:root {
  color-scheme: light;
  --peach: #ef8264;
  --peach-deep: #d95f45;
  --peach-soft: #fff0e9;
  --paper: #fffefd;
  --cocoa: #3f2923;
  --cocoa-soft: #6f5047;
  --blue: #0a84ff;
  --line: rgba(63, 41, 35, 0.14);
  --shadow: 0 24px 70px rgba(100, 55, 42, 0.14);
  --page-width: 1240px;
  --page-x: clamp(22px, 5vw, 72px);
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo,
    system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--cocoa);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.skip-link {
  position: fixed;
  z-index: 3000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--cocoa);
  color: #fff;
  font-size: 13px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  border-bottom: 1px solid rgba(63, 41, 35, 0.08);
  background: rgba(255, 254, 253, 0.88);
  backdrop-filter: blur(18px) saturate(150%);
}
.header-inner {
  display: flex;
  width: min(100%, var(--page-width));
  min-height: 72px;
  align-items: center;
  gap: clamp(18px, 4vw, 48px);
  margin-inline: auto;
  padding-inline: var(--page-x);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.04em;
}
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 22%;
  box-shadow: 0 5px 16px rgba(104, 54, 39, 0.18);
}
.site-header nav {
  display: flex;
  gap: clamp(16px, 3vw, 34px);
  margin-left: auto;
  color: var(--cocoa-soft);
  font-size: 13px;
  font-weight: 700;
}
.site-header nav a,
footer nav a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.35em;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}
.site-header nav a:hover,
.site-header nav a:focus-visible,
footer nav a:hover,
footer nav a:focus-visible {
  color: var(--peach-deep);
  text-decoration-color: currentColor;
}
.header-cta {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--cocoa);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  transition: background 160ms ease, transform 160ms ease;
}
.header-cta:hover,
.header-cta:focus-visible {
  background: var(--peach-deep);
  transform: translateY(-1px);
}

main { overflow: hidden; }
.hero {
  position: relative;
  display: grid;
  width: min(100%, var(--page-width));
  min-height: 720px;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  align-items: center;
  gap: clamp(44px, 8vw, 110px);
  margin-inline: auto;
  padding: clamp(72px, 9vw, 126px) var(--page-x) 94px;
}
.hero::before {
  position: absolute;
  z-index: -1;
  top: -220px;
  right: -150px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 130, 100, 0.2), rgba(239, 130, 100, 0) 67%);
  content: "";
}
.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--peach-deep);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.16em;
  line-height: 1.3;
}
.hero h1 {
  margin: 0;
  color: var(--cocoa);
  font-size: clamp(46px, 6vw, 82px);
  font-weight: 850;
  letter-spacing: -0.075em;
  line-height: 1.16;
}
.hero h1 span { color: var(--peach-deep); }
.hero-lead {
  max-width: 640px;
  margin: 28px 0 34px;
  color: var(--cocoa-soft);
  font-size: clamp(16px, 1.55vw, 19px);
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.hero-actions > p {
  margin: 0;
  color: #8a6d64;
  font-size: 12px;
  line-height: 1.65;
}
.store-badge-link {
  display: inline-flex;
  min-height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.store-badge-link:focus-visible {
  outline: 3px solid var(--peach-deep);
  outline-offset: 3px;
}
.store-badge {
  display: block;
  width: auto;
  height: 48px;
}
.hero-visual {
  position: relative;
  display: grid;
  min-height: 560px;
  place-items: center;
}
.hero-orbit {
  position: absolute;
  width: min(39vw, 500px);
  aspect-ratio: 1;
  border: 1px solid rgba(217, 95, 69, 0.28);
  border-radius: 50%;
}
.hero-orbit::before,
.hero-orbit::after {
  position: absolute;
  border-radius: 50%;
  background: var(--peach);
  content: "";
}
.hero-orbit::before { top: 7%; left: 9%; width: 13px; height: 13px; }
.hero-orbit::after { right: 3%; bottom: 20%; width: 8px; height: 8px; }
.hero-screen {
  position: relative;
  z-index: 2;
  width: min(70%, 350px);
  border: 7px solid #fff;
  border-radius: 46px;
  box-shadow: 0 34px 78px rgba(92, 48, 35, 0.2);
  transform: rotate(3deg);
}
.hero-icon {
  position: absolute;
  z-index: 3;
  right: max(2%, 10px);
  bottom: 7%;
  width: clamp(104px, 13vw, 164px);
  border: 5px solid #fff;
  border-radius: 24%;
  box-shadow: 0 22px 48px rgba(92, 48, 35, 0.25);
  transform: rotate(-5deg);
}

.trust-strip {
  display: grid;
  width: min(100% - (var(--page-x) * 2), calc(var(--page-width) - (var(--page-x) * 2)));
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}
.trust-strip li {
  display: flex;
  min-height: 112px;
  flex-direction: column;
  justify-content: center;
  padding: 20px clamp(18px, 3vw, 42px);
}
.trust-strip li + li { border-left: 1px solid var(--line); }
.trust-strip strong {
  font-size: 18px;
  font-weight: 850;
  letter-spacing: -0.03em;
}
.trust-strip span { color: #8a6d64; font-size: 12px; }

.section-shell {
  width: min(100%, var(--page-width));
  margin-inline: auto;
  padding: clamp(96px, 11vw, 150px) var(--page-x);
}
.problem-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: clamp(48px, 9vw, 130px);
}
.problem-grid h2,
.section-heading h2,
.steps-section > h2,
.download-section h2,
.faq-heading h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 66px);
  font-weight: 850;
  letter-spacing: -0.065em;
  line-height: 1.25;
}
.problem-copy { padding-top: 12px; color: var(--cocoa-soft); }
.problem-copy p { margin: 0 0 26px; }
.problem-copy .large-copy {
  margin: 0;
  color: var(--cocoa);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 720;
  line-height: 1.75;
}

.features-section {
  width: 100%;
  max-width: none;
  background: var(--peach-soft);
}
.features-section > * {
  width: min(100%, calc(var(--page-width) - (var(--page-x) * 2)));
  margin-inline: auto;
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 64px;
}
.section-heading > p {
  max-width: 430px;
  margin: 0 0 8px;
  color: var(--cocoa-soft);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 82px;
}
.feature-card {
  min-height: 310px;
  padding: clamp(27px, 3.5vw, 44px);
  border: 1px solid rgba(90, 53, 42, 0.1);
  border-radius: 28px;
  background: rgba(255, 254, 253, 0.74);
}
.feature-card.featured { background: var(--peach); color: #fff; }
.feature-number {
  display: inline-block;
  margin-bottom: 50px;
  color: var(--peach-deep);
  font-size: 12px;
  font-weight: 850;
}
.feature-card.featured .feature-number { color: #fff; }
.feature-card h3 {
  margin: 0 0 14px;
  font-size: 28px;
  font-weight: 850;
  letter-spacing: -0.045em;
}
.feature-card p {
  margin: 0;
  color: var(--cocoa-soft);
  font-size: 14px;
}
.feature-card.featured p { color: rgba(255, 255, 255, 0.92); }
.screenshots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2.5vw, 28px);
}
.screenshots figure { min-width: 0; margin: 0; }
.screenshots img {
  width: 100%;
  border-radius: clamp(18px, 2vw, 30px);
  box-shadow: var(--shadow);
}
.screenshots figcaption {
  display: flex;
  gap: 10px;
  padding: 18px 4px 0;
  font-size: 13px;
  font-weight: 750;
}
.screenshots figcaption span { color: var(--peach-deep); }

.privacy-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(440px, 1.05fr);
  align-items: center;
  gap: clamp(50px, 9vw, 120px);
  padding: clamp(96px, 11vw, 150px) max(var(--page-x), calc((100vw - var(--page-width)) / 2 + var(--page-x)));
  background: var(--cocoa);
  color: #fff;
}
.privacy-section .section-kicker { color: #ffac94; }
.privacy-copy h2 {
  margin: 0 0 28px;
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 850;
  letter-spacing: -0.065em;
  line-height: 1.2;
}
.privacy-copy > p:not(.section-kicker) {
  max-width: 560px;
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.74);
}
.privacy-copy a {
  color: #ffb39e;
  font-size: 13px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 0.35em;
}
.privacy-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: clamp(9px, 1.4vw, 18px);
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.055);
}
.privacy-diagram div {
  display: flex;
  min-width: 70px;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.privacy-diagram div span {
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border-radius: 18px;
  background: var(--peach);
  color: #fff;
  font-size: 16px;
  letter-spacing: -0.18em;
}
.privacy-diagram strong { font-size: 11px; line-height: 1.35; }
.privacy-diagram i { color: rgba(255, 255, 255, 0.35); font-style: normal; }
.privacy-diagram > p {
  grid-column: 1 / -1;
  margin: 24px 0 0;
  color: #ffb39e;
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.section-heading.compact { margin-bottom: 56px; }
.use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.use-grid article {
  min-height: 310px;
  padding: 34px clamp(20px, 3vw, 40px);
}
.use-grid article + article { border-left: 1px solid var(--line); }
.use-grid article > span {
  color: var(--peach-deep);
  font-size: 11px;
  font-weight: 850;
}
.use-grid h3 {
  margin: 72px 0 14px;
  font-size: 25px;
  font-weight: 850;
  letter-spacing: -0.04em;
}
.use-grid p { margin: 0; color: var(--cocoa-soft); font-size: 14px; }
.use-grid small {
  display: block;
  margin-top: 14px;
  color: #9a7f76;
  font-size: 10px;
  line-height: 1.65;
}

.steps-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(420px, 1.2fr);
  align-items: start;
  column-gap: clamp(60px, 10vw, 150px);
  border-top: 1px solid var(--line);
}
.steps-section > .section-kicker,
.steps-section > h2 { grid-column: 1; }
.steps-list {
  grid-column: 2;
  grid-row: 1 / 4;
  margin: 0;
  padding: 0;
  list-style: none;
}
.steps-list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.steps-list li:first-child { padding-top: 0; }
.steps-list > li > span {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50%;
  background: var(--peach-soft);
  color: var(--peach-deep);
  font-size: 13px;
  font-weight: 850;
}
.steps-list h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 850;
  letter-spacing: -0.035em;
}
.steps-list p { margin: 0; color: var(--cocoa-soft); font-size: 14px; }

.download-section {
  display: grid;
  width: min(100% - 40px, calc(var(--page-width) - 40px));
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  margin: 0 auto clamp(96px, 11vw, 150px);
  padding: clamp(38px, 5vw, 68px);
  border-radius: 36px;
  background: var(--peach);
  color: #fff;
}
.download-section > img {
  width: clamp(100px, 12vw, 150px);
  border: 4px solid rgba(255, 255, 255, 0.75);
  border-radius: 24%;
  box-shadow: 0 22px 44px rgba(103, 48, 34, 0.18);
}
.download-section .section-kicker { color: rgba(255, 255, 255, 0.82); }
.download-section h2 { font-size: clamp(34px, 4vw, 54px); }
.download-section div > p:last-child {
  margin: 15px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
}
.faq-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(500px, 1.35fr);
  gap: clamp(48px, 8vw, 120px);
  padding-top: 0;
}
.faq-heading h2 { font-size: clamp(38px, 4vw, 54px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  position: relative;
  padding: 25px 46px 25px 0;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  position: absolute;
  top: 22px;
  right: 5px;
  color: var(--peach-deep);
  content: "+";
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p {
  margin: -4px 0 24px;
  padding-right: 45px;
  color: var(--cocoa-soft);
  font-size: 14px;
}

footer {
  display: grid;
  width: min(100%, var(--page-width));
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 30px 60px;
  margin-inline: auto;
  padding: 48px var(--page-x) 54px;
  border-top: 1px solid var(--line);
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 42px; height: 42px; border-radius: 22%; }
.footer-brand div { display: flex; flex-direction: column; line-height: 1.35; }
.footer-brand strong { font-size: 15px; }
.footer-brand span { color: #967a71; font-size: 10px; }
footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 10px 24px;
  color: var(--cocoa-soft);
  font-size: 11px;
  font-weight: 700;
}
footer > p {
  grid-column: 1 / -1;
  margin: 0;
  color: #9a7f76;
  font-size: 10px;
}
.mobile-download { display: none; }
*:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }

@media (max-width: 1000px) {
  .hero {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr) minmax(310px, 0.72fr);
    gap: 30px;
  }
  .hero-visual { min-height: 480px; }
  .hero-screen { width: min(76%, 310px); }
  .feature-card { min-height: 340px; }
  .privacy-section { grid-template-columns: 1fr; }
  .privacy-copy { max-width: 680px; }
  .privacy-diagram { max-width: 720px; }
  .download-section { grid-template-columns: auto 1fr; }
  .download-section .store-badge-link { grid-column: 2; justify-self: start; }
}

@media (max-width: 760px) {
  body { padding-bottom: 78px; }
  .desktop-heading-break { display: none; }
  .header-inner { min-height: 62px; }
  .site-header nav,
  .header-cta { display: none; }
  .hero {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding-top: 60px;
  }
  .hero-copy { position: relative; z-index: 3; }
  .hero h1 { font-size: clamp(40px, 12vw, 58px); line-height: 1.22; }
  .hero-lead { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .store-badge-link { align-self: flex-start; }
  .hero-actions > p { text-align: center; }
  .hero-visual { min-height: 540px; margin-top: 20px; }
  .hero-orbit { width: 430px; }
  .hero-screen { width: min(74%, 310px); }
  .hero-icon { right: 5%; bottom: 9%; }
  .trust-strip { width: calc(100% - 44px); grid-template-columns: 1fr; }
  .trust-strip li { min-height: 90px; }
  .trust-strip li + li { border-top: 1px solid var(--line); border-left: 0; }
  .problem-grid,
  .steps-section,
  .faq-section { grid-template-columns: 1fr; }
  .section-heading { align-items: start; flex-direction: column; margin-bottom: 46px; }
  .section-heading > p { max-width: none; }
  .feature-grid,
  .screenshots,
  .use-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .feature-number { margin-bottom: 38px; }
  .screenshots { gap: 36px; }
  .screenshots figure { width: min(100%, 440px); margin-inline: auto; }
  .privacy-section { grid-template-columns: 1fr; padding-inline: var(--page-x); }
  .privacy-copy h2 { font-size: clamp(38px, 12vw, 54px); }
  .privacy-diagram { grid-template-columns: 1fr 1fr; gap: 22px 12px; }
  .privacy-diagram i { display: none; }
  .privacy-diagram > p { grid-column: 1 / -1; }
  .use-grid { border-bottom: 0; }
  .use-grid article {
    min-height: auto;
    padding-inline: 0;
    border-bottom: 1px solid var(--line);
  }
  .use-grid article + article { border-left: 0; }
  .use-grid h3 { margin-top: 42px; }
  .steps-section > .section-kicker,
  .steps-section > h2,
  .steps-list { grid-column: 1; }
  .steps-list { grid-row: auto; margin-top: 50px; }
  .download-section {
    width: calc(100% - 28px);
    grid-template-columns: 1fr;
    border-radius: 28px;
    text-align: center;
  }
  .download-section > img,
  .download-section .store-badge-link { grid-column: 1; justify-self: center; }
  .faq-list details p { padding-right: 0; }
  footer { display: flex; align-items: start; flex-direction: column; }
  footer nav { justify-content: start; }
  .mobile-download {
    position: fixed;
    z-index: 2000;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    left: 10px;
    display: flex;
    min-height: 60px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 8px 9px 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 18px;
    background: rgba(63, 41, 35, 0.94);
    box-shadow: 0 18px 45px rgba(49, 26, 20, 0.25);
    color: #fff;
    backdrop-filter: blur(16px);
  }
  .mobile-download div { display: flex; flex-direction: column; line-height: 1.35; }
  .mobile-download strong { font-size: 14px; }
  .mobile-download span { color: rgba(255, 255, 255, 0.65); font-size: 9px; }
  .mobile-download a {
    display: inline-flex;
    min-width: 92px;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--peach);
    font-size: 13px;
    font-weight: 850;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
