/* 056 〇〇解体 — 解体工事専門 / Bold Industrial / Dark Red × Black × Silver */
*{margin:0;padding:0;box-sizing:border-box}html,body{overflow-x:hidden}
:root{
  --bg:#0A0A0A;--bg-2:#161616;--bg-3:#1F1F1F;
  --ink:#FFFFFF;--ink-2:#D4D4D4;--gray:#7A7A7A;--gray-d:#3F3F3F;
  --red:#8B0000;--red-d:#660000;--red-l:#B22222;
  --silver:#C0C0C0;--silver-d:#909090;
  --line:rgba(255,255,255,.08);
}
body{background:var(--bg);color:var(--ink);font-family:'Inter','Noto Sans JP',sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.font-display{font-family:'Bebas Neue','Anton',sans-serif;letter-spacing:.04em;line-height:1}

/* DemoBar */
.demo-bar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--red);color:#fff;text-align:center;padding:8px 16px;font-size:11px;letter-spacing:.2em;font-weight:600;text-transform:uppercase}
.demo-bar a{text-decoration:underline;color:var(--silver);font-weight:700}

/* Header */
.site-header{position:fixed;top:34px;left:0;right:0;z-index:100;background:rgba(10,10,10,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;max-width:1280px;margin:0 auto}
.logo{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:.08em;color:#fff;display:inline-flex;align-items:center;gap:10px}
.logo .logo-mark{width:22px;height:22px;background:var(--red);clip-path:polygon(0 0,100% 0,80% 100%,0 100%)}
.nav-list{display:flex;gap:30px;list-style:none}
.nav-list a{font-size:13px;letter-spacing:.1em;font-weight:600;text-transform:uppercase;color:var(--ink-2);position:relative;padding:6px 0}
.nav-list a:hover{color:var(--red-l)}
.nav-cta{padding:12px 26px;background:var(--red);color:#fff;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--red);clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%)}
.nav-cta:hover{background:var(--red-d);border-color:var(--red-d)}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}
@media(max-width:900px){.nav-list,.nav-cta{display:none}.mobile-toggle{display:block}}

/* Hero */
.hero{position:relative;min-height:100vh;padding:200px 0 100px;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(135deg,rgba(10,10,10,.85) 0%,rgba(10,10,10,.6) 60%,rgba(139,0,0,.3) 100%),url("../images/hero.jpg");background-size:cover;background-position:center}
.hero::before{content:"DEMOLITION";position:absolute;top:50%;right:-40px;transform:translateY(-50%) rotate(-90deg);font-family:'Bebas Neue',sans-serif;font-size:140px;color:rgba(255,255,255,.04);letter-spacing:.1em;pointer-events:none;line-height:1}
.hero-content{position:relative;z-index:2;max-width:900px}
.hero-tag{display:inline-block;padding:6px 14px;background:var(--red);color:#fff;font-size:11px;letter-spacing:.2em;font-weight:700;text-transform:uppercase;margin-bottom:32px;clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%)}
.hero h1{font-family:'Bebas Neue','Anton',sans-serif;font-size:clamp(56px,10vw,160px);line-height:.95;margin-bottom:28px;letter-spacing:.02em}
.hero h1 .accent{color:var(--red-l)}
.hero h1 .stroke{-webkit-text-stroke:2px #fff;color:transparent}
.hero p.lead{font-size:clamp(15px,1.4vw,18px);color:var(--ink-2);margin-bottom:44px;max-width:580px;line-height:1.8}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:18px 36px;font-size:13px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;border:2px solid;transition:all .2s;cursor:pointer}
.btn-primary{background:var(--red);color:#fff;border-color:var(--red)}
.btn-primary:hover{background:var(--red-d);border-color:var(--red-d)}
.btn-outline{background:transparent;color:#fff;border-color:#fff}
.btn-outline:hover{background:#fff;color:var(--bg)}

/* Section共通 */
section{padding:120px 0;position:relative}
.sec-tag{display:inline-block;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--red-l);margin-bottom:18px;padding:4px 12px;border:1px solid var(--red-l)}
.sec-title{font-family:'Bebas Neue',sans-serif;font-size:clamp(36px,6vw,80px);line-height:1;margin-bottom:24px;letter-spacing:.02em}
.sec-title .accent{color:var(--red-l)}
.sec-lead{color:var(--gray);max-width:640px;margin-bottom:64px;font-size:16px;line-height:1.8}

/* Strength */
.strength{background:var(--bg-2);border-top:4px solid var(--red)}
.strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-left:1px solid var(--line)}
.strength-item{padding:48px 36px;border-right:1px solid var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;transition:background .2s}
.strength-item:hover{background:var(--bg-3)}
.str-num{font-family:'Bebas Neue',sans-serif;font-size:64px;color:var(--red);line-height:1;margin-bottom:20px}
.strength-item h3{font-family:'Bebas Neue',sans-serif;font-size:28px;margin-bottom:14px;letter-spacing:.04em}
.strength-item p{color:var(--gray);font-size:14px;line-height:1.85}
@media(max-width:900px){.strength-grid{grid-template-columns:1fr;border-left:none}.strength-item{border-right:none}}

/* About */
.about{position:relative;background:var(--bg)}
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}
.about-visual{aspect-ratio:4/5;background:url("../images/about.jpg") center/cover;border:2px solid var(--red);position:relative}
.about-visual::after{content:"EST. 1985";position:absolute;bottom:24px;left:24px;background:var(--red);color:#fff;font-family:'Bebas Neue',sans-serif;font-size:14px;padding:6px 14px;letter-spacing:.15em}
.about-text h3{font-family:'Bebas Neue',sans-serif;font-size:36px;margin:16px 0 24px;letter-spacing:.02em}
.about-text p{color:var(--ink-2);margin-bottom:18px;font-size:15px;line-height:1.85}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;padding-top:40px;border-top:1px solid var(--line)}
.stat-num{font-family:'Bebas Neue',sans-serif;font-size:48px;color:var(--red-l);line-height:1}
.stat-label{font-size:11px;letter-spacing:.2em;color:var(--gray);margin-top:8px;text-transform:uppercase}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:48px}}

/* Process */
.process{background:var(--bg-2);position:relative;overflow:hidden}
.process::before{content:'';position:absolute;top:-80px;right:-100px;width:480px;height:480px;background:radial-gradient(circle, rgba(139,0,0,.08) 0%, transparent 70%);pointer-events:none}
.process-head{max-width:760px;margin-bottom:72px}
.process-meta{display:flex;align-items:center;gap:18px;margin-bottom:14px;flex-wrap:wrap}
.process-count{font-family:'Bebas Neue',sans-serif;font-size:13px;color:var(--silver-d);letter-spacing:.18em}
.process-count::before{content:'';display:inline-block;width:24px;height:1px;background:var(--red);margin-right:14px;vertical-align:middle}

.process-timeline{position:relative;display:flex;flex-direction:column;gap:0;padding-left:0}
.process-timeline::before{content:'';position:absolute;left:55px;top:60px;bottom:60px;width:2px;background:linear-gradient(180deg, var(--red) 0%, var(--red) 50%, var(--red-d) 100%);opacity:.45;z-index:0}

.process-step{display:grid;grid-template-columns:112px 1fr;gap:36px;align-items:flex-start;padding:18px 0;position:relative;z-index:1}

.step-num{position:relative;width:112px;height:112px;display:flex;align-items:center;justify-content:center;background:var(--bg);border:2px solid var(--red);border-radius:50%;font-family:'Bebas Neue',sans-serif;font-size:44px;color:var(--red);letter-spacing:.04em;line-height:1;transition:all .35s cubic-bezier(.2,.7,.2,1);flex-shrink:0}
.step-num::before{content:'';position:absolute;inset:-7px;border:1px solid var(--red);border-radius:50%;opacity:.22;transition:transform .5s ease, opacity .35s ease}
.step-num span{position:relative;z-index:1}
.process-step:hover .step-num{background:var(--red);color:#fff;box-shadow:0 12px 32px rgba(139,0,0,.3)}
.process-step:hover .step-num::before{transform:scale(1.18);opacity:.5}

.step-card{display:flex;gap:24px;align-items:flex-start;background:var(--bg);padding:28px 32px;border:1px solid var(--line);border-left:3px solid transparent;transition:all .3s ease;flex:1;min-width:0}
.process-step:hover .step-card{border-left-color:var(--red);transform:translateX(8px);background:var(--bg-3);border-color:rgba(139,0,0,.4) rgba(255,255,255,.08) rgba(255,255,255,.08) var(--red)}

.step-icon{width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:rgba(139,0,0,.12);border:1px solid rgba(139,0,0,.3);color:var(--red-l);flex-shrink:0;transition:all .3s ease}
.process-step:hover .step-icon{background:rgba(139,0,0,.25);color:#fff;border-color:var(--red)}
.step-icon svg{display:block}

.step-text{flex:1;min-width:0}
.step-tag{display:inline-block;font-family:'Bebas Neue',sans-serif;font-size:11px;letter-spacing:.22em;color:var(--red-l);margin-bottom:6px;padding-bottom:4px;border-bottom:1px solid rgba(178,34,34,.3)}
.step-text h4{font-family:'Bebas Neue',sans-serif;font-size:24px;letter-spacing:.04em;margin-bottom:10px;color:var(--ink)}
.step-text p{color:var(--ink-2);font-size:14px;line-height:1.85}

@media(max-width:768px){
  .process-head{margin-bottom:48px}
  .process-meta{gap:12px}
  .process-timeline::before{left:34px;top:48px;bottom:48px}
  .process-step{grid-template-columns:68px 1fr;gap:18px;padding:14px 0;align-items:center}
  .step-num{width:68px;height:68px;font-size:24px;border-width:1.5px}
  .step-num::before{inset:-5px;border-width:1px}
  .step-card{flex-direction:column;gap:14px;padding:20px 22px;align-items:stretch}
  .process-step:hover .step-card{transform:translateX(4px)}
  .step-icon{width:44px;height:44px}
  .step-text h4{font-size:20px;margin-bottom:6px}
  .step-text p{font-size:13.5px;line-height:1.8}
}

/* Works */
.works{background:var(--bg)}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.works-item{background:var(--bg-2);border:1px solid var(--line);overflow:hidden;transition:border-color .2s,transform .2s}
.works-item:hover{border-color:var(--red);transform:translateY(-6px)}
.works-img{aspect-ratio:4/3;background-size:cover;background-position:center;border-bottom:2px solid var(--red)}
.works-info{padding:24px}
.works-info h4{font-family:'Bebas Neue',sans-serif;font-size:22px;margin-bottom:8px;letter-spacing:.04em}
.works-info .meta{font-size:11px;letter-spacing:.2em;color:var(--red-l);text-transform:uppercase;margin-bottom:8px}
.works-info p{font-size:13px;color:var(--gray);line-height:1.7}
@media(max-width:900px){.works-grid{grid-template-columns:1fr}}

/* News */
.news{background:var(--bg-2);border-top:1px solid var(--line)}
.news-list{display:flex;flex-direction:column;gap:8px}
.news-item{display:grid;grid-template-columns:120px 100px 1fr;gap:24px;padding:20px 24px;border:1px solid var(--line);background:var(--bg);transition:all .2s;align-items:center}
.news-item:hover{border-color:var(--red);background:var(--bg-3)}
.news-date{font-family:'Bebas Neue',sans-serif;font-size:14px;color:var(--gray);letter-spacing:.1em}
.news-cat{display:inline-block;padding:4px 10px;background:var(--red);color:#fff;font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;text-align:center}
.news-title{font-size:14px;color:var(--ink-2)}
@media(max-width:700px){.news-item{grid-template-columns:1fr;gap:6px}}

/* CTA */
.cta-block{background:var(--red);padding:100px 0;position:relative;overflow:hidden;border-top:4px solid var(--silver);border-bottom:4px solid var(--silver)}
.cta-block::before{content:"";position:absolute;inset:0;background:url("../images/hero.jpg") center/cover;opacity:.1;mix-blend-mode:multiply}
.cta-block .container{position:relative;z-index:2;text-align:center}
.cta-block h2{font-family:'Bebas Neue',sans-serif;font-size:clamp(40px,7vw,90px);line-height:1;margin-bottom:18px;letter-spacing:.02em}
.cta-block p{margin-bottom:36px;font-size:15px;color:rgba(255,255,255,.85);max-width:580px;margin-left:auto;margin-right:auto}
.cta-block .btn-outline{color:#fff;border-color:#fff}
.cta-block .btn-outline:hover{background:#fff;color:var(--red)}

/* Footer */
.site-footer{background:var(--bg);padding:80px 0 32px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .logo{margin-bottom:20px;display:inline-flex}
.footer-brand p{color:var(--gray);font-size:13px;max-width:300px;line-height:1.8}
.footer-col h5{font-family:'Bebas Neue',sans-serif;font-size:14px;letter-spacing:.2em;margin-bottom:18px;color:var(--red-l)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--ink-2);font-size:13px;transition:color .15s}
.footer-col a:hover{color:var(--red-l)}
.footer-bottom{padding-top:32px;border-top:1px solid var(--line);text-align:center}
.footer-bottom small{color:var(--gray);font-size:12px;letter-spacing:.1em;font-family:'Bebas Neue',sans-serif}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}

/* Subpage */
.page-hero{padding:200px 0 80px;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);border-bottom:1px solid var(--line)}
.page-hero h1{font-family:'Bebas Neue',sans-serif;font-size:clamp(48px,8vw,100px);letter-spacing:.02em}
.page-hero .breadcrumb{font-size:11px;color:var(--red-l);letter-spacing:.3em;margin-bottom:18px;text-transform:uppercase}
.content-section{padding:80px 0}
.content-section h2{font-family:'Bebas Neue',sans-serif;font-size:36px;margin:48px 0 18px;letter-spacing:.02em}
.content-section h3{font-family:'Bebas Neue',sans-serif;font-size:22px;margin:24px 0 12px;color:var(--red-l)}
.content-section p{color:var(--ink-2);margin-bottom:14px;line-height:1.85;max-width:780px}
.content-section ul{margin:14px 0 24px 24px}
.content-section li{margin-bottom:8px;color:var(--ink-2)}

.contact-form{display:grid;gap:20px;max-width:640px;margin:32px 0}
.contact-form label{font-size:11px;letter-spacing:.2em;color:var(--red-l);text-transform:uppercase;font-weight:700;margin-bottom:6px;display:block}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:14px 18px;background:var(--bg-2);border:1px solid var(--line);color:#fff;font-family:inherit;font-size:15px;transition:border-color .15s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--red)}

/* Reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s,transform .7s}
.reveal.show{opacity:1;transform:translateY(0)}


/* === Hamburger Menu Active State (透け防止 - Audit fix) === */
@media(max-width:900px){
  header.site-header.menu-active,
  .site-header.menu-active{
    background:rgba(10,10,10,1) !important;
    backdrop-filter:none !important;
    -webkit-backdrop-filter:none !important;
  }
}

/* ====================================================
   Visual safety override (2026-05-04 一括強制表示化)
   feedback_pre_upload_visual_check ルール準拠
   JS未発火時/画像非表示を防ぐため、すべての
   reveal系クラスを初期表示OKに強制
==================================================== */
.reveal, .reveal-up, .reveal-fade, .reveal-clip, .reveal-noren,
.scrub-item, .reveal-left, .reveal-right { 
  opacity: 1 !important; 
  transform: none !important; 
  clip-path: inset(0 0 0% 0) !important;
  -webkit-clip-path: inset(0 0 0% 0) !important;
}



/* ====================================================
   スマホ時 contact フォーム強制1カラム化（2026-05-05）
   2カラム表示で入力欄が狭くなる問題
==================================================== */
@media (max-width: 767px) {
    .form-row,
    .form-grid,
    .form-2col,
    .form-pair,
    .input-row,
    .input-grid,
    [class*="form-row"],
    [class*="form-grid"],
    [class*="two-col"] {
        display: block !important;
        grid-template-columns: 1fr !important;
    }
    form input[type="text"],
    form input[type="email"],
    form input[type="tel"],
    form input[type="number"],
    form textarea,
    form select,
    .form-row > input,
    .form-row > textarea,
    .form-row > select,
    .form-row > div,
    .form-grid > * {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    .form-row, .form-grid {
        margin-bottom: 1rem;
    }
}



/* ====================================================
   contact 1カラム化 強化版（2026-05-05・全クラス網羅）
==================================================== */
@media (max-width: 767px) {
    .contact-grid,
    .contact-form,
    .ct-grid,
    .ct-form,
    .booking-form,
    .reserve-form,
    .form-card,
    .form-wrap,
    .form-box,
    [class*="contact-grid"],
    [class*="contact-form"],
    [class*="ct-grid"],
    [class*="ct-form"] {
        display: block !important;
        grid-template-columns: 1fr !important;
    }
    .contact-grid > *,
    .contact-form > *,
    .ct-grid > *,
    .ct-form > *,
    .booking-form > *,
    .reserve-form > *,
    .form-card > *,
    .form-wrap > *,
    .form-box > * {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    .ct-budget-grid,
    .ct-field {
        grid-template-columns: 1fr !important;
        display: block !important;
    }
}

/* ====================================================
   横スクロール防止（2026-05-14 一括追加）
   CLAUDE.md ルール「html/body 両方に overflow-x:hidden」準拠
==================================================== */
html { overflow-x: hidden; }
body { overflow-x: hidden; }

/* ====================================================
   ハンバーガーメニュー全画面オーバーレイ化（2026-05-14）
   CLAUDE.md ルール準拠: position:fixed; inset:0; 不透明背景
==================================================== */
@media (max-width: 900px) {
  .mobile-toggle {
    z-index: 1100 !important;
    position: relative !important;
  }
  .nav-list {
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: rgba(10,10,10,0.98) !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 28px !important;
    padding: 80px 24px 40px !important;
    margin: 0 !important;
    z-index: 1000 !important;
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(.4,0,.2,1), opacity .25s;
    opacity: 0;
    pointer-events: none;
    list-style: none;
    overflow-y: auto;
  }
  .nav-list.is-open {
    transform: translateX(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  .nav-list a,
  .nav-list li,
  .nav-list li a {
    color: #fff !important;
    font-size: 20px !important;
    letter-spacing: 0.1em !important;
    text-decoration: none !important;
    padding: 8px 16px !important;
    display: block !important;
  }
  .nav-list li {
    list-style: none !important;
  }
  header.site-header.menu-active,
  .site-header.menu-active {
    background: rgba(10,10,10,0.98) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

/* ====================================================
   多カラムgrid スマホ最適化（2026-05-15 千尋）
==================================================== */
@media (max-width: 768px) {
  /* 2カラム化（情報密度を保つ） */
  .about-stats { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
}

/* ====================================================
   process-grid（4STEPS）スマホ1カラム化（2026-05-16 一括追加）
==================================================== */
@media(max-width:640px){
  .process-grid{grid-template-columns:1fr !important;margin-top:32px}
  .process-step{padding:26px 20px;border-right:none !important;border-bottom:1px solid currentColor !important}
  .process-step:nth-child(2){border-right:none !important;border-bottom:1px solid currentColor !important}
  .process-step:last-child{border-bottom:none !important}
  .process-step .step-num{margin-bottom:14px}
  .process-step h4{font-size:22px;margin-bottom:10px}
  .process-step p{font-size:13px;line-height:1.78}
}