:root {
    --bg: #f5f5f7;
    --card-bg: #ffffff;
    --text: #1c1c1e;
    --text-muted: #6b6b70;
    --accent: #ff5a36;
    --accent-soft: #fff1ec;
    --border: #ececee;
    --warning-bg: #fff7e6;
    --warning-border: #ffdf9a;
    --evidence-bg: #f0f7ff;
    --evidence-border: #cfe3ff;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    padding-bottom: 40px;
}

.back-bar {
    padding: 10px 16px;
    background: var(--bg);
}

.back-link {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-decoration: none;
}

.back-link:active { opacity: 0.7; }

.site-header {
    padding: 28px 16px 20px;
    text-align: center;
    background: linear-gradient(180deg, var(--accent-soft), var(--bg));
}

.site-header h1 {
    margin: 0 0 8px;
    font-size: 1.8rem;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.tagline {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.plan-list {
    max-width: 480px;
    margin: 0 auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.notice-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
}

.plan-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.carrier-line {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.carrier-logo {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.carrier-name {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
}

.badge-network {
    background: var(--accent-soft);
    color: var(--accent);
}

.badge-carrier {
    background: var(--bg);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.plan-name {
    margin: 4px 0 2px;
    font-size: 1.1rem;
    line-height: 1.35;
}

.discount-label {
    margin: 0 0 12px;
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
}

.price-block {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.price-discounted {
    font-size: 1.6rem;
    font-weight: 800;
}

.price-regular {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 16px;
    margin: 0 0 14px;
    padding: 14px;
    background: var(--bg);
    border-radius: 10px;
}

.detail-grid > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-grid dt {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.detail-grid dd {
    margin: 0;
    font-size: 0.88rem;
    font-weight: 600;
}

.warning-box {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 12px;
}

.warning-title {
    margin: 0 0 4px;
    font-weight: 700;
    font-size: 0.85rem;
}

.warning-body {
    margin: 0;
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.evidence-box {
    background: var(--evidence-bg);
    border: 1px solid var(--evidence-border);
    border-radius: 10px;
    padding: 12px 14px;
}

.evidence-title {
    margin: 0 0 4px;
    font-weight: 700;
    font-size: 0.82rem;
    color: #2563eb;
}

.evidence-text {
    margin: 0 0 6px;
    font-size: 0.78rem;
    line-height: 1.5;
    word-break: keep-all;
}

.evidence-meta {
    margin: 0;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.site-footer {
    max-width: 480px;
    margin: 24px auto 0;
    padding: 0 16px 24px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.disclaimer {
    max-width: 480px;
    margin: 0 auto 16px;
    padding: 10px 16px;
    font-size: 0.7rem;
    line-height: 1.6;
    color: var(--text-muted);
    word-break: keep-all;
}

@media (max-width: 400px) {
    .plan-name { font-size: 1rem; }
    .price-discounted { font-size: 1.4rem; }
}

.recommended-box {
    max-width: 480px;
    margin: 0 auto 16px;
    padding: 0 16px;
}

.recommended-label {
    margin: 0 0 6px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
}

.recommended-card {
    background: linear-gradient(135deg, var(--accent-soft), #fff);
    border: 2px solid var(--accent);
}

.recommended-reason {
    margin: 6px 0 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.filter-bar {
    max-width: 480px;
    margin: 0 auto 16px;
    padding: 14px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.filter-group { margin-bottom: 10px; }
.filter-group:last-of-type { margin-bottom: 0; }

.filter-label {
    margin: 0 0 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-chip {
    appearance: none;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.78rem;
    cursor: pointer;
}

.filter-chip.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 700;
}

.filter-group-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    cursor: pointer;
}

.filter-count {
    margin: 10px 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

.vote-box {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.vote-btn {
    flex: 1;
    padding: 9px 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
}

.vote-btn:disabled {
    cursor: default;
    opacity: 0.7;
}

.vote-btn.voted {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
    opacity: 1;
}

.vote-count {
    font-weight: 700;
}

.signup-btn {
    display: block;
    margin-top: 12px;
    padding: 11px;
    text-align: center;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 10px;
    text-decoration: none;
}

.signup-btn:active { opacity: 0.85; }

.click-stat {
    margin: 6px 0 0;
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.load-more-wrap {
    max-width: 480px;
    margin: 4px auto 0;
    padding: 0 16px;
}

.load-more-indicator {
    display: block;
    width: 100%;
    margin: 0;
    padding: 14px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}