:root {
  --bg: #faf6ef;
  --bg-card: #ffffff;
  --ink: #2f2a26;
  --ink-sub: #635a4f;
  --navy: #1f3a5c;
  --navy-dark: #16293f;
  --gold: #c9a227;
  --gold-soft: #f3e6bf;
  --line: #e8e0d2;
  --vermilion: #b7410e;
  --vermilion-soft: #f7e2d6;
  --slate: #4a4a4a;
  --slate-soft: #e6e6e6;
  --shadow: 0 10px 28px rgba(31, 58, 92, 0.10);
  --shadow-soft: 0 4px 14px rgba(31, 58, 92, 0.08);
  --radius: 16px;
  --check-bg: #eef3f8;
  --gold-text: #7a5c0e;
  --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23756b60' stroke-width='2' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E");
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1a17;
    --bg-card: #262320;
    --ink: #ede7de;
    --ink-sub: #b3a898;
    --navy: #4a7aab;
    --navy-dark: #223c54;
    --gold: #d9b64f;
    --gold-soft: #4a3f1f;
    --line: #3d372e;
    --vermilion: #d9754a;
    --vermilion-soft: #4a2a1c;
    --slate: #b0b0b0;
    --slate-soft: #3a3a3a;
    --shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
    --shadow-soft: 0 4px 14px rgba(0, 0, 0, 0.35);
    --check-bg: #23384a;
    --gold-text: #d9b64f;
    --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23b3a898' stroke-width='2' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E");
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100vh;
}

body {
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

h1, h2, h3, .heading-font {
  font-family: "Zen Old Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

a { color: var(--navy); }

/* ---- フォーカス表示(キーボード操作時にどの要素にいるか明示する) ---- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}
.radio-group label:has(input:focus-visible),
.tool-card:has(:focus-visible) {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- ヘッダー ---- */
.site-header {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding: 40px 0 32px;
  text-align: center;
}
.site-header .wrap { max-width: 720px; }
.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  z-index: 1000;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.86rem;
  text-decoration: none;
}
.skip-link:focus {
  top: 8px;
}
.site-logo {
  display: block;
  font-size: 1.9rem;
  margin: 0 0 8px;
  color: #fff;
  text-decoration: none;
}
a.site-logo:hover { opacity: 0.85; }
.site-logo .accent { color: var(--gold); }
.site-tagline {
  margin: 0;
  color: #d9e2ec;
  font-size: 0.95rem;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  font-weight: 400;
  letter-spacing: normal;
}

/* ---- パンくず ---- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 18px 0 0;
  font-size: 0.85rem;
}
.breadcrumb a {
  color: var(--navy);
  text-decoration: none;
  opacity: 0.75;
}
.breadcrumb a:hover { opacity: 1; }
.breadcrumb-sep { opacity: 0.4; }
.breadcrumb [aria-current="page"] { color: var(--navy); opacity: 0.6; }

/* ---- ツール一覧(ポータル) ---- */
.tool-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}
.tool-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.tool-card-icon { margin-bottom: 8px; color: var(--navy); }
.tool-card-icon svg { width: 28px; height: 28px; display: block; }
.tool-card h2 {
  margin: 0 0 6px;
  font-size: 1.15rem;
  color: var(--navy);
}
.tool-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-sub);
}
.coming-soon-notice {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 0 0 28px;
  font-size: 0.85rem;
  color: var(--ink-sub);
  text-align: center;
}

/* ---- タブ切り替え ---- */
.scene-tabs {
  display: flex;
  gap: 8px;
  margin: 24px 0 20px;
}
.scene-tab {
  flex: 1;
  padding: 14px 10px;
  border-radius: 12px;
  border: 2px solid var(--line);
  background: var(--bg-card);
  color: var(--ink-sub);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}
.scene-tab.active[data-scene="wedding"] {
  border-color: var(--vermilion);
  background: var(--vermilion-soft);
  color: var(--vermilion);
}
.scene-tab.active[data-scene="funeral"] {
  border-color: var(--slate);
  background: var(--slate-soft);
  color: var(--slate);
}
.scene-tab.active[data-scene="chugen"] {
  border-color: var(--gold);
  background: var(--gold-soft);
  color: var(--navy);
}
.scene-tab.active[data-scene="seibo"] {
  border-color: var(--navy);
  background: var(--check-bg);
  color: var(--navy);
}

/* ---- フォーム ---- */
.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  margin-bottom: 20px;
}
.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-sub);
  margin-bottom: 6px;
}
.field select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background-color: var(--bg-card);
  appearance: none;
  background-image: var(--select-arrow);
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.field input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background-color: var(--bg-card);
}
.field-error {
  color: var(--vermilion);
  font-size: 0.82rem;
  margin: 6px 0 0;
  display: none;
}
.field-error.show { display: block; }
.radio-group {
  display: flex;
  gap: 10px;
}
.radio-group label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 10px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  margin: 0;
}
.radio-group input { accent-color: var(--navy); }
.radio-group label:has(input:checked) {
  border-color: var(--navy);
  background: var(--check-bg);
}

.btn-calc {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 12px;
  background: var(--navy);
  color: #fff;
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.btn-calc:hover { background: var(--navy-dark); }

/* ---- 結果 ---- */
.result-card {
  background: var(--bg-card);
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: 26px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  display: none;
}
.result-card.show { display: block; }
.result-label {
  font-size: 0.82rem;
  color: var(--ink-sub);
  margin: 0 0 4px;
}
.result-amount {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 6px;
  font-family: "Zen Old Mincho", serif;
}
.result-amount .yen { font-size: 1.1rem; }
.result-note {
  font-size: 0.85rem;
  color: var(--ink-sub);
  margin: 0;
}
.result-advice {
  text-align: left;
  background: #f6f2ea;
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--ink);
}
.result-disclaimer {
  text-align: left;
  margin: 10px 0 0;
  font-size: 0.72rem;
  color: var(--ink-sub);
}

/* ---- 独自アンケートへの導線 ---- */
.survey-banner {
  text-align: left;
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.76rem;
  color: var(--ink-sub);
}
.survey-banner a { color: var(--navy); font-weight: 700; }

/* ---- 結果の共有 ---- */
.share-row {
  display: none;
  gap: 10px;
  margin-top: 14px;
}
.share-row.show { display: flex; }
.share-btn {
  flex: 1;
  min-height: 44px;
  padding: 12px 10px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  background: var(--bg-card);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.share-btn:hover { border-color: var(--navy); color: var(--navy); }

/* ---- マナーメモ ---- */
.manner-box {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 18px;
  display: none;
}
.manner-box.show { display: block; }
.manner-box h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  color: var(--navy);
}
.manner-box ul {
  margin: 0;
  padding-left: 1.2em;
  font-size: 0.92rem;
  color: var(--ink-sub);
}
.manner-box li { margin-bottom: 6px; }

/* ---- アフィリエイト誘導 ---- */
.aff-card {
  display: none;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1.5px dashed var(--gold);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-decoration: none;
  color: var(--ink);
  margin-bottom: 24px;
}
.aff-card.show { display: flex; }
.aff-card .aff-icon { font-size: 1.8rem; }
.aff-card .aff-text { flex: 1; }
.aff-card .aff-title { font-weight: 700; font-size: 0.92rem; margin: 0 0 2px; }
.aff-card .aff-sub { font-size: 0.78rem; color: var(--ink-sub); margin: 0; }
.aff-card .aff-pr {
  font-size: 0.76rem;
  font-weight: 700;
  color: #2a2419;
  background: var(--gold);
  padding: 2px 7px;
  border-radius: 999px;
  align-self: flex-start;
}

/* ---- 早見表 ---- */
.rate-table-box {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 18px;
  display: none;
}
.rate-table-box.show { display: block; }
.rate-table-box { overflow-x: auto; }
.rate-table-box h3 {
  margin: 0 0 4px;
  font-size: 1rem;
  color: var(--navy);
}
.rate-table-box .rate-table-note {
  margin: 0 0 12px;
  font-size: 0.78rem;
  color: var(--ink-sub);
}
.rate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.rate-table th, .rate-table td {
  text-align: left;
  padding: 9px 8px;
  border-bottom: 1px solid var(--line);
}
.rate-table th {
  color: var(--ink-sub);
  font-weight: 700;
  font-size: 0.78rem;
}
.rate-table td:last-child, .rate-table th:last-child {
  text-align: right;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}
/* 最終列が金額でなく説明文のテーブル用(長寿祝いの早見表など): 右寄せ・太字を解除 */
.rate-table--text-last td:last-child, .rate-table--text-last th:last-child {
  text-align: left;
  font-weight: 400;
  color: var(--ink-sub);
  white-space: normal;
}
.rate-source {
  margin: 10px 0 0;
  font-size: 0.72rem;
  color: var(--ink-sub);
}
.rate-source a { color: var(--ink-sub); }

/* ---- FAQ ---- */
.faq-section {
  margin-bottom: 24px;
}
.faq-section h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  color: var(--navy);
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 4px 18px;
  margin-bottom: 10px;
}
.faq-item summary {
  padding: 12px 0;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--ink);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q. ";
  color: var(--gold-text);
}
.faq-item p {
  margin: 0 0 14px;
  font-size: 0.92rem;
  color: var(--ink-sub);
  line-height: 1.7;
}

/* ---- おすすめ商品(楽天商品検索API、価格帯別に「予算ぴったり」「少し奮発するなら」の2グループで比較表示) ---- */
.product-grid {
  display: none;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}
.product-grid.show { display: flex; }
.product-band-label {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--navy);
}
.product-band-reason {
  margin-left: 6px;
  font-size: 0.74rem;
  font-weight: 400;
  color: var(--ink-sub);
}
.product-band-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.product-band-notice {
  margin: 0;
  font-size: 0.78rem;
  color: var(--ink-sub);
  background: var(--check-bg);
  border-radius: 10px;
  padding: 10px 12px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}
.product-image-wrap {
  position: relative;
  margin-bottom: 8px;
}
.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  display: block;
}
.product-badges {
  position: absolute;
  top: 6px;
  left: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.product-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  color: #fff;
  line-height: 1.5;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}
.product-badge--rank { background: var(--vermilion); }
.product-badge--shipping { background: var(--navy); }
.product-pr {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #2a2419;
  background: var(--gold);
  padding: 3px 8px;
  border-radius: 999px;
  line-height: 1.5;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}
.product-note {
  display: none;
  margin: -8px 0 16px;
  font-size: 0.78rem;
  color: var(--ink-sub);
}
.product-grid.show + .product-note { display: block; }
.product-card .product-name {
  font-size: 0.76rem;
  line-height: 1.4;
  margin: 0 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.product-card .product-review {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--gold-text);
  font-weight: 700;
  margin: 0 0 4px;
}
.product-card .product-review-count {
  color: var(--ink-sub);
  font-weight: 400;
}
.product-card .product-price {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
}
.product-grid-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-sub);
  margin: 0 0 10px;
}

/* ---- Xフォロー導線 ---- */
.follow-x {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 0 24px;
  padding: 12px 16px;
  font-size: 0.82rem;
  color: var(--ink-sub);
}
.follow-x a {
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--navy);
}

/* ---- 間柄別の詳しい解説 ---- */
.detail-section {
  margin-bottom: 24px;
}
.detail-section h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin: 0 0 14px;
}
.detail-section h4 {
  font-size: 0.92rem;
  color: var(--ink);
  margin: 18px 0 6px;
}
.detail-section h4:first-of-type { margin-top: 0; }
.detail-section-intro {
  margin-bottom: 16px !important;
  font-style: italic;
}
.detail-section p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-sub);
  line-height: 1.8;
}

/* ---- サイトについて(運営者情報) ---- */
.about-box {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.about-box h2 {
  font-size: 1.05rem;
  color: var(--navy);
  margin: 0 0 14px;
}
.about-list {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink);
}
.about-list dt {
  font-weight: 700;
  color: var(--ink-sub);
  font-size: 0.82rem;
  margin: 14px 0 4px;
}
.about-list dt:first-child { margin-top: 0; }
.about-list dd {
  margin: 0;
  line-height: 1.7;
}
.about-list a { color: var(--navy); }

/* ---- 関連ツール ---- */
.related-tools {
  margin-bottom: 24px;
}
.related-tools h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  color: var(--navy);
}
.related-tools-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.related-tool-link {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
}
.related-tool-link .icon { font-size: 1.2rem; }

/* ---- フッター ---- */
.site-footer {
  max-width: 720px;
  margin: 40px auto 0;
  padding: 24px 20px 40px;
  font-size: 0.82rem;
  color: var(--ink-sub);
  line-height: 1.8;
}
.site-footer p { margin: 0 0 8px; }

@media (max-width: 480px) {
  .result-amount { font-size: 1.7rem; }
  .site-logo { font-size: 1.6rem; }
}
@media (max-width: 380px) {
  .product-band-grid { grid-template-columns: 1fr; }
}