:root {
    --ink: #1a2332;
    --ink-soft: #4a5568;
    --paper: #faf8f5;
    --paper-warm: #f3ede4;
    --accent: #c0392b;
    --accent-soft: #e8d5d3;
    --gold: #b8860b;
    --shadow: 0 4px 24px rgba(26, 35, 50, 0.08);
    --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Source Sans 3", system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    min-height: 100vh;
}

.page {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(26, 35, 50, 0.08);
    margin-bottom: 3.5rem;
}

.logo {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    color: var(--ink);
    text-decoration: none;
}

.logo em {
    font-style: normal;
    color: var(--accent);
}

.logo-jp {
    font-family: "Noto Sans JP", sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ink-soft);
    margin-left: 0.5rem;
}

.back-link {
    font-size: 0.9rem;
    color: var(--ink-soft);
    text-decoration: none;
    transition: color 0.2s;
}

.back-link:hover { color: var(--accent); }

.hero {
    text-align: center;
    margin-bottom: 4rem;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold);
    background: rgba(184, 134, 11, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1.25rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 32rem;
    margin: 0 auto;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.card {
    background: #fff;
    border: 1px solid rgba(26, 35, 50, 0.07);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(26, 35, 50, 0.12);
}

.card-icon {
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--paper-warm);
    border-radius: 10px;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1rem;
}

.card h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card p {
    font-size: 0.95rem;
    color: var(--ink-soft);
}

.card--link {
    padding: 0;
}

.card-link {
    display: block;
    padding: 1.75rem;
    text-decoration: none;
    color: inherit;
}

.card-link:hover h2 {
    color: var(--accent);
}

.cta {
    text-align: center;
    background: var(--ink);
    color: #fff;
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    margin-bottom: 3rem;
}

.cta h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.cta p {
    color: rgba(255, 255, 255, 0.75);
    max-width: 28rem;
    margin: 0 auto 1.5rem;
    font-size: 1rem;
}

.cta a {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.cta a:hover {
    background: #a93226;
    transform: translateY(-1px);
}

footer {
    text-align: center;
    font-size: 0.85rem;
    color: var(--ink-soft);
    padding-top: 1.5rem;
    border-top: 1px solid rgba(26, 35, 50, 0.08);
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

footer a:hover { text-decoration: underline; }