:root{
 --navy:#102a43;--navy2:#173f5f;--blue:#1769aa;--blue2:#2f80c7;
 --sky:#eef7ff;--sky2:#f7fbff;--text:#25313c;--sub:#627181;
 --line:#dfe7ee;--green:#2f8f75;--orange:#e58b2a;
 --shadow:0 12px 34px rgba(22,55,82,.09)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);background:#fff;line-height:1.85;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif}
a{color:var(--blue)}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.header-inner{width:min(1160px,calc(100% - 34px));margin:auto;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy);white-space:nowrap}
.brand-mark{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),var(--blue2));color:#fff;font-weight:800;font-size:1.2rem;box-shadow:0 6px 16px rgba(23,105,170,.20)}
.brand-main{display:block;font-size:1.05rem;font-weight:800;line-height:1.15}
.brand-sub{display:block;margin-top:3px;color:#7a8997;font-size:.66rem}
.global-nav{display:flex;align-items:center;gap:5px}
.global-nav a{padding:9px 11px;color:#384a59;text-decoration:none;font-size:.9rem;font-weight:650;border-radius:8px}
.global-nav a:hover,.global-nav a.current{color:var(--blue);background:#eef6fc}
.global-nav .nav-contact{margin-left:7px;padding:10px 16px;color:#fff;background:var(--blue)}
.wrap{width:min(1080px,calc(100% - 34px));margin:auto}
.breadcrumb{padding:17px 0;color:#7c8995;font-size:.86rem}.breadcrumb a{color:#687785;text-decoration:none}

/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 84% 17%,rgba(255,198,96,.18),transparent 26%),radial-gradient(circle at 68% 88%,rgba(88,203,167,.17),transparent 30%),linear-gradient(135deg,#102a43 0%,#174f78 58%,#1769aa 100%)}
.hero-inner{width:min(1080px,calc(100% - 34px));margin:auto;padding:78px 0 74px;display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.hero-kicker{margin:0 0 12px;color:#abd9f3;font-size:.8rem;font-weight:800;letter-spacing:.15em}
.hero h1{margin:0 0 18px;font-size:clamp(2.4rem,5vw,4rem);line-height:1.18}
.hero h1 span{display:block;margin-top:10px;color:#d9effb;font-size:.42em;font-weight:650}
.hero .lead{margin:0;color:#eaf5fb;font-size:1.08rem}
.hero-years{padding:26px;border:1px solid rgba(255,255,255,.22);border-radius:20px;background:rgba(255,255,255,.10);box-shadow:0 24px 60px rgba(0,0,0,.15);backdrop-filter:blur(8px)}
.year-row{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.year-row:last-child{border-bottom:0}.year-row strong{font-size:1.6rem}.year-row span{color:#d7eaf4;font-size:.84rem;text-align:right}

/* common */
.section{padding:72px 0}.section.soft{background:var(--sky2)}.section.blue{background:linear-gradient(180deg,#f1f8fe,#fff)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:11px;color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:.14em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--blue2)}
.section-title{margin:0 0 18px;color:var(--navy);font-size:clamp(1.65rem,3vw,2.25rem);line-height:1.45}
.section-lead{max-width:860px;margin:0 0 34px;color:#586979;font-size:1.02rem}
p{margin:0 0 1.2em}
.statement{padding:38px;border-radius:20px;color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy2));box-shadow:var(--shadow)}
.statement h2{margin:0 0 14px;font-size:clamp(1.55rem,3vw,2.05rem)}.statement p{color:#dcebf4;margin-bottom:0}

/* timeline */
.timeline{position:relative;max-width:930px;margin:38px auto 0;padding-left:115px}
.timeline:before{content:"";position:absolute;left:82px;top:12px;bottom:12px;width:2px;background:linear-gradient(var(--blue2),#b9d7e9)}
.timeline-item{position:relative;margin-bottom:27px;padding:27px 29px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:0 7px 22px rgba(22,55,82,.05)}
.timeline-item:last-child{margin-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-41px;top:32px;width:14px;height:14px;border:4px solid #fff;border-radius:50%;background:var(--blue);box-shadow:0 0 0 2px var(--blue)}
.timeline-year{position:absolute;left:-115px;top:23px;width:65px;text-align:right;color:var(--blue);font-size:1.05rem;font-weight:850}
.timeline-item h3{margin:0 0 8px;color:var(--navy);font-size:1.17rem}
.timeline-item p{margin:0;color:#60717f;font-size:.93rem}
.timeline-item .fact{display:inline-block;margin-top:12px;padding:4px 9px;border-radius:999px;background:#edf6fc;color:var(--blue);font-size:.72rem;font-weight:800}
.timeline-item .phase{display:inline-block;margin-top:12px;padding:4px 9px;border-radius:999px;background:#f4f5f6;color:#657583;font-size:.72rem;font-weight:800}

/* pillars */
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pillar{padding:29px 25px;border:1px solid var(--line);border-radius:17px;background:#fff}
.pillar .icon{width:50px;height:50px;margin-bottom:15px;display:grid;place-items:center;border-radius:14px;background:#eaf5fd;font-size:1.45rem}
.pillar h3{margin:0 0 8px;color:var(--navy)}.pillar p{margin:0;color:#60717f;font-size:.91rem}

/* note */
.note{margin-top:31px;padding:25px 28px;border-left:4px solid var(--blue);border-radius:0 14px 14px 0;background:#eef7ff;color:#526675}
.note strong{color:var(--navy)}

/* CTA/footer */
.contact-cta{padding:70px 0;color:#fff;text-align:center;background:linear-gradient(135deg,#0f263a 0%,#153d5b 60%,#1769aa 120%)}
.contact-inner{width:min(900px,calc(100% - 34px));margin:auto}.contact-label{margin:0 0 8px;color:#9fd8f5;font-size:.78rem;font-weight:800;letter-spacing:.14em}
.contact-cta h2{margin:0 0 15px;font-size:clamp(1.8rem,4vw,2.55rem)}.contact-cta p{color:#d9e9f2}
.button-row{margin-top:26px;display:flex;justify-content:center;flex-wrap:wrap;gap:12px}.btn{display:inline-block;padding:12px 24px;border-radius:9px;text-decoration:none;font-weight:800}
.btn-primary{color:var(--navy);background:#fff}.btn-secondary{color:#fff;border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.07)}
.site-footer{padding:32px 0;color:#82909e;background:#0b1d2c}.footer-inner{width:min(1080px,calc(100% - 34px));margin:auto;display:flex;justify-content:space-between;align-items:center;gap:25px}
.footer-brand{margin:0;color:#e3edf4;font-weight:750}.footer-sub{margin:3px 0 0;font-size:.76rem}.footer-links{display:flex;flex-wrap:wrap;gap:18px}.footer-links a{color:#acbac5;text-decoration:none;font-size:.85rem}

@media(max-width:920px){
 .global-nav a:not(.nav-contact){display:none}.hero-inner{grid-template-columns:1fr}.pillar-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
 .header-inner{min-height:66px}.brand-sub{display:none}.brand-mark{width:38px;height:38px}.global-nav .nav-contact{padding:9px 12px;font-size:.82rem}
 .hero-inner{padding:50px 0 54px}.section{padding:52px 0}.pillar-grid{grid-template-columns:1fr}
 .timeline{padding-left:42px}.timeline:before{left:12px}.timeline-item:before{left:-37px}.timeline-year{position:static;width:auto;text-align:left;margin-bottom:7px;font-size:1rem}
 .statement{padding:29px 23px}.footer-inner{display:block;text-align:center}.footer-links{justify-content:center;margin-top:17px}
}