:root {
  /* =========================
     Theme - normal
  ========================= */

  /* Brand / Accent */
  --color-brand: #02b9a5;
  --color-brand-soft: #ecfff3;
  --color-brand-border: #bdebcf;
  --color-accent: #00b7c2;
  --color-accent-text: #1b6b3a;

  /* Page / Surface */
  --color-page-bg: #f6f6f6;
  --color-surface: #ffffff;
  --color-surface-soft: #f2f2f2;
  --color-surface-accent: #f4fffc;
  --color-surface-danger: #fff0f0;
  --color-surface-media: #eaeaea;

  /* Text */
  --color-text: #222;
  --color-text-sub: #333;
  --color-text-muted: #666;
  --color-text-description: #555;
  --color-text-inverse: #ffffff;

  /* Link */
  --color-link: #5ea999;
  --color-link-hover: #4d8f81;

  /* Border */
  --color-border: #ddd;
  --color-border-soft: #d9d9d9;
  --color-border-light: #eee;
  --color-border-accent: #d7efe8;

  /* Button */
  --color-button-gray-bg: #e5e7eb;
  --color-button-gray-text: #6b7280;

  /* Status */
  --color-danger: #b00020;

  /* Overlay */
  --color-overlay: rgba(0, 0, 0, 0.42);
  --color-transparent: transparent;

  /* Shadow */
  --shadow-card: 0 4px 14px rgba(0, 0, 0, 0.06);
  --shadow-card-soft: 0 4px 14px rgba(0, 0, 0, 0.04);
  --shadow-card-strong: 0 4px 14px rgba(0, 0, 0, 0.241);
  --shadow-modal: 0 10px 32px rgba(0, 0, 0, 0.22);

  /* Radius */
  --radius-card: 16px;
  --radius-button: 999px;
}

/* =========================
   Theme - red
========================= */
:root[data-theme="red"] {
  --color-brand: #ef4444;
  --color-brand-soft: #fff1f2;
  --color-brand-border: #fecdd3;
  --color-accent: #f43f5e;
  --color-accent-text: #991b1b;

  

  --color-link: #dc2626;
  --color-link-hover: #b91c1c;

  --color-surface-accent: #fff1f2;
  --color-border-accent: #fecdd3;
}

/* =========================
   Theme - purple
========================= */
:root[data-theme="purple"] {
  --color-brand: #8b5cf6;
  --color-brand-soft: #f5f3ff;
  --color-brand-border: #ddd6fe;
  --color-accent: #a78bfa;
  --color-accent-text: #5b21b6;

  --color-link: #7c3aed;
  --color-link-hover: #6d28d9;

  --color-surface-accent: #f5f3ff;
  --color-border-accent: #ddd6fe;
}

/* =========================
   Theme - green
========================= */
:root[data-theme="green"] {
  --color-brand: #22c55e;
  --color-brand-soft: #f0fdf4;
  --color-brand-border: #bbf7d0;
  --color-accent: #16a34a;
  --color-accent-text: #166534;

  --color-link: #16a34a;
  --color-link-hover: #15803d;

  --color-surface-accent: #f0fdf4;
  --color-border-accent: #bbf7d0;
}

/* =========================
   Theme - sky
========================= */
:root[data-theme="sky"] {
  --color-brand: #38bdf8;
  --color-brand-soft: #f0f9ff;
  --color-brand-border: #bae6fd;
  --color-accent: #0ea5e9;
  --color-accent-text: #075985;

  --color-link: #0284c7;
  --color-link-hover: #0369a1;

  --color-surface-accent: #f0f9ff;
  --color-border-accent: #bae6fd;
}

/* =========================
   Theme - lime
========================= */
:root[data-theme="lime"] {
  --color-brand: #84cc16;
  --color-brand-soft: #f7fee7;
  --color-brand-border: #d9f99d;
  --color-accent: #65a30d;
  --color-accent-text: #365314;

  --color-link: #65a30d;
  --color-link-hover: #4d7c0f;

  --color-surface-accent: #f7fee7;
  --color-border-accent: #d9f99d;
}

/* =========================
   Theme - pink
========================= */
:root[data-theme="pink"] {
  --color-brand: #f472b6;
  --color-brand-soft: #fff0f7;
  --color-brand-border: #f9c5df;
  --color-accent: #fb7185;
  --color-accent-text: #9d174d;

  --color-link: #db2777;
  --color-link-hover: #be185d;

  --color-surface-accent: #fff5f9;
  --color-border-accent: #f9c5df;
}

/* =========================
   Theme - yellow
========================= */
:root[data-theme="yellow"] {
  --color-brand: #ffde22;
  --color-brand-soft: #fefce8;
  --color-brand-border: #fde68a;
  --color-accent: #eab308;
  --color-accent-text: #713f12;

  --color-link: #ca8a04;
  --color-link-hover: #a16207;

  --color-surface-accent: #fefce8;
  --color-border-accent: #fde68a;
}

/* =========================
   Theme - white
========================= */
:root[data-theme="white"] {
  --color-brand: #111827;
  --color-brand-soft: #ffffff;
  --color-brand-border: #111827;
  --color-accent: #111827;
  --color-accent-text: #111827;

  --color-page-bg: #f6f6f6;
  --color-surface: #ffffff;

  --color-text: #111827;
  --color-text-sub: #111827;
  --color-text-muted: #4b5563;
  --color-text-description: #374151;

  --color-link: #111827;
  --color-link-hover: #000000;

  --color-border: #111827;
  --color-border-soft: #111827;
  --color-border-light: #d1d5db;
  --color-border-accent: #111827;

  --shadow-card: none;
  --shadow-card-soft: none;
  --shadow-card-strong: none;
}

/*******************/
/*共通設定 - 画面*/
/*******************/
* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-page-bg);
  color: var(--color-text);
}

.app {
  width: min(100%, 720px);
  height: 100dvh;
  margin: 0 auto;
  padding: 18px 0px;
  overflow: hidden;
}

/*タイトル表示*/
.header {
  flex-shrink: 0;
  margin-bottom: 14px;
}

/*メインコンテンツ表示*/
.step-screen {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0 20px;
}

/*******************/
/*共通設定 - パーツ*/
/*******************/
h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.4;
}

.description {
  margin: 10px 0 0;
  color: var(--color-text-description);
  line-height: 1.7;
}

.selected-area,
.task-card {
  flex-shrink: 0;
  margin: 0 0 14px;
  padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.selected-label {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.selected-song {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 700;
}

.scroll-area {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  margin: 0 -10px;
  padding: 2px 8px 24px 8px;
}

.song-section {
  margin-top: 18px;
}

.song-section:first-child {
  margin-top: 0;
}

.song-section:last-child {
  margin-bottom: 18px;
}

.song-section h2,
.youtube-section h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

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

.song-button {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 16px;
  text-align: left;
  cursor: pointer;
}

.song-button.selected {
  border-color: var(--color-brand);
  background: var(--color-brand-soft);
  font-weight: 700;
}

.primary-button,
.secondary-button,
.gray-button {
  width: 100%;
  margin-top: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-button);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.primary-button {
  border: none;
  background: var(--color-brand);
  color: var(--color-text-inverse);
}

.secondary-button {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.gray-button {
  border: 1px solid var(--color-border);
  background: var(--color-button-gray-bg);
  color: var(--color-button-gray-text);
}

.gray-button:active {
  transform: scale(0.98);
}

.gray-button:disabled {
  opacity: 0.7;
}

.no-margin-button {
  margin-top: 0;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.compact-button {
  margin-top: 0;
  border-radius: 14px;
}

.accordion-button {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.accordion-content {
  margin-top: 12px;
}

.check-control-area {
  margin: 0 0 14px;
  padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

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

.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  cursor: pointer;
}

.check-item input {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.check-item-name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.bottom-action-area {
  margin: 14px 0 20px;
  padding: 10px 16px 16px 16px;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.spotify-skip-area {
  margin-bottom: 18px;
}

.group-label {
  margin: 0 0 8px;
  color: var(--color-brand);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.task-title {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.4;
}

.notice-box {
  margin: 0 0 14px;
  padding: 14px;
  border-radius: 12px;
  background: var(--color-page-bg);
  color: var(--color-text-sub);
  line-height: 1.7;
  white-space: pre-wrap;
  font-weight: 600;
}

.copy-area {
  margin: 0 0 14px;
  padding: 14px;
  border-radius: 12px;
  background: var(--color-brand-soft);
  border: 1px solid var(--color-brand-border);
}

.copy-text {
  margin: 0 0 12px;
  padding: 12px;
  border-radius: 10px;
  background: var(--color-page-bg);
  color: var(--color-text);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.post-preview-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 8px 0 12px;
  padding: 4px;
  border-radius: var(--radius-button);
  background: var(--color-page-bg);
}

.post-preview-tab {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-transparent);
  border-radius: var(--radius-button);
  background: var(--color-transparent);
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.post-preview-tab.active {
  border-color: var(--color-brand);
  background: var(--color-surface);
  color: var(--color-brand);
  box-shadow: var(--shadow-card);
}

.post-preview-panel {
  margin-top: 8px;
}

.post-item-list {
  margin-bottom: 24px;
}

.post-check-card {
  margin-top: 0;
  margin-bottom: 24px;
}

.post-action-button {
  margin-top: 18px;
}

.youtube-section {
  margin-top: 22px;
}

.youtube-section:first-child {
  margin-top: 0;
}

.youtube-card-row {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 2px 0 12px;
  -webkit-overflow-scrolling: touch;
}

.youtube-card {
  min-width: 180px;
  max-width: 180px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-page-bg);
  overflow: hidden;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: var(--shadow-card-soft);
}

.youtube-thumbnail {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: var(--color-surface-media);
}

.youtube-text-card {
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand-soft);
  color: var(--color-accent-text);
  font-weight: 700;
  text-align: center;
  line-height: 1.5;
}

.youtube-card-name {
  margin: 0;
  padding: 10px 12px 12px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-text);
}

#homeStep {
  overflow-y: scroll;
}

.home-header {
  flex-shrink: 0;
  min-height: 20%;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-logo-area {
  width: 100%;
  text-align: center;
}

.home-logo-area h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.25;
}

.home-logo-area img {
  height: 120px;
  display: block;
  margin: 0 auto;
}
.home-color-change-area{
  text-align: center;
  margin-bottom: 3.5rem;
}
.home-card {
  flex-shrink: 0;
  margin: 0 0 12px;
  padding: 14px 16px;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.home-card h2 {
  flex-shrink: 0;
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 800;
}

.ruby-h rt {
  color: var(--color-accent);
  padding-bottom: 0.3rem;
  letter-spacing: 0.18rem;
}

.home-action-area {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  padding: 14px 16px 16px;
  background: var(--color-transparent);
  border-radius: var(--radius-card);
}

.home-action-area button {
  box-shadow: var(--shadow-card-strong);
}

.home-now-request-area {
  height: auto;
}

.home-information-area {
  height: auto;
}

.home-button-area {
  height: 3rem;
  background-color: var(--color-transparent);
  box-shadow: none;
}

.home-list-box {
  flex: 1;
  min-height: 3rem;
  max-height: none;
  padding: 12px;
  background: var(--color-page-bg);
  border: 1px solid var(--color-border-soft);
  border-radius: 14px;
}

.home-list-item,
.home-list-link {
  display: block;
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.home-list-link {
  text-decoration: underline;
}

.home-list-item:last-child,
.home-list-link:last-child {
  margin-bottom: 0;
}

.text-link-button {
  display: block;
  width: fit-content;
  margin: 12px auto 0;
  padding: 4px 8px;
  border: none;
  background: var(--color-transparent);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  padding: 20px;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  width: min(100%, 520px);
  max-height: min(80dvh, 640px);
  background: var(--color-page-bg);
  border-radius: 18px;
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  flex-shrink: 0;
  padding: 16px 16px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.modal-header h2 {
  margin: 0;
  font-size: 20px;
}

.modal-close-button {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-button);
  background: var(--color-surface-soft);
  color: var(--color-text);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.modal-body {
  overflow-y: auto;
  padding: 16px;
  -webkit-overflow-scrolling: touch;
}

.how-to-section {
  margin-bottom: 18px;
}

.how-to-section h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.how-to-section ol {
  margin: 0;
  padding-left: 1.4em;
  line-height: 1.8;
}

.modal-note {
  margin: 10px 0 0;
  padding: 12px;
  border-radius: 12px;
  background: var(--color-page-bg);
  color: var(--color-text-description);
  font-size: 13px;
  line-height: 1.7;
}


.feedback-card {
  margin-top: 16px;
}

.feedback-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-description);
}

.feedback-link-button {
  display: block;
  text-align: center;
  text-decoration: none;
}

.error-area {
  flex-shrink: 0;
  margin: 0 0 14px;
  padding: 14px;
  border-radius: 12px;
  background: var(--color-surface-danger);
  color: var(--color-danger);
  line-height: 1.6;
}

.back-step-button {
  flex-shrink: 0;
  width: fit-content;
  margin: 0 0 10px;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-page-bg);
  color: var(--color-text-sub);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-card);
}

.empty-text {
  margin: 0;
  padding: 12px;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-radius: 12px;
}

.warning-text {
  color: var(--color-danger);
  font-weight: 700;
}

.step-top-action-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding: 0 8px;
}

.back-step-button,
.step-usage-button {
  width: fit-content;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-page-bg);
  color: var(--color-text-sub);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-card);

  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.step-usage-button {
  margin-left: auto;
  border: none;
  background: var(--color-transparent);
  box-shadow: none;
  color: var(--color-text-muted);
  padding: 6px 4px;
}

.text-link-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 12px auto 0;
}

.text-link-button {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.modal-header h2 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.home-install-guide-area {
  text-align: left;
  background: var(--color-surface-accent);
  border: 1px solid var(--color-border-accent);
}

.request-ranking-heading {
  padding-left: 10px;
  border-left: 4px solid var(--color-brand);
}

.request-ranking-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

#home-top-share-btn-wrap{
  display:flex;
  justify-content: end;
}
#home-top-share-btn-wrap button{
  color:#666;
  font-size:22px;
      background-color: transparent;
    border: none;
}

.home-install-text {
  margin: 0 0 8px;
  line-height: 1.7;
}

.home-install-link {
  padding: 0;
  font-weight: 700;
  color: var(--color-link);
}

.home-install-link:hover {
  color: var(--color-link-hover);
}
.spotify-listener-count {
  white-space: pre-line;
}
.request-ranking-card {
  flex-shrink: 0;
  margin: 0 0 12px;
  padding: 14px 16px;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.request-ranking-area {
  display: grid;
  gap: 10px;
}

.request-ranking-content {
  display: grid;
  gap: 12px;
}

.request-ranking-block {
  display: grid;
  gap: 8px;
}

.request-ranking-title {
  margin: 0 0 2px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

.request-ranking-main,
.request-ranking-extra {
  display: grid;
  gap: 8px;
}

.request-ranking-extra {
  display: none;
}

.request-ranking-content[data-expanded="true"] .request-ranking-extra {
  display: grid;
}

.request-ranking-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border: 1px solid var(--color-border-soft);
  border-radius: 14px;
  background: var(--color-page-bg);
  color: var(--color-text);
  text-decoration: none;
}

.request-ranking-rank {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 1.8em;
  height: 1.8em;
  border-radius: var(--radius-button);
  background: var(--color-brand-soft);
  border: 1px solid var(--color-brand-border);
  color: var(--color-brand);
  font-size: 0.82rem;
  font-weight: 800;
}

.request-ranking-song {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.request-ranking-song-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-text);
}

.request-ranking-song-count {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.request-ranking-toggle {
  width: 100%;
  margin-top: 2px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.request-ranking-toggle:active {
  transform: scale(0.98);
}

.request-ranking-loading,
.request-ranking-empty {
  margin: 0;
  padding: 12px;
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
}
.usen-ranking-info {
  margin-top: 10px;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
}

.usen-ranking-line,
.usen-ranking-song {
  display: block;
}

.usen-ranking-song {
  color: var(--color-brand);
}

/* =========================
   Share Image Modal - Theme Buttons
========================= */
.share-image-theme-row {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  background-color:#fcfcfc;
  gap: 8px;
  margin: 0 0 14px;
  padding: 4px 2px 12px;
  overflow-x: scroll;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;

  /* Firefox */
  scrollbar-width: auto;
  scrollbar-color: var(--color-brand) var(--color-surface-soft);
}

/* Chrome / Edge / Safari */
.share-image-theme-row::-webkit-scrollbar {
  height: 8px;
}

.share-image-theme-row::-webkit-scrollbar-track {
  border-radius: 999px;
  background: var(--color-surface-soft);
}

.share-image-theme-row::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: var(--color-brand);
}

.share-image-theme-row::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

.share-image-theme-button {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.share-image-theme-chip {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--share-image-theme-soft);
  border: 1px solid var(--share-image-theme-border);
  box-shadow: var(--shadow-card-soft);
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    border-color 0.16s ease,
    background-color 0.16s ease;
}

.share-image-theme-icon {
  color: var(--share-image-theme-color);
  font-size: 17px;
  line-height: 1;
  transform: translateY(1px);
}

.share-image-theme-button:hover .share-image-theme-chip {
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.share-image-theme-button:active .share-image-theme-chip {
  transform: scale(0.94);
}

.share-image-theme-button:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

.share-image-theme-button.is-selected .share-image-theme-chip {
  border-color: var(--share-image-theme-color);
  box-shadow:
    0 0 0 3px var(--share-image-theme-border),
    var(--shadow-card);
}

/* カラー定義 */
.share-image-theme-button-red {
  --share-image-theme-color: #ef4444;
  --share-image-theme-soft: #fff1f2;
  --share-image-theme-border: #fecdd3;
}

.share-image-theme-button-purple {
  --share-image-theme-color: #8b5cf6;
  --share-image-theme-soft: #f5f3ff;
  --share-image-theme-border: #ddd6fe;
}

.share-image-theme-button-green {
  --share-image-theme-color: #22c55e;
  --share-image-theme-soft: #f0fdf4;
  --share-image-theme-border: #bbf7d0;
}

.share-image-theme-button-blue {
  --share-image-theme-color: #38bdf8;
  --share-image-theme-soft: #f0f9ff;
  --share-image-theme-border: #bae6fd;
}

.share-image-theme-button-lime {
  --share-image-theme-color: #84cc16;
  --share-image-theme-soft: #f7fee7;
  --share-image-theme-border: #d9f99d;
}

.share-image-theme-button-pink {
  --share-image-theme-color: #f472b6;
  --share-image-theme-soft: #fff0f7;
  --share-image-theme-border: #f9c5df;
}

.share-image-theme-button-yellow {
  --share-image-theme-color: #eab308;
  --share-image-theme-soft: #fefce8;
  --share-image-theme-border: #fde68a;
}

.share-image-theme-button-white {
  --share-image-theme-color: #ffffff;
  --share-image-theme-soft: #d7d7d7;
  --share-image-theme-border: #9ca3af;
}

.share-image-theme-button-normal {
  --share-image-theme-color: #02b9a5;
  --share-image-theme-soft: #ecfff3;
  --share-image-theme-border: #bdebcf;
}

.share-image-theme-button-normal .share-image-theme-icon {
  font-size: 15px;
  transform: translateY(0);
}

.share-image-canvas-wrap{
  text-align:center;
  max-width:100%;
}
#shareImageCanvas{
   width:100%;
  max-width:100%;
  height:auto!important;
}
/* =========================
   Theme modal
========================= */
.theme-modal-content {
  width: min(100%, 430px);
}

.theme-modal-description {
  margin: 0 0 18px;
  color: var(--color-text-description);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.7;
}

.theme-heart-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.theme-heart-button {
  position: relative;
  min-height: 106px;
  padding: 12px 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background:
    linear-gradient(
      180deg,
      var(--color-surface) 0%,
      var(--color-page-bg) 100%
    );
  color: var(--theme-preview-color, var(--color-brand));
  cursor: pointer;
  font: inherit;
  box-shadow: var(--shadow-card-soft);
  overflow: hidden;

  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
}

.theme-heart-button::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 18px;
  background: var(--theme-preview-bg, var(--color-brand-soft));
  opacity: 0.7;
  z-index: 0;
}

.theme-heart-button::after {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--theme-preview-color, var(--color-brand));
  opacity: 0.75;
  z-index: 1;
}

.theme-heart-button:active {
  transform: scale(0.97);
}

.theme-heart-button.active {
  border-color: var(--color-brand);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.theme-heart-button.active::before {
  opacity: 1;
}

.theme-heart-chip {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--theme-preview-border, var(--color-brand-border));
  color: var(--theme-preview-color, var(--color-brand));
  box-shadow: var(--shadow-card-soft);

  display: inline-grid;
  place-items: center;
}

.theme-heart-icon {
  font-size: 24px;
  line-height: 1;
}

.theme-heart-label {
  position: relative;
  z-index: 1;
  color: var(--color-text);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
}

.theme-heart-button.active .theme-heart-label {
  color: var(--color-brand);
}

/* 赤 */
.theme-heart-button[data-theme-button="red"] {
  --theme-preview-color: #ef4444;
  --theme-preview-bg: #fff1f2;
  --theme-preview-border: #fecdd3;
}

/* 紫 */
.theme-heart-button[data-theme-button="purple"] {
  --theme-preview-color: #8b5cf6;
  --theme-preview-bg: #f5f3ff;
  --theme-preview-border: #ddd6fe;
}

/* 緑 */
.theme-heart-button[data-theme-button="green"] {
  --theme-preview-color: #22c55e;
  --theme-preview-bg: #f0fdf4;
  --theme-preview-border: #bbf7d0;
}

/* 水色 */
.theme-heart-button[data-theme-button="sky"] {
  --theme-preview-color: #38bdf8;
  --theme-preview-bg: #f0f9ff;
  --theme-preview-border: #bae6fd;
}

/* 黄緑 */
.theme-heart-button[data-theme-button="lime"] {
  --theme-preview-color: #84cc16;
  --theme-preview-bg: #f7fee7;
  --theme-preview-border: #d9f99d;
}

/* ピンク */
.theme-heart-button[data-theme-button="pink"] {
  --theme-preview-color: #f472b6;
  --theme-preview-bg: #fff0f7;
  --theme-preview-border: #f9c5df;
}

/* 黄色 */
.theme-heart-button[data-theme-button="yellow"] {
  --theme-preview-color: #facc15;
  --theme-preview-bg: #fefce8;
  --theme-preview-border: #fde68a;
}

/* 白 */
.theme-heart-button[data-theme-button="white"] {
  --theme-preview-color: #ffffff;
  --theme-preview-bg: #e5e7eb;
  --theme-preview-border: #d1d5db;
}

/* ハワイ / normal */
.theme-heart-button[data-theme-button="normal"] {
  --theme-preview-color: #02b9a5;
  --theme-preview-bg: #ecfff3;
  --theme-preview-border: #bdebcf;
}

.theme-heart-button-hawaii .theme-heart-chip {
  background:
    radial-gradient(circle at 30% 25%, #fff7ed 0 26%, transparent 27%),
    radial-gradient(circle at 70% 30%, #ecfff3 0 28%, transparent 29%),
    linear-gradient(135deg, #fef3c7 0%, #ecfff3 46%, #e0f2fe 100%);
}

.theme-heart-button-hawaii .theme-heart-icon {
  font-size: 25px;
}

/* white theme adjustment */
:root[data-theme="white"] .theme-heart-button {
  border-color: #e5e7eb;
  background:
    linear-gradient(
      180deg,
      #ffffff 0%,
      #f6f6f6 100%
    );
  box-shadow: none;
}

:root[data-theme="white"] .theme-heart-button[data-theme-button="white"]::before {
  background: #ffffff;
}
.theme-heart-button[data-theme-button="white"]::before {
  background: #ffffff;
}

:root[data-theme="white"] .theme-heart-chip {
  background: #ffffff;
  border-color: var(--theme-preview-border, #e5e7eb);
  color: var(--theme-preview-color, #111827);
}

:root[data-theme="white"] .theme-heart-label {
  color: #111827;
}

/* 白テーマ選択ボタンだけ：薄いグレー丸 + 白ハート */
:root[data-theme="white"] .theme-heart-button[data-theme-button="white"] .theme-heart-chip {
  background: #e5e7eb;
  border-color: #d1d5db;
  color: #ffffff;
}
.theme-heart-button[data-theme-button="white"] .theme-heart-chip {
  background: #e5e7eb;
  border-color: #d1d5db;
  color: #ffffff;
}

:root[data-theme="white"] .theme-heart-button[data-theme-button="white"] .theme-heart-label {
  color: #111827;
}

/* 選択中 */
:root[data-theme="white"] .theme-heart-button.active {
  border-color: #9ca3af;
  background: #ffffff;
}

:root[data-theme="white"] .theme-heart-button.active .theme-heart-chip {
  border-color: var(--theme-preview-border, #9ca3af);
}

:root[data-theme="white"] .theme-heart-button.active .theme-heart-label {
  color: #111827;
}
/* =========================
   White theme adjustment
========================= */
:root[data-theme="white"] .post-preview-tab.active,
:root[data-theme="white"] .primary-button {
  border: 1px solid var(--color-brand);
  background: var(--color-brand);
  color: var(--color-text-inverse);
}

:root[data-theme="white"] .selected-area,
:root[data-theme="white"] .task-card,
:root[data-theme="white"] .check-control-area,
:root[data-theme="white"] .bottom-action-area,
:root[data-theme="white"] .home-card,
:root[data-theme="white"] .request-ranking-card {
  border: 1px solid var(--color-border);
}

:root[data-theme="white"] .home-list-box,
:root[data-theme="white"] .request-ranking-item,
:root[data-theme="white"] .song-6f6f6button,
:root[data-theme="white"] .accordion-button,
:root[data-theme="white"] .check-item,
:root[data-theme="white"] .youtube-card {
  border-color: var(--color-border);
}

:root[data-theme="white"] .song-button.selected,
:root[data-theme="white"] .theme-button.active,
:root[data-theme="white"] .request-ranking-rank {
  border-color: var(--color-brand);
  background: var(--color-surface);
  color: var(--color-brand);
}
:root[data-theme="white"] .post-preview-tabs {
  background: var(--color-page-bg);
}

.hidden {
  display: none;
}