/**
 * よくある質問ページ専用スタイル
 * FAQ Page Styles
 */

/* CSS変数定義 */
:root {
  --about-container-padding: clamp(2rem, 4vw, 4rem);
  --space-xl: 2rem;
  --space-2xl: 3rem;
}

/* ===========================
   Hero Section - base.cssのフォント設定を使用
   =========================== */
.about-hero {
  position: relative;
  width: 100%;
  min-height: 60vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--text-primary, #1f2937);
  color: var(--white);
  padding-top: 8rem; /* Fixed header offset */
}

/* シンプルな背景オーバーレイ */
.about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg, 
    rgba(5, 150, 105, 0.1) 0%,
    transparent 50%,
    rgba(234, 88, 12, 0.08) 100%
  );
  z-index: 1;
}

.about-hero__content {
  position: relative;
  z-index: 10;
  max-width: min(120rem, 90vw);
  margin: 0 auto;
  padding: 0 var(--about-container-padding);
  text-align: left;
  width: 100%;
}

.about-hero__title {
  color: transparent;
  -webkit-text-stroke: 2px #ffffff;
  text-stroke: 2px #ffffff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}


/* ===========================
   FAQ Search Bar
   =========================== */
.faq-search {
  padding: 40px 0;
  background: #ffffff;
  border-bottom: 1px solid #e0e0e0;
}

.faq-search__container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.faq-search__form {
  display: flex;
  gap: 16px;
  background: #f8f9fa;
  padding: 8px;
  border-radius: 50px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.faq-search__input {
  flex: 1;
  padding: 16px 24px;
  border: none;
  background: transparent;
  font-size: var(--font-size-base);
  outline: none;
}

.faq-search__input::placeholder {
  color: #999999;
}

.faq-search__button {
  padding: 16px 32px;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 50px;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.faq-search__button:hover {
  background: #004d3e;
}

/* ===========================
   FAQ Categories
   =========================== */
.faq-categories {
  padding: 60px 0 40px;
  background: #ffffff;
}

.faq-categories__container {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 0 20px;
}

.faq-categories__title {
  font-size: clamp(2.4rem, 2.2rem + 0.6vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: #333333;
}

.faq-categories__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.faq-category-card {
  background: #f8f9fa;
  padding: 16px 24px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  color: #333333;
  border: 2px solid transparent;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  width: 280px;
  flex-shrink: 0;
}

.faq-category-card:hover {
  background: var(--color-primary, #059669);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 95, 78, 0.2);
  border-color: var(--color-primary, #059669);
}

.faq-category-card:hover .faq-category-card__name,
.faq-category-card:hover .faq-category-card__count {
  color: #ffffff;
}

.faq-category-card__name {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 4px;
  color: inherit;
  text-align: center;
}

.faq-category-card__count {
  font-size: var(--font-size-xs);
  opacity: 0.7;
  color: inherit;
  text-align: center;
}

/* ===========================
   FAQ List Section
   =========================== */
.faq-list {
  padding: 60px 0 80px;
  background: #f8f9fa;
}

.faq-list__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.faq-list__title {
  font-size: clamp(2.8rem, 2.4rem + 1.2vw, 3.6rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: var(--color-primary);
}

.faq-section {
  margin-bottom: 80px;
}

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

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s ease;
}

.faq-item.active {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.faq-item__question {
  width: 100%;
  padding: 24px 60px 24px 24px;
  background: #ffffff;
  border: none;
  text-align: left;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: background 0.3s ease;
}

.faq-item__question:hover {
  background: #f8f9fa;
}

.faq-item.active .faq-item__question {
  background: #f0f7f5;
}

.faq-item__question-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.faq-item__question-text {
  flex: 1;
  font-size: clamp(1.6rem, 1.4rem + 0.6vw, 1.8rem);
  font-weight: 600;
  color: #333333;
  line-height: 1.5;
}

.faq-item__toggle {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-item__toggle {
  transform: translateY(-50%) rotate(180deg);
}

.faq-item__toggle::before {
  content: '';
  width: 12px;
  height: 12px;
  border-right: 2px solid #666666;
  border-bottom: 2px solid #666666;
  transform: rotate(45deg);
  margin-top: -4px;
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-item__answer {
  max-height: 1000px;
  padding: 0 24px 24px 80px;
}

.faq-item__answer-content {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: #666666;
}

.faq-item__answer-content p {
  margin-bottom: 16px;
}

.faq-item__answer-content p:last-child {
  margin-bottom: 0;
}

.faq-item__answer-content ul,
.faq-item__answer-content ol {
  margin: 16px 0;
  padding-left: 24px;
}

.faq-item__answer-content li {
  margin-bottom: 8px;
}

.faq-item__answer-content strong {
  color: #333333;
  font-weight: 600;
}

/* ===========================
   FAQ Tags
   =========================== */
.faq-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e0e0e0;
}

.faq-tag {
  padding: 4px 12px;
  background: #f0f0f0;
  border-radius: 16px;
  font-size: 1.2rem;
  color: #666666;
  text-decoration: none;
  transition: all 0.3s ease;
}

.faq-tag:hover {
  background: var(--color-primary);
  color: #ffffff;
}

/* ===========================
   Popular Questions
   =========================== */
.popular-questions {
  padding: 60px 0;
  background: #ffffff;
}

.popular-questions__container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.popular-questions__title {
  font-size: clamp(2.4rem, 2.2rem + 0.6vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 40px;
  color: #333333;
  display: flex;
  align-items: center;
  gap: 12px;
}

.popular-questions__title::before {
  content: '🔥';
  font-size: 2.4rem;
}

.popular-questions__list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.popular-question {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: #fff8f0;
  border-radius: 8px;
  border-left: 4px solid #ff9800;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.popular-question:hover {
  transform: translateX(8px);
  box-shadow: 0 4px 12px rgba(255, 152, 0, 0.2);
}

.popular-question__rank {
  width: 32px;
  height: 32px;
  background: #ff9800;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.popular-question__text {
  flex: 1;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: #333333;
}

/* ===========================
   Contact CTA
   =========================== */
.faq-contact-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f7f5 0%, #e8f5e9 100%);
}

.faq-contact-cta__container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.faq-contact-cta__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-contact-cta__icon svg {
  width: 40px;
  height: 40px;
  fill: #ffffff;
}

.faq-contact-cta__title {
  font-size: clamp(2.4rem, 2.2rem + 0.6vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: #333333;
}

.faq-contact-cta__description {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: #666666;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.faq-contact-cta__button {
  display: inline-block;
  padding: 16px 48px;
  background: var(--color-primary);
  color: #ffffff;
  border-radius: 50px;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.faq-contact-cta__button:hover {
  background: #004d3e;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 95, 78, 0.3);
}

/* ===========================
   Mobile Category Select
   =========================== */
.faq-category-select {
    width: 100%;
    max-width: 400px;
    margin: 0 auto 20px;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: white;
    color: #333333;
    display: block;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23666" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    cursor: pointer;
}

.faq-category-select:focus {
    outline: none;
    border-color: var(--color-primary, #059669);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

/* ===========================
   Responsive Design - Enhanced Mobile UI
   =========================== */
@media (max-width: 768px) {
  /* モバイル横余白統一 - 1remで統一 */
  .l-container,
  .faq-content,
  .faq-search__container,
  .faq-categories__container,
  .faq-list__container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  /* セクションの横余白調整 */
  .about-hero,
  .faq-search,
  .faq-categories,
  .faq-list {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .about-hero {
    min-height: 50vh;
    padding-top: 6rem;
  }
  
  .about-hero__title {
    font-size: clamp(2.8rem, 8vw, 4rem);
    line-height: 1.2;
    -webkit-text-stroke: 1.5px #ffffff;
    text-stroke: 1.5px #ffffff;
  }
  
  .about-hero__subtitle {
    font-size: clamp(1.6rem, 3vw, 2rem);
    line-height: 1.4;
  }
  
  .faq-search {
    padding: 30px 0;
  }
  
  .faq-search__form {
    flex-direction: column;
    padding: 16px;
    border-radius: 12px;
  }
  
  .faq-search__input {
    font-size: 1.6rem;
    padding: 14px 20px;
  }
  
  .faq-search__button {
    width: 100%;
    min-height: 44px;
    font-size: 1.6rem;
  }
  
  .faq-categories__title {
    font-size: clamp(2rem, 4vw, 2.4rem);
    margin-bottom: 30px;
  }
  
  .faq-categories__grid {
    gap: 12px;
    padding: 0 10px;
  }
  
  .faq-category-card {
    width: calc(50% - 6px);
    min-width: 150px;
    padding: 12px 16px;
  }
  
  .faq-category-card__name {
    font-size: 1.4rem;
  }
  
  .faq-category-card__count {
    font-size: 1.2rem;
  }
  
  .faq-list__title {
    font-size: clamp(2.4rem, 5vw, 3rem);
    margin-bottom: 40px;
  }
  
  .faq-item__question {
    padding: 20px 50px 20px 20px;
    min-height: 60px;
  }
  
  .faq-item__question-icon {
    width: 32px;
    height: 32px;
    font-size: 1.4rem;
  }
  
  .faq-item__question-text {
    font-size: clamp(1.5rem, 2.5vw, 1.7rem);
    line-height: 1.4;
  }
  
  .faq-item.active .faq-item__answer {
    padding: 0 20px 20px 20px;
  }
  
  .faq-item__answer-content {
    font-size: 1.5rem;
    line-height: 1.7;
  }
  
  .popular-questions__title {
    font-size: clamp(2rem, 4vw, 2.4rem);
    margin-bottom: 30px;
  }
  
  .popular-question {
    padding: 16px;
  }
  
  .popular-question__text {
    font-size: 1.5rem;
    line-height: 1.5;
  }
  
  .faq-contact-cta {
    padding: 60px 0;
  }
  
  .faq-contact-cta__container {
    padding: 30px 20px;
    border-radius: 12px;
  }
  
  .faq-contact-cta__title {
    font-size: clamp(2rem, 4vw, 2.4rem);
  }
  
  .faq-contact-cta__description {
    font-size: 1.5rem;
    line-height: 1.7;
    margin-bottom: 24px;
  }
  
  .faq-contact-cta__button {
    min-height: 44px;
    padding: 14px 32px;
    font-size: 1.6rem;
  }
  
  .faq-section {
    margin-bottom: 60px;
  }
}

@media (max-width: 480px) {
  .about-hero {
    min-height: 40vh;
    padding-top: 5rem;
  }
  
  .about-hero__title {
    font-size: clamp(2.4rem, 10vw, 3.2rem);
    -webkit-text-stroke: 1px #ffffff;
    text-stroke: 1px #ffffff;
  }
  
  .about-hero__content {
    padding: 0 1.5rem;
  }
  
  .faq-search__container {
    padding: 0 15px;
  }
  
  .faq-categories__container {
    padding: 0 15px;
  }
  
  .faq-categories__grid {
    flex-direction: column;
    align-items: center;
  }
  
  .faq-category-card {
    width: 100%;
    max-width: 300px;
  }
  
  .faq-list__container {
    padding: 0 15px;
  }
  
  .faq-list__title {
    font-size: 2.2rem;
  }
  
  .faq-item__question {
    padding: 16px 45px 16px 16px;
  }
  
  .faq-item__question-text {
    font-size: 1.5rem;
  }
  
  .faq-item.active .faq-item__answer {
    padding: 0 16px 16px 16px;
  }
  
  .popular-questions__container {
    padding: 0 15px;
  }
  
  .popular-question {
    flex-direction: row;
    text-align: left;
    padding: 14px;
  }
  
  .popular-question__rank {
    width: 28px;
    height: 28px;
    font-size: 1.4rem;
  }
  
  .faq-contact-cta__container {
    margin: 0 15px;
    padding: 24px 16px;
  }
  
  .faq-contact-cta__icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
  }
  
  .faq-contact-cta__button {
    width: 100%;
    padding: 12px 24px;
  }
}

/* ===========================
   Print Styles
   =========================== */
@media print {
  .faq-hero,
  .faq-search,
  .faq-categories,
  .faq-contact-cta {
    display: none;
  }
  
  .faq-item {
    page-break-inside: avoid;
    border: 1px solid #ddd;
    margin-bottom: 20px;
  }
  
  .faq-item__answer {
    max-height: none !important;
    padding: 20px !important;
  }
  
  .faq-item__toggle {
    display: none;
  }
}