@layer components {
    .site-header, footer { width: min(100% - 2rem, 72rem); margin: 0 auto; }
    .site-header { display: flex; justify-content: space-between; align-items: center; min-height: 5rem; }
    .site-brand { display: inline-flex; align-items: center; gap: .65rem; font-size: 1.15rem; font-weight: 850; letter-spacing: -.03em; text-decoration: none; }
    .site-header nav { display: flex; gap: 1.5rem; }
    .site-header nav a { color: var(--muted); font-size: .86rem; font-weight: 700; text-decoration: none; }
    .site-header nav a:hover { color: var(--primary); }

    .shell { width: min(100% - 2rem, 72rem); margin: 0 auto; padding: 3.5rem 0 5rem; }
    .hero { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: clamp(2rem, 7vw, 6rem); min-height: 34rem; }
    .eyebrow { margin: 0 0 .8rem; color: var(--primary); font-size: .72rem; font-weight: 850; letter-spacing: .15em; }
    h1 { margin: 0; font-size: clamp(2.8rem, 6.4vw, 5.4rem); letter-spacing: -.065em; line-height: 1.02; }
    h1 span { color: var(--primary); }
    .subtitle { max-width: 36rem; margin: 1.4rem 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.75; }
    .hero-points { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
    .hero-points li { padding: .45rem .7rem; border: 1px solid #c7ddd0; border-radius: 999px; color: #315f44; background: rgb(255 255 255 / 55%); font-size: .78rem; font-weight: 700; }

    .convert-card { display: grid; gap: .7rem; padding: clamp(1.35rem, 4vw, 2rem); border: 1px solid #cbded1; border-radius: 24px; background: rgb(255 255 255 / 92%); box-shadow: 0 24px 70px rgb(38 83 55 / 13%); }
    .card-heading { margin-bottom: .4rem; }
    .card-heading span { color: var(--primary); font-size: .75rem; font-weight: 800; }
    .card-heading h2 { margin: .25rem 0; font-size: 1.6rem; letter-spacing: -.03em; }
    .card-heading p { margin: 0; color: var(--muted); font-size: .8rem; }
    label { margin-top: .35rem; font-size: .9rem; font-weight: 750; }
    label small { color: var(--muted); font-weight: 550; }
    input { width: 100%; min-height: 3rem; padding: .75rem; border: 1px solid var(--border); border-radius: 10px; background: #fbfdfb; }
    input:focus { outline: 3px solid rgb(18 100 58 / 18%); border-color: var(--primary); }
    .consent-option { display: flex; align-items: flex-start; gap: .65rem; margin-top: .65rem; color: var(--muted); font-size: .79rem; font-weight: 550; line-height: 1.5; }
    .consent-option input { flex: 0 0 auto; width: 1rem; min-height: 1rem; margin-top: .12rem; accent-color: var(--primary); }
    button { min-height: 3.2rem; margin-top: .65rem; border: 0; border-radius: 10px; color: #fff; background: var(--primary); font-weight: 800; cursor: pointer; }
    button:hover { background: var(--primary-hover); }
    button:disabled { cursor: wait; opacity: .65; }
    .message { min-height: 1.25rem; margin: .25rem 0 0; color: var(--error); font-size: .9rem; }

    .content-section { margin-top: 7rem; scroll-margin-top: 2rem; }
    .section-intro { max-width: 43rem; }
    .section-intro h2, .privacy-section h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.045em; }
    .section-intro > p:last-child { color: var(--muted); line-height: 1.7; }
    .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
    .feature-grid article { padding: 1.5rem; border: 1px solid #d4e3d9; border-radius: 18px; background: rgb(255 255 255 / 72%); }
    .feature-icon { display: grid; place-items: center; width: 2.6rem; height: 2.6rem; border-radius: 10px; color: #276b43; background: #dcefe2; font-size: 1.15rem; font-weight: 900; }
    .feature-grid h3 { margin: 1.1rem 0 .55rem; font-size: 1.05rem; }
    .feature-grid p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.65; }
    .guide-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; }
    .step-list { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; counter-reset: steps; }
    .step-list li { display: grid; grid-template-columns: 2.3rem 8rem 1fr; align-items: center; gap: .8rem; padding: 1.1rem; border-bottom: 1px solid var(--border); counter-increment: steps; }
    .step-list li::before { content: counter(steps); display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; color: #245f3c; background: #d9ecdf; font-weight: 850; }
    .step-list span { color: var(--muted); font-size: .88rem; line-height: 1.55; }
    .privacy-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; padding: 2rem; border-radius: 20px; background: #dceee2; }
    .privacy-section p:last-child { margin: 0; color: #415c4b; line-height: 1.75; }
    footer { display: flex; justify-content: space-between; align-items: center; padding: 2rem 0 3rem; border-top: 1px solid var(--border); }
    footer p { color: var(--muted); font-size: .8rem; }

    @media (max-width: 820px) { .hero, .guide-section, .privacy-section { grid-template-columns: 1fr; } .hero { min-height: auto; } .feature-grid { grid-template-columns: 1fr; } .guide-section, .privacy-section { gap: 2rem; } }
    @media (max-width: 600px) { .site-header nav { display: none; } .shell { padding-top: 2rem; } .content-section { margin-top: 5rem; } .step-list li { grid-template-columns: 2.3rem 1fr; } .step-list span { grid-column: 2; } footer { align-items: flex-start; flex-direction: column; gap: .5rem; } }
}