/* ============================================================
   動力電気代 無料診断LP  /  style.css
   基調色：白・ネイビー・ブルー・ライトブルー・グレー
   アクセント：グリーン（削減）・オレンジ（強調）
   設計：スマホファースト → PCでメディアクエリ拡張
   ============================================================ */

:root {
  --navy:        #0f2c54;
  --navy-deep:   #0a1f3d;
  --blue:        #1f6fe0;
  --blue-dark:   #1558bf;
  --light-blue:  #e8f1fd;
  --light-blue2: #f4f8ff;
  --green:       #1aa179;
  --green-light: #e6f6f0;
  --orange:      #f08a24;
  --orange-light:#fdf1e3;
  --gray-900:    #1c2733;
  --gray-700:    #43505e;
  --gray-500:    #6b7888;
  --gray-300:    #cfd7e1;
  --gray-100:    #eef2f6;
  --bg:          #ffffff;
  --bg-soft:     #f6f9fc;

  --radius:      14px;
  --radius-lg:   20px;
  --shadow-sm:   0 2px 8px rgba(15, 44, 84, .06);
  --shadow:      0 6px 22px rgba(15, 44, 84, .10);
  --shadow-lg:   0 14px 40px rgba(15, 44, 84, .16);
  --container:   1120px;

  --grad-cta:    linear-gradient(135deg, #1f8be0 0%, #1558bf 100%);
  --grad-navy:   linear-gradient(160deg, #123963 0%, #0a1f3d 100%);
  --grad-hero:   linear-gradient(170deg, #f4f8ff 0%, #e8f1fd 60%, #ffffff 100%);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
               "Yu Gothic", Meiryo, system-ui, sans-serif;
  color: var(--gray-900);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ============ アイコン共通（線画SVG） ============ */
.ico {
  width: 1.5rem; height: 1.5rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.container-narrow { max-width: 760px; }

.sp-only { display: inline; }

/* ============ ボタン ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  text-align: center;
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
  line-height: 1.3;
}
.btn-cta {
  background: var(--grad-cta);
  color: #fff;
  padding: 14px 26px;
  font-size: 1rem;
  box-shadow: 0 8px 20px rgba(31, 111, 224, .32);
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(31, 111, 224, .42); }
.btn-cta:active { transform: translateY(0); }
.btn-lg  { padding: 16px 32px; font-size: 1.08rem; }
.btn-xl  { padding: 18px 30px; font-size: 1.15rem; }
.btn-block { display: flex; width: 100%; }
.btn-outline {
  background: #fff;
  color: var(--blue-dark);
  border: 2px solid var(--blue);
  padding: 12px 22px;
}
.btn-outline:hover { background: var(--light-blue); transform: translateY(-1px); }

/* ============ 1. ヘッダー ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 14px;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; }
.brand-icon {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--grad-cta); color: #fff;
}
.brand-icon .ico { width: 18px; height: 18px; fill: #fff; stroke: none; }
.brand-text { font-size: .96rem; color: var(--navy); line-height: 1.2; letter-spacing: .01em; }
.brand-text strong { color: var(--blue); margin-left: 2px; }
.gnav { display: none; gap: 22px; font-size: .92rem; font-weight: 600; color: var(--gray-700); }
.gnav a:hover { color: var(--blue); }
.header-cta { padding: 9px 18px; font-size: .9rem; }

/* ============ 2. ファーストビュー ============ */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--grad-hero);
  padding: 34px 0 44px;
  border-bottom: 1px solid var(--gray-100);
}
.hero-deco {
  position: absolute;
  top: 0; right: 0;
  width: 70%; max-width: 600px; height: 100%;
  pointer-events: none;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; display: grid; gap: 28px; }
.hero-eyebrow {
  display: inline-block;
  color: var(--blue-dark);
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: .82rem;
  font-weight: 700;
  margin: 0 0 14px;
}
.hero-title {
  font-size: 1.72rem;
  line-height: 1.4;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 16px;
  letter-spacing: .01em;
}
.hero-title .hl {
  background: linear-gradient(transparent 62%, rgba(26,161,121,.28) 62%);
  padding: 0 2px;
}
.hero-sub { font-size: 1rem; color: var(--gray-700); margin: 0 0 20px; }

.hero-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0 0 24px;
}
.hero-badges li {
  display: flex; align-items: center; gap: 7px;
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  padding: 8px 15px;
  font-weight: 700;
  font-size: .9rem;
  color: var(--navy);
  box-shadow: var(--shadow-sm);
}
.badge-ico {
  display: inline-grid; place-items: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--green-light); color: var(--green);
}
.badge-ico .ico { width: 15px; height: 15px; }
.hero-cta { margin-bottom: 14px; }
.hero-tel-note {
  margin: 14px 0 0;
  font-size: .85rem;
  color: var(--gray-500);
}
.tel-link {
  font-weight: 800;
  color: var(--navy);
  font-size: 1.12rem;
  border-bottom: 2px dotted var(--gray-300);
  display: inline-flex; align-items: center; gap: 5px;
}
.tel-link.light { color: #fff; border-color: rgba(255,255,255,.4); }
.tel-ico { width: 1.05rem; height: 1.05rem; stroke-width: 2; }
.hero-reassure {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: .9rem; color: var(--gray-700);
  background: var(--green-light);
  border-left: 4px solid var(--green);
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  margin: 8px 0 0;
}
.hero-reassure .ico { width: 1.15rem; height: 1.15rem; color: var(--green); margin-top: 2px; }
.hero-reassure strong { color: var(--green); }

/* 簡易シミュレーターカード */
.hero-sim { padding: 22px; }
.sim-card-title {
  font-size: 1.05rem; margin: 0 0 14px; color: var(--navy);
  display: flex; align-items: center; gap: 8px;
}
.sim-card-title .ico { width: 1.2rem; height: 1.2rem; color: var(--blue); }
.sim-field { display: block; margin-bottom: 14px; }
.sim-field > span { display: block; font-size: .85rem; font-weight: 700; color: var(--gray-700); margin-bottom: 6px; }
.sim-field input {
  width: 100%; padding: 13px 14px;
  border: 2px solid var(--gray-300); border-radius: 10px;
  font-size: 1.1rem; font-weight: 700;
}
.sim-field input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31,111,224,.15); }
.sim-field.big input { font-size: 1.4rem; padding: 16px; }

.sim-result { margin-top: 4px; }
.sim-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 9px 0; border-bottom: 1px dashed var(--gray-300);
  gap: 10px;
}
.sim-label { font-size: .82rem; color: var(--gray-700); }
.sim-value { font-size: 1.25rem; font-weight: 800; color: var(--navy); white-space: nowrap; }
.sim-row.accent .sim-value { color: var(--green); }
.sim-row.accent.strong .sim-value { color: var(--orange); font-size: 1.4rem; }
.sim-rank {
  margin-top: 12px; text-align: center; font-weight: 800;
  padding: 10px; border-radius: 10px; font-size: .92rem;
}
.sim-note { font-size: .72rem; color: var(--gray-500); margin: 14px 0; line-height: 1.6; }

/* ============ セクション共通 ============ */
.section { padding: 52px 0; }
.section-light { background: var(--bg-soft); }
.section-navy  { background: var(--grad-navy); color: #fff; }
.section-title {
  font-size: 1.5rem; font-weight: 800; text-align: center;
  color: var(--navy); margin: 0 0 12px; line-height: 1.45;
}
.section-title.light { color: #fff; }
.section-title::after {
  content: ""; display: block; width: 52px; height: 4px;
  background: var(--grad-cta); border-radius: 2px; margin: 14px auto 0;
}
.section-title.light::after { background: #fff; }
.section-lead { text-align: center; color: var(--gray-700); margin: 0 auto 30px; max-width: 640px; }
.section-navy .section-lead { color: rgba(255,255,255,.85); }

/* ============ グリッド & カード ============ */
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: 1fr; }
.grid-target { grid-template-columns: repeat(2, 1fr); gap: 12px; }

.card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* 3. お悩み */
.problem-card {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 18px; font-weight: 700; color: var(--navy);
  border-radius: var(--radius);
}
.p-ico {
  flex: none; display: inline-grid; place-items: center;
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--light-blue); color: var(--blue-dark);
}
.p-ico .ico { width: 24px; height: 24px; }

/* 4. 対象事業者 */
.target-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 20px 10px; text-align: center;
  font-weight: 700; font-size: .92rem; color: var(--navy);
  border-radius: var(--radius);
}
.t-ico {
  display: inline-grid; place-items: center;
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--light-blue); color: var(--blue-dark);
}
.t-ico .ico { width: 30px; height: 30px; }

/* 5. 安心ポイント */
.reassure-grid { margin-bottom: 18px; }
.reassure-card {
  text-align: center; padding: 26px 18px; border: none;
  background: rgba(255,255,255,.97);
}
.r-ico {
  display: inline-grid; place-items: center;
  width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--grad-cta); color: #fff;
  box-shadow: 0 8px 18px rgba(31,111,224,.3);
}
.r-ico .ico { width: 30px; height: 30px; stroke-width: 2; }
.reassure-card h3 { margin: 0 0 6px; font-size: 1.12rem; color: var(--navy); }
.reassure-card p  { margin: 0; font-size: .88rem; color: var(--gray-700); }
.sub-reassure { gap: 12px; }
.mini-card {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius);
  padding: 14px; text-align: center;
  color: #fff; font-weight: 700; font-size: .9rem;
}
.mini-card .ico { width: 1.1rem; height: 1.1rem; color: #7fe0c0; stroke-width: 2.4; }

/* 6. シミュレーター */
.sim-wrap { max-width: 720px; margin: 0 auto; padding: 28px 22px; }
.sim-grid { display: grid; gap: 14px; margin: 22px 0 18px; }
.sim-stat {
  background: var(--bg-soft);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 18px 16px; text-align: center;
}
.stat-label { display: block; font-size: .82rem; color: var(--gray-700); font-weight: 700; margin-bottom: 8px; }
.stat-num { display: block; font-size: 1.9rem; font-weight: 800; color: var(--navy); letter-spacing: .01em; }
.sim-stat.accent-green  { background: var(--green-light); border-color: #bfe8da; }
.sim-stat.accent-green .stat-num { color: var(--green); }
.sim-stat.accent-orange { background: var(--orange-light); border-color: #f6d6ad; }
.sim-stat.accent-orange .stat-num { color: var(--orange); }

.sim-rank-box, .form-rank {
  display: flex; align-items: center; gap: 14px;
  border-radius: var(--radius); padding: 16px 18px; margin: 0 0 6px;
  border: 1px solid var(--gray-100); background: var(--bg-soft);
}
.rank-badge, .form-rank-badge {
  flex: none; display: grid; place-items: center;
  width: 56px; height: 56px; border-radius: 14px;
  font-size: 1.7rem; font-weight: 800; color: #fff;
  background: var(--gray-500);
}
.rank-advice, .form-rank-advice { margin: 0; font-size: .9rem; font-weight: 600; color: var(--gray-900); }

/* ランク別カラー（JSで rank-S / rank-A / rank-B / rank-C を付与） */
.rank-S .rank-badge, .rank-S.form-rank .form-rank-badge { background: linear-gradient(135deg,#f0982a,#e0671b); }
.rank-A .rank-badge, .rank-A.form-rank .form-rank-badge { background: linear-gradient(135deg,#1f8be0,#1558bf); }
.rank-B .rank-badge, .rank-B.form-rank .form-rank-badge { background: linear-gradient(135deg,#1aa179,#14805f); }
.rank-C .rank-badge, .rank-C.form-rank .form-rank-badge { background: var(--gray-500); }
.rank-S { border-color:#f6d6ad; background:var(--orange-light); }
.rank-A { border-color:#bcd8f7; background:var(--light-blue); }
.rank-B { border-color:#bfe8da; background:var(--green-light); }

/* 6.5 削減イメージ（概算） */
.savings-wrap { display: grid; gap: 18px; }
.chart-card, .table-card { padding: 22px 20px; }
.chart-caption { text-align: center; font-weight: 700; color: var(--navy); margin: 0 0 6px; font-size: .95rem; }
.bar-chart { width: 100%; height: auto; display: block; }
.bar-axis { stroke: var(--gray-300); stroke-width: 1.5; }
.bar-now  { fill: var(--navy); }
.bar-cut15 { fill: var(--green); }
.bar-cut20 { fill: #14805f; }
.bar-val { font-size: 13px; font-weight: 800; fill: var(--gray-900); text-anchor: middle; }
.bar-lab { font-size: 13px; font-weight: 700; fill: var(--gray-700); text-anchor: middle; }
.bar-save { font-size: 13px; font-weight: 800; fill: var(--orange); text-anchor: middle; }
.chart-note { font-size: .72rem; color: var(--gray-500); margin: 12px 0 0; text-align: center; }

.savings-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.savings-table th, .savings-table td { padding: 12px 8px; text-align: center; border-bottom: 1px solid var(--gray-100); }
.savings-table thead th {
  background: var(--navy); color: #fff; font-weight: 700; font-size: .82rem;
  border-bottom: none;
}
.savings-table thead th:first-child { border-radius: 8px 0 0 0; }
.savings-table thead th:last-child  { border-radius: 0 8px 0 0; }
.savings-table th.th-green  { background: var(--green); }
.savings-table th.th-orange { background: var(--orange); }
.savings-table tbody td:first-child { font-weight: 800; color: var(--navy); }
.savings-table td.td-green  { color: var(--green); font-weight: 800; }
.savings-table td.td-orange { color: var(--orange); font-weight: 800; }
.savings-table tbody tr:nth-child(even) { background: var(--bg-soft); }
.table-card .btn { margin-top: 16px; }

/* 7. 診断の流れ */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; gap: 14px; }
.step-card {
  position: relative;
  background: #fff; border: 1px solid var(--gray-100);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 18px 18px 18px 64px;
}
.step-no {
  position: absolute; left: 16px; top: 18px;
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--grad-cta); color: #fff; font-weight: 800; font-size: 1rem;
}
.step-ico { display: inline-flex; color: var(--blue); }
.step-ico .ico { width: 1.3rem; height: 1.3rem; }
.step-card h3 { margin: 4px 0 4px; font-size: 1.02rem; color: var(--navy); display: inline-block; margin-left: 6px; }
.step-card p  { margin: 0; font-size: .86rem; color: var(--gray-700); }

/* 8. フォーム */
.section-form { background: linear-gradient(180deg, var(--light-blue2) 0%, var(--light-blue) 100%); }
.form-card { padding: 26px 20px; border: 2px solid #d6e6fb; }
.form-title {
  font-size: 1.4rem; text-align: center; color: var(--navy); margin: 0 0 10px; font-weight: 800;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.form-title .ico { width: 1.4rem; height: 1.4rem; color: var(--blue); }
.form-desc { text-align: center; font-size: .9rem; color: var(--gray-700); margin: 0 0 22px; }

.form-grid { display: grid; gap: 14px; grid-template-columns: 1fr; }
.field { display: block; }
.field.full { grid-column: 1 / -1; }
.field-label { display: block; font-size: .85rem; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
.field.required > .field-label::after {
  content: "必須";
  display: inline-block; margin-left: 8px; font-size: .68rem;
  background: var(--orange); color: #fff; border-radius: 4px;
  padding: 1px 7px; vertical-align: middle; font-weight: 700;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px;
  border: 1.5px solid var(--gray-300); border-radius: 10px;
  font-size: 1rem; font-family: inherit; background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31,111,224,.15);
}
.field textarea { resize: vertical; }

/* 明細アップロード（最重要） */
.upload-field {
  margin: 18px 0;
  background: var(--green-light);
  border: 2px dashed var(--green);
  border-radius: var(--radius);
  padding: 18px;
}
.upload-label { display: flex; align-items: center; gap: 8px; font-size: 1rem; color: var(--navy); }
.upload-ico { display: inline-flex; color: var(--green); }
.upload-ico .ico { width: 1.25rem; height: 1.25rem; stroke-width: 2; }
.upload-label .must {
  margin-left: auto; font-style: normal; font-size: .68rem;
  background: var(--orange); color: #fff; border-radius: 4px; padding: 2px 8px; font-weight: 700;
  white-space: nowrap;
}
.upload-label .must.recommend { background: var(--green); }
.upload-hint { font-size: .8rem; color: var(--gray-700); margin: 8px 0 12px; }
.upload-field input[type="file"] {
  width: 100%; padding: 12px; background: #fff;
  border: 1.5px solid var(--green); border-radius: 10px; font-size: .9rem;
}
.upload-state { margin: 10px 0 0; font-size: .82rem; font-weight: 700; color: var(--green); }

.optional-block {
  margin: 18px 0; border: 1px solid var(--gray-300);
  border-radius: var(--radius); background: var(--bg-soft); padding: 0 16px;
}
.optional-block summary {
  cursor: pointer; font-weight: 700; color: var(--gray-700);
  padding: 14px 0; font-size: .9rem; list-style: none;
}
.optional-block summary::before { content: "＋ "; color: var(--blue); }
.optional-block[open] summary::before { content: "－ "; }
.optional-block[open] { padding-bottom: 16px; }

.form-privacy {
  font-size: .82rem; color: var(--gray-700);
  background: var(--light-blue); border-radius: 10px; padding: 12px 14px; margin: 18px 0;
}
.form-privacy strong { color: var(--blue-dark); }
.form-tel-note { text-align: center; font-size: .85rem; color: var(--gray-500); margin: 14px 0 0; }
.form-tel-note .tel-link { font-size: 1rem; }

.form-success {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--green-light); border: 1.5px solid var(--green);
  border-radius: var(--radius); padding: 20px; margin-bottom: 20px;
}
.success-ico {
  flex: none; display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--green); color: #fff;
}
.success-ico .ico { width: 20px; height: 20px; stroke-width: 2.6; }
.form-success p { margin: 0; font-size: .92rem; color: var(--gray-900); }

/* 9. FAQ */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: #fff; border: 1px solid var(--gray-100);
  border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden;
}
.faq-item summary {
  cursor: pointer; list-style: none; padding: 16px 46px 16px 18px;
  font-weight: 700; color: var(--navy); position: relative; font-size: .96rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "Q"; color: var(--blue); font-weight: 800; margin-right: 8px; }
.faq-item summary::after {
  content: "＋"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  color: var(--blue); font-weight: 800; transition: transform .2s;
}
.faq-item[open] summary::after { content: "－"; }
.faq-body { padding: 0 18px 18px; color: var(--gray-700); font-size: .9rem; }
.faq-body::before { content: "A "; color: var(--green); font-weight: 800; }

/* 10. 最終CTA */
.section-final-cta { background: var(--grad-navy); color: #fff; text-align: center; padding: 56px 0; }
.final-title { font-size: 1.45rem; font-weight: 800; margin: 0 0 24px; line-height: 1.5; }
.final-btn { box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.final-sub { margin: 18px 0 0; font-size: .88rem; color: rgba(255,255,255,.85); }

/* 11. フッター */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,.8); padding: 34px 0 90px; text-align: center; }
.footer-company { font-size: 1.05rem; font-weight: 800; color: #fff; margin: 0 0 4px; }
.footer-agent   { font-size: .88rem; margin: 0 0 10px; }
.footer-contact { font-size: .9rem; margin: 0 0 14px; }
.footer-note    { font-size: .76rem; color: rgba(255,255,255,.55); margin: 0; }

/* ============ スマホ下部固定CTA ============ */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  display: flex; gap: 8px; padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-top: 1px solid var(--gray-100); box-shadow: 0 -4px 18px rgba(15,44,84,.12);
}
.sticky-btn {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  border-radius: 12px; font-weight: 800; padding: 14px 0; font-size: 1rem;
  transition: transform .12s;
}
.sticky-btn .ico { width: 1.15rem; height: 1.15rem; }
.sticky-btn:active { transform: scale(.97); }
.sticky-form { flex: 2; background: var(--grad-cta); color: #fff; box-shadow: 0 6px 16px rgba(31,111,224,.4); }
.sticky-tel  { flex: 1; background: #fff; color: var(--navy); border: 1.5px solid var(--gray-300); }

/* ============ レスポンシブ（タブレット〜PC） ============ */
@media (min-width: 720px) {
  body { font-size: 16.5px; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-target { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .savings-wrap { grid-template-columns: 1fr 1fr; align-items: start; gap: 22px; }
  .hero-title { font-size: 2.15rem; }
  .section-title { font-size: 1.85rem; }
  .steps { grid-template-columns: repeat(5, 1fr); }
  .step-card { padding: 44px 16px 18px; text-align: center; }
  .step-no { left: 50%; transform: translateX(-50%); top: 14px; }
  .step-card h3 { display: block; margin-left: 0; }
}

@media (min-width: 980px) {
  .gnav { display: flex; }
  .hero { padding: 56px 0 64px; }
  .hero-inner { grid-template-columns: 1.15fr .85fr; align-items: center; gap: 44px; }
  .hero-title { font-size: 2.5rem; }
  .sticky-cta { display: none; }      /* PCでは下部固定CTA非表示 */
  .site-footer { padding-bottom: 40px; }
  .sp-only { display: none; }
  .section { padding: 72px 0; }
}

@media (min-width: 1120px) {
  .hero-title { font-size: 2.7rem; }
}

/* アニメーション過剰を避ける配慮 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .sticky-btn { transition: none; }
}