/* ══════════════════════════════════════════
   COMPONENTS — Mint Design System
   base-design-system.html のスタイル定義を抽出
══════════════════════════════════════════ */
@import './tokens.css';
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Roboto+Mono:wght@400;500&display=swap');

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--mint-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ══════════════════════════════════════════
   site-header
   共通ヘッダー（base.js で挿入・トップへ戻るリンク）
   padding-top はヘッダー挿入前のレイアウトシフト防止のため共通化
══════════════════════════════════════════ */
body {
  padding-top: 52px !important; /* ページの padding 指定より優先（レイアウトシフト防止） */
}
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 52px;
  z-index: 1000;
  background: var(--card-bg, #fff);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px var(--shadow, rgba(74, 140, 111, 0.12));
  border-bottom: 1px solid var(--mint-light, #d4ede3);
}
.site-header-logo {
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  font-weight: 600;
  color: var(--accent-deep, #4a8c6f);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}
.site-header-logo:hover {
  color: var(--accent, #a8d5ba);
}

/* ══════════════════════════════════════════
   ds-page-title
   ツールページタイトル（統一コンポーネント）
   <header class="ds-page-title"><h1>…</h1><p>…</p></header>
══════════════════════════════════════════ */
.ds-page-title {
  margin-top: clamp(20px, 4vw, 36px);
  margin-bottom: clamp(20px, 4vw, 32px);
}
.ds-page-title h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.ds-page-title p {
  font-size: clamp(0.82rem, 2vw, 0.95rem);
  color: var(--sub-text);
  line-height: 1.65;
  margin: 0;
}

/* 後方互換：app-scope 直下 h1+p（ds-page-title 未使用時） */
.app-scope > h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin-top: clamp(20px, 4vw, 36px);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.app-scope > h1 + p {
  font-size: clamp(0.82rem, 2vw, 0.95rem);
  color: var(--sub-text);
  line-height: 1.65;
  margin-bottom: clamp(20px, 4vw, 32px);
}
#site-header + h1,
body > h1:first-of-type,
.wrapper > h1:first-of-type {
  margin-top: clamp(20px, 4vw, 32px);
}
#site-header + h1 + p,
body > h1:first-of-type + p,
.wrapper > h1:first-of-type + p {
  margin-bottom: clamp(20px, 4vw, 32px);
}

/* ══════════════════════════════════════════
   app-scope — ページ基本レイアウト
   すべてのアプリの <main class="app-scope"> に適用
══════════════════════════════════════════ */
.app-scope {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px) 80px;
}

/* ══════════════════════════════════════════
   2カラムページレイアウト
   PC: 入力(左固定幅) + 結果(右可変)
   SP: 縦1カラム
══════════════════════════════════════════ */
.ds-page-cols {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 800px) {
  .ds-page-cols {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 20px;
    align-items: start;
  }
  .ds-input-col {
    position: sticky;
    top: 72px; /* site-header(52px) + 余白20px */
  }
  .ds-result-col {
    position: sticky;
    top: 72px;
  }
  /* 2カラム時の左右フェードイン（トップページの .tool-card に合わせ 0.45s） */
  .ds-input-col .ds-card {
    animation: secFadeIn 0.45s cubic-bezier(0.22,0.61,0.36,1) both;
  }
  .ds-input-col .ds-card:nth-child(1) { animation-delay: 0.04s; }
  .ds-result-col .ds-card {
    animation: secFadeIn 0.45s cubic-bezier(0.22,0.61,0.36,1) both;
    animation-delay: 0.1s;
  }
  /* ds-input-col は 340px 幅のため、フォームを縦並びに（はみ出し防止） */
  .ds-input-col .ds-form-row {
    grid-template-columns: 1fr;
  }
}

.ds-result-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0; /* grid内でのはみ出し防止 */
}

/* ══════════════════════════════════════════
   KEYFRAMES
══════════════════════════════════════════ */
@keyframes shimmerBar    { 0%{background-position:200% 0} 100%{background-position:-200% 0} }
@keyframes secFadeIn     { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
@keyframes pulseBadge    { 0%,100%{box-shadow:0 2px 12px var(--accent-border)} 50%{box-shadow:0 4px 22px rgba(74,140,111,0.45)} }
@keyframes barShimmer    { 0%{left:-100%} 100%{left:200%} }
@keyframes dsConfettiFall{ 0%{transform:translateY(-20px) rotate(0deg) scale(0);opacity:1} 100%{transform:translateY(100vh) rotate(720deg) scale(0.4);opacity:0} }
@keyframes fadeInDown    { from{opacity:0;transform:translateY(-12px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInUp      { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }
@keyframes floatLeaf     { 0%,100%{transform:translateY(0) rotate(-3deg)} 50%{transform:translateY(-8px) rotate(3deg)} }

/* ══════════════════════════════════════════
   ds-badge
   インラインバッジ（ステータス・ラベル表示）
══════════════════════════════════════════ */
.ds-badge {
  display: inline-block;
  background: var(--accent); color: #fff;
  font-size: 11px; letter-spacing: 0.14em;
  padding: 4px 16px; border-radius: 20px; font-weight: 500;
  box-shadow: 0 2px 12px var(--accent-border);
  animation: pulseBadge 3s ease-in-out infinite;
}

/* ══════════════════════════════════════════
   ds-card
   ホワイトカード（グリーンシマーバー付き）
══════════════════════════════════════════ */
.ds-card {
  background: var(--card-bg); border-radius: 28px; padding: 28px;
  box-shadow: 0 8px 40px var(--shadow), 0 1px 4px rgba(0,0,0,0.04), inset 0 1px 0 rgba(255,255,255,0.8);
  position: relative; overflow: hidden;
}
.ds-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep), var(--accent));
  background-size: 200%; animation: shimmerBar 3s linear infinite;
  border-radius: 28px 28px 0 0;
}

/* ds-card 内ラベル（●条件設定 / ●シミュレーション結果 等） */
.ds-card-label {
  font-size: clamp(0.65rem, 1.9vw, 0.75rem); font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--sub-text); margin-bottom: clamp(16px, 3vw, 22px);
  display: flex; align-items: center; gap: 8px;
}
.ds-card-label::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-deep); flex-shrink: 0;
}

/* ══════════════════════════════════════════
   ds-input
   ボーダー付きテキスト入力（フルワイド）
══════════════════════════════════════════ */
.ds-input-wrap { position: relative; }
.ds-input {
  width: 100%; padding: 16px 56px 16px 20px;
  font-size: 20px; font-family: 'Roboto', sans-serif; font-weight: 500;
  color: var(--text-main); border: 2px solid var(--mint-light);
  border-radius: 16px; outline: none; background: var(--mint-pale);
  transition: all 0.3s ease; letter-spacing: 0.04em;
}
.ds-input::placeholder { color: var(--placeholder); font-weight: 500; font-size: 16px; }
.ds-input:focus { border-color: var(--accent); background: var(--card-bg); box-shadow: 0 0 0 4px rgba(168,213,186,0.25); }
.ds-input-unit {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  font-size: 13px; color: var(--sub-text); pointer-events: none;
}

/* ══════════════════════════════════════════
   Buttons
══════════════════════════════════════════ */
.ds-btn-primary {
  background: var(--accent-deep); color: #fff;
  border: none; border-radius: 20px; padding: 10px 24px;
  font-size: 13px; font-family: inherit; font-weight: 500; letter-spacing: 0.06em;
  cursor: pointer; transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 2px 12px rgba(74,140,111,0.35);
}
.ds-btn-primary:hover { transform: scale(1.05); box-shadow: 0 4px 18px rgba(74,140,111,0.45); }
.ds-btn-primary:active { transform: scale(0.96); }

.ds-btn-secondary {
  background: transparent; color: var(--sub-text);
  border: 1.5px solid var(--mint-light); border-radius: 20px; padding: 9px 22px;
  font-size: 13px; font-family: inherit; letter-spacing: 0.06em;
  cursor: pointer; transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
}
.ds-btn-secondary:hover { border-color: var(--accent-deep); color: var(--accent-deep); background: var(--mint-pale); transform: scale(1.05); }
.ds-btn-secondary:active { transform: scale(0.96); }

.ds-btn-ghost {
  background: transparent; color: var(--sub-text);
  border: none; border-radius: 8px; padding: 8px 16px;
  font-size: 13px; font-family: inherit; cursor: pointer;
  transition: all 0.2s ease;
}
.ds-btn-ghost:hover { background: var(--mint-pale); color: var(--text-main); }

/* ══════════════════════════════════════════
   ds-segment
   セグメントコントロール（タブ切り替え）
══════════════════════════════════════════ */
.ds-segment {
  display: flex; gap: 6px; background: var(--mint-pale);
  padding: 5px; border-radius: 14px; width: fit-content;
}
.ds-seg-btn {
  padding: 9px 20px; border: none; border-radius: 10px;
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  color: var(--sub-text); background: transparent; letter-spacing: 0.04em;
  font-family: inherit;
}
.ds-seg-btn.active {
  background: var(--card-bg); color: var(--accent-deep);
  box-shadow: 0 2px 10px var(--shadow); transform: scale(1.02);
}
.ds-seg-btn:hover:not(.active) { background: rgba(168,213,186,0.2); }

/* ══════════════════════════════════════════
   ds-result
   結果カード（KPI単体表示）
══════════════════════════════════════════ */
.ds-result {
  background: var(--mint-pale); border-radius: 16px; padding: 18px 20px;
  border: 1.5px solid var(--mint-light); margin-bottom: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ds-result:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--shadow); }
.ds-result.highlight {
  background: linear-gradient(135deg, #f0faf6, #e8f5f1);
  border-color: var(--accent); box-shadow: 0 4px 20px rgba(74,140,111,0.1);
}
.ds-result-label { font-size: 11px; color: var(--sub-text); margin-bottom: 5px; letter-spacing: 0.08em; }
.ds-result-value {
  font-family: 'Roboto', sans-serif; font-size: 26px; font-weight: 500;
  color: var(--text-main); display: flex; align-items: baseline; gap: 4px;
}
.ds-result-unit { font-family: 'Hiragino Kaku Gothic ProN', sans-serif; font-size: 13px; color: var(--sub-text); font-weight: 400; }
.ds-result-sub { font-size: 11px; color: var(--sub-text); margin-top: 6px; line-height: 1.4; }

/* ══════════════════════════════════════════
   ds-progress
   進捗バー（グラデーション＋シマー）
══════════════════════════════════════════ */
.ds-progress-bg { height: 6px; background: var(--mint-light); border-radius: 3px; overflow: hidden; }
.ds-progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  border-radius: 3px; transition: width 1s cubic-bezier(0.22,0.61,0.36,1);
  position: relative; overflow: hidden;
}
.ds-progress-fill::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: barShimmer 2s ease-in-out infinite;
}

/* ══════════════════════════════════════════
   ds-divider
   区切り線（フェードグラデーション）
══════════════════════════════════════════ */
.ds-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--mint-light), transparent); margin: 20px 0; }

/* ══════════════════════════════════════════
   ds-form-row
   ラベル＋インプットの横並びレイアウト
   --form-label-w でラベル幅をカスタマイズ可能（デフォルト 200px）
══════════════════════════════════════════ */
.ds-form-rows { display: flex; flex-direction: column; gap: clamp(18px, 3.5vw, 26px); }
.ds-form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media (min-width: 560px) {
  .ds-form-row {
    grid-template-columns: var(--form-label-w, 200px) 1fr;
    align-items: center;
    gap: 20px;
  }
}
.ds-form-row-label { display: flex; flex-direction: column; gap: 4px; }
.ds-form-row-label .lname {
  font-size: clamp(0.9rem, 2.8vw, 1.05rem);
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}
.ds-form-row-label .ldesc {
  font-size: clamp(0.65rem, 2vw, 0.75rem);
  color: var(--sub-text);
  line-height: 1.5;
}
.ds-form-row-right { display: flex; flex-direction: column; gap: 10px; min-width: 0; }

/* ══════════════════════════════════════════
   ds-toast
   フローティングトースト通知
══════════════════════════════════════════ */
.ds-toast {
  position: fixed; bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--accent-deep); color: #fff; padding: 12px 28px;
  border-radius: 40px; font-size: 13px; letter-spacing: 0.08em;
  box-shadow: 0 6px 24px rgba(74,140,111,0.4);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.4s ease;
  opacity: 0; z-index: 9999; white-space: nowrap; pointer-events: none;
}
.ds-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ══════════════════════════════════════════
   ds-confetti
   コンフェッティエフェクト用コンテナ
══════════════════════════════════════════ */
#ds-confetti { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 9998; overflow: hidden; }
.ds-confetti-piece { position: absolute; animation: dsConfettiFall linear forwards; opacity: 0; }

/* ══════════════════════════════════════════
   ds-range
   シンプルスライダー（ds-progress と同じ fill＋シマーアニメーション）
══════════════════════════════════════════ */
.ds-range-wrap {
  position: relative;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--mint-light);
  overflow: visible;
}
.ds-range-wrap .ds-range {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
}
.ds-range-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  border-radius: 3px;
  overflow: hidden;
  /* transition なし：thumb と fill を完全同期させるため */
  pointer-events: none;
}
.ds-range-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: barShimmer 2s ease-in-out infinite;
}
.ds-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  display: block;
  position: relative;
  z-index: 1;
  /* 単体使用時のフォールバック（wrap 内では transparent で上書き） */
  background: linear-gradient(
    to right,
    var(--accent) 0%,
    var(--accent-deep) var(--pct, 0%),
    var(--mint-light) var(--pct, 0%),
    var(--mint-light) 100%
  );
}
.ds-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--accent-deep);
  box-shadow: 0 1px 6px rgba(74, 140, 111, 0.18);
  transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1);
  cursor: grab;
}
.ds-range::-webkit-slider-thumb:hover { transform: scale(1.2); }
.ds-range::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--accent-deep);
  box-shadow: 0 1px 6px rgba(74, 140, 111, 0.18);
  cursor: grab;
}

/* ══════════════════════════════════════════
   note-box / dashed-box
   注釈・補足ボックス
══════════════════════════════════════════ */
.note-box {
  background: rgba(168,213,186,0.1); border-left: 3px solid var(--accent);
  border-radius: 12px; padding: 14px 18px; font-size: 12px;
  color: var(--sub-text); line-height: 1.8; letter-spacing: 0.05em;
}
.dashed-box {
  border: 1px dashed var(--mint-light); border-radius: 12px;
  padding: 14px 18px; background: var(--mint-pale); font-size: 12px;
  color: var(--sub-text); line-height: 1.8; font-family: 'Roboto Mono', monospace;
}

/* ══════════════════════════════════════════
   ① ds-input-stepper
   数値入力 + スライダー + ±ボタン セット
══════════════════════════════════════════ */
.ds-val-row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.ds-val-row-stack { display: flex; flex-direction: column; gap: 10px; }
.ds-val-row-stack .ds-chip-scroll { margin-left: 0; flex: none; }
.ds-val-row .ds-input-underline {
  font-family: 'Roboto', 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: clamp(1.1rem, 3.5vw, 1.8rem);
  font-weight: 500;
  flex: 1;
  min-width: 0;
  border: none;
  border-bottom: 2px solid var(--mint-light);
  background: transparent;
  padding: 4px 0 6px;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s ease;
  -moz-appearance: textfield;
}
.ds-val-row .ds-input-underline:focus {
  border-bottom-color: var(--accent-deep);
}
.ds-val-row .ds-input-underline::-webkit-outer-spin-button,
.ds-val-row .ds-input-underline::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.ds-num-edit {
  font-size: clamp(1.5rem, 5.5vw, 2rem); font-weight: 500;
  color: var(--text-main); font-family: 'Roboto', sans-serif;
  border: none; border-bottom: 2px solid var(--mint-light); outline: none;
  background: transparent; width: 100px; -moz-appearance: textfield;
  padding: 0 4px 4px; transition: border-color .25s ease; line-height: 1.1;
}
.ds-num-edit:focus { border-bottom-color: var(--accent-deep); }
.ds-num-edit::-webkit-outer-spin-button,
.ds-num-edit::-webkit-inner-spin-button { -webkit-appearance: none; }
.ds-val-unit { font-size: 0.95rem; color: var(--sub-text); font-weight: 500; }

/* ══════════════════════════════════════════
   ds-input-num-underline
   数値入力（アンダーラインのみ・単位付き）
   ds-val-row 内で使用: <input class="ds-input-num-underline"> + <span class="ds-val-unit">万円</span>
══════════════════════════════════════════ */
.ds-input-num-underline {
  font-family: 'Roboto', 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: clamp(1.5rem, 5.5vw, 2rem);
  font-weight: 500;
  color: var(--text-main);
  border: none;
  border-bottom: 2px solid var(--mint-light);
  outline: none;
  background: transparent;
  width: 100px;
  padding: 0 4px 4px;
  transition: border-color 0.25s ease;
  line-height: 1.1;
  -moz-appearance: textfield;
}
.ds-input-num-underline:focus {
  border-bottom-color: var(--accent-deep);
}
.ds-input-num-underline::placeholder {
  font-size: clamp(1rem, 3.5vw, 1.25rem);
}
.ds-input-num-underline::-webkit-outer-spin-button,
.ds-input-num-underline::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.ds-input-stepper { display: flex; align-items: center; gap: 10px; width: 100%; }
.ds-pm-btn {
  width: 28px; height: 28px; border-radius: 50%;
  background: transparent;
  color: var(--accent-deep);
  border: 1.5px solid var(--accent);
  cursor: pointer; font-size: 1rem; font-weight: 600;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(74,140,111,0.12);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
  user-select: none; line-height: 1;
}
.ds-pm-btn:hover {
  background: var(--mint-pale);
  border-color: var(--accent-deep);
  box-shadow: 0 1px 4px rgba(74,140,111,0.12);
  transform: none;
}
.ds-pm-btn:active { transform: scale(0.9); }

/* ピル+縦線のラッパー */
.ds-stepper-wrap {
  flex: 1; min-width: 0;
  position: relative;
}
/* ピルの高さ分の余白。padding-bottom でスライダーバーと±ボタンの上下中央揃え */
.ds-stepper-wrap-inner {
  position: relative;
  padding-top: 38px;
  padding-bottom: 38px;
}
/* B1フローティングピル */
.ds-stepper-pill {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ds-stepper-pill-label {
  background: #fff;
  color: var(--accent-deep);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
  border: 1.5px solid var(--mint-light);
  line-height: 1.4;
}
.ds-stepper-pill-line {
  width: 1.5px;
  height: 4px;
  background: var(--mint-light);
  flex-shrink: 0;
}
/* シマーオーバーレイ（ds-progressと同じ） */
.ds-stepper-shimmer {
  pointer-events: none;
  position: absolute;
  top: 38px;
  left: 0;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  overflow: hidden;
  /* transition なし：thumb と fill を完全同期させるため */
}
.ds-stepper-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45), transparent);
  animation: barShimmer 2s ease-in-out infinite;
}

/* ピル無しバージョン（.ds-stepper-wrap--no-pill を付与） */
.ds-stepper-wrap--no-pill .ds-stepper-shimmer {
  top: 50%;
  transform: translateY(-50%);
}

/* サム：白抜き＋深緑リング */
.ds-stepper-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  display: block;
  position: relative;
  z-index: 1;
  background: linear-gradient(
    to right,
    transparent 0%,
    transparent var(--pct, 0%),
    var(--mint-light) var(--pct, 0%),
    var(--mint-light) 100%
  );
}
.ds-stepper-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--accent-deep);
  box-shadow: 0 1px 6px rgba(74, 140, 111, 0.18);
  transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1);
  cursor: grab;
}
.ds-stepper-range::-webkit-slider-thumb:hover { transform: scale(1.2); }
.ds-stepper-range::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--accent-deep);
  box-shadow: 0 1px 6px rgba(74, 140, 111, 0.18);
  cursor: grab;
}

/* ══════════════════════════════════════════
   ② ds-warning-inline
   オレンジ系インライン警告ボックス
══════════════════════════════════════════ */
.ds-warning-inline {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 10px 14px;
  background: rgba(224,122,58,0.08);
  border-radius: 10px;
  font-size: 12px; color: var(--warn-color);
  line-height: 1.7; letter-spacing: 0.04em;
}
.ds-warning-inline .wi-icon { flex-shrink: 0; font-size: 15px; margin-top: 1px; }

/* ══════════════════════════════════════════
   ③ ds-select-underline
   アンダーラインスタイルのセレクトボックス
══════════════════════════════════════════ */
.ds-select-row { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.ds-select-underline {
  font-size: clamp(1.4rem, 5vw, 1.8rem); font-weight: 500;
  color: var(--text-main);
  font-family: 'Roboto', 'Hiragino Kaku Gothic ProN', sans-serif;
  border: none; border-bottom: 2px solid var(--mint-light);
  background: transparent; outline: none; cursor: pointer;
  padding: 0 4px 4px; -webkit-appearance: none; appearance: none;
  transition: border-color .25s ease; line-height: 1.1;
}
.ds-select-underline:focus { border-bottom-color: var(--accent-deep); }
.ds-select-unit { font-size: 0.95rem; color: var(--sub-text); font-weight: 500; }

/* ══════════════════════════════════════════
   ④ ds-summary-grid / ds-stat-card
   KPI・サマリーグリッドレイアウト
══════════════════════════════════════════ */
.ds-summary-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
@media (min-width: 480px) {
  .ds-summary-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
}
@media (max-width: 479px) {
  .ds-summary-grid .ds-stat-card:last-child { grid-column: 1 / -1; }
}
.ds-stat-card {
  background: var(--mint-pale); border-radius: 16px;
  padding: clamp(14px, 3vw, 20px) clamp(10px, 2vw, 16px) clamp(12px, 2.5vw, 18px);
  text-align: center; border: 1.5px solid var(--mint-light);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ds-stat-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--shadow); }
.ds-stat-card.highlight {
  background: linear-gradient(135deg, #f0faf6, #e8f5f1);
  border-color: var(--accent); box-shadow: 0 4px 20px rgba(74,140,111,0.1);
}
.ds-stat-label {
  font-size: clamp(0.72rem, 2.2vw, 0.85rem); color: var(--sub-text);
  font-weight: 600; margin-bottom: clamp(6px, 1.8vw, 10px); line-height: 1.4; letter-spacing: 0.04em;
}
.ds-stat-value { font-family: 'Roboto', sans-serif; line-height: 1.1; }
.ds-stat-num {
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 500; color: var(--accent-deep);
}
.ds-stat-unit { font-size: clamp(0.85rem, 2.8vw, 1.1rem); font-weight: 400; color: var(--accent-deep); margin-left: 3px; }
.ds-stat-detail { font-size: clamp(0.72rem, 2.3vw, 0.88rem); color: var(--sub-text); font-weight: 500; margin-top: 8px; }
.ds-stat-detail-num {
  font-family: 'Roboto', sans-serif; font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 500; color: var(--accent-deep);
}
.ds-stat-detail-unit {
  font-size: clamp(0.75rem, 2.5vw, 0.95rem); font-weight: 400;
  color: var(--accent-deep); margin-left: 1px; margin-right: 2px;
  font-family: 'Roboto', 'Hiragino Kaku Gothic ProN', sans-serif; vertical-align: middle;
}

/* ══════════════════════════════════════════
   ⑤ ds-chip-scroll / ds-chip
   横スクロール可能なプリセットチップ群
══════════════════════════════════════════ */
.ds-chip-scroll {
  display: flex; gap: 6px; flex-wrap: nowrap;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; min-width: 0; padding: 4px;
}
/* ds-val-row 内では残スペースを埋めて右端に寄せる */
.ds-val-row .ds-chip-scroll { flex: 1 1 0; margin-left: auto; }
.ds-chip-scroll::-webkit-scrollbar { display: none; }
.ds-chip {
  padding: 5px 14px;
  border: 1.5px solid var(--mint-light); border-radius: 20px;
  font-size: clamp(0.7rem, 2.2vw, 0.78rem); font-weight: 500;
  font-family: inherit; color: var(--sub-text); background: transparent;
  cursor: pointer; transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  letter-spacing: 0.04em; line-height: 1.4; white-space: nowrap; flex-shrink: 0;
}
.ds-chip:hover {
  border-color: var(--accent-deep); color: var(--accent-deep);
  background: var(--mint-pale); transform: scale(1.05);
}
.ds-chip:active { transform: scale(0.95); }
.ds-chip.active {
  background: var(--accent-deep); border-color: var(--accent-deep);
  color: #fff; box-shadow: 0 2px 10px rgba(74,140,111,0.35);
}

/* ══════════════════════════════════════════
   ⑥ ds-sim-chart
   積立シミュレーション棒グラフ
══════════════════════════════════════════ */
.ds-chart-legend { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; align-items: center; }
.ds-chart-li { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--sub-text); font-weight: 500; }
.ds-chart-ld { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; }
.ds-chart-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 12px; }
.ds-chart-note { font-size: 11px; color: var(--sub-text); text-align: right; margin-top: 8px; letter-spacing: 0.04em; }
.ds-chart-tooltip {
  position: fixed; background: #2c3a35; color: #fff;
  border-radius: 14px; padding: 12px 16px;
  font-size: 12px; pointer-events: none;
  opacity: 0; transition: opacity .15s; z-index: 9999;
  min-width: 190px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.22), 0 2px 8px rgba(74,140,111,0.2);
  line-height: 1.8; border: 1px solid rgba(168,213,186,0.2);
}
.ds-chart-tooltip.show { opacity: 1; }
.ds-chart-tooltip .tt-year  { font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 3px; }
.ds-chart-tooltip .tt-total { font-size: 14px; font-weight: 500; font-family: 'Roboto', sans-serif; margin-bottom: 2px; }
.ds-chart-tooltip .tt-row   { display: flex; align-items: center; gap: 8px; }
.ds-chart-tooltip .tt-dot   { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.ds-chart-tooltip .tt-sep   { border-top: 1px solid rgba(255,255,255,0.12); margin: 4px 0; }

/* ══════════════════════════════════════════
   back-to-index
   マネーツール一覧へ戻るボタン（各シミュレーター下部）
══════════════════════════════════════════ */
.back-to-index { margin-top: 24px; text-align: center; }
.back-to-index a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px;
  background: var(--mint-pale); border: 1px solid var(--mint-light);
  border-radius: 12px; color: var(--accent-deep);
  text-decoration: none; font-size: 14px; font-weight: 500;
  transition: background 0.2s, border-color 0.2s;
}
.back-to-index a:hover { background: #fff; border-color: var(--accent); }

/* ══════════════════════════════════════════
   ds-hero-result
   手取りヒーローカード（グラデーション背景）
══════════════════════════════════════════ */
.ds-hero-result {
  background: linear-gradient(135deg, #5aaa8e 0%, #6ec4a8 100%);
  border-radius: 20px;
  padding: 24px 24px 20px;
  color: #fff;
  box-shadow: 0 4px 22px rgba(74,140,111,0.22);
  margin-bottom: 12px;
  text-align: center;
}
.ds-hero-result .hero-eyebrow {
  font-size: clamp(0.72rem, 2.2vw, 0.85rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0.8;
  margin-bottom: 4px;
}
.ds-hero-result .hero-amount {
  font-family: 'Roboto', sans-serif;
  font-size: clamp(2.2rem, 7vw, 3rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}
.ds-hero-result .hero-amount-unit {
  font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: clamp(1rem, 3vw, 1.3rem);
  font-weight: 400;
}
.ds-hero-result .hero-sub {
  margin-top: 14px;
  background: rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ds-hero-result .hero-sub-value {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
}

/* ══════════════════════════════════════════
   ds-calc-basis
   計算の根拠（番号付きステップ＋要約式）
══════════════════════════════════════════ */
.ds-calc-basis {
  background: var(--mint-pale);
  border: 1.5px dashed var(--mint-light);
  border-radius: 16px;
  padding: 18px 20px;
  margin-top: 4px;
}
.ds-calc-basis-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-deep);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.ds-calc-step {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 7px;
  font-size: 12px;
  color: var(--text-main);
  line-height: 1.6;
}
.ds-calc-step-num {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.ds-calc-step .val {
  font-weight: 500;
  color: var(--accent-deep);
}
.ds-calc-eq {
  font-size: 13px;
  color: var(--text-main);
  background: var(--card-bg);
  border: 1.5px solid var(--mint-light);
  border-radius: 10px;
  padding: 10px 14px;
  margin-top: 10px;
  line-height: 1.8;
}
.ds-calc-eq .em {
  color: var(--accent-deep);
  font-weight: 500;
}

/* ══════════════════════════════════════════
   ds-breakdown-accordion
   社会保険料・税金の内訳アコーディオン
══════════════════════════════════════════ */
.ds-breakdown-block {
  background: var(--card-bg);
  border: 1.5px solid var(--mint-light);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 10px;
}
.ds-breakdown-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: var(--card-bg);
  font-size: clamp(0.82rem, 2.4vw, 0.92rem);
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1.5px solid var(--mint-light);
}
.ds-accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 18px;
  background: none;
  border: none;
  border-bottom: 1px solid var(--mint-light);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}
.ds-accordion-trigger:hover {
  background: var(--mint-pale);
}
.ds-accordion-trigger .acc-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(0.75rem, 2.2vw, 0.85rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--sub-text);
  text-transform: uppercase;
}
.ds-accordion-trigger .acc-toggle-label {
  font-size: 10px;
  background: var(--mint-pale);
  border: 1px solid var(--mint-light);
  color: var(--accent-deep);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  transition: background 0.2s;
}
.ds-accordion-trigger[aria-expanded="true"] .acc-toggle-label {
  background: var(--mint-light);
}
.ds-accordion-trigger .acc-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  font-family: 'Roboto', sans-serif;
  font-size: clamp(0.85rem, 2.5vw, 0.95rem);
  font-weight: 500;
  color: var(--sub-text);
  text-align: right;
}
.acc-resident-hint {
  font-size: 10px;
  color: var(--warn-color);
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0.85;
}
.ds-accordion-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.45s cubic-bezier(0.33, 1, 0.68, 1);
  background: #fafcfb;
}
.ds-accordion-body.open {
  max-height: 400px;
}
.ds-accordion-body .breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 18px;
  font-size: clamp(0.78rem, 2.3vw, 0.88rem);
  border-bottom: 1px solid var(--mint-light);
}
.ds-accordion-body .breakdown-row .breakdown-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--sub-text);
}
.ds-accordion-body .breakdown-row .breakdown-label::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}
.ds-accordion-body .breakdown-row.color-health .breakdown-label::before { background: var(--data-blue-2); }
.ds-accordion-body .breakdown-row.color-care .breakdown-label::before { background: var(--data-blue-2); }
.ds-accordion-body .breakdown-row.color-pension .breakdown-label::before { background: var(--data-blue-1); }
.ds-accordion-body .breakdown-row.color-employ .breakdown-label::before { background: var(--data-blue-3); }
.ds-accordion-body .breakdown-row.color-income .breakdown-label::before { background: var(--data-orange); }
.ds-accordion-body .breakdown-row.color-resident .breakdown-label::before { background: var(--data-amber); }
.ds-accordion-body .breakdown-row .breakdown-value {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  color: var(--sub-text);
  text-align: right;
}
.ds-accordion-body .breakdown-row:last-child {
  border-bottom: none;
}
.ds-breakdown-subtotal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 18px;
  font-size: clamp(0.8rem, 2.3vw, 0.9rem);
  font-weight: 600;
  color: var(--sub-text);
  border-top: 1px solid var(--mint-light);
}
.ds-breakdown-takehome {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  font-size: clamp(0.88rem, 2.5vw, 1rem);
  font-weight: 700;
  color: var(--text-main);
}
.ds-breakdown-takehome .takehome-value {
  font-family: 'Roboto', sans-serif;
  font-size: clamp(1rem, 3vw, 1.2rem);
  font-weight: 500;
  color: var(--accent-deep);
}

/* ══════════════════════════════════════════
   ds-donut-summary
   ドーナツグラフ＋内訳を横並びにしたカード
══════════════════════════════════════════ */
.ds-donut-summary {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 20px;
  background: var(--mint-pale);
  border: 1.5px solid var(--mint-light);
  border-radius: 16px;
}
.ds-donut-summary .donut-canvas-wrap,
.ds-donut-summary .donut-svg-wrap {
  flex-shrink: 0;
  width: clamp(90px, 22vw, 120px);
  aspect-ratio: 1;
  position: relative;
}
.ds-donut-summary .donut-svg-wrap svg {
  display: block;
  width: 100%;
  height: 100%;
}
.ds-donut-summary .donut-legend {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ds-donut-summary .donut-legend-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--placeholder);
  margin-bottom: 4px;
  text-transform: uppercase;
}
.ds-donut-legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: clamp(0.72rem, 2vw, 0.82rem);
}
.ds-donut-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}
.ds-donut-legend-name {
  flex: 1;
  color: var(--sub-text);
}
.ds-donut-legend-val {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  color: var(--text-main);
  text-align: right;
}
.ds-donut-legend-pct {
  font-size: 10px;
  color: var(--placeholder);
  margin-left: 3px;
}

/* ══════════════════════════════════════════
   ds-resident-savings
   住民税取り置きブロック（翌年払い注意）
   住民税を計算から外すON時に表示
══════════════════════════════════════════ */
.ds-resident-savings {
  display: none;                          /* JSでshow/hide */
  background: rgba(224,122,58,0.07);
  border: 1.5px solid rgba(224,122,58,0.25);
  border-radius: 16px;
  padding: 16px 18px;
  animation: fadeInUp 0.3s cubic-bezier(0.22,0.61,0.36,1) both;
}
.ds-resident-savings.visible {
  display: block;
}

/* ヘッダー行 */
.drs-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.drs-header-icon { font-size: 16px; }
.drs-header-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--warn-color);
  letter-spacing: 0.04em;
  flex: 1;
}
.drs-badge {
  font-size: 10px;
  background: rgba(224,122,58,0.12);
  color: var(--warn-color);
  padding: 2px 9px;
  border-radius: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* 月額→年額カード行 */
.drs-amounts {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 14px;
}
.drs-amount-card {
  flex: 1;
  background: rgba(255,255,255,0.7);
  border-radius: 12px;
  padding: 11px 13px;
  border: 1px solid rgba(224,122,58,0.22);
}
.drs-amount-card.annual {
  background: rgba(224,122,58,0.1);
  border-color: rgba(224,122,58,0.3);
  border-width: 1.5px;
}
.drs-amount-label {
  font-size: 10px;
  color: var(--warn-color);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.drs-amount-value {
  font-family: 'Roboto', sans-serif;
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.1;
}
.drs-amount-card.annual .drs-amount-value {
  font-weight: 500;
  color: var(--warn-color);
}
.drs-amount-unit {
  font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: 12px;
  color: var(--sub-text);
  margin-left: 2px;
}
.drs-amount-card.annual .drs-amount-unit {
  color: var(--warn-color);
  opacity: 0.8;
}
.drs-arrow {
  padding: 0 10px;
  font-size: 16px;
  color: rgba(224,122,58,0.35);
  flex-shrink: 0;
  user-select: none;
}

/* プログレスバー */
.drs-bar-wrap {
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.drs-bar-track {
  flex: 1;
  min-width: 0;
}
.drs-bar-bg {
  height: 14px;
  background: rgba(224,122,58,0.12);
  border-radius: 7px;
  overflow: hidden;
}
.drs-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(224,122,58,0.55), var(--warn-color));
  border-radius: 7px;
  transition: width 0.7s cubic-bezier(0.22,0.61,0.36,1);
  position: relative;
  overflow: hidden;
}
.drs-bar-fill::after {
  content: '';
  position: absolute; top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  animation: barShimmer 2s ease-in-out infinite;
}
.drs-bar-pct {
  font-size: 11px;
  color: var(--warn-color);
  font-weight: 600;
  opacity: 0.9;
  white-space: nowrap;
  flex-shrink: 0;
}

/* 注記 */
.drs-note {
  font-size: 11px;
  color: var(--sub-text);
  line-height: 1.75;
  border-top: 1px dashed rgba(224,122,58,0.25);
  padding-top: 10px;
  margin-top: 8px;
  letter-spacing: 0.03em;
}

/* ══════════════════════════════════════════
   ds-explain-panel
   用語・考え方の短い説明（ds-resident-savings と同系の枠・Mint系）
   インフレ実質額の説明などに使用
══════════════════════════════════════════ */
.ds-explain-panel {
  display: block;
  background: rgba(168,213,186,0.12);
  border: 1.5px solid rgba(74,140,111,0.22);
  border-radius: 16px;
  padding: 18px 20px 20px;
  margin-top: 16px;
  animation: fadeInUp 0.35s cubic-bezier(0.22,0.61,0.36,1) both;
}
.ds-explain-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.ds-explain-head-icon {
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}
.ds-explain-head-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-deep);
  letter-spacing: 0.04em;
  flex: 1;
  line-height: 1.35;
}
.ds-explain-badge {
  font-size: 10px;
  background: rgba(74,140,111,0.12);
  color: var(--accent-deep);
  padding: 2px 9px;
  border-radius: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
  flex-shrink: 0;
}
.ds-explain-body {
  font-size: clamp(0.78rem, 2.2vw, 0.88rem);
  color: var(--text-main);
  line-height: 1.55;
  letter-spacing: 0.02em;
}
.ds-explain-body p {
  margin: 0;
}
.ds-explain-body p + p {
  margin-top: 7px;
}
.ds-explain-body strong {
  color: var(--accent-deep);
  font-weight: 600;
}
.ds-explain-note {
  font-size: 11px;
  color: var(--sub-text);
  line-height: 1.65;
  border-top: 1px dashed rgba(74,140,111,0.3);
  padding-top: 9px;
  margin-top: 10px;
  letter-spacing: 0.03em;
}

/* ══════════════════════════════════════════
   ds-period-strip
   内訳ブロック上部 月間／年間 切り替えストリップ
══════════════════════════════════════════ */
.ds-period-strip {
  display: flex;
  border-bottom: 1.5px solid var(--mint-light);
  overflow: hidden;
  border-radius: 16px 16px 0 0;
  background: var(--mint-pale);
}
.ds-period-strip-btn {
  flex: 1;
  padding: 10px 0;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  position: relative;
  background: transparent;
  color: var(--sub-text);
  transition: color 0.2s ease;
}
.ds-period-strip-btn.active {
  color: var(--accent-deep);
}
/* アクティブのアンダーライン */
.ds-period-strip-btn::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--accent-deep);
  transition: width 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ds-period-strip-btn.active::after {
  width: 40px;
}
/* ボタン間の区切り線 */
.ds-period-strip-btn:not(:last-child) {
  border-right: 1px solid var(--mint-light);
}

/* 金額切り替えアニメーション */
.bd-amount {
  transition: opacity 0.15s ease, transform 0.15s ease;
  display: inline-block;
}
.ds-breakdown-block.period-switching .bd-amount {
  opacity: 0;
  transform: translateY(3px);
}

/* タブ切り替え: まとめてフェードイン */
@keyframes breakdownFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.ds-breakdown-block.period-switching .ds-breakdown-single > *,
.ds-breakdown-block.period-switching .ds-breakdown-stack-item > * {
  opacity: 0;
  animation: breakdownFadeIn 0.4s ease forwards;
}
.ds-breakdown-block.period-switching > *:not(.ds-period-strip):not(.ds-breakdown-single):not(.ds-breakdown-monthly-stack) {
  opacity: 0;
  animation: breakdownFadeIn 0.4s ease forwards;
}
.ds-breakdown-block.period-switching .ds-breakdown-single .bd-amount,
.ds-breakdown-block.period-switching .ds-breakdown-stack-item .bd-amount,
.ds-breakdown-block.period-switching .bd-amount {
  opacity: inherit;
  transform: inherit;
  transition: none;
}

/* ══════════════════════════════════════════
   ds-work-fields
   稼働条件（時間/日・日数/月・交通費）横並びグリッド
══════════════════════════════════════════ */
.ds-work-fields {
  display: grid;
  grid-template-columns: 1fr 0.4fr 1fr 0.4fr 1.8fr 0.4fr;
  align-items: end;
  column-gap: 12px;
  row-gap: 8px;
}
.ds-work-fields .ds-input-underline {
  font-family: 'Roboto', 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: clamp(1.1rem, 3.5vw, 1.4rem);
  font-weight: 500;
  width: 100%;
  border: none;
  border-bottom: 2px solid var(--mint-light);
  background: transparent;
  padding: 4px 0 6px;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s ease;
  -moz-appearance: textfield;
}
.ds-work-fields .ds-input-underline:focus {
  border-bottom-color: var(--accent-deep);
}
.ds-work-fields .ds-input-underline::-webkit-outer-spin-button,
.ds-work-fields .ds-input-underline::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.ds-work-fields .field-label {
  font-size: clamp(0.68rem, 2vw, 0.76rem);
  font-weight: 600;
  color: var(--sub-text);
  white-space: nowrap;
}
.ds-work-fields .field-unit {
  font-size: clamp(0.82rem, 2.4vw, 0.95rem);
  color: var(--sub-text);
  white-space: nowrap;
}

@media (max-width: 768px) {
  /* ── 稼働条件グリッド：幅を絞り交通費のみ広く ── */
  .ds-work-fields {
    grid-template-columns: 44px auto 44px auto 80px auto;
    align-items: end;
    column-gap: 6px;
    row-gap: 0;
  }

  /* ── 稼働条件の入力欄フォントサイズを1段階アップ ── */
  .ds-work-fields .ds-input-underline {
    font-size: 22px;
  }
}