@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;600&family=Noto+Sans+JP:wght@400;500;600;700;800&family=Zen+Old+Mincho:wght@600;700&display=swap");

:root {
  --color-ink: #173d2f;
  --color-tag: #087e56;
  --color-tag-dark: #056442;
  --color-sign: #e86631;
  --color-paper: #f7f2e7;
  --color-mist: #e9efea;
  --color-text: #19362a;
  --color-muted: #5e7066;
  --color-line: #d5ded7;
  --color-white: #fff;
  --color-warning: #fff1e8;
  --font-display: "Zen Old Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-body: "Noto Sans JP", "Yu Gothic UI", "Hiragino Sans", sans-serif;
  --font-label: "IBM Plex Mono", ui-monospace, monospace;
  --container: 1180px;
  --reading: 760px;
  --shadow-soft: 0 18px 50px rgba(23, 61, 47, 0.1);
  --shadow-card: 0 10px 30px rgba(23, 61, 47, 0.08);
  --radius-large: 28px;
  --radius-medium: 16px;
  --radius-small: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.guide-page,
body.legal-page {
  background: #f3f6f3;
}

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

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

a:hover {
  color: var(--color-sign);
}

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

:focus-visible {
  outline: 3px solid var(--color-sign);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-180%);
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--color-white);
  background: var(--color-ink);
  font-weight: 700;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.site-header .container {
  width: min(calc(100% - 40px), 1320px);
}

.reading-container {
  width: min(calc(100% - 40px), var(--reading));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(23, 61, 47, 0.12);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  width: 152px;
  text-decoration: none;
}

.brand-link img {
  display: block;
  width: 152px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: clamp(10px, 1.3vw, 24px);
  margin-left: auto;
}

.desktop-nav > a,
.desktop-nav > .button {
  flex: 0 0 auto;
  white-space: nowrap;
}

.desktop-nav a:not(.button) {
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.desktop-nav a[aria-current="page"] {
  color: var(--color-tag);
}

.language-switcher {
  position: relative;
  flex: 0 0 auto;
}

.language-switcher summary {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  color: var(--color-ink);
  background: var(--color-white);
  font-family: var(--font-label);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  list-style: none;
}

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

.language-switcher summary::after {
  content: "▾";
  color: var(--color-muted);
  font-size: 0.68rem;
}

.language-switcher[open] summary {
  border-color: var(--color-tag);
}

.language-switcher img {
  width: 16px;
  height: 16px;
}

.language-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 5;
  width: 154px;
  display: grid;
  gap: 3px;
  padding: 8px;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.desktop-nav .language-menu a {
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
}

.desktop-nav .language-menu a:hover,
.desktop-nav .language-menu a[aria-current="page"] {
  color: var(--color-tag-dark);
  background: var(--color-mist);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 4px 14px 4px 14px;
  color: var(--color-white);
  background: var(--color-tag);
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(8, 126, 86, 0.18);
  transition: background-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  color: var(--color-white);
  background: var(--color-tag-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(8, 126, 86, 0.24);
}

.button--light {
  color: var(--color-ink);
  background: var(--color-white);
  box-shadow: none;
}

.button--light:hover {
  color: var(--color-ink);
  background: var(--color-paper);
}

.button--outline {
  color: var(--color-tag-dark);
  border-color: var(--color-tag);
  background: transparent;
  box-shadow: none;
}

.button--outline:hover {
  color: var(--color-white);
  background: var(--color-tag);
}

.button--store-pending,
.button--store-pending:hover {
  color: #5f7067;
  border-color: #cbd7d0;
  background: #e5ebe7;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
  user-select: none;
}

.store-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.mobile-menu {
  display: none;
  position: relative;
}

.mobile-menu summary {
  width: 46px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  color: var(--color-ink);
  background: var(--color-white);
  cursor: pointer;
  font-size: 0;
  list-style: none;
}

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

.mobile-menu summary::before {
  content: "☰";
  font-size: 22px;
  line-height: 1;
}

.mobile-menu[open] summary::before {
  content: "×";
}

.mobile-menu nav {
  position: absolute;
  top: 52px;
  right: 0;
  width: min(300px, calc(100vw - 40px));
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.mobile-menu nav a:not(.button) {
  padding: 10px 8px;
  color: var(--color-text);
  font-weight: 700;
  text-decoration: none;
}

.language-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

.mobile-menu nav .language-links a {
  display: grid;
  place-items: center;
  min-height: 38px;
  padding: 7px 4px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  font-family: var(--font-label);
  font-size: 0.7rem;
  line-height: 1.2;
  text-align: center;
}

.mobile-menu nav .language-links a[aria-current="page"] {
  color: var(--color-white);
  border-color: var(--color-tag);
  background: var(--color-tag);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-tag-dark);
  font-family: var(--font-label);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-paper);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(var(--color-tag) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-tag) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(112deg, transparent 25%, #000 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  align-items: center;
  gap: 64px;
  padding-block: 88px 72px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero h1 {
  max-width: 750px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 6.4vw, 5.3rem);
  line-height: 1.18;
  letter-spacing: -0.065em;
}

.hero h1 em {
  color: var(--color-sign);
  font-style: normal;
}

.hero-lead {
  max-width: 620px;
  margin: 26px 0 0;
  color: #435b4f;
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 32px;
}

.text-link {
  font-weight: 800;
  text-decoration: none;
}

.hero-note {
  margin: 16px 0 0;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.hero-visual {
  position: relative;
  z-index: 2;
  min-height: 500px;
  display: grid;
  place-items: center;
}

.hero-device {
  position: relative;
  width: min(460px, 100%);
  border-radius: 34px;
  object-fit: cover;
  filter: drop-shadow(0 26px 30px rgba(23, 61, 47, 0.24));
}

.hero-seal {
  position: absolute;
  top: 46px;
  right: 0;
  width: 108px;
  height: 108px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-sign);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.5;
  text-align: center;
  transform: rotate(8deg);
  box-shadow: var(--shadow-card);
}

.section {
  padding-block: 96px;
}

.section--compact {
  padding-block: 72px;
}

.section--paper {
  background: var(--color-paper);
}

.section--mist {
  background: var(--color-mist);
}

.section--ink {
  color: var(--color-white);
  background: var(--color-ink);
}

.connected-channels {
  border-block: 1px solid #dce6df;
  background: var(--color-white);
}

.connected-channels__heading {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 14px 64px;
  align-items: end;
}

.connected-channels__heading .eyebrow {
  grid-column: 1 / -1;
}

.connected-channels__heading p:last-child {
  margin: 0 0 8px;
  line-height: 1.9;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.channel-card {
  position: relative;
  min-width: 0;
  padding: 30px 28px 28px;
  overflow: hidden;
  border: 1px solid #dce6df;
  border-radius: 24px;
  background: #f9fbf9;
}

.channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-sign);
}

.channel-card:nth-child(2)::before {
  background: var(--color-tag);
}

.channel-card:nth-child(3)::before {
  background: #4285f4;
}

.channel-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--color-tag-dark);
  background: #e5f1e9;
}

.channel-icon svg {
  width: 24px;
  height: 24px;
}

.channel-icon--brand {
  border-radius: 0;
  background: transparent;
}

.channel-icon--brand img {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.channel-role {
  margin: 22px 0 8px;
  color: #b64d21;
  font-family: var(--font-label);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.channel-card h3 {
  margin: 0;
  color: var(--color-tag-dark);
  font-size: 1.22rem;
}

.channel-card > p:last-child {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

.connected-channels__note {
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: 0.78rem;
  text-align: right;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 46px;
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.promise h2,
.guide-hero h1,
.legal-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  line-height: 1.3;
  letter-spacing: -0.055em;
}

.section-heading p {
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: 1.04rem;
}

.section--ink .section-heading p,
.section--ink .eyebrow {
  color: #b8d4c5;
}

.promise {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 54px;
  align-items: center;
}

.promise p {
  margin: 0;
  color: #d7e4dc;
  font-size: 1.06rem;
  line-height: 2;
}

.day-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 30px;
}

.day-timeline::before {
  content: "";
  position: absolute;
  top: 25px;
  left: 7%;
  right: 7%;
  border-top: 2px solid #cbd8d0;
}

.day-step {
  position: relative;
  padding-top: 74px;
}

.pdca-letter {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 6px solid var(--color-white);
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-tag);
  box-shadow: 0 0 0 2px var(--color-tag);
  font-family: var(--font-label);
  font-size: 1rem;
  font-weight: 700;
}

.day-step:last-child .pdca-letter {
  background: var(--color-sign);
  box-shadow: 0 0 0 2px var(--color-sign);
}

.day-time {
  color: #b64d21;
  font-family: var(--font-label);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.day-step h3 {
  margin: 8px 0 10px;
  font-size: 1.12rem;
}

.day-step p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.pdca-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
  margin: 14px 0 0;
  list-style: none;
}

.pdca-keywords li {
  padding: 5px 8px;
  border: 1px solid #cfe0d5;
  border-radius: 999px;
  color: #315a46;
  background: #f4f8f5;
  font-size: 0.72rem;
  font-weight: 700;
}

.monthly-plan {
  position: relative;
  overflow: hidden;
  border: 1px solid #e4d8c2;
  border-radius: var(--radius-large);
  background: var(--color-paper);
  box-shadow: var(--shadow-soft);
}

.monthly-plan::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(var(--color-tag) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-tag) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(120deg, transparent 25%, #000 100%);
  pointer-events: none;
}

.monthly-plan__intro {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  gap: 48px;
  align-items: center;
  padding: 54px 56px 34px;
}

.monthly-plan__intro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.2vw, 3.7rem);
  line-height: 1.28;
  letter-spacing: -0.055em;
}

.monthly-plan__intro h2 em {
  color: var(--color-sign);
  font-style: normal;
}

.monthly-plan__intro p {
  margin: 18px 0 0;
  color: var(--color-muted);
}

.review-note {
  padding: 22px 24px;
  border-left: 4px solid var(--color-sign);
  background: rgba(255, 255, 255, 0.72);
}

.review-note strong {
  display: block;
  margin-bottom: 6px;
}

.review-note p {
  margin: 0;
  font-size: 0.9rem;
}

.plan-flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 0 34px 34px;
}

.plan-step {
  position: relative;
  min-height: 100%;
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-card);
}

.plan-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -23px;
  z-index: 2;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-sign);
  font-weight: 900;
}

.step-label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-tag-dark);
  font-family: var(--font-label);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.step-number {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-tag);
  font-family: var(--font-body);
  font-weight: 800;
}

.plan-step h3 {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1.4;
}

.plan-step > p {
  margin: 0 0 18px;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.chip-list li {
  padding: 6px 9px;
  border: 1px solid #cfe0d5;
  border-radius: 999px;
  color: #315a46;
  background: #f4f8f5;
  font-size: 0.78rem;
  font-weight: 700;
}

.plan-preview {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid #efbd9e;
  border-radius: 12px;
  background: linear-gradient(135deg, #fffdf9, #ffe9d2);
}

.plan-preview small {
  color: #bd4e1f;
  font-weight: 800;
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin-top: 12px;
}

.week-grid span {
  padding: 9px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.82);
  font-size: 0.76rem;
  font-weight: 700;
}

.approval-preview {
  margin-top: 14px;
  padding: 16px;
  border-radius: 12px;
  color: var(--color-white);
  background: var(--color-ink);
}

.approval-preview p {
  margin: 0 0 12px;
  color: #d5e3db;
  font-size: 0.82rem;
}

.approval-preview span {
  display: block;
  padding: 9px 10px;
  border-radius: 4px 10px 4px 10px;
  background: var(--color-sign);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
}

.product-proof {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 64px;
  align-items: center;
}

.product-device {
  display: grid;
  place-items: center;
  padding: 30px;
  border-radius: var(--radius-large);
  background: var(--color-paper);
}

.product-device img {
  width: min(290px, 75vw);
  border-radius: 24px;
  filter: drop-shadow(0 22px 25px rgba(23, 61, 47, 0.22));
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
}

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

.feature-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--color-tag-dark);
  background: #dfeee5;
}

.feature-icon svg {
  width: 23px;
  height: 23px;
}

.feature-row h3 {
  margin: 0 0 4px;
  font-size: 1.04rem;
}

.feature-row p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.plan-and-support {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 22px;
}

.free-plan,
.support-panel {
  padding: 36px;
  border-radius: var(--radius-large);
}

.free-plan {
  color: var(--color-white);
  background: var(--color-ink);
}

.free-plan h2,
.support-panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  line-height: 1.4;
}

.free-plan p {
  color: #d6e3dc;
}

.support-panel {
  border: 1px solid #e3d5bc;
  background: var(--color-paper);
}

.support-panel p {
  color: var(--color-muted);
}

.support-links {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.support-links a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-block: 10px;
  border-bottom: 1px solid #ddcfb8;
  font-weight: 800;
  text-decoration: none;
}

.guide-hero,
.legal-hero {
  padding-block: 68px 58px;
  color: var(--color-white);
  background: var(--color-ink);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  color: #afd0bd;
  font-size: 0.82rem;
}

.breadcrumb a {
  color: #d7e8de;
}

.guide-hero p,
.legal-hero p {
  max-width: 720px;
  margin: 18px 0 0;
  color: #d4e2da;
}

.guide-layout,
.legal-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
  padding-block: 48px 80px;
}

.guide-toc,
.legal-toc {
  position: sticky;
  top: 96px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.guide-toc__title,
.legal-toc__title {
  padding: 16px 18px;
  color: var(--color-white);
  background: var(--color-tag);
  font-size: 0.88rem;
  font-weight: 800;
}

.guide-toc nav,
.legal-toc nav {
  display: grid;
  padding: 10px;
}

.guide-toc a,
.legal-toc a {
  padding: 9px 10px;
  border-left: 3px solid transparent;
  color: var(--color-text);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

.guide-toc a:hover,
.legal-toc a:hover {
  border-left-color: var(--color-sign);
  color: var(--color-sign);
  background: var(--color-warning);
}

.mobile-toc {
  display: none;
  margin-bottom: 20px;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: var(--color-white);
}

.mobile-toc summary {
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 800;
}

.mobile-toc nav {
  display: grid;
  padding: 0 12px 12px;
}

.mobile-toc nav a {
  padding: 8px 6px;
  text-decoration: none;
}

.guide-content,
.legal-content {
  min-width: 0;
}

.guide-intro,
.guide-step,
.guide-card,
.legal-content {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.guide-intro,
.guide-card {
  padding: 24px 26px;
  margin-bottom: 22px;
}

.guide-intro p,
.guide-card p {
  margin: 0;
  color: var(--color-muted);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 22px;
}

.guide-grid .guide-card {
  margin-bottom: 0;
}

.guide-card h2,
.guide-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
}

.guide-card__links {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.guide-card__links a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  color: var(--color-ink);
  background: var(--color-paper);
  text-decoration: none;
}

.guide-card__links a:hover {
  border-color: var(--color-tag);
}

.guide-step {
  scroll-margin-top: 100px;
  padding: 30px;
  margin-bottom: 24px;
}

.guide-step h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.45;
}

.guide-step > p {
  color: var(--color-muted);
}

.step-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-tag);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.step-kicker span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-tag);
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.number-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: manual-step;
}

.number-list li {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(0, 1.4fr);
  gap: 16px;
  padding: 15px 16px;
  border-top: 1px solid var(--color-line);
  counter-increment: manual-step;
}

.number-list strong::before {
  margin-right: 8px;
  color: var(--color-sign);
  content: counter(manual-step, decimal-leading-zero) ".";
  font-family: var(--font-mono);
}

.number-list span {
  color: var(--color-muted);
}

.instruction-list {
  padding-left: 1.3em;
}

.instruction-list li {
  margin-bottom: 10px;
  padding-left: 4px;
}

.guide-image-link {
  display: block;
  margin: 24px 0;
  border-radius: 12px;
  text-decoration: none;
}

.guide-image-link img {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(23, 61, 47, 0.08);
}

.image-caption {
  display: block;
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 0.78rem;
  text-align: center;
}

.callout {
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 4px solid var(--color-sign);
  border-radius: 0 10px 10px 0;
  color: #704326;
  background: var(--color-warning);
}

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

.callout p {
  margin: 0;
}

.callout--green {
  border-left-color: var(--color-tag);
  color: #24533e;
  background: #eaf5ee;
}

.callout--warm {
  border-left-color: var(--color-sign);
}

.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 30px;
}

.page-nav a {
  padding: 11px 14px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-white);
  font-weight: 800;
  text-decoration: none;
}

.manual-path {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.manual-path div {
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: #f7faf8;
}

.manual-path strong {
  display: block;
  margin-bottom: 4px;
}

.legal-content {
  padding: 42px clamp(24px, 5vw, 58px);
}

.legal-content > p:first-of-type {
  margin-top: 0;
}

.legal-content section {
  scroll-margin-top: 100px;
  padding-top: 14px;
  margin-top: 28px;
  border-top: 1px solid var(--color-line);
}

.legal-content h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.5;
}

.legal-content p,
.legal-content li {
  font-size: 0.94rem;
}

.legal-content ol,
.legal-content ul {
  padding-left: 1.4em;
}

.legal-meta {
  margin: 12px 0 0;
  color: #b8d4c5;
  font-size: 0.86rem;
}

.site-footer {
  color: var(--color-white);
  background: var(--color-ink);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  gap: 56px;
  padding-block: 58px 42px;
}

.footer-brand img {
  display: block;
  width: 160px;
  height: auto;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  max-width: 360px;
  margin: 14px 0 0;
  color: #bdd0c5;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
}

.footer-links a {
  padding-block: 6px;
  color: #e5eee8;
  text-decoration: none;
}

.footer-links a:hover {
  color: #ffb18c;
}

.footer-bottom {
  padding-block: 18px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: #9db5a8;
  font-size: 0.78rem;
}

@media (max-width: 1359.98px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    display: block;
  }
}

@media (max-width: 980px) {

  .hero-inner {
    min-height: auto;
    grid-template-columns: 1fr 0.72fr;
    gap: 28px;
  }

  .hero-seal {
    right: -12px;
  }

  .promise,
  .monthly-plan__intro,
  .product-proof,
  .plan-and-support {
    grid-template-columns: 1fr;
  }

  .connected-channels__heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .connected-channels__heading .eyebrow {
    grid-column: auto;
  }

  .connected-channels__heading p:last-child {
    margin-top: 8px;
  }

  .day-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 44px;
  }

  .day-timeline::before {
    display: none;
  }

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

  .plan-step:not(:last-child)::after {
    content: "↓";
    top: auto;
    right: auto;
    bottom: -23px;
    left: calc(50% - 14px);
  }

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

  .guide-toc,
  .legal-toc {
    display: none;
  }

  .mobile-toc {
    display: block;
  }
}

@media (max-width: 720px) {
  .container,
  .reading-container {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header .container {
    width: min(calc(100% - 28px), 1320px);
  }

  .header-inner {
    min-height: 66px;
  }

  .brand-link {
    width: 128px;
  }

  .brand-link img {
    width: 128px;
  }

  .hero-inner {
    display: block;
    padding-block: 58px 42px;
  }

  .hero h1 {
    font-size: clamp(2.45rem, 13vw, 4rem);
  }

  .hero-visual {
    min-height: 390px;
    margin-top: 32px;
  }

  .hero-device {
    width: min(360px, 100%);
  }

  .hero-seal {
    top: 14px;
    right: 2px;
    width: 92px;
    height: 92px;
    font-size: 0.72rem;
  }

  .section {
    padding-block: 68px;
  }

  .section--compact {
    padding-block: 54px;
  }

  .promise {
    gap: 24px;
  }

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

  .channel-card {
    padding: 26px 22px 24px;
  }

  .connected-channels__note {
    text-align: left;
  }

  .day-timeline,
  .guide-grid,
  .manual-path {
    grid-template-columns: 1fr;
  }

  .day-step {
    padding: 0 0 0 68px;
  }

  .day-step::before {
    top: 4px;
  }

  .monthly-plan {
    border-radius: 18px;
  }

  .monthly-plan__intro {
    gap: 22px;
    padding: 34px 22px 24px;
  }

  .plan-flow {
    padding: 0 14px 14px;
  }

  .plan-step {
    padding: 22px 18px;
  }

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

  .product-proof {
    gap: 32px;
  }

  .free-plan,
  .support-panel {
    padding: 28px 22px;
    border-radius: 18px;
  }

  .guide-hero,
  .legal-hero {
    padding-block: 48px 42px;
  }

  .guide-layout,
  .legal-layout {
    padding-block: 28px 58px;
  }

  .guide-step,
  .guide-intro,
  .guide-card {
    padding: 22px 18px;
  }

  .number-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .legal-content {
    padding: 28px 20px;
  }

  .page-nav {
    display: grid;
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 46px 36px;
  }

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

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}