:root {
    --bg: #FFFFFF;
    --mint: #F4FBF8;
    --soft: #F7F8F8;
    --warm: #FFF9F0;
    --text: #111111;
    --muted: #62666A;
    --weak: #8A8D91;
    --line: #DDE7E4;
    --line-dark: #B4B9BB;
    --mint-accent: #EAF5F1;
    --footer: #111111;
    --footer-muted: #BFC4C5;
    --radius-lg: 24px;
    --radius-md: 18px;
    --shadow: 0 12px 36px rgba(17,17,17,.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 17px; line-height: 1.82; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; object-fit: contain; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid #7CBDAA; outline-offset: 3px; }
.skip-link { position: fixed; left: 18px; top: -80px; z-index: 10050; background: var(--text); color: #fff; padding: 10px 16px; border-radius: 10px; text-decoration: none; }
.skip-link:focus { top: 14px; }
.shell { width: min(1280px, calc(100% - 44px)); margin: 0 auto; }
.reading { max-width: 860px; }
.section { padding: 96px 0; }
.section-sm { padding: 68px 0; }
.section-mint { background: var(--mint); }
.section-soft { background: var(--soft); }
.section-warm { background: var(--warm); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 36px; }
.section-head > div { max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: var(--muted); font-size: 14px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; color: var(--text); line-height: 1.14; letter-spacing: -.025em; }
h1 { font-size: clamp(42px, 5.2vw, 64px); margin-bottom: 24px; }
h2 { font-size: clamp(30px, 3.6vw, 42px); margin-bottom: 18px; }
h3 { font-size: clamp(20px, 2.2vw, 27px); margin-bottom: 10px; }
p { margin: 0 0 1.15em; color: var(--muted); }
.lead { font-size: 19px; line-height: 1.78; max-width: 780px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--text); line-height: 1.45; }
.main-btn, .header-game-btn { display: inline-flex; align-items: center; justify-content: center; background: #111111; color: #ffffff; border: 1px solid #111111; border-radius: 999px; text-decoration: none; font-weight: 600; white-space: nowrap; transition: .25s ease; }
.main-btn { min-height: 44px; padding: 0 22px; }
.main-btn:hover, .header-game-btn:hover { background: #ffffff; color: #111111; }
.button-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { position: relative; width: 100%; max-width: 1280px; min-height: 74px; margin: 0 auto; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; }
.menu-toggle { width: 44px; height: 44px; padding: 0; border: 0; background: transparent; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 6px; cursor: pointer; }
.menu-toggle span { display: block; width: 27px; height: 2px; background: #111111; transition: .25s ease; }
.menu-toggle:hover span:nth-child(2) { width: 20px; }
.site-logo { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; align-items: center; justify-content: center; }
.site-logo img { width: auto; max-width: 150px; max-height: 48px; }
.header-game-btn { min-width: 92px; height: 42px; padding: 0 20px; font-size: 15px; }
.menu-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(17,17,17,.34); opacity: 0; transition: opacity .25s ease; }
.menu-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; inset: 0 auto 0 0; z-index: 10001; width: 430px; max-width: 88vw; background: #fff; transform: translateX(-105%); transition: transform .28s ease; display: flex; flex-direction: column; box-shadow: 18px 0 60px rgba(17,17,17,.12); overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { min-height: 82px; padding: 16px 22px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.drawer-logo img { max-width: 126px; max-height: 42px; }
.drawer-close { width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--soft); color: var(--text); font-size: 30px; cursor: pointer; }
.drawer-nav { display: flex; flex-direction: column; padding: 10px 22px 28px; }
.drawer-nav a { padding: 15px 2px; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 20px; font-weight: 650; }
.drawer-nav a:hover, .drawer-nav a.is-current { color: #347E6B; }
.drawer-foot { margin-top: auto; padding: 26px 22px 34px; border-top: 1px solid var(--line); }
.hero { padding: 82px 0 92px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: center; gap: 70px; }
.hero-copy { max-width: 650px; }
.hero-visual { position: relative; padding: 34px; background: linear-gradient(145deg, #F4FBF8 0%, #FFFFFF 52%, #FFF9F0 100%); border-radius: 32px; overflow: hidden; min-height: 520px; display: flex; align-items: center; justify-content: center; }
.hero-visual::before { content: ""; position: absolute; width: 270px; height: 270px; border-radius: 50%; background: #EAF5F1; right: -90px; top: -80px; }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-height: 540px; }
.category-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.category-scroll { display: flex; align-items: center; gap: 28px; overflow-x: auto; scrollbar-width: none; padding: 16px 0; }
.category-scroll::-webkit-scrollbar { display: none; }
.category-scroll a { position: relative; flex: 0 0 auto; color: var(--muted); text-decoration: none; font-weight: 650; padding: 6px 0; }
.category-scroll a.is-active, .category-scroll a:hover { color: var(--text); }
.category-scroll a.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -16px; height: 2px; background: var(--text); }
.feature-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 24px; }
.feature-main, .feature-side article, .game-card, .quote-card, .info-card { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.feature-main { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 520px; }
.feature-main .feature-media { background: var(--mint); min-height: 360px; display: flex; align-items: center; justify-content: center; padding: 28px; }
.feature-main .feature-copy { padding: 42px; display: flex; flex-direction: column; justify-content: center; }
.feature-side { display: grid; gap: 24px; }
.feature-side article { display: grid; grid-template-columns: 140px 1fr; align-items: center; min-height: 160px; }
.feature-side .feature-media { background: var(--soft); padding: 16px; }
.feature-side .feature-copy { padding: 20px; }
.meta { display: inline-block; color: #347E6B; font-size: 14px; font-weight: 750; margin-bottom: 8px; }
.game-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 22px; }
.game-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.game-card { transition: transform .25s ease, box-shadow .25s ease; }
.game-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.game-cover { background: var(--soft); aspect-ratio: 1 / 1; padding: 14px; display: flex; align-items: center; justify-content: center; }
.game-cover img { width: 100%; height: auto; object-fit: contain; }
.game-copy { padding: 22px; }
.game-copy p { font-size: 15px; line-height: 1.7; }
.card-actions { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 18px; }
.card-actions .main-btn { min-height: 40px; padding: 0 16px; font-size: 14px; }
.brand-banner img { width: 100%; height: auto; border-radius: 20px; }
.latest-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: stretch; }
.latest-main { background: var(--warm); border-radius: var(--radius-lg); padding: 34px; display: grid; gap: 22px; }
.latest-main img { width: 100%; max-height: 430px; }
.latest-list { border-top: 1px solid var(--line-dark); }
.latest-list article { padding: 22px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.mobile-split, .story-split, .page-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.mobile-visual, .story-visual, .page-visual { border-radius: 28px; overflow: hidden; background: rgba(255,255,255,.72); padding: 28px; }
.check-list, .plain-list { padding: 0; margin: 26px 0 0; list-style: none; }
.check-list li, .plain-list li { position: relative; padding: 12px 0 12px 32px; border-bottom: 1px solid rgba(180,185,187,.45); color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 11px; width: 22px; height: 22px; border-radius: 50%; background: var(--mint-accent); color: #347E6B; display: grid; place-items: center; font-size: 12px; font-weight: 800; }
.promo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.promo-item { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); background: #fff; }
.promo-item img { width: 100%; background: var(--soft); }
.promo-item .copy { padding: 28px; }
.news-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; }
.news-feature { padding: 34px; background: var(--mint); border-radius: var(--radius-lg); }
.news-feature img { margin-bottom: 28px; border-radius: 18px; }
.news-list { border-top: 1px solid var(--line-dark); }
.news-list article { padding: 22px 0; border-bottom: 1px solid var(--line); }
.news-list time, .news-feature time { color: var(--weak); font-size: 14px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote-card { padding: 26px; box-shadow: 0 8px 24px rgba(17,17,17,.04); }
.quote-card p { margin-bottom: 10px; color: var(--text); }
.quote-card span { color: var(--weak); font-size: 14px; }
.faq-list { max-width: 940px; border-top: 1px solid var(--line-dark); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; min-height: 76px; border: 0; background: transparent; padding: 18px 52px 18px 0; color: var(--text); font: inherit; font-size: 19px; font-weight: 700; text-align: left; position: relative; cursor: pointer; }
.faq-question::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-size: 26px; font-weight: 400; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 52px 22px 0; }
.page-hero { padding: 76px 0 74px; border-bottom: 1px solid var(--line); }
.page-hero .lead { max-width: 760px; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-card { padding: 28px; }
.info-card .number { font-size: 13px; font-weight: 800; color: #347E6B; letter-spacing: .08em; }
.content-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.content-columns .reading { max-width: none; }
.long-copy h2 { margin-top: 56px; }
.long-copy h3 { margin-top: 34px; }
.long-copy ul { color: var(--muted); padding-left: 1.2em; }
.notice { padding: 24px 28px; border-left: 4px solid #6FAF9E; background: var(--mint); border-radius: 0 16px 16px 0; }
.notice p:last-child { margin-bottom: 0; }
.timeline { border-left: 1px solid var(--line-dark); margin-left: 10px; padding-left: 28px; }
.timeline article { position: relative; padding: 0 0 30px; }
.timeline article::before { content: ""; position: absolute; width: 11px; height: 11px; border-radius: 50%; left: -34px; top: 9px; background: #347E6B; box-shadow: 0 0 0 6px #EAF5F1; }
.site-footer { background: var(--footer); color: #fff; padding: 70px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 44px; }
.site-footer h2 { color: #fff; font-size: 17px; margin-bottom: 18px; letter-spacing: 0; }
.site-footer a { display: block; color: var(--footer-muted); text-decoration: none; margin: 8px 0; font-size: 15px; }
.site-footer a:hover { color: #fff; }
.footer-brand img { max-width: 142px; max-height: 48px; margin-bottom: 22px; }
.footer-brand p, .footer-bottom p { color: var(--footer-muted); font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); margin-top: 42px; padding-top: 24px; display: flex; justify-content: space-between; gap: 28px; }
.footer-bottom p { margin-bottom: 0; }
@media (max-width: 1100px) {
    .game-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .game-grid.four { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .hero-grid, .page-hero-grid { gap: 38px; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-side { grid-template-columns: 1fr 1fr; }
    .quote-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > :last-child { grid-column: 2 / 4; }
}
@media (max-width: 860px) {
    .section { padding: 72px 0; }
    .hero { padding: 62px 0 72px; }
    .hero-grid, .mobile-split, .story-split, .page-hero-grid, .latest-grid, .news-layout, .content-columns { grid-template-columns: 1fr; }
    .hero-visual { min-height: auto; }
    .feature-main { grid-template-columns: 1fr; }
    .feature-main .feature-copy { padding: 30px; }
    .promo-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > :last-child { grid-column: auto; }
}
@media (max-width: 767px) {
    body { font-size: 16px; line-height: 1.78; }
    .shell { width: min(100% - 28px, 1280px); }
    .header-inner { min-height: 66px; padding: 0 14px; }
    .menu-toggle { width: 40px; height: 40px; }
    .menu-toggle span { width: 25px; }
    .site-logo img { max-width: 110px; max-height: 40px; }
    .header-game-btn { min-width: 78px; height: 40px; padding: 0 15px; font-size: 14px; }
    .site-drawer { width: min(88vw, 390px); }
    .hero { padding-top: 48px; }
    .hero-visual { padding: 20px; border-radius: 24px; }
    .section-head { display: block; }
    .section-head .text-link { margin-top: 8px; }
    .feature-side { grid-template-columns: 1fr; }
    .feature-side article { grid-template-columns: 120px 1fr; }
    .game-grid, .game-grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .game-copy { padding: 16px; }
    .game-copy h3 { font-size: 18px; }
    .game-copy p { font-size: 14px; }
    .card-actions { align-items: flex-start; flex-direction: column; }
    .latest-list article { grid-template-columns: 1fr; gap: 4px; }
    .quote-grid, .info-grid { grid-template-columns: 1fr; }
    .page-hero { padding: 56px 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { display: block; }
}
@media (max-width: 430px) {
    h1 { font-size: 36px; }
    h2 { font-size: 28px; }
    .header-inner { padding: 0 12px; }
    .menu-toggle { width: 38px; }
    .site-logo img { max-width: 92px; }
    .header-game-btn { min-width: 72px; height: 38px; padding: 0 12px; font-size: 13px; }
    .game-grid, .game-grid.four { gap: 10px; }
    .game-copy { padding: 13px; }
    .game-copy p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
    .card-actions .text-link { font-size: 13px; }
    .card-actions .main-btn { padding: 0 13px; }
}
@media (max-width: 390px) {
    .site-logo img { max-width: 84px; }
    .header-game-btn { min-width: 68px; padding: 0 10px; }
}
@media (max-width: 375px) {
    .header-inner { padding: 0 10px; }
    .menu-toggle { width: 36px; }
    .menu-toggle span { width: 23px; }
    .site-logo img { max-width: 76px; }
    .header-game-btn { min-width: 64px; padding: 0 9px; font-size: 12px; }
}