/*
Theme Name: 外装しっかり保証
Theme URI: https://example.com/themes/gaiso-shikkari-hosho
Author: 自社制作
Author URI: https://example.com
Description: 外壁・屋根専門のリフォーム業者向けLPテーマ。無料劣化診断・保証書サンプル・施工プロセス解説・季節キャンペーン・Google口コミを軸に、ネイビー×白を基調とした「誠実・信頼」を訴求する構成。コンテンツ差し替え(テキスト・電話番号・キャンペーン情報等)のみでLPとして運用できることを目的として設計。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gaiso-shikkari-hosho
*/

/* ==========================================================================
   0. 変数定義(配色方針: ネイビー×白。差し色として「保証書の金封」を想起させる
      ゴールドをごく一部の強調要素にのみ使用)
   ========================================================================== */
:root {
  --color-navy-900: #0b1f3a; /* 最も濃いネイビー(ヘッダー・フッター背景) */
  --color-navy-800: #122a4e;
  --color-navy-700: #1c3a6e; /* 見出し・本文の濃色テキスト */
  --color-navy-600: #24518f; /* リンク・アクセント */
  --color-navy-100: #e8edf5; /* セクション背景(淡ネイビー) */
  --color-white: #ffffff;
  --color-gray-50: #f6f8fb;
  --color-gray-200: #dfe4ea;
  --color-gray-500: #6b7684;
  --color-gray-700: #3a4453;
  --color-gold-500: #c9a227; /* 保証書・口コミ星等、ごく一部の強調用アクセント */
  --color-gold-100: #f6ecc9;

  --font-base: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic",
    sans-serif;

  --max-width: 1120px;
  --radius-base: 8px;
  --shadow-card: 0 4px 16px rgba(11, 31, 58, 0.08);
}

/* ==========================================================================
   1. リセット・基本設定
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-gray-700);
  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-navy-600);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-gold-500);
  outline-offset: 2px;
}

ul,
ol {
  padding-left: 1.2em;
}

h1,
h2,
h3,
h4 {
  color: var(--color-navy-900);
  line-height: 1.4;
  margin: 0 0 0.6em;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-navy-900);
  color: var(--color-white);
  padding: 10px 16px;
  z-index: 1000;
}

.skip-link:focus {
  left: 8px;
  top: 8px;
}

.section {
  padding: 56px 0;
}

.section--alt {
  background-color: var(--color-gray-50);
}

.section--navy {
  background-color: var(--color-navy-900);
  color: var(--color-white);
}

.section--navy h2,
.section--navy h3 {
  color: var(--color-white);
}

.section-heading {
  text-align: center;
  margin-bottom: 40px;
}

.section-heading__eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-navy-600);
  background: var(--color-navy-100);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.section--navy .section-heading__eyebrow {
  color: var(--color-navy-900);
  background: var(--color-white);
}

.section-heading__title {
  font-size: 1.7rem;
}

.section-heading__lead {
  color: var(--color-gray-500);
  max-width: 640px;
  margin: 12px auto 0;
}

.section--navy .section-heading__lead {
  color: var(--color-navy-100);
}

/* ==========================================================================
   2. ボタン
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-base);
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(11, 31, 58, 0.18);
}

.btn--primary {
  background-color: var(--color-navy-900);
  color: var(--color-white);
}

.btn--on-navy {
  background-color: var(--color-white);
  color: var(--color-navy-900);
}

.btn--outline {
  background-color: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn--tel {
  background-color: var(--color-gold-500);
  color: var(--color-navy-900);
}

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

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ==========================================================================
   3. ヘッダー
   ========================================================================== */
.site-header {
  background-color: var(--color-white);
  border-bottom: 4px solid var(--color-navy-900);
  position: sticky;
  top: 0;
  z-index: 500;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.site-branding__logo img {
  max-height: 48px;
  width: auto;
}

.site-branding__text {
  display: flex;
  flex-direction: column;
}

.site-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-navy-900);
}

.site-title a {
  color: inherit;
  text-decoration: none;
}

.site-description {
  margin: 0;
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-cta__tel {
  display: flex;
  flex-direction: column;
  text-align: right;
  font-size: 0.8rem;
  color: var(--color-navy-700);
}

.header-cta__tel-number {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-navy-900);
  white-space: nowrap;
}

.header-cta__tel-number a {
  color: inherit;
}

.main-navigation {
  display: none;
}

.main-navigation ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.main-navigation a {
  color: var(--color-navy-700);
  font-weight: 700;
  text-decoration: none;
}

.main-navigation a:hover {
  color: var(--color-navy-900);
  text-decoration: underline;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-navy-900);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-base);
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}

/* ==========================================================================
   4. ヒーロー
   ========================================================================== */
.hero {
  background: linear-gradient(
    135deg,
    var(--color-navy-900) 0%,
    var(--color-navy-700) 100%
  );
  color: var(--color-white);
  padding: 56px 0;
}

.hero__inner {
  display: grid;
  gap: 32px;
  align-items: center;
}

.hero__badge {
  display: inline-block;
  background: var(--color-gold-500);
  color: var(--color-navy-900);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero__title {
  color: var(--color-white);
  font-size: 2rem;
  margin-bottom: 16px;
}

.hero__lead {
  color: var(--color-navy-100);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.hero__trust-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.hero__trust-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-base);
  padding: 14px;
  text-align: center;
}

.hero__trust-number {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-gold-500);
}

.hero__trust-label {
  font-size: 0.78rem;
  color: var(--color-navy-100);
}

.hero__visual {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px dashed rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-base);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-navy-100);
  font-size: 0.9rem;
  padding: 20px;
}

/* ==========================================================================
   5. 無料劣化診断
   ========================================================================== */
.diagnosis-grid {
  display: grid;
  gap: 24px;
}

.diagnosis-check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.diagnosis-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-base);
  padding: 14px 16px;
}

.diagnosis-check-list__icon {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-navy-900);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
}

.diagnosis-flow {
  display: grid;
  gap: 16px;
  counter-reset: diagnosis-step;
}

.diagnosis-flow__step {
  background: var(--color-white);
  border-left: 4px solid var(--color-navy-900);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-card);
  padding: 16px 18px;
}

.diagnosis-flow__step-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--color-navy-900);
  margin-bottom: 6px;
}

.diagnosis-flow__step-number {
  counter-increment: diagnosis-step;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-navy-900);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.diagnosis-cta {
  text-align: center;
  margin-top: 32px;
}

/* ==========================================================================
   6. 保証書サンプル
   ========================================================================== */
.warranty-layout {
  display: grid;
  gap: 32px;
  align-items: start;
}

.warranty-card {
  background: var(--color-white);
  border: 2px solid var(--color-navy-900);
  border-radius: var(--radius-base);
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.warranty-card::before {
  content: "SAMPLE";
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  border: 1px solid var(--color-gray-500);
  padding: 2px 8px;
  border-radius: 999px;
}

.warranty-card__seal {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-gold-100);
  border: 2px solid var(--color-gold-500);
  color: var(--color-gold-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
  text-align: center;
  margin-bottom: 16px;
}

.warranty-card__title {
  font-size: 1.3rem;
  border-bottom: 2px solid var(--color-navy-100);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.warranty-card__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-gray-200);
  font-size: 0.92rem;
}

.warranty-card__row dt {
  color: var(--color-gray-500);
  flex: none;
  width: 40%;
}

.warranty-card__row dd {
  margin: 0;
  font-weight: 700;
  color: var(--color-navy-900);
  text-align: right;
}

.warranty-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.warranty-points li {
  display: flex;
  gap: 12px;
}

.warranty-points__num {
  flex: none;
  font-weight: 800;
  color: var(--color-gold-500);
  font-size: 1.1rem;
}

/* ==========================================================================
   7. 施工プロセス
   ========================================================================== */
.process-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.process-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
}

.process-step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-navy-900);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
}

.process-step__body {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-base);
  padding: 14px 18px;
}

.process-step__title {
  margin: 0 0 6px;
  color: var(--color-navy-900);
  font-size: 1.05rem;
}

.process-step__desc {
  margin: 0;
  color: var(--color-gray-700);
  font-size: 0.92rem;
}

/* ==========================================================================
   8. 季節キャンペーン
   ========================================================================== */
.campaign-banner {
  background: linear-gradient(
    120deg,
    var(--color-navy-900) 0%,
    var(--color-navy-700) 60%,
    var(--color-navy-600) 100%
  );
  color: var(--color-white);
  border-radius: 12px;
  padding: 36px;
  display: grid;
  gap: 24px;
  align-items: center;
  border: 1px solid var(--color-gold-500);
}

.campaign-banner__eyebrow {
  display: inline-block;
  background: var(--color-gold-500);
  color: var(--color-navy-900);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.campaign-banner__title {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.campaign-banner__period {
  font-weight: 700;
  color: var(--color-gold-500);
  margin-bottom: 12px;
}

.campaign-banner__desc {
  color: var(--color-navy-100);
  margin-bottom: 20px;
}

/* ==========================================================================
   9. Google口コミ
   ========================================================================== */
.reviews-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  text-align: center;
}

.reviews-summary__score {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-navy-900);
}

.reviews-summary__stars {
  color: var(--color-gold-500);
  font-size: 1.3rem;
  letter-spacing: 2px;
}

.reviews-summary__count {
  color: var(--color-gray-500);
  font-size: 0.9rem;
}

.reviews-grid {
  display: grid;
  gap: 20px;
}

.review-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-base);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.review-card__stars {
  color: var(--color-gold-500);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.review-card__body {
  margin: 0 0 14px;
  color: var(--color-gray-700);
  font-size: 0.92rem;
}

.review-card__author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-card__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-navy-100);
  color: var(--color-navy-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
}

.review-card__name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-navy-900);
}

.reviews-cta {
  text-align: center;
  margin-top: 28px;
}

/* ==========================================================================
   10. 最終CTA
   ========================================================================== */
.final-cta {
  text-align: center;
}

.final-cta__tel {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
}

.final-cta__tel a {
  color: inherit;
}

.final-cta__hours {
  color: var(--color-navy-100);
  margin-bottom: 24px;
}

.final-cta__note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--color-navy-100);
}

/* ==========================================================================
   11. フッター
   ========================================================================== */
.site-footer {
  background-color: var(--color-navy-900);
  color: var(--color-navy-100);
  padding: 40px 0 20px;
}

.site-footer__grid {
  display: grid;
  gap: 24px;
  margin-bottom: 24px;
}

.site-footer__heading {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 10px;
}

.site-footer a {
  color: var(--color-navy-100);
}

.site-footer__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 16px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-navy-100);
}

/* ==========================================================================
   12. 汎用ループ(index.php用)
   ========================================================================== */
.content-area {
  padding: 56px 0;
  max-width: 760px;
  margin: 0 auto;
}

.entry {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-gray-200);
}

.entry-title a {
  color: var(--color-navy-900);
}

/* ==========================================================================
   13. レスポンシブ(タブレット 768px〜)
   ========================================================================== */
@media (min-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .section-heading__title {
    font-size: 2.1rem;
  }

  .hero {
    padding: 88px 0;
  }

  .hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .hero__title {
    font-size: 2.6rem;
  }

  .diagnosis-grid {
    grid-template-columns: 1fr 1fr;
  }

  .warranty-layout {
    grid-template-columns: 1fr 1fr;
  }

  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .campaign-banner {
    grid-template-columns: 1fr auto;
    text-align: left;
  }

  .campaign-banner__cta {
    text-align: right;
  }

  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .site-footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   14. レスポンシブ(PC 1024px〜)
   ========================================================================== */
@media (min-width: 1024px) {
  .main-navigation {
    display: block;
  }

  .menu-toggle {
    display: none;
  }

  .process-timeline {
    grid-template-columns: repeat(4, 1fr);
  }

  .hero__trust-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   15. モバイル用ドロワーメニュー
   ========================================================================== */
@media (max-width: 1023px) {
  .main-navigation.is-open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 4px solid var(--color-navy-900);
    box-shadow: var(--shadow-card);
    padding: 16px 20px;
  }

  .main-navigation.is-open ul {
    flex-direction: column;
    gap: 14px;
  }
}

/* ==========================================================================
   16. アクセシビリティ配慮
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}