/* ============================================
   style.css - トップページ専用スタイル
   長谷川工業株式会社
   ============================================ */

/* ── アンカーリンクのスクロールオフセット（SPヘッダー分） ── */
#about, #service, #works, #contact {
  scroll-margin-top: 74px;
}

/* ── ヒーロー全体 ─────────── */
.header-wrapper {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 520px;
  overflow: hidden;
  /* SPはヘッダー分を下に押し込む */
  margin-top: 64px;
}

/* ── スライドショー ────────── */
.main-slide {
  position: relative;
  width: 100%;
  height: 100%;
}
.slide-item {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
  z-index: 0;
}
.slide-item.active {
  opacity: 1;
  z-index: 1;
}
/* オーバーレイ */
.slide-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(27, 58, 107, 0.52) 0%,
    rgba(12, 181, 155, 0.22) 100%
  );
}

.slide-item.s01 {
  background-image: url(../画像素材/AdobeStock_719763154.jpeg);
  background-position: center 30%;
}
.slide-item.s02 {
  background-image: url(../画像素材/25368595_m.jpg);
}
.slide-item.s03 {
  background-image: url(../画像素材/AdobeStock_1237388757.jpeg);
  background-position: center 30%;
}

/* ── スライドインジケーター ── */
.slide-indicators {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.slide-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  border: none;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
  padding: 0;
}
.slide-dot.active {
  background: #fff;
  transform: scale(1.3);
}

/* ── メインコピー ─────────── */
.main-copy-set {
  position: absolute;
  top: 50%;
  right: 12%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

/* 大見出し（縦書き） */
.main-copy01 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: #fff;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  text-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.main-copy01.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.main-copy01-inner {
  writing-mode: vertical-rl;
  font-size: 4.2rem;
  line-height: 1.35;
  letter-spacing: 0.08em;
}

/* サブコピー（縦書き） */
.main-copy02 {
  display: none; /* SPでは非表示（重なり防止） */
  writing-mode: vertical-rl;
  font-size: 1.2rem;
  line-height: 2.0;
  color: rgba(255,255,255,0.92);
  letter-spacing: 0.12em;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s ease 0.2s, transform 0.9s ease 0.2s;
  text-shadow: 0 1px 6px rgba(0,0,0,0.2);
}
.main-copy02.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 無料見積もりボタン（丸）── */
.hero-free-btn {
  position: absolute;
  bottom: 40px;
  left: 8%;
  width: 120px;
  height: 120px;
  background-color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  z-index: 10;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  border: 2px solid rgba(12,181,155,0.35);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 1.2s ease 0.5s, transform 1.2s ease 0.5s;
  text-decoration: none;
}
.hero-free-btn.is-visible {
  opacity: 1;
  transform: scale(1);
}
.hero-free-btn:hover { opacity: 1; transform: scale(1.06); }
.hero-free-btn .btn-en {
  font-family: var(--font-en);
  font-size: 1.0rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  line-height: 1;
  margin-bottom: 6px;
}
.hero-free-btn .btn-ja {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
}

/* ── スクロールダウン表示（PCのみ）── */
.scroll-down {
  display: none; /* SPでは非表示 */
}
@media (min-width: 760px) {
  .scroll-down {
    display: flex;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.7);
    font-family: var(--font-en);
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    z-index: 10;
  }
  .scroll-down::after {
    content: '';
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.7), rgba(255,255,255,0));
    animation: scrollLine 1.6s ease infinite;
  }
  @keyframes scrollLine {
    0%   { transform: scaleY(0); transform-origin: top; }
    50%  { transform: scaleY(1); transform-origin: top; }
    51%  { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
  }
}

/* ================================================================
   ABOUT ／ 特徴セクション
   ================================================================ */
.features-sec {
  padding: 80px 24px 0;
  max-width: 1100px;
  margin: 0 auto;
}
.features-lead {
  text-align: center;
  font-size: 1.5rem;
  line-height: 2.0;
  color: var(--color-text-sub);
  margin-bottom: 52px;
}
.features-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 60px;
}
.features-item {
  background: var(--color-bg-light);
  border-radius: 12px;
  padding: 36px 28px;
  text-align: center;
  border-top: 4px solid var(--color-primary);
  transition: box-shadow 0.3s, transform 0.3s;
}
.features-item:hover {
  box-shadow: 0 8px 28px rgba(12,181,155,0.13);
  transform: translateY(-4px);
}
.features-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}
.features-icon svg {
  width: 56px;
  height: 56px;
  stroke: var(--color-primary);
}
.features-item h3 {
  font-family: var(--font-serif);
  font-size: 2.0rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 12px;
}
.features-item p {
  font-size: 1.4rem;
  color: var(--color-text-sub);
  line-height: 1.9;
}
/* ── 代表メッセージ ── */
.president-sec {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  margin: 60px 0 56px;
  padding: 40px 28px;
  background: var(--color-bg-light);
  border-radius: 16px;
  border-left: 4px solid var(--color-primary);
}
.president-photo {
  flex-shrink: 0;
}
.president-photo img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--color-primary);
  display: block;
}
.president-msg { text-align: left; }
.president-label {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.president-text {
  font-size: 1.45rem;
  line-height: 2.0;
  color: var(--color-text-sub);
  margin-bottom: 16px;
}
.president-name {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--color-navy);
  text-align: right;
}

.features-img {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  margin: 0 auto 0;
}
.features-img img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: center 60%;
}

/* ================================================================
   SERVICE セクション
   ================================================================ */
.service-sec {
  padding: 90px 24px;
  background-color: var(--color-bg-light);
  margin-top: 80px;
}
.service-sec .section-ttl { margin-bottom: 20px; }
.service-lead {
  text-align: center;
  font-size: 1.4rem;
  color: var(--color-text-sub);
  line-height: 2.0;
  margin-bottom: 52px;
}
.service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.service-item {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s, transform 0.3s;
}
.service-item:hover {
  box-shadow: 0 8px 32px rgba(12,181,155,0.14);
  transform: translateY(-4px);
}
.service-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.service-item:hover .service-img img { transform: scale(1.05); }
.service-text {
  padding: 24px 24px 28px;
  flex: 1;
}
.service-text h3 {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}
.service-text p {
  font-size: 1.4rem;
  color: var(--color-text-sub);
  line-height: 1.9;
}

/* ================================================================
   CTA セクション（無料見積もり）
   ================================================================ */
.cta-sec {
  background: linear-gradient(135deg, var(--color-navy) 0%, #0e4a7a 100%);
  padding: 70px 24px;
  text-align: center;
  color: #fff;
}
.cta-inner { max-width: 860px; margin: 0 auto; }
.cta-sec h2 {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 600;
  margin-bottom: 16px;
  line-height: 1.4;
}
.cta-sec p {
  font-size: 1.5rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.9;
  margin-bottom: 40px;
}
.cta-btns {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.cta-btn-tel {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  border-radius: 10px;
  padding: 20px 40px;
  min-width: 260px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.cta-btn-tel:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); opacity: 1; }
.tel-num {
  font-family: "Overpass", sans-serif;
  font-size: 3.0rem;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 6px;
}
.tel-time {
  font-size: 1.2rem;
  color: var(--color-text-sub);
}
.cta-btn-contact {
  min-width: 260px;
  padding: 18px 40px;
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ================================================================
   WORKS セクション（施工事例）
   ================================================================ */
.works-sec {
  padding: 90px 24px 80px;
  max-width: 1100px;
  margin: 0 auto;
}
.works-sec-ttl {
  text-align: center;
  margin-bottom: 52px;
}
.works-sec-ttl .jpn {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.5;
}
.works-sec-ttl .eng {
  display: block;
  font-family: var(--font-en);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1.2rem;
  letter-spacing: 0.25em;
  margin-top: 4px;
}
.works-sec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 16px;
}
.works-sec-list li {
  position: relative;
}
.works-img {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}
.works-img img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.works-img:hover img { transform: scale(1.06); }
.works-category {
  position: absolute;
  top: 10px; left: 10px;
  padding: 4px 10px;
  border-radius: 20px;
  color: #fff;
  font-size: 1.0rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  z-index: 2;
}
.works-category.bath   { background-color: var(--color-bath); }
.works-category.toilet { background-color: var(--color-toilet); }
.works-category.kitchen{ background-color: var(--color-kitchen); }
.works-category.aircon { background-color: var(--color-aircon); }
.works-info {
  padding-top: 12px;
  border-top: 2px solid var(--color-primary);
  margin-top: 12px;
}
.works-type {
  font-family: var(--font-en);
  font-size: 1.0rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.works-ttl {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
}

/* ================================================================
   CONTACT セクション
   ================================================================ */
.contact-sec {
  background-color: var(--color-bg-light);
  padding: 90px 24px;
}
.contact-inner { max-width: 960px; margin: 0 auto; }
.contact-lead {
  text-align: center;
  font-size: 1.5rem;
  color: var(--color-text-sub);
  margin-bottom: 52px;
}
.contact-box {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* 電話ボックス */
.contact-tel-box {
  background: var(--color-navy);
  color: #fff;
  border-radius: 14px;
  padding: 36px 32px;
  text-align: center;
}
.contact-tel-label {
  font-size: 1.3rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 14px;
  letter-spacing: 0.1em;
}
.contact-tel-num {
  display: block;
  font-family: "Overpass", sans-serif;
  font-size: 4.0rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 8px;
  transition: color 0.3s;
}
.contact-tel-num:hover { color: var(--color-primary); opacity: 1; }
.contact-tel-sub {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 8px;
}
.contact-tel-sub a { color: #fff; }
.contact-tel-sub a:hover { color: var(--color-primary); opacity: 1; }
.contact-tel-time {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.6);
}

/* フォームボックス */
.contact-form-box {
  background: #fff;
  border-radius: 14px;
  padding: 36px 28px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.07);
}
.contact-form-label {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
}
.form-group { margin-bottom: 22px; }
.form-group label {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}
.required {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.0rem;
  padding: 2px 7px;
  border-radius: 3px;
  margin-left: 8px;
  vertical-align: middle;
  font-weight: 700;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 1.5rem;
  color: var(--color-text);
  background: #fafafa;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12,181,155,0.15);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit { text-align: center; margin-top: 32px; }
.form-submit button {
  width: 100%;
  max-width: 320px;
  padding: 18px 0;
  font-size: 1.6rem;
  cursor: pointer;
  font-family: var(--font-sans);
}
.form-note {
  text-align: center;
  font-size: 1.2rem;
  color: var(--color-text-sub);
  margin-top: 18px;
  line-height: 1.7;
}

/* 送信完了メッセージ */
.form-success {
  display: none;
  background: rgba(12,181,155,0.1);
  border: 2px solid var(--color-primary);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  color: var(--color-navy);
  font-size: 1.6rem;
  font-weight: 700;
}
.form-success.show { display: block; }

/* ================================================================
   レスポンシブ：PC（760px〜）
   ================================================================ */
@media (min-width: 760px) {

  /* ヒーロー：PCは固定ヘッダー230px分ずらす */
  .header-wrapper { margin-top: 230px; height: calc(100svh - 230px); min-height: 480px; }
  .main-copy01-inner { font-size: 5.8rem; }
  .main-copy02 { display: block; font-size: 1.4rem; }
  .hero-free-btn { width: 140px; height: 140px; bottom: 60px; left: 10%; }
  .hero-free-btn .btn-en { font-size: 1.1rem; }
  .hero-free-btn .btn-ja { font-size: 1.6rem; }

  /* About */
  .features-sec { padding: 120px 48px 0; }
  .features-list { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .features-img img { height: 400px; }
  .president-sec {
    flex-direction: row;
    align-items: flex-start;
    gap: 40px;
    padding: 48px 56px;
  }
  .president-photo img { width: 150px; height: 150px; }
  .president-text { font-size: 1.5rem; }

  /* Service */
  .service-sec { padding: 110px 48px; }
  .service-list { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .service-img { height: 240px; }

  /* CTA */
  .cta-btns { flex-direction: row; justify-content: center; }
  .cta-sec h2 { font-size: 3.2rem; }

  /* Works */
  .works-sec { padding: 110px 48px 100px; }
  .works-sec-list { grid-template-columns: repeat(4, 1fr); gap: 28px 20px; }
  .works-img img { height: 210px; }

  /* Contact */
  .contact-sec { padding: 110px 48px; }
  .contact-box { flex-direction: row; align-items: flex-start; gap: 36px; }
  .contact-tel-box { flex: 1; min-width: 280px; }
  .contact-form-box { flex: 2; }
  .contact-tel-num { font-size: 3.2rem; }
}

@media (min-width: 1100px) {
  .service-list { grid-template-columns: repeat(3, 1fr); }
}