/* 名片の神 — Landing Page */

body.landing-body {
    background: var(--color-warm-white);
    color: var(--color-near-black-ink);
}

.landing-body .mobile-only { display: none; }

.lp-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px max(20px, calc((100% - var(--page-max-width)) / 2 + 20px));
    transition: background var(--transition), box-shadow var(--transition);
}

.lp-header.is-scrolled {
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(14px);
    box-shadow: 0 8px 24px rgba(17, 17, 13, 0.04);
}

.lp-header.is-scrolled .lp-brand span,
.lp-header.is-scrolled .lp-nav .btn-outline {
    color: var(--color-near-black-ink);
}

.lp-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #ffffff;
}

.lp-brand-mark {
    width: 42px;
    height: 42px;
    padding: 5px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 13px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.lp-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lp-nav .btn-outline {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.lp-header.is-scrolled .lp-nav .btn-outline {
    border-color: var(--color-border);
    background: var(--color-pure-white);
}

/* Hero */
.lp-hero {
    position: relative;
    overflow: hidden;
    padding: 120px max(20px, calc((100% - var(--page-max-width)) / 2 + 20px)) 80px;
    background:
        radial-gradient(circle at 82% 8%, rgba(209, 244, 112, 0.45), transparent 38%),
        radial-gradient(circle at 12% 88%, rgba(209, 244, 112, 0.12), transparent 42%),
        linear-gradient(155deg, #0f0f0c 0%, #1f211b 52%, #252820 100%);
    color: #ffffff;
}

.lp-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    gap: 48px;
    align-items: center;
    max-width: var(--page-max-width);
    margin: 0 auto;
}

.lp-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 32px;
    padding: 0 14px;
    margin-bottom: 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.88);
}

.lp-kicker-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-electric-lime);
    box-shadow: 0 0 0 4px rgba(209, 244, 112, 0.22);
}

.lp-hero h1 {
    font-size: clamp(36px, 5.5vw, 58px);
    font-weight: 800;
    line-height: 1.06;
    letter-spacing: -0.035em;
    max-width: 11ch;
}

.lp-hero-lead {
    margin-top: 18px;
    max-width: 480px;
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.72);
}

.lp-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.lp-hero-actions .btn-outline {
    border-color: rgba(255, 255, 255, 0.24);
    background: transparent;
    color: #ffffff;
}

.lp-hero-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
}

.lp-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.lp-hero-stat strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.lp-hero-stat span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.58);
}

/* Hero visual */
.lp-hero-visual {
    position: relative;
    min-height: 360px;
}

.lp-phone-frame {
    position: relative;
    z-index: 2;
    width: min(100%, 340px);
    margin: 0 auto;
    padding: 14px;
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
}

.lp-phone-screen {
    border-radius: 22px;
    overflow: hidden;
    background: var(--color-warm-white);
    padding: 16px;
}

.lp-mini-card {
    position: relative;
    display: flex;
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(17, 17, 13, 0.1);
    margin-bottom: 12px;
}

.lp-mini-card-stripe {
    flex: 0 0 8px;
    background: var(--color-forest-canopy);
}

.lp-mini-card-body {
    flex: 1;
    padding: 16px 14px;
}

.lp-mini-card-body strong {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-near-black-ink);
}

.lp-mini-card-body em {
    display: block;
    margin-top: 4px;
    font-style: normal;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-forest-canopy);
}

.lp-mini-card-body span {
    display: block;
    margin-top: 10px;
    font-size: 11px;
    color: var(--color-stone-divider);
    line-height: 1.45;
}

.lp-mini-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lp-mini-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    background: #ffffff;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-near-black-ink);
    box-shadow: 0 2px 8px rgba(17, 17, 13, 0.05);
}

.lp-mini-list-item i {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 8px;
    background: var(--color-electric-lime);
}

.lp-glow {
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(209, 244, 112, 0.28);
    filter: blur(60px);
    pointer-events: none;
}

.lp-glow-a { top: -20px; right: 10%; }
.lp-glow-b { bottom: 0; left: 0; }

/* Sections */
.lp-section {
    padding: 80px max(20px, calc((100% - var(--page-max-width)) / 2 + 20px));
}

.lp-section-inner {
    max-width: var(--page-max-width);
    margin: 0 auto;
}

.lp-section-head {
    max-width: 640px;
    margin-bottom: 40px;
}

.lp-section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.lp-section-label {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-forest-canopy);
}

.lp-section-head h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
}

.lp-section-head p {
    margin-top: 14px;
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-stone-divider);
}

.lp-section-alt {
    background: var(--color-pure-white);
}

/* Step cards */
.lp-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.lp-step {
    padding: 24px 22px;
    border-radius: 22px;
    background: var(--color-pure-white);
    border: 1px solid var(--color-border);
    box-shadow: 0 12px 32px rgba(17, 17, 13, 0.04);
}

.lp-section-alt .lp-step {
    background: var(--color-warm-white);
}

.lp-step-num {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    margin-bottom: 16px;
    border-radius: 12px;
    background: var(--color-electric-lime);
    font-size: 14px;
    font-weight: 800;
    color: var(--color-near-black-ink);
}

.lp-step h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.lp-step p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-stone-divider);
}

/* Feature grid */
.lp-features {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.lp-feature {
    padding: 28px 24px;
    border-radius: 24px;
    background: var(--color-warm-white);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.lp-section-alt .lp-feature {
    background: var(--color-pure-white);
}

.lp-feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(17, 17, 13, 0.07);
}

.lp-feature-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    border-radius: 14px;
    background: var(--color-electric-lime);
    font-size: 18px;
    font-weight: 800;
    line-height: 1;
    color: var(--color-near-black-ink);
}

.lp-feature-icon::before {
    content: attr(data-icon);
}

.lp-feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.lp-feature p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-stone-divider);
}

/* Split panel */
.lp-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.95fr);
    gap: 40px;
    align-items: center;
}

.lp-panel {
    padding: 28px;
    border-radius: 24px;
    background: var(--color-warm-white);
    border: 1px solid var(--color-border);
    box-shadow: 0 16px 40px rgba(17, 17, 13, 0.05);
}

.lp-panel-row {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}

.lp-panel-row:last-child { border-bottom: none; }

.lp-panel-row span {
    color: var(--color-stone-divider);
    font-weight: 600;
    font-size: 13px;
}

.lp-panel-row strong {
    font-weight: 600;
    line-height: 1.45;
}

/* Dark band */
.lp-band {
    padding: 80px max(20px, calc((100% - var(--page-max-width)) / 2 + 20px));
    background:
        radial-gradient(circle at 90% 0%, rgba(209, 244, 112, 0.38), transparent 36%),
        linear-gradient(135deg, #11110d 0%, #25261f 100%);
    color: #ffffff;
}

.lp-band-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
    gap: 40px;
    align-items: center;
    max-width: var(--page-max-width);
    margin: 0 auto;
}

.lp-band .lp-section-label { color: var(--color-electric-lime); }

.lp-band h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
}

.lp-band p {
    margin-top: 14px;
    font-size: 16px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.72);
    max-width: 520px;
}

.lp-style-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lp-style-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 14px;
    font-weight: 600;
}

.lp-style-swatch {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.lp-style-swatch-a { background: #ffffff; }
.lp-style-swatch-b { background: #f4f1ea; }
.lp-style-swatch-c { background: #203524; }
.lp-style-swatch-d {
    background: linear-gradient(135deg, var(--color-electric-lime), #203524);
}

/* Audience */
.lp-audience {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.lp-audience-card {
    padding: 28px 24px;
    border-radius: 22px;
    background: var(--color-pure-white);
    border: 1px solid var(--color-border);
}

.lp-audience-card strong {
    display: block;
    font-size: 18px;
    margin-bottom: 10px;
}

.lp-audience-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-stone-divider);
}

/* CTA */
.lp-cta {
    padding: 0 max(20px, calc((100% - var(--page-max-width)) / 2 + 20px)) 80px;
}

.lp-cta-box {
    max-width: var(--page-max-width);
    margin: 0 auto;
    padding: 56px 32px;
    border-radius: 28px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 0%, rgba(209, 244, 112, 0.35), transparent 55%),
        var(--color-pure-white);
    border: 1px solid var(--color-border);
    box-shadow: 0 24px 56px rgba(17, 17, 13, 0.06);
}

.lp-cta-box h2 {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.lp-cta-box p {
    max-width: 520px;
    margin: 12px auto 0;
    font-size: 15px;
    line-height: 1.65;
    color: var(--color-stone-divider);
}

.lp-cta-box .lp-hero-actions {
    justify-content: center;
    margin-top: 28px;
}

.lp-cta-box .btn-outline {
    border-color: var(--color-border);
    color: var(--color-near-black-ink);
    background: var(--color-pure-white);
}

/* Footer */
.lp-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 24px max(20px, calc((100% - var(--page-max-width)) / 2 + 20px)) 32px;
    border-top: 1px solid var(--color-border);
    font-size: 13px;
    color: var(--color-stone-divider);
}

.lp-footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--color-near-black-ink);
}

.lp-footer-brand img {
    width: 28px;
    height: 28px;
    border-radius: 8px;
}

@media (max-width: 1024px) {
    .lp-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lp-features { grid-template-columns: 1fr; }
    .lp-audience { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .lp-hero-grid,
    .lp-split,
    .lp-band-grid {
        grid-template-columns: 1fr;
    }

    .lp-hero h1 { max-width: none; }

    .lp-hero-visual {
        min-height: auto;
        margin-top: 12px;
    }
}

@media (max-width: 768px) {
    .landing-body .mobile-only { display: block; }
}

@media (max-width: 560px) {
    .lp-header { padding: 12px 16px; }
    .lp-hero { padding: 96px 16px 56px; }
    .lp-section { padding: 56px 16px; }
    .lp-band { padding: 56px 16px; }
    .lp-cta { padding: 0 16px 56px; }
    .lp-cta-box { padding: 40px 20px; }
    .lp-steps { grid-template-columns: 1fr; }
    .lp-hero-actions .btn { flex: 1 1 100%; }
    .lp-hero-stats { gap: 16px; }
}