:root {
  color-scheme: light;
  --page-bg: linear-gradient(180deg, #f6f9fc 0%, #edf3f8 100%);
  --card-bg: rgba(255, 255, 255, 0.96);
  --card-border: rgba(214, 224, 236, 0.92);
  --text-main: #1e293b;
  --text-sub: #64748b;
  --text-soft: #94a3b8;
  --accent: #3b82f6;
  --accent-strong: #2563eb;
  --accent-soft: rgba(59, 130, 246, 0.1);
  --success: #0f766e;
  --warning: #b45309;
  --danger: #b91c1c;
  --x-bg: #101827;
  --fb-bg: #ffffff;
  --line-bg: #ffffff;
  --linkedin-bg: #ffffff;
  --shadow-large: 0 24px 60px rgba(148, 163, 184, 0.18);
  --shadow-small: 0 12px 30px rgba(148, 163, 184, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --content-width: min(1160px, calc(100% - 32px));
  --font-x:
    "Segoe UI",
    "Helvetica Neue",
    Arial,
    "Hiragino Sans",
    "Yu Gothic",
    sans-serif;
  --font-facebook:
    Helvetica,
    Arial,
    "Hiragino Sans",
    "Yu Gothic",
    sans-serif;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--page-bg);
  color: var(--text-main);
  font-family:
    "Hiragino Sans",
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    ui-sans-serif,
    system-ui,
    sans-serif;
  line-height: 1.6;
}

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

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

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero {
  width: var(--content-width);
  margin: 0 auto;
  padding: 48px 0 32px;
  text-align: center;
  position: relative;
}

.hero-kicker,
.section-label {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.tool-card h2,
.info-card h2,
.detail-card h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
}

.hero-copy {
  width: min(700px, 100%);
  margin: 18px auto 0;
  color: var(--text-sub);
  font-size: 1rem;
}

.main-content {
  width: var(--content-width);
  margin: 0 auto;
  padding-bottom: 48px;
  flex: 1;
}

.tool-card,
.info-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-large);
  backdrop-filter: blur(18px);
}

.tool-card {
  padding: 32px;
}

.info-card h2 {
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  font-weight: 700;
  line-height: 1.45;
  color: #334155;
}

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

.action-button {
  appearance: none;
  border: 1px solid rgba(214, 224, 236, 0.95);
  border-radius: 999px;
  background: #fff;
  color: var(--text-main);
  cursor: pointer;
  font-weight: 700;
  padding: 11px 18px;
  box-shadow: 0 8px 20px rgba(148, 163, 184, 0.12);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease;
}

.action-button:hover {
  transform: translateY(-1px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 12px 24px rgba(148, 163, 184, 0.18);
}

.action-button:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
  box-shadow: 0 8px 20px rgba(148, 163, 184, 0.08);
}

.action-button--primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  border-color: transparent;
  color: #fff;
}

.mode-switch,
.device-switch {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  margin-top: 28px;
  border-radius: 999px;
  background: #f4f8fc;
  border: 1px solid rgba(214, 224, 236, 0.95);
}

.mode-switch__button,
.device-switch__button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
  font-weight: 700;
  padding: 10px 18px;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
}

.mode-switch__button.is-active,
.device-switch__button.is-active {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 8px 18px rgba(148, 163, 184, 0.14);
}

.input-panel {
  margin-top: 22px;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.96) 0%, rgba(255, 255, 255, 0.96) 100%);
  border: 1px solid rgba(214, 224, 236, 0.95);
}

.url-row {
  display: flex;
  align-items: end;
  gap: 16px;
}

.fetch-status {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(180, 83, 9, 0.18);
  background: #fffaf2;
  color: var(--warning);
  font-size: 0.92rem;
  line-height: 1.6;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field--grow {
  flex: 1;
}

.field__label {
  color: var(--text-sub);
  font-size: 0.92rem;
  font-weight: 700;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  appearance: none;
  border: 1px solid rgba(214, 224, 236, 1);
  border-radius: 14px;
  background: #fff;
  color: var(--text-main);
  padding: 14px 16px;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.field textarea {
  min-height: 118px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: rgba(59, 130, 246, 0.45);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.08);
}

.helper-note {
  margin: 14px 0 0;
  color: var(--text-sub);
  font-size: 0.92rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field--span-2 {
  grid-column: span 2;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.summary-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(214, 224, 236, 0.95);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(245, 249, 255, 0.98) 100%);
}

.summary-card__label {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.summary-card__value {
  margin: 8px 0 0;
  font-size: 1.04rem;
  font-weight: 800;
}

.summary-card__meta {
  margin: 8px 0 0;
  color: var(--text-sub);
  font-size: 0.92rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.preview-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(214, 224, 236, 0.95);
  background: #fff;
  box-shadow: 0 10px 24px rgba(148, 163, 184, 0.08);
  min-width: 0;
}

.preview-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.preview-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.preview-card__caption {
  color: var(--text-soft);
  font-size: 0.86rem;
}

.preview-shell {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid #dde7f1;
  background: #fff;
}

.preview-shell__media {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.22), rgba(15, 118, 110, 0.12));
}

.preview-shell__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-shell__media--wide {
  aspect-ratio: 1.91 / 1;
}

.preview-shell__media--square {
  flex: 0 0 36%;
  aspect-ratio: 1 / 1;
}

.media-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 16px;
  background: #d2dae3;
}

.media-placeholder--x-summary,
.media-placeholder--card {
  background: #f2f5f7;
}

.media-placeholder__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  color: #647180;
}

.media-placeholder__icon--x-summary,
.media-placeholder__icon--card {
  color: #697785;
}

.media-placeholder__svg {
  display: block;
  width: 116px;
  height: auto;
  aspect-ratio: 1 / 1;
}

.media-placeholder__icon--x-summary .media-placeholder__svg,
.media-placeholder__icon--card .media-placeholder__svg {
  width: 30px;
  height: 30px;
}

.share-card--x-large-desktop .media-placeholder__svg,
.share-card--x-large-mobile .media-placeholder__svg {
  width: 60px;
  height: 60px;
}

.preview-shell__body {
  padding: 14px 16px 16px;
}

.preview-host {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.preview-title {
  margin: 0;
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.4;
}

.preview-description {
  margin: 8px 0 0;
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.55;
}

.preview-card--x-browser .preview-card__badge,
.preview-card--x-app .preview-card__badge {
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
}

.preview-card--facebook-browser .preview-card__badge,
.preview-card--facebook-app .preview-card__badge {
  background: rgba(37, 99, 235, 0.1);
  color: #1d4ed8;
}

.preview-shell--x-real {
  padding: 0;
  border: 0;
  background: transparent;
}

.preview-shell--x-real .preview-shell__media {
  border-radius: 22px;
  border: 1px solid #d8e2ec;
}

.preview-x__overlay {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
}

.preview-x__title-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 8px 14px;
  border-radius: 12px;
  background: rgba(38, 43, 49, 0.72);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.35;
  backdrop-filter: blur(10px);
}

.preview-x__footer {
  margin: 0;
  padding: 12px 4px 0;
  color: #556476;
  font-size: 0.96rem;
  font-weight: 700;
}

.preview-shell--x-summary-card {
  display: flex;
  background: #fff;
}

.preview-shell--x-summary-card .preview-shell__body {
  flex: 1;
}

.preview-shell--facebook-real {
  background: #fff;
}

.preview-shell--facebook-real .preview-shell__media {
  background: #f5f7fb;
}

.preview-facebook__body {
  position: relative;
  padding: 12px 16px 16px;
}

.preview-facebook__host {
  margin: 0;
  color: #6b7280;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.preview-facebook__title {
  margin: 6px 0 0;
  color: #0f172a;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.35;
}

.preview-facebook__info {
  position: absolute;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(214, 224, 236, 0.98);
  box-shadow: 0 12px 24px rgba(148, 163, 184, 0.16);
  color: #111827;
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1;
}

.preview-facebook__info--app {
  top: 18px;
  right: 18px;
}

.preview-facebook__info--browser {
  right: 14px;
  bottom: -22px;
}

.preview-shell--facebook-real.is-browser .preview-facebook__body {
  padding-right: 72px;
}

.preview-shell--facebook-real.is-app .preview-facebook__title {
  font-size: 1.08rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 28px;
}

.preview-board__intro {
  display: grid;
  gap: 8px;
}

.preview-board__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: #1f2937;
  font-size: 1.12rem;
  font-weight: 800;
}

.preview-board__title::before {
  content: "◎";
  color: #1f2937;
  font-size: 1rem;
}

.preview-board__note {
  margin: 0;
  color: #667085;
  font-size: 0.83rem;
  line-height: 1.6;
}

.preview-section {
  display: grid;
  gap: 12px;
}

.preview-section__header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-section__icon {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  color: #111827;
  font-size: 1rem;
  font-weight: 900;
  line-height: 1;
}

.preview-section__title {
  margin: 0;
  color: #111827;
  font-size: 1.06rem;
  font-weight: 800;
}

.preview-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid #dbe4ef;
  border-radius: 24px;
  background: #fff;
}

.preview-compare__cell {
  min-width: 0;
  padding: 18px 18px 24px;
  background: #fff;
  border-top: 1px solid #e5edf5;
  border-left: 1px solid #e5edf5;
}

.preview-compare__cell.is-top-row {
  border-top: 0;
}

.preview-compare__cell.is-left-column {
  border-left: 0;
}

.preview-compare__label {
  margin: 0 0 14px;
  color: #273241;
  font-size: 0.98rem;
  font-weight: 700;
  text-align: center;
}

.preview-compare__canvas {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.share-card {
  position: relative;
  min-width: 0;
  background: #fff;
}

.share-card--x-large-desktop,
.share-card--x-large-mobile,
.share-card--x-summary-desktop,
.share-card--x-summary-mobile {
  font-family: var(--font-x);
}

.share-card--facebook-desktop,
.share-card--facebook-mobile {
  font-family: var(--font-facebook);
}

.share-card__media {
  position: relative;
  overflow: hidden;
  background: #f2f6fa;
}

.share-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.share-card__media--wide,
.share-card__media--wide-flat {
  aspect-ratio: 1.91 / 1;
}

.share-card__media--summary-large {
  flex: 0 0 124px;
  width: 124px;
  height: 124px;
  align-self: center;
  aspect-ratio: 1 / 1;
}

.share-card__media--summary-small {
  flex: 0 0 82px;
  width: 82px;
  height: 82px;
  align-self: center;
  aspect-ratio: 1 / 1;
}

.share-card__body {
  padding: 12px 14px 14px;
}

.share-card__host {
  margin: 0;
  color: #5f7082;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.share-card__title {
  margin: 4px 0 0;
  color: #111827;
  font-size: 0.99rem;
  font-weight: 700;
  line-height: 1.38;
}

.share-card__description {
  margin: 6px 0 0;
  color: #69788a;
  font-size: 0.87rem;
  line-height: 1.45;
}

.share-card--x-large-desktop,
.share-card--x-large-mobile {
  width: min(100%, 432px);
}

.share-card--x-large-desktop .share-card__media,
.share-card--x-large-mobile .share-card__media {
  border: 1px solid #cfd9e4;
  border-radius: 18px;
}

.share-card__chip {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  max-width: calc(100% - 24px);
  color: #fff;
  line-height: 1.3;
}

.share-card__chip--x-desktop {
  left: 10px;
  bottom: 10px;
  padding: 4px 8px 3px;
  border-radius: 6px;
  background: rgba(39, 44, 48, 0.86);
  color: #fff;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.share-card__chip--x-mobile {
  padding: 4px 8px 3px;
  border-radius: 6px;
  background: rgba(39, 44, 48, 0.86);
  color: #fff;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.share-card__x-source {
  margin: 0;
  color: #536471;
  font-family: var(--font-x);
  letter-spacing: -0.01em;
}

.share-card__x-source--desktop {
  padding: 8px 0 0;
  font-size: 0.79rem;
  font-weight: 700;
  line-height: 1.35;
}

.share-card__x-source--mobile {
  padding: 10px 12px 12px;
  color: #536471;
  font-size: 0.79rem;
  font-weight: 700;
  line-height: 1.35;
}

.share-card--x-large-mobile {
  background: #fff;
  width: min(100%, 320px);
}

.share-card--x-large-mobile .share-card__chip--x-mobile {
  background: rgba(39, 44, 48, 0.76);
}

.share-card--x-summary-desktop {
  display: flex;
  align-items: center;
  width: min(100%, calc(124px + 1px + 24px + 18.48rem));
  overflow: hidden;
  border: 1px solid #d7e0e8;
  border-radius: 16px;
  background: #fff;
}

.share-card--x-summary-mobile {
  display: flex;
  align-items: center;
  width: min(100%, calc(82px + 1px + 22px + 12.74rem));
  overflow: hidden;
  border: 1px solid #d7e0e8;
  border-radius: 16px;
  background: #fff;
}

.share-card--x-summary-desktop .share-card__media,
.share-card--x-summary-mobile .share-card__media {
  background: #fff;
  border-right: 1px solid #d7e0e8;
}

.share-card__body--x-summary-desktop,
.share-card__body--x-summary-mobile {
  flex: 1;
  min-width: 0;
}

.share-card__body--x-summary-desktop {
  padding: 10px 12px 9px;
}

.share-card__body--x-summary-mobile {
  padding: 8px 11px 7px;
}

.share-card__host--x-summary-desktop,
.share-card__host--x-summary-mobile {
  color: #536471;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.share-card__host--x-summary-desktop {
  font-size: 0.8rem;
  line-height: 1.4;
}

.share-card__host--x-summary-mobile {
  font-size: 0.78rem;
  line-height: 1.2;
}

.share-card__title--x-summary-desktop,
.share-card__title--x-summary-mobile {
  color: #0f1419;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  letter-spacing: -0.012em;
  word-break: break-word;
}

.share-card__title--x-summary-desktop {
  margin-top: 2px;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.4;
  -webkit-line-clamp: 1;
}

.share-card__title--x-summary-mobile {
  margin-top: 2px;
  font-size: 0.91rem;
  font-weight: 500;
  line-height: 1.28;
  -webkit-line-clamp: 2;
}

.share-card__description--x-summary-desktop {
  margin-top: 2px;
  color: #536471;
  font-size: 0.77rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.01em;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.share-card--facebook-desktop-summary,
.share-card--facebook-mobile-summary {
  display: flex;
  align-items: stretch;
  overflow: visible;
  background: #fff;
}

.share-card--facebook-desktop-summary {
  width: min(100%, calc(124px + 1px + 24px + 18.2rem));
}

.share-card--facebook-mobile-summary {
  width: min(100%, calc(82px + 1px + 22px + 12.74rem));
}

.share-card__media--facebook-summary-desktop {
  flex: 0 0 124px;
  width: 124px;
  height: 124px;
  background: #fff;
  border-right: 1px solid #dadde1;
}

.share-card__media--facebook-summary-mobile {
  flex: 0 0 82px;
  width: 82px;
  height: 82px;
  background: #fff;
  border-right: 1px solid #dadde1;
}

.share-card__body--facebook-summary {
  flex: 1;
  min-width: 0;
  background: #f0f2f5;
  border-top: 0;
}

.share-card__body--facebook-summary-desktop {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 12px 9px;
}

.share-card__body--facebook-summary-mobile {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 11px 7px;
}

.share-card__host--facebook-summary-desktop,
.share-card__host--facebook-summary-mobile {
  color: #65676b;
  letter-spacing: 0;
}

.share-card__host--facebook-summary-desktop {
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.3;
  text-transform: uppercase;
}

.share-card__host--facebook-summary-mobile {
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: none;
}

.share-card__title--facebook-summary-desktop,
.share-card__title--facebook-summary-mobile {
  color: #050505;
  margin-top: 4px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.share-card__title--facebook-summary-desktop {
  font-size: 0.67rem;
  font-weight: 700;
  line-height: 1.24;
}

.share-card__title--facebook-summary-mobile {
  font-size: 0.67rem;
  font-weight: 800;
  line-height: 1.22;
}

.share-card__description--facebook-summary-desktop {
  margin-top: 2px;
  color: #65676b;
  font-size: 0.67rem;
  font-weight: 400;
  line-height: 1.28;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.share-card--facebook-desktop {
  width: min(100%, 432px);
  border: 1px solid #dadde1;
  border-radius: 0;
}

.share-card--facebook-mobile {
  width: min(100%, 320px);
  border: 1px solid #dadde1;
  border-radius: 0;
}

.share-card__body--facebook {
  background: #f0f2f5;
  border-top: 1px solid #dadde1;
}

.share-card__body--facebook-desktop {
  padding: 9px 14px 12px;
}

.share-card__body--facebook-mobile {
  padding: 12px 16px 15px;
}

.share-card__host--facebook-desktop,
.share-card__host--facebook-mobile {
  color: #65676b;
  letter-spacing: 0;
}

.share-card__host--facebook-desktop {
  font-size: 0.78rem;
  font-weight: 400;
  text-transform: uppercase;
}

.share-card__host--facebook-mobile {
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: none;
}

.share-card__title--facebook-desktop,
.share-card__title--facebook-mobile {
  color: #050505;
  margin-top: 4px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
}

.share-card__title--facebook-desktop {
  font-size: 0.67rem;
  font-weight: 700;
  line-height: 1.24;
  -webkit-line-clamp: 2;
}

.share-card__title--facebook-mobile {
  font-size: 0.67rem;
  font-weight: 800;
  line-height: 1.22;
  -webkit-line-clamp: 2;
}

.share-card__info-badge {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid #d8dade;
  color: #050505;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-style: italic;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.share-card__info-badge--facebook-desktop {
  right: 10px;
  top: 212px;
  bottom: auto;
  width: 28px;
  height: 28px;
}

.share-card__info-badge--facebook-summary-desktop {
  top: -12px;
  right: 10px;
  width: 28px;
  height: 28px;
  z-index: 1;
}

.share-card__info-badge--facebook-mobile {
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
}

.share-card__info-badge--facebook-summary-mobile {
  top: -12px;
  right: 10px;
  width: 32px;
  height: 32px;
  z-index: 1;
}

.share-card__description--facebook-desktop,
.share-card__description--facebook-mobile,
.share-card__description--x-summary-mobile {
  display: none;
}

.details-grid,
.info-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

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

.detail-card,
.info-card {
  padding: 24px;
}

.tag-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.tag-group {
  display: grid;
  gap: 10px;
}

.tag-group__title {
  margin: 0;
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tag-group__items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tag-item {
  padding: 14px;
  border-radius: 16px;
  background: #f8fbff;
  border: 1px solid rgba(214, 224, 236, 0.95);
  min-width: 0;
}

.tag-item__label {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.tag-item__value {
  margin: 8px 0 0;
  color: var(--text-main);
  font-size: 0.92rem;
  word-break: break-word;
}

.tag-item__value.is-empty {
  color: var(--text-soft);
}

.warning-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
}

.warning-list li {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(214, 224, 236, 0.95);
  background: #fbfdff;
  color: var(--text-sub);
}

.warning-list li[data-tone="warning"] {
  background: #fffaf2;
  border-color: rgba(180, 83, 9, 0.18);
  color: var(--warning);
}

.warning-list li[data-tone="danger"] {
  background: #fff7f7;
  border-color: rgba(220, 38, 38, 0.18);
  color: var(--danger);
}

.warning-list li[data-tone="ok"] {
  background: #f3fbf8;
  border-color: rgba(15, 118, 110, 0.18);
  color: var(--success);
}

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

.info-card ul {
  margin: 14px 0 0;
  padding-left: 1.1em;
  color: var(--text-sub);
}

.info-card li + li {
  margin-top: 10px;
}

footer {
  width: var(--content-width);
  margin: auto auto 0;
  padding: 18px 0 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--text-sub);
}

.footer-left a {
  display: inline-flex;
  align-items: center;
}

.footer-left img {
  display: block;
  width: auto;
  height: 24px;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.92rem;
}

.footer-right a {
  color: inherit;
  text-decoration: none;
}

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

.copyright {
  white-space: nowrap;
}

@media (max-width: 1080px) {
  .summary-grid,
  .info-grid,
  .details-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .hero {
    padding-top: 48px;
  }

  .tool-card,
  .info-card,
  .detail-card {
    padding: 22px;
  }

  .url-row,
  footer {
    flex-direction: column;
    align-items: stretch;
  }

  .url-actions {
    width: 100%;
  }

  .mode-switch,
  .device-switch {
    width: 100%;
    justify-content: center;
  }

  .summary-grid,
  .details-grid,
  .info-grid,
  .tag-group__items,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .field--span-2 {
    grid-column: span 1;
  }

  .preview-compare {
    grid-template-columns: 1fr;
  }

  .preview-compare__cell {
    border-top: 1px solid #e5edf5 !important;
    border-left: 0 !important;
  }

  .preview-compare__cell:first-child {
    border-top: 0 !important;
  }
}

@media (max-width: 560px) {
  .main-content,
  .hero,
  footer {
    width: min(100% - 20px, 100%);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .tool-card {
    padding: 18px;
  }

  .preview-card {
    padding: 14px;
  }

  .footer-right {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .preview-compare__cell {
    padding: 16px 14px 20px;
  }

  .share-card--x-large-mobile,
  .share-card--x-summary-mobile,
  .share-card--facebook-mobile,
  .share-card--facebook-desktop,
  .share-card--x-summary-desktop,
  .share-card--x-large-desktop {
    width: 100%;
  }

  .share-card__media--summary-large {
    flex-basis: 104px;
    width: 104px;
  }
}