:root {
  --color-bg: #ffffff;
  --color-text: #222222;
  --color-muted: #767676;
  --color-border: #e5e5e5;
  --color-accent: #333333;
  --color-accent-contrast: #ffffff;
  --color-link: #2f6fa3;
  --color-link-hover: #1c4b73;
  --color-bg-subtle: #fafafa;
  --font-base: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  --max-width: 960px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.page-body a,
.home-notice a,
.work-single__body a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-body a:hover,
.home-notice a:hover,
.work-single__body a:hover {
  color: var(--color-link-hover);
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.site-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.site-nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text);
  border-radius: 2px;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.site-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.site-nav a.is-active,
.site-nav a:hover {
  color: var(--color-text);
}

.site-nav__item--dropdown {
  position: relative;
}

.site-nav__item--dropdown .site-nav__dropdown {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 0.15rem;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.75rem;
  min-width: 130px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  padding: 0.4rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
  z-index: 20;
}

.site-nav__item--dropdown::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 0.75rem;
}

.site-nav__item--dropdown:hover .site-nav__dropdown,
.site-nav__item--dropdown:focus-within .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav__dropdown a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  white-space: nowrap;
}

.site-nav__dropdown a::before {
  content: ">";
  color: var(--color-border);
  font-size: 0.7rem;
  transition: color 0.15s ease;
}

.site-nav__dropdown a.is-active::before,
.site-nav__dropdown a:hover::before {
  color: var(--color-text);
}

.site-nav__dropdown a.is-active,
.site-nav__dropdown a:hover {
  background-color: var(--color-border);
  color: var(--color-text);
  text-decoration: none;
}

/* Main */
.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  min-height: 60vh;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8rem;
}

/* Home */
.home-notice {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  font-size: 0.95rem;
  color: var(--color-text);
}

.home-notice p {
  margin: 0 0 1rem;
}

.home-cta {
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.btn:hover {
  background-color: var(--color-accent);
  color: var(--color-accent-contrast);
  text-decoration: none;
}

/* Works list */
.page-title {
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag-filter__btn {
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: none;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  cursor: pointer;
}

.tag-filter__btn:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.tag-filter__btn.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

.works-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.work-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: border-color 0.2s ease;
}

.work-card:hover {
  border-color: var(--color-accent);
}

.work-card__main {
  flex: 1;
  min-width: 0;
}

.work-card__title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.work-card__genres {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.work-card__genres li {
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  text-transform: uppercase;
}

.work-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.work-card__tags li a {
  display: inline-block;
}

.work-card__tags li:hover,
.work-card__tags li a:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
  text-decoration: none;
}

.work-card__tags li {
  font-size: 0.7rem;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
}

.work-card__desc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.work-card__meta {
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Works single */
.work-single__header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.work-single__title {
  font-size: 1.4rem;
  margin: 0 0 0.75rem;
}

.work-single__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.work-single__tags li a {
  font-size: 0.7rem;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  display: inline-block;
}

.work-single__date {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.work-single__body,
.page-body {
  font-size: 0.95rem;
}

.work-single__body p,
.page-body p {
  margin: 0 0 1.5rem;
}

.page-body h2,
.page-body h3 {
  margin: 2rem 0 1rem;
  line-height: 1.5;
}

.page-body h2 {
  font-size: 1.1rem;
}

.page-body h3 {
  font-size: 1rem;
}

.page-body ul {
  list-style: disc;
  margin: 0 0 1.5rem;
  padding-left: 1.4rem;
}

.page-body li {
  margin-bottom: 0.4rem;
}

.page-body strong {
  font-weight: 700;
}

.page-body table,
.work-single__body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
}

.page-body th,
.page-body td,
.work-single__body th,
.work-single__body td {
  border: 1px solid var(--color-border);
  padding: 0.6rem 0.8rem;
  text-align: left;
  vertical-align: top;
}

.page-body thead,
.work-single__body thead {
  display: none;
}

.page-body th,
.work-single__body th {
  background-color: var(--color-bg-subtle);
}

.page-body td:first-child,
.work-single__body td:first-child {
  width: 20%;
  min-width: 90px;
  background-color: var(--color-bg-subtle);
  white-space: nowrap;
}

.page-body td:first-child strong,
.work-single__body td:first-child strong {
  font-weight: 400;
}

.page-title {
  margin-top: 0;
}

@media (max-width: 768px) {
  /* Header nav -> hamburger menu */
  .site-nav-toggle {
    display: flex;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav > ul {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    margin-top: 1rem;
  }

  .site-nav.is-open > ul {
    display: flex;
  }

  .site-nav > ul > li > a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  /* Dropdowns become static, always-expanded sub-lists within the open menu */
  .site-nav__item--dropdown::after {
    content: none;
  }

  .site-nav__item--dropdown .site-nav__dropdown {
    position: static;
    display: flex;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    margin: 0;
    padding: 0.4rem 0 0.4rem 1rem;
  }

  /* Tag filter -> horizontal scroll */
  .tag-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.4rem;
  }

  .tag-filter__btn {
    flex-shrink: 0;
  }

  /* Work cards -> tighter padding/font-size */
  .work-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    gap: 0.5rem;
  }

  .work-card__meta {
    align-self: flex-end;
  }

  .work-card__title {
    font-size: 0.95rem;
  }

  .work-card__desc {
    font-size: 0.8rem;
  }

  /* Tables -> horizontal scroll */
  .page-body table,
  .work-single__body table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Font sizes -> smaller on mobile */
  body {
    font-size: 0.8125rem;
  }

  .site-title {
    font-size: 1rem;
  }

  .page-title {
    font-size: 1.05rem;
  }

  .work-single__title {
    font-size: 1.2rem;
  }

  .work-single__body,
  .page-body {
    font-size: 0.8125rem;
  }

  .page-body table,
  .work-single__body table {
    font-size: 0.8125rem;
  }
}