/* ==========================================================
   Harika コーポレートサイト 共通スタイルシート
   ========================================================== */

:root{
  --navy:#0f2a43;
  --navy-deep:#081a2c;
  --teal:#1c7d8c;
  --teal-light:#e6f3f4;
  --ink:#1c2733;
  --sub:#5b6b7a;
  --bg:#ffffff;
  --bg-soft:#f5f8fa;
  --line:#e2e8ee;
  --gold:#b8924a;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
section{padding:96px 0;}
@media (max-width:768px){ section{padding:64px 0;} }
h1,h2,h3{font-weight:700;letter-spacing:.02em;}

/* ---------- Header / Nav ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1120px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{font-size:22px;font-weight:900;color:var(--navy);letter-spacing:.05em;}
.main-nav{display:flex;}
.main-nav > ul{display:flex;gap:32px;align-items:center;}
.main-nav > ul > li{position:relative;}
.main-nav a{font-size:14px;font-weight:500;color:var(--ink);}
.main-nav > ul > li > a:hover{color:var(--teal);}
.main-nav > ul > li.active > a{color:var(--teal);}
.nav-cta{
  background:var(--navy);color:#fff;padding:10px 22px;border-radius:4px;
  font-size:14px;font-weight:500;white-space:nowrap;
}
.nav-cta:hover{background:var(--teal);}
.menu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--navy);}

/* mega menu (desktop) */
.has-mega .mega-panel{
  display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:#fff;border:1px solid var(--line);border-radius:8px;
  box-shadow:0 20px 40px rgba(15,42,67,.12);
  padding:28px;margin-top:16px;
  display:none;grid-template-columns:repeat(4,200px);gap:24px;
}
.has-mega .mega-panel::before{
  content:"";position:absolute;top:-16px;left:0;right:0;height:16px;
}
.has-mega:hover .mega-panel{display:grid;}
.mega-col h4{font-size:12px;color:var(--teal);letter-spacing:.08em;margin-bottom:12px;}
.mega-col ul{display:flex;flex-direction:column;gap:8px;}
.mega-col a{font-size:13.5px;color:var(--ink);}
.mega-col a:hover{color:var(--teal);}

@media (max-width:960px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);padding:20px 24px;max-height:80vh;overflow-y:auto;}
  .main-nav.open{display:block;}
  .main-nav > ul{flex-direction:column;align-items:flex-start;gap:4px;width:100%;}
  .has-mega .mega-panel{
    display:grid !important;position:static;transform:none;box-shadow:none;border:none;
    grid-template-columns:1fr;gap:20px;padding:12px 0 8px 16px;margin:0;
  }
  .mega-col ul{gap:6px;}
  .main-nav a{display:block;padding:10px 0;}
  .nav-cta{display:none;}
  .menu-btn{display:block;}
}

/* ---------- Hero (home) ---------- */
.hero{
  background:
    linear-gradient(120deg,rgba(8,26,44,.92),rgba(15,42,67,.88) 55%,rgba(28,125,140,.82)),
    url('../images/hero.jpg') center/cover no-repeat;
  color:#fff;padding:140px 0 120px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:480px;height:480px;
  border-radius:50%;background:rgba(255,255,255,.06);
}
.hero-inner{position:relative;max-width:720px;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.15em;color:var(--gold);
  border:1px solid rgba(184,146,74,.5);padding:6px 14px;border-radius:999px;margin-bottom:24px;
}
.hero h1{font-size:clamp(28px,4.2vw,44px);line-height:1.5;margin-bottom:20px;}
.hero p{font-size:16px;color:rgba(255,255,255,.85);max-width:560px;margin-bottom:40px;}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  display:inline-block;padding:15px 32px;border-radius:4px;font-weight:500;font-size:15px;
  transition:transform .15s ease;border:none;cursor:pointer;font-family:inherit;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--gold);color:#1c2733;}
.btn-outline{border:1px solid rgba(255,255,255,.6);color:#fff;}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{
  background:linear-gradient(135deg,var(--navy-deep),var(--navy));
  color:#fff;padding:72px 0 56px;
}
.breadcrumb{font-size:12.5px;color:rgba(255,255,255,.6);margin-bottom:16px;}
.breadcrumb a{color:rgba(255,255,255,.6);}
.breadcrumb a:hover{color:#fff;}
.page-hero .eyebrow{margin-bottom:16px;}
.page-hero h1{font-size:clamp(24px,3.4vw,34px);line-height:1.5;}
.page-hero p{color:rgba(255,255,255,.8);margin-top:14px;max-width:640px;font-size:15px;}

/* ---------- Section heading ---------- */
.sec-head{max-width:640px;margin:0 auto 56px;text-align:center;}
.sec-eyebrow{color:var(--teal);font-size:13px;letter-spacing:.15em;font-weight:700;margin-bottom:12px;}
.sec-head h2{font-size:clamp(22px,3vw,32px);color:var(--navy);margin-bottom:16px;}
.sec-head p{color:var(--sub);font-size:15px;}
.sec-head.left{margin:0 0 40px;text-align:left;}

/* ---------- Problems (home) ---------- */
.problems{background:var(--bg-soft);}
.problem-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.problem-card{
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px 24px;
  font-size:14.5px;color:var(--ink);position:relative;padding-left:52px;
}
.problem-card::before{
  content:"?";position:absolute;left:20px;top:24px;
  width:24px;height:24px;border-radius:50%;background:var(--teal-light);color:var(--teal);
  font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;
}

/* ---------- Service category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;}
.cat-card{
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;display:block;
}
.cat-card:hover{box-shadow:0 12px 28px rgba(15,42,67,.08);border-color:var(--teal);}
.cat-card-img{width:100%;height:150px;object-fit:cover;display:block;}
.cat-card-body{padding:26px 24px 32px;}
.cat-num{font-size:13px;color:var(--teal);font-weight:700;letter-spacing:.1em;margin-bottom:14px;}
.cat-card h3{font-size:18px;color:var(--navy);margin-bottom:12px;}
.cat-card p{font-size:14px;color:var(--sub);margin-bottom:18px;}
.cat-list li{padding:4px 0;border-top:1px dashed var(--line);font-size:13px;color:var(--sub);}
.cat-list li:first-child{border-top:none;}
.cat-list a:hover{color:var(--teal);}

/* ---------- Why us ---------- */
.why{background:var(--navy-deep);color:#fff;}
.why .sec-head p{color:rgba(255,255,255,.7);}
.why .sec-head h2{color:#fff;}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;}
.why-index{font-size:34px;font-weight:900;color:var(--gold);margin-bottom:16px;}
.why-card h3{font-size:17px;margin-bottom:10px;}
.why-card p{font-size:14px;color:rgba(255,255,255,.72);}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(120deg,var(--teal),#134a56);
  color:#fff;text-align:center;padding:80px 24px;border-radius:10px;
}
.cta h2{font-size:clamp(22px,3vw,30px);margin-bottom:16px;}
.cta p{color:rgba(255,255,255,.85);margin-bottom:32px;}
.cta .btn-primary{background:#fff;color:var(--navy);}

/* ---------- Footer ---------- */
footer{background:var(--navy-deep);color:rgba(255,255,255,.6);padding:64px 0 28px;font-size:13px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;
}
@media (max-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;} }
.footer-logo{color:#fff;font-size:20px;font-weight:900;margin-bottom:12px;}
.footer-col h4{color:#fff;font-size:13px;margin-bottom:16px;letter-spacing:.05em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
footer a:hover{color:#fff;}
.footer-contact li{margin-bottom:8px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}

/* ---------- About page ---------- */
.info-table{width:100%;border-collapse:collapse;margin-bottom:56px;}
.info-table th,.info-table td{
  text-align:left;padding:18px 20px;border-bottom:1px solid var(--line);font-size:14.5px;
}
.info-table th{width:180px;color:var(--sub);font-weight:500;background:var(--bg-soft);}
.greeting{
  background:var(--bg-soft);border-radius:10px;padding:40px;margin-bottom:56px;
}
.greeting h3{color:var(--navy);font-size:18px;margin-bottom:16px;}
.greeting p{font-size:14.5px;color:var(--sub);}
.business-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;}
.business-list li{
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:14px 18px;font-size:13.5px;
}
.about-photo{
  width:100%;height:320px;object-fit:cover;border-radius:10px;margin-bottom:56px;
}

/* ---------- Service detail page ---------- */
.service-hero .service-cat-tag{
  display:inline-block;background:rgba(255,255,255,.12);color:#fff;font-size:12px;
  padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.svc-banner{width:100%;height:280px;object-fit:cover;display:block;}
@media (max-width:700px){ .svc-banner{height:180px;} }
.service-section{padding:64px 0;border-bottom:1px solid var(--line);}
.service-section:last-of-type{border-bottom:none;}
.service-section h2{color:var(--navy);font-size:22px;margin-bottom:20px;}
.service-section > .wrap > p.lead{font-size:15px;color:var(--sub);max-width:760px;}

.offer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;}
.offer-card{
  border:1px solid var(--line);border-radius:8px;padding:20px 22px;font-size:14px;
  position:relative;padding-left:44px;
}
.offer-card::before{
  content:"\2713";position:absolute;left:16px;top:20px;color:var(--teal);font-weight:700;
}

.flow-list{counter-reset:flow;display:flex;flex-direction:column;gap:0;}
.flow-item{
  display:flex;gap:20px;padding:24px 0;border-top:1px solid var(--line);position:relative;
}
.flow-item:first-child{border-top:none;}
.flow-num{
  counter-increment:flow;flex:none;width:40px;height:40px;border-radius:50%;
  background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;
}
.flow-num::before{content:counter(flow);}
.flow-body h3{font-size:15.5px;color:var(--navy);margin-bottom:6px;}
.flow-body p{font-size:13.5px;color:var(--sub);}

.target-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;}
.target-list li{
  background:var(--bg-soft);border-radius:6px;padding:16px 20px;font-size:14px;
  padding-left:40px;position:relative;
}
.target-list li::before{
  content:"";position:absolute;left:18px;top:20px;width:8px;height:8px;border-radius:50%;background:var(--gold);
}

.effect-box{
  background:var(--teal-light);border-left:4px solid var(--teal);border-radius:6px;
  padding:28px 30px;font-size:14.5px;color:var(--ink);
}

.related-nav{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:32px 0;}
.related-nav a{font-size:13.5px;color:var(--teal);}
.related-nav a:hover{text-decoration:underline;}

/* ---------- Services index page ---------- */
.services-index-grid{display:flex;flex-direction:column;gap:56px;}
.services-index-cat h3{color:var(--navy);font-size:19px;margin-bottom:6px;}
.services-index-cat > p{color:var(--sub);font-size:13.5px;margin-bottom:20px;}
.services-index-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;}
.service-mini-card{
  border:1px solid var(--line);border-radius:8px;padding:20px;font-size:14px;color:var(--navy);
  font-weight:500;transition:border-color .2s ease,box-shadow .2s ease;
}
.service-mini-card:hover{border-color:var(--teal);box-shadow:0 8px 20px rgba(15,42,67,.08);}
.service-mini-card span{display:block;font-size:12.5px;color:var(--sub);font-weight:400;margin-top:6px;}

/* ---------- Contact page ---------- */
.contact-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:56px;}
@media (max-width:860px){ .contact-layout{grid-template-columns:1fr;} }
.contact-info h3{color:var(--navy);font-size:17px;margin-bottom:18px;}
.contact-info ul{display:flex;flex-direction:column;gap:16px;font-size:14px;color:var(--sub);}
.contact-info li strong{display:block;color:var(--ink);font-size:12.5px;margin-bottom:4px;}
.form-group{margin-bottom:22px;}
.form-group label{display:block;font-size:13.5px;color:var(--ink);margin-bottom:8px;font-weight:500;}
.form-group .req{color:#c0392b;margin-left:4px;font-size:12px;}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:6px;
  font-family:inherit;font-size:14px;color:var(--ink);background:#fff;
}
.form-group textarea{min-height:140px;resize:vertical;}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--teal);
}
.form-note{font-size:12.5px;color:var(--sub);margin-top:24px;}

/* placeholder note badge used for unconfirmed items */
.todo-flag{
  display:inline-block;background:#fdf1e0;color:#8a5a00;font-size:11.5px;
  padding:2px 8px;border-radius:4px;margin-left:8px;
}