:root{
  --black:#000000;
  --gray:#d7d7d7;
  --white:#fff;
}

*{box-sizing:border-box}

body{margin:0;background:var(--black);color:var(--white);font-family:"Yu Mincho","Hiragino Mincho ProN",serif;letter-spacing:.04em}

.site-shell{width:min(100%,1400px);margin:0 auto;background:#111;min-height:100vh;overflow:hidden}

.hero{position:relative;height:58vh;min-height:520px;display:grid;grid-template-rows:auto 1fr;overflow:hidden}

.slideshow,.slide{position:absolute;inset:0}
.slide{
  background-size:cover !important;
  background-position:center center !important;
  background-repeat:no-repeat !important;
  opacity:0;
  transition:opacity 1.4s ease;
  filter:brightness(.55) contrast(1.05);
}
.slide.is-active{opacity:1}.slide:nth-child(1){background:linear-gradient(135deg,#151515,#454545)}.slide:nth-child(2){background:linear-gradient(135deg,#202020,#585858)}.slide:nth-child(3){background:linear-gradient(135deg,#101820,#404850)}.slide:nth-child(4){background:linear-gradient(135deg,#1e1e1e,#666)}.slide:nth-child(5){background:linear-gradient(135deg,#080808,#333)}

.header{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:28px 30px}.logo{color:#fff;text-decoration:none;font:700 20px/1 Arial,sans-serif;letter-spacing:.01em}.mail{width:30px;height:30px;border:0px solid #fff;display:grid;place-items:center;color:#fff;text-decoration:none;font-family:Arial,sans-serif}

.hero-copy{position:relative;z-index:2;align-self:center;text-align:center;padding:0 30px;text-shadow:0 3px 20px #000}.hero-copy h1{font-size:clamp(32px,7vw,58px);font-weight:700;margin:0 0 18px}.hero-copy p{font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;font-size:clamp(15px,2.5vw,22px);font-weight:700;margin:0}

.ticker{background:#151515;color:#dadada;font-family:"Yu Gothic",sans-serif;white-space:nowrap;overflow:hidden;padding:12px 0}.ticker-track{display:inline-flex;gap:24px;animation:ticker 22s linear infinite}.ticker span{font-size:17px;font-weight:400}@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.contents{background:#000000;color:#ffffff;padding:28px 28px 40px;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif}.contents h2{text-align:center;color:#7d7d7d;font-family:"Yu Gothic",serif;font-size:24px;margin:0 0 26px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 36px}.card{appearance:none;border:0;background:transparent;color:#fff;text-align:left;cursor:pointer;padding:0;font:inherit}.thumb{display:grid;place-items:center;aspect-ratio:16/9;border:1px solid #525252;background:rgba(255,255,255,.16);margin-bottom:8px}.card strong{display:block;font-size:18px;font-weight:900;letter-spacing:.02em;text-align:center;}.card:hover .thumb{background:rgba(255,255,255,.32)}

.company{background:#f8f8f8;color:#222;padding:38px 34px 30px;text-align:center;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",serif}.company div{max-width:460px;margin:0 auto 18px;padding:10px 28px;border:1px solid #ddd;border-radius:999px;background:#fff}.company strong{font-size:18px}.company p{margin:5px 0 0;font-size:14px}.footer{background:#fff;color:#111;text-align:center;padding:14px;font:12px Arial,sans-serif;border-top:1px solid #ccc}

.thumb img{width:100%;height:100%;object-fit:cover;display:block;}

.modal{width:min(92%,560px);border:0;padding:24px;background:#fff;color:#111;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN","Meiryo",sans-serif}.modal::backdrop{background:rgba(0,0,0,.75)}.close{position:absolute;right:10px;top:8px;border:0;background:#111;color:#fff;border-radius:50%;width:28px;height:28px;cursor:pointer}.modal-image{aspect-ratio:16/9;background:#ddd;display:grid;place-items:center;margin-bottom:18px}.modal h3{margin:0 0 10px}.modal a{color:#111;font-weight:bold}

.modal-image img{width:100%;height:100%;object-fit:cover;display:block;}

@media (max-width:620px){
  .site-shell{width:100%}
  .hero{height:52vh;min-height:420px}
  .slide{
    background-size:contain !important;
    background-position:center center !important;
    background-repeat:no-repeat !important;
    background-color:#000000;
  }
  .header{padding:22px}
  .hero-copy{padding:0 22px}
  .cards{grid-template-columns:1fr;gap:24px}
  .contents{padding:26px 22px 36px}
  .company{padding:30px 20px}
  .company div{border-radius:24px}
  .ticker-track{animation-duration:18s}
}