/* 学ぶ・遊ぶ：宇宙英単語帳・惑星の体重計・名言カード・このサイトについて・クレジット */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-btn { display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 999px; padding: 7px 13px; font: 700 13.5px var(--ff); color: var(--tx2); background: rgba(255, 255, 255, 0.05); box-shadow: inset 0 0 0 1px var(--line); cursor: pointer; transition: 0.2s; }
.chip-btn small { font-family: var(--ff-x); font-size: 12px; opacity: 0.75; }
.chip-btn:hover { color: #fff; box-shadow: inset 0 0 0 1px var(--line2); }
.chip-btn[aria-pressed='true'] { background: linear-gradient(180deg, #6fb0ff, #3a6dff); color: #fff; box-shadow: none; }

/* 単語帳 */
.words-ui .wd-search { flex: 1 1 220px; font-size: 16.5px; padding: 9px 14px; }
.wd-progress { font-size: 15px; color: var(--tx2); }
.wd-progress b { color: var(--gold); font-family: var(--ff-x); font-size: 18px; }
.wd-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.wd { position: relative; padding: 16px 16px 14px; border-radius: 16px; background: var(--panel); box-shadow: var(--glow); display: flex; flex-direction: column; gap: 4px; transition: transform 0.2s, box-shadow 0.2s; }
.wd:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px var(--line2), 0 14px 30px rgba(40, 80, 200, 0.25); }
.wd.is-known { background: linear-gradient(160deg, rgba(93, 255, 176, 0.09), var(--panel) 60%); }
.wd-top { display: flex; justify-content: space-between; align-items: center; }
.wd-emoji { font-size: 30px; line-height: 1; }
.chip.lv1 { background: rgba(93, 255, 176, 0.12); color: var(--green); }
.chip.lv2 { background: rgba(99, 140, 255, 0.16); color: #cfe0ff; }
.chip.lv3 { background: rgba(255, 122, 198, 0.14); color: var(--pink); }
.wd-en { margin: 6px 0 0; font-family: var(--ff-x); font-size: 21px; color: #fff; letter-spacing: 0.02em; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; text-transform: none; }
.wd-ja { margin: 0; font-weight: 700; font-size: 17px; color: var(--gold); }
.wd-ja small { margin-left: 8px; font-size: 12.5px; color: var(--mut); font-weight: 700; }
.wd-ex { margin: 6px 0 0; font-size: 15px; color: var(--tx); line-height: 1.55; }
.wd-exja { margin: 0; font-size: 14px; color: var(--tx2); }
.w-say { border: 0; background: rgba(99, 230, 255, 0.12); border-radius: 999px; width: 30px; height: 30px; font-size: 15.5px; cursor: pointer; flex: none; vertical-align: middle; transition: 0.2s; }
.w-say.sm { width: 24px; height: 24px; font-size: 12.5px; margin-left: 4px; }
.w-say:hover, .w-say.playing { background: rgba(99, 230, 255, 0.35); transform: scale(1.08); }
.wd-known { align-self: flex-start; margin-top: 8px; border: 0; border-radius: 999px; padding: 5px 12px; font: 700 12.5px var(--ff); color: var(--tx2); background: rgba(255, 255, 255, 0.06); cursor: pointer; }
.wd-known[aria-pressed='true'] { background: rgba(93, 255, 176, 0.18); color: var(--green); }

/* フラッシュカード */
.wd-flash { max-width: 560px; margin-left: auto; margin-right: auto; }
.fc { perspective: 1200px; cursor: pointer; outline: none; margin: 10px 0 18px; }
.fc-in { position: relative; height: 340px; transition: transform 0.6s cubic-bezier(0.3, 1.3, 0.5, 1); transform-style: preserve-3d; }
.fc.flipped .fc-in { transform: rotateY(180deg); }
.fc-face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 26px; text-align: center; box-shadow: 0 0 0 1px var(--line2), 0 24px 60px rgba(30, 60, 180, 0.35); }
.fc-front { background: radial-gradient(circle at 30% 20%, rgba(111, 176, 255, 0.35), transparent 60%), linear-gradient(160deg, #1a2766, #0a1030); }
.fc-back { background: radial-gradient(circle at 70% 20%, rgba(255, 210, 122, 0.25), transparent 60%), linear-gradient(160deg, #2a1f55, #0d0b28); transform: rotateY(180deg); }
.fc-emoji { font-size: 64px; line-height: 1; }
.fc-front b { font-family: var(--ff-x); font-size: clamp(30px, 7vw, 46px); color: #fff; }
.fc-front small { color: var(--tx2); font-weight: 700; }
.fc-hint { font-size: 13.5px; color: var(--gold); margin-top: 6px; }
.fc-back b { font-size: clamp(26px, 6vw, 36px); color: var(--gold); }
.fc-ex { font-size: 18px; color: #fff; margin: 6px 0 0; }
.fc-exja { font-size: 15.5px; color: var(--tx2); margin: 0; }
.fc-btns { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.fc-done img { margin: 0 auto; }
.fc:focus-visible .fc-in { box-shadow: 0 0 0 3px var(--cyan); border-radius: 24px; }

/* 惑星の体重計 */
.wt-ui { display: grid; grid-template-columns: 1fr 1.4fr; gap: 16px; align-items: end; }
.wt-ui .bform-note { grid-column: 1 / -1; }
@media (max-width: 640px) { .wt-ui { grid-template-columns: 1fr; } }
.wt-inp { display: flex; align-items: center; gap: 8px; }
.wt-inp .inp { font-family: var(--ff-x); font-size: 26px; width: 100%; max-width: 200px; }
.wt-inp b { font-family: var(--ff-x); font-size: 20px; color: var(--gold); }
.wt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.wt { display: grid; grid-template-columns: 76px 1fr; gap: 14px; padding: 18px; border-radius: 18px; background: var(--panel); box-shadow: var(--glow); cursor: pointer; transition: box-shadow 0.25s; }
.wt:hover { box-shadow: 0 0 0 1px var(--line2), 0 14px 40px rgba(40, 80, 200, 0.3); }
.wt-ball { width: 68px; height: 68px; border-radius: 50%; margin-top: 6px; background: radial-gradient(circle at 32% 30%, rgba(255, 255, 255, 0.85), var(--c) 38%, color-mix(in srgb, var(--c) 45%, #000) 100%); box-shadow: 0 0 28px color-mix(in srgb, var(--c) 55%, transparent), inset -8px -10px 18px rgba(0, 0, 0, 0.45); }
.wt[data-id='sun'] .wt-ball { box-shadow: 0 0 50px #ffb347, 0 0 90px rgba(255, 160, 60, 0.5); }
.wt[data-id='saturn'] .wt-ball { position: relative; }
.wt[data-id='saturn'] .wt-ball::after { content: ''; position: absolute; inset: 26px -14px; border-radius: 50%; border: 3px solid rgba(240, 220, 170, 0.7); transform: rotate(-18deg); }
.wt-name { margin: 0; }
.wt-name b { font-size: 19px; }
.wt-name span { margin-left: 8px; font-family: var(--ff-x); font-size: 13px; color: var(--mut); letter-spacing: 0.1em; }
.wt-kg { margin: 2px 0 6px; display: flex; align-items: baseline; gap: 6px; }
.wt-kg .x { font-size: 34px; color: #fff; }
.wt.heavy .wt-kg .x { color: #ffb3a1; }
.wt.light .wt-kg .x { color: var(--cyan); }
.wt-kg small { color: var(--tx2); font-size: 13.5px; font-weight: 700; }
.wt-bar { height: 6px; border-radius: 999px; background: rgba(255, 255, 255, 0.07); overflow: hidden; }
.wt-bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--gold)); transition: width 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); }
.wt-sub { margin: 8px 0 0; font-size: 14px; color: var(--tx2); }
.wt-sub b { color: #fff; }
.wt-fact { font-size: 14px; color: var(--tx2); margin: 8px 0 0; line-height: 1.6; }

/* 名言 */
.q-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 18px; align-items: start; }
.q { display: flex; flex-direction: column; gap: 8px; }
.q-when { margin: 0; color: var(--gold); font-size: 14.5px; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.q-when span { font-family: var(--ff); color: var(--tx2); font-size: 14px; letter-spacing: 0; font-weight: 700; }
.q-en { margin: 0; font-family: var(--ff-d); font-size: clamp(19px, 2vw, 23px); line-height: 1.5; color: #fff; }
.q-orig { margin: 0; font-size: 14.5px; color: var(--tx2); }
.q-easy { margin: 0; font-size: 15.5px; color: var(--tx); }
.q-ja { margin: 0; font-size: 16px; color: var(--tx2); font-weight: 700; }
.q-who { margin: 0; font-size: 15px; color: var(--tx2); }
.q-who b { color: var(--gold); }
.q-note { font-size: 14.5px; color: var(--tx2); margin: 0; }
.q-src { font-size: 13.5px; color: var(--mut); }
.q-src summary { cursor: pointer; }
.q .btn { align-self: flex-start; }
.q-maker { display: grid; grid-template-columns: 340px 1fr; gap: 24px; align-items: start; margin-bottom: 28px; }
@media (max-width: 900px) { .q-maker { grid-template-columns: 1fr; } }
.q-maker[hidden] { display: none; }
.q-ui { display: flex; flex-direction: column; gap: 12px; }
.q-maker .cm-canvas { max-width: 540px; }

/* このサイトについて・クレジット */
.prose h3 { font-size: 17px; margin: 22px 0 6px; color: var(--gold); }
.prose p, .prose li { line-height: 1.85; }
.prose ul { padding-left: 1.3em; }
.note-box { padding: 14px 16px; border-radius: 14px; background: rgba(255, 210, 122, 0.08); box-shadow: inset 0 0 0 1px rgba(255, 210, 122, 0.35); }
.cr-table { overflow-x: auto; margin-top: 12px; }
.cr-table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.cr-table th, .cr-table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cr-table th { color: var(--gold); font-size: 14px; white-space: nowrap; }
.wd-grid[hidden], .wd[hidden], .wd-flash[hidden] { display: none !important; }
/* 単語の絵（Codex が描いたもの。無い単語は絵文字のまま）2026-11-04 */
.wd-emoji img { display: block; width: 72px; height: 72px; filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.45)); transition: transform 0.3s cubic-bezier(0.3, 1.6, 0.5, 1); }
.wd:hover .wd-emoji img { transform: scale(1.12) rotate(-4deg); }
.fc-emoji img { display: block; width: 160px; height: 160px; margin: 0 auto; filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.5)); }
@media (max-width: 600px) { .wd-emoji img { width: 60px; height: 60px; } .fc-emoji img { width: 130px; height: 130px; } }

/* 単語帳 → イディオム集への入口 */
.wd-idiom-link { display:flex; align-items:center; gap:16px; padding:16px 20px; border-radius:var(--r); background:linear-gradient(120deg, rgba(242,193,78,.16), rgba(99,230,255,.10)); border:1px solid rgba(242,193,78,.45); color:var(--tx); text-decoration:none; transition:transform .2s, border-color .2s; }
.wd-idiom-link:hover { transform:translateY(-2px); border-color:#f2c14e; }
.wd-il-em { font-size:40px; flex:none; }
.wd-idiom-link b { display:block; font-size:20px; }
.wd-idiom-link small { display:block; color:#f2c14e; font-size:14px; letter-spacing:.08em; }
.wd-idiom-link em { display:block; font-style:normal; color:var(--tx2); font-size:16px; margin-top:4px; }
.wd-il-go { margin-left:auto; font-size:26px; color:#f2c14e; flex:none; }
.wd-idiom-link b { word-break:auto-phrase; }
@media (max-width:520px) {
  .wd-idiom-link { gap:12px; padding:14px 14px; }
  .wd-il-em { font-size:30px; }
  .wd-idiom-link b { font-size:18px; }
  .wd-idiom-link em { font-size:15px; }
  .wd-il-go { font-size:22px; }
}

/* 単語帳のページ分け（12語ずつ） */
.wd-count { margin:20px 4px 0; color:var(--tx2); font-size:16px; }
.wd-count b { color:#f2c14e; font-size:18px; }
.wd-pager { display:flex; align-items:center; justify-content:center; gap:10px; margin:28px 0 8px; flex-wrap:wrap; }
.wd-pager[hidden] { display:none; }
.pg-nums { display:flex; align-items:center; gap:6px; }
.pg-btn { min-width:48px; height:48px; padding:0 12px; border-radius:999px; border:1.5px solid rgba(255,255,255,.22); background:rgba(255,255,255,.06); color:var(--tx); font:inherit; font-size:17px; font-weight:700; cursor:pointer; transition:background .15s, transform .15s, border-color .15s; }
.pg-btn:hover:not(:disabled) { border-color:#f2c14e; transform:translateY(-1px); }
.pg-btn[aria-current="page"] { background:#f2c14e; border-color:#f2c14e; color:#1a1430; }
.pg-btn:disabled { opacity:.35; cursor:default; }
.pg-arrow { padding:0 18px; }
.pg-gap { color:var(--mut); padding:0 2px; }
@media (max-width:520px) {
  .wd-pager { gap:8px; }
  .pg-nums { order:-1; width:100%; justify-content:center; }
  .pg-arrow { flex:1; }
  .pg-btn { min-width:44px; height:44px; font-size:16px; }
}

/* スマホ：単語カードを横並びにして背を低く（絵は左、単語と意味は右） */
@media (max-width: 600px) {
  .wd { display: grid; grid-template-columns: 60px 1fr auto; column-gap: 12px; row-gap: 2px; align-items: center; padding: 12px 14px; }
  .wd-top { display: contents; }
  .wd-emoji { grid-column: 1; grid-row: 1 / 3; align-self: center; }
  .wd-top .chip { grid-column: 3; grid-row: 1; align-self: start; }
  .wd-en { grid-column: 2; grid-row: 1; margin: 0; }
  .wd-ja { grid-column: 2 / 4; grid-row: 2; }
  .wd-ex, .wd-exja, .wd-known { grid-column: 1 / -1; }
  .wd-ex { margin-top: 6px; }
  .wd-known { justify-self: start; margin-top: 4px; }
}