:root{
  --purple:#3B2645;
  --purple-2:#281831;
  --gold:#D6B86A;
  --gold-light:#F6E8B6;
  --paper:#FBF9F4;
  --soft:#F4F0E8;
  --ink:#251E29;
  --muted:#6F6872;
  --line:#E7E0D7;
  --white:#fff;
  --shadow:0 18px 45px rgba(34,23,40,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","YuGothic",Meiryo,sans-serif;line-height:1.9;letter-spacing:.035em}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(59,38,69,.08);backdrop-filter:blur(10px)}
.header-inner{height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{width:220px;overflow:hidden;display:flex;align-items:center}
.brand img{width:100%;height:68px;object-fit:contain;object-position:left center}
.nav{display:flex;align-items:center;gap:25px;font-family:Georgia,"Times New Roman",serif;font-size:13px;letter-spacing:.12em}
.nav a{position:relative;padding:9px 0}
.nav a:not(.contact-btn)::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;background:var(--gold);transition:.25s}
.nav a:hover::after,.nav a.active::after{width:100%}
.contact-btn{background:var(--purple);color:white!important;padding:11px 18px!important;border-radius:2px}
.menu-btn{display:none;border:0;background:none;color:var(--purple);font-weight:700;letter-spacing:.1em}
.top-fv{background:var(--paper)}
.top-fv img{width:100%;aspect-ratio:16/9;object-fit:cover}
.section{padding:96px 0}
.section.soft{background:var(--paper)}
.section.purple{background:var(--purple);color:#fff}
.eyebrow{font-family:Georgia,"Times New Roman",serif;color:#9D7E38;letter-spacing:.18em;font-size:13px;margin-bottom:12px}
.section-title,.page-hero h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;color:var(--purple);font-weight:500;letter-spacing:.05em}
.section-title{font-size:clamp(30px,3.2vw,48px);line-height:1.5;margin:0 0 30px}
.section-intro{max-width:790px;font-size:16px;color:#4F4852}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border:1px solid var(--purple);background:var(--purple);color:#fff;font-size:14px;letter-spacing:.06em;transition:.2s}
.btn:hover{transform:translateY(-1px);opacity:.92}
.btn.outline{background:transparent;color:var(--purple)}
.btn.gold{background:var(--gold);border-color:var(--gold);color:#261b2b}
.philosophy-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.philosophy-grid img{width:100%;aspect-ratio:4/3;object-fit:cover}
.business-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:46px}
.business-card{background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(31,23,35,.04);overflow:hidden}
.business-card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.business-card-body{padding:22px 18px 24px}
.business-card .num{font-family:Georgia,serif;color:var(--gold);font-size:22px}
.business-card h3{font-family:Georgia,serif;font-size:17px;margin:7px 0 5px;color:var(--purple)}
.business-card strong{font-size:14px}
.business-card p{font-size:13px;color:var(--muted);line-height:1.75;margin:12px 0 0}
.center{text-align:center;margin-top:42px}
.projects-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:start}
.project-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.project-card{position:relative;background:#fff;border:1px solid var(--line)}
.project-card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.project-card-body{padding:20px}
.project-card small{color:#9D7E38;letter-spacing:.08em}
.project-card h3{font-size:17px;color:var(--purple);margin:7px 0}
.insight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.insight-card{background:#fff;border:1px solid var(--line)}
.insight-card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.insight-card-body{padding:17px 18px 20px}
.insight-card small{color:#9D7E38;font-weight:700}
.insight-card h3{font-size:15px;line-height:1.7;margin:7px 0 0}
.company-split{display:grid;grid-template-columns:1fr 1.25fr;align-items:stretch}
.company-copy{background:var(--soft);padding:72px max(40px,calc((100vw - 1180px)/2))}
.company-copy p{max-width:520px}
.company-split img{width:100%;height:100%;min-height:440px;object-fit:cover}
.cta{text-align:center;padding:82px 0;background:var(--purple);color:white}
.cta h2{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:38px;font-weight:500;margin:0 0 16px}
.cta p{color:#e7dfe9}
.page-hero{padding:72px 0 58px;background:linear-gradient(180deg,#fff,#fbf9f4)}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:65px;align-items:center}
.page-hero h1{font-size:clamp(38px,5vw,64px);margin:0 0 18px;line-height:1.35;word-break:keep-all;overflow-wrap:normal}
.page-hero .lead{color:var(--muted);max-width:640px}
.page-hero-image img{width:100%;aspect-ratio:4/3;object-fit:cover}
.prose{max-width:900px}
.prose h2{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;color:var(--purple);font-size:28px;font-weight:500;margin:54px 0 18px}
.prose h3{color:var(--purple);margin-top:38px}
.prose p{margin:0 0 18px}
.prose ul{padding-left:1.4em}
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:38px}
.mission-box{padding:34px;border:1px solid var(--line);background:white}
.mission-box h2{font-family:Georgia,serif;color:var(--purple);font-weight:500;margin:0 0 16px}
.business-detail{display:grid;grid-template-columns:1fr 1.3fr;gap:55px;align-items:center;padding:42px 0;border-bottom:1px solid var(--line)}
.business-detail:nth-child(even) .detail-image{order:2}
.detail-image img{width:100%;aspect-ratio:3/2;object-fit:cover}
.business-detail h2{font-family:"Yu Mincho",serif;color:var(--purple);font-weight:500;font-size:30px;margin:8px 0 15px}
.business-detail .en{font-family:Georgia,serif;color:#9D7E38;letter-spacing:.08em}
.project-group{margin-top:55px}
.project-group h2{font-family:"Yu Mincho",serif;font-weight:500;color:var(--purple);font-size:32px}
.project-two{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px}
.project-large{background:white;border:1px solid var(--line)}
.project-large img{width:100%;aspect-ratio:3/2;object-fit:cover}
.project-large .body{padding:26px}
.project-large h3{color:var(--purple);font-size:22px;margin:0 0 10px}
.media-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}
.media-links a{border:1px solid var(--line);padding:12px 18px;background:white}
.company-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}
.company-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.representative{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center;margin-top:60px;padding-top:50px;border-top:1px solid var(--line)}
.representative img{width:100%;aspect-ratio:4/3;object-fit:cover}
.company-mark{margin-top:45px;padding:28px;background:#fff;border:1px solid var(--line)}
.company-mark img{width:min(520px,100%);margin:auto}
.info-table{margin:0}
.info-table div{display:grid;grid-template-columns:180px 1fr;border-top:1px solid var(--line);padding:17px 0}
.info-table div:last-child{border-bottom:1px solid var(--line)}
.info-table dt{font-weight:700;color:var(--purple)}
.info-table dd{margin:0}
.timeline{margin-top:45px}
.timeline-item{display:grid;grid-template-columns:160px 1fr;gap:32px;padding:20px 0;border-top:1px solid var(--line)}
.timeline-item:last-child{border-bottom:1px solid var(--line)}
.news-list{max-width:900px}
.news-item{display:grid;grid-template-columns:150px 1fr;gap:25px;padding:22px 0;border-top:1px solid var(--line)}
.news-item:last-child{border-bottom:1px solid var(--line)}
.news-date{font-family:Georgia,serif;color:#9D7E38}
.contact-grid{display:grid;grid-template-columns:minmax(340px,.9fr) minmax(0,1.35fr);gap:72px;align-items:start}
.form-row{margin-bottom:22px}
label{display:block;font-weight:700;margin-bottom:7px}
.required{color:#9A3346;font-size:12px;margin-left:6px}
input,select,textarea{width:100%;border:1px solid #d7d0d8;background:white;padding:13px 14px;font:inherit;color:var(--ink);border-radius:0}
textarea{min-height:200px;resize:vertical}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px}
.check input{width:auto;margin-top:7px}
.honeypot{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.form-note{font-size:13px;color:var(--muted)}
.status-box{max-width:720px;margin:0 auto;text-align:center;padding:55px 30px;border:1px solid var(--line);background:#fff}
.legal{max-width:920px}
.legal-table div{grid-template-columns:250px 1fr}
.site-footer{background:var(--purple-2);color:#eee5f0;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr 1fr 1fr;gap:42px}
.footer-name{font-family:"Yu Mincho",serif;font-size:22px;color:white;margin-bottom:14px}
.footer-company p{font-size:13px;color:#cfc4d2}
.footer-links{display:flex;flex-direction:column;gap:9px;font-size:13px}
.footer-label{font-family:Georgia,serif;color:var(--gold-light);letter-spacing:.12em;margin-bottom:6px}
.copyright{margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#a99dac}
@media(max-width:1050px){
  .business-cards{grid-template-columns:repeat(3,1fr)}
  .insight-grid{grid-template-columns:repeat(2,1fr)}
  .nav{gap:16px}
}
@media(max-width:820px){
  .container{width:min(100% - 32px,1180px)}
  .header-inner{height:72px}
  .brand{width:175px}.brand img{height:56px}
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:white;padding:24px 22px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}
  .nav.open{display:flex}
  .section{padding:68px 0}
  .philosophy-grid,.projects-grid,.page-hero-grid,.company-grid,.contact-grid,.representative{grid-template-columns:1fr;gap:34px}
  .business-cards{grid-template-columns:1fr 1fr}
  .project-cards,.project-two,.mission-grid{grid-template-columns:1fr}
  .company-split{grid-template-columns:1fr}
  .company-copy{padding:55px 24px}
  .company-split img{min-height:320px}
  .business-detail{grid-template-columns:1fr;gap:25px}
  .business-detail:nth-child(even) .detail-image{order:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .legal-table div,.info-table div,.timeline-item,.news-item{grid-template-columns:1fr;gap:5px}
}
@media(max-width:560px){
  .business-cards,.insight-grid{grid-template-columns:1fr}
  .top-fv img{aspect-ratio:auto}
  .section-title{font-size:30px}
  .cta h2{font-size:30px}
  .footer-grid{grid-template-columns:1fr}
}

/* 2026-09-01 下層ページ見出し・CONTACTレイアウト修正 */
.contact-grid .section-title{
  word-break:keep-all;
  overflow-wrap:normal;
  line-height:1.45;
}
@media (min-width:821px){
  .page-hero-grid > div:first-child{
    min-width:0;
  }
  .page-hero h1{
    white-space:nowrap;
  }
  .contact-grid > div:first-child{
    min-width:340px;
  }
}
@media (max-width:820px){
  .page-hero h1,
  .contact-grid .section-title{
    white-space:normal;
    word-break:normal;
    overflow-wrap:anywhere;
  }
}

/* 2026-09-01 TOP COMPANY社名：スマホでも1行表示 */
@media (max-width:820px){
  .company-split .company-copy .section-title{
    white-space:nowrap;
    word-break:keep-all;
    overflow-wrap:normal;
    font-size:clamp(20px,5.7vw,30px);
    letter-spacing:.01em;
  }
}

/* 2026-09-01 スマホ版フッター：余白を詰めてコンパクト化 */
@media (max-width:560px){
  .site-footer{padding:34px 0 18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px 28px}
  .footer-company{grid-column:1 / -1}
  .footer-name{font-size:20px;margin-bottom:8px;white-space:nowrap}
  .footer-company p{margin:0;font-size:12px;line-height:1.75}
  .footer-links{gap:7px;font-size:12px}
  .footer-label{margin-bottom:2px}
  .copyright{margin-top:24px;padding-top:14px}
}