:root {
  /* font */
  --FONT_FAMILY: "Yu Gothic", sans-serif;
  --FONT_JA: "Noto Sans JP", sans-serif;
  --FONT_EN: "Inter", sans-serif;
  --FONT_MONO: "JetBrains Mono", monospace;
  /* color */
  --COLOR_PRIMARY: #fff;
  --COLOR_SECONDARY: #ddd;
  --COLOR_FONT: #666666;
  --COLOR_GRAY: #707070;
  --COLOR_STRONG: #e11515;
  --COLOR_BTN: #FDB0A3;
  --COLOR_BTN2: #D88273;
  --COLOR_BTN3: #B0D2E8;
  --COLOR_BEIGE: #FEF4E7;
  /* color - landing page */
  --COLOR_BG: #FAFAF9;
  --COLOR_DARK: #1A1A1A;
  --COLOR_BORDER: #E5E5E3;
  --COLOR_ACCENT: #3538CD;
  --COLOR_ACCENT_DARK: #2d2eb3;
  /* width */
  --FONT_SIZE: px-to-rem(16);
  /* width */
  --WIDTH_CONTENT: 1400px;
  /* margin */
  --MODULE_MARGIN: 24px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ol,
ul,
dl,
dt,
dd,
button,
figure {
  margin: 0;
  padding: 0;
}

img,
button {
  border: 0;
}

button {
  background-color: transparent;
}
button:not([disabled]) {
  cursor: pointer;
}

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  color: var(--COLOR_FONT);
  font-family: var(--FONT_FAMILY);
  font-feature-settings: "palt";
  font-size: var(--FONT_SIZE);
  height: 100%;
  line-height: var(--LINE_HEIGHT);
  overflow-x: hidden;
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: bold;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

em,
strong,
b {
  font-weight: bold;
}

em {
  font-style: normal;
  color: var(--COLOR_BRAND_PRIMARY);
}

strong {
  color: var(--COLOR_ROLE_DANGER_DARK);
}

sub,
sup {
  bottom: -0.2em;
  font-size: 50%;
}

img,
svg {
  height: auto;
  max-width: 100%;
  width: auto;
}

img {
  vertical-align: bottom;
}

a {
  text-decoration: none;
}
a img {
  pointer-events: none;
}

[type=text],
[type=date],
[type=datetime-local],
[type=email],
[type=month],
[type=number],
[type=password],
[type=search],
[type=tel],
[type=time],
[type=url],
[type=week],
select {
  line-height: 1;
}

[type=text],
[type=date],
[type=datetime-local],
[type=email],
[type=month],
[type=number],
[type=password],
[type=search],
[type=tel],
[type=time],
[type=url],
[type=week],
select,
textarea {
  appearance: none;
  border-radius: 0;
  color: currentColor;
  font-size: 1rem;
}

[type=date]::-webkit-inner-spin-button, [type=date]::-webkit-clear-button {
  appearance: none;
}
[type=date]::-webkit-calendar-picker-indicator {
  height: 100%;
  left: 0;
  opacity: 0;
  padding: 0;
  position: absolute;
  top: 0;
  width: 100%;
}

::placeholder {
  opacity: 1;
}

textarea {
  overflow: auto hidden;
  resize: vertical;
}

summary::-webkit-details-marker {
  display: none;
}

li {
  list-style: none;
}

.section {
  position: relative;
  padding-block: 8rem;
  background-color: var(--COLOR_BG);
  scroll-margin-top: 4rem;
}

.section__rule {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 0.0625rem;
  background-color: var(--COLOR_BORDER);
}

.l-inner {
  width: 100%;
  max-width: 80rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}
@media screen and (min-width: 768px) {
  .l-inner {
    padding-inline: 3rem;
  }
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 4rem;
  font-size: 0.875rem;
  font-weight: 400;
}

.eyebrow__num {
  font-family: var(--FONT_MONO);
  color: var(--COLOR_ACCENT);
}

.eyebrow__dash {
  font-family: var(--FONT_MONO);
  color: var(--COLOR_BORDER);
}

.eyebrow__label {
  font-family: var(--FONT_EN);
  color: color-mix(in srgb, var(--COLOR_DARK) 60%, transparent);
}

.lead {
  max-width: 48rem;
  font-family: var(--FONT_JA);
  font-size: 1.5rem;
  line-height: 1.625;
  color: var(--COLOR_DARK);
}
@media screen and (min-width: 768px) {
  .lead {
    font-size: 1.875rem;
  }
}

.panel {
  position: relative;
}

.panel__marker {
  position: absolute;
  top: -0.75rem;
  color: var(--COLOR_BORDER);
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
}
.panel__marker--left {
  left: -0.75rem;
}
.panel__marker--right {
  right: -0.75rem;
}

.panel__body {
  height: 100%;
  padding: 2.5rem;
  border: 0.0625rem solid var(--COLOR_BORDER);
  border-radius: 0.5rem;
  background-color: color-mix(in srgb, var(--COLOR_PRIMARY) 40%, transparent);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.icon {
  flex-shrink: 0;
  color: var(--COLOR_ACCENT);
}

.header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  border-bottom: 0.0625rem solid var(--COLOR_BORDER);
  background-color: color-mix(in srgb, var(--COLOR_BG) 95%, transparent);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.header__logo {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header__logo-mark {
  font-family: var(--FONT_MONO);
  color: var(--COLOR_ACCENT);
}

.header__logo-text {
  font-family: var(--FONT_EN);
  font-weight: 500;
  color: var(--COLOR_DARK);
}

.header__toggle {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3125rem;
  width: 2.5rem;
  height: 2.5rem;
  margin-right: -0.5rem;
}
@media screen and (min-width: 768px) {
  .header__toggle {
    display: none;
  }
}

.header__toggle-bar {
  display: block;
  width: 1.375rem;
  height: 0.125rem;
  background-color: var(--COLOR_DARK);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.header__toggle.is-open .header__toggle-bar:nth-child(1) {
  transform: translateY(0.4375rem) rotate(45deg);
}

.header__toggle.is-open .header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.header__toggle.is-open .header__toggle-bar:nth-child(3) {
  transform: translateY(-0.4375rem) rotate(-45deg);
}

.header__nav {
  counter-reset: navnum;
  position: fixed;
  top: 4rem;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  padding: 2.5rem 1.75rem 2.5rem;
  overflow-y: auto;
  background-color: var(--COLOR_BG);
  background-image: linear-gradient(to right, var(--COLOR_BORDER) 0.03125rem, transparent 0.03125rem), linear-gradient(to bottom, var(--COLOR_BORDER) 0.03125rem, transparent 0.03125rem);
  background-size: 2rem 2rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.5rem);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}
.header__nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  height: 90svh;
}
@media screen and (min-width: 768px) {
  .header__nav {
    counter-reset: none;
    position: static;
    inset: auto;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 0;
    overflow: visible;
    background-color: transparent;
    background-image: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
  }
}

.header__nav-label {
  display: block;
  margin-bottom: 1.5rem;
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
  letter-spacing: 0.1875rem;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--COLOR_DARK) 45%, transparent);
}
@media screen and (min-width: 768px) {
  .header__nav-label {
    display: none;
  }
}

.header__link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: 1.25rem;
  border-top: 0.0625rem solid var(--COLOR_BORDER);
  font-family: var(--FONT_EN);
  font-size: 1.5rem;
  color: var(--COLOR_DARK);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.header__link::before {
  counter-increment: navnum;
  content: counter(navnum, decimal-leading-zero);
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
  color: var(--COLOR_ACCENT);
}
.header__link:hover, .header__link:focus-visible {
  padding-left: 0.5rem;
  color: var(--COLOR_ACCENT);
}
@media screen and (min-width: 768px) {
  .header__link {
    display: block;
    gap: 0;
    padding-block: 0;
    border-top: 0;
    font-family: var(--FONT_EN);
    font-size: 0.875rem;
    transition: color 0.2s ease;
  }
  .header__link::before {
    content: none;
  }
  .header__link:hover, .header__link:focus-visible {
    padding-left: 0;
  }
}

.header__nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: auto;
  padding: 1.125rem 1.5rem;
  border-radius: 0.5rem;
  background-color: var(--COLOR_ACCENT);
  color: var(--COLOR_PRIMARY);
  font-family: var(--FONT_JA);
  font-weight: 500;
  transition: background-color 0.2s ease;
}
.header__nav-cta:hover {
  background-color: var(--COLOR_ACCENT_DARK);
}
@media screen and (min-width: 768px) {
  .header__nav-cta {
    display: none;
  }
}

body.is-nav-open {
  overflow: hidden;
}

.footer {
  position: relative;
  padding-block: 3rem;
  border-top: 0.0625rem solid var(--COLOR_BORDER);
  background-color: var(--COLOR_BG);
}

.footer__bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
@media screen and (min-width: 768px) {
  .footer__bar {
    flex-direction: row;
  }
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__logo-mark {
  font-family: var(--FONT_MONO);
  color: var(--COLOR_ACCENT);
}

.footer__logo-text {
  font-family: var(--FONT_EN);
  font-weight: 500;
  color: var(--COLOR_DARK);
}

.footer__copy {
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--COLOR_DARK) 40%, transparent);
}

.fv {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  background-color: var(--COLOR_BG);
}

.fv__grid {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.fv__grid-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, var(--COLOR_BORDER) 0.03125rem, transparent 0.03125rem), linear-gradient(to bottom, var(--COLOR_BORDER) 0.03125rem, transparent 0.03125rem);
  background-size: 2rem 2rem;
  opacity: 0.04;
  animation: fv-grid-pulse 8s ease-in-out infinite;
}

.fv__grid-nodes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.fv__spot {
  position: absolute;
  top: 0;
  left: 0;
  width: 32.5rem;
  height: 32.5rem;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--COLOR_ACCENT) 8%, transparent), transparent 70%);
  opacity: 0;
}

.fv__marker {
  position: absolute;
  top: 2rem;
  color: var(--COLOR_BORDER);
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
}
.fv__marker--tl {
  left: 2rem;
}
.fv__marker--tr {
  right: 2rem;
}

.fv__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 80rem;
  margin-inline: auto;
  padding: 8rem 1.5rem;
}
@media screen and (min-width: 768px) {
  .fv__inner {
    padding-inline: 3rem;
  }
}

.fv__content {
  max-width: 56rem;
}

.fv__title {
  margin-bottom: 2rem;
  font-family: var(--FONT_JA);
  font-weight: 500;
  line-height: 1.2;
}

.fv__title-text {
  display: block;
  color: var(--COLOR_DARK);
  font-size: 2.625rem;
}
@media screen and (min-width: 768px) {
  .fv__title-text {
    font-size: 4.5rem;
  }
}

.fv__cursor {
  display: inline-block;
  width: 0.125rem;
  height: 2.5rem;
  margin-left: 0.25rem;
  background-color: var(--COLOR_ACCENT);
  vertical-align: middle;
  animation: fv-cursor-blink 1.2s ease-in-out infinite;
}

.fv__lead {
  max-width: 42rem;
  margin-bottom: 3rem;
  color: color-mix(in srgb, var(--COLOR_DARK) 70%, transparent);
  font-family: var(--FONT_JA);
  font-size: 1.125rem;
  line-height: 1.625;
}
@media screen and (min-width: 768px) {
  .fv__lead {
    font-size: 1.25rem;
  }
}

.fv__cta {
  display: flex;
  align-items: center;
  gap: var(--MODULE_MARGIN);
}

.fv__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  background-color: var(--COLOR_ACCENT);
  color: var(--COLOR_PRIMARY);
  font-family: var(--FONT_JA);
  font-weight: 500;
  transition: background-color 0.2s ease;
}
.fv__btn:hover {
  background-color: var(--COLOR_ACCENT_DARK);
}

.fv__scroll {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transform: translateX(-50%);
}

.fv__scroll-line {
  width: 0.0625rem;
  height: 3rem;
  background-color: var(--COLOR_BORDER);
}

.fv__scroll-text {
  writing-mode: vertical-lr;
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
  letter-spacing: 0.125rem;
  color: color-mix(in srgb, var(--COLOR_DARK) 40%, transparent);
}

.fv__rule {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 0.0625rem;
  background-color: var(--COLOR_BORDER);
}

@keyframes fv-grid-pulse {
  0%, 100% {
    opacity: 0.03;
  }
  50% {
    opacity: 0.06;
  }
}
@keyframes fv-cursor-blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .fv__grid-lines,
  .fv__cursor {
    animation: none;
  }
}
.service__lead {
  margin-bottom: 5rem;
}

.service__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media screen and (min-width: 768px) {
  .service__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

.service-card__head {
  margin-bottom: 1.5rem;
}

.service-card__title {
  margin-bottom: 0.75rem;
  font-family: var(--FONT_JA);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--COLOR_DARK);
}

.service-card__line {
  display: block;
  width: 4rem;
  height: 0.0625rem;
  background-color: var(--COLOR_ACCENT);
}

.service-card__desc {
  margin-bottom: 2rem;
  font-family: var(--FONT_JA);
  line-height: 1.625;
  color: color-mix(in srgb, var(--COLOR_DARK) 70%, transparent);
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-card__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.service-card__bullet {
  margin-top: 0.375rem;
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
  color: var(--COLOR_ACCENT);
}

.service-card__text {
  font-family: var(--FONT_JA);
  line-height: 1.625;
  color: color-mix(in srgb, var(--COLOR_DARK) 80%, transparent);
}

.why__lead {
  margin-bottom: 5rem;
}

.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media screen and (min-width: 768px) {
  .why__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card__index {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
  color: var(--COLOR_ACCENT);
}

.why-card__head {
  margin-bottom: 1.5rem;
}

.why-card__title {
  margin-bottom: 0.75rem;
  font-family: var(--FONT_JA);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--COLOR_DARK);
}

.why-card__line {
  display: block;
  width: 3rem;
  height: 0.0625rem;
  background-color: var(--COLOR_BORDER);
}

.why-card__desc {
  font-family: var(--FONT_JA);
  line-height: 1.625;
  color: color-mix(in srgb, var(--COLOR_DARK) 70%, transparent);
}

.works__lead {
  margin-bottom: 4rem;
}

.works-carousel {
  margin-bottom: 3rem;
}

.works-carousel__track {
  --carousel-visible: 3;
  display: flex;
  gap: 1.25rem;
  margin: -0.75rem;
  padding: 0.75rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 0.75rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.works-carousel__track::-webkit-scrollbar {
  display: none;
}
.works-carousel__track:focus-visible {
  outline: 0.125rem solid var(--COLOR_ACCENT);
  outline-offset: 0.125rem;
}
.works-carousel__track > .panel {
  flex: 0 0 100%;
  scroll-snap-align: start;
}
@media screen and (min-width: 768px) {
  .works-carousel__track > .panel {
    flex-basis: calc((100% - 2.5rem) / 3);
  }
}

.works-carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--MODULE_MARGIN);
  margin-top: var(--MODULE_MARGIN);
}

.no-js .works-carousel__controls {
  display: none;
}

.works-carousel__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 0.0625rem solid var(--COLOR_BORDER);
  border-radius: 50%;
  color: var(--COLOR_DARK);
  transition: border-color 0.2s ease, color 0.2s ease;
}
@media (any-hover: hover) {
  .works-carousel__arrow:hover {
    border-color: var(--COLOR_ACCENT);
    color: var(--COLOR_ACCENT);
  }
}
.works-carousel__arrow:focus-visible {
  border-color: var(--COLOR_ACCENT);
  color: var(--COLOR_ACCENT);
}
.works-carousel__arrow:active {
  border-color: var(--COLOR_ACCENT);
  color: var(--COLOR_ACCENT);
}
.works-carousel__arrow .icon {
  width: 1rem;
  height: 1rem;
}

.works-carousel__dots {
  display: flex;
  gap: 0.5rem;
}

.works-carousel__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--COLOR_BORDER);
  transition: background-color 0.2s ease;
}
@media (any-hover: hover) {
  .works-carousel__dot:hover {
    background-color: var(--COLOR_ACCENT_DARK);
  }
}
.works-carousel__dot:focus-visible {
  background-color: var(--COLOR_ACCENT_DARK);
}
.works-carousel__dot:active {
  background-color: var(--COLOR_ACCENT_DARK);
}
.works-carousel__dot.is-active {
  background-color: var(--COLOR_ACCENT);
}

.work-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 0.0625rem solid var(--COLOR_BORDER);
  border-radius: 0.5rem;
  background-color: color-mix(in srgb, var(--COLOR_PRIMARY) 40%, transparent);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: border-color 0.2s ease;
}
.work-card:hover {
  border-color: var(--COLOR_ACCENT);
}

.work-card__thumb {
  display: block;
  overflow: hidden;
  aspect-ratio: 16/10;
  background-color: var(--COLOR_BORDER);
  border-bottom: 0.0625rem solid var(--COLOR_BORDER);
}
.work-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.4s ease;
}

.work-card:hover .work-card__thumb img {
  transform: scale(1.04);
}

.work-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.5rem;
}

.work-card__date {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--FONT_MONO);
  font-size: 0.75rem;
  color: var(--COLOR_ACCENT);
}

.work-card__title {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--FONT_JA);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--COLOR_DARK);
  transition: color 0.2s ease;
}

.work-card:hover .work-card__title {
  color: var(--COLOR_ACCENT);
}

.work-card__desc {
  margin-bottom: 1.25rem;
  font-family: var(--FONT_JA);
  font-size: 0.875rem;
  line-height: 1.7;
  color: color-mix(in srgb, var(--COLOR_DARK) 70%, transparent);
}

.work-card__more {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: auto;
  font-family: var(--FONT_EN);
  font-size: 0.8125rem;
  color: var(--COLOR_ACCENT);
}

.work-card__arrow {
  width: 1rem;
  height: 1rem;
  transition: transform 0.2s ease;
}

.work-card:hover .work-card__arrow {
  transform: translate(0.1875rem, -0.1875rem);
}

.works__note {
  font-family: var(--FONT_JA);
  font-size: 0.875rem;
  line-height: 1.625;
  color: color-mix(in srgb, var(--COLOR_DARK) 50%, transparent);
}

.flow__list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 56rem;
}

.flow__item {
  position: relative;
}

.flow__line {
  position: absolute;
  top: 5rem;
  bottom: 0;
  left: 1.5rem;
  width: 0.0625rem;
  background-color: var(--COLOR_BORDER);
}

.flow__row {
  display: flex;
  gap: 1.5rem;
}

.flow__badge {
  position: relative;
  flex-shrink: 0;
}

.flow__circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border: 0.125rem solid var(--COLOR_ACCENT);
  border-radius: 50%;
  background-color: var(--COLOR_BG);
}

.flow__num {
  font-family: var(--FONT_MONO);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--COLOR_ACCENT);
}

.flow__content {
  flex: 1;
  padding-bottom: 2rem;
}

.flow__title {
  margin-bottom: 0.75rem;
  font-family: var(--FONT_JA);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--COLOR_DARK);
}

.flow__desc {
  font-family: var(--FONT_JA);
  line-height: 1.625;
  color: color-mix(in srgb, var(--COLOR_DARK) 70%, transparent);
}

.contact__lead {
  margin-bottom: 4rem;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media screen and (min-width: 768px) {
  .contact__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media screen and (min-width: 768px) {
  .contact__form-col {
    grid-column: span 2;
  }
}

.contact__panel {
  padding: 2.5rem;
  border: 0.0625rem solid var(--COLOR_BORDER);
  border-radius: 0.5rem;
  background-color: color-mix(in srgb, var(--COLOR_PRIMARY) 40%, transparent);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-form[hidden] {
  display: none;
}

.contact-form__label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--FONT_JA);
  font-size: 0.875rem;
  color: var(--COLOR_DARK);
}

.contact-form__req {
  color: var(--COLOR_ACCENT);
}

.contact-form__input,
.contact-form__select,
.contact-form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 0.0625rem solid var(--COLOR_BORDER);
  border-radius: 0.5rem;
  background-color: color-mix(in srgb, var(--COLOR_PRIMARY) 60%, transparent);
  color: var(--COLOR_DARK);
  font-family: var(--FONT_JA);
  transition: border-color 0.2s ease;
}
.contact-form__input:focus,
.contact-form__select:focus,
.contact-form__textarea:focus {
  outline: none;
  border-color: var(--COLOR_ACCENT);
}

.contact-form__textarea {
  min-height: 10rem;
  resize: vertical;
}

.contact-form__submit {
  width: 100%;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  background-color: var(--COLOR_ACCENT);
  color: var(--COLOR_PRIMARY);
  font-family: var(--FONT_JA);
  font-weight: 500;
  transition: background-color 0.2s ease;
}
.contact-form__submit:hover {
  background-color: var(--COLOR_ACCENT_DARK);
}
.contact-form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.contact-form__hp {
  position: absolute;
  left: -9999px;
  width: 0.0625rem;
  height: 0.0625rem;
  overflow: hidden;
}

.contact-form__error {
  font-family: var(--FONT_JA);
  font-size: 0.875rem;
  color: var(--COLOR_STRONG);
}

.contact-form__error[hidden] {
  display: none;
}

.contact__success {
  padding-block: 5rem;
  text-align: center;
}

.contact__success[hidden] {
  display: none;
}

.contact__success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  border: 0.125rem solid var(--COLOR_ACCENT);
  border-radius: 50%;
  background-color: color-mix(in srgb, var(--COLOR_ACCENT) 10%, transparent);
  color: var(--COLOR_ACCENT);
  font-size: 1.5rem;
}

.contact__success-title {
  margin-bottom: 0.75rem;
  font-family: var(--FONT_JA);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--COLOR_DARK);
}

.contact__success-text {
  font-family: var(--FONT_JA);
  line-height: 1.625;
  color: color-mix(in srgb, var(--COLOR_DARK) 70%, transparent);
}

.contact__aside {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact__aside-title {
  font-family: var(--FONT_JA);
  font-size: 0.875rem;
  color: color-mix(in srgb, var(--COLOR_DARK) 60%, transparent);
}

.contact-card {
  display: block;
  padding: 1.5rem;
  border: 0.0625rem solid var(--COLOR_BORDER);
  border-radius: 0.5rem;
  background-color: color-mix(in srgb, var(--COLOR_PRIMARY) 40%, transparent);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

a.contact-card {
  transition: border-color 0.2s ease;
}
a.contact-card:hover {
  border-color: var(--COLOR_ACCENT);
}

.contact-card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.contact-card__icon {
  width: 1.25rem;
  height: 1.25rem;
}

.contact-card__name {
  font-family: var(--FONT_EN);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--COLOR_DARK);
}

.contact-card__sub {
  font-family: var(--FONT_JA);
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--COLOR_DARK) 60%, transparent);
}

.contact-card__sub--mono {
  font-family: var(--FONT_MONO);
  word-break: break-all;
}

.red {
  color: red;
}