/* Base Style */
  html,
  body {
      font-family: 'Zen Maru Gothic', sans-serif;
      color: #334155;
      background-color: #fdfdfd;
      letter-spacing: 0.08em;
      font-size: 16px;
      overflow-x: hidden;
      width: 100%;
  }

  /* PC表示時の横スクロール制限 */
  @media screen and (min-width: 769px) {
      body {
          min-width: 1000px;
          overflow-x: hidden;
      }
  }

  /* スマホ表示時はデバイス幅に合わせる */
  @media screen and (max-width: 768px) {
      body {
          overflow-x: hidden;
      }
  }

  /* Hero Title Box Decoration */
  .hero-title-box {
      position: relative;
      padding: 1rem;
      max-width: 90%;
  }

  @media (max-width: 768px) {
      .hero-title-box {
          padding: 2rem 0rem;
      }
  }

  /* Decorative Elements */
  .deco-element {
      position: absolute;
      color: #6B9C89;
      opacity: 0.15;
      pointer-events: none;
      z-index: 0;
  }

  .deco-bg-large {
      font-size: 15rem;
      opacity: 0.05;
      transform: rotate(-15deg);
  }

  .deco-section-edge {
      font-size: 3rem;
      opacity: 0.3;
      color: #DBCFB0;
  }

  /* Three.js Background */
  #canvas-container {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      z-index: -1;
      opacity: 0.25;
      pointer-events: none;
  }

  /* Section Title EN */
  .section-title-en {
      color: #6B9C89;
      font-size: 0.85rem;
      letter-spacing: 0.3em;
      display: block;
      margin-bottom: 0.5rem;
      text-transform: uppercase;
      font-weight: 700;
  }

  /* Soft Card */
  .soft-card {
      background: rgba(255, 255, 255, 0.95);
      border-radius: 2rem;
      box-shadow: 0 10px 40px rgba(58, 90, 77, 0.08);
      transition: transform 0.4s ease, box-shadow 0.4s ease;
      border: 1px solid rgba(239, 245, 243, 0.5);
      position: relative;
      z-index: 10;
  }

  .soft-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 50px rgba(58, 90, 77, 0.15);
  }

  /* Smooth Scroll */
  html {
      scroll-behavior: smooth;
  }

  /* Schedule Table */
  .schedule-table {
      border-collapse: collapse;
      width: 100%;
  }

  .schedule-table th,
  .schedule-table td {
      border-bottom: 1px solid #e2e8f0;
      padding: 1rem 0.5rem;
      text-align: center;
  }

  .schedule-table th {
      color: #3A5A4D;
      font-weight: 700;
      font-size: 1rem;
  }

  .circle {
      color: #6B9C89;
      font-size: 1.4rem;
  }

  .cross {
      color: #cbd5e1;
      font-weight: 300;
  }

  /* Fade In Animation */
  .fade-in-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 1s cubic-bezier(0.2, 1, 0.3, 1), transform 1s cubic-bezier(0.2, 1, 0.3, 1);
  }

  .fade-in-up.visible {
      opacity: 1;
      transform: translateY(0);
  }

  /* Circle Mask for Welcome Slideshow */
  .organic-mask {
      border-radius: 50%;
      overflow: hidden;
      position: relative;
      width: 100%;
      aspect-ratio: 1 / 1;
      /* mask-imageアプローチに戻し、グラデーションを調整して強いぼかしを実現する */
      -webkit-mask-image: radial-gradient(circle, black 60%, transparent 73%);
      mask-image: radial-gradient(circle, black 60%, transparent 73%);

  }

  .organic-mask .splide__list,
  .organic-mask .splide__slide {
      border-radius: 50%;
      -webkit-mask-image: radial-gradient(circle, black 40%, transparent 80%);
      mask-image: radial-gradient(circle, black 40%, transparent 80%);
  }

  /* Mobile Fixed Button */
  .mobile-fixed-btn {
      display: none;
  }

  @media (max-width: 768px) {
      .mobile-fixed-btn {
          display: flex;
          position: fixed;
          bottom: 20px;
          left: 0;
          margin-left: 20px;
          width: calc(100% - 105px);
          z-index: 50;
          box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
          border-radius: 9999px;
          overflow: hidden;
      }
  }

  /* Back to Top Button */
  #back-to-top {
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
  }

  #back-to-top.show {
      opacity: 1;
      visibility: visible;
  }

  /* Custom Input */
  input[type="datetime-local"] {
      font-family: 'Zen Maru Gothic', sans-serif;
      color: #3A5A4D;
  }

  /* Mobile Menu Transition */
  #mobile-menu {
      transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  #mobile-menu.open {
      transform: translateX(0);
  }

  /* Sprout Mask for Main Visual Bottom Image */
  .sprout-container {
      mask-image: linear-gradient(to top, black 80%, transparent 100%);
      -webkit-mask-image: linear-gradient(to top, black 80%, transparent 100%);
  }

  /* Welcome Slideshow Pagination */
  #welcome-slideshow .splide__pagination {
      position: relative;
      bottom: auto;
      padding-top: 1.5rem;
  }

  #welcome-slideshow .splide__pagination__page.is-active {
      background: #6B9C89;
  }

  /* Counselor Text Links */
  .counselor-text-link {
      color: #6B9C89;
      text-decoration: underline !important;
      text-underline-offset: 4px;
      text-decoration-color: rgba(107, 156, 137, 0.4) !important;
      font-weight: 500;
      transition: all 0.3s ease;
  }

  .counselor-text-link:hover {
      color: #3A5A4D;
      text-decoration-color: #3A5A4D !important;
      background-color: rgba(107, 156, 137, 0.05);
  }

  /* Link Section Items */
  .link-item {
      display: flex;
      align-items: center;
      color: #475569;
      font-size: 1.05rem;
      padding: 0.75rem 1.25rem;
      border-radius: 0.75rem;
      background: #fff;
      transition: all 0.3s ease;
      border: 1px solid rgba(107, 156, 137, 0.1);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
      position: relative;
  }

  .link-item:hover {
      color: #6B9C89;
      background: rgba(107, 156, 137, 0.05);
      border-color: #6B9C89;
      transform: translateX(8px);
      box-shadow: 0 4px 12px rgba(107, 156, 137, 0.1);
  }

  /* Clinic Slider Pagination & Arrows outside */
  #clinic-slider .splide__pagination {
      position: relative;
      bottom: auto;
      padding-top: 1rem;
  }

  #clinic-slider .splide__pagination__page.is-active {
      background: #6B9C89;
  }

  @media screen and (min-width: 1024px) {
      #clinic-slider .splide__arrow--prev {
          left: -4rem;
      }

      #clinic-slider .splide__arrow--next {
          right: -4rem;
      }
  }

  #clinic-slider {
      overflow: visible;
  }

  /* Hide native date picker icon to use custom one */
  input[type="date"]::-webkit-calendar-picker-indicator {
      background: transparent;
      bottom: 0;
      color: transparent;
      cursor: pointer;
      height: auto;
      left: 0;
      position: absolute;
      right: 0;
      top: 0;
      width: auto;
      opacity: 0;
      z-index: 1;
  }

  input[type="date"] {
      position: relative;
  }