@charset "UTF-8";
/* ============================================================
   エルバ株式会社  Renewal Stylesheet 2026
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Montserrat:wght@500;600;700&display=swap');

:root{
  --green:#00973d;
  --green-dark:#00722e;
  --ink:#1c2b24;
  --text:#333f39;
  --muted:#6d7a73;
  --bg:#ffffff;
  --bg-soft:#f4f7f5;
  --line:#e3e9e5;
  --footer:#122a1c;
  --radius:14px;
  --shadow:0 10px 30px rgba(18,42,28,.08);
  --shadow-hover:0 18px 40px rgba(18,42,28,.16);
  --font:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --font-en:"Montserrat","Noto Sans JP",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.9;
  font-size:16px;
  letter-spacing:.04em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;vertical-align:bottom;}
a{color:var(--green);text-decoration:none;transition:.3s;}
a:hover{opacity:.75;}
ul{list-style:none;}
.inner,.container{max-width:1120px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
#header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:box-shadow .3s;
}
#header.is-scrolled{box-shadow:0 2px 20px rgba(18,42,28,.1);}
#header .header-inner{
  max-width:1240px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
#header .logo img{width:auto;height:56px;display:block;}
#header .header-right{display:flex;align-items:center;gap:28px;}
#header .header-tel{text-align:right;line-height:1.4;display:block;}
#header .header-tel .num{
  font-family:var(--font-en);font-weight:700;font-size:20px;color:var(--ink);
  display:block;
}
#header .header-tel .num::before{content:"\260E";margin-right:6px;color:var(--green);font-size:16px;}
#header .header-tel .addr{font-size:11px;color:var(--muted);display:block;}

/* ---------- Global nav ---------- */
#gnav ul{display:flex;gap:4px;}
#gnav a{
  display:block;padding:10px 14px;color:var(--ink);
  font-weight:500;font-size:15px;border-radius:8px;position:relative;
}
#gnav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;transition:.3s;
}
#gnav a:hover{opacity:1;color:var(--green);}
#gnav a:hover::after,#gnav li.current a::after{transform:scaleX(1);}
#gnav .nav-contact a{
  background:var(--green);color:#fff;border-radius:999px;padding:10px 22px;margin-left:8px;
}
#gnav .nav-contact a::after{display:none;}
#gnav .nav-contact a:hover{background:var(--green-dark);color:#fff;}

/* hamburger */
#menuBtn{
  display:none;width:48px;height:48px;border:none;background:transparent;cursor:pointer;
  position:relative;z-index:1200;
}
#menuBtn span{
  display:block;width:26px;height:2px;background:var(--ink);margin:6px auto;transition:.35s;
}
#menuBtn.open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
#menuBtn.open span:nth-child(2){opacity:0;}
#menuBtn.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}

/* ---------- Hero (top) ---------- */
#hero{
  position:relative;height:min(88vh,760px);min-height:520px;overflow:hidden;
  margin-top:76px;
}
#hero .slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.6s ease;transform:scale(1.06);
}
#hero .slide.active{opacity:1;transform:scale(1);transition:opacity 1.6s ease,transform 7s linear;}
#hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,32,18,.62) 0%,rgba(6,32,18,.28) 55%,rgba(6,32,18,.08) 100%);
}
#hero .hero-copy{
  position:absolute;z-index:2;left:0;right:0;top:50%;transform:translateY(-50%);
}
#hero .hero-copy .inner{max-width:1120px;}
#hero .hero-copy .en{
  font-family:var(--font-en);color:#aef0c6;font-weight:600;letter-spacing:.3em;
  font-size:13px;text-transform:uppercase;display:block;margin-bottom:18px;
}
#hero h2{
  color:#fff;font-size:clamp(30px,5vw,56px);font-weight:900;line-height:1.5;
  letter-spacing:.08em;text-shadow:0 2px 24px rgba(0,0,0,.35);
}
#hero .hero-copy p{
  color:rgba(255,255,255,.92);margin-top:22px;font-size:clamp(14px,1.6vw,17px);
  font-weight:500;text-shadow:0 1px 12px rgba(0,0,0,.4);max-width:620px;
}

/* ---------- Page hero (subpages) ---------- */
#pageHero{
  position:relative;height:min(46vh,420px);min-height:260px;overflow:hidden;margin-top:76px;
  display:flex;align-items:center;justify-content:center;
}
#pageHero .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);}
#pageHero::after{content:"";position:absolute;inset:0;background:rgba(6,32,18,.5);}
#pageHero .page-title{position:relative;z-index:2;text-align:center;color:#fff;padding:0 24px;}
#pageHero .page-title .en{
  font-family:var(--font-en);font-size:12px;letter-spacing:.35em;color:#aef0c6;
  text-transform:uppercase;display:block;margin-bottom:10px;
}
#pageHero h2{font-size:clamp(26px,4vw,40px);font-weight:900;letter-spacing:.12em;}

/* ---------- Sections ---------- */
section.block{padding:96px 0;}
section.block.soft{background:var(--bg-soft);}
.sec-head{margin-bottom:48px;}
.sec-head .en{
  font-family:var(--font-en);color:var(--green);font-weight:700;font-size:13px;
  letter-spacing:.3em;text-transform:uppercase;display:block;margin-bottom:8px;
}
.sec-head h2,.sec-head h3{
  font-size:clamp(24px,3.4vw,36px);font-weight:900;color:var(--ink);
  line-height:1.4;letter-spacing:.06em;
}
.sec-head.center{text-align:center;}
.lead{font-size:clamp(15px,1.8vw,17px);max-width:760px;}
.center-lead{margin:0 auto;text-align:center;}

/* ---------- Cards ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px;
}
.card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;color:var(--text);transition:.35s;
}
a.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);opacity:1;}
.card .thumb{aspect-ratio:16/10;overflow:hidden;}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.6s;}
a.card:hover .thumb img{transform:scale(1.07);}
.card .body{padding:24px 26px 28px;flex:1;display:flex;flex-direction:column;}
.card .body .en{
  font-family:var(--font-en);font-size:11px;color:var(--green);letter-spacing:.25em;
  text-transform:uppercase;font-weight:600;
}
.card .body h3{font-size:19px;color:var(--ink);font-weight:700;margin:4px 0 10px;}
.card .body p{font-size:14px;color:var(--muted);line-height:1.8;}
.card .more{
  margin-top:auto;padding-top:16px;font-family:var(--font-en);font-size:12px;
  letter-spacing:.2em;color:var(--green);font-weight:600;
}
.card .more::after{content:"→";margin-left:8px;transition:.3s;display:inline-block;}
a.card:hover .more::after{transform:translateX(6px);}

/* ---------- News ---------- */
.news-list li{
  display:flex;align-items:center;gap:28px;padding:22px 8px;border-bottom:1px solid var(--line);
}
.news-list li:first-child{border-top:1px solid var(--line);}
.news-list time{
  font-family:var(--font-en);font-weight:600;color:var(--muted);font-size:14px;
  flex-shrink:0;letter-spacing:.05em;
}
.news-list .tag{
  flex-shrink:0;background:var(--green);color:#fff;font-size:11px;font-weight:700;
  padding:3px 14px;border-radius:999px;letter-spacing:.1em;
}
.news-list p{font-size:15px;color:var(--ink);}

/* ---------- Tables ---------- */
.data-table{width:100%;border-collapse:collapse;margin:8px 0 24px;}
.data-table th,.data-table td{
  padding:20px 18px;border-bottom:1px solid var(--line);vertical-align:top;
  text-align:left;font-size:15px;
}
.data-table tr:first-child th,.data-table tr:first-child td{border-top:2px solid var(--green);}
.data-table th{
  width:28%;color:var(--ink);font-weight:700;background:var(--bg-soft);
  white-space:nowrap;
}
.data-table td{background:#fff;}

/* ---------- Article / mission ---------- */
.article{max-width:900px;margin:0 auto;}
.article > p{margin-bottom:1.4em;}
.section-block{margin-bottom:88px;}
.section-block:last-child{margin-bottom:0;}
.section-block .section-title{
  font-size:clamp(22px,3vw,30px);font-weight:900;color:var(--ink);
  padding-left:18px;border-left:5px solid var(--green);line-height:1.4;
  margin-bottom:28px;letter-spacing:.06em;
}
.section-block h2{
  font-size:19px;font-weight:700;color:var(--ink);margin:44px 0 14px;
  padding-bottom:10px;border-bottom:2px solid var(--line);position:relative;
}
.section-block h2::after{
  content:"";position:absolute;left:0;bottom:-2px;width:64px;height:2px;background:var(--green);
}
.section-block p{margin-bottom:1.2em;}
.mission-img{
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  margin:18px 0 22px;
}
.mission-img img{width:100%;display:block;}
.feature-list{margin:14px 0 20px;}
.feature-list li{
  position:relative;padding:8px 0 8px 30px;border-bottom:1px dashed var(--line);font-size:15px;
}
.feature-list li::before{
  content:"✓";position:absolute;left:4px;top:8px;color:var(--green);font-weight:900;
}
.spec-box,.result-box{
  background:var(--bg-soft);border-left:4px solid var(--green);border-radius:0 10px 10px 0;
  padding:18px 22px;font-size:14.5px;margin:16px 0 22px;line-height:2;
}
.result-box strong{color:var(--green-dark);}

/* hero image inside article */
.hero-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:48px;}
.hero-image img{width:100%;display:block;}

/* ---------- Map ---------- */
.map-wrap{
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:40px;
}
.map-wrap iframe{display:block;width:100%;height:480px;border:0;}
.access-info{
  background:var(--bg-soft);border-radius:var(--radius);padding:32px 36px;margin-top:8px;
}
.access-info p{margin:0;}

/* ---------- CTA ---------- */
#cta{
  background:linear-gradient(120deg,var(--green-dark),var(--green));
  padding:72px 0;text-align:center;color:#fff;
}
#cta .en{font-family:var(--font-en);letter-spacing:.3em;font-size:12px;opacity:.85;text-transform:uppercase;}
#cta h2{font-size:clamp(22px,3vw,32px);font-weight:900;margin:10px 0 8px;letter-spacing:.08em;}
#cta p{opacity:.92;font-size:15px;}
#cta .cta-btns{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:32px;align-items:stretch;}
#cta .btn-tel{
  background:#fff;color:var(--green-dark);border-radius:999px;padding:14px 40px;
  font-family:var(--font-en);font-weight:700;font-size:22px;box-shadow:var(--shadow);
}
#cta .btn-tel small{
  display:block;font-family:var(--font);font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.1em;
}
#cta .btn-mail{
  border:2px solid #fff;color:#fff;border-radius:999px;padding:20px 48px;font-weight:700;font-size:16px;
  display:flex;align-items:center;
}
#cta .btn-mail:hover{background:#fff;color:var(--green-dark);opacity:1;}

/* ---------- Footer ---------- */
#footer{background:var(--footer);color:#cfe0d5;padding:64px 0 0;}
#footer .footer-inner{
  max-width:1120px;margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
#footer .footer-logo{
  background:#fff;border-radius:12px;padding:14px 22px;display:inline-block;
}
#footer .footer-logo img{width:160px;display:block;}
#footer .footer-company p{margin-top:18px;font-size:14px;line-height:2;}
#footer .footer-nav ul{display:grid;grid-template-columns:repeat(2,auto);gap:6px 40px;}
#footer .footer-nav a{color:#cfe0d5;font-size:14px;}
#footer .footer-nav a::before{content:"›";color:var(--green);margin-right:8px;}
#footer .footer-nav a:hover{color:#fff;opacity:1;}
#copyright{
  text-align:center;font-size:12px;color:#8aa695;border-top:1px solid rgba(255,255,255,.08);
  margin-top:56px;padding:22px 24px;letter-spacing:.08em;
}

/* page top */
#pageTop{
  position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;
  background:var(--green);color:#fff;border:none;cursor:pointer;z-index:900;
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.3s;font-size:18px;
}
#pageTop.show{opacity:1;pointer-events:auto;}
#pageTop:hover{background:var(--green-dark);}

/* ---------- Scroll reveal ---------- */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease;}
.fade-up.visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .fade-up{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- Contact form (inq) ---------- */
.form-wrap{max-width:860px;margin:0 auto;}
.form-note{text-align:center;color:var(--muted);font-size:13px;margin-bottom:36px;}
#mail_form dl{display:block;}
#mail_form dt{
  font-weight:700;color:var(--ink);margin:26px 0 8px;font-size:15px;
}
#mail_form dt span{
  font-family:var(--font-en);font-weight:600;font-size:10px;color:var(--green);
  letter-spacing:.2em;margin-left:12px;text-transform:uppercase;
}
#mail_form dd{margin:0;}
#mail_form input[type="text"],
#mail_form input[type="email"],
#mail_form input[type="tel"],
#mail_form textarea{
  width:100%;max-width:560px;padding:13px 16px;border:1.5px solid var(--line);
  border-radius:10px;font-family:var(--font);font-size:15px;background:var(--bg-soft);
  transition:.3s;
}
#mail_form input:focus,#mail_form textarea:focus{
  outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 3px rgba(0,151,61,.12);
}
#mail_form input#name_1,#mail_form input#name_2,
#mail_form input#read_1,#mail_form input#read_2{width:calc(50% - 60px);max-width:260px;}
#mail_form input#postal{width:180px;}
#mail_form textarea{max-width:100%;min-height:170px;}
#mail_form dd ul{display:flex;gap:24px;flex-wrap:wrap;}
#mail_form dd ul label{display:flex;align-items:center;gap:8px;cursor:pointer;}
#mail_form input[type="checkbox"]{accent-color:var(--green);width:18px;height:18px;}
#form_submit{text-align:center;margin:48px 0 0;}
#form_submit input{
  background:var(--green);color:#fff;border:none;border-radius:999px;
  padding:18px 72px;font-size:17px;font-weight:700;font-family:var(--font);
  cursor:pointer;transition:.3s;box-shadow:var(--shadow);letter-spacing:.2em;
}
#form_submit input:hover{background:var(--green-dark);transform:translateY(-2px);}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1024px){
  #gnav a{padding:10px 10px;font-size:14px;}
  #header .header-tel{display:none;}
}
@media (max-width:820px){
  body{font-size:15px;}
  /* backdrop-filterはfixed子要素の基準になるためモバイルでは無効化 */
  #header{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff;}
  #header .header-inner{height:64px;}
  #header .logo img{height:46px;width:auto;}
  #menuBtn{display:block;}
  #gnav{
    position:fixed;inset:0;background:#0b2415;z-index:1100;
    display:flex;align-items:center;justify-content:center;
    opacity:0;pointer-events:none;transition:.4s;
  }
  #gnav.open{opacity:1;pointer-events:auto;}
  #gnav ul{flex-direction:column;text-align:center;gap:10px;}
  #gnav a{color:#fff;font-size:19px;font-weight:700;padding:10px 20px;}
  #gnav a::after{display:none;}
  #gnav .nav-contact a{margin:10px 0 0;}
  #hero{margin-top:64px;height:72vh;min-height:440px;}
  #pageHero{margin-top:64px;height:34vh;min-height:200px;}
  section.block{padding:64px 0;}
  .card-grid{grid-template-columns:1fr;gap:20px;margin-top:36px;}
  .news-list li{flex-wrap:wrap;gap:10px 16px;}
  .news-list p{width:100%;}
  .data-table th,.data-table td{display:block;width:100%;}
  .data-table th{padding:12px 16px;}
  .data-table td{padding:14px 16px 18px;}
  .map-wrap iframe{height:360px;}
  #footer .footer-inner{flex-direction:column;gap:32px;}
  #mail_form input#name_1,#mail_form input#name_2,
  #mail_form input#read_1,#mail_form input#read_2{width:calc(50% - 8px);}
}