/* ===========================================================
   合同会社 起縁 (Kien) — Corporate Site Demo
   =========================================================== */

:root{
  --navy-950:#0c1a30;
  --navy-900:#102341;
  --navy-800:#15335c;
  --navy-700:#1d4273;
  --gold-600:#a9801f;
  --gold-500:#c6a24a;
  --gold-100:#f4ead2;
  --ink-900:#1c2430;
  --ink-700:#3d4653;
  --ink-500:#6b7280;
  --paper:#f7f7f5;
  --paper-2:#ffffff;
  --line:#e4e2dc;
  --shadow:0 12px 32px -12px rgba(12,26,48,.18);
  --radius:14px;
  --maxw:1140px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  color:var(--ink-900);
  background:var(--paper);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:88px 0;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.02em;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--gold-600);
  font-weight:700;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold-500);display:inline-block;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head h2{font-size:30px;color:var(--navy-950);line-height:1.5;}
.section-head p{color:var(--ink-700);margin-top:14px;font-size:15.5px;}
.center{text-align:center;margin-left:auto;margin-right:auto;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,247,245,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:82px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;border-radius:9px;
  background:linear-gradient(145deg,var(--navy-900),var(--navy-700));
  display:flex;align-items:center;justify-content:center;
  color:var(--gold-500);font-weight:700;font-size:18px;
  font-family:"Noto Serif JP",serif;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text .ja{font-size:16px;font-weight:700;color:var(--navy-950);letter-spacing:.04em;}
.brand-text .en{font-size:10.5px;letter-spacing:.18em;color:var(--ink-500);text-transform:uppercase;}

.main-nav{display:flex;align-items:center;gap:36px;}
.main-nav a{
  font-size:14.5px;font-weight:600;color:var(--ink-700);
  position:relative;padding:6px 0;
}
.main-nav a:hover,.main-nav a.active{color:var(--navy-950);}
.main-nav a.active::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--gold-500);
}
.nav-cta{
  background:var(--navy-950);color:#fff !important;
  padding:11px 22px;border-radius:999px;font-size:13.5px;
  font-weight:700;letter-spacing:.02em;
  display:inline-flex;align-items:center;gap:6px;
}
.nav-cta:hover{background:var(--navy-800);}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;color:var(--navy-950);
}

@media (max-width:860px){
  .main-nav{
    display:none;position:fixed;top:82px;left:0;right:0;bottom:0;
    background:var(--paper-2);flex-direction:column;align-items:flex-start;
    gap:0;padding:12px 24px 32px;overflow-y:auto;
  }
  .main-nav.open{display:flex;}
  .main-nav a{width:100%;padding:16px 0;border-bottom:1px solid var(--line);}
  .main-nav a.active::after{display:none;}
  .main-nav a.active{color:var(--gold-600);}
  .nav-cta{margin-top:18px;justify-content:center;width:100%;}
  .nav-toggle{display:inline-flex;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-weight:700;font-size:14.5px;
  letter-spacing:.02em;border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--navy-950);color:#fff;}
.btn-primary:hover{background:var(--navy-800);}
.btn-ghost{border:1px solid var(--navy-950);color:var(--navy-950);background:transparent;}
.btn-ghost:hover{background:var(--navy-950);color:#fff;}
.btn-gold{background:var(--gold-500);color:var(--navy-950);}
.btn-gold:hover{background:var(--gold-600);color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:120px 0 100px;overflow:hidden;
  background:linear-gradient(180deg,var(--navy-950) 0%,var(--navy-900) 60%,var(--navy-800) 100%);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(ellipse 600px 400px at 85% 15%, rgba(198,162,74,.16), transparent 60%),
    repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 2px, transparent 2px 46px);
  pointer-events:none;
}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-copy .eyebrow{color:var(--gold-500);}
.hero h1{font-size:40px;line-height:1.5;color:#fff;}
.hero h1 b{color:var(--gold-500);display:block;font-size:20px;font-weight:700;margin-top:6px;letter-spacing:.06em;}
.hero p.lead{color:#cbd4e3;font-size:16px;margin:24px 0 32px;max-width:480px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-figure{
  position:relative;border-radius:18px;overflow:hidden;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);
  border:1px solid rgba(255,255,255,.12);
}
.hero-figure img{width:100%;height:420px;object-fit:cover;}
.hero-badge{
  position:absolute;bottom:-26px;left:-26px;background:#fff;color:var(--navy-950);
  border-radius:14px;padding:18px 22px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:14px;min-width:220px;
}
.hero-badge .num{font-size:26px;font-weight:800;color:var(--navy-950);}
.hero-badge small{display:block;font-size:11.5px;color:var(--ink-500);letter-spacing:.04em;}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;}
  .hero h1{font-size:30px;}
  .hero-figure img{height:280px;}
  .hero-badge{left:16px;bottom:-22px;padding:14px 18px;}
}

/* ---------- Stats strip ---------- */
.stats-strip{background:var(--paper-2);border-bottom:1px solid var(--line);}
.stats-strip .wrap{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:40px 24px;
}
.stat{text-align:center;border-right:1px solid var(--line);padding:0 12px;}
.stat:last-child{border-right:none;}
.stat .num{font-size:28px;font-weight:800;color:var(--navy-950);}
.stat .num span{color:var(--gold-600);}
.stat .label{font-size:12.5px;color:var(--ink-500);margin-top:6px;letter-spacing:.03em;}
@media (max-width:700px){
  .stats-strip .wrap{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .stat:nth-child(2){border-right:none;}
}

/* ---------- Card grid (services / extensibility) ---------- */
.grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:transform .2s, box-shadow .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.card .icon-badge{
  width:48px;height:48px;border-radius:12px;background:var(--navy-950);
  display:flex;align-items:center;justify-content:center;color:var(--gold-500);margin-bottom:18px;
}
.card h3{font-size:17px;color:var(--navy-950);margin-bottom:10px;}
.card p{font-size:14px;color:var(--ink-700);margin:0;}
.card.card-add{
  border:2px dashed var(--line);background:transparent;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;color:var(--ink-500);
}
.card.card-add .icon-badge{background:transparent;border:2px dashed var(--line);color:var(--ink-500);}
.card.card-add strong{color:var(--navy-800);font-size:14.5px;display:block;margin-top:2px;}
.card.card-add span{font-size:12.5px;margin-top:6px;display:block;}

/* ---------- Image + text split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.split.reverse .split-figure{order:2;}
.split-figure img{border-radius:var(--radius);width:100%;height:360px;object-fit:cover;box-shadow:var(--shadow);}
.split-copy h2{font-size:26px;color:var(--navy-950);line-height:1.5;margin-bottom:18px;}
.split-copy p{color:var(--ink-700);font-size:15px;margin-bottom:14px;}
.check-list{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-700);}
.check-list li i{color:var(--gold-600);flex-shrink:0;margin-top:2px;width:18px;height:18px;}
@media (max-width:860px){
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-figure{order:0;}
  .split-figure img{height:260px;}
}

/* ---------- Timeline ---------- */
.timeline{display:flex;flex-direction:column;gap:0;border-left:2px solid var(--line);margin-left:10px;}
.t-item{position:relative;padding:0 0 40px 34px;}
.t-item:last-child{padding-bottom:0;}
.t-item::before{
  content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;
  background:var(--gold-500);border:3px solid var(--paper);
}
.t-item .t-date{font-size:12.5px;color:var(--gold-600);font-weight:700;letter-spacing:.05em;}
.t-item h4{font-size:16px;color:var(--navy-950);margin:6px 0 8px;}
.t-item p{font-size:14px;color:var(--ink-700);margin:0;}

/* ---------- Values row ---------- */
.value-row{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
@media (max-width:860px){.value-row{grid-template-columns:1fr;}}
.value-item{padding:30px;border-radius:var(--radius);background:var(--navy-950);color:#fff;}
.value-item .icon-badge{background:rgba(255,255,255,.08);color:var(--gold-500);}
.value-item h3{color:#fff;}
.value-item p{color:#c6cddb;}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(135deg,var(--navy-950),var(--navy-800));
  color:#fff;border-radius:20px;padding:56px;display:flex;align-items:center;
  justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-banner h2{font-size:24px;color:#fff;margin-bottom:8px;}
.cta-banner p{color:#c6cddb;margin:0;font-size:14.5px;}

/* ---------- Table (会社概要) ---------- */
.profile-table{width:100%;border-collapse:collapse;background:var(--paper-2);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.profile-table tr{border-bottom:1px solid var(--line);}
.profile-table tr:last-child{border-bottom:none;}
.profile-table th,.profile-table td{padding:20px 26px;text-align:left;font-size:14.5px;vertical-align:top;}
.profile-table th{
  width:220px;background:var(--navy-950);color:var(--gold-500);font-weight:700;
  letter-spacing:.03em;
}
.profile-table td{color:var(--ink-700);}
@media (max-width:700px){
  .profile-table, .profile-table tr, .profile-table th, .profile-table td{display:block;width:100%;}
  .profile-table th{padding-bottom:6px;}
  .profile-table td{padding-top:6px;padding-bottom:22px;}
}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{
  background:linear-gradient(160deg,var(--navy-950),var(--navy-800));
  color:#fff;padding:72px 0 56px;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 2px, transparent 2px 46px);
}
.page-hero .wrap{position:relative;}
.breadcrumb{font-size:12.5px;color:#9fb0c8;letter-spacing:.03em;margin-bottom:16px;}
.breadcrumb a{color:#9fb0c8;}
.breadcrumb a:hover{color:var(--gold-500);}
.page-hero h1{font-size:32px;color:#fff;}
.page-hero p{color:#c6cddb;margin-top:12px;max-width:560px;font-size:15px;}

/* ---------- News list ---------- */
.news-list{display:flex;flex-direction:column;}
.news-row{
  display:grid;grid-template-columns:120px 1fr auto;gap:24px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.news-row .date{font-size:13px;color:var(--ink-500);font-weight:700;}
.news-row .tag{
  display:inline-block;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;
  background:var(--gold-100);color:var(--gold-600);margin-bottom:8px;letter-spacing:.03em;
}
.news-row h4{font-size:15.5px;color:var(--navy-950);margin:0;}
.news-row i{color:var(--ink-500);}
@media (max-width:600px){
  .news-row{grid-template-columns:1fr;gap:6px;}
  .news-row i{display:none;}
}

/* ---------- Roadmap / future placeholder ---------- */
.roadmap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
@media (max-width:860px){.roadmap-grid{grid-template-columns:1fr;}}
.roadmap-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--paper-2);
  position:relative;
}
.roadmap-card .status{
  position:absolute;top:22px;right:22px;font-size:11px;font-weight:700;color:var(--ink-500);
  background:var(--paper);padding:4px 10px;border-radius:999px;border:1px solid var(--line);
}
.roadmap-card h4{font-size:15.5px;color:var(--navy-950);margin:0 0 10px;padding-right:60px;}
.roadmap-card p{font-size:13.5px;color:var(--ink-700);margin:0;}

/* ---------- Form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.contact-info-card{
  background:var(--navy-950);color:#fff;border-radius:var(--radius);padding:36px;
}
.contact-info-card h3{color:#fff;font-size:18px;margin-bottom:22px;}
.contact-info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px;}
.contact-info-row i{color:var(--gold-500);margin-top:2px;width:20px;height:20px;flex-shrink:0;}
.contact-info-row .label{font-size:11.5px;color:#9fb0c8;letter-spacing:.04em;margin-bottom:3px;}
.contact-info-row .value{font-size:14.5px;color:#fff;}
.form-group{margin-bottom:20px;}
.form-group label{display:block;font-size:13.5px;font-weight:700;color:var(--navy-950);margin-bottom:8px;}
.form-group label .req{color:#c0392b;font-size:11px;margin-left:6px;font-weight:700;}
.form-group input, .form-group select, .form-group textarea{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:14.5px;background:var(--paper-2);color:var(--ink-900);
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(198,162,74,.18);
}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:560px){.form-row-2{grid-template-columns:1fr;}}
.form-note{font-size:12.5px;color:var(--ink-500);margin-top:16px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);color:#c6cddb;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;row-gap:32px;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand .brand-text .ja{color:#fff;}
.footer-brand p{font-size:13.5px;color:#9fb0c8;margin-top:14px;max-width:280px;}
.footer-col h5{font-size:13px;color:#fff;letter-spacing:.04em;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:#9fb0c8;}
.footer-col a:hover{color:var(--gold-500);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:#7d8da3;
}

/* ---------- Misc ---------- */
.section-alt{background:var(--paper-2);}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--gold-100);color:var(--gold-600);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;margin-bottom:6px;
}