@charset "UTF-8";

@import url('https://fonts.googleapis.com/css2?family=Alumni+Sans:ital,wght@0,100..900;1,100..900&family=Noto+Sans+JP:wght@100..900&display=swap');

@media screen and (min-width: 896px) {

  .sp {
    display: none !important;
  }

  .pc {
    display: block;
  }
}

@media screen and (max-width: 897px) {
  .pc {
    display: none !important;
  }

  .sp {
    display: block;
  }
}

:root {
  --en-text: "Alumni Sans", sans-serif;
  --main-black: #101010;
  --accent-color: #E72020;
  --gray: #8A8A8A;
  --weight-200: 200;
  --weight-400: 400;
  --weight-600: 600;
}

html {
  scroll-behavior: smooth;
}

body,
html {
  position: relative;
  margin: 0;
  padding: 0;
  height: 100%;
  font-size: 1rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  color: #1c1c1c;
}


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


.page-transition {
  position: fixed;
  inset: 0;
  background: var(--main-black);
  z-index: 99999;
  transform: translateX(0);
  pointer-events: none;
}

.page-transition.is-leave {
  animation: pageLeave .8s cubic-bezier(.77, 0, .18, 1) forwards;
}

.page-transition.is-enter {
  animation: pageEnter .8s cubic-bezier(.77, 0, .18, 1) forwards;
}

@keyframes pageLeave {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(100%);
  }
}

@keyframes pageEnter {
  from {
    transform: translateX(-100%);
  }

  to {
    transform: translateX(0);
  }
}


.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  width: 280px;
  height: 100%;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  padding: 40px 0 0;
  background: var(--main-black);
  color: #ffffff;
  text-align: center;
  font-family: var(--en-text);
  font-weight: var(--weight-200);
  box-shadow: 2px 0px 16px 0px rgba(78, 78, 78, 0.5);
}

.header-nav {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.header a {
  transition: all 0.2s ease;
}

.header a:hover {
  filter: brightness(0.8);
}

.header-top {
  width: 240px;
  margin: 0 auto;
}

.header-top h1 {
  font-size: 32px;
  letter-spacing: 0.04em;
}

.nav-icon ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--gray);
}

.nav-icon ul a {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px 0;
}

.nav-icon ul li:nth-child(1) {
  border-right: 1px solid var(--gray);
}

.nav-icon ul img {
  height: 28px;
  object-fit: contain;
}

.header-nav-link {
  font-size: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  letter-spacing: 0.06em;
}



.main {
  padding-left: 280px;
}

.kv {
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kv-logo {
  max-width: 600px;
  pointer-events: none;
}

.section {
  padding: 80px 0;
  font-family: var(--en-text);
}

.recently-section {
  color: #ffffff;
  background: var(--main-black);
}


.content {
  width: 90%;
  margin: 0 auto;
}

.h2,
.h2-white {
  text-align: center;
  font-weight: var(--weight-600);
  font-size: 48px;
  letter-spacing: 0.02em;
  margin-bottom: 40px;

  color: transparent;
  background-size: 200% 100%;
  background-clip: text;
  -webkit-background-clip: text;
}

/* 発火時 */
.h2.is-active,
.h2-white.is-active {
  animation: shine 3s ease-out forwards;
}

.h2 {
  background-image: linear-gradient(110deg,
      #111 47%,
      #ff4d4d 49%,
      #fff 50%,
      #ff4d4d 51%,
      #111 53%);
}

.h2-white {
  color: transparent;
  background: #ffffff;
  background-clip: text;
  -webkit-background-clip: text;
  text-shadow:
    0 0 4px rgba(255, 255, 255, .4);
}

.h2-white.is-active {
  background-image: linear-gradient(110deg,
      #ffffff 45%,
      #ffffff 48%,
      #ff4d4d 49.5%,
      #ffffff 50%,
      #ff4d4d 50.5%,
      #ffffff 52%,
      #ffffff 55%);

  background-size: 200% 100%;
  animation: shine-white 3s ease-out;
}

@keyframes shine {
  from {
    background-position: 120% 0;
  }

  to {
    background-position: -20% 0;
  }
}

@keyframes shine-white {
  from {
    background-position: 120% 0;
  }

  to {
    background-position: -20% 0;
  }
}



.item-list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.item-list a {
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.2s ease;
}

.item-list a:hover {
  filter: opacity(0.6);
}


.item-img {
  position: relative;
  overflow: hidden;
  box-shadow: 0px 0px 6px 0px rgba(164, 164, 164, 0.2);
}

.item-img::after {
  content: "";
  position: absolute;
  inset: 0;
  left: -150%;
  width: 50%;
  height: 100%;

  background: linear-gradient(110deg,
      transparent 35%,
      #ff4d4d 48%,
      rgba(255, 255, 255, .9) 50%,
      #ff4d4d 52%,
      transparent 65%);

  transform: skewX(-25deg);
  pointer-events: none;
  mix-blend-mode: screen;
}

.item-list a:hover .item-img::after {
  animation: shine-img 0.8s ease-out forwards;
}

@keyframes shine-img {
  from {
    left: -150%;
  }

  to {
    left: 200%;
  }
}

.only-badge {
  position: absolute;
  right: 10px;
  bottom: 10px;
  max-width: 64px;
}



.item-info h3 {
  font-size: 28px;
  line-height: 80%;
  font-weight: var(--weight-600);
}

.item-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item-info div {
  display: flex;
  justify-content: space-between;
  font-size: 24px;
  font-weight: var(--weight-400);
  line-height: 70%;
}

.item-info div small {
  margin-left: 4px;
}


.button {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  max-width: 300px;
  height: 48px;
  margin: 56px auto 0;
  border: 1px solid var(--main-black);
  color: var(--main-black);
  text-decoration: none;
  transition: color 0.3s ease;
}

.button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--main-black);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: -1;
}

.button span,
.button {
  z-index: 1;
}

.button span {
  position: relative;
  z-index: 1;
}

.button:hover {
  color: #fff;
}

.button:hover::before {
  transform: translateX(0);
}

.footer {
  color: var(--main-black);
  font-family: var(--en-text);
  padding: 48px 0 8px 280px;
}

.footer-guide {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  font-size: 28px;
  letter-spacing: 0.02em;
}

.footer-guide a:hover {
  opacity: 0.6;
}

.footer-guide a {
  transition: all 0.2s ease;
}

.footer-sns {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 16px;
  max-width: 250px;
  margin: 24px auto 40px;
}

.footer-sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-color);
  aspect-ratio: 1/1;
  border-radius: 100px;
  transition: all 0.2s ease;
}

.footer-sns a:hover {
  opacity: 0.6;
}

.footer-sns li:nth-child(1) a img {
  transform: translateX(1px) translateY(-1px);
}

.footer-sns li:nth-child(4) a img {
  height: 20px;
}

.footer-sns img {
  height: 24px;
  object-fit: contain;
}

.copy {
  text-align: center;
  color: var(--gray);
}


.lower-section {
  padding: 120px 0 80px;
}

.lower-title {
  font-family: var(--en-text);
  font-size: 48px;
  font-weight: var(--weight-600);
  text-align: center;
  margin-bottom: 40px;
}

.item-content {
  display: flex;
  align-items: flex-start;
  position: relative;
}

.item-content::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--gray);
}

.item-imgBox {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 80px 80px;
  gap: 40px;
  width: 50%;
}

.item-imgBox div {
  box-shadow: 0px 0px 12px 0px rgba(114, 114, 114, 0.2);
}


.item-box {
  padding: 80px 80px;
  position: sticky;
  top: 0;
  width: 50%;
}


.lower-item-title {
  font-family: var(--en-text);
  font-weight: var(--weight-600);
  font-size: 64px;
  line-height: 80%;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.lower-item-price {
  font-family: var(--en-text);
  font-weight: var(--weight-400);
  font-size: 48px;
  line-height: 70%;
}

.lower-item-price small {
  font-size: 24px;
  margin-left: 8px;
}

.lower-item-infoBox {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 48px;
}

.lower-item-dl {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lower-item-dl dt {
  font-size: 18px;
  font-weight: 400;
  transform: translateX(-10px);
}

.lower-item-dl dd {
  font-size: 16px;
  font-weight: 400;
  line-height: 150%;
}

.lower-item-notice {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lower-item-notice p {
  font-size: 18px;
  font-weight: 400;
}

.lower-item-notice ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  line-height: 130%;
  font-size: 14px;
  font-weight: 400;
}

.lower-item-notice ul li {
  display: flex;
  gap: 2px;
}

.lower-item-notice a {
  text-decoration: underline;
  color: #E72020;
}

.set-text {
  color: #E72020;
  font-weight: 700;
  margin-top: 24px;
  font-size: 18px;
  line-height: 130%;
}

.notes-bold {
  font-weight: 600;
}

.notes-span {
  color: #E72020;
}

.size-select {
  border: solid 1px #000;
  width: fit-content;
  display: flex;
  justify-content: center;
  font-family: var(--en-text);
  font-weight: var(--weight-200);
  font-size: 32px;
}

.size-select input {
  display: none;
}

.size-select label {
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  width: 56px;
  height: 56px;
  border-right: 1px solid #000;
  background: #fff;
  color: #000;
}

.size-select.wide label {
  width: 100px;
  font-size: 12px;
}

.size-select label:last-of-type {
  border-right: 0px;
}

.size-select input[type="radio"]:checked+label {
  background-color: var(--accent-color);
  color: #fff;
}

.addCart-button {
  font-size: 24px;
  font-family: var(--en-text);
  max-width: initial;
  width: 100%;
  margin: 0 auto;
}

.addCart-button:hover {
  color: #fff;
}

.cart-buttonBox {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 16px;
  max-width: 500px;
}


.item-ecOnly {
  font-family: var(--en-text);
  color: #ffffff;
  background: var(--accent-color);
  width: fit-content;
  padding: 2px 20px 2px;
  font-size: 20px;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
  border-radius: 100px;
}

.shopping-box {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto;
  font-weight: 400;
  font-family: "Noto Sans JP", sans-serif;
}

.shopping-box a {
  text-decoration: underline;
}

.shopping-box h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.shopping-box {
  font-size: 14px;
  line-height: 140%;
}

.shopping-box ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
}

.shopping-box ul li {
  display: flex;
  gap: 2px;
}




@media screen and (max-width: 1300px) {
  .item-imgBox {
    padding: 80px 56px;
  }

  .item-box {
    padding: 80px 56px;
  }


}


@media screen and (max-width: 1000px) {

  .main {
    padding-left: 0;
  }

  .footer {
    padding-left: 0;
  }

  .hamburger {
    display: none;
    position: relative;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 100;
  }

  .hamburger span {
    position: absolute;
    left: 6px;
    right: 6px;
    height: 2px;
    background: #fff;
    transition: top .3s ease, transform .3s ease, opacity .3s ease;
  }

  .hamburger span:nth-child(1) {
    top: 12px;
  }

  .hamburger span:nth-child(2) {
    top: 20px;
  }

  .hamburger span:nth-child(3) {
    top: 28px;
  }

  /* ×に変化 */
  .hamburger.is-active span:nth-child(1) {
    top: 20px;
    transform: rotate(45deg);
  }

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

  .hamburger.is-active span:nth-child(3) {
    top: 20px;
    transform: rotate(-45deg);
  }

  .header {
    width: 100%;
    height: auto;
    top: 0;
    left: 0;
    flex-direction: column;
    padding: 0;
  }

  .header-sp-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
  }

  .header-top {
    width: auto;
    margin: 0;
  }

  .header-top a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }

  .header-top img {
    height: 24px;
    width: auto;
  }

  .header-top h1 {
    font-size: 16px;
  }

  .hamburger {
    display: block;
  }

  .header-nav {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 40px;
    border-top: 1px solid var(--gray);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    padding: 0 0;
    transition: max-height .4s ease, opacity .35s ease, padding .4s ease;
  }

  .header-nav.is-open {
    max-height: 600px;
    /* 中身が確実に収まる十分大きい値 */
    opacity: 1;
    padding: 40px 0 0;
  }

  .header-nav-link {
    font-size: 24px;
    gap: 12px;
  }

  .nav-icon ul {
    border-top: 1px solid var(--gray);
  }

  .kv-logo {
    max-width: 400px;
  }

  .item-list {
    gap: 32px;
  }
}



@media screen and (max-width: 896px) {

  .kv-logo {
    transform: translateX(4px);
  }

  .section {
    padding: 48px 0;
  }

  .lower-section {
    padding: 104px 0 56px;
  }

  .h2 {
    font-size: 32px;
    margin-bottom: 32px;
  }

  .lower-title {
    font-size: 32px;
    margin-bottom: 32px;
  }

  .item-list {
    grid-template-columns: 1fr 1fr;
  }

  .item-list {
    column-gap: 24px;
    row-gap: 48px;
  }

  .item-info h3 {
    font-size: 24px;
    letter-spacing: 0.02em;
  }

  .item-info div {
    font-size: 18px;
  }

  .only-badge {
    max-width: 48px;
    right: 6px;
    bottom: 6px;
  }

  .footer {
    padding: 32px 0 8px 0;
  }

  .footer-sns {
    max-width: 200px;
    gap: 8px;
  }

  .footer-sns li:nth-child(4) a img {
    height: 16px;
  }

  .footer-sns img {
    height: 20px;
    object-fit: contain;
  }

  .footer-guide {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 20px;
    gap: 16px;
  }

  .item-content {
    flex-direction: column;
    max-width: 500px;
    margin: 0 auto;
    gap: 40px;
    width: 90%;
    padding: 120px 0 80px;
  }

  .item-content::before {
    display: none;
  }

  .item-imgBox {
    padding: 0 0;
    width: 100%;
    gap: 24px;
  }

  .item-box {
    padding: 0 0;
    width: 100%;
  }

  .lower-item-title {
    font-size: 48px;
    margin-bottom: 10px;
  }

  .lower-item-infoBox {
    gap: 24px;
    margin-top: 32px;
  }

  .lower-item-price {
    font-size: 32px;
  }

  .lower-item-price small {
    font-size: 18px;
  }

  .lower-item-dl dt {
    font-size: 16px;
  }

  .lower-item-dl dd {
    font-size: 14px;
  }

  .shopping-box ul {
  gap: 8px;
}

}

@media screen and (max-width: 400px) {

  .kv {
    height: 100%;
    padding: 120px 0 40px;
    width: 90%;
    margin: 0 auto;
  }

  .kv-logo {
    max-width: 280px;
  }

  .item-list a {
    gap: 10px;
  }

  .item-info h3 {
    font-size: 20px;
  }

  .item-list {
    column-gap: 20px;
    row-gap: 40px;
  }

  .only-badge {
    max-width: 32px;
  }
}