:root{
  --c-base:#f7f3ee;--c-paper:#fbf9f5;--c-ink:#2a2520;--c-ink-2:#5c5147;--c-ink-3:#8c8074;
  --c-walnut:#3a2e22;--c-walnut-2:#52402f;--c-brass:#b8884a;--c-brass-2:#d6a866;
  --c-line:#e6dfd3;--c-shadow:rgba(58,46,34,.08);
  --serif:'Noto Serif JP',serif;--sans:'Noto Sans JP',sans-serif;--garamond:'Cormorant Garamond',serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--c-ink);background:var(--c-base);line-height:1.8;-webkit-font-smoothing:antialiased;font-weight:400}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:0;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.serif{font-family:var(--serif)}

/* 通知バー */
.notice{background:var(--c-walnut);color:#fff;text-align:center;font-size:13px;padding:10px 16px;letter-spacing:.04em}
.notice strong{color:var(--c-brass-2);margin-right:8px;font-weight:500}

/* ヘッダー */
.topbar{position:sticky;top:0;z-index:50;background:rgba(247,243,238,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);transition:.3s}
.topbar.solid{background:rgba(247,243,238,.98);box-shadow:0 1px 0 var(--c-line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:84px;padding:0 32px}
.logo{display:flex;flex-direction:column;line-height:1.1}
.logo-jp{font-family:var(--serif);font-weight:700;font-size:18px;letter-spacing:.08em;color:var(--c-walnut)}
.logo-en{font-family:var(--garamond);font-size:11px;letter-spacing:.25em;color:var(--c-brass);margin-top:4px;text-transform:uppercase}
.head-nav ul{display:flex;gap:32px;list-style:none;align-items:center}
.head-nav a{font-size:14px;font-weight:500;letter-spacing:.05em;color:var(--c-ink);transition:.2s;position:relative;padding:6px 0}
.head-nav a:hover,.head-nav a.active{color:var(--c-brass)}
.head-nav a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--c-brass);transition:.3s}
.head-nav a:hover::after,.head-nav a.active::after{width:100%}
.head-cta{background:var(--c-walnut);color:#fff!important;padding:14px 28px;font-size:13px;letter-spacing:.1em;border:1px solid var(--c-walnut)}
.head-cta:hover{background:var(--c-brass);border-color:var(--c-brass)}
.head-cta::after{display:none}
.hamburger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.hamburger span{width:24px;height:1.5px;background:var(--c-walnut);transition:.3s}

/* モバイルメニュー */
.mobile-menu{position:fixed;inset:0;background:var(--c-paper);z-index:100;padding:80px 32px 32px;transform:translateX(100%);transition:.4s cubic-bezier(.4,0,.2,1);visibility:hidden;overflow-y:auto}
.mobile-menu.open{transform:translateX(0);visibility:visible}
.mobile-menu-back{position:absolute;top:24px;left:24px;font-size:14px;color:var(--c-walnut);font-weight:500}
.mobile-menu nav ul{list-style:none;display:flex;flex-direction:column}
.mobile-menu nav a{display:block;padding:20px 0;font-family:var(--serif);font-size:18px;border-bottom:1px solid var(--c-line);color:var(--c-walnut)}
.mobile-menu .mobile-tel{margin-top:32px;display:block;text-align:center;padding:20px;background:var(--c-walnut);color:#fff;font-size:18px;letter-spacing:.05em}

/* ページヒーロー */
.page-hero{position:relative;padding:140px 0 100px;background:var(--c-walnut);color:#fff;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background-image:url('https://images.unsplash.com/photo-1759310707411-16e8c590b99a?w=2000&auto=format&fit=crop&q=80');background-size:cover;background-position:center;opacity:.35}
.page-hero::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(42,37,32,.85) 0%,rgba(58,46,34,.7) 100%)}
.page-hero-inner{position:relative;z-index:2}
.breadcrumb{font-family:var(--garamond);font-size:13px;letter-spacing:.2em;color:var(--c-brass-2);margin-bottom:24px}
.breadcrumb a{color:rgba(214,168,102,.7)}
.breadcrumb a:hover{color:var(--c-brass-2)}
.breadcrumb span{margin:0 8px;color:rgba(214,168,102,.5)}
.page-hero-eyebrow{font-family:var(--garamond);font-size:14px;letter-spacing:.4em;color:var(--c-brass-2);text-transform:uppercase;margin-bottom:20px}
.page-hero-eyebrow::before{content:'';display:inline-block;width:36px;height:1px;background:var(--c-brass-2);vertical-align:middle;margin-right:16px}
.page-hero h1{font-family:var(--serif);font-size:clamp(32px,5vw,52px);font-weight:500;letter-spacing:.08em;line-height:1.4}
.page-hero-sub{margin-top:24px;font-size:15px;color:rgba(255,255,255,.78);max-width:640px;line-height:2;font-weight:300}
.page-hero-stats{margin-top:36px;display:flex;gap:48px;font-family:var(--garamond);font-size:14px;letter-spacing:.2em;color:var(--c-brass-2)}
.page-hero-stats strong{display:block;font-size:36px;color:#fff;line-height:1;margin-bottom:6px;font-weight:300}

/* セクション */
section{padding:90px 0}
.section-eyebrow{font-family:var(--garamond);font-size:14px;letter-spacing:.4em;color:var(--c-brass);text-transform:uppercase;margin-bottom:16px}
.section-title{font-family:var(--serif);font-size:clamp(24px,3vw,32px);font-weight:500;color:var(--c-walnut);letter-spacing:.08em}

/* カテゴリ別ナビ */
.cat-nav{background:var(--c-paper);border-bottom:1px solid var(--c-line);position:sticky;top:84px;z-index:30}
.cat-nav-inner{display:flex;gap:0;overflow-x:auto;padding:0;-webkit-overflow-scrolling:touch}
.cat-nav-inner::-webkit-scrollbar{display:none}
.cat-nav-inner{scrollbar-width:none}
.cat-nav a{padding:18px 24px;font-size:13px;color:var(--c-ink-2);font-family:var(--serif);font-weight:500;letter-spacing:.05em;white-space:nowrap;border-bottom:2px solid transparent;transition:.2s}
.cat-nav a:hover{color:var(--c-brass)}
.cat-nav a.active{color:var(--c-brass);border-bottom-color:var(--c-brass)}

/* 年別ブロック */
.year-block{padding-bottom:80px;border-bottom:1px solid var(--c-line);margin-bottom:80px}
.year-block:last-child{border-bottom:0;margin-bottom:0}
.year-head{display:flex;align-items:baseline;gap:24px;margin-bottom:40px;padding-bottom:24px;border-bottom:1px solid var(--c-brass)}
.year-num{font-family:var(--garamond);font-size:64px;font-weight:300;color:var(--c-walnut);line-height:1;letter-spacing:.02em}
.year-label{font-family:var(--serif);font-size:18px;color:var(--c-ink-3);font-weight:500;letter-spacing:.1em}
.year-count{margin-left:auto;font-family:var(--garamond);font-size:14px;color:var(--c-brass);letter-spacing:.2em}

/* プロジェクト一覧 */
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.project{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--c-line);transition:.2s}
.project:hover{padding-left:8px;border-bottom-color:var(--c-brass)}
.project-mark{flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--c-brass);margin-top:14px}
.project-info{flex:1;display:flex;flex-direction:column;gap:4px}
.project-name{font-family:var(--serif);font-size:15px;color:var(--c-walnut);font-weight:500;letter-spacing:.04em;line-height:1.6}
.project-partner{font-size:12px;color:var(--c-ink-3);letter-spacing:.05em}
.project-partner::before{content:'/ ';color:var(--c-brass);margin-right:4px}

/* カテゴリ間ナビ */
.cat-pager{background:var(--c-paper);padding:80px 0}
.cat-pager-inner{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:880px;margin:0 auto}
.cat-pager a{display:block;padding:40px;border:1px solid var(--c-line);transition:.3s;background:#fff}
.cat-pager a:hover{border-color:var(--c-brass);transform:translateY(-2px);box-shadow:0 16px 32px rgba(58,46,34,.06)}
.cat-pager-label{font-family:var(--garamond);font-size:12px;letter-spacing:.3em;color:var(--c-brass);margin-bottom:12px;text-transform:uppercase}
.cat-pager-name{font-family:var(--serif);font-size:18px;color:var(--c-walnut);font-weight:500;letter-spacing:.05em}
.cat-pager .next{text-align:right}

/* CTA */
.bottom-cta{background:var(--c-walnut);color:#fff;padding:80px 0;text-align:center;position:relative;overflow:hidden}
.bottom-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(184,136,74,.2) 0%,transparent 60%);pointer-events:none}
.bottom-cta h2{font-family:var(--serif);font-size:clamp(22px,3vw,30px);font-weight:500;margin-bottom:16px;letter-spacing:.06em;line-height:1.6;position:relative}
.bottom-cta p{color:rgba(255,255,255,.7);margin-bottom:32px;line-height:1.95;font-weight:300;position:relative}
.bottom-cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;position:relative}
.btn-primary,.btn-ghost{display:inline-flex;align-items:center;gap:12px;padding:18px 36px;font-size:14px;letter-spacing:.15em;font-weight:500;transition:.3s}
.btn-primary{background:var(--c-brass);color:#fff;border:1px solid var(--c-brass)}
.btn-primary:hover{background:transparent;color:var(--c-brass-2)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{border-color:var(--c-brass-2);color:var(--c-brass-2)}

/* Footer */
footer{background:#2a2520;color:rgba(255,255,255,.7);padding:80px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:64px}
.footer-logo{font-family:var(--serif);font-size:20px;color:#fff;font-weight:500;margin-bottom:16px;letter-spacing:.05em}
.footer-tag{font-family:var(--garamond);font-size:12px;letter-spacing:.3em;color:var(--c-brass-2);margin-bottom:24px}
.footer-desc{font-size:13px;line-height:1.95;color:rgba(255,255,255,.6);font-weight:300}
.footer-col h5{font-family:var(--serif);font-size:14px;color:var(--c-brass-2);margin-bottom:20px;letter-spacing:.1em;font-weight:500}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.6);transition:.2s}
.footer-col a:hover{color:var(--c-brass-2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:32px;display:flex;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.4);letter-spacing:.05em}

/* モバイル下部CTA */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--c-walnut);z-index:40;border-top:1px solid var(--c-brass)}
.mobile-cta-grid{display:grid;grid-template-columns:1fr 1fr}
.mobile-cta a{padding:16px;text-align:center;color:#fff;font-size:13px;letter-spacing:.1em;font-weight:500}
.mobile-cta a:first-child{border-right:1px solid rgba(255,255,255,.15)}

@media(max-width:1100px){
  .head-nav,.head-cta{display:none}
  .hamburger{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:900px){
  .projects{grid-template-columns:1fr;gap:0}
}
@media(max-width:768px){
  section{padding:64px 0}
  .container{padding:0 20px}
  .topbar-inner{padding:0 20px;height:64px}
  .notice{font-size:11px;padding:8px 12px;letter-spacing:.02em}
  .page-hero{padding:64px 0 56px}
  .page-hero h1{font-size:28px;letter-spacing:.04em;line-height:1.45}
  .page-hero-sub{font-size:13px;line-height:1.85}
  .page-hero-stats{gap:32px;margin-top:24px;font-size:11px}
  .page-hero-stats strong{font-size:24px}
  .cat-nav{top:64px}
  .cat-nav a{padding:14px 18px;font-size:12px}
  .year-head{flex-wrap:wrap;gap:12px;margin-bottom:28px}
  .year-num{font-size:48px}
  .year-label{font-size:15px}
  .year-count{margin-left:0;width:100%;font-size:12px}
  .year-block{padding-bottom:56px;margin-bottom:56px}
  .project-name{font-size:14px}
  .cat-pager{padding:56px 0}
  .cat-pager-inner{grid-template-columns:1fr;gap:16px}
  .cat-pager a{padding:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px;margin-bottom:40px}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
  body{padding-bottom:60px}
}
@media(max-width:1024px){.mobile-cta{display:block}}