@charset "UTF-8";
:root {
  --color-gold: #d0bd71;
}


/*--------------------------------------------------------
style.css の上書き（ダークテーマ対応）
--------------------------------------------------------*/
body {
  background-color: #000;
  color: #fff;
  font-family: "Lora", "Noto Serif JP", serif;
}

a {
  color: #fff;
}

footer {
  color: #fff;
}

video {
  display: block;
}

/*--------------------------------------------------------
ヘッダー
--------------------------------------------------------*/
.header {
  width: 100%;
  background-color: #000;
  display: flex;
  justify-content: center;
}

.header__bar {
  position: relative;
  background-image: url("../img/header_sita.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 1800px;
  padding: 15px 20px;
}

.header__logo a {
  display: block;
  line-height: 0;
}

.header__logo img {
  width: 180px;
}

.header__menu {
  position: fixed;
  left: max(20px, calc((100vw - 1800px) / 2 + 20px));
  top: 54px;
  width: 30px;
  height: 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  z-index: 1001;
}

.header__menu span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #fff;
  transition: transform 0.3s, opacity 0.3s;
}

.header__menu.is-active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.header__menu.is-active span:nth-child(2) {
  opacity: 0;
}

.header__menu.is-active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/*--------------------------------------------------------
モーダル
--------------------------------------------------------*/
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 10, 20, 0.95);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
  overflow-y: auto;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__inner {
  text-align: left;
  padding: 80px 20px 40px;
}

.modal__close {
  display: none;
}

.modal__nav ul {
  margin-bottom: 40px;
}

.modal__nav li {
  margin-bottom: 10px;
}

.modal__nav a {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: opacity 0.3s;
}

.modal__nav a:hover {
  opacity: 0.7;
}

.modal__sub {
  font-size: 1.2rem;
  /* color: #ccc; */
}

.modal__links {
  margin-bottom: 30px;
}

.modal__links a {
  display: block;
  color: var(--color-gold);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
  transition: opacity 0.3s;
}

.modal__links a:hover {
  opacity: 0.7;
}

.modal__social {
  display: flex;
  justify-content: flex-start;
  gap: 15px;
  margin-bottom: 30px;
}

.modal__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  /* border: 1px solid #fff; */
}

.modal__social img {
  width: 100%;
  height: auto;
}

.modal__brand {
  margin-top: 20px;
}

.modal__logo {
  margin-bottom: 10px;
  line-height: 0;
}

.modal__logo img {
  width: clamp(120px, 39vw, 180px);
  height: auto;
}

.modal__tagline {
  font-size: 1.1rem;
  line-height: 1.8;
}

/*--------------------------------------------------------
ヒーロースライドショー
--------------------------------------------------------*/
.hero {
  position: relative;
  width: 100%;
  max-width: min(1800px, calc((100vh - 128px) * 1800 / 1012));
  margin: 0 auto;
  line-height: 0;
}

.hero__slider {
  position: relative;
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.hero__slide.is-active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.hero__slide img,
.hero__slide video {
  width: 100%;
  height: auto;
  display: block;
}

.hero__mute {
  position: absolute;
  right: 15px;
  bottom: 40px;
  color: #fff;
  opacity: 0.6;
  transition: opacity 0.3s;
  cursor: pointer;
  z-index: 5;
  padding: 5px;
  line-height: 1;
  background: none;
  border: none;
}

.hero__mute:hover {
  opacity: 1;
}

.hero__mute-icon {
  width: 24px;
  height: 24px;
  display: block;
}

.hero__mute-x1,
.hero__mute-x2 {
  transition: opacity 0.2s;
}

.hero__mute.is-unmuted .hero__mute-x1,
.hero__mute.is-unmuted .hero__mute-x2 {
  opacity: 0;
}

.hero__dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
  line-height: 1;
}

.hero__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s;
}

.hero__dot.is-active {
  background: #fff;
}

.hero__dots--single {
  display: none;
}

/*--------------------------------------------------------
共通セクションスタイル
--------------------------------------------------------*/
.section-heading {
  /* font-family: 'Inter', sans-serif; */
  font-size: clamp(2rem, calc(0.5rem + 2.5vw), 5rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  margin-bottom: 3.1%;
  text-align: center;
}

.section-subheading {
  /* font-family: 'Inter', sans-serif; */
  font-size: clamp(1.1rem, calc(0.85rem + 0.25vw), 1.4rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #aaa;
  margin-bottom: 20px;
  text-align: center;
}

.section-text {
  font-size: clamp(1.3rem, calc(0.4rem + 1.5vw), 3.1rem);
  line-height: 2;
  margin: 0 auto;
  letter-spacing: 0.03em;
}

/*--------------------------------------------------------
ブランド紹介
--------------------------------------------------------*/
.brand {
  /* background-image: url("../img/img_01.png"); */
  /* background-position: center; */
  /* background-repeat: no-repeat; */
  /* background-size: cover; */
  max-width: 1800px;
  aspect-ratio: 1800 / 535;
  margin: 0 auto;
  padding: 80px 5% 60px;
}

.brand__heading {
  margin-bottom: 40px;
  line-height: 0;
}

.brand__heading img {
  width: clamp(200px, 36.6vw, 658px);
  height: auto;
}

.brand__text {
  margin: 0 auto;
}

.brand__text p {
  font-size: clamp(1.3rem, calc(0.4rem + 1.5vw), 3.1rem);
  line-height: 2;
  color: #fff;
  letter-spacing: 0.05em;
}

/*--------------------------------------------------------
IREZUMI
--------------------------------------------------------*/
.irezumi {
  position: relative;
  max-width: 1800px;
  margin: 0 auto;
}

.irezumi__bg {
  line-height: 0;
}

.irezumi__bg img {
  width: 100%;
  height: auto;
}

.irezumi__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 60px 5%;
}

.irezumi__visual {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 15px;
}

.irezumi__kanji-sub {
  flex-shrink: 0;
  line-height: 0;
}

.irezumi__kanji-sub img {
  height: clamp(150px, calc(25px + 20.833vw), 400px);
  width: auto;
}

.irezumi__img-sub-small {
  flex-shrink: 0;
  line-height: 0;
}

.irezumi__img-sub-small img {
  height: clamp(150px, calc(25px + 20.833vw), 400px);
  width: auto;
}

.irezumi__content {
  margin-top: -4%;
}

/* .irezumi__content .section-text {
  margin: 0;
} */

/*--------------------------------------------------------
NISHIJIN
--------------------------------------------------------*/
.nishijin {
  position: relative;
  max-width: 1800px;
  margin: 0 auto;
}

.nishijin__bg {
  line-height: 0;
}

.nishijin__bg img {
  width: 100%;
  height: auto;
}

.nishijin__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 60px 5%;
}

.nishijin__visual {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 15px;
}

.nishijin__img-small {
  flex-shrink: 0;
  line-height: 0;
}

.nishijin__img-small img {
  height: clamp(150px, calc(25px + 20.833vw), 400px);
  width: auto;
}

.nishijin__kanji {
  flex-shrink: 0;
  line-height: 0;
}

.nishijin__kanji img {
  height: clamp(150px, calc(25px + 20.833vw), 400px);
  width: auto;
}

.nishijin__content {
  margin-top: -4%;
}

/*--------------------------------------------------------
COLLECTION
--------------------------------------------------------*/
.collection .section-heading {
  color: var(--color-gold);
}

.collection {
  max-width: 1800px;
  margin: 0 auto;
  padding: 60px 5%;
}

.collection__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 100px;
  margin-bottom: 100px;
}

.collection__item {
  display: block;
  /* border: 1px solid #3a3a3a; */
  transition: opacity 0.3s;
  text-align: left;
}

.collection__item:hover {
  opacity: 0.8;
}

.collection__img {
  line-height: 0;
  overflow: hidden;
}

.collection__img img {
  width: 100%;
  height: auto;
}

.collection__name {
  font-family: 'Inter', sans-serif;
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: #fff;
  padding: 15px 10px;
}

.collection__name span {
  font-size: 1.1rem;
  color: var(--color-gold);
  font-weight: 400;
}

.collection__btn-wrap {
  text-align: center;
  margin-top: 10px;
}

.collection__btn {
  display: inline-block;
  font-size: clamp(1.3rem, calc(-0.05rem + 2.25vw), 4rem);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-indent: 0.15em;
  color: var(--color-gold);
  border: 3px solid var(--color-gold);
  padding: 15px 20px;
  transition: opacity 0.3s;
}

.collection__btn:hover {
  opacity: 0.8;
}

/*--------------------------------------------------------
FEATURE
--------------------------------------------------------*/
.feature-section .section-heading {
  color: var(--color-gold);
}

.feature-section {
  max-width: 1800px;
  margin: 0 auto;
  padding: 80px 5%;
}

.feature__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
  margin-top: 30px;
}

.feature__item {
  display: block;
  transition: opacity 0.3s;
}

.feature__item:hover {
  opacity: 0.8;
}

.feature__thumb {
  position: relative;
  line-height: 0;
  margin-bottom: 12px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: #1a1a1a;
}

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

.feature__label {
  position: absolute;
  top: 10px;
  left: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.6);
  padding: 4px 10px;
  z-index: 2;
}

.feature__title {
  font-size: 2rem;
  line-height: 1.6;
  color: #fff;
  margin-bottom: 6px;
}

.feature__date {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 1.2rem;
  color: #888;
}

.feature__coming {
  text-align: center;
  font-size: clamp(1.5rem, calc(0.75rem + 1.25vw), 3rem);
  letter-spacing: 0.2em;
  text-indent: 0.2em;
}

.feature__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 30px;
}

.feature__dot {
  width: 36px;
  height: 36px;
  border: 1px solid #666;
  background: transparent;
  color: #888;
  font-family: 'Inter', sans-serif;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all 0.3s;
}

.feature__dot.is-active {
  background: #fff;
  color: #000;
  border-color: #fff;
}

/*--------------------------------------------------------
フッター
--------------------------------------------------------*/
.site-footer {
  max-width: 1800px;
  margin: 0 auto;
  padding: 60px 5% 40px;
  background-color: #000;
}

.site-footer__emblem {
  text-align: center;
  margin-bottom: 2%;
  line-height: 0;
}

.site-footer__emblem img {
  height: clamp(50px, 5.5vw, 104px);
  width: auto;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1800px;
  margin: 0 auto;
}

.site-footer__brand {
  flex: 1;
  line-height: 0;
}

.site-footer__brand img {
  width: clamp(150px, 12vw, 208px);
  height: auto;
}

.site-footer__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  margin: 0px 5%;
}

.site-footer__nav a {
  position: relative;
  font-size: clamp(1.4rem, 1.1vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--color-gold);
  transition: opacity 0.3s;
}

.site-footer__nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: width 0.3s ease;
}

.site-footer__nav a:hover::after {
  width: 100%;
}

.site-footer__nav a:hover {
  opacity: 1;
}

.site-footer__info {
  flex: 1;
  text-align: left;
}

.site-footer__tagline {
  margin-bottom: 20px;
}

.site-footer__tagline p {
  font-size: 1.2rem;
  color: #ccc;
  line-height: 1.8;
}

.site-footer__social {
  display: flex;
  justify-content: flex-start;
  gap: 15px;
}

.site-footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-footer__social img {
  width: 45px;
  height: auto;
}

/*--------------------------------------------------------
レスポンシブ 900px
--------------------------------------------------------*/
@media screen and (max-width: 900px) {
  .feature__grid {
    gap: 3vw;
  }
}

/*--------------------------------------------------------
レスポンシブ 900px
--------------------------------------------------------*/
@media screen and (max-width: 900px) {
  /*--------------------------------------------------------
  HERO / HEADER / MODAL
  --------------------------------------------------------*/
  .hero {
    max-width: 100%;
  }

  .header__logo img {
    width: 33vw;
  }

  .header__menu {
    left: 15px;
    top: calc(9vw + 5px);
  }

  .modal__social img {
    /* width: 24px; */
  }

  /*--------------------------------------------------------
  BRAND
  --------------------------------------------------------*/
  .brand {
    padding: 50px 5% 40px;
  }

  .brand__heading {
    margin-bottom: 5%;
  }

  /*--------------------------------------------------------
  IREZUMI / NISHIJIN
  --------------------------------------------------------*/
  .irezumi__bg,
  .nishijin__bg {
    position: relative;
  }

  .irezumi__overlay,
  .nishijin__overlay {
    position: static;
    height: auto;
    padding: 3% 5% 10%;
  }

  .irezumi__visual,
  .nishijin__visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 5%;
    justify-content: space-between;
    align-items: flex-start;
  }

  .irezumi__kanji-sub img,
  .nishijin__kanji img {
    width: auto;
    height: 56vw;
  }

  .irezumi__img-sub-small,
  .nishijin__img-small {
    margin-top: 20%;
  }

  .irezumi__img-sub-small img,
  .nishijin__img-small img {
    width: auto;
    height: 30vw;
  }

  .irezumi__content,
  .nishijin__content {
    margin-top: 0;
  }

  /*--------------------------------------------------------
  COLLECTION
  --------------------------------------------------------*/
  .collection__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .collection__name span {
    display: block;
  }

  /*--------------------------------------------------------
  FEATURE
  --------------------------------------------------------*/
  .feature__grid {
    gap: 15px;
  }

  .feature__title {
    font-size: clamp(1.4rem, 2.3vw, 2rem);
  }

  /*--------------------------------------------------------
  FOOTER
  --------------------------------------------------------*/
  .site-footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
  }

  .site-footer__emblem {
    margin-bottom: -2%;
  }

  .site-footer__info {
    text-align: center;
    padding-left: 0;
  }

  .site-footer__social {
    justify-content: center;
  }

  
}

/*--------------------------------------------------------
レスポンシブ 600px
--------------------------------------------------------*/
@media screen and (max-width: 600px) {
  /*--------------------------------------------------------
  BRAND
  --------------------------------------------------------*/
  .brand {
    padding: 40px 5% 30px;
  }

  .brand__heading {
    letter-spacing: 0.1em;
  }

  .brand__heading img {
    width: clamp(200px, 65vw, 658px);
  }

  .brand__text p {
    line-height: 1.8;
  }

  /*--------------------------------------------------------
  IREZUMI / NISHIJIN
  --------------------------------------------------------*/
  /* .irezumi,
  .nishijin,
  .collection {
    padding: 40px 5%;
  } */

  .irezumi__visual {
    gap: 10px;
  }

  /*--------------------------------------------------------
  FEATURE
  --------------------------------------------------------*/
  .feature-section {
    padding: 40px 5%;
  }

  .feature__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /*--------------------------------------------------------
  COLLECTION
  --------------------------------------------------------*/
  .collection__name {
    font-size: 1.2rem;
    padding: 10px 8px;
  }

  .collection__btn {
    padding: 12px 40px;
  }

  /*--------------------------------------------------------
  FOOTER
  --------------------------------------------------------*/
  .site-footer {
    padding: 40px 5% 20px;
  }

  /*--------------------------------------------------------
  MODAL
  --------------------------------------------------------*/
  .modal__nav a {
    font-size: 1.3rem;
  }

  .modal__links a {
    font-size: 1.6rem;
  }
}