:root {
      --green: #0f8f83;
      --mint: #eaf8f4;
      --dark: #1f2d3d;
      --text: #263238;
      --muted: #6b7c85;
      --line: #e7eeee;
      --shadow: 0 14px 35px rgba(40, 80, 80, .12);
      --radius: 18px;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: "Noto Sans JP", system-ui, sans-serif;
      color: var(--text);
      background: #f8fcfb;
      line-height: 1.8;
    }

    a { color: inherit; text-decoration: none; }

    .container {
      width: min(1120px, 92%);
      margin: 0 auto;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 10;
      background: rgba(255,255,255,.9);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      height: 94px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      position: relative;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 22px;
    }

    .logo-mark {
      width: 64px;
      height: 30px;
      border-radius: 999px;
      background: linear-gradient(90deg, #21b79b, #ffd166);
    }

    nav {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 14px;
      color: #42505a;
    }

    nav a {
      transition: color .2s ease, background .2s ease;
    }

    nav a:hover {
      color: var(--green);
    }

    nav .nav-contact {
      padding: 8px 16px;
      border-radius: 999px;
      background: var(--green);
      color: #fff;
      font-weight: 700;
      box-shadow: 0 6px 14px rgba(15,143,131,.2);
    }

    nav .nav-contact:hover {
      background: #0c796f;
      color: #fff;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 20px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 700;
      background: var(--green);
      color: #fff;
      box-shadow: 0 8px 18px rgba(15,143,131,.22);
    }

    .btn.sub {
      background: #fff;
      color: var(--green);
      border: 1px solid #cfe9e5;
      box-shadow: none;
    }

    .hero {
      padding: 90px 0 80px;
      background:
        radial-gradient(circle at 15% 20%, #e8fbf7, transparent 35%),
        radial-gradient(circle at 90% 15%, #fff8df, transparent 30%),
        #fff;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 64px;
      align-items: center;
    }

    .eyebrow {
      color: var(--green);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .08em;
      margin-bottom: 14px;
    }

    h1 {
      margin: 0 0 22px;
      font-size: clamp(36px, 5vw, 64px);
      line-height: 1.12;
      letter-spacing: .02em;
      color: #172331;
    }

    .lead {
      color: var(--muted);
      max-width: 620px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 18px;
    }

    .tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag {
      font-size: 12px;
      padding: 6px 12px;
      border-radius: 999px;
      background: #edf7f5;
      color: #27766f;
    }

    .hero-card {
      background: #fff;
      border-radius: 26px;
      padding: 16px;
      box-shadow: var(--shadow);
    }

    .image-placeholder {
      height: 310px;
      border-radius: 18px;
      background-image: url("img/index/mv.jpg");
        background-size: cover;
      display: grid;
      place-items: center;
      color: #7a8a8a;
      font-weight: 700;
    }

    section {
      padding: 72px 0;
    }

    section.mint {
      background: var(--mint);
    }

    .section-head {
      margin-bottom: 28px;
    }

    .section-head h2 {
      margin: 0 0 8px;
      font-size: 30px;
      color: #172331;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
    }

    .cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .card {
      background: #fff;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
      border: 1px solid #edf3f2;
    }

    .card-img {
      height: 150px;
      background: linear-gradient(135deg, #555, #777);
    }
    .card-img1  {
      height: 150px;
      background-image: url("img/index/sec1-01.jpg");
      background-size: cover;
      background-position: center;
    }
    .card-img2 {
      height: 150px;
      background-image: url("img/index/sec1-02.jpg");
      background-size: cover;
      background-position: center;
    }
    .card-img3 {
      height: 150px;
      background-image: url("img/index/sec1-03.jpg");
      background-size: cover;
      background-position: center;
    }
    .card-img11 {
      height: 150px;
      background-image: url("img/indexMainVisual.jpg");
      background-size: cover;
      background-position: center;
    }
    .card-img12 {
      height: 150px;
      background-image: url("img/pixta_98452468.jpg");
      background-size: cover;
      background-position: center;
    }
    .card-img13 {
      height: 150px;
      background-image: url("img/pixta_110641939.jpg");
      background-size: cover;
      background-position: center;
    }
    .card-img14 {
      height: 150px;
      background-image: url("img/pixta_88299373.jpg");
      background-size: cover;
      background-position: center;
    }
    .card-img15 {
      height: 150px;
      background-image: url("img/pixta_129705192.jpg");
      background-size: cover;
      background-position: center;
    }

    .card-body {
      padding: 20px;
    }

    .card h3 {
      margin: 0 0 8px;
      font-size: 17px;
    }

    .card p {
      margin: 0;
      font-size: 14px;
      color: var(--muted);
    }

    .about-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
      margin-bottom: 18px;
    }

    .wide-card {
      background: #fff;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 26px;
    }

    .info-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .organization-info {
      display: grid;
      grid-template-columns: 180px 1fr;
      margin: 34px 0 0;
      overflow: hidden;
      background: #fff;
      border: 1px solid #dce9e6;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .organization-info dt,
    .organization-info dd {
      margin: 0;
      padding: 18px 24px;
      border-bottom: 1px solid var(--line);
    }

    .organization-info dt {
      display: flex;
      align-items: center;
      background: #f1f8f6;
      color: #28534d;
      font-weight: 700;
    }

    .organization-info dd { font-weight: 500; }

    .organization-info dt:last-of-type,
    .organization-info dd:last-of-type { border-bottom: 0; }

    .pdf-documents {
      margin-top: 28px;
      padding: 26px 28px;
      border-radius: 16px;
      background: #f3f9f7;
      border: 1px solid #d7e9e4;
    }

    .pdf-documents h3 { margin: 0 0 14px; font-size: 17px; }

    .pdf-links {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .pdf-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 64px;
      padding: 14px 18px;
      border: 1px solid #cfe4df;
      border-radius: 12px;
      background: #fff;
      color: #0f6b4f;
      font-weight: 700;
    }

    .pdf-link::after {
      content: "PDF";
      padding: 3px 8px;
      border-radius: 5px;
      background: #d94d45;
      color: #fff;
      font-size: 11px;
      letter-spacing: .05em;
    }

    .flow {
      display: grid;
      gap: 12px;
    }

    .flow-item {
      display: grid;
      grid-template-columns: 92px 1fr;
      background: #fff;
      border-radius: 16px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .flow-num {
      background: var(--green);
      color: #fff;
      display: grid;
      place-items: center;
      font-weight: 700;
    }

    .flow-text {
      padding: 18px 24px;
    }

    .flow-text h3 {
      margin: 0 0 4px;
      font-size: 16px;
    }

    .flow-text p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .faq {
      display: grid;
      gap: 10px;
    }

    details {
      background: #fff;
      border-radius: 14px;
      box-shadow: var(--shadow);
      padding: 16px 22px;
    }

    summary {
      cursor: pointer;
      font-weight: 700;
      list-style: none;
    }

    summary::-webkit-details-marker { display: none; }

    details p {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .news {
      background: #fff;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 12px 24px;
    }

    .news-item {
      display: grid;
      grid-template-columns: 130px 1fr;
      gap: 18px;
      padding: 16px 0;
      border-bottom: 1px solid var(--line);
      font-size: 14px;
    }

    .news-item:last-child {
      border-bottom: 0;
    }

    .date {
      color: var(--green);
      font-weight: 700;
    }

    .contact-box {
      background: var(--green);
      color: #fff;
      border-radius: 24px 24px 0 0;
      padding: 28px 34px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    form {
      background: #fff;
      padding: 28px 34px;
      border-radius: 0 0 24px 24px;
      box-shadow: var(--shadow);
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    input, textarea, select {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 13px 14px;
      font: inherit;
      background: #fff;
    }

    textarea {
      min-height: 120px;
      grid-column: 1 / -1;
    }

    .contact-section {
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, #0f8f83, #087168);
      color: #fff;
    }

    .contact-section::before {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      top: -220px;
      right: -80px;
      border-radius: 50%;
      background: rgba(255, 209, 102, .16);
    }

    .contact-inner {
      position: relative;
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      align-items: center;
      gap: 56px;
    }

    .contact-label {
      margin: 0 0 6px;
      color: #c9f3eb;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .16em;
    }

    .contact-copy h2 {
      margin: 0 0 12px;
      font-size: 32px;
    }

    .contact-copy > p:last-child {
      margin: 0;
      color: rgba(255,255,255,.85);
    }

    .contact-tel-wrap {
      padding: 24px 28px;
      border: 1px solid rgba(255,255,255,.28);
      border-radius: 18px;
      background: rgba(255,255,255,.12);
      text-align: center;
      backdrop-filter: blur(6px);
    }

    .contact-tel-label {
      display: block;
      margin-bottom: 4px;
      font-size: 13px;
    }

    .contact-tel {
      display: block;
      color: #fff;
      font-size: clamp(27px, 3vw, 36px);
      font-weight: 800;
      line-height: 1.35;
      letter-spacing: .03em;
    }

    footer {
      position: relative;
      padding: 48px 0 24px;
      background: linear-gradient(135deg, #182f32, #102426);
      color: rgba(255,255,255,.78);
      font-size: 15px;
    }

    footer::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, #21b79b, #ffd166);
    }

    .footer-name {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 20px;
    }

    .footer-mark {
      display: inline-block;
      width: 50px;
      height: 23px;
      border-radius: 999px;
      background: linear-gradient(90deg, #21b79b, #ffd166);
    }

    .footer-description {
      margin: 8px 0 0 62px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 48px;
    }

    .footer-info {
      padding-left: 32px;
      border-left: 1px solid rgba(255,255,255,.16);
    }

    .footer-info p {
      display: grid;
      grid-template-columns: 50px 1fr;
      gap: 12px;
      margin: 5px 0;
    }

    .footer-info span {
      color: #8fd8cb;
      font-weight: 700;
    }

    .footer-info a {
      color: #fff;
      font-size: 17px;
      font-weight: 700;
    }

    .copyright {
      margin: 34px 0 0;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.12);
      text-align: center;
      font-size: 13px;
      width: 100%;
      max-width: none;
      color: rgba(255,255,255,.56);
    }

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 10px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--dark);
  border-radius: 999px;
  margin: 5px 0;
}

.about-grid .card-img,
.info-grid .card-img {
  height: 150px;
  background: linear-gradient(135deg, #555, #777);
}

.about-grid .wide-card,
.info-grid .wide-card {
  padding: 0;
  overflow: hidden;
}

.about-grid .wide-card h3,
.info-grid .wide-card h3,
.about-grid .wide-card p,
.info-grid .wide-card p {
  padding-left: 20px;
  padding-right: 20px;
}

.about-grid .wide-card h3,
.info-grid .wide-card h3 {
  margin-top: 20px;
}

.about-grid .wide-card p,
.info-grid .wide-card p {
  padding-bottom: 20px;
}

/* H2直下のリード文を少し大きく・太く */
.section-lead {
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  font-weight: 700;
  line-height: 1.8;
  color: #183b2f;
}

/* 受け入れの流れ：タブ全体 */
.flow-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  margin: 36px 0 0;
  position: relative;
  z-index: 2;
}

/* タブボタン */
.flow-tab {
  min-width: 200px;
  padding: 16px 28px;
  border: 1px solid #0f6b4f;
  border-bottom: none;
  background: #eef6f2;
  color: #0f6b4f;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border-radius: 14px 14px 0 0;
  transition: 0.2s ease;
}

.flow-tab + .flow-tab {
  margin-left: 8px;
}

.flow-tab:hover {
  background: #dfeee8;
}

/* 開いているタブ */
.flow-tab.is-active {
  background: #fff;
  color: #0f6b4f;
  position: relative;
}

/* 枠線とつながって見えるように */
.flow-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: #fff;
}

/* パネル */
.flow-panel {
  display: none;
  border: 1px solid #0f6b4f;
  border-radius: 18px;
  padding: 36px 32px;
  background: #fff;
  margin-top: -1px;
}

/* 表示中パネル */
.flow-panel.is-active {
  display: block;
}

/* スマホ調整 */
@media (max-width: 767px) {
  .flow-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0;
  }

  .flow-tab {
    min-width: 150px;
    padding: 13px 18px;
    font-size: 0.95rem;
  }

  .flow-panel {
    padding: 28px 18px;
    border-radius: 0 14px 14px 14px;
  }
}

@media (max-width: 1080px) {
  nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  nav.is-open { display: flex; }

  nav a {
    padding: 13px 14px;
    border-bottom: 1px solid var(--line);
  }

  nav a:last-child { border-bottom: 0; }

  nav .nav-contact {
    padding: 13px 14px;
    border-radius: 8px;
    box-shadow: none;
  }

  .header-cta {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .logo { gap: 8px; font-size: 17px; }
  .logo-mark { width: 48px; height: 23px; }
}
/* summaryのデフォルト矢印を消す */
.faq-question {
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

/* 質問部分 */
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 20px 0;
  font-weight: 700;
}

/* 汎用アイコン */
.ui-icon {
  display: inline-block;
  width: 0.75em;
  height: 0.75em;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(135deg);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

/* 閉じている時 */
details:not([open]) .ui-icon--accordion {
  transform: rotate(45deg);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  color: #0f6b4f;
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

.ui-icon--link {
  width: 0.6em;
  height: 0.6em;
}


.anchor-target,
section[id] {
  scroll-margin-top: 110px;
}


    @media (max-width: 900px) {
      nav { display: none; }

      .hero-grid,
      .cards,
      .about-grid,
      .info-grid,
      .form-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .hero {
        padding-top: 64px;
      }

      .contact-inner {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .contact-copy br {
        display: none;
      }

      .contact-tel-wrap {
        padding: 22px 18px;
      }

      footer {
        padding-top: 40px;
      }

      .footer-grid {
        gap: 28px;
      }

      .footer-info {
        padding: 24px 0 0;
        border-top: 1px solid rgba(255,255,255,.16);
        border-left: 0;
      }

      .footer-description {
        margin-left: 0;
      }

      .contact-box {
        flex-direction: column;
        align-items: flex-start;
      }

      .flow-item {
        grid-template-columns: 70px 1fr;
      }

      .organization-info { grid-template-columns: 1fr; }
      .organization-info dt,
      .organization-info dd { border-bottom: 1px solid var(--line); }
      .organization-info dt { padding-bottom: 8px; }
      .organization-info dd { padding-top: 8px; }
      .organization-info dd:last-of-type { border-bottom: 0; }
      .pdf-links { grid-template-columns: 1fr; }
    }