html {
  scroll-behavior: smooth;
}
:root {
  --main-text: #333333;
  --sub-text: #777777;
  --bg-color: #ffffff;
  --font-gothic: "Yu Gothic", "YuGothic", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: 'Cormorant Garamond', serif;
}

body {
  font-family: var(--font-gothic);
  font-weight: 300; 
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-color);
  margin: 0;
}

a{
    text-decoration: none;
    color: #333333;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  body { font-weight: 400; }
}

.brand-title {
  margin-bottom: 2.5rem;
  line-height: 0;
}

.brand-title img {
  width: 220px;
  height: auto;
}


/* --- Read More  --- */
.read-more-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 50px 0;
}

.vertical-line {
  width: 1px;
  height: 50px;
  background-color: #eee;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.vertical-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #333;
  animation: lineMove 2.5s ease-in-out infinite;
}

@keyframes lineMove {
  0% { top: -100%; }
  50% { top: 0%; }
  100% { top: 100%; }
}

.read-more-btn {
  background: none;
  border: none;
  font-family: "Hind", sans-serif;
  font-size: 0.8rem;
  color: #333;
  cursor: pointer;
  padding: 0;
  letter-spacing: 0.1em;
  transition: opacity 0.3s;
}

.read-more-btn:hover {
  opacity: 0.6;
}

.read-more-btn.is-hidden {
  display: none;
}

/* --- more --- */
.concept-more {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.concept-more.is-visible {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

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

.header, 
main, 
.footer {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

/* 2. ヘッダー */
.header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 2%;
  z-index: 2000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.header.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.logo {
  position: relative;
  z-index: 2100;
}

/* --- logo --- */
.logo img {
  width: 120px;
  height: auto;
  display: block;
  filter: invert(1); 
  transition: filter 0.4s ease;

}

.header.is-open .logo img {
  filter: invert(0) !important;
}

@media (max-width: 768px) {
  .logo img {
    width: 100px;
  }
  .header {
    padding: 20px 5%;
  }
}

/* --- Hamburger Menu --- */

.menu-trigger {
  position: relative;
  width: 30px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 2000;
}

.menu-trigger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #ffffff;
  transition: all 0.4s ease;
}

.menu-trigger span:first-child { top: 4px; }
.menu-trigger span:last-child { bottom: 4px; }

.header.is-open .menu-trigger span:first-child {
  transform: translateY(5.5px) rotate(45deg);
  background-color: #333;
}

.header.is-open .menu-trigger span:last-child {
  transform: translateY(-5.5px) rotate(-45deg);
  background-color: #333;
}

.nav-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  padding: 100px 0 0 0;
  background-color: rgba(255, 255, 255, 0.8);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.header.is-open .nav-menu {
  opacity: 1;
  visibility: visible;
}

.header.is-open .nav-list li a {
  transform: translateY(0);
  opacity: 1;
}

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

.nav-list {
  list-style: none;
  text-align: center;
  padding: 0;
}

.nav-list li {
  margin: 30px 0;
  overflow: hidden;
}

.nav-list li a {
  font-family: "Hind", sans-serif;
  font-size: 1.0rem;
  color: var(--main-text);
  text-decoration: none;
  letter-spacing: 0.1em;
  display: block;
  transform: translateY(30px);
  opacity: 0;
  transition: transform 0.8s ease, opacity 0.8s ease;
}

.nav-menu.is-active .nav-list li a {
  transform: translateY(0);
  opacity: 1;
}

.nav-list li:nth-child(1) a { transition-delay: 0.2s; }
.nav-list li:nth-child(2) a { transition-delay: 0.3s; }
.nav-list li:nth-child(3) a { transition-delay: 0.4s; }
.nav-list li:nth-child(4) a { transition-delay: 0.5s; }

.hero, .video-container, .lifestyle-image img {
  width: 100%;
}

.hero {
  width: 100%;
  max-width: 640px;
  height: 100vh;
  margin: 0 auto;
  position: sticky;
  top: 0;
  z-index: 1;
  overflow: hidden;
  background-color: #000;
}

.video-container {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover; 
  object-position: center; 
}

/* concept */
.concept {
position: relative;
  z-index: 10;
  padding: 80px 10%;
  background-color: #fff;
  margin-top: 0; 
}

.collection, 
.mid-visual, 
.lifestyle-image, 
footer {
  position: relative;
  z-index: 10;
  background-color: #fff;
}

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

.concept-jp {
  font-size: 0.9rem;
  line-height: 2.2;
  margin-bottom: 80px;
  letter-spacing: 0.05em;
}

.concept-jp p {
  margin-bottom: 2.5rem;
}

.concept-en {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--sub-text);
  font-family: var(--font-en);
  letter-spacing: 0.03em;
  margin-top: 80px;
}

.concept-en p {
  margin-bottom: 1.2rem;
}

.read-more-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 40px 0;
}

/* 縦棒 */
.vertical-line {
  width: 1px;
  height: 40px;
  background-color: #333;
  margin-bottom: 15px;
  position: relative;
  overflow: hidden;
}

.vertical-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  animation: lineMove 2.5s ease-in-out infinite;
}

@keyframes lineMove {
  0% { top: -100%; }
  50% { top: 0%; }
  100% { top: 100%; }
}

.concept-more {
  display: none;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.concept-more.is-visible {
  display: block;
  opacity: 1;
}

.read-more-wrapper.is-hidden {
  display: none;
}

.close-style {
  margin-top: 30px;
  display: block;
}

:root {
  --color-charcoal: #4A4A4A; 
}

.collection-header {
  text-align: center;
  padding: 100px 0 60px;
}

.sub-heading {
  font-family: "Hind", sans-serif;
  font-weight: 300;
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: #666;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.main-heading {
  font-family: "Hind", sans-serif;
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--main-text);
  line-height: 1.2;
}

@media (min-width: 641px) {
  .product-grid {
    gap: 30px 10px;
  }
}

.collection {
  padding: 60px 2% 100px;
  background-color: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px 10px;
}

.product-item {
  display: flex;
  flex-direction: column;
}

.swiper-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    cursor: grab;
}

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

.swiper-wrapper {
    display: flex;
    width: auto;
    will-change: transform;
}

.swiper-wrapper.is-animating {
    transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}
.swiper-slide {
    width: 100%;
    flex-shrink: 0;
}

.swiper-slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.swiper-pagination {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 2px;
    align-items: center;
    z-index: 10;
}

.dot {
    width: 50px;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: rgba(38, 38, 38, 0.6);
}

.product-image {
  width: 100%;
  margin-bottom: 15px;
}

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

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 5px;
}

.product-text {
  font-family: var(--font-gothic);
  font-weight: 300;
  font-size: 0.8rem;
  line-height: 1.6;
}

.product-name {
  color: var(--main-text);
  margin-bottom: 2px;
}

.product-price {
  color: var(--sub-text);
  font-size: 0.75rem;
}

.btn-buy {
  display: inline-block;
  background-color: var(--color-charcoal);
  color: #ffffff;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  padding: 2px 12px;
  text-decoration: none;
  text-align: center;
  transition: background-color 0.3s ease;
}

.btn-buy:hover {
  background-color: #333333;
}

.mid-visual {
  width: 100%;
  padding: 100px 5% 300px 5%;
  background-color: #fff;
  display: flex;
  justify-content: center;
}

.video-container-small {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  line-height: 0;
}

.video-container-small video {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

@media (max-width: 768px) {
  .mid-visual {
    padding: 60px 5%;
  }
}

.lifestyle-image {
    margin-bottom: 140px;
}

.lifestyle-image img {
    display: block;
}

.gotop{
  font-family: "Hind", sans-serif;
  text-align: center;
  padding: 50px 0 0 0;
}

footer {
	position: relative;
	width: 100%;
	margin: 0 0 0;
	background: #ebe9e6;
}
#inquiry {
	text-align: center;
	padding: 10px 0 15px;
	font-size: 11px;
	color: #666;
}
#phone span{
	font-size: 17px;
}
#inquiry div a:first-child {
	border-right: 0.5px solid #666;
	padding-right: 10px;
}
#inquiry div a:nth-child(2) {
	padding-left: 8px;
}
#ftr_com {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 35px;
	width: 100%;
	margin: 0 auto;
	border-top: 1px solid #ccc;
}
#ftr_shilogo{
	display: inline-block;
	font-size: 12px;
	font-weight: 500;
	margin: 0 0 0 3%;
	letter-spacing: 0.2em;
	font-family: 'Century Gothic', sans-serif;
	width: 100px;
	/*filter: brightness(0) invert(1);*/
}
#ftr_shilogo img{
	width: 100px;
}
#ftr_shilogo a{
	color: #fff;
}
@media (min-width: 768px) {
  #ftr_shilogo img{
	  width: 200px;
  }
}
#cpyr{
	font-size: 10px;
	line-height: 1em;
	margin: 0 2% 0 0;
	font-weight: 400;
	font-style: normal;
	transform: scale(0.9) translateX(5%);
}
.ck_button{
	display: block;
	text-align: center;
	font-size: 16px;
	padding: 7px 0;
	margin: 20px auto 10px;
	width: 75%;
	border-radius: 50px;
	position: relative;
	line-height: 1.7em;
}
#itm_area .ck_button {
	margin: 10px auto 50px;
}
.ck_button span {
	position: absolute;
	font-size: 1.5em;
	right: 4%;
	top: 50%;
	transform: scale(0.5, 1)translate(0, -55%);
	font-weight: lighter;
}
.ck_cp{
	font-size: 14px;
	padding: 15px 0;
	margin: 0 auto 0;
	width: 75%;
	border-radius: 50px;
	line-height: 1.7em;
}
.ck_cp strong {
	font-size: 1.5em;
	font-weight: 500;
}
.ck_cp span {
	position: absolute;
	font-size: 2.0em;
	right: 7.5%;
	top: 50%;
	transform: scale(1, 0.5)translate(0, -110%)rotate(90deg);
	font-weight: lighter;
}
.ck_line {
	border: solid 1px #fff!important;
	color: #fff;
}
.ck_inq{
	font-size: 14px;
	padding: 7px 0;
	margin: 10px auto;
	width: 75%;
	border-radius: 50px;
	line-height: 1.7em;
	color: #fff;
	background: #333;
	border: none!important;
}
@media (min-width: 768px) {
  .ck_inq{
	  max-width: 300px;
  }
}

/* --- フェードイン --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.fade-in.is-active {
  opacity: 1;
  transform: translateY(0);
}

.product-grid .product-item:nth-child(even) {
  transition-delay: 0.2s;
}