/* ==============================
   M&A Page Styles
============================== */

/* タブナビゲーション */
.ma-tabs {
  display: flex;
  border-bottom: 0.2rem solid var(--light-gray);
  overflow-x: auto;
  background: var(--white);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  box-shadow: var(--card-shadow);
}

.ma-tab {
  flex: 1;
  min-width: 15rem;
  padding: 1.5rem 2rem;
  text-align: center;
  background: var(--gray);
  border: none;
  cursor: pointer;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--black);
  transition: var(--transition);
  border-bottom: 0.3rem solid transparent;
  font-family: var(--main-font);
}

.ma-tab:hover {
  background: var(--light-blue);
  color: var(--blue);
}

.ma-tab.active {
  background: var(--white);
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* タブコンテンツ */
.ma-tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.ma-tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* M&A概要セクション */
.ma-overview {
  padding: 6rem 0 0;
  position: relative;
}

.ma-strategy-title {
  font-size: 3.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--blue) 0%, var(--hover-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 5rem;
  text-align: center;
  position: relative;
  font-family: "NotoSansJP-Bold", sans-serif;
}

.ma-strategy-title::after {
  content: "";
  display: block;
  width: 6rem;
  height: 0.4rem;
  background: linear-gradient(135deg, var(--blue) 0%, var(--hover-blue) 100%);
  margin: 2rem auto;
  border-radius: 0.2rem;
}

.ma-content,
.pmi-content {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-bottom: 6rem;
  padding: 3rem;
  background: var(--white);
  border-radius: 1.6rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(1rem);
  border: 0.1rem solid var(--light-gray);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ma-content:nth-child(even),
.pmi-content:nth-child(even) {
  flex-direction: row-reverse;
}

.ma-content-text,
.pmi-content-text {
  flex: 1;
  position: relative;
  z-index: 1;
}

.ma-content-image-wrapper,
.pmi-content-image-wrapper {
  flex: 1;
  position: relative;
  z-index: 1;
}

.ma-approach-title,
.pmi-partner-title {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 2rem;
  position: relative;
  padding-left: 2rem;
  font-family: "NotoSansJP-Bold", sans-serif;
}

.ma-approach-title::before,
.pmi-partner-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0.4rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--blue) 0%, var(--hover-blue) 100%);
  border-radius: 0.2rem;
}

.ma-content-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ma-content-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(58, 134, 255, 0.1) 0%,
    rgba(38, 103, 255, 0.1) 100%
  );
  opacity: 0;
  transition: var(--transition);
}

.ma-description,
.pmi-description {
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--text-color);
  margin-bottom: 0;
  text-align: left;
  position: relative;
  padding: 2rem;
  background: linear-gradient(
    135deg,
    rgba(58, 134, 255, 0.05) 0%,
    rgba(38, 103, 255, 0.05) 100%
  );
  border-radius: 1.2rem;
  border-left: 0.4rem solid var(--blue);
  font-family: var(--main-font);
}

/* PMIセクション */
.pmi-section {
  padding: 6rem 0 0;
  position: relative;
}

/* FAQセクション */
.faq-section {
  padding: 6rem 0 0;
  background: var(--white);
  border-radius: 1.6rem;
}

.qa-list:not(:first-child) {
  margin-top: 2rem;
}

.question-title {
  background: var(--gray);
  cursor: pointer;
  font-size: 1.6rem;
  padding: 2rem 4rem;
  position: relative;
}

.question-title:before {
  position: absolute;
  display: block;
  content: "Q";
  top: 1.8rem;
  left: 1.2rem;
  color: var(--blue);
  font-size: 2rem;
}

.question-title:after {
  position: absolute;
  display: block;
  content: "";
  top: 35%;
  right: 22px;
  width: 8px;
  height: 8px;
  border-top: 2px solid #000;
  border-right: 2px solid #000;
  transform: rotate(135deg);
  transition: all 0.3s ease-in-out;
}

.question-title.open:after {
  transform: rotate(-45deg);
  top: 45%;
}

.answer-text {
  border-left: 1px solid var(--gray);
  border-right: 1px solid var(--gray);
  border-bottom: 1px solid var(--gray);
  display: none;
  padding: 2rem 4rem;
  position: relative;
}

.answer-text p {
  font-size: 1.6rem;
  line-height: 1.6;
}

.answer-text a {
  border-bottom: 2px solid var(--blue);
  color: var(--blue);
}

.answer-text:before {
  position: absolute;
  display: block;
  content: "A";
  top: 18px;
  left: 12px;
  color: var(--blue);
  font-size: 2rem;
}

/* お問い合わせセクション */
.contact-section {
  padding: 4rem 0;
  background: var(--white);
  border-radius: 1.6rem;
  margin: 2rem 0;
}

.contact-intro {
  text-align: center;
  margin-bottom: 2rem;
}

.contact-intro h3 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 1.5rem;
  font-family: "NotoSansJP-Bold", sans-serif;
}

.contact-intro p {
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--black);
  margin-bottom: 1rem;
}

.contact-form {
  max-width: 60rem;
  margin: 0 auto;
  background: var(--gray);
  padding: 4rem;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
}

.form-group {
  margin-bottom: 2.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.8rem;
  font-size: 1.6rem;
  font-family: var(--main-font);
}

.required {
  color: #e74c3c;
  margin-left: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1.2rem 1.6rem;
  border: 0.1rem solid var(--light-gray);
  border-radius: 0.6rem;
  font-size: 1.6rem;
  transition: var(--transition);
  font-family: var(--main-font);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 0.2rem rgba(58, 134, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 12rem;
}

.submit-btn {
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--blue) 0%, var(--hover-blue) 100%);
  color: var(--white);
  border: none;
  border-radius: 0.6rem;
  font-size: 1.6rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--main-font);
}

.submit-btn:hover {
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--blue) 100%);
  transform: translateY(-0.2rem);
  box-shadow: 0 0.6rem 2rem rgba(58, 134, 255, 0.3);
}

/* エラーメッセージ */
.error-message {
  color: #d32f2f;
  font-size: 1.4rem;
  margin: 0.5rem 0;
  font-weight: 600;
}

.error-message:last-child {
  margin-bottom: 0;
}

/* 確認・完了画面共通スタイル */
.confirm-section,
.complete-section {
  max-width: 80rem;
  margin: 0 auto;
}

.confirm-title,
.complete-title {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 2rem;
  font-family: "NotoSansJP-Bold", sans-serif;
}

/* 確認画面専用スタイル */
.confirm-message {
  text-align: center;
  margin-bottom: 2rem;
}

.confirm-text {
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--text-color);
  font-family: var(--main-font);
}

.confirm-form {
  background: var(--white);
  border-radius: 1.6rem;
  padding: 4rem;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--gray);
}

.confirm-table {
  margin-bottom: 4rem;
}

.confirm-row {
  display: flex;
  border-bottom: 0.1rem solid var(--light-gray);
  padding: 2rem 0;
}

.confirm-row:first-child {
  border-top: 0.1rem solid var(--light-gray);
}

.confirm-label {
  width: 20rem;
  font-weight: 700;
  color: var(--text-color);
  font-size: 1.6rem;
  font-family: "NotoSansJP-Bold", sans-serif;
}

.confirm-value {
  flex: 1;
  color: var(--secondary-text);
  font-size: 1.6rem;
  line-height: 1.8;
  font-family: var(--main-font);
}

.confirm-actions {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* 完了画面専用スタイル */
.complete-message {
  background: var(--white);
  border-radius: 1.6rem;
  padding: 4rem;
  box-shadow: var(--card-shadow);
  text-align: center;
  margin: 2rem 0;
}

.complete-text {
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--text-color);
  margin-bottom: 3rem;
  font-family: var(--main-font);
}

.confirm-actions,
.complete-actions {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 1.5rem 3rem;
  border-radius: 0.8rem;
  text-decoration: none;
  font-size: 1.6rem;
  font-weight: 600;
  transition: var(--transition);
  min-width: 18rem;
  text-align: center;
  font-family: var(--main-font);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--hover-blue) 100%);
  color: var(--white) !important;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--blue) 100%);
  transform: translateY(-0.2rem);
  box-shadow: 0 0.6rem 2rem rgba(58, 134, 255, 0.3);
}

.btn-secondary {
  background: var(--gray);
  color: var(--text-color);
  border: 0.1rem solid var(--light-gray);
}

.btn-secondary:hover {
  background: var(--light-gray);
  transform: translateY(-0.2rem);
  box-shadow: 0 0.6rem 2rem rgba(0, 0, 0, 0.1);
}

.privacy_link {
  padding: 0 0 3rem 0;
  text-align: center;
  font-size: 1.4rem;
}

.privacy_link a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid #333;
}

/* レスポンシブ対応 */
@media (max-width: 76.8rem) {
  .ma-tabs {
    flex-wrap: wrap;
  }

  .ma-tab {
    min-width: 12rem;
    flex: 1;
    padding: 1.2rem 1.5rem;
    font-size: 1.4rem;
  }

  .ma-content,
  .pmi-content {
    flex-direction: column !important;
    gap: 2rem;
    padding: 2.5rem 1rem;
    margin-bottom: 3rem;
  }

  .ma-content-image,
  .pmi-content-image {
    max-width: 100%;
  }

  /* Q&A */
  .question-title {
    font-size: 1.4rem;
    padding: 2rem 4rem;
  }

  .question-title:before {
    font-size: 2rem;
    top: 1.3rem;
  }

  .answer-text p {
    font-size: 1.4rem;
  }

  .answer-text:before {
    font-size: 2rem;
    top: 1.3rem;
  }

  .contact-form {
    padding: 3rem 2rem;
    /* margin: 0 2rem; */
  }

  .ma-strategy-title {
    font-size: 2.2rem;
    margin-bottom: 2rem;
  }

  .ma-strategy-title::after {
    margin: 1rem auto 2rem;
  }

  .ma-approach-title,
  .pmi-partner-title {
    font-size: 2rem;
  }

  .ma-overview,
  .pmi-section,
  .faq-section,
  .contact-section {
    padding: 3rem 0 0;
    margin: 1rem 0;
  }

  .ma-description,
  .pmi-description {
    padding: 1.5rem;
    font-size: 1.4rem;
  }

  .complete-message {
    padding: 2rem;
  }

  .confirm-title,
  .complete-title {
    font-size: 2.4rem;
  }

  .contact-intro p {
    font-size: 1.4rem;
  }

  .confirm-form {
    padding: 3rem 2rem;
  }

  .confirm-row {
    flex-direction: column;
    gap: 1rem;
  }

  .confirm-label {
    width: auto;
  }

  .confirm-actions,
  .complete-actions {
    flex-direction: column;
    align-items: center;
  }
}