/* メインスタイル */

/* フォント定義 - PageSpeed最適化 */
@font-face {
  font-family: "ZenKakuGothicNew";
  src: url("../fonts/ZenKakuGothicNew-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD, U+3040-309F, U+30A0-30FF, U+4E00-9FAF;
}

@font-face {
  font-family: "ZenKakuGothicNew";
  src: url("../fonts/ZenKakuGothicNew-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD, U+3040-309F, U+30A0-30FF, U+4E00-9FAF;
}

@font-face {
  font-family: "ShipporiMincho";
  src: url("../fonts/ShipporiMincho-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD, U+3040-309F, U+30A0-30FF, U+4E00-9FAF;
}

@font-face {
  font-family: "ShipporiMincho";
  src: url("../fonts/ShipporiMincho-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD, U+3040-309F, U+30A0-30FF, U+4E00-9FAF;
}

@font-face {
  font-family: "DIN2014";
  src: url("../fonts/din-2014-demi.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}

/* 変数定義 */
:root {
  --primary-color: #d4af37;
  --secondary-color: #8b4513;
  --accent-color: #ff6b6b;
  --text-color: #000000;
  --text-light: #666;
  --text-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --bg-black: #000000;
  --border-color: #e9ecef;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
  --border-radius: 8px;
  --transition: all 0.3s ease;
  --font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  --font-serif: "ShipporiMincho", "Noto Serif JP", serif;
  --font-display: "DIN2014", "Arial", sans-serif;
}

/* フォント読み込み制御 - CLS最適化 */
.fonts-loading {
  font-family: "Noto Sans JP", sans-serif;
}

.fonts-loaded {
  font-family: var(--font-family);
}

/* ベーススタイル */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-color);
  position: relative;
  letter-spacing: 0.02em;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 2px;
}

/* ボタンスタイル */
.btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: var(--border-radius);
  font-weight: 500;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1.1rem;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-cta {
  background: linear-gradient(135deg, var(--accent-color), #ff5252);
  color: white;
  font-size: 1.3rem;
  padding: 20px 40px;
  box-shadow: var(--shadow);
}

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

/* ヘッダー */
.header {
  background: transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  background: var(--bg-white);
  box-shadow: var(--shadow);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  width: 100%;
}

.logo-image {
  height: 30px;
  width: auto;
  transition: var(--transition);
}

.header.scrolled .logo-image {
  filter: brightness(0);
}

.nav ul {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav a {
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
  font-family: "DIN2014", "Arial", sans-serif;
}

.header.scrolled .nav a {
  color: var(--text-color);
}

.nav a:hover {
  color: var(--text-white);
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--text-color);
  transition: var(--transition);
}

.nav a:hover::after {
  width: 100%;
}

/* ONLINE SHOPボタン */
.shop-btn {
  background: transparent;
  color: var(--text-white);
  padding: 6px 6px;
  border-radius: 0;
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 150px;
  transition: all 0.3s ease;
  border: 1px solid var(--text-color);
  text-transform: none;
  letter-spacing: normal;
  gap: 0;
  position: relative;
}

.header.scrolled .shop-btn {
  background: var(--text-white);
  border-color: var(--text-color);
  color: var(--text-color) !important;
}

.shop-btn:hover {
  background: var(--text-color);
  color: var(--text-white);
}

.header.scrolled .shop-btn:hover {
  background: var(--text-color) !important;
  color: var(--text-white) !important;
}

.shop-btn i {
  font-size: 12px;
  transition: var(--transition);
  transform: rotate(-45deg);
  flex-shrink: 0;
}

.shop-btn:hover i {
  transform: rotate(-45deg) translate(2px, -2px);
}

.shop-btn::after {
  display: none;
}

/* ヒーローセクション */
.hero {
  padding: 0;
  background: var(--bg-black);
  height: 720px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.6) 0%,
    rgba(0, 0, 0, 0.3) 12%,
    transparent 100%
  );
  z-index: 2;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 720px;
  text-align: center;
}

.hero-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-circle {
  width: 50px;
  height: 50px;
  background-color: var(--text-white);
  border-radius: 50%;
  margin-bottom: 20px;
}

.hero-logo-image {
  max-width: 100%;
  height: auto;
  max-height: 3200px;
  object-fit: contain;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 0.5rem;
  color: var(--text-white);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.9;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1;
  color: var(--text-white);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  margin: 0;
}

.highlight {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sp-br {
  display: none;
}
.pc-br {
  display: block;
}

.price {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.price-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
}

.hero-image {
  text-align: center;
}

/* .product-image {
  max-width: 400px;
  margin: 0 auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hover);
} */

/* 特徴セクション */
.features {
  padding: 100px 15px;
  background: var(--bg-black);
}

.features-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  align-items: center;
}

.features-text {
  color: var(--text-white);
  text-align: left;
  display: flex;
  gap: 4rem;
  align-items: flex-start;
}

.features-title {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 60px;
  font-weight: 500;
  color: var(--text-white);
  margin-bottom: 2rem;
  line-height: 1.3;
  width: 100%;
  letter-spacing: 0.2em;
}

.features-description {
  margin-bottom: 3rem;
  text-align: left;
}

.features-description p {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  color: var(--text-white);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.btn-purchase {
  background: var(--text-white);
  color: var(--text-color);
  padding: 1rem 2rem;
  border-radius: 0;
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  display: inline-block;
  width: 280px;
  text-align: center;
  transition: all 0.3s ease;
  border: 0.5px solid var(--text-color);
  position: relative;
  overflow: visible;
  letter-spacing: 0.1rem;
}

.btn-purchase::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0px;
  width: 55px;
  height: 0.5px;
  background: var(--text-color);
  transform: translateY(-50%);
  transition: all 0.3s ease;
}

.btn-purchase:hover {
  background: var(--text-color);
  color: var(--text-white);
  border-color: var(--text-white);
  box-shadow: 0 1px 4px var(--text-white);
}

.btn-purchase:hover::after {
  width: 65px;
  right: 0px;
  background: var(--text-white);
}

.features-image {
  text-align: right;
  flex-shrink: 0;
}

.product-showcase-image {
  max-width: 100%;
  height: 480px;
  object-fit: cover;
}

/* パララックス背景セクション */
.parallax-section {
  height: 320px;
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("../images/bg_cream.webp");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* 効果・メリットセクション */
.benefits {
  padding: 60px 0;
  background: var(--bg-black);
}

.concerns-header {
  text-align: center;
  margin-bottom: 4rem;
}

.concerns-title {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--text-white);
  margin-bottom: 0.5rem;
  letter-spacing: 0.1rem;
}

.concerns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.concern-item {
  position: relative;
  text-align: center;
}

.concern-image {
  position: relative;
  overflow: hidden;
  border-radius: 0;
}

.concern-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  filter: grayscale(100%);
  transition: var(--transition);
}

.concern-item:hover .concern-image img {
  filter: grayscale(0%);
}

.concern-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 1rem;
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 400;
  color: var(--text-white);
  line-height: 1.6;
  text-align: center;
  width: 90%;
}

/* バブル背景セクション */
.bubble-section {
  height: 600px;
  position: relative;
  overflow: hidden;
  background: var(--bg-black);
}

.bubble-fade-in {
  opacity: 0;
  animation: bubbleFadeIn 2s ease-out 0.5s forwards;
}

@keyframes bubbleFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* CONCEPTセクション */
.concept {
  padding: 60px 0;
  background: var(--bg-black);
  position: relative;
  overflow: hidden;
}

.concept-bubbles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  width: 100%;
  margin: 0 auto;
}

.bubble {
  position: absolute;
  background: radial-gradient(
    circle,
    rgba(212, 175, 55, 0.3) 0%,
    rgba(212, 175, 55, 0.1) 50%,
    transparent 100%
  );
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.bubble-1 {
  width: 160px;
  height: 160px;
  top: 5%;
  left: 16%;
  animation-delay: 0s;
  object-fit: contain;
}

.bubble-2 {
  width: 160px;
  height: 160px;
  top: 10%;
  right: 16%;
  animation-delay: 1s;
  object-fit: contain;
}

.bubble-3 {
  width: 120px;
  height: 120px;
  top: 20%;
  left: 16%;
  animation-delay: 2s;
  object-fit: contain;
}

.bubble-4 {
  width: 150px;
  height: 150px;
  bottom: 20%;
  left: 2%;
  animation-delay: 3s;
}

.bubble-5 {
  width: 100px;
  height: 100px;
  bottom: 15%;
  right: 5%;
  animation-delay: 4s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-20px) scale(1.1);
    opacity: 1;
  }
}

.concept-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.concept-header {
  margin-bottom: 3rem;
}

.concept-label {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-white);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
}

.concept-main {
  margin-bottom: 4rem;
}

.concept-title {
  font-family: "ShipporiMincho";
  font-size: 36px;
  font-weight: 400;
  color: var(--text-white);
  margin-bottom: 1rem;
  line-height: 1.2;
  letter-spacing: 0.2em;
}

.concept-subtitle {
  font-family: "ShipporiMincho";
  font-size: 36px;
  font-weight: 400;
  color: var(--text-white);
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0.2em;
}

.concept-description {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.concept-description p {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 2.5;
  color: var(--text-white);
  margin-bottom: 1.5rem;
  opacity: 0.9;
  font-weight: 400;
  letter-spacing: 0.2em;
}

/* 3ブロック構成のコンテナ */
.concept-blocks {
  padding: 80px 0;
  background: var(--bg-black);
  position: relative;
}

.concept-blocks::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background-image: url("../images/decoration_hexagon.webp");
  background-size: auto 100%;
  background-position: left center;
  background-repeat: no-repeat;
  z-index: 1;
}

.ingredients::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  height: 50%;
  background-image: url("../images/decoration_hexagon_rotation.webp");
  background-size: auto 100%;
  background-position: right bottom;
  background-repeat: no-repeat;
  z-index: 0;
}

.blocks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
  position: relative;
  z-index: 2;
}

.block-item {
  text-align: center;
  padding: 2rem 1rem;
}

.block-image {
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 200px;
}

.block-visual {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
}

.block-visual-1 {
  object-fit: cover;
  border-radius: 50%;
}

.block-visual-2 {
  object-fit: cover;
  border-radius: 50%;
}

.block-visual-3 {
  object-fit: cover;
  border-radius: 50%;
}

.block-number {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.block-text {
  color: var(--text-white);
}

.block-title {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.block-subtitle {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.05em;
}

/* 主な成分セクション */
.ingredients {
  background: var(--bg-black);
  position: relative;
}

.ingredients-title {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--text-white);
  text-align: center;
  position: relative;
  z-index: 2;
  background-color: #000000;
  margin-bottom: -14px;
  width: 200px;
}

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 2rem;
  background: rgb(0, 0, 0);
  width: 100%;
}

.ingredient-item {
  text-align: center;
  padding: 1rem;
}

.ingredient-image {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ingredient-visual {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
}

.ingredient-name {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-white);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.ingredient-description {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: var(--text-white);
  line-height: 1.6;
  opacity: 0.9;
}

.ingredients-list {
  position: relative;
  z-index: 2;
  text-align: left;
  padding: 2rem 0;
}

.ingredients-label {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.ingredients-text {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-white);
  line-height: 1.8;
  opacity: 0.8;
}

/* POINTセクション */
.point {
  padding: 80px 0;
  background-image: url("../images/point_bg.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.point-header {
  text-align: center;
  margin-bottom: 4rem;
}

.point-label {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-color);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  display: block;
  margin-bottom: 2rem;
}

.point-title {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 36px;
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 2rem;
  line-height: 1.5em;
  letter-spacing: 0.1rem;
}

.point-description {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 400;
  color: var(--text-color);
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto 1.5rem auto;
  letter-spacing: 0.2rem;
}

.point-description:last-child {
  margin-bottom: 0;
}

.point-items {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.point-item {
  width: 100%;
  border: 1px solid #000;
  padding: 3rem;
  background-color: #ffffff;
  margin-bottom: 1rem;
}

.point-item-title {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 400;
  color: var(--text-color);
  margin-bottom: 3rem;
  line-height: 1.4;
  text-align: center;
  letter-spacing: 0.2rem;
}

.point-item-title span {
  font-size: 24px;
  font-weight: 400;
}

.point-item-content {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.point-item-image {
  flex-shrink: 0;
  width: 300px;
}

.point-visual {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.point-item-text {
  flex: 1;
}

.point-item-description {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 200;
  color: var(--text-color);
  line-height: 1.8;
  letter-spacing: 0.2rem;
}

.bubble-bg {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1000px;
  height: 100%;
  background-image: url("../images/bubble_bg.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bubble-center-image {
  max-width: 70%;
  max-height: 70%;
  object-fit: contain;
  z-index: 2;
}

/* フッター */
.footer {
  background: #000000;
  color: #ffffff;
  padding: 60px 0 0 0;
  text-align: center;
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 90px;
}

.footer-official {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-white);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
}

.salusmore-logo {
  height: 60px;
  width: auto;
}

.footer-copyright {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 400;
  margin: 0;
}

/* モバイルメニュー */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  align-items: flex-end;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.hamburger-line {
  height: 1px;
  background: var(--text-color);
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger-line:nth-child(1) {
  width: 30px;
}

.hamburger-line:nth-child(2) {
  width: 24px;
}

.hamburger-line:nth-child(3) {
  width: 18px;
}

.mobile-menu-toggle.active .hamburger-line {
  background: var(--text-white);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(30deg) translate(7px, 7px);
  width: 35px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateX(20px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-30deg) translate(7px, -7px);
  width: 35px;
}

.mobile-nav {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: #000000;
  z-index: 1000;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px 20px;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: all 0.4s ease;
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.4s ease 0.1s;
}

.mobile-nav.active .mobile-nav-header {
  opacity: 1;
  transform: translateY(0);
}

.mobile-logo {
  display: flex;
  align-items: center;
}

.mobile-logo-image {
  height: 30px;
  width: auto;
  filter: invert(1);
}

.mobile-close-btn {
  background: transparent;
  border: none;
  color: var(--text-white);
  font-size: 20px;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  flex: 1;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease 0.2s;
}

.mobile-nav.active .mobile-nav-links {
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav-links a {
  color: var(--text-white);
  text-decoration: none;
  font-family: "Oswald", "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.mobile-nav-links a:hover {
  color: var(--primary-color);
}

.mobile-shop-section {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease 0.3s;
}

.mobile-nav.active .mobile-shop-section {
  opacity: 1;
  transform: translateY(0);
}

.mobile-shop-btn {
  background: transparent;
  color: var(--text-white);
  padding: 12px 24px;
  border: 1px solid var(--text-white);
  border-radius: 0;
  font-family: "Oswald", "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-shop-btn:hover {
  background: var(--text-white);
  color: var(--text-color);
}

.arrow-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.mobile-nav-footer {
  display: flex;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease 0.4s;
}

.mobile-nav.active .mobile-nav-footer {
  opacity: 1;
  transform: translateY(0);
}

.mobile-close-text-btn {
  background: transparent;
  border: none;
  color: var(--text-white);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: "Oswald", "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.mobile-close-text-btn i {
  font-size: 16px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .container {
    padding: 0 0px;
  }
  .header-content {
    padding: 1.5rem 15px;
  }
  .logo-image {
    height: 20px;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero {
    padding: 0;
    height: 720px;
  }

  .hero-content {
    height: 720px;
    padding-bottom: 40px;
  }

  .hero-circle {
    width: 40px;
    height: 40px;
    margin-bottom: 15px;
  }

  .hero-logo-image {
    max-height: 300px;
  }

  .hero-description {
    font-size: 1.1rem;
  }

  .sp-br {
    display: block;
  }
  .pc-br {
    display: none;
  }
  .features {
    padding: 60px 0 0 0;
  }

  .features-image {
    width: 100%;
    display: flex;
    justify-content: flex-end;
  }
  .concerns-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 0 15px;
  }

  .concerns-title {
    font-size: 2rem;
  }

  .concern-image img {
    height: 160px;
  }

  .parallax-section {
    height: 120px;
  }

  .parallax-bg {
    height: 120px;
  }

  .concerns-header {
    font-size: 24px;
    width: 100%;
    padding: 0 15px;
  }

  .bubble-section {
    height: 400px;
  }

  .bubble-center-image {
    max-height: 100%;
  }

  .concept {
    padding: 30px 0 0 0;
  }

  .concept-content {
    padding: 0 15px;
  }

  .concept-title {
    font-size: 28px;
  }

  .concept-subtitle {
    font-size: 28px;
  }

  .concept-description {
    text-align: center;
  }

  .concept-description p {
    font-size: 15px;
    margin-bottom: 0;
    text-align: left;
  }
  .concept-main {
    margin-bottom: 30px;
  }

  .concept-blocks {
    padding: 15px 0;
  }

  .blocks-grid {
    grid-template-columns: 1fr;
    gap: 0rem;
    width: 100%;
  }
  .block-image {
    margin: 0;
  }

  .block-visual {
    width: 140px;
    height: 140px;
  }

  .block-number {
    font-size: 1.6rem;
    letter-spacing: 0em;
    margin-bottom: 0;
  }

  .block-title {
    font-size: 18px;
  }

  .block-subtitle {
    font-size: 18px;
  }

  .ingredients {
    padding: 15px 0;
  }

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

  .ingredients-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 15px;
  }

  .ingredient-visual {
    width: 100px;
    height: 100px;
  }
  .ingredient-image {
    margin-bottom: 0.5rem;
  }

  .ingredient-name {
    font-size: 15px;
    margin-bottom: 0.5rem;
  }
  .ingredients-list {
    padding: 1rem 15px;
  }

  .ingredient-description {
    font-size: 13px;
    text-align: left;
  }
  .ingredients::after {
    display: none;
  }

  .bubble-1 {
    width: 50px;
    height: 50px;
    top: 2%;
    left: 5%;
    animation-delay: 0s;
    object-fit: contain;
  }
  .bubble-2 {
    width: 50px;
    height: 50px;
    bottom: 0%;
    right: 5%;
    animation-delay: 0s;
    object-fit: contain;
  }
  .bubble-3 {
    display: none;
  }

  .concept-blocks::before {
    display: none;
  }

  .block-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    padding: 0;
  }

  .ingredient-item {
    padding: 15px 0;
  }

  .point {
    padding: 60px 0 30px 0;
  }

  .point-header {
    padding: 0 15px;
  }

  .point-title {
    font-size: 24px;
    letter-spacing: 0.1rem;
    line-height: 1.5em;
  }

  .point-items {
    padding: 0 15px;
  }

  .point-item {
    padding: 1rem;
  }
  .point-item-title {
    font-size: 16px;
    margin-bottom: 15px;
  }
  .point-item-title span {
    font-size: 20px;
  }
  .point-item-image {
    width: 100%;
  }
  .point-visual {
    height: 250px;
  }
  .point-item-content {
    flex-direction: column;
    gap: 1rem;
  }

  .harecare-header {
    padding: 4rem 15px !important;
  }
  .harecare-title {
    font-size: 24px !important;
  }

  .harecare-description {
    font-size: 16px !important;
    text-align: left;
  }

  .harecare-description p {
    margin-bottom: 0.5rem;
  }
  .harecare-steps {
    margin: 0 15px !important;
  }

  .steps-grid {
    grid-template-columns: none !important;
    margin: 0;
  }
  .step-description {
    max-width: none !important;
  }
  .step-image {
    width: 150px !important;
    height: 160px !important;
  }

  .features-content {
    gap: 2rem;
  }

  .features-text {
    flex-direction: column-reverse;
    gap: 2rem;
  }

  .features-title {
    padding: 0 15px;
    font-size: 48px;
  }

  .features-description p {
    font-size: 15px;
  }

  .product-showcase-image {
    width: 100%;
    padding: 0 0 0 15px;
  }

  .features-description {
    padding: 0 15px;
  }

  .nav ul {
    gap: 1.5rem;
  }

  .nav a {
    font-size: 0.9rem;
  }

  .shop-btn {
    padding: 0.5rem 1rem !important;
    font-size: 0.75rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 1rem;
    width: 100%;
  }

  .btn-cta {
    font-size: 1.1rem;
    padding: 16px 32px;
  }

  .product-header {
    padding-bottom: 3rem;
  }

  .product-container {
    height: 660px !important;
    margin: 0 15px !important;
    padding: 0 !important;
    align-items: flex-end !important;
  }
  .product-image {
    width: 100% !important;
    display: flex;
    justify-content: center;
  }

  .product-content {
    flex-direction: column;
    gap: 1rem !important;
  }
  .product-main-image {
    max-height: 320px !important;
    margin-top: -10px !important;
    margin-left: 0 !important;
  }
  .product-info {
    width: 100% !important;
    padding: 0 30px 30px 30px !important;
    align-items: center !important;
  }
  .btn-purchase-product {
    padding: 1rem 6rem !important;
  }
  .product-name-text {
    font-size: 26px !important;
  }
  .product-details {
    align-items: flex-end;
    width: 100%;
  }
  .product-volume {
    font-size: 20px !important;
  }
  .product-price {
    font-size: 26px !important;
  }
  .contact-content {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  /* モバイルメニューの表示 */
  .mobile-menu-toggle {
    display: flex;
  }

  .nav {
    display: none;
  }

  .header-content {
    padding: 1rem 20px;
  }

  .hero-content {
    padding-bottom: 30px;
  }

  .hero-circle {
    width: 35px;
    height: 35px;
    margin-bottom: 12px;
  }

  .hero-logo-image {
    max-height: 250px;
  }

  .features-title {
    font-size: 36px;
    line-height: 1.5em;
  }

  .features-description p {
    font-size: 14px;
  }

  /* .product-showcase-image {
    height: 280px;
  } */

  .concerns-grid {
    gap: 1rem;
    padding: 0 15px;
  }
  .concern-text {
    font-size: 12px;
    padding: 0;
  }

  .concerns-title {
    font-size: 1.8rem;
    margin: 0;
  }

  .concern-image img {
    height: 120px;
  }

  .bubble-section {
    height: 300px;
  }

  .bubble-center-image {
    max-width: 80%;
    max-height: 90%;
  }

  .concept {
    padding: 60px 0;
  }

  .concept-title {
    font-size: 22px;
  }

  .concept-subtitle {
    font-size: 22px;
  }

  .concept-description p {
    font-size: 14px;
  }
  .block-item {
    gap: 1.5rem;
    height: 120px;
    justify-content: flex-start;
  }
  .block-text {
    text-align: left;
  }
  .blocks-grid {
    width: auto;
  }
  .block-visual {
    width: 100px;
    height: 100px;
  }

  .ingredients {
    padding: 30px 0;
  }

  .ingredients-grid {
    gap: 2rem;
  }

  .ingredient-visual {
    width: 80px;
    height: 80px;
  }

  .ingredient-name {
    font-size: 14px;
  }

  .ingredient-description {
    font-size: 12px;
  }

  .point {
    padding: 40px 0;
  }

  .point-title {
    font-size: 24px;
  }

  .point-description {
    font-size: 14px;
    letter-spacing: 0.1rem;
    margin-bottom: 1rem;
    text-align: left;
  }

  .point-item {
    margin-bottom: 0;
    gap: 1rem;
    padding: 1rem;
  }

  .point-item-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }

  .point-item-title span {
    font-size: 1.3rem;
  }

  .point-visual {
    height: 160px;
  }

  .point-item-description {
    font-size: 14px;
    letter-spacing: 0.1rem;
    text-align: left;
  }

  .point {
    padding: 60px 0;
  }

  .point-title {
    font-size: 28px;
  }

  .point-description {
    font-size: 15px;
    letter-spacing: 0.15rem;
    margin-bottom: 1.2rem;
  }

  .point-item-content {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .point-item-image {
    width: 100%;
    max-width: 400px;
  }

  .point-visual {
    height: 180px;
  }

  .point-item-description {
    font-size: 15px;
    letter-spacing: 0.15rem;
  }

  .nav ul {
    gap: 1rem;
  }

  .nav a {
    font-size: 0.8rem;
  }

  .shop-btn {
    padding: 0.4rem 0.8rem !important;
    font-size: 0.65rem;
  }

  .logo-image {
    height: 35px;
  }

  .harecare-title {
    font-size: 28px;
  }

  .harecare-description p {
    font-size: 14px;
    line-height: 2;
  }

  .harecare-steps {
    padding: 40px 0 60px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .step-illustration {
    height: 150px;
    margin-bottom: 1.5rem;
  }

  .step-image {
    width: 100px;
    height: 100px;
  }

  .figure-head {
    width: 35px;
    height: 35px;
    top: 15px;
  }

  .figure-hair {
    width: 50px;
    height: 35px;
    top: 30px;
  }

  .figure-bubbles .bubble {
    width: 6px;
    height: 6px;
  }

  .figure-bubbles .bubble:nth-child(1) {
    left: -12px;
  }

  .figure-bubbles .bubble:nth-child(3) {
    left: 12px;
  }

  .figure-hands {
    top: 40px;
  }

  .hand-left,
  .hand-right {
    width: 12px;
    height: 16px;
  }

  .hand-left {
    left: -16px;
  }

  .hand-right {
    right: -16px;
  }

  .figure-product {
    width: 6px;
    height: 10px;
    top: 50px;
  }

  .figure-dryer {
    width: 20px;
    height: 12px;
    top: 45px;
    right: -25px;
  }

  .figure-dryer::after {
    left: -6px;
    width: 6px;
    height: 1px;
  }

  .step-label {
    padding: 6px 12px;
    margin-bottom: 1.5rem;
  }

  .step-number {
    font-size: 12px;
  }

  .step-description {
    max-width: 100%;
  }

  .step-description p {
    font-size: 15px !important;
    line-height: 1.5 !important;
    letter-spacing: 0.1em !important;
  }

  /* 商品セクション レスポンシブ */
  .product-section {
    padding: 60px 0;
  }

  .product-container {
    padding: 40px 20px;
  }

  .product-content {
    flex-direction: column;
    gap: 2rem;
  }

  .product-title {
    font-size: 24px;
  }

  .brand-name {
    font-size: 20px;
  }

  .product-main-image {
    max-height: 300px;
  }

  /* Contactセクション レスポンシブ */
  .contact-section {
    padding: 60px 0;
  }

  .contact-container {
    padding: 40px 20px;
  }

  .contact-content {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .contact-text p {
    font-size: 14px;
  }

  .point-header {
    margin-bottom: 1rem;
  }
  .steps-header {
    margin-bottom: 1.5rem !important;
  }

  .btn-purchase-product {
    padding: 1rem 5rem !important;
  }

  .salusmore-logo {
    height: 40px;
  }

  /* モバイル用スクロールアニメーション最適化 */
  .scroll-section {
    padding: 20px 0;
  }

  .scroll-track {
    animation-duration: 400s !important;
  }

  .scroll-image {
    height: 40px;
    margin-right: 10px;
  }
}

/* スクロールアニメーション */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* アニメーション用のクラス */
.scroll-animate {
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-animate.fade-in-up {
  transform: translateY(30px);
  transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-animate.fade-in-left {
  transform: translateX(-30px);
  transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-animate.fade-in-right {
  transform: translateX(30px);
  transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-animate.fade-in-scale {
  transform: scale(0.95);
  transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-animate.animate {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* 遅延アニメーション */
.scroll-animate.delay-1 {
  transition-delay: 0.2s;
}

.scroll-animate.delay-2 {
  transition-delay: 0.4s;
}

.scroll-animate.delay-3 {
  transition-delay: 0.6s;
}

.scroll-animate.delay-4 {
  transition-delay: 0.8s;
}

.scroll-animate.delay-5 {
  transition-delay: 1s;
}
.scroll-animate.delay-6 {
  transition-delay: 1.2s;
}

/* スムーススクロール */
html {
  scroll-behavior: smooth;
}

/* ローディング状態 */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* HareCareセクション */
.harecare {
  background: var(--bg-black);
  background-image: url("../images/harecare_bg.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.harecare-header {
  padding: 80px 0 60px;
  text-align: center;
}

.harecare-brand {
  margin-bottom: 2rem;
}

.harecare-label {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-white);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
}

.harecare-title {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 36px;
  font-weight: 500;
  color: var(--text-white);
  margin-bottom: 3rem;
  line-height: 1.3;
  letter-spacing: 0.1em;
}

.harecare-description {
  width: 100%;
  margin: 0 auto;
}

.harecare-description p {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 18px;
  line-height: 2.2;
  color: var(--text-white);
  margin-bottom: 1rem;
  opacity: 0.9;
  font-weight: 400;
  letter-spacing: 0.2rem;
}

.harecare-description p:last-child {
  margin-bottom: 0;
}

.harecare-steps {
  background: var(--bg-white);
  padding: 40px 0;
  max-width: 960px;
  margin: 0 auto;
}

.harecare-steps .container {
  padding: 0 40px;
}

.steps-header {
  text-align: center;
  margin-bottom: 4rem;
}

.steps-label {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-color);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  max-width: 960px;
  margin: 0 auto;
}

.step-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-illustration {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-image {
  width: 120px;
  height: 140px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-illustration-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.step-figure {
  position: relative;
  width: 100%;
  height: 100%;
}

/* ステップ1のイラスト */
.figure-head {
  width: 40px;
  height: 40px;
  background: var(--text-color);
  border-radius: 50%;
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
}

.figure-hair {
  width: 60px;
  height: 40px;
  background: var(--text-color);
  position: absolute;
  top: 35px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 0 0 30px 30px;
}

.figure-bubbles {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
}

.figure-bubbles .bubble {
  width: 8px;
  height: 8px;
  background: var(--text-color);
  border-radius: 50%;
  position: absolute;
  opacity: 0.6;
}

.figure-bubbles .bubble:nth-child(1) {
  top: 0;
  left: -15px;
  animation: bubble-float 2s ease-in-out infinite;
}

.figure-bubbles .bubble:nth-child(2) {
  top: -5px;
  left: 0;
  animation: bubble-float 2s ease-in-out infinite 0.5s;
}

.figure-bubbles .bubble:nth-child(3) {
  top: 0;
  left: 15px;
  animation: bubble-float 2s ease-in-out infinite 1s;
}

/* ステップ2のイラスト */
.figure-hands {
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
}

.hand-left,
.hand-right {
  width: 15px;
  height: 20px;
  background: var(--text-color);
  position: absolute;
  border-radius: 0 0 8px 8px;
}

.hand-left {
  left: -20px;
  transform: rotate(-20deg);
}

.hand-right {
  right: -20px;
  transform: rotate(20deg);
}

.figure-product {
  width: 8px;
  height: 12px;
  background: var(--primary-color);
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

/* ステップ3のイラスト */
.figure-dryer {
  width: 25px;
  height: 15px;
  background: var(--text-color);
  position: absolute;
  top: 55px;
  right: -30px;
  border-radius: 8px;
  transform: rotate(15deg);
}

.figure-dryer::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -8px;
  width: 8px;
  height: 2px;
  background: var(--text-color);
  transform: translateY(-50%);
}

.step-label {
  background: #666;
  color: var(--text-white);
  padding: 0px 16px;
  margin-bottom: 0.5rem;
  position: relative;
  width: 100%;
  clip-path: polygon(
    0 0,
    calc(100% - 10px) 0,
    100% 50%,
    calc(100% - 10px) 100%,
    0 100%
  );
}

.step-label-final {
  background: var(--text-color);
  clip-path: none;
}

.step-number {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.step-description {
  max-width: 280px;
}

.step-description p {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-color);
  margin-bottom: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-align: left;
}

.step-description p:last-child {
  margin-bottom: 0;
}

@keyframes bubble-float {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

/* 商品セクション */
.product-section {
  background: var(--bg-black);
  padding: 80px 0;
}

.product-container {
  max-width: 960px;
  margin: 0 auto;
  background: #f5f5f5;
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.product-label {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-white);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
}

.product-content {
  display: flex;
  align-items: center;
  gap: 2rem;
  width: 100%;
}

.product-image {
  width: 48%;
  text-align: center;
}

.product-main-image {
  max-width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: contain;
  margin-top: -80px;
  margin-left: -30px;
}

.product-info {
  width: 30%;
  display: flex;
  flex-direction: column;
  gap: 0rem;
}

.product-title {
  font-family: "ShipporiMincho", "Noto Serif JP", serif;
  font-size: 26px;
  font-weight: 500;
  color: var(--text-color);
  line-height: 1.3;
  letter-spacing: 0.4em;
  margin-bottom: 1rem;
}

.product-name {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brand-name {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: var(--text-color);
  letter-spacing: 0.1em;
}

.product-name-text {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 400;
  color: var(--text-color);
  letter-spacing: 0.05em;
}

.product-divider {
  width: 100%;
  height: 1px;
  background: #000000;
  margin-top: 20px;
  margin-bottom: 12px;
}

.product-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-volume {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: var(--text-color);
}

.product-price {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 28px;
  font-weight: 200;
  color: var(--text-color);
}

.tax-included {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 400;
  opacity: 0.8;
}

.product-cta {
  margin-top: 1rem;
}

.btn-purchase-product {
  background: var(--text-color);
  color: var(--text-white);
  padding: 1rem 2rem;
  border-radius: 0;
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  display: block;
  width: 100%;
  text-align: center;
  transition: all 0.3s ease;
  border: 0.5px solid var(--text-color);
  position: relative;
  overflow: visible;
}

.btn-purchase-product::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0px;
  width: 55px;
  height: 0.5px;
  background: var(--text-white);
  transform: translateY(-50%);
  transition: all 0.3s ease;
}

.btn-purchase-product:hover {
  background: var(--text-white);
  color: var(--text-color);
  border-color: var(--text-color);
}

.btn-purchase-product:hover::after {
  width: 65px;
  right: 0px;
  background: var(--text-color);
}

/* Line背景セクション */
.line-section {
  width: 100%;
  padding: 0;
  margin: 0;
}

.line-bg-image {
  width: 100%;
  height: auto;
  display: block;
}

/* スクロール画像セクション */
.scroll-section {
  width: 100%;
  overflow: hidden;
  background: var(--bg-black);
  padding: 40px 0;
  position: relative;
}

.scroll-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.scroll-track {
  display: flex;
  width: max-content;
  will-change: transform;
  backface-visibility: hidden;
  transform: translateZ(0);
}

.scroll-track-top {
  animation: scroll-left 300s linear infinite;
}

.scroll-track-bottom {
  animation: scroll-right 300s linear infinite;
}

.scroll-image {
  width: auto;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0;
  margin-right: 15px;
  will-change: transform;
  backface-visibility: hidden;
}

@keyframes scroll-left {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-100%, 0, 0);
  }
}

@keyframes scroll-right {
  0% {
    transform: translate3d(-20%, 0, 0);
  }
  100% {
    transform: translate3d(-100%, 0, 0);
  }
}

/* Contactセクション */
.contact-section {
  background: var(--bg-black);
  padding: 80px 0;
}

.contact-container {
  max-width: 960px;
  margin: 0 auto;
  border: 1px solid var(--text-white);
  padding: 40px 40px;
  position: relative;
}

.contact-header {
  text-align: center;
  margin-bottom: 2rem;
}

.contact-label {
  font-family: "DIN2014", "Arial", sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-white);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
}

.contact-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.contact-text {
  flex: 1;
}

.contact-text p {
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-white);
  margin-bottom: 1rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.contact-text p:last-child {
  margin-bottom: 0;
}

.contact-cta {
  flex-shrink: 0;
}

.btn-contact {
  background: var(--text-white);
  color: var(--text-color);
  padding: 12px 24px;
  border-radius: 0;
  font-family: "ZenKakuGothicNew", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 260px;
  transition: all 0.3s ease;
  border: 1px solid var(--text-white);
}

.btn-contact:hover {
  background: var(--text-color);
  color: var(--text-white);
}

.btn-text {
  flex: 1;
  text-align: center;
  font-family: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
}

.btn-contact i {
  font-size: 12px;
  transition: var(--transition);
  transform: rotate(-45deg);
  flex-shrink: 0;
}

.btn-contact:hover i {
  transform: rotate(-45deg) translate(2px, -2px);
}

/* ホバーエフェクト */
.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-5px);
}