:root {
  --bg: #ffffff;
  --line: rgba(0, 0, 0, 0.08);
  --text: #1d1d1f;
  --muted: #6e6e73;
  --container: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "M PLUS Rounded 1c", sans-serif;
  color: var(--text);
  background: var(--bg);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
  padding: 0 24px;
}

.container {
  width: min(100%, var(--container));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  justify-content: flex-end;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}

.site-brand__mark img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.site-brand__name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 28px;
  padding: 18px 0;
}

.site-nav__link {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.2;
  transition: color 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--text);
  outline: none;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: calc(100vh - 73px);
}

.download-hero {
  width: 100%;
}

.section-divider,
.store-gallery {
  width: 100%;
}

.download-hero__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 72px 0;
}

.download-hero__icon img {
  width: 144px;
  height: 144px;
  border-radius: 32px;
}

.download-hero__text {
  min-width: 0;
}

.download-hero__title {
  margin: 0 0 12px;
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.download-hero__title-sub {
  font-size: 0.72em;
  font-weight: 600;
}

.download-hero__subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.download-hero__store {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s ease;
}

.download-hero__store:hover,
.download-hero__store:focus-visible {
  opacity: 0.82;
  outline: none;
}

.download-hero__store img {
  width: 180px;
  height: auto;
}

.section-divider {
  width: min(800px, calc(100% - 48px));
  height: 1px;
  margin: 0 auto 40px;
  background: var(--line);
}

.store-gallery {
  padding: 0 0 72px;
}

.store-gallery__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 36px) / 4);
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.28) transparent;
}

.store-gallery__track::-webkit-scrollbar {
  height: 6px;
}

.store-gallery__track::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.24);
  border-radius: 999px;
}

.store-gallery__image {
  width: 100%;
  border-radius: 24px;
}

.csv-upload-section {
  width: 100%;
  padding: 0 0 88px;
}

.csv-upload-section__inner {
  max-width: 860px;
}

.csv-upload-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.csv-upload-section__title {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.csv-upload-section__download,
.csv-install-code__copy,
.csv-upload-button {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.csv-upload-section__download,
.csv-install-code__copy {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
}

.csv-upload-form {
  display: grid;
  gap: 20px;
}

.csv-upload-field {
  display: grid;
  gap: 10px;
}

.csv-upload-field__label {
  font-size: 0.95rem;
  color: var(--muted);
}

.csv-upload-field__input {
  width: 100%;
  min-height: 56px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

.csv-upload-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.csv-upload-button {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  background: #1d1d1f;
  border-color: #1d1d1f;
  color: #fff;
  font-weight: 600;
}

.csv-upload-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.csv-upload-status {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.csv-upload-status.is-ready {
  color: #18794e;
  border-color: rgba(24, 121, 78, 0.2);
  background: rgba(24, 121, 78, 0.05);
}

.csv-upload-status.is-error {
  color: #c23934;
  border-color: rgba(194, 57, 52, 0.18);
  background: rgba(194, 57, 52, 0.05);
}

.csv-install-code {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.csv-install-code__label {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

.csv-install-code__row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.csv-install-code__value {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-family: "SFMono-Regular", "Menlo", "Monaco", "Consolas", monospace;
  word-break: break-all;
}

.csv-install-code__copy.is-done {
  color: #18794e;
  border-color: rgba(24, 121, 78, 0.25);
}

.site-footer {
  margin-top: 24px;
  margin-left: -24px;
  margin-right: -24px;
  background: #4682b4;
}

.site-footer__inner {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.policy-page .site-header__inner {
  justify-content: space-between;
  gap: 24px;
}

.support-page .site-header__inner {
  justify-content: space-between;
  gap: 24px;
}

.blog-page .site-header__inner {
  justify-content: space-between;
  gap: 24px;
}

.blog-article-page .site-header__inner {
  justify-content: space-between;
  gap: 24px;
}

.policy-page .site-nav {
  padding-left: 24px;
}

.support-page .site-nav {
  padding-left: 24px;
}

.blog-page .site-nav {
  padding-left: 24px;
}

.blog-article-page .site-nav {
  padding-left: 24px;
}

.policy-main {
  width: 100%;
  max-width: 860px;
  align-items: stretch;
  padding: 56px 0 88px;
}

.support-main {
  width: 100%;
  max-width: 1120px;
  align-items: stretch;
  padding: 56px 0 88px;
}

.blog-main {
  width: 100%;
  max-width: 1120px;
  align-items: stretch;
  padding: 56px 0 88px;
}

.article-main-v2 {
  width: 100%;
  max-width: 1120px;
  align-items: stretch;
  padding: 56px 0 88px;
}

.support-card {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.support-card:first-child {
  padding-top: 0;
  border-top: 0;
}

.support-card:last-of-type {
  padding-bottom: 0;
}

.section-title {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.support-card h2.section-title {
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.policy-main p,
.policy-main li {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.95;
}

.support-main p,
.support-main li {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.95;
}

.blog-main p,
.blog-main li {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.95;
}

.article-main-v2 p,
.article-main-v2 li {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.95;
}

.policy-main p + p,
.policy-main ul,
.policy-main .action-block {
  margin-top: 14px;
}

.support-main p + p,
.support-main ul,
.support-main .action-block {
  margin-top: 14px;
}

.blog-main p + p,
.blog-main ul,
.blog-main .action-block {
  margin-top: 14px;
}

.article-main-v2 p + p,
.article-main-v2 ul,
.article-main-v2 .action-block {
  margin-top: 14px;
}

.section-copy {
  color: var(--muted);
}

.policy-list {
  padding-left: 1.25rem;
}

.support-card--accent {
  margin-top: 12px;
  padding-top: 32px;
}

.action-block {
  display: flex;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid #1d1d1f;
  background: #1d1d1f;
  color: #ffffff;
  font-weight: 600;
}

.btn--secondary {
  border-color: rgba(29, 29, 31, 0.12);
  background: #ffffff;
  color: #1d1d1f;
}

.support-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.95fr);
  gap: 24px;
  padding-bottom: 28px;
}

.support-hero__panel,
.support-summary-card,
.feature-item,
.support-link-card {
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  box-shadow: 0 20px 50px rgba(70, 130, 180, 0.08);
}

.support-hero__panel {
  padding: 36px;
}

.support-eyebrow {
  margin: 0 0 12px;
  color: #4682b4;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.support-hero__title {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.support-hero__lead {
  max-width: 38rem;
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.08rem;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.quick-links__item {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(70, 130, 180, 0.18);
  border-radius: 999px;
  background: rgba(70, 130, 180, 0.07);
  color: #2f5d83;
  font-weight: 600;
}

.support-summary-card {
  height: 100%;
  padding: 32px 28px;
}

.support-summary-card__icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.support-summary-card h2,
.feature-item h3,
.howto-text h3,
.support-link-card h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.support-summary-list {
  padding-left: 1.25rem;
  margin-top: 16px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.feature-item {
  padding: 24px;
}

.feature-item p,
.howto-text p,
.support-link-card p {
  margin-top: 10px;
}

.howto-list {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.howto-item {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #ffffff;
}

.howto-image-button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.howto-image-button img {
  width: 100%;
  border-radius: 22px;
  box-shadow: 0 14px 30px rgba(29, 29, 31, 0.08);
}

.support-links {
  padding-top: 28px;
}

.support-links__header {
  margin-bottom: 22px;
}

.support-links__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.support-link-card {
  padding: 24px;
}

.support-link-card .btn {
  margin-top: 18px;
}

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
}

.image-modal.is-open {
  display: block;
}

.image-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(8px);
}

.image-modal__dialog {
  position: relative;
  width: min(92vw, 960px);
  max-height: calc(100vh - 48px);
  margin: 24px auto;
  padding: 20px;
  overflow: auto;
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.24);
}

.image-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.image-modal__header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.image-modal__close {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.image-modal__preview {
  width: 100%;
  border-radius: 20px;
}

.image-modal__link {
  display: inline-flex;
  margin-top: 16px;
  color: #2f5d83;
  font-weight: 600;
}

.blog-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.9fr);
  gap: 24px;
  padding-bottom: 28px;
}

.blog-search-panel,
.blog-empty {
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  box-shadow: 0 20px 50px rgba(70, 130, 180, 0.08);
}

.blog-hero__panel {
  padding: 8px 0 0;
}

.blog-hero__title {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.blog-hero__lead {
  max-width: 38rem;
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.16rem;
  line-height: 1.85;
}

.blog-hero__panel .support-eyebrow {
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text);
}

.blog-summary-card {
  display: grid;
  gap: 16px;
  height: 100%;
  padding: 8px 0 0;
}

.blog-stat {
  display: grid;
  gap: 4px;
}

.blog-stat strong {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.blog-stat span {
  color: var(--muted);
  font-size: 1.02rem;
}

.featured-posts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.blog-search-panel {
  padding: 24px;
  margin-top: 22px;
  background: #ffffff;
  box-shadow: none;
}

.blog-search-label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--muted);
}

.blog-search-row {
  display: flex;
  gap: 12px;
}

.blog-search-input {
  flex: 1 1 auto;
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid rgba(29, 29, 31, 0.1);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.blog-search-clear {
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid rgba(29, 29, 31, 0.12);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.blog-search-result {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.blog-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.blog-entry {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #ffffff;
}

.blog-entry__link {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  color: inherit;
  text-decoration: none;
}

.blog-entry__head {
  display: grid;
  gap: 6px;
}

.blog-entry__day {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.blog-entry__title {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.35;
  text-decoration: underline;
  text-decoration-color: rgba(47, 93, 131, 0.24);
  text-underline-offset: 0.14em;
}

.blog-entry__meta {
  margin: 0;
  color: #2f5d83;
  font-size: 0.92rem;
  font-weight: 600;
}

.blog-entry__summary {
  margin: 0;
  color: var(--text);
}

.blog-entry__link:hover .blog-entry__title,
.blog-entry__link:focus-visible .blog-entry__title {
  text-decoration-color: #2f5d83;
}

.blog-empty {
  padding: 24px;
  margin-top: 22px;
}

.blog-empty h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(220px, 0.75fr);
  gap: 56px;
  padding-bottom: 42px;
  border-bottom: 1px solid var(--line);
}

.article-hero__panel,
.article-summary-card,
.article-panel,
.article-word-card,
.quiz-item,
.article-pager-v2__link {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.article-hero__panel {
  padding: 12px 0 0;
}

.article-hero__title {
  margin: 0;
  font-size: clamp(2.1rem, 4.2vw, 3.7rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: #78aee0;
}

.article-title-accent {
  color: inherit;
  font-size: 1em;
}

.article-hero__lead {
  max-width: 40rem;
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.8;
}

.article-summary-card {
  display: grid;
  gap: 18px;
  height: fit-content;
  padding: 18px 0 0;
}

.blog-article-page .support-eyebrow {
  color: var(--text);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.blog-article-page .article-summary-card .blog-stat strong {
  font-size: 1.1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.blog-article-page .article-summary-card .blog-stat span {
  font-size: 0.84rem;
  color: var(--muted);
}

.blog-article-page .quick-links {
  gap: 10px;
  margin-top: 24px;
}

.blog-article-page .quick-links__item {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(70, 130, 180, 0.32);
  border-radius: 999px;
  background: #ffffff;
  color: #2f5d83;
  font-weight: 600;
  font-size: 0.92rem;
}

.blog-article-page .quick-links__item:hover,
.blog-article-page .quick-links__item:focus-visible {
  border-color: rgba(70, 130, 180, 0.52);
}

.article-layout-v2 {
  display: grid;
  grid-template-columns: minmax(250px, 320px) minmax(0, 1fr);
  gap: 56px;
  padding-top: 34px;
}

.article-sidebar-v2,
.article-content-v2 {
  display: grid;
  gap: 28px;
  align-content: start;
}

.article-panel {
  padding: 0;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.article-term-list {
  display: grid;
  gap: 0;
  margin-top: 8px;
}

.article-term {
  display: grid;
  gap: 2px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.article-term span {
  color: var(--muted);
  font-size: 0.92rem;
}

.download-code__row {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px;
  margin-top: 6px;
}

.download-code__input {
  flex: 1 1 0;
  width: 0;
  min-width: 0;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(29, 29, 31, 0.12);
  border-radius: 10px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.download-code__button {
  flex: 0 0 auto;
  white-space: nowrap;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid #78aee0;
  border-radius: 10px;
  background: #78aee0;
  color: #ffffff;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.article-sidebar-v2 .section-title {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.article-sidebar-v2 .section-copy {
  font-size: 0.88rem;
  line-height: 1.7;
}

.article-download-cta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.article-download-cta__label {
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.6;
}

.article-download-cta__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.article-download-cta__icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  flex: 0 0 auto;
}

.article-download-cta__badge {
  width: 122px;
  height: auto;
  flex: 0 0 auto;
}

.article-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 20px;
  margin-top: 18px;
}

.article-overview-item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.article-overview-item strong {
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
}

.article-word-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 20px;
}

.article-word-card {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.article-word-card[open] {
  padding-bottom: 24px;
}

.article-word-card__summary-row {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  gap: 12px 20px;
  align-items: start;
  cursor: pointer;
  list-style: none;
}

.article-word-card__summary-row::-webkit-details-marker {
  display: none;
}

.article-word-card__term {
  font-size: 1.28rem;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.article-word-card__meaning {
  position: relative;
  padding-right: 28px;
  color: var(--muted);
  line-height: 1.7;
}

.article-word-card__meaning::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: #78aee0;
  font-weight: 700;
}

.article-word-card[open] .article-word-card__meaning::after {
  content: "-";
}

.article-word-card__body {
  margin-top: 16px;
}

.article-note-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  margin-bottom: 16px;
}

.article-note-list p {
  padding: 0 0 0 14px;
  border-left: 2px solid rgba(70, 130, 180, 0.45);
  border-radius: 0;
  background: transparent;
}

.article-prose {
  margin-top: 16px;
  max-width: 46rem;
}

.quiz-list {
  display: grid;
  gap: 0;
  margin-top: 18px;
}

.quiz-item {
  padding: 18px 0 22px;
  border-top: 1px solid var(--line);
}

.quiz-item label {
  display: inline-block;
  margin-top: 12px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.quiz-item select {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(29, 29, 31, 0.12);
  border-radius: 14px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.quiz-feedback {
  margin-top: 10px;
  font-weight: 600;
}

.quiz-feedback.is-correct {
  color: #18794e;
}

.quiz-feedback.is-wrong {
  color: #c23934;
}

.quiz-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.quiz-score {
  color: var(--muted);
  font-weight: 600;
}

.article-pager-v2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.article-pager-v2__link {
  display: grid;
  gap: 6px;
  padding: 0;
}

.article-pager-v2__link:last-child {
  justify-items: end;
  text-align: right;
}

.article-pager-v2--next-only .article-pager-v2__link {
  grid-column: 2;
  justify-self: end;
  width: fit-content;
  justify-items: end;
  text-align: right;
}

.article-pager-v2__label {
  color: var(--muted);
  font-size: 0.9rem;
}

.article-pager-v2__title {
  font-size: 1.05rem;
  font-weight: 700;
}

.article-recommendations {
  margin-top: 34px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.article-recommendations__header {
  margin-bottom: 18px;
}

.article-recommendations__title {
  margin: 6px 0 0;
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.article-recommendations__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.article-recommendation-card {
  display: grid;
  gap: 8px;
  min-height: 148px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
}

.article-recommendation-card strong {
  font-size: 1rem;
  line-height: 1.35;
}

.article-recommendation-card span:last-child {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.article-recommendation-card__day {
  color: #78aee0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 860px) {
  .page {
    padding: 0 20px;
  }

  .site-footer {
    margin-left: -20px;
    margin-right: -20px;
  }

  main {
    min-height: calc(100vh - 121px);
  }

  .download-hero__inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 28px;
    padding: 56px 0;
  }

  .store-gallery__track {
    grid-auto-columns: calc((100% - 24px) / 3);
  }

  .csv-upload-section__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .policy-main {
    padding: 48px 0 72px;
  }

  .support-main {
    padding: 48px 0 72px;
  }

  .blog-main {
    padding: 48px 0 72px;
  }

  .article-main-v2 {
    padding: 48px 0 72px;
  }

  .support-hero,
  .howto-item,
  .support-links__grid,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .blog-hero,
  .featured-posts,
  .blog-list {
    grid-template-columns: 1fr;
  }

  .article-hero,
  .article-layout-v2,
  .article-overview-grid,
  .article-word-grid {
    grid-template-columns: 1fr;
  }

  .article-word-card__summary-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .article-recommendations__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .policy-page .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .support-page .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .blog-page .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .blog-article-page .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .policy-page .site-nav {
    padding-left: 0;
    justify-content: flex-start;
  }

  .support-page .site-nav {
    padding-left: 0;
    justify-content: flex-start;
  }

  .blog-page .site-nav {
    padding-left: 0;
    justify-content: flex-start;
  }

  .blog-article-page .site-nav {
    padding-left: 0;
    justify-content: flex-start;
  }

  .site-header__inner {
    justify-content: center;
  }

  .site-nav {
    gap: 14px 20px;
    justify-content: center;
    padding: 16px 0;
  }

  .site-nav__link {
    text-align: center;
    font-size: 0.82rem;
  }

  .download-hero__icon img {
    width: 108px;
    height: 108px;
    border-radius: 24px;
  }

  .download-hero__title {
    font-size: 2.8rem;
  }

  .download-hero__subtitle {
    font-size: 1.05rem;
  }

  .download-hero__store img {
    width: 168px;
  }

  .section-divider {
    margin-bottom: 32px;
  }

  .store-gallery {
    padding-bottom: 56px;
  }

  .csv-upload-section {
    padding-bottom: 64px;
  }

  .csv-upload-button,
  .csv-upload-section__download,
  .csv-install-code__copy {
    width: 100%;
    justify-content: center;
  }

  .csv-upload-actions,
  .csv-install-code__row {
    align-items: stretch;
    flex-direction: column;
  }

  .action-block,
  .btn {
    width: 100%;
  }

  .support-hero__panel,
  .support-summary-card,
  .feature-item,
  .support-link-card,
  .howto-item {
    padding: 20px;
    border-radius: 24px;
  }

  .support-hero__title {
    font-size: 2.2rem;
  }

  .image-modal__dialog {
    width: calc(100vw - 24px);
    margin: 12px auto;
    padding: 16px;
    border-radius: 22px;
  }

  .blog-hero__panel,
  .blog-summary-card,
  .blog-search-panel,
  .blog-card,
  .blog-empty {
    padding: 20px;
    border-radius: 24px;
  }

  .blog-hero__title {
    font-size: 2.3rem;
  }

  .blog-search-row {
    flex-direction: column;
  }

  .blog-search-clear {
    width: 100%;
  }

  .article-hero__panel,
  .article-summary-card,
  .article-panel,
  .article-word-card,
  .quiz-item,
  .article-pager-v2__link {
    padding-left: 0;
    padding-right: 0;
    border-radius: 0;
  }

  .article-hero__title {
    font-size: 2.15rem;
  }

  .article-hero {
    gap: 22px;
    padding-bottom: 30px;
  }

  .article-layout-v2 {
    gap: 28px;
    padding-top: 26px;
  }

  .article-pager-v2 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .article-pager-v2--next-only .article-pager-v2__link {
    grid-column: auto;
    justify-self: start;
    width: auto;
  }

  .article-pager-v2__link:last-child {
    justify-items: start;
    text-align: left;
  }

  .download-code__row,
  .quiz-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .download-code__button {
    width: auto;
  }
}