:root {
    --bg: #FFF7FB;
    --surface: #FFFFFF;
    --surface-pink: #FFF0F6;
    --surface-purple: #F6F1FF;
    --title: #332631;
    --text: #514451;
    --muted: #807080;
    --pink: #FF629F;
    --pink-dark: #E94D8E;
    --peach: #FF9BBC;
    --purple: #936BFF;
    --border: rgba(255, 98, 159, 0.16);
    --footer: #30232D;
    --footer-text: #FFEAF3;
    --shadow: 0 18px 50px rgba(108, 68, 94, 0.10);
    --shadow-soft: 0 10px 28px rgba(108, 68, 94, 0.08);
    --radius-lg: 28px;
    --radius-md: 20px;
    --max: 1220px;
    --header-h: 76px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; pointer-events: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { max-width: 100%; height: auto; display: block; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 3000; background: var(--title); color: #fff; padding: 10px 16px; border-radius: 12px; }
.skip-link:focus { top: 12px; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: var(--header-h);
    background: rgba(255, 247, 251, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 98, 159, 0.10);
    box-shadow: 0 8px 28px rgba(92, 55, 80, 0.06);
}
.nav-shell { max-width: 1260px; margin: 0 auto; min-height: var(--header-h); padding: 0 22px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; }
.brand-logo, .footer-logo, .drawer-brand { display: inline-flex; align-items: center; min-height: 44px; }
.brand-logo img, .footer-logo img, .drawer-brand img { object-fit: contain; }
.text-logo { display: inline-flex; align-items: center; justify-content: center; font-size: 30px; font-weight: 900; letter-spacing: -1.5px; color: var(--pink-dark); }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 8px; white-space: nowrap; min-width: 0; }
.desktop-nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 14px; font-size: 15px; color: var(--muted); font-weight: 650; }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .desktop-nav a.is-active { color: var(--pink-dark); background: rgba(255, 98, 159, 0.08); }
.desktop-nav a.is-active::after { content: ""; position: absolute; left: 30%; right: 30%; bottom: 5px; height: 3px; border-radius: 99px; background: var(--pink); pointer-events: none; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; color: #fff; background: linear-gradient(135deg, #FF9BBC 0%, #FF629F 50%, #936BFF 100%); font-weight: 750; line-height: 1; white-space: nowrap; box-shadow: 0 10px 24px rgba(233, 77, 142, 0.22); transition: transform .2s ease, box-shadow .2s ease, filter .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(233, 77, 142, 0.28); filter: saturate(1.05); }
.button:active { transform: translateY(0); }
.button-small { min-height: 42px; padding: 0 18px; font-size: 14px; }
.button-secondary { color: var(--pink-dark); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.text-link { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; color: var(--pink-dark); font-weight: 700; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after, .text-link:focus-visible::after { transform: translateX(4px); }
.menu-button { width: 44px; height: 44px; border: 0; border-radius: 14px; background: #fff; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; box-shadow: var(--shadow-soft); }
.menu-button span:not(.sr-only) { width: 18px; height: 2px; border-radius: 10px; background: var(--title); }
.mobile-menu-button { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 1490; background: rgba(48, 35, 45, .42); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .25s ease, visibility .25s ease; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 1500; width: min(410px, 88vw); height: 100dvh; overflow-y: auto; padding: 24px; background: #fff; box-shadow: -20px 0 60px rgba(48,35,45,.18); transform: translateX(104%); visibility: hidden; transition: transform .28s ease, visibility .28s ease; }
.menu-open .drawer-overlay { opacity: 1; visibility: visible; pointer-events: auto; }
.menu-open .site-drawer { transform: translateX(0); visibility: visible; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-close { width: 44px; height: 44px; border: 0; border-radius: 14px; background: var(--surface-pink); color: var(--title); font-size: 30px; line-height: 1; cursor: pointer; }
.drawer-intro { margin: 18px 0; color: var(--muted); font-size: 14px; }
.drawer-nav { display: grid; gap: 6px; }
.drawer-nav a { min-height: 48px; padding: 0 14px; border-radius: 14px; display: flex; align-items: center; justify-content: space-between; color: var(--text); }
.drawer-nav a:hover, .drawer-nav a:focus-visible, .drawer-nav a.is-active { background: var(--surface-pink); color: var(--pink-dark); }
main { min-height: 60vh; }
.page-shell { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 86px 0; position: relative; }
.section-soft { background: var(--surface-pink); }
.section-purple { background: var(--surface-purple); }
.section-tight { padding: 58px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px; padding: 7px 12px; border-radius: 999px; background: rgba(255,98,159,.10); color: var(--pink-dark); font-size: 13px; font-weight: 800; letter-spacing: .04em; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--pink); }
h1, h2, h3 { color: var(--title); line-height: 1.28; margin-top: 0; }
h1 { font-size: clamp(40px, 6vw, 76px); letter-spacing: -0.045em; }
h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.025em; }
h3 { font-size: 20px; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(18px, 2.1vw, 22px); color: var(--muted); max-width: 760px; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.hero { overflow: hidden; padding: 76px 0 72px; }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 340px; height: 340px; right: -110px; top: 80px; background: rgba(255,155,188,.23); }
.hero::after { width: 220px; height: 220px; left: -90px; bottom: -40px; background: rgba(147,107,255,.14); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr); align-items: center; gap: 54px; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy h1 span { display: block; margin-top: 10px; font-size: clamp(28px, 4vw, 48px); letter-spacing: -0.025em; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin: 30px 0; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-badges span { padding: 8px 12px; border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.76); color: var(--muted); font-size: 14px; }
.phone-visual { position: relative; min-height: 470px; display: grid; place-items: center; }
.phone-frame { position: relative; width: min(310px, 90%); aspect-ratio: 10 / 18.7; padding: 14px; border-radius: 46px; background: linear-gradient(150deg, #fff, #ffeaf4); box-shadow: 0 28px 70px rgba(108,68,94,.22); border: 1px solid rgba(255,255,255,.8); transform: rotate(4deg); }
.phone-screen { height: 100%; border-radius: 34px; overflow: hidden; background: linear-gradient(170deg, #FFF0F6 0%, #F6F1FF 56%, #fff 100%); padding: 28px 18px; }
.phone-notch { position: absolute; z-index: 2; top: 22px; left: 50%; transform: translateX(-50%); width: 92px; height: 22px; border-radius: 20px; background: #392e37; }
.visual-profile { width: 64px; height: 64px; margin: 24px auto 14px; border-radius: 50%; background: linear-gradient(135deg, var(--peach), var(--purple)); box-shadow: 0 0 0 8px rgba(255,255,255,.55); }
.visual-line { height: 10px; margin: 10px auto; border-radius: 999px; background: rgba(81,68,81,.11); }
.visual-line.wide { width: 78%; }.visual-line.mid { width: 56%; }.visual-line.short { width: 38%; }
.visual-card { margin-top: 24px; padding: 18px; border-radius: 22px; background: rgba(255,255,255,.78); box-shadow: var(--shadow-soft); }
.visual-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.visual-tags span { width: 30%; height: 28px; border-radius: 999px; background: rgba(255,98,159,.12); }
.orb { position: absolute; border-radius: 50%; pointer-events: none; }
.orb.one { width: 112px; height: 112px; left: 2%; top: 18%; background: rgba(255,155,188,.32); }
.orb.two { width: 76px; height: 76px; right: 4%; bottom: 20%; background: rgba(147,107,255,.24); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.card { position: relative; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-md); background: rgba(255,255,255,.92); box-shadow: var(--shadow-soft); }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card, .topic-card, .channel-card { transition: transform .2s ease, box-shadow .2s ease; }
.card-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 16px; background: linear-gradient(135deg, rgba(255,155,188,.25), rgba(147,107,255,.18)); color: var(--pink-dark); font-size: 20px; font-weight: 900; }
.channel-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.channel-card { padding: 22px; border-radius: 20px; border: 1px solid var(--border); background: #fff; min-height: 190px; display: flex; flex-direction: column; }
.channel-card p { color: var(--muted); font-size: 14px; flex: 1; }
.channel-card a { color: var(--pink-dark); font-weight: 750; min-height: 44px; display: inline-flex; align-items: center; }
.mosaic { display: grid; grid-template-columns: 1.2fr .8fr .8fr; grid-auto-rows: minmax(190px, auto); gap: 18px; }
.topic-card { padding: 28px; border-radius: 26px; border: 1px solid var(--border); background: #fff; overflow: hidden; }
.topic-card:nth-child(1), .topic-card:nth-child(5) { grid-row: span 2; background: linear-gradient(160deg, #fff, #fff0f6); }
.topic-card:nth-child(3) { background: linear-gradient(160deg, #fff, #f6f1ff); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.tag { display: inline-flex; align-items: center; min-height: 30px; padding: 0 10px; border-radius: 999px; background: rgba(255,98,159,.09); color: var(--pink-dark); font-size: 13px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.art-panel { min-height: 380px; position: relative; border-radius: 34px; background: linear-gradient(145deg, #FFF0F6, #F6F1FF); overflow: hidden; box-shadow: var(--shadow); }
.art-panel::before { content: ""; position: absolute; width: 220px; height: 220px; border-radius: 50%; top: 45px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, rgba(255,98,159,.75), rgba(147,107,255,.65)); }
.art-panel::after { content: "17c"; position: absolute; left: 50%; bottom: 52px; transform: translateX(-50%); font-size: 76px; font-weight: 900; color: rgba(255,255,255,.88); letter-spacing: -5px; }
.feature-list { display: grid; gap: 16px; margin: 26px 0; }
.feature-item { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: start; }
.feature-item b { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; background: var(--surface-pink); color: var(--pink-dark); }
.feature-item h3 { margin: 0 0 5px; font-size: 18px; }.feature-item p { margin: 0; color: var(--muted); }
.quote-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.quote-card { padding: 26px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.quote-card p { margin-bottom: 18px; }.quote-card span { color: var(--muted); font-size: 14px; }
.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--border); border-radius: 18px; background: #fff; overflow: clip; }
summary { min-height: 58px; padding: 16px 54px 16px 20px; display: flex; align-items: center; position: relative; cursor: pointer; list-style: none; color: var(--title); font-weight: 750; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 24px; color: var(--pink-dark); }
details[open] summary::after { content: "−"; }
details p { padding: 0 20px 20px; margin: 0; color: var(--muted); }
.notice { padding: 28px; border-radius: 24px; background: linear-gradient(135deg, rgba(255,240,246,.95), rgba(246,241,255,.95)); border: 1px solid var(--border); }
.notice h2, .notice h3 { margin-bottom: 12px; }
.notice ul, .content-list { margin: 16px 0 0; padding-left: 1.2em; }
.notice li, .content-list li { margin: 8px 0; }
.page-hero { padding: 72px 0 56px; background: radial-gradient(circle at 86% 12%, rgba(255,155,188,.24), transparent 31%), radial-gradient(circle at 6% 78%, rgba(147,107,255,.13), transparent 24%); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr); gap: 44px; align-items: center; }
.page-hero h1 { font-size: clamp(40px, 5.2vw, 66px); margin-bottom: 20px; }
.mini-visual { min-height: 290px; position: relative; border-radius: 32px; background: linear-gradient(145deg, #fff0f6, #f6f1ff); box-shadow: var(--shadow); overflow: hidden; }
.mini-visual::before { content: ""; position: absolute; width: 180px; height: 180px; left: 50%; top: 50%; transform: translate(-50%,-50%); border-radius: 34% 66% 56% 44% / 44% 40% 60% 56%; background: linear-gradient(135deg, var(--peach), var(--purple)); opacity: .8; }
.mini-visual::after { content: attr(data-mark); position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: 42px; font-weight: 900; letter-spacing: -2px; }
.number-grid { counter-reset: step; display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.number-card { counter-increment: step; padding: 24px; border-radius: 22px; background: #fff; border: 1px solid var(--border); }
.number-card::before { content: "0" counter(step); display: block; margin-bottom: 18px; color: var(--pink); font-size: 30px; font-weight: 900; }
.timeline { display: grid; gap: 18px; }
.timeline-item { display: grid; grid-template-columns: 54px 1fr; gap: 16px; align-items: start; }
.timeline-dot { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 18px; background: var(--surface-pink); color: var(--pink-dark); font-weight: 900; }
.timeline-body { padding: 22px; border: 1px solid var(--border); border-radius: 20px; background: #fff; }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 15px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--pink-dark); font-weight: 700; }
.cta-band { padding: 38px; border-radius: 30px; background: linear-gradient(135deg, #fff0f6, #f6f1ff); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.cta-band h2 { margin-bottom: 8px; }.cta-band p { margin: 0; color: var(--muted); }
.data-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 22px; overflow: hidden; box-shadow: var(--shadow-soft); }
.data-table th, .data-table td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.data-table th { background: var(--surface-pink); color: var(--title); }.data-table tr:last-child td { border-bottom: 0; }
.site-footer { background: var(--footer); color: var(--footer-text); padding: 66px 24px 26px; }
.footer-shell { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.4fr repeat(4, .8fr); gap: 38px; }
.footer-brand p { max-width: 320px; color: rgba(255,234,243,.72); }.footer-logo .text-logo { color: #fff; }
.footer-group h2 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-group a { display: block; min-height: 38px; color: rgba(255,234,243,.72); font-size: 14px; }
.footer-group a:hover, .footer-group a:focus-visible { color: #fff; }
.footer-bottom { max-width: var(--max); margin: 40px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.10); display: flex; justify-content: space-between; gap: 24px; color: rgba(255,234,243,.60); font-size: 13px; }
.footer-bottom p { margin: 0; }.footer-bottom p:first-child { max-width: 760px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
    .nav-shell { gap: 16px; padding: 0 16px; }
    .desktop-nav a { padding: 0 9px; font-size: 14px; }
    .channel-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
    .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-shell { grid-template-columns: 1.4fr repeat(2, 1fr); }
}
@media (max-width: 820px) {
    :root { --header-h: 66px; }
    .desktop-nav, .desktop-menu-button { display: none; }
    .mobile-menu-button { display: inline-flex; }
    .nav-shell { grid-template-columns: 44px 1fr auto; gap: 10px; }
    .brand-logo { justify-self: center; }
    .nav-actions .button { min-height: 40px; padding: 0 14px; }
    .hero, .page-hero { padding-top: 52px; }
    .hero-grid, .page-hero-grid, .split { grid-template-columns: 1fr; gap: 36px; }
    .hero-copy { order: 1; }.phone-visual { order: 2; min-height: 420px; }
    .page-hero-grid .mini-visual { min-height: 250px; }
    .grid-3, .quote-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .mosaic { grid-template-columns: 1fr 1fr; }.topic-card:nth-child(1), .topic-card:nth-child(5) { grid-row: auto; }
    .number-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-shell { grid-template-columns: repeat(2, minmax(0,1fr)); }.footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}
@media (max-width: 620px) {
    body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
    .page-shell { padding: 0 18px; }
    .section { padding: 64px 0; }.section-tight { padding: 44px 0; }
    h1 { font-size: 44px; }.page-hero h1 { font-size: 42px; }
    .lead { font-size: 17px; }
    .hero-actions { align-items: stretch; }.hero-actions .button, .hero-actions .text-link { width: 100%; }
    .phone-frame { width: 260px; }
    .grid-2, .grid-3, .grid-4, .quote-grid, .channel-grid, .mosaic, .number-grid { grid-template-columns: 1fr; }
    .card, .topic-card, .channel-card { padding: 22px; }
    .cta-band { padding: 28px; flex-direction: column; align-items: flex-start; }
    .cta-band .button { width: 100%; }
    .timeline-item { grid-template-columns: 44px 1fr; }.timeline-dot { width: 44px; height: 44px; border-radius: 14px; }
    .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
    .data-table thead { display: none; }.data-table tr { border-bottom: 1px solid var(--border); }.data-table td { border: 0; padding: 12px 18px; }
    .site-footer { padding-left: 18px; padding-right: 18px; }.footer-shell { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
    .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); z-index: 900; min-height: 62px; padding: 5px; display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--border); border-radius: 22px; background: rgba(255,255,255,.94); backdrop-filter: blur(16px); box-shadow: 0 12px 40px rgba(76,45,65,.18); }
    .mobile-bottom-nav a { min-height: 52px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; border-radius: 16px; color: var(--muted); font-size: 12px; font-weight: 700; }
    .mobile-bottom-nav a span { font-size: 18px; line-height: 1; }.mobile-bottom-nav a.is-active { color: var(--pink-dark); background: var(--surface-pink); }
}
@media (max-width: 390px) {
    .nav-actions .button { padding: 0 11px; font-size: 13px; }
    .brand-logo .text-logo { font-size: 27px; }
    .footer-shell { grid-template-columns: 1fr; }.footer-brand { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
