:root {
  color-scheme: light;
  --paper: #f5f1e6;
  --paper-deep: #ebe4d5;
  --surface: #fffaf0;
  --surface-strong: #fffdf7;
  --ink: #222a28;
  --muted: #66706c;
  --line: rgba(45, 67, 60, 0.16);
  --line-strong: rgba(45, 67, 60, 0.28);
  --moss: #5a806b;
  --moss-dark: #315748;
  --moss-soft: #dce8df;
  --clay: #b8765a;
  --clay-soft: #f0ddd2;
  --lake: #779da2;
  --lake-soft: #dce9e8;
  --tea: #c19a5f;
  --shadow-soft: 0 18px 48px rgba(42, 55, 49, 0.11);
  --shadow-phone: 0 28px 72px rgba(31, 42, 37, 0.24);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --content: 1280px;
  --reading: 760px;
  --serif: "Iowan Old Style", "Songti TC", "Noto Serif TC", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.82), transparent 28%),
    radial-gradient(circle at 86% 74%, rgba(220, 232, 223, 0.45), transparent 30%);
  content: "";
  pointer-events: none;
}

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

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

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid rgba(90, 128, 107, 0.5);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  transform: translateY(-160%);
  border-radius: 10px;
  background: var(--moss-dark);
  color: #fff;
  font-weight: 700;
}

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

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 252, 245, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(calc(100% - 40px), var(--content));
  min-height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.brand-name {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
}

.brand-name small {
  color: var(--muted);
  font-size: 0.65em;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.brand img {
  width: 39px;
  height: 39px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(49, 87, 72, 0.18);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  color: #39443f;
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  position: relative;
  padding: 27px 0 25px;
}

.mobile-nav-cta {
  display: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  background: var(--moss);
  content: "";
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
}

.header-cta {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--moss-dark);
  border-radius: var(--radius-sm);
  padding: 0 18px;
  color: var(--moss-dark);
  font-size: 13px;
  font-weight: 750;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.header-cta:hover {
  transform: translateY(-2px);
  background: var(--moss-dark);
  color: #fff;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}

.menu-button span,
.menu-button span::before,
.menu-button span::after {
  display: block;
  width: 19px;
  height: 2px;
  border-radius: 99px;
  background: var(--ink);
  content: "";
}

.menu-button[aria-expanded="true"] span {
  background: transparent;
}

.menu-button[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-button[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

.menu-button span {
  position: relative;
}

.menu-button span::before {
  position: absolute;
  top: -6px;
}

.menu-button span::after {
  position: absolute;
  top: 6px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 750;
  letter-spacing: 0.02em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button.primary {
  background: var(--moss-dark);
  box-shadow: 0 12px 28px rgba(49, 87, 72, 0.2);
  color: #fff;
}

.button.primary:hover {
  box-shadow: 0 16px 34px rgba(49, 87, 72, 0.26);
}

.button.secondary {
  border-color: var(--moss-dark);
  background: rgba(255, 253, 247, 0.76);
  color: var(--moss-dark);
}

.button.ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

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

.home-hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(247, 243, 234, 0.7), rgba(247, 243, 234, 0.16) 54%, rgba(247, 243, 234, 0.04)),
    url("/assets/ink-wash-background.webp") center 38% / cover no-repeat;
}

.home-hero::after {
  position: absolute;
  right: -7vw;
  bottom: -95px;
  width: 440px;
  height: 240px;
  transform: rotate(-6deg);
  border: 1px solid rgba(168, 140, 104, 0.22);
  border-radius: 24px;
  background:
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(119, 157, 162, 0.13) 29px 30px),
    rgba(255, 250, 240, 0.68);
  box-shadow: var(--shadow-soft);
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 40px), var(--content));
  min-height: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(420px, 0.84fr);
  align-items: center;
  gap: clamp(36px, 5vw, 80px);
  padding: 78px 0 68px;
}

.hero-copy {
  max-width: 650px;
}

.hero-copy h1,
.page-hero h1,
.section-heading,
.quote-band h2,
.legal-title h1,
.not-found h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.hero-copy h1 {
  font-size: clamp(48px, 4.2vw, 60px);
  line-height: 1.13;
}

.hero-copy > p {
  max-width: 590px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.quiet-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  color: #606a65;
  font-size: 13px;
}

.quiet-note::before {
  width: 28px;
  height: 1px;
  background: var(--moss);
  content: "";
}

.phone-stage {
  position: relative;
  min-height: 600px;
}

.phone {
  position: absolute;
  overflow: hidden;
  border: 7px solid #1d211f;
  border-radius: 45px;
  background: #1d211f;
  box-shadow: var(--shadow-phone);
}

.phone img {
  width: 100%;
  height: 100%;
  border-radius: 37px;
  object-fit: cover;
}

.phone-main {
  z-index: 2;
  top: 10px;
  left: 2%;
  width: 290px;
  aspect-ratio: 402 / 874;
  transform: rotate(-1.5deg);
}

.phone-secondary {
  z-index: 3;
  top: 102px;
  right: 0;
  width: 242px;
  aspect-ratio: 402 / 874;
  transform: rotate(4deg);
}

.phone-stage::before {
  position: absolute;
  right: -70px;
  bottom: 48px;
  width: 260px;
  height: 105px;
  transform: rotate(-8deg);
  border-radius: 12px 12px 42px 12px;
  background: linear-gradient(90deg, #6c8d7c 0 78%, #d6bc8a 78%);
  box-shadow: 0 14px 30px rgba(49, 87, 72, 0.12);
  content: none;
}

.quote-band {
  padding: 94px 0 104px;
  background: var(--surface-strong);
}

.quote-paper {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(44px, 7vw, 82px);
  background:
    linear-gradient(110deg, rgba(255, 253, 247, 0.97), rgba(245, 241, 230, 0.9)),
    url("/assets/ink-wash-background.webp") center 32% / cover no-repeat;
  box-shadow: var(--shadow-soft);
}

.quote-paper::after {
  position: absolute;
  right: 7%;
  bottom: -70px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(90, 128, 107, 0.2);
  border-radius: 50%;
  background: rgba(220, 232, 223, 0.38);
  content: none;
}

.quote-band h2 {
  position: relative;
  z-index: 1;
  max-width: 760px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.3;
}

.quote-band h2::after {
  display: block;
  width: 76px;
  height: 3px;
  margin-top: 28px;
  background: var(--moss);
  content: "";
}

.content-section {
  padding: 112px 0;
}

.content-section.compact {
  padding: 82px 0;
}

.content-section.tint {
  background: rgba(255, 253, 247, 0.76);
}

.content-section.moss-band {
  background: var(--moss-dark);
  color: #fff;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  align-items: start;
  gap: 56px;
  margin-bottom: 64px;
}

.section-heading {
  max-width: 720px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.18;
}

.section-intro > p,
.section-lead,
.page-hero p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.55vw, 20px);
  line-height: 1.85;
}

.moss-band .section-intro > p,
.moss-band .section-lead {
  color: rgba(255, 255, 255, 0.72);
}

.feature-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.feature-rail::before {
  position: absolute;
  top: 62px;
  right: 8%;
  left: 8%;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.feature-item {
  position: relative;
  z-index: 1;
  padding-right: 16px;
}

.feature-number {
  display: grid;
  width: 62px;
  height: 62px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: var(--paper);
  color: var(--moss);
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
}

.feature-item:nth-child(2) .feature-number {
  color: var(--moss);
}

.feature-item:nth-child(3) .feature-number {
  color: var(--moss);
}

.feature-item:nth-child(4) .feature-number {
  color: var(--moss);
}

.feature-item h3 {
  margin: 28px 0 10px;
  font-size: 21px;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 44px;
  color: var(--moss-dark);
  font-weight: 750;
}

.section-link::after {
  content: "→";
  transition: transform 160ms ease;
}

.section-link:hover::after {
  transform: translateX(5px);
}

.support-email {
  color: var(--moss-dark);
  font-weight: 750;
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.support-email:hover {
  color: var(--clay);
}

.media-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  align-items: center;
  gap: clamp(54px, 8vw, 112px);
}

.media-split.reverse {
  grid-template-columns: minmax(340px, 1.05fr) minmax(0, 0.95fr);
}

.media-split.reverse .media-copy {
  order: 2;
}

.media-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.media-copy > p {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.open-list {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.open-list li {
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  gap: 14px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.open-list li::before {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--moss-soft);
  color: var(--moss-dark);
  content: "✓";
  font-size: 13px;
}

.single-phone-scene {
  position: relative;
  min-height: 640px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(255, 250, 240, 0.33), rgba(255, 250, 240, 0.12)),
    url("/assets/ink-wash-background.webp") center 48% / cover no-repeat;
}

.single-phone-scene .phone {
  position: relative;
  width: min(78%, 300px);
  aspect-ratio: 402 / 874;
  transform: rotate(1.5deg);
}

.single-phone-scene::after {
  position: absolute;
  right: 2%;
  bottom: 7%;
  width: 210px;
  height: 90px;
  transform: rotate(-8deg);
  border-radius: 12px 12px 40px 12px;
  background: linear-gradient(90deg, #789c9d 0 80%, #d0ae72 80%);
  content: none;
}

.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: start;
  gap: 70px;
  margin-top: 72px;
}

.process-step {
  position: relative;
  text-align: center;
}

.process-step:not(:last-child)::after {
  position: absolute;
  top: 39px;
  right: -57px;
  color: var(--lake);
  content: "→";
  font-size: 34px;
  font-weight: 300;
}

.process-orb {
  display: grid;
  width: 80px;
  height: 80px;
  margin: 0 auto 22px;
  place-items: center;
  border: 1px solid var(--moss);
  border-radius: 50%;
  color: var(--moss-dark);
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 700;
}

.process-step:nth-child(2) .process-orb {
  border-color: var(--moss);
  color: var(--moss-dark);
}

.process-step:nth-child(3) .process-orb {
  border-color: var(--moss);
  color: var(--moss-dark);
}

.process-step h3 {
  margin: 0;
  font-size: 20px;
}

.process-step p {
  margin: 10px auto 0;
  max-width: 240px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.return-loop {
  width: min(76%, 760px);
  margin: 42px auto 0;
  border: 1px solid rgba(184, 118, 90, 0.48);
  border-radius: 18px;
  padding: 18px;
  background: var(--clay-soft);
  color: #8b513e;
  text-align: center;
  font-size: 14px;
  font-weight: 750;
}

.return-loop::before {
  margin-right: 8px;
  content: "↺";
  font-size: 18px;
}

.screenshot-showcase {
  position: relative;
  min-height: 680px;
  margin-top: 60px;
}

.showcase-phone {
  position: absolute;
  overflow: hidden;
  border: 7px solid #1d211f;
  border-radius: 42px;
  background: #1d211f;
  box-shadow: var(--shadow-phone);
}

.showcase-phone img {
  width: 100%;
  height: 100%;
  border-radius: 34px;
  object-fit: cover;
}

.showcase-phone.one {
  z-index: 2;
  left: 8%;
  width: 270px;
  aspect-ratio: 402 / 874;
  transform: rotate(-6deg);
}

.showcase-phone.two {
  z-index: 3;
  top: 35px;
  left: 38%;
  width: 290px;
  aspect-ratio: 402 / 874;
}

.showcase-phone.three {
  z-index: 2;
  top: 8px;
  right: 8%;
  width: 270px;
  aspect-ratio: 402 / 874;
  transform: rotate(6deg);
}

.screenshot-showcase::before {
  position: absolute;
  inset: 9% 0 0;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(255, 253, 247, 0.64), rgba(255, 253, 247, 0.5)),
    url("/assets/ink-wash-background.webp") center 80% / cover;
  content: "";
}

.cta-section {
  padding: 78px 0;
  background: var(--moss-dark);
  color: #fff;
}

.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
}

.cta-inner h2 {
  max-width: 740px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(40px, 5.2vw, 66px);
  line-height: 1.2;
}

.cta-inner p {
  max-width: 680px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
  line-height: 1.75;
}

.cta-section .button.secondary {
  border-color: rgba(255, 255, 255, 0.74);
  background: #fffaf0;
  color: var(--moss-dark);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 108px 0 92px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(247, 243, 234, 0.88), rgba(247, 243, 234, 0.58)),
    url("/assets/ink-wash-background.webp") center 20% / cover;
}

.page-hero::after {
  position: absolute;
  right: 5%;
  bottom: -76px;
  width: 300px;
  height: 150px;
  transform: rotate(-5deg);
  border: 1px solid rgba(90, 128, 107, 0.2);
  border-radius: 20px;
  background:
    repeating-linear-gradient(0deg, transparent 0 25px, rgba(119, 157, 162, 0.12) 26px 27px),
    rgba(255, 250, 240, 0.58);
  content: none;
}

.page-hero .section-shell {
  position: relative;
  z-index: 1;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: center;
  gap: 72px;
}

.page-hero-copy {
  min-width: 0;
}

.page-hero-device {
  position: relative;
  min-height: 450px;
  display: grid;
  place-items: center;
}

.page-hero-device::before {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(220, 232, 223, 0.58);
  content: "";
}

.page-hero-device .phone {
  position: relative;
  width: 228px;
  aspect-ratio: 402 / 874;
  transform: rotate(3deg);
}

.page-hero-device.guide-device .phone {
  transform: rotate(-3deg);
}

.page-hero h1 {
  max-width: 880px;
  font-size: clamp(48px, 6.2vw, 80px);
  line-height: 1.15;
}

.page-hero p {
  max-width: 700px;
  margin-top: 24px;
}

.page-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.feature-detail-list {
  display: grid;
  gap: 0;
}

.feature-detail {
  display: grid;
  grid-template-columns: 76px minmax(0, 0.9fr) minmax(300px, 1.1fr);
  align-items: start;
  gap: 30px;
  padding: 78px 0;
  border-bottom: 1px solid var(--line);
}

.feature-detail:last-child {
  border-bottom: 0;
}

.feature-detail .large-number {
  align-self: start;
  color: var(--moss);
  font-family: var(--serif);
  font-size: 58px;
  line-height: 1;
}

.feature-detail:nth-child(2) .large-number,
.feature-detail:nth-child(4) .large-number {
  color: var(--clay);
}

.feature-detail h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.2;
}

.feature-detail p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.feature-detail ul {
  margin: 0;
  padding: 30px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 247, 0.72);
  box-shadow: 0 12px 30px rgba(42, 55, 49, 0.06);
  list-style: none;
}

.feature-detail li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: #44504b;
  line-height: 1.55;
}

.feature-detail li:last-child {
  border-bottom: 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(60px, 9vw, 130px);
}

.guide-steps {
  position: relative;
  display: grid;
  gap: 62px;
  padding-left: 12px;
}

.guide-steps::before {
  position: absolute;
  top: 28px;
  bottom: 28px;
  left: 44px;
  width: 1px;
  background: var(--line-strong);
  content: "";
}

.guide-step {
  position: relative;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 28px;
}

.guide-step-number {
  z-index: 1;
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  border: 1px solid var(--moss);
  border-radius: 50%;
  background: var(--paper);
  color: var(--moss-dark);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
}

.guide-step:nth-child(2) .guide-step-number,
.guide-step:nth-child(4) .guide-step-number {
  border-color: var(--clay);
  color: #8c503b;
}

.guide-step h2 {
  margin: 4px 0 10px;
  font-family: var(--serif);
  font-size: 30px;
}

.guide-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.guide-media {
  position: sticky;
  top: 118px;
  min-height: 680px;
}

.guide-media .phone {
  width: 260px;
  aspect-ratio: 402 / 874;
}

.guide-media .phone:first-child {
  z-index: 2;
  top: 0;
  left: 0;
  transform: rotate(-3deg);
}

.guide-media .phone:last-child {
  z-index: 3;
  right: 0;
  bottom: 0;
  transform: rotate(4deg);
}

.operation-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
  border-top: 1px solid var(--line-strong);
}

.operation-row {
  padding: 28px;
}

.operation-row + .operation-row {
  border-left: 1px solid var(--line);
}

.operation-row strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.operation-row span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.help-topics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 54px;
}

.help-topic {
  border-top: 2px solid var(--moss);
  padding: 24px 0;
}

.help-topic:nth-child(2) {
  border-color: var(--moss);
}

.help-topic:nth-child(3) {
  border-color: var(--moss);
}

.help-topic h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.help-topic p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
  align-items: start;
  gap: clamp(48px, 7vw, 88px);
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 38px;
}

.faq {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 253, 247, 0.72);
}

.faq summary {
  position: relative;
  padding: 20px 52px 20px 22px;
  cursor: pointer;
  font-weight: 750;
  list-style: none;
}

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

.faq summary::after {
  position: absolute;
  top: 19px;
  right: 22px;
  color: var(--moss);
  content: "+";
  font-size: 23px;
  font-weight: 400;
}

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

.faq p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
  line-height: 1.75;
}

.support-paper {
  position: relative;
  border: 1px solid rgba(139, 107, 70, 0.2);
  border-radius: 4px 18px 6px 14px;
  padding: clamp(28px, 4vw, 46px);
  background: #fff9ed;
  box-shadow: 0 18px 50px rgba(62, 51, 39, 0.12);
}

.support-paper::before {
  position: absolute;
  top: -16px;
  right: 38px;
  width: 40px;
  height: 76px;
  border: 3px solid #a68861;
  border-bottom: 0;
  border-radius: 20px 20px 0 0;
  content: none;
  opacity: 0.75;
}

.support-paper h2 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 34px;
}

.support-paper > p {
  margin: 0 0 26px;
  color: var(--muted);
  line-height: 1.7;
}

.reporting-options {
  display: grid;
  gap: 14px;
}

.reporting-options section {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.56);
}

.reporting-options h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.reporting-options p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.support-form {
  display: grid;
  gap: 20px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  font-size: 14px;
  font-weight: 750;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.64);
  padding: 13px 14px;
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--moss);
  outline: 2px solid rgba(90, 128, 107, 0.16);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.form-actions .button {
  min-height: 48px;
  cursor: pointer;
}

.copy-status {
  min-height: 22px;
  margin: 0;
  color: var(--moss-dark);
  font-size: 13px;
  font-weight: 700;
}

.contact-status {
  margin-top: 22px;
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--paper-deep);
  color: #695c4b;
  font-size: 13px;
  line-height: 1.6;
}

.contact-status strong {
  color: var(--ink);
}

.legal-page {
  position: relative;
  padding: 88px 0 108px;
  background: linear-gradient(90deg, rgba(245, 241, 230, 0.92), rgba(255, 253, 247, 0.76));
}

.legal-title {
  width: min(calc(100% - 40px), 1080px);
  margin: 0 auto 56px;
  padding-left: 0;
}

.legal-title h1 {
  font-size: clamp(48px, 6vw, 74px);
  line-height: 1.1;
}

.legal-title > p {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.last-updated {
  display: block;
  margin-top: 18px;
  color: #59635e;
  font-size: 14px;
}

.legal-layout {
  width: min(calc(100% - 40px), 1080px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px minmax(0, var(--reading));
  justify-content: start;
  gap: 48px;
}

.legal-toc {
  position: sticky;
  top: 118px;
  align-self: start;
  display: grid;
  gap: 5px;
  border-right: 1px solid var(--line);
  padding-right: 34px;
}

.legal-toc a {
  min-height: 44px;
  display: flex;
  align-items: center;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--moss-dark);
  font-size: 15px;
  font-weight: 700;
}

.legal-toc a::before {
  margin-right: 10px;
  color: var(--moss);
  content: "•";
}

.legal-toc a[aria-current="location"] {
  background: var(--moss-soft);
}

.legal-content {
  border: 1px solid rgba(111, 103, 88, 0.13);
  border-radius: 4px;
  padding: clamp(28px, 5vw, 62px);
  background: rgba(255, 253, 247, 0.88);
  box-shadow: 0 20px 54px rgba(57, 53, 44, 0.08);
}

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

.legal-content h2 {
  margin: 44px 0 14px;
  font-family: var(--serif);
  font-size: 29px;
  line-height: 1.3;
}

.legal-content section:first-child h2 {
  margin-top: 0;
}

.legal-content h3 {
  margin: 28px 0 10px;
  font-size: 19px;
}

.legal-content p,
.legal-content li {
  color: #555f5b;
  font-size: 17px;
  line-height: 1.9;
}

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

.legal-content a {
  color: var(--moss-dark);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: rgba(49, 87, 72, 0.35);
  text-underline-offset: 3px;
  padding: 10px 2px;
}

.principle-note {
  display: grid;
  grid-template-columns: 5px 1fr;
  gap: 18px;
  margin: 28px 0;
  border-radius: 10px;
  padding: 20px 22px;
  background: var(--moss-soft);
  color: var(--moss-dark);
  font-weight: 700;
  line-height: 1.7;
}

.principle-note::before {
  border-radius: 99px;
  background: var(--moss);
  content: "";
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fffcf5;
}

.footer-inner {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 42px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 48px;
}

.footer-brand p {
  max-width: 390px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(112px, 1fr));
  gap: 4px 20px;
  font-size: 14px;
  font-weight: 650;
}

.footer-links a:hover {
  color: var(--moss-dark);
}

.footer-links a {
  min-height: 44px;
  display: flex;
  align-items: center;
}

.footer-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-top: 38px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  color: #737b77;
  font-size: 14px;
}

.trademark-note {
  max-width: 640px;
  line-height: 1.55;
}

.not-found {
  min-height: calc(100vh - 78px);
  display: grid;
  place-items: center;
  padding: 80px 20px;
  background:
    linear-gradient(rgba(245, 241, 230, 0.68), rgba(245, 241, 230, 0.68)),
    url("/assets/ink-wash-background.webp") center / cover;
  text-align: center;
}

.not-found-card {
  width: min(100%, 760px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 7vw, 76px);
  background: rgba(255, 253, 247, 0.9);
  box-shadow: var(--shadow-soft);
}

.not-found-logo {
  width: 72px;
  height: 72px;
  margin: 0 auto 28px;
  border-radius: 18px;
}

.not-found h1 {
  max-width: 100%;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.15;
  text-wrap: balance;
  word-break: keep-all;
}

.not-found p {
  margin: 18px 0 28px;
  color: var(--muted);
  line-height: 1.7;
}

.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.home-hero .reveal,
.page-hero .reveal,
.quote-band .reveal {
  opacity: 1;
  transform: none;
}

.no-js .reveal {
  opacity: 1;
  transform: none;
}

.hero-copy h1,
.page-hero h1,
.section-heading,
.quote-band h2,
.media-copy h2,
.cta-inner h2 {
  text-wrap: balance;
  word-break: keep-all;
}

@media (max-width: 1040px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    position: absolute;
    z-index: 70;
    top: 78px;
    right: 20px;
    left: 20px;
    display: none;
    align-items: stretch;
    justify-content: stretch;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 12px;
    background: #fffaf0;
    box-shadow: 0 24px 64px rgba(31, 42, 37, 0.24);
    text-align: left;
  }

  .site-nav[data-open="true"] {
    display: grid;
  }

  .site-nav a {
    padding: 13px 14px;
    border-radius: 10px;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    background: var(--moss-soft);
  }

  .site-nav .mobile-nav-cta {
    display: flex;
    min-height: 46px;
    align-items: center;
    margin-top: 4px;
    background: var(--moss-dark);
    color: #fff;
    font-weight: 750;
  }

  .site-nav .mobile-nav-cta:hover,
  .site-nav .mobile-nav-cta[aria-current="page"] {
    background: var(--moss);
  }

  .header-actions {
    display: none;
  }

  .menu-button {
    display: inline-flex;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(370px, 0.92fr);
  }

  .phone-stage {
    min-height: 540px;
  }

  .phone-main {
    width: 250px;
  }

  .phone-secondary {
    width: 205px;
  }

  .feature-rail {
    grid-template-columns: repeat(2, 1fr);
    gap: 48px 30px;
  }

  .feature-rail::before {
    display: none;
  }

  .screenshot-showcase {
    min-height: 620px;
  }

  .showcase-phone.one {
    left: 1%;
    width: 238px;
  }

  .showcase-phone.two {
    left: 36%;
    width: 260px;
  }

  .showcase-phone.three {
    right: 1%;
    width: 238px;
  }

  .feature-detail {
    grid-template-columns: 76px 1fr;
  }

  .feature-detail ul {
    grid-column: 2;
  }

  .legal-title {
    padding-left: 0;
  }

  .legal-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 44px;
  }
}

@media (max-width: 820px) {
  .home-hero {
    min-height: auto;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 72px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .phone-stage {
    width: min(100%, 540px);
    min-height: 560px;
    margin: 0 auto;
  }

  .section-intro,
  .media-split,
  .media-split.reverse,
  .page-hero-grid,
  .guide-grid,
  .support-layout {
    grid-template-columns: 1fr;
  }

  .page-hero-grid {
    gap: 36px;
  }

  .page-hero-device {
    min-height: 500px;
  }

  .media-split.reverse .media-copy {
    order: initial;
  }

  .media-split.reverse .single-phone-scene {
    order: 2;
  }

  .section-intro {
    align-items: start;
    gap: 24px;
  }

  .single-phone-scene {
    min-height: 590px;
  }

  .process {
    gap: 38px;
  }

  .process-step:not(:last-child)::after {
    right: -34px;
  }

  .screenshot-showcase {
    min-height: 580px;
  }

  .showcase-phone.one {
    left: -3%;
    width: 220px;
  }

  .showcase-phone.two {
    left: calc(50% - 120px);
    width: 240px;
  }

  .showcase-phone.three {
    right: -3%;
    width: 220px;
  }

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

  .cta-inner .button {
    width: fit-content;
  }

  .guide-media {
    position: relative;
    top: 0;
    width: min(100%, 560px);
    margin: 0 auto;
  }

  .operation-list,
  .help-topics {
    grid-template-columns: 1fr;
  }

  .operation-row,
  .operation-row + .operation-row {
    border-bottom: 1px solid var(--line);
    border-left: 0;
    padding: 24px 0;
  }

  .legal-page {
    background-attachment: scroll;
  }

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

  .legal-toc {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 28px;
  }

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

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

@media (max-width: 620px) {
  .header-inner,
  .section-shell,
  .hero-grid,
  .legal-title,
  .legal-layout,
  .footer-inner {
    width: min(calc(100% - 32px), var(--content));
  }

  .header-inner {
    min-height: 70px;
  }

  .site-nav {
    top: 70px;
    right: 16px;
    left: 16px;
  }

  .brand {
    font-size: 15px;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .hero-grid {
    padding: 58px 0 34px;
  }

  .hero-copy h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  .hero-copy h1,
  .page-hero h1,
  .section-heading,
  .quote-band h2,
  .media-copy h2,
  .cta-inner h2 {
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .hero-copy h1 br,
  .page-hero h1 br,
  .quote-band h2 br,
  .media-copy h2 br {
    display: none;
  }

  .hero-actions,
  .page-hero-actions,
  .form-actions {
    display: grid;
  }

  .hero-actions .button,
  .page-hero-actions .button,
  .form-actions .button {
    width: 100%;
  }

  .phone-stage {
    min-height: 500px;
  }

  .phone-main {
    left: 0;
    width: 224px;
  }

  .phone-secondary {
    top: 90px;
    right: -8px;
    width: 186px;
  }

  .home-hero::after,
  .phone-stage::before {
    display: none;
  }

  .quote-band,
  .content-section,
  .cta-section {
    padding: 76px 0;
  }

  .quote-paper {
    padding: 38px 28px;
  }

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

  .feature-item {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 0 18px;
  }

  .feature-number {
    grid-row: 1 / 3;
    width: 54px;
    height: 54px;
  }

  .feature-item h3 {
    margin: 2px 0 8px;
  }

  .feature-item p {
    grid-column: 2;
  }

  .single-phone-scene {
    min-height: 530px;
  }

  .single-phone-scene .phone {
    width: min(76%, 250px);
  }

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

  .process-step:not(:last-child)::after {
    position: static;
    display: block;
    margin-top: 20px;
    transform: rotate(90deg);
  }

  .return-loop {
    width: 100%;
  }

  .screenshot-showcase {
    min-height: 0;
    display: grid;
    grid-auto-columns: minmax(220px, 76vw);
    grid-auto-flow: column;
    gap: 18px;
    overflow-x: auto;
    margin-right: -16px;
    margin-left: -16px;
    padding: 22px 16px 38px;
    scroll-padding-left: 16px;
    scroll-snap-type: x mandatory;
  }

  .showcase-phone.one,
  .showcase-phone.two,
  .showcase-phone.three {
    position: relative;
    inset: auto;
    width: 100%;
    transform: none;
    scroll-snap-align: start;
  }

  .screenshot-showcase::before {
    content: none;
  }

  .page-hero {
    padding: 76px 0 72px;
  }

  .page-hero h1 {
    font-size: clamp(40px, 10.5vw, 52px);
  }

  .page-hero-device {
    min-height: 440px;
  }

  .page-hero-device .phone {
    width: 210px;
  }

  .feature-detail {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 56px 0;
  }

  .feature-detail .large-number {
    font-size: 38px;
  }

  .feature-detail ul {
    grid-column: auto;
  }

  .guide-media {
    min-height: 560px;
  }

  .guide-media .phone {
    width: 218px;
  }

  .guide-media .phone:last-child {
    right: -6px;
  }

  .support-paper {
    padding: 30px 22px;
  }

  .legal-title {
    margin-bottom: 38px;
  }

  .legal-title h1 {
    font-size: clamp(44px, 13vw, 60px);
  }

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

  .legal-content {
    padding: 30px 22px;
  }

  .legal-content p,
  .legal-content li {
    font-size: 16px;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}