*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif; color: #333; background: #f5f7fa; line-height: 1.7; font-size: 15px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

/* Container */
.container { max-width: 640px; margin: 0 auto; background: #fff; }

/* PR Label */
.pr-label { background: #f0f0f0; padding: 4px 12px; font-size: 11px; color: #888; text-align: right; }

/* Header */
.site-header { background: #1a237e; color: #fff; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; }
.site-header .logo { font-size: 14px; font-weight: 700; letter-spacing: 0.5px; }
.site-header .logo span { color: #ffd54f; }
.site-header .date { font-size: 11px; color: rgba(255,255,255,0.7); }

/* FV Image Section */
.fv-image { position: relative; }
.fv-hero-img { width: 100%; height: auto; display: block; }
.risk-note-below { font-size: 10px; color: #999; text-align: center; padding: 8px 16px; background: #f5f7fa; line-height: 1.5; }

/* ===== 税制改革フック（最重要セクション） ===== */
.tax-hook { background: #fff; padding: 32px 16px 28px; text-align: center; }
.tax-hook .hook-lead { font-size: 13px; color: #888; margin-bottom: 8px; }
.tax-hook .hook-main { font-size: 26px; font-weight: 900; color: #d32f2f; line-height: 1.4; margin-bottom: 16px; }
.tax-hook .hook-main .small-text { font-size: 16px; font-weight: 700; color: #555; display: block; margin-bottom: 4px; }
.tax-example { background: #fafafa; border-radius: 12px; padding: 20px 16px; margin: 0 auto; max-width: 400px; }
.tax-example .example-title { font-size: 12px; color: #888; margin-bottom: 12px; }
.tax-row { display: flex; justify-content: center; align-items: center; gap: 12px; margin-bottom: 12px; }
.tax-box { text-align: center; padding: 12px 16px; border-radius: 10px; flex: 1; }
.tax-box.before { background: #ffebee; }
.tax-box.after { background: #e3f2fd; }
.tax-box .tax-label { font-size: 11px; color: #888; margin-bottom: 4px; }
.tax-box.before .tax-amount { font-size: 28px; font-weight: 900; color: #d32f2f; }
.tax-box.after .tax-amount { font-size: 28px; font-weight: 900; color: #1565c0; }
.tax-box .tax-unit { font-size: 14px; }
.tax-arrow { font-size: 24px; color: #999; flex-shrink: 0; }
.tax-diff { text-align: center; margin-top: 4px; }
.tax-diff .diff-amount { font-size: 22px; font-weight: 900; color: #1565c0; }
.tax-diff .diff-label { font-size: 12px; color: #666; }
.tax-bottom { font-size: 14px; color: #555; margin-top: 16px; line-height: 1.8; }
.tax-bottom strong { color: #1a237e; font-size: 16px; }
.tax-note { font-size: 10px; color: #aaa; margin-top: 12px; }

/* ===== 販売所トラップ警告 ===== */
.trap-section { background: #fff3e0; padding: 28px 16px; }
.trap-section .trap-label { display: inline-block; background: #d32f2f; color: #fff; font-size: 11px; font-weight: 700; padding: 3px 12px; border-radius: 4px; margin-bottom: 12px; }
.trap-section .trap-title { font-size: 22px; font-weight: 900; color: #d32f2f; line-height: 1.4; margin-bottom: 16px; }
.trap-section .trap-story { font-size: 14px; color: #555; line-height: 1.9; margin-bottom: 20px; }
.trap-section .trap-story .red { color: #d32f2f; font-weight: 700; }
.trap-section .trap-story .big-red { color: #d32f2f; font-weight: 900; font-size: 20px; }
.trap-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 16px; }
.trap-table th { background: #e65100; color: #fff; padding: 10px 12px; text-align: center; font-size: 12px; }
.trap-table td { padding: 12px; border-bottom: 1px solid #ffe0b2; text-align: center; }
.trap-table .loss { color: #d32f2f; font-weight: 900; font-size: 18px; }
.trap-explain { background: #fff; border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.trap-explain .explain-title { font-size: 15px; font-weight: 700; color: #e65100; margin-bottom: 8px; }
.trap-explain p { font-size: 13px; color: #555; line-height: 1.8; }
.trap-explain .stock-compare { color: #1565c0; font-weight: 700; }
.trap-solution { background: #e8f5e9; border-radius: 10px; padding: 16px; }
.trap-solution .solution-title { font-size: 15px; font-weight: 700; color: #2e7d32; margin-bottom: 8px; }
.trap-solution p { font-size: 13px; color: #555; line-height: 1.8; }
.trap-solution strong { color: #2e7d32; }

/* ===== 用意するものセクション ===== */
.prepare-section { background: #fff; padding: 28px 16px; }
.prepare-title { font-size: 20px; font-weight: 900; color: #1a237e; text-align: center; margin-bottom: 20px; }
.prepare-title .accent { display: block; font-size: 14px; color: #888; font-weight: 400; margin-bottom: 4px; }
.id-cards { display: flex; gap: 12px; justify-content: center; margin-bottom: 16px; }
.id-card { background: #e8eaf6; border-radius: 12px; padding: 20px 16px; text-align: center; flex: 1; max-width: 180px; }
.id-card .id-icon { font-size: 36px; margin-bottom: 8px; }
.id-card .id-name { font-size: 15px; font-weight: 700; color: #1a237e; }
.id-or { display: flex; align-items: center; justify-content: center; font-size: 13px; color: #888; font-weight: 700; }
.prepare-warn { background: #ffebee; border-radius: 8px; padding: 12px 16px; text-align: center; margin-bottom: 20px; }
.prepare-warn p { font-size: 13px; color: #d32f2f; font-weight: 700; }
.prepare-steps { display: flex; gap: 4px; align-items: center; justify-content: center; flex-wrap: wrap; }
.prepare-step { text-align: center; padding: 12px 8px; flex: 1; min-width: 70px; }
.prepare-step .step-icon { font-size: 24px; margin-bottom: 4px; }
.prepare-step .step-label { font-size: 12px; font-weight: 700; color: #333; }
.prepare-step .step-detail { font-size: 10px; color: #888; margin-top: 2px; }
.step-arrow { font-size: 18px; color: #bbb; flex-shrink: 0; }
.prepare-note { text-align: center; margin-top: 12px; font-size: 11px; color: #888; }

/* Section Common */
.section { padding: 28px 16px; }
.section-title { font-size: 20px; font-weight: 900; text-align: center; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 3px solid #1a237e; }
.section-title .small { display: block; font-size: 12px; color: #888; font-weight: 400; margin-top: 4px; }
.section-bg { background: #f5f7fa; }

/* TOP3 Banner Section */
.top3-section { background: #fff; padding: 0 0 24px; }
.top3-band { background: linear-gradient(135deg, #1565c0, #1a237e); color: #fff; text-align: center; font-size: 16px; font-weight: 700; padding: 14px 16px; line-height: 1.4; }
.top3-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; padding: 20px 12px 0; }
.top3-item { text-align: center; }
.top3-crown { display: flex; flex-direction: column; align-items: center; margin-bottom: 6px; }
.top3-crown .crown-icon { font-size: 32px; line-height: 1; }
.top3-crown .crown-num { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; font-size: 13px; font-weight: 800; color: #fff; margin-top: -4px; }
.top3-crown.gold .crown-icon { filter: drop-shadow(0 2px 4px rgba(255,193,7,0.4)); }
.top3-crown.gold .crown-num { background: linear-gradient(135deg, #ffd54f, #ffb300); color: #5d4037; }
.top3-crown.silver .crown-icon { filter: drop-shadow(0 2px 4px rgba(158,158,158,0.4)); }
.top3-crown.silver .crown-num { background: linear-gradient(135deg, #b0bec5, #78909c); }
.top3-crown.bronze .crown-icon { filter: drop-shadow(0 2px 4px rgba(141,110,99,0.4)); }
.top3-crown.bronze .crown-num { background: linear-gradient(135deg, #bcaaa4, #8d6e63); }
.top3-desc { font-size: 11px; font-weight: 600; color: #333; line-height: 1.4; margin-bottom: 8px; min-height: 32px; }
.top3-banner { width: 100%; border-radius: 6px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: transform 0.2s; }
.top3-banner:active { transform: scale(0.97); }
.top3-logo { font-size: 11px; font-weight: 700; color: #555; margin-top: 6px; padding-top: 6px; border-top: 1px solid #eee; }

/* Fee Comparison */
.fee-compare { margin: 0 16px; }
.fee-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.fee-table th { background: #e8eaf6; padding: 10px 8px; text-align: left; font-size: 12px; }
.fee-table td { padding: 10px 8px; border-bottom: 1px solid #eee; }
.fee-table .fee-free { color: #1565c0; font-weight: 700; }
.fee-table .fee-free.large { font-size: 18px; font-weight: 900; }
.fee-table .fee-paid { color: #d32f2f; }
.fee-table .annual { font-size: 11px; color: #888; }

/* Comparison Table */
.compare-table-wrap { overflow-x: auto; margin: 0 16px; }
table.compare-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 12px; }
table.compare-table th { background: #1a237e; color: #fff; padding: 8px 6px; font-size: 11px; font-weight: 600; text-align: center; white-space: nowrap; }
table.compare-table td { padding: 10px 6px; text-align: center; border-bottom: 1px solid #e0e0e0; vertical-align: middle; }
table.compare-table tr:nth-child(even) { background: #f5f7fa; }
table.compare-table .rank-cell { font-weight: 700; color: #1a237e; font-size: 14px; }
table.compare-table .rank-1 { color: #ffd54f; font-size: 16px; }
table.compare-table .rank-2 { color: #90a4ae; font-size: 16px; }
table.compare-table .rank-3 { color: #a1887f; font-size: 16px; }
table.compare-table .name-cell { font-weight: 700; font-size: 12px; text-align: left; padding-left: 8px; white-space: nowrap; }
table.compare-table .circle-double { color: #1565c0; font-size: 16px; font-weight: 700; }
table.compare-table .circle-single { color: #43a047; font-size: 14px; }
table.compare-table .triangle { color: #ff9800; font-size: 14px; }
.recommend-badge { display: inline-block; background: #e8f5e9; color: #2e7d32; font-size: 9px; padding: 1px 6px; border-radius: 8px; font-weight: 600; }
.cta-mini { display: inline-block; background: #1565c0; color: #fff; padding: 5px 12px; border-radius: 6px; font-size: 11px; font-weight: 600; white-space: nowrap; }

/* Ranking Cards */
.ranking-card { background: #fff; border-radius: 12px; margin: 0 16px 20px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); overflow: hidden; border: 1px solid #e0e0e0; }
.ranking-card.rank-1-card { border: 2px solid #ffd54f; }
.ranking-card.rank-2-card { border: 2px solid #90a4ae; }
.ranking-card.rank-3-card { border: 2px solid #a1887f; }

.ranking-header { padding: 16px; display: flex; align-items: center; gap: 12px; }
.rank-badge { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 800; color: #fff; flex-shrink: 0; }
.rank-badge.gold { background: linear-gradient(135deg, #ffd54f, #ffb300); color: #5d4037; }
.rank-badge.silver { background: linear-gradient(135deg, #b0bec5, #78909c); }
.rank-badge.bronze { background: linear-gradient(135deg, #bcaaa4, #8d6e63); }
.ranking-header-text h3 { font-size: 16px; font-weight: 700; color: #1a237e; line-height: 1.3; }
.ranking-header-text .exchange-name { font-size: 13px; color: #555; margin-top: 2px; }

.ranking-banner { background: #f5f7fa; padding: 16px; text-align: center; }
.banner-img { max-width: 300px; width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.ranking-banner .catch { font-size: 14px; font-weight: 700; color: #333; }
.ranking-banner .sub-catch { font-size: 12px; color: #666; margin-top: 4px; }

.ranking-points { padding: 16px; }
.point-item { display: flex; gap: 10px; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid #f0f0f0; }
.point-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.point-num { width: 28px; height: 28px; background: #e8eaf6; color: #1a237e; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.point-content h4 { font-size: 14px; font-weight: 700; color: #333; margin-bottom: 4px; }
.point-content p { font-size: 12px; color: #666; line-height: 1.6; }

.ranking-spec { background: #f5f7fa; padding: 16px; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.spec-item { background: #fff; border-radius: 8px; padding: 10px; }
.spec-item .spec-label { font-size: 10px; color: #888; margin-bottom: 2px; }
.spec-item .spec-value { font-size: 13px; font-weight: 700; color: #333; }
.spec-item .spec-value.free { color: #1565c0; }
.spec-item .spec-value.highlight { color: #d84315; }

/* Crypto List */
.crypto-list-toggle { padding: 12px 16px; }
.crypto-list-toggle summary { font-size: 13px; font-weight: 600; color: #1565c0; cursor: pointer; list-style: none; }
.crypto-list-toggle summary::before { content: '▶ '; font-size: 10px; }
.crypto-list-toggle[open] summary::before { content: '▼ '; }
.crypto-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.crypto-tag { font-size: 10px; background: #e8eaf6; color: #333; padding: 2px 8px; border-radius: 10px; }

.ranking-cta { padding: 16px; text-align: center; }
.cta-btn { display: block; background: linear-gradient(135deg, #1565c0, #1a237e); color: #fff; padding: 16px 20px; border-radius: 10px; font-size: 16px; font-weight: 700; text-align: center; box-shadow: 0 4px 12px rgba(21,101,192,0.3); transition: transform 0.2s; }
.cta-btn:active { transform: scale(0.98); }
.cta-btn .cta-sub { display: block; font-size: 11px; font-weight: 400; margin-top: 4px; opacity: 0.85; }
.cta-btn.green { background: linear-gradient(135deg, #2e7d32, #1b5e20); box-shadow: 0 4px 12px rgba(46,125,50,0.3); }
.cta-btn.orange { background: linear-gradient(135deg, #e65100, #bf360c); box-shadow: 0 4px 12px rgba(230,81,0,0.3); }
.cta-btn.small { flex: 1; font-size: 13px; padding: 12px; }
.cta-micro { font-size: 11px; color: #888; margin-top: 8px; }

/* Final CTA */
.final-cta-wrap { padding: 0 16px; text-align: center; }
.final-cta-title { font-size: 20px; font-weight: 900; color: #1a237e; margin-bottom: 8px; }
.final-cta-sub { font-size: 13px; color: #555; margin-bottom: 16px; }
.cta-dual { display: flex; gap: 8px; }

/* Point Section */
.point-section { margin: 0 16px; }
.point-box { background: #fff; border-radius: 10px; padding: 16px; margin-bottom: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.04); border-left: 4px solid #1a237e; }
.point-box .point-title { font-size: 16px; font-weight: 900; color: #1a237e; margin-bottom: 6px; }
.point-box .point-body { font-size: 13px; color: #555; line-height: 1.8; }

/* FAQ */
.faq-item { margin: 0 16px 12px; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 6px rgba(0,0,0,0.04); }
.faq-q { padding: 14px 16px; font-size: 14px; font-weight: 700; color: #1a237e; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.faq-q::before { content: 'Q'; background: #1a237e; color: #fff; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.faq-a { padding: 0 16px 14px; font-size: 13px; color: #555; line-height: 1.7; padding-left: 48px; }

/* Disclaimer */
.disclaimer { padding: 20px 16px; font-size: 10px; color: #999; line-height: 1.6; }
.disclaimer p { margin-bottom: 8px; }

/* Footer */
.site-footer { background: #1a237e; color: rgba(255,255,255,0.7); padding: 20px 16px; text-align: center; font-size: 11px; }
.site-footer .footer-links { margin-bottom: 12px; }
.site-footer .footer-links a { color: rgba(255,255,255,0.7); margin: 0 8px; font-size: 11px; }
.site-footer .copyright { font-size: 10px; color: rgba(255,255,255,0.4); }

/* Sticky CTA */
.sticky-cta { position: fixed; bottom: 0; left: 0; right: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); padding: 8px 16px; box-shadow: 0 -2px 12px rgba(0,0,0,0.1); z-index: 100; display: flex; gap: 8px; justify-content: center; max-width: 640px; margin: 0 auto; }
.sticky-cta .sticky-btn { flex: 1; padding: 10px 8px; border-radius: 8px; text-align: center; font-size: 12px; font-weight: 700; color: #fff; max-width: 200px; }
.sticky-btn.btn-primary { background: #1565c0; }
.sticky-btn.btn-secondary { background: #43a047; }

/* Utility */
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-small { font-size: 11px; color: #888; }
.note { font-size: 10px; color: #999; margin-top: 4px; }
.spacer { height: 20px; }
.spacer-lg { height: 60px; }