*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#0d2240;--navy2:#16365e;--orange:#ff7a1a;--orange2:#e96810;--ink:#0a1426;--ink2:#2b3a52;--muted:#66748a;--line:#e4eaf2;--soft:#f5f8fc;--orange-soft:#fff1e3;--white:#fff;--radius:18px;--shadow:0 18px 48px -20px rgba(13,34,64,.2)}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans JP','Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;color:var(--ink);background:#fff;line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:999;background:#fff;padding:10px 14px;border:2px solid var(--navy)}
.header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:13px 28px;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy)}
.brand img{width:auto;height:32px}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand small{font-size:.65rem;color:var(--muted);font-weight:500}
.header-links{display:flex;align-items:center;gap:20px;font-size:.82rem;font-weight:700;color:var(--ink2)}
.header-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:800;transition:.2s}
.header-cta{background:var(--orange);color:#fff;padding:10px 17px}.header-cta:hover,.button.primary:hover{background:var(--orange2);transform:translateY(-1px)}
.hero{padding:86px 28px 78px;background:radial-gradient(circle at 10% 0,#eaf1fa,transparent 45%),radial-gradient(circle at 90% 20%,#fff1e3,transparent 40%),linear-gradient(180deg,#fbfcfe,#f5f8fc)}
.wrap{width:min(1080px,100%);margin:0 auto}.narrow{width:min(820px,100%);margin:0 auto}
.breadcrumb{font-size:.75rem;color:var(--muted);margin-bottom:28px}.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange2);font:800 .72rem 'Inter',sans-serif;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px}.eyebrow::before{content:'';width:24px;height:2px;background:var(--orange)}
h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.28;letter-spacing:-.035em;color:var(--navy);margin-bottom:22px}h1 em,h2 em{font-style:normal;color:var(--orange2)}
.hero-lead{font-size:1.02rem;color:var(--ink2);max-width:760px;line-height:2}.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:.76rem;font-weight:700;color:var(--navy)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.button{padding:13px 22px;border:1px solid var(--navy);font-size:.88rem}.button.primary{background:var(--orange);color:#fff;border-color:var(--orange)}.button.secondary{background:#fff;color:var(--navy)}.button.secondary:hover{background:var(--navy);color:#fff}
.section{padding:88px 28px}.section.soft{background:var(--soft)}.section.dark{background:var(--navy);color:#fff}
.section-head{max-width:760px;margin:0 auto 42px;text-align:center}.section-head h2,.content h2{font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.45;color:var(--navy);margin-bottom:14px;letter-spacing:-.02em}.section.dark .section-head h2,.section.dark .content h2{color:#fff}.section-head p{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.card h3{color:var(--navy);font-size:1.03rem;margin-bottom:10px}.card p{font-size:.88rem;color:var(--muted)}
.num{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--orange-soft);color:var(--orange2);font:800 .78rem 'Inter',sans-serif;margin-bottom:17px}
.case{display:grid;grid-template-columns:1.08fr .92fr;gap:0;background:var(--navy);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.case-media{min-height:480px;background:#ddd}.case-media img{width:100%;height:100%;object-fit:cover}.case-copy{padding:46px;color:#fff;display:flex;flex-direction:column;justify-content:center}.case-copy h2{font-size:clamp(1.6rem,3vw,2.35rem);line-height:1.45;margin-bottom:18px}.case-copy p{color:rgba(255,255,255,.75);font-size:.92rem}.tags{display:flex;flex-wrap:wrap;gap:7px;margin:22px 0}.tags span{font-size:.7rem;font-weight:700;padding:6px 10px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:rgba(255,255,255,.82)}
.content{font-size:.96rem;color:var(--ink2)}.content h2{margin-top:52px}.content h2:first-child{margin-top:0}.content h3{color:var(--navy);font-size:1.12rem;margin:30px 0 9px}.content p+p{margin-top:16px}.content ul{padding-left:1.3em;margin:16px 0}.content li+li{margin-top:8px}.note{margin:24px 0;padding:18px 20px;border-left:4px solid var(--orange);background:var(--orange-soft);border-radius:0 12px 12px 0;font-size:.88rem;color:var(--ink2)}
.table-wrap{overflow-x:auto;margin:24px 0}.table{width:100%;border-collapse:collapse;min-width:620px;background:#fff}.table th,.table td{padding:14px 16px;border:1px solid var(--line);text-align:left;font-size:.84rem}.table th{background:var(--navy);color:#fff}.table td:first-child{font-weight:700;color:var(--navy);background:var(--soft)}
.pricebox{background:#fff;border:2px solid var(--navy);border-radius:22px;padding:34px;text-align:center}.pricebox small{font-weight:800;color:var(--orange2)}.pricebox strong{display:block;color:var(--navy);font:900 clamp(2.3rem,6vw,4rem) 'Inter',sans-serif;letter-spacing:-.05em;line-height:1.2;margin:8px 0}.pricebox p{font-size:.82rem;color:var(--muted)}
.cta{padding:78px 28px;text-align:center;background:linear-gradient(135deg,#0d2240,#16365e);color:#fff}.cta h2{font-size:clamp(1.65rem,4vw,2.5rem);line-height:1.45;margin-bottom:14px}.cta p{color:rgba(255,255,255,.7);margin-bottom:26px}.cta .actions{justify-content:center;margin-top:0}
.footer{padding:40px 28px;background:#06111f;color:rgba(255,255,255,.55);font-size:.76rem;text-align:center}.footer a{color:rgba(255,255,255,.82);text-decoration:underline;text-underline-offset:3px}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 18px;margin-top:12px}
@media(max-width:820px){.header{padding:11px 17px}.header-links>a:not(.header-cta){display:none}.brand small{display:none}.hero{padding:62px 20px 58px}.section{padding:68px 20px}.grid,.grid.two{grid-template-columns:1fr}.case{grid-template-columns:1fr}.case-media{min-height:330px}.case-copy{padding:34px 26px}.header-cta{padding:9px 13px;font-size:.75rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}