/*
Theme Name: サンキョウエネルギー診断 自然色版
Theme URI: https://sunkyoeneshin.fem.jp
Author: サンキョウエネルギー診断
Description: 中古太陽光の購入前確認をDIAG 1／DIAG PLUS／DIAG PROで案内する改訂テーマ
Version: 3.2.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: sankyo-energy-shindan
*/

/* =====================================================
   0. 基本設定(色・フォントなどをまとめて管理する変数)
   ここを変更すると、サイト全体の色やフォントが一括で変わります
===================================================== */
:root {
  /* --- 配色 --- */
  --color-green: #2E5339;       /* メインカラー:深い緑(自然・信頼) */
  --color-green-dark: #213D2A;  /* 緑の濃いバージョン(ホバー時など) */
  --color-blue: #2C5F8A;        /* サブカラー:青(空・誠実さ) */
  --color-gold: #C9A227;        /* アクセント:ゴールド(太陽光。使いすぎない) */
  --color-white: #FFFFFF;
  --color-offwhite: #F7F7F5;    /* セクションの背景切り替え用 */
  --color-text: #333333;        /* 本文の文字色 */
  --color-text-light: #6B6B6B;  /* 補足文字色 */
  --color-border: #E3E1DB;      /* 境界線・区切り線 */

  /* --- フォント --- */
  --font-base: "Noto Sans JP", "Yu Gothic", "游ゴシック", sans-serif;

  /* --- レイアウト --- */
  --content-width: 1120px;      /* コンテンツ全体の最大幅 */
  --section-padding: 96px;      /* セクション上下の余白(PC) */
  --section-padding-sp: 56px;   /* セクション上下の余白(スマホ) */
}

/* =====================================================
   1. リセット・基本スタイル
===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  padding-left: 1.4em;
}

/* キーボード操作時に、今どこにフォーカスがあるか分かるようにする(アクセシビリティ対応) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 2px;
}

/* 「アニメーションを減らす」設定をしている方への配慮 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* =====================================================
   2. 見出し・テキスト
===================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-base);
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 0.6em;
  color: var(--color-green-dark);
}

h1 { font-size: clamp(28px, 4vw, 40px); }
h2 { font-size: clamp(22px, 3vw, 30px); }
h3 { font-size: clamp(18px, 2.2vw, 22px); }

p {
  margin: 0 0 1.2em;
  max-width: 38em; /* 1行の文字数を読みやすい長さに保つ */
}

/* =====================================================
   3. レイアウト共通パーツ
===================================================== */
.l-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
}

.l-section {
  padding: var(--section-padding) 0;
}

.l-section--alt {
  background-color: var(--color-offwhite);
}

.l-section__head {
  text-align: center;
  margin-bottom: 48px;
}

.l-section__head p {
  margin: 0 auto;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .l-section {
    padding: var(--section-padding-sp) 0;
  }
}

/* =====================================================
   4. ヘッダー
===================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--content-width);
  margin: 0 auto;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-branding img {
  height: 40px;
  width: auto;
}

.site-branding__text {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-green-dark);
}

.main-navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 28px;
}

.main-navigation a {
  color: var(--color-text);
  font-size: 15px;
}

.main-navigation a:hover {
  color: var(--color-green);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  cursor: pointer;
  color: var(--color-green-dark);
}

@media (max-width: 900px) {
  .main-navigation {
    display: none;
    width: 100%;
  }

  .main-navigation.is-open {
    display: block;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 0;
    padding: 16px 0;
  }

  .main-navigation li {
    border-top: 1px solid var(--color-border);
  }

  .main-navigation a {
    display: block;
    padding: 14px 24px;
  }

  .site-header__inner {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: block;
  }
}

/* =====================================================
   5. ボタン(CTA)
===================================================== */
.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 16px;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-green);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-green-dark);
  color: var(--color-white);
}

.btn--secondary {
  background-color: transparent;
  border-color: var(--color-green);
  color: var(--color-green);
}
/* ヒーロー(緑の背景)の上に置く場合だけ、白いボタンに見えるよう上書きする */
.hero .btn--secondary {
  border-color: var(--color-white);
  color: var(--color-white);
}

.hero .btn--secondary:hover {
  background-color: var(--color-white);
  color: var(--color-green-dark);
}
.btn--secondary:hover {
  background-color: var(--color-green);
  color: var(--color-white);
}

.btn--block {
  display: block;
  width: 100%;
}

@media (max-width: 600px) {
  .btn {
    display: block;
    width: 100%;
  }
}

/* =====================================================
   6. ヒーロー(ファーストビュー)
===================================================== */
.hero {
  position: relative;
  color: var(--color-white);
  background-color: var(--color-green-dark); /* 画像読み込み前の背景色 */
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(33,61,42,0.55), rgba(33,61,42,0.75));
}

.hero__inner {
  position: relative;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 120px 24px;
}

.hero__title {
  color: var(--color-white);
  font-size: clamp(30px, 5vw, 44px);
  max-width: 16em;
}

.hero__lead {
  max-width: 34em;
  font-size: 17px;
  color: var(--color-white);
}

.hero__actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .hero__inner {
    padding: 72px 24px;
  }
  .hero__actions {
    flex-direction: column;
  }
}

/* =====================================================
   7. カード・リスト
===================================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 28px;
}

.card h3 {
  margin-top: 0;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 14px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-green);
  border-radius: 50%;
}

/* =====================================================
   8. ステップ(診断の流れなど、順序があるコンテンツ専用)
===================================================== */
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 32px 56px;
  border-left: 2px solid var(--color-border);
  margin-left: 18px;
}

.steps li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: -19px;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-green);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
}

/* =====================================================
   9. リスク判定バッジ(Green / Yellow / Red)
===================================================== */
.risk-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 24px 0;
}

.risk-badge {
  flex: 1 1 220px;
  padding: 20px;
  border-radius: 6px;
  border-left: 6px solid;
  background-color: var(--color-offwhite);
}

.risk-badge--green { border-color: #3E7B4F; }
.risk-badge--yellow { border-color: #C9A227; }
.risk-badge--red { border-color: #B3452C; }

.risk-badge__label {
  font-weight: 700;
  margin-bottom: 6px;
}

/* =====================================================
   10. FAQ(アコーディオン。JavaScript不要でHTML標準機能を使用)
===================================================== */
.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item summary {
  padding: 20px 8px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--color-green);
}

.faq__item[open] summary::after {
  content: "−";
}

.faq__item p {
  padding: 0 8px 20px;
  color: var(--color-text-light);
}

/* =====================================================
   11. お問い合わせフォーム
===================================================== */
.contact-form .form-row {
  margin-bottom: 24px;
}

.contact-form label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-form .required {
  color: #B3452C;
  font-size: 13px;
  margin-left: 6px;
  font-weight: 400;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-base);
  font-size: 15px;
}

.contact-form textarea {
  min-height: 160px;
}

.contact-form .form-note {
  font-size: 13px;
  color: var(--color-text-light);
}

/* =====================================================
   12. CTAバナー(ページ末尾の問い合わせ誘導)
===================================================== */
.cta-banner {
  background-color: var(--color-green);
  color: var(--color-white);
  text-align: center;
  padding: 64px 24px;
  border-radius: 8px;
}

.cta-banner h2 {
  color: var(--color-white);
}

/* =====================================================
   13. フッター
===================================================== */
.site-footer {
  background-color: var(--color-green-dark);
  color: var(--color-white);
  padding: 56px 0 24px;
  margin-top: 64px;
}

.site-footer a {
  color: var(--color-white);
}

.site-footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-footer__meta {
  margin-bottom: 32px;
  font-size: 14px;
  line-height: 2;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

/* コラム共通UI：購入前チェックリストの表示を全投稿へ適用（2026-10-06） */
.single-post article.type-post.l-section {
  padding-top: 48px;
}
.single-post article.type-post > .l-container > .l-section__head {
  margin-bottom: 16px;
}
.single-post article.type-post > .l-container > .l-section__head h1 {
  font-size: 34px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.single-post .page-content {
  max-width: 44rem;
  margin-inline: auto;
  color: #333333;
  font-size: 17px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.single-post .page-content p:not(:where(.sharedaddy *)) {
  max-width: none;
  margin: 0 0 1.1em;
}
.single-post .page-content .column-guide__subtitle {
  color: #2E5339;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}
.single-post .page-content h2:not(:where(.sharedaddy *)),
.single-post .page-content h3:not(:where(.sharedaddy *)) {
  color: #213D2A;
  line-height: 1.5;
  scroll-margin-top: 6rem;
}
.single-post .page-content h2:not(:where(.sharedaddy *)) {
  font-size: 26px;
  margin: 56px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid #2E5339;
}
.single-post .page-content h3:not(:where(.sharedaddy *)) {
  font-size: 20px;
  margin: 36px 0 14px;
}
.single-post .page-content ul:not(:where(.sharedaddy *)),
.single-post .page-content ol:not(:where(.sharedaddy *)) {
  margin: 0 0 24px;
  padding-left: 1.5em;
}
.single-post .page-content li:not(:where(.sharedaddy *)) {
  margin-bottom: 10px;
}
.single-post .page-content a:not(:where(.sharedaddy *)) {
  color: #2E5339;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.single-post .page-content a:not(:where(.sharedaddy *)):hover {
  color: #213D2A;
  text-decoration-thickness: 2px;
}
.single-post .page-content a:not(:where(.sharedaddy *)):focus-visible {
  outline: 3px solid #2C5F8A;
  outline-offset: 3px;
  border-radius: 2px;
}
.single-post .page-content .column-guide__start {
  background: #F3F7F2;
  border-left: 4px solid #2E5339;
  padding: 20px;
  margin: 24px 0;
}
.single-post .page-content .column-guide__start p {
  margin-bottom: 10px;
}
.single-post .page-content .column-guide__start ol {
  margin-bottom: 0;
}
.single-post .page-content .column-guide__start li:last-child {
  margin-bottom: 0;
}
.single-post .page-content .column-guide__scope {
  margin-bottom: 24px;
}
.single-post .page-content .column-guide__toc {
  border: 1px solid #D5DFD4;
  border-radius: 6px;
  padding: 20px;
  margin: 28px 0 36px;
}
.single-post .page-content .column-guide__toc p {
  color: #213D2A;
  margin-bottom: 10px;
}
.single-post .page-content .column-guide__toc ol {
  margin-bottom: 0;
}
.single-post .page-content .column-guide__toc li {
  margin-bottom: 0;
}
.single-post .page-content .column-guide__toc a {
  display: block;
  min-height: 44px;
  padding: 8px 0;
}
.single-post .page-content table:not(:where(.sharedaddy *)) {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  margin: 24px 0 32px;
  font-size: inherit;
}
.single-post .page-content caption:not(:where(.sharedaddy *)) {
  color: #213D2A;
  font-weight: 700;
  text-align: left;
  padding-bottom: 10px;
}
.single-post .page-content th:not(:where(.sharedaddy *)),
.single-post .page-content td:not(:where(.sharedaddy *)) {
  border: 1px solid #D5DFD4;
  padding: 12px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
  word-break: normal;
}
.single-post .page-content thead th {
  background: #2E5339;
  color: #FFFFFF;
}
.single-post .page-content tbody th {
  background: #F3F7F2;
  color: #213D2A;
}
.single-post .page-content .column-guide__documents th:first-child {
  width: 43%;
}
.single-post .page-content .column-guide__memo th:first-child {
  width: 30%;
}
.single-post .page-content .column-guide__question {
  background: #F3F7F2;
  border-left: 4px solid #2E5339;
  padding: 18px 20px;
  margin: 24px 0 32px;
}
.single-post .page-content .column-guide__question-label {
  color: #213D2A;
  margin-bottom: 8px;
}
.single-post .page-content .column-guide__question p:last-child {
  margin-bottom: 0;
}
.single-post .page-content .column-guide__status {
  background: #F3F7F2;
  border: 1px solid #D5DFD4;
  border-radius: 6px;
  padding: 20px 20px 12px 40px;
}
.single-post .page-content .column-guide__plans {
  list-style: none;
  padding-left: 0;
}
.single-post .page-content .column-guide__plans li {
  padding: 18px 0;
  margin: 0;
  border-bottom: 1px solid #D5DFD4;
}
.single-post .page-content .column-guide__plans strong {
  display: block;
  color: #213D2A;
  margin-bottom: 8px;
}
.single-post .page-content .column-guide__plans p {
  margin-bottom: 0;
}
.single-post .page-content .column-guide__related a {
  display: block;
  min-height: 44px;
  padding: 8px 0;
}
.single-post .page-content .column-guide__cta-wrap {
  margin-top: 24px;
}
.single-post .page-content .column-guide__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  max-width: 100%;
  padding: 14px 24px;
  border-radius: 4px;
  background: #2E5339;
  color: #FFFFFF;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
}
.single-post .page-content .column-guide__cta:hover {
  background: #213D2A;
  color: #FFFFFF;
}
.single-post .page-content .column-guide__byline {
  margin-top: 28px;
}
@media (max-width: 600px) {
  .single-post article.type-post.l-section {
    padding-top: 32px;
  }
  .single-post article.type-post > .l-container > .l-section__head h1 {
    font-size: 28px;
    line-height: 1.45;
  }
  .single-post .page-content {
    font-size: 16px;
  }
  .single-post .page-content h2:not(:where(.sharedaddy *)) {
    font-size: 24px;
    margin-top: 44px;
  }
  .single-post .page-content .column-guide__subtitle {
    font-size: 18px;
  }
  .single-post .page-content .column-guide__start,
  .single-post .page-content .column-guide__toc,
  .single-post .page-content .column-guide__question {
    padding: 16px;
  }
  .single-post .page-content th:not(:where(.sharedaddy *)),
  .single-post .page-content td:not(:where(.sharedaddy *)) {
    padding: 10px 8px;
  }
  .single-post .page-content .column-guide__cta {
    width: 100%;
    padding-inline: 16px;
  }
}