/* 057 〇〇工務店 — 注文住宅・木造専門 / Warm Wood × Ivory × Deep Green */
*{margin:0;padding:0;box-sizing:border-box}html,body{overflow-x:hidden}
:root{
  --bg:#FAF7F0;--bg-2:#F2EDE2;--bg-3:#FFFFFF;
  --ink:#2A2620;--ink-2:#5C5448;--gray:#9A9080;--gray-l:#C4BBA9;
  --wood:#A0826D;--wood-d:#7A604D;--wood-l:#C4A98A;
  --green:#3A4F35;--green-d:#293A24;--green-l:#5C7457;
  --ivory:#F2EDE2;
  --line:rgba(58,79,53,.12);
}
body{background:var(--bg);color:var(--ink);font-family:'Inter','Noto Sans JP',sans-serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 80% 20%,rgba(160,130,109,.08) 0%,transparent 50%),radial-gradient(circle at 20% 80%,rgba(58,79,53,.06) 0%,transparent 50%)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.font-display{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-weight:400;letter-spacing:.01em}

.demo-bar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--green);color:#fff;text-align:center;padding:9px 16px;font-size:11px;letter-spacing:.18em;font-weight:500}
.demo-bar a{text-decoration:underline;color:var(--wood-l);font-weight:600}

.site-header{position:fixed;top:34px;left:0;right:0;z-index:100;background:rgba(250,247,240,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;justify-content:space-between;align-items:center;padding:18px 32px;max-width:1200px;margin:0 auto}
.logo{font-family:'Cormorant Garamond',serif;font-size:26px;color:var(--green-d);font-weight:500;letter-spacing:.03em}
.logo span{color:var(--wood)}
.nav-list{display:flex;gap:32px;list-style:none}
.nav-list a{font-size:13px;color:var(--ink-2);font-weight:500;letter-spacing:.04em;transition:color .15s}
.nav-list a:hover{color:var(--green)}
.nav-cta{padding:11px 24px;background:var(--green);color:#fff;font-size:13px;font-weight:500;letter-spacing:.04em;transition:all .2s}
.nav-cta:hover{background:var(--green-d)}
.mobile-toggle{display:none;background:none;border:none;color:var(--green-d);font-size:22px;cursor:pointer}
@media(max-width:900px){.nav-list,.nav-cta{display:none}.mobile-toggle{display:block}}

/* Hero — 中央寄せ・上品 */
.hero{position:relative;min-height:100vh;padding:200px 0 100px;text-align:center;display:flex;align-items:center;background-image:linear-gradient(180deg,rgba(250,247,240,.88) 0%,rgba(250,247,240,.5) 60%,rgba(250,247,240,.2) 100%),url("../images/hero.jpg");background-size:cover;background-position:center}
.hero-content{position:relative;z-index:2;max-width:780px;margin:0 auto}
.hero-tag{display:inline-block;font-size:11px;letter-spacing:.4em;color:var(--green);text-transform:uppercase;margin-bottom:32px}
.hero-tag::before,.hero-tag::after{content:"—";color:var(--wood);margin:0 14px}
.hero h1{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:clamp(40px,7vw,84px);line-height:1.15;margin-bottom:32px;color:var(--green-d);font-weight:400;letter-spacing:.01em}
.hero h1 .accent{color:var(--wood);font-style:italic}
.hero p.lead{font-size:clamp(15px,1.4vw,18px);color:var(--ink-2);margin-bottom:48px;max-width:620px;margin-left:auto;margin-right:auto;line-height:1.85}
.hero-cta{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 36px;font-size:13px;font-weight:500;letter-spacing:.08em;border:1px solid;transition:all .2s;cursor:pointer}
.btn-primary{background:var(--green);color:#fff;border-color:var(--green)}
.btn-primary:hover{background:var(--green-d);border-color:var(--green-d)}
.btn-outline{background:transparent;color:var(--green-d);border-color:var(--green-d)}
.btn-outline:hover{background:var(--green-d);color:#fff}

section{padding:140px 0;position:relative}
.sec-tag{display:block;font-size:11px;letter-spacing:.4em;color:var(--wood);text-transform:uppercase;margin-bottom:18px;text-align:center}
.sec-title{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:clamp(36px,5vw,64px);line-height:1.2;margin-bottom:24px;color:var(--green-d);text-align:center;font-weight:400}
.sec-title .accent{color:var(--wood);font-style:italic}
.sec-lead{color:var(--ink-2);max-width:680px;margin:0 auto 80px;text-align:center;font-size:15px}

/* Concept — 3*/
.concept{background:var(--bg-3)}
.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.concept-item{text-align:center;padding:32px 20px}
.concept-item .num{font-family:'Cormorant Garamond',serif;font-size:48px;color:var(--wood);font-style:italic;margin-bottom:18px;line-height:1}
.concept-item h3{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:24px;color:var(--green-d);margin-bottom:14px;font-weight:500}
.concept-item p{color:var(--ink-2);font-size:14px;line-height:1.85}
@media(max-width:900px){.concept-grid{grid-template-columns:1fr;gap:48px}}

/* About */
.about{background:var(--bg-2)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-visual{aspect-ratio:4/5;background:url("../images/about.jpg") center/cover;border-radius:4px;box-shadow:0 12px 40px rgba(0,0,0,.08)}
.about-text{max-width:520px}
.about-text .sec-tag{text-align:left;margin-bottom:14px}
.about-text .sec-title{text-align:left;margin-bottom:24px}
.about-text p{color:var(--ink-2);margin-bottom:18px}
.about-quote{margin-top:32px;padding:24px 28px;background:var(--bg-3);border-left:3px solid var(--wood);font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:18px;color:var(--green-d);font-style:italic;line-height:1.7}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:48px}.about-text .sec-title,.about-text .sec-tag{text-align:center}}

/* Works */
.works{background:var(--bg-3)}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.works-item{background:var(--bg);border-radius:4px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.works-item:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(0,0,0,.1)}
.works-img{aspect-ratio:4/3;background-size:cover;background-position:center}
.works-info{padding:28px 24px}
.works-info h4{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:22px;color:var(--green-d);margin-bottom:8px;font-weight:500}
.works-info .meta{font-size:11px;letter-spacing:.25em;color:var(--wood);text-transform:uppercase;margin-bottom:8px}
.works-info p{font-size:13px;color:var(--ink-2);line-height:1.75}
@media(max-width:900px){.works-grid{grid-template-columns:1fr}}

/* Process */
.process{background:var(--bg-2)}
.process-list{display:flex;flex-direction:column;gap:32px;max-width:880px;margin:0 auto}
.process-item{display:grid;grid-template-columns:80px 1fr;gap:32px;align-items:start}
.process-item .num{font-family:'Cormorant Garamond',serif;font-size:48px;color:var(--wood);font-style:italic;line-height:1}
.process-item h4{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:22px;margin-bottom:8px;color:var(--green-d);font-weight:500}
.process-item p{color:var(--ink-2);font-size:14px;line-height:1.85}

/* News */
.news{background:var(--bg-3);border-top:1px solid var(--line)}
.news-list{display:flex;flex-direction:column;gap:0;max-width:880px;margin:0 auto}
.news-item{display:grid;grid-template-columns:120px 100px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line);align-items:center;transition:background .15s}
.news-item:hover{background:var(--bg-2)}
.news-date{font-family:'Cormorant Garamond',serif;font-size:14px;color:var(--wood);font-style:italic}
.news-cat{display:inline-block;padding:4px 10px;background:var(--green);color:#fff;font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;text-align:center}
.news-title{font-size:14px;color:var(--ink)}

/* CTA */
.cta-block{background:var(--green-d);padding:120px 0;color:#fff;text-align:center;position:relative;overflow:hidden}
.cta-block::before{content:"";position:absolute;inset:0;background:url("../images/hero.jpg") center/cover;opacity:.08;mix-blend-mode:overlay}
.cta-block .container{position:relative;z-index:2}
.cta-block h2{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:clamp(32px,5vw,56px);margin-bottom:18px;font-weight:400;line-height:1.3}
.cta-block h2 .accent{color:var(--wood-l);font-style:italic}
.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(--green-d)}

/* Footer */
.site-footer{background:var(--bg-2);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:16px;display:inline-block}
.footer-brand p{color:var(--ink-2);font-size:13px;max-width:300px;line-height:1.85}
.footer-col h5{font-family:'Cormorant Garamond',serif;font-size:18px;margin-bottom:18px;color:var(--green-d);font-weight:500}
.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(--green)}
.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}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}

/* Subpage */
.page-hero{padding:200px 0 80px;text-align:center;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);border-bottom:1px solid var(--line)}
.page-hero h1{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:clamp(40px,6vw,72px);color:var(--green-d);font-weight:400}
.page-hero .breadcrumb{font-size:11px;color:var(--wood);letter-spacing:.4em;margin-bottom:18px;text-transform:uppercase}
.content-section{padding:80px 0}
.content-section h2{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:32px;margin:48px 0 18px;color:var(--green-d);font-weight:500;border-left:3px solid var(--wood);padding-left:18px}
.content-section h3{font-family:'Cormorant Garamond','Noto Serif JP',serif;font-size:22px;margin:24px 0 12px;color:var(--wood-d);font-weight:500}
.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 auto}
.contact-form label{font-size:11px;letter-spacing:.25em;color:var(--green);text-transform:uppercase;font-weight:600;margin-bottom:6px;display:block}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:14px 18px;background:var(--bg-3);border:1px solid var(--line);color:var(--ink);font-family:inherit;font-size:15px;transition:border-color .15s;border-radius:2px}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--green)}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s,transform .9s}
.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(250,247,240,1) !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(250,247,240,0.98) !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: #222 !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(250,247,240,0.98) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}


/* ====================================================
   057 お知らせ section スマホ最適化（2026-05-15 千尋）
==================================================== */
@media (max-width: 768px) {
  .news-item {
    grid-template-columns: 1fr !important;
    gap: 6px !important;
    padding: 14px 0 !important;
  }
  .news-date, .news-cat {
    display: inline-block !important;
    margin-right: 12px !important;
  }
}