:root{
  --bg:#ffffff;
  --bg-soft:#f4f7fb;
  --bg-deep:#0f2138;
  --text:#152033;
  --muted:#607086;
  --line:#d8e1ec;
  --line-strong:#bfccdc;
  --main:#143050;
  --main-2:#1f4f7d;
  --main-soft:#eaf1f8;
  --accent:#2b6aa1;
  --white:#ffffff;
  --max-width:1160px;
  --narrow:840px;
  --radius:22px;
  --radius-sm:16px;
  --shadow:0 18px 48px rgba(20,48,80,.08);
  --shadow-soft:0 10px 28px rgba(20,48,80,.05);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#fff 0%,#fbfdff 100%);
  line-height:1.75;
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.container{width:min(var(--max-width),calc(100% - 40px));margin:0 auto;}
.narrow{width:min(var(--narrow),calc(100% - 40px));margin:0 auto;}

.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(216,225,236,.9);
}
.header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:flex;align-items:center;gap:14px;min-width:0;}
.logo-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#fff 0%,#edf4fb 100%);
  border:1px solid var(--line);box-shadow:var(--shadow-soft);
  font-weight:800;color:var(--main);letter-spacing:.06em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:1.08rem;letter-spacing:.03em;}
.logo-text small{margin-top:4px;font-size:.72rem;color:var(--muted);letter-spacing:.08em;}
.site-nav{display:flex;align-items:center;}

body.menu-open{overflow:hidden;}
.menu-toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  width:48px;height:48px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.92);box-shadow:var(--shadow-soft);cursor:pointer;
}
.menu-toggle span{
  width:20px;height:2px;border-radius:999px;background:var(--main);transition:.24s ease;
}
.menu-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-active span:nth-child(2){opacity:0;}
.menu-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.photo-card-main img{object-position:66% center;}
.feature-photo-visual{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:100%;
  padding:28px;overflow:hidden;border-radius:var(--radius);
  background:
    linear-gradient(180deg, rgba(9,27,48,.08) 0%, rgba(9,27,48,.78) 100%),
    radial-gradient(420px 220px at 15% 18%, rgba(255,255,255,.28), transparent 70%),
    linear-gradient(135deg, #7ba5d1 0%, #24466d 55%, #0f2138 100%);
}
.feature-photo-visual::before,
.feature-photo-visual::after{
  content:"";position:absolute;border-radius:28px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);backdrop-filter:blur(4px);
}
.feature-photo-visual::before{width:180px;height:180px;top:26px;right:32px;transform:rotate(18deg);}
.feature-photo-visual::after{width:120px;height:120px;top:120px;right:120px;transform:rotate(-16deg);}
.visual-badge{
  position:relative;z-index:1;display:inline-flex;align-self:flex-start;margin-bottom:16px;
  padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
}
.visual-copy{position:relative;z-index:1;max-width:420px;color:#fff;}
.visual-copy strong{display:block;margin-bottom:10px;font-size:1.65rem;line-height:1.2;letter-spacing:.03em;}
.visual-copy p{margin:0;color:rgba(255,255,255,.82);}

.nav-list{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0;flex-wrap:wrap;}
.nav-list a{font-size:.94rem;color:var(--muted);transition:.2s ease;}
.nav-list a:hover{color:var(--main);}
.nav-list .nav-cta{
  padding:10px 16px;border-radius:999px;background:var(--main);color:#fff;
  box-shadow:0 10px 22px rgba(20,48,80,.16);
}
.nav-list .nav-cta:hover{color:#fff;opacity:.94;}

.hero{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:min(90vh,860px);display:flex;align-items:center;
  padding:110px 0 96px;
  background:
    linear-gradient(90deg, rgba(255,255,255,.90) 0%, rgba(255,255,255,.78) 38%, rgba(255,255,255,.44) 68%, rgba(255,255,255,.28) 100%),
    linear-gradient(180deg, rgba(244,249,255,.22) 0%, rgba(255,255,255,.18) 100%),
    url("images/hero.webp") center center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(900px 500px at 18% 20%, rgba(255,255,255,.55), transparent 60%);
}
.hero::after{
  content:"";position:absolute;inset:auto auto 0 0;width:100%;height:180px;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.95) 78%,#fff 100%);
}
.hero-inner{display:grid;grid-template-columns:minmax(0,700px) 1fr;gap:48px;align-items:end;}
.hero-copy-wrap{max-width:700px;}
.eyebrow,.section-label{
  display:inline-flex;align-items:center;gap:10px;margin:0 0 18px;
  color:var(--main);font-size:.8rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
}
.eyebrow::before,.section-label::before{
  content:"";width:36px;height:1px;background:rgba(20,48,80,.4);
}
.hero h1{
  margin:0;font-size:clamp(2.2rem,5vw,4.35rem);line-height:1.16;letter-spacing:.01em;
}
.hero-copy{max-width:660px;margin:24px 0 0;font-size:1.07rem;color:#405066;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-note{
  justify-self:end;align-self:end;max-width:300px;padding:22px 22px 20px;
  background:rgba(255,255,255,.78);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.65);border-radius:20px;box-shadow:var(--shadow);
}
.hero-note strong{display:block;margin-bottom:8px;color:var(--main);font-size:.92rem;letter-spacing:.06em;text-transform:uppercase;}
.hero-note p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.7;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 22px;
  border-radius:999px;border:1px solid transparent;font-weight:800;font-size:.95rem;transition:.2s ease;
}
.btn-primary{background:var(--main);color:#fff;box-shadow:0 12px 28px rgba(20,48,80,.16);}
.btn-primary:hover{transform:translateY(-1px);opacity:.95;}
.btn-secondary{background:rgba(255,255,255,.9);color:var(--main);border-color:rgba(20,48,80,.14);}
.btn-secondary:hover{background:#fff;}

.section{padding:92px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,#f6f9fd 0%,#f3f7fb 100%);}
.section-heading{margin-bottom:34px;}
.section-heading h2{margin:0;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.28;}
.section-heading p{margin:0;}
.lead{margin:0;color:var(--muted);font-size:1.06rem;}

.about-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:34px;align-items:center;}
.about-card,.photo-card,.company-box,.contact-box,.info-panel,.card{
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
}
.about-card{padding:34px;}
.about-points{margin:24px 0 0;padding:0;list-style:none;display:grid;gap:14px;}
.about-points li{
  display:flex;gap:12px;align-items:flex-start;color:var(--text);
}
.about-points li::before{
  content:"";flex:0 0 10px;height:10px;margin-top:.55em;border-radius:999px;background:linear-gradient(135deg,var(--main),var(--accent));
}
.photo-card{overflow:hidden;}
.photo-card img{width:100%;height:100%;aspect-ratio:4/5;object-fit:cover;}
.photo-card figcaption{padding:16px 18px;color:var(--muted);font-size:.92rem;background:linear-gradient(180deg,#fff 0%,#f7fafc 100%);}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{padding:30px 26px;min-height:100%;position:relative;overflow:hidden;}
.card::after{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--main),#8ab0d4);
}
.card-number{margin:0 0 18px;color:var(--main);font-weight:800;font-size:.9rem;letter-spacing:.16em;}
.card h3,.strength-item h3,.panel-item h3{margin:0 0 12px;font-size:1.16rem;line-height:1.45;}
.card p:last-child,.strength-item p,.panel-item p,.company-table dd,.legal-body p,.legal-body li{margin:0;color:var(--muted);}

.info-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;margin-top:34px;}
.info-panel{padding:30px;}
.panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.panel-item{padding:18px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fff 0%,#f8fbfe 100%);}
.feature-photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:100%;}
.feature-photo img{width:100%;height:100%;min-height:320px;object-fit:cover;filter:saturate(.95) contrast(1.02);}

.strength-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.strength-item{
  padding:24px 0 0;border-top:2px solid var(--main);
}

.company-box{overflow:hidden;}
.company-table .row{display:grid;grid-template-columns:190px 1fr;border-bottom:1px solid var(--line);}
.company-table .row:last-child{border-bottom:none;}
.company-table dt,.company-table dd{margin:0;padding:20px 24px;}
.company-table dt{background:#fbfcff;font-weight:800;color:var(--text);}
.company-table dd a{color:var(--main);word-break:break-all;}

.contact-section{padding-top:100px;padding-bottom:100px;}
.contact-box{text-align:center;padding:46px 28px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%);}
.contact-box h2{margin:0 0 14px;font-size:clamp(1.8rem,3vw,2.35rem);}
.contact-box p{margin:0 0 24px;color:var(--muted);}
.contact-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

.site-footer{border-top:1px solid var(--line);background:#fff;}
.footer-inner{padding:28px 0 24px;display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start;}
.footer-brand{margin:0 0 8px;font-weight:800;color:var(--main);font-size:1.05rem;}
.footer-text,.footer-copy,.footer-legal a{margin:0;color:var(--muted);font-size:.92rem;}
.footer-right{display:flex;flex-direction:column;align-items:flex-end;gap:14px;}
.footer-legal{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px 18px;}
.footer-legal a:hover{color:var(--main);}

/* legal */
.page-hero{
  padding:84px 0 40px;
  background:linear-gradient(180deg,#f6f9fd 0%,#ffffff 100%);
  border-bottom:1px solid var(--line);
}
.page-hero h1{margin:0;font-size:clamp(2rem,4vw,3.2rem);line-height:1.18;}
.page-hero p{margin:16px 0 0;color:var(--muted);}
.breadcrumb{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 18px;color:var(--muted);font-size:.92rem;}
.breadcrumb a:hover{color:var(--main);}
.legal-section{padding:54px 0 92px;}
.legal-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px;
}
.legal-body section + section{margin-top:30px;padding-top:30px;border-top:1px solid var(--line);}
.legal-body h2{margin:0 0 14px;font-size:1.25rem;line-height:1.45;}
.legal-body ul{margin:10px 0 0;padding-left:1.2em;}
.legal-body li + li{margin-top:8px;}
.legal-meta{margin-top:28px;font-size:.92rem;color:var(--muted);}

@media (max-width: 1024px){
  .hero-inner,.about-layout,.info-strip,.card-grid,.strength-list,.footer-inner{grid-template-columns:1fr;}
  .hero-note{justify-self:start;max-width:420px;}
  .footer-right{align-items:flex-start;}
  .footer-legal{justify-content:flex-start;}
}
@media (max-width: 860px){
  .header-inner{min-height:72px;padding:12px 0;align-items:center;flex-direction:row;position:relative;}
  .menu-toggle{display:flex;}
  .site-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;display:none;width:100%;
    padding:14px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.96);
    box-shadow:0 20px 40px rgba(15,33,56,.12);backdrop-filter:blur(14px);
  }
  .site-nav.is-open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:10px;}
  .nav-list a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:14px;background:#f7fafd;color:var(--text);}
  .nav-list .nav-cta{justify-content:center;margin-top:4px;}
  .panel-grid{grid-template-columns:1fr;}
}
@media (max-width: 720px){
  .container,.narrow{width:min(100% - 28px,var(--max-width));}
  .hero{min-height:auto;padding:56px 0 66px;background-position:64% center;}
  .hero h1{letter-spacing:0;}
  .hero-copy br,.contact-box p br{display:none;}
  .hero-actions,.contact-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .section{padding:68px 0;}
  .about-card,.info-panel,.contact-box,.legal-body,.feature-photo-visual{padding:24px;}
  .company-table .row{grid-template-columns:1fr;}
  .company-table dt{padding-bottom:8px;}
  .company-table dd{padding-top:0;}
  .photo-card img{aspect-ratio:16/10;}
  .feature-photo-visual{min-height:280px;}
  .feature-photo-visual::before{width:120px;height:120px;right:20px;top:24px;}
  .feature-photo-visual::after{width:86px;height:86px;right:84px;top:100px;}
  .visual-copy strong{font-size:1.35rem;}
}
@media (max-width: 520px){
  .logo-text small{display:none;}
  .card,.contact-box,.legal-body,.about-card,.info-panel,.company-box{border-radius:18px;}
}