.nk-members {
  --nk-orange: #fa6831;
  --nk-black: #333;
  --nk-gray: #f5f5f5;
  --nk-border: #ddd;
  color: var(--nk-black);
  font-family: inherit;
}
.nk-members,
.nk-members * {
  box-sizing: border-box;
}
.nk-members .nk-m-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
}
.nk-members h2,
.nk-members h3 {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--nk-black);
  font-weight: 700;
  line-height: 1.6;
}
.nk-members h2::before,
.nk-members h2::after,
.nk-members h3::before,
.nk-members h3::after {
  content: none;
}
.nk-members p {
  margin: 0;
}
.nk-members a {
  color: inherit;
  text-decoration: none;
}
.nk-members a:focus-visible {
  outline: 2px solid var(--nk-orange);
  outline-offset: 4px;
}
.nk-members .nk-m-icon {
  display: block;
  width: 32px;
  height: 32px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ページ冒頭 */
.nk-members .nk-m-hero {
  padding: 52px 0;
  background: #f0f0f0;
}
.nk-members .nk-m-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  align-items: center;
  gap: 36px;
}
.nk-members .nk-m-eyebrow {
  margin-bottom: 12px;
  color: var(--nk-orange);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
}
.nk-members .nk-m-title {
  margin-bottom: 16px;
  font-size: clamp(25px, 3.5vw, 38px);
  line-height: 1.5;
}
.nk-members .nk-m-lead {
  margin-bottom: 12px;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.8;
}
.nk-members .nk-m-description {
  color: #555;
  font-size: 14px;
  line-height: 1.9;
}
.nk-members .nk-m-login {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  min-height: 52px;
  margin-top: 24px;
  padding: 14px 24px;
  background: var(--nk-black);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: background-color .2s;
}
.nk-members .nk-m-login:hover {
  background: #555;
  color: #fff;
}
.nk-members .nk-m-hero-lock {
  width: 100px;
  height: 100px;
  margin: 0 auto;
  stroke-width: 1.3;
}

/* 共通セクション */
.nk-members .nk-m-section {
  padding-top: 44px;
}
.nk-members .nk-m-section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}
.nk-members .nk-m-heading {
  padding-left: 14px;
  border-left: 4px solid var(--nk-orange);
  font-size: clamp(19px, 2.4vw, 24px);
}
.nk-members .nk-m-demo {
  color: #777;
  font-size: 11px;
  line-height: 1.7;
}

/* お知らせ */
.nk-members .nk-m-news {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--nk-border);
}
.nk-members .nk-m-news li {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--nk-border);
}
.nk-members .nk-m-news li::before {
  content: none;
}
.nk-members .nk-m-news a {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) 20px;
  align-items: baseline;
  gap: 18px;
  padding: 18px 0;
  font-size: 14px;
  line-height: 1.8;
}
.nk-members .nk-m-news a:hover {
  color: var(--nk-orange);
}
.nk-members .nk-m-news time {
  color: #777;
  font-size: 12px;
}
.nk-members .nk-m-news-arrow {
  text-align: right;
}

/* 機種別の入口 */
.nk-members .nk-m-model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.nk-members .nk-m-model {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-width: 0;
  padding: 28px 18px;
  border: 1px solid var(--nk-border);
  background: #fff;
  text-align: center;
  transition: border-color .2s, background-color .2s;
}
.nk-members .nk-m-model:hover {
  border-color: var(--nk-orange);
  background: #fafafa;
}
.nk-members .nk-m-model-icon {
  width: 64px;
  height: 64px;
  stroke-width: 1.2;
}
.nk-members .nk-m-model-name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
}
.nk-members .nk-m-model-link {
  color: var(--nk-orange);
  font-size: 12px;
  font-weight: 700;
}

/* 情報の分類 */
.nk-members .nk-m-category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.nk-members .nk-m-category {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  min-width: 0;
  padding: 22px 18px;
  border: 1px solid var(--nk-border);
  background: #fff;
  transition: border-color .2s;
}
.nk-members .nk-m-category:hover {
  border-color: var(--nk-orange);
}
.nk-members .nk-m-category h3 {
  margin-bottom: 6px;
  font-size: 15px;
}
.nk-members .nk-m-category p {
  color: #666;
  font-size: 12px;
  line-height: 1.8;
}

/* 記事一覧 */
.nk-members .nk-m-article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.nk-members .nk-m-article {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--nk-border);
  background: #fff;
}
.nk-members .nk-m-article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.nk-members .nk-m-article-category {
  color: var(--nk-orange);
  font-size: 11px;
  font-weight: 700;
}
.nk-members .nk-m-restricted {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #777;
  font-size: 10px;
}
.nk-members .nk-m-restricted .nk-m-icon {
  width: 13px;
  height: 13px;
  stroke-width: 1.8;
}
.nk-members .nk-m-article h3 {
  margin-bottom: 10px;
  font-size: 16px;
}
.nk-members .nk-m-article-summary {
  margin-bottom: 20px;
  color: #666;
  font-size: 12px;
  line-height: 1.9;
}
.nk-members .nk-m-readmore {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  margin-top: auto;
  padding: 4px 0;
  color: var(--nk-orange);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.8;
}
.nk-members .nk-m-readmore:hover {
  text-decoration: underline;
}
.nk-members .nk-m-article-note {
  margin-top: 16px;
  color: #777;
  font-size: 11px;
  line-height: 1.8;
}

/* サポート窓口 */
.nk-members .nk-m-contact {
  margin-top: 44px;
  padding: 30px 0;
  background: var(--nk-gray);
}
.nk-members .nk-m-contact-layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.nk-members .nk-m-contact h2 {
  margin-bottom: 8px;
  font-size: 19px;
}
.nk-members .nk-m-contact p {
  color: #666;
  font-size: 13px;
  line-height: 1.8;
}
.nk-members .nk-m-contact-button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  flex: 0 0 auto;
  gap: 28px;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid #333;
  background: #fff;
  font-size: 13px;
  font-weight: 700;
}
.nk-members .nk-m-contact-button:hover {
  background: #333;
  color: #fff;
}

/* ページ内リンクの位置調整 */
.nk-members [id] {
  scroll-margin-top: 100px;
}

/* タブレット */
@media (max-width: 959px) {
  .nk-members .nk-m-article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .nk-members .nk-m-category-grid {
    grid-template-columns: 1fr;
  }
}

/* スマホ */
@media (max-width: 599px) {
  .nk-members .nk-m-inner {
    padding: 0 20px;
  }
  .nk-members .nk-m-hero {
    padding: 32px 0;
  }
  .nk-members .nk-m-hero-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .nk-members .nk-m-hero-lock {
    display: none;
  }
  .nk-members .nk-m-login {
    display: flex;
    width: 100%;
  }
  .nk-members .nk-m-section {
    padding-top: 32px;
  }
  .nk-members .nk-m-section-head {
    flex-direction: column;
    gap: 8px;
  }
  .nk-members .nk-m-news a {
    grid-template-columns: minmax(0, 1fr) 20px;
    gap: 4px 12px;
    padding: 16px 0;
  }
  .nk-members .nk-m-news time {
    grid-column: 1 / -1;
  }
  .nk-members .nk-m-model-grid,
  .nk-members .nk-m-article-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .nk-members .nk-m-model {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 4px 16px;
    padding: 20px;
    text-align: left;
  }
  .nk-members .nk-m-model-icon {
    grid-row: 1 / 3;
    width: 48px;
    height: 48px;
  }
  .nk-members .nk-m-model-name {
    font-size: 16px;
  }
  .nk-members .nk-m-contact {
    margin-top: 32px;
  }
  .nk-members .nk-m-contact-layout {
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }
  .nk-members .nk-m-contact-button {
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  .nk-members a {
    transition: none;
  }
}

/* 記事詳細・絞り込み一覧 */
.nk-members.nk-m-detail{max-width:1000px;margin:0 auto;padding:32px 28px}
.nk-members .nk-m-back{display:inline-block;margin-bottom:30px;font-size:13px}
.nk-members .nk-m-detail-title{margin:8px 0 20px;font-size:clamp(24px,3vw,34px);line-height:1.6}
.nk-members .nk-m-detail-model{margin-bottom:16px;color:#666;font-size:12px}
.nk-members .nk-m-detail-summary{margin-bottom:32px;font-size:15px;line-height:1.9;color:#555}
.nk-members .nk-m-gate{margin-top:28px;padding:32px;background:#f0f0f0;border:1px solid #ddd}
.nk-members .nk-m-gate>.nk-m-icon{width:36px;height:36px;margin-bottom:16px;color:#333}
.nk-members .nk-m-gate h3{margin-bottom:12px;font-size:19px}
.nk-members .nk-m-gate p{font-size:14px;line-height:1.9}
.nk-members .nk-m-body{margin-top:36px;line-height:1.9;overflow-wrap:anywhere}
.nk-members .nk-m-body p{margin:0 0 1.5em}
.nk-members .nk-m-body h2{font-size:25px;margin:2em 0 1em;padding-bottom:.5em;border-bottom:1px solid #ddd}
.nk-members .nk-m-body h3{font-size:20px;margin:1.8em 0 .8em}
.nk-members .nk-m-body a{color:#b83c0d;text-decoration:underline}
.nk-members .nk-m-body img{max-width:100%;height:auto}
.nk-members .nk-m-filter{padding:28px 0}
.nk-members .nk-m-filter h3{margin:20px 0 12px;font-size:16px}
.nk-members .nk-m-filter a{display:inline-block;margin:0 8px 10px 0;padding:9px 14px;border:1px solid #ddd;background:#f5f5f5;font-size:13px}
.nk-members .nk-m-filter a[aria-current=true]{background:#333;border-color:#333;color:#fff}
.nk-members .nk-m-filter a:hover{border-color:#333}
.nk-members .nk-m-list-link{margin-top:16px;text-align:right;font-size:13px}
.nk-members .nk-m-status{margin-top:24px;font-size:14px;font-weight:700}
.nk-members .nk-m-logout{display:inline-block;margin-top:12px;font-size:12px;text-decoration:underline}
.nk-members .nk-m-pagination{margin-top:28px}
.nk-members .nk-m-pagination ul{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.nk-members .nk-m-pagination li{margin:0;padding:0;list-style:none}
.nk-members .nk-m-pagination li::before{content:none}
.nk-members .nk-m-pagination a,.nk-members .nk-m-pagination span{display:inline-block;padding:8px 14px;border:1px solid #ddd;font-size:13px}
.nk-members .nk-m-pagination [aria-current=page]{background:#333;color:#fff;border-color:#333}
@media(max-width:599px){.nk-members.nk-m-detail{padding:24px 16px}.nk-members .nk-m-gate{padding:24px 20px}.nk-members .nk-m-gate .nk-m-login{width:100%;gap:12px}.nk-members .nk-m-body h2{font-size:22px}}
/* 絞り込み画面：余白・文字階層・ログイン表示 */
.nk-members.nk-m-results{padding:28px 0 48px}
.nk-members.nk-m-results>.nk-m-inner{padding-right:32px;padding-left:32px}
.nk-members.nk-m-results .nk-m-back{margin:0 0 22px;font-size:13px;line-height:1.8;color:#555;text-decoration:underline;text-underline-offset:4px}
.nk-members.nk-m-results .nk-m-hero{padding:38px 40px;background:#f0f0f0}
.nk-members.nk-m-results .nk-m-eyebrow{margin:0 0 14px;font-size:12px;line-height:1.6}
.nk-members.nk-m-results .nk-m-title{margin:0 0 18px;font-size:clamp(24px,3vw,32px);line-height:1.6}
.nk-members.nk-m-results .nk-m-results-lead{margin:0;color:#444;font-size:15px;line-height:1.9}
.nk-members.nk-m-results .nk-m-results-note{margin:18px 0 0;color:#555;font-size:13px;line-height:1.9}
.nk-members .nk-m-account{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px;padding-top:22px;border-top:1px solid #d8d8d8}
.nk-members .nk-m-account-status{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;line-height:1.8}
.nk-members .nk-m-account-status::before{content:"";width:6px;height:6px;background:#fa6831;flex-shrink:0}
.nk-members .nk-m-account-logout{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;padding:8px 18px;border:1px solid #bbb;background:transparent;color:#333;font-size:12px;font-weight:400;line-height:1.6}
.nk-members .nk-m-account-logout:hover{background:#333;border-color:#333;color:#fff}
.nk-members.nk-m-results .nk-m-filter{display:grid;gap:26px;padding:34px 0;border-bottom:1px solid #ddd;margin-bottom:32px}
.nk-members.nk-m-results .nk-m-filter h3{margin:0 0 12px;padding:0;font-size:15px;font-weight:700;line-height:1.7}
.nk-members.nk-m-results .nk-m-filter-options{display:flex;flex-wrap:wrap;gap:10px}
.nk-members.nk-m-results .nk-m-filter a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;margin:0;padding:10px 18px;font-size:13px;line-height:1.6;border:1px solid #ddd;background:#fff}
.nk-members.nk-m-results .nk-m-filter a[aria-current=true]{color:#fff;background:#333;border-color:#333}
.nk-members.nk-m-results .nk-m-filter a:hover{border-color:#333}
.nk-members.nk-m-results .nk-m-results-list>h2{margin:0 0 20px;font-size:21px;line-height:1.7}
@media(max-width:599px){.nk-members.nk-m-results{padding:20px 0 32px}.nk-members.nk-m-results>.nk-m-inner{padding-right:20px;padding-left:20px}.nk-members.nk-m-results .nk-m-hero{padding:28px 24px}.nk-members.nk-m-results .nk-m-results-lead{font-size:14px}.nk-members.nk-m-results .nk-m-break-desktop{display:none}.nk-members .nk-m-account{gap:12px;margin-top:22px;padding-top:18px}.nk-members .nk-m-account-logout{margin-left:0}.nk-members.nk-m-results .nk-m-filter{gap:24px;padding:28px 0}.nk-members.nk-m-results .nk-m-filter-options{gap:8px}.nk-members.nk-m-results .nk-m-filter a{padding:9px 13px;font-size:12px}}