/* ==========================================================================
   GORSE BLEND ZONE — Ecological Landscape Restoration Consultation
   Core Stylesheet
   ========================================================================== */

:root{
  --bg-primary:#FAF9F4;
  --bg-secondary:#F0EFE5;
  --text-primary:#2B332B;
  --accent-main:#526A45;
  --accent-sub:#87956A;
  --accent-earth:#A38B68;
  --accent-grass:#C7B78D;
  --accent-tech:#66736D;
  --border-soft:rgba(43,51,43,0.12);
  --shadow-soft:0 10px 30px rgba(43,51,43,0.08);
  --radius-md:6px;
  --radius-lg:14px;
  --maxw:1180px;
  --font-jp: "Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-jp);
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.9;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h2.as-h3,h2.as-h4,h3.as-h4{line-height:1.5;font-weight:700;margin:0 0 .6em;letter-spacing:.01em;}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:72px 0;}
.section-tight{padding:48px 0;}
.bg-alt{background:var(--bg-secondary);}
.bg-dark{background:var(--text-primary);color:var(--bg-primary);}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;font-weight:700;
  color:var(--accent-main);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent-earth);display:inline-block;}

h2.section-title{font-size:clamp(24px,3vw,34px);color:var(--text-primary);}
.section-lead{max-width:760px;color:var(--text-primary);opacity:.82;font-size:16.5px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(250,249,244,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:42px;height:42px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text .en{font-weight:800;font-size:15px;letter-spacing:.07em;color:var(--text-primary);}
.brand-text .jp{font-size:11px;letter-spacing:.06em;color:var(--accent-tech);margin-top:3px;}

nav.main-nav{display:flex;align-items:center;gap:4px;}
nav.main-nav > ul{display:flex;align-items:center;gap:2px;}
nav.main-nav > ul > li{position:relative;}
nav.main-nav > ul > li > a, nav.main-nav > ul > li > button{
  display:inline-block;padding:10px 13px;font-size:14px;font-weight:600;
  color:var(--text-primary);border:none;background:none;cursor:pointer;font-family:var(--font-jp);
  border-radius:var(--radius-md);
}
nav.main-nav > ul > li > a:hover, nav.main-nav > ul > li > button:hover,
nav.main-nav > ul > li.active > a{
  background:var(--bg-secondary);color:var(--accent-main);
}
.has-dropdown{position:relative;}
.dropdown{
  position:absolute;top:100%;left:0;min-width:280px;
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-md);
  box-shadow:var(--shadow-soft);padding:8px;display:none;z-index:50;
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown{display:block;}
.dropdown a{display:block;padding:10px 12px;font-size:13.5px;border-radius:var(--radius-md);color:var(--text-primary);}
.dropdown a:hover{background:var(--bg-secondary);color:var(--accent-main);}
.dropdown a.current{color:var(--accent-main);font-weight:700;}

.nav-cta{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:700;font-size:14px;
  border:1.5px solid transparent;cursor:pointer;font-family:var(--font-jp);
  transition:transform .15s ease, box-shadow .15s ease;
}
.btn-primary{background:var(--accent-main);color:#fff;}
.btn-primary:hover{box-shadow:0 8px 18px rgba(82,106,69,.35);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--accent-main);border-color:var(--accent-main);}
.btn-outline:hover{background:var(--accent-main);color:#fff;}
.btn-ghost{background:transparent;color:var(--text-primary);border-color:var(--border-soft);}
.btn-ghost:hover{border-color:var(--accent-main);color:var(--accent-main);}
.btn-sm{padding:9px 16px;font-size:13px;}
.btn-block{width:100%;}

.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);margin:5px 0;transition:.2s;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:0;overflow:hidden;background:var(--bg-secondary);}
.hero-grid{
  max-width:var(--maxw);margin:0 auto;padding:68px 24px 0;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.hero-copy .eyebrow{color:var(--accent-earth);}
.hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:22px;}
.hero p.lead{font-size:17.5px;opacity:.85;max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px;}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-soft);}
.hero-media img{width:100%;height:440px;object-fit:cover;}
.hero-media figcaption{
  position:absolute;bottom:0;left:0;right:0;padding:14px 18px;
  background:linear-gradient(0deg,rgba(43,51,43,.78),transparent);
  color:#fff;font-size:12.5px;letter-spacing:.03em;
}
.hero-stats{display:flex;gap:28px;padding:26px 0 40px;flex-wrap:wrap;border-top:1px solid var(--border-soft);margin-top:10px;}
.hero-stats div{min-width:160px;}
.hero-stats strong{display:block;font-size:14px;color:var(--accent-main);margin-bottom:4px;}
.hero-stats span{font-size:13px;opacity:.75;}

/* ---------- Breadcrumb / page header ---------- */
.page-header{background:var(--bg-secondary);padding:52px 0 44px;border-bottom:1px solid var(--border-soft);}
.breadcrumb{font-size:12.5px;color:var(--accent-tech);margin-bottom:16px;}
.breadcrumb a{color:var(--accent-tech);}
.breadcrumb a:hover{color:var(--accent-main);}
.page-header h1{font-size:clamp(26px,3.4vw,38px);max-width:820px;}
.page-header .lead{max-width:720px;opacity:.85;font-size:16.5px;}
.page-cat{display:inline-block;background:var(--accent-main);color:#fff;font-size:11.5px;letter-spacing:.07em;padding:5px 12px;border-radius:999px;margin-bottom:16px;}

/* ---------- Cards / Grids ---------- */
.grid{display:grid;gap:26px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-lg);
  padding:28px;transition:box-shadow .2s ease, transform .2s ease;
}
.card:hover{box-shadow:var(--shadow-soft);transform:translateY(-3px);}
.card .icon{width:44px;height:44px;margin-bottom:16px;color:var(--accent-main);}
.card h3,
.card h2.as-h3{font-size:17.5px;}
.card p{font-size:14.5px;opacity:.82;margin-bottom:0;}
.card a.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--accent-main);}

.img-card{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-soft);background:#fff;}
.img-card img{width:100%;height:200px;object-fit:cover;}
.img-card .img-card-body{padding:20px;}
.img-card h3,
.img-card h2.as-h3{font-size:16px;}
.img-card p{font-size:13.5px;opacity:.8;}

/* ---------- Topic detail blocks (accordion-like structured sections) ---------- */
.topic-block{border-top:1px solid var(--border-soft);padding:40px 0;}
.topic-block:first-of-type{border-top:none;}
.topic-head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;flex-wrap:wrap;}
.topic-head .num{font-size:13px;color:var(--accent-earth);font-weight:800;letter-spacing:.06em;}
.topic-head h3,
.topic-head h2.as-h3{font-size:21px;margin:0;}
.subgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:18px;}
.subgrid .sg-item{background:var(--bg-secondary);border-radius:var(--radius-md);padding:16px 18px;}
.subgrid .sg-item h4,
.subgrid .sg-item h2.as-h4,
.subgrid .sg-item h3.as-h4{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-main);margin-bottom:8px;}
.subgrid .sg-item p{font-size:13.5px;margin-bottom:0;opacity:.85;}

.note-box{
  background:var(--bg-secondary);border-left:4px solid var(--accent-earth);
  border-radius:var(--radius-md);padding:18px 22px;font-size:14px;margin:22px 0;opacity:.92;
}
.note-box strong{color:var(--accent-main);}
.limit-box{
  background:#fff;border:1px dashed var(--accent-tech);border-radius:var(--radius-md);
  padding:18px 22px;font-size:14px;margin:22px 0;
}
.limit-box h4,
.limit-box h2.as-h4,
.limit-box h3.as-h4{font-size:13px;color:var(--accent-tech);letter-spacing:.05em;text-transform:uppercase;margin-bottom:8px;}

/* ---------- Process steps ---------- */
.steps{display:flex;flex-direction:column;gap:0;}
.step{display:grid;grid-template-columns:90px 1fr;gap:22px;padding:28px 0;border-top:1px solid var(--border-soft);}
.step:first-child{border-top:none;}
.step .step-num{font-size:30px;font-weight:800;color:var(--accent-grass);}
.step h3,
.step h2.as-h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;opacity:.85;margin-bottom:0;}

/* ---------- Tables ---------- */
table.data-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;}
table.data-table th,table.data-table td{padding:12px 14px;border:1px solid var(--border-soft);text-align:left;vertical-align:top;}
table.data-table th{background:var(--bg-secondary);font-weight:700;}

/* ---------- Service / article cards ---------- */
.service-card{display:grid;grid-template-columns:70px 1fr;gap:18px;padding:30px;background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-lg);}
.service-card .snum{font-size:26px;font-weight:800;color:var(--accent-sub);}
.service-card h3,
.service-card h2.as-h3{font-size:18px;}
.article-card{background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;height:100%;}
.article-card img{height:180px;object-fit:cover;width:100%;}
.article-card .ac-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.article-card .ac-cat{font-size:11px;color:var(--accent-main);font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:10px;}
.article-card h3,
.article-card h2.as-h3{font-size:16px;margin-bottom:10px;}
.article-card p{font-size:13.5px;opacity:.82;flex:1;}
.article-card .ac-link{margin-top:14px;font-size:13px;font-weight:700;color:var(--accent-main);}

.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.filter-bar button{
  padding:9px 16px;border-radius:999px;border:1px solid var(--border-soft);background:#fff;
  font-size:13px;font-weight:600;cursor:pointer;font-family:var(--font-jp);color:var(--text-primary);
}
.filter-bar button.active, .filter-bar button:hover{background:var(--accent-main);color:#fff;border-color:var(--accent-main);}

/* ---------- Article body ---------- */
.article-wrap{max-width:820px;margin:0 auto;}
.article-wrap h2{font-size:22px;margin-top:2.2em;color:var(--accent-main);}
.article-wrap h3,
.article-wrap h2.as-h3{font-size:18px;margin-top:1.6em;}
.article-wrap p{font-size:16px;opacity:.9;}
.article-wrap figure{margin:28px 0;}
.article-wrap figure img{border-radius:var(--radius-lg);}
.article-wrap figcaption{font-size:12.5px;opacity:.65;margin-top:8px;text-align:center;}
.article-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--accent-tech);margin-bottom:10px;}
.article-hero-img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius-lg);margin:26px 0 10px;}

/* ---------- Forms ---------- */
.form-wrap{background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-soft);}
.form-row{margin-bottom:22px;}
.form-row label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;}
.form-row label .req{color:#a65050;margin-left:4px;}
.form-row .hint{font-size:12px;opacity:.6;margin-top:6px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=file],select,textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border-soft);border-radius:var(--radius-md);
  font-family:var(--font-jp);font-size:14.5px;background:var(--bg-primary);color:var(--text-primary);
}
textarea{resize:vertical;min-height:120px;}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-sub);outline-offset:1px;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;}
.checkbox-row input{width:auto;margin-top:4px;}
.form-status{margin-top:18px;padding:14px 16px;border-radius:var(--radius-md);font-size:14px;display:none;}
.form-status.show{display:block;}
.form-status.ok{background:#E8EFE2;color:var(--accent-main);border:1px solid var(--accent-sub);}
.form-status.err{background:#F6E7E2;color:#8a4a30;border:1px solid #c98a66;}
.form-status.sending{background:var(--bg-secondary);color:var(--accent-tech);}
fieldset{border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:20px;margin:0 0 22px;}
legend{font-weight:700;font-size:13.5px;padding:0 8px;color:var(--accent-main);}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;width:0;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--accent-main);color:#fff;border-radius:var(--radius-lg);padding:48px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-band p{opacity:.88;margin-bottom:0;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-outline{color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-outline:hover{background:#fff;color:var(--accent-main);}
.cta-band .btn-primary{background:#fff;color:var(--accent-main);}

/* ---------- Footer ---------- */
.site-footer{background:var(--text-primary);color:#EDEAE0;padding:60px 0 24px;margin-top:60px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand .brand-text .en{color:#fff;}
.footer-brand .brand-text .jp{color:#C7B78D;}
.footer-brand p{font-size:13.5px;opacity:.7;margin:16px 0;max-width:280px;}
.footer-col h4,.footer-col .ft-title,
.footer-col h2.as-h4,
.footer-col h3.as-h4{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#C7B78D;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;opacity:.82;}
.footer-col a:hover{opacity:1;color:#C7B78D;}
.footer-contact li{font-size:13.5px;opacity:.82;margin-bottom:10px;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-size:12.5px;opacity:.6;flex-wrap:wrap;gap:10px;}
.footer-bottom .legal-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{opacity:1;color:#C7B78D;}

/* ---------- Misc ---------- */
.anchor-offset{scroll-margin-top:90px;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0;}
.tag{font-size:12px;padding:5px 12px;border-radius:999px;background:var(--bg-secondary);color:var(--accent-tech);}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.related-card{display:block;padding:18px 20px;background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-md);margin-bottom:12px;}
.related-card:hover{border-color:var(--accent-main);}
.related-card .rc-cat{font-size:11px;color:var(--accent-main);font-weight:700;letter-spacing:.04em;}
.related-card h4,
.related-card h2.as-h4,
.related-card h3.as-h4{font-size:14.5px;margin:6px 0 0;}
.toc{background:var(--bg-secondary);border-radius:var(--radius-md);padding:22px 26px;margin:0 0 36px;}
.toc h4,
.toc h2.as-h4,
.toc h3.as-h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-main);margin-bottom:12px;}
.toc li{font-size:14px;margin-bottom:8px;}
.toc a{color:var(--text-primary);}
.toc a:hover{color:var(--accent-main);}

.back-to-top{position:fixed;bottom:26px;right:26px;width:46px;height:46px;border-radius:50%;background:var(--accent-main);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-soft);opacity:0;pointer-events:none;transition:opacity .25s;z-index:400;}
.back-to-top.show{opacity:1;pointer-events:auto;}

/* ---------- Responsive ---------- */
@media (max-width: 1040px){
  nav.main-nav{display:none;}
  .menu-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-media img{height:300px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
  .two-col{grid-template-columns:1fr;}
}
@media (max-width: 1040px){
  nav.main-nav.mobile-open{
    display:block;position:fixed;inset:0;top:70px;background:var(--bg-primary);
    padding:20px;overflow-y:auto;z-index:900;
  }
  nav.main-nav.mobile-open > ul{flex-direction:column;align-items:stretch;gap:6px;}
  nav.main-nav.mobile-open .dropdown{position:static;display:block;box-shadow:none;border:none;padding:0 0 0 14px;}
  nav.main-nav.mobile-open .nav-cta{flex-direction:column;margin-top:20px;}
}
@media (max-width: 680px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  section{padding:52px 0;}
  .cta-band{padding:30px;flex-direction:column;align-items:flex-start;}
  .footer-top{grid-template-columns:1fr;}
  .hero-grid{padding-top:40px;}
  .service-card{grid-template-columns:50px 1fr;padding:22px;}
  .step{grid-template-columns:50px 1fr;}
}


.site-footer .ft-title{display:block;margin-top:0;font-weight:700;line-height:1.4}
.skip-link{position:absolute;left:-9999px;top:0;z-index:10000;background:#111;color:#fff;padding:10px 16px;font-size:14px;text-decoration:none;border-radius:0 0 6px 0}
.skip-link:focus{left:0;outline:2px solid #fff;outline-offset:-4px}

h2.as-h3{font-size:1.17em}
h2.as-h4{font-size:1em}
h3.as-h4{font-size:1em}
/*as-h*/