:root {
  --font-family-site: "Montserrat", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --font-family-site-zh-cn: "Montserrat", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --bg: #eaebf0;
  --surface: #ffffff;
  --surface-soft: #f4f2f8;
  --text: #424243;
  --muted: #696771;
  --primary: #8956bc;
  --primary-dark: #6d35a6;
  --primary-light: #d9c2ee;
  --action-surface: #201a39;
  --final-action-surface: #252229;
  --border: rgba(66, 66, 67, 0.12);
  --shadow: 0 24px 80px rgba(61, 44, 78, 0.12);
  --radius-lg: 36px;
  --radius-md: 24px;
  --radius-sm: 16px;
  --button-min-height: 48px;
  --button-radius: 15px;
  --button-padding-block: 12px;
  --button-padding-inline: 21px;
  --button-gap: 12px;
  --button-secondary-bg: #ffffff;
  --button-secondary-hover-bg: #f7f4fa;
  --button-outline-light-border: rgba(255,255,255,.45);
  --copy-to-action-gap: 28px;
  --section-space: 96px;
  --section-edge-space: calc(var(--section-space) / 2);
  --section-heading-gap: 40px;
  --content-section-gap: 48px;
  --footer-adjacent-space: 52px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-family-site); font-size: 16px; line-height: 1.65; text-transform: none; }

html[lang="ja"] body { font-family: var(--font-family-site); word-break: normal; line-break: strict; }

html[lang="zh-CN"] body { font-family: var(--font-family-site-zh-cn); word-break: normal; line-break: strict; }

html[lang="ja"] :where(h1, h2, h3, p, li, a, button, summary, label),
html[lang="zh-CN"] :where(h1, h2, h3, p, li, a, button, summary, label) { overflow-wrap: anywhere; }

button, a { font: inherit; }

a { color: inherit; text-decoration: none; }

button { color: inherit; }

img, video { display: block; max-width: 100%; }

.shell { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }

.section-anchor { scroll-margin-top: 116px; }

.age-bar { min-height: 30px; display: grid; place-items: center; padding: 5px 20px; background: #3e3349; color: #fff; font-size: 10px; font-weight: 700; letter-spacing: .03em; text-align: center; }

.site-header { position: sticky; top: 0; z-index: 50; padding: 12px 0; background: rgba(234,235,240,.9); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(66,66,67,.07); }

.header-inner { height: 64px; padding: 8px 10px 8px 18px; display: flex; align-items: center; gap: 34px; background: rgba(255,255,255,.88); border: 1px solid rgba(255,255,255,.9); border-radius: 22px; box-shadow: 0 8px 30px rgba(44,36,51,.07); }

.logo-link { flex: 0 0 auto; display: inline-flex; align-items: center; min-height: 44px; }

.brand-mark { display: inline-flex; align-items: center; gap: 10px; color: #29272d; font-size: 14px; font-weight: 800; letter-spacing: .045em; white-space: nowrap; }

.brand-name { white-space: nowrap; }

.brand-logo-image { width: 44px; height: auto; flex: 0 0 auto; }

.desktop-nav { display: flex; align-items: center; gap: 6px; flex: 1; }

.desktop-nav > a, .nav-group > button { min-height: 44px; padding: 0 13px; display: inline-flex; align-items: center; gap: 6px; border: 0; background: transparent; border-radius: 14px; cursor: pointer; font-size: 12px; font-weight: 700; }

.nav-chevron { position: relative; top: -1px; width: 6px; height: 6px; flex: 0 0 auto; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); }

.desktop-nav > a:hover, .nav-group > button:hover, .desktop-nav > a:focus-visible, .nav-group > button:focus-visible { background: #f0e9f7; color: var(--primary-dark); outline: none; }

.nav-group > button.is-active { background: #f0e9f7; color: var(--primary-dark); }

.nav-group { position: relative; padding-block: 10px; }

.mega-menu { position: absolute; left: 0; top: calc(100% - 2px); width: 430px; max-height: calc(100vh - 105px); padding: 18px; display: none; gap: 8px; overflow-y: auto; overscroll-behavior: contain; background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: 0 28px 80px rgba(44,31,56,.18); }

.mega-menu.is-open { display: grid; }

.compact-menu { width: 350px; }

.menu-label { margin: 0 8px 5px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }

.mega-menu a { padding: 13px 14px; display: grid; gap: 2px; border-radius: 14px; }

.mega-menu a:hover, .mega-menu a:focus-visible { background: var(--surface-soft); outline: none; }

.mega-menu a[aria-current="page"], .drawer-cards a[aria-current="page"] { background: #eee7f5; color: var(--primary-dark); }

.mega-menu strong { font-size: 14px; }

.mega-menu span { color: var(--muted); font-size: 11px; line-height: 1.45; overflow-wrap: anywhere; }

.desktop-extra-platforms { display: none; }

.desktop-extra-platforms:target { display: grid; }

.platforms-show-more, .platforms-show-less { min-height: 44px; grid-template-columns: 1fr auto; align-items: center; border-top: 1px solid var(--border); color: var(--primary-dark); font-size: 12px; font-weight: 850; }

.platforms-show-more span, .platforms-show-less span { color: inherit; font-size: 16px; }

.platforms-show-less { display: none !important; }

.desktop-extra-platforms:target ~ .platforms-show-more { display: none; }

.desktop-extra-platforms:target ~ .platforms-show-less { display: grid !important; }

.header-actions { display: flex; align-items: center; gap: 9px; }

.login-link { padding: 10px; font-size: 12px; font-weight: 700; }

.header-login-icon { width: 40px; height: 40px; display: none; place-items: center; flex: 0 0 auto; border: 1px solid #ded7e5; border-radius: 13px; background: #fff; color: var(--primary-dark); }

.header-login-icon:hover, .header-login-icon:focus-visible { background: #f0e9f7; outline: none; }

.header-login-icon svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }

.language-switcher { position: relative; flex: 0 0 auto; }

.language-trigger { width: auto; min-width: 44px; height: 44px; padding: 0 11px; display: grid; place-items: center; border: 1px solid #ded7e5; border-radius: 14px; background: #fff; color: var(--primary-dark); cursor: pointer; font-size: 11px; font-weight: 850; letter-spacing: .03em; white-space: nowrap; }

.language-menu { position: absolute; z-index: 3; top: calc(100% + 8px); right: 0; width: 132px; padding: 5px; display: grid; gap: 3px; border: 1px solid var(--border); border-radius: 14px; background: #fff; box-shadow: 0 14px 32px rgba(37,27,46,.16); }

.language-menu button { width: 100%; min-height: 44px; padding: 0 12px; display: flex; align-items: center; border: 0; border-radius: 10px; background: transparent; color: #55505a; font: inherit; font-size: 11px; font-weight: 850; cursor: pointer; }

.language-menu button:hover,
.language-menu button:focus-visible,
.language-menu button[aria-current="true"] { background: #eee8f4; color: var(--primary-dark); }

.button { min-height: var(--button-min-height); padding: var(--button-padding-block) var(--button-padding-inline); display: inline-flex; align-items: center; justify-content: center; gap: var(--button-gap); border: 1px solid var(--border); border-radius: var(--button-radius); background: var(--button-secondary-bg); color: var(--text); cursor: pointer; font-size: 12px; font-weight: 800; line-height: 1; text-align: center; transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease; }

.button:hover { box-shadow: 0 14px 30px rgba(73,48,91,.18); }

.button:active { box-shadow: 0 7px 16px rgba(73,48,91,.14); }

.button:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid rgba(137,86,188,.3); outline-offset: 3px; }

.button-primary { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 13px 26px rgba(137,86,188,.25); }

.button-primary:hover { background: var(--primary-dark); }

.button-secondary { background: var(--button-secondary-bg); color: var(--text); border-color: var(--border); }

.button-secondary:hover { background: var(--button-secondary-hover-bg); }

.button-light { background: #fff; color: var(--primary-dark); border-color: #fff; }

.button-light:hover { background: #f8f2fc; }

.button-outline-light { background: transparent; color: #fff; border-color: var(--button-outline-light-border); }

.button-outline-light:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.72); }

.button-compact { min-height: 44px; padding: 10px 16px; border-radius: 13px; }

.button:disabled, .button[aria-disabled="true"] { cursor: not-allowed; opacity: .56; box-shadow: none; }

.direction-arrow { width: 15px; height: 15px; display: inline-block; flex: 0 0 15px; overflow: visible; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.12em; }

.direction-arrow-external { width: 14px; height: 14px; flex-basis: 14px; }

.card-hover-lift { transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }

@media (hover: hover) {
  .card-hover-lift:hover { transform: translateY(-4px); border-color: #cdbbed; box-shadow: var(--shadow); }
}

.card-hover-lift:focus-visible { transform: translateY(-4px); border-color: #cdbbed; box-shadow: var(--shadow); }

.header-download { min-height: 44px; padding-inline: 18px; }

.burger { width: 46px; height: 46px; display: none; place-items: center; gap: 4px; padding: 12px; border: 0; background: #eee8f4; border-radius: 14px; }

.burger span { width: 20px; height: 2px; display: block; background: var(--text); border-radius: 2px; }

.drawer-layer { position: fixed; inset: 0; z-index: 500; display: flex; justify-content: flex-end; background: rgba(35,27,42,.48); backdrop-filter: blur(4px); }

.mobile-drawer { width: min(390px, calc(100vw - 20px)); height: 100%; display: flex; flex-direction: column; background: #f7f7f9; box-shadow: -20px 0 60px rgba(30,23,35,.2); }

.drawer-head { min-height: 76px; padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; background: #fff; border-bottom: 1px solid var(--border); }

.drawer-head-actions { display: flex; align-items: center; gap: 8px; }

.drawer-head .language-trigger { min-width: 44px; height: 44px; }

.drawer-close { width: 44px; height: 44px; }

.drawer-head .language-menu { left: 50%; right: auto; transform: translateX(-50%); }

.drawer-close { display: grid; place-items: center; border: 0; border-radius: 14px; background: #eee8f4; cursor: pointer; font-size: 28px; line-height: 1; }

.drawer-scroll { min-height: 0; flex: 1 1 auto; padding: 20px; overflow-y: auto; }

.drawer-accordion { width: 100%; min-height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 0 4px; border: 0; border-bottom: 1px solid var(--border); background: transparent; font-size: 16px; font-weight: 800; text-align: left; }

.drawer-cards { padding: 12px 0 20px; display: grid; gap: 10px; }

.drawer-cards a { min-height: 80px; padding: 16px; display: grid; align-content: center; gap: 3px; background: #fff; border: 1px solid var(--border); border-radius: 16px; }

.drawer-cards strong { font-size: 15px; }

.drawer-cards span { color: var(--primary-dark); font-size: 10px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }

.drawer-links { padding: 10px 0 18px; display: grid; }

.drawer-links a { min-height: 48px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); font-size: 14px; font-weight: 700; }

.drawer-links .drawer-platform-link { min-height: 58px; padding: 8px 0; }

.drawer-platform-copy { display: grid; gap: 2px; }

.drawer-platform-copy strong { font-size: 13px; }