@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@400;600;700;800&display=swap');

:root {
    color-scheme: light;
    --social-bg: #eef7f0;
    --social-surface: rgba(255, 255, 255, 0.94);
    --social-strong: #ffffff;
    --social-text: #173326;
    --social-muted: #587061;
    --social-line: rgba(43, 88, 62, 0.14);
    --social-accent: #17402c;
    --social-accent-soft: #dceee2;
    --social-gold: #a57a33;
    --social-shadow: 0 22px 64px rgba(45, 94, 61, 0.16);
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 36px 16px;
    background:
        radial-gradient(circle at 50% 4%, rgba(255, 255, 255, 0.96), rgba(238, 247, 240, 0.76) 42%, rgba(238, 247, 240, 0.96) 100%),
        var(--social-bg);
    color: var(--social-text);
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.social-landing {
    width: min(468px, 100%);
    margin: 0 auto;
    padding: 30px 24px 26px;
    border: 1px solid var(--social-line);
    border-radius: 8px;
    background: var(--social-surface);
    box-shadow: var(--social-shadow);
    text-align: center;
}

.social-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.social-brand img {
    width: 62px;
    height: 62px;
    border: 1px solid rgba(23, 51, 38, 0.08);
    border-radius: 8px;
    background: var(--social-strong);
    object-fit: cover;
}

.social-brand span {
    color: var(--social-muted);
    font-size: 16px;
    font-weight: 800;
    line-height: 1;
}

.social-channel {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 26px;
    margin: 20px 0 12px;
    padding: 0 10px;
    border: 1px solid rgba(23, 64, 44, 0.14);
    border-radius: 999px;
    background: var(--social-accent-soft);
    color: var(--social-accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.social-channel img {
    width: 17px;
    height: 17px;
    flex: none;
}

h1 {
    margin: 0;
    font-size: 30px;
    font-weight: 800;
    line-height: 1.22;
    word-break: keep-all;
}

.social-lead {
    margin: 12px auto 18px;
    color: var(--social-muted);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.55;
    word-break: keep-all;
}

.social-intro {
    margin: 0 0 18px;
    padding: 20px 16px;
    border: 1px solid rgba(165, 122, 51, 0.24);
    border-radius: 8px;
    background: var(--social-strong);
    box-shadow: 0 18px 48px rgba(165, 122, 51, 0.11);
}

.social-intro strong {
    display: block;
    color: var(--social-accent);
    font-size: 23px;
    font-weight: 800;
    line-height: 1.3;
    word-break: keep-all;
}

.social-intro p {
    margin: 10px 0 0;
    color: #365746;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.55;
    word-break: keep-all;
}

.social-actions {
    display: grid;
    gap: 10px;
}

.social-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 16px;
    border: 1px solid var(--social-line);
    border-radius: 8px;
    background: var(--social-strong);
    color: var(--social-text);
    font-size: 15px;
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

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

.social-button:focus-visible {
    outline: 3px solid rgba(23, 64, 44, 0.36);
    outline-offset: 2px;
}

.social-button.is-primary {
    min-height: 52px;
    border-color: var(--social-accent);
    background: var(--social-accent);
    color: #ffffff;
    box-shadow: 0 16px 36px rgba(23, 64, 44, 0.2);
}

.social-button.is-open {
    color: var(--social-accent);
}

.social-button img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.social-store-actions {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.social-note {
    margin: 14px 0 0;
    color: rgba(23, 51, 38, 0.64);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.5;
    word-break: keep-all;
}

.social-landing footer {
    margin-top: 24px;
    color: rgba(23, 51, 38, 0.5);
    font-size: 12px;
}

@media (max-width: 420px) {
    body {
        padding: 22px 12px;
    }

    .social-landing {
        padding: 24px 18px 22px;
    }

    .social-brand img {
        width: 56px;
        height: 56px;
    }

    h1 {
        font-size: 25px;
    }

    .social-lead {
        font-size: 14px;
    }

    .social-intro {
        padding: 18px 14px;
    }

    .social-intro strong {
        font-size: 21px;
    }

    .social-button {
        min-height: 46px;
        font-size: 14px;
    }
}

@media (max-width: 360px) {
    body {
        padding: 18px 8px;
    }

    .social-landing {
        padding: 22px 14px 20px;
    }

    h1 {
        font-size: 23px;
    }
}