@charset "UTF-8";

html,body {
	overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

.fix_btn {
	display: none;
}

body{
	font-family: "LINE Seed JP", sans-serif;
	min-width: 1100px;
	margin: 0 auto;
	color: #4b4b4b;
	background: #F9F9F9;
	transition: background-color 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

body.is-bg-active {
  background-color: #f0f7ff;
}

.js-scroll-move-right,
.js-scroll-move-left {
  transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.bg_ripple {
    position: relative;
    overflow: hidden;
}
:root {
    /* 波紋の色、太さ、最大サイズの設定 */
    --ripple-color: #999; /* 清潔感のある医薬品ブルー（透過させます） */
    --ripple-size: 700px;    /* 波紋が広がる最大直径 */
    --ripple-width: 1px;    /* 線の太さ */
    --ripple-duration: 3s;   /* 1つの波紋が消えるまでの時間（ゆっくり） */
  }

  /* 波紋全体を囲むコンテナ（中央配置用） */
  .ripple-container {
    position: absolute;
    width: var(--ripple-size);
    height: var(--ripple-size);
    display: flex;
    justify-content: center;
    align-items: center;
    left: -6%;
    top: 50%;
  }
  .ripple-container-2 {
    position: absolute;
    width: var(--ripple-size);
    height: var(--ripple-size);
    display: flex;
    justify-content: center;
    align-items: center;
    right: -5%;
    top: 35%;
  }

  /* 波紋本体と、その時間差を作る擬似要素 */
  .ripple,
  .ripple::after {
    content: ''; /* 擬似要素用 */
    position: absolute;
    /* 最初は中心に、サイズ0で配置 */
    width: 0;
    height: 0;
    /* 透過させた色で、シンプルな線を描く */
    border: var(--ripple-width) solid rgba(0,0,0,0.3); /* rgbaで初期透過度を設定 */
    border-radius: 50%; /* 正円にする */
    /* アニメーション設定：ゆっくり広がり（ease-out）、無限ループ（infinite） */
    animation: ripple-animation var(--ripple-duration) ease-out infinite;
    opacity: 0; /* 最初は透明 */
    box-sizing: border-box; /* 線の太さをサイズに含める */
  }

  /* 2つ目の波紋（時間差を作る） */
  .ripple::after {
    /* 1つ目の波紋が半分くらい広がった時にスタートさせる */
    animation-delay: calc(var(--ripple-duration) / 2);
  }

  /* 波紋のアニメーション定義 */
  @keyframes ripple-animation {
    0% {
      /* 中心からスタート */
      width: 0;
      height: 0;
      opacity: 0; /* まだ見えない */
    }
    5% {
      /* 動き出しの一瞬だけ、パッと不透明度を上げる */
      opacity: 1;
    }
    100% {
      /* 最大サイズまで広がりながら、完全に消える */
      width: var(--ripple-size);
      height: var(--ripple-size);
      opacity: 0; /* 完全に透明に */
    }
  }

.js-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s cubic-bezier(0.22, 1, 0.36, 1), 
              transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

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

#opening {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
	overflow: hidden;
}

.opening-content {
  text-align: center;
  z-index: 2;
}

.opening-text {
  font-size: 1.5rem;
  letter-spacing: 5px;
  color: #4b4b4b;
  opacity: 0;
  margin-bottom: 20px;
  font-family: "Federo", sans-serif;
}

.opening-line {
  width: 0%;
  height: 1px;
  background-color: #4b4b4b;
  margin: 0 auto;
}

/* SVGマスクの設定 */
.opening-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: destination-out; /* 背景を円形に切り抜く設定 */
}

#opening {
  background-color: #fff;
  /* destination-outを機能させるためにコンテナを分離 */
}

#main-visual {
  width: 100%;
  height: 120vh;
  display: flex;
  justify-content: center;
  position: absolute;
  align-items: center;
  min-height: 800px;
	overflow: hidden;
}

/* 対象要素のベーススタイル */
.js-scroll-zoom-blur {
  transition: filter 0.5s ease-out, transform 0.5s ease-out; /* 動きを滑らかに */
  will-change: transform, filter; /* ブラウザの描画を最適化 */
  overflow: hidden; /* 拡大時のはみ出し防止（親要素に推奨） */
}

/* 画像などに適用する場合の推奨設定 */
.js-scroll-zoom-blur img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-image {
  position: absolute;
  top: -5%;
  left: -5%;
  width: 110%;
  height: 110%;
  min-height: 800px;
  background-size: cover;
  background-position: center;
  transform: scale(1.2);
}

.hero-image img {
    object-fit: cover;
    height: 100%;
    width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 10px 0;
  height: auto;
  background-color: rgba(255, 255, 255, 0.85); /* ほんのり透ける白 */
  backdrop-filter: blur(10px); /* 背後をぼかすと高級感が出ます */
  /* box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05); */
  z-index: 1000;
  
  /* 初期状態：上に隠す */
  transform: translateY(-100%);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* スクロール後に付与するクラス */
.site-header.is-show {
  transform: translateY(0);
}

/* レイアウト用 */
.fix-header-inner {
  max-width: 96%;
  height: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
  min-width: 1100px;
}

.fix-header-inner .header_logo {
    font-size: 1.6rem;
}

#fix-header .header_contact a {
    padding: 10px 25px!important;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 30px 40px;
    min-width: 1200px;
    position: absolute;
    align-items: center;
    width: 100%;
    margin: 0 auto;
    z-index: 99;
}

.header_logo {
    font-family: "Federo", sans-serif;
    font-size: 2rem;
    letter-spacing: 3px;
}

.header_logo a {
    display: block;
    font-size: 2rem;
    color: #4b4b4b;
}

ul.header_menu {
    display: flex;
    align-items: center;
}

ul.header_menu li a {
    display: flex;
    color: #4b4b4b;
    align-items: center;
	background-image: linear-gradient(#4b4b4b, #4b4b4b);
	  background-repeat: no-repeat;
	  background-position: bottom right;
	  background-size: 0 1px;
	  transition: background-size 0.3s;
}

ul.header_menu li a:hover {
  background-position: bottom left;
  background-size: 100% 1px;
}

ul.header_menu li {
    margin: 0 15px;
}

.header_contact a {
    padding: 12px 30px;
    background: #293B6C;
    color: #fff!important;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    transition: color 0.3s ease;
    isolation: isolate;
    border-radius: 100px;
}

.header_contact a::before {
  content: '';
  position: absolute;
  inset: 0;
   background: #556695;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s ease;
  z-index: -1;
	border-radius: 100px;
}

.header_contact a:hover {
  color: #fff;
}

.header_contact a:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

ul.header_menu li a img {
    width: 20px;
    margin-right: 10px;
}

ul.product_cta li a img {
    width: 20px;
    margin-right: 10px;
}

ul.header_menu li:last-child {
    margin-right: 0;
}

.fv_inner {
    width: 68%;
    margin: 0 auto;
    display: -webkit-flex;
    z-index: 99;
}

.fv_inner_cap h1 {
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
    font-size: 2.5rem;
    line-height: 4.2rem;
    writing-mode: tb-rl;
    margin-bottom: 30px;
    margin-left: -10px;
    letter-spacing: 10px;
}

.fv_inner_cap p {
    font-size: 1.5rem;
    line-height: 3.5rem;
    margin: 40px 0 0;
    letter-spacing: 1px;
}

.fv_cap_right {
    position: absolute;
    right: 0;
}

.fv_cap_left, .fv_cap_right {
    height: 80vh;
    position: absolute;
}

section.product {
    margin-top: -10%;
    position: relative;
}

.fv_cap_left img, .fv_cap_right img {
    height: 100%;
    width: auto!important;
}

section.fv {
    height: 120vh;
    min-height: 800px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    -webkit-flex-direction: column;
    -webkit-justify-content: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
}

section.fv:after {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    bottom: 0;
    height: 30vh;
    width: 100%;
    background: linear-gradient(0deg, rgba(249,249,249,1) 0%, rgba(249,249,249,0) 100%);
}

ul.fv_cta {
    display: flex;
    align-items: center;
}

ul.fv_cta li:first-child a {
    background: #293B6C;
    color: #fff;
}

ul.fv_cta li a {
    display: flex;
    padding: 18px 45px;
    border-radius: 100px;
    font-size: 1.6rem;
    align-items: center;
    box-shadow: 0 7px 14px rgba(0,0,0,0.06);
}

ul.fv_cta li:last-child a {
    background: #fff;
    color: #4b4b4b;
}

ul.fv_cta li {
    margin-right: 20px;
}

.product_inner {
    max-width: 1100px;
    margin: 0 auto;
    align-items: center;
    display: flex;
    justify-content: space-between;
    padding: 50px 100px;
    backdrop-filter: blur(20px);
    border-radius: 40px;
    z-index: 999;
    background: rgba(255,255,255,0.3);
    position: relative;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.06);
}


ul.product_cta li:first-child a {
    background: #293B6C;
    color: #fff!important;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    transition: color 0.3s ease;
    isolation: isolate;
    border-radius: 100px;
}

ul.product_cta li:first-child a::before {
  content: '';
  position: absolute;
  inset: 0;
   background: #556695;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s ease;
  z-index: -1;
	border-radius: 100px;
}

ul.product_cta li:first-child a:hover {
  color: #fff;
}

ul.product_cta li:first-child a:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}


ul.product_cta li:last-child a {
    color: #4b4b4b;
    box-shadow: 0 7px 14px rgba(0,0,0,0.06);
    transition: 0.3s ease;
}

ul.product_cta li:last-child a:hover {
    transform: scale(1.025);
}

ul.product_cta li {
    margin-right: 10px;
}

.product_image {
    width: 35%;
}

.product_contents {
    width: 57%;
}

.product_contents h2 {
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
    font-size: 2.5rem;
    line-height: 3.5rem;
    margin: 30px 0 10px;
}

.comparison_inner h2 {
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
    font-size: 4rem;
    line-height: 6rem;
    margin: 50px 0;
}

p.comparison_text {
    font-size: 1.5rem;
    line-height: 3rem;
    margin-bottom: 20px;
}

.product_price {
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
    font-size: 3rem;
}

.product_contents p {
    margin: 30px 0;
    font-size: 1.5rem;
    line-height: 3rem;
    text-align: justify;
}

.product_annotation {
    font-size: 1.1rem;
    line-height: 2.2rem;
    text-align: justify;
}

ul.product_cta {
    display: flex;
    margin: 30px 0;
}

ul.product_cta li a {
    display: flex;
    padding: 16px 35px;
    align-items: center;
    border-radius: 100px;
}

.sec_title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    font-family: "Inter", sans-serif;
    font-weight: 400;
    width: max-content;
    letter-spacing: 1px;
    margin: 0 auto 30px;
}

.sec_title:after {
    width: 50px;
    height: 1px;
    display: block;
    margin: 20px auto 0;
    content: "";
    background: #4b4b4b;
}

section.features {
    padding: 200px 0;
}

.wave-background {
    position: absolute; /* 背景として固定 */
    left: 0;
    width: 100%;
    height: 100%;
     /* 清潔感のある白 */
    top: 100%;
    overflow: hidden;
  }

  /* 波の共通スタイル */
  .wave {
    position: absolute;
    bottom: 9%; /* 画面下部に配置 */
    left: -50%;
    width: 200vw; /* 画面幅より大きくして回転させる */
    height: 200vw;
    background: transparent;
    /* 非常に薄い線で構成 */
    border: 1.25px solid rgba(0, 0, 0, 0.15); 
    /* 有機的な形（ぐにゃぐにゃした形）のベース */
    border-radius: 43%; 
    /* 回転させて揺らぎを作る */
    animation: drift linear infinite;
    transform-origin: 50% 48%; /* 回転軸をわずかにずらすのがコツ */
  }

  /* 3つの波に変化をつける */
  .wave.-one {
    animation-duration: 20s;
     /* ほんのり色を乗せる */
  }

  .wave.-two {
    animation-duration: 25s;
    opacity: 0.5;
    /* 形をわずかに変える */
    border-radius: 40%;
    animation-direction: reverse; /* 逆回転させて複雑さを出す */
  }

  .wave.-three {
    animation-duration: 30s;
    border-radius: 46%;
  }

  /* 回転アニメーション */
  @keyframes drift {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

h2.features_title {
    font-size: 4rem;
    line-height: 7rem;
    letter-spacing: -2px;
    margin: 80px 0;
    text-align: center;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
}

.features_intro_cap p {
    font-size: 1.5rem;
    line-height: 3.5rem;
}

.features_intro_cap h3 {
    font-size: 3rem;
    margin-bottom: 30px;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
    line-height: 4.2rem;
}

h3.features_conclusion_title {
    max-width: 280px;
}

.features_conclusion_image {
    margin: 50px auto;
    width: 180px;
}

.features_intro {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.features_intro_cap {
    width: 48%;
}

.features_intro_graph {
    width: 48%;
}

.product_sec_title {
    margin: 0;
}

.product_sec_title:after {
    margin: 20px 0;
}

.but {
    display: block;
    margin: 200px auto 0;
    width: 298px;
}

.features_detail_graph {
    max-width: 701px;
    margin: 0 auto 200px;
}

.features_conclusion {
    display: flex;
    margin: 200px 0;
    justify-content: space-between;
    min-height: 100vh;
}

.features_conclusion_bg_left {
    width: 26%;
    border-radius: 0 100px 100px 0;
    background: #ddd;
    position: relative;
    overflow: hidden;
    box-shadow: -30px -30px 180px rgba(0,0,0,0.15);
    z-index: 99;
}

.features_conclusion_bg_right {
    width: 26%;
    position: relative;
    background: #eee;
    border-radius: 100px 0 0 100px;
    z-index: 99;
    overflow: hidden;
    box-shadow: -30px -30px 180px rgba(0,0,0,0.3);
}

.features_conclusion_bg_right .js-parallax, .features_conclusion_bg_left .js-parallax {
    width: 120%;
    height: 120%;
    margin-top: -30%;
}

.features_conclusion_contents {
    width: 38%;
    text-align: center;
    display: flex;
    padding: 100px 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.features_conclusion_contents p {
    font-size: 1.5rem;
    line-height: 3.5rem;
}

.features_conclusion_contents p span {
    display: block;
    font-size: 1.5rem;
    padding: 6px 15px;
    background: #eee;
    line-height: 20px;
    margin: 5px 0;
    border-radius: 100px;
}

.features_detail {
    position: relative;
}

ul.features_detail_list {
    display: flex;
    justify-content: space-between;
    padding: 0 4%;
}

ul.features_detail_list li {
    width: 32%;
    box-shadow: 0 7px 40px rgba(0,0,0,0.04);
    border-radius: 30px;
    padding: 70px 50px 50px;
    height: max-content;
    position: relative;
    backdrop-filter: blur(5px);
}

ul.features_detail_list li h3 {
    font-size: 3rem;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
    text-align: center;
    margin-bottom: 20px;
}

.features_detail_list_cap {
    text-align: center;
    font-size: 1.8rem;
    line-height: 3rem;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 30px;
}

ul.features_detail_list li p {
    font-size: 1.4rem;
    line-height: 2.6rem;
    text-align: justify;
}

ul.features_detail_list li p span {
    display: block;
    font-size: 1.1rem;
    line-height: 1.8rem;
    margin-top: 20px;
    text-align: justify;
}

ul.features_detail_list li:nth-child(2) {
    margin-top: 8%;
}

ul.features_detail_list li:nth-child(3) {
    margin-top: 16%;
}

.features_detail_num {
    position: absolute;
    width: 150px;
    top: -60px;
    left: 50%;
    margin-left: -75px;
}

.features_epilogue {
	padding: 200px 0 0;
	display: flex;
	justify-content: space-between;
}

.features_epilogue_bg {
    width: 46%;
    border-radius: 0 100px 100px 0;
    background-image: url("../img/epilogue_bg.jpg");
    background-size: cover;
    background-position: center;
    overflow: hidden;
    background-repeat: no-repeat;
}

.features_epilogue_contents {
    padding: 100px 0;
    width: 35%;
    margin: 0 auto;
}

.features_epilogue_contents p {
    line-height: 3rem;
    font-size: 1.5rem;
    margin: 50px 0;
}

.features_epilogue_contents h3 {
    width: 420px;
}

.swipe-container {
  width: 100%;
  overflow: hidden; /* はみ出しを隠す */
  cursor: grab;
  touch-action: none; /* ブラウザ標準のスクロールをこのエリアだけ無効化 */
  user-select: none;
}

.swipe-container:active {
  cursor: grabbing;
}

.swipe-inner {
  display: inline-block;
  white-space: nowrap;
  will-change: transform;
}

.swipe-img {
  display: block;
  height: 60vh; /* 高さ固定、幅は自動で画面からはみ出す想定 */
  width: auto;
  max-width: none; /* スマホ特有の max-width: 100% を解除 */
}

section.compaprison {
    text-align: center;
    padding: 0 0 200px 0;
}

.comparison_table {
    max-width: 900px;
    margin: 0 auto;
    padding-left: 25px;
}

p.comparison_annotation {
    font-size: 1.2rem;
    display: block;
    background: #fff;
    padding: 8px 25px;
    width: max-content;
    color: #999;
    margin: 0 auto;
    border: 1px solid #999;
    border-radius: 100px;
}

.sience_main {
    width: 92%;
    margin-left: 8%;
    border-radius: 100px 0 0 100px;
    background-image: url("../img/company_bg.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    overflow: hidden;
    display: flex;
    position: relative;
    padding: 1%;
}

.sience_contents {
    padding: 15% 8%;
    background: rgba(255,255,255,0);
    /* color: #fff; */
    backdrop-filter: blur(55px);
    border-radius: 90px;
}

.sience_contents p {
    line-height: 3rem;
    font-size: 1.5rem;
    color: #fff;
}

.sience_contents h2 {
    font-size: 4rem;
    color: #fff;
    margin: 30px 0;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
}

.quality_sec_title {
    margin: 0 0 30px;
    color: #fff;
}

.quality_sec_title:after {
    margin: 20px 0;
    background: #fff;
}

ul.quality {
    max-width: 1100px;
    margin: 100px auto;
}

ul.quality li {
    background: #fff;
    box-shadow: 0 7px 40px rgba(0,0,0,0.04);
    margin: 8% 0;
    border-radius: 180px;
    display: flex;
    width: 84%;
    border-bottom: 1px solid #dfdfdf;
}

ul.quality li:nth-child(2) {
    margin-left: 7%;
}

ul.quality li:nth-child(3) {
    margin-left: 14%;
}

.quality_icon {
    width: 35%;
    border-radius: 150px;
    overflow: hidden;
    transform: scale(1.1);
    border-bottom: 1px solid #bbb;
    border-right: 1px solid #fff;
    border-top: 1px solid #fff;
    box-shadow: -12px 18px 29px rgba(0,0,0,0.15);
}

.quality_icon img {
    object-fit: cover;
    height: 100%;
}

.quality_contents {
    width: 65%;
    padding: 60px 100px 60px 60px;
}

.quality_contents h3 {
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.quality_contents p {
    font-size: 1.5rem;
    line-height: 3rem;
    text-align: justify;
}

.quality_contents h3 span {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border: 1px solid;
    border-radius: 100px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: "Inter", sans-serif;
    margin-right: 12px;
    font-weight: 200;
}

section.history {
    padding: 150px 0 0;
}

.history_inner h2 {
    text-align: center;
    font-size: 4rem;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
}

.history_time {
    margin: 150px auto;
    max-width: 1100px;
    position: relative;
}

.history_line {
    width: 1px;
    height: 100%;
    background: #000;
    display: block;
    margin: 0 auto;
    position: absolute;
    left: 50%;
}

ul.history_contents {
    display: flex;
    flex-wrap: wrap;
}

ul.history_contents li {
    display: flex;
    width: 50%;
    align-items: center;
}

.history_year {
    font-family: "Inter", sans-serif;
    font-size: 4rem;
    font-weight: 200;
    letter-spacing: 1px;
}

ul.history_contents li:nth-child(odd) {
    padding: 12% 3% 12% 0;
    flex-direction: row-reverse;
    position: relative;
    margin-top: -18%;
}

ul.history_contents li:nth-child(even) {
    position: relative;
    padding-left: 3%;
}

ul.history_contents li:nth-child(even):after {
    content: "";
    display: block;
    width: 9px;
    height: 9px;
    background: #4b4b4b;
    border-radius: 100%;
    left: 0;
    position: absolute;
    margin-left: -4px;
}

.history_cap {
    font-size: 2rem;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
}

.history_time_box {
    padding: 30px 40px;
    background: #fff;
    border-radius: 20px;
    width: 58%;
    margin: 0 20px;
    box-shadow: 0 7px 40px rgba(0,0,0,0.04);
}

.history_text {
    margin-top: 14px;
    font-size: 1.2rem;
    color: #999;
    line-height: 2rem;
}

ul.history_contents li:nth-child(odd):after {
    display: block;
    content: "";
    width: 9px;
    height: 9px;
    background: #4b4b4b;
    right: 0;
    position: absolute;
    border-radius: 100px;
    margin-right: -5px;
}

.photo_area {
	position: relative;
	padding-bottom: 0;
}

section.photo_area:after {
    content: "";
    display: block;
    width: 30%;
    height: 100%;
    background: linear-gradient(90deg, rgba(249,249,249,1) 0%, rgba(249,249,249,0) 100%);
    position: absolute;
    left: 0;
    top: 0;
}

section.photo_area:before {
    content: "";
    display: block;
    width: 30%;
    height: 100%;
    background: linear-gradient(270deg, rgba(249,249,249,1) 0%, rgba(249,249,249,0) 100%);
    right: 0;
    top: 0;
    position: absolute;
    z-index: 1;
}

.splide {
	padding: 15px 0;
}

.splide__list li:nth-child(odd) img {
	transform: scale(0.9);
}

.splide__slide img {
  width: 100%;
  height: auto;
  display: block;
	border-radius: 20px;
}

.qa {
    padding-top: 200px;
}

footer {
    padding: 350px 5% 0;
}

ul.footer_bottom_menu li a img {
    width: 19px;
    display: block;
    margin-left: 6px;
}

.footer_head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #e5e5e5;
    padding: 100px 0 0;
}

a.pagetop {
    border-top: 1px solid #4b4b4b;
    display: block;
    width: 60px;
}

a.pagetop:after {
    width: 40px;
    height: 40px;
    content: "";
    display: block;
    border-top: 1px solid #4b4b4b;
    border-right: 1px solid #4b4b4b;
    transform: rotate(-45deg);
    margin: 8px auto 0;
}

.footer_logo {
    font-size: 4rem;
    font-family: "Federo", sans-serif;
    letter-spacing: 6px;
    font-weight: 700;
}

ul.footer_menu_box li a {
    color: #4b4b4b;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
}

ul.footer_menu_box li {
    margin-bottom: 20px;
}

.footer_menu {
    display: flex;
    padding: 50px 0 100px;
}

ul.footer_menu_box {
    width: 30%;
}

ul.footer_menu_box li:last-child {
    margin-bottom: 0;
}

ul.footer_bottom_menu {
    display: flex;
    align-items: center;
}

ul.footer_bottom_menu li a {
    color: #4b4b4b;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
	background-image: linear-gradient(#4b4b4b, #4b4b4b);
	  background-repeat: no-repeat;
	  background-position: bottom right;
	  background-size: 0 1px;
	  transition: background-size 0.3s;
}

ul.footer_bottom_menu li a:hover {
  background-position: bottom left;
  background-size: 100% 1px;
}

ul.footer_bottom_menu li {
    margin-right: 30px;
}

.footer_bottom {
    padding: 5% 0;
    border-top: 1px solid #e5e5e5;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

small {
    font-size: 1.1rem;
    font-family: "Inter", sans-serif;
    letter-spacing: 0.5px;
    opacity: 0.4;
}

.footer_bottom_last {
    display: flex;
    flex-direction: column;
    justify-content: end;
    align-items: flex-end;
}

.footer_company_logo {
    margin-bottom: 20px;
    width: 120px;
}

/*Q&A*/
.accordion-container {
  max-width: 1100px;
  margin: 0 auto;
}

.accordion-item {box-shadow: 0 10px 25px rgba(0,0,0,0.02);border-radius: 30px;margin-bottom: 20px;background: #fff;position: relative;}

/* タイトル部分（ボタン） */
.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  padding: 50px;
  border: none;
  font-size: 1.8rem;
  font-weight: bold;
  cursor: pointer;
  position: relative;
  outline: none;
  transition: background 0.3s;
  transition: 0.3s;
}

.accordion-header:hover {
    opacity: 0.5;
}

/* アイコン：＋とーを擬似要素で作る */
.accordion-icon {
  position: relative;
  width: 15px;
  height: 15px;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  background-color: #333;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* 横棒 */
.accordion-icon::before {
  top: 7px;
  left: 0;
  width: 100%;
  height: 1px;
}

/* 縦棒 */
.accordion-icon::after {
  top: 0;
  left: 7px;
  width: 1px;
  height: 100%;
}

/* 開いている時のアイコン（縦棒を回転させて消す） */
.accordion-item.is-active .accordion-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

/* --- 開閉の核となる部分 --- */
.accordion-content {
  height: 0;                /* 初期状態は0 */
  overflow: hidden;         /* はみ出し禁止 */
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1); /* 加減速を滑らかに */
}

.accordion-inner {
  padding: 0 50px 50px;     /* 中身の余白 */
  font-size: 1.5rem;
  line-height: 2.5rem;
  text-align: justify;
  display: flex;
  align-items: center;
  color: #4b4b4b;
}

.qa_q_area {
    display: flex;
    align-items: center;
    font-size: 1.8rem;
}

span.qa_a {
    display: flex;
    font-family: "Inter", sans-serif;
    font-weight: 600;
    width: 40px;
    height: 40px;
    background: #f0f0f0;
    font-size: 2rem;
    border-radius: 100%;
    text-align: center;
    margin-right: 20px;
    color: #aaa;
    align-items: center;
    justify-content: center;
}

span.qa_q {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Inter", sans-serif;
    background: #4b4b4b;
    color: #fff;
    width: 40px;
    height: 40px;
    margin-right: 20px;
    border-radius: 100%;
    font-size: 2rem;
}

.qa h2 {
    text-align: center;
    font-size: 4rem;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
    margin-bottom: 60px;
}

.qa_q_area {
    display: flex;
    align-items: center;
    font-size: 1.8rem;
    color: #4b4b4b;
}

section.footer_product {
    margin-top: 200px;
    position: relative;
    height: 500px;
    margin-bottom: 300px;
}

section.footer_product:after {
    content: "";
    display: block;
    position: absolute;
    background: linear-gradient(0deg, rgba(249,249,249,1) 20%, rgba(249,249,249,0) 100%);
    bottom: -5%;
    left: 0;
    width: 100%;
    height: 60%;
}

.footerproduct_bg {
    width: 100%!important;
}

.footer_product .product_inner {
    margin-top: -150px!important;
}

.arrow {
  position: relative;
  display: inline-block;
  width: 13px;
  height: 1px;
  margin: 0 7px 0 0;
  border-radius: 9999px;
  background-color: #4b4b4b;
  transition: .3s;
}

.arrow::before,
.arrow::after {
  content: "";
  position: absolute;
  top: calc(50% - 0.5px);
  right: 0;
  width: 7px;
  height: 1px;
  border-radius: 9999px;
  background-color: #4b4b4b;
  transform-origin: calc(100% - 0.5px) 50%;
}

.arrow::before {
  transform: rotate(43deg);
}

.arrow::after {
  transform: rotate(-43deg);
}

ul.footer_menu_box li a:hover .arrow {
    width: 18px;
}

/*螺旋アニメーション*/
    /* 螺旋全体を包むコンテナ */
    .spiral-container {
      position: absolute;
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
    }

    /* ドットの共通スタイル */
    .dot {
      position: absolute;
      width: 6px;
      height: 6px;
      box-shadow: 0 0 5px rgba(0,0,0,0.75), 0 0 30px rgba(0,0,0,0.75);
      border-radius: 50%;
      /* 初期位置は画面左端の外 */
      left: -50px;
      /* アニメーション：横移動 + 螺旋回転 */
      animation: 
        flow-right 8s linear infinite,
        spiral-move 3s ease-in-out infinite;
    }

    /* 1. 左から右へ流れる動き */
    @keyframes flow-right {
      0% { left: -50px; }
      100% { left: 100%; }
    }

    /* 2. 螺旋（上下の揺れと奥行き）の動き */
    @keyframes spiral-move {
      0%, 100% {
        transform: translateY(-150px) scale(1);
        opacity: 0.8;
        z-index: 2;
      }
      50% {
        transform: translateY(150px) scale(0.4);
        opacity: 0.1;
        z-index: 1;
      }
    }

.simpleParallax {
    height: 100%;
}

img.js-parallax {
    height: 100%;
    width: 100%;
    object-fit: cover;
    margin-top: 0%;
}

/*sienceスライドショー*/
  .background-slideshow {
    position: absolute; /* 背景として固定 */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0; /* コンテンツの後ろに配置 */
    border-radius: 100px 0 0 100px;
    overflow: hidden;
     /* 画像読み込み前のベースカラー */
  }

  /* 各スライドの共通スタイル */
  .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    
    /* 初期状態は透明 */
    opacity: 0;
    
    /* アニメーション設定 */
    /* 15秒で1サイクル（3枚×5秒）、無限ループ、滑らかに */
    animation: crossfade 9s linear infinite;
  }

  /* ★ここがポイント：時間差（delay）の設定 */
  /* 3枚の場合、1サイクル（15s）を3等分（5s）してずらす */
  .slide.-one {
    animation-delay: 0s;
  }
  .slide.-two {
    animation-delay: 3s;
  }
  .slide.-three {
    animation-delay: 6s;
  }

  /* クロスフェードのアニメーション定義 */
  /* 3枚の場合の計算例：
     0% 〜 10%: フェードイン（出現）
     10% 〜 33.3%: 表示維持
     33.3% 〜 43.3%: フェードアウト（消滅）
     43.3% 〜 100%: 透明を維持
  */
  @keyframes crossfade {
    0% {
      opacity: 0;
    }
    10% {
      opacity: 1; /* フェードイン完了 */
    }
    33.3% {
      opacity: 1; /* 表示を維持 */
    }
    43.3% {
      opacity: 0; /* フェードアウト完了 */
    }
    100% {
      opacity: 0; /* 残りの時間は透明 */
    }
  }

.pc_disp {
	display: block;
}

.sp_disp {
	display: none;
}

/*---------------------------------------------------------------*\
	$480px
\*---------------------------------------------------------------*/
@media screen and (max-width: 480px) {

.pc_disp {
	display: none;
}

.sp_disp {
	display: block;
}
	
body {
    min-width: inherit;
}

header {
    padding: 10px 5%;
    min-width: 100%;
    border-bottom: 1px solid #fff;
    color: #fff;
}
	
ul.header_menu {
    display: none;
}

.fix-header-inner .header_logo {
    margin: 4px auto;
    color: #000;
}

.fix-header-inner {
    min-width: 100%;
}
	
#main-visual {
    min-height: inherit;
    height: 650px;
    padding-top: 30vh;
    background: #d7d9d6;
}
	
img.js-parallax {
    height: 130%;
}
	
section.fv {
    height: inherit;
    min-height: 650px;
    display: block;
    padding-top: 13vh;
}

.fv_cap_left, .fv_cap_right {
    height: 34vh;
    top: 11%;
}

.fv_inner {
    width: 56%;
    justify-content: center;
}
	
.hero-image {height: 580px;min-height: inherit;padding-top: 36vh;}

.fv_cap_right {height: 325px;top: 11%;}

.fv_cap_left {
    top: 14%;
    height: 290px;
    left: -0.5%;
}

section.fv:after {height: 20vh;}

.fv_inner_cap h1 {
    font-size: 1.8rem;
    line-height: 2.8rem;
    margin: 0 auto;
    writing-mode: inherit;
    letter-spacing: 2px;
    text-align: center;
}

.fv_inner_cap p {
    font-size: 1.1rem;
    line-height: 2.1rem;
    margin: 15px 0 0;
    text-align: center;
}

.product_inner {
    width: 92%;
    border-radius: 15px;
    display: block;
    padding: 6%;
}

section.footer_product:after {
    bottom: -40%;
}

section.product {
    margin-top: -8%;
}

.product_image {
    margin: 0 auto;
    width: 50%;
}

.product_contents {
    width: 100%;
}

.product_contents h2 {
    font-size: 2rem;
    text-align: center;
    line-height: 3.5rem;
    margin: 20px 0 10px;
}

.product_sec_title {
    margin: 0 auto;
}

.product_price {
    text-align: center;
}

.product_contents p {
    font-size: 1.3rem;
    line-height: 2.5rem;
    color: #888;
    margin: 20px 0;
}

ul.product_cta {
    display: block;
    margin: 20px 0;
}

ul.product_cta li a {
    justify-content: center;
}

ul.product_cta li {
    margin-right: 0;
    margin-bottom: 15px;
}

.product_annotation {
    font-size: 1rem;
    line-height: 1.8rem;
    color: #888;
}

.header_logo {
    margin: 10px auto;
}
	
.header_logo a {
    font-size: 1.5rem;
    letter-spacing: 4.5px;
}

section.features {
    padding: 100px 0;
}

.sec_title {
    font-size: 1.25rem;
}

.product_sec_title:after {
    margin: 20px auto;
}

h2.features_title {
    font-size: 2.4rem;
    line-height: 3.8rem;
    margin: 40px 0;
}

.features_intro {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column-reverse;
}

.features_intro_cap {
    width: 88%;
    margin: 0 auto;
}

.features_intro_cap h3 {
    font-size: 2.3rem;
    line-height: 4rem;
    margin-bottom: 20px;
}

.features_intro_cap p {
    font-size: 1.3rem;
    line-height: 2.5rem;
}

.features_intro_graph {
    width: 88%;
    margin: 0 auto 30px;
}

.features_conclusion {
    margin: 100px 0;
    display: block;
    min-height: inherit;
}

.spiral-container {
    width: 300%;
    height: 120%;
    margin-left: -202%;
}

.features_conclusion_bg_left {
    width: 84%;
    height: 50vh;
    border-radius: 0;
    box-shadow: none;
}

.features_conclusion_contents {
    width: 88%;
    margin: 0 auto;
    padding: 70px 0;
}

h3.features_conclusion_title {
    max-width: inherit;
    width: 50%;
}

.features_conclusion_image {
    width: 40%;
    margin: 20px auto 30px auto;
}

.features_conclusion_contents p {
    font-size: 1.3rem;
    line-height: 2.5rem;
}

.features_conclusion_bg_right {
    width: 84%;
    margin-left: 16%;
    height: 50vh;
    box-shadow: revert-layer;
    border-radius: 0;
}

.features_detail_graph {
    max-width: 88%;
    margin: 0 auto 100px;
}
	
.features_conclusion_bg_right .js-parallax, .features_conclusion_bg_left .js-parallax {
    margin-top: -10%;
}
	
.wave-background {
    top: 80%;
}

ul.features_detail_list {
    padding: 0 6%;
    flex-wrap: wrap;
}

ul.features_detail_list li {
    width: 100%;
    padding: 70px 6% 6%;
}

ul.features_detail_list li h3 {
    font-size: 2.4rem;
    margin-bottom: 15px;
}

.features_detail_list_cap {
    font-size: 1.6rem;
    margin-bottom: 20px;
    line-height: 2.6rem;
    padding-bottom: 20px;
}

ul.features_detail_list li p {
    font-size: 1.3rem;
    line-height: 2.5rem;
    color: #888;
    padding: 0 5% 5%;
}

.features_detail_num {
    width: 130px;
    top: -40px;
    margin-left: -65px;
}

ul.features_detail_list li:nth-child(3) {
    margin-top: 16%;
}

ul.features_detail_list li:nth-child(2) {
    margin-top: 16%;
}

.features_epilogue {
    padding: 100px 0 0;
    display: block;
}

.features_epilogue_bg {
    width: 88%;
    height: 50vh;
    border-radius: 0;
    background-image: none;
    background-color: #e9e9e9;
}

.features_epilogue_contents {
    padding: 70px 0 0;
    width: 88%;
}

.features_epilogue_contents h3 {
    width: 80%;
}

.features_epilogue_contents p {
    font-size: 1.3rem;
    line-height: 2.5rem;
    margin: 30px 0;
}
	
.swipe-container {
  width: 100%;
  overflow: hidden; /* はみ出しを隠す */
  cursor: grab;
  touch-action: none; /* ブラウザ標準のスクロールをこのエリアだけ無効化 */
  user-select: none;
}

.swipe-container:active {
  cursor: grabbing;
}

.swipe-inner {
  display: inline-block;
  white-space: nowrap;
  will-change: transform;
}

.swipe-img {
  display: block;
  height: 60vh; /* 高さ固定、幅は自動で画面からはみ出す想定 */
  width: auto;
  max-width: none; /* スマホ特有の max-width: 100% を解除 */
}

.but {
    margin: 100px auto 0;
    width: 65%;
}
	
.features_conclusion_contents p span {
    font-size: 1.4rem;
}

.comparison_inner h2 {
    font-size: 2.2rem;
    line-height: 3.8rem;
    margin: 30px 0;
}

p.comparison_text {
    font-size: 1.3rem;
    text-align: left;
    line-height: 2.5rem;
    padding: 0 6% 20px;
}

p.comparison_text br {
    display: none;
}

p.comparison_annotation {
    width: 88%;
    font-size: 1.1rem;
    padding: 3% 6%;
    border: none;
}
	
.comparison_table {
    width: 90%;
    margin: 0 auto;
    padding-left: 0;
}

section.compaprison {
    padding: 0 0 100px 0;
}

.sience_main {
    width: 94%;
    margin-left: 6%;
    padding: 0;
    border-radius: 30px 0 0 30px;
}

.sience_contents {
    border-radius: 0;
    backdrop-filter: inherit;
    background-color: rgba(0,0,0,0.4);
    width: 100%;
    z-index: 99;
}

.sience_contents h2 {
    font-size: 2.8rem;
    margin: 20px 0;
}

.sience_contents p {
    font-size: 1.3rem;
    line-height: 2.5rem;
}

.background-slideshow {
    border-radius: 0;
}

ul.quality li {
    display: block;
    width: 88%;
    border-radius: 20px;
    margin: 10% 0;
}

.quality_icon {
    width: 100%;
    transform: inherit;
    height: 250px;
    border-radius: 20px;
}

ul.quality {
    margin: 100px auto 0;
}

.quality_contents {
    width: 100%;
    padding: 8%;
}

.quality_contents h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.quality_contents p {
    font-size: 1.3rem;
    line-height: 2.5rem;
    color: #888;
}

.quality_contents h3 span {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
}
	
ul.quality li:first-child {
    border-radius: 0 20px 20px 0;
}

ul.quality li:first-child .quality_icon {
    border-radius: 0 20px 20px 0;
}

ul.quality li:last-child {
    border-radius: 20px 0 0 20px;
}

ul.quality li:last-child .quality_icon {
    border-radius: 20px 0 0 20px;
}
	
section.history {
    padding: 100px 0 0;
}

.history_inner h2 {
    font-size: 2.4rem;
    margin: 30px 0;
}

ul.history_contents {
    display: block;
    width: 93%;
    margin: 0 0 0 7%;
}

ul.history_contents li:nth-child(odd) {
    left: 0;
    padding-left: 5%;
    flex-direction: inherit;
    padding-right: 0;
    margin-top: 0;
    padding-top: 0;
    align-items: flex-start;
    padding-bottom: 4%;
}

ul.history_contents li {
    width: 100%;
    margin-bottom: 5%;
}

.history_line {
    left: 7%;
}

ul.history_contents li:nth-child(odd):after {
    right: inherit;
    margin-right: 0;
    left: -4px;
    width: 9px;
    height: 9px;
    top: 10px;
}
	
ul.history_contents li:nth-child(even):after {
    width: 9px;
    height: 9px;
    margin-left: -4px;
    top: 10px;
}

.history_year {
    font-size: 2.4rem;
    width: 20%;
}

ul.history_contents li:nth-child(even) {
    padding: 0 0 4% 5%;
    margin-top: 0;
    align-items: flex-start;
}

.history_time_box {
    width: 80%;
    padding: 5%;
    margin: 0 0 0 5%;
    border-radius: 10px 0 0 10px;
}

.history_cap {
    font-size: 1.6rem;
    line-height: 2.5rem;
}

.history_time {
    margin: 50px 0;
}

.photo_area {
    padding-bottom: 0;
}

.qa h2 {
    font-size: 2.4rem;
    margin-bottom: 30px;
}

.accordion-container {
    width: 88%;
}

.accordion-item {
    border-radius: 12px;
    margin-bottom: 15px;
}

.accordion-header {
    padding: 6%;
}

.qa_q_area {
    font-size: 1.4rem;
    text-align: left;
    width: 90%;
    line-height: 2.4rem;
}

span.qa_q {
    width: 30px;
    height: 30px;
    font-size: 1.5rem;
    aspect-ratio: 1;
    margin-right: 10px;
}

.accordion-inner {
    font-size: 1.3rem;
    line-height: 2.2rem;
    padding: 0 8% 8%;
}

span.qa_a {
    width: 30px;
    height: 30px;
    font-size: 1.5rem;
    aspect-ratio: 1;
}
	
.qa {
    padding-top: 100px;
}

section.footer_product {
    margin-top: 50px;
    height: 300px;
}

.footer_logo {
    font-size: 2.4rem;
    letter-spacing: 4px;
}

.footer_head {
    text-align: center;
    padding: 150px 0 0;
}

a.pagetop {
    margin: 16px 0 0;
    width: 45px;
}

.footer_menu {
    padding: 30px 0 15px;
    display: block;
}

ul.footer_menu_box {
    width: 100%;
    margin-bottom: 15px;
}

a.pagetop:after {
    width: 30px;
    height: 30px;
}

ul.footer_menu_box li {
    margin-bottom: 25px;
}

ul.footer_menu_box li a {
    font-size: 1.3rem;
}

.footer_bottom {
    padding: 10% 0;
    display: block;
}

footer {
    padding: 450px 6% 70px;
}

.footer_bottom_last {
    width: 100%;
    display: block;
    flex-direction: inherit;
}

ul.footer_bottom_menu {
    width: 100%;
    display: block;
}

ul.footer_bottom_menu li {
    margin-right: 0;
    margin-bottom: 25px;
}

.footer_company_logo {
    margin: 50px 0 10px;
    display: block;
    width: 130px;
}

small {
    font-size: 1rem;
}

.fix_btn {
    position: fixed;
    width: 100%;
    bottom: 0;
    padding: 0 0 15px 0;
    left: 0;
    z-index: 9998;
    display: block;
}

.fix_btn a {
    display: flex;
    width: 78%;
    margin: 0 auto;
    text-align: center;
    background: #293B6C;
    color: #fff;
    border-radius: 100px;
    font-size: 1.5rem;
    justify-content: center;
    align-items: center;
    padding: 13px 0;
}

.fix_btn a img {
    width: 24px;
    margin-right: 10px;
}
}