:root{
  --navy:#0B2A5B; --navy-2:#123C7C; --blue:#1556A8; --blue-soft:#E6EEF9; --bg:#F3F6FA; --line:#CBD5E3;
  --ink:#1B2433; --muted:#4A5568; --white:#fff; --orange:#F59E0B; --orange-ink:#8A4A00; --focus:#F59E0B;
  --radius:10px; --shadow:0 6px 24px rgba(11,42,91,.10);
}
html{font-size:18px;-webkit-text-size-adjust:100%}
html[data-fs="small"]{font-size:16px}
html[data-fs="large"]{font-size:21px}
*{box-sizing:border-box}
body{margin:0;font-family:"Noto Sans JP",system-ui,sans-serif;font-size:1rem;line-height:1.8;color:var(--ink);background:var(--white);
  word-break:keep-all;line-break:strict;overflow-wrap:anywhere;}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:3px}
.nb{white-space:nowrap}
.num,time,.tel{font-variant-numeric:tabular-nums;letter-spacing:.02em}
h1,h2,h3,h4{line-height:1.45;font-weight:800;color:var(--navy);margin:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:12px;top:-60px;background:var(--navy);color:#fff;padding:10px 16px;z-index:200;border-radius:6px}
.skip:focus{top:8px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* utility bar */
.util{background:var(--navy);color:#fff;font-size:.82rem}
.util .wrap{display:flex;flex-wrap:wrap;gap:4px 20px;align-items:center;justify-content:space-between;padding-top:6px;padding-bottom:6px}
.util a{color:#fff}
.util .tel{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1rem;text-decoration:none;min-height:44px;white-space:nowrap}
.util .tel small{font-weight:400;font-size:.78rem;opacity:.9}
.util-right{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center}
.fs{display:flex;align-items:center;gap:6px}
.fs span{font-size:.8rem}
.fs button{min-width:44px;min-height:44px;border:1px solid rgba(255,255,255,.7);background:transparent;color:#fff;font:inherit;font-weight:700;border-radius:6px;cursor:pointer}
.fs button[aria-pressed="true"]{background:#fff;color:var(--navy)}
.search{display:flex}
.search input{width:12rem;min-height:44px;border:0;border-radius:6px 0 0 6px;padding:0 12px;font:inherit;font-size:.9rem}
.search button{min-height:44px;min-width:48px;border:0;background:var(--orange);color:var(--navy);border-radius:0 6px 6px 0;cursor:pointer;display:grid;place-items:center}
.util-links{display:flex;gap:4px 14px}
.util-links a{display:inline-flex;align-items:center;min-height:44px;font-weight:500}

/* header */
header.site{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:50}
.head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}
.logo-mark{width:46px;height:46px;border-radius:10px;background:var(--navy);display:grid;place-items:center;position:relative;flex:none}
.logo-mark::before{content:"";width:22px;height:22px;border:4px solid #fff;border-radius:50% 50% 50% 4px;transform:rotate(-45deg)}
.logo-mark::after{content:"";position:absolute;right:7px;top:7px;width:9px;height:9px;border-radius:50%;background:var(--orange)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text small{font-size:.7rem;font-weight:500;color:var(--muted)}
.logo-text b{font-size:1.2rem;font-weight:900;letter-spacing:.04em}
.menu-btn{display:inline-flex;align-items:center;gap:12px;min-height:48px;padding:0 16px;border:2px solid var(--navy);background:#fff;color:var(--navy);font:inherit;font-weight:700;border-radius:8px;cursor:pointer}
.menu-btn i{display:block;width:20px;height:2px;background:var(--navy);box-shadow:0 6px 0 var(--navy),0 -6px 0 var(--navy)}
nav.gnav{display:none;background:var(--navy-2)}
nav.gnav.open{display:block}
.gnav ul{list-style:none;margin:0;padding:0}
.gnav>.wrap>ul>li{border-bottom:1px solid rgba(255,255,255,.18)}
.gnav button.top,.gnav a.top{display:flex;width:100%;align-items:center;justify-content:space-between;min-height:52px;padding:0 4px;background:none;border:0;color:#fff;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;text-align:left}
.gnav button.top::after{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-left:8px;flex:none;margin-bottom:3px}
.gnav button.top[aria-expanded="true"]::after{transform:rotate(-135deg);margin-bottom:-3px}
.mega{display:none;background:#fff;color:var(--ink);padding:16px 20px 20px;border-radius:0 0 var(--radius) var(--radius)}
.mega.open{display:block}
.mega ul{display:grid;gap:2px 24px}
.mega a{display:flex;align-items:center;min-height:44px;color:var(--ink);text-decoration:none;border-bottom:1px dotted var(--line);font-size:.92rem}
.mega a:hover{color:var(--blue);background:var(--blue-soft)}
.mega a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:10px;flex:none}
.mega .m-lead{display:none}

/* hero */
.hero{position:relative;background:var(--navy)}
.hero-img{width:100%;height:56vw;max-height:620px;min-height:240px;object-fit:cover;object-position:60% 40%}
.hero-panel{background:#fff;padding:24px 20px 28px;box-shadow:var(--shadow);border-top:5px solid var(--orange)}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.14em;color:var(--blue);margin:0 0 6px}
.hero-panel h1{font-size:1.65rem;font-weight:900}
.hero-panel p{margin:10px 0 16px;color:var(--muted);font-size:.95rem}
.quick{display:grid;grid-template-columns:1fr;gap:8px;list-style:none;margin:0;padding:0}
.quick a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 16px;background:var(--navy);color:#fff;text-decoration:none;font-weight:700;border-radius:8px}
.quick a:hover{background:var(--blue);color:#fff}
.quick a::after{content:"→";color:var(--orange);font-weight:900}

/* sections */
section.blk{padding:56px 0}
section.alt{background:var(--bg)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:8px 20px;margin-bottom:24px}
.sec-head h2{font-size:1.5rem;position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:6px;border-radius:3px;background:linear-gradient(var(--navy),var(--blue) 70%,var(--orange) 70%)}
.sec-head .en{display:block;font-size:.72rem;letter-spacing:.2em;color:var(--blue);font-weight:700;margin-bottom:2px}
.sec-head p{margin:0;color:var(--muted);font-size:.9rem}
.more{display:inline-flex;align-items:center;min-height:44px;font-weight:700;text-decoration:none;color:var(--blue)}
.more::after{content:"→";margin-left:6px;color:var(--orange-ink)}

/* category cards */
.cats{display:grid;gap:20px}
.cat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.cat figure{margin:0;position:relative}
.cat figure img{width:100%;aspect-ratio:3/2;object-fit:cover}
.cat .tag{position:absolute;left:0;bottom:0;background:var(--navy);color:#fff;font-weight:800;font-size:.8rem;padding:4px 14px;letter-spacing:.06em}
.cat .body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.cat h3{font-size:1.4rem;margin-bottom:4px}
.cat .lead{margin:0 0 12px;color:var(--muted);font-size:.9rem}
.cat ul{list-style:none;margin:0 0 16px;padding:0;flex:1}
.cat li a{display:flex;align-items:center;justify-content:space-between;min-height:44px;border-top:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:.93rem}
.cat li a::after{content:"›";color:var(--blue);font-size:1.3rem;margin-left:8px}
.cat li a:hover{color:var(--blue);background:var(--blue-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 24px;background:var(--navy);color:#fff;text-decoration:none;border-radius:8px;border:0;font:inherit;font-weight:700;cursor:pointer}
.btn:hover{background:var(--blue);color:#fff}
.btn.orange{background:var(--orange);color:var(--navy)}
.btn.orange:hover{background:#FFB32E;color:var(--navy)}

/* news */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tabs button{min-height:44px;padding:0 16px;border:1px solid var(--navy);background:#fff;color:var(--navy);font:inherit;font-size:.88rem;font-weight:700;border-radius:999px;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--navy);color:#fff}
.news-box{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow-y:auto;max-height:26rem;position:relative}
.news-box:focus-visible{outline-offset:-3px}
.news{list-style:none;margin:0;padding:0}
.news li{display:grid;grid-template-columns:auto auto 1fr;gap:4px 12px;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.news li:last-child{border-bottom:0}
.news li[hidden]{display:none}
.news time{font-weight:700;color:var(--navy);font-size:.92rem}
.news a{grid-column:1/-1;color:var(--ink);text-decoration:none;font-weight:500;display:inline-block;padding:4px 0}
.news a:hover{color:var(--blue);text-decoration:underline}
.chip{display:inline-flex;align-items:center;justify-content:center;min-width:6.4em;font-size:.76rem;font-weight:700;padding:2px 10px;border-radius:4px;border:1px solid;line-height:1.6;white-space:nowrap;justify-self:start}
.c-info{background:#E6EEF9;color:#0B2A5B;border-color:#9DB6DC}
.c-act{background:#E3F4EA;color:#0F5132;border-color:#8CC9A3}
.c-vol{background:#FFF1DB;color:#7A3F00;border-color:#EBB56A}
.c-ev{background:#EDE7F8;color:#3F2A7A;border-color:#B7A6E0}
.c-fund{background:#FDE7E7;color:#8A1C1C;border-color:#E5A3A3}
.c-job{background:#E0F3F6;color:#0B4F5C;border-color:#8CCBD6}
.c-bid{background:#EEF0F3;color:#2D3748;border-color:#B5BDC9}
.c-etc{background:#F4EFE6;color:#5A4426;border-color:#CDBE9E}
.scroll-note{margin:10px 0 0;font-size:.85rem;color:var(--muted)}

/* insta */
.insta{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;list-style:none;margin:0;padding:0}
.insta a{position:relative;display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:1}
.insta img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.insta a:hover img{transform:scale(1.05)}
.insta a span{position:absolute;left:0;right:0;bottom:0;padding:22px 10px 8px;background:linear-gradient(transparent,rgba(11,42,91,.9));color:#fff;font-size:.78rem;font-weight:500;line-height:1.5}
.insta-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.insta-head .ig{width:44px;height:44px;border-radius:12px;background:var(--navy);display:grid;place-items:center;flex:none}
.insta-head p{margin:0}

/* map */
.map-grid{display:grid;gap:20px}
.map-frame{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;min-height:320px}
.map-frame iframe{display:block;width:100%;height:100%;min-height:360px;border:0}
.map-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.map-side h3{font-size:1.05rem;margin-bottom:10px}
.map-side h3:not(:first-child){margin-top:20px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.chips button{min-height:44px;padding:0 14px;border-radius:999px;border:1px solid var(--blue);background:#fff;color:var(--navy);font:inherit;font-size:.88rem;font-weight:700;cursor:pointer}
.chips button[aria-pressed="true"]{background:var(--blue);color:#fff}
.chips.area button{border-radius:8px;border-color:var(--line)}
.chips.area button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy)}
.map-msg{margin:12px 0 0;font-size:.85rem;color:var(--muted)}

/* contact cta */
.cta{background:var(--navy);color:#fff;padding:48px 0}
.cta .in{display:grid;gap:24px}
.cta h2{color:#fff;font-size:1.5rem}
.cta p{margin:8px 0 0;color:#DCE6F5}
.cta .tel-big{font-size:2rem;font-weight:900;color:#fff;text-decoration:none;white-space:nowrap;display:inline-block}
.cta .acts{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.spam{margin-top:16px;font-size:.82rem;line-height:1.7;background:rgba(255,255,255,.1);border-left:4px solid var(--orange);padding:10px 14px;border-radius:0 6px 6px 0;color:#fff}

/* footer */
footer.site{background:#071B3C;color:#D3DDEE;padding:48px 0 24px;font-size:.88rem}
footer.site a{color:#fff}
.f-grid{display:grid;gap:28px}
footer .logo{color:#fff}
footer .logo-text small{color:#B8C6DE}
footer .logo-mark{background:#fff}
footer .logo-mark::before{border-color:var(--navy)}
footer address{font-style:normal;line-height:1.9;margin-top:14px}
footer h2{color:#fff;font-size:.95rem;margin-bottom:8px}
footer ul{list-style:none;margin:0;padding:0}
footer li a{display:flex;align-items:center;min-height:44px;text-decoration:none}
footer li a:hover{text-decoration:underline}
.copy{margin-top:28px;padding-top:16px;border-top:1px solid rgba(255,255,255,.2);font-size:.78rem}
.sample-badge{position:fixed;right:12px;bottom:12px;z-index:90;background:var(--navy);color:#fff;border:2px solid var(--orange);padding:6px 14px;border-radius:999px;font-weight:800;font-size:.8rem;box-shadow:var(--shadow);pointer-events:none}

/* lower pages */
.crumb{background:var(--bg);border-bottom:1px solid var(--line);font-size:.85rem}
.crumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:0 8px}
.crumb li+li::before{content:"›";margin-right:8px;color:var(--muted)}
.crumb li{display:flex;align-items:center}
.crumb a{display:inline-flex;align-items:center;min-height:44px}
.page-hero{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;padding:40px 0}
.page-hero h1{color:#fff;font-size:1.8rem}
.page-hero p{margin:8px 0 0;color:#DCE6F5}
.themes{display:grid;gap:20px;list-style:none;margin:0;padding:0}
.theme{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);height:100%}
.theme img{width:100%;aspect-ratio:3/2;object-fit:cover}
.theme .b{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.theme .no{font-size:.75rem;font-weight:800;color:var(--blue);letter-spacing:.12em}
.theme h2{font-size:1.1rem;margin:2px 0 6px}
.theme p{margin:0 0 12px;font-size:.88rem;color:var(--muted);flex:1}
.theme a.go{display:inline-flex;align-items:center;min-height:44px;font-weight:700;text-decoration:none}
.theme a.go::after{content:"→";margin-left:6px;color:var(--orange-ink)}
.hint{background:var(--blue-soft);border-left:5px solid var(--navy);padding:14px 18px;border-radius:0 8px 8px 0;margin-bottom:28px}
.form{max-width:760px;display:grid;gap:22px}
.field label,.field legend{display:block;font-weight:700;margin-bottom:6px;color:var(--navy)}
.req{display:inline-block;margin-left:8px;padding:0 8px;background:#B42318;color:#fff;font-size:.72rem;border-radius:4px;vertical-align:middle}
.opt{display:inline-block;margin-left:8px;padding:0 8px;background:#EEF0F3;color:var(--muted);font-size:.72rem;border-radius:4px;vertical-align:middle}
.field input[type=text],.field input[type=email],.field input[type=tel],.field select,.field textarea{width:100%;min-height:52px;padding:10px 14px;border:2px solid #7B8798;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.field textarea{min-height:10rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid var(--focus);border-color:var(--navy)}
.field .help{font-size:.82rem;color:var(--muted);margin:4px 0 0}
.field fieldset{border:0;padding:0;margin:0}
.checks{display:flex;flex-wrap:wrap;gap:4px 20px}
.checks label{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-weight:500;color:var(--ink);cursor:pointer}
.checks input{width:22px;height:22px;accent-color:var(--navy)}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.done{display:none;background:#E3F4EA;border:2px solid #2E7D4F;color:#0F3D24;padding:20px;border-radius:10px}
.done.show{display:block}
.done h2{color:#0F3D24;font-size:1.2rem}
.err{color:#B42318;font-size:.85rem;margin:4px 0 0;display:none}
.field.bad .err{display:block}
.field.bad input,.field.bad textarea{border-color:#B42318}
.spamnote{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:16px 18px;font-size:.88rem;max-width:760px}
.spamnote h2{font-size:.95rem;margin-bottom:6px}
.spamnote ul{margin:6px 0 0;padding-left:1.2em}
.events{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.ev{display:grid;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;grid-template-columns:1fr}
.ev img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:8px}
.ev h2{font-size:1.15rem;margin:6px 0}
.ev dl{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;margin:0 0 12px;font-size:.9rem}
.ev dt{font-weight:700;color:var(--navy)}
.ev dd{margin:0}
.badge{display:inline-block;padding:0 12px;border-radius:4px;font-weight:800;font-size:.8rem;margin-right:6px}
.b-first{background:var(--navy);color:#fff}
.b-lot{background:var(--orange);color:var(--navy)}

@media (min-width:768px){
  .cats{grid-template-columns:repeat(3,1fr)}
  .news li{grid-template-columns:7.4em 7.6em 1fr;gap:12px}
  .news a{grid-column:auto}
  .insta{grid-template-columns:repeat(3,1fr)}
  .themes{grid-template-columns:repeat(2,1fr)}
  .quick{grid-template-columns:repeat(3,1fr)}
  .cta .in{grid-template-columns:1.2fr 1fr;align-items:center}
  .f-grid{grid-template-columns:1.5fr 1fr 1fr}
  .map-grid{grid-template-columns:1.6fr 1fr}
  .ev{grid-template-columns:240px 1fr}
  .news-box{max-height:19rem}
}
@media (min-width:1024px){
  .menu-btn{display:none}
  nav.gnav{display:block;background:var(--navy-2);position:relative}
  .gnav>.wrap>ul{display:flex}
  .gnav>.wrap>ul>li{border:0;flex:1 1 auto;text-align:center}
  .gnav button.top,.gnav a.top{white-space:nowrap;padding:0 14px;font-size:.9rem}
  .gnav button.top,.gnav a.top{justify-content:center;min-height:56px;font-size:.95rem;border-left:1px solid rgba(255,255,255,.15)}
  .gnav>.wrap>ul>li:last-child .top{border-right:1px solid rgba(255,255,255,.15)}
  .gnav button.top:hover,.gnav a.top:hover,.gnav button.top[aria-expanded="true"]{background:var(--navy);color:#fff}
  .mega{position:absolute;left:0;right:0;top:100%;border-radius:0;box-shadow:0 14px 28px rgba(11,42,91,.2);padding:24px 0 28px;border-top:4px solid var(--orange)}
  .mega .wrap{display:grid;grid-template-columns:240px 1fr;gap:32px;text-align:left}
  .mega ul{grid-template-columns:repeat(2,1fr)}
  .mega .m-lead{display:block;background:var(--bg);border-radius:8px;padding:16px;font-size:.88rem;color:var(--muted)}
  .mega .m-lead strong{display:block;color:var(--navy);font-size:1.15rem;margin-bottom:6px}
  .hero-img{height:560px;max-height:none}
  .hero-panel{position:absolute;left:max(24px,calc((100% - 1200px)/2 + 20px));bottom:40px;width:520px;border-radius:12px;padding:32px 34px 30px}
  .hero-panel h1{font-size:2.05rem}
  .quick{grid-template-columns:1fr}
  .insta{grid-template-columns:repeat(6,1fr)}
  .themes{grid-template-columns:repeat(4,1fr)}
  .news-box{max-height:19rem}
}
@media (max-width:1023px){
  .util .search{order:3;width:100%}
  .util .search input{flex:1;width:auto}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}