:root {
  color-scheme: light;
  --ink: #24332d;
  --ink-soft: #596760;
  --green: #536f60;
  --green-dark: #385246;
  --mint: #dce9df;
  --mint-light: #edf4ee;
  --paper: #f7f4ee;
  --paper-deep: #eee8df;
  --white: #fffefa;
  --terracotta: #c9794a;
  --line: rgba(56, 82, 70, 0.16);
  --shadow: 0 28px 80px rgba(41, 56, 49, 0.15);
  --radius-lg: 32px;
  --radius-md: 22px;
  --content: 1180px;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 88% 5%, rgba(184, 210, 194, 0.42), transparent 30rem),
    var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(201, 121, 74, 0.62);
  outline-offset: 4px;
  border-radius: 8px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
}

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

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(56, 82, 70, 0.1);
  background: rgba(247, 244, 238, 0.86);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(calc(100% - 40px), var(--content));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 7px 20px rgba(43, 64, 53, 0.2);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav a {
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.91rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(82, 107, 93, 0.1);
  color: var(--green-dark);
}

.store-link-small {
  border: 1px solid var(--line);
  background: var(--white);
}

.page-shell {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
}

.hero {
  min-height: 680px;
  padding: 48px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  align-items: center;
  gap: clamp(40px, 6vw, 94px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--green-dark);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.eyebrow::before {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--terracotta);
  content: "";
}

.hero h1 {
  max-width: 9em;
  margin: 0;
  font-size: clamp(3.45rem, 5.3vw, 4.3rem);
  font-weight: 740;
  letter-spacing: -0.055em;
  line-height: 1.02;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero-copy {
  max-width: 36rem;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.7vw, 1.28rem);
  line-height: 1.9;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.button {
  min-height: 54px;
  padding: 13px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--green-dark);
  color: white;
  box-shadow: 0 14px 30px rgba(56, 82, 70, 0.25);
}

.button-primary:hover {
  background: #2f493d;
  box-shadow: 0 18px 34px rgba(56, 82, 70, 0.29);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 254, 250, 0.72);
  color: var(--green-dark);
}

.button-secondary:hover {
  background: var(--white);
}

.microcopy {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.hero-visual {
  position: relative;
  min-height: 690px;
  isolation: isolate;
}

.hero-visual::before {
  position: absolute;
  z-index: -1;
  inset: 8% 0 5% 9%;
  border: 1px solid rgba(82, 107, 93, 0.16);
  border-radius: 48% 52% 42% 58% / 43% 39% 61% 57%;
  background: linear-gradient(145deg, rgba(220, 233, 223, 0.8), rgba(255, 254, 250, 0.46));
  content: "";
}

.hero-shot {
  position: absolute;
  height: auto;
  border: 10px solid rgba(255, 255, 255, 0.84);
  border-radius: 32px;
  box-shadow: var(--shadow);
}

.hero-shot-ipad {
  top: 42px;
  right: 0;
  width: 82%;
  transform: rotate(2.4deg);
}

.hero-shot-phone {
  right: 51%;
  bottom: 0;
  width: 47%;
  transform: rotate(-4.2deg);
}

.section {
  padding: 112px 0;
}

.section-tight {
  padding: 78px 0;
}

.section-tint {
  position: relative;
  border-block: 1px solid var(--line);
  background: rgba(237, 244, 238, 0.62);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.56fr);
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  margin-bottom: 52px;
}

.section-heading h2,
.legal-hero h1 {
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 4.7rem);
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.section-heading p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 265px;
  padding: 28px;
  border: 1px solid rgba(56, 82, 70, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 254, 250, 0.78);
  box-shadow: 0 12px 35px rgba(43, 60, 52, 0.06);
}

.feature-index {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--mint);
  color: var(--green-dark);
  font-weight: 800;
}

.feature-card:nth-child(2) .feature-index {
  background: #eee6d8;
}

.feature-card:nth-child(3) .feature-index {
  background: #e5e4ef;
}

.feature-card:nth-child(4) .feature-index {
  background: #f1dfd2;
}

.feature-card h3 {
  margin: 22px 0 10px;
  font-size: 1.23rem;
  line-height: 1.45;
}

.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.showcase-track {
  margin-inline: calc((100vw - min(calc(100vw - 40px), var(--content))) / -2);
  padding: 20px max(20px, calc((100vw - var(--content)) / 2));
  display: grid;
  grid-auto-columns: minmax(290px, 390px);
  grid-auto-flow: column;
  gap: 24px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scrollbar-color: var(--green) transparent;
}

.showcase-card {
  margin: 0;
  scroll-snap-align: center;
  overflow: hidden;
  border: 1px solid rgba(56, 82, 70, 0.13);
  border-radius: 28px;
  background: white;
  box-shadow: 0 20px 54px rgba(44, 59, 52, 0.12);
}

.showcase-card img {
  width: 100%;
  height: auto;
}

.privacy-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 6vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(300px, 0.52fr);
  gap: 70px;
  border-radius: var(--radius-lg);
  background: var(--green-dark);
  color: white;
}

.privacy-panel::after {
  position: absolute;
  right: -8%;
  bottom: -48%;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  content: "";
}

.privacy-panel h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.5vw, 4.2rem);
  letter-spacing: -0.045em;
  line-height: 1.18;
}

.privacy-panel p {
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.76);
}

.privacy-list {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  list-style: none;
}

.privacy-list li {
  padding: 17px 18px;
  display: flex;
  gap: 13px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.07);
}

.privacy-list li::before {
  color: #cbe2d1;
  content: "✓";
  font-weight: 800;
}

.cta-panel {
  padding: 74px clamp(28px, 8vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 85% 15%, rgba(201, 121, 74, 0.18), transparent 13rem),
    var(--white);
  box-shadow: 0 16px 54px rgba(43, 60, 52, 0.08);
}

.cta-panel h2 {
  max-width: 14em;
  margin: 0;
  font-size: clamp(2rem, 4.4vw, 3.9rem);
  letter-spacing: -0.045em;
  line-height: 1.17;
}

.cta-panel p {
  margin: 18px 0 0;
  color: var(--ink-soft);
}

.site-footer {
  margin-top: 72px;
  border-top: 1px solid var(--line);
  background: #f0ebe3;
}

.footer-inner {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 48px 0 34px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand span {
  color: var(--ink-soft);
  font-size: 0.87rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 12px 22px;
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--ink-soft);
}

.copyright {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.82rem;
}

/* Legal and support pages */
.legal-hero {
  padding: 90px 0 58px;
  border-bottom: 1px solid var(--line);
}

.legal-hero p {
  max-width: 44rem;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.legal-meta {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.legal-layout {
  padding: 66px 0 112px;
  display: grid;
  grid-template-columns: 240px minmax(0, 760px);
  justify-content: space-between;
  gap: 72px;
}

.legal-toc {
  position: sticky;
  top: 112px;
  align-self: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 254, 250, 0.74);
}

.legal-toc strong {
  display: block;
  margin-bottom: 12px;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
}

.legal-toc a {
  padding: 6px 0;
  display: block;
  color: var(--ink-soft);
  font-size: 0.88rem;
  text-decoration: none;
}

.legal-toc a:hover {
  color: var(--green-dark);
}

.legal-content section {
  scroll-margin-top: 110px;
}

.legal-content section + section {
  margin-top: 58px;
  padding-top: 58px;
  border-top: 1px solid var(--line);
}

.legal-content h2 {
  margin: 0 0 20px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.4;
}

.legal-content h3 {
  margin: 34px 0 12px;
  font-size: 1.08rem;
}

.legal-content p,
.legal-content li {
  color: #3c4b44;
}

.legal-content ul,
.legal-content ol {
  padding-left: 1.35em;
}

.notice {
  margin: 28px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--terracotta);
  border-radius: 0 15px 15px 0;
  background: #f3e8dd;
}

.contact-card {
  margin-top: 32px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
}

.contact-card p {
  margin: 0 0 18px;
}

.support-grid {
  padding: 70px 0 108px;
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(300px, 0.42fr);
  gap: 60px;
}

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

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 254, 250, 0.82);
}

.faq-list summary {
  padding: 20px 54px 20px 22px;
  position: relative;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 22px;
  transform: translateY(-50%);
  color: var(--green);
  content: "+";
  font-size: 1.4rem;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 22px 22px;
  color: var(--ink-soft);
}

.faq-answer p {
  margin: 0;
}

.support-aside {
  align-self: start;
  padding: 30px;
  border-radius: 24px;
  background: var(--green-dark);
  color: white;
}

.support-aside h2 {
  margin: 0;
  font-size: 1.5rem;
}

.support-aside p {
  color: rgba(255, 255, 255, 0.76);
}

.support-aside .button {
  width: 100%;
  margin-top: 10px;
  background: white;
  color: var(--green-dark);
}

.support-aside small {
  margin-top: 14px;
  display: block;
  color: rgba(255, 255, 255, 0.62);
}

@media (max-width: 960px) {
  .nav-shell {
    min-height: 70px;
  }

  .site-nav a:not(.store-link-small) {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 58px;
  }

  .hero h1 {
    max-width: 10em;
  }

  .hero-visual {
    width: min(680px, 100%);
    min-height: 660px;
    margin: 0 auto;
  }

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

  .section-heading,
  .privacy-panel,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-toc {
    position: static;
    display: none;
  }
}

@media (max-width: 640px) {
  body {
    line-height: 1.68;
  }

  .nav-shell,
  .page-shell,
  .footer-inner {
    width: min(calc(100% - 28px), var(--content));
  }

  .brand {
    font-size: 0.93rem;
  }

  .brand img {
    width: 38px;
    height: 38px;
    border-radius: 11px;
  }

  .store-link-small {
    padding-inline: 11px !important;
    font-size: 0.82rem !important;
  }

  .hero {
    padding: 46px 0 72px;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 12.8vw, 3.5rem);
  }

  .hero-visual {
    min-height: 500px;
  }

  .hero-shot {
    border-width: 7px;
    border-radius: 23px;
  }

  .hero-shot-ipad {
    top: 25px;
    width: 88%;
  }

  .hero-shot-phone {
    right: 47%;
    width: 51%;
  }

  .section {
    padding: 78px 0;
  }

  .section-heading {
    margin-bottom: 34px;
    gap: 20px;
  }

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

  .feature-card {
    min-height: auto;
  }

  .showcase-track {
    grid-auto-columns: minmax(270px, 82vw);
  }

  .privacy-panel {
    gap: 38px;
  }

  .cta-panel {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

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

  .legal-hero {
    padding: 62px 0 42px;
  }

  .legal-layout,
  .support-grid {
    padding-top: 44px;
    padding-bottom: 78px;
  }
}

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

  .button {
    transition: none;
  }
}