:root {
  --bg: #f7efe2;
  --surface: rgba(255, 249, 242, 0.9);
  --surface-strong: #fffaf4;
  --ink: #1f1a17;
  --ink-soft: #5f544c;
  --line: rgba(49, 35, 25, 0.12);
  --accent: #0f7765;
  --accent-deep: #0a5649;
  --accent-warm: #ca6a43;
  --accent-gold: #c19a45;
  --shadow: 0 20px 48px rgba(44, 26, 16, 0.14);
  --radius-lg: 30px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "BIZ UDPGothic", "Yu Gothic", "Hiragino Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(202, 106, 67, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(15, 119, 101, 0.18), transparent 28%),
    linear-gradient(180deg, #f6efe4 0%, #f1e6d7 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.24), transparent 45%),
    repeating-linear-gradient(
      135deg,
      transparent 0,
      transparent 30px,
      rgba(193, 154, 69, 0.05) 30px,
      rgba(193, 154, 69, 0.05) 31px
    );
  opacity: 0.75;
}

.site-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.38), transparent 22%),
    radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.26), transparent 24%);
  filter: blur(16px);
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  border: 0;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 18px auto 0;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255, 250, 244, 0.76);
  border: 1px solid rgba(78, 60, 45, 0.08);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fffaf2;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong,
.hero h1,
.section-heading h2,
.page-hero h1,
.timeline-head h3,
.dialog-body h3 {
  font-family: "BIZ UDPMincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.brand-copy strong {
  font-size: 1.05rem;
}

.brand-copy span {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-soft);
  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    transform 0.25s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--ink);
  background: rgba(15, 119, 101, 0.1);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  padding: 10px 14px;
  border-radius: 999px;
  color: #fffaf2;
  background: var(--accent-deep);
}

main {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 26px auto 0;
  padding-bottom: 48px;
}

.section {
  margin-top: 24px;
  padding: 42px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid rgba(67, 48, 34, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60px 52%;
  height: 180px;
  background: radial-gradient(circle, rgba(193, 154, 69, 0.18), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
}

.page-hero {
  position: relative;
  overflow: hidden;
}

.eyebrow,
.section-kicker,
.dialog-meta {
  margin: 0 0 12px;
  color: var(--accent-deep);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5.2vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-text,
.page-hero p,
.section-heading p,
.info-card p,
.timeline-item p,
.blog-card p,
.work-card p,
.game-card p,
.game-rules li,
.contact-form,
.contact-card p,
.contact-card a,
.status-message,
.empty-state p {
  color: var(--ink-soft);
  line-height: 1.75;
}

.hero-text {
  max-width: 58ch;
  margin: 20px 0 0;
  font-size: 1.04rem;
}

.hero-actions,
.hero-stats,
.page-actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions,
.hero-stats,
.page-actions {
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: 999px;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    background-color 0.25s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(41, 28, 18, 0.12);
}

.button-primary {
  color: #fffaf1;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
}

.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(46, 33, 24, 0.1);
}

.stat-chip {
  min-width: 130px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(61, 41, 28, 0.08);
}

.stat-chip strong {
  display: block;
  font-size: 1.24rem;
  margin-bottom: 4px;
}

.stat-chip span {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.hero-panel,
.overview-layout,
.game-layout,
.contact-layout {
  display: grid;
  gap: 18px;
}

.hero-panel {
  margin-top: 26px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.info-card,
.timeline-card,
.blog-card,
.work-card,
.game-card,
.game-panel,
.contact-card,
.contact-form,
.empty-state {
  background: var(--surface-strong);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  box-shadow: 0 14px 36px rgba(54, 34, 22, 0.08);
}

.info-card,
.work-card,
.game-card {
  padding: 24px;
}

.info-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.info-label,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 119, 101, 0.1);
  color: var(--accent-deep);
  font-size: 0.8rem;
  font-weight: 700;
}

.tag {
  background: rgba(193, 154, 69, 0.12);
  color: #7a5a19;
}

.info-card h2,
.info-card h3,
.blog-card h3,
.work-card h3,
.game-card h3,
.contact-card h3,
.game-panel-head h3,
.empty-state h3 {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.35;
}

.inline-link,
.inline-button,
.work-link {
  color: var(--accent-deep);
  font-weight: 700;
}

.inline-link,
.inline-button {
  width: fit-content;
}

.inline-button {
  padding: 0;
  border: none;
  background: transparent;
}

.inline-button.is-feedback,
.button.is-feedback {
  color: var(--accent-warm);
}

.section-heading {
  max-width: 860px;
}

.section-heading--split {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  line-height: 1.12;
}

.section-heading p {
  margin: 14px 0 0;
  font-size: 1rem;
}

.section-link {
  white-space: nowrap;
}

.overview-layout {
  margin-top: 26px;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: start;
}

.highlight-grid,
.blog-grid,
.works-grid,
.games-grid,
.contact-cards {
  display: grid;
  gap: 18px;
}

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

.highlight-card {
  padding: 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(248, 240, 228, 0.92));
  border: 1px solid var(--line);
}

.highlight-card h3 {
  margin: 12px 0 10px;
  font-size: 1.2rem;
}

.timeline-card {
  padding: 28px;
}

.timeline-head h3 {
  margin: 8px 0 0;
  font-size: 1.5rem;
}

.timeline-list {
  margin-top: 20px;
  display: grid;
  gap: 16px;
}

.timeline-item {
  position: relative;
  padding-left: 22px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent-warm);
  box-shadow: 0 0 0 6px rgba(202, 106, 67, 0.12);
}

.timeline-item strong {
  display: block;
  font-size: 0.88rem;
  color: var(--accent-deep);
}

.timeline-item h4 {
  margin: 6px 0;
  font-size: 1.08rem;
}

.timeline-item p {
  margin: 0;
}

.blog-grid,
.games-grid {
  margin-top: 26px;
}

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

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

.blog-card,
.game-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card-actions {
  margin-top: auto;
  align-items: center;
}

.blog-topline,
.work-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.blog-date,
.work-status,
.contact-label {
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.works-grid {
  margin-top: 26px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.work-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.work-link.disabled {
  color: var(--ink-soft);
}

.game-layout {
  margin-top: 26px;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  align-items: stretch;
}

.game-panel {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.game-panel-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.score-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(15, 119, 101, 0.08);
  text-align: center;
}

.score-card span {
  display: block;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.score-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.5rem;
}

.game-rules {
  margin: 0;
  padding-left: 20px;
}

.game-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.game-arena {
  position: relative;
  min-height: 380px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(54, 34, 22, 0.08);
  background:
    radial-gradient(circle at top, rgba(193, 154, 69, 0.2), transparent 36%),
    linear-gradient(180deg, #173f3d 0%, #0d2d2a 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 250, 244, 0.06);
}

.game-arena::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.08), transparent 18%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 28px,
      rgba(255, 255, 255, 0.03) 28px,
      rgba(255, 255, 255, 0.03) 29px
    );
  pointer-events: none;
}

.game-message {
  position: absolute;
  inset: auto 20px 20px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(247, 239, 226, 0.92);
  color: var(--ink);
  z-index: 2;
}

.rune-target {
  position: absolute;
  z-index: 1;
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff8ef;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.28), transparent 30%),
    linear-gradient(145deg, #d88a52 0%, #b84b3f 100%);
  box-shadow:
    0 14px 24px rgba(0, 0, 0, 0.22),
    0 0 0 10px rgba(255, 255, 255, 0.05);
  animation: pulse 1s ease-in-out infinite alternate;
}

.rune-target.special {
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.32), transparent 30%),
    linear-gradient(145deg, #ddbd63 0%, #b68c24 100%);
}

@keyframes pulse {
  from {
    transform: scale(0.94);
  }
  to {
    transform: scale(1.04);
  }
}

.contact-layout {
  margin-top: 26px;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.contact-cards {
  grid-template-columns: 1fr;
}

.contact-card {
  padding: 22px;
}

.contact-card p,
.contact-card a {
  display: block;
  margin: 10px 0 0;
}

.contact-form {
  padding: 24px;
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(51, 34, 23, 0.12);
  background: #fffdf9;
  color: var(--ink);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(15, 119, 101, 0.22);
  border-color: rgba(15, 119, 101, 0.32);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.form-note,
.status-message {
  margin: 0;
  font-size: 0.92rem;
}

.status-message {
  min-height: 1.5em;
}

.empty-state {
  padding: 28px;
}

.post-dialog {
  width: min(720px, calc(100% - 24px));
  padding: 0;
  border: none;
  border-radius: 26px;
  background: #fffaf5;
  box-shadow: 0 28px 80px rgba(28, 17, 12, 0.26);
}

.post-dialog::backdrop {
  background: rgba(21, 16, 13, 0.45);
  backdrop-filter: blur(4px);
}

.dialog-close-row {
  display: flex;
  justify-content: flex-end;
  padding: 18px 18px 0;
}

.dialog-close {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink);
  background: rgba(15, 119, 101, 0.08);
}

.dialog-body {
  padding: 8px 28px 32px;
}

.dialog-body h3 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
}

.dialog-content {
  margin-top: 20px;
  color: var(--ink-soft);
  line-height: 1.9;
}

.dialog-content h2,
.dialog-content h3,
.dialog-content h4 {
  margin: 28px 0 12px;
  color: var(--ink);
  font-size: 1.18rem;
}

.dialog-content p {
  margin: 0 0 14px;
}

.dialog-content ul,
.dialog-content ol {
  margin: 0 0 18px;
  padding-left: 22px;
}

.dialog-content li {
  margin-bottom: 8px;
}

.dialog-content blockquote {
  margin: 0 0 18px;
  padding: 16px 18px;
  border-left: 4px solid rgba(15, 119, 101, 0.28);
  border-radius: 18px;
  background: rgba(15, 119, 101, 0.06);
  color: var(--ink);
}

.dialog-media {
  margin: 0 0 20px;
}

.dialog-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: 0 16px 36px rgba(54, 34, 22, 0.12);
}

.dialog-media figcaption {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.dialog-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto 36px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--ink-soft);
}

@media (max-width: 980px) {
  .hero,
  .overview-layout,
  .game-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .highlight-grid,
  .blog-grid,
  .works-grid,
  .games-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    top: 12px;
    margin-top: 12px;
    padding: 14px 16px;
    border-radius: 28px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
    display: none;
    padding-top: 6px;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .section {
    padding: 28px 20px;
  }

  .section-heading--split {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }

  .highlight-grid,
  .blog-grid,
  .works-grid,
  .games-grid,
  .contact-cards,
  .hero-panel,
  .game-scoreboard {
    grid-template-columns: 1fr;
  }

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