/* ネオンブレイクのサポート・プライバシーページ共通スタイル。
   ゲーム本体(濃紺の地にシアンとマゼンタの発光)と同じ空気にしてある */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
    line-height: 1.9;
    color: #c9d4e8;
    background: #070a16;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 200, 255, 0.16), transparent 70%),
        radial-gradient(ellipse 60% 40% at 90% 100%, rgba(255, 60, 180, 0.10), transparent 70%);
    background-attachment: fixed;
    min-height: 100vh;
}

.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

header {
    text-align: center;
    margin-bottom: 36px;
}

h1 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: #fff;
    text-shadow: 0 0 18px rgba(0, 200, 255, 0.65), 0 0 42px rgba(0, 160, 255, 0.35);
    margin-bottom: 10px;
}

.subtitle,
.last-updated {
    font-size: 1rem;
    color: #7f8db0;
}

.card {
    background: rgba(14, 19, 38, 0.86);
    border: 1px solid rgba(90, 200, 255, 0.22);
    border-radius: 16px;
    padding: 28px 26px;
    margin-bottom: 20px;
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.45);
}

h2 {
    font-size: 1.3rem;
    color: #5cd8ff;
    margin-bottom: 14px;
}

h2:not(:first-child) {
    margin-top: 28px;
}

h3 {
    font-size: 1.05rem;
    color: #fff;
    margin: 22px 0 8px;
}

p {
    margin-bottom: 14px;
    color: #b3c0da;
}

ul {
    margin: 0 0 14px 22px;
}

li {
    margin-bottom: 8px;
    color: #b3c0da;
}

strong {
    color: #ffd76a;
    font-weight: 700;
}

a {
    color: #5cd8ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.contact-btn {
    display: inline-block;
    margin-top: 8px;
    padding: 12px 32px;
    border-radius: 30px;
    font-weight: 700;
    color: #06101f;
    background: linear-gradient(135deg, #5cd8ff, #35b6ff);
    box-shadow: 0 0 22px rgba(60, 200, 255, 0.4);
}

.contact-btn:hover {
    text-decoration: none;
    filter: brightness(1.1);
}

.lang-switch {
    text-align: right;
    margin-bottom: 18px;
}

.lang-switch a {
    display: inline-block;
    padding: 5px 16px;
    border: 1px solid rgba(90, 200, 255, 0.5);
    border-radius: 20px;
    font-size: 0.88rem;
}

.back-link {
    margin-bottom: 18px;
    font-size: 0.92rem;
}

footer {
    text-align: center;
    margin-top: 36px;
    padding-top: 20px;
    border-top: 1px solid rgba(120, 150, 200, 0.18);
    color: #64708f;
    font-size: 0.9rem;
}