.landing{--landing-ink:#0f1419;--landing-muted:#3a4553;--landing-line:#c5ced9;--landing-accent:#163a5b;--landing-accent-dark:#0f2a44;--landing-surface:#ffffff;--landing-soft:#e8edf3;color:var(--landing-ink);line-height:1.65;font-family:var(--font-sans),"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif}.landing a{color:inherit;text-decoration:none}.landing a.landing-btn--ghost{color:var(--landing-ink)}.landing a.landing-btn--ghost:hover{color:var(--landing-accent-dark)}.landing a.landing-btn--primary,.landing a.landing-btn--primary:hover{color:#fff}.landing-topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--landing-line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.landing-topbar__brand{font-family:var(--font-display),"Hiragino Mincho ProN",serif;font-size:1.25rem;font-weight:600;letter-spacing:.04em}.landing-topbar__actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.landing-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:999px;border:1.5px solid transparent;font-size:.95rem;font-weight:600;transition:background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}.landing-btn--ghost{border-color:#9aa8b8;background:#fff;color:var(--landing-ink)}.landing-btn--ghost:hover{border-color:var(--landing-accent);background:#f3f6f9;color:var(--landing-accent-dark)}.landing-btn--primary{background:#0a1f33;border-color:#0a1f33;color:#fff}.landing-btn--primary:hover{background:#061525;border-color:#061525;color:#fff}.landing-btn--large{min-height:48px;padding:0 24px;font-size:1rem}.landing-hero{padding:72px 24px 56px;background:radial-gradient(900px 420px at 88% -10%,rgba(28,74,115,.12),transparent 55%),linear-gradient(180deg,#ffffff,#f4f7fa)}.landing-cta__inner,.landing-footer__inner,.landing-hero__inner,.landing-section__inner{max-width:1080px;margin:0 auto}.landing-eyebrow{display:inline-block;margin:0 0 14px;padding:6px 12px;border-radius:999px;background:color-mix(in srgb,var(--landing-accent) 10%,#fff);color:var(--landing-accent-dark);font-size:.85rem;font-weight:600;letter-spacing:.04em}.landing-hero h1{margin:0;font-size:clamp(2rem,5vw,3.4rem);line-height:1.15;letter-spacing:-.03em}.landing-hero__lead{margin:18px 0 0;max-width:720px;font-size:clamp(1.05rem,2.2vw,1.25rem);color:var(--landing-muted)}.landing-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.landing-hero__note{margin:16px 0 0;color:var(--landing-muted);font-size:.92rem}.landing-section{padding:64px 24px}.landing-section--soft{background:var(--landing-soft)}.landing-section__head{max-width:720px;margin-bottom:32px}.landing-section__head h2{margin:0;font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.02em}.landing-section__head p{margin:12px 0 0;color:var(--landing-muted)}.landing-features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:18px;gap:18px}.landing-feature{background:var(--landing-surface);border:1px solid var(--landing-line);border-radius:16px;padding:22px}.landing-section--soft .landing-feature{background:#fff}.landing-feature h3{margin:0 0 8px;font-size:1.05rem;color:var(--landing-ink)}.landing-feature p{margin:0;color:var(--landing-muted);font-size:.95rem}.landing-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:16px;gap:16px;counter-reset:landing-step}.landing-step{position:relative;background:#fff;border:1px solid var(--landing-line);border-radius:16px;padding:20px 18px 18px}.landing-step:before{counter-increment:landing-step;content:counter(landing-step);display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;margin-bottom:12px;border-radius:999px;background:#dbeafe;color:var(--landing-accent-dark);font-size:.85rem;font-weight:700}.landing-step h3{margin:0 0 8px;font-size:1rem}.landing-step p{margin:0;color:var(--landing-muted);font-size:.92rem}.landing-audience{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:16px;gap:16px}.landing-audience__item{padding:20px;border-radius:16px;border:1px solid var(--landing-line);background:#fff}.landing-audience__item strong{display:block;margin-bottom:8px;color:var(--landing-ink)}.landing-audience__item p{margin:0;color:var(--landing-muted);font-size:.94rem}.landing-cta{padding:56px 24px 72px}.landing-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px;border-radius:20px;background:linear-gradient(135deg,#0f2a44,#163a5b 55%,#1c4a73);color:#fff}.landing-cta__inner h2{margin:0 0 8px;font-size:clamp(1.35rem,3vw,1.8rem);color:#fff}.landing-cta__inner p{margin:0;color:rgba(255,255,255,.92)}.landing-cta__actions{display:flex;flex-wrap:wrap;gap:10px;flex-shrink:0}.landing-cta .landing-btn--ghost{background:#fff;border-color:#fff;color:var(--landing-ink);box-shadow:0 1px 2px rgba(0,0,0,.12)}.landing-cta .landing-btn--ghost:hover{background:#f3f6f9;border-color:#f3f6f9;color:var(--landing-accent-dark)}.landing-cta a.landing-btn--ghost{color:var(--landing-ink)}.landing-cta a.landing-btn--ghost:hover{color:var(--landing-accent-dark)}.landing-cta .landing-btn--primary{background:#0a1f33;border-color:#fff;color:#fff;box-shadow:none}.landing-cta .landing-btn--primary:hover{background:#061525;border-color:#fff;color:#fff}.landing-cta a.landing-btn--primary,.landing-cta a.landing-btn--primary:hover{color:#fff}.landing-footer{padding:24px;border-top:1px solid var(--landing-line);background:#fff}.landing-footer__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--landing-muted);font-size:.9rem}@media (max-width:900px){.landing-audience,.landing-features{grid-template-columns:1fr}.landing-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.landing-cta__inner{flex-direction:column;align-items:flex-start}}@media (max-width:640px){.landing-cta,.landing-hero,.landing-section,.landing-topbar{padding-inline:16px}.landing-steps{grid-template-columns:1fr}.landing-topbar__actions{width:100%;justify-content:flex-end}}