/* ==================================
   基本設定
   ================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #5c4a3d;
  --color-secondary: #8b7355;
  --color-accent: #c9a86c;
  --color-background: #faf8f5;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-white: #ffffff;
  --color-border: #e0dcd5;
  --font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  --max-width: 1200px;
  --section-padding: 80px 20px;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.8;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-align: center;
  margin-bottom: 40px;
  color: var(--color-primary);
}

/* ==================================
   ヘッダーセクション
   ================================== */
.header {
  width: 100%;
  background-color: var(--color-white);
  padding: 0;
  margin: 0;
}

.header-video {
  width: 100%;
  font-size: 0;
}

.header-video video {
  width: 100%;
  height: auto;
  display: block;
}

/* 旧画像用（互換性維持） */
.header-image {
  max-width: 800px;
  width: 100%;
}

.header-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==================================
   コンセプトセクション
   ================================== */
.concept {
  padding: var(--section-padding);
  background-color: var(--color-white);
}

.concept-text {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.concept-text p {
  margin-bottom: 1.5em;
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-light);
}

.concept-text p:last-child {
  margin-bottom: 0;
}

.concept-tagline {
  font-size: 1.2rem !important;
  font-weight: 500;
  color: var(--color-accent) !important;
}

.concept-tagline-en {
  margin-top: 0;
}

/* ==================================
   ギャラリーセクション
   ================================== */
.gallery {
  padding: var(--section-padding);
  background-color: var(--color-background);
}

.gallery-description {
  text-align: center;
  margin-bottom: 30px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.gallery-description-en {
  color: var(--color-text-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

/* カード */
.gallery-card {
  aspect-ratio: 1;
  perspective: 1000px;
  cursor: pointer;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  background-color: var(--color-white);
}

.card-front img,
.card-back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

/* ホバーエフェクト */
.gallery-card:hover img {
  transform: scale(1.05);
}

.gallery-card:hover .card-front,
.gallery-card:hover .card-back {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-back {
  transform: rotateY(180deg);
}

/* テキストフォールバック（画像未設定時） */
.card-face-text {
  width: 100%;
  height: 100%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  text-align: center;
}

.card-face-text h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-face-text p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* リフレッシュボタン */
.gallery-refresh {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.refresh-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background-color: var(--color-white);
  color: var(--color-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.refresh-button:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.refresh-icon {
  width: 20px;
  height: 20px;
}

/* ==================================
   お知らせセクション
   ================================== */
.news {
  padding: var(--section-padding);
  background-color: var(--color-white);
}

.news-carousel {
  display: flex;
  align-items: center;
  gap: 15px;
  max-width: 800px;
  margin: 0 auto;
}

.carousel-track-container {
  flex: 1;
  overflow: hidden;
  border-radius: 12px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.news-card {
  min-width: 100%;
  background-color: var(--color-background);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.news-card-inner {
  display: flex;
  flex-direction: row;
  min-height: 280px;
}

.news-image {
  width: 40%;
  min-height: 280px;
  background-color: var(--color-border);
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-content {
  width: 60%;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-date {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.news-title {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 15px;
  line-height: 1.4;
}

.news-text {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* カルーセルボタン */
.carousel-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background-color: var(--color-white);
  color: var(--color-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.carousel-button:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.carousel-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel-button:disabled:hover {
  background-color: var(--color-white);
  color: var(--color-secondary);
  border-color: var(--color-border);
}

.carousel-button svg {
  width: 20px;
  height: 20px;
}

/* カルーセルインジケーター */
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.carousel-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.carousel-indicator.active {
  background-color: var(--color-accent);
}

.carousel-indicator:hover {
  background-color: var(--color-secondary);
}

/* ==================================
   プロフィールセクション
   ================================== */
.profile {
  padding: var(--section-padding);
  background-color: var(--color-background);
}

.profile-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  max-width: 700px;
  margin: 0 auto;
}

.profile-image {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-info {
  text-align: center;
}

.profile-name {
  font-size: 1.5rem;
  margin-bottom: 5px;
  color: var(--color-primary);
}

.profile-name-en {
  margin-top: 40px;
}

.profile-name-reading {
  font-size: 0.9rem;
  font-weight: normal;
  color: var(--color-text-light);
}

.profile-title {
  font-size: 1rem;
  color: var(--color-secondary);
  margin-bottom: 20px;
}

.profile-description {
  color: var(--color-text-light);
  margin-bottom: 25px;
  text-align: left;
  line-height: 1.9;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 35px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-secondary);
  text-decoration: none;
  border: 1px solid var(--color-secondary);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.social-link:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.social-icon {
  width: 22px;
  height: 22px;
}

.social-text {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ==================================
   お問い合わせセクション
   ================================== */
.contact {
  padding: var(--section-padding);
  background-color: var(--color-white);
}

.contact-description {
  text-align: center;
  margin-bottom: 30px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.contact-form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-primary);
}

.required {
  color: #c44;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background-color: var(--color-background);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-button {
  width: 100%;
  padding: 15px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.submit-button:hover {
  background-color: var(--color-secondary);
}

.submit-button:disabled {
  background-color: var(--color-border);
  cursor: not-allowed;
}

.form-status {
  text-align: center;
  margin-top: 20px;
  padding: 15px;
  border-radius: 8px;
  display: none;
}

.form-status.success {
  display: block;
  background-color: #d4edda;
  color: #155724;
}

.form-status.error {
  display: block;
  background-color: #f8d7da;
  color: #721c24;
}

/* ==================================
   スクロールフェードイン
   ================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ギャラリーカードは個別にアニメーション */
.gallery-card.reveal {
  transition-delay: calc(var(--card-index, 0) * 0.1s);
}

/* ==================================
   フッター
   ================================== */
.footer {
  padding: 30px 20px;
  text-align: center;
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

/* ==================================
   レスポンシブ対応
   ================================== */

/* タブレット */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 15px;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
  }

  .header {
    padding: 30px 15px;
  }

  .header-image {
    max-width: 100%;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .concept-tagline {
    font-size: 1.1rem !important;
  }

  /* お知らせカルーセル タブレット - ボタンを下に移動 */
  .news-carousel {
    flex-wrap: wrap;
    justify-content: center;
  }

  .carousel-track-container {
    flex: 0 0 100%;
    order: -1;
    margin-bottom: 5px;
  }

  .news-card-inner {
    flex-direction: column;
    min-height: auto;
  }

  .news-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    min-height: unset;
    max-height: unset;
  }

  .news-content {
    width: 100%;
    padding: 25px;
  }

  .profile-image {
    width: 150px;
    height: 150px;
  }

  .profile-description {
    text-align: left;
  }
}

/* スマートフォン */
@media (max-width: 480px) {
  :root {
    --section-padding: 50px 15px;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .header {
    padding: 20px 15px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .card-face-text h3 {
    font-size: 1.2rem;
  }

  .card-face-text p {
    font-size: 0.8rem;
  }

  .concept-tagline {
    font-size: 1rem !important;
  }

  /* お知らせカルーセル スマートフォン */
  .news-carousel {
    gap: 10px;
  }

  .carousel-button {
    width: 36px;
    height: 36px;
  }

  .carousel-button svg {
    width: 16px;
    height: 16px;
  }

  .news-image {
    aspect-ratio: 1 / 1;
    min-height: unset;
    max-height: unset;
  }

  .news-content {
    padding: 20px;
  }

  .news-title {
    font-size: 1.1rem;
  }

  .news-text {
    font-size: 0.9rem;
  }

  .profile-image {
    width: 120px;
    height: 120px;
  }

  .social-links {
    flex-wrap: wrap;
    gap: 10px;
  }
}