@charset "UTF-8";
*,
*:before,
*:after {
  box-sizing: border-box;
}
* {
  margin: 0;
  padding: 0;
}
html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  line-height: 1.6;
  min-height: 100vh;
}
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}
button {
  background: none;
  border: none;
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: inherit;
  line-height: 1.3;
}
table {
  border-collapse: collapse;
}
:root {
  --color-bg-dark: #0a0a0a;
  --color-bg-section: #1a1a1a;
  --color-bg-light: #ffffff;
  --color-text-primary-dark: #f5f5f5;
  --color-text-primary-light: #0a0a0a;
  --color-text-muted-dark: #888888;
  --color-text-muted-light: #666666;
  --color-border-dark: rgba(255, 255, 255, 0.15);
  --color-border-light: rgba(0, 0, 0, 0.12);
  --color-accent: #ffffff;
  --font-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-en: "Inter", sans-serif;
  --font-display: "Cormorant Garamond", serif;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 96px;
  --spacing-xxl: 160px;
  --spacing-section: 200px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.18);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  --z-loading: 9999;
  --z-cursor: 9000;
  --z-header: 1000;
  --z-modal: 800;
  --z-overlay: 500;
}
html {
  font-size: 16px;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
body {
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-primary-dark);
  background-color: var(--color-bg-dark);
  overflow-x: hidden;
}
[lang="en"],
.en,
.font-en {
  font-family: var(--font-en);
}
.font-display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
}
.section--light {
  background-color: var(--color-bg-light);
  color: var(--color-text-primary-light);
}
::selection {
  background-color: var(--color-accent);
  color: var(--color-bg-dark);
}
.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}
@media (min-width: 900px) {
  .container {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}
.text-block {
  max-width: 800px;
}
.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;
}
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
  white-space: nowrap;
}
.btn--primary {
  background-color: #fff;
  color: #0a0a0a;
  border-color: #fff;
}
.btn--primary:hover {
  background-color: transparent;
  color: #fff;
}
.btn--outline {
  background-color: transparent;
  color: #0a0a0a;
  border-color: #0a0a0a;
}
.btn--outline:hover {
  background-color: #0a0a0a;
  color: #fff;
}
.btn--outline-white {
  background-color: transparent;
  color: #fff;
  border-color: #ffffff80;
}
.btn--outline-white:hover {
  background-color: #fff;
  color: #0a0a0a;
  border-color: #fff;
}
.btn--dark {
  background-color: #0a0a0a;
  color: #fff;
  border-color: #0a0a0a;
}
.btn--dark:hover {
  background-color: transparent;
  color: #0a0a0a;
}
.btn--large {
  padding: 18px 48px;
  font-size: 0.85rem;
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: 72px;
  transition:
    background-color var(--transition-base),
    backdrop-filter var(--transition-base);
}
@media (min-width: 900px) {
  .header {
    height: 80px;
  }
}
.header.is-scrolled {
  background-color: #0a0a0aeb;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
}
@media (min-width: 900px) {
  .header__inner {
    padding: 0 var(--spacing-lg);
  }
}
.header__logo {
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-text-primary-dark);
  transition: opacity var(--transition-fast);
}
.header__logo:hover {
  opacity: 0.7;
}

.header__logo {
  display: flex;
  align-items: center;
}
.header__logo-img {
  height: 38px;
  width: auto;
  display: block;
}
@media (min-width: 900px) {
  .header__logo-img {
    height: 46px;
  }
}
.header__nav {
  display: none;
}
@media (min-width: 900px) {
  .header__nav {
    display: block;
  }
}
.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}
.header__nav-link {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #f5f5f5bf;
  transition: color var(--transition-fast);
}
.header__nav-link:hover {
  color: var(--color-text-primary-dark);
}
.header__nav-link--cta {
  color: var(--color-text-primary-dark);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 8px 20px;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}
.header__nav-link--cta:hover {
  background-color: #fff;
  color: #0a0a0a;
  border-color: #fff;
}
.header__hamburger {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
}
@media (min-width: 900px) {
  .header__hamburger {
    display: none;
  }
}
.header__hamburger.is-open .header__hamburger-bar:first-child {
  transform: translateY(8px) rotate(45deg);
}
.header__hamburger.is-open .header__hamburger-bar:last-child {
  transform: translateY(-2px) rotate(-45deg);
}
.header__hamburger-bar {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-text-primary-dark);
  transition: transform var(--transition-base);
  transform-origin: center;
}
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: calc(var(--z-header) - 1);
  background-color: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}
@media (min-width: 900px) {
  .mobile-menu {
    display: none;
  }
}
.mobile-menu__list {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}
.mobile-menu__link {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-primary-dark);
  transition: color var(--transition-fast);
}
.mobile-menu__link:hover {
  color: var(--color-text-muted-dark);
}
.mobile-menu__link--cta {
  display: inline-block;
  padding: 12px 32px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  margin-top: var(--spacing-sm);
}
.mobile-menu__link--cta:hover {
  background-color: #fff;
  color: #0a0a0a;
}
.footer {
  background-color: #050505;
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
}
.footer__inner {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}
@media (min-width: 900px) {
  .footer__inner {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}
.footer__top {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-dark);
}
@media (min-width: 900px) {
  .footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}
.footer__brand {
  flex-shrink: 0;
}
.footer__logo {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-text-primary-dark);
  margin-bottom: var(--spacing-xs);
}
.footer__tagline {
  font-size: 0.8rem;
  color: var(--color-text-muted-dark);
  letter-spacing: 0.05em;
}
.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-lg);
}
@media (min-width: 900px) {
  .footer__nav-list {
    justify-content: flex-end;
  }
}
.footer__nav-list a {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  transition: color var(--transition-fast);
}
.footer__nav-list a:hover {
  color: var(--color-text-primary-dark);
}
.footer__bottom {
  padding-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}
@media (min-width: 900px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.footer__address {
  font-size: 0.75rem;
  color: var(--color-text-muted-dark);
  letter-spacing: 0.03em;
}
.footer__copy {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: #8889;
  letter-spacing: 0.05em;
}
.section-blog {
  background-color: var(--color-bg-dark);
  padding-top: var(--spacing-section);
  padding-bottom: var(--spacing-section);
}
.section-blog__header {
  margin-bottom: var(--spacing-xl);
  max-width: 560px;
}
.section-blog__label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-sm);
}
.section-blog__title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text-primary-dark);
  margin-bottom: var(--spacing-sm);
}
.section-blog__sub {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-muted-dark);
}
.section-blog__grid {
  display: grid;
  gap: 1px;
  background-color: var(--color-border-dark);
  margin-bottom: var(--spacing-xl);
}
@media (min-width: 900px) {
  .section-blog__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.section-blog__card {
  background-color: var(--color-bg-dark);
  overflow: hidden;
}
.section-blog__card-link {
  display: block;
}
.section-blog__card-link:hover .section-blog__card-img:after {
  opacity: 0.5;
}
.section-blog__card-link:hover .section-blog__card-title {
  opacity: 0.7;
}
.section-blog__card-img {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #111, #1a1a1a);
  position: relative;
  overflow: hidden;
}
.section-blog__card-img:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: var(--color-bg-dark);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.section-blog__card-body {
  padding: var(--spacing-md);
}
.section-blog__card-date {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted-dark);
  margin-bottom: 6px;
}
.section-blog__card-cat {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted-dark);
  border: 1px solid var(--color-border-dark);
  padding: 3px 10px;
  margin-bottom: var(--spacing-sm);
}
.section-blog__card-title {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--color-text-primary-dark);
  transition: opacity var(--transition-fast);
}
.section-blog__more {
  text-align: center;
}
.works-detail {
  padding-top: 120px;
  padding-bottom: var(--spacing-section);
  background-color: var(--color-bg-dark);
}
.works-detail__hero {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}
@media (min-width: 900px) {
  .works-detail__hero {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}
.works-detail__hero {
  margin-bottom: var(--spacing-xl);
}
.works-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-lg);
  transition: color var(--transition-fast);
}
.works-detail__back:hover {
  color: var(--color-text-primary-dark);
}
.works-detail__back:before {
  content: "←";
}
.works-detail__tag {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-sm);
  display: block;
}
.works-detail__title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--color-text-primary-dark);
  margin-bottom: var(--spacing-md);
}
.works-detail__thumb {
  width: 100%;
  aspect-ratio: 16/8;
  margin-bottom: var(--spacing-xl);
  overflow: hidden;
}
.works-detail__thumb-img {
  width: 100%;
  height: 100%;
}
.works-detail__body {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}
@media (min-width: 900px) {
  .works-detail__body {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}
.works-detail__body {
  display: grid;
  gap: var(--spacing-xl);
}
@media (min-width: 1200px) {
  .works-detail__body {
    grid-template-columns: 1fr 320px;
    align-items: start;
  }
}
.works-detail__content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary-dark);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-dark);
}
.works-detail__content h2:first-child {
  margin-top: 0;
}
.works-detail__content p {
  font-size: 0.925rem;
  line-height: 2;
  color: #f5f5f5bf;
  margin-bottom: var(--spacing-sm);
}
.works-detail__content ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: var(--spacing-md);
}
.works-detail__content ul li {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #f5f5f5b3;
  padding-left: 16px;
  position: relative;
}
.works-detail__content ul li:before {
  content: "–";
  position: absolute;
  left: 0;
  color: #ffffff4d;
}
.works-detail__meta {
  position: sticky;
  top: 100px;
  background-color: var(--color-bg-section);
  padding: var(--spacing-md);
}
.works-detail__meta-title {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-dark);
}
.works-detail__meta-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}
.works-detail__meta-list dt {
  font-size: 0.7rem;
  color: var(--color-text-muted-dark);
  margin-bottom: 4px;
}
.works-detail__meta-list dd {
  font-size: 0.875rem;
  color: var(--color-text-primary-dark);
  line-height: 1.6;
}
.works-detail__meta-link {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  border: 1px solid var(--color-border-dark);
  padding: 10px 20px;
  width: 100%;
  text-align: center;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}
.works-detail__meta-link:hover {
  background-color: #fff;
  color: #0a0a0a;
  border-color: #fff;
}
.works-detail__tech-section {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-dark);
}
.works-detail__tech-label {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-sm);
}
.works-detail__techs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.works-detail__tech {
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted-dark);
  border: 1px solid var(--color-border-dark);
  padding: 4px 10px;
}
.blog-index {
  padding-top: 120px;
  padding-bottom: var(--spacing-section);
  background-color: var(--color-bg-dark);
}
.blog-index__header {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}
@media (min-width: 900px) {
  .blog-index__header {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}
.blog-index__header {
  margin-bottom: var(--spacing-xl);
}
.blog-index__label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-sm);
}
.blog-index__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text-primary-dark);
  letter-spacing: 0.02em;
}
.blog-index__grid {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}
@media (min-width: 900px) {
  .blog-index__grid {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}
.blog-index__grid {
  display: grid;
  gap: 1px;
  background-color: var(--color-border-dark);
}
@media (min-width: 900px) {
  .blog-index__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.blog-post {
  padding-top: 120px;
  padding-bottom: var(--spacing-section);
  background-color: var(--color-bg-dark);
}
.blog-post__inner {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}
@media (min-width: 900px) {
  .blog-post__inner {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}
.blog-post__inner {
  max-width: 860px;
}
.blog-post__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-lg);
  transition: color var(--transition-fast);
}
.blog-post__back:hover {
  color: var(--color-text-primary-dark);
}
.blog-post__back:before {
  content: "←";
}
.blog-post__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}
.blog-post__date {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted-dark);
}
.blog-post__cat {
  font-size: 0.7rem;
  color: var(--color-text-muted-dark);
  border: 1px solid var(--color-border-dark);
  padding: 3px 12px;
}
.blog-post__title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--color-text-primary-dark);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-dark);
}
.blog-post__body h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary-dark);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-sm);
  border-left: 2px solid rgba(255, 255, 255, 0.3);
}
.blog-post__body p {
  font-size: 0.95rem;
  line-height: 2.1;
  color: #f5f5f5bf;
  margin-bottom: var(--spacing-md);
}
.blog-post__body ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-sm);
}
.blog-post__body ul li {
  font-size: 0.925rem;
  line-height: 1.8;
  color: #f5f5f5b3;
  padding-left: 16px;
  position: relative;
}
.blog-post__body ul li:before {
  content: "–";
  position: absolute;
  left: 0;
  color: #ffffff4d;
}

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.cursor.is-visible {
  opacity: 1;
}
.cursor__dot {
  position: absolute;
  width: 5px;
  height: 5px;
  background-color: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.cursor__ring {
  position: absolute;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
  transition: width 0.25s ease, height 0.25s ease, border-color 0.25s ease;
}
.cursor.is-hover .cursor__ring {
  width: 52px;
  height: 52px;
  border-color: rgba(255, 255, 255, 0.7);
}

.works-detail__review {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 3px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.03);
}
.works-detail__review-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-sm);
}
.works-detail__review-quote {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text-primary-dark);
  font-style: normal;
  quotes: none;
}
.works-detail__review-name {
  margin-top: var(--spacing-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted-dark);
  text-align: right;
}

@media (max-width: 599px) {
  .works-detail__review {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

.payment-hero {
  background-color: var(--color-bg-dark);
  padding-top: 160px;
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-dark);
}
.payment-hero__inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}
@media (min-width: 900px) {
  .payment-hero__inner {
    padding: 0 var(--spacing-lg);
  }
}
.payment-hero__label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-sm);
}
.payment-hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text-primary-dark);
  margin-bottom: var(--spacing-md);
}
.payment-hero__sub {
  font-size: 0.925rem;
  line-height: 2;
  color: var(--color-text-muted-dark);
  max-width: 640px;
}

.payment-section {
  background-color: var(--color-bg-dark);
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}
.payment-section--light {
  background-color: var(--color-bg-light);
  color: var(--color-text-primary-light);
}
.payment-section__header {
  margin-bottom: var(--spacing-xl);
  max-width: 720px;
}
.payment-section__label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  margin-bottom: var(--spacing-sm);
}
.payment-section--light .payment-section__label {
  color: var(--color-text-muted-light);
}
.payment-section__title {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text-primary-dark);
  margin-bottom: var(--spacing-sm);
}
.payment-section--light .payment-section__title {
  color: var(--color-text-primary-light);
}
.payment-section__sub {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-muted-dark);
}
.payment-section--light .payment-section__sub {
  color: var(--color-text-muted-light);
}
.payment-section__note {
  margin-top: var(--spacing-lg);
  font-size: 0.8rem;
  color: var(--color-text-muted-light);
  line-height: 1.7;
}

.payment-plans {
  display: grid;
  gap: var(--spacing-md);
}
@media (min-width: 900px) {
  .payment-plans {
    grid-template-columns: repeat(3, 1fr);
  }
}
.payment-plan {
  position: relative;
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}
.payment-plan--featured {
  border-color: #0a0a0a;
  border-width: 2px;
}
.payment-plan__badge {
  position: absolute;
  top: -1px;
  right: var(--spacing-md);
  background-color: #0a0a0a;
  color: #fff;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 12px;
}
.payment-plan__header {
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: var(--spacing-md);
}
.payment-plan__tag {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted-light);
  margin-bottom: var(--spacing-xs);
}
.payment-plan__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary-light);
  margin-bottom: var(--spacing-sm);
}
.payment-plan__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.payment-plan__amount {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary-light);
}
.payment-plan__unit {
  font-size: 0.8rem;
  color: var(--color-text-muted-light);
}
.payment-plan__list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.payment-plan__list li {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted-light);
  padding-left: 16px;
  position: relative;
}
.payment-plan__list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: rgba(0, 0, 0, 0.3);
}
.payment-plan__btn {
  width: 100%;
}

.payment-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}
@media (min-width: 900px) {
  .payment-steps {
    flex-direction: row;
    gap: var(--spacing-xl);
    align-items: flex-start;
  }
}
.payment-step {
  flex: 1;
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}
@media (min-width: 900px) {
  .payment-step {
    flex-direction: column;
  }
}
.payment-step__num {
  font-size: 2.5rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.12);
  line-height: 1;
  flex-shrink: 0;
}
.payment-step__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary-dark);
  margin-bottom: var(--spacing-xs);
}
.payment-step__text {
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--color-text-muted-dark);
}

.payment-notes {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}
.payment-notes li {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted-light);
  padding-left: 20px;
  position: relative;
}
.payment-notes li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: rgba(0, 0, 0, 0.4);
}
.payment-contact {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
}

.doc {
  background-color: var(--color-bg-light);
  color: var(--color-text-primary-light);
}

.doc__hero {
  background-color: var(--color-bg-dark);
  padding: calc(72px + var(--spacing-xl)) 0 var(--spacing-xl);
}
.doc__hero .doc__title {
  color: var(--color-text-primary-dark);
}
.doc__hero .doc__lead {
  color: rgba(245, 245, 245, 0.68);
}
.doc__hero .doc__lead strong {
  color: var(--color-text-primary-dark);
  font-weight: 600;
}
.doc__hero .doc__label,
.doc__hero .doc__back {
  color: var(--color-text-muted-dark);
}
.doc__hero .doc__back:hover {
  color: var(--color-text-primary-dark);
}
.doc__inner {
  width: min(100% - 40px, 760px);
  margin-inline: auto;
}
.doc__back {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted-light);
  margin-bottom: var(--spacing-md);
  transition: color var(--transition-fast);
}
.doc__back:hover {
  color: var(--color-text-primary-light);
}
.doc__label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted-light);
  margin-bottom: var(--spacing-sm);
}
.doc__title {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-md);
}
.doc__lead {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-text-muted-light);
}

.doc__body {
  padding: var(--spacing-xl) 0 var(--spacing-section);
}
.doc__body h2 {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.02em;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
  margin-bottom: var(--spacing-sm);
}
.doc__body > h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.doc__body h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
}
.doc__body p {
  font-size: 0.92rem;
  line-height: 2.1;
  color: var(--color-text-muted-light);
  margin-bottom: var(--spacing-sm);
}
.doc__body strong {
  color: var(--color-text-primary-light);
  font-weight: 600;
}
.doc__body ul {
  list-style: none;
  margin-bottom: var(--spacing-md);
}
.doc__body ul li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text-muted-light);
  margin-bottom: 6px;
}
.doc__body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9em;
  width: 8px;
  height: 1px;
  background-color: var(--color-text-muted-light);
}

.doc__steps {
  list-style: none;
  counter-reset: docstep;
  margin-bottom: var(--spacing-md);
}
.doc__steps li {
  counter-increment: docstep;
  position: relative;
  padding-left: 42px;
  min-height: 28px;
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text-muted-light);
  margin-bottom: var(--spacing-sm);
}
.doc__steps li::before {
  content: counter(docstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.35em;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted-light);
  border: 1px solid var(--color-border-light);
  border-radius: 999px;
  padding: 2px 8px;
}
.doc__steps strong {
  color: var(--color-text-primary-light);
  font-weight: 600;
}

.doc__note {
  padding: var(--spacing-md);
  border-left: 2px solid var(--color-text-primary-light);
  background-color: rgba(0, 0, 0, 0.03);
  margin-bottom: var(--spacing-md);
}
.doc__note p:last-child {
  margin-bottom: 0;
}
.doc__note-label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted-light);
  margin-bottom: var(--spacing-xs);
}

.doc__promise {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}
@media (min-width: 800px) {
  .doc__promise {
    grid-template-columns: repeat(2, 1fr);
  }
}
.doc__promise-item {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}
.doc__promise-item--yes {
  background-color: #0a0a0a;
  border-color: #0a0a0a;
}
.doc__promise-item--yes .doc__promise-head {
  color: #ffffff;
}
.doc__promise-item--yes p {
  color: rgba(255, 255, 255, 0.72);
}
.doc__promise-item--yes strong {
  color: #ffffff;
}
.doc__promise-head {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-muted-light);
  margin-bottom: var(--spacing-xs);
}
.doc__promise p {
  font-size: 0.86rem;
  line-height: 2;
  margin-bottom: 0;
}

.doc__foot {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
}
.doc__foot-text {
  flex: 1 1 260px;
  font-size: 0.88rem;
  line-height: 2;
  color: var(--color-text-muted-light);
  margin-bottom: 0;
}
.doc__foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}
.doc__foot-link {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--color-text-primary-light);
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 4px;
  transition: border-color var(--transition-fast);
}
.doc__foot-link:hover {
  border-color: var(--color-text-primary-light);
}

.doc__link {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  margin: var(--spacing-sm) 0 var(--spacing-md);
  padding: 13px 24px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-primary-light);
  border: 1px solid var(--color-text-primary-light);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.doc__link::after {
  content: "→";
  transition: transform var(--transition-fast);
}
.doc__link:hover,
.doc__link:focus-visible {
  background-color: var(--color-text-primary-light);
  color: var(--color-bg-light);
}
.doc__link:hover::after,
.doc__link:focus-visible::after {
  transform: translateX(3px);
}
@media (prefers-reduced-motion: reduce) {
  .doc__link,
  .doc__link::after {
    transition: none;
  }
  .doc__link:hover::after,
  .doc__link:focus-visible::after {
    transform: none;
  }
}

.mb-badge {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted-light);
  border: 1px solid var(--color-border-light);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: var(--spacing-md);
}
.mb-demo {
  max-width: 900px;
  margin: 0 0 var(--spacing-sm);
}
.mb-demo--narrow {
  max-width: 380px;
}
.mb-demo__frame {
  display: block;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.mb-demo__frame video {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
}
.mb-caption {
  font-size: 0.82rem;
  line-height: 2;
  color: var(--color-text-muted-light);
  margin-bottom: var(--spacing-lg);
}

@media (prefers-reduced-motion: reduce) {
  .mb-demo__frame video {
    display: none;
  }
  .mb-demo__frame {
    background: url("public/videos/motion-banner-demo.jpg") center / cover no-repeat;
    aspect-ratio: 3 / 1;
  }
}