/* =========================================================
   宝生砕石株式会社 サイトスタイル
   ========================================================= */
:root{
  --navy:#15314f;       /* メインの濃紺 */
  --navy-dark:#0e2237;
  --steel:#37618c;      /* スチールブルー */
  --accent:#c8862f;     /* ダンプ/重機を思わせるアンバー */
  --accent-dark:#a86d1f;
  --ink:#23282d;        /* 本文 */
  --gray:#5d6670;
  --line:#e2e5ea;
  --bg:#ffffff;
  --bg-alt:#f4f6f9;
  --bg-stone:#eceef2;
  --radius:10px;
  --shadow:0 6px 24px rgba(21,49,79,.08);
  --maxw:1080px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans JP",system-ui,sans-serif;
  color:var(--ink);
  line-height:1.85;
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ===== ヘッダー ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1180px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{
  width:54px;height:54px;flex:none;
  object-fit:contain;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-family:"Noto Serif JP",serif;font-weight:700;font-size:20px;color:var(--navy);letter-spacing:.04em;}
.brand-en{font-size:10px;letter-spacing:.18em;color:var(--gray);}

.gnav ul{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none;}
.gnav a{
  display:block;padding:10px 14px;font-size:14px;font-weight:500;color:var(--ink);
  border-radius:6px;transition:.2s;
}
.gnav a:hover{color:var(--steel);background:var(--bg-alt);}
.gnav-cta a{
  background:var(--accent);color:#fff;font-weight:700;margin-left:8px;
}
.gnav-cta a:hover{background:var(--accent-dark);color:#fff;}

.nav-toggle{display:none;}
.nav-toggle-btn{display:none;}

/* ===== ヒーロー ===== */
.hero{position:relative;color:#fff;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(120deg,rgba(14,34,55,.92),rgba(55,97,140,.82)),
    repeating-linear-gradient(135deg,#3a4654 0 22px,#33404e 22px 44px);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 20%,rgba(200,134,47,.28),transparent 45%);
}
.hero-inner{
  position:relative;z-index:1;
  max-width:var(--maxw);margin:0 auto;padding:96px 24px 104px;
}
.hero-lead{
  display:inline-block;margin:0 0 18px;
  font-size:14px;letter-spacing:.12em;
  padding:6px 16px;border:1px solid rgba(255,255,255,.4);border-radius:99px;
}
.hero-title{
  font-family:"Noto Serif JP",serif;font-weight:700;
  font-size:clamp(28px,5vw,46px);line-height:1.45;margin:0 0 22px;
  text-shadow:0 2px 12px rgba(0,0,0,.25);
}
.hero-sub{font-size:clamp(14px,2.2vw,17px);line-height:2;margin:0 0 36px;color:rgba(255,255,255,.92);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== ボタン ===== */
.btn{
  display:inline-block;padding:14px 26px;border-radius:8px;
  font-weight:700;font-size:15px;transition:.2s;cursor:pointer;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);}
.btn-outline{border:1.5px solid rgba(255,255,255,.7);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.section .btn-outline{border-color:var(--steel);color:var(--steel);}
.section .btn-outline:hover{background:var(--bg-alt);}

/* ===== セクション共通 ===== */
.section{padding:84px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{text-align:center;margin-bottom:48px;}
.section-en{
  margin:0 0 6px;font-size:13px;letter-spacing:.24em;font-weight:700;color:var(--accent);
}
.section-title{
  font-family:"Noto Serif JP",serif;font-weight:700;
  font-size:clamp(24px,4vw,34px);margin:0;color:var(--navy);position:relative;display:inline-block;padding-bottom:14px;
}
.section-title::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:48px;height:3px;background:var(--accent);border-radius:2px;
}
.section-desc{margin:16px 0 0;color:var(--gray);font-size:15px;}

.lead-text{
  max-width:840px;margin:0 auto 48px;text-align:center;font-size:16px;color:var(--ink);
}
.lead-text strong{color:var(--accent-dark);}

/* ===== カードグリッド ===== */
.card-grid{display:grid;gap:24px;}
.card-grid-2{grid-template-columns:repeat(2,1fr);}

.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;box-shadow:var(--shadow);
}
.info-card-icon{
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-stone);font-size:26px;margin-bottom:16px;
}
.info-card h3{margin:0 0 10px;font-size:19px;color:var(--navy);}
.info-card p{margin:0;color:var(--gray);font-size:15px;}

.note-bar{
  margin-top:36px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  background:var(--navy);color:#fff;border-radius:var(--radius);padding:18px 26px;
}
.note-bar-label{
  background:var(--accent);color:#fff;font-weight:700;font-size:13px;
  padding:4px 14px;border-radius:99px;flex:none;
}
.note-bar a{color:#fff;font-weight:700;text-decoration:underline;}

/* ===== 取扱商品 ===== */
.product-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.product-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);border-top:4px solid var(--steel);
  transition:.2s;
}
.product-card:hover{transform:translateY(-3px);border-top-color:var(--accent);}
.product-card-wide{grid-column:span 2;}
.product-name{
  margin:0 0 4px;font-size:20px;color:var(--navy);font-family:"Noto Serif JP",serif;
}
.product-name-sub{font-size:14px;color:var(--gray);font-family:"Noto Sans JP";font-weight:400;}
.product-photo{
  margin:16px 0 14px;
  border-radius:8px;
  overflow:hidden;
  background:var(--bg-stone);
  border:1px solid var(--line);
}
.product-photo img{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
}
.product-photo figcaption{
  padding:8px 10px;
  font-size:13px;
  font-weight:700;
  color:var(--steel);
  background:#fff;
}
.product-tag{
  display:inline-block;margin:0 0 14px;font-size:12px;color:var(--steel);
  background:var(--bg-stone);padding:3px 12px;border-radius:99px;font-weight:500;
}
.spec-list{list-style:none;margin:10px 0 0;padding:0;}
.spec-list li{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.spec-list li:last-child{border-bottom:0;}
.spec-list span{font-size:13px;color:var(--gray);}
.spec-list b{font-size:16px;color:var(--ink);letter-spacing:.02em;}

.spec-table{width:100%;border-collapse:collapse;margin-top:8px;}
.spec-table th,.spec-table td{padding:11px 12px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);}
.spec-table thead th{background:var(--navy);color:#fff;font-weight:500;font-size:13px;}
.spec-table tbody td:first-child{font-weight:700;color:var(--steel);}
.spec-table tbody tr:nth-child(even){background:var(--bg-alt);}

.mark{font-style:normal;color:var(--accent-dark);font-weight:700;font-size:.9em;}
.products-note{text-align:right;margin-top:22px;color:var(--gray);font-size:14px;}

/* ===== 品質 ===== */
.quality-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow);
}
.quality-card-title{
  margin:0 0 18px;font-size:17px;color:var(--navy);line-height:1.5;
  padding-bottom:14px;border-bottom:2px solid var(--bg-stone);
}
.quality-list{list-style:none;margin:0;padding:0;}
.quality-list li{display:flex;align-items:flex-start;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line);}
.quality-list li:last-child{border-bottom:0;}
.quality-freq{
  flex:none;background:var(--steel);color:#fff;font-weight:700;font-size:13px;
  padding:6px 12px;border-radius:6px;white-space:nowrap;
}
.quality-body{font-size:15px;color:var(--ink);}
.quality-body small{color:var(--gray);font-size:13px;}

/* ===== 会社概要 ===== */
.company-table{
  width:100%;max-width:860px;margin:0 auto;border-collapse:collapse;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
}
.company-table th,.company-table td{
  text-align:left;padding:16px 22px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top;
}
.company-table tr:last-child th,.company-table tr:last-child td{border-bottom:0;}
.company-table th{
  width:170px;background:var(--navy);color:#fff;font-weight:500;
}
.company-table td a{color:var(--steel);font-weight:700;}
.tbd-mark{
  display:inline-block;color:var(--gray);font-size:13px;background:var(--bg-stone);
  padding:2px 12px;border-radius:99px;letter-spacing:.05em;
}
.company-note{max-width:860px;margin:14px auto 0;color:var(--gray);font-size:13px;}

/* ===== アクセス ===== */
.access-wrap{display:grid;grid-template-columns:340px 1fr;gap:32px;align-items:stretch;}
.access-info{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;box-shadow:var(--shadow);
}
.access-zip{margin:0;color:var(--gray);font-size:14px;}
.access-addr{margin:4px 0 22px;font-size:20px;font-weight:700;color:var(--navy);font-family:"Noto Serif JP",serif;line-height:1.6;}
.access-dl{margin:0 0 24px;}
.access-dl div{display:flex;gap:14px;padding:8px 0;border-bottom:1px dashed var(--line);}
.access-dl dt{flex:none;width:54px;color:var(--gray);font-size:14px;margin:0;}
.access-dl dd{margin:0;font-weight:700;font-size:16px;}
.access-dl dd a{color:var(--steel);}
.access-map{
  border-radius:var(--radius);overflow:hidden;min-height:380px;border:1px solid var(--line);box-shadow:var(--shadow);
}
.access-map iframe{display:block;width:100%;height:100%;min-height:380px;}

/* ===== お問い合わせ ===== */
.contact-section{
  background:linear-gradient(120deg,var(--navy-dark),var(--steel));color:#fff;
}
.section-en-light{color:#ffd28a;}
.section-title-light{color:#fff;}
.section-title-light::after{background:#ffd28a;}
.section-desc-light{color:rgba(255,255,255,.88);}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:760px;margin:0 auto;}
.contact-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius);padding:32px;text-align:center;
}
.contact-label{margin:0 0 10px;font-size:14px;letter-spacing:.08em;color:rgba(255,255,255,.85);}
.contact-tel{
  display:block;font-family:"Noto Serif JP",serif;font-weight:700;
  font-size:clamp(26px,4vw,34px);color:#fff;letter-spacing:.02em;
}
.contact-fax{cursor:default;}

/* ===== フッター ===== */
.site-footer{background:var(--navy-dark);color:rgba(255,255,255,.8);padding:48px 0 0;}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:32px;}
.footer-name{font-family:"Noto Serif JP",serif;font-weight:700;font-size:20px;color:#fff;margin:0 0 10px;}
.footer-addr{margin:0;font-size:13px;line-height:1.9;}
.footer-nav{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:flex-start;}
.footer-nav a{font-size:14px;color:rgba(255,255,255,.8);transition:.2s;}
.footer-nav a:hover{color:#ffd28a;}
.copyright{
  margin:0;text-align:center;font-size:12px;letter-spacing:.05em;
  padding:18px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.6);
}

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width:900px){
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .product-card-wide{grid-column:span 2;}
  .access-wrap{grid-template-columns:1fr;}
}

@media (max-width:768px){
  /* ハンバーガー */
  .nav-toggle-btn{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;cursor:pointer;
  }
  .nav-toggle-btn span{display:block;height:2px;width:24px;background:var(--navy);transition:.3s;margin:0 auto;}
  .gnav{
    position:fixed;inset:72px 0 auto 0;background:#fff;
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;box-shadow:0 12px 24px rgba(0,0,0,.08);
  }
  .gnav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 16px;}
  .gnav a{padding:14px 12px;border-bottom:1px solid var(--line);border-radius:0;}
  .gnav li:last-child a{border-bottom:0;}
  .gnav-cta a{margin:10px 0 4px;text-align:center;border-radius:8px;}
  .nav-toggle:checked ~ .gnav{max-height:80vh;}
  .nav-toggle:checked ~ .nav-toggle-btn span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle:checked ~ .nav-toggle-btn span:nth-child(2){opacity:0;}
  .nav-toggle:checked ~ .nav-toggle-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
}

@media (max-width:600px){
  .section{padding:60px 0;}
  .hero-inner{padding:70px 22px;}
  .card-grid-2{grid-template-columns:1fr;}
  .product-grid{grid-template-columns:1fr;}
  .product-card-wide{grid-column:span 1;}
  .contact-grid{grid-template-columns:1fr;}
  .company-table th{width:120px;padding:14px;}
  .company-table td{padding:14px;}
  .brand-en{display:none;}
  .hero-actions .btn{width:100%;text-align:center;}
}