: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;
    --line: rgba(255, 98, 159, 0.16);
    --footer: #30232D;
    --footer-text: #FFEAF3;
    --shadow: 0 18px 50px rgba(111, 63, 91, 0.10);
    --shadow-soft: 0 10px 28px rgba(111, 63, 91, 0.08);
    --radius-lg: 30px;
    --radius-md: 22px;
    --radius-sm: 15px;
    --max: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    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: 1.75;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; pointer-events: auto; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.skip-link {
    position: fixed;
    left: 16px;
    top: 10px;
    z-index: 1400;
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--title);
    color: #fff;
    transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
    width: 100%;
    border-bottom: 1px solid rgba(255, 98, 159, 0.10);
    background: rgba(255, 247, 251, 0.88);
    box-shadow: 0 8px 24px rgba(75, 46, 63, 0.06);
    backdrop-filter: blur(16px);
}
.nav-shell {
    width: min(calc(100% - 40px), 1260px);
    min-height: 76px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 26px;
}
.brand-mark, .footer-brand {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
}
.brand-logo { width: auto; max-width: 150px; max-height: 44px; object-fit: contain; }
.brand-text {
    font-size: 1.35rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--title);
}
.brand-text::after {
    content: "";
    display: inline-block;
    width: 9px;
    height: 9px;
    margin-left: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--purple));
}
.desktop-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    min-width: 0;
    white-space: nowrap;
}
.nav-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 0 14px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.94rem;
    font-weight: 700;
}
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active {
    color: var(--pink-dark);
    background: var(--surface-pink);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.experience-link, .primary-button, .secondary-button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 800;
    white-space: nowrap;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.experience-link, .primary-button {
    color: #fff;
    background: linear-gradient(135deg, #FF9BBC 0%, #FF629F 50%, #936BFF 100%);
    box-shadow: 0 12px 24px rgba(255, 98, 159, 0.24);
}
.experience-link:hover, .primary-button:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(255, 98, 159, 0.30); }
.secondary-button {
    color: var(--pink-dark);
    border: 1px solid var(--line);
    background: rgba(255,255,255,.82);
}
.secondary-button:hover { background: var(--surface-pink); }
.menu-trigger, .drawer-close {
    min-width: 46px;
    min-height: 46px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: var(--title);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
}
.menu-trigger { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.menu-trigger span { width: 19px; height: 2px; border-radius: 2px; background: currentColor; }
.mobile-menu-trigger { display: none; }
.menu-trigger:hover, .menu-trigger:focus-visible, .drawer-close:hover, .drawer-close:focus-visible { outline: 3px solid rgba(255,98,159,.18); }

.drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(48, 35, 45, 0.48);
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease;
}
.drawer-overlay.is-visible { opacity: 1; pointer-events: auto; }
.site-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1200;
    width: min(410px, 88vw);
    height: 100dvh;
    padding: 22px;
    overflow-y: auto;
    background: #fff;
    box-shadow: -18px 0 60px rgba(62, 36, 53, 0.18);
    transform: translateX(104%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform .22s ease, opacity .22s ease, visibility .22s ease;
}
.site-drawer.is-open { transform: translateX(0); opacity: 1; visibility: visible; pointer-events: auto; }
.drawer-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.drawer-brand { display: grid; gap: 3px; }
.drawer-brand strong { font-size: 1.3rem; color: var(--title); }
.drawer-brand span { color: var(--muted); font-size: .86rem; }
.drawer-logo { max-width: 145px; max-height: 42px; object-fit: contain; }
.drawer-close { font-size: 1.8rem; line-height: 1; flex: 0 0 auto; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-link {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--bg);
    color: var(--title);
    font-weight: 700;
}
.drawer-link:hover, .drawer-link:focus-visible, .drawer-link.is-active { background: var(--surface-pink); color: var(--pink-dark); }

main { min-height: 60vh; }
.section, .page-hero, .compact-section { position: relative; padding: 84px 0; }
.section-shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.section-soft { background: linear-gradient(180deg, rgba(255,240,246,.72), rgba(246,241,255,.58)); }
.section-white { background: rgba(255,255,255,.72); }
.eyebrow, .topic-pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 5px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--pink-dark);
    background: rgba(255,255,255,.76);
    font-size: .86rem;
    font-weight: 800;
}
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading.center { margin-inline: auto; text-align: center; }
h1, h2, h3 { color: var(--title); line-height: 1.24; margin-top: 0; }
h1 { font-size: clamp(2.55rem, 6vw, 5.65rem); letter-spacing: -0.055em; margin-bottom: 22px; }
h2 { font-size: clamp(1.8rem, 3.8vw, 3.15rem); letter-spacing: -0.035em; margin-bottom: 18px; }
h3 { font-size: 1.18rem; margin-bottom: 10px; }
p { margin: 0 0 16px; }
.lead { font-size: clamp(1.05rem, 1.7vw, 1.22rem); color: var(--muted); line-height: 1.9; }
.muted { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--pink-dark); font-weight: 800; }
.text-link::after { content: "→"; margin-left: 7px; transition: transform .18s ease; }
.text-link:hover::after { transform: translateX(4px); }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }

.hero-section { padding: 86px 0 74px; overflow: hidden; }
.hero-section::before, .hero-section::after, .page-hero::before {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(2px);
}
.hero-section::before { width: 420px; height: 420px; right: -130px; top: -100px; background: radial-gradient(circle, rgba(255,155,188,.34), transparent 68%); }
.hero-section::after { width: 340px; height: 340px; left: -160px; bottom: -100px; background: radial-gradient(circle, rgba(147,107,255,.22), transparent 68%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 54px; align-items: center; }
.hero-copy { max-width: 760px; }
.hero-copy .lead { max-width: 700px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-badges span { padding: 8px 13px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--title); font-size: .9rem; font-weight: 700; }
.hero-visual, .page-visual {
    min-height: 380px;
    display: grid;
    place-items: center;
    position: relative;
    border-radius: 34px;
    background: linear-gradient(145deg, rgba(255,255,255,.86), rgba(255,240,246,.78));
    border: 1px solid rgba(255,255,255,.85);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.hero-visual img, .page-visual img { width: 100%; height: 100%; max-height: 520px; padding: 22px; object-fit: contain; }
.visual-fallback { width: 78%; display: grid; gap: 16px; }
.visual-card { padding: 20px; border-radius: 22px; background: rgba(255,255,255,.88); box-shadow: var(--shadow-soft); }
.visual-card:nth-child(2) { transform: translateX(28px); background: var(--surface-purple); }
.visual-card strong { display: block; color: var(--title); margin-bottom: 5px; }
.visual-card span { color: var(--muted); font-size: .92rem; }

.feature-grid, .channel-grid, .topic-grid, .feedback-grid, .info-grid, .related-grid { display: grid; gap: 18px; }
.feature-grid { grid-template-columns: repeat(4, 1fr); }
.channel-grid { grid-template-columns: repeat(5, 1fr); }
.topic-grid { grid-template-columns: repeat(3, 1fr); }
.feedback-grid { grid-template-columns: repeat(3, 1fr); }
.info-grid { grid-template-columns: repeat(4, 1fr); }
.related-grid { grid-template-columns: repeat(3, 1fr); }
.card, .feature-card, .channel-card, .topic-card, .feedback-card, .info-card, .related-card {
    position: relative;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.88);
    box-shadow: var(--shadow-soft);
}
.feature-card:nth-child(even), .topic-card:nth-child(even), .info-card:nth-child(even) { background: var(--surface-purple); }
.card-icon { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 15px; color: #fff; font-weight: 900; background: linear-gradient(135deg, var(--peach), var(--pink), var(--purple)); }
.channel-card { min-height: 210px; display: flex; flex-direction: column; }
.channel-card .text-link { margin-top: auto; }
.masonry-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; grid-auto-rows: minmax(180px, auto); gap: 18px; }
.inspiration-card { padding: 28px; min-height: 220px; border-radius: 26px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft); }
.inspiration-card.large { grid-row: span 2; background: linear-gradient(160deg, #fff, var(--surface-pink)); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.tag-row span { padding: 5px 10px; border-radius: 999px; background: var(--surface-pink); color: var(--pink-dark); font-size: .82rem; font-weight: 700; }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split-layout.reverse > :first-child { order: 2; }
.image-panel { min-height: 360px; display: grid; place-items: center; border-radius: var(--radius-lg); background: linear-gradient(145deg, var(--surface-purple), var(--surface-pink)); border: 1px solid var(--line); overflow: hidden; }
.image-panel img { width: 100%; height: 100%; max-height: 520px; padding: 22px; object-fit: contain; }
.point-list { display: grid; gap: 13px; margin: 24px 0; }
.point-item { display: grid; grid-template-columns: 38px 1fr; gap: 12px; align-items: start; }
.point-item > span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 13px; color: var(--pink-dark); background: var(--surface-pink); font-weight: 900; }
.point-item p { margin: 0; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.safety-panel, .privacy-panel { padding: 32px; border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.safety-panel { background: #fff; }
.privacy-panel { background: var(--surface-purple); }

.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.9); overflow: hidden; }
summary { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 15px 20px; cursor: pointer; color: var(--title); font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--pink-dark); font-size: 1.35rem; }
details[open] summary::after { content: "−"; }
details p { padding: 0 20px 20px; margin: 0; color: var(--muted); }
.notice-box { padding: 24px 26px; border-left: 4px solid var(--pink); border-radius: 0 20px 20px 0; background: var(--surface-pink); }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 36px; border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(255,155,188,.18), rgba(147,107,255,.14)); border: 1px solid var(--line); }
.cta-band h2 { font-size: clamp(1.65rem, 3vw, 2.5rem); margin-bottom: 8px; }
.cta-band p { max-width: 720px; margin: 0; color: var(--muted); }

.page-hero { padding: 78px 0 64px; overflow: hidden; }
.page-hero::before { width: 520px; height: 520px; right: -190px; top: -230px; background: radial-gradient(circle, rgba(255,98,159,.18), transparent 68%); }
.page-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(260px, .62fr); gap: 50px; align-items: center; }
.page-hero h1 { font-size: clamp(2.5rem, 5.4vw, 4.8rem); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: .9rem; }
.breadcrumbs a { color: var(--pink-dark); font-weight: 700; }
.content-prose { max-width: 850px; }
.content-prose p { margin-bottom: 18px; }
.steps { display: grid; gap: 14px; counter-reset: step; }
.step-item { counter-increment: step; display: grid; grid-template-columns: 58px 1fr; gap: 16px; align-items: start; padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.step-item::before { content: counter(step, decimal-leading-zero); width: 50px; height: 50px; display: grid; place-items: center; border-radius: 16px; color: #fff; background: linear-gradient(135deg, var(--pink), var(--purple)); font-weight: 900; }
.timeline { position: relative; display: grid; gap: 18px; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(var(--pink), var(--purple)); }
.timeline-item { position: relative; padding: 22px; border-radius: 20px; background: #fff; border: 1px solid var(--line); }
.timeline-item::before { content: ""; position: absolute; left: -26px; top: 30px; width: 12px; height: 12px; border: 4px solid var(--bg); border-radius: 50%; background: var(--pink); }
.index-strip { display: flex; flex-wrap: wrap; gap: 10px; }
.index-strip a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 15px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--pink-dark); font-weight: 700; }

.site-footer { padding: 72px 0 34px; background: var(--footer); color: var(--footer-text); }
.footer-shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.footer-intro { max-width: 560px; margin-bottom: 38px; }
.footer-brand { min-height: 44px; color: #fff; font-size: 1.4rem; }
.footer-logo { max-width: 150px; max-height: 44px; object-fit: contain; filter: brightness(1.18); }
.footer-intro p { color: rgba(255,234,243,.76); }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; padding: 34px 0; border-top: 1px solid rgba(255,255,255,.10); border-bottom: 1px solid rgba(255,255,255,.10); }
.footer-links section { display: grid; align-content: start; gap: 7px; }
.footer-links h2 { margin-bottom: 8px; color: #fff; font-size: 1rem; }
.footer-links a { min-height: 36px; color: rgba(255,234,243,.72); }
.footer-links a:hover { color: #fff; }
.footer-note { display: flex; justify-content: space-between; gap: 28px; padding-top: 28px; color: rgba(255,234,243,.62); font-size: .9rem; }
.footer-note p { margin: 0; max-width: 720px; }
.mobile-tabbar { display: none; }

@media (max-width: 1060px) {
    .nav-shell { gap: 14px; }
    .desktop-nav { gap: 0; }
    .nav-link { padding: 0 10px; font-size: .9rem; }
    .feature-grid, .info-grid { grid-template-columns: repeat(2, 1fr); }
    .channel-grid { grid-template-columns: repeat(3, 1fr); }
    .feedback-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
    .nav-shell { width: min(calc(100% - 24px), 1260px); min-height: 66px; grid-template-columns: 46px 1fr auto; gap: 8px; }
    .mobile-menu-trigger { display: inline-flex; }
    .desktop-menu-trigger, .desktop-nav { display: none; }
    .brand-mark { justify-self: center; min-width: 0; }
    .brand-logo { max-width: 118px; max-height: 38px; }
    .brand-text { font-size: 1.13rem; }
    .experience-link { min-height: 44px; padding: 0 15px; font-size: .88rem; }
    .hero-section, .section, .page-hero, .compact-section { padding: 62px 0; }
    .hero-grid, .page-hero-grid, .split-layout { grid-template-columns: 1fr; gap: 34px; }
    .hero-copy { order: 1; }
    .hero-visual { order: 2; min-height: 300px; }
    .page-visual { min-height: 280px; }
    .split-layout.reverse > :first-child { order: initial; }
    .topic-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
    .masonry-grid { grid-template-columns: 1fr 1fr; }
    .masonry-grid .large { grid-row: auto; grid-column: span 2; }
    .dual-grid { grid-template-columns: 1fr; }
    .cta-band { align-items: flex-start; flex-direction: column; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .footer-note { flex-direction: column; }
}

@media (max-width: 560px) {
    body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
    .section-shell, .footer-shell { width: min(calc(100% - 28px), var(--max)); }
    .section, .hero-section, .page-hero, .compact-section { padding: 50px 0; }
    h1 { font-size: clamp(2.35rem, 13vw, 3.65rem); }
    h2 { font-size: clamp(1.65rem, 8vw, 2.25rem); }
    .lead { font-size: 1rem; }
    .button-row { align-items: stretch; }
    .button-row .primary-button, .button-row .secondary-button { flex: 1 1 100%; }
    .hero-badges { gap: 7px; }
    .hero-badges span { font-size: .82rem; }
    .hero-visual, .page-visual { min-height: 250px; border-radius: 26px; }
    .feature-grid, .channel-grid, .topic-grid, .feedback-grid, .info-grid, .related-grid, .masonry-grid { grid-template-columns: 1fr; }
    .masonry-grid .large { grid-column: auto; }
    .card, .feature-card, .channel-card, .topic-card, .feedback-card, .info-card, .related-card { padding: 21px; }
    .channel-card { min-height: 0; }
    .drawer-nav { grid-template-columns: 1fr; }
    .site-drawer { padding: 18px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
    .mobile-tabbar {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: calc(8px + env(safe-area-inset-bottom));
        z-index: 850;
        min-height: 62px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        padding: 7px;
        border: 1px solid rgba(255,98,159,.14);
        border-radius: 22px;
        background: rgba(255,255,255,.94);
        box-shadow: 0 16px 42px rgba(73,44,62,.18);
        backdrop-filter: blur(16px);
    }
    .mobile-tabbar a { min-height: 48px; display: grid; place-items: center; align-content: center; gap: 1px; border-radius: 15px; color: var(--muted); font-size: .76rem; font-weight: 800; }
    .mobile-tabbar a span { font-size: 1.1rem; line-height: 1; }
    .mobile-tabbar a.is-active { color: var(--pink-dark); background: var(--surface-pink); }
    .footer-note { padding-bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}