/* ===== リセット & ベース ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Noto Serif JP", "游明朝", YuMincho, serif;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.8;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== ヘッダー ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid #e0e0e0;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: -8px;
}

.logo-img {
  height: 68px;
  width: auto;
  display: block;
}

.logo-text {
  font-size: 19px;
  letter-spacing: 0.15em;
  color: #1a1a1a;
  white-space: nowrap;
}

nav ul {
  display: flex;
  gap: 28px;
}

nav ul li a {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #333;
  transition: color 0.2s;
}

nav ul li a:hover { color: #888; }

/* ===== ヒーロー ===== */
.hero {
  margin-top: 82px;
  height: 70vh;
  background: url('top.jpg') center center / cover no-repeat;
  position: relative;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 18%;
  padding-bottom: 6%;
}

/* テキスト全体のブロック */
.hero-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  opacity: 1;
  transform: translate(100px, -25px);
}

/* 縦書き3列 */
.hero-texts {
  display: flex;
  flex-direction: row-reverse;
  align-items: flex-start;
  gap: 8px;
  color: #fff;
}

/* 宋朝体タイトル画像 */
.hero-title-img {
  height: 35.28vh;
  width: auto;
  display: block;
}

/* 日本舞踊（小） */
.hero-sub {
  writing-mode: vertical-rl;
  font-size: clamp(12px, 1.5vw, 18px);
  letter-spacing: 0.3em;
  font-family: "Noto Serif JP", "游明朝", YuMincho, serif;
  font-weight: 300;
  opacity: 1;
  transform: scaleX(0.93);
}

/* 紋三郎派・藤間流（大） */
.hero-col {
  writing-mode: vertical-rl;
  font-size: clamp(31px, 5vw, 61px);
  letter-spacing: 0.2em;
  line-height: 1;
  /* パターン②: Zen Old Mincho（力強い古典明朝）
  font-family: "Zen Old Mincho", "游明朝", YuMincho, serif;
  font-weight: 500; */
  /* パターン③: Hina Mincho（細くて優雅な明朝）
  font-family: "Hina Mincho", "游明朝", YuMincho, serif;
  font-weight: 400; */
  /* パターン④: Kaisei Opti（洗練されたモダン明朝）
  font-family: "Kaisei Opti", "游明朝", YuMincho, serif;
  font-weight: 700; */
  /* パターン①: Shippori Mincho（繊細で上品な伝統明朝）
  font-family: "Shippori Mincho", "游明朝", YuMincho, serif;
  font-weight: 400; */
  /* パターン⑤: Shippori Mincho B1（力強い太め明朝）
  font-family: "Shippori Mincho B1", "游明朝", YuMincho, serif;
  font-weight: 500; */
  /* パターン⑥: Klee One（温かみのある手書き風明朝）
  font-family: "Klee One", "游明朝", YuMincho, serif;
  font-weight: 600; */
  /* 採用: Noto Serif JP 300（細めでシャープ）＋7%長体 */
  font-family: "Noto Serif JP", "游明朝", YuMincho, serif;
  font-weight: 300;
  transform: scaleX(0.93);
  color: #fff;
}

/* 英語テキスト（3列の下） */
.hero-en {
  font-size: 9.9px;
  letter-spacing: 0.35em;
  color: #fff;
  font-family: "Shippori Mincho", serif;
  font-weight: 300;
  opacity: 1;
  margin-top: 32px;
}

/* ===== 縦書きテキスト帯 ===== */
.intro-band {
  background: #e4ddf0;
  padding: 48px 0;
}

.intro-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: row-reverse;
  justify-content: center;
  align-items: flex-start;
}

.vertical-text {
  writing-mode: vertical-rl;
  font-size: 15.97px;
  line-height: 2.0;
  letter-spacing: 0.18em;
  height: 230px;
  color: #333;
  font-family: "Shippori Mincho", "游明朝", YuMincho, serif;
}

/* ===== 共通セクション ===== */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-inner.narrow {
  max-width: 700px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.two-col.reverse {
  direction: rtl;
}
.two-col.reverse > * {
  direction: ltr;
}

.section-title {
  font-size: 22px;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  font-weight: normal;
}

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

.section-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: #888;
  margin-bottom: 16px;
  text-transform: lowercase;
}

/* ===== プレースホルダー画像 ===== */
.placeholder-img {
  background: #d0d0d0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 13px;
  letter-spacing: 0.1em;
  border-radius: 2px;
  aspect-ratio: 4/3;
}

.placeholder-img.tall { aspect-ratio: 3/4; }
.placeholder-img.map { aspect-ratio: 4/3; }

/* ===== ごあいさつ ===== */
.greeting { background: #fff; padding-top: 40px; }

.greeting .two-col {
  grid-template-columns: 1fr 0.6fr;
  gap: 8px;
}

.greeting-img img {
  width: 100%;
  height: auto;
  display: block;
}

.greeting .text-block p {
  font-size: 17px;
  color: #444;
  margin-bottom: 16px;
}

.line-r,
.line-l {
  display: block;
  text-align: left;
}

.signature {
  font-size: 22px !important;
  text-align: right;
  color: #333;
  margin-top: 4px !important;
  margin-right: 4em;
  letter-spacing: 0.1em;
}

.profile-link {
  grid-column: 1 / -1;
  text-align: left;
  padding-left: 337px;
  margin-top: 4px;
  position: relative;
  top: -10px;
}

.profile-link a {
  font-size: 17.1px;
  letter-spacing: 0.1em;
  color: #5a4f72;
  text-decoration: underline;
  transition: color 0.2s;
}

.profile-link a:hover {
  color: #b0a3c8;
}

/* ===== History ===== */
.history { background: #f3f3f3; }

.crest {
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}

.crest img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.history .text-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.history .btn-link {
  padding: 14px 40px;
  font-size: 14px;
  margin-top: 32px;
  max-width: 200px;
  width: 200px;
  text-align: center;
}

.history h2 {
  font-size: 34px;
  letter-spacing: 0.1em;
  font-weight: normal;
  margin-bottom: 16px;
}

.history-img-block {
  position: relative;
}

.history-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: #888;
  margin-bottom: 12px;
}

.history p {
  font-size: 16px;
  color: #555;
}

/* 大橋屋と紋三郎：説明文をPCのみ左揃えに */
.history .text-block p {
  text-align: left;
}

/* ===== 教室案内 ===== */
.class-info { background: #fff; }

.class-info h2 {
  font-size: 34px;
  letter-spacing: 0.1em;
  font-weight: normal;
  margin-bottom: 16px;
}

.class-info p {
  font-size: 16px;
  color: #555;
  margin-bottom: 24px;
}

.class-info .btn-link {
  padding: 14px 40px;
  font-size: 14px;
  margin-top: 32px;
  max-width: 200px;
  width: 200px;
  text-align: center;
  position: relative;
  top: -30px;
}

.class-info .two-col {
  gap: 8px;
}

.class-info .text-block {
  padding-left: 40px;
}

.btn-link {
  display: inline-block;
  padding: 10px 28px;
  background: #e4ddf0;
  border: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #5a4f72;
  transition: background 0.2s;
}

.btn-link:hover {
  background: #b0a3c8;
}

/* ===== News ===== */
.news { background: #f3f3f3; }

.news .section-title {
  text-align: left;
  max-width: 704px;
  margin-left: auto;
  margin-right: auto;
}

.news-list {
  max-width: 704px;
  margin: 0 auto;
}

.news-list li {
  display: flex;
  gap: 35.2px;
  padding: 19.8px 0;
  border-bottom: 1px solid #e0e0e0;
  font-size: 17.6px;
}

.news-date {
  color: #888;
  white-space: nowrap;
  font-size: 15.4px;
  padding-top: 2px;
}

.news-text { color: #333; }

/* ===== お問い合わせ ===== */
/* ===== 書籍紹介 ===== */
.book { background: #fff; }

.book .two-col {
  gap: 16px;
  align-items: start;
  transform: translateX(100px);
}

/* 大橋屋ページの書籍案内：文字情報をセンター揃え */
.book-cta .text-block {
  text-align: center;
}

.book-cta .book-title {
  margin-left: 0;
}

.book-cta .book-buy {
  align-items: center;
  margin-top: 16px;
}

.book-cover {
  aspect-ratio: 3/4;
  max-width: 320px;
}

/* 書籍画像（本.png）：自然な縦横比で表示。PCは20%拡大（320→384px） */
.book-cover-img {
  aspect-ratio: auto;
  width: 100%;
  max-width: 384px;
  height: auto;
  display: block;
  background: none;
}

.book-title {
  font-size: 34px;
  font-weight: normal;
  letter-spacing: 0.2em;
  margin-bottom: 20px;
  margin-left: -0.5em;
}

.book-desc {
  font-size: 16px;
  color: #444;
  line-height: 2;
  margin-bottom: 8px;
}

.book-buy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-top: -110px;
}

.btn-buy {
  display: inline-block;
  background: #e4ddf0;
  color: #5a4f72;
  padding: 14px 40px;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-align: center;
  transition: background 0.2s;
  max-width: 200px;
}

.btn-buy:hover { background: #b0a3c8; }

.buy-note {
  font-size: 12px;
  color: #aaa;
}

/* ===== お問い合わせ ===== */
.contact { background: #f9f9f9; }

.contact .section-title {
  text-align: left;
}

.center-text {
  text-align: left;
  font-size: 14px;
  color: #666;
  margin-bottom: 40px;
}

.contact-form { display: flex; flex-direction: column; gap: 20px; }

.form-row.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 13px;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.required {
  background: #7c4dbe;
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 2px;
}

.optional {
  background: #888;
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 2px;
}

.form-group input,
.form-group textarea {
  border: 1px solid #ccc;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #555;
}

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

.form-submit button {
  background: #e4ddf0;
  color: #5a4f72;
  border: none;
  padding: 14px 60px;
  font-size: 14px;
  letter-spacing: 0.1em;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
}

.form-submit button:hover { background: #b0a3c8; }

.form-note {
  font-size: 12px;
  color: #888;
  margin-top: 24px;
  text-align: center;
}

/* ===== お知らせ ポップアップ ===== */
.news-item {
  cursor: pointer;
  transition: background 0.2s;
}
.news-item:hover {
  background: #f5f5f5;
}

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-box {
  background: #fff;
  max-width: 560px;
  width: 90%;
  padding: 48px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: #888;
  line-height: 1;
}
.modal-close:hover { color: #1a1a1a; }

.modal-date {
  font-size: 12px;
  color: #888;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.modal-title {
  font-size: 20px;
  font-weight: normal;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e0e0e0;
}

.modal-body p {
  font-size: 14px;
  color: #444;
  line-height: 2;
}

/* ===== アクセス ===== */
.access { background: #fff; }

.access .text-block p {
  font-size: 18px;
  color: #444;
  margin-bottom: 16px;
}

.access .two-col {
  grid-template-columns: 0.6fr 1.4fr;
  gap: 32px;
}

/* アクセス：地図を少し左にずらして荻窪駅側を見せる */
.access .image-block {
  overflow: hidden;
}

.access .image-block iframe {
  width: 150%;
  margin-left: -50%;
}

.access-note {
  font-size: 14px !important;
}

/* ===== フッター ===== */
footer {
  background: #b0a3c8;
  color: #fff;
  padding: 48px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.footer-logo-img {
  height: 64px;
  width: auto;
  display: block;
}

.footer-logo {
  font-size: 16px;
  letter-spacing: 0.15em;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #fff;
  transition: color 0.2s;
}

.footer-nav a:hover { color: rgba(255,255,255,0.7); }

.copyright {
  font-size: 11px;
  color: #fff;
}

/* ===== PC/SP 改行切り替え ===== */
.sp-br { display: none; }
@media (max-width: 768px) {
  .pc-br { display: none; }
  .sp-br { display: inline; }
}

/* ===== ハンバーガーメニュー ===== */

/* ハンバーガーボタン（デスクトップでは非表示） */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
  z-index: 310;
  position: relative;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #1a1a1a;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}
.hamburger.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* 背景オーバーレイ */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 299;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.nav-overlay.is-open {
  display: block;
  opacity: 1;
}

/* ドロワー（右から出現） */
.nav-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 270px;
  height: 100%;
  background: #fff;
  z-index: 300;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 72px 32px 40px;
  box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  overflow-y: auto;
}
.nav-drawer.is-open {
  right: 0;
}
.nav-drawer ul {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.nav-drawer ul li {
  border-bottom: 1px solid #f0f0f0;
}
.nav-drawer ul li:first-child {
  border-top: 1px solid #f0f0f0;
}
.nav-drawer ul li a {
  display: block;
  padding: 15px 4px;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: #333;
}
.nav-drawer ul li a.current {
  color: #9b8fad;
  border-bottom: none;
}

/* ===== レスポンシブ（モバイル）===== */
@media (max-width: 768px) {

  /* ヘッダー */
  header {
    border-bottom: none;
  }
  .header-inner {
    height: 60px;
    padding: 6px 16px 0;
  }
  .logo {
    gap: 10px;
  }
  .logo a {
    gap: 10px !important;
  }
  .logo-img {
    height: 42px;
  }
  .logo-text {
    font-size: 14.7px;
    letter-spacing: 0.1em;
  }
  nav ul {
    display: none;
  }
  .hamburger {
    display: flex;
  }

  /* ヒーロー */
  .hero {
    margin-top: 60px;
    height: 41.4675vh;
    background-position: center calc(50% + 6px);
  }
  .hero-text {
    padding: 0 20px;
  }
  .hero-overlay {
    align-items: flex-start;
    padding-top: 8%;
    padding-right: 8%;
    padding-bottom: 0;
  }
  .hero-block {
    transform: none;
  }
  .hero-title-img {
    height: 19.845vh;
    transform: translateX(5px);
  }
  .hero-sub {
    font-size: 14.345px;
    position: relative;
    left: -2px;
  }
  .hero-col {
    font-size: 33.35236px;
  }
  .hero-en {
    display: none;
  }

  /* 縦書きテキスト帯 → モバイルは横書きに切り替え */
  .intro-band {
    padding: 32px 0;
  }
  .intro-inner {
    display: block;
    padding: 0 32px;
  }
  .vertical-text {
    writing-mode: horizontal-tb;
    height: auto;
    width: 100%;
    font-size: 17px;
    line-height: 1.9;
    letter-spacing: 0.05em;
    text-align: left;
    transform: none;
  }
  .vertical-text-1 {
    margin-bottom: 0;
  }

  /* セクション共通 */
  .section-inner {
    padding: 48px 20px;
  }
  .section-title {
    font-size: 23px;
  }

  /* ごあいさつ */
  .greeting {
    padding-top: 8px;
  }
  .greeting .section-inner {
    padding-top: 32px;
    padding-left: 28px;
    padding-right: 28px;
  }
  .greeting .section-title {
    letter-spacing: 0.08em;
    margin-bottom: 14px;
  }
  .greeting .text-block p {
    font-size: 17px;
    letter-spacing: 0.09em;
  }
  .greeting .text-block .line-r,
  .greeting .text-block .line-l {
    display: inline;
  }
  .greeting .text-block .sp-br {
    display: none;
  }
  .greeting .text-block p:nth-of-type(2) {
    margin-bottom: 0;
  }
  .greeting-img {
    margin-top: -20px;
  }
  .greeting-img img {
    width: 70%;
    margin: 0 auto;
  }
  .signature {
    font-size: 16.15px !important;
    margin-top: -30px !important;
    text-align: center;
    margin-right: 0;
  }
  .profile-link {
    text-align: center;
    padding-left: 0;
  }

  /* History：写真をタイトルと説明文の間に配置 */
  .history {
    background: #f4f4f4;
  }
  .history .text-block {
    display: contents;
  }
  .history .image-block {
    display: contents;
  }
  .history .crest {
    order: 1;
    margin: 0 auto -24px;
    width: 88px;
    height: 88px;
  }
  .history h2 {
    order: 2;
    font-size: 23px;
  }
  .history-img-block img {
    order: 3;
    width: 90% !important;
    margin: -20px auto 0;
  }
  .history .text-block p {
    font-size: 17px;
    text-align: center;
  }
  .history p {
    order: 4;
    font-size: 15px;
  }
  .history .btn-link {
    order: 5;
    margin: 4px auto 0;
    font-size: 18px;
  }
  .history-label {
    font-size: 10px;
    text-align: left;
  }
  .history .history-label {
    order: 0;
    text-align: center;
    margin-bottom: -3px;
  }

  /* 教室案内：タイトル・説明文をセンター配置、写真の下にボタン */
  .class-info .text-block {
    display: contents;
  }
  .class-info h2 {
    order: 1;
    font-size: 23px;
    white-space: nowrap;
    text-align: center;
  }
  .class-info p {
    order: 2;
    text-align: center;
    font-size: 17px;
    white-space: nowrap;
  }
  .class-info .image-block {
    order: 3;
  }
  .class-info .image-block img {
    width: 90% !important;
    margin: 0 auto;
  }
  .class-info .btn-link {
    order: 4;
    display: block;
    margin: 20px auto 0;
    font-size: 18px;
    top: 0;
  }

  /* お知らせ：タイトルを1行に収める */
  .news {
    background: #f4f4f4;
  }
  .news .section-title {
    text-align: center;
  }
  .news-list {
    max-width: 640px;
  }
  .news-list li {
    gap: 32px;
    padding: 18px 0;
    font-size: 16px;
    justify-content: center;
  }
  .news-text {
    font-size: 17px;
  }
  .news-date {
    font-size: 17px;
  }

  /* 書籍のご案内 */
  .book {
    background: #f9f9f9;
  }
  .book .two-col {
    gap: 0;
    transform: none;
  }
  .book .text-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .book .section-label,
  .book .section-title {
    text-align: center;
  }
  .book .section-label {
    font-size: 17px;
    text-transform: uppercase;
  }
  .book .section-title {
    margin-bottom: 8px;
  }
  .book-cover {
    width: 80%;
    max-width: 269px;
  }
  .book-image {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 24px 0;
  }
  .book-title {
    margin-left: 0;
  }
  .book-desc {
    font-size: 17px;
    margin-bottom: 8px;
  }
  .book-buy {
    align-items: center;
    margin-top: 16px;
  }
  .btn-buy {
    width: 200px;
    max-width: 200px;
    padding: 14px 24px;
    font-size: 18px;
    text-align: center;
  }

  /* アクセス */
  .access {
    background: #f9f9f9;
  }
  .access .two-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .access .text-block {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
  }
  .access .text-block h2 {
    width: 100%;
    text-align: center;
    letter-spacing: 0.08em;
  }
  .access .text-block p {
    transform: translateX(50px);
  }
  .access .text-block p.access-renovation {
    font-size: 16.2px;
    text-align: left;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    transform: none;
  }
  .access .image-block {
    overflow: hidden;
  }
  .access .image-block iframe {
    width: 150%;
    margin-left: -50%;
  }

  /* お問い合わせ：お名前の下にメールアドレス */
  .contact {
    background: #fff;
  }
  .contact .section-title {
    letter-spacing: 0.08em;
    text-align: center;
  }
  .center-text {
    font-size: 17px;
    text-align: center;
  }
  .form-group label {
    font-size: 17px;
  }
  .form-row.two {
    grid-template-columns: 1fr;
  }
  .form-submit button {
    width: 200px;
    padding: 14px 40px;
    font-size: 18px;
    line-height: 1.8;
  }

  /* 2カラム → 1カラム */
  .two-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .two-col.reverse {
    direction: ltr;
  }
  .greeting .two-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* フッター */
  .footer-inner {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 24px 12px;
    text-align: center;
  }
  .footer-nav {
    flex-basis: 100%;
    gap: 8px 24px;
  }
  .footer-nav a {
    font-size: 15px;
  }
  .copyright {
    flex-basis: 100%;
  }
  .footer-nav ul {
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 20px;
  }
}