/* エコルドツールボックス（レガシーデザイン：白・緑／BIZ UDPゴシック・Zen丸ゴシック） */
:root {
  --font: 'BIZ UDPGothic', 'Hiragino Sans', 'Meiryo', sans-serif;
  --round: 'Zen Maru Gothic', 'BIZ UDPGothic', 'Hiragino Maru Gothic ProN', sans-serif;
  --bg: #f5f8f7; --line: #e2e9e7; --line2: #d5dcdb; --text: #2f3b3a; --muted: #6f7d7b;
  --primary: #3a9e8f; --primary-d: #2c8073; --primary-l: #e6f4f1; --primary-m: #8cc5ba;
  --accent: #f0a95c; --accent-d: #c7833b; --accent-l: #fdf1e3; --danger: #d65c5c; --surface: #fff;
  --shadow: 0 2px 12px rgba(40, 80, 75, .07);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.7; word-break: auto-phrase; overflow-wrap: anywhere; -webkit-tap-highlight-color: transparent; }
h1, h2, h3 { font-family: var(--round); line-height: 1.35; margin: 0; text-wrap: balance; }
p, li { text-wrap: pretty; }
a { color: var(--primary-d); }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; touch-action: manipulation; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.nw { display: inline-block; }
.ic { width: 1em; height: 1em; fill: currentColor; flex: none; }

/* ---------- ツールボックスのトップ ---------- */
.tb-head { max-width: 960px; margin: 0 auto; padding: 18px 18px 6px; display: flex; align-items: center; gap: 12px; }
.tb-logo { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 13px; background: var(--primary); color: #fff; flex: none; }
.tb-logo .ic { width: 24px; height: 24px; }
.tb-head h1 { font-size: clamp(20px, 5vw, 28px); font-weight: 900; color: var(--primary-d); }
.tb-head small { display: block; color: var(--muted); font: 700 12px/1.4 var(--font); letter-spacing: .06em; }
.tb-main { max-width: 960px; margin: 0 auto; padding: 8px 18px 24px; }
.tb-lead { margin: 6px 0 14px; padding: 14px 16px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.tb-lead p { margin: 0; font-size: clamp(14px, 3.6vw, 16px); }
.tb-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px !important; }
.tb-badges span { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; background: var(--primary-l); color: var(--primary-d); font-size: 13px; font-weight: 700; }
.tb-badges .ic { width: 13px; height: 13px; }
.tb-tools { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.tb-tool { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 16px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); text-decoration: none; color: var(--text); transition: transform .15s, border-color .15s; }
.tb-tool:hover { transform: translateY(-2px); border-color: var(--primary-m); }
.tb-tool .t-ic { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; color: #fff; }
.tb-tool .t-ic .ic { width: 28px; height: 28px; }
.tb-tool b { font: 900 clamp(16px, 4.2vw, 19px)/1.35 var(--round); }
.tb-tool small { color: var(--muted); font-size: 13px; line-height: 1.5; }
.tb-tool.soon { border-style: dashed; box-shadow: none; background: transparent; color: var(--muted); }
.tb-tool.soon .t-ic { background: var(--line2) !important; }
.tb-note { margin: 16px 0 0; color: var(--muted); font-size: 13px; text-align: center; }
.tb-foot { max-width: 960px; margin: 10px auto 0; padding: 16px 18px 28px; border-top: 1px solid var(--line); text-align: center; color: var(--muted); font-size: 12.5px; }
.tb-foot p { margin: 3px 0; }
@media (min-width: 768px) { .tb-tools { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; } .tb-tool { padding: 20px; } }
@media (min-width: 1024px) { .tb-tools { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* ---------- 絵カード ---------- */
.ek-body { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
.ek-bar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 8px; padding: 10px 12px; padding-top: max(10px, env(safe-area-inset-top)); background: rgba(245, 248, 247, .94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.ek-back { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); color: var(--primary-d); flex: none; }
.ek-back .ic { width: 20px; height: 20px; }
.ek-bar h1 { flex: 1; min-width: 0; font-size: clamp(17px, 4.6vw, 22px); font-weight: 900; color: var(--primary-d); }
.ek-main { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 14px 14px 28px; }
.ek-h2 { font-size: 15px; color: var(--muted); margin: 18px 0 8px; font-weight: 700; }
.ek-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 48px; padding: 10px 18px; border-radius: 16px; background: var(--surface); border: 1.5px solid var(--line2); font: 700 16px/1.3 var(--round); color: var(--text); }
.ek-btn .ic { width: 18px; height: 18px; }
.ek-btn.pri { background: var(--primary); border-color: var(--primary); color: #fff; }
.ek-btn.acc { background: var(--accent); border-color: var(--accent); color: #fff; }
.ek-btn:disabled { opacity: .4; }
.ek-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin-top: 14px; }

/* メニュー */
.ek-menu { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ek-mt { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 10px 16px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); text-decoration: none; color: var(--text); }
.ek-mt .pic { display: grid; place-items: center; width: 100%; aspect-ratio: 4 / 3; border-radius: 14px; background: var(--primary-l); overflow: hidden; font: 900 clamp(40px, 12vw, 64px)/1 var(--round); color: var(--primary-d); }
.ek-mt .pic img { width: 82%; height: auto; }
.ek-mt b { font: 900 clamp(16px, 4.4vw, 20px)/1.3 var(--round); }
.ek-mt small { color: var(--muted); font-size: 12.5px; text-align: center; line-height: 1.45; }
@media (min-width: 768px) { .ek-menu { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; } }
.ek-set { margin-top: 18px; padding: 14px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); }
.ek-set h2 { font-size: 16px; color: var(--primary-d); margin-bottom: 6px; }
.ek-set-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 8px 0; border-top: 1px dashed var(--line); }
.ek-set-row:first-of-type { border-top: 0; }
.ek-set-row > span { width: 100%; font-weight: 700; font-size: 14px; color: var(--muted); }
.ek-seg { display: flex; flex-wrap: wrap; gap: 6px; }
.ek-seg button { min-height: 44px; padding: 8px 14px; border-radius: 14px; border: 1.5px solid var(--line2); background: var(--surface); font: 700 15px/1.3 var(--round); }
.ek-seg button[aria-pressed="true"] { background: var(--primary); border-color: var(--primary); color: #fff; }
@media (min-width: 768px) { .ek-set-row > span { width: 9em; } }

/* 一覧 */
.ek-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.ek-it { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 6px 10px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; color: var(--text); }
.ek-it img { width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; }
.ek-it b { font: 700 14px/1.35 var(--round); text-align: center; }
.ek-it ruby rt { font-size: 9px; color: var(--muted); }
.ek-tbl { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; max-width: 560px; margin: 0 auto; }
.ek-k { display: flex; flex-direction: column; align-items: center; justify-content: center; aspect-ratio: 1; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; color: var(--text); }
.ek-k b { font: 700 clamp(26px, 8vw, 40px)/1 var(--round); }
.ek-k small { margin-top: 4px; font: 700 11px/1 var(--font); color: var(--muted); letter-spacing: .04em; }
.ek-k.gap { visibility: hidden; }
.ek-nums { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; max-width: 760px; margin: 0 auto; }
@media (min-width: 640px) { .ek-nums { grid-template-columns: repeat(10, minmax(0, 1fr)); } }
.ek-nums .ek-k b { font-size: clamp(18px, 5vw, 26px); }
.ek-sgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.ek-sgrid .ek-it img { background: #fff; }

/* 乗り物カード */
.ek-vc { display: grid; gap: 14px; align-items: center; }
@media (min-width: 900px) { .ek-vc { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); } }
.ek-pic { display: block; width: 100%; max-width: 440px; margin: 0 auto; padding: 0; border-radius: 24px; background: #fff; border: 1px solid var(--line); overflow: hidden; }
.ek-pic img { display: block; width: 100%; height: auto; }
.ek-word { display: flex; flex-wrap: nowrap; justify-content: center; gap: max(4px, calc(var(--fs) * .12)); --fs: min(64px, calc((100vw - 64px) / var(--n) * .82)); }
@media (min-width: 900px) { .ek-word { --fs: min(72px, calc((50vw - 80px) / var(--n) * .82)); } }
.ek-g { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 6px 4px 8px; border-radius: 18px; border: 2px solid transparent; }
.ek-g .chs { display: flex; }
.ek-ch { display: flex; flex-direction: column; align-items: center; width: calc(var(--fs) * 1.02); }
.ek-ch i { font-style: normal; font: 700 calc(var(--fs) * .3)/1.1 var(--round); color: var(--muted); min-height: 1.1em; }
.ek-ch b { font: 900 var(--fs)/1.1 var(--round); }
.ek-dots { display: flex; align-items: center; gap: calc(var(--fs) * .08); padding: calc(var(--fs) * .07) calc(var(--fs) * .12); border-radius: 999px; }
.ek-g.multi .ek-dots { border: 2px solid var(--primary-m); background: var(--primary-l); }
.ek-dot { display: block; border-radius: 50%; border: 3px solid var(--primary); background: #fff; }
.ek-dot.big { width: calc(var(--fs) * .46); height: calc(var(--fs) * .46); }
.ek-dot.small { width: calc(var(--fs) * .24); height: calc(var(--fs) * .24); border-width: 2px; }
.ek-g.on { border-color: var(--accent); background: var(--accent-l); }
.ek-g.on .ek-dot, .ek-g.done .ek-dot { background: var(--primary); }
.ek-g.on .ek-dot { background: var(--accent); border-color: var(--accent-d); }
.ek-count { display: flex; justify-content: center; gap: 10px; margin-top: 12px; font: 700 15px/1.4 var(--round); }
.ek-count span { padding: 4px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); }
.ek-count b { font-size: 20px; color: var(--primary-d); margin: 0 2px; }
.ek-hint { margin: 8px 0 0; text-align: center; color: var(--muted); font-size: 13px; }

/* なぞる */
.ek-tc { display: grid; gap: 14px; align-items: start; }
@media (min-width: 900px) { .ek-tc { grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); } }
.ek-board { position: relative; width: 100%; max-width: 460px; margin: 0 auto; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.ek-board.wide { max-width: 640px; }
.ek-board svg { display: block; width: 100%; height: auto; touch-action: none; }
.ek-board .grid line { stroke: #eef3f2; stroke-width: .6; stroke-dasharray: 2 2; }
.ek-board .gd { fill: none; stroke: #e7eeec; stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; }
.ek-board .cur { fill: none; stroke: #d7efe9; stroke-width: 10; stroke-linecap: round; stroke-linejoin: round; }
.ek-board .cl { fill: none; stroke: var(--primary-m); stroke-width: 1.2; stroke-dasharray: 3 3; stroke-linecap: round; }
.ek-board .pr, .ek-board .dn { fill: none; stroke: var(--primary); stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; }
.ek-board .st { fill: var(--accent); }
.ek-board .stn { fill: #fff; font: 900 6px/1 var(--round); text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.ek-board .fin .dn { stroke: var(--primary-d); }
.ek-side { display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; }
.ek-roma { font: 900 clamp(44px, 12vw, 72px)/1 var(--round); color: var(--accent-d); letter-spacing: .04em; }
.ek-big { font: 900 clamp(40px, 11vw, 64px)/1.1 var(--round); }
.ek-read { font: 700 clamp(18px, 5vw, 24px)/1.4 var(--round); color: var(--muted); }
.ek-prog { display: flex; gap: 6px; }
.ek-prog i { width: 14px; height: 14px; border-radius: 50%; background: var(--line2); }
.ek-prog i.on { background: var(--primary); }
.ek-done { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; opacity: 0; transition: opacity .25s; }
.ek-done.show { opacity: 1; }
.ek-done span { padding: 10px 24px; border-radius: 999px; background: rgba(255, 255, 255, .92); border: 3px solid var(--accent); font: 900 clamp(26px, 7vw, 40px)/1.2 var(--round); color: var(--accent-d); box-shadow: 0 6px 24px rgba(199, 131, 59, .25); transform: scale(.8); transition: transform .3s cubic-bezier(.3, 1.6, .5, 1); }
.ek-done.show span { transform: scale(1); }
.ek-qty { display: flex; flex-direction: column; align-items: center; gap: 4px; margin-top: 4px; }
.ek-ten { display: flex; gap: 2px; padding: 2px; border-radius: 6px; background: var(--primary-l); }
.ek-ten i, .ek-ones i { display: block; width: 12px; height: 12px; border-radius: 3px; background: var(--primary); }
.ek-ones { display: flex; gap: 2px; padding: 2px; }
.ek-ones i { background: var(--accent); border-radius: 50%; }

/* こんなとき */
.ek-sc { display: grid; gap: 14px; align-items: start; }
@media (min-width: 900px) { .ek-sc { grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); } }
.ek-q { display: flex; align-items: center; justify-content: center; min-height: 92px; padding: 14px 18px; border-radius: 22px; background: var(--surface); border: 2px solid var(--primary-m); font: 900 clamp(22px, 6.4vw, 32px)/1.4 var(--round); color: var(--primary-d); text-align: center; width: 100%; }
.ek-qn { display: flex; gap: 6px; justify-content: center; margin-top: 8px; }
.ek-qn i { width: 10px; height: 10px; border-radius: 50%; background: var(--line2); }
.ek-qn i.on { background: var(--primary); }
.ek-reveal { position: relative; overflow: hidden; }
.ek-reveal::after { content: ''; position: absolute; left: 0; bottom: 0; height: 4px; width: var(--p, 0%); background: var(--accent); }
.ek-ex { margin-top: 12px; padding: 12px; border-radius: 18px; background: var(--accent-l); border: 1px solid #f3d3ad; text-align: center; }
.ek-ex img { width: 100%; max-width: 280px; border-radius: 14px; background: #fff; }
.ek-ex p { margin: 6px 0 0; font: 700 16px/1.5 var(--round); }
.ek-ex small { color: var(--muted); }
.ek-foot { padding: 14px; text-align: center; color: var(--muted); font-size: 12px; }
.ek-foot a { color: var(--muted); }