/* すべてのページで同じ操作を使う */
.ivsk-global-header{position:sticky;top:0;z-index:2000;background:#fff;color:#153850;border-bottom:1px solid #dce5eb;font-family:"Yu Gothic",Meiryo,sans-serif;line-height:1.5;backdrop-filter:none;padding:0;text-align:left}
.ivsk-global-header *{box-sizing:border-box}
.ivsk-global-inner{max-width:1440px;margin:auto;display:flex;flex-wrap:wrap;align-items:center;gap:12px 26px;padding:14px 22px}
.ivsk-global-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#153850;font-size:20px;font-weight:800;white-space:nowrap}
.ivsk-global-brand img{width:44px;height:56px;object-fit:contain;display:block}
.ivsk-global-brand small{display:block;font-size:10px;letter-spacing:.04em;font-weight:500;margin-top:3px}
.ivsk-global-nav{display:flex;flex:1;justify-content:flex-end;align-items:center;flex-wrap:wrap;gap:10px 18px;font-size:13px;font-weight:700}
.ivsk-global-nav>a,.ivsk-services-menu summary{padding:8px 0;color:#153850;text-decoration:none;white-space:nowrap;cursor:pointer}
.ivsk-global-nav [aria-current=page]{color:#9a5d23;text-decoration:underline;text-underline-offset:6px}
.ivsk-services-menu{position:relative}.ivsk-services-menu summary{list-style:none}.ivsk-services-menu summary::-webkit-details-marker{display:none}
.ivsk-services-list{position:absolute;top:100%;left:-20px;width:210px;padding:12px;background:#fff;border:1px solid #dce5eb;box-shadow:0 8px 24px #17384c18;border-radius:4px}
.ivsk-services-list a{display:block;padding:10px 12px;color:#153850;text-decoration:none;border-radius:3px}
.ivsk-services-list a:hover{background:#eef3f6}
.ivsk-global-contact{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:800}
.ivsk-global-contact a{color:#153850;text-decoration:none;white-space:nowrap}
.ivsk-global-contact a.ivsk-global-line{background:#087d39;color:#fff;padding:10px 15px;border-radius:4px}
.ivsk-unified-footer{padding:34px 22px;background:#102f4e;color:#fff;font-family:"Yu Gothic",Meiryo,sans-serif;line-height:1.8}
.ivsk-unified-footer-inner{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.ivsk-unified-footer strong{font-size:20px}.ivsk-unified-footer p{margin:10px 0;font-size:13px;color:#dce5ee}.ivsk-unified-footer small{font-size:12px}
.ivsk-unified-logos{display:flex;align-items:center;gap:22px;max-width:100%}
.ivsk-unified-logos img:first-child{width:70px;height:auto}.ivsk-unified-logos img:last-child{width:210px;height:auto}
:focus-visible{outline:3px solid #c38b36;outline-offset:4px}
@media(max-width:1150px){.ivsk-global-nav{order:3;justify-content:flex-start;flex-basis:100%;gap:8px 22px}.ivsk-global-contact{margin-left:auto}}
@media(max-width:640px){.ivsk-global-inner{padding:10px 14px;gap:8px 12px}.ivsk-global-brand{font-size:16px}.ivsk-global-brand img{width:32px;height:42px}.ivsk-global-brand small{font-size:9px}.ivsk-global-contact{gap:8px;font-size:11px}.ivsk-global-contact a.ivsk-global-line{padding:9px}.ivsk-global-nav{gap:3px 16px;font-size:12px}.ivsk-services-list{width:190px;left:0}.ivsk-unified-logos img:last-child{width:180px}.ivsk-unified-logos{gap:15px}.ivsk-unified-footer{padding-bottom:34px}}
@media(max-width:390px){.ivsk-global-contact{width:100%;margin-left:42px;justify-content:flex-start}.ivsk-global-nav{gap:3px 13px}}

@media(min-width:901px){body:has(.work-marquee) .feature-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:900px){body:has(.work-marquee) .feature-grid{grid-template-columns:1fr}}

.ivsk-legacy-title{max-width:1120px;margin:30px auto;padding:0 20px;font-size:28px;color:#173e59;font-family:"Yu Gothic",Meiryo,sans-serif}

.ivsk-global-contact .ivsk-header-guardian{display:block;width:58px;height:58px;object-fit:contain;flex:none}.ivsk-global-contact{flex-wrap:nowrap}@media(max-width:640px){.ivsk-global-contact .ivsk-header-guardian{width:45px;height:45px}.ivsk-global-contact:has(.ivsk-header-guardian){width:100%;margin-left:0;justify-content:flex-end}.ivsk-global-contact:has(.ivsk-header-guardian) a{font-size:12px}}