:root {
    color-scheme: light;
    --ink: #142a3b;
    --muted: #526171;
    --accent: #006b6b;
    --line: #dce4e9;
    --paper: #fff;
    --wash: #f3f7f9;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.7;
}
a {
    color: var(--accent);
    text-underline-offset: 4px;
}
a:hover {
    text-decoration-thickness: 2px;
}
a:focus-visible {
    outline: 3px solid #168baf;
    outline-offset: 5px;
    border-radius: 2px;
}
.skip {
    position: absolute;
    top: -100px;
    left: 16px;
    background: #fff;
    padding: 12px;
    z-index: 2;
}
.skip:focus {
    top: 12px;
}
.wrap {
    width: min(100% - 64px, 1000px);
    margin-inline: auto;
}
header {
    border-bottom: 1px solid var(--line);
}
.header-row {
    min-height: 96px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 13px;
    color: var(--ink);
    text-decoration: none;
    font-weight: 650;
    line-height: 1.35;
}
.mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: none;
    background: var(--ink);
    color: white;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -1px;
}
nav {
    display: flex;
    gap: 26px;
    font-size: 15px;
    flex: none;
}
nav a {
    text-decoration: none;
    color: var(--muted);
}
nav a[aria-current="page"] {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-decoration-thickness: 2px;
    text-underline-offset: 8px;
}
.home {
    padding: 72px 0 80px;
}
.eyebrow {
    font-size: 13px;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    font-weight: 650;
    color: var(--accent);
    margin: 0 0 22px;
}
h1 {
    font-size: clamp(2.5rem, 5vw, 3.7rem);
    line-height: 1.12;
    font-weight: 650;
    letter-spacing: -0.045em;
    max-width: 750px;
    margin: 0 0 26px;
}
.intro {
    font-size: 20px;
    line-height: 1.65;
    color: var(--muted);
    max-width: 680px;
    margin: 0 0 32px;
}
.policy-link {
    display: inline-block;
    font-weight: 600;
}
.details {
    margin-top: 64px;
    border-top: 1px solid var(--line);
}
.detail {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 48px;
    padding: 29px 0;
    border-bottom: 1px solid var(--line);
}
h2 {
    font-size: 19px;
    line-height: 1.5;
    margin: 0;
    font-weight: 650;
}
.detail p {
    margin: 0;
    color: var(--muted);
}
footer {
    background: var(--wash);
    border-top: 1px solid var(--line);
    padding: 27px 0;
    color: var(--muted);
    font-size: 14px;
}
.footer-row {
    display: flex;
    justify-content: space-between;
    gap: 22px;
    flex-wrap: wrap;
}
.footer-row p {
    margin: 0;
}
.policy {
    max-width: 760px;
    margin-inline: auto;
    padding: 60px 0 80px;
}
.policy h1 {
    font-size: clamp(2.5rem, 6vw, 3.3rem);
}
.policy .date {
    font-size: 14px;
    color: var(--muted);
    margin: 0 0 32px;
}
.policy section {
    margin-top: 34px;
}
.policy h2 {
    margin-bottom: 12px;
}
.policy p,
.policy li {
    color: var(--muted);
}
.policy p {
    margin: 0 0 16px;
}
.policy ul,
.policy ol {
    padding-left: 23px;
}
.policy li {
    padding-left: 4px;
    margin: 8px 0;
}
.policy .lead {
    font-size: 18px;
}
.policy strong {
    color: var(--ink);
    font-weight: 600;
}
.notice {
    padding: 20px 24px;
    background: var(--wash);
    border-left: 3px solid var(--accent);
    margin: 30px 0;
}
.notice p:last-child {
    margin-bottom: 0;
}
@media (max-width: 640px) {
    .wrap {
        width: calc(100% - 40px);
    }
    .header-row {
        min-height: 108px;
        align-items: flex-start;
        justify-content: center;
        flex-direction: column;
        gap: 17px;
        padding: 20px 0;
    }
    .brand {
        font-size: 15px;
    }
    nav {
        gap: 24px;
    }
    .home {
        padding: 46px 0 56px;
    }
    .intro {
        font-size: 18px;
    }
    .details {
        margin-top: 44px;
    }
    .detail {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 25px 0;
    }
    .policy {
        padding: 42px 0 56px;
    }
    .policy h1 {
        letter-spacing: -0.035em;
    }
    .notice {
        padding: 18px;
    }
    .footer-row {
        gap: 10px;
    }
}
@media (prefers-reduced-motion: no-preference) {
    a {
        transition: color 0.15s ease;
    }
}