:root {
    --page: #FFF8FB;
    --surface: #FFFFFF;
    --pink-soft: #FFF0F6;
    --purple-soft: #F7F3FF;
    --gray-pink: #F8F4F6;
    --title: #32262D;
    --text: #51444C;
    --muted: #7C6D76;
    --soft: #A09199;
    --pink: #FF5D9E;
    --berry: #D94C83;
    --coral: #FF8EAC;
    --purple: #8C76E8;
    --purple-deep: #6753B5;
    --border: rgba(255, 93, 158, 0.15);
    --shadow: 0 14px 36px rgba(76, 48, 66, 0.08);
    --shadow-strong: 0 18px 46px rgba(217, 76, 131, 0.15);
    --gradient: linear-gradient(135deg, #FF8EAC 0%, #FF5D9E 52%, #8C76E8 100%);
    --footer: #30242B;
    --footer-text: #FFEAF2;
    --shell: 1200px;
    --notice-height: 34px;
    --nav-height: 76px;
    --header-height: 110px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--page);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}

body.menu-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

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

a:hover {
    color: var(--berry);
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    color: inherit;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
    outline: 3px solid rgba(140, 118, 232, 0.45);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: 12px;
    z-index: 3000;
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--title);
    color: #fff;
    transform: translateY(-160%);
    transition: transform .2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.shell {
    width: min(calc(100% - 40px), var(--shell));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
}

.notice-bar {
    min-height: var(--notice-height);
    background: linear-gradient(90deg, #FFF1F6, #F7F3FF);
    border-bottom: 1px solid rgba(255, 93, 158, 0.10);
}

.notice-bar__inner {
    min-height: var(--notice-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.notice-bar p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.3;
}

.notice-links {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 13px;
    color: var(--muted);
}

.main-nav {
    min-height: var(--nav-height);
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(255, 93, 158, 0.10);
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 24px rgba(50, 38, 45, 0.04);
}

.nav-desktop {
    min-height: var(--nav-height);
    display: grid;
    grid-template-columns: minmax(170px, 1fr) auto minmax(240px, 1fr);
    align-items: center;
    gap: 24px;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    width: fit-content;
    position: relative;
    z-index: 2;
}

.brand-logo {
    width: auto;
    max-width: 168px;
    max-height: 48px;
    object-fit: contain;
}

.brand-text {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: clamp(23px, 2vw, 30px);
    font-weight: 850;
    letter-spacing: -0.04em;
    color: var(--title);
}

.brand-text::after {
    content: "";
    width: 9px;
    height: 9px;
    margin-left: 5px;
    border-radius: 50%;
    background: var(--gradient);
    box-shadow: 0 0 0 5px rgba(255, 93, 158, 0.10);
    pointer-events: none;
}

.primary-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(16px, 2.4vw, 34px);
    white-space: nowrap;
}

.primary-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--muted);
    font-weight: 700;
    font-size: 15px;
}

.primary-links a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 3px;
    width: 18px;
    height: 3px;
    border-radius: 999px;
    background: var(--gradient);
    opacity: 0;
    transform: translateX(-50%) scaleX(.3);
    transition: opacity .2s ease, transform .2s ease;
    pointer-events: none;
}

.primary-links a:hover,
.primary-links a.is-current {
    color: var(--title);
}

.primary-links a:hover::after,
.primary-links a.is-current::after {
    opacity: 1;
    transform: translateX(-50%) scaleX(1);
}

.nav-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 800;
    line-height: 1.15;
    white-space: nowrap;
    position: relative;
    z-index: 1;
    transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.button::before,
.button::after {
    pointer-events: none;
}

.button:hover {
    transform: translateY(-2px);
}

.button-small {
    min-height: 44px;
    padding: 10px 18px;
    font-size: 14px;
}

.button-primary {
    color: #fff;
    background: var(--gradient);
    box-shadow: 0 10px 24px rgba(217, 76, 131, 0.22);
}

.button-primary:hover {
    color: #fff;
    box-shadow: var(--shadow-strong);
}

.button-quiet {
    color: var(--title);
    background: #fff;
    border-color: var(--border);
}

.button-quiet:hover {
    background: var(--pink-soft);
}

.text-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--berry);
    font-weight: 800;
}

.text-link::after {
    content: "→";
    margin-left: 7px;
    transition: transform .2s ease;
}

.text-link:hover::after {
    transform: translateX(4px);
}

.nav-mobile {
    display: none;
}

.desktop-panel-backdrop,
.mobile-sheet-backdrop {
    position: fixed;
    inset: 0;
    z-index: 980;
    background: rgba(48, 36, 43, .34);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .22s ease, visibility .22s ease;
}

.desktop-panel-backdrop.is-visible,
.mobile-sheet-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.desktop-channel-panel {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    z-index: 1000;
    max-height: calc(100vh - var(--header-height) - 20px);
    overflow-y: auto;
    padding: 20px 0 26px;
    background: rgba(255, 255, 255, .985);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 50px rgba(50, 38, 45, .15);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-14px);
    transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
}

.desktop-channel-panel.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.channel-panel-heading,
.sheet-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.channel-panel-heading {
    margin-bottom: 18px;
}

.channel-panel-heading h2 {
    margin: 2px 0 0;
    color: var(--title);
    font-size: clamp(22px, 2.6vw, 32px);
    line-height: 1.25;
}

.eyebrow {
    margin: 0;
    color: var(--berry);
    font-size: 13px;
    font-weight: 850;
    letter-spacing: .12em;
}

.panel-close {
    min-width: 64px;
    min-height: 44px;
    padding: 8px 15px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #fff;
    cursor: pointer;
    font-weight: 800;
}

.channel-groups {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.channel-group {
    padding: 16px;
    border-radius: 22px;
    background: var(--gray-pink);
    border: 1px solid rgba(255, 93, 158, .08);
}

.channel-group:nth-child(even) {
    background: var(--purple-soft);
}

.channel-group h3 {
    margin: 0 0 10px;
    color: var(--title);
    font-size: 15px;
}

.channel-card {
    display: block;
    min-height: 66px;
    padding: 10px 11px;
    margin-top: 5px;
    border-radius: 14px;
    background: rgba(255,255,255,.72);
    border: 1px solid transparent;
}

.channel-card strong,
.channel-card span {
    display: block;
}

.channel-card strong {
    color: var(--title);
    font-size: 14px;
}

.channel-card span {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.channel-card:hover,
.channel-card.is-current {
    border-color: rgba(255, 93, 158, .22);
    background: #fff;
    box-shadow: 0 9px 20px rgba(76, 48, 66, .07);
}

.mobile-channel-sheet {
    display: none;
}

main {
    display: block;
}

.section {
    padding: clamp(64px, 8vw, 112px) 0;
}

.section-tight {
    padding: clamp(44px, 6vw, 78px) 0;
}

.section-soft {
    background: var(--pink-soft);
}

.section-purple {
    background: var(--purple-soft);
}

.section-white {
    background: var(--surface);
}

.section-header {
    max-width: 760px;
    margin-bottom: clamp(28px, 4vw, 48px);
}

.section-header.centered {
    margin-inline: auto;
    text-align: center;
}

.section-kicker {
    margin: 0 0 8px;
    color: var(--berry);
    font-weight: 850;
    font-size: 14px;
    letter-spacing: .08em;
}

.section-title {
    margin: 0;
    color: var(--title);
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.18;
    letter-spacing: -0.035em;
}

.section-lead {
    margin: 15px 0 0;
    color: var(--muted);
    font-size: clamp(16px, 1.5vw, 18px);
    line-height: 1.85;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: clamp(56px, 7vw, 96px) 0 clamp(50px, 6vw, 82px);
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    pointer-events: none;
}

.hero::before {
    width: 420px;
    height: 420px;
    top: -170px;
    right: -150px;
    background: radial-gradient(circle, rgba(255, 142, 172, .28), rgba(255, 142, 172, 0) 68%);
}

.hero::after {
    width: 360px;
    height: 360px;
    left: -180px;
    bottom: -180px;
    background: radial-gradient(circle, rgba(140, 118, 232, .18), rgba(140, 118, 232, 0) 68%);
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(250px, .72fr) minmax(250px, .72fr);
    gap: clamp(22px, 3vw, 38px);
    align-items: center;
}

.hero-copy {
    padding: 18px 0;
}

.hero-brand {
    margin: 0 0 12px;
    color: var(--berry);
    font-weight: 900;
    letter-spacing: .1em;
}

.hero h1 {
    margin: 0;
    max-width: 650px;
    color: var(--title);
    font-size: clamp(46px, 6.5vw, 86px);
    line-height: .98;
    letter-spacing: -0.065em;
}

.hero-copy > p:not(.hero-brand) {
    max-width: 660px;
    margin: 24px 0 0;
    color: var(--muted);
    font-size: clamp(16px, 1.5vw, 18px);
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px 20px;
    margin-top: 30px;
}

.hero-visual {
    min-height: 470px;
}

.hero-phone {
    position: relative;
    padding: 16px;
    border-radius: 42px;
    background: linear-gradient(160deg, #fff, #FFF1F6 55%, #F7F3FF);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-strong);
    transform: rotate(2deg);
}

.hero-phone::before {
    content: "";
    display: block;
    width: 74px;
    height: 7px;
    margin: 0 auto 12px;
    border-radius: 999px;
    background: rgba(50, 38, 45, .15);
    pointer-events: none;
}

.hero-phone .media-frame {
    min-height: 420px;
    border-radius: 28px;
}

.hero-side {
    display: grid;
    gap: 18px;
}

.note-card {
    padding: 24px;
    border-radius: 24px;
    background: rgba(255,255,255,.88);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.note-card:nth-child(2) {
    background: var(--purple-soft);
}

.note-card .note-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 14px;
    border-radius: 15px;
    background: var(--gradient);
    color: #fff;
    font-weight: 900;
}

.note-card h2,
.note-card h3 {
    margin: 0;
    color: var(--title);
    font-size: 20px;
    line-height: 1.35;
}

.note-card p {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
}

.media-frame {
    margin: 0;
    overflow: hidden;
    border-radius: 24px;
    background: linear-gradient(145deg, #FFEAF2, #F2ECFF);
    border: 1px solid rgba(255, 93, 158, .12);
    aspect-ratio: 4 / 3;
}

.media-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-fallback {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 220px;
    color: var(--title);
    text-align: center;
    isolation: isolate;
}

.media-fallback::before,
.media-fallback::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.media-fallback::before {
    width: 54%;
    aspect-ratio: 1;
    top: -15%;
    right: -10%;
    background: rgba(255, 93, 158, .20);
}

.media-fallback::after {
    width: 38%;
    aspect-ratio: 1;
    bottom: -10%;
    left: -7%;
    background: rgba(140, 118, 232, .18);
}

.media-fallback span {
    max-width: 70%;
    padding: 14px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,.82);
    box-shadow: var(--shadow);
    font-weight: 850;
}

.topic-strip {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(165px, 1fr);
    gap: 14px;
    overflow-x: auto;
    padding: 3px 3px 16px;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
}

.topic-chip {
    min-width: 0;
    padding: 18px;
    border-radius: 19px;
    background: #fff;
    border: 1px solid var(--border);
    scroll-snap-align: start;
}

.topic-chip:nth-child(3n+2) {
    background: var(--purple-soft);
}

.topic-chip:nth-child(3n) {
    background: var(--pink-soft);
}

.topic-chip h3 {
    margin: 0;
    color: var(--title);
    font-size: 16px;
}

.topic-chip p {
    margin: 7px 0 4px;
    min-height: 47px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.topic-chip a {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    color: var(--berry);
    font-size: 13px;
    font-weight: 800;
}

.magazine-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) repeat(2, minmax(0, .78fr));
    grid-template-areas:
        "main small1 small2"
        "main small3 small4";
    gap: 20px;
}

.magazine-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    border-radius: 24px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.magazine-card:nth-child(1) { grid-area: main; }
.magazine-card:nth-child(2) { grid-area: small1; }
.magazine-card:nth-child(3) { grid-area: small2; }
.magazine-card:nth-child(4) { grid-area: small3; }
.magazine-card:nth-child(5) { grid-area: small4; }

.magazine-card .media-frame {
    border: 0;
    border-radius: 0;
    aspect-ratio: 16 / 10;
}

.magazine-card:nth-child(1) .media-frame {
    aspect-ratio: 16 / 12;
}

.card-body {
    padding: 20px;
}

.magazine-card:nth-child(1) .card-body {
    padding: 28px;
}

.card-body h3 {
    margin: 0;
    color: var(--title);
    font-size: clamp(19px, 2vw, 27px);
    line-height: 1.35;
}

.card-body p {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 14px;
}

.tag {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--pink-soft);
    color: var(--berry);
    font-size: 12px;
    font-weight: 800;
}

.card-link {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    margin-top: 9px;
    color: var(--purple-deep);
    font-weight: 800;
    font-size: 13px;
}

.card-link::after {
    content: "↗";
    margin-left: 5px;
}

.grid-2,
.grid-3,
.grid-4,
.grid-6 {
    display: grid;
    gap: 20px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.info-card,
.circle-card,
.feedback-card,
.service-card,
.faq-card,
.guide-card,
.rule-card {
    min-width: 0;
    padding: 24px;
    border-radius: 22px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.info-card h3,
.circle-card h3,
.feedback-card h3,
.service-card h3,
.guide-card h3,
.rule-card h3 {
    margin: 0;
    color: var(--title);
    font-size: 20px;
    line-height: 1.4;
}

.info-card p,
.circle-card p,
.feedback-card p,
.service-card p,
.guide-card p,
.rule-card p {
    margin: 10px 0 0;
    color: var(--muted);
}

.circle-card {
    position: relative;
    overflow: hidden;
}

.circle-card::after {
    content: "";
    position: absolute;
    width: 110px;
    height: 110px;
    right: -45px;
    top: -45px;
    border-radius: 50%;
    background: rgba(255, 142, 172, .16);
    pointer-events: none;
}

.circle-card .circle-label {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 4px 10px;
    margin-bottom: 14px;
    border-radius: 999px;
    background: var(--purple-soft);
    color: var(--purple-deep);
    font-size: 12px;
    font-weight: 850;
}

.circle-card .circle-note {
    padding-top: 12px;
    margin-top: 14px;
    border-top: 1px dashed rgba(124, 109, 118, .22);
    color: var(--text);
    font-size: 13px;
}

.timeline {
    position: relative;
    display: grid;
    gap: 18px;
    max-width: 980px;
    margin: 0 auto;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 16px;
    bottom: 16px;
    left: 22px;
    width: 2px;
    background: linear-gradient(var(--coral), var(--purple));
    pointer-events: none;
}

.timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 18px;
}

.timeline-dot {
    position: relative;
    z-index: 1;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #fff;
    border: 4px solid var(--pink-soft);
    color: var(--berry);
    font-weight: 900;
    box-shadow: var(--shadow);
}

.timeline-content {
    padding: 20px 24px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--border);
}

.timeline-content h3 {
    margin: 0;
    color: var(--title);
    font-size: 19px;
}

.timeline-content p {
    margin: 8px 0 0;
    color: var(--muted);
}

.timeline-content .notice {
    margin-top: 10px;
    color: var(--text);
    font-size: 13px;
}

.discussion-list {
    display: grid;
    gap: 14px;
    counter-reset: topic;
}

.discussion-item {
    counter-increment: topic;
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
    padding: 22px 24px;
    border-radius: 22px;
    background: #fff;
    border: 1px solid var(--border);
}

.discussion-item::before {
    content: counter(topic, decimal-leading-zero);
    color: var(--coral);
    font-size: 30px;
    line-height: 1;
    font-weight: 900;
}

.discussion-item h3 {
    margin: 0;
    color: var(--title);
    font-size: 20px;
}

.discussion-item p {
    margin: 7px 0 0;
    color: var(--muted);
}

.feature-split,
.article-split,
.security-split,
.app-feature,
.brand-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(28px, 5vw, 70px);
    align-items: center;
}

.feature-copy h2,
.article-copy h2,
.app-copy h2,
.brand-copy h2 {
    margin: 0;
    color: var(--title);
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.2;
}

.feature-copy p,
.article-copy p,
.app-copy p,
.brand-copy p {
    color: var(--muted);
}

.record-prompts {
    display: grid;
    gap: 12px;
    margin-top: 22px;
}

.record-prompt {
    padding: 17px 18px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--title);
    font-weight: 800;
}

.app-panel {
    position: relative;
    overflow: hidden;
    padding: clamp(30px, 5vw, 58px);
    border-radius: 32px;
    background: linear-gradient(135deg, #FFF0F6 0%, #FFFFFF 48%, #F2EDFF 100%);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-strong);
}

.app-panel::before {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    right: -100px;
    bottom: -120px;
    border-radius: 50%;
    background: rgba(140, 118, 232, .13);
    pointer-events: none;
}

.app-services {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
}

.app-service {
    padding: 17px;
    border-radius: 16px;
    background: rgba(255,255,255,.84);
    border: 1px solid rgba(255,93,158,.10);
}

.app-service strong {
    display: block;
    color: var(--title);
}

.app-service span {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.advice-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.advice-card {
    padding: 24px;
    border-radius: 22px;
    background: #fff;
    border-top: 4px solid var(--coral);
    box-shadow: var(--shadow);
}

.advice-card:nth-child(2) { border-top-color: var(--pink); }
.advice-card:nth-child(3) { border-top-color: var(--purple); }
.advice-card:nth-child(4) { border-top-color: var(--berry); }

.advice-card h3 {
    margin: 0;
    color: var(--title);
    font-size: 19px;
}

.advice-card p {
    margin: 10px 0 0;
    color: var(--muted);
}

.security-box {
    min-height: 100%;
    padding: clamp(26px, 4vw, 42px);
    border-radius: 28px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.security-box:nth-child(2) {
    background: var(--purple-soft);
}

.security-box h2 {
    margin: 0;
    color: var(--title);
    font-size: 30px;
}

.check-list {
    display: grid;
    gap: 10px;
    margin: 18px 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 28px;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--berry);
    font-weight: 900;
}

.feedback-card {
    background: linear-gradient(150deg, #fff, #FFF8FB);
}

.feedback-card::before {
    content: "“";
    display: block;
    height: 34px;
    color: rgba(255, 93, 158, .28);
    font-size: 52px;
    line-height: .8;
    font-weight: 900;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-list details {
    overflow: hidden;
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(76, 48, 66, .05);
}

.faq-list summary {
    cursor: pointer;
    list-style: none;
    position: relative;
    min-height: 58px;
    padding: 18px 54px 18px 20px;
    color: var(--title);
    font-weight: 850;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--berry);
    font-size: 24px;
    pointer-events: none;
}

.faq-list details[open] summary::after {
    content: "−";
}

.faq-answer {
    padding: 0 20px 20px;
    color: var(--muted);
}

.faq-answer p {
    margin: 0;
}

.page-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(52px, 7vw, 88px) 0;
    background: linear-gradient(135deg, #FFF0F6 0%, #FFF 48%, #F7F3FF 100%);
    border-bottom: 1px solid var(--border);
}

.page-hero::after {
    content: "";
    position: absolute;
    width: 340px;
    height: 340px;
    right: -120px;
    top: -150px;
    border-radius: 50%;
    background: rgba(255, 142, 172, .15);
    pointer-events: none;
}

.page-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 880px;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 13px;
}

.breadcrumbs span {
    color: var(--soft);
}

.page-hero h1 {
    margin: 0;
    color: var(--title);
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1.06;
    letter-spacing: -0.055em;
}

.page-hero p {
    max-width: 800px;
    margin: 20px 0 0;
    color: var(--muted);
    font-size: clamp(16px, 1.7vw, 19px);
    line-height: 1.9;
}

.quick-index {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 18px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.quick-index a {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--gray-pink);
    color: var(--title);
    font-weight: 750;
    font-size: 14px;
}

.quick-index a:hover {
    background: var(--pink-soft);
    color: var(--berry);
}

.content-stack {
    display: grid;
    gap: 22px;
}

.content-article {
    padding: clamp(24px, 4vw, 38px);
    border-radius: 26px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.content-article:nth-child(even) {
    background: linear-gradient(145deg, #fff, #FFF8FB);
}

.content-article h2 {
    margin: 0;
    color: var(--title);
    font-size: clamp(25px, 3vw, 34px);
    line-height: 1.3;
}

.content-article h3 {
    margin: 22px 0 0;
    color: var(--title);
    font-size: 19px;
}

.content-article p {
    margin: 12px 0 0;
    color: var(--muted);
}

.content-article ul,
.content-article ol {
    margin: 14px 0 0;
    padding-left: 1.25em;
}

.content-article li + li {
    margin-top: 7px;
}

.step-list {
    display: grid;
    gap: 14px;
    counter-reset: steps;
}

.step-item {
    counter-increment: steps;
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 16px;
    padding: 20px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--border);
}

.step-item::before {
    content: counter(steps);
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 17px;
    background: var(--gradient);
    color: #fff;
    font-size: 21px;
    font-weight: 900;
}

.step-item h3 {
    margin: 0;
    color: var(--title);
    font-size: 19px;
}

.step-item p {
    margin: 7px 0 0;
    color: var(--muted);
}

.notice-box,
.safety-note,
.service-tip {
    padding: 22px 24px;
    border-radius: 20px;
    background: var(--pink-soft);
    border: 1px solid rgba(255, 93, 158, .14);
}

.safety-note {
    background: var(--purple-soft);
    border-color: rgba(140, 118, 232, .16);
}

.notice-box h2,
.safety-note h2,
.service-tip h2 {
    margin: 0;
    color: var(--title);
    font-size: 22px;
}

.notice-box p,
.safety-note p,
.service-tip p {
    margin: 10px 0 0;
    color: var(--muted);
}

.related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.related-links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 9px 15px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--berry);
    font-weight: 800;
}

.service-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: clamp(26px, 4vw, 42px);
    border-radius: 26px;
    background: var(--gradient);
    color: #fff;
    box-shadow: var(--shadow-strong);
}

.service-banner h2 {
    margin: 0;
    color: #fff;
    font-size: clamp(24px, 3vw, 34px);
}

.service-banner p {
    margin: 9px 0 0;
    color: rgba(255,255,255,.88);
}

.service-banner .button {
    flex: 0 0 auto;
    background: #fff;
    color: var(--berry);
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--border);
}

.data-table th,
.data-table td {
    padding: 15px 17px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(255, 93, 158, .10);
}

.data-table th {
    width: 25%;
    color: var(--title);
    background: var(--pink-soft);
}

.data-table tr:last-child th,
.data-table tr:last-child td {
    border-bottom: 0;
}

.site-footer {
    padding: 62px 0 calc(28px + env(safe-area-inset-bottom));
    background: var(--footer);
    color: var(--footer-text);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr));
    gap: 32px;
}

.footer-brand p {
    max-width: 320px;
    margin: 16px 0 0;
    color: rgba(255, 234, 242, .72);
    font-size: 14px;
}

.brand-logo-footer {
    filter: brightness(0) invert(1);
}

.footer-brand .brand-text {
    color: #fff;
}

.footer-group h2 {
    margin: 0 0 14px;
    color: #fff;
    font-size: 15px;
}

.footer-group a {
    display: block;
    width: fit-content;
    min-height: 36px;
    color: rgba(255, 234, 242, .72);
    font-size: 14px;
}

.footer-group a:hover {
    color: #fff;
}

.footer-reminder {
    margin-top: 40px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,.10);
}

.footer-reminder p {
    margin: 0;
    color: rgba(255,234,242,.74);
    font-size: 13px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 20px;
    color: rgba(255,234,242,.58);
    font-size: 13px;
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom div {
    display: flex;
    gap: 16px;
}

.mobile-bottom-nav {
    display: none;
}

@media (max-width: 1080px) {
    .nav-desktop {
        grid-template-columns: minmax(150px, .85fr) auto minmax(210px, .85fr);
        gap: 14px;
    }

    .primary-links {
        gap: 16px;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1.15fr) minmax(240px, .85fr);
    }

    .hero-side {
        grid-column: 1 / -1;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .channel-groups {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-top {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 860px) {
    .nav-desktop {
        grid-template-columns: minmax(135px, .75fr) auto minmax(180px, .75fr);
    }

    .primary-links {
        gap: 10px;
    }

    .primary-links a {
        font-size: 14px;
    }

    .nav-actions .button {
        padding-inline: 13px;
    }

    .magazine-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-areas:
            "main main"
            "small1 small2"
            "small3 small4";
    }

    .magazine-card:nth-child(1) .media-frame {
        aspect-ratio: 16 / 9;
    }

    .grid-4,
    .advice-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-6 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    :root {
        --notice-height: 32px;
        --nav-height: 64px;
        --header-height: 96px;
    }

    body {
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
    }

    .shell {
        width: min(calc(100% - 32px), var(--shell));
    }

    .notice-links a:first-child {
        display: none;
    }

    .notice-links {
        gap: 0;
    }

    .nav-desktop {
        display: none;
    }

    .nav-mobile {
        min-height: var(--nav-height);
        display: grid;
        grid-template-columns: minmax(92px, 1fr) auto minmax(76px, 1fr);
        align-items: center;
        gap: 8px;
    }

    .mobile-menu-button {
        justify-self: start;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        min-height: 44px;
        padding: 7px 9px;
        border: 0;
        border-radius: 12px;
        background: transparent;
        color: var(--title);
        cursor: pointer;
        font-size: 13px;
        font-weight: 800;
        position: relative;
        z-index: 2;
    }

    .mobile-brand {
        justify-self: center;
    }

    .brand-logo-mobile {
        max-width: 122px;
        max-height: 38px;
    }

    .mobile-brand .brand-text {
        font-size: 20px;
        white-space: nowrap;
    }

    .mobile-experience {
        justify-self: end;
        min-width: 64px;
        padding-inline: 14px;
    }

    .desktop-channel-panel,
    .desktop-panel-backdrop {
        display: none;
    }

    .mobile-sheet-backdrop {
        display: block;
        z-index: 1110;
    }

    .mobile-channel-sheet {
        display: block;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1120;
        max-height: 85vh;
        padding: 9px 16px calc(24px + env(safe-area-inset-bottom));
        overflow-y: auto;
        overscroll-behavior: contain;
        border-radius: 26px 26px 0 0;
        background: #fff;
        box-shadow: 0 -20px 50px rgba(50, 38, 45, .20);
        visibility: hidden;
        pointer-events: none;
        transform: translateY(105%);
        transition: transform .25s ease, visibility .25s ease;
    }

    .mobile-channel-sheet.is-open {
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .sheet-handle {
        width: 48px;
        height: 5px;
        margin: 0 auto 10px;
        border-radius: 999px;
        background: rgba(50, 38, 45, .16);
    }

    .sheet-heading {
        position: sticky;
        top: -9px;
        z-index: 2;
        padding: 8px 0 12px;
        background: #fff;
    }

    .brand-logo-sheet {
        max-width: 130px;
        max-height: 40px;
    }

    .sheet-brand .brand-text {
        font-size: 22px;
    }

    .sheet-links {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .sheet-links a {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 48px;
        padding: 10px 12px;
        border-radius: 15px;
        background: var(--gray-pink);
        border: 1px solid transparent;
        color: var(--title);
        font-weight: 800;
    }

    .sheet-links a:nth-child(3n+2) {
        background: var(--pink-soft);
    }

    .sheet-links a:nth-child(3n) {
        background: var(--purple-soft);
    }

    .sheet-links a.is-current {
        border-color: rgba(255, 93, 158, .26);
        color: var(--berry);
        box-shadow: inset 0 0 0 1px rgba(255, 93, 158, .12);
    }

    .hero {
        padding-top: 46px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .hero h1 {
        font-size: clamp(48px, 15vw, 70px);
    }

    .hero-copy > p:not(.hero-brand) {
        margin-top: 20px;
    }

    .hero-visual {
        width: min(86vw, 410px);
        min-height: 0;
        margin-inline: auto;
    }

    .hero-phone {
        transform: none;
        border-radius: 34px;
    }

    .hero-phone .media-frame {
        min-height: 360px;
    }

    .hero-side {
        grid-column: auto;
        grid-template-columns: 1fr;
    }

    .topic-strip {
        grid-auto-columns: minmax(180px, 72vw);
    }

    .magazine-grid {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-areas: none;
    }

    .magazine-card:nth-child(n) {
        grid-area: auto;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .grid-6,
    .advice-grid,
    .feature-split,
    .article-split,
    .security-split,
    .app-feature,
    .brand-split {
        grid-template-columns: 1fr;
    }

    .discussion-item {
        grid-template-columns: 52px minmax(0, 1fr);
        gap: 14px;
    }

    .discussion-item::before {
        font-size: 24px;
    }

    .discussion-item .text-link {
        grid-column: 2;
        width: fit-content;
    }

    .app-services {
        grid-template-columns: 1fr;
    }

    .page-hero h1 {
        font-size: clamp(42px, 13vw, 62px);
    }

    .service-banner {
        align-items: flex-start;
        flex-direction: column;
    }

    .data-table,
    .data-table tbody,
    .data-table tr,
    .data-table th,
    .data-table td {
        display: block;
        width: 100%;
    }

    .data-table tr + tr {
        border-top: 1px solid rgba(255, 93, 158, .10);
    }

    .data-table th,
    .data-table td {
        border-bottom: 0;
    }

    .data-table th {
        padding-bottom: 7px;
    }

    .data-table td {
        padding-top: 7px;
    }

    .footer-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 26px 22px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 880;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        min-height: calc(64px + env(safe-area-inset-bottom));
        padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
        background: rgba(255,255,255,.96);
        border-top: 1px solid rgba(255, 93, 158, .13);
        box-shadow: 0 -8px 24px rgba(50, 38, 45, .08);
        backdrop-filter: blur(16px);
    }

    .mobile-bottom-nav a {
        display: flex;
        min-width: 0;
        min-height: 52px;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 2px;
        border-radius: 13px;
        color: var(--muted);
        font-size: 11px;
        position: relative;
        z-index: 1;
    }

    .mobile-bottom-nav a span {
        font-size: 18px;
        line-height: 1;
    }

    .mobile-bottom-nav a strong {
        font-weight: 800;
        line-height: 1.2;
    }

    .mobile-bottom-nav a.is-current {
        background: var(--pink-soft);
        color: var(--berry);
    }
}

@media (max-width: 440px) {
    .shell {
        width: min(calc(100% - 32px), var(--shell));
    }

    .notice-bar p {
        max-width: 245px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-menu-button span:last-child {
        display: none;
    }

    .nav-mobile {
        grid-template-columns: 52px 1fr 72px;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-actions .button,
    .hero-actions .text-link {
        width: 100%;
        justify-content: center;
    }

    .note-card,
    .info-card,
    .circle-card,
    .feedback-card,
    .service-card,
    .guide-card,
    .rule-card,
    .content-article {
        padding: 20px;
    }

    .timeline-item {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 12px;
    }

    .timeline::before {
        left: 18px;
    }

    .timeline-dot {
        width: 38px;
        height: 38px;
        font-size: 13px;
    }

    .timeline-content {
        padding: 18px;
    }

    .step-item {
        grid-template-columns: 44px minmax(0, 1fr);
        padding: 17px;
    }

    .step-item::before {
        width: 44px;
        height: 44px;
        border-radius: 14px;
    }

    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}
@media (min-width: 761px) {
    .desktop-panel-backdrop {
        top: var(--header-height);
    }
}