.ogp {
  max-width: 900px;
  margin: 0 auto;
}

.ogp__lead {
  margin: 0 0 1.1rem;
  color: #475569;
  font-size: .95rem;
}

.ogp-form {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  margin-bottom: .8rem;
}

.ogp-form input[type="url"] {
  flex: 1 1 20rem;
  padding: .6rem .8rem;
  font-size: .95rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
}

.ogp-form button {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  flex: 0 0 auto;
  padding: .6rem 1.4rem;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: #7c3aed;
  border: 1px solid transparent;
  border-radius: 999px;
}

.ogp-form button:hover:not(:disabled) {
  background: #6d28d9;
}

.ogp-form button:disabled {
  opacity: .6;
  cursor: default;
}

.ogp-error {
  margin: 0 0 1rem;
  padding: .6rem .9rem;
  font-size: .9rem;
  color: #b91c1c;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
}

.ogp-result__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  flex-wrap: wrap;
  margin-bottom: .8rem;
}

.ogp-result__url {
  margin: 0;
  font-size: .85rem;
  color: #64748b;
  word-break: break-all;
}

.ogp-result__url span {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  color: #334155;
}

#refetchButton {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  flex: 0 0 auto;
  padding: .4rem .9rem;
  font-size: .82rem;
  font-weight: 700;
  color: #7c3aed;
  background: #fff;
  border: 1px solid #7c3aed;
  border-radius: 999px;
}

#refetchButton:hover {
  background: #f5f3ff;
}

.ogp-warnings {
  margin: 0 0 1.2rem;
  padding: .8rem 1rem;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 10px;
}

.ogp-warnings__title {
  margin: 0 0 .4rem;
  font-size: .82rem;
  font-weight: 700;
  color: #92400e;
}

.ogp-warnings ul {
  margin: 0;
  padding-left: 1.2rem;
  font-size: .85rem;
  color: #78350f;
}

.ogp-warnings li {
  margin-bottom: .2rem;
}

.ogp-section-title {
  margin: 1.6rem 0 .8rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: #1e293b;
}

.ogp-previews {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.ogp-card {
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid #e2e8f0;
  background: #fff;
}

.ogp-card__platform {
  margin: 0;
  padding: .4rem .8rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: #94a3b8;
  text-transform: uppercase;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.ogp-card__image {
  width: 100%;
  aspect-ratio: 1.91 / 1;
  overflow: hidden;
  background: #e2e8f0;
}

.ogp-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ogp-card__body {
  padding: .7rem .9rem;
}

.ogp-card__domain {
  margin: 0 0 .2rem;
  font-size: .72rem;
  color: #94a3b8;
}

.ogp-card__site {
  display: flex;
  align-items: center;
  gap: .35rem;
  margin: 0 0 .3rem;
  font-size: .78rem;
  font-weight: 700;
  color: #64748b;
}

.ogp-card__favicon {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

.ogp-card__title {
  margin: 0 0 .25rem;
  font-size: .95rem;
  font-weight: 700;
  color: #0f172a;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ogp-card__title--link {
  color: #2563eb;
}

.ogp-card__desc {
  margin: 0;
  font-size: .82rem;
  color: #64748b;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- X (Twitter) --- */
.ogp-card--x.ogp-card--summary {
  display: flex;
}

.ogp-card--x.ogp-card--summary .ogp-card__platform {
  display: none;
}

.ogp-card--x.ogp-card--summary .ogp-card__image {
  width: 88px;
  aspect-ratio: 1 / 1;
  flex: 0 0 auto;
}

/* --- Facebook / LINE風 --- */
.ogp-card--fb .ogp-card__domain {
  font-weight: 700;
  letter-spacing: .04em;
}

.ogp-card--fb .ogp-card__body {
  background: #f0f2f5;
}

/* --- Slack風 --- */
.ogp-card--slack {
  border-left: 4px solid #36c5f0;
}

.ogp-card__slack-inner {
  display: flex;
  align-items: stretch;
  gap: .6rem;
  padding: .3rem 0;
}

.ogp-card--slack .ogp-card__body {
  flex: 1 1 auto;
  padding: .6rem .8rem;
}

.ogp-card__image--slack {
  width: 90px;
  aspect-ratio: 1 / 1;
  flex: 0 0 auto;
  margin: .6rem .8rem .6rem 0;
  border-radius: 6px;
}

/* --- Discord風 --- */
.ogp-card--discord {
  background: #313338;
  border-color: #202225;
}

.ogp-card--discord .ogp-card__platform {
  background: #2b2d31;
  color: #96989d;
  border-bottom-color: #202225;
}

.ogp-card__discord-inner {
  padding: .7rem .9rem;
  border-left: 4px solid #5865f2;
}

.ogp-card--discord .ogp-card__site {
  color: #b5bac1;
}

.ogp-card--discord .ogp-card__title {
  color: #00a8fc;
}

.ogp-card--discord .ogp-card__desc {
  color: #dbdee1;
}

.ogp-card--discord .ogp-card__image {
  margin-top: .5rem;
  border-radius: 6px;
  aspect-ratio: 1.91 / 1;
}

.ogp-image-tip {
  margin: 1rem 0 0;
  font-size: .8rem;
  color: #94a3b8;
}

.ogp-values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .7rem;
}

.ogp-value {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: .7rem .85rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
}

.ogp-value__label {
  font-size: .74rem;
  font-weight: 700;
  color: #64748b;
}

.ogp-value__count {
  font-weight: 400;
  color: #94a3b8;
}

.ogp-value__text {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: .85rem;
  color: #0f172a;
  word-break: break-all;
}

.ogp-value__copy {
  align-self: flex-start;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  padding: .25rem .7rem;
  font-size: .76rem;
  font-weight: 700;
  color: #7c3aed;
  background: #fff;
  border: 1px solid #7c3aed;
  border-radius: 999px;
}

.ogp-value__copy:hover {
  background: #f5f3ff;
}

.ogp-note {
  margin: 1.2rem 0 0;
  font-size: .8rem;
  color: #94a3b8;
}

@media (max-width: 720px) {
  .ogp-previews,
  .ogp-values {
    grid-template-columns: 1fr;
  }

  .ogp-card--x.ogp-card--summary {
    flex-direction: column;
  }

  .ogp-card--x.ogp-card--summary .ogp-card__image {
    width: 100%;
    aspect-ratio: 1.91 / 1;
  }
}