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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", system-ui, sans-serif;
    font-size: 17px;
    line-height: 1.47;
    color: #000000;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
}

.header {
    padding: 88px 0 44px 0;
    text-align: center;
    border-bottom: 1px solid #d2d2d7;
}

.title {
    font-size: 56px;
    font-weight: 600;
    letter-spacing: -0.005em;
    margin-bottom: 4px;
}

.subtitle {
    font-size: 21px;
    font-weight: 400;
    color: #86868b;
    margin-bottom: 32px;
}

.last-updated {
    font-size: 14px;
    color: #86868b;
    font-weight: 400;
}

.content {
    padding: 88px 0;
}

.section {
    margin-bottom: 88px;
}

.section:last-child {
    margin-bottom: 0;
}

h1 {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: 0.004em;
    margin-bottom: 32px;
    color: #000000;
}

h2 {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 0.007em;
    margin-bottom: 24px;
    color: #000000;
}

h3 {
    font-size: 21px;
    font-weight: 600;
    letter-spacing: 0.011em;
    margin-bottom: 16px;
    margin-top: 32px;
    color: #000000;
}

p {
    margin-bottom: 24px;
    font-size: 17px;
    line-height: 1.47;
    color: #000000;
}

ul {
    margin-bottom: 24px;
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
    font-size: 17px;
    line-height: 1.47;
    color: #000000;
}

strong {
    font-weight: 600;
}

a {
    color: #007aff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.intro {
    font-size: 19px;
    line-height: 1.42;
    margin-bottom: 44px;
}

.important-notice {
    background: rgba(0, 122, 255, 0.04);
    border: 1px solid rgba(0, 122, 255, 0.2);
    border-radius: 12px;
    padding: 32px;
    margin: 44px 0;
}

.important-notice p {
    font-size: 17px;
    font-weight: 500;
    margin-bottom: 0;
    text-align: center;
}

.contact-info {
    background: #f5f5f7;
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
}

.contact-info p {
    margin-bottom: 0;
    font-size: 17px;
}

@media (max-width: 734px) {
    .container {
        padding: 0 20px;
    }

    .header {
        padding: 44px 0 22px 0;
    }

    .title {
        font-size: 32px;
        margin-bottom: 8px;
    }

    .subtitle {
        font-size: 19px;
        margin-bottom: 20px;
    }

    .content {
        padding: 44px 0;
    }

    .section {
        margin-bottom: 44px;
    }

    h1 {
        font-size: 28px;
        margin-bottom: 20px;
    }

    h2 {
        font-size: 24px;
        margin-bottom: 16px;
    }

    h3 {
        font-size: 19px;
        margin-bottom: 12px;
        margin-top: 24px;
    }

    p, li {
        font-size: 16px;
    }

    .intro {
        font-size: 17px;
    }

    .important-notice {
        padding: 24px 20px;
        margin: 32px 0;
    }

    .important-notice p {
        font-size: 16px;
    }
}