/* ===== サンクスページ ===== */
.thanks-wrap {
    max-width: 720px;
    margin: 60px auto 80px;
    padding: 0 20px;
}

.thanks-title {
    font-size: 26px;
    font-weight: 700;
    margin: 0 0 20px;
    text-align: center;
}

.thanks-lead {
    font-size: 15px;
    line-height: 1.8;
    text-align: center;
    margin: 0 0 28px;
}

.thanks-box {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px) saturate(150%);
    border-radius: 20px;
    padding: 22px 22px 20px;
    margin: 0 0 20px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow:
        0 8px 24px rgba(15, 23, 42, 0.15),
        inset 0 0 0.5px rgba(255, 255, 255, 0.9);
    text-align: center;
}

.thanks-box h2 {
    font-size: 17px;
    margin: 10px 0;
}

.thanks-box p {
    font-size: 14px;
    line-height: 1.8;
    margin: 0 0 8px;
}

.thanks-box ol,
.thanks-box ul {
    display: inline-block;
    text-align: left;
    margin: 0 auto 16px;
    padding-left: 1.8em;
}

.thanks-box ol { list-style: decimal; }
.thanks-box ul { list-style: disc; }

.thanks-box ol li,
.thanks-box ul li { margin: 0 0 4px; }

.center {
    text-align: center;
    margin-top: 24px;
}

.thanks-link {
    display: inline-block;
    font-size: 14px;
    color: #111;
    text-decoration: underline;
    opacity: 0.8;
    transition: opacity .15s ease, transform .15s ease;
}
.thanks-link:hover {
    opacity: 1;
    transform: translateY(-1px);
}

/* ===== レスポンシブ ===== */
@media (max-width: 767px) {
    .thanks-wrap { margin: 40px auto 60px; padding: 0 16px; }
    .thanks-title { font-size: 22px; }
    .thanks-lead  { font-size: 14px; }
    .thanks-box   { padding: 18px 16px 16px; }
}

/* ===== ダークモード ===== */
@media (prefers-color-scheme: dark) {
    .thanks-title,
    .thanks-lead,
    .thanks-box h2,
    .thanks-box p { color: #f5f5f5; }

    .thanks-box {
        background: rgba(0, 0, 0, 0.45);
        border-color: rgba(255, 255, 255, 0.16);
        box-shadow:
            0 10px 30px rgba(0, 0, 0, 0.6),
            inset 0 0 0.5px rgba(255, 255, 255, 0.15);
    }

    .thanks-link { color: #e0e0e0; opacity: 0.9; }
    .thanks-link:hover { opacity: 1; }
}