:root {
  --bg: #ffffff;
  --main: #1b3a5c;
  --sub: #6b8cae;
  --accent: #e07b42;
  --text: #1f2933;
  --muted: #5f6b7a;
  --light: #f5f5f5;
  --footer: #333333;
  --radius: 8px;
  --container: 800px;
  --shadow: 0 8px 24px rgba(27, 58, 92, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
}

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

a {
  color: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.section {
  padding-block: 60px;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.4;
  color: var(--main);
  margin-bottom: 24px;
}

h3 {
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--main);
}

p {
  color: var(--text);
}

.hero {
  background: var(--main);
  color: #fff;
  padding-block: 80px;
}

.hero .container {
  display: grid;
  gap: 16px;
}

.hero-kicker {
  color: #fff;
  font-size: 0.95rem;
  opacity: 0.95;
}

.hero h1 {
  color: #fff;
  font-size: clamp(1.9rem, 7vw, 2.9rem);
  line-height: 1.3;
  font-weight: 900;
}

.hero-subcopy {
  color: #fff;
  font-size: 1.05rem;
}

.hero-note {
  color: #fff;
  font-size: 0.9rem;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  width: fit-content;
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.25s ease, transform 0.2s ease;
}

.btn-cta {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  padding: 16px 32px;
  margin-top: 4px;
}

.btn-cta:hover,
.btn-cta:focus-visible {
  background: #c96833;
  transform: translateY(-1px);
}

.problem-cards {
  display: grid;
  gap: 16px;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.icon {
  font-size: 1.3rem;
  line-height: 1;
}

.section-why p {
  margin-bottom: 22px;
}

.radar-image-wrap {
  margin: 0;
}

.radar-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  margin-inline: auto;
  border-radius: 10px;
}

.section-flow {
  background: var(--light);
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #c7ced8;
}

.timeline li {
  position: relative;
  padding-left: 40px;
  margin-bottom: 28px;
}

.timeline li:last-child {
  margin-bottom: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.6em;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--sub);
}

.timeline-content p {
  margin-top: 4px;
  color: var(--muted);
}

.effects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.effect-item {
  border: 1px solid #e2e8f0;
  border-left: 4px solid var(--sub);
  border-radius: var(--radius);
  padding: 16px;
  background: #fff;
}

.supplement {
  margin-top: 18px;
  font-size: 0.95rem;
  color: var(--muted);
}

.table-block + .table-block {
  margin-top: 34px;
}

.table-block h3 {
  margin-bottom: 12px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 320px;
  table-layout: fixed;
}

th,
td {
  width: 50%;
}

th,
td {
  border: 1px solid #d5dce5;
  padding: 12px;
  text-align: left;
}

thead th {
  background: var(--main);
  color: #fff;
}

tbody tr:nth-child(even) {
  background: #f8fafc;
}

.pricing-note {
  margin-top: 20px;
  color: var(--muted);
}

.section-faq {
  background: var(--light);
}

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

.faq-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid #d5dce5;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  border: none;
  background: transparent;
  padding: 16px;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font: inherit;
  cursor: pointer;
  color: var(--main);
  font-weight: 700;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--sub);
}

.faq-answer {
  padding: 0 16px 16px;
}

.faq-answer p {
  color: var(--text);
}

.section-bottom-cta {
  background: var(--main);
  color: #fff;
  padding-block: 60px;
}

.section-bottom-cta h2,
.section-bottom-cta p {
  color: #fff;
}

.section-bottom-cta .container {
  display: grid;
  gap: 16px;
}

.footer {
  background: var(--footer);
  color: #fff;
  font-size: 0.85rem;
  padding-block: 28px;
}

.footer .container {
  display: grid;
  gap: 6px;
}

.footer p,
.footer a {
  color: #ffffff;
}

.footer a {
  text-decoration: underline;
}

@media (min-width: 768px) {
  .section {
    padding-block: 72px;
  }

  .problem-cards {
    grid-template-columns: 1fr 1fr;
  }

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