/* ==========================================================================
   Components - Buttons, Cards, Badges, Accordion, etc.
   antena-shuri Theme
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-8);
  padding: var(--sp-12) var(--sp-24);
  font-size: var(--fs-base);
  font-weight: 700;
  font-family: var(--font-base);
  line-height: 1.4;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.btn__icon { width: 18px; height: 18px; flex-shrink: 0; }

/* Primary (Cobalt Blue) */
a.btn--primary, .btn--primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}
a.btn--primary:hover, .btn--primary:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: #ffffff;
}

/* Accent (Orange) */
a.btn--accent, .btn--accent {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}
a.btn--accent:hover, .btn--accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(230, 126, 34, 0.35);
}

/* Outline White */
a.btn--outline-white, .btn--outline-white {
  background-color: transparent;
  color: #ffffff;
  border-color: var(--color-white);
}
a.btn--outline-white:hover, .btn--outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

/* White */
a.btn--white, .btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
a.btn--white:hover, .btn--white:hover {
  background-color: var(--color-bg-gray);
  border-color: var(--color-bg-gray);
  color: var(--color-primary);
}

/* Outline */
.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Sizes */
.btn--sm { padding: var(--sp-8) var(--sp-16); font-size: var(--fs-sm); gap: var(--sp-4); }
.btn--sm .btn__icon { width: 14px; height: 14px; }
.btn--lg { padding: var(--sp-16) var(--sp-32); font-size: var(--fs-md); gap: var(--sp-12); }
.btn--lg .btn__icon { width: 22px; height: 22px; }
.btn--full { width: 100%; }

/* --------------------------------------------------------------------------
   Card
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* --------------------------------------------------------------------------
   Badge
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-4) var(--sp-12);
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  line-height: 1.4;
  white-space: nowrap;
}
.badge--primary { background-color: var(--color-primary); }
.badge--success { background-color: var(--color-success); }
.badge--outline { background-color: transparent; border: 1px solid var(--color-border); color: var(--color-text-light); }

/* --------------------------------------------------------------------------
   Star Rating
   -------------------------------------------------------------------------- */
.star-rating { display: flex; align-items: center; gap: 2px; color: var(--color-gold); }
.star-rating__star { width: 18px; height: 18px; }
.star-rating--sm .star-rating__star { width: 14px; height: 14px; }
.star-rating--lg .star-rating__star { width: 24px; height: 24px; }

/* --------------------------------------------------------------------------
   Accordion
   -------------------------------------------------------------------------- */
.accordion__item { border-bottom: 1px solid var(--color-border); }
.accordion__item:last-child { border-bottom: none; }

.accordion__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--sp-24) 0;
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  gap: var(--sp-16);
  line-height: 1.6;
  transition: color var(--transition-fast);
}

@media (min-width: 768px) {
  .accordion__question { font-size: var(--fs-md); }
}

.accordion__question:hover { color: var(--color-accent); }
.accordion__question-text { flex: 1; }

.accordion__icon {
  width: 24px; height: 24px;
  flex-shrink: 0;
  position: relative;
  transition: transform var(--transition-base);
}

.accordion__icon::before,
.accordion__icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background-color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), background-color var(--transition-fast);
}
.accordion__icon::before { width: 16px; height: 2px; transform: translate(-50%, -50%); }
.accordion__icon::after { width: 2px; height: 16px; transform: translate(-50%, -50%); }

.accordion__item.is-open .accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__item.is-open .accordion__icon::before,
.accordion__item.is-open .accordion__icon::after { background-color: var(--color-accent); }

.accordion__answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-base) ease; }
.accordion__answer-inner {
  padding: 0 0 var(--sp-24);
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--color-text-light);
}
@media (min-width: 768px) { .accordion__answer-inner { font-size: var(--fs-base); } }
.accordion__item.is-open .accordion__answer { max-height: 500px; }

/* FAQ labels */
.accordion__label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-right: var(--sp-12);
}
.accordion__answer-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-right: var(--sp-12);
}

/* --------------------------------------------------------------------------
   Section Button Wrapper
   -------------------------------------------------------------------------- */
.section-btn-wrap { text-align: center; margin-top: var(--sp-32); }
@media (min-width: 768px) { .section-btn-wrap { margin-top: var(--sp-48); } }

/* --------------------------------------------------------------------------
   Form Elements
   -------------------------------------------------------------------------- */
.form-group { margin-bottom: var(--sp-24); }
.form-label { display: block; font-size: var(--fs-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--sp-8); }
.form-label__required {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--sp-8);
  background-color: var(--color-danger);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  margin-left: var(--sp-8);
}

.form-input {
  width: 100%;
  padding: var(--sp-12) var(--sp-16);
  font-size: var(--fs-base);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  line-height: 1.6;
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 71, 171, 0.15);
}
.form-input::placeholder { color: var(--color-text-muted); }
textarea.form-input { min-height: 160px; resize: vertical; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23999' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-16) center;
  padding-right: var(--sp-48);
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb { padding: var(--sp-16) 0; font-size: var(--fs-xs); }
.breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4); }
.breadcrumb__item { display: flex; align-items: center; gap: var(--sp-4); color: var(--color-text-muted); }
.breadcrumb__separator { color: var(--color-text-muted); margin: 0 var(--sp-4); }
.breadcrumb__link { color: var(--color-text-muted); transition: color var(--transition-fast); }
.breadcrumb__link:hover { color: var(--color-accent); }
.breadcrumb__current,
.breadcrumb__item--current,
.breadcrumb__text { color: var(--color-text); }

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination { display: flex; align-items: center; justify-content: center; gap: var(--sp-8); margin-top: var(--sp-48); }
.pagination__link, .pagination__current {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 var(--sp-8);
  font-family: var(--font-en); font-size: var(--fs-sm); font-weight: 600; border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.pagination__link { color: var(--color-text-light); border: 1px solid var(--color-border); }
.pagination__link:hover { background-color: var(--color-primary); border-color: var(--color-primary); color: var(--color-white); }
.pagination__current { background-color: var(--color-primary); color: var(--color-white); }

/* --------------------------------------------------------------------------
   Tag / Category Label
   -------------------------------------------------------------------------- */
.tag { display: inline-flex; align-items: center; padding: var(--sp-4) var(--sp-12); font-size: 11px; font-weight: 600; border-radius: var(--radius-sm); line-height: 1.4; }
.tag--accent { background-color: var(--color-accent); color: var(--color-white); }
.tag--primary { background-color: var(--color-primary); color: var(--color-white); }
.tag--outline { background-color: transparent; border: 1px solid var(--color-border); color: var(--color-text-light); }

/* --------------------------------------------------------------------------
   Before / After Image Comparison
   -------------------------------------------------------------------------- */
.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  margin-bottom: var(--sp-24);
}

.before-after__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.before-after__label {
  position: absolute;
  top: var(--sp-8);
  left: var(--sp-8);
  padding: var(--sp-4) var(--sp-12);
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
  color: var(--color-white);
  z-index: 1;
}

.before-after__label--before {
  background-color: var(--color-text-muted);
}

.before-after__label--after {
  background-color: var(--color-primary);
}

.before-after__item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

@media (min-width: 768px) {
  .before-after__item img {
    height: 280px;
  }
}

/* --------------------------------------------------------------------------
   Speed Badge (最短即日対応のアイコンバッジ)
   -------------------------------------------------------------------------- */
.speed-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
  padding: var(--sp-8) var(--sp-16);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  font-size: var(--fs-sm);
  font-weight: 700;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.speed-badge__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}