:root {
  --ink: #162033;
  --muted: #5d6675;
  --paper: #fffdf8;
  --soft: #f6f0e7;
  --line: #e6ddd2;
  --accent: #e05a47;
  --accent-dark: #b83f31;
  --navy: #24324b;
  --green: #2f725e;
  --shadow: 0 18px 50px rgba(30, 35, 48, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  line-height: 1.75;
  letter-spacing: .01em;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(760px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 253, 248, .94);
  border-bottom: 1px solid rgba(230, 221, 210, .9);
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 800; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(224, 90, 71, .25);
}
.nav { display: flex; gap: 22px; align-items: center; font-size: .92rem; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 700; }
.nav a:hover { color: var(--accent-dark); }
.menu-button { display: none; border: 0; background: transparent; font: inherit; font-weight: 800; color: var(--ink); }

.site-ad-disclosure { background: #fff3df; border-bottom: 1px solid #ead8b7; color: #514631; font-size: .78rem; }
.site-ad-disclosure .container { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 34px; }
.site-ad-disclosure strong { color: var(--accent-dark); white-space: nowrap; }
.site-ad-disclosure a { font-weight: 800; text-underline-offset: 3px; white-space: nowrap; }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-grid { min-height: 650px; display: grid; grid-template-columns: 1fr 1.12fr; align-items: stretch; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 80px 56px 80px max(20px, calc((100vw - 1120px)/2)); }
.eyebrow { color: var(--accent-dark); font-weight: 900; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.025em; }
h1 { margin: 16px 0 22px; font-size: clamp(2.55rem, 5vw, 5rem); }
h2 { margin: 0 0 20px; font-size: clamp(1.9rem, 3.5vw, 3rem); }
h3 { margin: 0 0 10px; font-size: 1.25rem; }
.hero-copy p { max-width: 580px; color: var(--muted); font-size: 1.08rem; }
.hero-media { min-height: 650px; background: #eadfce; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 56% center; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 800;
  transition: .18s ease;
}
.button:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(22, 32, 51, .12); }
.button-primary { color: white; background: var(--accent); border-color: var(--accent); }
.button-secondary { background: rgba(255,255,255,.75); }
.button-small { min-height: 40px; padding: 0 16px; font-size: .9rem; }
.microcopy { margin-top: 12px; color: var(--muted); font-size: .82rem; }

.section { padding: 96px 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--navy); color: white; }
.section-lead { max-width: 700px; color: var(--muted); }
.section-dark .section-lead { color: #d4dbea; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 38px; }
.section-head > div { max-width: 720px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 10px 34px rgba(36, 50, 75, .05);
}
.card p { color: var(--muted); }
.card-number { display: inline-flex; color: var(--accent-dark); font-weight: 900; margin-bottom: 18px; }
.card-link { display: inline-block; margin-top: 10px; color: var(--accent-dark); font-weight: 800; text-underline-offset: 4px; }
.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: white; }
.trust-item { padding: 22px; text-align: center; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-item strong { display: block; font-size: 1.05rem; }
.trust-item span { color: var(--muted); font-size: .86rem; }

.steps { counter-reset: item; display: grid; gap: 18px; margin-top: 36px; }
.step { position: relative; padding: 26px 28px 26px 82px; border: 1px solid rgba(255,255,255,.16); border-radius: 18px; background: rgba(255,255,255,.06); }
.step::before { counter-increment: item; content: counter(item); position: absolute; left: 24px; top: 25px; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--accent); font-weight: 900; }
.step p { margin: 4px 0 0; color: #d4dbea; }

.article-hero { padding: 80px 0 56px; background: var(--soft); border-bottom: 1px solid var(--line); }
.article-hero h1 { max-width: 900px; font-size: clamp(2.2rem, 5vw, 4.4rem); }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px 22px; color: var(--muted); font-size: .88rem; }
.disclosure { margin: 30px 0; padding: 18px 20px; border-left: 4px solid var(--accent); background: #fff6ee; color: #4f5260; font-size: .9rem; }
.article { padding: 64px 0 100px; }
.article h2 { margin-top: 64px; font-size: 2rem; }
.article h3 { margin-top: 36px; }
.article p, .article li { color: #3e4655; }
.article ul, .article ol { padding-left: 1.4em; }
.article table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: .92rem; }
.article th, .article td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.article th { background: var(--soft); }
.callout { margin: 34px 0; padding: 26px; border-radius: 18px; background: var(--navy); color: white; }
.callout p { color: #dce2ee; }
.product-box { margin: 26px 0; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: white; }
.product-box .status { display: inline-block; margin-bottom: 10px; padding: 4px 10px; border-radius: 999px; background: #eaf4ef; color: var(--green); font-size: .76rem; font-weight: 800; }
.comparison-table-wrap { margin: 26px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: white; }
.comparison-table-wrap table { min-width: 680px; margin: 0; }
.recommendation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 30px 0; }
.recommendation-card { position: relative; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: 0 10px 30px rgba(36, 50, 75, .05); }
.recommendation-card.featured { border: 2px solid var(--accent); }
.badge { display: inline-flex; align-items: center; min-height: 27px; padding: 0 10px; border-radius: 999px; background: #eef2f7; color: var(--navy); font-size: .74rem; font-weight: 900; }
.badge-accent { background: #fff0e9; color: var(--accent-dark); }
.fit-list { list-style: none; padding: 0 !important; margin: 18px 0; }
.fit-list li { position: relative; padding: 7px 0 7px 25px; }
.fit-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }
.verdict { margin: 30px 0; padding: 28px; border-radius: 20px; background: var(--navy); color: white; }
.verdict p, .verdict li { color: #dce2ee; }
.toc { margin: 28px 0; padding: 22px 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--soft); }
.toc strong { display: block; margin-bottom: 8px; }
.toc ol { margin: 0; }
.note { color: var(--muted); font-size: .84rem; }
.kpi-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 28px 0; }
.kpi { padding: 18px; border-radius: 16px; background: var(--soft); text-align: center; }
.kpi strong { display: block; color: var(--accent-dark); font-size: 1.35rem; }
.checklist { list-style: none; padding: 0 !important; }
.checklist li { position: relative; padding: 10px 0 10px 34px; border-bottom: 1px solid var(--line); }
.checklist li::before { content: "□"; position: absolute; left: 4px; top: 8px; color: var(--accent); font-size: 1.25rem; }
.source-list { font-size: .85rem; word-break: break-word; }

.footer { padding: 50px 0; background: #111a2a; color: white; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 34px; }
.footer a { color: #d8dfec; }
.footer p { color: #adb7c8; font-size: .88rem; }
.footer h3 { font-size: 1rem; }
.footer-links { display: grid; gap: 8px; font-size: .9rem; }
.copyright { margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); color: #8f9aab; font-size: .8rem; }

.print-card { padding: 28px; border: 2px solid var(--ink); border-radius: 20px; background: white; overflow-wrap: anywhere; }
.write-line { width: 100%; height: 30px; margin: 4px 0 18px; border-bottom: 1px solid var(--ink); }
.print-only { display: none; }

@media (max-width: 860px) {
  .nav { display: none; position: absolute; left: 0; right: 0; top: 72px; padding: 22px 20px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; }
  .nav.open { display: flex; }
  .menu-button { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 72px 20px 48px; }
  .hero-media { min-height: 380px; }
  .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .recommendation-grid, .kpi-strip { grid-template-columns: 1fr; }
  .site-ad-disclosure .container { align-items: flex-start; justify-content: flex-start; flex-wrap: wrap; gap: 2px 8px; padding-block: 8px; line-height: 1.45; }
  .trust-strip { grid-template-columns: 1fr; }
  .trust-item + .trust-item { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding: 72px 0; }
  .section-head { align-items: flex-start; flex-direction: column; }
}

@media print {
  .site-header, .footer, .no-print, .article-hero { display: none !important; }
  .print-only { display: block; }
  body { background: white; }
  .article { padding: 0; }
  .print-card { border: 0; padding: 0; }
}