@charset "UTF-8";

:root {
  /* 配色: 白、ネイビー、ゴールド */
  --primary: #0f284b;
  /* ネイビー (メイン) */
  --primary-dark: #0a192f;
  /* 濃いネイビー */
  --primary-light: #1e3a8a;
  /* 明るめのネイビー */
  --primary-pale: #f0f4f8;
  /* 淡いブルーグレー (背景用) */

  --accent: #b8964d;
  /* ゴールド (アクセント) */
  --accent-hover: #d4ae56;
  /* ゴールド明るめ */
  --accent-light: #fdfbf5;
  /* 極薄いゴールド */

  --bg-color: #ffffff;
  /* 白 (背景) */
  --bg-gray: #fafbfc;
  /* さらに透明感のある薄いブルーグレー */

  --white: #ffffff;
  --text-main: #333333;
  /* メインテキスト */
  --text-muted: #666666;
  /* サブテキスト */
  --border: #ebeef2;
  /* ボーダー（極薄く） */

  --line-color: #06C755;
  /* LINEブランドカラー */

  /* フォント */
  --font-gothic: 'Noto Sans JP', sans-serif;
  --font-mincho: 'Noto Serif JP', serif;
}

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

html {
  scroll-behavior: smooth;
}

/* 本文のフォントサイズ（PC: 16px, SP: 14px） */
body {
  font-family: var(--font-gothic);
  background: var(--bg-color);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.8;
  font-size: 16px;
  letter-spacing: 0.08em;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  pointer-events: none;
}

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

.font-mincho {
  font-family: var(--font-mincho);
}

.sp-only {
  display: none;
}

@media (max-width: 768px) {
  .sp-only {
    display: block;
  }

  .pc-only {
    display: none;
  }
}

.overflow-hidden {
  overflow: hidden;
}

.bg-image-section {
  position: relative;
  background-image: url('../img/bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: 0;
}

.bg-image-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.5);
  z-index: -1;
}

/* iOS Safari向けのパララックス(固定背景)対応 */
@supports (-webkit-touch-callout: none) {
  .bg-image-section {
    background-image: none;
    clip-path: inset(0);
  }
  
  .bg-image-section::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('../img/bg.jpg');
    background-size: cover;
    background-position: center;
    z-index: -2;
    pointer-events: none;
  }
}

/* ==========================================================
   Header
========================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  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;
  border-bottom: 1px solid var(--border);
}

.header-logo {
  display: flex;
  align-items: center;
  font-family: var(--font-mincho);
  font-size: 24px;
  font-weight: 900;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 0.1em;
}

.header-logo img {
  vertical-align: middle;
  height: 70px;
  width: auto;
}

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

.header-nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

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

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

.header-actions {
  display: flex;
  gap: 15px;
}

.btn-header-tel,
.btn-header-line {
  padding: 10px 24px;
  border-radius: 0;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
}

.btn-header-tel {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: var(--white);
}

.btn-header-tel:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-header-line {
  background: var(--line-color);
  color: var(--white);
  border: 1px solid var(--line-color);
}

.btn-header-line:hover {
  background: #05a044;
  border-color: #05a044;
}

.header-line-logo {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

/* ハンバーガーメニュー */
.hamburger-btn {
  display: none;
}

.sp-nav {
  display: none;
}

.nav-overlay {
  display: none;
}

@media (max-width: 1024px) {
  .site-header {
    padding: 0 20px;
    height: 70px;
  }

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

  .header-right {
    display: none;
  }

  .hamburger-btn {
    display: block;
    position: relative;
    width: 30px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 2100;
  }

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

  .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 {
    display: block;
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--primary);
    z-index: 2050;
    padding: 25px 30px;
    transition: right 0.4s ease-in-out;
    overflow-y: auto;
  }

  .sp-nav-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 30px;
  }

  .sp-nav-close {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
  }

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

  .sp-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .sp-nav-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .sp-nav-list li a {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    display: block;
    padding: 20px 10px;
  }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
  }

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

/* ==========================================================
   FV (Hero)
========================================================== */
.hero {
  position: relative;
  padding-top: 80px;
  /* PC Fixed Header Height */
  width: 100%;
  background-color: var(--white);
}

@media (max-width: 1024px) {
  .hero {
    padding-top: 70px;
    /* SP Fixed Header Height */
  }
}

.hero picture {
  display: block;
  width: 100%;
}

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

/* FV要素は画像のみのため、テキストや波のスタイルは削除済 */

/* ==========================================================
   Sections Common
========================================================== */
.section {
  padding: 100px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }
}

.inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.sec-title-wrap {
  text-align: center;
  margin-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sec-label {
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
  display: inline-block;
  text-transform: uppercase;
}

.sec-title {
  font-size: clamp(24px, 3vw, 32px);
  color: var(--primary);
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.sec-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background-color: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* ==========================================================
   Troubles
========================================================== */
.troubles {
  background: linear-gradient(rgba(15, 40, 75, 0.5), rgba(15, 40, 75, 0.5)), url('../img/worrybg.jpg') center/cover no-repeat;
  padding: 100px 0;
  position: relative;
  z-index: 20;
  color: var(--white);
}

@media (max-width: 768px) {
  .troubles {
    padding: 70px 0;
    background-position: 60% center;
  }
}

.trouble-box {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0;
  padding: 50px;
  width: 100%;
  margin: 0 auto;
  backdrop-filter: blur(5px);
}

@media (max-width: 1024px) {
  .trouble-box {
    padding: 30px 20px;
  }
}

.trouble-title {
  text-align: center;
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 40px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

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

@media (max-width: 768px) {
  .trouble-list {
    grid-template-columns: 1fr;
  }
}

.trouble-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  font-weight: 400;
  background: rgba(255, 255, 255, 0.03);
  padding: 20px;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.trouble-list li svg {
  color: var(--accent);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

/* ==========================================================
   About
========================================================== */
.about-wrap {
  display: flex;
  gap: 50px;
  align-items: center;
}

@media (max-width: 768px) {
  .about-wrap {
    flex-direction: column;
    gap: 30px;
  }
}

.about-img {
  flex: 1;
  position: relative;
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 0;
  box-shadow: 0 15px 40px rgba(15, 40, 75, 0.08);
}

.about-content {
  flex: 1.2;
}

.about-content p {
  text-align: justify;
}

/* ==========================================================
   Service (画像付きグリッド)
========================================================== */
.service-bg {
  background: var(--bg-gray);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .service-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
}

.service-card {
  background: var(--white);
  border: none;
  border-radius: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 10px 30px rgba(15, 40, 75, 0.04);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(15, 40, 75, 0.1);
}

.service-img {
  width: 100%;
  height: 290px;
  object-fit: cover;
  border-bottom: 1px solid rgba(184, 150, 77, 0.2);
}

@media (max-width: 1024px) {
  .service-img {
    height: 200px;
  }
}

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

.service-num {
  font-family: var(--font-gothic);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 10px;
  font-weight: 700;
}

.service-name {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.service-desc {
  font-size: 16px;
  text-align: left;
  line-height: 1.8;
  color: var(--text-muted);
  flex: 1;
}

@media (max-width: 768px) {
  .service-desc {
    font-size: 14px;
  }
}

.service-note {
  font-size: 12px;
  color: #999;
  margin-top: 15px;
  text-align: left;
  display: block;
}

/* ==========================================================
   Price
========================================================== */
.price-set-box {
  background: var(--accent-light);
  border: none;
  border-radius: 0;
  margin-bottom: 60px;
  position: relative;
  display: flex;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(184, 150, 77, 0.08);
}

@media (max-width: 768px) {
  .price-set-box {
    flex-direction: column;
  }
}

.price-set-img {
  flex: 1;
  min-height: 250px;
  position: relative;
}

.price-set-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.price-set-content {
  flex: 1.2;
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 768px) {
  .price-set-content {
    padding: 10px 20px 40px;
  }
}

.price-set-badge {
  position: absolute;
  top: 20px;
  left: -10px;
  background: var(--accent);
  color: var(--white);
  padding: 8px 30px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 10;
}

@media (max-width: 768px) {
  .price-set-badge {
    top: auto;
    bottom: 20px;
    left: 0;
  }
}

.price-set-title {
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 15px;
  font-family: var(--font-mincho);
  font-weight: 700;
}

.price-set-price {
  font-size: 32px;
  color: var(--primary);
  font-weight: 900;
  margin-bottom: 20px;
  font-family: var(--font-gothic);
}

.price-set-price span {
  font-size: 14px;
  font-weight: 500;
}

.price-set-desc {
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.8;
  text-align: justify;
}

.price-set-discount {
  display: inline-block;
  background: var(--white);
  color: #d32f2f;
  padding: 8px 15px;
  border: 1px solid #d32f2f;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: 15px;
  font-size: 13px;
  align-self: flex-start;
}

.price-tables {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.price-table-title {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 15px;
  font-weight: 700;
  border-left: 4px solid var(--accent);
  padding-left: 10px;
  text-align: left;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.price-table th,
.price-table td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {

  .price-table th,
  .price-table td {
    padding: 15px 10px;
  }
}

.price-table th {
  text-align: left;
  font-weight: 500;
  color: var(--text-main);
}

.price-table td {
  text-align: right;
  font-weight: 700;
  color: var(--primary);
}

.price-notes {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg-gray);
  padding: 20px;
  border-radius: 4px;
  text-align: left;
}

.price-notes li {
  margin-left: 1.5em;
  list-style-type: none;
  text-indent: -1em;
  margin-bottom: 5px;
}

/* ==========================================================
   Message
========================================================== */
.message-wrap {
  display: flex;
  gap: 80px;
  align-items: stretch;
}

@media (max-width: 768px) {
  .message-wrap {
    flex-direction: column;
    gap: 40px;
  }
  .message-img img {
    height: 300px;
  }
}

.message-img {
  flex: 1;
}

.message-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: none;
  border-radius: 0;
  box-shadow: 0 20px 50px rgba(15, 40, 75, 0.1);
}

.message-content {
  flex: 1.2;
}

.message-title {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 30px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .message-title {
    font-size: 26px;
  }
}

.message-content p {
  margin-bottom: 40px;
  color: var(--text-main);
  font-size: 15px;
}

.btn-contact-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--line-color);
  color: var(--white);
  padding: 18px 45px;
  border-radius: 0;
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn-contact-line:hover {
  background: #05a044;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(6, 199, 85, 0.2);
}

.line-logo-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

/* ==========================================================
   CTA Section
========================================================== */
.cta-section {
  background: var(--primary);
  color: var(--white);
  padding: 100px 0;
  text-align: center;
}

@media (max-width: 768px) {
  .cta-section {
    padding: 70px 0;
  }
}

.cta-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.cta-title {
  font-family: var(--font-mincho);
  font-size: 28px;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.cta-desc {
  font-size: 15px;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.8);
}

.cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

@media (max-width: 768px) {
  .cta-actions {
    flex-direction: column;
    gap: 30px;
  }
}

.cta-tel-wrap {
  text-align: center;
}

.cta-tel {
  display: block;
  font-size: 48px;
  font-family: var(--font-gothic);
  font-weight: 900;
  color: var(--accent);
  text-decoration: none;
  line-height: 1.2;
  margin-bottom: 5px;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .cta-tel {
    font-size: 36px;
  }
}

.cta-time {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================
   Staff
========================================================== */
.staff-bg {
  background: var(--bg-gray);
}

.staff-list {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.staff-card {
  flex: 1;
  min-width: 300px;
  max-width: 480px;
  background: var(--white);
  padding: 30px;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
  display: flex;
  gap: 25px;
  align-items: flex-start;
  border: 1px solid var(--border);
}

@media (max-width: 480px) {
  .staff-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

.staff-img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--accent);
}

.staff-info h4 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 12px;
  font-family: var(--font-mincho);
}

.staff-info h4 span {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-top: 4px;
  font-family: var(--font-gothic);
}

.staff-info p {
  font-size: 16px;
  color: var(--text-main);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .staff-info p {
    font-size: 14px;
    text-align: left;
  }
}

/* ==========================================================
   Store / Access
========================================================== */
.store-container {
  display: flex;
  gap: 50px;
  background: var(--white);
  padding: 50px;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border);
}

@media (max-width: 768px) {
  .store-container {
    flex-direction: column;
    padding: 30px 20px;
    gap: 30px;
  }
}

.store-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.store-info h3 {
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 25px;
  font-family: var(--font-mincho);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 10px;
  display: inline-block;
}

.store-info-table {
  width: 100%;
  border-collapse: collapse;
}

.store-info-table th,
.store-info-table td {
  padding: 15px 0;
  border-bottom: 1px dotted var(--border);
  text-align: left;
}

.store-info-table th {
  width: 100px;
  font-weight: 700;
  color: var(--primary);
}

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

.btn-sns-insta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #E1306C;
  color: var(--white);
  padding: 12px 24px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  margin-top: 25px;
  transition: opacity 0.3s;
}

.btn-sns-insta:hover {
  opacity: 0.8;
}

.map-container {
  flex: 1;
  border-radius: 4px;
  overflow: hidden;
  min-height: 300px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: none;
}

@media (max-width: 1024px) {
  .map-container {
    height: 250px;
    min-height: auto;
  }
}

/* ==========================================================
   Footer & Fixed CTA
========================================================== */
.site-footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: 30px 0;
  text-align: center;
}

@media (max-width: 768px) {
  .site-footer {
    padding-bottom: 90px;
  }
}

.sp-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 1500;
  background: var(--white);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
  .sp-sticky-cta {
    display: flex;
  }

  .sp-sticky-cta a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 5px;
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    color: var(--white);
    gap: 4px;
  }

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

  .sp-sticky-cta .btn-cta-line {
    background: var(--line-color);
  }

  .sp-sticky-cta svg {
    width: 22px;
    height: 22px;
  }
}

/* ==========================================================
   Back to Top
========================================================== */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

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

.back-to-top:hover {
  background: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .back-to-top {
    width: 45px;
    height: 45px;
    right: 15px;
    bottom: 90px;
  }
}