:root {
  color-scheme: light;
  --background: #f7f8f7;
  --surface: #ffffff;
  --text: #202522;
  --muted: #626a65;
  --border: #dfe4e1;
  --accent: #2f6652;
  --accent-dark: #204a3b;
  --accent-soft: #eaf2ee;
  --max-width: 68rem;
  --content-width: 48rem;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--text);
  background: var(--background);
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
}

a:hover {
  color: var(--accent-dark);
}

a:focus-visible {
  outline: 3px solid rgba(47, 102, 82, 0.35);
  outline-offset: 3px;
  border-radius: 0.2rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  padding: 0.6rem 0.9rem;
  color: #ffffff;
  background: var(--accent-dark);
  border-radius: 0.35rem;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.site-footer {
  background: var(--surface);
}

.site-header {
  border-bottom: 1px solid var(--border);
}

.header-inner,
.footer-inner,
.page {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.utility-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  padding-block: 0.7rem;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
}

.utility-bar p {
  margin: 0;
  color: var(--muted);
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.language-switcher [aria-current="page"] {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  padding-block: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mietsumi-nav {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: 0.4rem;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.page {
  min-height: 60vh;
  padding-block: clamp(2.75rem, 7vw, 5.5rem);
}

.hero {
  max-width: var(--content-width);
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  line-height: 1.3;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 4.25rem);
  letter-spacing: -0.035em;
}

.lead {
  max-width: 40rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.4vw, 1.2rem);
}

.section-heading {
  margin: 0 0 1.25rem;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: 1rem;
  max-width: var(--content-width);
}

.app-card {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  align-items: start;
  gap: 1.25rem;
  min-height: 13rem;
  padding: clamp(1.35rem, 3vw, 1.8rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.app-card-body h3 {
  margin: 0 0 0.65rem;
  font-size: 1.3rem;
}

.app-card-body p {
  margin: 0;
  color: var(--muted);
}

.app-card-body > a,
.app-card-links > a:first-child {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  margin-top: 1.1rem;
  font-weight: 700;
}

.app-card-links {
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  margin-top: 1rem;
}

.app-card-links > a:first-child {
  margin-top: 0;
}

.app-card-links .app-store-badge-link {
  margin-left: auto;
}

.app-store-badge-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-radius: 0.45rem;
}

.app-store-badge {
  display: block;
  width: auto;
  height: 2.5rem;
}

.app-icon {
  display: block;
  width: 5.5rem;
  height: 5.5rem;
  background: transparent;
  border-radius: 1.25rem;
  box-shadow:
    0 0 0 1px rgba(49, 86, 110, 0.1),
    0 0.5rem 1.25rem rgba(32, 37, 34, 0.1);
}

.app-hero {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.app-icon-large {
  width: 8rem;
  height: 8rem;
  border-radius: 1.8rem;
}

.content-sections {
  display: grid;
  gap: 1rem;
  max-width: var(--content-width);
}

.content-section {
  padding: clamp(1.3rem, 3vw, 1.8rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  scroll-margin-top: 1rem;
}

.content-section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
}

.content-section p {
  margin: 0;
  color: var(--muted);
}

.support-page {
  width: min(100% - 2.5rem, 60rem);
}

.support-header {
  max-width: 52rem;
}

.support-header h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
}

.store-download {
  display: flex;
  max-width: 46rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: clamp(-2rem, -3vw, -1rem) 0 clamp(3rem, 7vw, 5rem);
  padding: clamp(1.25rem, 3vw, 1.65rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.store-download h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.65rem);
}

.store-download-copy > p {
  margin: 0.5rem 0 0.8rem;
  color: var(--muted);
}

.store-qr {
  flex: 0 0 8rem;
  text-align: center;
}

.store-qr a {
  display: inline-flex;
  border-radius: 0.5rem;
}

.store-qr img {
  display: block;
  width: 8rem;
  height: 8rem;
  border-radius: 0.45rem;
}

.store-qr p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.support-content {
  max-width: 56rem;
}

.support-content > section {
  margin-top: clamp(3rem, 7vw, 5rem);
  scroll-margin-top: 1rem;
}

.support-content > section:first-child {
  margin-top: 0;
}

.support-content h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
}

.support-content h3 {
  margin: 2rem 0 0.65rem;
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
}

.support-content p,
.support-content ul,
.support-content ol {
  max-width: 46rem;
}

.support-content p {
  margin: 0.8rem 0 0;
}

.support-content ul,
.support-content ol {
  margin-block: 1rem;
  padding-left: 1.5rem;
}

.support-content li + li {
  margin-top: 0.4rem;
}

.feature-grid,
.link-card-grid,
.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.feature-card,
.link-card,
.plan-card,
.notice {
  padding: clamp(1.25rem, 3vw, 1.65rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.feature-card h3,
.link-card h3,
.plan-card h2,
.plan-card h3 {
  margin-top: 0;
}

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

.link-card {
  display: flex;
  flex-direction: column;
}

.link-card a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  margin-top: auto;
  padding-top: 1rem;
  font-weight: 700;
}

.media-figure {
  width: min(100%, 32rem);
  margin: 1.5rem 0;
  padding: 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
}

.media-figure-portrait {
  width: min(100%, 14rem);
}

.media-figure-wide {
  width: min(100%, 36rem);
}

.media-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 0.55rem;
}

.media-figure figcaption {
  padding: 0.8rem 0.35rem 0.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 1rem;
  max-width: 46rem;
  margin-top: 1.5rem;
}

.media-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 56rem;
}

.media-grid .media-figure {
  width: 100%;
  margin: 0;
}

.notice {
  max-width: 46rem;
  margin-top: 1.5rem;
  border-left: 0.3rem solid var(--accent);
}

.notice p:first-child {
  margin-top: 0;
}

.compact-list {
  columns: 2;
  column-gap: 2.5rem;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 48rem;
  margin-top: 1.25rem;
}

.faq-list details {
  padding: 1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
}

.faq-list summary {
  min-height: 2.75rem;
  align-content: center;
  font-weight: 700;
  cursor: pointer;
}

.faq-list details p {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.contact-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  font-weight: 700;
}

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

.footer-content {
  display: grid;
  gap: 0.65rem;
  width: 100%;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
}

.footer-nav a {
  min-height: 2.75rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
}

.footer-meta p {
  margin: 0;
}

.footer-language {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-footer {
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 1.5rem;
  font-size: 0.9rem;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
}

.footer-inner a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
}

.redirect-page {
  display: grid;
  min-height: 100vh;
  padding: 1.25rem;
  place-items: center;
}

.redirect-card {
  width: min(100%, 32rem);
  padding: clamp(1.5rem, 5vw, 2.5rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 1rem 3rem rgba(32, 37, 34, 0.07);
}

.redirect-card h1 {
  font-size: clamp(1.75rem, 6vw, 2.5rem);
}

.redirect-card p:not(.eyebrow) {
  margin-block: 1rem 0;
  color: var(--muted);
}

.language-choice {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  min-width: 7rem;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  color: #ffffff;
  font-weight: 700;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 0.45rem;
  text-decoration: none;
}

.button:hover {
  color: #ffffff;
  background: var(--accent-dark);
}

.button-secondary {
  color: var(--accent-dark);
  background: var(--surface);
}

.button-secondary:hover {
  color: var(--accent-dark);
  background: var(--accent-soft);
}

@media (max-width: 42rem) {
  .header-inner,
  .footer-inner,
  .page {
    width: min(100% - 2rem, var(--max-width));
  }

  .utility-bar,
  .primary-nav,
  .footer-inner {
    align-items: flex-start;
  }

  .utility-bar {
    justify-content: flex-start;
  }

  .primary-nav {
    flex-direction: column;
    gap: 0.7rem;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
  }

  .mietsumi-nav {
    justify-content: flex-start;
  }

  .nav-links a {
    padding-inline: 0.6rem;
  }

  .app-card {
    min-height: 0;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.25rem;
  }

  .support-page {
    width: min(100% - 2rem, 60rem);
  }

  .feature-grid,
  .link-card-grid,
  .plan-grid,
  .media-grid {
    grid-template-columns: 1fr;
  }

  .compact-list {
    columns: 1;
  }

  .store-download {
    margin-top: -1rem;
  }

  .store-qr {
    display: none;
  }
}

@media (max-width: 30rem) {
  .app-card,
  .app-hero {
    grid-template-columns: 1fr;
  }

  .app-icon-large {
    width: 6.5rem;
    height: 6.5rem;
    border-radius: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}