@charset "UTF-8";
.articles {
  background: #f8fafc;
  padding: 2rem 1rem;
}
.articles h1 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: #334155;
}
.articles .subtitle {
  text-align: center;
  color: #64748b;
  margin-bottom: 2rem;
}

.article-show {
  padding: 2rem 1rem;
}
.article-show .link-back {
  display: inline-block;
  margin-bottom: 0.6rem;
  color: #0f766e;
  text-decoration: none;
}
.article-show .article-card.large {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  padding: 1.4rem;
}
.article-show .article-card.large h1.article-title {
  color: #0f766e;
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}
.article-show .article-card.large .meta {
  color: #64748b;
  margin-bottom: 0.8rem;
}
.article-show .article-card.large .article-body {
  color: #334155;
  line-height: 1.8;
  font-size: 1rem;
}
.article-show .article-card.large .article-body .article-lead {
  background: rgba(15, 118, 110, 0.03);
  border-left: 4px solid #0f766e;
  padding: 1.2rem;
  margin-bottom: 2rem;
  font-size: 1.1rem;
  line-height: 1.7;
  color: #334155;
  border-radius: 0 8px 8px 0;
}
.article-show .article-card.large .article-body .article-h2 {
  font-size: 1.4rem;
  font-weight: bold;
  color: #0f766e;
  margin: 2rem 0 1rem;
  border-left: 4px solid #0f766e;
  padding-left: 0.8rem;
}
.article-show .article-card.large .article-body .article-h3 {
  font-size: 1.2rem;
  font-weight: bold;
  margin: 1.5rem 0 0.8rem;
  color: #334155;
}
.article-show .article-card.large .article-body .article-p {
  margin-bottom: 1.2rem;
  line-height: 1.8;
  color: #334155;
}
.article-show .article-card.large .article-body .article-ul {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
}
.article-show .article-card.large .article-body .article-li {
  margin-bottom: 0.5rem;
}
.article-show .article-card.large .article-body .article-strong {
  font-weight: bold;
  background: linear-gradient(transparent 60%, rgba(15, 118, 110, 0.2) 60%);
  padding: 0 0.2rem;
  color: inherit;
}
.article-show .share {
  margin-top: 1rem;
}
.article-show .share .share-list {
  display: flex;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
}
.article-show .share .share-list li .share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  padding: 0.45rem 0.7rem;
  border-radius: 0.6rem;
  text-decoration: none;
}
.article-show .related {
  margin-top: 3rem;
  border-top: 1px solid #e2e8f0;
  padding-top: 2rem;
}
.article-show .related .related-title {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: #334155;
}
.article-show .related .articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 600px) {
  .article-show .related .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.category-label {
  background: rgba(15, 118, 110, 0.1);
  color: #0f766e;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: bold;
  display: inline-block;
  margin-right: 0.5rem;
}

.article-card .article-card__thumb, .article-card-redesign .article-card__thumb {
  position: relative;
}
.article-card .article-card__thumb .category-label, .article-card-redesign .article-card__thumb .category-label {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  background: #ffffff;
  z-index: 10;
  margin-right: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.step-detail {
  padding: 2rem 0;
  background: #f8fafc;
}
.step-detail .container {
  max-width: 800px;
  margin: 0 auto;
}
.step-detail .step-hero {
  text-align: center;
  margin-bottom: 2rem;
}
.step-detail .step-hero__img {
  max-width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.step-detail .page-title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 1.25rem;
  color: #334155;
  line-height: 1.3;
}
@media (min-width: 768px) {
  .step-detail .page-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    line-height: 1.4;
  }
}
.step-detail .page-intro {
  text-align: center;
  margin-bottom: 3rem;
  color: #64748b;
  line-height: 1.8;
}
.step-detail .content-block {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
  margin-bottom: 2rem;
}
@media (min-width: 768px) {
  .step-detail .content-block {
    padding: 2.5rem;
  }
}
.step-detail .content-block .block-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid rgb(56.2631578947, 229.7368421053, 216.2631578947);
  padding-bottom: 0.5rem;
}
.step-detail .content-block .block-header .icon-img {
  width: 48px;
  height: 48px;
  margin-right: 1rem;
  object-fit: contain;
}
.step-detail .content-block .block-header h2 {
  font-size: 1.5rem;
  color: #0f766e;
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
}
.step-detail .content-block p {
  line-height: 1.8;
  color: #334155;
  margin-bottom: 1.5rem;
}
.step-detail .content-block .point-list, .step-detail .content-block .step-up-list, .step-detail .content-block .flow-list, .step-detail .content-block .check-list, .step-detail .content-block .security-check {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.step-detail .content-block .point-list li, .step-detail .content-block .step-up-list li, .step-detail .content-block .flow-list li, .step-detail .content-block .check-list li, .step-detail .content-block .security-check li {
  margin-bottom: 0.8rem;
}
.step-detail .content-block .step-up-list li {
  font-weight: bold;
}
.step-detail .content-block .step-up-list li .badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: #f0f0f0;
  font-size: 0.8rem;
  margin-right: 0.5rem;
  vertical-align: middle;
}
.step-detail .content-block .highlight {
  background: #e3f2fd;
  padding: 1.5rem;
  border-radius: 8px;
  color: #0d47a1;
  font-weight: bold;
  border-left: 5px solid #2196f3;
}
.step-detail .content-block .tips-note {
  background: #fff3e0;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #ef6c00;
}
.step-detail .content-block .tips-note.warning {
  background: #ffebee;
  color: #c62828;
}
.step-detail .content-block .sub-block {
  margin-top: 2rem;
  margin-bottom: 2rem;
}
.step-detail .content-block .sub-block h3 {
  font-size: 1.15rem;
  color: #334155;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
}
@media (min-width: 768px) {
  .step-detail .content-block .sub-block h3 {
    font-size: 1.3rem;
  }
}
.step-detail .content-block .sub-block h3:before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #0ea5e9;
  border-radius: 50%;
  margin-right: 0.8rem;
}
.step-detail .content-block .comparison-box {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}
@media (max-width: 600px) {
  .step-detail .content-block .comparison-box {
    flex-direction: column;
  }
}
.step-detail .content-block .comparison-box .comparison-item {
  flex: 1;
  background: #f8fafc;
  padding: 1rem;
  border-radius: 8px;
}
.step-detail .content-block .comparison-box .comparison-item h4 {
  font-size: 1rem;
  text-align: center;
  margin-bottom: 0.5rem;
}
.step-detail .content-block .comparison-box .comparison-item p {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0;
}
.step-detail .content-block .cta-area {
  text-align: center;
  margin-top: 2rem;
}
.step-detail .step-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.step-card {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 32px;
  background-color: #ffffff;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}
.step-card__header {
  text-align: center;
  margin-bottom: 2rem;
  border-bottom: 2px solid #f8fafc;
  padding-bottom: 1rem;
}
.step-card__header h2 {
  margin-bottom: 0.5rem;
}
.step-card__intro {
  color: #64748b;
  font-size: 0.9rem;
}
.step-card__content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.step-card__content h3 {
  font-size: 1.4rem;
  color: #334155;
  margin-bottom: 1.5rem;
  background: linear-gradient(transparent 70%, #e0f2ff 70%);
  display: inline-block;
}
.step-card__content h4 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #64748b;
  font-weight: bold;
}
.step-card__content ul {
  list-style-type: none;
  padding: 0;
  margin: 0 0 2rem 0;
  color: #64748b;
  text-align: left;
  display: block;
}
.step-card__content ul li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 1.5rem;
}
.step-card__content ul li:before {
  content: "✔";
  position: absolute;
  left: 0;
  color: #0f766e;
  font-weight: bold;
}

/* ====== Tips Box (警告・注意) ====== */
.tips {
  padding: 3rem 1rem;
  background-color: #fff3cd;
  color: #856404;
}

.tips-box {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid #ffeeba;
  margin-top: 1.5rem;
}
.tips-box.warning {
  border-color: #f5c6cb;
  background-color: #ffffff;
  color: #721c24;
}
.tips-box.warning h3 {
  color: #721c24;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.tips-box.warning ul {
  margin-bottom: 0;
}

/* ====== 取引所セクション ====== */
.exchange-criteria {
  background: #f8fafc;
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 2rem;
}
.exchange-criteria h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: #334155;
}
.exchange-criteria ol {
  list-style-type: decimal;
  margin-left: 20px;
  color: #64748b;
}
.exchange-criteria ol li {
  margin-bottom: 0.5rem;
  font-weight: bold;
}

.exchange-list {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 600px) {
  .exchange-list {
    grid-template-columns: 1fr 1fr;
  }
}

.exchange {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  background: #ffffff;
}
.exchange h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: #334155;
}
.exchange p {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 1.5rem;
}

/* ====== フッターノート ====== */
.footer-note {
  padding: 1rem;
  font-size: 0.8rem;
  background: #f8fafc;
}
.footer-note .text-right {
  text-align: right;
}

/* ====== ビジュアル補助 ====== */
.step-visual {
  text-align: center;
  margin-bottom: 1.5rem;
}
.step-visual .step-img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  max-height: 200px;
  object-fit: contain;
}

/* ====== ウォレットカード ====== */
.section-intro {
  text-align: center;
  margin-bottom: 2rem;
  color: #64748b;
}

.wallet-list {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .wallet-list {
    grid-template-columns: 1fr 1fr;
  }
}

.wallet-card {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #ffffff;
  padding: 1.5rem;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
}
.wallet-card__header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #f8fafc;
  padding-bottom: 1rem;
}
.wallet-card__header .wallet-card__logo {
  width: 50px;
  height: 50px;
  background: #334155;
  color: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  margin-right: 1rem;
  flex-shrink: 0;
}
.wallet-card__header .wallet-card__title h3 {
  margin: 0;
  font-size: 1.2rem;
  color: #334155;
}
.wallet-card__header .wallet-card__title p {
  margin: 0;
  font-size: 0.8rem;
  color: #64748b;
}
.wallet-card__body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.wallet-card__body .feature-list {
  list-style: disc;
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: #334155;
}
.wallet-card__body .feature-list li {
  margin-bottom: 0.5rem;
}
.wallet-card__body .invite-box {
  background: #f8fafc;
  border: 1px dashed #64748b;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.wallet-card__body .invite-box .label {
  display: block;
  font-size: 0.75rem;
  color: #64748b;
  margin-bottom: 0.5rem;
}
.wallet-card__body .invite-box .code-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.wallet-card__body .invite-box .code-display .code {
  font-family: monospace;
  font-size: 1.2rem;
  font-weight: bold;
  color: #334155;
  background: #ffffff;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid #f8fafc;
}
.wallet-card__body .invite-box .code-display .copy-btn {
  background: #eee;
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
}
.wallet-card__body .invite-box .code-display .copy-btn:hover {
  background: #e0e0e0;
}
.wallet-card__body .wallet-card__action {
  text-align: center;
  margin-top: auto;
}
.wallet-card__body .wallet-card__action .disclaimer {
  font-size: 0.7rem;
  color: #64748b;
  margin-top: 0.5rem;
}

.header {
  background: #0f766e;
  color: #ffffff;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 0;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header .logo {
  display: flex;
  align-items: center;
}
.header .logo img {
  height: 50px;
  margin-right: 0.5rem;
}
.header .nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.header .nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}
.header .nav a:hover {
  opacity: 0.8;
}
.header .header-cta {
  background: #0ea5e9;
  color: #ffffff !important;
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-weight: bold;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}
.header .header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  opacity: 1 !important;
}

.footer {
  background: #ffffff;
  border-top: 1px solid #e2e8f0;
  padding: 3rem 0 1rem;
  font-size: 0.9rem;
  color: #64748b;
}
.footer .footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  text-align: left;
}
@media (min-width: 600px) {
  .footer .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.footer .footer-col h4 {
  font-size: 1rem;
  font-weight: bold;
  color: #0f766e;
  margin-bottom: 1rem;
}
.footer .footer-col ul.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer .footer-col ul.footer-links li {
  margin-bottom: 0.8rem;
}
.footer .footer-col ul.footer-links li a {
  color: #334155;
  text-decoration: none;
  transition: color 0.2s;
}
.footer .footer-col ul.footer-links li a:hover {
  color: #0ea5e9;
}
.footer .footer-disclaimer {
  border-top: 1px solid rgba(15, 118, 110, 0.05);
  padding-top: 2rem;
  margin-top: 2rem;
  font-size: 0.8rem;
  color: #64748b;
  text-align: center;
}
.footer .footer-disclaimer p {
  margin-bottom: 0.5rem;
}
.footer .copyright {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: rgba(100, 116, 139, 0.5);
}

button, .c-btn {
  display: inline-block;
  background: #0ea5e9;
  color: white;
  border: none;
  border-radius: 12px;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: background 0.2s, transform 0.1s;
}
button:hover, .c-btn:hover {
  background: rgb(12.5546558704, 147.9655870445, 208.9453441296);
  transform: translateY(-1px);
}
button:active, .c-btn:active {
  transform: translateY(1px);
}

.hero-redesign {
  padding: 4rem 1rem;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .hero-redesign {
    padding: 6rem 1rem;
  }
}
.hero-redesign .container {
  max-width: 1000px;
}
.hero-redesign .hero__grid {
  display: flex;
  flex-direction: column-reverse;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 768px) {
  .hero-redesign .hero__grid {
    flex-direction: row;
    gap: 3rem;
    justify-content: space-between;
    text-align: left;
  }
}
.hero-redesign .hero__text {
  flex: 1;
  text-align: center;
}
@media (min-width: 768px) {
  .hero-redesign .hero__text {
    text-align: left;
  }
}
.hero-redesign .hero__visual {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
}
.hero-redesign .hero__visual .hero__main-img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
  border-radius: 20px;
  transition: transform 0.3s ease;
}
.hero-redesign .hero__visual .hero__main-img:hover {
  transform: translateY(-5px);
}
.hero-redesign .hero__title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  color: #0f766e;
  letter-spacing: 0.02em;
}
@media (min-width: 768px) {
  .hero-redesign .hero__title {
    font-size: 2.8rem;
    line-height: 1.4;
    letter-spacing: 0.05em;
  }
}
.hero-redesign .hero__sub {
  font-size: 0.95rem;
  color: #64748b;
  margin-bottom: 2rem;
  line-height: 1.7;
}
@media (min-width: 768px) {
  .hero-redesign .hero__sub {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
  }
}
.hero-redesign .hero__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}
@media (min-width: 480px) {
  .hero-redesign .hero__actions {
    flex-direction: row;
  }
}
@media (min-width: 768px) {
  .hero-redesign .hero__actions {
    justify-content: flex-start;
  }
}

.c-btn--lg {
  padding: 1rem 2rem;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.c-btn--lg .btn-icon {
  font-size: 1.2rem;
}

.steps-redesign {
  background: #ffffff;
  padding: 4rem 1rem;
  text-align: center;
}
.steps-redesign .section-header {
  max-width: 600px;
  margin: 0 auto 3rem auto;
}
.steps-redesign .section-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: #0f766e;
  margin-bottom: 0.5rem;
}
@media (min-width: 768px) {
  .steps-redesign .section-title {
    font-size: 2rem;
  }
}
.steps-redesign .section-sub {
  font-size: 0.9rem;
  color: #64748b;
}
@media (min-width: 768px) {
  .steps-redesign .section-sub {
    font-size: 1rem;
  }
}
.steps-redesign .steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 2rem;
}
@media (min-width: 480px) {
  .steps-redesign .steps-grid {
    gap: 1rem;
  }
}
@media (min-width: 768px) {
  .steps-redesign .steps-grid {
    gap: 2rem;
    margin-bottom: 3rem;
  }
}
.steps-redesign .steps-grid .step-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 1rem 0.5rem;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
@media (min-width: 768px) {
  .steps-redesign .steps-grid .step-card {
    border-radius: 20px;
    padding: 2rem;
  }
}
.steps-redesign .steps-grid .step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  border-color: #0f766e;
}
.steps-redesign .steps-grid .step-card .step-label {
  background: rgba(15, 118, 110, 0.08);
  color: #0f766e;
  font-weight: bold;
  font-size: 0.6rem;
  padding: 0.1rem 0.4rem;
  border-radius: 20px;
  margin-bottom: 0.75rem;
  display: inline-block;
}
@media (min-width: 768px) {
  .steps-redesign .steps-grid .step-card .step-label {
    font-size: 0.8rem;
    padding: 0.2rem 0.8rem;
    margin-bottom: 1.5rem;
  }
}
.steps-redesign .steps-grid .step-card .step-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
@media (min-width: 768px) {
  .steps-redesign .steps-grid .step-card .step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
  }
}
.steps-redesign .steps-grid .step-card .step-title {
  font-size: 0.85rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  color: #334155;
}
@media (min-width: 768px) {
  .steps-redesign .steps-grid .step-card .step-title {
    font-size: 1.25rem;
  }
}
.steps-redesign .steps-grid .step-card .step-desc {
  font-size: 0.7rem;
  color: #64748b;
  line-height: 1.4;
  margin-bottom: 1rem;
  flex: 1;
}
@media (min-width: 768px) {
  .steps-redesign .steps-grid .step-card .step-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }
}
.steps-redesign .steps-grid .step-card .step-action {
  width: 100%;
}
.steps-redesign .c-btn--sm {
  padding: 0.3rem 0.5rem;
  font-size: 0.7rem;
}
@media (min-width: 768px) {
  .steps-redesign .c-btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
}
.steps-redesign .c-btn--outline {
  border: 2px solid #0f766e;
  color: #0f766e;
  background: transparent;
  display: block;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  font-size: 0.75rem;
  transition: all 0.2s;
  text-align: center;
}
@media (min-width: 768px) {
  .steps-redesign .c-btn--outline {
    padding: 0.6rem;
    font-size: 0.9rem;
  }
}
.steps-redesign .c-btn--outline:hover {
  background: #0f766e;
  color: white;
}
.steps-redesign .c-btn--wide {
  padding-left: 3rem;
  padding-right: 3rem;
  display: inline-block;
}

.recent-posts-redesign {
  background: #f8fafc;
  padding: 4rem 1rem;
}
.recent-posts-redesign .section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.recent-posts-redesign .section-title {
  font-size: 2rem;
  font-weight: bold;
  color: #0f766e;
  margin-bottom: 0.5rem;
}
.recent-posts-redesign .section-sub {
  color: #64748b;
}
.recent-posts-redesign .recent-posts__footer {
  text-align: center;
  margin-top: 3rem;
}

.article-card-redesign {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: #ffffff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  color: inherit;
  height: 100%;
  border: 1px solid transparent;
}
.article-card-redesign:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  border-color: #e2e8f0;
}
.article-card-redesign:hover .thumb-img {
  transform: scale(1.05);
}
.article-card-redesign:hover .read-more {
  color: #0ea5e9;
}
.article-card-redesign .article-card__thumb {
  width: 100%;
  height: 200px;
  position: relative;
  overflow: hidden;
}
.article-card-redesign .article-card__thumb .thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.article-card-redesign .article-card__thumb .category-label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.9);
  color: #0f766e;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: bold;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(4px);
}
.article-card-redesign .article-card__content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-redesign .article-card__meta {
  font-size: 0.8rem;
  color: #64748b;
  margin-bottom: 0.5rem;
}
.article-card-redesign .article-card__title {
  font-size: 1.1rem;
  font-weight: bold;
  margin-bottom: 0.8rem;
  color: #334155;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-redesign .article-card__summary {
  font-size: 0.9rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-redesign .read-more {
  margin-top: auto;
  font-size: 0.9rem;
  font-weight: bold;
  color: #0f766e;
  display: block;
  transition: color 0.2s;
}

.feature-slider-redesign {
  padding: 4rem 0;
}
.feature-slider-redesign .slider-container {
  margin: 0 -1rem;
  overflow-x: auto;
  padding: 1rem;
  -webkit-overflow-scrolling: touch;
}
.feature-slider-redesign .slider-container::-webkit-scrollbar {
  display: none;
}
.feature-slider-redesign .slider-container .slider-track {
  display: flex;
  gap: 1.5rem;
  padding: 0 1rem;
}
@media (min-width: 768px) {
  .feature-slider-redesign .slider-container .slider-track {
    justify-content: center;
    gap: 2rem;
  }
}
.feature-slider-redesign .feature-card {
  flex: 0 0 85%;
  max-width: 450px;
  height: 200px;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  display: flex;
  text-decoration: none;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
@media (min-width: 768px) {
  .feature-slider-redesign .feature-card {
    flex: 0 0 45%;
  }
}
.feature-slider-redesign .feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}
.feature-slider-redesign .feature-card--okx {
  background: linear-gradient(135deg, #020617 0%, #0f172a 100%);
}
.feature-slider-redesign .feature-card--okx:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 100% 0%, rgba(0, 210, 255, 0.2), transparent 70%);
  pointer-events: none;
}
.feature-slider-redesign .feature-card--tria {
  background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
}
.feature-slider-redesign .feature-card--tria:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 100% 0%, rgba(99, 102, 241, 0.2), transparent 70%);
  pointer-events: none;
}
.feature-slider-redesign .feature-card__content {
  flex: 1.2;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}
.feature-slider-redesign .feature-card__content .badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.feature-card--okx .feature-slider-redesign .feature-card__content .badge {
  background: #00d2ff;
  color: #020617;
}
.feature-card--tria .feature-slider-redesign .feature-card__content .badge {
  background: #ffffff;
  color: #000;
}
.feature-slider-redesign .feature-card__content h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.2;
  color: white;
}
.feature-slider-redesign .feature-card__content p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}
.feature-slider-redesign .feature-card__content .btn-go {
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
  opacity: 0.9;
}
.feature-slider-redesign .feature-card__visual {
  flex: 0.8;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-slider-redesign .feature-card__visual img {
  width: 110%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.1));
  transition: transform 0.3s ease;
}
.feature-slider-redesign .feature-card:hover .feature-card__visual img {
  transform: scale(1.1) rotate(5deg);
}

@keyframes floating {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
  100% {
    transform: translateY(0px);
  }
}
@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.4);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.7), 0 0 60px rgba(0, 210, 255, 0.2);
  }
  100% {
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.4);
  }
}
.okx-lp {
  background-color: #020617;
  background-image: radial-gradient(at 0% 0%, rgba(0, 210, 255, 0.15) 0, transparent 50%), radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.15) 0, transparent 50%), radial-gradient(at 100% 100%, rgba(0, 210, 255, 0.1) 0, transparent 50%), radial-gradient(at 0% 100%, rgba(168, 85, 247, 0.1) 0, transparent 50%);
  color: #f8fafc;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  line-height: 1.6;
}
.okx-lp:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}
.okx-lp .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.okx-lp .text-accent {
  color: #00d2ff;
  font-weight: 700;
}
.okx-lp .highlight {
  color: #ffde59;
  font-weight: 800;
  text-shadow: 0 0 10px rgba(255, 222, 89, 0.3);
}
.okx-lp section {
  position: relative;
  z-index: 2;
}
.okx-lp .lp-hero-top {
  padding: 4rem 0;
}
@media (min-width: 768px) {
  .okx-lp .lp-hero-top {
    padding: 8rem 0;
    display: flex;
    align-items: center;
    gap: 4rem;
  }
}
.okx-lp .lp-hero-top .hero-content {
  flex: 1;
  text-align: center;
}
@media (min-width: 768px) {
  .okx-lp .lp-hero-top .hero-content {
    text-align: left;
  }
}
.okx-lp .lp-hero-top .hero-content .label-urgent {
  display: inline-block;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  padding: 0.4rem 1.25rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 800;
  color: #00d2ff;
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
}
.okx-lp .lp-hero-top .hero-content h1 {
  font-size: 2.25rem;
  font-weight: 950;
  line-height: 1.15;
  margin-bottom: 2.5rem;
  background: linear-gradient(to bottom, #ffffff 60%, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
}
@media (min-width: 768px) {
  .okx-lp .lp-hero-top .hero-content h1 {
    font-size: 4rem;
  }
}
.okx-lp .lp-hero-top .hero-content .hero-main-action {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 32px;
  padding: 2.5rem;
  backdrop-filter: blur(20px);
  margin-bottom: 2rem;
}
.okx-lp .lp-hero-top .hero-content .hero-main-action .action-text {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #94a3b8;
  line-height: 1.6;
}
.okx-lp .lp-hero-top .hero-content .hero-main-action .c-btn--primary-lg {
  background: linear-gradient(135deg, #00d2ff, #a855f7);
  color: white;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 2rem;
  border-radius: 100px;
  font-weight: 900;
  transition: all 0.3s;
  animation: pulse-glow 3s infinite;
}
.okx-lp .lp-hero-top .hero-content .hero-main-action .c-btn--primary-lg .btn-main {
  font-size: 1.4rem;
}
.okx-lp .lp-hero-top .hero-content .hero-main-action .c-btn--primary-lg .btn-sub {
  font-size: 0.8rem;
  opacity: 0.8;
  font-weight: 600;
}
.okx-lp .lp-hero-top .hero-content .hero-main-action .c-btn--primary-lg:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 210, 255, 0.4);
}
.okx-lp .lp-hero-top .hero-content .hero-main-action .code-backup {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: #94a3b8;
}
.okx-lp .lp-hero-top .hero-content .hero-main-action .code-backup strong {
  color: white;
  margin-left: 0.5rem;
  font-family: monospace;
  font-size: 1.1rem;
}
.okx-lp .lp-hero-top .hero-visual {
  flex: 1;
  max-width: 500px;
  margin: 0 auto;
  animation: floating 6s ease-in-out infinite;
}
.okx-lp .lp-hero-top .hero-visual img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 50px rgba(0, 210, 255, 0.3));
}
.okx-lp .lp-deep-dive {
  padding: 6rem 0;
  background: rgba(0, 0, 0, 0.2);
}
.okx-lp .lp-deep-dive .section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
}
@media (min-width: 768px) {
  .okx-lp .lp-deep-dive .section-title {
    font-size: 3rem;
  }
}
.okx-lp .lp-deep-dive .section-lead {
  text-align: center;
  color: #94a3b8;
  margin-bottom: 5rem;
  font-size: 1.2rem;
}
.okx-lp .lp-deep-dive .feature-detailed-list {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}
.okx-lp .lp-deep-dive .feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}
@media (min-width: 768px) {
  .okx-lp .lp-deep-dive .feature-item {
    flex-direction: row;
    gap: 5rem;
  }
}
.okx-lp .lp-deep-dive .feature-item .feature-img {
  flex: 1;
  text-align: center;
}
.okx-lp .lp-deep-dive .feature-item .feature-img img {
  max-width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.okx-lp .lp-deep-dive .feature-item .feature-text {
  flex: 1;
}
.okx-lp .lp-deep-dive .feature-item .feature-text h3 {
  font-size: 1.75rem;
  font-weight: 850;
  margin-bottom: 1.5rem;
  color: #ffffff;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}
.okx-lp .lp-deep-dive .feature-item .feature-text p {
  font-size: 1.15rem;
  color: #94a3b8;
  line-height: 1.8;
}
.okx-lp .lp-usecase {
  padding: 8rem 0;
}
.okx-lp .lp-usecase .usecase-box {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 40px;
  padding: 3rem;
  backdrop-filter: blur(30px);
}
.okx-lp .lp-usecase .usecase-box .box-header {
  margin-bottom: 2.5rem;
}
.okx-lp .lp-usecase .usecase-box .box-header .badge {
  display: inline-block;
  background: #ff7eb3;
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 5px;
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
}
.okx-lp .lp-usecase .usecase-box .box-header h3 {
  font-size: 2.25rem;
  font-weight: 900;
}
.okx-lp .lp-usecase .usecase-box .box-body p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.okx-lp .lp-usecase .usecase-box .box-body .steps-mini {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 2.5rem;
}
.okx-lp .lp-usecase .usecase-box .box-body .steps-mini ol {
  padding-left: 1.5rem;
}
.okx-lp .lp-usecase .usecase-box .box-body .steps-mini ol li {
  margin-bottom: 1rem;
  color: #f8fafc;
  font-weight: 600;
}
.okx-lp .lp-usecase .usecase-box .box-body .conclusion {
  font-size: 1.3rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
}
.okx-lp .lp-guide {
  padding: 8rem 0;
}
.okx-lp .lp-guide .section-title {
  text-align: center;
  margin-bottom: 1rem;
}
.okx-lp .lp-guide .guide-note {
  text-align: center;
  color: #94a3b8;
  margin-bottom: 5rem;
}
.okx-lp .lp-guide .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 900px) {
  .okx-lp .lp-guide .guide-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.okx-lp .lp-guide .guide-card {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 32px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}
.okx-lp .lp-guide .guide-card:hover {
  transform: translateY(-10px);
}
.okx-lp .lp-guide .guide-card .card-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
}
.okx-lp .lp-guide .guide-card .card-header .step-num {
  font-size: 3rem;
  font-weight: 900;
  color: #00d2ff;
  font-family: "JetBrains Mono", monospace;
}
.okx-lp .lp-guide .guide-card .card-header h4 {
  font-size: 1.4rem;
  font-weight: 800;
}
.okx-lp .lp-guide .guide-card .card-body {
  flex: 1;
}
.okx-lp .lp-guide .guide-card .card-body p {
  color: #94a3b8;
  margin-bottom: 1.5rem;
}
.okx-lp .lp-guide .guide-card .card-body .alert {
  background: rgba(255, 78, 131, 0.1);
  color: #ff4e83;
  padding: 0.75rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.okx-lp .lp-guide .guide-card .card-body .code-box {
  background: #000;
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: monospace;
  font-size: 1.25rem;
  color: white;
  margin-bottom: 2rem;
}
.okx-lp .lp-guide .guide-card .card-body .code-box .copy-icon {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 5px;
}
.okx-lp .lp-guide .guide-card .card-body .btn-area {
  margin-top: auto;
}
.okx-lp .lp-guide .guide-card .card-body .btn-area .c-btn--sm {
  background: white;
  color: black;
  text-decoration: none;
  display: block;
  text-align: center;
  padding: 0.75rem;
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.9rem;
}
.okx-lp .lp-guide .guide-card .card-img {
  margin-top: 2rem;
  text-align: center;
}
.okx-lp .lp-guide .guide-card .card-img img {
  max-width: 100%;
  max-height: 180px;
  border-radius: 16px;
}
.okx-lp .lp-footer {
  padding: 10rem 0;
  text-align: center;
  background: radial-gradient(circle at center, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
}
.okx-lp .lp-footer h2 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 2rem;
}
.okx-lp .lp-footer p {
  max-width: 700px;
  margin: 0 auto 4rem;
  font-size: 1.25rem;
  color: #94a3b8;
}
.okx-lp .lp-footer .final-cta .c-btn--primary-lg {
  background: linear-gradient(135deg, #00d2ff, #a855f7);
  color: white;
  text-decoration: none;
  display: inline-block;
  padding: 1.5rem 5rem;
  border-radius: 100px;
  font-weight: 900;
  font-size: 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 210, 255, 0.5);
  animation: pulse-glow 3s infinite;
}
.okx-lp .lp-footer .final-cta .c-btn--primary-lg:hover {
  transform: translateY(-5px) scale(1.05);
}

.tria-lp {
  background-color: #000;
  background-image: radial-gradient(at 50% 0%, rgba(99, 102, 241, 0.15) 0, transparent 70%), radial-gradient(at 0% 100%, rgba(255, 255, 255, 0.05) 0, transparent 50%);
  color: white;
  min-height: 100vh;
  font-family: "Inter", "Noto Sans JP", sans-serif;
}
.tria-lp .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.tria-lp .label-premium {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  margin-bottom: 2rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(5px);
}
.tria-lp .lp-hero-tria {
  padding: 6rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .tria-lp .lp-hero-tria {
    flex-direction: row;
    text-align: left;
    padding: 10rem 0;
  }
}
.tria-lp .lp-hero-tria .hero-content {
  flex: 1;
}
.tria-lp .lp-hero-tria .hero-content h1 {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 3rem;
  background: linear-gradient(to bottom, #ffffff 70%, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 10px 40px rgba(255, 255, 255, 0.2);
}
@media (min-width: 768px) {
  .tria-lp .lp-hero-tria .hero-content h1 {
    font-size: 4.5rem;
  }
}
.tria-lp .lp-hero-tria .hero-content .hero-main-action .c-btn--tria-primary {
  background: white;
  color: black;
  text-decoration: none;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem 3rem;
  border-radius: 100px;
  font-weight: 900;
  transition: all 0.3s;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}
.tria-lp .lp-hero-tria .hero-content .hero-main-action .c-btn--tria-primary .btn-main {
  font-size: 1.3rem;
}
.tria-lp .lp-hero-tria .hero-content .hero-main-action .c-btn--tria-primary .btn-sub {
  font-size: 0.8rem;
  opacity: 0.7;
}
.tria-lp .lp-hero-tria .hero-content .hero-main-action .c-btn--tria-primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(255, 255, 255, 0.4);
}
.tria-lp .lp-hero-tria .hero-content .hero-main-action .code-info {
  margin-top: 1.5rem;
  color: #94a3b8;
  font-weight: 600;
}
.tria-lp .lp-hero-tria .hero-visual {
  flex: 1;
  max-width: 600px;
  margin-top: 4rem;
}
@media (min-width: 768px) {
  .tria-lp .lp-hero-tria .hero-visual {
    margin-top: 0;
  }
}
.tria-lp .lp-hero-tria .hero-visual img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 60px rgba(255, 255, 255, 0.15));
  animation: floating 6s ease-in-out infinite;
}
.tria-lp .section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 5rem;
}
@media (min-width: 768px) {
  .tria-lp .section-title {
    font-size: 3rem;
  }
}
.tria-lp .lp-tria-features {
  padding: 8rem 0;
}
.tria-lp .lp-tria-features .feature-grid {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}
.tria-lp .lp-tria-features .feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}
@media (min-width: 768px) {
  .tria-lp .lp-tria-features .feature-item {
    flex-direction: row;
  }
  .tria-lp .lp-tria-features .feature-item:nth-child(even) {
    flex-direction: row-reverse;
  }
}
.tria-lp .lp-tria-features .feature-item .feature-img {
  flex: 1;
}
.tria-lp .lp-tria-features .feature-item .feature-img img {
  max-width: 100%;
  border-radius: 30px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}
.tria-lp .lp-tria-features .feature-item .feature-text {
  flex: 1;
}
.tria-lp .lp-tria-features .feature-item .feature-text h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: #ffffff;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}
.tria-lp .lp-tria-features .feature-item .feature-text p {
  font-size: 1.2rem;
  color: #cbd5e1;
  line-height: 1.8;
}
.tria-lp .lp-tria-steps {
  padding: 8rem 0;
}
.tria-lp .lp-tria-steps .steps-horizontal {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.tria-lp .lp-tria-steps .steps-horizontal .step-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem;
  border-radius: 30px;
  text-align: center;
  transition: border-color 0.3s;
}
.tria-lp .lp-tria-steps .steps-horizontal .step-card:hover {
  border-color: rgba(255, 255, 255, 0.3);
}
.tria-lp .lp-tria-steps .steps-horizontal .step-card .step-num {
  display: block;
  font-size: 4rem;
  font-weight: 900;
  font-family: "JetBrains Mono", monospace;
  margin-bottom: 1rem;
  opacity: 0.2;
}
.tria-lp .lp-tria-steps .steps-horizontal .step-card h4 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}
.tria-lp .lp-tria-steps .steps-horizontal .step-card p {
  color: #94a3b8;
}
.tria-lp .lp-closing {
  padding: 10rem 0;
  text-align: center;
}
.tria-lp .lp-closing h2 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 2rem;
}
.tria-lp .lp-closing p {
  font-size: 1.5rem;
  color: #94a3b8;
  margin-bottom: 4rem;
}
.tria-lp .lp-closing .c-btn--tria-lg {
  background: white;
  color: black;
  padding: 1.5rem 4rem;
  border-radius: 100px;
  font-weight: 900;
  font-size: 1.5rem;
  text-decoration: none;
  box-shadow: 0 20px 50px rgba(255, 255, 255, 0.2);
  transition: all 0.3s;
}
.tria-lp .lp-closing .c-btn--tria-lg:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 30px 60px rgba(255, 255, 255, 0.4);
}

html {
  font-size: 16px;
}
@media (max-width: 767px) {
  html {
    font-size: 14px;
  }
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #f8fafc;
  color: #334155;
  height: 100%;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

main.main {
  flex: 1;
}

.main {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.main article, .main .card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  padding: 1rem;
  transition: all 0.2s ease;
}
.main article:hover, .main .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.main article, .main .card {
  /* ====== 見出し ====== */
}
.main h1, .main h2, .main h3 {
  color: #0f766e;
  margin-top: 0;
}
.main h1 {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  color: #0f766e;
}
.main h2 {
  font-size: 1.6rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: #0f766e;
}
.main h3 {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  color: #334155;
}
.main p {
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 0.8rem;
}

@media (min-width: 768px) {
  .nav ul {
    gap: 2rem;
  }
  .main {
    padding: 2rem;
  }
}
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 0.5rem;
}

.hero {
  text-align: center;
  padding: 0;
  background: #ffffff;
  max-width: 1200px;
  margin: 0 auto;
}
.hero__content {
  max-width: 600px;
  margin: 0 auto;
}
.hero .operator-info {
  font-size: 0.8rem;
  color: #64748b;
  margin-bottom: 0.5rem;
  display: block;
}
.hero h1 {
  margin-bottom: 0.5rem;
}
.hero__sub {
  color: #64748b;
  margin-bottom: 2rem;
}
.hero .hero-features {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.hero .hero-features li {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.9rem;
  color: #334155;
}
.hero .hero-features li .icon {
  font-size: 2rem;
  margin-bottom: 0.2rem;
}
.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}
@media (min-width: 480px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
}
.hero__img {
  max-width: 100%;
  height: auto;
}

.c-btn {
  display: inline-block;
  text-decoration: none;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.2s;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
}
.c-btn--primary {
  background: #0f766e;
  color: white;
  box-shadow: 0 4px 6px rgba(15, 118, 110, 0.3);
}
.c-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(15, 118, 110, 0.4);
}
.c-btn--secondary {
  background: transparent;
  color: #0f766e;
  border-color: #0f766e;
}
.c-btn--secondary:hover {
  background: rgba(15, 118, 110, 0.05);
}

.recent-posts {
  padding: 3rem 1rem;
}
.recent-posts h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
@media (min-width: 600px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 900px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  color: inherit;
  height: 100%;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.article-card__thumb {
  width: 100%;
  height: 180px;
  background: #f8fafc;
  overflow: hidden;
  position: relative;
}
.article-card__thumb .thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.article-card:hover .thumb-img {
  transform: scale(1.05);
}
.article-card__content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.85rem;
  color: #64748b;
}
.article-card__meta .btn-text {
  color: #0f766e;
  font-weight: bold;
}
.article-card__title {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 0.8rem;
  line-height: 1.4;
  color: #334155;
}
.article-card__summary {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 1rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-hero-image {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 20px;
  margin-bottom: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  background: #f8fafc;
}
.article-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.article-hero-image .recent-posts__footer {
  text-align: center;
}

.footer-disclaimer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
}
.footer-disclaimer p {
  margin-bottom: 0.3rem;
}