html {
  font-size: 18px;
}

@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-size: 1rem; /* 使用 rem 让内容跟随 html 的 font-size 缩放 */
  line-height: 1.7;
  margin: 0;
  font-family: sans-serif;
  transform-origin: top center;
}


.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

nav {
  display: flex;
  gap: 1rem;
}

nav.open {
  display: flex;
  flex-direction: column;
}

.menu-toggle {
  display: none;
  background: none;
  font-size: 2rem;
  border: none;
  cursor: pointer;
}

.language-switcher {
  text-align: right;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}
.language-switcher a {
  margin-left: 1rem;
  color: #0070f3;
  text-decoration: none;
}
.language-switcher a:hover {
  text-decoration: underline;
}

.hero {
  position: relative;
  overflow: hidden;
  height: 70vh;
}
.slider-wrapper {
  position: relative;
  height: 100%;
  overflow: hidden;
}

.slider {
  display: flex;
  transition: transform 0.8s ease;
}

.slide {
  width: 100vw;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0;
  color: white;
  text-shadow: 1px 1px 4px black;
}
.slide h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.slide p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.cta-button {
  background: white;
  color: #005bbb;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
}
.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  font-size: 2rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  z-index: 10;
}
.arrow.left {
  left: 10px;
}
.arrow.right {
  right: 10px;
}

.section {
  padding: 4rem 1rem;
  max-width: 1400px; /* 原来是1140px，建议改为更宽 */
  margin: auto;
  font-size: 1.1rem; /* 字体整体再放大一点 */
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}

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

footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
}

.contact-info p {
  margin: 0.3rem 0;
}

.social-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.social-links img {
  margin: 0 0.5rem;
}

img {
  max-width: 100%;
  height: auto;
}

/* コンセプト動画と説明 */
.concept-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
  justify-content: center;
  flex-direction: row;
}
.concept-video {
  flex: 1 1 600px;
  max-width: 700px;
}
.concept-text {
  flex: 1 1 400px;
  max-width: 500px;
}
.concept-text p {
  font-size: 1.2rem;
  line-height: 1.8;
}
.concept-video iframe {
  width: 100%;
  height: 420px;
}

/* ツアー写真 */
.tour-photos {
  display: flex;
  flex-direction: row;
  gap: 1.5rem;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.tour-photos img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

/* バス車両 */
.fleet-grid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.fleet-item {
  width: 220px;
  text-align: center;
}
.fleet-item img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 0.8rem;
}

/* サービスボックス */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.2rem;
  justify-items: center;
  margin-top: 2rem;
}
.service-box {
  background: none;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  width: 100%;
  max-width: 250px;
}
.service-box img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

/* モバイル対応 */
@media (max-width: 768px) {
  .concept-container {
    flex-direction: column;
    align-items: center;
  }
  .concept-video, .concept-text {
    max-width: 100%;
  }
  .concept-video iframe {
    height: 240px;
  }
  .slide h1 {
    font-size: 1.6rem;
  }
  .slide p {
    font-size: 1rem;
  }
  nav {
    display: none;
  }
  nav.open {
    display: flex;
    flex-direction: column;
  }
  .menu-toggle {
    display: block;
  }
}
.contact-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-top: 2rem;
}

.contact-info-box, .contact-form-box {
  flex: 1 1 400px;
  background: #f9f9f9;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.contact-info-box h3,
.contact-form-box h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.4rem;
  color: #005bbb;
}

.contact-info-box p {
  margin: 0.5rem 0;
  line-height: 1.6;
}

/* 表单内 iframe 高度在小屏时自适应 */
@media (max-width: 768px) {
  .contact-wrapper {
    flex-direction: column;
  }

  .contact-info-box, .contact-form-box {
    width: 100%;
  }

  .contact-form-box iframe {
    height: 600px;
  }
}
html {
  scroll-behavior: smooth;
}
.flow-container {
  background: linear-gradient(to bottom right, #f0f8ff, #e0f0ff);
  padding: 30px 20px;
  font-family: "Arial", sans-serif;
  text-align: center;
  border-radius: 16px;
  box-shadow: 0 0 15px rgba(0, 128, 255, 0.2);
  width: 95%;
  max-width: 1000px;
  margin: 40px auto;
}

.flow-title {
  color: #e3007f;
  font-weight: bold;
  font-size: 24px;
  margin-bottom: 20px;
}

.flow-steps {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.step {
  background: #d0f0ff;
  padding: 12px 20px;
  border-radius: 50px;
  border: 2px solid #0099ff;
  font-weight: bold;
  min-width: 100px;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.15);
  transition: transform 0.2s ease;
}

.step:hover {
  transform: scale(1.05);
}

.step.done {
  background: #fff94f;
  border: 2px solid #ffcc00;
  animation: pulse 1.2s infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.check {
  font-size: 20px;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 204, 0, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(255, 204, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 204, 0, 0); }
}

.arrow-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
}
  
.flow-note {
  font-size: 14px;
  color: #e3007f;
  line-height: 1.6;
  margin-top: 10px;
}

.bus-card {
  width: 100%;
  max-width: 240px;
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  text-align: center;
  transition: transform 0.3s;
}
.bus-card {
  max-width: 280px; /* 原为220px/240px */
  font-size: 1.1rem;
}
.bus-card h3 {
  font-size: 1.2rem;
}
.bus-info {
  font-size: 1rem;
}


.bus-card:hover {
  transform: scale(1.03);
}


.bus-card {
  width: 220px;
  text-align: center;
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}



.bus-card h3 {
  margin: 0.5rem 0 0.3rem;
  font-size: 1.1rem;
}

.bus-card p {
  color: #0070c0;
  font-size: 0.95rem;
}

.bus-details-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-top: 2rem;
}

.{
  flex: 1 1 400px;
  max-width: 480px;
  background: #f5faff;
  padding: 1.2rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.bus-detail-box h4 {
  margin-bottom: 0.8rem;
  color: #003366;
  font-size: 1.1rem;
}

.bus-detail-box img {
  width: 100%;
  max-width: 600px;         /* 控制宽度不超过容器 */
  aspect-ratio: 16 / 9;     /* 横向长方形比例 */
  object-fit: cover;
  border-radius: 8px;
  margin: 0 auto 1rem;      /* 上下留白，左右居中 */
  display: block;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}


.bus-details-grid {
  justify-content: center;
  gap: 3rem;
}
.bus-detail-box {
  flex: 1 1 480px;
  max-width: 640px;
  text-align: center;
}




.bus-detail-box p {
  font-size: 0.95rem;
  color: #333;
  line-height: 1.6;
}
.spot-gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.spot-item {
  width: 160px;
  text-align: center;
}


.spot-item p {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: #333;
  font-weight: 500;
}

/* 修改为排除 .fukuoka-tour-inline 区块 */
.spot-gallery:not(.fukuoka-tour-inline) .spot-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.spot-gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-bottom: 2rem;
}
.spot-item-with-label {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.spot-label {
  font-size: 1.1rem;
  font-weight: bold;
  white-space: nowrap;
}
.spot-item.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 180px;
  text-align: center;
  background: #fff;
  padding: 1rem;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.spot-item.card img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  margin: 0.8rem 0;
}

.card-title {
  font-size: 1rem;
  color: #005bbb;
  font-weight: bold;
  margin-bottom: 0.2rem;
}
.spot-item-with-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #fff;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.spot-label {
  font-size: 1.2rem;
  font-weight: bold;
  color: #005bbb;
  white-space: nowrap;
}

.spot-item-with-label .spot-item {
  width: 140px;
  text-align: center;
}

.spot-item-with-label img {
  width: 100%;
  border-radius: 50%;
  object-fit: cover;
  aspect-ratio: 1/1;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.spot-item-with-label p {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: #333;
}
.fukuoka-tour-inline {
  display: flex;
  align-items: center;
  justify-content: flex-start; /* ✅ 改为左对齐 */
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}


.fukuoka-tour-text {
  font-size: 1.4rem;
  font-weight: bold;
  color: #005bbb;
  white-space: nowrap;
}
.spot-gallery.fukuoka-tour-inline .spot-item img {
  width: 220px !important;
  height: 220px !important;
  object-fit: cover;
  border-radius: 0 !important;
  aspect-ratio: 1 / 1 !important;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  display: block;
}
.fukuoka-tour-group {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
  flex-wrap: nowrap;
}

.fukuoka-tour-label {
  font-size: 1.4rem;
  font-weight: bold;
  color: #005bbb;
  white-space: nowrap;
}

.fukuoka-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: flex-start;
}

.fukuoka-gallery .spot-item img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.fukuoka-gallery .spot-item {
  text-align: center;
}
/* 对英文页面中 Fukuoka / Kumamoto Day Trip 中图片强制正方形 */
.spot-gallery.fukuoka-tour-inline .spot-item img,
.spot-gallery.five-columns.fukuoka-tour-inline .spot-item img,
.fukuoka-gallery .spot-item img {
  width: 220px !important;
  height: 220px !important;
  object-fit: cover;
  border-radius: 0 !important;
  aspect-ratio: 1 / 1 !important;
  display: block;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}
.fukuoka-tour-group {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
  flex-wrap: nowrap;
}

.fukuoka-tour-label {
  font-size: 1.4rem;
  font-weight: bold;
  color: #005bbb;
  white-space: nowrap;
}

.fukuoka-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: flex-start;
}

.fukuoka-gallery .spot-item img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.fukuoka-gallery .spot-item {
  text-align: center;
}

.fukuoka-tour-group {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
  flex-wrap: nowrap;
}

.fukuoka-tour-label {
  font-size: 1.4rem;
  font-weight: bold;
  color: #005bbb;
  white-space: nowrap;
}

.fukuoka-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: flex-start;
}

.fukuoka-gallery .spot-item img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.fukuoka-gallery .spot-item {
  text-align: center;
}
iframe {
  background-color: black;
}
/* お問い合わせフォーム美化 */
.custom-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.custom-form label {
  font-weight: bold;
  color: #333;
  margin-bottom: 0.2rem;
}

.custom-form input,
.custom-form select,
.custom-form textarea {
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.custom-form input:focus,
.custom-form select:focus,
.custom-form textarea:focus {
  border-color: #0070f3;
  outline: none;
}

.custom-form button {
  background-color: #0070f3;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.custom-form button:hover {
  background-color: #005bbb;
}
.contact-table-form table {
  width: 100%;
  border-collapse: collapse;
}

.contact-table-form th {
  text-align: left;
  vertical-align: top;
  padding: 0.6rem;
  background: #f0f8ff;
  color: #005bbb;
  width: 30%;
}

.contact-table-form td {
  padding: 0.6rem;
}

.contact-table-form input,
.contact-table-form select,
.contact-table-form textarea {
  width: 100%;
  padding: 0.6rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-sizing: border-box;
}

.contact-table-form button {
  background-color: #0070f3;
  color: white;
  padding: 0.8rem 2rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.contact-table-form button:hover {
  background-color: #005bbb;
}
.bus-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1rem;
}


.bus-info {
  font-size: 0.95rem;
  font-family: monospace;
  color: #0070c0;
  white-space: nowrap;
  text-align: center;
  line-height: 1.6;
  min-height: 1.6em; /* 保证高度一致 */
}
.bus-type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 强制一行显示4个 */
  gap: 2rem;
  justify-items: center;
  align-items: start;
  margin-bottom: 3rem;
}
@media (max-width: 1024px) {
  .bus-type-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .bus-type-grid {
    grid-template-columns: 1fr;
  }
}
#recruit h3,
#recruit p {
  font-size: 1.1rem;
  line-height: 1.8;
}
.service-box img {
  aspect-ratio: 4/3;
}

.service-box p {
  font-size: 1rem;
}
.bus-detail-img {
  width: 100%;
  max-width: 600px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  margin: 0 auto 1rem;
  display: block;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
html {
  font-size: 18px;
}
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
}