:root {
  --ink: #243b3c;
  --muted: #637b7c;
  --paper: #f7fcff;
  --white: #ffffff;
  --leaf: #2e8f78;
  --leaf-soft: #e5f7ef;
  --ocean: #4db5c3;
  --coral: #e98288;
  --coral-dark: #ca6873;
  --shell: #fff3d8;
  --line: #d5ebe7;
  --shadow: 0 18px 55px rgba(45, 126, 130, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #f7fcff 0%, #f5fbf7 56%, #fffaf0 100%);
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px 32px;
  background: rgba(247, 252, 255, 0.96);
  border-bottom: 1px solid rgba(213, 235, 231, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: grid;
  gap: 1px;
  min-width: 240px;
}

.brand-en {
  color: var(--leaf);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.95rem;
}

.brand-ja {
  font-size: 0.78rem;
  color: var(--muted);
}

.brand-amp {
  color: #c9a96e;
  font-weight: 700;
  margin-right: 4px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  margin-left: auto;
  color: #315052;
  font-size: 0.92rem;
}

.nav a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a.is-active {
  border-color: var(--coral);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.header-cta {
  color: var(--white);
  background: var(--coral);
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: 76svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--leaf);
}

.hero-slideshow {
  position: absolute;
  inset: 0;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slide {
  opacity: 0;
  transform: scale(1.04);
  animation: heroFade 18s infinite;
}

.hero-slide:nth-child(1) {
  animation-delay: 0s;
}

.hero-slide:nth-child(2) {
  animation-delay: 6s;
}

.hero-slide:nth-child(3) {
  animation-delay: 12s;
}

@keyframes heroFade {
  0% {
    opacity: 0;
    transform: scale(1.04);
  }

  8%,
  33% {
    opacity: 1;
  }

  42%,
  100% {
    opacity: 0;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    animation: none;
  }

  .hero-slide:first-child {
    opacity: 1;
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1060px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 72px;
  color: #fffaf0;
  text-shadow:
    0 2px 8px rgba(40, 25, 10, 0.78),
    0 0 26px rgba(40, 25, 10, 0.55);
}

.hero h1,
.hero .hero-copy {
  color: #fffaf0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #fffaf0;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-size: 3.6rem;
  line-height: 1.15;
  font-weight: 600;
}

.hero-copy {
  max-width: 600px;
  margin-bottom: 28px;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions .button {
  min-height: 56px;
  padding: 0 30px;
  font-size: 1.05rem;
  border-radius: 10px;
  text-shadow: none;
}

.button.primary {
  color: var(--white);
  background: var(--coral);
  box-shadow: 0 10px 28px rgba(151, 75, 86, 0.22);
}

.button.primary:hover,
.header-cta:hover {
  background: var(--coral-dark);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.12);
}

.hero .button.secondary {
  color: #2f5a3d;
  border: 1px solid #6fbf7f;
  background: rgba(255, 255, 255, 0.85);
  transition: color .2s, background .2s, border-color .2s;
}

.hero .button.secondary:hover {
  color: #ffffff;
  background: #3f8b53;
  border-color: #3f8b53;
}


.button.outline {
  color: var(--leaf);
  border: 1px solid var(--leaf);
  background: transparent;
}

.button.outline:hover {
  color: var(--white);
  background: var(--leaf);
}

.quick-band {
  width: min(1100px, calc(100% - 40px));
  margin: -34px auto 0;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.quick-band div {
  min-height: 88px;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
}

.quick-band div:last-child {
  border-right: 0;
}

.quick-label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.quick-band strong {
  display: block;
  margin-top: 3px;
  color: #2b7f70;
  font-size: 1.22rem;
}

.section {
  padding: 88px 24px;
}

.section-heading {
  width: min(850px, 100%);
  margin: 0 auto 38px;
  text-align: center;
}

.section-heading.narrow {
  width: min(720px, 100%);
}

.section-heading h2,
.activity-panel h2,
.contact-section h2 {
  margin-bottom: 16px;
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-size: 2.4rem;
  line-height: 1.26;
  font-weight: 600;
}

.section-heading p {
  color: var(--muted);
  font-size: 1rem;
}

.section-actions {
  width: min(1100px, 100%);
  margin: 28px auto 0;
  display: flex;
  justify-content: center;
}

.intro-grid {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.info-card,
.teacher,
.flow-list li,
.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(45, 126, 130, 0.07);
}

.info-card {
  padding: 28px;
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  color: var(--white);
  background: var(--ocean);
  border-radius: 50%;
  font-family: Georgia, "Times New Roman", serif;
}

.info-card h3,
.teacher h3,
.flow-list h3 {
  margin-bottom: 10px;
  font-size: 1.24rem;
}

.info-card p,
.teacher p,
.flow-list p,
.faq-list p,
.activity-panel p,
.contact-section p {
  color: var(--muted);
}

.lesson-section {
  background: var(--leaf-soft);
}

.feature-band {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 36px;
  align-items: center;
  padding: 86px max(24px, calc((100% - 1100px) / 2));
  color: var(--white);
  background: var(--leaf);
}

.feature-copy h2,
.page-hero h1,
.page-copy h2,
.page-section h2,
.contact-card h2 {
  margin-bottom: 16px;
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-size: 2.35rem;
  line-height: 1.25;
  font-weight: 600;
}

.feature-copy p {
  color: rgba(255, 255, 255, 0.84);
}

.feature-copy .eyebrow {
  color: #e6fff7;
}

.feature-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-points article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.feature-points h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.feature-points p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
}

.lesson-layout {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
  align-items: stretch;
}

.lesson-photo {
  min-height: 100%;
  border-radius: 8px;
  overflow: hidden;
}

.lesson-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.schedule-wrap {
  overflow: hidden;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.schedule {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.schedule caption {
  padding: 20px 22px;
  color: var(--leaf);
  text-align: left;
  font-weight: 700;
  font-size: 1.12rem;
}

.schedule th,
.schedule td {
  padding: 16px 18px;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.schedule th {
  color: var(--leaf);
  background: #eef9f7;
  font-size: 0.86rem;
}

.price-note {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
}

.price-note p {
  margin: 0;
  padding: 18px;
  color: var(--ink);
}

.price-note p + p {
  border-left: 1px solid var(--line);
}

.teachers {
  background: var(--paper);
}

.teacher-grid {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.teacher {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding: 20px;
}

.teacher img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
}

.teacher-role {
  margin-bottom: 4px;
  color: var(--coral);
  font-weight: 700;
  font-size: 0.9rem;
}

.simple-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.simple-list li {
  padding: 8px 0 8px 18px;
  border-top: 1px solid var(--line);
  position: relative;
  color: #385254;
}

.simple-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 6px;
  background: #f2b35d;
  border-radius: 50%;
}

.activity {
  min-height: 560px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--leaf);
}

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

.activity-panel {
  display: grid;
  align-content: center;
  padding: 72px;
  color: var(--white);
}

.activity-panel .eyebrow,
.contact-section .eyebrow {
  color: #e6fff7;
}

.activity-panel p {
  color: rgba(255, 255, 255, 0.82);
}

.activity-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.activity-list span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  color: var(--white);
  font-size: 0.9rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 16px;
  color: var(--coral-dark);
  font-weight: 700;
}

.text-link::after {
  content: ">";
  font-family: Georgia, "Times New Roman", serif;
}

.text-link:hover {
  color: var(--leaf);
}

.text-link.light {
  color: #e6fff7;
}

.text-link.light:hover {
  color: #fffaf0;
}

.news-section {
  background: var(--paper);
}

.news-grid {
  width: min(980px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.news-card {
  min-height: 230px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(45, 126, 130, 0.07);
}

.news-card h3 {
  margin-bottom: 10px;
  font-size: 1.28rem;
}

.news-card p {
  color: var(--muted);
}

.news-date {
  margin-bottom: 8px;
  color: var(--coral-dark) !important;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.inline-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  color: #2b7f70;
  background: #edf9f3;
  border-radius: 8px;
  font-weight: 700;
}

/* お知らせ内のSNSアイコン（ラベル付き） */
.sns-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
}

.sns-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: transform .18s;
}

.sns-card:hover {
  transform: translateY(-2px);
}

.sns-card .sns-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #fff;
  transition: filter .18s;
}

.sns-card:hover .sns-icon {
  filter: brightness(1.1);
}

.sns-card .sns-icon svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.sns-card .sns-icon.ig {
  background: linear-gradient(45deg, #f58529 0%, #dd2a7b 40%, #8134af 70%, #515bd4 100%);
}

.sns-card .sns-icon.fb {
  background: #1877f2;
}

.sns-card .sns-icon.yt {
  background: #ff0000;
}

.sns-card .sns-label {
  font-size: 0.78rem;
  color: var(--ink);
  white-space: nowrap;
}

.flow-list {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.flow-list li {
  padding: 26px;
}

.flow-list span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  color: var(--white);
  background: var(--ocean);
  border-radius: 50%;
  font-family: Georgia, "Times New Roman", serif;
}

.faq {
  background: var(--shell);
}

.faq-list {
  width: min(850px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 0 22px;
}

.faq-list summary {
  cursor: pointer;
  padding: 20px 0;
  color: var(--leaf);
  font-weight: 700;
}

.faq-list p {
  margin-bottom: 20px;
}

.contact-section {
  width: min(1100px, calc(100% - 40px));
  margin: 88px auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px;
  color: var(--white);
  background: linear-gradient(135deg, #4db5c3, #2e8f78);
  border-radius: 8px;
}

.contact-section h2 {
  margin-bottom: 10px;
}

.contact-section p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.84);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 32px;
  color: var(--white);
  background: #234745;
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a {
  color: #e6fff7;
}

.footer-title {
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.02rem;
}

.page-hero {
  position: relative;
  min-height: 420px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--leaf);
}

.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: transparent;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  width: min(1060px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 64px;
  color: #fffaf0;
  text-shadow:
    0 2px 8px rgba(40, 25, 10, 0.78),
    0 0 26px rgba(40, 25, 10, 0.55);
}

.page-hero .eyebrow {
  color: #fffaf0;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.page-hero h1 {
  max-width: 760px;
  font-size: 3rem;
  color: #fffaf0;
}

.page-hero p:not(.eyebrow) {
  max-width: 620px;
  color: #fffaf0;
}

.page-section {
  padding: 84px 24px;
}

.page-section.tint {
  background: var(--leaf-soft);
}

.page-section.shell {
  background: var(--shell);
}

.page-inner {
  width: min(1100px, 100%);
  margin: 0 auto;
}

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

.page-grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.content-card,
.access-card,
.contact-card,
.culture-card,
.project-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(45, 126, 130, 0.07);
}

.content-card h3,
.access-card h3,
.contact-card h3,
.culture-card h3,
.project-card h3 {
  margin-bottom: 10px;
  font-size: 1.22rem;
}

.content-card p,
.access-card p,
.contact-card p,
.culture-card p,
.project-card p,
.page-copy p {
  color: var(--muted);
}

.page-copy {
  width: min(820px, 100%);
  margin: 0 auto 34px;
  text-align: center;
}

.split-section {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 34px;
  align-items: center;
}

.split-section .page-copy {
  margin: 0;
  text-align: left;
}

.split-image {
  height: 440px;
  border-radius: 8px;
  overflow: hidden;
}

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

.lesson-detail-table {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.lesson-detail-table .schedule {
  min-width: 760px;
}

/* スマホではテーブルをカード型に変換 */
@media (max-width: 680px) {
  .lesson-detail-table {
    overflow: visible;
    border: none;
    background: transparent;
    box-shadow: none;
  }
  .lesson-detail-table .schedule {
    min-width: 0;
    width: 100%;
    display: block;
  }
  .lesson-detail-table .schedule caption {
    display: none;
  }
  .lesson-detail-table .schedule thead {
    display: none;
  }
  .lesson-detail-table .schedule tbody {
    display: block;
  }
  .lesson-detail-table .schedule tr {
    display: block;
    margin-bottom: 12px;
    padding: 14px 16px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 8px 22px rgba(45, 126, 130, 0.06);
  }
  .lesson-detail-table .schedule td {
    display: block;
    padding: 3px 0;
    border: none;
    white-space: normal;
    word-break: break-word;
  }
  /* 曜日と時間帯は横並びでタグ風に */
  .lesson-detail-table .schedule td:nth-child(1) {
    display: inline-block;
    color: var(--leaf);
    font-weight: 700;
    margin-right: 10px;
  }
  .lesson-detail-table .schedule td:nth-child(2) {
    display: inline-block;
    color: var(--muted);
    font-size: 0.9rem;
  }
  /* エリアは強調 */
  .lesson-detail-table .schedule td:nth-child(3) {
    margin-top: 6px;
    font-weight: 700;
    color: var(--ink);
    font-size: 1.02rem;
  }
  /* 対象・雰囲気の説明文 */
  .lesson-detail-table .schedule td:nth-child(4) {
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.6;
  }
}

.check-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 8px 0 8px 24px;
  color: #385254;
  border-top: 1px solid var(--line);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #f2b35d;
}

.teacher-profile {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 28px;
  align-items: start;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.teacher-profile + .teacher-profile {
  margin-top: 20px;
}

.teacher-profile img {
  width: 210px;
  height: 210px;
  object-fit: cover;
  border-radius: 8px;
}

.gallery-strip {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 12px;
}

.gallery-strip img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
}

.gallery-strip img:first-child {
  height: 420px;
  grid-row: span 2;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: start;
}

.contact-panel {
  padding: 34px;
  color: var(--white);
  background: linear-gradient(135deg, #4db5c3, #2e8f78);
  border-radius: 8px;
}

.contact-panel .eyebrow {
  color: #e6fff7;
}

.contact-panel h2 {
  margin-bottom: 16px;
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-size: 2rem;
  line-height: 1.25;
  font-weight: 600;
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.84);
}

.contact-list {
  display: grid;
  gap: 12px;
}

.contact-card {
  box-shadow: none;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .header-cta {
    margin-left: auto;
  }

  h1 {
    font-size: 2.8rem;
  }

  .quick-band,
  .intro-grid,
  .teacher-grid,
  .flow-list,
  .lesson-layout,
  .activity,
  .feature-band,
  .feature-points,
  .page-grid,
  .page-grid.two,
  .split-section,
  .contact-layout,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .quick-band div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-band div:last-child {
    border-bottom: 0;
  }

  .lesson-photo {
    min-height: 300px;
  }

  .activity-panel {
    padding: 44px 28px;
  }

  .feature-band {
    padding: 72px 28px;
  }

  .feature-points article {
    min-height: auto;
  }

  .split-image {
    height: 340px;
  }

  .gallery-strip {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-strip img,
  .gallery-strip img:first-child {
    height: 260px;
    grid-row: auto;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 12px 18px;
  }

  .brand {
    min-width: 0;
  }

  .brand-en {
    font-size: 0.86rem;
  }

  .brand-ja,
  .nav {
    font-size: 0.78rem;
  }

  .header-cta {
    width: 100%;
  }

  .hero {
    min-height: 70svh;
  }

  .hero-content {
    width: min(100% - 32px, 1060px);
    padding-bottom: 54px;
  }

  h1 {
    font-size: 2.15rem;
  }

  .hero-copy {
    font-size: 0.98rem;
  }

  .button {
    width: 100%;
  }

  .quick-band {
    width: calc(100% - 28px);
    margin-top: -24px;
  }

  .section {
    padding: 64px 16px;
  }

  .section-heading h2,
  .activity-panel h2,
  .contact-section h2,
  .feature-copy h2,
  .page-copy h2,
  .page-section h2,
  .contact-card h2 {
    font-size: 1.8rem;
  }

  .info-card,
  .flow-list li {
    padding: 22px;
  }

  .teacher {
    grid-template-columns: 1fr;
  }

  .teacher img {
    width: 150px;
    height: 150px;
  }

  .schedule-wrap {
    overflow-x: auto;
  }

  .schedule {
    min-width: 620px;
  }

  .price-note {
    grid-template-columns: 1fr;
  }

  .price-note p + p {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .contact-section {
    width: calc(100% - 28px);
    margin: 64px auto;
    flex-direction: column;
    align-items: stretch;
    padding: 28px;
  }

  .page-hero {
    min-height: 360px;
  }

  .page-hero-content {
    width: min(100% - 32px, 1060px);
    padding-bottom: 46px;
  }

  .page-hero h1 {
    font-size: 2.05rem;
  }

  .page-section {
    padding: 62px 16px;
  }

  .content-card,
  .access-card,
  .contact-card,
  .culture-card,
  .project-card,
  .teacher-profile,
  .contact-panel,
  .news-card {
    padding: 22px;
  }

  .teacher-profile {
    grid-template-columns: 1fr;
  }

  .teacher-profile img {
    width: 170px;
    height: 170px;
  }

  .gallery-strip {
    grid-template-columns: 1fr;
  }

  .gallery-strip img,
  .gallery-strip img:first-child {
    height: 240px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 18px;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

/* 選ばれる理由（4カード） */
.reasons {
  background: linear-gradient(180deg, #eaf5ea 0%, #f5fbf5 100%);
  padding: 80px max(24px, calc((100% - 1180px) / 2));
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.reason-card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 56px 26px 32px;
  text-align: center;
  box-shadow: 0 8px 26px rgba(46, 143, 120, 0.08);
}

.reason-num {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #3f8b53;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(63, 139, 83, 0.35);
}

.reason-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  font-size: 2.6rem;
  margin: 0 0 16px;
  line-height: 1;
}

.reason-icon img {
  max-height: 80px;
  max-width: 80px;
  object-fit: contain;
}

.reason-card h3 {
  color: #2f5a3d;
  font-size: 1.05rem;
  line-height: 1.55;
  margin: 0 0 14px;
}

.reason-card p {
  color: #6b7e70;
  font-size: 0.92rem;
  line-height: 1.85;
  margin: 0;
}

@media (max-width: 1024px) {
  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .reasons-grid {
    grid-template-columns: 1fr;
  }
}

.reasons-heading {
  text-align: center;
  margin: 0 auto 50px;
}

.reasons-heading h2 {
  color: #2f5a3d;
  font-size: 1.9rem;
  letter-spacing: 0.18em;
  font-weight: 600;
  margin: 0 0 14px;
}

.reasons-heading .deco {
  color: #c9a96e;
  font-size: 1rem;
  margin: 0 18px;
  vertical-align: middle;
}

.reasons-heading p {
  color: #7a8a7d;
  font-size: 1rem;
  margin: 0;
}

/* ヘッダーのSNSアイコン */
.header-social {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 4px;
}

.header-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #fff;
  transition: transform .18s, filter .18s;
}

.header-social a:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.header-social a[aria-label^="Instagram"] {
  background: linear-gradient(45deg, #f58529 0%, #dd2a7b 40%, #8134af 70%, #515bd4 100%);
}

.header-social a[aria-label="Facebook"] {
  background: #1877f2;
}

.header-social a[aria-label="YouTube"] {
  background: #ff0000;
}

.header-social svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

@media (max-width: 900px) {
  .header-social {
    gap: 6px;
  }
  .header-social a {
    width: 30px;
    height: 30px;
  }
  .header-social svg {
    width: 15px;
    height: 15px;
  }
}

/* ページ内タブ（about-classesページ用） */
.page-tabs {
  position: sticky;
  top: 76px;
  z-index: 15;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(247, 252, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.page-tabs a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  color: var(--leaf);
  background: var(--white);
  border: 1px solid var(--line);
  font-weight: 700;
  font-size: 0.95rem;
  transition: color .2s, background .2s, border-color .2s;
}

.page-tabs a:hover {
  color: var(--white);
  background: var(--leaf);
  border-color: var(--leaf);
}

@media (max-width: 680px) {
  .page-tabs {
    top: auto;
    position: static;
    flex-wrap: wrap;
    padding: 12px 12px;
  }
  .page-tabs a {
    min-height: 38px;
    padding: 0 14px;
    font-size: 0.9rem;
  }
}

/* セクションのアンカーオフセット（固定ヘッダー分） */
#about,
#classes,
#locations {
  scroll-margin-top: 140px;
}

/* 教室一覧のエリア見出し */
.locations-block + .locations-block {
  margin-top: 40px;
}

.locations-area {
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--leaf);
  color: var(--leaf);
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-size: 1.4rem;
  font-weight: 600;
}

/* イベント出演リスト */
.events-list {
  width: min(900px, 100%);
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.event-item {
  position: relative;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 22px 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(45, 126, 130, 0.06);
  align-items: start;
  transition: opacity 0.2s, background 0.2s;
}

.event-date {
  color: var(--leaf);
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-weight: 600;
  font-size: 1.05rem;
}

.event-info h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
  color: var(--ink);
}

.event-venue {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.event-item.is-ended {
  opacity: 0.55;
  background: var(--paper);
}

.event-item.is-ended::after {
  content: "終了";
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 3px 12px;
  background: var(--muted);
  color: var(--white);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

@media (max-width: 680px) {
  .event-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 20px;
  }
  .event-date {
    font-size: 0.95rem;
  }
}

/* Googleフォーム埋め込み */
.form-embed {
  width: min(820px, 100%);
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 34px rgba(45, 126, 130, 0.07);
}

.form-embed iframe {
  display: block;
  width: 100%;
  min-height: 1400px;
  border: 0;
}

#form {
  scroll-margin-top: 80px;
}

/* インラインのテキストリンク */
.inline-text-link {
  color: var(--leaf);
  font-weight: 700;
  border-bottom: 1px solid currentColor;
  transition: color .18s, border-color .18s;
}

.inline-text-link:hover {
  color: var(--coral-dark);
}

/* 教室一覧カードの会場名表示 */
.venue {
  margin: -4px 0 8px;
  padding: 4px 10px;
  display: inline-block;
  color: var(--leaf);
  background: var(--leaf-soft);
  border-radius: 6px;
  font-size: 0.86rem;
  font-weight: 700;
}

/* お客様の声（Google口コミ） */
.reviews {
  background: var(--leaf-soft);
}

.reviews-grid {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.review-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(45, 126, 130, 0.07);
}

.review-stars {
  margin: 0 0 12px;
  color: #f2b35d;
  font-size: 1.15rem;
  letter-spacing: 0.1em;
  line-height: 1;
}

.review-text {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.85;
}

.review-author {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

@media (max-width: 760px) {
  .reviews-grid {
    grid-template-columns: 1fr;
  }
}

/* やわらかいぼかし（顔を見えにくくするソフトフォーカス効果） */
.soft-blur {
  filter: blur(3px) saturate(1.05);
}

/* インストラクター紹介（主宰より小さめのカード） */
.instructor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.instructor-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  align-items: start;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(45, 126, 130, 0.07);
}

.instructor-card img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
}

.instructor-card h3 {
  margin: 0 0 8px;
  font-size: 1.18rem;
}

.instructor-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .instructor-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .instructor-card {
    grid-template-columns: 1fr;
  }

  .instructor-card img {
    width: 140px;
    height: 140px;
  }
}