:root {
  --page-bg: #f7f6f2;
  --panel: #ffffff;
  --panel-soft: #f1f0eb;
  --text: #202124;
  --muted: #65676d;
  --line: #deded8;
  --primary: #31343a;
  --primary-strong: #17191d;
  --primary-soft: #ebecef;
  --accent: #f3cb45;
  --accent-text: #171717;
  --sidebar: #1e2025;
  --sidebar-text: #f7f7f4;
  --sidebar-muted: #b8bbc2;
  --success: #2d7b57;
  --warning: #9a671c;
  --shadow: 0 18px 52px rgba(20, 22, 26, 0.11);
  --radius: 18px;
  --sidebar-width: 264px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--page-bg);
  font-family: "IBM Plex Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.01em;
}

body.is-menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.35;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(29px, 4vw, 43px);
  letter-spacing: -0.035em;
}

h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 700;
}

code,
kbd {
  font-family: "Cascadia Mono", Consolas, monospace;
}

.material-symbols-rounded {
  display: inline-block;
  width: 1em;
  overflow: hidden;
  direction: ltr;
  font-family: "Material Symbols Rounded";
  font-feature-settings: "liga";
  font-size: 21px;
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  white-space: nowrap;
}

html.js:not(.page-ready) .brand-sidebar > *,
html.js:not(.page-ready) .mobile-menu-button {
  visibility: hidden;
  opacity: 0;
}

html.js.page-ready .brand-sidebar > *,
html.js.page-ready .mobile-menu-button {
  transition: opacity 100ms ease;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  transform: translateY(-145%);
  border-radius: 8px;
  padding: 9px 14px;
  background: var(--panel);
  color: var(--primary-strong);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow);
}

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

.brand-sidebar {
  position: fixed;
  z-index: 20;
  inset: 0 auto 0 0;
  display: flex;
  width: var(--sidebar-width);
  flex-direction: column;
  overflow-y: auto;
  padding: 22px 16px 18px;
  background: var(--sidebar);
  color: var(--sidebar-text);
}

.brand-lockup {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
  padding: 7px;
  text-decoration: none;
}

.brand-lockup-logo {
  display: grid;
  min-height: 58px;
  place-items: center;
  border-radius: 12px;
  padding: 12px 10px;
  background: #fff;
  overflow: hidden;
}

.brand-lockup-logo img {
  width: auto;
  max-width: 100%;
  max-height: 42px;
  height: auto;
  object-fit: contain;
}

.brand-lockup span {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand-lockup small {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.brand-lockup strong {
  font-size: 18px;
}

.brand-lockup em {
  color: var(--sidebar-muted);
  font-size: 14px;
  font-style: normal;
}

.guide-nav {
  display: grid;
  gap: 4px;
}

.guide-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 8px 10px;
  color: var(--sidebar-muted);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
  transition: 160ms ease;
}

.guide-nav a:hover,
.guide-nav a:focus-visible,
.guide-nav a.is-active {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.09);
  color: var(--sidebar-text);
  outline: none;
}

.guide-nav a.is-active .material-symbols-rounded {
  color: var(--accent);
  font-variation-settings: "FILL" 1;
}

.guide-nav .material-symbols-rounded {
  flex: 0 0 auto;
  color: var(--sidebar-muted);
}

.sidebar-version {
  display: grid;
  grid-template-columns: 23px minmax(0, 1fr);
  gap: 8px;
  margin-top: auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--sidebar-muted);
  font-size: 13px;
  line-height: 1.55;
}

.sidebar-version .material-symbols-rounded {
  color: var(--accent);
}

.sidebar-version strong {
  color: var(--sidebar-text);
}

.mobile-menu-button {
  display: none;
}

.guide-main {
  margin-left: var(--sidebar-width);
}

.page-anchor {
  height: 0;
}

.hero {
  position: relative;
  display: grid;
  min-height: min(760px, 100vh);
  grid-template-columns: minmax(340px, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(36px, 6vw, 88px);
  overflow: hidden;
  padding: clamp(72px, 9vw, 116px) clamp(36px, 8vw, 112px);
  background: var(--hero-bg, var(--panel-soft));
}

.hero::after {
  position: absolute;
  right: -100px;
  bottom: -190px;
  width: 460px;
  height: 460px;
  border: 2px solid var(--hero-line, var(--line));
  border-radius: 50%;
  content: "";
  opacity: 0.55;
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 6.5vw, 82px);
  letter-spacing: -0.06em;
  line-height: 1.12;
}

.hero h1 span {
  color: var(--primary);
}

.hero-lead {
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 11px 18px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  transition: 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 28%, transparent);
  outline-offset: 3px;
}

.button-primary {
  background: var(--primary);
  color: var(--button-text, #fff);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 24%, transparent);
}

.button-primary:hover {
  background: var(--primary-strong);
}

.button-light {
  background: #fff;
  color: var(--primary-strong);
}

.hero-reassurance {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.hero-reassurance .material-symbols-rounded {
  color: var(--success);
}

.hero-visual {
  display: grid;
  place-items: center;
}

.hero-card {
  width: min(100%, 620px);
  transform: rotate(-1.4deg);
  border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--line));
  border-radius: 22px;
  padding: clamp(16px, 3vw, 28px);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-card > img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: 12px;
}

.hero-card figcaption {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.hero-card figcaption span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 14%, transparent);
}

.guide-section {
  max-width: 1220px;
  margin: 0 auto;
  padding: clamp(74px, 9vw, 126px) clamp(28px, 7vw, 94px);
}

.guide-section + .guide-section {
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: clamp(34px, 5vw, 58px);
}

.section-heading > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.section-heading strong {
  color: var(--text);
}

.story-card {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(28px, 6vw, 74px);
  border-radius: var(--radius);
  padding: clamp(28px, 5vw, 58px);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.story-card-title {
  align-self: start;
}

.story-card-title .material-symbols-rounded {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 15px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 28px;
}

.story-card-body {
  color: var(--muted);
}

.story-card-body .lead {
  color: var(--text);
  font-size: 19px;
  font-weight: 700;
}

.value-grid,
.feature-grid,
.use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.value-grid article,
.feature-grid article,
.use-grid article {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  background: var(--panel);
}

.value-grid .number {
  display: block;
  margin-bottom: 18px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.value-grid p,
.feature-grid p,
.use-grid p {
  color: var(--muted);
}

.feature-grid .material-symbols-rounded,
.use-grid .material-symbols-rounded {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 24px;
}

.plain-message,
.callout {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 15px;
  margin-top: 30px;
  border-radius: 13px;
  padding: 20px 22px;
}

.plain-message {
  border: 1px solid color-mix(in srgb, var(--primary) 24%, var(--line));
  background: var(--primary-soft);
}

.plain-message > .material-symbols-rounded,
.callout > .material-symbols-rounded {
  margin-top: 3px;
  color: var(--primary);
  font-size: 25px;
}

.plain-message p,
.callout p {
  margin: 0;
}

.callout h3 {
  margin-bottom: 5px;
}

.callout-success {
  border: 1px solid color-mix(in srgb, var(--success) 30%, var(--line));
  background: color-mix(in srgb, var(--success) 7%, var(--panel));
}

.callout-success > .material-symbols-rounded {
  color: var(--success);
}

.callout-warning {
  border: 1px solid color-mix(in srgb, var(--warning) 32%, var(--line));
  background: color-mix(in srgb, var(--warning) 7%, var(--panel));
}

.callout-warning > .material-symbols-rounded {
  color: var(--warning);
}

.step-list {
  display: grid;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 54px 52px minmax(0, 1fr);
  align-items: start;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 23px;
  background: var(--panel);
}

.step-number {
  color: var(--primary);
  font-size: 35px;
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 1;
}

.step-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
}

.step-list h3 {
  margin-bottom: 4px;
}

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

.step-tip {
  display: inline-flex;
  margin-top: 6px;
  border-radius: 999px;
  padding: 5px 10px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.path-card {
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 24px;
  background: var(--panel);
}

.path-card-head {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 15px;
}

.path-card-head .material-symbols-rounded {
  color: var(--primary);
}

.path-card-head h3 {
  margin: 0;
}

.path-card code {
  display: block;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 15px;
  background: var(--panel-soft);
  color: var(--text);
  font-size: 14px;
  white-space: nowrap;
}

.path-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.demo-window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.demo-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  border-bottom: 1px solid var(--line);
  padding: 11px 16px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 32%, var(--line));
}

.demo-body {
  padding: clamp(18px, 4vw, 34px);
}

.demo-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.demo-title h3 {
  margin: 0;
  font-size: 22px;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: 999px;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--success) 10%, var(--panel));
  color: var(--success);
  font-size: 12px;
  font-weight: 700;
}

.live-badge::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  content: "";
}

.list-demo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.list-demo-card {
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 15px;
  background: var(--panel);
}

.list-demo-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.list-demo-card strong {
  font-size: 14px;
}

.copy-chip,
.status-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 7px;
  padding: 6px 9px;
  background: var(--primary);
  color: var(--button-text, #fff);
  font-size: 11px;
  font-weight: 700;
}

.list-demo-card p {
  min-height: 62px;
  margin: 0;
  border-radius: 7px;
  padding: 9px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.category-card {
  position: relative;
  min-height: 195px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 23px;
  background: var(--panel);
}

.category-card::after {
  position: absolute;
  right: -10px;
  bottom: -22px;
  color: var(--primary-soft);
  content: attr(data-number);
  font-size: 82px;
  font-weight: 700;
  letter-spacing: -0.1em;
  line-height: 1;
}

.category-card .material-symbols-rounded {
  color: var(--primary);
  font-size: 27px;
}

.category-card h3,
.category-card p {
  position: relative;
  z-index: 1;
}

.category-card p {
  color: var(--muted);
  font-size: 14px;
}

.pilot-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(190px, 1fr));
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.pilot-column {
  min-width: 190px;
  overflow: hidden;
  border-radius: 12px;
  background: #e8eaee;
}

.pilot-column > h3 {
  margin: 0;
  padding: 14px;
  background: var(--primary-strong);
  color: #fff;
  font-size: 15px;
}

.pilot-section {
  padding: 10px;
}

.pilot-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  color: #4b5058;
  font-size: 11px;
  font-weight: 700;
}

.pilot-section-head span {
  display: grid;
  min-width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 999px;
  background: #4b5058;
  color: #fff;
}

.pilot-person {
  border-radius: 9px;
  padding: 11px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(20, 22, 26, 0.08);
}

.pilot-person + .pilot-person {
  margin-top: 8px;
}

.pilot-person strong {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
}

.pilot-person p {
  margin: 0 0 8px;
  color: #666b74;
  font-size: 10px;
  line-height: 1.5;
}

.pilot-actions {
  display: flex;
  justify-content: space-between;
  gap: 6px;
}

.status-button {
  padding: 5px 7px;
  font-size: 9px;
}

.status-button.muted {
  background: #e5e7eb;
  color: #333840;
}

.setting-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.setting-list article {
  display: grid;
  grid-template-columns: 45px minmax(0, 1fr);
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  background: var(--panel);
}

.setting-list article > .material-symbols-rounded {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border-radius: 11px;
  background: var(--primary-soft);
  color: var(--primary);
}

.setting-list p {
  color: var(--muted);
}

.workflow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.workflow article {
  position: relative;
  border: 1px solid var(--line);
  padding: 26px;
  background: var(--panel);
}

.workflow article:first-child {
  border-radius: 14px 0 0 14px;
}

.workflow article:last-child {
  border-radius: 0 14px 14px 0;
}

.workflow article + article {
  border-left: 0;
}

.workflow .material-symbols-rounded {
  margin-bottom: 16px;
  color: var(--primary);
  font-size: 28px;
}

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

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
}

.faq-list summary {
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  padding: 19px 21px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

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

.faq-list summary > span:first-child,
.faq-answer > span {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}

.faq-arrow {
  color: var(--muted);
  transition: transform 160ms ease;
}

details[open] .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr);
  gap: 12px;
  border-top: 1px solid var(--line);
  padding: 19px 21px 21px;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.last-message {
  position: relative;
  overflow: hidden;
  padding: clamp(82px, 11vw, 150px) clamp(34px, 9vw, 126px);
  background: var(--primary-strong);
  color: #fff;
}

.last-message > div {
  position: relative;
  z-index: 1;
}

.last-message .eyebrow {
  color: var(--accent);
}

.last-message h2 {
  font-size: clamp(38px, 6vw, 70px);
}

.last-message p:not(.eyebrow) {
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
}

.last-message::after {
  position: absolute;
  right: -100px;
  bottom: -210px;
  width: 520px;
  height: 520px;
  border: 70px solid rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  content: "";
}

.guide-footer {
  position: relative;
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(24px, 6vw, 74px);
  background: #15171b;
  color: #fff;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand-image {
  display: grid;
  width: 110px;
  min-height: 38px;
  place-items: center;
  border-radius: 7px;
  padding: 6px;
  background: #fff;
}

.footer-brand-image img {
  width: auto;
  max-width: 100%;
  max-height: 26px;
  height: auto;
  object-fit: contain;
}

.footer-brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.footer-brand small,
.footer-copyright {
  color: #9da1aa;
  font-size: 12px;
}

.footer-copyright {
  margin: 0;
}

.back-to-top {
  position: fixed;
  z-index: 18;
  right: 24px;
  bottom: 24px;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  transform: translateY(18px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: var(--primary-strong);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  text-decoration: none;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.2);
  transition: 160ms ease;
}

.back-to-top.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.back-to-top.is-docked {
  position: absolute;
  top: -78px;
  right: 24px;
  bottom: auto;
}

.back-to-top:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 660px;
  }

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

@media (max-width: 900px) {
  html {
    scroll-padding-top: 74px;
  }

  .brand-sidebar {
    width: min(84vw, 310px);
    transform: translateX(-105%);
    box-shadow: 14px 0 36px rgba(0, 0, 0, 0.2);
    transition: transform 180ms ease;
  }

  body.is-menu-open .brand-sidebar {
    transform: translateX(0);
  }

  body.is-menu-open::after {
    position: fixed;
    z-index: 19;
    inset: 0;
    background: rgba(0, 0, 0, 0.46);
    content: "";
  }

  .mobile-menu-button {
    position: fixed;
    z-index: 30;
    top: 14px;
    left: 14px;
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    gap: 7px;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 8px 13px;
    background: var(--panel);
    color: var(--text);
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(20, 22, 26, 0.13);
  }

  .guide-main {
    margin-left: 0;
  }

  .hero {
    padding-top: 102px;
  }

  .story-card {
    grid-template-columns: 1fr;
  }

  .pilot-board {
    grid-template-columns: repeat(4, 230px);
  }
}

@media (max-width: 700px) {
  .hero {
    min-height: auto;
    padding: 98px 24px 68px;
  }

  .hero h1 {
    font-size: clamp(40px, 12vw, 64px);
  }

  .guide-section {
    padding: 70px 22px;
  }

  .step-list li {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .step-icon {
    display: none;
  }

  .category-grid,
  .value-grid,
  .feature-grid,
  .use-grid,
  .setting-list,
  .list-demo-grid {
    grid-template-columns: 1fr;
  }

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

  .workflow article:first-child {
    border-radius: 14px 14px 0 0;
  }

  .workflow article:last-child {
    border-radius: 0 0 14px 14px;
  }

  .workflow article + article {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .footer-brand span {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero h1 br.optional-break {
    display: none;
  }

  .hero-card {
    padding: 10px;
  }

  .plain-message,
  .callout {
    grid-template-columns: 1fr;
  }

  .step-list li {
    gap: 10px;
    padding: 18px;
  }

  .path-card {
    padding: 18px;
  }

  .guide-footer {
    min-height: 88px;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
    width: 48px;
    height: 48px;
  }
}

@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;
  }
}