:root {
  --bg: #FAF8F5;
  --main: #8A7D76;
  --accent: #6EADAA;
  --text: #413A36;
  --pale: #DBEAEA;
  --white: #FFFFFF;
  --line: #E9ECEB;
  --muted: #756B66;
  --mobile-header-height: 65px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 248, 245, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  margin: 0;
  font-family: "Figtree", sans-serif;
  font-size: 22px;
  font-optical-sizing: auto;
  letter-spacing: 2.4px;
  font-weight: 500;
  font-style: normal;
}

.brand a {
  text-decoration: none;
}

.menu-button {
  display: none;
  margin-left: auto;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 8px 14px;
  font-size: 22px;
}

.site-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 15px;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--pale);
  color: var(--text);
}

.site-nav a[href="https://maple-lab-jp.github.io/"] {
  margin-top: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  border-radius: 0 0 12px 12px;
}

.site-social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 2px 8px 0;
}

.site-nav .social-text-link {
  padding: 7px 8px;
}

.manual-nav-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  color: var(--muted);
  font-size: 15px;
  cursor: pointer;
  list-style: none;
}

.manual-nav-group summary::-webkit-details-marker {
  display: none;
}

.manual-nav-group summary::after {
  content: "+";
  color: var(--text);
  font-size: 20px;
  line-height: 1;
}

.manual-nav-group[open] summary {
  color: var(--text);
  font-weight: 700;
}

.manual-nav-group[open] summary::after {
  content: "−";
}

.manual-submenu {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 2px 0 8px 12px;
}

.site-nav .manual-submenu a {
  padding: 7px 10px;
  font-size: 14px;
}

.page-shell {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(240px, 28%) minmax(0, 1fr);
  gap: 32px;
}

.sidebar {
  position: sticky;
  top: 74px;
  align-self: start;
  max-height: calc(100vh - 96px);
  overflow: auto;
  padding: 24px 0;
}

.drawer-scrim {
  display: none;
}

main {
  min-width: 0;
  padding: 40px 0 72px;
}

.hero {
  padding: 44px 0 32px;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.65fr);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
}

.hero-app-preview {
  width: min(100%, 340px);
  margin: 0 auto;
}

.hero-app-preview img {
  display: block;
  width: 100%;
  max-height: 610px;
  object-fit: cover;
  object-position: top;
  border: 8px solid var(--white);
  border-radius: 30px;
  box-shadow: 0 22px 55px rgba(65, 58, 54, 0.16);
}

.eyebrow,
.section-number {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.25;
  letter-spacing: 0.04em;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.notice {
  margin-top: 28px;
  max-width: 760px;
  padding: 18px 20px;
  background: var(--pale);
  border-radius: 14px;
}

.notice p {
  margin: 4px 0 0;
}

.notice + .feature-list {
  margin-top: 20px;
}

.store-links {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.store-links.center {
  justify-content: center;
}

.store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--text);
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
}

.store-button.disabled {
  background: var(--pale);
  color: var(--main);
}

.instagram-icon {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.instagram-icon-dot {
  fill: currentColor;
  stroke: none;
}

.social-text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
}

.social-link-icon {
  width: 20px;
  height: 20px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
}

.social-link-icon img,
.social-link-icon .instagram-icon {
  display: block;
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.more-links-section {
  margin-top: 32px;
}

.more-links-heading {
  margin-bottom: 20px;
  text-align: center;
}

.more-links-heading h2 {
  margin-bottom: 0;
}

.more-links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.more-link-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: start;
  gap: 18px;
  padding: 24px;
  color: var(--text);
  background: var(--pale);
  border: 1px solid var(--line);
  border-radius: 22px;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.more-link-card:hover,
.more-link-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(65, 58, 54, 0.1);
}

.more-card-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--text);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.more-card-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.more-card-copy {
  min-width: 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
  line-height: 1.7;
}

.more-card-copy strong {
  color: var(--text);
  font-size: 20px;
}

.more-card-action {
  color: var(--main);
  font-size: 14px;
  font-weight: 700;
}

.sidebar-download {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--muted);
  font-size: 12px;
}

.sidebar-download-title {
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 700;
}

.qr-placeholder {
  width: 112px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 2px dashed var(--accent);
  border-radius: 12px;
  background: var(--white);
  color: var(--accent);
  font-weight: 700;
}

.footer-qr {
  margin: 18px auto 0;
}

.manual-section {
  margin-top: 28px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 24px;
}

.manual-section.compact {
  background: transparent;
}

.official-section {
  scroll-margin-top: 96px;
}

.centered-copy {
  max-width: 760px;
  margin: 0 auto 26px;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.problem-grid li {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.problem-grid strong,
.problem-grid span {
  display: block;
}

.problem-grid strong {
  margin-bottom: 8px;
}

.problem-grid span {
  color: var(--muted);
  font-size: 14px;
}

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

.feature-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.feature-card > img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top;
  border-bottom: 1px solid var(--line);
}

.feature-card > div {
  padding: 20px;
}

.feature-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.feature-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.feature-index {
  margin-bottom: 4px;
  color: var(--accent);
  font-family: "Figtree", sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-grid li {
  display: flex;
  gap: 14px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.step-number {
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-family: "Figtree", sans-serif;
  font-weight: 700;
}

.step-grid strong {
  display: block;
  margin-bottom: 4px;
}

.step-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.trust-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.6fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 24px;
  padding: 24px;
  background: var(--pale);
  border-radius: 18px;
}

.trust-panel h3,
.trust-panel p {
  margin-bottom: 0;
}

.download-cta {
  margin-top: 32px;
  padding: 32px;
  text-align: center;
  border-radius: 24px;
  background: var(--pale);
}

.section-copy h2 {
  margin-bottom: 10px;
  font-size: clamp(26px, 4vw, 38px);
}

.section-copy p:last-child {
  color: var(--muted);
}

.image-slot {
  margin: 24px 0;
}

.placeholder {
  min-height: 280px;
  display: grid;
  place-items: center;
  color: var(--main);
  background:
    linear-gradient(135deg, rgba(219, 234, 234, 0.75), rgba(255, 255, 255, 0.9));
  border: 2px dashed var(--accent);
  border-radius: 20px;
  font-weight: 700;
}

.manual-image {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--white);
}

.phone-capture {
  width: min(100%, 420px);
  margin: 0 auto;
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.feature-list {
  margin: 0;
  padding-left: 1.2em;
}

.feature-list li + li {
  margin-top: 6px;
}

.feature-list a {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.faq-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.faq-heading {
  margin-top: 0;
  padding-top: 5px;
}

.faq-list li {
  border-bottom: 1px solid var(--line);
}

.faq-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  text-decoration: none;
}

.faq-list a:hover {
  color: var(--accent);
}

.faq-arrow {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 20px;
}

.contact-template-wrap {
  margin-top: 28px;
}

.contact-template-wrap h3 {
  margin-bottom: 6px;
}

.contact-template-wrap > p {
  color: var(--muted);
}

.template-copy-button {
  min-height: 44px;
  padding: 0 16px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--white);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.copy-status {
  min-height: 1.8em;
  margin: 6px 0 0;
  font-size: 13px;
}

.contact-template {
  margin: 8px 0 0;
  padding: 18px;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.8;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.info-card {
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.info-card h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.info-card h3 a {
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

.info-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.platform-note {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--pale);
  border-radius: 14px;
}

.platform-note summary {
  cursor: pointer;
  font-weight: 700;
}

.platform-note p {
  margin: 10px 0 0;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.plan-card {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.plan-card.featured {
  border: 2px solid var(--accent);
}

.plan-card h3 {
  margin-bottom: 16px;
  font-size: 24px;
}

.plan-label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--accent);
  font-weight: 700;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
}

.document-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.section-detail {
  margin: 20px 0 0;
  color: var(--muted);
}

.document-meta {
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

.document-meta p {
  margin: 0;
}

.document-meta p + p {
  margin-top: 4px;
}

.document-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 20px;
}

.document-links a {
  color: var(--main);
  font-weight: 700;
  text-underline-offset: 4px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  background: var(--pale);
}

.site-footer {
  padding: 32px 20px;
  text-align: center;
  color: var(--main);
  border-top: 1px solid var(--line);
}

.site-footer-inner {
  width: min(960px, 100%);
  margin: 0 auto;
}

.footer-download-title {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
}

.footer-store-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer-store-links .store-button {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
}

.site-footer p {
  margin-bottom: 8px;
}

.site-footer .document-links {
  justify-content: center;
  margin-top: 8px;
}

.site-footer .document-links a {
  font-size: 12px;
  font-weight: 400;
  text-decoration: none;
}

.site-footer .document-links a:hover,
.site-footer .document-links a:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

.footer-social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 14px;
}

.footer-social-links a {
  font-size: 13px;
}

.footer-social-links a:hover,
.footer-social-links a:focus-visible {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-copyright {
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .menu-button {
    display: inline-block;
    position: relative;
    z-index: 21;
    min-width: 42px;
  }

  .page-shell {
    display: block;
    padding: 0 20px;
  }

  .sidebar {
    display: block;
    position: fixed;
    top: var(--mobile-header-height);
    right: 0;
    bottom: 0;
    z-index: 20;
    width: 80vw;
    height: calc(100dvh - var(--mobile-header-height));
    max-height: none;
    padding: 12px;
    background: var(--bg);
    border-left: 1px solid var(--line);
    box-shadow: -8px 0 24px rgba(65, 58, 54, 0.08);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 220ms ease;
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  .drawer-scrim {
    display: none;
    position: fixed;
    top: var(--mobile-header-height);
    left: 0;
    bottom: 0;
    width: 20vw;
    z-index: 19;
    border: 0;
    padding: 0;
    background: transparent;
  }

  .drawer-scrim.is-open {
    display: block;
  }

  .site-nav a {
    padding: 8px 10px;
    background: transparent;
    font-size: 15px;
  }

  .site-nav a.active {
    background: var(--pale);
  }

  .sidebar-download {
    display: none;
  }

  main {
    padding-top: 24px;
  }

  .manual-section {
    padding: 24px 18px;
    border-radius: 18px;
  }

  .hero-layout,
  .problem-grid,
  .feature-showcase,
  .step-grid,
  .trust-panel,
  .more-links-grid {
    grid-template-columns: 1fr;
  }

  .hero-app-preview {
    width: min(82%, 320px);
  }

  .centered-copy {
    text-align: left;
  }

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

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

  .footer-store-links {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-store-links .store-button {
    width: min(100%, 280px);
    margin: 0 auto;
  }

  .placeholder {
    min-height: 220px;
  }
}

@media (max-width: 760px) and (max-height: 699px) {
  :root {
    --mobile-header-height: 56px;
  }

  .header-inner {
    min-height: 56px;
    padding: 6px 20px;
    align-items: center;
    flex-wrap: nowrap;
  }

  .brand {
    line-height: 1.2;
  }

  .menu-button {
    min-height: 44px;
    padding: 4px 10px;
  }
}