:root{
  --main:#009490;--main-soft:#dff1f0;--main-deep:#007e7a;
  --accent:#ea6e8e;--accent-soft:#fbe5eb;
  --bg1:#f4f6f8;
  --ink:#1a232e;
  --gray:#5a6573;--line:#e1e6ea
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--ink);background:#ffffff;line-height:1.9;font-feature-settings:"palt";-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.nav{position:sticky;top:0;background:#ffffff;z-index:100;transition:box-shadow .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{box-shadow:0 4px 18px -8px rgba(20,40,40,.18);border-bottom-color:var(--line)}
.nav-in{max-width:1280px;margin:0 auto;padding:18px 32px;display:flex;justify-content:space-between;align-items:center;gap:32px}
.logo img{height:52px}
.nav-r{display:flex;align-items:center;gap:36px;margin-left:auto}
.menu{display:flex;gap:36px;font-size:14px;font-weight:600;letter-spacing:.03em}
.menu a{position:relative;padding:6px 0 8px}
.menu a::before{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--main);opacity:.45}
.menu a:hover{color:var(--main)}
.cta-nav{background:var(--main);color:#fff;padding:13px 28px;border-radius:999px;font-size:12.5px;font-weight:700;box-shadow:0 6px 16px -8px rgba(0,148,144,.45)}

.page-strip{padding:24px 32px 14px;background:#fff;text-align:center}
.page-strip p.tag{font-size:12px;color:var(--accent);letter-spacing:.2em;font-weight:800;margin-bottom:12px}
.page-strip h1{font-size:clamp(32px,4.2vw,52px);font-weight:900;letter-spacing:.01em}
.page-strip h1 em{font-style:normal;color:var(--main)}

.n-wrap{max-width:1080px;margin:0 auto;padding:24px 32px 80px}

/* カテゴリフィルタ */
.n-filter{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px;padding:16px 0 16px;border-top:1px solid var(--line)}
.n-filter-label{font-size:11px;color:var(--gray);font-weight:800;letter-spacing:.15em;align-self:center;margin-right:8px}
.n-filter button{background:#fff;border:1px solid var(--line);padding:8px 16px;font-family:inherit;font-size:12px;font-weight:700;color:var(--ink);cursor:pointer;transition:all .2s;border-radius:999px}
.n-filter button:hover{border-color:var(--main);color:var(--main)}
.n-filter button.active{background:var(--main);color:#fff;border-color:var(--main)}

/* 年度タブ */
.n-year{display:flex;align-items:center;gap:6px;margin:0 0 24px;padding:0 0 0;border-bottom:2px solid var(--main)}
.y-label{font-size:11px;color:var(--gray);font-weight:800;letter-spacing:.15em;margin-right:8px;flex-shrink:0}
.y-track{display:flex;gap:0;flex:1;justify-content:flex-start;overflow:hidden}
.y-tab{flex-shrink:0;min-width:84px;background:transparent;border:none;padding:14px 16px;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px;font-weight:700;color:var(--gray);cursor:pointer;transition:all .2s;border-bottom:3px solid transparent;margin-bottom:-2px;letter-spacing:.02em}
.y-tab[data-year="all"]{font-family:inherit;font-size:12.5px;font-weight:800;letter-spacing:.05em}
.y-tab:hover{color:var(--main)}
.y-tab.active{color:var(--main);border-bottom-color:var(--main);font-weight:800}
.y-tab[hidden]{display:none}
.y-nav{background:#fff;border:1px solid var(--line);width:30px;height:30px;border-radius:50%;font-family:inherit;font-size:13px;font-weight:800;color:var(--gray);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all .2s;line-height:1}
.y-nav:hover:not(:disabled){border-color:var(--main);color:var(--main)}
.y-nav:disabled{opacity:.25;cursor:default}

/* ニュースリスト */
.n-list{display:flex;flex-direction:column;border-top:2px solid var(--ink)}
.n-item{display:grid;grid-template-columns:110px 92px 1fr auto;gap:24px;padding:22px 0;border-bottom:1px solid var(--line);align-items:center;font-size:14px;transition:padding .25s,background .25s}
.n-item:hover{padding-left:14px;background:#f7faf9}
.n-item .n-date{color:var(--gray);font-weight:700;font-variant-numeric:tabular-nums;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13.5px}
.n-item .n-cat{font-size:10px;font-weight:800;padding:5px 0;text-align:center;letter-spacing:.05em;border-radius:2px;line-height:1}
.n-item .n-cat.award{color:var(--main);background:var(--main-soft)}
.n-item .n-cat.support{color:var(--accent);background:var(--accent-soft)}
.n-item .n-cat.group{color:#0e6ea8;background:#d8ecf9}
.n-item .n-cat.info{color:#7a6c00;background:#fff3b0}
.n-item .n-title{font-weight:600;font-size:14px;color:var(--ink);line-height:1.65}
.n-item:hover .n-title{color:var(--main)}
.n-item .n-arrow{font-size:16px;color:var(--gray);transition:color .2s,transform .2s}
.n-item:hover .n-arrow{color:var(--main);transform:translateX(4px)}
.n-item.hidden{display:none}

/* TOPへ戻る */
.back-to-top{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:13.5px}
.back-to-top a{display:inline-flex;align-items:center;gap:8px;color:var(--main);font-weight:700;letter-spacing:.02em;transition:color .2s,gap .2s}
.back-to-top a:hover{color:var(--main-deep);gap:12px}

footer{background:#ffffff;color:var(--ink);padding:60px 32px 28px;border-top:4px solid var(--main);position:relative;margin-top:60px}
footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,var(--main),var(--accent));opacity:.85}
.f-in{max-width:1280px;margin:0 auto 36px;display:grid;grid-template-columns:1.2fr 2fr;gap:64px;align-items:start}
.f-l img{height:36px;margin-bottom:18px}
.f-d{font-size:12.5px;color:var(--gray);line-height:1.85}
.f-links-wrap{display:flex;flex-direction:column;gap:18px}
.f-links-label{font-size:10.5px;color:var(--main);font-weight:800;letter-spacing:.2em}
.f-links{display:flex;flex-wrap:wrap;gap:14px 28px}
.f-links a{font-size:12.5px;color:var(--ink);font-weight:600}
.f-links a:hover{color:var(--main)}
.cp{max-width:1280px;margin:0 auto;border-top:1px solid var(--line);padding-top:20px;text-align:center;font-size:10.5px;color:var(--gray);letter-spacing:.08em}

.menu-toggle{display:none}
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--main);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px -6px rgba(0,148,144,.4);transition:transform .25s,background .25s;z-index:200;font-size:0}
.to-top:hover{background:var(--main-deep);transform:translateY(-2px)}
.to-top svg{width:18px;height:18px;stroke:#fff;stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round}

@media(max-width:840px){
  .to-top{display:none!important}
  .n-wrap{padding:0 20px 60px}
  .n-item{grid-template-columns:90px 78px 1fr;gap:14px;padding:18px 0;font-size:13px}
  .n-item .n-arrow{display:none}
  .n-item .n-title{font-size:13px;grid-column:1 / -1;margin-top:4px}
  .nav-in{flex-wrap:wrap}
  .menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;background:none;border:none;cursor:pointer;padding:0;margin-left:auto}
  .menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);transition:transform .3s,opacity .3s}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-r{display:none;width:100%;flex-direction:column;gap:0;align-items:stretch;padding:12px 0 4px;border-top:1px solid var(--line);margin-top:14px;margin-left:0}
  .nav-r.open{display:flex}
  .menu{display:flex;flex-direction:column;gap:0;width:100%}
  .menu a{padding:14px 0;border-bottom:1px solid var(--line)}
  .menu a::before{display:none}
  .cta-nav{margin-top:12px;text-align:center;padding:13px 20px;align-self:stretch}
  .f-in{grid-template-columns:1fr;gap:32px}
}
.menu-top-mobile{display:none}
@media(max-width:840px){.menu-top-mobile{display:block;color:var(--main)!important;font-weight:800;background:var(--main-soft,#dff1f0);padding:14px 16px!important;margin:-12px -12px 4px;border-radius:4px}.menu-top-mobile::before{display:none!important}}