:root {
    --bg: #0b0d10;
    --card: #11151b;
    --card2: #0f1318;
    --text: #f2f5f7;
    --muted: #aeb7c2;
    --line: rgba(255, 255, 255, .10);
    --line2: rgba(255, 255, 255, .16);
    --accent: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    --radius: 18px;
    --radius2: 14px;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Segoe UI", Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: radial-gradient(1200px 800px at 20% -10%, rgba(255, 255, 255, .08), transparent 60%),
        radial-gradient(1200px 800px at 100% 0%, rgba(255, 255, 255, .06), transparent 55%),
        var(--bg);
    color: var(--text);
    line-height: 1.7;
}

a {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

a:hover {
    opacity: .9;
}

.container {
    width: min(980px, 92vw);
    margin: 0 auto;
}

.skip {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip:focus {
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 10px 12px;
    background: #fff;
    color: #000;
    border-radius: 12px;
    z-index: 9999;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
    background: rgba(11, 13, 16, .75);
    border-bottom: 1px solid var(--line);
}

.site-header .container {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.brand__link {
    text-decoration: none;
    display: block;
}

.brand__name {
    font-weight: 800;
    letter-spacing: .2px;
    font-size: 16px;
}

.brand__tag {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}

.nav {
    display: flex;
    gap: 14px;
}

.nav a {
    text-decoration: none;
    color: var(--muted);
    font-size: 14px;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid transparent;
}

.nav a:hover {
    color: var(--text);
    border-color: var(--line2);
    background: rgba(255, 255, 255, .04);
}

.hero {
    padding: 28px 0 18px;
}

.hero--compact {
    padding: 22px 0 12px;
}

h1 {
    margin: 0 0 10px;
    font-size: clamp(24px, 4vw, 36px);
    line-height: 1.2;
}

.lead {
    margin: 0;
    color: var(--muted);
    font-size: 15.5px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.card {
    background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
    margin: 14px 0;
}

.h2 {
    margin: 0 0 8px;
    font-size: 20px;
    letter-spacing: .2px;
}

.h3 {
    margin: 0;
    font-size: 16px;
}

.muted {
    color: var(--muted);
    margin: 6px 0 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 14px;
    border: 1px solid var(--line2);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
}

.btn--primary {
    background: #fff;
    color: #000;
    border-color: #fff;
}

.btn--primary:hover {
    opacity: .92;
}

.btn--ghost {
    background: rgba(255, 255, 255, .03);
    color: var(--text);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, .06);
    border-color: rgba(255, 255, 255, .22);
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.ranklist {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rankitem {
    background: rgba(15, 19, 24, .65);
    border: 1px solid var(--line);
    border-radius: var(--radius2);
    padding: 14px;
}

.rankitem__head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.rankitem__desc {
    margin: 0 0 10px;
    color: var(--text);
}

.points {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.points li {
    margin: 4px 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 800;
    border-radius: 999px;
    border: 1px solid var(--line2);
    background: rgba(255, 255, 255, .04);
}

.badge--gold {
    border-color: rgba(255, 255, 255, .40);
}

.badge--silver {
    border-color: rgba(255, 255, 255, .28);
}

.badge--bronze {
    border-color: rgba(255, 255, 255, .22);
}

.table-wrap {
    overflow: auto;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(10, 12, 15, .5);
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.table th,
.table td {
    padding: 12px 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
    text-align: left;
}

.table th {
    color: var(--text);
    font-size: 13px;
    letter-spacing: .2px;
    background: rgba(255, 255, 255, .04);
}

.table td {
    color: var(--muted);
    font-size: 14px;
}

.steps {
    margin: 10px 0 0;
    padding-left: 18px;
}

.steps li {
    margin: 6px 0;
}

.bullets {
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--muted);
}

.note {
    margin-top: 10px;
    padding: 12px 12px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .03);
}

.note__title {
    margin: 0 0 6px;
    font-weight: 800;
}

.faq {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, .03);
    margin: 10px 0 0;
}

.faq summary {
    cursor: pointer;
    font-weight: 800;
}

.faq__body {
    color: var(--muted);
    margin-top: 8px;
}

.site-footer {
    padding: 20px 0 30px;
    margin-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--muted);
}

.footer-nav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid transparent;
}

.footer-nav a:hover {
    color: var(--text);
    border-color: var(--line2);
    background: rgba(255, 255, 255, .04);
}

.copyright {
    margin: 10px 0 0;
    font-size: 12px;
}

@media (max-width:560px) {
    .nav {
        gap: 8px;
    }

    .nav a {
        padding: 8px 8px;
        font-size: 13px;
    }

    .brand__tag {
        display: none;
    }
}