:root {
  --bg: #fcfcf9;
  --text: #172320;
  --primary: #0f766e;
  --secondary: #f97316;
  --surface: #ffffff;
  --line: #d9e3df;
}

* {
  box-sizing: border-box;
}

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

.hero {
  min-height: 76vh;
  padding: 28px 24px 40px;
  background:
    linear-gradient(160deg, rgba(249, 248, 242, 0.82) 0%, rgba(255, 255, 255, 0.84) 55%, rgba(243, 250, 248, 0.8) 100%),
    url("img/top.jpg?v=20260228") center / cover no-repeat;
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Montserrat", sans-serif;
  font-weight: 900;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
}

.logo-mark {
  width: 1.8rem;
  height: 1.8rem;
  object-fit: cover;
  flex-shrink: 0;
}

.hero-content {
  max-width: 1100px;
  margin: 72px auto 0;
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-weight: 700;
}

h1 {
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-size: clamp(2.1rem, 6vw, 4.4rem);
  line-height: 1.1;
  margin: 16px 0;
}

.lead {
  max-width: 760px;
  font-size: 1.06rem;
  line-height: 1.85;
}

.hero-cta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.btn {
  display: inline-block;
  text-decoration: none;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  border: 2px solid var(--primary);
  border-radius: 999px;
  padding: 12px 22px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.btn-small {
  padding: 9px 18px;
  font-size: 0.9rem;
}

.nav-reserve-btn {
  white-space: nowrap;
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
}

.hero-points {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-points li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.9rem;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px;
}

.concerns {
  padding-top: 40px;
}

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

h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  margin: 0 0 28px;
}

h3 {
  margin: 0 0 10px;
}

p {
  margin: 0;
  line-height: 1.75;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
}

.concern-card {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.concern-card.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.concern-card:nth-child(2) {
  transition-delay: 0.12s;
}

.concern-card:nth-child(3) {
  transition-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
  .concern-card {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.features {
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.05), transparent);
  border-radius: 32px;
}

.feature-card .number {
  display: inline-block;
  font-family: "Montserrat", sans-serif;
  font-weight: 900;
  color: var(--secondary);
  margin-bottom: 10px;
}

.plans .grid {
  grid-template-columns: 1fr;
  justify-items: center;
}

.plan-main {
  border-color: var(--primary);
  box-shadow: 0 14px 34px rgba(15, 118, 110, 0.14);
}

.flow-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-number {
  display: inline-block;
  align-self: flex-start;
  font-family: "Montserrat", sans-serif;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: rgba(15, 118, 110, 0.1);
  border-radius: 999px;
  padding: 4px 10px;
}

.tag {
  position: absolute;
  top: -12px;
  right: 18px;
  background: var(--secondary);
  color: #fff;
  font-size: 0.78rem;
  border-radius: 999px;
  padding: 4px 10px;
}

.price {
  margin: 10px 0;
  font-size: 2rem;
  line-height: 1;
  font-family: "Montserrat", sans-serif;
  font-weight: 900;
  color: var(--primary);
  text-align: center;
}

.price span {
  font-size: 0.9rem;
  color: #33514b;
}

.plan-duration {
  text-align: right;
}

.profile {
  max-width: 760px;
}

.voices {
  background: linear-gradient(180deg, rgba(249, 115, 22, 0.08), transparent);
  border-radius: 32px;
}

.voice-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.voice-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.voice-comment {
  font-size: 1.02rem;
}

.voice-name {
  font-size: 0.9rem;
  color: #46615b;
  font-weight: 700;
}

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

.access p {
  margin-bottom: 14px;
}

.map-embed {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}

.map-embed iframe {
  display: block;
  width: 100%;
  min-height: 360px;
  border: 0;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

.contact {
  text-align: center;
  margin-bottom: 80px;
}

.contact p {
  margin-bottom: 18px;
}

.contact-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer {
  text-align: center;
  padding: 0 24px 96px;
}

.site-footer p {
  font-size: 0.82rem;
  color: #5f7771;
}

.policy-text {
  margin-top: 6px;
}

.floating-cta {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 50;
  background: var(--secondary);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 16px;
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding-top: 16px;
  }

  .nav {
    align-items: flex-start;
    gap: 10px;
  }

  .nav-reserve-btn {
    align-self: flex-end;
  }

  .hero-content {
    margin-top: 44px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .floating-cta {
    left: 12px;
    right: 12px;
    text-align: center;
  }
}