:root{
  --blue:#0057c8;
  --navy:#081f3f;
  --teal:#00a7a7;
  --green:#16a34a;
  --line:#e8eef7;
  --shadow:0 14px 34px rgba(8,31,63,.12);
}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--navy);font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Yu Gothic",YuGothic,"Hiragino Sans","Noto Sans JP",Arial,sans-serif;letter-spacing:.04em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.sp-only{display:inline}
.phone-frame{min-height:100vh;background:#fff}

.lp-header{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(232,238,247,.9);position:relative;z-index:5}
.logo{display:inline-flex;align-items:center;height:30px}.logo img{width:auto;height:22px}.site-top-link{color:var(--navy);font-size:12px;line-height:1;font-weight:900;white-space:nowrap}

.hero{position:relative;overflow:hidden;min-height:360px;background:
linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.92) 34%, rgba(255,255,255,.55) 58%, rgba(255,255,255,.10) 100%),
url('../assets/hero-about.webp') center right/cover no-repeat;}
.hero::after{content:"";position:absolute;inset:auto -70px -70px auto;width:180px;height:180px;border-radius:999px;background:rgba(0,87,200,.06)}
.hero-copy{position:relative;z-index:2;padding:28px 18px 30px;width:min(100%,340px)}
.eyebrow{margin:0 0 10px;color:var(--teal);font-size:11px;line-height:1.5;font-weight:900;letter-spacing:.08em}.eyebrow:after{content:"";display:block;width:38px;height:2px;margin-top:8px;background:var(--teal);border-radius:999px}
.hero h1{margin:0 0 12px;color:var(--navy);font-size:31px;line-height:1.28;font-weight:900;letter-spacing:.02em}
.lead{margin:0 0 18px;color:var(--navy);font-size:12.5px;line-height:1.8;font-weight:900}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.main-cta,.white-cta,.ghost-cta{display:inline-flex;align-items:center;justify-content:center;gap:14px;border-radius:999px;font-weight:900}
.main-cta{width:226px;height:42px;background:var(--green);color:#fff;font-size:13px;box-shadow:0 12px 26px rgba(22,163,74,.28)}
.main-cta::after,.white-cta::after,.ghost-cta::after{content:"";width:8px;height:8px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);margin-left:2px}

.value-section,.service-section,.box12-section,.placeholder-section{padding:34px 18px 0;background:#fff}
.section-title{display:block;margin:0 0 18px;color:var(--navy);text-align:center;font-size:21px;line-height:1.45;font-weight:900;letter-spacing:.08em}
.section-title:after{content:"";display:block;width:56px;height:2px;margin:9px auto 0;background:var(--teal);border-radius:999px}

.value-grid{display:grid;grid-template-columns:1fr;gap:12px}
.value-card{padding:18px 16px;border:1px solid rgba(232,238,247,.95);border-radius:16px;background:#fff;box-shadow:0 10px 24px rgba(8,31,63,.07)}
.value-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:12px;border-radius:999px;background:#edf7ff;color:var(--blue)}
.value-card h3{margin:0 0 6px;color:var(--navy);font-size:15px;line-height:1.5;font-weight:900}
.value-card p{margin:0;color:#3d5066;font-size:12px;line-height:1.8;font-weight:800}

.service-grid{display:grid;grid-template-columns:1fr;gap:12px}
.service-card{display:block;padding:18px 16px 17px;border:1px solid rgba(232,238,247,.95);border-radius:16px;background:#fff;box-shadow:0 10px 24px rgba(8,31,63,.07);transition:transform .2s ease, box-shadow .2s ease}
.service-card:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(8,31,63,.1)}
.service-pill{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:28px;padding:0 11px;margin-bottom:12px;border-radius:999px;background:#eef6ff;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.08em}
.service-card h3{margin:0 0 6px;color:var(--navy);font-size:18px;line-height:1.4;font-weight:900}
.service-card p{margin:0;color:#3d5066;font-size:12px;line-height:1.8;font-weight:800}

.placeholder-box{padding:22px 18px;border:1.5px dashed #c8d8ea;border-radius:18px;background:linear-gradient(180deg,#f8fcff 0%,#fff 100%);text-align:left}
.placeholder-label{display:inline-flex;align-items:center;min-height:28px;margin:0 0 10px;padding:0 12px;border-radius:999px;background:#eef6ff;color:var(--blue);font-size:12px;font-weight:900}
.placeholder-box h3{margin:0 0 8px;color:var(--navy);font-size:18px;line-height:1.5;font-weight:900}
.placeholder-box p{margin:0;color:#3d5066;font-size:12px;line-height:1.8;font-weight:800}
.placeholder-actions{margin-top:18px}
.ghost-cta{width:min(100%,220px);height:42px;border:1.5px solid rgba(0,87,200,.22);background:#fff;color:var(--blue);font-size:13px;box-shadow:0 10px 18px rgba(8,31,63,.05)}

.bottom-cta{margin-top:36px;padding:34px 20px 36px;text-align:center;color:#fff;background:linear-gradient(135deg,#0057c8 0%,#00a7c8 100%)}
.bottom-cta p{margin:0 0 18px;font-size:22px;line-height:1.65;font-weight:900}
.white-cta{width:min(100%,300px);height:52px;background:#fff;color:var(--blue);font-size:14px}

/* common footer */
.common-footer{padding:32px 22px 34px;background:#f8fbff;border-top:1px solid rgba(232,238,247,.9)}
.common-footer .footer-inner{width:min(100%,1120px);margin:0 auto}
.common-footer .footer-brand{display:flex;justify-content:center;margin-bottom:24px}.common-footer .footer-brand img{width:auto;height:24px}
.common-footer .footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:26px}
.common-footer .footer-group{display:grid;gap:10px;align-content:start}.common-footer .footer-heading{margin:0 0 2px;color:var(--navy);font-size:13px;line-height:1.5;font-weight:900;letter-spacing:.08em}
.common-footer .footer-group a{color:#516173;font-size:12px;line-height:1.5;font-weight:800;letter-spacing:.04em}
.common-footer .footer-cta{display:flex;align-items:center;justify-content:center;gap:12px;width:min(100%,300px);height:48px;margin:0 auto 22px;border-radius:999px;background:var(--green);color:#fff;font-size:14px;font-weight:900;box-shadow:0 12px 26px rgba(22,163,74,.24)}
.common-footer .footer-cta::after{content:"";width:8px;height:8px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg)}
.common-footer .footer-copy{margin:0;color:#7b8794;text-align:center;font-size:10px;line-height:1.6;font-weight:700}

@media (min-width: 768px){
  .sp-only{display:none}
  .hero{min-height:430px;background:
    linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.95) 34%, rgba(255,255,255,.55) 58%, rgba(255,255,255,.08) 100%),
    url('../assets/hero-about.webp') center right/cover no-repeat;}
  .hero-copy{padding:54px 32px 58px;width:min(100%,530px)}
  .hero h1{font-size:42px}
  .lead{width:min(100%,430px);font-size:14px}
  .main-cta{width:250px;height:48px;font-size:14px}
  .value-section,.service-section,.box12-section,.placeholder-section{padding:54px 28px 0}
  .section-title{font-size:30px;margin-bottom:26px}
  .value-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .value-card,.service-card{padding:24px 22px}
  .value-icon{width:52px;height:52px;margin-bottom:14px}
  .value-card h3{font-size:18px}
  .value-card p,.service-card p,.placeholder-box p{font-size:13px}
  .service-card h3{font-size:22px}
  .placeholder-box{padding:30px 28px}
  .placeholder-box h3{font-size:24px}
  .bottom-cta{margin-top:54px;padding:42px 28px 46px}
  .bottom-cta p{font-size:30px;line-height:1.55}
  .white-cta{width:320px;height:56px;font-size:15px}
  .common-footer{padding:42px 28px 44px}
  .common-footer .footer-inner{display:grid;grid-template-columns:180px 1fr 300px;grid-template-areas:"brand nav cta" "copy copy copy";align-items:start;column-gap:42px;row-gap:26px}
  .common-footer .footer-brand{grid-area:brand;justify-content:flex-start;margin-bottom:0;padding-top:2px}
  .common-footer .footer-brand img{height:26px}
  .common-footer .footer-nav{grid-area:nav;grid-template-columns:repeat(2,minmax(150px,1fr));gap:34px;margin-bottom:0}
  .common-footer .footer-heading{font-size:14px}.common-footer .footer-group a{font-size:13px}
  .common-footer .footer-cta{grid-area:cta;width:300px;height:50px;margin:0;justify-self:end;font-size:14px}
  .common-footer .footer-copy{grid-area:copy;text-align:center}
}

/* service card link cue */
.service-link-text{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  color:var(--blue);
  font-size:12px;
  line-height:1.5;
  font-weight:900;
  letter-spacing:.06em;
}
.service-link-text::after{
  content:"";
  width:7px;
  height:7px;
  border-top:2px solid currentColor;
  border-right:2px solid currentColor;
  transform:rotate(45deg);
}
@media (min-width: 768px){
  .service-link-text{
    margin-top:16px;
    font-size:13px;
  }
}


.box12-layout{display:grid;grid-template-columns:1fr;gap:16px;align-items:start}
.box12-copy{display:grid;gap:14px}
.box12-lead{margin:0;color:#3d5066;font-size:12.5px;line-height:1.9;font-weight:800}
.box12-lead strong{color:var(--navy)}
.box12-points{display:grid;grid-template-columns:1fr;gap:12px}
.box12-point{padding:18px 16px;border:1px solid rgba(232,238,247,.95);border-radius:16px;background:#fff;box-shadow:0 10px 24px rgba(8,31,63,.07)}
.box12-point h3{margin:0 0 6px;color:var(--navy);font-size:15px;line-height:1.6;font-weight:900}
.box12-point p{margin:0;color:#3d5066;font-size:12px;line-height:1.8;font-weight:800}
.box12-figure{margin:0;padding:18px;border:1px solid rgba(232,238,247,.95);border-radius:18px;background:linear-gradient(180deg,#fff 0%,#fbfdff 100%);box-shadow:0 10px 24px rgba(8,31,63,.07)}
.box12-figure img{width:100%;border-radius:12px}
.box12-figure figcaption{margin-top:10px;color:#6b7a8c;text-align:center;font-size:11px;line-height:1.6;font-weight:800}

@media (min-width: 768px){
  .box12-layout{grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:22px}
  .box12-copy{gap:18px}
  .box12-lead{font-size:13.5px}
  .box12-points{gap:14px}
  .box12-point{padding:22px 20px}
  .box12-point h3{font-size:18px}
  .box12-point p{font-size:13px}
  .box12-figure{padding:22px;position:sticky;top:20px}
  .box12-figure figcaption{font-size:12px}
}

/* ===== 12 boxes balance fix ===== */
.box12-section {
  width: min(100%, 1120px);
  margin: 0 auto;
}

.box12-layout {
  max-width: 100%;
}

.box12-figure img {
  max-height: 420px;
  object-fit: contain;
}

@media (min-width: 768px) {
  .box12-layout {
    grid-template-columns: minmax(0, 0.95fr) 420px;
    gap: 28px;
    align-items: center;
  }

  .box12-points {
    max-width: 620px;
  }

  .box12-point {
    padding: 20px 22px;
  }

  .box12-figure {
    align-self: center;
  }
}

@media (min-width: 1100px) {
  .box12-layout {
    grid-template-columns: minmax(0, 1fr) 400px;
  }
}

/* ===== 12 boxes PC layout fix ===== */
@media (min-width: 900px) {
  .box12-layout {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 28px;
    align-items: center;
  }

  .box12-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .box12-point {
    padding: 20px 18px;
  }

  .box12-figure {
    align-self: center;
    padding: 18px;
  }

  .box12-figure img {
    max-height: 340px;
    object-fit: contain;
  }
}

.achievement-box {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 14px;
  background: #f8fbff;
  border: 1px solid rgba(0, 87, 200, .14);
}

.achievement-label {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  margin: 0 0 8px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eef6ff;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.achievement-box p:last-child {
  margin: 0;
  color: #3d5066;
  font-size: 12px;
  line-height: 1.8;
  font-weight: 800;
}

@media (min-width: 768px) {
  .achievement-box {
    margin-top: 22px;
    padding: 18px 20px;
  }

  .achievement-box p:last-child {
    font-size: 13px;
  }
}

.ghost-cta {
  width: auto;
  max-width: 100%;
  min-height: 42px;
  height: auto;
  padding: 10px 20px;
  white-space: normal;
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 767px) {
  .ghost-cta {
    width: 100%;
  }
}

.placeholder-box p a {
  color: var(--blue);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}