:root {
    color-scheme: light;
    --hmc-ink: #1f2933;
    --hmc-muted: #607080;
    --hmc-line: #d9e2ec;
    --hmc-bg: #f6f8fb;
    --hmc-panel: #ffffff;
    --hmc-primary: #1d6f8f;
    --hmc-secondary: #487c3f;
    --hmc-warm: #a35b23;
}

* {
    box-sizing: border-box;
}

body.handover-memo-page {
    margin: 0;
    color: var(--hmc-ink);
    background: var(--hmc-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
    line-height: 1.75;
}

.hmc-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 48px;
}

.hmc-hero,
.hmc-section,
.hmc-comments {
    background: var(--hmc-panel);
    border: 1px solid var(--hmc-line);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 12px 28px rgba(31, 41, 51, 0.06);
}

.hmc-hero {
    border-top: 5px solid var(--hmc-primary);
}

.hmc-back {
    display: inline-flex;
    align-items: center;
    color: var(--hmc-primary);
    font-weight: 700;
    text-decoration: none;
    margin-bottom: 18px;
}

.hmc-back::before {
    content: "<";
    margin-right: 8px;
}

.hmc-kicker {
    margin: 0 0 8px;
    color: var(--hmc-muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.hmc-hero h1,
.hmc-section h2 {
    margin: 0;
    line-height: 1.35;
    letter-spacing: 0;
}

.hmc-hero h1 {
    font-size: clamp(1.65rem, 3vw, 2.55rem);
}

.hmc-section h2 {
    font-size: 1.45rem;
}

.hmc-lead {
    font-size: 1.08rem;
    color: #314456;
    margin: 16px 0 0;
}

.hmc-notice,
.hmc-comment-note {
    margin: 16px 0 0;
    padding: 14px 16px;
    border-left: 4px solid var(--hmc-secondary);
    background: #eef8f1;
    color: #314456;
}

.hmc-policy {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0;
}

.hmc-policy span {
    border: 1px solid var(--hmc-line);
    background: #fff;
    border-radius: 999px;
    padding: 7px 12px;
    color: var(--hmc-muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.hmc-section {
    margin-top: 18px;
}

.hmc-section-head {
    max-width: 760px;
}

.hmc-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.hmc-card {
    display: grid;
    gap: 8px;
    min-height: 180px;
    padding: 18px;
    border: 1px solid var(--hmc-line);
    border-radius: 8px;
    background: #ffffff;
    color: inherit;
    text-decoration: none;
    transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.hmc-card:hover,
.hmc-card:focus-visible {
    border-color: var(--hmc-primary);
    box-shadow: 0 12px 24px rgba(29, 111, 143, 0.14);
    transform: translateY(-2px);
    outline: none;
}

.hmc-card-label {
    color: var(--hmc-warm);
    font-size: 0.84rem;
    font-weight: 800;
}

.hmc-card strong {
    color: var(--hmc-primary);
    font-size: 1.12rem;
    line-height: 1.45;
}

.hmc-card span:last-child {
    color: var(--hmc-muted);
}

.hmc-guide ul {
    margin: 16px 0;
    padding-left: 1.35rem;
}

.hmc-guide li + li {
    margin-top: 6px;
}

.hmc-safe {
    border-top: 4px solid var(--hmc-warm);
}

.hmc-comments {
    margin-top: 18px;
}

.hmc-comments #app-comments {
    margin-top: 18px;
}

.hmc-footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 22px 0 8px;
}

.hmc-footer-nav a {
    min-height: 42px;
    padding: 10px 14px;
    border: 1px solid var(--hmc-line);
    border-radius: 8px;
    background: #ffffff;
    color: var(--hmc-primary);
    font-weight: 800;
    text-decoration: none;
}

.hmc-footer-nav a:hover,
.hmc-footer-nav a:focus-visible {
    border-color: var(--hmc-primary);
    outline: none;
}

@media (max-width: 760px) {
    .hmc-shell {
        width: min(100% - 20px, 1120px);
        padding-top: 16px;
    }

    .hmc-hero,
    .hmc-section,
    .hmc-comments {
        padding: 18px;
    }

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

    .hmc-card {
        min-height: auto;
    }
}