*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --navy: #0d1f3c;
    --blue: #1a4080;
    --accent: #2d6fd4;
    --light: #e8f0fb;
    --gray: #f5f6f8;
    --text: #1a1a2e;
    --muted: #6b7280;
    --white: #ffffff;
    --border: #e2e8f0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
}

/* ─── HEADER ─── */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--navy);
    padding: 0 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

a {
    text-decoration: none;
    color: #FFFFFF;
}

.logo-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.logo-header .logo-icon {
    width: 2rem;
    height: 2.5rem;
    border-radius: 6px;
}

.logo-header h1 {
    font-weight: 900;
    font-size: 1.2rem;
}

.logo {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-decoration: none;
}

.logo span {
    color: #6fa8ff;
}

nav a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.85rem;
    margin-left: 32px;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--white);
}

/* ─── HERO ─── */
.hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
    color: var(--white);
    padding: 80px 48px 72px;
}

.hero-inner {
    max-width: 860px;
}

.hero-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    padding: 4px 18px;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.hero h1 .en {
    font-family: 'Inter', sans-serif;
    font-size: 0.55em;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    display: block;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.hero-sub {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
    font-weight: 300;
    max-width: 540px;
}

/* ─── SECTION ─── */
.section {
    padding: 72px 48px;
}

.section--alt {
    background: var(--gray);
}

.section-inner {
    max-width: 960px;
    margin: 0 auto;
}

.section-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 48px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.section-num {
    font-family: 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--white);
    background: var(--accent);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    flex-shrink: 0;

    padding: 1rem;
}

.section-title-wrap h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--navy);
}

.section-title-wrap p {
    font-size: 0.82rem;
    color: var(--muted);
    margin-top: 3px;
}

/* ─── CARD (横長・1行1枚) ─── */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 24px;
    display: grid;
    grid-template-columns: 280px 1fr;
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
    box-shadow: 0 8px 36px rgba(26, 64, 128, 0.10);
    transform: translateY(-2px);
}

/* サムネイル */
.card-thumb {
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    min-height: 200px;
}

.card-thumb svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* テキスト */
.card-body {
    padding: 32px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 10px;
}

.card-desc {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.85;
    margin-bottom: 20px;
}

.card-benefits-title {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.card-benefits ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
}

.card-benefits li {
    font-size: 0.8rem;
    color: var(--text);
    padding-left: 16px;
    position: relative;
}

.card-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* ─── CTA ─── */
.cta-section {
    background: var(--navy);
    color: var(--white);
    text-align: center;
    padding: 80px 48px;
}

.cta-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    font-size: 0.95rem;
}

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    font-weight: 700;
    padding: 14px 40px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.95rem;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #1a5cb8;
}

/* ─── FOOTER ─── */

.image_qr {
    border-radius: 1rem;
    overflow: hidden;
}

footer {
    background: #031a44;
    color: #fff;
    padding: 2rem
}


footer .logo {
    width: 2rem;
}

.brand .logo {
    width: 1.2rem;
    scale: 1.2;
}

footer p {
    margin: 7px 0
}

footer .muted {
    color: #c9d8ee
}

.foot-cta {
    display: grid;
    gap: 14px
}

.copy {
    text-align: center;
    color: #b7c7df;
    margin-top: 36px;
    font-size: .9rem
}


.flex-col-left {
    display: flex;
    flex-direction: column;
    align-items: start;
}


/* ─── RESPONSIVE ─── */
@media (max-width: 700px) {
    header {
        padding: 0 20px;
    }

    nav {
        display: none;
    }

    .hero,
    .section,
    .cta-section {
        padding: 2rem;
    }

    .card {
        grid-template-columns: 1fr;
    }

    .card-thumb {
        min-height: 160px;
    }

    .hero h1 {
        font-size: clamp(2rem, 5vw, 3rem);
        font-weight: 700;
        line-height: 1.2;
    }

    .section-num {
        font-size: 1.2rem;
        font-weight: 900;
        line-height: 1;
        padding: 1rem;
    }
}