:root{
  --bg:#f9f9f9;
  --text:#424242;
  --sub:#6f6f6f;
  --line:#dfdfdf;
  --card:#ffffff;
  --muted:#efefef;
  --muted2:#e3e3e3;
  --dark:#030910;
  --accent:#5da6e8;
  --accent-soft:#eef6fd;
  --warm:#f2b36a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",sans-serif;background:var(--bg);color:var(--text);line-height:1.8}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:#f9f9f9cc;backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid rgba(66,66,66,.08)}
.header-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:92px}
.brand-logo{width:210px;height:auto}
.site-nav{display:flex;gap:28px;flex-wrap:wrap}
.site-nav a,.footer-nav a{font-size:.95rem;letter-spacing:.16em;color:#4d4d4d}
.hero{background:linear-gradient(180deg,#0a0d11 0%, #1b2430 32%, #eef1f3 100%);padding:72px 0 96px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-grid>*{min-width:0}
.eyebrow{margin:0 0 14px;font-size:.9rem;font-weight:700;letter-spacing:.18em;color:#0f2540;text-transform:uppercase}
.hero .eyebrow{color:#dfe7ef}
h1{margin:0;font-size:clamp(2.6rem,6vw,5rem);line-height:1.05;letter-spacing:-.03em;color:#fff}
.hero .lead{font-size:1.28rem;font-weight:600;color:#ebf0f4;margin:22px 0 10px}
.hero .body-copy{color:#d0d7de;max-width:44em}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.hero-tags span{display:inline-flex;padding:7px 14px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#eff3f7;background:rgba(255,255,255,.06);font-size:.9rem}
.placeholder-visual{position:relative;background:linear-gradient(180deg,#e8e8e8,#d8d8d8);border:1px solid #d0d0d0;border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;color:#777;overflow:hidden}
.placeholder-visual::before,.placeholder-visual::after{content:"";position:absolute;background:#c9c9c9;opacity:.7}
.placeholder-visual::before{width:150%;height:1px;transform:rotate(24deg)}
.placeholder-visual::after{width:150%;height:1px;transform:rotate(-24deg)}
.placeholder-visual.large{aspect-ratio:1.2/1;min-height:420px}
.ph-icon,.ph-title,.ph-size{position:relative;z-index:1}
.ph-icon{font-size:1.25rem;font-weight:700;letter-spacing:.08em}
.ph-title{margin-top:8px;font-size:1rem;font-weight:700}
.ph-size{font-size:.88rem;color:#888}
.section{padding:96px 0}
.section-overview{background:#f9f9f9}
.section-flow{background:#f3f4f6}
.section-works{background:#fafafa}
.section-heading{margin-bottom:38px}
.section-heading.narrow{text-align:center;max-width:700px;margin:0 auto 38px}
.section-heading h2{margin:0 0 10px;font-size:clamp(2rem,3.8vw,3rem);line-height:1.15;letter-spacing:-.03em;color:#1d1d1d}
.section-heading p{margin:0;color:#6b6b6b}
.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.service-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 10px 25px rgba(0,0,0,.03);display:flex;flex-direction:column;gap:14px}

.service-card-media{padding:0;overflow:hidden}
.service-media{aspect-ratio:4/3;overflow:hidden;background:#0e1116;border-bottom:1px solid var(--line)}
.service-media img{width:100%;height:100%;object-fit:cover;display:block}
.service-media-light{background:#f5f5f5}
.service-media-light img{object-fit:cover;padding:0}
.service-card-media .service-content{padding:18px 18px 20px}

.service-icon-wrap{width:124px;height:124px;border-radius:24px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f6fbff,#edf4f9);border:1px solid #dce8f3}
.service-icon{width:88px;height:88px}
.service-content h3{margin:0 0 8px;font-size:1.05rem;line-height:1.3}
.service-content p{margin:0;color:#666;font-size:.9rem;line-height:1.75}
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.flow-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px 22px;min-height:250px;display:flex;flex-direction:column}
.flow-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px}
.flow-icon-wrap{width:78px;height:78px;border-radius:20px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;border:1px solid #dce8f3;flex-shrink:0}
.flow-icon{width:64px;height:64px}
.flow-num{font-size:2rem;font-weight:700;line-height:1;color:#b2b8be;margin-top:6px}
.flow-card h3{margin:0 0 10px;font-size:1.3rem}
.flow-card p{margin:0;color:#666}
.works-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.work-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.work-thumb{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:#e4e4e4;padding:18px;text-align:center}
.work-thumb span{font-size:1rem;font-weight:700;letter-spacing:.03em;color:#767676}
.gray-out{filter:grayscale(1);background:linear-gradient(180deg,#ececec,#dcdcdc)}

.work-thumb-image{padding:0;background:#f5f5f5}
.work-thumb-image img{display:block;width:100%;height:100%;object-fit:contain}

.work-card h3{font-size:1rem;margin:14px 14px 16px;color:#555}
.contact-box{display:flex;align-items:center;justify-content:space-between;gap:28px;background:#fff;border:1px solid var(--line);border-radius:26px;padding:36px 40px;box-shadow:0 12px 30px rgba(0,0,0,.03)}
.contact-box h2{margin:0 0 8px;font-size:clamp(1.8rem,3.2vw,2.4rem);line-height:1.2}
.contact-box p{margin:0;color:#666}
.cta-button{display:inline-flex;align-items:center;justify-content:center;min-width:230px;padding:18px 28px;border-radius:999px;background:#1e1e1e;color:#fff;font-weight:700;letter-spacing:.06em}
.site-footer{position:relative;padding:54px 0;background:radial-gradient(circle at 20% 30%, rgba(71,153,219,.25), transparent 18%),radial-gradient(circle at 75% 40%, rgba(255,192,120,.18), transparent 14%),linear-gradient(180deg,#07101c,#02070c);color:#fff;overflow:hidden}
.site-footer::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 15% 65%, rgba(90,184,255,.8) 0 2px, transparent 5px),radial-gradient(circle at 45% 30%, rgba(255,255,255,.8) 0 2px, transparent 5px),radial-gradient(circle at 72% 55%, rgba(90,184,255,.8) 0 2px, transparent 5px),radial-gradient(circle at 85% 25%, rgba(255,190,120,.9) 0 2px, transparent 5px);opacity:.9;pointer-events:none}
.footer-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.footer-brand p{margin:14px 0 0;color:#e8edf3}
.footer-logo{width:210px;height:auto}
.footer-logo-white{filter:brightness(0) invert(1)}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap}
.footer-nav a{color:#fff;opacity:.92}
@media (max-width: 1100px){
  .hero-grid,.contact-box{grid-template-columns:1fr;display:grid}
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .works-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width: 820px){
  .header-inner{min-height:78px;align-items:center}
  .site-nav{display:none}
  .hero{padding:52px 0 70px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .placeholder-visual.large{min-height:280px}
  .hero-image{min-height:280px;aspect-ratio:4/3}
  .hero-image img{width:100%;height:100%;object-fit:cover;object-position:center center;filter:brightness(.90) saturate(.92) contrast(1.03)}
  .service-grid,.flow-grid,.works-grid{grid-template-columns:1fr}
  .contact-box{padding:28px 22px}
  .cta-button{width:100%}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .container{width:min(100% - 32px, 1180px)}
  h1{font-size:clamp(2.4rem,14vw,4rem)}
  .section{padding:72px 0}
  .service-card{padding:20px}
  .service-icon-wrap{width:104px;height:104px;border-radius:20px}
  .service-icon{width:74px;height:74px}
  .flow-icon-wrap{width:68px;height:68px}
  .flow-icon{width:56px;height:56px}
}


.hero-image{position:relative;width:100%;max-width:100%;min-width:0;aspect-ratio:1.2/1;min-height:420px;border-radius:20px;overflow:hidden;background:#101820;border:1px solid rgba(255,255,255,.08);box-shadow:0 22px 50px rgba(0,0,0,.18)}
.hero-image img{width:100%;height:100%;object-fit:cover;object-position:center 45%;filter:brightness(.76) saturate(.86) contrast(1.08)}
.hero-image::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,13,17,.16),rgba(10,13,17,0) 52%,rgba(10,13,17,.18)),linear-gradient(180deg,rgba(8,12,18,.06),rgba(8,12,18,.14));pointer-events:none}
@media (max-width:820px){
  .container{width:calc(100% - 32px);max-width:1180px}
  .hero-image{width:100%;max-width:100%;min-height:0;aspect-ratio:4/3}
}