/* KOZAN 弘山建設 — 老舗×伝統 / Navy × Ivory × Bordeaux */
*{margin:0;padding:0;box-sizing:border-box}html,body{overflow-x:hidden}
:root{--bg:#f4f0e6;--bg-2:#eae3d3;--bg-3:#fff;--ink:#1a2845;--ink-2:#2c3a5c;--ivory:#f4f0e6;--bordeaux:#7a2330;--bordeaux-d:#5a1820;--gold:#b8a165;--gold-d:#8a7642;--gray:#7a7060;--gray-d:#403a30;--line:rgba(26,40,69,.12)}
body{background:var(--bg);color:var(--ink);font-family:'Noto Serif JP','Cormorant Garamond',serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 80% 20%,rgba(184,161,101,.06) 0%,transparent 50%)}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.container{max-width:1240px;margin:0 auto;padding:0 28px}
.font-en{font-family:'Cormorant Garamond',serif}
.demo-bar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--ink);color:var(--ivory);text-align:center;padding:8px 16px;font-size:12px;letter-spacing:.15em;border-bottom:2px solid var(--gold)}
.demo-bar a{text-decoration:underline;color:var(--gold);font-weight:600}
header.site-header{position:fixed;top:32px;left:0;right:0;z-index:100;background:rgba(244,240,230,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;justify-content:space-between;align-items:center;padding:18px 28px;max-width:1240px;margin:0 auto}
.logo{font-family:'Cormorant Garamond',serif;font-size:30px;font-weight:500;letter-spacing:.04em;color:var(--ink);display:flex;align-items:center;gap:12px}
.logo::before{content:"弘";font-size:24px;width:36px;height:36px;background:var(--bordeaux);color:var(--ivory);display:flex;align-items:center;justify-content:center;border-radius:4px;font-family:'Noto Serif JP',serif;font-weight:600}
.logo span{color:var(--gold)}
.nav-list{display:flex;gap:32px;list-style:none}
.nav-list a{font-family:'Noto Serif JP',serif;font-size:14px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;transition:color .25s}
.nav-list a:hover{color:var(--bordeaux)}
.nav-list a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--bordeaux);transition:width .25s}
.nav-list a:hover::after{width:100%}
.nav-cta{padding:11px 26px;background:var(--bordeaux);color:var(--ivory);font-family:'Noto Serif JP',serif;font-size:13px;font-weight:600;transition:all .2s}
.nav-cta:hover{background:var(--bordeaux-d)}
.mobile-toggle{display:none;background:none;border:none;color:var(--ink);font-size:24px;cursor:pointer}
@media(max-width:900px){.nav-list,.nav-cta{display:none}.mobile-toggle{display:block}}
.hero{position:relative;min-height:90vh;padding:200px 0 80px;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(135deg,rgba(244,240,230,.85) 0%,rgba(244,240,230,.6) 50%,rgba(244,240,230,.4) 100%),url("../images/hero.jpg");background-size:cover;background-position:center}
.hero::before{content:"";position:absolute;top:130px;left:28px;width:60px;height:60px;background:var(--bordeaux);color:var(--ivory);display:flex;align-items:center;justify-content:center;font-family:'Noto Serif JP',serif;font-size:36px;font-weight:600;border-radius:6px}
.hero::before{content:"弘"}
.hero-content{position:relative;z-index:2;max-width:880px}
.hero-tag{display:inline-block;padding:8px 18px;background:var(--ink);color:var(--gold);font-family:'Cormorant Garamond',serif;font-size:13px;letter-spacing:.2em;margin-bottom:32px;font-weight:500}
.hero h1{font-family:'Noto Serif JP',serif;font-size:clamp(46px,7vw,98px);line-height:1.18;margin-bottom:32px;font-weight:500;color:var(--ink)}
.hero h1 .accent{color:var(--bordeaux)}
.hero h1 .accent-gold{color:var(--gold);font-family:'Cormorant Garamond',serif;font-style:italic}
.hero p.lead{font-size:clamp(15px,1.4vw,18px);max-width:580px;color:var(--gray-d);margin-bottom:48px;line-height:1.95}
.hero-cta-row{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 32px;font-family:'Noto Serif JP',serif;font-size:14px;font-weight:600;transition:all .25s;cursor:pointer;border:1.5px solid}
.btn-primary{background:var(--bordeaux);color:var(--ivory);border-color:var(--bordeaux)}
.btn-primary:hover{background:var(--bordeaux-d);border-color:var(--bordeaux-d)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--ivory)}
.btn-gold{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-d)}
section{padding:120px 0;position:relative}
.sec-tag{display:inline-block;font-family:'Cormorant Garamond',serif;font-size:13px;letter-spacing:.25em;color:var(--bordeaux);margin-bottom:14px;font-style:italic}
.sec-title{font-family:'Noto Serif JP',serif;font-size:clamp(32px,5vw,60px);line-height:1.2;margin-bottom:24px;font-weight:500;color:var(--ink)}
.sec-title em{color:var(--bordeaux);font-style:normal}
.sec-lead{color:var(--gray-d);max-width:600px;margin-bottom:64px;font-size:16px;line-height:1.95}
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}
.about-visual{aspect-ratio:4/5;background-image:url("../images/about.jpg");background-size:cover;background-position:center;position:relative;border:1px solid var(--gold);box-shadow:24px 24px 0 var(--bg-2)}
.about-visual::after{content:"創業 大正十二年";position:absolute;bottom:24px;left:24px;background:var(--ink);color:var(--gold);padding:8px 16px;font-family:'Noto Serif JP',serif;font-size:13px;letter-spacing:.15em}
.about-text h3{font-family:'Noto Serif JP',serif;font-size:32px;margin:14px 0 24px;line-height:1.5;font-weight:500;color:var(--ink)}
.about-text h3 em{color:var(--bordeaux);font-style:normal}
.about-text p{color:var(--gray-d);margin-bottom:18px}
.about-text .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;padding-top:36px;border-top:1px solid var(--line)}
.stat-num{font-family:'Cormorant Garamond',serif;font-size:48px;color:var(--bordeaux);line-height:1;font-weight:500}
.stat-label{font-size:11px;letter-spacing:.15em;color:var(--gray);margin-top:8px;font-family:'Noto Serif JP',serif}
@media(max-width:800px){.about-grid{grid-template-columns:1fr;gap:50px}}
.class-section{background:var(--ink);color:var(--ivory);position:relative}
.class-section .sec-title{color:var(--ivory)}
.class-section .sec-title em{color:var(--gold)}
.class-section .sec-lead{color:rgba(244,240,230,.7)}
.class-section .sec-tag{color:var(--gold)}
.class-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.class-card{background:rgba(255,255,255,.04);border:1px solid rgba(184,161,101,.2);padding:40px 30px;position:relative;transition:all .3s}
.class-card:hover{border-color:var(--gold);background:rgba(255,255,255,.08)}
.class-card .num{font-family:'Cormorant Garamond',serif;font-size:14px;color:var(--gold);margin-bottom:16px;font-style:italic;letter-spacing:.12em}
.class-card h3{font-family:'Noto Serif JP',serif;font-size:24px;margin-bottom:14px;line-height:1.4;font-weight:500;color:var(--ivory)}
.class-card .desc{font-size:14px;color:rgba(244,240,230,.7);margin-bottom:24px;line-height:1.85}
.class-card .price{font-family:'Cormorant Garamond',serif;font-size:24px;color:var(--gold);font-weight:500;padding-top:18px;border-top:1px solid rgba(184,161,101,.15)}
@media(max-width:800px){.class-grid{grid-template-columns:1fr}}
.trainer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.trainer-card{position:relative;background:#fff;overflow:hidden;border:1px solid var(--line);transition:all .3s}
.trainer-card:hover{border-color:var(--bordeaux);transform:translateY(-4px);box-shadow:0 12px 32px rgba(26,40,69,.1)}
.trainer-card img.trainer-photo{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center top}
.trainer-info{padding:24px 26px 28px}
.trainer-info .pos{font-family:'Cormorant Garamond',serif;font-size:13px;color:var(--bordeaux);font-style:italic;letter-spacing:.1em}
.trainer-info h4{font-family:'Noto Serif JP',serif;font-size:22px;margin:6px 0 6px;font-weight:500}
.trainer-info p{font-size:13px;color:var(--gray-d)}
@media(max-width:900px){.trainer-grid{grid-template-columns:1fr 1fr}}
.fighter-section{background:var(--bg-2);position:relative}
.fighter-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fighter-row{display:grid;grid-template-columns:auto 1fr auto;gap:24px;background:#fff;padding:24px 28px;transition:all .25s;align-items:center;border:1px solid var(--line)}
.fighter-row:hover{border-color:var(--bordeaux)}
.fighter-num{font-family:'Cormorant Garamond',serif;font-size:32px;color:var(--bordeaux);width:60px;line-height:1;font-style:italic;font-weight:500}
.fighter-row h4{font-family:'Noto Serif JP',serif;font-size:18px;font-weight:500}
.fighter-row .belt{font-size:12px;color:var(--gray-d);margin-top:4px}
.fighter-row .record{font-family:'Cormorant Garamond',serif;font-size:18px;color:var(--gold);font-weight:500;font-style:italic}
@media(max-width:800px){.fighter-list{grid-template-columns:1fr}}
.access-section{background:var(--bg);position:relative}
.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;position:relative}
.access-info ul{list-style:none;margin-top:32px}
.access-info li{padding:16px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:110px 1fr;gap:24px}
.access-info li span{color:var(--bordeaux);font-size:12px;letter-spacing:.15em;font-family:'Noto Serif JP',serif;font-weight:600}
.access-info li b{font-weight:500;color:var(--ink)}
.access-map{aspect-ratio:1/1;background:linear-gradient(135deg,var(--bg-2) 0%,#fff 100%);border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;color:var(--bordeaux);font-family:'Cormorant Garamond',serif;font-style:italic;font-size:22px}
@media(max-width:800px){.access-grid{grid-template-columns:1fr}}
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{display:grid;grid-template-columns:130px 100px 1fr;gap:24px;padding:24px 28px;background:#fff;border:1px solid var(--line);border-bottom:none;transition:all .25s;align-items:center}
.news-item:last-child{border-bottom:1px solid var(--line)}
.news-item:hover{background:var(--bg-2);border-color:var(--bordeaux)}
.news-date{font-family:'Cormorant Garamond',serif;color:var(--gray-d);font-size:16px;font-style:italic}
.news-cat{font-family:'Noto Serif JP',serif;font-size:11px;padding:5px 12px;background:var(--ink);color:var(--ivory);text-align:center;letter-spacing:.1em;font-weight:600}
.news-cat.event{background:var(--gold);color:var(--ink)}
.news-cat.fight{background:var(--bordeaux);color:var(--ivory)}
.news-title{font-size:14px;color:var(--ink)}
@media(max-width:700px){.news-item{grid-template-columns:1fr;gap:6px}}
.cta-block{background:var(--bordeaux);color:var(--ivory);padding:100px 0;position:relative;overflow:hidden;text-align:center}
.cta-block::before{content:"";position:absolute;inset:0;background-image:url("../images/gym-detail.jpg");background-size:cover;background-position:center;opacity:.15;mix-blend-mode:multiply}
.cta-block .container{position:relative;z-index:2}
.cta-block h2{font-family:'Noto Serif JP',serif;font-size:clamp(36px,5vw,68px);line-height:1.3;margin-bottom:18px;font-weight:500}
.cta-block h2 em{color:var(--gold);font-style:normal}
.cta-block p{margin-bottom:36px;max-width:600px;margin-left:auto;margin-right:auto;color:rgba(244,240,230,.85)}
.cta-block .btn-outline{color:var(--ivory);border-color:var(--ivory)}
.cta-block .btn-outline:hover{background:var(--ivory);color:var(--bordeaux)}
footer.site-footer{background:var(--ink);color:var(--ivory);padding:80px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .logo{display:inline-flex;margin-bottom:16px;color:var(--ivory)}
.footer-brand p{color:rgba(244,240,230,.6);font-size:14px;max-width:300px}
.footer-col h5{font-family:'Cormorant Garamond',serif;font-size:14px;letter-spacing:.15em;margin-bottom:18px;color:var(--gold);font-style:italic}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(244,240,230,.6);font-size:13px;transition:color .15s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{padding-top:32px;border-top:1px solid rgba(184,161,101,.2);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-bottom small{color:rgba(244,240,230,.5);font-size:12px}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
.page-hero{padding:200px 0 80px;border-bottom:1px solid var(--line);position:relative;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.page-hero h1{font-family:'Noto Serif JP',serif;font-size:clamp(40px,6vw,80px);line-height:1.18;font-weight:500;color:var(--ink)}
.page-hero h1 em{color:var(--bordeaux);font-style:normal}
.page-hero .breadcrumb{font-family:'Cormorant Garamond',serif;font-size:13px;color:var(--bordeaux);letter-spacing:.2em;margin-bottom:24px;font-style:italic}
.page-hero .breadcrumb a{color:var(--gray-d)}
.page-hero-sub{padding:180px 0 60px;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.page-hero-sub h1{font-family:'Noto Serif JP',serif;font-size:clamp(32px,5vw,56px);line-height:1.3;font-weight:500}
.content-section{padding:80px 0}
.content-section h2{font-family:'Noto Serif JP',serif;font-size:clamp(28px,4vw,44px);margin:48px 0 24px;font-weight:500;color:var(--ink);position:relative;padding-left:24px}
.content-section h2::before{content:"";position:absolute;left:0;top:18%;width:6px;height:64%;background:var(--bordeaux)}
.content-section h2 em{color:var(--bordeaux);font-style:normal}
.content-section h3{font-family:'Noto Serif JP',serif;font-size:20px;margin:32px 0 12px;color:var(--bordeaux);font-weight:500}
.content-section p{color:var(--gray-d);margin-bottom:18px;max-width:780px;line-height:1.95}
.content-section ul{margin:18px 0 28px 28px}
.content-section li{margin-bottom:10px;color:var(--gray-d)}
.price-table{width:100%;border-collapse:collapse;margin:32px 0;background:#fff;border:1px solid var(--line)}
.price-table th,.price-table td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--line)}
.price-table th{font-family:'Noto Serif JP',serif;color:var(--bordeaux);font-size:14px;background:var(--bg-2);font-weight:600}
.price-table td:last-child{font-family:'Cormorant Garamond',serif;color:var(--bordeaux);font-size:18px;font-style:italic}
.faq-list{margin:32px 0}
.faq-item{background:#fff;border:1px solid var(--line);padding:24px 28px;margin-bottom:12px}
.faq-q{font-weight:600;cursor:pointer;padding-left:34px;position:relative;font-size:16px;color:var(--ink);font-family:'Noto Serif JP',serif}
.faq-q::before{content:"問";position:absolute;left:0;color:var(--bordeaux);font-family:'Noto Serif JP',serif;font-size:18px;font-weight:600}
.faq-a{padding:14px 0 0 34px;color:var(--gray-d);font-size:14px;line-height:1.95}
.faq-a::before{content:"答 ";color:var(--gold);font-weight:600}
.contact-form{display:grid;gap:18px;max-width:680px;margin:32px 0}
.contact-form label{display:block;font-family:'Noto Serif JP',serif;font-size:13px;color:var(--bordeaux);margin-bottom:6px;font-weight:600}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:14px 18px;background:#fff;border:1px solid var(--line);color:var(--ink);font-family:inherit;font-size:15px;transition:border-color .15s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--bordeaux)}
.contact-form textarea{min-height:140px;resize:vertical}
.article-meta{display:flex;gap:16px;align-items:center;margin-bottom:16px;font-family:'Cormorant Garamond',serif;font-size:13px;color:var(--gray-d);letter-spacing:.1em;font-style:italic}
.article-meta .cat{padding:5px 12px;background:var(--bordeaux);color:var(--ivory);font-style:normal;font-weight:600}
.article-body p{color:var(--ink);margin-bottom:20px;line-height:2}
.article-body blockquote{margin:32px 0;padding:28px 36px;border-left:4px solid var(--bordeaux);background:#fff;font-family:'Noto Serif JP',serif;color:var(--ink);font-size:17px;line-height:1.85}
.mission-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:48px 0}
.mission-step{background:#fff;padding:36px 28px;position:relative;border:1px solid var(--line);transition:all .3s}
.mission-step:hover{border-color:var(--bordeaux)}
.mission-step .step-num{font-family:'Cormorant Garamond',serif;font-size:48px;color:var(--bordeaux);font-weight:500;font-style:italic;line-height:1;margin-bottom:12px}
.mission-step h3{color:var(--ink) !important;font-size:18px !important;font-family:'Noto Serif JP',serif !important}
@media(max-width:800px){.mission-grid{grid-template-columns:1fr 1fr}}
.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(244,240,230,1) !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(244,240,230,.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(244,240,230,.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） */
  .stats { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
}