*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --dbg-h: 0px;
  --navy:#0f2744;--navy2:#1a3a5c;--blue:#1e5a9c;--sky:#3b8bd4;
  --gold:#c9963b;--gold2:#f0c060;--cream:#faf8f4;--warm:#f5f0e8;
  --text:#1a1a2e;--muted:#6b7280;--border:#d4c9b8;
  --green:#1e6b3c;--ltgreen:#e8f4ec;--red:#9b2335;--ltred:#fce8ea;
  --amber:#8b5e00;--ltamb:#fef9ec;
  --serif:'Shippori Mincho','Noto Serif JP',serif;
  --sans:'Noto Sans JP',sans-serif;
  --r:6px;--r2:12px;
  --shadow:0 4px 24px rgba(15,39,68,.10);
  --shadow2:0 8px 40px rgba(15,39,68,.16);
}
html{scroll-behavior:smooth;scroll-padding-top:calc(72px + var(--dbg-h))}
body{font-family:var(--sans);color:var(--text);background:var(--cream);line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:960px;margin:0 auto;padding:0 24px}
.wide{max-width:1160px;margin:0 auto;padding:0 24px}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;padding:3px 10px;border-radius:99px}
.tag-green{background:var(--ltgreen);color:var(--green)}
.tag-red{background:var(--ltred);color:var(--red)}
.tag-blue{background:#e8f1fb;color:var(--blue)}
.tag-amber{background:var(--ltamb);color:var(--amber)}
.tag-navy{background:#e8edf5;color:var(--navy)}
.section-label{font-size:.72rem;letter-spacing:.18em;font-weight:700;color:var(--gold);text-transform:uppercase;display:block;margin-bottom:10px}
.lead{font-family:var(--serif);font-size:1.75rem;font-weight:700;color:var(--navy);line-height:1.45}
.sub{font-size:.95rem;color:var(--muted);margin-top:12px;line-height:1.8}
.divider{width:48px;height:3px;background:var(--gold);border-radius:2px;margin:16px 0}

/* Header */
#siteHeader{position:sticky;top:var(--dbg-h);z-index:100;background:rgba(250,248,244,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:0 1px 8px rgba(15,39,68,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 28px;max-width:1160px;margin:0 auto;gap:16px}
.site-logo .name{font-family:var(--serif);font-size:1.15rem;font-weight:700;color:var(--navy);line-height:1.2}
.site-logo .role{font-size:.72rem;color:var(--muted);letter-spacing:.06em}
nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
nav a{font-size:.82rem;font-weight:500;padding:6px 14px;border-radius:var(--r);color:var(--navy2);transition:all .2s}
nav a:hover{background:var(--warm);color:var(--blue)}
.front-hamburger{display:none}

/* AI Hint */
.ai-hint{background:linear-gradient(90deg,#e8f1fb,#f5f9ff);border:1px solid #c5d8f0;padding:10px 20px;font-size:.78rem;color:var(--blue);display:flex;align-items:center;gap:8px}

/* Hero */
.hero{position:relative;background:var(--navy);overflow:hidden;min-height:560px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,#0f2744 0%,#1a3a5c 45%,#0d3060 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(201,150,59,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(201,150,59,.08) 1px,transparent 1px);background-size:48px 48px}
.hero-glow{position:absolute;top:-80px;right:-80px;width:500px;height:500px;background:radial-gradient(circle,rgba(201,150,59,.18) 0%,transparent 70%);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 340px;gap:60px;align-items:center;max-width:1100px;margin:0 auto;padding:64px 28px}
.hero-eyebrow{font-size:.78rem;letter-spacing:.2em;color:var(--gold2);font-weight:700;text-transform:uppercase;margin-bottom:16px}
.hero-title{font-family:var(--serif);font-size:2.8rem;font-weight:800;color:#fff;line-height:1.25;margin-bottom:20px}
.hero-title span{color:var(--gold2)}
.hero-desc{font-size:.95rem;color:rgba(255,255,255,.78);line-height:1.85;margin-bottom:28px;max-width:480px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--gold);color:var(--navy);font-weight:700;font-size:.9rem;padding:12px 24px;border-radius:var(--r);transition:all .2s;border:none;cursor:pointer}
.btn-primary:hover{background:var(--gold2);transform:translateY(-2px);box-shadow:0 6px 20px rgba(201,150,59,.4)}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r2);padding:28px;backdrop-filter:blur(8px)}
.hero-card-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--sky));margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:1.8rem;font-weight:800;color:#fff}
.hero-card-name{text-align:center;font-family:var(--serif);font-size:1.4rem;font-weight:700;color:#fff;margin-bottom:4px}
.hero-card-role{text-align:center;font-size:.78rem;color:rgba(255,255,255,.6);margin-bottom:20px}
.hero-card-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.1);border-radius:var(--r);overflow:hidden}
.stat{background:rgba(15,39,68,.4);padding:14px 12px;text-align:center}
.stat-num{font-family:var(--serif);font-size:1.5rem;font-weight:700;color:var(--gold2);line-height:1}
.stat-lbl{font-size:.68rem;color:rgba(255,255,255,.55);margin-top:4px}

/* Section */
section{padding:72px 0}
.section-head{margin-bottom:40px}
.latest{background:#fff;border-bottom:1px solid var(--border)}

/* Activity cards */
.activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.activity-card{border:1px solid var(--border);border-radius:var(--r2);overflow:hidden;transition:all .25s;cursor:pointer;background:#fff}
.activity-card:hover{transform:translateY(-4px);box-shadow:var(--shadow2);border-color:var(--sky)}
.activity-img{height:140px;background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);display:flex;align-items:center;justify-content:center;font-size:2.8rem;position:relative;overflow:hidden}
.activity-img img{width:100%;height:100%;object-fit:cover}
.date-badge{position:absolute;top:10px;left:10px;background:rgba(15,39,68,.85);color:#fff;font-size:.68rem;font-weight:700;padding:3px 9px;border-radius:4px}
.activity-body{padding:16px 18px}
.activity-tags{display:flex;gap:6px;margin-bottom:10px}
.activity-title{font-family:var(--serif);font-size:1rem;font-weight:700;color:var(--navy);line-height:1.45;margin-bottom:8px}
.activity-lead{font-size:.8rem;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.activity-foot{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding-top:10px;border-top:1px solid var(--border)}
.chars{font-size:.68rem;color:var(--muted)}
.read-more{font-size:.75rem;font-weight:700;color:var(--blue)}

/* Cat nav */
.cat-nav{background:var(--warm);border-top:2px solid var(--gold);border-bottom:1px solid var(--border)}
.cat-nav-inner{display:flex;align-items:stretch;justify-content:center;overflow-x:auto;scrollbar-width:none}
.cat-nav-inner::-webkit-scrollbar{display:none}
.cat-item{flex:1;max-width:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:14px 10px;font-size:.78rem;font-weight:700;color:var(--navy2);border-right:1px solid var(--border);transition:all .2s;cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent}
.cat-item:first-child{border-left:1px solid var(--border)}
.cat-item:hover,.cat-item.active{background:#fff;color:var(--blue);border-bottom-color:var(--blue)}
.cat-item .ico{font-size:1.4rem}

/* PC/SP カテゴリーナビ切り替え */
.pc-only-cat { display: flex !important; }
.sp-only-cat { display: none !important; }
.cat-section{background:var(--cream)}
.cat-panel{display:none}
.cat-panel.active{display:block}
.article-list{display:grid;gap:16px}
.article-item{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:start;background:#fff;border:1px solid var(--border);border-radius:var(--r2);padding:18px 20px;transition:all .2s;cursor:pointer}
.article-item:hover{border-color:var(--sky);box-shadow:var(--shadow)}
.article-num{font-family:var(--serif);font-size:1.6rem;font-weight:800;color:var(--border);line-height:1;padding-top:2px}
.article-h{font-family:var(--serif);font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:5px}
.article-body{font-size:.82rem;color:#444;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-date{font-size:.72rem;color:var(--muted);white-space:nowrap;padding-top:4px}
.article-empty{text-align:center;padding:32px;color:var(--muted);font-size:.9rem}

/* Profile */
.profile{background:var(--warm)}
.profile-grid{display:grid;grid-template-columns:200px 1fr;gap:48px;align-items:start}
.profile-avatar{width:160px;height:160px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--blue));display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:3.5rem;font-weight:800;color:#fff;margin:0 auto 20px;box-shadow:var(--shadow2)}
.profile-name{font-family:var(--serif);font-size:2.2rem;font-weight:800;color:var(--navy);margin-bottom:4px}
.profile-role{font-size:.88rem;color:var(--muted);letter-spacing:.06em;margin-bottom:20px}

/* FAQ */
.faq{background:#fff}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:var(--r2);overflow:hidden}
.faq-q{display:flex;align-items:center;gap:14px;padding:16px 20px;cursor:pointer;user-select:none;transition:background .2s}
.faq-q:hover{background:var(--warm)}
.q-mark{width:28px;height:28px;border-radius:50%;background:var(--navy);color:var(--gold2);font-family:var(--serif);font-size:.9rem;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.q-text{font-weight:700;font-size:.9rem;color:var(--navy);flex:1}
.toggle{font-size:1rem;color:var(--muted);transition:transform .3s;flex-shrink:0}
.faq-a{display:none;padding:0 20px 18px 62px;font-size:.85rem;color:#444;line-height:1.85}
.faq-item.open .faq-a{display:block}
.faq-item.open .toggle{transform:rotate(45deg)}

/* Footer */
footer{background:var(--navy);color:rgba(255,255,255,.7);padding:20px 0 14px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:12px}
.footer-brand .name{font-family:var(--serif);font-size:1.15rem;font-weight:700;color:#fff;margin-bottom:2px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:10px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.footer-copy{font-size:.75rem;color:rgba(255,255,255,.4)}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:.82rem;color:rgba(255,255,255,.6);transition:color .2s}
.footer-links a:hover{color:var(--gold2)}
.footer-h{font-size:.78rem;font-weight:700;letter-spacing:.1em;color:var(--gold2);text-transform:uppercase;margin-bottom:14px}

@media(max-width:768px){
  .pc-only-cat { display: none !important; }
  .sp-only-cat { display: block !important; }
  .hero-inner{grid-template-columns:1fr}
  .hero-card{display:none}
  .hero-title{font-size:1.9rem}
  .activity-grid{grid-template-columns:1fr}
  .profile-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .header-inner{padding:12px 16px;position:relative}

  /* ハンバーガーメニュー */
  .front-hamburger{
    display:flex;flex-direction:column;justify-content:center;align-items:center;
    width:38px;height:38px;background:rgba(201,150,59,0.12);border:1px solid rgba(201,150,59,0.3);
    border-radius:50%;cursor:pointer;z-index:1060;position:relative;
    gap:4px;transition:all 0.3s ease;
  }
  .front-hamburger span{
    width:18px;height:2px;background:var(--navy);
    transition:all 0.3s ease;
  }
  /* メニューが開いた状態 (赤丸に白✕) */
  .front-hamburger.open{
    background:#ef4444;
    border-color:#ef4444;
    box-shadow:0 2px 8px rgba(239,68,68,0.4);
  }
  .front-hamburger.open span{
    background:#fff;
  }
  .front-hamburger.open span:nth-child(1){
    transform:rotate(45deg) translate(4px, 4px);
  }
  .front-hamburger.open span:nth-child(2){
    opacity:0;
  }
  .front-hamburger.open span:nth-child(3){
    transform:rotate(-45deg) translate(4px, -4px);
  }

  /* ナビゲーションメニュー（スライドイン） */
  nav{
    display:none !important; /* 通常時は完全に非表示にしてスマホ画面の横崩れを100%根絶 */
    position:fixed;top:var(--dbg-h);right:0;
    width:280px;height:calc(100vh - var(--dbg-h));
    background:var(--cream);border-left:1px solid var(--border);
    box-shadow:-4px 0 24px rgba(15,39,68,.15);
    padding:80px 24px 40px;flex-direction:column;
    gap:12px;z-index:1050;
    align-items:stretch;
  }
  nav.open{
    display:flex !important; /* 開いた時だけflexにして表示 */
    animation: slideInSp 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  @keyframes slideInSp {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
  }
  nav a{
    font-size:1rem;font-weight:700;padding:12px 16px;
    border-radius:var(--r);color:var(--navy2);
    border-bottom:1px solid rgba(15,39,68,.05);
  }
  nav a:hover{
    background:var(--warm);
  }
}

/* ページトップボタン */
.page-top-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--gold2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  box-shadow: 0 4px 12px rgba(15,39,68,0.25);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 0;
  outline: none;
}
.page-top-btn.show {
  opacity: 1;
  visibility: visible;
}
.page-top-btn:hover {
  background: var(--gold);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(201,150,59,0.4);
}
.page-top-btn span {
  font-size: .75rem;
  line-height: 1;
  transform: translateY(-1px);
}