:root {
    --bg: #FFF7FB;
    --surface: #FFFFFF;
    --surface-pink: #FFF0F6;
    --surface-purple: #F6F1FF;
    --text: #514451;
    --title: #332631;
    --muted: #807080;
    --pink: #FF629F;
    --deep-pink: #E94D8E;
    --peach: #FF9BBC;
    --purple: #936BFF;
    --border: rgba(255, 98, 159, 0.16);
    --footer: #30232D;
    --footer-text: #FFEAF3;
    --shadow: 0 16px 42px rgba(89, 53, 76, 0.10);
    --max: 1220px;
}
* { 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", sans-serif;
    line-height: 1.78;
    -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; pointer-events: auto; }
img { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid rgba(147, 107, 255, .34); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 999; background: var(--title); color: white; padding: 10px 16px; border-radius: 10px; transition: top .2s ease; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 90; background: rgba(255,247,251,.88); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(71, 42, 61, .06); }
.nav-shell { max-width: 1260px; min-height: 74px; margin: 0 auto; padding: 0 22px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.brand-logo, .drawer-brand, .footer-logo { color: var(--deep-pink); font-size: 32px; font-weight: 900; letter-spacing: -.06em; line-height: 1; }
.brand-logo { min-width: 72px; display: inline-flex; align-items: center; }
.brand-logo img { width: auto; max-height: 42px; }
.desktop-nav { display: flex; justify-content: center; align-items: center; gap: 7px; white-space: nowrap; }
.desktop-nav a { min-height: 44px; padding: 9px 14px; display: inline-flex; align-items: center; border-radius: 999px; font-weight: 650; color: #665766; }
.desktop-nav a:hover, .desktop-nav a.is-active { background: var(--surface-pink); color: var(--deep-pink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 22px; border-radius: 999px; color: white; font-weight: 800; background: linear-gradient(135deg, var(--peach) 0%, var(--pink) 50%, var(--purple) 100%); box-shadow: 0 12px 24px rgba(233,77,142,.20); border: 0; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 16px 28px rgba(233,77,142,.25); }
.button:active { transform: translateY(0); }
.button-small { min-height: 44px; padding: 8px 18px; }
.button-secondary { background: white; color: var(--deep-pink); border: 1px solid var(--border); box-shadow: none; }
.text-link { color: var(--deep-pink); font-weight: 800; display: inline-flex; align-items: center; min-height: 44px; }
.text-link::after { content: "→"; margin-left: 7px; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.menu-toggle { width: 44px; height: 44px; border: 1px solid var(--border); background: white; border-radius: 14px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 2px; background: var(--title); pointer-events: none; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 130; background: rgba(48,35,45,.38); opacity: 0; pointer-events: none; transition: opacity .22s ease; }
.drawer-overlay.is-visible { opacity: 1; pointer-events: auto; }
.site-drawer { position: fixed; right: 0; top: 0; bottom: 0; z-index: 140; width: min(400px, 88vw); padding: 24px; background: white; box-shadow: -20px 0 55px rgba(48,35,45,.17); transform: translateX(105%); opacity: 0; visibility: hidden; pointer-events: none; transition: transform .25s ease, opacity .25s ease, visibility .25s ease; overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); opacity: 1; visibility: visible; pointer-events: auto; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.drawer-close { width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--surface-pink); color: var(--title); font-size: 30px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 20px 0; }
.drawer-nav a { min-height: 48px; display: flex; align-items: center; padding: 10px 13px; border-radius: 14px; background: #fffafd; border: 1px solid rgba(255,98,159,.10); font-weight: 700; }
.drawer-nav a:hover { color: var(--deep-pink); background: var(--surface-pink); }
.drawer-note { margin: 10px 0 0; padding: 16px; border-radius: 16px; background: var(--surface-purple); color: var(--muted); font-size: 14px; }
main { display: block; }
.section { position: relative; padding: 84px 22px; }
.section-tight { padding-top: 56px; padding-bottom: 56px; }
.section-soft { background: var(--surface-pink); }
.section-purple { background: var(--surface-purple); }
.container { width: min(100%, var(--max)); margin: 0 auto; position: relative; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow { margin: 0 0 8px; color: var(--deep-pink); font-weight: 850; letter-spacing: .08em; font-size: 14px; }
h1, h2, h3, h4 { color: var(--title); line-height: 1.28; margin-top: 0; }
h1 { font-size: clamp(42px, 7vw, 76px); letter-spacing: -.045em; margin-bottom: 20px; }
h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -.03em; margin-bottom: 16px; }
h3 { font-size: 22px; margin-bottom: 10px; }
p { margin-top: 0; }
.lead { font-size: clamp(18px, 2.1vw, 22px); color: #5e4e5b; max-width: 770px; }
.muted { color: var(--muted); }
.hero { padding: 90px 22px 72px; overflow: hidden; }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 360px; height: 360px; right: -110px; top: 60px; background: radial-gradient(circle, rgba(255,155,188,.45), rgba(255,155,188,0)); }
.hero::after { width: 300px; height: 300px; left: -120px; bottom: -40px; background: radial-gradient(circle, rgba(147,107,255,.20), rgba(147,107,255,0)); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr); gap: 62px; align-items: center; }
.hero-copy { position: relative; z-index: 1; }
.hero-copy h1 .brand-mark { display: block; color: var(--deep-pink); font-size: 1.12em; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin: 28px 0 26px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span { padding: 9px 14px; background: rgba(255,255,255,.76); border: 1px solid var(--border); border-radius: 999px; font-size: 14px; font-weight: 750; }
.hero-visual { min-height: 440px; position: relative; display: grid; place-items: center; }
.phone-mock { width: min(320px, 82vw); min-height: 500px; padding: 18px; border-radius: 42px; background: #fff; border: 1px solid rgba(255,98,159,.18); box-shadow: 0 30px 60px rgba(78,46,66,.15); transform: rotate(2deg); }
.phone-top { width: 36%; height: 7px; margin: 2px auto 22px; border-radius: 999px; background: #eadde5; }
.phone-screen { min-height: 440px; padding: 24px; border-radius: 30px; background: linear-gradient(180deg, #fff2f8 0%, #f7f2ff 100%); overflow: hidden; }
.mock-title { font-weight: 900; color: var(--title); font-size: 21px; margin-bottom: 18px; }
.mock-card { margin-bottom: 14px; padding: 16px; border-radius: 20px; background: rgba(255,255,255,.88); box-shadow: 0 10px 24px rgba(86,54,74,.08); }
.mock-line { height: 9px; border-radius: 20px; background: #eadde6; margin: 8px 0; }
.mock-line.short { width: 62%; }
.mock-media { height: 118px; border-radius: 18px; background: linear-gradient(135deg, #ffc2d9, #d8c9ff); margin-bottom: 12px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; padding: 28px; box-shadow: 0 12px 32px rgba(77,48,67,.07); }
.card:hover { border-color: rgba(255,98,159,.30); }
.card-icon { width: 48px; height: 48px; border-radius: 16px; background: linear-gradient(135deg, #ffe0ec, #eee6ff); display: grid; place-items: center; color: var(--deep-pink); font-weight: 900; margin-bottom: 18px; }
.channel-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.channel-card { min-height: 190px; display: flex; flex-direction: column; }
.channel-card .text-link { margin-top: auto; }
.inspiration-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.inspiration-card { grid-column: span 3; min-height: 220px; display: flex; flex-direction: column; justify-content: flex-end; background: linear-gradient(155deg, #fff 0%, #fff0f6 55%, #f3edff 100%); }
.inspiration-card.wide { grid-column: span 6; }
.inspiration-card.tall { min-height: 300px; }
.tag-row { display: flex; gap: 7px; flex-wrap: wrap; margin: 12px 0; }
.tag { display: inline-flex; align-items: center; min-height: 30px; padding: 4px 10px; border-radius: 999px; background: rgba(255,98,159,.10); color: var(--deep-pink); font-size: 13px; font-weight: 700; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.copy-panel { padding: 10px 0; }
.visual-panel { min-height: 360px; border-radius: 34px; padding: 36px; background: linear-gradient(145deg, #ffd8e8, #eee4ff); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.visual-panel::before, .visual-panel::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.55); pointer-events: none; }
.visual-panel::before { width: 180px; height: 180px; right: -35px; top: -20px; }
.visual-panel::after { width: 120px; height: 120px; left: -20px; bottom: -20px; }
.visual-stack { position: relative; z-index: 1; display: grid; gap: 14px; max-width: 360px; margin: 20px auto; }
.visual-note { background: rgba(255,255,255,.88); border-radius: 20px; padding: 18px; box-shadow: 0 12px 26px rgba(74,47,65,.10); }
.visual-note:nth-child(2) { transform: translateX(28px); }
.visual-note:nth-child(3) { transform: translateX(-14px); }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.info-grid.two { grid-template-columns: repeat(2, 1fr); }
.bullet-list { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 12px; }
.bullet-list li { position: relative; padding-left: 30px; }
.bullet-list li::before { content: "✓"; position: absolute; left: 0; top: 2px; width: 21px; height: 21px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-pink); color: var(--deep-pink); font-size: 13px; font-weight: 900; }
.topic-list { display: grid; gap: 14px; }
.topic-item { padding: 22px 24px; border-radius: 20px; background: white; border: 1px solid var(--border); display: grid; grid-template-columns: 180px 1fr auto; align-items: center; gap: 22px; }
.topic-item h3, .topic-item p { margin-bottom: 0; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { padding: 34px; border-radius: 28px; background: white; border: 1px solid var(--border); box-shadow: var(--shadow); }
.feedback-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feedback-card { position: relative; padding-top: 34px; }
.feedback-card::before { content: "“"; position: absolute; top: 10px; left: 22px; color: rgba(233,77,142,.28); font-size: 58px; font-family: Georgia, serif; line-height: 1; }
.feedback-role { color: var(--deep-pink); font-weight: 800; font-size: 14px; }
.faq-list { display: grid; gap: 13px; }
details { background: white; border: 1px solid var(--border); border-radius: 18px; padding: 0 22px; }
summary { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; color: var(--title); font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; flex: 0 0 28px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--surface-pink); color: var(--deep-pink); }
details[open] summary::after { content: "−"; }
details p { padding: 0 0 20px; color: #665763; }
.notice { padding: 26px 28px; border-radius: 22px; background: linear-gradient(135deg, #fff0f6, #f4efff); border: 1px solid var(--border); }
.notice strong { color: var(--title); }
.cta-panel { padding: 44px; border-radius: 32px; color: white; background: linear-gradient(135deg, #ff9bbc 0%, #ff629f 52%, #936bff 100%); display: flex; align-items: center; justify-content: space-between; gap: 30px; box-shadow: 0 22px 48px rgba(167,75,139,.20); }
.cta-panel h2, .cta-panel p { color: white; }
.cta-panel h2 { margin-bottom: 8px; }
.cta-panel p { margin-bottom: 0; opacity: .92; }
.cta-panel .button { background: white; color: var(--deep-pink); box-shadow: none; }
.page-hero { padding: 78px 22px 52px; }
.page-hero-box { overflow: hidden; padding: 54px; border-radius: 34px; background: linear-gradient(145deg, #fff 0%, #fff0f6 62%, #f3edff 100%); border: 1px solid var(--border); position: relative; }
.page-hero-box::after { content: ""; position: absolute; width: 300px; height: 300px; right: -120px; bottom: -140px; border-radius: 50%; background: rgba(147,107,255,.12); pointer-events: none; }
.page-hero h1 { font-size: clamp(40px, 5.5vw, 64px); margin-bottom: 14px; }
.page-hero .lead { margin-bottom: 0; }
.number-grid { counter-reset: steps; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.number-card { counter-increment: steps; }
.number-card::before { content: "0" counter(steps); display: block; color: rgba(233,77,142,.42); font-size: 34px; font-weight: 900; line-height: 1; margin-bottom: 18px; }
.timeline { position: relative; display: grid; gap: 18px; }
.timeline::before { content: ""; position: absolute; left: 22px; top: 18px; bottom: 18px; width: 2px; background: linear-gradient(var(--pink), var(--purple)); }
.timeline-item { position: relative; padding: 22px 24px 22px 64px; background: white; border: 1px solid var(--border); border-radius: 20px; }
.timeline-item::before { content: ""; position: absolute; left: 15px; top: 30px; width: 16px; height: 16px; border: 5px solid var(--bg); border-radius: 50%; background: var(--deep-pink); box-shadow: 0 0 0 1px var(--border); }
.link-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.link-cloud a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 15px; border-radius: 999px; background: white; border: 1px solid var(--border); color: var(--deep-pink); font-weight: 800; }
.link-cloud a:hover { background: var(--surface-pink); }
.site-footer { background: var(--footer); color: var(--footer-text); padding: 64px 22px 24px; }
.footer-shell { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 2fr; gap: 60px; }
.footer-brand p { color: rgba(255,234,243,.76); max-width: 390px; margin-top: 20px; }
.footer-logo { color: white; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-links section { display: flex; flex-direction: column; gap: 8px; }
.footer-links h2 { color: white; font-size: 16px; margin-bottom: 8px; }
.footer-links a { color: rgba(255,234,243,.74); min-height: 32px; }
.footer-links a:hover { color: white; }
.footer-bottom { max-width: var(--max); margin: 44px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.10); display: flex; justify-content: space-between; gap: 20px; color: rgba(255,234,243,.62); font-size: 13px; }
.footer-bottom p { margin: 0; }
.mobile-quick-nav { display: none; }
@media (max-width: 1080px) {
    .desktop-nav { gap: 2px; }
    .desktop-nav a { padding-inline: 10px; font-size: 14px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .channel-grid { grid-template-columns: repeat(3, 1fr); }
    .inspiration-card { grid-column: span 4; }
    .inspiration-card.wide { grid-column: span 8; }
    .footer-shell { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
    .nav-shell { min-height: 66px; grid-template-columns: 44px 1fr auto; gap: 12px; padding-inline: 14px; }
    .mobile-menu-toggle { display: inline-flex; }
    .desktop-menu-toggle, .desktop-nav { display: none; }
    .brand-logo { justify-self: center; min-width: 0; font-size: 29px; }
    .nav-actions .button { min-height: 44px; padding: 8px 14px; font-size: 14px; }
    .hero { padding-top: 62px; }
    .hero-grid, .split { grid-template-columns: 1fr; gap: 36px; }
    .hero-visual { min-height: auto; }
    .phone-mock { min-height: 430px; transform: none; }
    .phone-screen { min-height: 370px; }
    .info-grid, .feedback-grid, .number-grid { grid-template-columns: repeat(2, 1fr); }
    .security-grid { grid-template-columns: 1fr; }
    .topic-item { grid-template-columns: 1fr; gap: 10px; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .cta-panel { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 600px) {
    body { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
    .section { padding: 64px 16px; }
    .section-tight { padding-top: 44px; padding-bottom: 44px; }
    .hero { padding: 54px 16px 58px; }
    h1 { font-size: 46px; }
    h2 { font-size: 32px; }
    .lead { font-size: 17px; }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .hero-actions .button, .hero-actions .text-link { width: 100%; justify-content: center; }
    .hero-points { display: grid; grid-template-columns: 1fr; }
    .phone-mock { width: min(100%, 320px); }
    .feature-grid, .channel-grid, .info-grid, .info-grid.two, .feedback-grid, .number-grid { grid-template-columns: 1fr; }
    .inspiration-grid { grid-template-columns: 1fr; }
    .inspiration-card, .inspiration-card.wide { grid-column: auto; min-height: 210px; }
    .visual-panel { min-height: 310px; padding: 24px 18px; }
    .visual-note:nth-child(n) { transform: none; }
    .card { padding: 23px; border-radius: 21px; }
    .page-hero { padding: 52px 16px 34px; }
    .page-hero-box { padding: 34px 23px; border-radius: 26px; }
    .page-hero h1 { font-size: 40px; }
    .cta-panel { padding: 30px 24px; border-radius: 25px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .site-footer { padding: 52px 18px 28px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 30px 18px; }
    .footer-bottom { flex-direction: column; }
    .mobile-quick-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 80; min-height: 68px; padding: 7px 8px calc(7px + env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255,255,255,.94); backdrop-filter: blur(16px); border-top: 1px solid var(--border); box-shadow: 0 -8px 26px rgba(65,38,55,.08); }
    .mobile-quick-nav a { min-height: 54px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; border-radius: 14px; color: var(--muted); font-size: 12px; font-weight: 750; }
    .mobile-quick-nav a span { font-size: 18px; line-height: 1; }
    .mobile-quick-nav a.is-active { color: var(--deep-pink); background: var(--surface-pink); }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}