:root {
  color-scheme: light;
  --bg: #f7f8f4;
  --surface: #ffffff;
  --surface-soft: #eef2ed;
  --ink: #17201d;
  --muted: #5f6b66;
  --line: #d8ded9;
  --green: #176b5d;
  --blue: #315a8c;
  --amber: #a85618;
  --shadow: 0 18px 42px rgba(25, 34, 31, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Yu Gothic UI", Meiryo, sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 14px min(5vw, 42px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(23, 32, 29, 0.86);
  color: #fff;
  backdrop-filter: blur(12px);
}

.brand {
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.hero {
  min-height: 76vh;
  display: grid;
  align-items: end;
  background:
    linear-gradient(180deg, rgba(9, 17, 15, 0.2), rgba(9, 17, 15, 0.86)),
    url("assets/hero-product-review.png") center / cover no-repeat;
  color: #fff;
}

.hero-inner,
.section-inner,
.article-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero-inner {
  padding: 96px 0 54px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #cde4dd;
  font-size: 14px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  border-color: var(--green);
  background: var(--green);
}

.band {
  padding: 44px 0;
}

.band.soft {
  background: var(--surface-soft);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 22px;
}

.section-head h2 {
  font-size: 28px;
  line-height: 1.25;
}

.section-note {
  max-width: 520px;
  color: var(--muted);
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  min-height: 190px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 18px;
  line-height: 1.35;
}

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

.tag {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

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

.review-spotlight {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: stretch;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.review-spotlight h3 {
  font-size: clamp(25px, 3.2vw, 38px);
  line-height: 1.2;
}

.review-spotlight p {
  margin-top: 12px;
  color: var(--muted);
}

.review-kicker {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.mini-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.mini-facts span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f8faf8;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.cta-panel {
  display: grid;
  align-content: space-between;
  gap: 18px;
  padding: 18px;
  border-radius: 8px;
  background: #18332f;
  color: #fff;
}

.cta-panel p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.button.dark {
  justify-content: center;
  border-color: #fff;
  background: #fff;
  color: #18332f;
}

.article-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
}

.article-link strong {
  display: block;
  font-size: 18px;
}

.article-link span {
  color: var(--muted);
  font-size: 14px;
}

.arrow {
  color: var(--green);
  font-weight: 900;
}

.disclosure {
  padding: 18px;
  border-left: 4px solid var(--amber);
  background: #fff8ee;
  color: #4f3924;
  font-size: 14px;
}

.site-footer {
  padding: 30px min(5vw, 42px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.article-hero {
  padding: 54px 0 34px;
  background: #17201d;
  color: #fff;
}

.article-hero h1 {
  max-width: 860px;
  font-size: clamp(34px, 5.5vw, 64px);
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 34px;
  padding: 36px 0 54px;
}

.article-body {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.article-body h2 {
  margin-top: 30px;
  font-size: 25px;
  line-height: 1.35;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  margin-top: 24px;
  font-size: 19px;
}

.article-body p,
.article-body ul,
.article-body ol,
.article-body table {
  margin-top: 14px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.article-body th,
.article-body td {
  padding: 10px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  background: var(--surface-soft);
}

.verdict-box,
.note-box {
  margin-top: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.verdict-box h2 {
  margin-top: 0;
}

.verdict-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.verdict-grid div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.verdict-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.verdict-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 16px;
  line-height: 1.35;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
}

.cta-row span {
  max-width: 460px;
  color: var(--muted);
  font-size: 13px;
}

.buy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 15px;
  border-radius: 8px;
  background: var(--amber);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.check-list {
  display: grid;
  gap: 8px;
  padding-left: 20px;
}

.muted-list li {
  color: var(--muted);
}

.pros-cons {
  display: grid;
  gap: 12px;
}

.pros-cons section {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.pros-cons h3 {
  margin-top: 0;
}

.final-cta {
  padding: 18px;
  border-radius: 8px;
  background: #fff8ee;
}

.aside {
  align-self: start;
  position: sticky;
  top: 82px;
  display: grid;
  gap: 12px;
}

.aside-box {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.aside-box h2 {
  font-size: 16px;
}

.aside-box p,
.aside-box li {
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 860px) {
  .site-header,
  .section-head,
  .article-link {
    align-items: flex-start;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .grid,
  .review-spotlight,
  .article-shell {
    grid-template-columns: 1fr;
  }

  .aside {
    position: static;
  }
}

@media (max-width: 520px) {
  .hero {
    min-height: 70vh;
  }

  .hero-inner,
  .section-inner,
  .article-shell {
    width: min(100% - 22px, 1120px);
  }

  .button {
    width: 100%;
    justify-content: center;
  }

  .verdict-grid {
    grid-template-columns: 1fr;
  }

  .buy-button {
    width: 100%;
  }
}