:root {
  color-scheme: light;
  --bg: #f6f7f3;
  --paper: #ffffff;
  --text: #17212b;
  --muted: #687382;
  --line: #dde3df;
  --accent: #1c6f73;
  --accent-strong: #0f5155;
  --accent-soft: #e3f3ef;
  --coral: #d86b4f;
  --ink: #101720;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  line-height: 1.65;
  word-break: keep-all;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}
input,
textarea,
[contenteditable="true"] {
  -webkit-user-select: text;
  user-select: text;
}
img {
  -webkit-user-drag: none;
  user-drag: none;
}
a { color: var(--accent-strong); text-decoration: none; }
.site-shell {
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  min-height: 100vh;
}
.site-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100vh;
  overflow-y: auto;
  padding: 26px 20px;
  border-right: 1px solid var(--line);
  background: rgba(251, 252, 249, 0.94);
  backdrop-filter: blur(18px);
}
.site-main {
  min-width: 0;
}
.site-brand {
  display: grid;
  gap: 4px;
  color: var(--ink);
}
.site-brand span,
.side-recent > p {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
}
.site-brand strong {
  font-size: 25px;
  line-height: 1.12;
  letter-spacing: 0;
}
.site-brand-block p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}
.side-nav {
  display: grid;
  gap: 8px;
}
.side-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  font-weight: 820;
}
.side-nav-link b {
  min-width: 28px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #edf4f2;
  color: var(--accent-strong);
  font-size: 12px;
  text-align: center;
}
.side-nav-link.active {
  border-color: #cbded9;
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.side-nav-link.disabled {
  color: #98a19f;
}
.side-nav-link.disabled b {
  background: #eef0ed;
  color: #98a19f;
}
.side-recent {
  display: grid;
  gap: 10px;
  margin-top: auto;
}
.side-recent > p {
  margin: 0;
}
.side-recent a {
  display: -webkit-box;
  overflow: hidden;
  color: var(--text);
  font-size: 14px;
  line-height: 1.38;
  font-weight: 760;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.side-recent a span {
  display: block;
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 880;
}
.side-recent p:not(:first-child) {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.side-foot {
  display: inline-flex;
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
}
main { padding: 0 0 72px; }
.home-hero, .article-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: clamp(430px, 58vh, 620px);
  display: grid;
  align-items: end;
  margin-top: -1px;
  background: #22313a;
  background-image: var(--hero-image);
  background-position: center;
  background-size: cover;
  color: #fff;
}
.article-hero { min-height: clamp(380px, 48vh, 560px); }
.home-hero::before, .article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.home-hero::before {
  background:
    linear-gradient(90deg, rgba(15, 23, 32, 0.82), rgba(15, 23, 32, 0.54) 42%, rgba(15, 23, 32, 0.18)),
    linear-gradient(0deg, rgba(15, 23, 32, 0.72), rgba(15, 23, 32, 0.08) 46%);
}
.article-hero::before {
  background:
    linear-gradient(90deg, rgba(12, 19, 26, 0.62), rgba(12, 19, 26, 0.30) 48%, rgba(12, 19, 26, 0.04)),
    linear-gradient(0deg, rgba(12, 19, 26, 0.46), rgba(12, 19, 26, 0.06) 54%);
}
.article-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  background: #22313a;
}
.article-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.08) contrast(1.03);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 72px 0 64px;
}
.hero-content p {
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 780;
}
.hero-content h1 {
  max-width: 760px;
  margin: 0 0 16px;
  font-size: clamp(38px, 7vw, 74px);
  line-height: 1.04;
  letter-spacing: 0;
  text-wrap: balance;
}
.article-hero-content h1 {
  max-width: 860px;
  font-size: clamp(34px, 5.5vw, 62px);
}
.hero-content span {
  display: block;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2.5vw, 21px);
}
.hero-content time {
  display: block;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  margin-top: 28px;
  padding: 12px 16px;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 820;
}
.hero-cta.ghost {
  margin-right: 10px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  backdrop-filter: blur(10px);
}
.post-section {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: 44px;
}
.section-title {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}
.section-title p {
  margin: 0;
  color: var(--coral);
  font-size: 13px;
  font-weight: 850;
}
.section-title h2 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.18;
  letter-spacing: 0;
}
.post-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.post-card-image {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--line);
}
.post-card-image img, .post-hero-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.post-card {
  display: block;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(20, 34, 37, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.post-card:hover,
.post-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(20, 34, 37, 0.12);
  border-color: rgba(216, 107, 79, 0.55);
}
.post-card:focus-visible,
.category-post:focus-visible {
  outline: 3px solid rgba(216, 107, 79, 0.35);
  outline-offset: 3px;
}
.post-card.lead {
  grid-column: span 2;
}
.post-card-body {
  padding: 18px;
}
.post-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
}
.post-card-title {
  display: block;
  color: var(--text);
  font-size: 20px;
  line-height: 1.28;
  font-weight: 820;
  letter-spacing: 0;
}
.post-card.lead .post-card-title { font-size: clamp(24px, 3vw, 34px); }
.post-card time { color: var(--muted); font-size: 13px; }
.category-section {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: 56px;
  scroll-margin-top: 24px;
}
.category-post-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.category-post {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
  min-height: 142px;
  padding: 12px;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 14px 32px rgba(20, 34, 37, 0.07);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.category-post:hover,
.category-post:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(20, 34, 37, 0.11);
  border-color: rgba(216, 107, 79, 0.55);
}
.category-post.no-image {
  grid-template-columns: 1fr;
}
.category-post-image {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--line);
}
.category-post-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.category-post span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
}
.category-post-title {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.28;
  font-weight: 820;
}
.post-detail {
  max-width: 780px;
  margin: 48px auto 0;
  padding: 0 18px;
}
.article-section {
  margin: 42px 0;
}
.story-scene {
  margin: 30px -38px 48px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 18px 46px rgba(20, 34, 37, 0.10);
}
.story-scene img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.story-scene figcaption {
  padding: 12px 16px 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.article-section > h2:first-child,
.visual-summary h2,
.timeline-section h2,
.checklist-section h2,
.step-section h2,
.insight-section h2,
.reference-section h2 {
  margin-top: 0;
}
.section-eyebrow {
  margin-bottom: 8px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 850;
}
.visual-summary {
  max-width: none;
  margin: 36px -38px 46px;
  padding: 26px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(227, 243, 239, 0.95), rgba(255, 255, 255, 0.98)),
    var(--paper);
  border: 1px solid var(--line);
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.summary-card,
.step-card,
.insight-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 14px 30px rgba(20, 34, 37, 0.07);
}
.summary-card {
  min-height: 170px;
  padding: 18px;
}
.summary-card span,
.timeline-item > span,
.step-card span,
.share-card span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
}
.summary-card p {
  margin: 12px 0 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.5;
  font-weight: 760;
}
.reference-section {
  margin-top: 54px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f3f5ef;
  color: var(--muted);
}
.reference-section .section-eyebrow {
  color: #84908f;
  font-size: 11px;
}
.reference-section h2 {
  color: #4f5e62;
  font-size: 18px;
  line-height: 1.3;
}
.reference-list {
  margin: 10px 0 0;
  padding-left: 18px;
}
.reference-list li {
  margin: 4px 0;
  font-size: 13px;
  line-height: 1.45;
}
.reference-list a {
  color: #59696b;
  text-decoration-color: rgba(89, 105, 107, 0.35);
}
.timeline-section {
  margin-left: -18px;
  margin-right: -18px;
  padding: 28px 18px;
  border-radius: 8px;
  background: #fffaf5;
  border: 1px solid #eadbd0;
}
.timeline-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}
.timeline-item {
  position: relative;
  padding: 20px 20px 18px 54px;
  border: 1px solid #eadbd0;
  border-radius: 8px;
  background: #fff;
}
.timeline-item > span {
  position: absolute;
  top: 20px;
  left: 18px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.timeline-item h3 {
  margin-top: 0;
}
.timeline-item ul {
  display: grid;
  gap: 8px;
  padding-left: 0;
  list-style: none;
}
.timeline-item li {
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f8faf8;
}
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding-left: 0 !important;
  list-style: none;
}
.check-grid li {
  position: relative;
  margin: 0;
  min-height: 78px;
  padding: 14px 14px 14px 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  font-weight: 720;
}
.check-grid li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 18px;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 2px var(--accent);
}
.step-grid,
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.step-card {
  min-height: 180px;
  padding: 18px;
}
.step-card p {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 720;
}
.insight-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.insight-card {
  padding: 16px;
}
.insight-card p {
  margin: 0;
  font-size: 16px;
}
body.summary-dialog-open {
  overflow: hidden;
}
.summary-dialog {
  width: min(980px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: #f8faf8;
  color: var(--text);
  box-shadow: 0 28px 80px rgba(12, 18, 20, 0.36);
}
.summary-dialog::backdrop {
  background: rgba(10, 16, 18, 0.62);
  backdrop-filter: blur(5px);
}
.summary-dialog-panel {
  max-height: calc(100dvh - 32px);
  overflow: auto;
  padding: 22px;
}
.summary-dialog-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.summary-dialog-top strong {
  color: var(--ink);
  font-size: 18px;
}
.summary-dialog-close {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 24px;
  line-height: 1;
}
.summary-dialog-close:hover,
.summary-dialog-close:focus-visible {
  outline: none;
  border-color: var(--accent);
  background: var(--accent-soft);
}
.summary-dialog .summary-story {
  grid-template-columns: minmax(0, 480px) 280px;
  justify-content: center;
  margin-top: 18px;
}
.summary-dialog .share-card {
  width: min(100%, 430px);
}
.summary-dialog .share-card-image {
  height: min(48dvh, 430px);
  aspect-ratio: auto;
}
.summary-dialog .share-card-stack {
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
}
.summary-dialog .share-card-stack:active {
  cursor: grabbing;
}
.social-page {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 44px 0 72px;
}
.social-page .section-title h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.08;
}
.share-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 26px;
  margin-top: 28px;
  align-items: start;
}
.share-stage,
.share-card-stack {
  min-width: 0;
}
.share-card {
  display: flex;
  width: min(100%, 500px);
  min-width: 0;
  min-height: 480px;
  margin: 0 auto;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 28px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background:
    linear-gradient(155deg, #ffffff, #eef8f5 56%, #ffece3),
    var(--paper);
  box-shadow: 0 18px 42px rgba(20, 34, 37, 0.10);
  color: inherit;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.share-card[hidden] {
  display: none;
}
.share-card.has-image {
  min-height: 0;
  justify-content: flex-start;
  gap: 14px;
  padding: 18px;
}
.share-card.generated-card {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: 0 18px 42px rgba(20, 34, 37, 0.10);
}
.share-card-image {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  flex: 0 0 auto;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 4 / 5;
  background: #fffaf4;
  border: 1px solid rgba(221, 227, 223, 0.78);
}
.share-card-image img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 100%;
  object-fit: cover;
  object-position: center bottom;
}
.share-card.generated-card .share-card-image {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: #fff;
  box-shadow: none;
}
.share-card.generated-card .share-card-image img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
  object-position: center;
}
.share-card h2,
.share-card p {
  margin: 0;
}
.share-card h2 {
  color: var(--ink);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
}
.share-card.has-image h2 {
  font-size: clamp(24px, 3vw, 34px);
}
.share-card p {
  color: var(--ink);
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.35;
  font-weight: 820;
}
.share-card.has-image p {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.38;
}
.share-card.cover,
.share-card.ending {
  background:
    linear-gradient(160deg, rgba(16, 23, 32, 0.92), rgba(15, 81, 85, 0.88)),
    var(--ink);
  color: #fff;
}
.share-card.cover h2,
.share-card.cover p,
.share-card.ending h2,
.share-card.ending p {
  color: #fff;
}
.share-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 18px;
}
.share-arrow {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--accent-strong);
  cursor: pointer;
  font: inherit;
  font-size: 30px;
  line-height: 1;
  box-shadow: 0 10px 22px rgba(20, 34, 37, 0.08);
}
.share-arrow:hover,
.share-arrow:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}
.share-counter {
  min-width: 72px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 820;
  text-align: center;
}
.share-rail {
  display: grid;
  gap: 10px;
  min-width: 0;
}
.share-rail-title {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 820;
}
.share-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px 10px;
  align-items: center;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  text-align: left;
  box-shadow: 0 10px 24px rgba(20, 34, 37, 0.05);
}
.share-step:hover,
.share-step:focus-visible,
.share-step.is-active {
  border-color: rgba(28, 111, 115, 0.58);
  background: #eef8f5;
  outline: none;
}
.share-step-index {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 999px;
  background: #fff;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 820;
}
.share-step.is-active .share-step-index {
  background: var(--accent-strong);
  color: #fff;
}
.share-step strong {
  min-width: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.32;
  overflow-wrap: anywhere;
}
.share-step small {
  grid-column: 2;
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.42;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.post-hero-image {
  margin: 14px 0 26px;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 16 / 9;
  background: var(--line);
}
.post-detail h1 { line-height: 1.18; letter-spacing: 0; }
.post-detail h2 {
  margin: 42px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.25;
  letter-spacing: 0;
}
.post-detail h3 {
  margin: 28px 0 8px;
  color: var(--accent-strong);
  font-size: 20px;
  letter-spacing: 0;
}
.post-detail p { font-size: 17px; }
.post-detail blockquote {
  margin: 18px 0;
  border-left: 4px solid var(--coral);
  border-radius: 8px;
  background: var(--accent-soft);
  padding: 14px 16px;
  color: var(--accent-strong);
  font-weight: 700;
}
.post-detail ul, .post-detail ol { padding-left: 22px; }
.post-detail li { margin: 8px 0; }
.post-nav {
  max-width: 780px;
  margin: 36px auto 0;
  padding: 0 18px;
}
.post-nav a {
  display: inline-flex;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--accent-strong);
  font-weight: 780;
}
.empty {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--muted);
}
@media (max-width: 1040px) {
  .site-shell {
    display: block;
  }
  .site-sidebar {
    position: sticky;
    z-index: 30;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    height: auto;
    overflow-y: visible;
    padding: 14px 18px 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .site-brand-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .site-brand strong {
    font-size: 19px;
  }
  .site-brand-block p,
  .side-recent,
  .side-foot {
    display: none;
  }
  .side-nav {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    padding-bottom: 2px;
  }
  .side-nav-link {
    white-space: nowrap;
  }
}
@media (max-width: 960px) {
  .share-story {
    grid-template-columns: 1fr;
  }
  .summary-dialog .summary-story {
    grid-template-columns: 1fr;
  }
  .summary-dialog .share-rail {
    display: none;
  }
  .share-stage,
  .share-rail {
    width: min(100%, 620px);
    margin: 0 auto;
  }
}
@media (max-width: 720px) {
  .home-hero, .article-hero { min-height: 520px; }
  .hero-content { padding: 56px 0 44px; }
  .post-list,
  .category-post-list { grid-template-columns: 1fr; }
  .category-post {
    grid-template-columns: 112px minmax(0, 1fr);
    min-height: 132px;
  }
  .post-card.lead { grid-column: auto; }
  .post-card.lead .post-card-title { font-size: 22px; }
  .visual-summary,
  .timeline-section,
  .story-scene {
    margin-left: 0;
    margin-right: 0;
    padding: 18px;
  }
  .story-scene {
    padding: 0;
  }
  .summary-dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
  }
  .summary-dialog-panel {
    height: 100dvh;
    max-height: 100dvh;
    padding: 14px;
  }
  .summary-dialog .share-card {
    width: 100%;
  }
  .summary-grid,
  .check-grid,
  .step-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }
  .share-card {
    min-height: 420px;
    padding: 18px;
  }
  .share-card.has-image {
    min-height: 0;
  }
  .share-card h2 {
    font-size: clamp(26px, 8vw, 34px);
  }
  .share-card p,
  .share-card.has-image p {
    font-size: 18px;
  }
  .share-step {
    grid-template-columns: 36px minmax(0, 1fr);
    padding: 10px;
  }
  .share-step small {
    display: none;
  }
}