/* ============================================
   みんとの書斎 — 深焦茶＋金の作家部屋
   ============================================ */

.theme-shosai {
  --shosai-bg: #15110d;
  --shosai-bg-2: #1d1813;
  --shosai-bg-3: #2a2218;
  --shosai-fg: #f0e6cf;
  --shosai-fg-soft: rgba(240, 230, 207, 0.74);
  --shosai-gold: #c9a44e;
  --shosai-gold-soft: #d8b96b;
  --shosai-amber: #d4a657;
  --shosai-rust: #a06848;
  --shosai-line: rgba(240, 230, 207, 0.1);
  --shosai-line-strong: rgba(240, 230, 207, 0.24);
  --shosai-gold-line: rgba(201, 164, 78, 0.32);
}

body.theme-shosai {
  background: var(--shosai-bg);
  color: var(--shosai-fg);
  font-family: var(--font-jp-sans);
  -webkit-font-smoothing: antialiased;
}

/* ---- 書斎の背景（机の木目＋読書灯） ---- */

body.theme-shosai::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(212, 166, 87, 0.1), transparent 50%),
    radial-gradient(ellipse at 0% 100%, rgba(160, 104, 72, 0.06), transparent 55%),
    repeating-linear-gradient(90deg,
      transparent 0,
      transparent 64px,
      rgba(240, 230, 207, 0.012) 64px,
      rgba(240, 230, 207, 0.012) 65px),
    linear-gradient(180deg, var(--shosai-bg) 0%, var(--shosai-bg-2) 100%);
  pointer-events: none;
  z-index: 0;
}

/* 本のシルエットを薄く後ろに */
body.theme-shosai::after {
  content: "";
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30vh;
  background:
    linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent),
    repeating-linear-gradient(90deg,
      transparent 0px,
      transparent 28px,
      rgba(212, 166, 87, 0.04) 28px,
      rgba(212, 166, 87, 0.04) 30px,
      transparent 30px,
      transparent 56px,
      rgba(160, 104, 72, 0.04) 56px,
      rgba(160, 104, 72, 0.04) 58px,
      transparent 58px,
      transparent 90px,
      rgba(240, 230, 207, 0.025) 90px,
      rgba(240, 230, 207, 0.025) 92px);
  pointer-events: none;
  z-index: 0;
}

/* ---- ヘッダー（金の細線で区切る書斎扉） ---- */

.shosai-header {
  position: relative;
  z-index: 1;
  padding: 32px 0 0;
  background: transparent;
}

.shosai-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--shosai-gold-line) 20%,
    var(--shosai-gold) 50%,
    var(--shosai-gold-line) 80%,
    transparent);
}

.shosai-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 32px 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.shosai-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--shosai-fg);
}

.shosai-brand .mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid var(--shosai-gold-line);
  background: linear-gradient(135deg, var(--shosai-bg-3), var(--shosai-bg-2));
  font-size: 18px;
  box-shadow: inset 0 0 0 1px rgba(201, 164, 78, 0.18);
}

.shosai-brand .name {
  font-family: var(--font-jp-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1;
}

.shosai-brand .en {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--shosai-gold);
  margin-top: 5px;
  text-transform: uppercase;
}

.shosai-nav {
  display: flex;
  gap: 24px;
  font-size: 13px;
}

.shosai-nav a {
  color: var(--shosai-fg);
  text-decoration: none;
  letter-spacing: 0.06em;
  opacity: 0.78;
  transition: opacity 0.25s, color 0.25s;
  padding: 4px 2px;
  position: relative;
}

.shosai-nav a:hover {
  opacity: 1;
  color: var(--shosai-gold);
}

/* ---- メイン ---- */

.shosai-main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px 96px;
}

/* ---- ヒーロー ---- */

.shosai-hero {
  text-align: left;
  margin-bottom: 80px;
  padding: 32px 0;
  border-left: 2px solid var(--shosai-gold);
  padding-left: 32px;
}

.shosai-hero .eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.5em;
  color: var(--shosai-gold);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.shosai-hero h1 {
  font-family: var(--font-jp-serif);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.shosai-hero h1 .accent {
  color: var(--shosai-gold);
}

.shosai-hero p {
  font-size: 15px;
  line-height: 2;
  max-width: 560px;
  color: var(--shosai-fg-soft);
  letter-spacing: 0.03em;
}

/* ---- セクションヘッド ---- */

.shosai-section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--shosai-line);
}

.shosai-section-head h2 {
  font-family: var(--font-jp-serif);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.shosai-section-head .en {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--shosai-gold);
  margin-left: auto;
  text-transform: uppercase;
}

/* ---- ブロック（プロフィール・解説） ---- */

.shosai-block {
  background:
    linear-gradient(180deg, rgba(201, 164, 78, 0.04), transparent 40%),
    var(--shosai-bg-2);
  border: 1px solid var(--shosai-line);
  border-radius: 6px;
  padding: 28px 32px;
  margin-bottom: 24px;
  position: relative;
}

.shosai-block h3 {
  font-family: var(--font-jp-serif);
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.06em;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--shosai-line);
  position: relative;
}

.shosai-block h3::before {
  content: "❀";
  color: var(--shosai-gold);
  margin-right: 10px;
  font-size: 12px;
}

.shosai-block p {
  font-size: 14.5px;
  line-height: 2;
  color: var(--shosai-fg-soft);
}

.shosai-block p + p {
  margin-top: 12px;
}

.shosai-block ul {
  list-style: none;
  padding: 0;
}

.shosai-block li {
  padding: 8px 0 8px 22px;
  position: relative;
  font-size: 14px;
  line-height: 1.9;
  color: var(--shosai-fg-soft);
  border-bottom: 1px dotted var(--shosai-line);
}

.shosai-block li:last-child {
  border-bottom: none;
}

.shosai-block li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--shosai-gold);
}

.shosai-block code {
  font-family: "Consolas", "Monaco", monospace;
  font-size: 12px;
  background: var(--shosai-bg-3);
  padding: 2px 8px;
  border-radius: 3px;
  color: var(--shosai-gold-soft);
  border: 1px solid var(--shosai-line);
}

/* ---- 商業作品グリッド（本棚風） ---- */

.shosai-bookshelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 28px;
  margin-bottom: 56px;
  padding: 32px 28px 40px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(201, 164, 78, 0.04) 100%),
    var(--shosai-bg-2);
  border: 1px solid var(--shosai-line);
  border-radius: 6px;
  position: relative;
}

.shosai-bookshelf::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    var(--shosai-gold) 30%,
    var(--shosai-gold) 70%,
    transparent);
}

.shosai-book {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--shosai-fg);
  background: var(--shosai-bg-3);
  border: 1px solid var(--shosai-line);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2, 0.7, 0.3, 1),
              border-color 0.4s, box-shadow 0.4s;
  position: relative;
}

.shosai-book::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--shosai-gold), var(--shosai-rust));
  opacity: 0;
  transition: opacity 0.4s;
}

.shosai-book:hover {
  transform: translateY(-8px);
  border-color: var(--shosai-gold-line);
  box-shadow:
    0 24px 50px rgba(0, 0, 0, 0.5),
    0 0 32px rgba(201, 164, 78, 0.08);
}

.shosai-book:hover::after {
  opacity: 1;
}

.shosai-book-cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
  background: var(--shosai-bg);
  border-bottom: 1px solid var(--shosai-line);
}

.shosai-book-meta {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.shosai-book-tag {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--shosai-gold);
  text-transform: uppercase;
  font-weight: 600;
}

.shosai-book-tag.comic {
  color: var(--shosai-rust);
}

.shosai-book-title {
  font-family: var(--font-jp-serif);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
  margin-top: 2px;
  letter-spacing: 0.02em;
}

.shosai-book-label {
  font-size: 11px;
  opacity: 0.6;
  margin-top: auto;
  padding-top: 6px;
}

.shosai-book-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--shosai-gold);
  text-transform: uppercase;
  font-weight: 600;
}

/* ---- オンラインで読める作品 ---- */

.shosai-online {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.shosai-online-card {
  background: var(--shosai-bg-2);
  border: 1px solid var(--shosai-line);
  border-radius: 4px;
  padding: 22px 24px;
  text-decoration: none;
  color: var(--shosai-fg);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
  position: relative;
}

.shosai-online-card:hover {
  border-color: var(--shosai-gold-line);
  transform: translateY(-3px);
  background: var(--shosai-bg-3);
}

.shosai-online-en {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--shosai-gold);
  text-transform: uppercase;
}

.shosai-online-name {
  font-family: var(--font-jp-serif);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.shosai-online-desc {
  font-size: 12.5px;
  color: var(--shosai-fg-soft);
  margin-top: 6px;
  line-height: 1.8;
}

/* ---- 開示文 ---- */

.shosai-disclosure {
  background: var(--shosai-bg-2);
  border: 1px solid var(--shosai-line);
  border-radius: 4px;
  padding: 18px 22px;
  font-size: 11.5px;
  color: var(--shosai-fg-soft);
  line-height: 1.85;
  margin-top: 16px;
}

.shosai-disclosure code {
  font-family: "Consolas", "Monaco", monospace;
  font-size: 11px;
  background: var(--shosai-bg-3);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--shosai-gold-soft);
}

/* ---- フッター ---- */

.shosai-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--shosai-line);
  padding: 32px;
  background: transparent;
  margin-top: 48px;
}

.shosai-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--shosai-gold) 50%,
    transparent);
  opacity: 0.4;
}

.shosai-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.shosai-footer .brand {
  font-family: var(--font-jp-serif);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--shosai-fg-soft);
}

.shosai-footer .links {
  display: flex;
  gap: 18px;
  font-size: 12px;
}

.shosai-footer .links a {
  color: var(--shosai-fg-soft);
  text-decoration: none;
  transition: color 0.2s;
}

.shosai-footer .links a:hover {
  color: var(--shosai-gold);
}

.shosai-footer .meta {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: rgba(240, 230, 207, 0.4);
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .shosai-inner {
    flex-direction: column;
    text-align: center;
    padding: 12px 20px 28px;
  }
  .shosai-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  .shosai-main {
    padding: 56px 20px 80px;
  }
  .shosai-hero {
    padding-left: 20px;
    border-left-width: 1px;
  }
  .shosai-block {
    padding: 24px 20px;
  }
  .shosai-bookshelf {
    padding: 22px 16px 28px;
    gap: 18px;
  }
}