:root {
  --ink: #10131b;
  --muted: #626977;
  --line: #e4e8ef;
  --paper: #f7f8fb;
  --white: #fff;
  --navy: #16223a;
  --blue: #2457d6;
  --cyan: #27b7d8;
  --gold: #c7a15a;
  --shadow: 0 20px 48px rgba(16, 19, 27, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.8;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  font-weight: 900;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(42px, 7vw, 96px) clamp(18px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(16, 25, 46, 0.96), rgba(25, 70, 150, 0.82)),
    #16223a;
}

.hero__copy {
  max-width: 700px;
}

.label {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(40px, 6vw, 74px);
  line-height: 1.12;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.24;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.35;
}

.lead {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(16px, 1.4vw, 19px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 900;
  text-decoration: none;
}

.button--primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 32px rgba(39, 183, 216, 0.22);
}

.button--ghost {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.hero__notes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero__notes span {
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.hero__media {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section {
  padding: clamp(50px, 7vw, 92px) clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 850px;
  margin: 0 auto 32px;
  text-align: center;
}

.section-heading p:not(.label) {
  color: var(--muted);
}

.feature-grid,
.price-grid,
.target-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}

.feature-grid article,
.price-grid article,
.target-grid article {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(16, 19, 27, 0.06);
}

.feature-grid span {
  color: var(--blue);
  font-size: 28px;
  font-weight: 900;
}

.feature-grid p,
.price-grid p,
.target-grid li {
  color: var(--muted);
}

.image-band {
  padding: 0 clamp(18px, 5vw, 72px) clamp(48px, 6vw, 76px);
}

.image-band img {
  width: min(1120px, 100%);
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section--compare {
  background: var(--white);
}

.compare-table {
  max-width: 1120px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.compare-table > div {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr;
}

.compare-table strong,
.compare-table span {
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.compare-table div:first-child {
  color: var(--white);
  background: var(--navy);
}

.compare-table div span:first-child {
  font-weight: 900;
  background: #f1f5fb;
}

.safety,
.report {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}

.safety__copy p,
.report p {
  color: var(--muted);
}

.safety ul,
.price-grid ul,
.target-grid ul {
  margin: 0;
  padding-left: 20px;
}

.safety img,
.report img {
  width: 100%;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.price {
  background: #eef4fb;
}

.price-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.price-main {
  color: var(--blue);
  font-size: 24px;
  font-weight: 900;
}

.target-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.report {
  padding: clamp(50px, 7vw, 92px) clamp(18px, 5vw, 72px);
}

.final-cta {
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 72px);
  color: var(--white);
  background: var(--navy);
  text-align: center;
}

.final-cta p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.8);
}

.footer {
  padding: 28px clamp(18px, 5vw, 72px) 84px;
  color: var(--muted);
  text-align: center;
}

.footer p {
  margin-bottom: 8px;
  font-weight: 900;
}

.sticky-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
}

.sticky-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 18px;
  color: var(--white);
  background: var(--blue);
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .hero,
  .safety,
  .report {
    grid-template-columns: 1fr;
  }

  .hero__media {
    order: -1;
  }

  .feature-grid,
  .price-grid,
  .target-grid {
    grid-template-columns: 1fr;
  }

  .compare-table > div {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 38px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
  }

  .button {
    width: 100%;
  }

  .section-heading {
    text-align: left;
  }

  .sticky-cta {
    right: 12px;
    bottom: 12px;
  }
}
