:root {
  --ink:#172d37;
  --muted:#546974;
  --accent:#165e6b;
  --paper:#f7f8f4;
  --line:#dce4df;
  --white:#fff;
}
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:100px;
}
body {
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a {
  color:inherit;
  text-decoration:none;
}
a:hover {
  text-decoration:underline;
  text-underline-offset:5px;
}
button,input,select {
  font:inherit;
}
button,a,input,select,summary {
  -webkit-tap-highlight-color:transparent;
}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible {
  outline:3px solid #d48737;
  outline-offset:4px;
}
h1,h2,h3,p {
  margin-top:0;
}
h1,h2,h3 {
  line-height:1.5;
  letter-spacing:-.025em;
}
img {
  max-width:100%;
  height:auto;
}
.container {
  width:min(1160px,calc(100% - 64px));
  margin-inline:auto;
}
.section {
  padding-block:64px;
}
.eyebrow {
  font-size:11px;
  letter-spacing:.16em;
  font-weight:700;
  color:var(--accent);
  margin-bottom:14px;
}
.journal-header {
  position:sticky;
  top:0;
  background:rgba(247,248,244,.97);
  border-bottom:1px solid var(--line);
  z-index:10;
}
.header-row {
  min-height:94px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.journal-brand {
  display:flex;
  flex-direction:column;
  gap:3px;
  flex-shrink:0;
}
.journal-brand img {
  width:185px;
  height:auto;
  mix-blend-mode:multiply;
}
.journal-brand span {
  font-size:10px;
  letter-spacing:.08em;
}
.journal-header nav {
  display:flex;
  align-items:center;
  gap:26px;
  font-size:13px;
  font-weight:600;
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  background:var(--accent);
  color:white;
  border:1px solid var(--accent);
  border-radius:5px;
  padding:15px 22px;
  font-size:14px;
  font-weight:700;
  line-height:1.6;
  min-height:48px;
  text-align:center;
  cursor:pointer;
}
.button:hover {
  background:#104b56;
  text-decoration:none;
}
.button.small {
  padding:10px 18px;
  min-height:44px;
}
.button.light {
  background:var(--white);
  color:var(--ink);
  border-color:var(--white);
}
.text-link {
  color:var(--accent);
  font-size:14px;
  font-weight:700;
  display:inline-block;
  line-height:1.7;
}
.actions {
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}
.vertical {
  flex-direction:column;
  align-items:stretch;
}
.hero {
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:64px;
  padding-block:74px 84px;
  align-items:center;
}
.audience {
  font-size:14px;
  font-weight:600;
  margin-bottom:15px;
}
.hero h1 {
  font-size:clamp(32px,3.5vw,48px);
  line-height:1.5;
  margin-bottom:24px;
  letter-spacing:-.04em;
}
.lead {
  font-size:15px;
  line-height:2.1;
  color:var(--muted);
  margin-bottom:30px;
}
.hero-map {
  background:#e5eeea;
  border:1px solid #d6e2dc;
  border-radius:8px;
  padding:30px;
  position:relative;
  box-shadow:16px 16px 0 #edf0e9;
}
.map-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:25px;
}
.map-top .eyebrow {
  margin:0;
  font-size:12px;
  letter-spacing:.04em;
}
.map-dot {
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--accent);
}
.map-panel {
  background:white;
  padding:24px 26px;
  border:1px solid var(--line);
  border-radius:5px;
}
.map-number {
  font-size:10px;
  color:var(--muted);
  letter-spacing:.14em;
}
.map-panel h2 {
  font-size:22px;
  margin:9px 0 15px;
}
.map-tags {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.map-tags span,.pill {
  font-size:12px;
  padding:4px 11px;
  background:#eef3ef;
  border-radius:3px;
}
.map-bridge {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-size:11px;
  color:var(--accent);
  padding-block:12px;
}
.map-bridge>span:first-child {
  font-size:22px;
}
.map-panel.second {
  background:#193d46;
  border-color:#193d46;
  color:white;
}
.second .map-number {
  color:#b1ccc8;
}
.map-panel p {
  font-size:13px;
  line-height:1.9;
  margin:0;
  color:#e1eeeb;
}
.map-caption {
  font-size:10px;
  text-align:center;
  margin:20px 0 0;
  color:var(--muted);
}
.topic-section {
  background:#edf1eb;
  border-block:1px solid var(--line);
}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:24px;
  margin-bottom:28px;
}
.section-heading h2 {
  font-size:27px;
  margin-bottom:0;
}
.section-heading p:last-child {
  color:var(--muted);
  font-size:13px;
  margin-bottom:0;
}
.section-heading .eyebrow {
  margin-bottom:8px;
}
.topic-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.topic-card {
  display:flex;
  flex-direction:column;
  padding:25px 22px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:5px;
}
.topic-card:hover {
  background:white;
  text-decoration:none;
  border-color:var(--accent);
}
.topic-index {
  font-size:12px;
  letter-spacing:.05em;
  color:var(--accent);
  display:block;
  margin-bottom:20px;
}
.topic-card h3 {
  font-size:18px;
  margin-bottom:12px;
}
.topic-card p {
  font-size:13px;
  color:var(--muted);
  flex:1;
}
.topic-card .text-link {
  font-size:12px;
}
.article-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.article-card {
  display:flex;
  flex-direction:column;
  min-width:0;
  background:white;
  border:1px solid var(--line);
  border-radius:6px;
  overflow:hidden;
}
.card-image {
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
}
.card-image img {
  width:100%;
  height:100%;
  object-fit:cover;
}
.card-copy {
  padding:24px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.article-meta {
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  color:var(--muted);
  font-size:11px;
  margin-bottom:14px;
}
.article-meta>span:first-child {
  color:var(--accent);
}
.card-copy h3 {
  font-size:18px;
  line-height:1.7;
  margin-bottom:12px;
  overflow-wrap:anywhere;
}
.card-copy p {
  font-size:13px;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-copy .text-link {
  margin-top:auto;
  padding-top:10px;
  font-size:12px;
}
.pager {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:24px;
  padding-top:40px;
  font-size:14px;
}
.pager a {
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:4px;
}
.conversion {
  padding:48px;
  background:#193d46;
  color:white;
  border-radius:7px;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:45px;
  align-items:center;
}
.conversion h2 {
  font-size:30px;
}
.conversion p {
  color:#d8e6e2;
  font-size:14px;
  margin-bottom:0;
}
.conversion .eyebrow {
  color:#a5c5bf;
  font-size:11px;
  margin-bottom:15px;
}
.light-link {
  color:white;
  font-size:14px;
  text-align:center;
}
.conversion small {
  font-size:11px;
  color:#d8e6e2;
  text-align:center;
}
.journal-footer {
  border-top:1px solid var(--line);
  padding-block:40px;
}
.footer-row {
  display:flex;
  justify-content:space-between;
  gap:32px;
}
.journal-footer strong {
  font-size:22px;
  letter-spacing:.05em;
}
.journal-footer p,.journal-footer small {
  font-size:12px;
  color:var(--muted);
}
.journal-footer nav {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px 26px;
  font-size:12px;
}
.footer-product-links {
  display:flex;
  flex-direction:column;
  gap:4px;
}
.page-title {
  font-size:32px;
}
.filter-form {
  display:flex;
  gap:16px;
  align-items:end;
  flex-wrap:wrap;
  padding:24px;
  background:#edf1eb;
  border:1px solid var(--line);
  border-radius:6px;
  margin-block:28px;
}
.filter-form>div {
  flex:1;
  min-width:140px;
}
.filter-form .search-field {
  flex:2;
  min-width:220px;
}
.filter-form label {
  display:block;
  font-size:12px;
  margin-bottom:5px;
}
.filter-form input,.filter-form select {
  width:100%;
  max-width:100%;
  min-height:48px;
  padding:10px;
  background:white;
  border:1px solid #b4c4bd;
  border-radius:4px;
  font-size:16px;
}
.filter-form>a {
  font-size:13px;
  padding:12px 0;
}
.result-count {
  font-size:13px;
  color:var(--muted);
}
.empty-state {
  grid-column:1/-1;
  border:1px dashed #b7c8be;
  padding:40px;
  text-align:center;
  border-radius:5px;
}
.empty-state h2 {
  font-size:20px;
}
.empty-state p {
  font-size:14px;
}
.article-heading {
  max-width:100%;
  padding-block:48px 24px;
}
.breadcrumbs {
  font-size:12px;
  color:var(--muted);
  margin-bottom:24px;
}
.article-heading h1 {
  font-size:clamp(27px,3.4vw,42px);
  line-height:1.6;
  overflow-wrap:anywhere;
}
.reading-layout {
  display:grid;
  grid-template-columns:minmax(0,760px) 280px;
  gap:60px;
  align-items:start;
}
.reading-main {
  min-width:0;
}
.article-cover {
  width:100%;
  max-height:330px;
  object-fit:cover;
  border-radius:6px;
  margin-bottom:24px;
}
.article-toc {
  padding:20px 24px;
  border:1px solid var(--line);
  border-radius:5px;
  background:white;
  margin-bottom:24px;
}
.article-toc summary {
  font-size:14px;
  font-weight:700;
  cursor:pointer;
}
.article-toc nav {
  display:flex;
  flex-direction:column;
  gap:10px;
  padding-top:16px;
  font-size:13px;
}
.article-body {
  font-size:16px;
  line-height:2.1;
  overflow-wrap:anywhere;
}
.article-body h1,.article-body h2 {
  font-size:25px;
  margin-top:48px;
}
.article-body h3 {
  font-size:20px;
  margin-top:32px;
}
.article-body p {
  margin-bottom:24px;
}
.article-body a,.guide-check a {
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:4px;
}
.article-body blockquote {
  border-left:3px solid #92b4a9;
  padding:12px 24px;
  margin:24px 0;
  background:#edf1eb;
}
.article-body blockquote p:last-child {
  margin:0;
}
.article-body pre {
  overflow:auto;
  padding:18px;
  background:#eaf0e9;
  max-width:100%;
  font-size:13px;
}
.table-scroll {
  overflow-x:auto;
  max-width:100%;
  margin-block:24px;
}
.article-body table {
  border-collapse:collapse;
  width:100%;
  font-size:14px;
  background:white;
}
.article-body td,.article-body th {
  padding:12px;
  border:1px solid var(--line);
  text-align:left;
}
.article-body th {
  background:#eaf0e9;
}
.article-body img {
  height:auto;
  max-width:100%;
}
.article-body hr {
  border:0;
  border-top:1px solid var(--line);
  margin-block:36px;
}
.article-tags {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-block:30px;
}
.article-tags a {
  font-size:12px;
  background:#eaf0e9;
  padding:4px 10px;
  border-radius:3px;
}
.reading-aside {
  position:sticky;
  top:120px;
  border-top:3px solid var(--accent);
  padding:24px;
  background:#eaf0e9;
}
.reading-aside h2 {
  font-size:23px;
}
.reading-aside p {
  font-size:13px;
  color:var(--muted);
}
.reading-aside .button {
  width:100%;
  margin-bottom:16px;
}
.reading-aside .text-link {
  font-size:12px;
}
.article-next {
  padding:32px;
  background:#eaf0e9;
  border:1px solid var(--line);
  border-radius:5px;
  margin-block:36px;
}
.article-next h2 {
  font-size:22px;
}
.article-next p {
  font-size:14px;
}
.blog-share-buttons {
  margin-block:30px;
}
.guide-hero {
  padding-block:75px;
}
.guide-hero h1 {
  font-size:clamp(30px,4vw,48px);
}
.feature-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:32px;
}
.feature {
  background:var(--paper);
  padding:34px;
  border:1px solid var(--line);
  border-radius:5px;
  scroll-margin-top:115px;
}
.feature h3 {
  font-size:24px;
}
.feature p,.feature li {
  font-size:14px;
}
.feature ul {
  padding-left:20px;
  color:var(--muted);
  margin-bottom:24px;
}
.conversation-example {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  background:white;
  border:1px solid var(--line);
  padding:40px;
  border-radius:6px;
}
.conversation-example h3 {
  font-size:24px;
  margin-top:16px;
}
.conversation-example p {
  font-size:14px;
}
.conversation-example .note {
  font-size:12px;
  color:var(--muted);
}
.question-examples {
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:16px;
}
.question-examples p {
  background:#edf1eb;
  padding:20px;
  border-radius:12px 12px 0 12px;
  margin:0;
}
.question-examples p:last-child {
  background:none;
  padding:0;
  font-size:12px;
  color:var(--muted);
  text-align:center;
}
.guide-check {
  max-width:850px;
}
.guide-check details {
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.guide-check summary {
  font-weight:600;
  cursor:pointer;
}
.guide-check details p {
  margin:20px 0 0;
  font-size:14px;
}
.skip-link {
  position:fixed;
  top:-100px;
  left:16px;
  z-index:100;
  background:white;
  padding:12px;
}
.skip-link:focus {
  top:10px;
}
@media(max-width:1000px) {
  .hero {
    gap:32px;
  }
  .hero-map {
    padding:22px;
  }
  .map-panel {
    padding:20px;
  }
  .topic-grid {
    grid-template-columns:repeat(2,1fr);
  }
  .journal-header nav {
    gap:16px;
  }
  .reading-layout {
    grid-template-columns:minmax(0,1fr) 240px;
    gap:30px;
  }
  .card-copy {
    padding:20px;
  }
  .conversion {
    gap:24px;
    padding:36px;
  }
  .article-grid {
    gap:16px;
  }
}
@media(max-width:760px) {
  .container {
    width:calc(100% - 40px);
  }
  .header-row {
    min-height:78px;
    gap:12px;
  }
  .journal-brand img {
    width:155px;
  }
  .journal-brand span {
    font-size:9px;
    letter-spacing:0;
  }
  .journal-header nav {
    gap:12px;
    font-size:11px;
  }
  .journal-header .nav-guide {
    display:none;
  }
  .button.small {
    padding:9px 12px;
    font-size:12px;
  }
  .hero {
    grid-template-columns:1fr;
    padding-block:42px 50px;
    gap:36px;
  }
  .hero h1 {
    font-size:36px;
  }
  .lead {
    font-size:14px;
  }
  .hero .actions {
    gap:18px;
  }
  .hero-map {
    max-width:480px;
    width:100%;
    box-shadow:8px 8px 0 #edf0e9;
  }
  .hero-map .map-panel h2 {
    font-size:21px;
  }
  .section {
    padding-block:40px;
  }
  .section-heading {
    align-items:start;
    flex-direction:column;
    gap:12px;
  }
  .section-heading h2 {
    font-size:24px;
  }
  .article-grid {
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .topic-card {
    padding:20px;
  }
  .conversion {
    grid-template-columns:1fr;
    padding:30px 24px;
    gap:26px;
  }
  .conversion h2 {
    font-size:27px;
  }
  .conversion p br {
    display:none;
  }
  .footer-row {
    flex-direction:column;
  }
  .reading-layout {
    grid-template-columns:1fr;
    gap:30px;
  }
  .reading-aside {
    position:static;
  }
  .article-heading {
    padding-block:30px 15px;
  }
  .article-heading h1 {
    font-size:28px;
  }
  .article-cover {
    max-height:240px;
  }
  .article-body {
    font-size:16px;
  }
  .feature-grid {
    grid-template-columns:1fr;
  }
  .conversation-example {
    grid-template-columns:1fr;
    padding:26px;
    gap:20px;
  }
  .guide-hero {
    padding-block:44px;
  }
  .feature {
    padding:26px;
  }
  .page-title {
    font-size:28px;
  }
}
@media(max-width:480px) {
  .guide-hero h1 {
    font-size:28px;
  }
  .container {
    width:calc(100% - 32px);
  }
  .journal-brand img {
    width:140px;
  }
  .journal-header nav {
    gap:8px;
  }
  .button.small {
    padding:9px 10px;
  }
  .hero h1 {
    font-size:32px;
  }
  .article-grid {
    grid-template-columns:1fr;
  }
  .topic-grid {
    gap:10px;
  }
  .topic-card {
    padding:16px 14px;
  }
  .topic-card h3 {
    font-size:16px;
  }
  .topic-card p {
    font-size:12px;
  }
  .topic-index {
    margin-bottom:12px;
  }
  .map-caption {
    font-size:9px;
  }
  .map-panel {
    padding:18px;
  }
  .hero-map {
    padding:20px;
  }
  .map-top .eyebrow {
    font-size:11px;
  }
  .hero .button {
    width:100%;
  }
  .hero .actions>.text-link {
    padding:4px;
  }
  .filter-form {
    padding:18px;
  }
  .filter-form>div,.filter-form .search-field {
    flex-basis:100%;
    min-width:0;
  }
  .filter-form button {
    flex:1;
  }
  .article-next {
    padding:24px;
  }
  .article-heading h1 {
    font-size:26px;
  }
  .article-body h2 {
    font-size:23px;
  }
  .pager {
    gap:14px;
  }
  .empty-state {
    padding:28px 20px;
  }
  .guide-hero .actions .button {
    width:100%;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
}

/* 記事中央・末尾の資料請求。スマホではボタンの文言も折り返せる。 */
.article-document-cta {
  margin: 32px 0;
  padding: 28px;
  border: 1px solid #dae7e5;
  border-radius: 16px;
  background: #f2f8f6;
}
.article-document-cta h2 { font-size: 24px; margin: 12px 0; }
.article-document-cta p { line-height: 1.8; }
.article-document-cta .button { white-space: normal; text-align: center; color: white; max-width: 100%; }
@media (max-width: 600px) {
  .article-document-cta { padding: 20px; }
  .article-document-cta h2 { font-size: 21px; }
}