:root {
  --base: #fff8ee;
  --base_2: color-mix(in srgb, var(--base) 50%, #fff);
  --accent: #e8aaa3;
  --accent_2: color-mix(in srgb, var(--accent) 50%, #fff);
  --sub: #2a582c;
  --sub2: rgb(74, 121, 81);
  --line: #d9c4a2;
  --white: #fffbf6;
  --muted: #3e6e41;
  --max: 920px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 8px 22px rgba(0, 0, 0, 0.12);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--base);
  color: var(--sub);
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans JP",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

.topline,
.wrap,
.menu {
  max-width: var(--max);
  margin: 0 auto;
}

.topline {
  padding: 10px 16px 0;
  font-size: 15px;
}

.wrap {
  padding: 10px 16px 64px;
}

.sep {
  margin: 0 8px;
}

.dot {
  margin: 0 6px;
  color: var(--sub);
}

.topline a,
.contactline a,
.teacher-cta a,
.contact-tel a,
.contact-note {
  color: inherit;
  text-decoration: none;
}

.topline a:hover,
.contactline a:hover,
.teacher-cta a:hover,
.contact-tel a:hover,
.contact-note:hover {
  text-decoration: underline;
}

.tabbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--sub2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  padding: 10px 16px;
  font-size: 16px;
}

.menu a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s ease;
}

.menu a:hover {
  background: var(--accent);
  color: var(--sub);
}

.hero {
  padding-top: 8px;
  text-align: center;
}

.title {
  margin: 6px 0;
  color: var(--sub);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.title-with-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.title-icon {
  width: 56px;
  height: auto;
}

.course-line {
  margin: 0 0 10px;
  color: var(--sub);
  font-size: 18px;
  letter-spacing: 0.08em;
}

.hero-image {
  margin: 24px 0;
}

.hero-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.section {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 72px;
}

.section h2 {
  margin: 0 0 14px;
  color: var(--sub);
  font-size: 22px;
  font-weight: 700;
}

.intro,
.access-lead,
.qa-lead,
.contact-lead,
.blog-card-lead {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.8;
}

.intro,
.qa-lead,
.access-lead,
.contact-lead {
  max-width: 760px;
}

.intro {
  margin: 0 auto;
}

.intro p {
  margin: 0 0 12px;
}

.access-lead,
.qa-lead,
.contact-lead {
  margin: 14px 0 22px;
  line-height: 1.9;
}

.contactline {
  margin-top: 6px;
}

.teacher-card,
.lesson-card,
.access-card,
.qa-item,
.blog-link-card,
.contact-card,
.access-map {
  box-shadow: var(--shadow-md);
}

@media (min-width: 900px) {
  body {
    font-size: 17px;
  }

  .intro {
    max-width: 780px;
    font-size: 18px;
    line-height: 1.9;
  }

  .intro p {
    margin-bottom: 14px;
  }

  .contactline {
    line-height: 1.9;
  }
}

@media (max-width: 640px) {
  .title-icon {
    width: 44px;
  }
}

/* teacher */
.teacher-card {
  display: grid;
  gap: 18px;
  align-items: start;
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.teacher-photo,
.teacher-body,
.price-left {
  min-width: 0;
}

.teacher-photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.teacher-photo-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.teacher-name {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.teacher-en {
  margin-left: 8px;
  font-size: 14px;
  font-weight: 700;
}

.teacher-lead {
  margin: 0 0 14px;
}

.teacher-block {
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--accent_2);
}

.teacher-label {
  margin: 0 0 8px;
  color: var(--sub);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.teacher-list {
  margin: 0;
  padding-left: 18px;
}

.teacher-cta {
  margin: 14px 0 0;
}

.teacher-cta a {
  font-weight: 700;
}

@media (min-width: 700px) {
  .teacher-card {
    grid-template-columns: 320px 1fr;
    gap: 22px;
  }

  .teacher-photo-grid {
    grid-template-columns: 1fr;
    height: 100%;
    align-content: space-between;
  }

  .teacher-photo-grid img:first-child {
    aspect-ratio: 1 / 1;
    margin-bottom: 15px;
  }

  .teacher-photo-grid img:nth-child(2) {
    aspect-ratio: 4 / 3;
    align-self: end;
  }
}

@media (min-width: 900px) {
  .teacher-card {
    padding: 22px;
  }

  .teacher-name {
    font-size: 24px;
  }
}

/* lesson */
.lesson-summary {
  margin-top: 18px;
}

.lesson-main {
  margin: 0 0 14px;
  color: var(--sub);
  font-size: 1.05rem;
  line-height: 1.8;
}

.lesson-summary-list {
  margin: 0;
  padding-left: 1.2em;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.8;
}

.lesson-summary-list li {
  margin-bottom: 6px;
}

.lesson-grid {
  display: grid;
  gap: 16px;
}

.lesson-card {
  padding: 16px;
  border-radius: 18px;
  background: var(--white);
}

.lesson-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.lesson-head h3 {
  margin: 0;
  color: var(--sub);
  font-size: 18px;
  letter-spacing: 0.02em;
}

.price-table {
  display: grid;
  gap: 14px;
  margin-top: 4px;
}

.price-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 90px 220px;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: var(--accent_2);
}

.price-row-single {
  grid-template-columns: minmax(0, 1fr) 220px;
}

.price-title {
  font-weight: 800;
}

.price-note,
.price-time {
  color: var(--sub);
  font-size: 15px;
}

.price-note {
  margin-top: 6px;
  line-height: 1.6;
}

.price-right {
  display: contents;
}

.price-right-single {
  display: block;
}

.price-time {
  text-align: center;
  white-space: nowrap;
}

.price-money {
  display: inline-grid;
  grid-template-columns: 48px 1fr;
  align-items: baseline;
  column-gap: 10px;
  color: var(--sub);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.price-money-single {
  display: block;
  text-align: right;
}

.price-label,
.price-amount {
  text-align: left;
}

.price-amount {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.lesson-notes {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--sub);
}

.lesson-notes li {
  margin-bottom: 6px;
  line-height: 1.7;
}

.lesson-notes .strong {
  margin-top: 10px;
  font-weight: 800;
}

@media (max-width: 640px) {
  .price-row,
  .price-row-single {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 16px;
  }

  .price-right {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 10px;
    width: 100%;
  }

  .price-right-single,
  .price-money-single {
    display: block;
    width: 100%;
    text-align: left;
  }

  .price-time {
    text-align: left;
  }

  .price-money {
    grid-template-columns: 42px 1fr;
    font-size: 18px;
  }
}

/* access */
.access-grid {
  display: grid;
  gap: 40px;
}

.access-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--white);
}

.access-head {
  padding: 22px 28px 18px;
  background: var(--accent_2);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 15%, var(--line));
}

.access-name {
  margin: 0 0 6px;
  color: var(--sub);
  font-size: 24px;
  font-weight: 800;
}

.access-address {
  margin: 0;
  color: var(--sub);
  font-size: 16px;
  font-weight: 700;
}

.access-body {
  min-width: 0;
  padding: 22px 28px 0;
}

.access-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 1.2em;
}

.access-list li {
  line-height: 1.8;
}

.access-note {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.98rem;
}

.access-note-icon {
  display: inline-block;
  margin-right: 4px;
  font-weight: 700;
}

.access-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 22px 28px 0;
}

.access-photo-item {
  margin: 0;
  text-align: center;
}

.access-photo-item img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: #ddd;
}

.access-photo-item figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 16px;
}

.access-map {
  width: calc(100% - 56px);
  margin: 22px auto 28px;
  overflow: hidden;
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.access-map-title {
  margin: 0;
  padding: 12px 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 12%, var(--line));
  background: var(--accent_2);
  color: var(--sub);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
}

.access-map iframe {
  display: block;
  width: 100%;
  height: 360px;
  border: 0;
}

@media (max-width: 767px) {
  .access-grid {
    gap: 32px;
  }

  .access-head {
    padding: 18px 20px 16px;
  }

  .access-name {
    font-size: 22px;
  }

  .access-address {
    font-size: 15px;
  }

  .access-body {
    padding: 18px 20px 0;
  }

  .access-photos {
    gap: 14px;
    padding: 18px 20px 0;
  }

  .access-photo-item img {
    border-radius: 18px;
  }

  .access-photo-item figcaption {
    font-size: 14px;
  }

  .access-map {
    width: calc(100% - 40px);
    margin: 18px auto 20px;
    border-radius: 16px;
  }

  .access-map-title {
    padding: 10px 14px;
    font-size: 13px;
  }

  .access-map iframe {
    height: 260px;
  }
}

@media (max-width: 520px) {
  .access-photos {
    grid-template-columns: 1fr;
  }
}

/* qa */
.qa-list {
  display: grid;
  gap: 14px;
}

.qa-item {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.qa-item summary {
  position: relative;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: start;
  column-gap: 10px;
  padding: 18px 52px 18px 18px;
  cursor: pointer;
  list-style: none;
}

.qa-item summary::-webkit-details-marker {
  display: none;
}

.qa-item summary::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--sub);
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
}

.qa-item summary span {
  display: block;
  padding-top: 1px;
  font-weight: 700;
  line-height: 1.8;
}

.qa-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  color: var(--sub);
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
}

.qa-item[open] summary::after {
  content: "−";
}

.qa-answer {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
  background: var(--base_2);
}

.qa-answer-main {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: start;
  column-gap: 10px;
  margin: 14px 0 0;
  line-height: 1.8;
}

.qa-answer-main::before {
  content: "A";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--sub);
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
}

.qa-answer-sub {
  margin: 8px 0 0 38px;
  line-height: 1.9;
}

@media (max-width: 640px) {
  .qa-item summary {
    padding: 16px 46px 16px 16px;
  }

  .qa-answer {
    padding: 0 16px 16px;
  }
}

/* blog */
.blog-card-lead {
  margin: 0 0 20px;
}

.blog-link-card {
  display: block;
  max-width: 700px;
  margin: 0 auto 18px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--sub);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-link-card:last-child {
  margin-bottom: 0;
}

.blog-link-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.blog-link-card:visited,
.blog-link-card:hover,
.blog-link-card:active {
  color: var(--sub);
  text-decoration: none;
}

.blog-link-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: var(--sub);
  font-size: 1.25rem;
  line-height: 1.5;
}

.blog-title-icon {
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1;
}

.blog-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: 8px;
  padding: 0 18px;
  border-radius: 999px;
  color: #fff !important;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.blog-link-button:visited,
.blog-link-button:hover,
.blog-link-button:active {
  color: #fff !important;
  text-decoration: none;
}

.ameblo-card .blog-link-button {
  background: #2fbf4a;
}

.instagram-card .blog-link-button {
  background: linear-gradient(135deg, #f9ce34, #ee2a7b, #6228d7);
}

@media (max-width: 600px) {
  .blog-card-lead {
    font-size: 1rem;
  }

  .blog-link-card {
    padding: 20px;
  }

  .blog-link-card h3 {
    font-size: 1.1rem;
  }
}

/* contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.contact-card {
  padding: 24px;
  border-radius: 16px;
  background: var(--white);
  color: var(--sub);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

.contact-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--sub);
  font-size: 1.15rem;
  line-height: 1.4;
}

.contact-title i {
  flex: 0 0 1.2em;
  width: 1.2em;
  text-align: center;
  font-size: 1rem;
  line-height: 1;
  transform: translateY(1px);
}

.contact-title span {
  display: block;
  line-height: 1.4;
}

.contact-title .fa-line {
  color: #06c755;
}

.contact-title .fa-phone,
.contact-title .fa-envelope {
  color: var(--sub);
}

.contact-card p {
  margin: 0 0 12px;
  line-height: 1.8;
}

.contact-tel {
  margin: 6px 0 10px;
}

.contact-tel a {
  color: var(--sub);
  font-size: 1.4rem;
  font-weight: 800;
}

.contact-note {
  margin-top: 12px;
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 600px) {
  .contact-card {
    padding: 20px;
  }

  .contact-title {
    font-size: 1.05rem;
  }

  .contact-tel a {
    font-size: 1.25rem;
  }
}

/* footer */
.footer {
  margin-top: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--sub);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer p {
  margin: 0;
  text-align: center;
}

.footer-icon {
  width: 36px;
  height: auto;
  opacity: 0.9;
}