:root {
  --main-blue: #2b5c8a;
  --accent-orange: #e8913a;
  --bg-white: #ffffff;
  --bg-gray: #f5f5f5;
  --bg-kit: #fff5eb;
  --text-main: #1f2a37;
  --text-sub: #4b5563;
  --border: #e6e8eb;
}

* {
  box-sizing: border-box;
}

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

.sp-only {
  display: none;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.narrow {
  width: min(840px, 92%);
}

h1,
h2,
h3 {
  margin: 0 0 0.8rem;
  line-height: 1.4;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

p,
li,
dd {
  font-size: 1rem;
  color: var(--text-sub);
}

.section {
  padding: 72px 0;
}

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

.section-gray {
  background: var(--bg-gray);
}

.hero {
  background: linear-gradient(140deg, #2b5c8a 0%, #1f4b74 100%);
  color: #fff;
  padding: 96px 0;
}

.hero p,
.hero h1 {
  color: #fff;
}

.hero-inner {
  max-width: 860px;
}

.hero-kicker {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.hero-subcopy {
  font-size: clamp(1rem, 2.1vw, 1.2rem);
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 8px;
  padding: 0.86rem 1.4rem;
  font-weight: 700;
  transition: 0.2s ease;
}

#hero-section .btn-cta {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

.btn-cta,
.btn-secondary {
  background: var(--accent-orange);
  color: #fff;
}

.btn-cta:hover,
.btn-secondary:hover {
  transform: translateY(-1px);
  filter: brightness(0.96);
}

.btn-outline {
  border: 1px solid var(--accent-orange);
  color: #8c4f16;
  background: #fff;
}

.btn-outline:hover {
  background: #fff4e7;
}

.icon-list,
.check-list,
.schedule-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.icon-list li,
.check-list li,
.schedule-list li {
  margin-bottom: 0.9rem;
}

#issues-section .container {
  text-align: center;
}

#issues-section .icon-list {
  max-width: 860px;
  margin: 0 auto;
}

#issues-section .icon-list li {
  text-align: left;
}

#agenda-section .container {
  text-align: center;
}

#agenda-section .check-list {
  max-width: 860px;
  margin: 0 auto;
}

#agenda-section .check-list li {
  text-align: left;
}

.icon {
  color: var(--accent-orange);
  margin-right: 0.65rem;
  font-size: 0.8rem;
  vertical-align: middle;
}

.check-list li::before {
  content: "✓";
  color: var(--accent-orange);
  margin-right: 0.55rem;
  font-weight: 700;
}

.support-text {
  margin-top: 1.2rem;
  color: #374151;
}

#overview-section > .container > h2 {
  text-align: center;
}

#features-section > .container > h2 {
  text-align: center;
}

#kit-section > .container > h2 {
  text-align: center;
}

#provider-section > .container > h2 {
  text-align: center;
}

#overview-section .btn-cta {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 1.8rem;
}

.overview-grid dl {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  padding: 1rem 1.2rem;
}

.overview-grid dl div {
  padding: 0.8rem 0;
  border-bottom: 1px solid #f0f0f0;
}

.overview-grid dl div:last-child {
  border-bottom: none;
}

dt {
  font-weight: 700;
  color: #111827;
  margin-bottom: 0.2rem;
}

dd {
  margin: 0;
}

.schedule-box {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  padding: 1rem 1.2rem;
}

.schedule-box ul {
  margin: 0;
  padding-left: 1.2rem;
}

.schedule-box li {
  margin-bottom: 0.7rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
}

.section-kit {
  background: var(--bg-kit);
}

.kit-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 18px;
}

.kit-card {
  background: #fff;
  border: 1px solid #f1ddca;
  border-radius: 12px;
  padding: 1.2rem;
}

.price {
  font-weight: 700;
  color: #111827;
}

.highlight {
  background: #fff7ef;
  border-left: 4px solid var(--accent-orange);
  padding: 0.7rem 0.9rem;
  color: #7a4a1f;
}

.provider-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
  background: #fff;
}

.provider-role {
  font-weight: 500;
  color: #374151;
}

.final-cta {
  text-align: center;
}

.schedule-list {
  margin-bottom: 1.2rem;
}

.footer {
  text-align: center;
  padding: 24px 12px;
  border-top: 1px solid #ececec;
  color: #6b7280;
}

@media (max-width: 960px) {
  .overview-grid,
  .card-grid,
  .kit-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 56px 0;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 72px 0;
  }

  .hero-kicker {
    font-size: 0.86rem;
  }

  .sp-only {
    display: inline;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}