/* 一卦 ─ ランディング + Web版
   拡張機能とまったく同じ筮机を、ページの中に置いています。
   自己完結(サブドメイン化してもリンク切れしない) */

@font-face {
  font-family: "Ikka Kanji";
  src: url("ikka-kanji.woff2") format("woff2");
  font-weight: 400;
  font-display: block;
  unicode-range:
    U+4E00-9FFF, U+30FB, U+2500,
    U+00E0, U+00E1, U+00E8, U+00E9, U+00EC, U+00ED,
    U+00F2, U+00F3, U+00F9, U+00FA,
    U+0101, U+0113, U+012B, U+014D, U+016B,
    U+01CE, U+01D0, U+01D2, U+01D4, U+01DA;
}

:root {
  --paper: #f3efe5;
  --paper-deep: #ebe5d6;
  --sumi: #2b2723;
  --usuzumi: #7c766a;
  --shu: #a63b22;
  --hair: rgba(43, 39, 35, 0.16);
  --serif: "Shippori Mincho", "Ikka Kanji", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background:
    radial-gradient(120% 80% at 50% 0%, var(--paper), var(--paper-deep) 92%) var(--paper);
  color: var(--sumi);
  font-family: var(--sans);
  line-height: 2;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; border-bottom: 1px solid rgba(166, 59, 34, 0.4); text-decoration: none; padding-bottom: 1px; }
a:hover { color: var(--shu); border-color: var(--shu); }
a:focus-visible { outline: 2px solid var(--shu); outline-offset: 3px; }

.page { max-width: 720px; margin: 0 auto; padding: 40px clamp(20px, 6vw, 48px) 64px; }
.topbar { display: flex; justify-content: space-between; align-items: baseline; }
.crumb { font-size: 0.8rem; letter-spacing: 0.2em; color: var(--usuzumi); }
.crumb a { border-bottom: none; }

.lang-btn {
  appearance: none; background: transparent;
  border: 1px solid rgba(166, 59, 34, 0.4); border-radius: 2px;
  color: var(--usuzumi); font-family: var(--sans);
  font-size: 0.72rem; letter-spacing: 0.15em; padding: 4px 10px; cursor: pointer;
  transition: color 0.25s, border-color 0.25s;
}
.lang-btn:hover { color: var(--sumi); border-color: var(--shu); }
.lang-btn:focus-visible { outline: 2px solid var(--shu); outline-offset: 2px; }

/* ── ヒーロー ── */
.hero { text-align: center; padding: clamp(40px, 8vh, 80px) 0 32px; }
.title {
  font-family: var(--serif);
  font-size: clamp(3rem, 9vw, 4.4rem);
  font-weight: 500;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
}
.yomi { color: var(--usuzumi); font-size: 0.82rem; letter-spacing: 0.24em; margin-top: 0.8em; }
.lead { margin-top: 2.2em; font-size: 0.95rem; }

/* ── Web版の筮机 ── */
.desk-wrap {
  margin: 40px auto 0;
  max-width: 560px;
  border: 1px solid var(--hair);
  border-radius: 6px;
  background: #f1ede2;
  box-shadow: 0 10px 30px rgba(43, 39, 35, 0.08);
  overflow: hidden;
}
.desk-note {
  text-align: center;
  color: var(--usuzumi);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  margin-top: 12px;
}

/* ── 入手 ── */
.get {
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid var(--hair);
}
.get-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.22em;
  text-align: center;
  margin-bottom: 28px;
}
.ways { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.way {
  border: 1px solid var(--hair);
  border-radius: 4px;
  padding: 22px 24px 24px;
  background: rgba(255, 255, 255, 0.45);
}
.way h3 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  margin-bottom: 0.7em;
}
.way p { font-size: 0.85rem; color: var(--usuzumi); }
.way .dl {
  display: inline-block;
  margin-top: 1.2em;
  border: 1px solid rgba(166, 59, 34, 0.45);
  border-radius: 2px;
  padding: 7px 18px;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--shu);
}
.way .dl:hover { background: rgba(166, 59, 34, 0.06); }
.way .badge {
  display: inline-block; margin-top: 1.2em;
  font-size: 0.78rem; letter-spacing: 0.16em; color: var(--usuzumi);
  border: 1px solid var(--hair); border-radius: 2px; padding: 7px 16px;
}

/* 手動インストールの手順 */
.steps { margin-top: 1.4em; padding-left: 1.2em; font-size: 0.8rem; color: var(--usuzumi); }
.steps li { margin-bottom: 0.3em; line-height: 1.9; }

/* ── 静けさの設計 ── */
.quiet { margin-top: 64px; }
.quiet ul { list-style: none; color: var(--usuzumi); font-size: 0.88rem; }
.quiet li { padding-left: 1.4em; text-indent: -1.4em; }
.quiet li::before { content: "─ "; color: var(--shu); }

.foot {
  margin-top: 72px; padding-top: 28px;
  border-top: 1px solid var(--hair);
  color: var(--usuzumi); font-size: 0.85rem;
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
}
.foot-seal { width: 26px; opacity: 0.55; }

@media (max-width: 560px) {
  .ways { grid-template-columns: 1fr; }
}

/* ============================================================
   ここから下は拡張機能とまったく同じ筮机のスタイル
   ============================================================ */
.desk {
  position: relative;
  width: 560px;
  max-width: 100%;
  min-height: 360px;
  padding: 20px 24px 18px;
  background: radial-gradient(130% 100% at 50% 0%, var(--paper), var(--paper-deep) 92%);
  font-family: "Ikka Kanji", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  display: flex;
  flex-direction: column;
}

/* ── 見出し ── */
.head { text-align: center; }
.app-name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.6em;
  text-indent: 0.6em;
}
.tagline {
  margin-top: 5px;
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--usuzumi);
}

/* ── 台のならび ── */
.table {
  display: flex;
  gap: 20px;
  margin-top: 14px;
  align-items: stretch;
}

/* 左: 筮台 */
.dais {
  flex: 0 0 240px;
  display: flex;
  flex-direction: column;
}
#dice {
  display: block;
  width: 240px;
  height: 180px;
  border: 1px solid var(--hair);
  border-radius: 4px;
  background:
    radial-gradient(100% 130% at 50% 0%, rgba(255,255,255,0.35), rgba(43,39,35,0.05));
}

.throw-btn {
  appearance: none;
  margin-top: 12px;
  background: transparent;
  border: 1px solid rgba(43, 39, 35, 0.35);
  border-radius: 2px;
  color: var(--sumi);
  font: inherit;
  font-size: 12.5px;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  padding: 9px 0;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, opacity 0.25s;
}
.throw-btn:hover { border-color: var(--shu); color: var(--shu); }
.throw-btn:focus-visible { outline: 2px solid var(--shu); outline-offset: 3px; }
.throw-btn:disabled { opacity: 0.35; cursor: default; }

/* 右: 卦の盤 */
.board {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lines {
  display: flex;
  flex-direction: column-reverse; /* 初爻が下 */
  gap: 16px;
}

.yao {
  position: relative;
  width: 168px;
  height: 11px;
  display: flex;
}
.yao .stroke {
  height: 100%;
  background: linear-gradient(90deg, #1f1b16 0%, #2b2723 55%, #56503f 100%);
  border-radius: 1.5px 5px 5px 1.5px;
  clip-path: inset(0 100% 0 0);
  opacity: 0.55;
  animation: hiku 1.25s cubic-bezier(0.62, 0.02, 0.84, 0.55) forwards;
}
.yao .stroke { width: 100%; }
.yao.yin .stroke {
  background:
    linear-gradient(90deg, transparent 0 42%, var(--shu) 42% 58%, transparent 58% 100%),
    linear-gradient(90deg, #1f1b16 0%, #2b2723 55%, #56503f 100%);
}

/* 変爻の朱印 */
.yao .mark {
  position: absolute;
  left: -22px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--shu);
  transform: translateY(-50%) scale(0);
  animation: shirushi 0.8s cubic-bezier(0.3, 1.4, 0.5, 1) 1.5s forwards;
}

@keyframes hiku { to { clip-path: inset(0 -2% 0 0); opacity: 1; } }
@keyframes shirushi { to { transform: translateY(-50%) scale(1); } }
@keyframes ukabu { to { opacity: 1; } }

/* 卦名(縦書き) */
.hex-name {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 19px;
  letter-spacing: 0.28em;
  color: var(--sumi);
  opacity: 0;
  transition: opacity 2.8s ease 0.75s;
}
.hex-name.lit { opacity: 1; }

/* ── 結果 ── */
.result {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  text-align: center;
  opacity: 0;
  animation: ukabu 1.8s ease 0.6s forwards;
}
.hex-meta {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--usuzumi);
}
.sep { margin: 0 4px; opacity: 0.6; }
.moving-pos { color: var(--shu); }
.hex-word {
  margin-top: 6px;
  font-size: 13.5px;
  letter-spacing: 0.1em;
}
.changing {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--usuzumi);
}
.changing-label {
  color: var(--shu);
  letter-spacing: 0.22em;
  margin-right: 8px;
  font-size: 11px;
}

.copy-btn {
  appearance: none;
  margin: 12px auto 0;
  display: block;
  background: transparent;
  border: 1px solid var(--hair);
  border-radius: 2px;
  color: var(--usuzumi);
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 6px 16px;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s;
}
.copy-btn:hover { color: var(--shu); border-color: var(--shu); }
.copy-btn:focus-visible { outline: 2px solid var(--shu); outline-offset: 2px; }
.copy-btn.done { color: var(--shu); border-color: rgba(166, 59, 34, 0.4); }




@media (prefers-reduced-motion: reduce) {
  .yao .stroke { animation-duration: 0.01s; animation-delay: 0s; }
  .yao .mark { animation-duration: 0.01s; }
  .hex-name { transition-duration: 0.01s; }
  .result { animation-duration: 0.01s; }
}

/* ---------- 英語表示の調整 ---------- */
body.lang-en {
  font-family: "Ikka Kanji", "Palatino", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}
body.lang-en .tagline { letter-spacing: 0.14em; font-size: 10px; }
body.lang-en .throw-btn { letter-spacing: 0.16em; text-indent: 0.16em; font-size: 11.5px; }
body.lang-en .copy-btn { letter-spacing: 0.12em; }
body.lang-en .hex-meta { letter-spacing: 0.06em; }
body.lang-en .hex-word { letter-spacing: 0.02em; font-size: 13px; font-style: italic; }
body.lang-en .changing { letter-spacing: 0.02em; }
body.lang-en .changing-label {
  letter-spacing: 0.14em;
  font-variant: small-caps;
  text-transform: lowercase;
}
/* 英語表示でも卦名は漢字のまま(縦書き) */
body.lang-en .hex-name { font-size: 19px; letter-spacing: 0.28em; }
body.lang-en .kanji { letter-spacing: 0.14em; }


/* 狭い画面では筮台と盤を縦に */
@media (max-width: 560px) {
  .desk { padding: 18px 16px; }
  .table { flex-direction: column; align-items: center; gap: 16px; }
  .dais { flex: 0 0 auto; width: 240px; }
  .board { width: 100%; min-height: 210px; }
}