:root {
  --navy: #01193f;
  --navy-deep: #000f2a;
  --navy-soft: #09285b;
  --navy-lift: #12396f;
  --ink: #071833;
  --body: #34445c;
  --muted: #6e7f95;
  --paper: #ffffff;
  --white: #ffffff;
  --surface: #f6f8fb;
  --surface-strong: #eef3f8;
  --line: rgba(1, 25, 63, 0.12);
  --line-strong: rgba(1, 25, 63, 0.28);
  --charcoal: #01193f;
  --teal: #0d4f75;
  --blue: #143b77;
  --gold: #b88732;
  --wine: #8b5e1f;
  --green: #7aa899;
  --steel: #31517e;
  --shadow: 0 18px 40px rgba(1, 25, 63, 0.11);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  letter-spacing: 0;
  line-height: 1.7;
}

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

a {
  color: inherit;
}

p,
h1,
h2,
h3,
figure,
ol {
  margin-top: 0;
}

p {
  color: var(--body);
}

.skip-link,
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.skip-link:focus {
  width: auto;
  height: auto;
  clip: auto;
  left: 16px;
  top: 16px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--gold);
  color: var(--navy);
  font-weight: 900;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(1, 25, 63, 0.07);
}

.header-top,
.category-nav,
.container,
.footer-inner,
.disclaimer {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

.header-top {
  min-height: 76px;
  display: grid;
  grid-template-columns: 1fr minmax(260px, 360px);
  gap: 24px;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  color: var(--navy);
  font-weight: 950;
  line-height: 1.08;
  text-decoration: none;
}

.brand-logo {
  width: min(360px, 58vw);
  height: auto;
  max-height: 34px;
  object-fit: contain;
  object-position: left center;
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  color: var(--navy);
  font-size: 0.9rem;
  letter-spacing: 0;
}

.brand-text small {
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 800;
}

.search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.search input,
.newsletter-form input {
  min-height: 44px;
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.search input {
  padding: 0 14px;
}

.search button,
.button,
.outline-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1px solid transparent;
  padding: 0 18px;
  font: inherit;
  font-weight: 900;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

.search button,
.button {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(1, 25, 63, 0.16);
}

.outline-button {
  border-color: var(--line-strong);
  background: var(--white);
  color: var(--navy);
}

.search button:hover,
.button:hover,
.outline-button:hover,
.text-link:hover {
  transform: translateY(-1px);
}

.category-nav {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 22px;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 900;
  text-transform: uppercase;
}

.category-nav a,
.text-link,
.footer-links a {
  text-decoration: none;
}

.category-nav a:hover,
.text-link {
  color: var(--teal);
}

.top-board {
  padding: 32px 0 54px;
}

.board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.36fr) minmax(280px, 0.82fr);
  grid-template-areas:
    "lead watch"
    "lead headlines";
  gap: 18px;
}

.lead-story {
  grid-area: lead;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.lead-story a {
  min-height: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  color: inherit;
  text-decoration: none;
}

.lead-thumb {
  position: relative;
  min-height: 420px;
  background: var(--surface-strong);
  overflow: hidden;
}

.lead-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.02);
}

.story-type,
.duration,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 950;
  line-height: 1.2;
}

.story-type {
  position: absolute;
  left: 14px;
  top: 14px;
}

.lead-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  background: var(--navy);
  color: var(--white);
}

.lead-copy h1,
.lead-copy p {
  color: var(--white);
}

.lead-copy .meta {
  color: rgba(255, 255, 255, 0.72);
}

.lead-copy .kicker,
.watch-card .label,
.assessment-card .label,
.seminar-strip .label,
.newsletter-section .label,
.article-cta .label {
  color: var(--gold);
}

.kicker,
.label,
.eyebrow {
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 950;
  line-height: 1.35;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 2.7rem;
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 2rem;
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 1.14rem;
  line-height: 1.42;
  letter-spacing: 0;
}

.meta {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.headline-stack {
  grid-area: headlines;
  display: grid;
  gap: 8px;
  align-self: start;
}

.section-title {
  margin-bottom: 26px;
}

.section-title.compact {
  margin-bottom: 6px;
}

.section-title.compact h2 {
  font-size: 1.18rem;
}

.row-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.headline-row {
  display: grid;
  grid-template-columns: 98px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.headline-row time {
  color: var(--wine);
  font-size: 0.78rem;
  font-weight: 950;
}

.headline-row span {
  font-weight: 900;
}

.watch-panel {
  grid-area: watch;
}

.watch-card {
  height: 100%;
  background: var(--charcoal);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
}

.watch-copy {
  padding: 18px;
}

.watch-card h2,
.watch-card p {
  color: var(--white);
}

.watch-card p:not(.label) {
  color: rgba(255, 255, 255, 0.72);
}

.book-section {
  padding: 72px 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.book-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: 48px;
  align-items: center;
}

.book-cover {
  margin: 0;
  display: flex;
  justify-content: center;
  padding: 28px;
  background: var(--navy);
  border-left: 6px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.book-cover img {
  width: min(100%, 420px);
  filter: drop-shadow(0 26px 34px rgba(0, 8, 24, 0.36));
}

.book-copy {
  max-width: 720px;
}

.book-copy h2 {
  color: var(--navy);
  font-size: 2.45rem;
}

.book-lead {
  margin-bottom: 24px;
  font-size: 1.04rem;
}

.book-meta {
  display: grid;
  gap: 1px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.book-meta li {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 16px;
  padding: 13px 16px;
  background: var(--surface);
}

.book-meta span,
.book-meta b {
  margin: 0;
}

.book-meta span {
  color: var(--navy);
  font-weight: 950;
}

.book-meta b {
  color: var(--body);
  font-weight: 800;
}

.book-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.section {
  padding: 68px 0;
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.series-card,
.list-card,
.ranking,
.assessment-card,
.newsletter-form,
.article-body {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.series-card {
  min-height: 190px;
  padding: 22px;
  color: inherit;
  text-decoration: none;
}

.series-card span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--gold);
  font-weight: 950;
}

.series-card:hover,
.list-card:hover,
.lead-story:hover,
.video-card:hover {
  border-color: var(--teal);
}

.video-band {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.video-library {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.video-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.video-card a {
  display: block;
  min-height: 100%;
  color: inherit;
  text-decoration: none;
}

.video-card h3,
.video-card p {
  margin-left: 18px;
  margin-right: 18px;
}

.video-card h3 {
  margin-top: 18px;
}

.video-card p {
  margin-bottom: 20px;
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(20, 25, 29, 0.94), rgba(17, 124, 120, 0.78)),
    var(--charcoal);
}

.video-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.78;
}

.play-button {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: transparent;
  font-size: 0;
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.play-button::after {
  content: "";
  position: absolute;
  left: 22px;
  top: 17px;
  border-left: 16px solid var(--navy);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}

.duration {
  position: absolute;
  right: 10px;
  bottom: 10px;
  background: rgba(22, 22, 22, 0.84);
  color: var(--white);
}

.visual-label {
  max-width: 74%;
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 950;
  line-height: 1.15;
  text-align: center;
}

.tone-gold {
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 18px),
    linear-gradient(135deg, var(--navy-deep), var(--gold));
}

.tone-wine {
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 24px),
    linear-gradient(135deg, var(--navy-deep), #8d6a38);
}

.tone-steel {
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.09) 0 1px, transparent 1px 22px),
    linear-gradient(135deg, var(--navy-deep), var(--steel));
}

.tone-event img {
  object-fit: cover;
}

.tone-portrait img {
  object-position: center 22%;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 34px;
  align-items: start;
}

.article-list {
  display: grid;
  gap: 12px;
}

.list-card a {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px;
  color: inherit;
  text-decoration: none;
}

.list-card h3 {
  margin-bottom: 4px;
}

.list-card time {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.side-rail {
  display: grid;
  gap: 18px;
}

.ranking,
.assessment-card {
  padding: 22px;
}

.ranking ol {
  display: grid;
  gap: 12px;
  margin-bottom: 0;
  padding-left: 1.2em;
}

.ranking li::marker {
  color: var(--gold);
  font-weight: 950;
}

.ranking a {
  font-weight: 900;
  text-decoration: none;
}

.assessment-card {
  background: var(--charcoal);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.14);
}

.assessment-card p,
.assessment-card h2 {
  color: var(--white);
}

.assessment-card p:not(.label) {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.72);
}

.seminar-strip {
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--white);
}

.seminar-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
}

.seminar-grid p {
  max-width: 760px;
}

.seminar-strip h2,
.seminar-strip p {
  color: var(--white);
}

.seminar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.watch-card .text-link,
.seminar-strip .text-link,
.newsletter-section .text-link,
.article-cta .text-link,
.footer-links a:hover {
  color: var(--gold);
}

.assessment-card .button,
.seminar-strip .button,
.newsletter-section .button,
.article-cta .button {
  background: var(--gold);
  color: var(--navy);
  box-shadow: none;
}

.assessment-card .outline-button,
.seminar-strip .outline-button,
.newsletter-section .outline-button,
.article-cta .outline-button {
  border-color: rgba(255, 255, 255, 0.42);
  background: transparent;
  color: var(--white);
}

.newsletter-section {
  padding: 58px 0;
  background: var(--charcoal);
  color: var(--white);
}

.newsletter-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: 34px;
  align-items: center;
}

.newsletter-section h2,
.newsletter-section p {
  color: var(--white);
}

.newsletter-section p:not(.label) {
  color: rgba(255, 255, 255, 0.72);
}

.newsletter-form {
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: none;
}

.newsletter-form label {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.84rem;
  font-weight: 900;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.newsletter-form input {
  padding: 0 14px;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.52);
}

.form-note {
  min-height: 28px;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.84rem;
}

.footer {
  padding: 34px 0 42px;
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer strong {
  color: var(--white);
}

.footer p {
  color: rgba(255, 255, 255, 0.64);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  font-weight: 900;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.78);
}

.disclaimer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
}

.video-index-hero {
  padding: 58px 0 36px;
  background: linear-gradient(180deg, var(--white), var(--surface));
  border-bottom: 1px solid var(--line);
}

.video-index-hero .container {
  max-width: 920px;
}

.video-index-hero h1 {
  max-width: 760px;
}

.video-index-hero p:not(.label) {
  max-width: 760px;
}

.article-page {
  background: var(--paper);
}

.article-hero {
  padding: 56px 0 42px;
  background: linear-gradient(180deg, var(--white), var(--surface));
  border-bottom: 1px solid var(--line);
}

.article-hero .container {
  max-width: 900px;
}

.article-hero h1 {
  max-width: 820px;
  font-size: 2.7rem;
}

.article-hero p:not(.eyebrow) {
  max-width: 760px;
}

.article-shell {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 76px;
}

.article-body {
  padding: 38px;
}

.article-body h2 {
  margin-top: 36px;
  font-size: 1.55rem;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body p + p,
.article-body ul + p,
.article-body p + ul {
  margin-top: 16px;
}

.article-body ul {
  margin: 16px 0 0;
  padding-left: 1.2em;
}

.article-body li {
  color: var(--body);
}

.article-cta {
  margin-top: 28px;
  padding: 24px;
  background: var(--charcoal);
  color: var(--white);
}

.article-cta h2,
.article-cta p {
  color: var(--white);
}

.article-cta p {
  color: rgba(255, 255, 255, 0.72);
}

.is-hidden {
  display: none !important;
}

.search-message {
  grid-column: 2;
  margin: -6px 0 10px;
  color: var(--wine);
  font-size: 0.82rem;
  font-weight: 900;
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

@media (max-width: 1020px) {
  .board-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "lead"
      "watch"
      "headlines";
  }

  .content-layout,
  .seminar-grid,
  .newsletter-grid,
  .book-grid {
    grid-template-columns: 1fr;
  }

  .side-rail {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 840px) {
  .header-top {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px 0;
  }

  .search-message {
    grid-column: 1;
    margin: -4px 0 4px;
  }

  .lead-story a {
    grid-template-columns: 1fr;
  }

  .lead-thumb {
    min-height: 260px;
  }

  .series-grid,
  .video-grid,
  .video-library,
  .side-rail {
    grid-template-columns: 1fr 1fr;
  }

  .list-card a {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .header-top,
  .category-nav,
  .container,
  .footer-inner,
  .disclaimer,
  .article-shell {
    width: min(var(--max), calc(100% - 24px));
  }

  .category-nav {
    gap: 16px;
  }

  .brand-text {
    display: none;
  }

  .brand-logo {
    width: min(300px, 76vw);
    max-height: 28px;
  }

  .top-board {
    padding-top: 20px;
  }

  h1,
  .article-hero h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.55rem;
  }

  .book-section {
    padding: 54px 0;
  }

  .book-grid {
    gap: 28px;
  }

  .book-cover img {
    width: min(88vw, 330px);
  }

  .book-copy h2 {
    font-size: 1.72rem;
  }

  .book-meta li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .lead-copy,
  .article-body {
    padding: 24px;
  }

  .series-grid,
  .video-grid,
  .video-library,
  .side-rail,
  .form-row {
    grid-template-columns: 1fr;
  }

  .row-title {
    align-items: start;
    flex-direction: column;
  }

  .section {
    padding: 52px 0;
  }

  .seminar-actions {
    flex-direction: column;
  }

  .button,
  .outline-button {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
  }
}