:root{
    --navy:#102a43;
    --navy2:#173f5f;
    --blue:#1769aa;
    --blue2:#2f80c7;
    --sky:#eef7ff;
    --sky2:#f7fbff;
    --green:#2f8f75;
    --orange:#e58b2a;
    --text:#25313c;
    --sub:#627181;
    --line:#dfe7ee;
    --white:#ffffff;
    --shadow:0 12px 34px rgba(22,55,82,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    color:var(--text);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",
                "Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
    line-height:1.85;
    background:#fff;
}
a{color:var(--blue)}
img{max-width:100%}

/* ---------- header ---------- */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid rgba(223,231,238,.9);
    backdrop-filter:blur(8px);
}
.header-inner{
    width:min(1160px,calc(100% - 34px));
    margin:0 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;
    letter-spacing:.02em;
    line-height:1.15;
}
.brand-sub{
    display:block;
    margin-top:3px;
    color:#7a8997;
    font-size:.66rem;
    letter-spacing:.04em;
}
.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);
}
.global-nav .nav-contact:hover{
    color:#fff;
    background:#0f578e;
}

/* ---------- common ---------- */
.wrap{
    width:min(1080px,calc(100% - 34px));
    margin:0 auto;
}
.breadcrumb{
    padding:17px 0;
    color:#7c8995;
    font-size:.86rem;
}
.breadcrumb a{
    color:#687785;
    text-decoration:none;
}
.section{
    padding:76px 0;
}
.section.soft{
    background:var(--sky2);
}
.section.blue-soft{
    background:linear-gradient(180deg,#f3f9ff 0%,#ffffff 100%);
}
.eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-bottom:12px;
    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 20px;
    color:var(--navy);
    font-size:clamp(1.65rem,3vw,2.25rem);
    line-height:1.45;
    letter-spacing:.01em;
}
.section-lead{
    max-width:820px;
    margin:0 0 34px;
    color:#546575;
    font-size:1.03rem;
}
p{margin:0 0 1.25em}
ul{padding-left:1.4em}

/* ---------- hero ---------- */
.hero{
    position:relative;
    overflow:hidden;
    color:#fff;
    background:
        radial-gradient(circle at 88% 15%,rgba(255,255,255,.15),transparent 28%),
        radial-gradient(circle at 72% 82%,rgba(70,180,230,.18),transparent 26%),
        linear-gradient(135deg,#102a43 0%,#174f78 55%,#1769aa 100%);
}
.hero:after{
    content:"";
    position:absolute;
    right:-100px;
    bottom:-140px;
    width:410px;
    height:410px;
    border:1px solid rgba(255,255,255,.15);
    border-radius:50%;
}
.hero-inner{
    position:relative;
    z-index:1;
    width:min(1080px,calc(100% - 34px));
    margin:0 auto;
    padding:82px 0 78px;
    display:grid;
    grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);
    gap:60px;
    align-items:center;
}
.hero-kicker{
    margin:0 0 13px;
    color:#a9d8f5;
    font-size:.82rem;
    font-weight:800;
    letter-spacing:.16em;
}
.hero h1{
    margin:0 0 20px;
    font-size:clamp(2.4rem,5.5vw,4rem);
    line-height:1.2;
    letter-spacing:.01em;
}
.hero h1 span{
    display:block;
    margin-top:8px;
    color:#d8efff;
    font-size:.44em;
    font-weight:650;
    letter-spacing:.05em;
}
.hero .lead{
    max-width:760px;
    margin:0;
    color:#eaf5fb;
    font-size:1.08rem;
}
.hero-points{
    display:flex;
    flex-wrap:wrap;
    gap:9px;
    margin-top:28px;
}
.hero-points span{
    padding:7px 12px;
    border:1px solid rgba(255,255,255,.28);
    border-radius:999px;
    color:#fff;
    background:rgba(255,255,255,.08);
    font-size:.82rem;
}
.hero-card{
    padding:29px 27px;
    border:1px solid rgba(255,255,255,.24);
    border-radius:20px;
    background:rgba(255,255,255,.10);
    box-shadow:0 24px 60px rgba(0,0,0,.16);
    backdrop-filter:blur(8px);
}
.hero-card .big{
    margin:0;
    font-size:3.35rem;
    font-weight:800;
    line-height:1;
}
.hero-card .big small{
    font-size:1rem;
    font-weight:650;
}
.hero-card .caption{
    margin:12px 0 0;
    color:#dbeef9;
    font-size:.92rem;
}
.hero-card hr{
    border:0;
    border-top:1px solid rgba(255,255,255,.18);
    margin:22px 0;
}
.hero-card strong{
    display:block;
    margin-bottom:5px;
    font-size:1.05rem;
}

/* ---------- cards ---------- */
.intro-grid{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:34px;
    align-items:start;
}
.message-box{
    padding:30px;
    border-radius:16px;
    background:#fff;
    box-shadow:var(--shadow);
    border:1px solid #e7eef4;
}
.message-box strong{
    color:var(--navy);
}
.timeline{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px;
    margin-top:34px;
}
.timeline-item{
    position:relative;
    padding:25px 22px;
    border-radius:14px;
    background:#fff;
    border:1px solid var(--line);
}
.timeline-year{
    display:inline-block;
    margin-bottom:10px;
    color:var(--blue);
    font-size:1.35rem;
    font-weight:800;
}
.feature-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:19px;
}
.feature-card{
    min-height:210px;
    padding:27px 24px;
    border:1px solid var(--line);
    border-radius:16px;
    background:#fff;
    box-shadow:0 7px 22px rgba(22,55,82,.055);
    transition:transform .18s ease,box-shadow .18s ease;
}
.feature-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow);
}
.feature-icon{
    width:49px;
    height:49px;
    margin-bottom:17px;
    display:grid;
    place-items:center;
    border-radius:13px;
    background:#eaf5fd;
    font-size:1.45rem;
}
.feature-card:nth-child(2) .feature-icon{background:#eef8ef}
.feature-card:nth-child(3) .feature-icon{background:#fff5e8}
.feature-card:nth-child(4) .feature-icon{background:#f0efff}
.feature-card:nth-child(5) .feature-icon{background:#eef8f7}
.feature-card:nth-child(6) .feature-icon{background:#fff0f4}
.feature-card h3{
    margin:0 0 9px;
    color:var(--navy);
    font-size:1.12rem;
}
.feature-card p{
    margin:0;
    color:#5e6d7b;
    font-size:.94rem;
}
.combo-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}
.combo-card{
    padding:26px;
    border-radius:16px;
    background:#fff;
    border:1px solid var(--line);
}
.combo-card .tag{
    display:inline-block;
    margin-bottom:13px;
    padding:4px 9px;
    border-radius:999px;
    background:#edf6fc;
    color:var(--blue);
    font-size:.76rem;
    font-weight:800;
}
.combo-card h3{
    margin:0 0 9px;
    color:var(--navy);
    font-size:1.06rem;
}
.combo-card .formula{
    margin:0;
    color:#4f6070;
    font-weight:650;
}
.two-col{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:34px;
}
.check-list{
    list-style:none;
    padding:0;
    margin:20px 0 0;
}
.check-list li{
    position:relative;
    padding:10px 0 10px 34px;
    border-bottom:1px dashed #dce5ec;
}
.check-list li:before{
    content:"✓";
    position:absolute;
    left:2px;
    top:10px;
    width:22px;
    height:22px;
    display:grid;
    place-items:center;
    border-radius:50%;
    color:#fff;
    background:var(--blue);
    font-size:.76rem;
    font-weight:800;
}

/* ---------- statement ---------- */
.statement{
    padding:42px;
    border-radius:20px;
    color:#fff;
    background:linear-gradient(135deg,var(--navy),var(--navy2));
    box-shadow:var(--shadow);
}
.statement .eyebrow{
    color:#9ed5f5;
}
.statement .eyebrow:before{background:#9ed5f5}
.statement h2{
    margin:0 0 16px;
    color:#fff;
    font-size:clamp(1.6rem,3vw,2.15rem);
}
.statement p{color:#dcebf4}
.statement p:last-child{margin-bottom:0}

/* ---------- FAQ ---------- */
.faq{
    max-width:920px;
    margin:0 auto;
}
.faq-item{
    padding:23px 0;
    border-bottom:1px solid var(--line);
}
.faq-item:first-child{
    border-top:1px solid var(--line);
}
.faq-q{
    position:relative;
    margin:0 0 9px;
    padding-left:39px;
    color:var(--navy);
    font-size:1.08rem;
    font-weight:800;
}
.faq-q:before{
    content:"Q";
    position:absolute;
    left:0;
    top:-1px;
    width:28px;
    height:28px;
    display:grid;
    place-items:center;
    border-radius:8px;
    color:#fff;
    background:var(--blue);
    font-size:.82rem;
}
.faq-a{
    margin:0;
    padding-left:39px;
    color:#5c6d7c;
}

/* ---------- CTA ---------- */
.contact-cta{
    position:relative;
    overflow:hidden;
    padding:74px 0;
    color:#fff;
    background:linear-gradient(135deg,#0f263a 0%,#153d5b 60%,#1769aa 120%);
}
.contact-cta:after{
    content:"";
    position:absolute;
    width:380px;
    height:380px;
    right:-130px;
    top:-180px;
    border-radius:50%;
    background:rgba(255,255,255,.055);
}
.contact-inner{
    position:relative;
    z-index:1;
    width:min(900px,calc(100% - 34px));
    margin:0 auto;
    text-align:center;
}
.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,2.65rem);
}
.contact-cta p{
    color:#d9e9f2;
}
.button-row{
    margin-top:27px;
    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);
}

/* ---------- footer ---------- */
.site-footer{
    padding:32px 0;
    color:#82909e;
    background:#0b1d2c;
}
.footer-inner{
    width:min(1080px,calc(100% - 34px));
    margin:0 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;
}

/* ---------- responsive ---------- */
@media(max-width:920px){
    .global-nav a:not(.nav-contact){display:none}
    .hero-inner{
        grid-template-columns:1fr;
        gap:32px;
        padding:64px 0;
    }
    .hero-card{max-width:480px}
    .feature-grid{grid-template-columns:repeat(2,1fr)}
    .timeline{grid-template-columns:1fr}
    .combo-grid{grid-template-columns: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}
    .section{padding:54px 0}
    .hero-inner{padding:52px 0 55px}
    .intro-grid,
    .two-col,
    .feature-grid{grid-template-columns:1fr}
    .statement{padding:30px 24px}
    .footer-inner{
        display:block;
        text-align:center;
    }
    .footer-links{
        justify-content:center;
        margin-top:17px;
    }
}