:root{--navy:#102746;--navy2:#183f70;--ink:#17385f;--muted:#647b99;--lapis:#26619c;--lapis-dark:#174a7e;--sky:#e8f1fb;--paper:#f5f8fc;--white:#fff;--line:#d9e3ef;--green:#2d8a68;--orange:#f28b30;--shadow:0 24px 64px rgba(16,39,70,.14);--shadow-sm:0 10px 30px rgba(16,39,70,.09);--radius:24px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--white);font-family:"Noto Sans JP","Yu Gothic",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}a{color:inherit}img,svg{display:block;max-width:100%}button,input{font:inherit}.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.section{padding:104px 0}.section--soft{background:var(--paper)}.section--navy{color:var(--white);background:var(--navy)}.section--cta{padding-top:28px}.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 12px;color:var(--lapis);font-size:.76rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.eyebrow:before{content:"";width:30px;height:2px;background:currentColor}.section--navy .eyebrow,.cta-panel .eyebrow{color:#9bc6f2}.section-heading{max-width:790px;margin-bottom:44px}.section-heading--wide{max-width:none}.section-heading h2,.backup-grid h2{margin:0;font-size:clamp(2rem,4vw,3.35rem);line-height:1.24;letter-spacing:-.04em}.section-heading>p:last-child,.backup-grid>div>p{max-width:780px;margin:18px 0 0;color:var(--muted)}.section--navy .backup-grid>div>p{color:#c0d2e7}.site-header{position:sticky;z-index:50;top:0;border-bottom:1px solid rgba(217,227,239,.85);background:rgba(255,255,255,.94);backdrop-filter:blur(18px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand img{width:min(255px,28vw);height:auto}.nav-links{display:flex;align-items:center;gap:23px}.nav-links>a{color:var(--muted);font-size:.84rem;font-weight:800;text-decoration:none}.nav-links>a:hover{color:var(--lapis)}.nav-toggle{display:none;width:44px;height:44px;place-items:center;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--white)}.nav-toggle span,.nav-toggle:before,.nav-toggle:after{content:"";display:block;width:19px;height:2px;background:currentColor}.nav-toggle span{margin:4px 0}.btn{display:inline-flex;min-height:52px;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border:1px solid transparent;border-radius:999px;text-decoration:none;font-weight:900;line-height:1.25;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn--primary{color:var(--white)!important;background:var(--lapis);box-shadow:0 12px 28px rgba(38,97,156,.26)}.btn--primary:hover{background:var(--lapis-dark)}.btn--ghost{border-color:var(--line);background:var(--white)}.btn--light{color:var(--navy);background:var(--white)}.btn--small{min-height:43px;padding:10px 17px;font-size:.8rem}
.hero{position:relative;overflow:hidden;min-height:720px;display:grid;align-items:center;padding:78px 0 88px;background:linear-gradient(135deg,#fff 6%,#edf4fb 60%,#f7f9fc)}.hero:after{content:"";position:absolute;width:680px;height:680px;right:-260px;top:-290px;border:1px solid rgba(38,97,156,.14);border-radius:50%;box-shadow:0 0 0 90px rgba(38,97,156,.04),0 0 0 180px rgba(38,97,156,.025)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:72px}.hero-kicker{display:inline-flex;align-items:center;gap:9px;margin:0;padding:7px 13px;border:1px solid #b9d2ec;border-radius:999px;color:var(--lapis-dark);background:rgba(255,255,255,.82);font-size:.8rem;font-weight:900}.hero-kicker i{width:8px;height:8px;border-radius:50%;background:var(--lapis);box-shadow:0 0 0 5px rgba(38,97,156,.12)}.hero h1{margin:22px 0;font-size:clamp(3rem,5vw,4.8rem);line-height:1.1;letter-spacing:-.055em}.hero h1 em{display:block;color:var(--lapis);font-style:normal}.hero-copy{max-width:650px;margin:0 0 30px;color:var(--muted);font-size:1.08rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-notes{display:flex;flex-wrap:wrap;gap:16px;margin-top:20px;color:var(--muted);font-size:.8rem;font-weight:700}.hero-notes span:before{content:"✓";margin-right:7px;color:var(--green);font-weight:900}
.network-visual{position:relative;min-height:510px}.network-visual svg{position:absolute;inset:0;width:100%;height:100%}.network-visual svg path{fill:none;stroke:#b9d2ec;stroke-width:2;stroke-dasharray:7 8}.network-core,.node{position:absolute;z-index:2;display:grid;place-items:center;text-align:center;background:var(--white);box-shadow:var(--shadow)}.network-core{left:50%;top:50%;width:168px;height:168px;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 18px rgba(38,97,156,.1),var(--shadow)}.network-core span{display:grid;width:56px;height:56px;place-items:center;border-radius:18px;color:var(--white);background:var(--lapis);font-size:1.3rem;font-weight:900}.network-core b{margin-top:-10px}.network-core small{margin-top:-18px;color:var(--green);font-size:.7rem;font-weight:900}.node{width:154px;padding:17px;border:1px solid var(--line);border-radius:18px}.node i{display:grid;width:40px;height:40px;place-items:center;margin-bottom:6px;border-radius:12px;color:var(--lapis-dark);background:var(--sky);font-style:normal;font-weight:900}.node b{font-size:.86rem}.node small{color:var(--muted);font-size:.66rem}.node-a{left:4px;top:42px}.node-b{right:4px;top:42px}.node-c{left:4px;bottom:42px}.node-d{right:4px;bottom:42px}.node-d i{color:#277455;background:#e7f6ef}
.proof-strip{border-block:1px solid var(--line)}.proof-grid{display:grid;grid-template-columns:repeat(4,1fr)}.proof-grid>div{padding:25px 16px;border-right:1px solid var(--line);text-align:center}.proof-grid>div:last-child{border-right:0}.proof-grid strong{display:block;color:var(--lapis);font-size:1.08rem}.proof-grid span{color:var(--muted);font-size:.76rem;font-weight:700}.fit-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:62px;align-items:start}.fit-panel{display:grid;gap:11px}.fit-panel label{display:flex;gap:13px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--white);cursor:pointer;transition:.2s}.fit-panel label:hover,.fit-panel label:has(input:checked){border-color:var(--lapis);background:var(--sky);transform:translateX(4px)}.fit-panel input{margin-top:6px;accent-color:var(--lapis)}.fit-panel span{font-weight:700}.fit-result{padding:17px 19px;border-radius:15px;color:var(--white);background:var(--navy);font-size:.88rem}.fit-result.is-active{box-shadow:0 10px 25px rgba(16,39,70,.2)}
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.service-card{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow-sm)}.service-card>span{display:grid;width:44px;height:44px;place-items:center;border-radius:13px;color:var(--lapis-dark);background:var(--sky);font-weight:900}.service-card h3{margin:20px 0 9px;font-size:1.45rem}.service-card p{margin:0;color:var(--muted);font-size:.88rem}.service-card ul{display:grid;gap:8px;margin:19px 0 0;padding:17px 0 0;border-top:1px solid var(--line);list-style:none}.service-card li{font-size:.8rem;font-weight:800}.service-card li:before{content:"✓";margin-right:8px;color:var(--lapis)}.service-card--dark{color:var(--white);border-color:var(--navy);background:var(--navy)}.service-card--dark>span{color:var(--white);background:var(--lapis)}.service-card--dark p{color:#c0d2e7}.service-card--dark ul{border-color:rgba(255,255,255,.14)}.service-card--dark li:before{color:#9bc6f2}
.backup-grid{display:grid;grid-template-columns:1fr .85fr;align-items:center;gap:64px}.backup-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:30px}.backup-points>div{padding:14px;border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.06)}.backup-points b,.backup-points span{display:block}.backup-points b{color:#9bc6f2;font-size:.82rem}.backup-points span{margin-top:3px;color:#c0d2e7;font-size:.68rem}.backup-visual{padding:36px;border:1px solid rgba(255,255,255,.13);border-radius:28px;background:rgba(255,255,255,.07);text-align:center}.backup-ring{width:190px;height:190px;display:grid;place-items:center;margin:0 auto;border:2px solid #9bc6f2;border-radius:50%;box-shadow:0 0 0 16px rgba(155,198,242,.08),0 0 0 32px rgba(155,198,242,.04)}.backup-ring span{align-self:end;color:#9bc6f2;font-size:.7rem;font-weight:900;letter-spacing:.13em}.backup-ring b{align-self:start;font-size:1.35rem}.backup-route{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:38px}.backup-route span{padding:7px 10px;border-radius:9px;background:rgba(255,255,255,.09);font-size:.7rem;font-weight:800}.backup-route i{color:#9bc6f2;font-style:normal}.backup-visual>small{display:block;margin-top:14px;color:#c0d2e7}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:21px}.case-card{padding:29px;border:1px solid var(--line);border-radius:24px;background:var(--white);box-shadow:var(--shadow-sm)}.case-card--featured{grid-column:1/-1;display:grid;grid-template-columns:120px 1fr;column-gap:28px;align-items:start;background:linear-gradient(135deg,#e8f1fb,#fff)}.case-card--featured .case-no,.case-card--featured small{grid-column:1}.case-card--featured h3,.case-card--featured dl{grid-column:2}.case-card--featured h3{grid-row:1/3;margin-top:0}.case-no{color:var(--lapis);font-size:.72rem;font-weight:900;letter-spacing:.12em}.case-card>small{display:block;margin-top:8px;color:var(--muted);font-size:.72rem}.case-card h3{margin:12px 0 20px;font-size:1.35rem;line-height:1.4}.case-card dl{display:grid;grid-template-columns:62px 1fr;gap:9px 13px;margin:0;padding-top:18px;border-top:1px solid var(--line);font-size:.8rem}.case-card dt{color:var(--muted)}.case-card dd{margin:0;font-weight:700}.source-note{margin:18px 0 0;color:var(--muted);font-size:.72rem;text-align:center}.flow-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:62px;align-items:start}.flow-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.flow-list li{display:grid;grid-template-columns:52px 1fr;gap:15px;padding:20px;border:1px solid var(--line);border-radius:17px;background:var(--white)}.flow-list>li>b{display:grid;width:52px;height:52px;place-items:center;border-radius:14px;color:var(--white);background:var(--lapis)}.flow-list h3{margin:0 0 4px;font-size:1rem}.flow-list p{margin:0;color:var(--muted);font-size:.82rem}
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;padding:23px 0;border:0;color:var(--ink);background:transparent;text-align:left;font-weight:900;cursor:pointer}.faq-question span:last-child{color:var(--lapis);font-size:1.35rem;transition:.2s}.faq-item.is-open .faq-question span:last-child{transform:rotate(45deg)}.faq-answer{overflow:hidden;max-height:0;transition:max-height .3s}.faq-answer p{margin:0 0 23px;color:var(--muted)}.cta-panel{position:relative;overflow:hidden;display:grid;grid-template-columns:1fr .72fr;align-items:center;gap:55px;padding:64px;border-radius:34px;color:var(--white);background:linear-gradient(135deg,var(--navy),var(--navy2));box-shadow:var(--shadow)}.cta-panel:after{content:"";position:absolute;width:330px;height:330px;right:-145px;top:-185px;border-radius:50%;background:rgba(155,198,242,.15)}.cta-panel>div{position:relative;z-index:1}.cta-panel h2{margin:0 0 15px;font-size:clamp(2rem,4vw,3.2rem);line-height:1.24;letter-spacing:-.04em}.cta-panel p:last-child{margin:0;color:#c0d2e7}.cta-actions{display:grid;gap:13px}.phone-link{display:block;color:var(--white);text-align:center;text-decoration:none;font-weight:900}.phone-link small{display:block;color:#c0d2e7;font-size:.7rem;font-weight:500}.site-footer{margin-top:104px;padding:62px 0 28px;color:#c6d5e8;background:#0b1d37}.footer-grid{display:grid;grid-template-columns:1.4fr .65fr .65fr;gap:50px}.footer-grid img{width:min(290px,100%);padding:8px 12px;border-radius:12px;background:var(--white)}.footer-grid p,.footer-grid a{color:#98acc6;font-size:.78rem}.footer-grid h3{margin:0 0 13px;color:var(--white);font-size:.9rem}.footer-grid a{display:block;margin:7px 0;text-decoration:none}.copyright{margin:40px 0 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);color:#7890ad;font-size:.7rem}.mobile-cta{display:none}.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:960px){.nav-links{position:fixed;inset:77px 18px auto;display:none;flex-direction:column;align-items:stretch;padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--white);box-shadow:var(--shadow)}.nav-links.is-open{display:flex}.nav-toggle{display:grid}.hero{min-height:auto}.hero-grid,.fit-grid,.backup-grid,.flow-grid{grid-template-columns:1fr}.network-visual{max-width:680px;width:100%;margin-inline:auto}.cta-panel{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.container{width:min(calc(100% - 28px),var(--max))}.section{padding:76px 0}.brand img{width:min(220px,66vw)}.hero{padding:58px 0 70px}.hero h1{font-size:2.55rem}.hero-copy{font-size:1rem}.hero-actions .btn{width:100%}.hero-notes{gap:8px 15px}.network-visual{min-height:410px}.network-core{width:128px;height:128px}.network-core span{width:45px;height:45px}.node{width:125px;padding:12px}.node-a,.node-c{left:0}.node-b,.node-d{right:0}.proof-grid{grid-template-columns:1fr 1fr}.proof-grid>div:nth-child(2){border-right:0}.proof-grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.section-heading h2,.backup-grid h2{font-size:2rem}.service-grid,.case-grid,.footer-grid{grid-template-columns:1fr}.backup-points{grid-template-columns:1fr}.case-card--featured{grid-column:auto;display:block}.case-card--featured .case-no,.case-card--featured small,.case-card--featured h3,.case-card--featured dl{grid-column:auto;grid-row:auto}.case-card--featured h3{margin-top:12px}.cta-panel{padding:42px 24px}.cta-panel h2{font-size:2rem}.site-footer{padding-bottom:108px}.mobile-cta{position:fixed;z-index:60;left:11px;right:11px;bottom:11px;display:flex;gap:8px;padding:8px;border:1px solid rgba(255,255,255,.7);border-radius:18px;background:rgba(255,255,255,.94);box-shadow:var(--shadow);backdrop-filter:blur(14px)}.mobile-cta .btn{flex:1;min-height:46px;padding:10px 12px;font-size:.78rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
.site-footer .footer-grid img{height:auto;object-fit:contain}
.support-menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.support-menu-grid article{padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--white);box-shadow:var(--shadow-sm)}.support-menu-grid article>span{color:var(--lapis);font-size:.72rem;font-weight:900;letter-spacing:.12em}.support-menu-grid h3{margin:11px 0 8px;font-size:1.18rem}.support-menu-grid p{margin:0;color:var(--muted);font-size:.82rem}.support-menu-grid b{display:block;margin-top:16px;padding-top:13px;border-top:1px solid var(--line);font-size:.76rem}@media(max-width:960px){.support-menu-grid{grid-template-columns:1fr}}