.common_title {
  font-size: 8.2rem;
}
.page_title {
  margin-top: 0;
}
.howto {
  padding-top: 24rem;
  overflow-x: clip;
}
.howto_inner {
  max-width: 135rem;
  margin-inline: auto;
}
.howto_columns {
  display: grid;
  grid-template-columns: 20rem minmax(0, 59rem) minmax(0, 35rem);
  gap: 0 10rem;
  align-items: start;
  margin-top: 10rem;
}
.howto_sidebar {
  position: sticky;
  top: 12rem;
  align-self: start;
}
.howto_sidebar_nav {
  display: grid;
}
.howto_sidebar_link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  /* padding-right: 1rem; */
  font-size: 1.3rem;
  line-height: 1.8;
  transition: color 0.35s ease;
}
.howto_sidebar_link::after {
  content: "";
  display: block;
  flex: 0 0 auto;
  width: 0.7rem;
  height: 0.8rem;
  margin-left: 1.6rem;
  background-color: var(--color-brown);
  -webkit-mask: url(../img/arrow-right.svg) no-repeat center;
  -webkit-mask-size: contain;
  mask: url(../img/arrow-right.svg) no-repeat center;
  mask-size: contain;
  transform: rotate(90deg);
}
.howto_sidebar_link:hover,
.howto_sidebar_link:focus-visible,
.howto_sidebar_link.is-current {
  color: var(--color-brown);
}
.howto_sidebar_link:hover::after,
.howto_sidebar_link:focus-visible::after {
  animation: howtoArrowMoveDown 0.3s ease-out forwards;
}
@keyframes howtoArrowMoveDown {
  0% {
    transform: translateY(0) rotate(90deg);
    opacity: 1;
  }
  50% {
    transform: translateY(50%) rotate(90deg);
    opacity: 0;
  }
  51% {
    transform: translateY(-50%) rotate(90deg);
    opacity: 0;
  }
  100% {
    transform: translateY(0) rotate(90deg);
    opacity: 1;
  }
}
.howto_sp_nav {
  display: none;
}
.howto_intro {
  padding-inline: 2rem;
}
.howto_intro_title {
  font-family: var(--font-hyght);
  font-size: 3.6rem;
  font-weight: 300;
}
.howto_intro_title span {
  font-family: var(--font-mincho);
  font-size: 2.1rem;
}
.howto_intro_text {
  margin-top: 4rem;
  font-size: 1.4rem;
  line-height: 1.8;
}
.howto_section {
  position: relative;
  margin-top: 16rem;
  padding: 7rem;
  background-color: #f8f7f4;
  scroll-margin-top: 12rem;
}
.howto_section_kicker {
  position: absolute;
  top: -5rem;
  left: 2rem;
  display: flex;
  align-items: baseline;
  gap: 2.2rem;
  font-size: 1.2rem;
  white-space: nowrap;
}
.howto_section_kicker::before {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-brown);
  border-radius: 50%;
}
.howto_section_kicker span {
  padding-left: 1.5rem;
  font-family: var(--font-hyght);
  font-size: 2.2rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-brown);
}
.howto_section_heading {
  text-align: center;
}
.howto_section_title {
  font-family: var(--font-mincho);
  font-size: 2.4rem;
  font-weight: 400;
  line-height: 1.5;
}
.howto_section_lead {
  margin-top: 2rem;
  font-size: 1.4rem;
  line-height: 1.8;
}
.howto_flow {
  display: block;
  width: 100%;
  margin-top: 2.2rem;
}
.howto_flow_image {
  display: block;
  width: 100%;
  height: auto;
}
#dry .howto_flow {
  width: calc(100% + 14rem);
  margin-left: -7rem;
  padding-inline: 2rem;
}
.howto_steps {
  display: grid;
  gap: 2.4rem;
  margin-top: 3.5rem;
}
.howto_step_number {
  margin-bottom: 0.6rem;
  font-family: var(--font-ppneue);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-brown);
}
.howto_step_title {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 1rem;
  background-color: var(--color-brown);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 400;
}
.howto_step_title span {
  padding-left: 0.7rem;
  border-left: 1px solid #fff;
  font-family: var(--font-ppneue);
  font-size: 1.4rem;
}
.howto_step_text,
.howto_step_note {
  margin-top: 1rem;
  font-size: 1.4rem;
  line-height: 1.5;
}
.howto_step_note {
  color: var(--color-brown);
}
.howto_step_note span {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-ppneue);
}
.howto_check {
  position: relative;
  margin-top: 3rem;
  padding: 1.4rem 1.8rem 1.2rem;
  border: 1px solid #1a4338;
  border-radius: 0 0.6rem 0.6rem 0.6rem;
}
.howto_check_heading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: fit-content;
  margin-top: -2.5rem;
  margin-left: -2rem;
  padding-right: 0.8rem;
  color: #1a4338;
  background-color: #f8f7f4;
}
.howto_check_heading span {
  font-size: 1.3rem;
  line-height: 1.8;
}
.howto_check_icon {
  flex: 0 0 auto;
  width: 2.5rem;
  height: auto;
}
.howto_check_text {
  font-size: 1.2rem;
  line-height: 1.5;
}

.howto_product {
  position: sticky;
  top: 12rem;
  align-self: start;
}
.howto_product_sticky {
  position: relative;
  min-height: 55rem;
}
.howto_product_panel {
  position: absolute;
  inset: 0 0 auto;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(1rem);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease,
    visibility 0s linear 0.55s;
}
.howto_product_panel.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0s;
}
.howto_product_label {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  color: var(--color-brown);
}
.howto_product_label::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--color-brown);
}
.howto_product_link {
  position: relative;
  display: block;
}
.howto_product_image {
  overflow: hidden;
  aspect-ratio: 354 / 445;
  background-color: #fff;
}
.howto_product_image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
a.howto_product_link:hover .howto_product_image img {
  transform: scale(1.025);
}
.howto_product_name {
  margin-top: 1.7rem;
  padding-right: 2.4rem;
  font-family: var(--font-hyght);
  font-size: 2.6rem;
  font-weight: 300;
  line-height: 1;
}
.howto_product_name_ja {
  margin-top: 1.6rem;
  padding-right: 2.4rem;
  font-size: 1.3rem;
  line-height: 1.2;
}
.howto_product_arrow {
  position: absolute;
  right: 0;
  bottom: 0;
  display: block;
  width: 0.7rem;
  height: 0.8rem;
  background-color: var(--color-brown);
  -webkit-mask: url(../img/arrow-right.svg) no-repeat center;
  -webkit-mask-size: contain;
  mask: url(../img/arrow-right.svg) no-repeat center;
  mask-size: contain;
}
.howto_product_link:hover .howto_product_arrow,
.howto_product_link:focus-visible .howto_product_arrow,
.howto_product_link:focus-within .howto_product_arrow {
  animation: howtoProductArrowMove 0.3s ease-out forwards;
}
@keyframes howtoProductArrowMove {
  0% {
    transform: translateX(0);
    opacity: 1;
  }
  50% {
    transform: translateX(50%);
    opacity: 0;
  }
  51% {
    transform: translateX(-50%);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}
.howto_product_sp {
  display: none;
}
.howto_breadcrumb {
  margin-top: 13rem;
}

@media (max-width: 1024px) {
  html {
    scroll-behavior: smooth;
  }
  .howto .common_title {
    font-size: 5.2rem;
  }
  .howto {
    padding-top: 10rem;
  }
  .howto_inner {
    max-width: none;
    margin: 0 1.6rem;
  }
  .howto_intro {
    padding-inline: 0;
  }
  .howto_columns {
    display: block;
    margin-top: 7rem;
  }
  .howto_sidebar,
  .howto_product {
    display: none;
  }
  .howto_sp_nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 4rem;
    margin-top: 4rem;
    /* position: sticky;
    top: 6rem;
    z-index: 100;
    padding: 1rem;
    background-color: rgba(250, 250, 250, 0.86);
    -webkit-backdrop-filter: blur(11px);
    backdrop-filter: blur(11px); */
  }
  .howto_sidebar_link {
    min-height: 2rem;
    padding-right: 0;
    font-size: 1.3rem;
    white-space: nowrap;
  }
  .howto_intro_title {
    font-size: 2.9rem;
    line-height: 1;
  }
  .howto_intro_title span {
    font-size: 1.9rem;
    line-height: 1.8;
  }
  .howto_intro_text {
    margin-top: 2rem;
    font-size: 1.3rem;
    line-height: 1.8;
  }
  .howto_section {
    margin: 11rem -1.6rem 0;
    padding: 6rem 2rem;
    scroll-margin-top: 12rem;
  }
  .howto_section_kicker {
    top: -3.5rem;
    gap: 1.5rem;
    font-size: 1.3rem;
  }
  .howto_section_kicker span {
    font-size: 2.3rem;
  }
  .howto_section_title {
    font-size: 1.9rem;
  }
  .howto_section_lead {
    font-size: 1.3rem;
  }
  .howto_flow {
    margin-top: 2.5rem;
  }
  #dry .howto_flow {
    width: 25rem;
    margin: 2rem auto;
    padding: 0;
  }
  .howto_steps {
    gap: 2.5rem;
    margin-top: 3rem;
  }
  .howto_step_title {
    padding: 0.5rem 0.6rem;
    font-size: 1.3rem;
  }
  .howto_step_title span {
    font-size: 1.3rem;
  }
  .howto_step_number {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
  }
  .howto_step_text,
  .howto_step_note {
    font-size: 1.3rem;
  }
  .howto_check {
    width: fit-content;
    padding: 1.5rem 1.5rem 0.75rem 1rem;
    margin-left: 1rem;
  }
  .howto_check_text {
    font-size: 1.3rem;
  }
  .howto_check_icon {
    width: 1.6rem;
  }
  .howto_check_heading span {
    font-size: 1.1rem;
  }
  .howto_product_sp {
    display: block;
    margin: 0 -2rem;
    padding: 0 3rem 5rem;
    background-color: #f8f7f4;
  }
  .howto_product_image {
    aspect-ratio: 331 / 440;
  }
  .howto_product_image img {
    object-fit: contain;
  }
  .howto_product_name {
    font-size: 2.2rem;
  }
  .howto_breadcrumb {
    margin-top: 8rem;
  }
}