body {
  font-family: 'Yu Mincho', 'Hiragino Mincho ProN', serif;
  color: #333;
  background-color: #f9f9f9;
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

/* ヘッダー */
header {
  background: linear-gradient(135deg, #013220 0%, #1a4d35 100%);
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  box-sizing: border-box;
  z-index: 1000;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #c8a951, #f4e775);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

nav a {
  color: white;
  margin-left: 1rem;
  text-decoration: none;
  font-weight: bold;
  position: relative;
  transition: all 0.3s ease;
  font-size: 1.0rem;
  white-space: nowrap;
}

nav a:hover {
  color: #c8a951;
  transform: translateY(-2px);
}

nav a:after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #c8a951;
  transition: width 0.3s ease;
}

nav a:hover:after {
  width: 100%;
}

/* ヒーローセクション */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.35)), 
              url('image/uraniwa.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  color: white;
  overflow: hidden;
}

.hero-content {
  max-width: 850px;
  padding: 2rem;
  animation: fadeInUp 1.8s ease;
}

.hero h2 {
  font-size: 3.2rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff, #c8a951);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.8);
}

.hero p {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  color: #f3f3f3;
  text-shadow: 1px 1px 6px rgba(0,0,0,0.7);
}

.cta-button {
  display: inline-block;
  padding: 15px 35px;
  background: linear-gradient(135deg, #c8a951, #f4e775);
  color: #013220;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(200, 169, 81, 0.4);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(200, 169, 81, 0.6);
}

/* メインコンテンツ */
main {
  margin-top: 80px; /* ヘッダーの高さ分のマージン */
  padding: 2rem;
}

main h2 {
  margin-top: 2rem;
}

section {
  padding: 4rem 2rem;
  max-width: 900px;
  margin: auto;
}

footer {
  background: #013220;
  color: white;
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
}

/* アニメーション */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* レスポンシブ */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 1rem;
    position: fixed;
    height: auto;
  }
  
  header h1 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
  }
  
  nav {
    margin-top: 0.5rem;
    justify-content: center;
  }
  
  nav a {
    margin: 0 0.5rem;
    font-size: 0.8rem;
  }
  
  /* レスポンシブ時のメインコンテンツ調整 */
  main {
    margin-top: 120px; /* レスポンシブ時はヘッダーが高くなるため */
  }
  
  .hero {
    height: 100vh;
    background-attachment: scroll; /* モバイルでは固定背景を無効化 */
  }
  
  .hero h2 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .cta-button {
    padding: 12px 25px;
    font-size: 0.9rem;
  }
  
  section {
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 0.8rem;
  }
  
  header h1 {
    font-size: 1.2rem;
  }
  
  nav a {
    margin: 0 0.3rem;
    font-size: 0.75rem;
  }
  
  main {
    margin-top: 130px;
    padding: 1rem;
  }
  
  .hero h2 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
}

/* スライドショーのレスポンシブ対応 */
/* 既存のstyle.cssに追加してください */

.slideshow {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

/* タブレット対応 (768px以下) */
@media (max-width: 768px) {
  .slideshow {
    max-width: 100%;
    border-radius: 6px;
  }
  
  .season {
    padding: 2rem 0;
  }
  
  .season h3 {
    font-size: 1.4rem;
    padding: 0 1rem;
  }
}

/* スマートフォン対応 (480px以下) */
@media (max-width: 480px) {
  .slideshow {
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  }
  
  .season {
    padding: 1.5rem 0;
  }
  
  .season h3 {
    font-size: 1.2rem;
    padding: 0 0.5rem;
  }
}

/* ===========================
   FAQセクション（カード形式）
   =========================== */
.faq-section {
  text-align: center;
  margin: 60px auto;
  max-width: 1100px;
  padding: 2rem;
}

.faq-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 40px;
  color: #013220;
  position: relative;
  display: inline-block;
}

.faq-title::after {
  content: "";
  display: block;
  width: 120px;
  height: 3px;
  background: linear-gradient(135deg, #c8a951, #f4e775);
  margin: 10px auto 0;
  border-radius: 2px;
}

.faq-container {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  justify-content: center;
}

.faq-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  width: 300px;
  padding: 25px;
  text-align: left;
  transition: all 0.3s ease;
  border-top: 5px solid #c8a951;
}

.faq-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.question {
  color: #013220;
  font-weight: bold;
  margin-bottom: 10px;
  font-size: 1.05em;
}

.answer {
  color: #444;
  font-size: 0.95em;
  line-height: 1.6;
}

/* スマホ対応 */
@media (max-width: 768px) {
  .faq-card {
    width: 100%;
  }
}

main h2 {
  margin-top: 2rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: #013220;
  position: relative;
  display: inline-block;
  margin-bottom: 40px;
}

main h2::after {
  content: "";
  display: block;
  width: 120px;
  height: 3px;
  background: linear-gradient(135deg, #c8a951, #f4e775);
  margin: 10px auto 0;
  border-radius: 2px;
}

/*ここより下*/
<style>
.photo-frame-set {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 30px 0;
}
.photo-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.photo-large {
  flex: 2;
  border-radius: 10px;
  overflow: hidden;
}
.photo-small-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.photo-frame-set img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: transform 0.4s ease;
}
.photo-frame-set img:hover {
  transform: scale(1.03);
}
@media (max-width: 800px) {
  .photo-row {
    flex-direction: column;
  }
}
</style>

/* sekiban2.jpg 等のレスポンシブ画像用スタイル */
.image-full {
  max-width: 600px;
  margin: 1.5rem auto;
  padding: 0 1rem;
  text-align: center;
}

.image-full .img-wrap {
  width: 100%;
  /* 比率は写真に合わせて 3/2 や 16/9 に調整してください */
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

.image-full img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* 中心を維持しつつトリミング */
  display: block;
}

/* 小さい画面で見切れを減らす */
@media (max-width: 600px) {
  .image-full {
    padding: 0 0.75rem;
  }
  .image-full .img-wrap {
    aspect-ratio: 4 / 3;
  }
  .zenkei-caption {
    font-size: 0.9rem;
  }
}

/* ===== フェードスライドショー ===== */
.fade-slider {
  position: relative;
  width: 100%;
  max-width: 900px;
  height: 450px;
  margin: 20px auto 40px;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

.top-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.top-slide.active {
  opacity: 1;
  z-index: 1;
}

.top-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 一句（キャプション） */
.slide-caption {
  position: absolute;
  bottom: 25px;
  right: 25px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  padding: 12px 18px;
  border-radius: 6px;
  font-size: 1rem;
  letter-spacing: 0.15em;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* スマホ対応 */
@media (max-width: 600px) {
  .fade-slider {
    height: 260px;
  }

  .slide-caption {
    font-size: 0.85rem;
    bottom: 15px;
    right: 15px;
    padding: 8px 12px;
  }
}

/* ===== 四季グリッド ===== */
.seasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 40px auto 80px;
  padding: 0 1rem;
}

.season-card {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  aspect-ratio: 3 / 4;
  background: #000;
}

.season-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease, transform 0.6s ease;
}

.season-card h3 {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 14px 0;
  text-align: center;
  font-size: 1.2rem;
  letter-spacing: 0.3em;
  color: #fff;
  background: linear-gradient(to top, rgba(0,0,0,0.65), rgba(0,0,0,0));
  font-family: "Yu Mincho", serif;
}

.season-card:hover img {
  transform: scale(1.05);
}

/* 季節ごとの色味 */
.spring img { filter: saturate(1.1) brightness(1.05); }
.summer img { filter: saturate(1.2); }
.autumn img { filter: saturate(1.15) contrast(1.05); }
.winter img { filter: brightness(0.95); }

/* ===== 矢印 ===== */
.season-card .arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  color: #fff;
  border: none;
  font-size: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  transition: background 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}

.season-card:hover .arrow {
  opacity: 1;
  pointer-events: auto;
}

.season-card .arrow.left { left: 10px; }
.season-card .arrow.right { right: 10px; }

.season-card .arrow:hover {
  background: rgba(0,0,0,0.7);
  transform: translateY(-50%) scale(1.05);
}

/* ===== レスポンシブ ===== */
@media (max-width: 900px) {
  .seasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .seasons-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .season-card {
    aspect-ratio: 4 / 3;
  }
}