@charset "UTF-8";
:root{--ink:#173b5c;--ink-deep:#0b3155;--cyan:#2d9bb5;--cyan-soft:#dff4f7;--blue:#4f9fd5;--pink:#f8e8f8;--yellow:#efb600;--red:#ff4450;--paper:#fff;--mist:#f5f9fb;--line:#dce8ee;--muted:#5d6d79;--radius:24px;--shadow:0 22px 60px rgba(18,64,91,.11);--content:min(1180px,calc(100% - 48px))}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:#203a50;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-underline-offset:.2em}
button{font:inherit}
.site-shell{min-height:100vh}
.site-shell .skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:10px 16px;border-radius:8px;background:var(--ink-deep);color:#fff;transform:translateY(-150%)}
.site-shell .skip-link:focus{transform:translateY(0)}
.site-shell a:focus-visible,.site-shell button:focus-visible,.site-shell summary:focus-visible{outline:3px solid #ffbf00;outline-offset:4px}
.site-shell .container{width:var(--content);margin-inline:auto}
.site-shell .site-header{position:relative;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(220,232,238,.72)}
.site-shell .header-inner{min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.site-shell .brand{display:inline-flex;flex:0 0 auto;align-items:center}
.site-shell .brand img{width:min(274px,34vw);max-height:72px;object-fit:contain;object-position:left center}
.site-shell .nav-toggle{display:none;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);padding:10px 15px;font-weight:700;cursor:pointer}
.site-shell .primary-nav{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.site-shell .primary-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:9px 15px;border-radius:999px;text-decoration:none;font-size:.92rem;font-weight:700;white-space:nowrap}
.site-shell .primary-nav .nav-text:hover{background:var(--mist)}
.site-shell .primary-nav .nav-service{background:var(--yellow);color:#fff}
.site-shell .primary-nav .nav-contact{background:var(--cyan);color:#fff}
.site-shell .hero{padding:16px 0 76px}
.site-shell .hero-frame{position:relative;display:grid;grid-template-columns:minmax(0,.86fr) minmax(420px,1.14fr);align-items:stretch;min-height:620px;overflow:hidden;border-radius:0 0 44px 0;background:linear-gradient(135deg,#f4e6fb 0%,#eff2ff 44%,#e3f7fb 72%,#fff 72%);box-shadow:var(--shadow)}
.site-shell .hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;padding:72px clamp(32px,6vw,88px)}
.site-shell .eyebrow{margin:0 0 12px;color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase}
.site-shell .hero h1{max-width:620px;margin:0;color:var(--ink);font-size:clamp(2.8rem,5.4vw,5.4rem);line-height:1.04;letter-spacing:.015em}
.site-shell .hero-lead{max-width:560px;margin:27px 0 0;color:var(--ink-deep);font-size:clamp(1.13rem,2vw,1.55rem);font-weight:700;line-height:1.65}
.site-shell .hero-note{max-width:560px;margin:15px 0 0;color:var(--muted)}
.site-shell .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.site-shell .button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 23px;border:1px solid transparent;border-radius:999px;text-decoration:none;font-weight:800;line-height:1.4}
.site-shell .button-primary{background:var(--cyan);color:#fff;box-shadow:0 10px 24px rgba(45,155,181,.2)}
.site-shell .button-secondary{border-color:var(--ink);background:rgba(255,255,255,.78);color:var(--ink)}
.site-shell .hero-visual{min-width:0;display:flex;align-items:center;justify-content:center;padding:48px 42px 48px 0}
.site-shell .hero-visual img{width:100%;max-height:520px;object-fit:contain;filter:drop-shadow(0 20px 32px rgba(34,79,107,.13))}
.site-shell .quick-summary{position:relative;z-index:3;margin-top:-32px}
.site-shell .summary-panel{display:grid;grid-template-columns:.72fr 1.28fr;gap:40px;align-items:center;padding:32px 38px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 16px 45px rgba(18,64,91,.08)}
.site-shell .summary-panel strong{display:block;color:var(--ink);font-size:1.25rem}
.site-shell .summary-panel p{margin:0;color:var(--muted)}
.site-shell .section{padding:104px 0}
.site-shell .section-tint{background:var(--mist)}
.site-shell .section-heading{display:grid;grid-template-columns:.55fr 1.45fr;gap:50px;align-items:end;margin-bottom:48px}
.site-shell .section-heading h2{margin:0;color:var(--ink);font-size:clamp(2rem,4vw,3.45rem);line-height:1.15;letter-spacing:.01em}
.site-shell .section-heading p{max-width:700px;margin:0;color:var(--muted);font-size:1.04rem}
.site-shell .service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
.site-shell .service-item{position:relative;display:grid;grid-template-columns:72px 1fr auto;gap:20px;align-items:start;min-width:0;padding:31px 26px;border-bottom:1px solid var(--line);text-decoration:none}
.site-shell .service-item:nth-child(odd){border-right:1px solid var(--line)}
.site-shell .service-item:hover{background:#fff}
.site-shell .service-number{color:var(--cyan);font-size:.82rem;font-weight:800;letter-spacing:.14em}
.site-shell .service-item h3{margin:0 0 7px;color:var(--ink);font-size:1.18rem}
.site-shell .service-item p{margin:0;color:var(--muted);font-size:.93rem}
.site-shell .service-arrow{color:var(--cyan);font-size:1.45rem;line-height:1}
.site-shell .feature-band{background:var(--ink-deep);color:#fff}
.site-shell .feature-band .eyebrow{color:#76d4e5}
.site-shell .feature-band .section-heading h2,.site-shell .feature-band .section-heading p{color:#fff}
.site-shell .benefit-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.2)}
.site-shell .benefit{padding:38px 34px;background:var(--ink-deep)}
.site-shell .benefit span{display:inline-grid;width:42px;height:42px;place-items:center;margin-bottom:24px;border:1px solid rgba(255,255,255,.4);border-radius:50%;color:#82d7e5;font-weight:800}
.site-shell .benefit h3{margin:0 0 12px;font-size:1.25rem}
.site-shell .benefit p{margin:0;color:#d8e6ef}
.site-shell .business-detail{display:grid;grid-template-columns:.92fr 1.08fr;gap:68px;align-items:start}
.site-shell .business-detail h2{margin:0 0 18px;color:var(--ink);font-size:clamp(2rem,4vw,3.3rem);line-height:1.2}
.site-shell .business-detail .lead{margin:0;color:var(--muted);font-size:1.07rem}
.site-shell .detail-block{padding:30px 0;border-top:1px solid var(--line)}
.site-shell .detail-block:last-child{border-bottom:1px solid var(--line)}
.site-shell .detail-block h3{margin:0 0 12px;color:var(--ink);font-size:1.15rem}
.site-shell .detail-block ol,.site-shell .detail-block ul{margin:0;padding-left:1.4em}
.site-shell .function-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.site-shell .function-tags span{padding:7px 12px;border-radius:999px;background:var(--cyan-soft);color:var(--ink-deep);font-size:.84rem;font-weight:700}
.site-shell .company-grid{display:grid;grid-template-columns:.58fr 1.42fr;gap:64px}
.site-shell .company-grid h2{margin:0;color:var(--ink);font-size:clamp(2rem,4vw,3.3rem)}
.site-shell .company-table{margin:0;border-top:1px solid var(--line)}
.site-shell .company-row{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:21px 0;border-bottom:1px solid var(--line)}
.site-shell .company-row dt{font-weight:800;color:var(--ink)}
.site-shell .company-row dd{margin:0;overflow-wrap:anywhere}
.site-shell .text-link{color:var(--cyan);font-weight:800}
.site-shell .faq-wrap{max-width:900px;margin-inline:auto}
.site-shell .faq-wrap .section-heading{display:block;text-align:center}
.site-shell .faq-wrap .section-heading p{margin:15px auto 0}
.site-shell .faq-list{border-top:1px solid var(--line)}
.site-shell .faq-item{border-bottom:1px solid var(--line)}
.site-shell .faq-item summary{position:relative;padding:25px 56px 25px 48px;color:var(--ink);font-weight:800;cursor:pointer;list-style:none}
.site-shell .faq-item summary::-webkit-details-marker{display:none}
.site-shell .faq-item summary::before{content:"Q";position:absolute;left:8px;color:var(--cyan);font-size:1.15rem}
.site-shell .faq-item summary::after{content:"＋";position:absolute;right:12px;color:var(--cyan);font-size:1.3rem}
.site-shell .faq-item[open] summary::after{content:"−"}
.site-shell .faq-answer{padding:0 48px 27px;color:var(--muted)}
.site-shell .faq-answer p{margin:0}
.site-shell .cta-section{padding:88px 0;background:linear-gradient(120deg,#eaf8fb,#f7eafa 54%,#fff3dc)}
.site-shell .cta-panel{display:grid;grid-template-columns:1fr auto;gap:38px;align-items:center}
.site-shell .cta-panel h2{margin:0 0 12px;color:var(--ink);font-size:clamp(2rem,4vw,3.3rem);line-height:1.25}
.site-shell .cta-panel p{margin:0;color:var(--muted)}
.site-shell .site-footer{padding:58px 0 24px;background:#082b49;color:#dce8ef}
.site-shell .footer-main{display:grid;grid-template-columns:1fr 1.25fr;gap:60px;padding-bottom:42px}
.site-shell .footer-brand img{width:235px;padding:9px;border-radius:8px;background:#fff}
.site-shell .footer-brand p{margin:17px 0 0;font-size:.9rem}
.site-shell .footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 28px}
.site-shell .footer-links a{color:#fff;text-decoration:none}
.site-shell .footer-links a:hover{text-decoration:underline}
.site-shell .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18);font-size:.82rem}
@media (max-width:980px){:root{--content:min(100% - 34px,760px)}.site-shell .header-inner{min-height:88px}.site-shell .nav-toggle{display:inline-flex}.site-shell .primary-nav{position:absolute;top:100%;right:17px;left:17px;display:none;flex-direction:column;align-items:stretch;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.site-shell .primary-nav[data-open="true"]{display:flex}.site-shell .primary-nav a{width:100%}.site-shell .hero-frame{grid-template-columns:1fr;min-height:auto}.site-shell .hero-copy{padding:64px 40px 34px}.site-shell .hero-visual{padding:10px 34px 48px}.site-shell .hero-visual img{max-height:380px}.site-shell .section-heading,.site-shell .business-detail,.site-shell .company-grid{grid-template-columns:1fr;gap:25px}.site-shell .benefit-list{grid-template-columns:1fr}.site-shell .cta-panel{grid-template-columns:1fr}.site-shell .footer-main{grid-template-columns:1fr}}
@media (max-width:680px){:root{--content:calc(100% - 28px)}.site-shell .brand img{width:205px;max-width:62vw}.site-shell .hero{padding-top:8px}.site-shell .hero-frame{border-radius:0 0 26px 0}.site-shell .hero-copy{padding:48px 24px 28px}.site-shell .hero h1{font-size:clamp(2.5rem,14vw,4.15rem);overflow-wrap:anywhere}.site-shell .hero-visual{padding:8px 20px 36px}.site-shell .quick-summary{margin-top:-18px}.site-shell .summary-panel{grid-template-columns:1fr;gap:8px;padding:25px}.site-shell .section{padding:76px 0}.site-shell .service-list{grid-template-columns:1fr}.site-shell .service-item{grid-template-columns:44px 1fr auto;padding:25px 10px}.site-shell .service-item:nth-child(odd){border-right:0}.site-shell .company-row{grid-template-columns:1fr;gap:5px}.site-shell .faq-item summary{padding-left:40px;padding-right:44px}.site-shell .faq-answer{padding-left:40px;padding-right:20px}.site-shell .footer-links{grid-template-columns:1fr}.site-shell .footer-bottom{flex-direction:column}.site-shell .button{width:100%}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.site-shell *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* codex-official-renewal-technical-guard-v1
   Preserve the AI renewal layout; only prevent mechanical overflow. */
html[data-aeo-official-renewal="1"],
html[data-aeo-official-renewal="1"] body {
  width:100%;
  max-width:100%;
  margin:0;
  overflow-x:clip;
}
html[data-aeo-official-renewal="1"] {
  display:block !important;
  visibility:visible !important;
  opacity:1 !important;
}
html[data-aeo-official-renewal="1"] body[data-aeo-official-renewal="1"] {
  display:block !important;
  visibility:visible !important;
  opacity:1 !important;
}
html[data-aeo-official-renewal="1"] *,
html[data-aeo-official-renewal="1"] *::before,
html[data-aeo-official-renewal="1"] *::after {
  box-sizing:border-box;
}
html[data-aeo-official-renewal="1"] :where(header,nav,main,section,article,aside,footer,div) {
  min-width:0;
}
html[data-aeo-official-renewal="1"] :where(img,picture,video,canvas,svg,iframe) {
  max-width:100%;
}
html[data-aeo-official-renewal="1"] :where(h1,h2,h3,p,li,a,button) {
  overflow-wrap:break-word;
}
@media (max-width:768px) {
  html[data-aeo-official-renewal="1"] :where(h1,h2,h3) {
    max-width:100%;
    text-wrap:balance;
  }
}