:16px;color:var(--gray);line-height:2.1;margin-bottom:20px}
  .rep-content .sign{font-family:var(--display);font-style:italic;color:var(--green-d);font-size:18px;margin-top:32px}

  /* ===== Contact（お問い合わせ）===== */
  .contact-wrap{display:grid;grid-template-columns:1fr 380px;gap:60px;align-items:start}
  .contact-form .form-group{margin-bottom:24px}
  .contact-form label{display:block;font-weight:700;font-size:14px;color:var(--ink);margin-bottom:8px}
  .contact-form label .req{display:inline-block;background:var(--green);color:var(--ink);font-size:10px;font-weight:700;padding:2px 7px;border-radius:2px;margin-left:8px;letter-spacing:.06em}
  .contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:4px;font-family:var(--gothic);font-size:15px;color:var(--ink);background:#fff;transition:var(--dur-micro) var(--ease-out);outline:none}
  .contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(30,216,148,.15)}
  .contact-form textarea{min-height:160px;resize:vertical}
  .contact-form .submit{width:100%;padding:18px;background:var(--green);color:var(--ink);font-weight:700;font-size:16px;border:none;border-radius:4px;cursor:pointer;transition:var(--dur-micro) var(--ease-out);letter-spacing:.04em;font-family:var(--gothic)}
  .contact-form .submit:hover{background:var(--green-d);color:#fff}
  .contact-form .privacy{font-size:12px;color:var(--gray);text-align:center;margin-top:14px;line-height:1.8}
  .contact-info-box{background:var(--bg);border-radius:6px;padding:36px 30px;border:1px solid var(--line)}
  .contact-info-box h3{font-weight:700;font-size:18px;color:var(--ink);margin-bottom:20px}
  .contact-info-box .tel-big{font-family:var(--display);font-weight:700;font-size:34px;color:var(--green-d);line-height:1;display:block;margin-bottom:6px}
  .contact-info-box p{font-size:13.5px;color:var(--gray);line-height:1.9;margin-bottom:16px}

  /* ===== Reasons（選ばれる理由）詳細 ===== */
  .reason-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:80px;align-items:center}
  .reason-detail:nth-child(even){direction:rtl}
  .reason-detail>*{direction:ltr}
  .reason-detail .icon-wrap{width:100px;height:100px;background:var(--ink);border-radius:50%;display:grid;place-items:center;margin-bottom:24px}
  .reason-detail .icon-wrap svg{width:48px;height:48px;stroke:var(--green);fill:none;stroke-width:1.5}
  .reason-detail .num{font-family:var(--display);font-style:italic;color:var(--green-d);font-size:15px;margin-bottom:6px}
  .reason-detail h3{font-weight:900;font-size:26px;color:var(--ink);margin-bottom:18px;line-height:1.4}
  .reason-detail p{font-size:15px;color:var(--gray);line-height:2;margin-bottom:16px}
  .reason-detail .img-side{border-radius:6px;overflow:hidden;aspect-ratio:4/3}
  .reason-detail .img-side img{width:100%;height:100%;object-fit:cover}

  @media(max-width:980px){
    .work-card{flex:0 0 calc((100% - 26px) / 2)}
    .rep-inner{grid-template-columns:1fr}
    .rep-photo{max-width:280px}
    .contact-wrap{grid-template-columns:1fr}
    .reason-detail{grid-template-columns:1fr}
    .reason-detail:nth-child(even){direction:ltr}
  }
  @media(max-width:640px){
    .work-card{flex:0 0 100%}
  }

  /* ===== Service（事業内容）===== */
  #tile,#substrate,#waterproof{scroll-margin-top:90px}
  .service-nav{background:var(--ink);padding:0}
  .service-nav-grid{display:grid;grid-template-columns:repeat(3,1fr)}
  .service-nav-item{padding:36px 32px;border-right:1px solid rgba(255,255,255,.1);color:#fff;text-decoration:none;transition:var(--dur-micro) var(--ease-out);display:block}
  .service-nav-item:last-child{border-right:none}
  .service-nav-item:hover{background:var(--green);color:var(--ink)}
  .service-nav-item .en{font-family:var(--display);font-style:italic;font-size:13px;opacity:.6;display:block;margin-bottom:4px}
  .service-nav-item h3{font-weight:700;font-size:17px;margin-bottom:6px;line-height:1.3}
  .service-nav-item p{font-size:13px;opacity:.7;line-height:1.6}
  .service-nav-item:hover .en,.service-nav-item:hover p{opacity:1}
  .service-label{font-family:var(--display);font-style:italic;font-size:72px;font-weight:700;color:var(--line);line-height:1;margin-bottom:8px;letter-spacing:-.02em}
  .service-section-divider{border:none;border-top:4px solid var(--ink);margin:0}
  @media(max-width:640px){
    .service-nav-grid{grid-template-columns:1fr}
    .service-nav-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:24px 20px}
    .service-nav-item:last-child{border-bottom:none}
  }

  /* ===== Scroll reveal (IntersectionObserver と組み合わせ) ===== */
  .reveal{
    opacity:0;
    transform:translateY(20px);
    transition:opacity var(--dur-base) var(--ease-out),
               transform var(--dur-base) var(--ease-out);
  }
  .reveal.is-visible{opacity:1;transform:none}

  /* ===== Accessibility: prefers-reduced-motion ===== */
  @media(prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:0.01ms!important;
      animation-iteration-count:1!important;
      transition-duration:0.01ms!important;
      scroll-behavior:auto!important;
    }
  }