:root {
  --green-900: #183c2a;
  --green-800: #245036;
  --green-700: #2f6a46;
  --green-100: #e8f2e8;
  --peach-600: #d66a43;
  --peach-200: #ffe2d3;
  --cream: #fffaf1;
  --paper: #fffdf8;
  --ink: #223127;
  --muted: #6c776f;
  --line: #e5ded2;
  --shadow: 0 18px 50px rgba(37, 54, 39, 0.12);
  --radius: 8px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 14px max(20px, calc((100vw - var(--container)) / 2));
  background: rgba(255, 253, 248, 0.92);
  border-bottom: 1px solid rgba(229, 222, 210, 0.7);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--green-900);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: #fff;
  background: var(--green-800);
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--green-700);
}

.header-cta {
  padding: 10px 18px;
  border-radius: 999px;
  color: #fff;
  background: var(--green-800);
  font-weight: 800;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--green-900);
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background: linear-gradient(135deg, var(--green-800), var(--green-100));
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(24, 60, 42, 0.9) 0%, rgba(24, 60, 42, 0.72) 38%, rgba(24, 60, 42, 0.16) 72%),
    linear-gradient(0deg, rgba(24, 60, 42, 0.2), rgba(24, 60, 42, 0.2));
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 96px 0;
}

.hero-copy {
  max-width: 670px;
}

.hero-badge {
  display: inline-grid;
  gap: 2px;
  margin-bottom: 18px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
}

.hero-badge span,
.hero-badge small {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.82rem;
  font-weight: 800;
}

.hero-badge strong {
  color: #fff;
  font-size: 1.08rem;
  line-height: 1.35;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--peach-600);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero .eyebrow {
  color: var(--peach-200);
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(2.45rem, 5vw, 4.6rem);
  line-height: 1.18;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  color: var(--green-900);
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  line-height: 1.35;
}

h3 {
  margin-bottom: 10px;
  color: var(--green-900);
  font-size: 1.2rem;
  line-height: 1.4;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 30px;
  font-size: 1.15rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37, 54, 39, 0.16);
}

.button.primary {
  color: #fff;
  background: var(--peach-600);
}

.button.secondary {
  color: var(--green-900);
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.7);
}

.button.ghost {
  color: var(--green-800);
  background: #fff;
  border-color: var(--line);
}

.button.line {
  color: #fff;
  background: #20a85a;
}

.button.monitor-button {
  color: var(--green-900);
  background: var(--peach-200);
  border-color: rgba(255, 226, 211, 0.7);
}

.button.full {
  width: 100%;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-points span {
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  font-weight: 700;
}

.section {
  padding: 92px 0;
}

.intro {
  background: var(--cream);
}

.two-column,
.split-panel,
.monitor-panel,
.notice-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 54px;
  align-items: start;
}

.two-column p {
  color: var(--muted);
  font-size: 1.04rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading.compact {
  margin-bottom: 0;
}

.section-heading p,
.solution p,
.monitor p,
.contact p {
  color: var(--muted);
}

.cards,
.feature-grid,
.pricing-grid {
  display: grid;
  gap: 18px;
}

.problem {
  background: #fff;
}

.problem-grid {
  grid-template-columns: repeat(7, 1fr);
}

.card {
  min-height: 138px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--green-900);
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(37, 54, 39, 0.06);
}

.solution {
  background: var(--green-100);
}

.solution-list {
  display: grid;
  gap: 14px;
}

.solution-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 8px 26px rgba(37, 54, 39, 0.08);
}

.solution-list strong {
  color: var(--green-800);
}

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

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

.feature {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #fff;
  background: var(--green-700);
  font-weight: 800;
}

.feature p {
  margin-bottom: 0;
  color: var(--muted);
}

.scene {
  background: var(--cream);
}

.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.scene-tags span {
  padding: 12px 16px;
  border: 1px solid #edd8c9;
  border-radius: 999px;
  background: #fff;
  color: var(--green-900);
  font-weight: 800;
}

.process {
  background: #fff;
}

.usage-flow {
  background: var(--cream);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--green-100);
  counter-increment: steps;
}

.steps li::before {
  content: counter(steps, decimal-leading-zero);
  display: block;
  margin-bottom: 22px;
  color: var(--peach-600);
  font-size: 1.6rem;
  font-weight: 800;
}

.steps strong,
.steps span {
  display: block;
}

.steps span {
  margin-top: 8px;
  color: var(--muted);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.flow-list div {
  position: relative;
  min-height: 176px;
  padding: 22px 18px;
  border: 1px solid #edd8c9;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 28px rgba(37, 54, 39, 0.08);
}

.flow-list div:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -11px;
  width: 18px;
  height: 18px;
  border-top: 3px solid var(--peach-600);
  border-right: 3px solid var(--peach-600);
  transform: translateY(-50%) rotate(45deg);
  background: var(--cream);
}

.flow-list strong,
.flow-list span {
  display: block;
}

.flow-list strong {
  color: var(--green-900);
  line-height: 1.45;
}

.flow-list span {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.94rem;
}

.pricing {
  background: #f7f3ea;
}

.pricing-grid {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.featured-price {
  border: 2px solid var(--peach-600);
  transform: translateY(-10px);
}

.plan-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 5px 12px;
  border-radius: 999px;
  color: #fff;
  background: var(--peach-600);
  font-size: 0.82rem;
  font-weight: 800;
}

.price {
  margin-bottom: 4px;
  color: var(--green-900);
  font-size: 2rem;
  font-weight: 800;
}

.price span {
  display: inline-block;
  margin-left: 2px;
  font-size: 0.95rem;
}

.price-note {
  min-height: 54px;
  margin-bottom: 20px;
  color: var(--muted);
}

.price-card ul,
.monitor-box ul,
.notice-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.price-card li,
.monitor-box li,
.notice-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--muted);
}

.price-card li::before,
.monitor-box li::before,
.notice-list li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green-700);
}

.price-card .button {
  margin-top: auto;
}

.pricing-note-box {
  margin-top: 28px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 12px 32px rgba(37, 54, 39, 0.08);
}

.pricing-note-box h3 {
  margin-bottom: 8px;
}

.pricing-note-box p {
  margin-bottom: 10px;
  color: var(--muted);
}

.pricing-note-box p:last-child {
  margin-bottom: 0;
}

.monitor {
  background: var(--green-800);
  color: #fff;
}

.monitor h2,
.monitor .eyebrow {
  color: #fff;
}

.monitor p {
  color: rgba(255, 255, 255, 0.84);
}

.monitor-panel {
  align-items: center;
}

.monitor-box {
  padding: 28px;
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
}

.monitor-price {
  margin-bottom: 0;
  color: var(--peach-600);
  font-size: 2.5rem;
  font-weight: 800;
}

.monitor-sub {
  margin-bottom: 20px;
  color: var(--muted) !important;
}

.notice {
  background: var(--cream);
}

.notice-panel {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.faq {
  background: #fff;
}

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

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

summary {
  cursor: pointer;
  padding: 18px 22px;
  color: var(--green-900);
  font-weight: 800;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.contact {
  background: linear-gradient(135deg, var(--green-100), var(--cream));
}

.contact-panel {
  padding: 46px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-panel h2 {
  max-width: 780px;
}

.contact-panel p {
  max-width: 850px;
}

.contact-note {
  margin: 18px 0 0;
  font-size: 0.9rem;
}

.legal-page {
  background: var(--cream);
}

.page-hero {
  padding: 88px 0 48px;
  background: linear-gradient(135deg, var(--green-100), var(--cream));
}

.page-hero h1 {
  max-width: 820px;
  margin-bottom: 16px;
  color: var(--green-900);
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.page-hero p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
}

.legal-content {
  padding: 56px 0 88px;
}

.legal-panel {
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.legal-list {
  display: grid;
  gap: 18px;
  margin: 0;
}

.legal-list div {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.legal-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.legal-list dt {
  color: var(--green-900);
  font-weight: 800;
}

.legal-list dd {
  margin: 0;
  color: var(--muted);
}

.policy-section + .policy-section {
  margin-top: 34px;
}

.policy-section h2 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.policy-section p,
.policy-section li {
  color: var(--muted);
}

.policy-section ul {
  padding-left: 1.2em;
  margin: 0;
}

.site-footer {
  padding: 34px 0 24px;
  color: #fff;
  background: var(--green-900);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p,
.footer-bottom small {
  margin: 0;
}

.footer-contact {
  margin-top: 6px !important;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  font-size: 0.92rem;
}

.footer-bottom {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.68);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .site-header.nav-active .site-nav {
    position: fixed;
    top: 65px;
    left: 20px;
    right: 20px;
    display: grid;
    gap: 4px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
  }

  .site-header.nav-active .site-nav a {
    padding: 12px;
  }

  .hero {
    min-height: 640px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(24, 60, 42, 0.9) 0%, rgba(24, 60, 42, 0.78) 60%, rgba(24, 60, 42, 0.42) 100%),
      linear-gradient(0deg, rgba(24, 60, 42, 0.28), rgba(24, 60, 42, 0.28));
  }

  .two-column,
  .split-panel,
  .monitor-panel,
  .notice-panel {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .problem-grid,
  .feature-grid,
  .pricing-grid,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-list div:not(:last-child)::after {
    display: none;
  }

  .featured-price {
    transform: none;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .site-header {
    padding: 10px 14px;
  }

  .hero {
    min-height: 560px;
  }

  .hero-media img {
    object-position: 64% center;
  }

  .hero-inner {
    padding: 38px 0 36px;
  }

  .hero-badge {
    margin-bottom: 14px;
    padding: 10px 14px;
  }

  .hero-badge strong {
    font-size: 1rem;
  }

  h1 {
    margin-bottom: 16px;
    font-size: clamp(1.85rem, 8vw, 2.35rem);
  }

  .hero-lead {
    margin-bottom: 22px;
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .hero-actions .button {
    width: auto;
    min-height: 44px;
    padding: 11px 14px;
  }

  .hero-actions .button.primary {
    grid-column: 1 / -1;
  }

  .hero-points {
    gap: 8px;
    margin-top: 20px;
  }

  .hero-points span {
    padding: 7px 10px;
    font-size: 0.84rem;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }

  .problem-grid,
  .feature-grid,
  .pricing-grid,
  .steps,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: auto;
  }

  .solution-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .price-note {
    min-height: auto;
  }

  .monitor-box,
  .notice-panel,
  .contact-panel,
  .price-card,
  .feature,
  .pricing-note-box,
  .legal-panel {
    padding: 24px;
  }

  .page-hero {
    padding: 64px 0 36px;
  }

  .legal-content {
    padding: 40px 0 64px;
  }

  .legal-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
    flex-direction: column;
  }
}