/* はるまち住建株式会社 標準サンプルサイト */

:root {
  --color-green: #315a4a;
  --color-green-dark: #24483a;
  --color-cream: #f7f2e9;
  --color-orange: #c8753d;
  --color-orange-dark: #a85d2f;
  --color-text: #2f342f;
  --color-muted: #667067;
  --color-border: #ddd5c8;
  --color-white: #ffffff;

  --max-width: 1120px;
  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 14px;
  --shadow-s: 0 2px 8px rgba(47, 52, 47, 0.08);
  --shadow-m: 0 4px 16px rgba(47, 52, 47, 0.1);
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--color-text);
  background-color: var(--color-cream);
  line-height: 1.8;
}

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

a {
  color: inherit;
}

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

/* スキップリンク */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-green-dark);
  color: var(--color-white);
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 var(--radius-s) 0;
}

.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 3px solid var(--color-orange);
  outline-offset: 2px;
}

/* 案内帯 */
.notice-bar {
  background-color: var(--color-green-dark);
  color: var(--color-white);
  text-align: center;
  font-size: 0.85rem;
  padding: 10px 16px;
  line-height: 1.6;
}

/* 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);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  text-decoration: none;
  line-height: 1.3;
}

.logo-main {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-green-dark);
}

.logo-sub {
  display: block;
  font-size: 0.72rem;
  color: var(--color-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

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

.nav-list a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-list a:hover {
  color: var(--color-green-dark);
}

.nav-list a[aria-current="page"] {
  color: var(--color-green-dark);
  border-bottom-color: var(--color-orange);
  font-weight: 700;
}

.nav-cta {
  background-color: var(--color-orange);
  color: var(--color-white) !important;
  padding: 9px 18px;
  border-radius: var(--radius-s);
  font-weight: 700;
  border-bottom: none !important;
}

.nav-cta:hover {
  background-color: var(--color-orange-dark);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  width: 44px;
  height: 40px;
  cursor: pointer;
  position: relative;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background-color: var(--color-green-dark);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle::before {
  top: 13px;
}

.menu-toggle span {
  top: 19px;
}

.menu-toggle::after {
  top: 25px;
}

.menu-toggle[aria-expanded="true"]::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"]::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* メイン */
main {
  min-height: 60vh;
}

.section {
  padding: 64px 0;
}

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

.section-title {
  font-size: 1.6rem;
  color: var(--color-green-dark);
  margin: 0 0 12px;
  text-align: center;
}

.section-lead {
  text-align: center;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto 40px;
}

.page-header {
  padding: 56px 0 40px;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.page-header h1 {
  color: var(--color-green-dark);
  font-size: 1.9rem;
  margin: 0 0 12px;
}

.page-header p {
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ボタン */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius-s);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

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

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

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

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

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

/* ヒーロー */
.hero {
  padding: 56px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-text h1 {
  font-size: 2rem;
  color: var(--color-green-dark);
  line-height: 1.5;
  margin: 0 0 20px;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero-break {
  display: none;
}

@media (min-width: 901px) {
  .hero-break {
    display: inline;
  }
}

.hero-text p {
  color: var(--color-text);
  margin: 0 0 28px;
}

.hero-image img {
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
}

/* カードグリッド */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (min-width: 901px) {
  .card-grid--services {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
  }

  .card-grid--services .card {
    flex: 0 0 calc((100% - 48px) / 3);
    max-width: calc((100% - 48px) / 3);
  }
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--shadow-s);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-m);
}

.card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body h3 {
  margin: 0 0 10px;
  color: var(--color-green-dark);
  font-size: 1.05rem;
}

.card-body p {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin: 0 0 16px;
  flex: 1;
}

.card-link {
  color: var(--color-orange-dark);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.9rem;
}

.card-link:hover {
  text-decoration: underline;
}

/* お困りごとリスト */
.trouble-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  display: grid;
  gap: 14px;
}

.trouble-list li {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-orange);
  border-radius: var(--radius-s);
  padding: 14px 18px;
}

.trouble-note {
  text-align: center;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* 特徴 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  padding: 26px 22px;
  text-align: center;
}

.feature-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-green-dark);
  color: var(--color-white);
  font-weight: 700;
  margin-bottom: 14px;
}

.feature-item h3 {
  color: var(--color-green-dark);
  margin: 0 0 10px;
  font-size: 1.02rem;
}

.feature-item p {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* 会社紹介セクション（トップ） */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-preview img {
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
}

.about-preview p {
  margin: 0 0 16px;
}

/* お知らせ */
.news-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 720px;
  border-top: 1px solid var(--color-border);
}

.news-list li {
  display: flex;
  gap: 20px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.news-date {
  color: var(--color-muted);
  font-size: 0.88rem;
  white-space: nowrap;
  min-width: 120px;
}

.news-title {
  flex: 1;
}

/* CTA */
.cta-section {
  background-color: var(--color-green-dark);
  color: var(--color-white);
  padding: 56px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 1.5rem;
  margin: 0 0 16px;
}

.cta-section p {
  max-width: 620px;
  margin: 0 auto 28px;
  color: #e4e9e4;
}

.cta-section .btn-group {
  justify-content: center;
  margin-bottom: 20px;
}

.cta-section .btn-outline {
  color: var(--color-white);
  border-color: var(--color-white);
}

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

.cta-phone {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.cta-hours {
  color: #cfd8cf;
  font-size: 0.9rem;
  margin: 0;
}

/* フッター */
.site-footer {
  background-color: var(--color-green-dark);
  color: #d8e0d8;
  padding: 48px 0 24px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-logo .logo-main {
  color: var(--color-white);
}

.footer-logo .logo-sub {
  color: #b7c2b7;
}

.footer-col h3 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin: 0 0 14px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.footer-col a {
  text-decoration: none;
  color: #d8e0d8;
}

.footer-col a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-info p {
  margin: 0 0 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: #b7c2b7;
}

.footer-bottom p {
  margin: 4px 0;
}

/* トップへ戻る */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--color-orange);
  color: var(--color-white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-m);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), background-color var(--transition);
  z-index: 90;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-orange-dark);
}

/* フェード */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* テーブル・定義リスト（会社概要） */
.company-table {
  width: 100%;
  border-collapse: collapse;
  max-width: 720px;
  margin: 0 auto;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.company-table th,
.company-table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.company-table tr:last-child th,
.company-table tr:last-child td {
  border-bottom: none;
}

.company-table th {
  width: 30%;
  color: var(--color-muted);
  font-weight: 700;
  background-color: var(--color-cream);
}

/* 代表挨拶 */
.greeting-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  align-items: start;
}

.greeting-grid img {
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
}

.greeting-text p {
  margin: 0 0 16px;
}

.greeting-sign {
  margin-top: 24px;
  color: var(--color-green-dark);
  font-weight: 700;
}

/* サービス詳細 */
.service-detail {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 36px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 90px;
}

.service-detail:last-of-type {
  border-bottom: none;
}

.service-detail img {
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
}

.service-detail h3 {
  color: var(--color-green-dark);
  font-size: 1.2rem;
  margin: 0 0 12px;
}

.service-detail ul {
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--color-muted);
}

.service-detail li {
  margin-bottom: 6px;
}

/* 流れ（ステップ） */
.flow-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: flow;
}

.flow-list li {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  padding: 22px 18px;
  position: relative;
}

.flow-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-orange);
  color: var(--color-white);
  font-weight: 700;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.flow-list h3 {
  color: var(--color-green-dark);
  font-size: 1rem;
  margin: 0 0 8px;
}

.flow-list p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* 施工事例 */
.case-detail {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--shadow-s);
  margin-bottom: 28px;
  display: grid;
  grid-template-columns: 380px 1fr;
}

.case-detail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-body {
  padding: 24px 28px;
}

.case-body h3 {
  color: var(--color-green-dark);
  font-size: 1.1rem;
  margin: 0 0 12px;
}

.case-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  font-size: 0.88rem;
  color: var(--color-muted);
}

.case-meta span strong {
  color: var(--color-text);
  font-weight: 700;
}

.case-note {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: -12px auto 32px;
  max-width: 640px;
}

/* フォーム */
.contact-form {
  max-width: 680px;
  margin: 0 auto;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  padding: 32px;
  box-shadow: var(--shadow-s);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-green-dark);
}

.required-mark {
  color: var(--color-orange-dark);
  font-size: 0.8rem;
  margin-left: 6px;
  font-weight: 700;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  font-size: 1rem;
  font-family: inherit;
  background-color: var(--color-cream);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
  background-color: var(--color-white);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  color: var(--color-text);
}

.checkbox-item--full {
  grid-column: 1 / -1;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.checkbox-item input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.consent-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400;
}

.consent-item input {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 6px;
  margin-bottom: 16px;
}

.form-message {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-s);
  background-color: #eef4ef;
  border: 1px solid var(--color-green);
  color: var(--color-green-dark);
  font-weight: 700;
  display: none;
}

.form-message.is-visible {
  display: block;
}

.field-error {
  color: var(--color-orange-dark);
  font-size: 0.85rem;
  margin-top: 6px;
  display: none;
}

.field-error.is-visible {
  display: block;
}

.contact-phone-box {
  max-width: 680px;
  margin: 0 auto 28px;
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  padding: 20px 24px;
  text-align: center;
}

.contact-phone-box .cta-phone {
  color: var(--color-green-dark);
}

.contact-phone-box .cta-hours {
  color: var(--color-muted);
}

/* プライバシーポリシー */
.policy-content {
  max-width: 760px;
  margin: 0 auto;
}

.policy-content h2 {
  color: var(--color-green-dark);
  font-size: 1.15rem;
  margin: 32px 0 12px;
}

.policy-content ul {
  padding-left: 20px;
}

/* レスポンシブ */
@media (max-width: 900px) {
  .hero-grid,
  .about-preview,
  .greeting-grid,
  .service-detail,
  .case-detail {
    grid-template-columns: 1fr;
  }

  .hero-image,
  .about-preview img {
    order: -1;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: min(78vw, 320px);
    background-color: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 28px 28px;
    box-shadow: -6px 0 24px rgba(0, 0, 0, 0.12);
    transform: translateX(100%);
    transition: transform var(--transition);
    gap: 0;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 4px;
  }

  .nav-list a {
    display: block;
    padding: 14px 4px;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-list a[aria-current="page"] {
    border-bottom: 1px solid var(--color-border);
    border-left: 3px solid var(--color-orange);
    padding-left: 12px;
  }

  .nav-cta {
    text-align: center;
    margin-top: 12px;
    width: 100%;
    border-radius: var(--radius-s);
  }

  .menu-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  .card-grid,
  .feature-grid,
  .flow-list,
  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .hero-text h1 {
    font-size: 1.6rem;
  }

  .section {
    padding: 48px 0;
  }

  .greeting-grid img {
    max-width: 220px;
    margin: 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}