*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: #F5FEFF;  
  color: #000;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.45;
}

a {
  color: #000;
  text-decoration: none;
}

a:hover {
  opacity: 0.5;
}

.desktop {
  width: 100%;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 50px 0;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 57px;
  height: 30px;
  background: transparent;
  flex-shrink: 0;
}

.logo svg,
.logo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

nav {
  display: flex;
  gap: 30px;
}

nav a {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* Back link */
.back-link {
  position: fixed;
  top: 24px;
  left: 50px;
  z-index: 101;

  display: inline-block;
  font-size: 14px;
  line-height: 29px; /* ロゴ高さに合わせる */
  background: #F5FEFF;
}

/* Section layout */
.section {
  padding: 160px 50px 80px;
}

.section h1 {
  font-size: 14px;
  font-weight: 400;
  margin-bottom: 32px;
  text-align: center;
}

/* Article pages */
.article-page {
  padding: 160px 50px 100px;
}

/* Article layout: title → image → text (flex order) */
.article-layout {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

h1.article-title {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: #000;
  margin: 0 0 96px;
  text-align: center;
  order: 1;
}

.article-visual {
  order: 2;
  margin-bottom: 96px;
  text-align: center;
}

.article-visual img {
  display: inline-block;
  max-width: 480px;
  width: 100%;
}

.article-text {
  font-size: 14px;
  line-height: 1.8;
  order: 3;
}

.article-text p {
  margin-bottom: 1.5em;
}

.article-text p:last-child {
  margin-bottom: 0;
}

/* Video embed */
.video-wrap {
  margin-bottom: 1.5em;
}

.video-wrap iframe {
  width: 100%;
  aspect-ratio: 16/9;
  display: block;
  border: none;
}

.section img {
  display: block;
  max-width: 100%;
  margin-bottom: 32px;
}

.section p {
  max-width: 680px;
  margin-bottom: 1.5em;
}

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

.section a.external {
  word-break: break-all;
}

/* News list */
.news-list {
  padding: 160px 50px 80px;
}

.news-item {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  margin-bottom: 24px;
}

.news-date,
.news-subtitle,
.news-title {
  display: block;
  line-height: 1.45;
}

.news-date {
  font-size: 16px;
  letter-spacing: 0.05em;
}

/* Archive */
.archive-grid {
  padding: 160px 50px 80px;
  display: grid;
  grid-template-columns: 155px 280px 1fr;
  align-items: start;
}

.archive-col-header {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  line-height: 1.45;
  margin-bottom: 24px;
}

/* 列名（GoodNews / MUSIC / SPACE） */
.archive-col-header span:first-child {
  font-size: 16px;
  letter-spacing: 0.05em;
}

.archive-list {
  list-style: none;
}

.archive-item {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  line-height: 1.45;
  margin-bottom: 24px;
}

.archive-item:last-child {
  margin-bottom: 0;
}

.archive-item a {
  display: flex;
  flex-direction: column;
}

.archive-catalog {
  display: block;
}

/* SPACE list */
.space-list {
  padding: 160px 50px 80px;
}

.space-list a {
  display: block;
  font-size: 16px;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

/* SNS */
.sns {
  margin-top: 24px;
}

.sns p {
  margin-bottom: 4px;
}

/* Music link */
.music-link {
  display: inline-block;
  margin-top: 24px;
  font-size: 14px;
  word-break: break-all;
}

/* Article text inline links */
.article-text .music-link,
.article-text a.external {
  display: inline-block;
  margin-top: 24px;
  word-break: break-all;
}

.article-text .sns {
  margin-top: 24px;
}

.article-text .sns p {
  margin-bottom: 4px;
}

/* cue page */
.cue-images {
  padding: 160px 50px 80px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
}

.cue-images img {
  width: 280px;
  height: 280px;
  object-fit: cover;
  display: block;
}

/* cue ページ用ロゴ */
.cue-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 30px;
  background: #F5FEFF;
  flex-shrink: 0;
  overflow: hidden;
}

.cue-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cl-icon {
  width: 55px;
  height: 38px;
  background: #F5FEFF;
  border: 1px solid #000;
}

/* ─── Hamburger menu ─────────────────────────────── */

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  width: 24px;
  height: 16px;
  flex-shrink: 0;
}

.menu-toggle span {
  position: absolute;
  left: 0;
  width: 24px;
  height: 1px;
  background: #000;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 8px; }
.menu-toggle span:nth-child(3) { top: 16px; }

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ─── Responsive ─────────────────────────────────── */

@media (max-width: 768px) {
  header {
    padding: 16px 28px 0;
    align-items: center;
  }

  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
  }

  body {
    font-size: 14px;
  }

  /* gnws sub-page overrides */
  body .gnws-header { flex-direction: column; align-items: center; }
  body .gnws-meta,
  body .gnws-header > div { order: 1; }
  body .gnws-artwork { order: 2; width: 100%; max-width: 300px; }
  body .gnws-title { font-size: 16px; text-align: center; }
  body .gnws-info { font-size: 13px; text-align: center; }
  body .gnws-description,
  body .gnws-description p { font-size: 13px; line-height: 1.9; }
  body .gnws-notice,
  body .gnws-notice p { font-size: 12px; line-height: 1.85; }
  body .gnws-links { font-size: 13px; line-height: 1.8; }

  /* vol sub-page overrides */
  body .vol-title { font-size: 16px; }
  body .vol-theme { font-size: 13px; }
  body .vol-artist-name,
  body .vol-work-title { font-size: 13px; line-height: 1.8; }
  body .vol-text,
  body .vol-entry,
  body .vol-link { font-size: 12px; line-height: 1.85; }

  .back-link {
    left: 28px;
    top: 20px;
  }

  .section {
    padding: 110px 28px 72px;
  }

  .article-page {
    padding: 110px 28px 72px;
  }

  .article-layout {
    max-width: 100%;
  }

  h1.article-title {
    font-size: 20px;
    margin-bottom: 64px;
  }

  .article-visual {
    margin-bottom: 64px;
  }

  .article-visual img {
    max-width: 390px;
  }

  .article-text {
    font-size: 13px;
    line-height: 1.8;
  }

  .news-list {
    padding: 110px 28px 72px;
  }

  .news-item {
    font-size: 13px;
    line-height: 1.8;
  }

  .news-date {
    font-size: 15px;
  }

  .archive-grid {
    padding: 110px 28px 72px;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .archive-col {
    margin-bottom: 40px;
  }

  .archive-col:last-child {
    margin-bottom: 0;
  }

  .archive-col-header {
    font-size: 13px;
    margin-bottom: 8px;
  }

  .archive-col-header span:first-child {
    font-size: 15px;
  }

  .archive-item {
    font-size: 13px;
    line-height: 1.8;
  }

  .space-list {
    padding: 110px 28px 72px;
  }

  .space-list a {
    font-size: 15px;
  }

  .cue-images {
    padding: 110px 28px 72px;
    flex-direction: column;
  }

  .cue-images img {
    width: 100%;
    height: auto;
  }

}

@media (max-width: 480px) {
  header {
    padding: 14px 24px 0;
  }

  nav {
    gap: 12px;
  }

  .logo {
    width: 46px;
    height: 24px;
  }

  .back-link {
    left: 24px;
    top: 14px;
  }

  .section {
    padding: 100px 24px 60px;
  }

  .article-page {
    padding: 100px 24px 60px;
  }

  .news-list {
    padding: 100px 24px 60px;
  }

  .archive-grid {
    padding: 100px 24px 60px;
  }

  .space-list {
    padding: 100px 24px 60px;
  }

  .cue-images {
    padding: 100px 24px 60px;
  }
}

/* ─── Site map ───────────────────────────────────── */

/* 画面全体のぼかしレイヤー（ヘッダーより下）。PCは青丸、モバイルはメニューで開く */
#site-map {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: rgba(245, 254, 255, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
  overflow: hidden;
}

body.map-open #site-map,
body.nav-open #site-map {
  display: block;
}

.sm-trigger {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.sm-trigger::before {
  content: '';
  display: block;
  width: 20px;
  height: 20px;
  margin: auto;
  border-radius: 50%;
  background: #0000FF;
}

.sm-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.sm-label {
  display: none;
}

@media (max-width: 768px) {
  .sm-trigger {
    display: none;
  }

  body.nav-open .sm-label {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 32px;
    height: 32px;
    font-size: 20px;
  }

  /* 「T」を押した状態: カラー丸を隠し、テキストメニューと青丸を表示 */
  body.map-menu .sm-dot {
    display: none;
  }

  body.nav-open.map-menu .sm-label {
    font-size: 0;
  }

  body.nav-open.map-menu .sm-label::before {
    content: '';
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #0000FF;
  }

  body.nav-open.map-menu #site-map {
    cursor: default;
  }

  body.nav-open.map-menu nav {
    display: flex;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  body.nav-open.map-menu nav a {
    font-size: 20px;
    letter-spacing: 0.05em;
  }
}