:root{
  --mn-blue-950:#08244d;--mn-blue-900:#0f2f5f;--mn-blue-800:#003f88;--mn-blue-700:#0057b8;--mn-blue-600:#1270d9;
  --mn-sky-100:#dff1ff;--mn-sky-50:#f5fbff;--mn-white:#fff;--mn-orange:#ff7a00;--mn-orange-dark:#f26a00;
  --mn-cream:#fff7e8;--mn-green:#86a76d;--mn-red:#ffb6b6;--mn-yellow:#ffd166;--mn-gray-900:#12213a;--mn-gray-700:#34415a;--mn-gray-500:#667085;--mn-line:#d9e8f7;
  --mn-shadow:0 22px 60px rgba(15,47,95,.12);--mn-soft-shadow:0 12px 28px rgba(15,47,95,.08);--mn-radius:26px;--mn-radius-sm:18px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body.mn-site{margin:0;font-family:"Noto Sans JP",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--mn-gray-900);background:var(--mn-sky-50);line-height:1.75;-webkit-font-smoothing:antialiased}body.mn-site a{text-decoration:none;color:inherit}body.mn-site img{max-width:100%;height:auto}.mn-container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.mn-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,232,247,.9)}.mn-header__inner{min-height:72px;display:flex;align-items:center;gap:24px}.mn-header__logo{display:flex;align-items:center;flex:0 0 auto}.mn-header-logo{width:clamp(130px,14vw,178px);height:auto;display:block}.mn-nav{display:flex;align-items:center;gap:26px;margin-left:auto;color:var(--mn-blue-950);font-size:14px;font-weight:800}.mn-nav a{position:relative;white-space:nowrap}.mn-nav 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minmax(420px,.9fr);gap:36px;align-items:center}.mn-savings-structure h2{text-align:left}.mn-savings-structure p{font-size:17px;color:var(--mn-gray-700);font-weight:600}.mn-formula-card{background:#fff;border:1px solid var(--mn-line);border-radius:30px;box-shadow:var(--mn-shadow);padding:26px;display:grid;grid-template-columns:1fr auto 1fr auto 1.15fr;gap:12px;align-items:center}.mn-formula-card div{border-radius:20px;background:#f7fbff;border:1px solid var(--mn-line);padding:18px;text-align:center;min-height:126px;display:grid;place-items:center}.mn-formula-card img{width:58px}.mn-formula-card strong{display:block;color:var(--mn-blue-950);font-weight:900}.mn-formula-card b{font-size:30px;color:var(--mn-blue-700)}.mn-formula-card .mn-formula-card__accent{background:linear-gradient(180deg,#fff6e8,#fff);border-color:#ffd4a8}.mn-mid-cta{background:linear-gradient(100deg,var(--mn-blue-800),var(--mn-blue-700));padding:34px 0}.mn-mid-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.mn-mid-cta .mn-eyebrow,.mn-mid-cta h2{color:#fff;text-align:left;margin-bottom:0}.mn-mid-cta h2{font-size:clamp(22px,2.5vw,32px);max-width:680px}.mn-guide-section{background:#fff;padding:76px 0}.mn-guide-section .mn-eyebrow{text-align:center}.mn-guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.mn-guide-card{background:#fff;border:1px solid var(--mn-line);border-radius:22px;box-shadow:var(--mn-soft-shadow);padding:12px;display:grid;gap:12px;transition:.18s ease;overflow:hidden}.mn-guide-card:hover{transform:translateY(-4px);box-shadow:var(--mn-shadow)}.mn-guide-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;background:#edf8ff}.mn-guide-card strong{font-size:17px;line-height:1.48;color:var(--mn-blue-950);padding:0 5px}.mn-guide-card span{color:var(--mn-orange-dark);font-weight:900;padding:0 5px 4px}.mn-final-cta{background:linear-gradient(120deg,#eaf8ff,#fff 55%,#fff4df);padding:62px 0 70px;text-align:center}.mn-final-cta__inner{border-radius:28px;background:linear-gradient(100deg,var(--mn-blue-800),var(--mn-blue-700));color:#fff;padding:46px 28px;box-shadow:var(--mn-shadow);position:relative;overflow:hidden}.mn-final-cta__inner:before{content:"";position:absolute;inset:auto auto -95px -40px;width:330px;height:220px;background:radial-gradient(circle,rgba(255,255,255,.24),rgba(255,255,255,0) 65%)}.mn-final-cta h2{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:0 0 14px}.mn-final-cta p{margin:0 auto 24px;max-width:760px;color:#eff8ff;font-weight:700}.mn-final-cta .mn-eyebrow{color:#fff}.mn-footer{background:#fff;border-top:1px solid var(--mn-line);padding:40px 0}.mn-footer__inner{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.mn-footer__brand p{margin:10px 0 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6px;color:var(--mn-orange-dark);font-weight:900}.mn-mini-cta p{margin:0 0 14px;color:var(--mn-gray-700)}.mn-mini-cta .mn-cta-primary{min-height:48px;border-radius:12px}.mn-article__layout{padding:54px 0;background:#fff}.mn-article__body{max-width:880px;margin:0 auto}.mn-article__body h2{font-size:clamp(24px,3vw,34px);line-height:1.35;color:var(--mn-blue-950);padding-left:16px;border-left:6px solid var(--mn-orange);margin:52px 0 18px}.mn-article__body p,.mn-article__body li{font-size:17px}.mn-article__body img{border-radius:20px}.mn-honest-box{background:linear-gradient(180deg,#fff,#f9fcff);border:1px solid var(--mn-line);border-radius:24px;padding:28px;margin:52px 0;box-shadow:var(--mn-soft-shadow)}.mn-honest-box h2{border:0;padding:0;margin:0 0 16px;color:var(--mn-blue-950);font-size:24px}.mn-honest-box ul{margin:0;padding-left:1.4em}.mn-related-guides{margin-top:54px}.mn-related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.mn-related-grid a{background:#f7fbff;border:1px solid var(--mn-line);border-radius:14px;padding:14px 16px;font-weight:900;color:var(--mn-blue-900)}.mn-app-missing{min-height:100vh;display:grid;place-items:center;background:#f5fbff;padding:32px;font-family:system-ui,sans-serif}.mn-app-missing div{max-width:720px;background:#fff;border:1px solid #d9e8f7;border-radius:24px;padding:32px;box-shadow:0 22px 60px rgba(15,47,95,.12)}
@media (max-width:980px){.mn-container{width:min(100% - 36px,1160px)}.mn-header__inner{min-height:64px}.mn-menu-toggle{display:inline-flex;margin-left:auto;border:1px solid var(--mn-line);background:#fff;border-radius:999px;padding:8px 12px;color:var(--mn-blue-950);font-weight:900}.mn-nav{position:absolute;top:64px;left:18px;right:18px;display:none;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--mn-line);border-radius:20px;box-shadow:var(--mn-shadow);padding:18px;margin:0;gap:14px}.mn-nav.is-open{display:flex}.mn-nav a:first-child:after{display:none}.mn-header-cta{font-size:13px;padding-inline:14px}.mn-home-hero{padding:44px 0 36px}.mn-home-hero__grid,.mn-savings-structure__grid,.mn-page-hero__grid{grid-template-columns:1fr;gap:28px}.mn-home-hero h1,.mn-page-hero h1{font-size:36px}.mn-hero-visual{order:-1}.mn-hero-actions{display:grid}.mn-cta-primary,.mn-cta-secondary{width:100%;min-height:56px}.mn-benefit-grid{grid-template-columns:repeat(2,1fr)}.mn-benefit-grid article:nth-child(2){border-right:0}.mn-benefit-grid article:nth-child(-n+2){border-bottom:1px solid var(--mn-line)}.mn-problem-grid,.mn-guide-grid{grid-template-columns:1fr}.mn-problem-card{text-align:left;display:flex;gap:14px;justify-content:flex-start}.mn-problem-card img{width:56px;height:56px}.mn-formula-card{grid-template-columns:1fr;gap:10px}.mn-formula-card b{transform:rotate(90deg);justify-self:center}.mn-mid-cta__inner{display:block}.mn-mid-cta .mn-cta-primary{margin-top:20px}.mn-footer__inner{display:block}.mn-footer__links{margin-top:22px;display:grid}.mn-related-grid{grid-template-columns:1fr}}
@media (max-width:430px){.mn-container{width:min(100% - 32px,1160px)}.mn-home-hero h1,.mn-page-hero h1{font-size:32px}.mn-hero-visual img,.mn-hero-illust{border-radius:22px}.mn-benefit-grid{grid-template-columns:1fr}.mn-benefit-grid article{border-right:0!important;border-bottom:1px solid var(--mn-line)}.mn-benefit-grid article:last-child{border-bottom:0}.mn-header-logo{width:132px}.mn-header-cta{display:none}.mn-home-hero{padding-top:32px}.mn-guide-section{padding:54px 0}}
body.mn-site a.mn-header-cta,body.mn-site a.mn-header-cta:hover,body.mn-site a.mn-header-cta:focus{color:#fff}
body.mn-site a.mn-cta-primary,body.mn-site a.mn-cta-primary span,body.mn-site a.mn-cta-primary:hover{color:#fff}