:root {
  --ink: #1d1b22;
  --muted: #65606c;
  --paper: #fff7f8;
  --surface: #ffffff;
  --line: #eadde2;
  --pink: #f26f9c;
  --pink-soft: #ffe2ea;
  --teal: #137d88;
  --teal-soft: #dff5f3;
  --plum: #5a334f;
  --gold: #c58b22;
  --shadow: 0 24px 70px rgba(42, 24, 34, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 247, 248, 0.96), rgba(247, 252, 251, 0.98)),
    radial-gradient(circle at 14% 4%, rgba(242, 111, 156, 0.22), transparent 28%),
    radial-gradient(circle at 88% 3%, rgba(19, 125, 136, 0.18), transparent 30%);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(135deg, transparent 0 42%, rgba(19, 125, 136, 0.08) 42% 44%, transparent 44% 100%),
    linear-gradient(45deg, transparent 0 54%, rgba(242, 111, 156, 0.07) 54% 56%, transparent 56% 100%);
  background-size: 120px 120px;
  mask-image: linear-gradient(180deg, #000, transparent 78%);
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
dd,
dt,
li {
  overflow-wrap: anywhere;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 247, 248, 0.86);
  border-bottom: 1px solid rgba(234, 221, 226, 0.84);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: var(--pink);
  border-radius: 8px;
}

.nav {
  display: flex;
  gap: clamp(12px, 3vw, 28px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  min-height: calc(100svh - 64px);
  padding: clamp(44px, 7vw, 86px) clamp(18px, 5vw, 76px) clamp(28px, 4vw, 48px);
}

.hero-minimal {
  grid-template-columns: minmax(0, 860px);
  min-height: 230px;
}

.site-title-block {
  align-items: start;
  padding-top: clamp(24px, 4vw, 42px);
  padding-bottom: clamp(22px, 4vw, 38px);
}

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

.hero-minimal .hero-copy {
  max-width: 860px;
}

.site-title-block h1 {
  max-width: none;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.08;
}

.site-title-block .lead {
  margin-top: 14px;
  font-size: clamp(14px, 1.7vw, 17px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 9.5em;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin: 10px 0;
  font-size: 22px;
  line-height: 1.35;
}

.lead {
  max-width: 650px;
  margin: 24px 0 0;
  color: #403b45;
  font-size: clamp(16px, 2vw, 19px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.72);
}

.hero-visual {
  display: grid;
  min-height: 440px;
  place-items: end center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(242, 111, 156, 0.16), rgba(19, 125, 136, 0.12)),
    #fff;
  box-shadow: var(--shadow);
}

.hero-visual img {
  display: block;
  width: min(100%, 690px);
  height: 100%;
  max-height: 720px;
  object-fit: cover;
  object-position: center 12%;
}

.section {
  padding: clamp(54px, 8vw, 96px) clamp(18px, 5vw, 76px);
}

.section-head {
  max-width: 900px;
  margin-bottom: 30px;
}

.section-head p:not(.eyebrow),
.concept p,
.season-card p,
.feature-copy p,
.profile p {
  color: var(--muted);
}

.compact {
  margin-bottom: 22px;
}

.workflow-grid,
.season-board {
  display: grid;
  gap: 14px;
}

.workflow-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.workflow-grid article,
.season-card,
.feature-panel,
.profile-list li {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(42, 24, 34, 0.06);
}

.workflow-grid article {
  padding: 22px;
}

.js .workflow-grid article,
.js .season-card,
.js .feature-panel,
.js .profile-list li,
.js .article-section {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.js .workflow-grid article.is-visible,
.js .season-card.is-visible,
.js .feature-panel.is-visible,
.js .profile-list li.is-visible,
.js .article-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  color: var(--plum);
  background: var(--pink-soft);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.seasons {
  background: rgba(255, 255, 255, 0.48);
  border-block: 1px solid var(--line);
}

.season-board {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.season-card {
  display: flex;
  min-height: 245px;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
}

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

.work-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(42, 24, 34, 0.06);
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.work-card:hover,
.work-card:focus-visible {
  border-color: rgba(19, 125, 136, 0.42);
  box-shadow: 0 22px 54px rgba(42, 24, 34, 0.12);
  transform: translateY(-3px);
}

.work-card:focus-visible {
  outline: 3px solid rgba(19, 125, 136, 0.24);
  outline-offset: 3px;
}

.work-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center 18%;
  margin-bottom: 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.season-card.active {
  background:
    linear-gradient(150deg, rgba(255, 226, 234, 0.78), rgba(223, 245, 243, 0.82)),
    #fff;
}

.season-card.muted {
  color: #77717b;
}

.text-link {
  color: var(--teal);
  font-weight: 900;
  text-decoration: none;
}

.sample,
.profile {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
}

.profile {
  align-items: center;
  grid-template-columns: minmax(0, 1fr);
}

.profile-copy {
  align-self: center;
}

.profile-portrait {
  display: grid;
  place-items: center;
  justify-self: start;
  gap: 12px;
  width: min(100%, 360px);
  margin: 0;
}

.profile-portrait img {
  display: block;
  width: min(100%, 320px);
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 50%;
  background:
    linear-gradient(145deg, rgba(255, 239, 244, 0.9), rgba(222, 247, 245, 0.88)),
    #fff;
  box-shadow: 0 24px 64px rgba(42, 24, 34, 0.12);
  object-fit: cover;
}

.profile-portrait figcaption {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.feature-copy {
  max-width: 780px;
}

.feature-copy .button {
  margin-top: 18px;
}

.feature-panel {
  padding: 24px;
}

.feature-panel dl {
  display: grid;
  gap: 16px;
  margin: 0;
}

.feature-panel div {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.feature-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.feature-panel dt,
.profile-list span {
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.feature-panel dd {
  margin: 3px 0 0;
  color: var(--ink);
  font-weight: 700;
}

.profile-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.profile-list li {
  padding: 16px 18px;
}

.profile-list span {
  display: block;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 22px clamp(18px, 5vw, 76px);
  color: #f6e8ec;
  background: #231a21;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: #f6e8ec;
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.legal-page h1 {
  max-width: none;
  font-size: clamp(32px, 5vw, 54px);
}

.article-body {
  max-width: 1040px;
  margin: 0 auto;
  padding: clamp(42px, 7vw, 76px) clamp(18px, 5vw, 54px);
}

.article-body.has-work-visual {
  max-width: 1180px;
}

.article-body article {
  display: grid;
  gap: 18px;
}

.work-article-hero {
  position: relative;
  z-index: 2;
  padding: clamp(22px, 4vw, 34px);
  background:
    linear-gradient(145deg, rgba(255, 226, 234, 0.72), rgba(223, 245, 243, 0.62)),
    rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 58px rgba(42, 24, 34, 0.14);
  backdrop-filter: blur(16px);
}

.article-thumbnail {
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(42, 24, 34, 0.12);
}

.article-thumbnail.is-linked {
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.article-thumbnail.is-linked:hover,
.article-thumbnail.is-linked:focus-within {
  border-color: rgba(19, 125, 136, 0.58);
  box-shadow: 0 28px 64px rgba(42, 24, 34, 0.18);
  transform: translateY(-4px);
}

.official-thumbnail-link {
  position: relative;
  display: block;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}

.official-thumbnail-link:focus-visible {
  outline: 3px solid rgba(19, 125, 136, 0.3);
  outline-offset: -3px;
}

.official-thumbnail-link::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 34, 40, 0.04), rgba(13, 34, 40, 0.18));
  content: "";
  opacity: 0;
  transition: opacity 180ms ease;
}

.official-thumbnail-link:hover::after,
.official-thumbnail-link:focus-visible::after {
  opacity: 1;
}

.official-link-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(19, 125, 136, 0.26);
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(42, 24, 34, 0.16);
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.official-thumbnail-link:hover .official-link-badge,
.official-thumbnail-link:focus-visible .official-link-badge {
  opacity: 1;
  transform: translateY(0);
}

.work-article-hero .article-meta {
  margin-bottom: 16px;
}

.article-thumbnail img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center 18%;
  transition: transform 220ms ease;
}

.official-thumbnail-link:hover img,
.official-thumbnail-link:focus-visible img {
  transform: scale(1.045);
}

.article-thumbnail figcaption {
  padding: 8px 10px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.article-meta span {
  min-height: 28px;
  padding: 3px 9px;
  color: var(--plum);
  background: var(--pink-soft);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.article-summary {
  margin-top: 20px;
  color: #403b45;
  font-size: 18px;
}

.article-compact-title .work-article-hero {
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: center;
  padding: clamp(20px, 3vw, 30px);
}

.article-compact-title .work-article-hero h1 {
  max-width: 18em;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.22;
}

.article-compact-title .work-article-hero .eyebrow {
  margin-bottom: 12px;
}

.article-compact-title .article-summary {
  max-width: 44em;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.9;
}

.article-compact-title .article-thumbnail img {
  aspect-ratio: 1 / 1;
}

.article-section {
  padding: clamp(22px, 4vw, 34px);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(42, 24, 34, 0.055);
}

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

.source-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.source-list a {
  display: inline-flex;
  padding: 8px 11px;
  color: var(--teal);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.copyright-line {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.admin-hero {
  grid-template-columns: 1fr;
}

.admin-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 34px 0;
}

.admin-form label {
  display: grid;
  gap: 6px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.admin-form label:has(textarea),
.admin-form button {
  grid-column: 1 / -1;
}

.admin-form input,
.admin-form textarea {
  width: 100%;
  padding: 11px 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  font-size: 15px;
  font-weight: 500;
}

.admin-form textarea {
  resize: vertical;
}

pre {
  overflow: auto;
  padding: 16px;
  background: #231a21;
  border-radius: 8px;
  color: #fff;
}

@media (max-width: 940px) {
  .hero,
  .sample,
  .profile,
  .article-hero {
    grid-template-columns: 1fr;
  }


  .hero {
    min-height: auto;
  }

  .workflow-grid,
  .season-board,
  .works-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 40px;
  }

  .hero-visual {
    min-height: 300px;
  }

  .article-thumbnail img {
    aspect-ratio: 16 / 10;
  }

  .workflow-grid,
  .season-board,
  .works-grid,
  .admin-form {
    grid-template-columns: 1fr;
  }
}