@charset "UTF-8";

/* ============================================================
   Student Dev Service Page Styles (Inspired by Corporate Web Production)
   ============================================================ */

/* メインビジュアル / ビルボード */
.billboard {
  width: 100%;
  height: auto;
  position: relative;
  overflow: hidden;
  margin-top: -80px; /* ヘッダーの高さ分引き上げる */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.billboard .background {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  width: 100%;
  height: 100%;
}

.billboard .background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55);
}

.billboard .animation-object {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(37, 131, 255, 0.15), rgba(0, 0, 0, 0.35));
  z-index: 2;
  width: 100%;
  height: 100%;
}

.page-title-wrapper {
  width: 100%;
  padding: 192px 96px 120px;
  background: transparent;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  position: relative;
  z-index: 3;
}

.page-title-area {
  max-width: 1200px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  text-shadow: 1px 1px 10px rgba(0, 0, 0, 0.8);
}

.page-title {
  font-family: "Montserrat", "Noto Sans JP", -apple-system, sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: #ffffff;
  font-weight: 800; /* より存在感のある太さに */
  width: fit-content;
  margin-bottom: 10px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0.4, 0, 1) forwards 0.2s;
}

.page-sub-title {
  font-family: "Noto Sans JP", -apple-system, sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: #ffffff;
  font-weight: 700;
  width: fit-content;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0.4, 0, 1) forwards 0.4s;
  text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.9);
}

/* 記事メインエリア */
.page-article.student-dev-article {
  background-color: #F8F8FF;
  width: 100%;
  padding: 72px 48px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.student-dev-article .page-content {
  max-width: 1200px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0 24px;
}

/* セクションヘッダー */
.student-dev-article .section-header {
  width: 100%;
  margin-bottom: 40px;
  margin-top: 80px;
}

.student-dev-article .section-title-h2 {
  font-family: "Noto Sans JP", -apple-system, sans-serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  margin-top: 80px;
  position: relative;
  padding-bottom: 4px;
  border-bottom: 4px solid #b4d8f1;
  color: #1a1a1a;
  width: fit-content;
  text-align: left;
}

.student-dev-article .section-title-h2::before {
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 30%;
  height: 4px;
  content: '';
  background: #2583ff;
}

.student-dev-article .section-title-h3 {
  font-family: "Noto Sans JP", -apple-system, sans-serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  margin-top: 80px;
  border-left: solid 4px #2583ff;
  padding-left: 0.5em;
  color: #1a1a1a;
  width: 100%;
}

/* 最初の要素の余白リセット */
.student-dev-article .page-content > :first-child,
.student-dev-article .page-content > .section-header:first-child,
.student-dev-article .page-content > .section-header:first-child .section-title-h2 {
  margin-top: 0 !important;
}

.student-dev-article .page-text {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 16px;
}

.student-dev-article p.page-text {
  text-align: left;
  width: 100%;
}

/* お悩み / ターゲットセクション */
.student-dev-article .operated-section {
  width: 100%;
  margin-top: 24px;
}

.student-dev-article .operated-sites {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  width: 100%;
}

.student-dev-article .operated-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.student-dev-article .operated-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(37, 131, 255, 0.1);
}

.student-dev-article .operated-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.student-dev-article .operated-content {
  padding: 20px;
  background-color: #fff;
  border-radius: 0 0 12px 12px;
  flex: 1;
}

.student-dev-article .operated-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  color: #1a1a1a;
}

.student-dev-article .operated-sub {
  font-size: 12px;
  color: #3aa0ff;
  font-weight: 600;
  margin-bottom: 10px;
}

.student-dev-article .operated-content .page-text {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
}

/* サービス内容グリッド */
.student-dev-article .services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 28px 0;
  width: 100%;
}

.student-dev-article .service-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  width: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.student-dev-article .service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(37, 131, 255, 0.1);
}

.student-dev-article .service-icon {
  display: none; /* 元のデザインでは非表示 */
}

.student-dev-article .service-content {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.student-dev-article .service-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.student-dev-article .service-description {
  font-size: 12px;
  color: #555;
  margin-bottom: 14px;
  line-height: 1.5;
  font-weight: 500;
}

.student-dev-article .service-features {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
}

.student-dev-article .service-features li {
  font-size: 13px;
  color: #555;
  margin-bottom: 8px;
  padding-left: 16px;
  position: relative;
  line-height: 1.4;
}

.student-dev-article .service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #3aa0ff;
  font-weight: 700;
  font-size: 12px;
}

/* サービスの特徴グリッド */
.student-dev-article .features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 28px 0;
  width: 100%;
}

.student-dev-article .feature-card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  padding: 24px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.student-dev-article .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(37, 131, 255, 0.08);
}

.student-dev-article .feature-step {
  font-family: "Orbitron", sans-serif;
  color: #3aa0ff;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 8px;
}

.student-dev-article .feature-title {
  font-family: "Noto Sans JP", -apple-system, sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  color: #1a1a1a;
}

.student-dev-article .feature-card .page-text {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
  margin: 0;
}

/* 開発者プロフィール */
.student-dev-article .profile-section {
  width: 100%;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: 32px;
  margin: 28px 0;
}

.student-dev-article .profile-container {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  align-items: center;
}

.student-dev-article .profile-image-wrapper {
  text-align: center;
}

.student-dev-article .profile-image {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #f0f8ff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.student-dev-article .profile-details {
  text-align: left;
}

.student-dev-article .profile-name {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 6px;
}

.student-dev-article .profile-title-sub {
  font-size: 13px;
  color: #3aa0ff;
  font-weight: 600;
  margin-bottom: 16px;
}

.student-dev-article .profile-bullets li {
  line-height: 1.6;
  font-size: 13px;
  color: #555;
}

/* 制作の流れ */
.student-dev-article .process-container {
  margin: 28px 0;
  width: 100%;
}

.student-dev-article .process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.student-dev-article .process-card {
  position: relative;
}

.student-dev-article .process-card-inner {
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.student-dev-article .process-card-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(58, 160, 255, 0.3);
}

.student-dev-article .process-icon {
  width: 36px;
  height: 36px;
  background: rgba(58, 160, 255, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: #3aa0ff;
  font-size: 16px;
  border: 1px solid rgba(58, 160, 255, 0.2);
}

.student-dev-article .process-number {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(58, 160, 255, 0.1);
  color: #3aa0ff;
  font-family: "Orbitron", sans-serif;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 12px;
  border: 1px solid rgba(58, 160, 255, 0.2);
}

.student-dev-article .process-title {
  font-family: "Noto Sans JP", -apple-system, sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.student-dev-article .process-card-inner .page-text {
  font-size: 13px;
  line-height: 1.5;
  color: #555;
  margin-bottom: 12px;
  text-align: center;
}

.student-dev-article .process-duration {
  background: linear-gradient(135deg, #f0f8ff, #e6f3ff);
  color: #3aa0ff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 20px;
  display: inline-block;
  border: 1px solid rgba(58, 160, 255, 0.2);
  margin-top: auto;
}

.student-dev-article .process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3aa0ff;
  font-size: 16px;
  opacity: 0.5;
  margin: 0 8px;
}

@media screen and (min-width: 1025px) {
  .student-dev-article .process-arrow {
    display: none;
  }
}

/* 料金プラン */
.student-dev-article .pricing-container {
  width: 100%;
  margin: 28px 0;
}

.student-dev-article .pricing-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.student-dev-article .pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(37, 131, 255, 0.12);
}

.student-dev-article .pricing-yearly {
  border: 2px solid #3aa0ff;
}

.student-dev-article .pricing-header {
  padding: 28px 20px 16px;
  text-align: center;
  position: relative;
  background-color: #fcfdfe;
}

.student-dev-article .pricing-badge {
  display: inline-block;
  background: linear-gradient(135deg, #3aa0ff, #2583ff);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.student-dev-article .pricing-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
  line-height: 1.4;
}

.student-dev-article .pricing-price {
  font-size: 28px;
  font-weight: 800;
  color: #3aa0ff;
  margin-bottom: 0;
  line-height: 1.2;
}

.student-dev-article .pricing-content {
  padding: 24px;
}

.student-dev-article .pricing-content .page-text {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
  margin-bottom: 16px;
  text-align: center;
}

.student-dev-article .pricing-details {
  border-top: 1px solid #f0f0f0;
  padding-top: 16px;
  margin-top: 16px;
}

.student-dev-article .pricing-detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.student-dev-article .detail-label {
  font-size: 14px;
  font-weight: 600;
  color: #333;
}

.student-dev-article .detail-value {
  font-size: 16px;
  font-weight: 700;
  color: #3aa0ff;
}

.student-dev-article .detail-note {
  font-size: 12px;
  line-height: 1.5;
  color: #666;
  margin-top: 8px;
  text-align: left;
}

/* 制作実績 */
.student-dev-article .works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  width: 100%;
  margin: 28px 0;
}

.student-dev-article .work-card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.student-dev-article .work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(37, 131, 255, 0.1);
  text-decoration: none;
  color: inherit;
}

.student-dev-article .work-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.student-dev-article .work-content {
  padding: 20px;
  background-color: #fff;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.student-dev-article .work-title {
  font-size: 16px;
  margin-bottom: 8px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a1a1a;
}

.student-dev-article .work-description {
  font-size: 13px;
  color: #666;
  line-height: 1.5;
  margin-bottom: 12px;
  flex: 1;
}

.student-dev-article .work-meta {
  font-size: 12px;
  color: #9aa4ad;
  font-weight: 500;
}

/* FAQ */
.student-dev-article .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0 32px;
  width: 100%;
}

.student-dev-article .faq-item {
  background: #fff;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  width: 100%;
}

.student-dev-article .faq-item summary {
  padding: 16px 40px 16px 18px;
  cursor: pointer;
  list-style: none;
  outline: none;
  position: relative;
  font-weight: 600;
  color: #1a1a1a;
}

.student-dev-article .faq-item summary::-webkit-details-marker {
  display: none;
}

.student-dev-article .faq-item summary::after {
  content: '▼';
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  color: #9aa4ad;
  transition: transform 0.2s ease;
}

.student-dev-article .faq-item[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
}

.student-dev-article .faq-item summary:hover {
  background-color: #fafbfc;
}

.student-dev-article .faq-a {
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.6;
  color: #555;
  border-top: 1px solid #f0f0f0;
}

.student-dev-article .faq-label {
  font-weight: 700;
  margin-right: 6px;
}

.student-dev-article .faq-q .faq-label {
  color: #3aa0ff;
}

.student-dev-article .faq-a .faq-label {
  color: #fa8c16;
}

/* CTA インラインボタン */
.student-dev-article .cta-section-inline {
  width: 100%;
  margin: 28px 0 8px;
  display: flex;
  justify-content: center;
}

.student-dev-article .cta-button-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #2583ff;
  border: 1px solid #2583ff;
  border-radius: 999px;
  padding: 12px 32px;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease;
  box-shadow: 0 4px 12px rgba(37, 131, 255, 0.2);
}

.student-dev-article .cta-button-inline:hover {
  background-color: #1e6cd9;
  border-color: #1e6cd9;
  color: #fff;
  transform: translateY(-1px);
}

.student-dev-article .cta-button-inline-icon {
  margin-left: 8px;
  font-size: 12px;
}

/* CTA ヒーローセクション */
.student-dev-article .cta-hero-section {
  position: relative;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  padding: 60px 48px;
  text-align: center;
  margin-top: 48px;
}

.student-dev-article .cta-hero-background {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.student-dev-article .cta-hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.3);
}

.student-dev-article .cta-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.student-dev-article .cta-hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  margin: 0 auto;
}

.student-dev-article .cta-hero-title {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.student-dev-article .cta-hero-description {
  font-size: 14px;
  color: #eee;
  margin-bottom: 24px;
}

.student-dev-article .cta-hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #3aa0ff;
  border: 1px solid #3aa0ff;
  border-radius: 999px;
  padding: 14px 40px;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  font-size: 15px;
  transition: transform 0.2s ease, background-color 0.2s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

.student-dev-article .cta-hero-button:hover {
  background-color: #2583ff;
  border-color: #2583ff;
  color: #fff;
  transform: translateY(-1px);
}

.student-dev-article .cta-hero-button-icon {
  margin-left: 8px;
  font-size: 12px;
}

/* アニメーションキーフレーム */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* レスポンシブ */
@media screen and (max-width: 1279px) {
  .student-dev-article .operated-sites {
    gap: 20px;
  }
  .student-dev-article .services-grid {
    gap: 20px;
  }
  .student-dev-article .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .student-dev-article .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .student-dev-article .process-arrow {
    display: none;
  }
}

@media screen and (max-width: 768px) {
  .page-title-wrapper {
    padding: 120px 24px 80px;
    align-items: flex-start;
  }
  .page-title-area {
    align-items: flex-start;
    width: 100%;
  }
  .page-title {
    text-align: left;
    width: 100%;
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }
  .page-sub-title {
    text-align: left;
    width: 100%;
    font-size: clamp(0.95rem, 4vw, 1.15rem);
    margin-top: 12px;
  }
  .student-dev-article .section-title-h2 {
    font-size: 20px;
    margin-top: 56px;
    width: 100%;
    text-align: left;
  }
  .student-dev-article .section-title-h3 {
    font-size: 18px;
    margin-top: 56px;
    text-align: left;
  }
  .page-article.student-dev-article {
    padding: 48px 20px;
  }
  .student-dev-article .page-content {
    padding: 0;
  }
  .student-dev-article .operated-sites {
    grid-template-columns: 1fr;
  }
  .student-dev-article .services-grid {
    grid-template-columns: 1fr;
  }
  .student-dev-article .features-grid {
    grid-template-columns: 1fr;
  }
  .student-dev-article .profile-container {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center;
  }
  .student-dev-article .profile-details {
    text-align: center;
  }
  .student-dev-article .profile-bullets {
    display: inline-block;
    text-align: left;
  }
  .student-dev-article .process-timeline {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .student-dev-article .works-grid {
    grid-template-columns: 1fr;
  }
  .student-dev-article .cta-hero-section {
    padding: 40px 24px;
  }
  .student-dev-article .cta-hero-title {
    font-size: 18px;
  }
  .student-dev-article .cta-hero-button {
    padding: 12px 28px;
    font-size: 14px;
  }
}