/* HQ refinement v1: progressive, accessible design improvements. */
:root{--isern-focus:#f0c67a}
.isern-site :where(a,button,input,textarea,select):focus-visible{outline:3px solid var(--isern-focus);outline-offset:4px}
.isern-site .hero h1{font-family:'Yu Mincho','Hiragino Mincho ProN','Noto Serif JP',serif;font-weight:500;letter-spacing:.075em;text-wrap:balance}
.isern-site .hero-copy{max-width:42rem;text-wrap:pretty}
.isern-site .hero .hero-art{display:block;content-visibility:visible}.isern-site .hero{overflow:hidden}.isern-site .hero-inner{isolation:isolate}.isern-site .hero .hero-art{background-color:#043367}
.isern-site .service-row,.isern-site .activity-item,.isern-site .case-small{transition:transform .24s ease,border-color .24s ease}
@media(hover:hover) and (prefers-reduced-motion:no-preference){.isern-site .service-row:hover,.isern-site .activity-item:hover{transform:translateY(-3px)}}
@media(max-width:700px){.isern-site .hero h1{letter-spacing:.035em;overflow-wrap:anywhere}.isern-site .hero-copy br{display:none}.isern-site .hero .hero-art{object-position:80% center}.isern-site .hero-inner{position:relative}.isern-site .hq-cycle-hint{line-height:1.6}}
.isern-site .hq-cycle-explainer{margin-top:1.5rem;padding:clamp(1rem,2vw,1.5rem);border:1px solid rgba(172,204,220,.35);background:rgba(6,24,39,.32);border-radius:4px;min-height:10rem}.isern-site .hq-cycle-kicker{font-size:.7rem;letter-spacing:.16em;color:#b4d5e4}.isern-site .hq-cycle-explainer h3{font-family:'Yu Mincho','Hiragino Mincho ProN',serif;font-weight:500;font-size:1.35rem;color:#fff;margin:.65rem 0}.isern-site .hq-cycle-explainer p{line-height:1.75;color:#e2edf4}.isern-site .hq-cycle-hint{font-size:.75rem;opacity:.75}.isern-site .cycle-node.hq-active{outline:2px solid #f0c67a;outline-offset:5px;border-radius:4px}
.isern-site .hq-service-intro,.isern-site .hq-evidence-note{padding:1.4rem 1.7rem;margin-bottom:2rem;border-left:3px solid #bd9a65;background:#f1f6f8;color:#183b51}.isern-site .hq-service-intro h2,.isern-site .hq-evidence-note h2{font-family:'Yu Mincho','Hiragino Mincho ProN',serif;font-weight:500;font-size:clamp(1.25rem,2vw,1.6rem);margin:0 0 .6rem}.isern-site .hq-service-intro p,.isern-site .hq-evidence-note p{line-height:1.85;margin:0}
@media(max-width:700px){.isern-site .hq-cycle-explainer{min-height:0;padding:1rem 1.1rem}}
@media(prefers-reduced-motion:reduce){.isern-site *, .isern-site *::before,.isern-site *::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}