@charset "UTF-8";

:root {
  /* Color Palette: 青、水色、緑のパステル・清潔感のある配色 */
  --primary: #4FC3F7;
  /* パステル水色（メイン・清潔感） */
  --primary-dark: #0277BD;
  /* 濃い水色（テキスト・強調用） */
  --primary-light: #E1F5FE;
  /* 非常に薄い水色 */
  --accent: #81C784;
  /* パステル緑（安心感・ボタン） */
  --accent-hover: #66BB6A;
  --accent-light: #E8F5E9;
  --secondary: #64B5F6;
  /* パステル青 */
  --secondary-light: #E3F2FD;
  --white: #FFFFFF;
  --bg-color: #F9FBFD;
  /* ほんのり青みがかった白 */
  --bg-gray: #F0F4F8;
  --text-main: #334E68;
  /* ネイビー寄りのグレーで清潔感を */
  --text-muted: #627D98;
  --border: #D9E2EC;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg-color);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 16px;
  /* テキスト選択を禁止 */
  user-select: none;
  -webkit-user-select: none;
}

img {
  max-width: 100%;
  height: auto;
  /* 画像の保存・ドラッグを禁止 */
  pointer-events: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}

/* 共通フォントクラス */
.font-noto {
  font-family: 'Noto Sans JP', sans-serif;
}

.font-en {
  font-family: 'Quicksand', sans-serif;
}

.sp-only {
  display: none;
}

.pc-only {
  display: inline;
}

.overflow-hidden {
  overflow: hidden;
}

/* SVGアイコン調整用 */
.svg-icon {
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: all 0.3s;
}

.header-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.header-logo .logo-img {
  height: 75px;
  width: auto;
  object-fit: contain;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.header-nav a {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.3s;
}

.header-nav a:hover {
  color: var(--primary-dark);
}

.header-tel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.header-tel .tel-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 5px;
}

.header-tel .tel-hours {
  font-size: 10px;
  color: var(--text-muted);
}

.btn-header-cta {
  background: var(--accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: 30px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(129, 199, 132, 0.3);
  transition: all 0.3s;
}

.btn-header-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding-top: 80px;
  height: 100vh;
  min-height: 650px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-visual img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: heroFade 15s infinite;
}

.hero-visual img:nth-child(1) {
  animation-delay: 0s;
}

.hero-visual img:nth-child(2) {
  animation-delay: 5s;
}

.hero-visual img:nth-child(3) {
  animation-delay: 10s;
}

@keyframes heroFade {
  0% { opacity: 0; transform: scale(1); }
  5% { opacity: 1; }
  33.33% { opacity: 1; }
  38.33% { opacity: 0; transform: scale(1.05); }
  100% { opacity: 0; transform: scale(1.05); }
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.4) 40%, rgba(255, 255, 255, 0) 80%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: 0 5%;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(79, 195, 247, 0.3);
}

.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 16px;
}

.hero-title .highlight {
  color: var(--accent);
  font-size: 1.2em;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 30px;
  background: rgba(255, 255, 255, 0.9);
  display: inline-block;
  padding: 8px 15px;
  border-radius: 8px;
  line-height: 1.6;
}

.hero-points {
  display: flex;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 14px;
  color: var(--primary-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 2px solid var(--primary-light);
}

.hero-point .svg-icon {
  color: var(--accent);
}

/* Wave Divider */
.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  z-index: 15;
  display: block;
}

.waves {
  position: relative;
  width: 100%;
  height: 80px;
  margin-bottom: -7px;
  min-height: 60px;
  max-height: 100px;
}

.parallax>use {
  animation: move-forever 25s cubic-bezier(.55, .5, .45, .5) infinite;
}

.parallax>use:nth-child(1) {
  animation-delay: -2s;
  animation-duration: 7s;
}

.parallax>use:nth-child(2) {
  animation-delay: -3s;
  animation-duration: 10s;
}

.parallax>use:nth-child(3) {
  animation-delay: -4s;
  animation-duration: 13s;
}

.parallax>use:nth-child(4) {
  animation-delay: -5s;
  animation-duration: 20s;
}

@keyframes move-forever {
  0% {
    transform: translate3d(-90px, 0, 0);
  }

  100% {
    transform: translate3d(85px, 0, 0);
  }
}

/* ===== MAIN CTA BANNER ===== */
.cta-banner {
  background: var(--primary-light);
  border: 2px solid var(--primary);
  padding: 40px 20px;
  text-align: center;
  position: relative;
  z-index: 20;
  margin: -20px 5% 60px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(79, 195, 247, 0.15);
}

.cta-banner-label {
  background: var(--primary);
  color: var(--white);
  display: inline-block;
  padding: 5px 20px;
  border-radius: 20px;
  font-weight: 900;
  font-size: 14px;
  margin-bottom: 15px;
}

.cta-banner h2 {
  font-size: clamp(20px, 3vw, 24px);
  color: var(--primary-dark);
  margin-bottom: 25px;
  line-height: 1.5;
}

.cta-btn-wrap {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.2s;
  flex: 1;
  min-width: 280px;
  max-width: 360px;
}

.btn-cta:active {
  transform: translateY(4px);
  box-shadow: none !important;
}

.btn-tel {
  background: var(--white);
  color: var(--text-main);
  box-shadow: 0 4px 0 var(--border);
}

.btn-tel .svg-icon {
  color: var(--primary-dark);
}

.btn-mail {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 0 var(--accent-hover);
}

.btn-cta-main {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  line-height: 1;
}

.btn-tel .btn-cta-main {
  font-size: 28px;
}

.btn-mail .btn-cta-main {
  font-size: 20px;
}

.btn-cta-note {
  font-size: 13px;
  font-weight: 700;
  margin-top: 8px;
}

.btn-tel .btn-cta-note {
  color: var(--text-muted);
}

.btn-mail .btn-cta-note {
  color: var(--accent-light);
}

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ===== COMMON SECTION ===== */
.section {
  padding: 80px 0;
}

.bg-light {
  background-color: var(--white);
}

.bg-gray {
  background-color: var(--bg-gray);
}

.inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 5%;
}

.sec-title-wrap {
  text-align: center;
  margin-bottom: 50px;
}

.sec-label {
  font-size: 16px;
  color: var(--primary-dark);
  font-weight: 900;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  display: block;
}

.sec-title {
  font-size: clamp(28px, 4vw, 36px);
  color: var(--text-main);
  position: relative;
  display: inline-block;
  line-height: 1.4;
}

.sec-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
}

/* ===== PROBLEMS ===== */
.problems-wrap {
  background: var(--white);
  border: 2px dashed var(--primary);
  border-radius: 20px;
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.check-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.check-list li {
  position: relative;
  padding-left: 40px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  display: flex;
  align-items: center;
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  background-color: var(--primary-light);
  border-radius: 50%;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%230277BD" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>');
  background-size: 16px;
  background-position: center;
  background-repeat: no-repeat;
}

/* ===== ABOUT ===== */
.about-wrap {
  background: var(--white);
  border-radius: 20px;
  padding: 50px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 30px;
}

.about-img {
  width: 100%;
  border-radius: 15px;
  overflow: hidden;
}

.about-img img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  display: block;
}

.about-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-lead {
  font-size: 24px;
  color: var(--primary-dark);
  margin-bottom: 20px;
  line-height: 1.6;
}

.about-text {
  max-width: 700px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-bottom-msg {
  margin-top: 20px;
  font-size: 20px;
  color: var(--accent-hover);
  font-weight: 900;
  text-align: center;
  background: var(--accent-light);
  padding: 15px 30px;
  border-radius: 10px;
}

/* ===== SERVICE ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--primary-light);
  transition: transform 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(2, 119, 189, 0.1);
}

.service-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.service-content {
  padding: 30px;
}

.service-name {
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-name::before {
  content: '';
  display: block;
  width: 8px;
  height: 24px;
  background: var(--accent);
  border-radius: 4px;
}

.service-desc {
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== FEATURES ===== */
.features-bg {
  background: var(--secondary-light);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  position: relative;
  transition: transform 0.3s;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-img-wrap {
  position: relative;
  width: 100%;
  height: 220px;
}

.feature-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-num {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--primary);
  color: var(--white);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  border: 3px solid var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.feature-content {
  padding: 30px 25px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.feature-title {
  font-size: 20px;
  color: var(--primary-dark);
  margin-bottom: 15px;
  line-height: 1.4;
  text-align: center;
}

.feature-desc {
  text-align: left;
  color: var(--text-muted);
}

/* ===== PRICE ===== */
#price {
  position: relative;
  clip-path: inset(0);
}

/* 固定背景画像 (iOS Safari対応ハック) */
#price::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url('../img/pricebg.jpg');
  background-size: cover;
  background-position: center;
  z-index: -2;
}

/* 水色のオーバーレイ */
#price::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(225, 245, 254, 0.4);
  z-index: -1;
}

#price .inner {
  position: relative;
  z-index: 10;
}

.price-wrap {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 20px;
  padding: 50px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.price-wrap>p {
  margin-bottom: 30px;
  line-height: 1.8;
}

.price-speech-bubbles {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.bubble {
  background: var(--white);
  color: var(--primary-dark);
  padding: 15px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 5px 15px rgba(2, 119, 189, 0.1);
  border: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.bubble::before {
  content: '?';
  color: var(--white);
  background: var(--accent);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  flex-shrink: 0;
}

.price-bottom-msg {
  font-size: 22px !important;
  color: var(--accent-hover);
  font-weight: 900;
}

/* ===== MESSAGE ===== */
.message-section {
  background: var(--bg-gray);
}

.msg-wrap {
  display: flex;
  align-items: stretch;
  gap: 50px;
  background: var(--white);
  padding: 50px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.msg-img {
  flex: 1;
  border-radius: 15px;
  overflow: hidden;
  position: relative;
}

.msg-img img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.msg-content {
  flex: 1.5;
}

.msg-title {
  font-size: 28px;
  color: var(--primary-dark);
  margin-bottom: 20px;
  line-height: 1.4;
}

.msg-text {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--text-main);
}

/* ===== RECRUIT ===== */
.recruit-section {
  background: var(--bg-gray);
}

.recruit-banner-wrap {
  margin-top: 30px;
  text-align: center;
}

.recruit-banner-wrap a {
  display: inline-block;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
  max-width: 800px;
  width: 100%;
}

.recruit-banner-wrap a:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.recruit-banner-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== ACCESS ===== */
.map-container {
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.map-container iframe {
  display: block;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--text-main);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 5%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-info h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--primary-light);
}

.footer-info p {
  font-size: 14px;
  color: #cbd5e1;
  margin-bottom: 8px;
}

.footer-contact {
  text-align: right;
}

.f-tel {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 10px;
}

.f-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  margin-top: 15px;
  transition: background 0.3s;
}

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

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  font-size: 12px;
  color: #888;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  .sec-title {
    font-size: clamp(20px, 4vw, 36px);
  }

  .header-logo .logo-img {
    height: 55px;
  }

  .pc-only {
    display: none;
  }

  .sp-only {
    display: inline;
  }

  .header-nav,
  .header-tel,
  .btn-header-cta {
    display: none;
  }

  .site-header {
    padding: 0 20px;
    height: 60px;
    justify-content: space-between;
  }

  .hero {
    padding-top: 60px;
    height: auto;
    min-height: auto;
    flex-direction: column;
    text-align: center;
  }

  .hero::before {
    display: none;
  }

  .hero-visual {
    position: relative;
    width: 100%;
    height: 250px;
  }

  .hero-content {
    padding: 40px 15px 40px;
    max-width: 100%;
  }

  .hero-title {
    font-size: 28px;
    line-height: 1.4;
  }

  .hero-subtitle {
    font-size: 14px;
    padding: 8px 10px;
    margin-bottom: 15px;
  }

  .hero-points {
    flex-direction: row;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
  }

  .hero-point {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    padding: 5px;
    font-size: 11px;
    line-height: 1.2;
    gap: 4px;
  }

  .hero-point .svg-icon {
    width: 20px;
    height: 20px;
  }

  .waves {
    height: 40px;
    min-height: 40px;
  }

  .problems-wrap {
    padding: 20px;
  }

  .check-list {
    grid-template-columns: 1fr;
  }

  .check-list li {
    font-size: 14px;
  }

  .feature-grid,
  .service-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    gap: 0;
  }

  .cta-btn-wrap {
    flex-direction: column;
    align-items: center;
  }

  .btn-cta {
    width: 100%;
    max-width: 100%;
  }

  .btn-tel .btn-cta-main {
    font-size: 24px;
  }

  .about-wrap {
    padding: 30px 20px;
    gap: 30px;
  }

  .about-img img {
    height: 200px;
    object-position: 25% center;
  }

  .about-lead {
    font-size: 20px;
    text-align: left;
  }

  .about-content {
    align-items: flex-start;
    text-align: left;
  }

  .about-text {
    text-align: left;
  }

  .about-bottom-msg {
    font-size: 18px;
    width: 100%;
  }

  .price-wrap {
    padding: 30px 20px;
  }

  .price-desc {
    text-align: left;
  }

  .price-speech-bubbles {
    flex-direction: column;
    gap: 15px;
    align-items: stretch;
    margin-bottom: 30px;
    padding-right: 15px;
  }

  .bubble {
    width: auto;
    text-align: left;
    font-size: 16px;
    padding: 12px 20px;
  }

  .price-bottom-msg {
    font-size: 16px !important;
  }

  .msg-wrap {
    flex-direction: column;
    padding: 30px 20px;
  }

  .msg-img {
    flex: none;
    width: 100%;
    height: auto;
  }

  .msg-img img {
    position: static;
    height: 250px;
  }

  .msg-title {
    font-size: 20px;
  }

  .map-container iframe {
    height: 405px;
  }

  .footer-contact {
    text-align: left;
    margin-top: 30px;
  }

  .f-tel {
    justify-content: flex-start;
  }

  .cta-banner {
    padding: 30px 15px;
    margin: 0 5% 40px;
  }

  .cta-banner h2 {
    font-size: clamp(16px, 3vw, 24px);
  }
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-5px);
}

/* SP Hamburger & Sticky CTA */
.hamburger-btn,
.sp-nav,
.nav-overlay {
  display: none;
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
  }

  .sp-sticky-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1500;
    background: var(--white);
    box-shadow: 0 -2px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(100%);
    transition: all 0.4s;
  }

  .sp-sticky-cta.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .sp-sticky-cta .cta-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 5px;
    text-decoration: none;
    font-weight: 700;
    font-size: 11px;
    gap: 4px;
    border: none;
  }

  .sp-sticky-cta .btn-tel {
    background: var(--primary-dark);
    color: var(--white);
  }

  .sp-sticky-cta .btn-tel .svg-icon {
    color: var(--white);
  }

  .sp-sticky-cta .btn-mail {
    background: var(--accent);
    color: var(--white);
  }

  body {
    padding-bottom: 60px;
  }

  .hamburger-btn {
    display: block;
    position: relative;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 2100;
    padding: 0;
  }

  .hamburger-btn .bar {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-dark);
    transition: all 0.3s;
    border-radius: 2px;
  }

  .hamburger-btn .bar:nth-child(1) {
    top: 0;
  }

  .hamburger-btn .bar:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
  }

  .hamburger-btn .bar:nth-child(3) {
    bottom: 0;
  }

  .hamburger-btn.is-active .bar:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
  }

  .hamburger-btn.is-active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger-btn.is-active .bar:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
  }

  .sp-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 90%;
    height: 100vh;
    background-color: var(--white);
    z-index: 2050;
    padding: 80px 30px;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.4s ease-in-out;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  .sp-nav.is-active {
    right: 0;
  }

  .sp-nav-list {
    list-style: none;
    margin-bottom: 0;
  }

  .sp-nav-list li {
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
  }

  .sp-nav-list li a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 18px;
    display: block;
  }

  .sp-nav-btn {
    background: var(--primary-dark);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    margin-top: 15px;
    box-shadow: 0 4px 10px rgba(2, 119, 189, 0.2);
  }

  .sp-nav-btn.btn-green {
    background: var(--accent);
    box-shadow: 0 4px 10px rgba(129, 199, 132, 0.3);
  }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
  }

  .nav-overlay.is-active {
    opacity: 1;
    visibility: visible;
  }
}