:root {
  --font-sans: "Yu Gothic", "Hiragino Sans", "BIZ UDPGothic", "Noto Sans JP", sans-serif;
  --bg: #fffdfb;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #31415a;
  --muted: #66748d;
  --line: rgba(84, 103, 135, 0.16);
  --line-strong: rgba(84, 103, 135, 0.24);
  --shadow: 0 20px 48px rgba(74, 92, 123, 0.08);
  --shadow-soft: 0 12px 28px rgba(74, 92, 123, 0.05);
  --accent: #516684;
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --container: min(1120px, calc(100% - 32px));
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, rgba(246, 231, 233, 0.82), transparent 34%),
    radial-gradient(circle at right top, rgba(230, 241, 250, 0.85), transparent 28%),
    radial-gradient(circle at left bottom, rgba(228, 242, 236, 0.8), transparent 30%),
    linear-gradient(180deg, #fffdfa 0%, #fff8f5 52%, #fcfcff 100%);
  text-rendering: optimizeLegibility;
}

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

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

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

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(81, 102, 132, 0.28);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-soft);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(84, 103, 135, 0.1);
  background: rgba(255, 252, 248, 0.82);
  backdrop-filter: blur(18px);
}

.site-header__shell,
.section__shell,
.site-footer__shell {
  width: var(--container);
  margin: 0 auto;
}

.site-header__shell {
  min-height: var(--header-height);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand__logo {
  width: min(162px, 44vw);
  height: auto;
}

.site-header__utility {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.lang-switch__link {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1;
}

.lang-switch__link[aria-current="page"] {
  color: var(--text);
  font-weight: 700;
}

.lang-switch__divider {
  color: rgba(102, 116, 141, 0.72);
  font-size: 0.84rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav__link {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
}

.site-nav__link--cta {
  border: 1px solid transparent;
  background: transparent;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.menu-toggle__label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.menu-toggle__line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}

.section {
  position: relative;
  padding: 60px 0;
}

.section[id] {
  scroll-margin-top: calc(var(--header-height) + 28px);
}

.section__head {
  max-width: 760px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section__title,
.hero__title,
.page-hero__title {
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.section__title {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
}

.hero__title,
.page-hero__title {
  font-size: clamp(2.1rem, 7vw, 3.55rem);
}

.section__lead,
.hero__lead,
.page-hero__lead,
.page-hero__subtext {
  margin: 0;
  color: var(--muted);
}

.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero {
  padding-top: 24px;
}

.hero__panel,
.page-hero__panel {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 250, 246, 0.92)),
    linear-gradient(135deg, rgba(246, 231, 233, 0.2), rgba(230, 241, 250, 0.16));
  box-shadow: var(--shadow);
}

.hero__panel::before,
.page-hero__panel::before {
  content: "";
  position: absolute;
  inset: auto -4% -18% auto;
  width: min(46vw, 380px);
  aspect-ratio: 3 / 2;
  background: url("assets/images/bg-decoration.png") center / cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
}

.page-home .hero__panel::before,
.page-recruit .page-hero__panel::before {
  background-image: url("assets/images/bg-decoration.png");
}

.hero__content,
.page-hero__copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
}

.hero__copy {
  margin: 0;
  font-size: clamp(1.08rem, 3.6vw, 1.5rem);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-align: center;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

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

.button--primary {
  background: linear-gradient(135deg, #fff2ef, #eef5ff);
  border-color: rgba(81, 102, 132, 0.12);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.button--secondary,
.button--chip,
.button--ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
}

.button--ghost {
  background: rgba(255, 249, 244, 0.84);
}

.hero__media {
  position: relative;
  z-index: 1;
}

.media-frame {
  overflow: hidden;
  border-radius: calc(var(--radius-md) - 4px);
  background: var(--surface-strong);
  border: 1px solid rgba(84, 103, 135, 0.12);
  box-shadow: var(--shadow-soft);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--hero,
.media-frame--wide {
  aspect-ratio: 16 / 9;
}

.media-frame--thumb {
  aspect-ratio: 4 / 3;
}

.status-card,
.link-card,
.guideline-card,
.recruit-card,
.about-panel {
  display: grid;
  gap: 12px;
}

.status-card,
.work-card,
.link-card,
.guideline-card,
.recruit-card,
.prose-block,
.about-panel {
  padding: 20px;
}

.status-card__label {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-card__title {
  margin: 0 0 8px;
  font-size: 1.16rem;
  line-height: 1.45;
}

.status-card__text {
  margin: 0;
  color: var(--muted);
}

.lang-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(81, 102, 132, 0.08);
  color: var(--accent);
  font-size: 0.88rem;
}

.works-grid,
.link-grid,
.guideline-grid,
.recruit-grid {
  display: grid;
  gap: 18px;
}

.work-card {
  display: grid;
  gap: 18px;
}

.work-card__gallery {
  display: grid;
  gap: 10px;
}

.work-card__thumbs {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.media-thumb {
  display: grid;
  gap: 8px;
}

.media-thumb__label {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.work-card__body,
.work-card__links,
.button-row {
  display: grid;
  gap: 12px;
}

.work-card__intro {
  display: grid;
  gap: 10px;
}

.work-card__title,
.link-card__title,
.guideline-card__title,
.about-panel__title,
.recruit-card__title {
  margin: 0;
  line-height: 1.35;
}

.work-card__title {
  display: grid;
  gap: 4px;
  font-size: 1.3rem;
}

.work-card__title-main {
  display: block;
}

.work-card__title-sub {
  display: block;
  color: var(--muted);
  font-size: 0.82em;
  font-weight: 500;
}

.work-card__text,
.work-card__label,
.guidelines-block__note,
.link-list__item small,
.site-footer__text {
  margin: 0;
  color: var(--muted);
}

.work-card__label {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.button-row {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.about-layout {
  display: grid;
  gap: 18px;
}

.prose-block,
.guidelines-block {
  display: grid;
  gap: 16px;
}

.prose-block p,
.guideline-card p,
.recruit-card p {
  margin: 0;
}

.feature-list,
.guideline-list {
  margin: 0;
  padding-left: 1.15rem;
}

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

.link-card {
  padding: 16px;
}

.link-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.link-list__item {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border: 1px solid rgba(84, 103, 135, 0.1);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;
}

.link-list__item:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.link-list__item--static:hover {
  transform: none;
}

.link-list__address {
  margin: 2px 0 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(81, 102, 132, 0.08);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95rem;
  line-height: 1.5;
  word-break: break-all;
}

.link-list__help {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.link-list__action {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

.link-list__action:hover {
  text-decoration: underline;
}

.guidelines-block__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

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

.status-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(246, 250, 255, 0.92)),
    rgba(255, 255, 255, 0.9);
}

.site-footer {
  padding: 24px 0 36px;
}

.site-footer__shell {
  display: grid;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(252, 248, 244, 0.9)),
    rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.brand__logo--footer {
  width: min(140px, 38vw);
}

.site-footer__brand {
  display: grid;
  gap: 10px;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

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

.site-footer__copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (min-width: 760px) {
  .hero__panel,
  .page-hero__panel {
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
    align-items: center;
    padding: 30px;
  }

  .work-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.96fr);
    align-items: start;
  }

  .about-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  }

  .link-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .recruit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .site-header__utility {
    gap: 10px;
  }

  .lang-switch {
    padding: 8px 10px;
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 16px;
    left: 16px;
    display: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 253, 249, 0.96);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav__link,
  .site-nav__link--cta {
    width: 100%;
  }

  .site-nav__link--cta {
    justify-content: center;
  }

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

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

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