:root{--navy:#0b376f;--blue:#0868c9;--ink:#18222f;--muted:#52606d;--line:#dce6f1;--pale:#f4f8fc;--warm:#fbf8f2}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Yu Gothic",YuGothic,Meiryo,sans-serif;color:var(--ink);line-height:1.75;background:#fff}img{max-width:100%;display:block}a{color:inherit}.container{width:min(1180px,92%);margin:auto}.narrow{width:min(820px,92%)}.section{padding:72px 0}.section-label{margin:0 0 8px;color:var(--blue);font-weight:800;letter-spacing:.12em;font-size:.78rem}.section-label.light{color:#b8d9ff}h1,h2,h3,p{margin-top:0}h2{font-size:clamp(1.7rem,3vw,2.55rem);line-height:1.35}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;gap:28px}.brand img{width:170px}.global-nav{display:flex;gap:24px;margin-left:auto}.global-nav a{text-decoration:none;font-size:.9rem;font-weight:700}.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:6px;font-weight:800}.header-cta{padding:10px 16px;background:var(--navy);color:#fff}.hero{background:#fff}.hero-grid{display:grid;grid-template-columns:42% 58%;min-height:520px;align-items:stretch}.hero-copy{padding:62px 52px 48px 0;display:flex;flex-direction:column;justify-content:center}.eyebrow{font-size:.78rem;letter-spacing:.15em;color:var(--blue);font-weight:800}.hero h1{font-size:clamp(2.5rem,4.4vw,4.8rem);line-height:1.08;margin-bottom:24px}.hero h1 span{color:var(--blue)}.hero-lead{font-weight:700;font-size:1.08rem}.hero-sub{color:var(--muted)}.hero-actions{display:flex;gap:12px;margin:22px 0}.btn{padding:13px 20px}.btn-primary{background:var(--blue);color:#fff}.btn-ghost{border:1px solid var(--blue);color:var(--blue)}.hero-points{display:flex;gap:10px;flex-wrap:wrap}.hero-points span{background:var(--pale);padding:7px 12px;border-radius:99px;font-size:.85rem}.hero-visual{overflow:hidden;position:relative}.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:center}.message{background:var(--pale)}.dtp-intro{max-width:900px}.dtp-lead{font-size:1.12rem}.cards.four{display:grid;grid-template-columns:repeat(4,1fr);margin-top:36px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.info-card{padding:34px 28px;position:relative;border-right:1px solid var(--line)}.info-card:last-child{border-right:0}.num{display:block;font-size:5rem;line-height:1;color:#d7e8f8;font-weight:900}.learn-en{font-size:.72rem;color:var(--blue);font-weight:800;letter-spacing:.08em}.info-card h3{color:var(--navy);font-size:1.25rem}.difference{padding-bottom:26px;background:#fff}.split{display:grid;grid-template-columns:2fr 1fr;gap:48px}.quote-panel{border-left:4px solid var(--blue);padding:24px 32px;background:#fff}.quote-panel p{font-size:1.45rem}.scene-strip{padding-top:12px;background:#fff}.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.scene-grid figure{margin:0}.scene-grid img{aspect-ratio:4/3;object-fit:cover;border-radius:5px}.scene-grid figcaption{font-weight:800;color:var(--navy);padding-top:10px}.scene-grid figcaption span{display:inline-grid;place-items:center;background:var(--blue);color:#fff;border-radius:50%;width:28px;height:28px;margin-right:8px;font-size:.78rem}.photo-note{font-size:.78rem;color:var(--muted);margin-top:16px}.works{background:var(--pale)}.section-head{max-width:820px;margin-bottom:30px}.works-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.work-card{background:#fff;border:1px solid var(--line)}.work-card img{aspect-ratio:4/3;object-fit:cover}.work-card div{padding:14px}.work-card span{font-size:.72rem;color:var(--blue);font-weight:800}.work-card h3{margin-bottom:6px}.work-card p{font-size:.8rem;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line)}.steps article{padding:24px;border-right:1px solid var(--line)}.steps article:last-child{border-right:0}.steps span{color:var(--blue);font-weight:900;font-size:.75rem}.fit{background:#fff}.fit-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}.fit-lead{font-weight:600}.fit-copy ul{list-style:none;padding:0;margin:26px 0 0}.fit-copy li{display:grid;grid-template-columns:20px minmax(0,1fr);column-gap:10px;align-items:start;padding-left:0;margin:11px 0;line-height:1.65}.fit-copy li:before{content:'✓';position:static;width:20px;height:20px;margin-top:.28em;display:grid;place-items:center;background:var(--blue);color:#fff;border-radius:50%;font-size:.72rem;font-weight:900;line-height:1}.visual-block img{aspect-ratio:16/10;object-fit:cover}.visual-block p{margin:12px 0 0;color:var(--navy)}.youth{padding-top:20px}.youth-box{border-left:5px solid var(--blue);padding:38px 44px;background:linear-gradient(90deg,#f5f9fd,#fff)}.youth-box h2{color:var(--navy)}.youth-message{font-size:1.35rem;font-weight:800;color:var(--navy);margin:28px 0 14px}.youth-note{display:inline-block;border:1px solid #b8d5ef;padding:9px 14px;color:var(--blue);font-weight:700}.parents{padding-top:36px}.parents-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;background:var(--warm);padding:48px}.parents-kicker{font-size:1.25rem;color:var(--navy);font-weight:800}.contact{background:var(--navy);color:#fff}.contact-intro{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:center}.contact-action{background:#fff;color:var(--ink);border-radius:10px;padding:28px 34px;box-shadow:0 12px 30px rgba(0,0,0,.12)}.contact-action-head{display:flex;align-items:center;gap:12px}.contact-action-head span{background:var(--blue);color:#fff;border-radius:99px;padding:5px 10px;font-size:.7rem;font-weight:900}.contact-action-head p{margin:0;font-weight:800}.contact-phone{display:block;text-decoration:none;color:var(--navy);font-weight:900;font-size:clamp(2rem,4vw,3.4rem);line-height:1.2;margin:12px 0 16px;letter-spacing:.04em}.contact-meta{display:flex;gap:12px;align-items:center;border-top:1px solid var(--line);padding-top:14px}.contact-meta strong{background:var(--navy);color:#fff;padding:5px 10px;border-radius:4px}.contact-note{font-size:.82rem;color:var(--muted);margin:12px 0 0}.form-panel{margin-top:36px;background:#fff;color:var(--ink);padding:38px;border-radius:10px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:block}.field span,.fieldset legend{display:block;font-weight:800;margin-bottom:7px}.field b,.fieldset b,.privacy-check b{color:#c83b3b;font-size:.72rem}input,select,textarea{width:100%;border:1px solid #bdcbd8;border-radius:4px;padding:12px;font:inherit;background:#fff}.fieldset{border:0;padding:0;margin:22px 0}.choice-row{display:flex;gap:18px;flex-wrap:wrap}.choice-row label{display:flex;gap:6px;align-items:center}.choice-row input{width:auto}.privacy-check{display:flex;gap:10px;align-items:flex-start;margin:20px 0}.privacy-check input{width:auto;margin-top:6px}.submit-btn{border:0;background:var(--blue);color:#fff;padding:14px 28px;border-radius:5px;font-weight:800;font-size:1rem}.privacy-box{margin-top:28px;padding-top:24px;border-top:1px solid var(--line);font-size:.86rem}.honeypot{position:absolute;left:-9999px}.site-footer{background:#06274f;color:#fff}.footer-inner{min-height:110px;display:flex;align-items:center;gap:28px;justify-content:space-between}.footer-inner img{width:155px;filter:brightness(0) invert(1)}.footer-inner a{color:#fff}.back-to-top{position:fixed;right:24px;bottom:24px;width:58px;height:58px;border:0;border-radius:50%;background:var(--navy);color:#fff;display:none;place-items:center;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.2);z-index:30}.back-to-top.show{display:grid}.back-to-top span{font-size:1.2rem;line-height:1}.back-to-top b{font-size:.65rem}@media(max-width:900px){.global-nav,.header-cta{display:none}.hero-grid,.split,.fit-grid,.parents-box,.contact-intro{grid-template-columns:1fr}.hero-grid{min-height:auto}.hero-copy{padding:46px 0}.hero-visual{height:360px}.cards.four,.scene-grid{grid-template-columns:repeat(2,1fr)}.works-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr}.steps article{border-right:0;border-bottom:1px solid var(--line)}.form-grid{grid-template-columns:1fr}}@media(max-width:560px){.section{padding:52px 0}.header-inner{height:64px}.brand img{width:145px}.hero h1{font-size:2.6rem}.hero-visual{height:280px}.cards.four,.scene-grid,.works-grid{grid-template-columns:1fr}.info-card{border-right:0;border-bottom:1px solid var(--line)}.parents-box,.form-panel,.youth-box{padding:28px 22px}.contact-phone{font-size:2rem}.footer-inner{flex-direction:column;justify-content:center;padding:26px 0;text-align:center}.back-to-top{right:14px;bottom:14px}}

/* v11: production image refinements */
.scene-grid figure img {
  width: 100%;
  aspect-ratio: 420 / 220;
  object-fit: cover;
  display: block;
}
.scene-grid figure:nth-child(1) img { object-position: 50% 48%; }
.scene-grid figure:nth-child(2) img { object-position: 56% 48%; }
.scene-grid figure:nth-child(3) img { object-position: 54% 55%; }
.scene-grid figure:nth-child(4) img { object-position: 56% 52%; }
.work-card > div {
  background: #eef3f7;
}
.work-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
}