:root {
  --bg: #fdfdfc;
  --text: #050505;
  --muted: #6f7478;
  --line: #dedede;
  --line-soft: #ececec;
  --panel: #ffffff;
  --ink: #050505;
  --green: #78966f;
  --font-en: "Josefin Sans", "Helvetica Neue", Arial, sans-serif;
  --font-jp: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  --font: var(--font-en), var(--font-jp);
  --jp: var(--font-jp);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  letter-spacing: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 2%, rgba(0, 0, 0, 0.035), transparent 20rem),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.8;
}

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

p,
h1,
h2,
h3,
h4 {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

.site {
  min-height: 100vh;
}

.container {
  width: min(1110px, calc(100% - 72px));
  margin: 0 auto;
}

.brand-text {
  font-family: var(--font-en);
}

.site-header {
  z-index: 10;
  background: rgba(253, 253, 252, 0.84);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
}

.logo {
  font-size: 31px;
  font-weight: 700;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 13px;
  font-weight: 700;
}

.nav-links a {
  position: relative;
  padding: 10px 0;
}

.nav-links a.is-active:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  background: var(--ink);
  content: "";
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-width: 142px;
  height: 42px;
  padding: 0 18px;
  border: 1px solid #000;
  border-radius: 2px;
  background: #000;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.16);
}

.nav-links .button {
  min-width: 126px;
  gap: 18px;
  padding: 0 14px 0 18px;
}

.button::after,
.text-link::after,
.service-row::after,
.card-link::after {
  content: "→";
}

.text-link::after {
  margin-left: 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 30px;
  padding-bottom: 2px;
  border-bottom: 1px solid currentColor;
  font-size: 14px;
  font-weight: 700;
}

.breadcrumb {
  padding-top: 24px;
  color: var(--muted);
  font-size: 12px;
}

.breadcrumb-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
}

.breadcrumb-inner > * + *::before {
  margin-right: 16px;
  color: #c8c8c8;
  content: "/";
}

.breadcrumb a {
  color: var(--muted);
}

.hero {
  position: relative;
  min-height: 640px;
  padding: 88px 0 80px;
}

.simple-page-hero,
.pricing-hero,
.knowledge-hero {
  min-height: 640px;
}

.hero-single,
.pricing-hero {
  min-height: auto;
  padding: 112px 0 116px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(420px, 0.88fr);
  gap: 92px;
  align-items: start;
}

.hero-single .body-copy,
.pricing-hero-inner .body-copy {
  max-width: none;
}

.hero-label,
.section-label,
.eyebrow {
  display: block;
  margin-bottom: 36px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
}

.hero-title {
  font-size: clamp(64px, 7.2vw, 112px);
  font-weight: 400;
  line-height: 0.98;
}

.hero-title.jp {
  font-family: var(--jp);
  font-size: clamp(42px, 4.2vw, 60px);
  font-weight: 700;
  line-height: 1.3;
}

.hero-copy {
  max-width: 420px;
  margin-top: 38px;
  font-family: var(--jp);
  font-size: 29px;
  line-height: 1.42;
}

.body-copy {
  width: 100%;
  max-width: none;
  margin-top: 28px;
  color: #151515;
  font-family: var(--jp);
  font-size: 15px;
  line-height: 2.05;
}

.hero-visual {
  min-height: 360px;
  display: grid;
  place-items: center;
}

.principle-rings {
  position: relative;
  width: min(100%, 420px);
  height: 360px;
}

.principle-rings::before,
.principle-rings::after {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
}

.principle-rings::before {
  inset: 12px 38px;
}

.principle-rings::after {
  inset: 78px 100px;
}

.principle-rings span,
.principle-rings strong {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-family: var(--jp);
  font-size: 13px;
  font-weight: 700;
}

.principle-rings span {
  width: 82px;
  height: 38px;
}

.principle-rings span:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.principle-rings span:nth-child(2) {
  top: 45%;
  right: 0;
}

.principle-rings span:nth-child(3) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.principle-rings strong {
  top: 45%;
  left: 0;
  width: 82px;
  height: 38px;
}

.service-list {
  padding-top: 26px;
}

.service-row {
  display: grid;
  grid-template-columns: 52px 1fr 28px;
  gap: 20px;
  align-items: start;
  min-height: 112px;
  padding: 20px 0 26px;
  border-bottom: 1px solid var(--line);
}

.service-row::after {
  margin-left: 0;
  justify-self: end;
  font-size: 20px;
}

.service-row .num {
  font-size: 15px;
}

.service-row h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
}

.service-row p {
  margin-top: 12px;
  font-family: var(--jp);
  font-size: 13px;
  line-height: 1.7;
}

.section {
  padding: 76px 0;
  border-top: 1px solid var(--line-soft);
}

.section-grid {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 92px;
}

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

.section-title {
  font-family: var(--jp);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.45;
}

.section-title.en {
  font-family: var(--font);
  font-size: 33px;
  font-weight: 700;
}

.cycle-model {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: stretch;
}

.model-panel {
  min-height: 300px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.52);
}

.model-label {
  display: block;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.point-cloud {
  position: relative;
  height: 145px;
}

.point-cloud span,
.orbit-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 13px;
  font-weight: 700;
}

.point-cloud span {
  position: absolute;
  min-width: 74px;
  height: 34px;
}

.point-cloud span:nth-child(1) {
  top: 0;
  left: 4px;
}

.point-cloud span:nth-child(2) {
  top: 26px;
  right: 0;
}

.point-cloud span:nth-child(3) {
  bottom: 28px;
  left: 36px;
}

.point-cloud span:nth-child(4) {
  right: 26px;
  bottom: 0;
}

.loop-orbit {
  position: relative;
  width: 190px;
  height: 190px;
  margin: 4px auto 0;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit-arrow {
  position: absolute;
  width: 9px;
  height: 9px;
  border: solid var(--muted);
}

.orbit-arrow.upper {
  top: 39px;
  right: 10px;
  border-width: 1px 1px 0 0;
  transform: rotate(105deg);
}

.orbit-arrow.lower {
  bottom: 39px;
  left: 10px;
  border-width: 1px 1px 0 0;
  transform: rotate(278deg);
}

.orbit-node {
  position: absolute;
  min-width: 64px;
  height: 34px;
  font-family: var(--jp);
}

.orbit-node.top {
  top: -17px;
  left: 50%;
  transform: translateX(-50%);
}

.orbit-node.right {
  top: 50%;
  right: -24px;
  transform: translateY(-50%);
}

.orbit-node.bottom {
  bottom: -17px;
  left: 50%;
  transform: translateX(-50%);
}

.orbit-node.left {
  top: 50%;
  left: -24px;
  transform: translateY(-50%);
}

.orbit-center {
  position: absolute;
  inset: 58px 34px;
  display: grid;
  place-items: center;
  border: 1px solid #111;
  border-radius: 999px;
  background: #fff;
  font-size: 13px;
  line-height: 1.2;
  text-align: center;
}

.model-panel p {
  margin-top: 22px;
  color: #151515;
  font-family: var(--jp);
  font-size: 13px;
  line-height: 1.9;
}

.model-arrow {
  position: relative;
  align-self: center;
  width: 28px;
  height: 28px;
}

.model-arrow::before,
.model-arrow::after {
  position: absolute;
  top: 50%;
  content: "";
}

.model-arrow::before {
  left: 4px;
  width: 18px;
  border-top: 1px solid var(--muted);
  transform: translateY(-50%);
}

.model-arrow::after {
  right: 4px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--muted);
  border-right: 1px solid var(--muted);
  transform: translateY(-50%) rotate(45deg);
}

.terminal {
  width: min(570px, 100%);
  min-height: 220px;
  padding: 28px 34px;
  border: 1px solid #cfcfcf;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.66);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.8;
  white-space: pre-wrap;
}

.terminal.dark {
  border-color: #0a0a0a;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.08), transparent 11rem),
    #070707;
  color: #f5f5f5;
}

.terminal .green {
  color: var(--green);
}

.flow {
  display: grid;
  gap: 10px;
  min-width: 138px;
}

.flow li {
  display: grid;
  justify-items: center;
  gap: 6px;
  font-size: 14px;
  text-align: center;
}

.flow li::after {
  color: #555;
  content: "↓";
}

.flow li:last-child::after {
  content: "";
}

.work-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 52px;
  align-items: center;
}

.articles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.article-card,
.feature-card {
  min-height: 160px;
  padding: 22px 22px 18px;
  border: 1px solid #d6d6d6;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.48);
}

.article-card {
  position: relative;
  display: flex;
  flex-direction: column;
  color: inherit;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.article-card:hover,
.article-card:focus-visible {
  border-color: #bdbdbd;
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-2px);
}

.article-card time {
  color: var(--muted);
  font-size: 12px;
}

.article-card h3,
.feature-card h3 {
  margin-top: 18px;
  font-family: var(--jp);
  font-size: 15px;
  line-height: 1.7;
}

.article-card p,
.feature-card p {
  margin-top: 28px;
  color: var(--muted);
  font-size: 12px;
}

.card-link {
  display: flex;
  justify-content: flex-end;
  margin-top: auto;
  padding-top: 20px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.article-card:hover .card-link,
.article-card:focus-visible .card-link {
  transform: translateX(2px);
}

.knowledge-container {
  width: min(860px, calc(100% - 72px));
  margin: 0 auto;
}

.knowledge-article {
  padding: 46px 0 104px;
}

.knowledge-index {
  padding-top: 64px;
}

.knowledge-index-container {
  width: min(1110px, calc(100% - 72px));
}

.article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.knowledge-card {
  position: relative;
  display: block;
  min-height: 100%;
  padding: 24px 26px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.58);
  color: inherit;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.knowledge-card:hover,
.knowledge-card:focus-visible {
  border-color: #bdbdbd;
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-2px);
}

.knowledge-card::after {
  position: absolute;
  right: 24px;
  bottom: 22px;
  content: "→";
  color: var(--ink);
  font-size: 14px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.knowledge-card:hover::after,
.knowledge-card:focus-visible::after {
  transform: translateX(2px);
}

.knowledge-card-title {
  font-family: var(--jp);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
}

.knowledge-card-desc {
  margin-top: 10px;
  color: var(--muted);
  font-family: var(--jp);
  font-size: 14px;
  line-height: 1.9;
}

.knowledge-card-meta,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
}

.article-meta > time,
.article-reading-time,
.article-tags,
.md-link {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
}

.tag-filter,
.article-tags,
.related-tools-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.tag-filter {
  margin-bottom: 20px;
}

.tag-filter-item,
.article-tag,
.related-tool-link {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.tag-filter-item.is-active,
.article-tag--cat {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.tag-filter-note {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
}

.tag-filter-note a,
.article-body a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.knowledge-article-header {
  margin: 46px 0 56px;
  padding: 0 0 34px;
  border-bottom: 1px solid var(--line);
}

.article-title {
  font-family: var(--jp);
  font-size: clamp(34px, 4.1vw, 56px);
  font-weight: 700;
  line-height: 1.32;
}

.article-reading-time-sep,
.breadcrumb-sep {
  color: #b7b7b7;
}

.md-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.md-link svg,
.related-tool-link svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.article-body {
  font-family: var(--jp);
  font-size: 16px;
  line-height: 2.08;
}

.article-body > * + * {
  margin-top: 1.25em;
}

.toc {
  margin: 34px 0 46px;
  padding: 22px 24px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.58);
}

.toc-title {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.toc ol {
  padding-left: 1.2em;
}

.toc li {
  margin-top: 8px;
  list-style: decimal;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  font-weight: 700;
  line-height: 1.55;
}

.article-body h2 {
  margin-top: 3.2em;
  padding-bottom: 0.55em;
  border-bottom: 1px solid var(--line);
  font-size: 27px;
}

.article-body h3 {
  margin-top: 2.4em;
  font-size: 20px;
}

.article-body h4 {
  margin-top: 1.8em;
  font-size: 17px;
}

.article-body ul,
.article-body ol {
  padding-left: 1.45em;
}

.article-body li {
  list-style: initial;
  margin-top: 0.4em;
}

.article-body ol li {
  list-style: decimal;
}

.article-body blockquote {
  margin: 1.8em 0;
  padding: 18px 22px;
  border-left: 2px solid var(--ink);
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.article-body code {
  padding: 2px 6px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: #fff;
  font-family: var(--mono);
  font-size: 0.9em;
}

.article-body pre {
  overflow-x: auto;
  padding: 22px;
  border-radius: 6px;
  background: #111;
  color: #f6f6f2;
}

.article-body pre code {
  border: 0;
  background: transparent;
  color: inherit;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.article-body th,
.article-body td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.related-tools,
.article-nav {
  margin-top: 64px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.related-tools-title {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.article-nav a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.58);
}

.article-nav .next {
  text-align: right;
}

.article-nav-label {
  color: var(--muted);
  font-size: 12px;
}

.article-nav-title {
  font-family: var(--jp);
  font-size: 14px;
  line-height: 1.7;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: 34px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 13px;
}

.pagination .current {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.knowledge-not-found {
  padding: 90px 0;
  text-align: center;
}

.knowledge-not-found h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
}

.knowledge-not-found p {
  margin-top: 18px;
  color: var(--muted);
  font-family: var(--jp);
}

.simple-page-body {
  max-width: 900px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  padding: 30px 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--jp);
}

.faq-item h2 {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.55;
}

.faq-item p {
  margin-top: 12px;
  color: #151515;
  font-size: 15px;
  line-height: 2;
}

.faq-cta {
  margin-top: 42px;
}

.glossary-index {
  width: min(1110px, calc(100% - 72px));
}

.glossary-search {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(220px, 0.6fr) auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 26px;
  font-family: var(--jp);
}

.glossary-search label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.glossary-search input,
.glossary-search select {
  min-height: 46px;
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font: inherit;
}

.glossary-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.glossary-card {
  display: block;
  min-height: 100%;
  padding: 24px 26px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.58);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.glossary-card:hover {
  border-color: #bdbdbd;
  background: rgba(255, 255, 255, 0.86);
}

.glossary-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.glossary-card-meta span,
.glossary-reading {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.glossary-card h2 {
  font-family: var(--jp);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.55;
}

.glossary-card p,
.glossary-empty {
  margin-top: 10px;
  color: var(--muted);
  font-family: var(--jp);
  font-size: 14px;
  line-height: 1.9;
}

.glossary-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 64px;
  align-items: start;
  width: min(980px, calc(100% - 72px));
}

.glossary-entry,
.glossary-side {
  font-family: var(--jp);
}

.glossary-reading {
  margin-bottom: 24px;
}

.glossary-body p {
  font-size: 16px;
  line-height: 2.05;
}

.glossary-body p + p {
  margin-top: 18px;
}

.glossary-side {
  padding-top: 6px;
}

.glossary-side-block {
  padding: 0 0 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.glossary-side-block h2 {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.glossary-side-block p,
.glossary-related-list {
  color: var(--ink);
  font-size: 14px;
  line-height: 1.8;
}

.glossary-related-list {
  display: grid;
  gap: 10px;
}

.glossary-related-list a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.simple-page-body a:not(.button):not(.text-link),
.body-copy a:not(.button):not(.text-link),
.contact-layout a:not(.button):not(.text-link),
.company-profile a:not(.button):not(.text-link) {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.company-profile {
  font-family: var(--jp);
}

.company-profile > * + * {
  margin-top: 44px;
}

.company-profile p {
  font-size: 15px;
  line-height: 2;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 72px;
  align-items: start;
  font-family: var(--jp);
}

.contact-layout p {
  font-size: 15px;
  line-height: 2;
}

.contact-layout p + p {
  margin-top: 18px;
}

.contact-form {
  display: grid;
  gap: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

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

.contact-form label > span,
.checkbox-field span {
  font-size: 13px;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 15px;
}

.contact-form input,
.contact-form select {
  height: 46px;
  padding: 0 14px;
}

.contact-form textarea {
  min-height: 180px;
  padding: 13px 14px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--ink);
  outline: 2px solid rgba(0, 0, 0, 0.08);
  outline-offset: 2px;
}

.checkbox-field {
  grid-template-columns: 18px 1fr;
  align-items: start;
}

.checkbox-field input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.checkbox-field a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.field-error,
.form-message {
  font-family: var(--jp);
  font-size: 13px;
  line-height: 1.7;
}

.field-error,
.form-message.is-error {
  color: #9d2c20;
}

.form-message {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
}

.form-message.is-success {
  color: #245c37;
}

.contact-form .button {
  border: 1px solid #000;
  cursor: pointer;
  font-family: var(--jp);
}

.contact-form-trap {
  display: none !important;
}

.profile-list {
  border-top: 1px solid var(--line);
}

.profile-list div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.profile-list dt {
  color: var(--muted);
  font-size: 13px;
}

.profile-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.legal-content {
  max-width: 860px;
  font-family: var(--jp);
}

.legal-content > * + * {
  margin-top: 42px;
}

.legal-content h2 {
  margin-bottom: 14px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
}

.legal-content p,
.legal-content li {
  font-size: 15px;
  line-height: 2;
}

.legal-content ul {
  padding-left: 1.3em;
}

.legal-content li {
  list-style: disc;
  margin-top: 6px;
}

.legal-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.principles {
  display: grid;
  grid-template-columns: 1fr repeat(3, minmax(0, 1.08fr));
  gap: 36px;
  align-items: start;
}

.principles-centered {
  align-items: center;
}

.principles > * + * {
  border-left: 1px solid var(--line);
  padding-left: 36px;
}

.principles-intro {
  padding: 18px 0;
}

.principle h3 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}

.principle-title {
  font-size: 26px;
  line-height: 1.45;
  white-space: nowrap;
}

.principle strong {
  display: block;
  margin-top: 6px;
  font-family: var(--jp);
  font-size: 13px;
  line-height: 1.65;
  white-space: nowrap;
}

.principle p {
  margin-top: 20px;
  font-family: var(--jp);
  font-size: 14px;
  line-height: 1.9;
}

.cta {
  padding: 36px 0;
  border-top: 1px solid var(--line);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 60px;
  align-items: center;
}

.cta h2 {
  font-family: var(--jp);
  font-size: 33px;
  font-weight: 700;
  line-height: 1.4;
}

.cta p {
  font-family: var(--jp);
  font-size: 15px;
  line-height: 1.9;
}

.site-footer {
  padding: 34px 0 28px;
  border-top: 1px solid var(--line-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr) 1fr;
  gap: 38px;
}

.footer-brand p,
.footer-col a,
.footer-social a,
.footer-legal a,
.copyright {
  display: block;
  font-size: 12px;
  line-height: 2;
}

.footer-brand strong {
  display: block;
  margin-bottom: 4px;
  font-size: 21px;
}

.footer-col strong {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-content: start;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 14px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 22px;
}

.cms-orbit {
  position: relative;
  width: 430px;
  height: 430px;
  margin: 0 auto;
  border: 1px solid #d8d8d8;
  border-radius: 50%;
}

.cms-orbit::before {
  position: absolute;
  inset: 84px;
  border: 1px solid #dedede;
  border-radius: 50%;
  content: "";
}

.cms-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.12;
  text-align: center;
}

.orbit-label {
  position: absolute;
  font-family: var(--jp);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.orbit-label.top {
  top: -28px;
  left: 50%;
  transform: translateX(-50%);
}

.orbit-label.right {
  top: 50%;
  right: -88px;
  transform: translateY(-50%);
}

.orbit-label.bottom {
  bottom: -35px;
  left: 50%;
  transform: translateX(-50%);
}

.orbit-label.left {
  top: 50%;
  left: -72px;
  transform: translateY(-50%);
}

.features {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.feature-card .icon {
  font-size: 30px;
}

.stack-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.stack-list article {
  min-height: 150px;
  padding: 28px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stack-list h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.stack-list p {
  margin-top: 18px;
  color: var(--muted);
  font-family: var(--jp);
  font-size: 14px;
  line-height: 1.9;
}

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  overflow: hidden;
}

.compare > div {
  padding: 42px 54px;
}

.compare > div:first-child {
  background: rgba(0, 0, 0, 0.025);
}

.check-list li,
.plain-list li {
  font-family: var(--jp);
  font-size: 14px;
  line-height: 2.1;
}

.check-list li::before {
  margin-right: 12px;
  content: "✓";
}

.plain-list li::before {
  margin-right: 10px;
  content: "・";
}

.formula {
  display: grid;
  grid-template-columns: repeat(7, auto);
  gap: 28px;
  align-items: start;
  justify-content: center;
  text-align: center;
}

.formula .number {
  display: block;
  margin-bottom: 22px;
  font-size: 48px;
  line-height: 1;
}

.formula h3 {
  font-family: var(--jp);
  font-size: 16px;
}

.formula p {
  max-width: 150px;
  margin-top: 20px;
  font-family: var(--jp);
  font-size: 13px;
}

.operator {
  padding-top: 66px;
  font-size: 24px;
}

.formula-result {
  grid-column: 1 / -1;
  margin-top: 28px;
  font-family: var(--jp);
  font-size: 34px;
  font-weight: 700;
}

.approach {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 58px;
}

.approach .icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  border: 1px solid #d1d1d1;
  border-radius: 50%;
  font-size: 27px;
}

.approach .icon svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.45;
}

.approach h3 {
  font-family: var(--jp);
  font-size: 16px;
  white-space: nowrap;
}

.approach p {
  margin-top: 16px;
  font-family: var(--jp);
  font-size: 13px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 230px repeat(3, minmax(0, 1fr));
  gap: 30px;
  align-items: start;
}

.pricing-title {
  margin-bottom: 0;
  font-family: var(--jp);
  font-size: clamp(42px, 4.2vw, 60px);
  font-weight: 700;
  line-height: 1.3;
}

.plan {
  border-left: 1px solid var(--line);
  min-width: 0;
  padding-left: 24px;
}

.plan .num {
  display: block;
  margin-bottom: 18px;
  font-size: 14px;
}

.plan h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
}

.plan .sub {
  margin-top: 8px;
  font-family: var(--jp);
  font-size: 14px;
}

.ad-budget {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  color: #3f555c;
  font-family: var(--jp);
  font-size: 14px;
  line-height: 1.7;
}

.plan-points {
  margin-top: 16px;
}

.plan-points li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-family: var(--jp);
  font-size: 13px;
  line-height: 2;
}

.plan-points li::before {
  position: absolute;
  top: 0.92em;
  left: 0;
  width: 6px;
  height: 6px;
  border: 1px solid #3f555c;
  border-radius: 50%;
  content: "";
}

.price {
  margin: 28px 0 8px;
  font-size: clamp(28px, 2.15vw, 34px);
  line-height: 1.2;
  white-space: nowrap;
}

.price small {
  display: inline-block;
  font-size: 15px;
  white-space: nowrap;
}

.plan h3 {
  margin: 28px 0 8px;
  font-family: var(--jp);
  font-size: 14px;
}

.plan li {
  font-family: var(--jp);
  font-size: 13px;
  line-height: 2;
}

.license-grid {
  display: grid;
  grid-template-columns: 280px 1fr 1fr;
  gap: 70px;
}

.license {
  border-left: 1px solid var(--line);
  padding-left: 44px;
}

.license h3 {
  font-size: 25px;
  font-weight: 700;
}

.license .price {
  font-size: 37px;
}

.fee-grid {
  display: grid;
  grid-template-columns: 190px 1fr 1fr;
  gap: 58px;
}

.fee-table {
  border-left: 1px solid var(--line);
  padding-left: 34px;
}

.fee-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 0;
  border-bottom: 1px solid #efefef;
  font-size: 14px;
}

.fee-total {
  margin-top: 10px;
  font-size: 20px;
  text-align: right;
}

@media (max-width: 900px) {
  .container {
    width: min(100% - 36px, 640px);
  }

  .site-header {
    position: static;
  }

  .nav {
    min-height: 76px;
  }

  .nav-links {
    gap: 18px;
    font-size: 11px;
  }

  .nav-links a:not(.button) {
    display: none;
  }

  .hero-grid,
  .section-grid,
  .work-grid,
  .cta-inner,
  .principles,
  .pricing-grid,
  .license-grid,
  .fee-grid,
  .glossary-search,
  .glossary-detail {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero {
    min-height: auto;
    padding: 56px 0;
  }

  .hero-title {
    font-size: 68px;
  }

  .hero-title.jp {
    font-size: 38px;
  }

  .hero-copy,
  .section-title,
  .cta h2 {
    font-size: 26px;
  }

  .hero-visual {
    min-height: 300px;
  }

  .principle-rings {
    width: min(100%, 320px);
    height: 300px;
  }

  .principle-rings span,
  .principle-rings strong {
    width: 70px;
  }

  .service-row {
    grid-template-columns: 42px 1fr 20px;
    gap: 18px;
  }

  .articles,
  .features,
  .approach,
  .glossary-list {
    grid-template-columns: 1fr;
  }

  .approach h3 {
    white-space: normal;
  }

  .glossary-index,
  .glossary-detail {
    width: min(100% - 36px, 640px);
  }

  .principles > * + * {
    border-left: 0;
    padding-left: 0;
  }

  .principles {
    align-items: start;
  }

  .principles-intro {
    padding: 0;
  }

  .principle strong {
    white-space: normal;
  }

  .principle-title {
    white-space: normal;
  }

  .knowledge-container {
    width: min(100% - 44px, 860px);
  }

  .knowledge-index-container {
    width: min(100% - 44px, 1110px);
  }

  .article-list {
    grid-template-columns: 1fr;
  }

  .knowledge-article {
    padding: 32px 0 72px;
  }

  .knowledge-article-header {
    margin: 34px 0 42px;
    padding-bottom: 26px;
  }

  .article-title {
    font-size: 31px;
    line-height: 1.42;
  }

  .article-body {
    font-size: 15px;
    line-height: 2;
  }

  .article-body h2 {
    font-size: 24px;
  }

  .toc {
    padding: 18px;
  }

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

  .article-nav .next {
    text-align: left;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }

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

  .profile-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .contact-layout,
  .form-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cycle-model {
    grid-template-columns: 1fr;
  }

  .model-arrow {
    transform: rotate(90deg);
  }

  .cms-orbit {
    display: grid;
    width: min(100%, 340px);
    height: auto;
    margin: 40px auto;
    border: 0;
    border-radius: 0;
    gap: 10px;
  }

  .cms-orbit::before {
    display: none;
  }

  .cms-center,
  .orbit-label {
    position: static;
    transform: none;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 12px 18px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    text-align: center;
  }

  .cms-center {
    flex-direction: column;
    order: 1;
    min-height: 76px;
    border-color: #111;
    font-size: 24px;
    line-height: 1.05;
  }

  .orbit-label.top {
    order: 2;
    inset: auto;
    transform: none;
  }

  .orbit-label.right {
    order: 3;
    inset: auto;
    transform: none;
  }

  .orbit-label.bottom {
    order: 4;
    inset: auto;
    transform: none;
  }

  .orbit-label.left {
    order: 5;
    inset: auto;
    transform: none;
  }

  .formula {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .operator {
    padding-top: 0;
  }

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

  .stack-list {
    grid-template-columns: 1fr;
  }

  .terminal {
    font-size: 12px;
    padding: 22px;
  }

  .flow {
    display: flex;
    gap: 0;
    min-width: 0;
    overflow-x: auto;
    padding: 2px 0 8px;
  }

  .flow li {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    text-align: left;
    white-space: nowrap;
  }

  .flow li br {
    display: none;
  }

  .flow li small {
    font-size: 11px;
  }

  .flow li::after {
    content: "→";
    margin: 0 12px;
  }

  .flow li:last-child::after {
    content: "";
    margin: 0;
  }
}