/* 株式会社CRAai – 白文字・黒基調 */
:root {
  --navy: #000;
  --navy-mid: #0a0a0a;
  --navy-light: #141414;
  --bg: #000;
  --bg-elevated: #0a0a0a;
  --surface: #141414;
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.65);
  --accent: #ffffff;
  --accent-dim: rgba(255, 255, 255, 0.9);
  --accent-glow: rgba(255, 255, 255, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --border-soft: 0 1px 0 0 rgba(255, 255, 255, 0.06);
  --shadow-soft: 0 0 24px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.04);
  --radius: 12px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

/* Scroll reveal (表示時にふわっと出現) - 初期表示はすべて見えるように */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-delay-1 { transition-delay: 0.1s; }
.scroll-reveal-delay-2 { transition-delay: 0.2s; }
.scroll-reveal-delay-3 { transition-delay: 0.3s; }
.scroll-reveal-delay-4 { transition-delay: 0.4s; }
.scroll-reveal-delay-5 { transition-delay: 0.5s; }
.scroll-reveal-delay-6 { transition-delay: 0.6s; }

/* バリエーション: 左・右・スケール */
.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.scroll-reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.scroll-reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.scroll-reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* ヒーロー登場アニメ（ページ読み込み時） */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeUpSub {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content .hero-title {
  opacity: 1;
  animation: heroFadeUp 0.45s ease-out forwards;
}

.hero-content .hero-subtitle {
  opacity: 1;
  animation: heroFadeUpSub 0.35s ease-out 0.2s forwards;
}


body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  cursor: none;
  overflow-x: hidden;
}

@media (hover: none) {
  body { cursor: auto; }
  .custom-cursor,
  .custom-cursor-trail { display: none !important; }
}

/* Custom cursor（みやすい・どこでも視認しやすい） */
.custom-cursor {
  position: fixed;
  width: 18px;
  height: 18px;
  left: 0;
  top: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s ease, height 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6);
}
.custom-cursor::before,
.custom-cursor::after {
  content: none;
}

.custom-cursor.is-link {
  width: 24px;
  height: 24px;
  border-width: 2px;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5);
}

.custom-cursor.is-hidden {
  opacity: 0;
  pointer-events: none;
}

/* トレールは非表示（ミニマル化） */
.custom-cursor-trail {
  display: none !important;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: rgba(255, 255, 255, 0.9);
}
a:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.main-wrap img {
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 6px 24px rgba(0, 0, 0, 0.2);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.9rem 1.5rem;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: none;
  box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.04), 0 4px 24px rgba(0, 0, 0, 0.08);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  flex-shrink: 0;
  padding: 0.25rem 0;
  transition: color 0.2s ease, opacity 0.2s ease;
}
.logo:hover {
  color: rgba(255, 255, 255, 0.9);
  opacity: 0.95;
}
.page-home .logo,
.page-home .site-header .logo {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.nav a {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.2s ease;
}
.nav a:hover {
  color: var(--text);
}
.nav a:hover::after {
  width: 100%;
}
.nav .lang-nav {
  position: static;
}
.nav .lang-nav a::after {
  display: none;
}

/* 中〜小画面：ヘッダー・ナビの崩れ防止（半分幅など） */
@media (max-width: 960px) {
  .site-header {
    padding: 0.75rem 1rem;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav {
    flex: 1 1 auto;
    min-width: 0;
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    justify-content: flex-end;
    row-gap: 0.5rem;
  }

  .nav a {
    font-size: 0.85rem;
    white-space: nowrap;
  }

  .lang-nav {
    margin-left: 0;
  }

  .hero-content {
    padding: 0 1rem;
  }

  .section {
    padding: 4rem 0;
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* 言語切り替え（わかりやすく） */
.lang-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 0.75rem;
  padding: 0.4rem 0.65rem;
  background: rgba(255, 255, 255, 0.06);
  border: none;
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 2px 12px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.lang-nav-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-right: 0.15rem;
}

.lang-nav .lang-opt {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: color 0.2s ease, background 0.2s ease;
}

.lang-nav .lang-opt:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
}

.lang-nav .lang-opt.is-current {
  color: var(--accent);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.12), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  cursor: default;
  pointer-events: none;
}

.lang-nav .lang-sep {
  color: rgba(255, 255, 255, 0.15);
  font-size: 0.7rem;
  user-select: none;
}

/* 従来の単体リンク用（lang-nav 未使用ページのフォールバック） */
.lang-switch {
  margin-left: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent) !important;
}
.lang-switch:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent) !important;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 0 0 3rem 0;
  margin-top: 0;
}

.hero-image-wrap {
  position: absolute;
  inset: 0;
}

.hero-slider {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-slide .hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 8px 40px rgba(0, 0, 0, 0.35);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 8px 40px rgba(0, 0, 0, 0.35);
}

.hero-dots {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.15), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.hero-dot:hover {
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.25);
}

.hero-dot.is-active {
  width: 10px;
  height: 10px;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow), 0 0 8px rgba(255, 255, 255, 0.25);
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--bg) 0%,
    transparent 35%,
    transparent 70%,
    rgba(0, 0, 0, 0.5) 100%
  );
  pointer-events: none;
}

/* トップページ：表紙画像をより見せるためオーバーレイを控えめに */
.hero-home .hero-overlay {
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 50%,
    rgba(0, 0, 0, 0.2) 85%,
    rgba(0, 0, 0, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-title {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8), 0 4px 24px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
  margin: 0.5rem 0 0;
  font-size: 1.35rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.8), 0 2px 16px rgba(0, 0, 0, 0.5);
}

.hero-update {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.3;
}

.section-lead {
  margin: 0 0 2rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 42em;
}

.intro {
  background: var(--bg);
}

.intro-notice {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
}

.intro-notice strong {
  color: var(--accent);
}

.lead {
  font-size: 1.1rem;
  color: var(--text);
  margin: 0 0 1.5rem;
  line-height: 1.7;
}

.apply-steps {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
  color: var(--text);
}
.apply-steps li {
  margin-bottom: 0.75rem;
}

.note {
  margin: 1.5rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Project list */
.section-projects {
  background: var(--bg-elevated);
}

/* 横に流れるプロジェクト一覧 */
.project-flow-wrap {
  width: 100%;
  overflow: hidden;
  margin-top: 1.5rem;
  padding: 0.5rem 0;
}

.project-list {
  list-style: none;
  margin: 0;
  padding: 0 1rem;
  display: flex;
  flex-wrap: nowrap;
  gap: 1rem;
  width: max-content;
  animation: projectFlow 25s linear infinite;
}

.project-list:hover {
  animation-play-state: paused;
}

.project-item {
  flex-shrink: 0;
  min-width: 220px;
  max-width: 260px;
  background: var(--surface);
  border: none;
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  font-weight: 500;
  color: var(--text);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05), 0 4px 20px rgba(0, 0, 0, 0.12);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.project-item-icon {
  width: 160px;
  height: 160px;
  object-fit: contain;
  object-position: center;
  display: block;
  flex-shrink: 0;
  background: transparent;
  border-radius: 12px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 4px 20px rgba(0, 0, 0, 0.2);
}

.project-item-name {
  font-size: 0.95rem;
  line-height: 1.3;
  word-break: break-word;
}

.project-item:hover {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2), 0 8px 28px var(--accent-glow), 0 4px 16px rgba(0, 0, 0, 0.3);
  transform: translateY(-3px) scale(1.02);
}

@keyframes projectFlow {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .project-list {
    animation: none;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  .project-flow-wrap {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
}

/* Content image blocks（写真を独立したブロックとして表示） */
.content-img-block {
  margin: 5rem 0;
  padding: 2rem 1.5rem 2.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: none;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 8px 32px rgba(0, 0, 0, 0.15);
  transition: opacity 0.35s ease, transform 0.35s ease, box-shadow 0.2s ease;
}

.section-cta + .content-img-block {
  margin-top: 6rem;
}

.content-img-block.is-visible .content-img {
  transition: transform 0.4s ease;
}

.content-img-block:hover .content-img {
  transform: scale(1.02);
}

.content-img {
  width: 100%;
  max-height: 480px;
  transition: transform 0.3s ease;
  object-fit: cover;
  object-position: center;
  border-radius: 10px;
  border: none;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 8px 32px rgba(0, 0, 0, 0.25);
  display: block;
}

.content-img-caption {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
}

/* Positions */
.positions {
  background: var(--bg-elevated);
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.accordion-item {
  background: var(--surface);
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05), 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.accordion-item:hover {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 4px 20px rgba(0, 0, 0, 0.12);
}

.accordion-item[data-open="true"] {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25), 0 8px 32px var(--accent-glow), 0 4px 16px rgba(0, 0, 0, 0.2);
}

.accordion-item[data-open="true"]:hover {
  box-shadow: 0 0 0 1px var(--accent), 0 12px 40px var(--accent-glow);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}

.accordion-trigger:hover {
  background: rgba(255, 255, 255, 0.04);
}

.accordion-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%238b9cad'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform 0.2s ease;
}

.accordion-item[data-open="true"] .accordion-icon {
  transform: rotate(180deg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23FFD43B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
}

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.accordion-item[data-open="true"] .accordion-panel {
  grid-template-rows: 1fr;
}

.accordion-panel > * {
  overflow: hidden;
}

.accordion-panel .job-content {
  opacity: 0;
  transition: opacity 0.2s ease 0.05s;
}

.accordion-item[data-open="true"] .accordion-panel .job-content {
  opacity: 1;
}

.job-content {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: none;
  box-shadow: 0 -1px 0 0 rgba(255, 255, 255, 0.04);
}

.job-content p {
  margin: 0 0 0.75rem;
}

.job-content p:last-child {
  margin-bottom: 0;
}

.job-content strong {
  color: var(--text);
}

/* Sub-page hero (Blog, News, FAQ, Docs) */
.page-hero {
  padding: 6rem 0 3rem;
  margin-top: 0;
  background: var(--bg-elevated);
  border-bottom: none;
  box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.04), 0 4px 20px rgba(0, 0, 0, 0.06);
}

.page-hero-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.page-hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0;
}

.container-narrow {
  max-width: 720px;
}

/* Blog list */
.blog-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-item {
  margin-bottom: 0;
  border-bottom: none;
  box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.03);
}

.blog-item-link {
  display: block;
  padding: 1.5rem 0;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease;
}

.blog-item-link:hover {
  background: rgba(255, 255, 255, 0.02);
}

.blog-date {
  display: block;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.blog-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.blog-excerpt {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* News list */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.news-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.news-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.news-cat {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  background: var(--surface);
  border-radius: 4px;
  color: var(--accent);
}

.news-title {
  width: 100%;
  font-weight: 500;
  color: var(--text);
}

.news-title:hover {
  color: var(--accent);
}

@media (min-width: 640px) {
  .news-title { width: auto; flex: 1; }
}

/* Docs placeholder */
.docs-placeholder {
  padding: 2rem 0;
  text-align: center;
  color: var(--text-muted);
}

.docs-placeholder p {
  margin: 0 0 0.5rem;
}

/* Blog post */
.blog-post-header {
  margin-bottom: 1.5rem;
}

.blog-back {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.blog-back:hover {
  color: var(--accent);
}

.blog-post-header .blog-date {
  margin-bottom: 0.5rem;
}

.blog-post-body {
  color: var(--text-muted);
  line-height: 1.8;
}

.blog-post-body p {
  margin: 0 0 1rem;
}

/* Legal pages (利用規約・プライバシー) */
.legal-main {
  padding: 6rem 0 4rem;
  min-height: 60vh;
}

.container-legal {
  max-width: 680px;
}

.legal-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.legal-updated {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
}

.legal-section {
  margin-bottom: 2rem;
}

.legal-section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.75rem;
}

.legal-section p,
.legal-section ul {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0 0 0.5rem;
}

.legal-section ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-section li {
  margin-bottom: 0.25rem;
}

.legal-back {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: none;
  box-shadow: 0 -1px 0 0 rgba(255, 255, 255, 0.04);
}

.legal-back a {
  font-weight: 500;
}

/* Footer */
.site-footer {
  padding: 2rem 1.5rem;
  border-top: none;
  box-shadow: 0 -1px 0 0 rgba(255, 255, 255, 0.04), 0 -4px 20px rgba(0, 0, 0, 0.06);
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Napier-style footer */
.site-footer-napier {
  background: var(--navy);
  padding: 0;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.site-footer-napier::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 100%, rgba(0, 0, 0, 0.4) 0%, transparent 50%),
              radial-gradient(ellipse 60% 40% at 20% 80%, rgba(0, 0, 0, 0.3) 0%, transparent 45%),
              radial-gradient(ellipse 50% 30% at 80% 70%, rgba(0, 0, 0, 0.25) 0%, transparent 40%);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: none;
  box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.04), 0 -1px 0 0 rgba(255, 255, 255, 0.02);
}

.footer-brand {
  max-width: 420px;
}

.footer-logo {
  display: inline-block;
  font-weight: 700;
  font-size: 1.5rem;
  color: #fff;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-logo:hover {
  color: var(--accent);
  transform: scale(1.05);
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.btn-footer {
  flex-shrink: 0;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.15);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-footer:hover {
  background: rgba(255, 255, 255, 0.95);
  color: #000;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 1rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: inline-block;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: none;
  box-shadow: 0 -1px 0 0 rgba(255, 255, 255, 0.04);
}

.site-footer-napier .footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal a:hover {
  color: var(--text);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-social a:hover {
  color: var(--accent);
}

/* ========== Homepage ========== */
.page-home .container {
  max-width: 1000px;
}

.hero-home {
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 0;
}

/* 表紙画像を前面に。テキストは中央配置、影で可読性を確保 */
.hero-home .hero-content {
  padding: 1.5rem 2rem;
  max-width: 560px;
  background: transparent;
  border-radius: 0;
  border: none;
  box-shadow: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 768px) {
  .hero-home .hero-content {
    padding: 2rem 2.5rem;
  }
}

.hero-content-center {
  text-align: center;
  align-items: center;
}
.hero-home .hero-content-center {
  text-align: center;
}

.hero-label {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.hero-title-main {
  font-size: clamp(2.75rem, 10vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0;
  color: #fff;
  text-shadow:
    0 0 2px rgba(0, 0, 0, 1),
    0 2px 8px rgba(0, 0, 0, 0.9),
    0 4px 20px rgba(0, 0, 0, 0.7);
}

.hero-home .hero-subtitle {
  margin: 0.75rem 0 0;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-shadow:
    0 0 2px rgba(0, 0, 0, 1),
    0 1px 6px rgba(0, 0, 0, 0.9),
    0 2px 12px rgba(0, 0, 0, 0.6);
}
@media (max-width: 700px) {
  .hero-home .hero-subtitle {
    white-space: normal;
  }
}

/* About */
.section-about {
  background: var(--bg);
}

.about-lead {
  font-size: 1.1rem;
  color: var(--text);
  margin: 0 0 2rem;
  line-height: 1.8;
}

.about-list {
  margin: 0;
  display: grid;
  gap: 0.75rem 2rem;
  grid-template-columns: auto 1fr;
  max-width: 480px;
}

.about-list dt {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.about-list dd {
  margin: 0;
  color: var(--text);
}

/* Services */
.section-services {
  background: var(--bg-elevated);
}

.section-vision {
  background: var(--bg);
}

.vision-statement {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--text);
  max-width: 42em;
}

.vision-sub {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 42em;
}

/* Mission */
.section-mission {
  background: var(--bg-elevated);
}

.mission-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
  max-width: 48em;
}

.mission-item {
  padding-left: 1.5rem;
  border-left: none;
  box-shadow: inset 4px 0 16px -4px rgba(255, 255, 255, 0.08), inset 2px 0 0 0 rgba(255, 255, 255, 0.25);
}

.mission-heading {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}

.mission-context {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.services-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--surface);
  border: none;
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05), 0 4px 24px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2), 0 12px 40px var(--accent-glow), 0 8px 24px rgba(0, 0, 0, 0.25);
  transform: translateY(-6px);
}

.service-card:hover .service-icon {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.25);
}

.service-icon {
  display: inline-block;
  width: 2.5rem;
  height: 2.5rem;
  line-height: 2.5rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #000;
  background: #fff;
  border-radius: 8px;
  margin-bottom: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
}

.service-desc {
  margin: 0;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* CTA */
.section-cta {
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy-light) 100%);
  border-top: none;
  border-bottom: none;
  box-shadow: 0 -1px 0 0 rgba(255, 255, 255, 0.08), 0 1px 0 0 rgba(255, 255, 255, 0.08), 0 0 40px rgba(255, 255, 255, 0.03);
  padding: 5.5rem 0;
}

.cta-inner {
  text-align: center;
  padding: 0 1rem;
}

.cta-title {
  margin: 0 0 1rem;
  font-size: 1.75rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
}

.cta-desc {
  margin: 0 0 2rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 36em;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  border-radius: var(--radius);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--navy);
  border: none;
  text-decoration: none;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.15);
}

.btn:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Contact */
.section-contact {
  background: var(--bg);
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 480px;
}

.contact-email {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.contact-email a {
  font-weight: 500;
  color: var(--accent);
  transition: color 0.2s ease, text-shadow 0.2s ease;
}
.contact-email a:hover {
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.contact-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Distribution (配信) */
.section-distribution {
  background: var(--bg-elevated);
}

.distribution-wrap {
  overflow-x: auto;
  margin-top: 1.5rem;
}

.distribution-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.distribution-table th,
.distribution-table td {
  padding: 0.85rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.distribution-table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.distribution-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.distribution-table td {
  color: var(--text);
  vertical-align: top;
}

.channel-name {
  font-weight: 600;
  color: var(--accent);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--text);
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    min-height: 100vh;
    padding-bottom: 2rem;
  }

  .hero-home {
    min-height: 100vh;
  }

  .site-header {
    padding: 0.6rem 0.75rem;
  }

  .header-inner {
    gap: 0.5rem;
  }

  .nav {
    flex-basis: 100%;
    justify-content: flex-start;
    gap: 0.5rem 0.75rem;
    row-gap: 0.4rem;
  }

  .nav a {
    font-size: 0.8rem;
  }

  .lang-nav {
    padding: 0.25rem 0.5rem;
  }

  .lang-nav .lang-opt {
    font-size: 0.8rem;
  }

  .accordion-trigger {
    padding: 1rem 1rem;
    font-size: 0.95rem;
  }

  .job-content {
    padding: 0 1rem 1rem;
  }

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

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

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  .project-item {
    min-width: 200px;
  }

  .footer-top {
    flex-direction: column;
    margin-bottom: 2rem;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* オープニング画面（Welcomeを押すとメインが開く） */
@keyframes startScreenShine {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}
@keyframes startScreenPulse {
  0%, 100% { box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.4), 0 0 40px rgba(255, 255, 255, 0.15), 0 8px 32px rgba(0, 0, 0, 0.4); }
  50% { box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.5), 0 0 60px rgba(255, 255, 255, 0.2), 0 12px 40px rgba(0, 0, 0, 0.4); }
}
@keyframes startScreenGlow {
  0%, 100% { text-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(255, 255, 255, 0.2), 0 2px 0 rgba(0, 0, 0, 0.3); }
  50% { text-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(255, 255, 255, 0.25), 0 2px 0 rgba(0, 0, 0, 0.3); }
}

.start-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  overflow: hidden;
}

/* Welcome 画面: CRAai + Welcome */
.start-screen-end {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}
.start-screen-end-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 2rem 4rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.start-screen-end .start-screen-logo {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  opacity: 0;
  animation: startRiseUp 0.5s 0.05s ease-out forwards;
}
@keyframes startRiseUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.start-screen-end .start-screen-btn {
  opacity: 0;
  animation: startRiseUp 0.4s 0.2s ease-out forwards;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.start-screen-end .start-screen-btn:hover {
  color: #000;
  background: #fff;
  border-color: #fff;
}

@media (max-width: 640px) {
  .start-screen-end-inner {
    padding: 2rem 1.5rem;
  }
}

.start-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Welcome 押下後：メインが中心から広がって表示 */
.main-wrap {
  transform-origin: center center;
  transform: scale(0.88);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.2, 0.64, 1), opacity 0.35s ease;
}
body.start-done .main-wrap {
  transform: scale(1);
  opacity: 1;
}
.start-screen-btn {
  padding: 0.75rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

/* Welcome ボタン（押すとBGMが流れる） */
.bgm-start-btn {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #000;
  background: #fff;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3), 0 6px 24px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.bgm-start-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5), 0 8px 28px rgba(0, 0, 0, 0.35);
  transform: translateX(-50%) scale(1.05);
}

/* Welcome 押下後 → BGMトグル（右下の小さなボタン） */
.bgm-start-btn.is-started.bgm-toggle {
  bottom: 1.25rem;
  left: auto;
  right: 1.25rem;
  transform: none;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.85);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 4px 16px rgba(0, 0, 0, 0.3);
}
.bgm-start-btn.is-started.bgm-toggle:hover {
  transform: none;
  color: var(--text);
  background: rgba(20, 20, 20, 0.95);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15), 0 4px 20px rgba(0, 0, 0, 0.35);
}

/* BGM toggle 共通 */
.bgm-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.bgm-toggle.is-playing {
  color: var(--accent);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25), 0 0 12px var(--accent-glow);
}
.bgm-icon {
  font-size: 1rem;
  line-height: 1;
}
.bgm-label {
  font-weight: 500;
}