:root{--bg:#02476c;--fg:#e8eaee;--muted:#c9d2da;--accent:#eae23d;--line:#2a2d33;--card:#0f2e44;--overlay:rgba(0,0,0,.35);--max:1200px;--radius:16px}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 system-ui,-apple-system,Segoe UI,Roboto,Noto Sans JP,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}
img{max-width:100%;height:auto;vertical-align:middle;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:20px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(2,23,36,.6);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);overflow:visible}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.header--square{height:60px}
.logo{font-weight:800;letter-spacing:.08em;display:flex;align-items:center;gap:10px}
.logo-img img{display:block;height:auto}
.logo--wide .logo-img img{max-height:40px}
.logo--square .logo-img img{max-height:200px}
/* Square logo background panel (desktop) */
.logo--square .logo-img{position:relative;background:rgba(0,0,0,.35);mix-blend-mode:multiply;padding:240px 8px 8px;border-radius:12px;display:inline-block}
.logo-text{font-weight:800;letter-spacing:.08em}
.gnav .menu{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.gnav a{opacity:.9}.gnav a:hover{opacity:1}

/* Hero */
.hero{position:relative;min-height:68vh;display:grid;place-items:center;border-bottom:1px solid var(--line);background:var(--bg)}
.hero::before{content:"";position:absolute;inset:0;background:var(--hero-bg);display:none}
.hero.hero--image::before{display:block}
.hero.hero--solid{background:var(--hero-color,#02476c)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,.6));z-index:0}
.hero .copy{position:relative;z-index:2;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:.5em;padding:.3em .7em;border:1px solid var(--fg);border-radius:999px;font-size:.8rem;letter-spacing:.12em;margin-bottom:18px;background:var(--overlay)}
.badge{display:inline-block;padding:.25em .6em;border-radius:999px;background:var(--accent);color:#111;font-weight:700;margin-left:.4em}
.hero h1{margin:0;font-size:clamp(28px,4.2vw,54px);line-height:1.2;letter-spacing:.06em}
.sub{color:var(--muted);margin-top:12px}
.cta{margin-top:28px;display:inline-flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.6em;padding:12px 18px;border:1px solid var(--accent);color:#111;background:var(--accent);border-radius:999px;font-weight:700}
.btn--ghost{background:transparent;color:var(--fg)}.btn--ghost:hover{background:rgba(234,226,61,.12)}

/* Sections */
section{padding-block:72px;border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-title{font-size:clamp(20px,2.6vw,28px);letter-spacing:.08em}
.sec-desc{color:var(--muted);max-width:820px}

.note{background:rgba(255,255,255,.06);border:1px dashed var(--line);border-radius:12px;padding:12px 14px;margin:10px 0}

/* Two column */
.two-col{display:grid;grid-template-columns:7fr 3fr;gap:28px;align-items:start}
.about-section{background:var(--card);margin:0;padding-block:72px;border-bottom:1px solid var(--line)}
.about-section .wrap{max-width:var(--max);margin-inline:auto;padding-inline:20px}
.about-section .sec-head{max-width:var(--max);margin:0 auto 28px;padding-inline:20px;display:flex;align-items:end;justify-content:space-between;gap:16px}
.panel{background:var(--card);padding:28px;border:1px solid var(--line);border-radius:var(--radius)}
.image-panel img{width:100%;border-radius:var(--radius);border:1px solid var(--line)}

/* Reports */
.reports-2col{display:grid;grid-template-columns:minmax(240px,3fr) minmax(260px,4fr);grid-template-areas:"list hero";gap:24px;align-items:stretch}
.report-list{grid-area:list;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;gap:6px;font-size:.9rem}
.report-item{padding:8px 10px;border-radius:8px;transition:background .2s}
.report-item.active{background:rgba(255,255,255,.06)}
.report-item .title{display:block;font-weight:600}
.progress{height:3px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden;margin-top:4px}
.bar{height:100%;width:0;background:var(--accent)}
.report-hero{grid-area:hero;align-self:stretch}
.thumb-lg{width:100%;height:100%;min-height:320px;background:#123447 center/cover;border-radius:12px;border:1px solid var(--line)}

/* Gallery */
.gallery{--h:220px}
.rail{display:flex;gap:12px;overflow:auto;padding-bottom:4px;scroll-snap-type:x mandatory}
.shot{min-width:340px;height:var(--h);background:#153a53 center/cover;border-radius:14px;border:1px solid var(--line);scroll-snap-align:start;flex-shrink:0}

/* Access/Footer */
.access{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.map{aspect-ratio:16/11;border-radius:var(--radius);border:1px solid var(--line);background:repeating-linear-gradient(45deg,#16384d,#16384d 10px,#183c53 10px,#183c53 20px)}
.address{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.address dt{color:var(--muted)} .address dd{margin:0 0 10px}

footer{padding:36px 0;color:var(--muted)}
.footer-top{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;border-top:1px solid var(--line);padding-top:24px}
.guide{margin-top:8px}

/* Responsive */
@media (max-width:1080px){ .reports-2col{grid-template-columns:1fr 1fr} }
@media (max-width:980px){ .two-col{grid-template-columns:1fr} .access{grid-template-columns:1fr} }
@media (max-width: 980px){
  .header-inner{height:auto;padding:12px 0;flex-direction:column;align-items:center;gap:8px}
  .gnav .menu{display:flex !important;flex-direction:column;align-items:center;gap:10px}
  .gnav a{display:block;padding:6px 10px}
  .hero{min-height:62vh}
  .rail{gap:10px}
  .shot{min-width:76%}
  .reports-2col{grid-template-columns:1fr;grid-template-areas:"hero" "list"}
  .report-hero{margin-bottom:12px}
  .thumb-lg{height:auto;aspect-ratio:4/3}
  .logo--square .logo-img{mix-blend-mode:normal !important;background:transparent !important;padding:24px 8px 8px !important;border-radius:0 !important}
  .logo--square .logo-img img{max-height:140px;margin:0 auto}
}