:root{
  --blue:#073f82;
  --blue2:#0b4f98;
  --navy:#072f65;
  --line:#b9cde6;
  --text:#061d49;
  --muted:#26344b;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  background:#fff;
  color:var(--text);
  font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

/* ===== Header: reference 1146 x 52 ===== */
.site-header{height:52px;background:linear-gradient(180deg,#0b4f98,#073b79);color:#fff;border-bottom:1px solid rgba(255,255,255,.18)}
.header-inner{height:52px;max-width:1064px;margin:0 auto;display:flex;align-items:center;gap:26px;padding:0 1px}
.brand{height:52px;display:flex;align-items:center;white-space:nowrap;min-width:184px}
.cat-logo{width:31px;height:37px;margin-right:3px;color:#fff;transform:translateY(-1px)}
.brand-main{font-family:Georgia,"Times New Roman",serif;font-size:26px;font-weight:700;line-height:1;margin-right:8px;letter-spacing:-.7px}
.brand-sub{font-weight:700;font-size:12px;margin-top:4px}
.global-nav{height:52px;flex:1;display:flex;align-items:stretch;justify-content:flex-end;gap:0}
.global-nav a{display:flex;align-items:center;justify-content:center;gap:5px;height:52px;padding:0 11px;font-size:11.5px;font-weight:700;white-space:nowrap;border-left:1px solid rgba(255,255,255,.04)}
.global-nav a:hover{background:rgba(255,255,255,.09)}
.nav-ico{font-size:17px;line-height:1;opacity:.95;transform:translateY(-1px)}
.contact-nav{height:36px!important;margin:8px 0 8px 8px!important;padding:0 13px!important;border:1px solid rgba(255,255,255,.72)!important;border-radius:4px}
.nav-toggle{display:none}

/* ===== Hero ===== */
/* v10.23: hero画像内のCTAとクリック領域を一致させるため、PCでも元画像1146:247の比率を維持。 */
.hero-reference{position:relative;height:auto;aspect-ratio:1146/247;overflow:hidden;background:#0b2f5a}
.hero-reference>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top}
/* 透明でも確実にクリック対象になるよう、ごく薄い背景とpointer cursorを持たせる。 */
.hero-hotspot{position:absolute;display:block;z-index:3;border-radius:5px;cursor:pointer;background:rgba(255,255,255,.001);pointer-events:auto}
.hero-services{left:7.8%;top:76.2%;width:12.5%;height:13%}
.hero-contact{left:21.6%;top:76.2%;width:13.4%;height:13%}
.hero-hotspot:focus-visible{outline:3px solid #ffdc66;outline-offset:2px}

/* ===== News ===== */
.news{height:91px;max-width:1064px;margin:0 auto;display:grid;grid-template-columns:196px 1fr;border-bottom:0;background:#fff}
.news-labelbox{display:flex;align-items:center;gap:24px;padding-left:9px;border-right:1px solid #d6e0eb}
.news-labelbox h2{margin:0;color:#06488d;font-size:18px;letter-spacing:.04em}
.outline-mini{display:inline-flex;width:64px;height:25px;align-items:center;justify-content:center;border:1px solid #aac2dc;border-radius:4px;color:#173d6c;background:#fff;font-size:10px;font-weight:700}
.news-list{padding:5px 0 5px 25px;max-width:492px}
.news-list a,.news-list .news-item{height:27px;display:grid;grid-template-columns:86px 1fr auto;align-items:center;border-bottom:1px solid #d8e0e9;font-size:11px;font-weight:700;color:#0a2451}
.news-list time{color:#121c2c;font-weight:500}
.news-list em{font-style:normal;font-size:9px;background:#e74a4a;color:#fff;padding:2px 5px;margin-right:2px;border-radius:2px}

/* ===== Service / strengths ===== */
.services{max-width:1064px;margin:0 auto;padding:0 0 9px}
.services>h2,.strengths>h2{text-align:center;color:#073f82;font-size:20px;line-height:1.15;margin:0 0 7px;font-weight:800}
.service-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:21px;padding:0 0}
.service-card{height:130px;border:1px solid #a9c0dd;border-radius:4px;background:#fff;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:10px 6px 6px;box-shadow:0 1px 1px rgba(8,51,102,.02)}
.service-card svg{width:50px;height:50px;fill:none;stroke:#003c82;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:1px}
.service-card h3{font-size:13.5px;margin:0 0 4px;color:#052e68;line-height:1.2;font-weight:800;white-space:nowrap}
.service-card h3.service-title-long{font-size:12.5px;white-space:normal;line-height:1.08;min-height:27px;display:flex;align-items:center;justify-content:center}
.service-card-split h3{white-space:normal}
.service-card p{font-size:10.5px;line-height:1.5;margin:0;color:#0c1321}
.service-card:hover{border-color:#4f82bd;box-shadow:0 3px 10px rgba(3,55,113,.10)}
.service-card-split h3 a,.service-card-split p a{position:relative;z-index:2;border-radius:2px}
.service-card-split h3 a:hover,.service-card-split p a:hover{text-decoration:underline}
.service-card-split h3 a:focus-visible,.service-card-split p a:focus-visible{outline:2px solid #1c64ad;outline-offset:2px}

.strengths{max-width:1064px;margin:0 auto;padding-bottom:10px}
.strengths>h2{margin:0 0 7px}
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #b4c9e2;border-radius:4px;overflow:hidden}
.strength-grid article{height:82px;display:grid;grid-template-columns:70px 1fr;align-items:center;border-right:1px solid #b4c9e2;padding:5px 7px 5px 9px;background:#fff}
.strength-grid article:last-child{border-right:0}
.strength-grid svg{width:57px;height:57px;fill:#0a4a97;stroke:#0a4a97;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.strength-grid h3{font-size:12px;line-height:1.25;margin:0 0 4px;color:#07478c;font-weight:800;white-space:nowrap}
.strength-grid p{font-size:10px;line-height:1.45;margin:0;color:#111827}

/* ===== Footer ===== */
.site-footer{background:linear-gradient(110deg,#063b79,#07488c 60%,#073d79);color:#fff}
.footer-main{height:164px;max-width:1064px;margin:0 auto;display:grid;grid-template-columns:280px 220px 210px 1fr;padding:15px 0 13px}
.footer-main section{padding:0 24px;border-right:1px solid rgba(255,255,255,.55)}
.footer-main section:first-child{padding-left:6px}
.footer-main section:last-child{border-right:0;padding-right:0}
.footer-main h2{margin:0 0 7px;font-size:12px;line-height:1.4;color:#fff;font-weight:800}
.footer-company h2{font-size:13px}
.footer-main p,.footer-main a{font-size:10.5px;line-height:1.65;margin:0;color:#fff}
.footer-main section:not(.footer-company) a{display:block}
.footer-split-link{font-size:10.5px;line-height:1.65;color:#fff;white-space:nowrap}
.footer-main section:not(.footer-company) .footer-split-link a{display:inline}
.footer-split-link a:hover{text-decoration:underline}
.footer-button{display:inline-flex!important;margin-top:8px!important;height:33px;min-width:130px;padding:0 14px;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.72);border-radius:4px}
.footer-button.wide{min-width:188px}
.socials{display:flex;gap:13px;margin-top:8px}
.socials span{display:inline-flex;width:35px;height:35px;border:1px solid rgba(255,255,255,.72);border-radius:50%;align-items:center;justify-content:center;font-size:22px;font-weight:700}
.footer-legal{height:31px;background:#fff;color:#315c91;display:flex;align-items:center;justify-content:space-between;padding:0 max(calc((100% - 1064px)/2),18px);font-size:9.5px}
.footer-legal div{display:flex;gap:12px;align-items:center}
.footer-legal a{font-weight:700}

/* Dummy anchors keep layout behavior simple. */
#pricing,#cases,#internet,#idc,#ai,#nas,#vpn{scroll-margin-top:60px}

@media(max-width:1000px){
  .site-header{height:auto}.header-inner{max-width:none;padding:0 18px}.global-nav{display:none;position:absolute;z-index:20;top:52px;right:12px;left:12px;height:auto;background:#073f82;box-shadow:0 12px 30px rgba(0,0,0,.2);flex-direction:column}.global-nav.is-open{display:flex}.global-nav a,.contact-nav{height:44px!important;margin:0!important;border-radius:0!important;border:0!important;border-bottom:1px solid rgba(255,255,255,.12)!important;justify-content:flex-start;padding:0 20px!important}.nav-toggle{margin-left:auto;display:block;width:38px;height:34px;border:1px solid rgba(255,255,255,.7);border-radius:4px;background:transparent;padding:6px}.nav-toggle span{display:block;height:2px;background:#fff;margin:5px 2px}
  .hero-reference{height:auto;aspect-ratio:1146/247}.news{height:auto;margin:0 16px;grid-template-columns:170px 1fr}.service-grid{grid-template-columns:repeat(3,1fr);padding:0 16px}.services,.strengths{max-width:none}.strength-grid{margin:0 16px;grid-template-columns:repeat(2,1fr)}.strength-grid article:nth-child(2){border-right:0}.strength-grid article:nth-child(-n+2){border-bottom:1px solid #b4c9e2}.footer-main{height:auto;grid-template-columns:repeat(2,1fr);padding:18px}.footer-main section{border:0;border-bottom:1px solid rgba(255,255,255,.25);padding:14px}.footer-main section:first-child{padding-left:14px}.footer-legal{height:auto;min-height:44px;gap:10px;flex-wrap:wrap;padding:10px 18px}
}
@media(max-width:640px){
  .brand{min-width:0}.brand-main{font-size:23px}.brand-sub{font-size:11px}.hero-services{left:8%;width:20%}.hero-contact{left:29%;width:22%}
  .news{margin:0;grid-template-columns:1fr}.news-labelbox{height:54px;border-right:0;border-bottom:1px solid #d6e0eb;padding:0 18px;justify-content:space-between}.news-list{padding:6px 16px;max-width:none}.news-list a,.news-list .news-item{height:auto;min-height:42px;grid-template-columns:82px 1fr auto;gap:6px}.service-grid{grid-template-columns:repeat(2,1fr);gap:10px;padding:0 12px}.services{padding-top:10px}.service-card{height:132px}.strength-grid{grid-template-columns:1fr;margin:0 12px}.strength-grid article{border-right:0!important;border-bottom:1px solid #b4c9e2!important}.strength-grid article:last-child{border-bottom:0!important}.footer-main{grid-template-columns:1fr}.footer-legal{display:block;text-align:center}.footer-legal div{justify-content:center;margin-top:6px}
}


/* v10.17: SINCE 1997 trust bar visibility update
   CF-SX3 / Windows 10実機で小さく感じたため、トップの「主なサービス」見出しに近い大きさへ拡大。
   Catsの濃紺・青・白のデザインを保ちつつ、SINCEだけシアンで歴史を強調する。 */
.since-1997-bar{background:#073f82;border-bottom:1px solid #0b5aa8;color:#fff}
.since-1997-inner{max-width:1064px;min-height:56px;margin:0 auto;padding:10px 12px;display:flex;align-items:center;justify-content:center;gap:16px;font-size:20px;line-height:1.4;letter-spacing:.01em;font-weight:800}
.since-1997-inner strong{color:#75dcff;font-size:24px;letter-spacing:.10em;white-space:nowrap;font-weight:900}
@media(max-width:640px){.since-1997-inner{min-height:66px;padding:9px 12px;gap:3px;flex-direction:column;font-size:17px;text-align:center}.since-1997-inner strong{font-size:20px}}