/* ===========================================
 * Foundation
 * =========================================== */
/* Box sizing
   ========================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Document
   ========================================== */
html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
       text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
}

/* Sections
   ========================================== */
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

/* Lists
   ========================================== */
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Links
   ========================================== */
a {
  color: inherit;
  text-decoration: none;
}

/* Media
   ========================================== */
img,
picture,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Form
   ========================================== */
input,
button,
textarea,
select {
  margin: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
}

button {
  cursor: pointer;
}

/* Table
   ========================================== */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Misc
   ========================================== */
address {
  font-style: normal;
}

small {
  font-size: inherit;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: #444;
  background-color: #fff;
  font-family: "Kaisei Opti", serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: block;
}

img {
  vertical-align: bottom;
}

a {
  transition: opacity 0.6s ease;
}
a:active {
  opacity: 0.6;
}
@media (hover: hover) {
  a:hover {
    opacity: 0.6;
  }
}

button {
  transition: opacity 0.6s ease, background-color 0.6s ease, color 0.6s ease;
}
button:active {
  opacity: 0.8;
}
@media (hover: hover) and (pointer: fine) {
  button:hover {
    opacity: 0.8;
  }
}

small {
  font-size: 0.8em;
}

p + p {
  margin-top: 1em;
}

.c-typeset {
  text-align: justify;
  text-indent: 1em;
}

.c-typeset--noindent {
  text-align: justify;
}

/* ===========================================
 * Layout
 * =========================================== */
.l-header {
  --header-height: 5rem;
  --header-side-space: 1rem;
  --header-logo-height: 2.4rem;
  --header-button-size: 3rem;
  --header-transition:
      0.8s cubic-bezier(0.76, 0, 0.24, 1);
  --admin-bar-height: 0px;
  position: fixed;
  inset-block-start: var(--admin-bar-height);
  inset-inline: 0;
  z-index: 1100;
  width: 100%;
  height: var(--header-height);
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(4px);
  border-bottom: solid 1px #fff;
  box-shadow: 0 0 4px rgba(216, 208, 176, 0.4);
  transition: height var(--header-transition);
}
.l-header__inner {
  position: relative;
  height: 100%;
}
.l-header__logo {
  position: absolute;
  inset-block-start: calc((var(--header-height) - var(--header-logo-height)) / 2);
  inset-inline-start: 0;
  z-index: 2;
  height: var(--header-logo-height);
  line-height: 1.2;
  white-space: nowrap;
  transition: inset-block-start var(--header-transition);
}
.l-header__logo .gradation-text {
  display: block;
  line-height: inherit;
}
.l-header__menu-button {
  position: absolute;
  inset-block-start: calc((var(--header-height) - var(--header-button-size)) / 2);
  inset-inline-end: 0;
  z-index: 2;
  width: var(--header-button-size);
  height: var(--header-button-size);
  transition: inset-block-start var(--header-transition), opacity 0.6s ease;
}
.l-header__menu-line {
  position: absolute;
  inset-inline-start: 50%;
  width: 1.8rem;
  height: 2.4px;
  background-color: currentColor;
  transform: translate(-50%, -50%);
  transform-origin: center;
  transition: inset-block-start 0.4s ease, opacity 0.3s ease, transform 0.4s ease;
}
.l-header__menu-line:nth-child(1) {
  inset-block-start: calc(50% - 0.6rem);
}
.l-header__menu-line:nth-child(2) {
  inset-block-start: 50%;
}
.l-header__menu-line:nth-child(3) {
  inset-block-start: calc(50% + 0.6rem);
}
.l-header__navigation {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  align-items: center;
  justify-items: end;
  padding-block: calc(var(--header-height) + 2rem) calc(var(--header-button-size) + 3rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-1.5rem);
  transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s ease;
}
.l-header__navigation-list {
  display: grid;
  gap: 0.5rem;
  width: min(100%, 28rem);
  text-align: right;
}
.l-header__navigation-item {
  line-height: 1.2;
}
.l-header__navigation-item a {
  display: block;
  font-size: clamp(2rem, 8vw, 4.5rem);
}
.l-header.is-open {
  height: calc(100svh - var(--admin-bar-height));
}
.l-header.is-open .l-header__logo {
  inset-block-start: calc(100% - var(--header-logo-height) - var(--header-side-space));
}
.l-header.is-open .l-header__menu-button {
  inset-block-start: calc(100% - var(--header-button-size) - var(--header-side-space));
}
.l-header.is-open .l-header__menu-line {
  inset-block-start: 50%;
}
.l-header.is-open .l-header__menu-line:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}
.l-header.is-open .l-header__menu-line:nth-child(2) {
  opacity: 0;
}
.l-header.is-open .l-header__menu-line:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-45deg);
}
.l-header.is-open .l-header__navigation {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0.25s, 0s, 0.25s;
}

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

.admin-bar .l-header {
  --admin-bar-height: 32px;
}

@media screen and (max-width: 782px) {
  .admin-bar .l-header {
    --admin-bar-height: 46px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .l-header,
  .l-header__logo,
  .l-header__menu-button,
  .l-header__menu-line,
  .l-header__navigation {
    transition-duration: 0.01ms;
  }
}
@media (orientation: landscape) and (max-height: 500px) {
  .l-header__navigation {
    padding-block: calc(var(--header-height) + 0.5rem) calc(var(--header-button-size) + var(--header-side-space) + 1rem);
  }
  .l-header__navigation-list {
    gap: 0.25rem;
  }
  .l-header__navigation-item a {
    font-size: clamp(1.5rem, 8vh, 2.5rem);
  }
}
.l-container {
  display: block;
  width: min(100% - 2em, 1200px);
  margin-inline: auto;
}

.l-bg--blur {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(4px);
}

.section-style-left-line {
  border-left: dashed 1px #d8d0b0;
  padding-left: 1em;
}
.section-style-left-line + .section-style-left-line {
  margin-top: 3em;
}

main.l-container {
  padding-block: 6.5em 1em;
}

.section-title {
  font-size: 1.5em;
  margin-bottom: 1em;
}

.gradation-text {
  font-size: 2rem;
  background: linear-gradient(90deg, #ff7e5f, #f5d96c, #84eeb8, #86a8e7);
  background-size: 300% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  animation: color-mix 36s ease infinite;
  mix-blend-mode: multiply;
}

@keyframes color-mix {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
.news-list .news-list-item + .news-list-item {
  margin-top: 1em;
}
.news-list .news-list__link {
  display: flex;
  gap: 0 0.8em;
  align-items: center;
  flex-wrap: wrap;
}
@media (min-width: 768px) {
  .news-list .news-list__link {
    flex-wrap: nowrap;
    gap: 0.8em;
  }
}
.news-list .news-list-item__date,
.news-list [class^=news-list-item__category--] {
  flex: 0 0 auto;
}
.news-list .news-list-item__title {
  flex: 0 0 100%;
}
@media (min-width: 768px) {
  .news-list .news-list-item__title {
    flex: 1 1 auto;
  }
}
.news-list [class^=news-list-item__category--] {
  background: #aaa;
  border-radius: 1em;
  padding-inline: 0.6em;
  line-height: 1.5;
  color: #fff;
  width: 6em;
  text-align: center;
}
.news-list .news-list-item__category--exhibition, .news-list .news-list-item__category--sale {
  letter-spacing: 0.4em;
}
.news-list .news-list-item__title {
  font-size: 1.15em;
}

.sns-list {
  margin-block: 3em 1em;
}
@media (min-width: 1024px) {
  .sns-list {
    display: flex;
    gap: 1em;
  }
}
.sns-list .sns-list-item {
  color: #fff;
}
.sns-list .sns-list-item .sns-list-link {
  display: flex;
  width: 100%;
  height: 2.5em;
  border-radius: 2em;
  padding-inline: 1em 0.8em;
  justify-content: left;
  align-items: center;
}
@media (min-width: 1024px) {
  .sns-list .sns-list-item .sns-list-link {
    width: 9em;
  }
}
.sns-list .sns-list-item .sns-list-icon {
  max-height: 60%;
  margin-right: 1.6em;
}
@media (min-width: 768px) {
  .sns-list .sns-list-item .sns-list-icon {
    max-height: 1em;
    margin-right: 0.5em;
  }
}
.sns-list .sns-list-item + li {
  margin-top: 1em;
}
@media (min-width: 1024px) {
  .sns-list .sns-list-item + li {
    margin-top: 0;
  }
}
.sns-list .sns-list-item .instagram-style {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}
.sns-list .sns-list-item .x-style {
  background: #000;
}
.sns-list .sns-list-item .bluesky-style {
  background: #1185FE;
}

.drawing-list {
  display: grid;
  gap: 0.8em;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .drawing-list {
    grid-template-columns: repeat(4, 1fr);
  }
}
.drawing-list .drawing-list-item {
  border-radius: 1em;
  overflow: hidden;
}
.drawing-list .drawing-list-item:nth-child(1) {
  grid-column: 1/3;
  grid-row: 1/3;
}
@media (min-width: 768px) {
  .drawing-list .drawing-list-item:nth-child(1) {
    grid-column: 3/5;
    grid-row: 2/4;
  }
}
.drawing-list .drawing-list-link:hover, .drawing-list .drawing-list-link:active {
  opacity: unset;
}
.drawing-list .drawing-list-link:hover img, .drawing-list .drawing-list-link:active img {
  transform: scale(1.25);
}
.drawing-list .drawing-list-image {
  width: 100%;
  aspect-ratio: 4/3;
  -o-object-fit: cover;
     object-fit: cover;
  transition-duration: 2s;
}

.profile-text {
  display: flow-root;
}
@media (min-width: 768px) {
  .profile-text {
    display: flex;
    gap: 1.5em;
    justify-content: flex-start;
    align-items: flex-start;
  }
}
.profile-text .profile-name {
  font-size: 1.15em;
}
.profile-text .profile-name small {
  display: block;
}
.profile-text .profile-icon {
  width: min(36% - 2em, 5em);
  border-radius: 100%;
  float: left;
  margin-right: 0.8em;
}
@media (min-width: 768px) {
  .profile-text .profile-icon {
    width: 8em;
    margin: 0.4em 0 0;
    float: none;
  }
}

.l-parallax-clip {
  position: absolute;
  inset: 0;
  clip-path: inset(0);
  z-index: 0;
  pointer-events: none;
}

.l-parallax-fixed {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100lvh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
@media (min-width: 768px) {
  .l-parallax-fixed {
    height: 100svh;
  }
}

.l-parallax-block {
  position: relative;
  background: #fff;
  display: grid;
  align-items: center;
  min-height: 70svh;
  isolation: isolate;
  padding-block: 8em;
}
.l-parallax-block.bgImg01 .l-parallax-fixed {
  background-image: url("../images/background/front-page-001.webp");
}
.l-parallax-block.bgImg02 {
  background: #000;
}
.l-parallax-block.bgImg02 .l-parallax-fixed {
  background-image: url("../images/background/front-page-002.webp");
  opacity: 0.32;
}
.l-parallax-block.bgImg03 .l-parallax-fixed {
  background-image: url("../images/background/front-page-003.webp");
}
.l-parallax-block:first-child {
  padding-top: 64svh;
}

.l-parallax-block-contents {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 0;
  padding-block: 0;
  text-align: left;
}
.l-parallax-block-contents .l-container {
  padding: 2em 2em;
  border-radius: 2em;
}
@media (min-width: 768px) {
  .l-parallax-block-contents .l-container {
    padding: 4em 4em;
  }
}

/* ===========================================
 * Component
 * =========================================== */
.analytics-notice {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(1rem);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
}

.analytics-notice.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.analytics-notice__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100%, 72rem);
  margin-inline: auto;
  padding: 1rem 1.25rem;
  color: #fff;
  background-color: rgba(20, 20, 20, 0.95);
  border-radius: 0.75rem;
  box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.2);
}

.analytics-notice__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
}

.analytics-notice__actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 1rem;
}

.analytics-notice__link {
  color: inherit;
  font-size: 0.8125rem;
  text-underline-offset: 0.25em;
}
@media (min-width: 1024px) {
  .analytics-notice__link {
    flex-shrink: 0;
  }
}

.analytics-notice__button {
  min-width: 4rem;
  padding: 0.6rem 1rem;
  color: #111;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background-color: #fff;
  border: 0;
  border-radius: 9999px;
}

.analytics-notice__button:focus-visible,
.analytics-notice__link:focus-visible {
  outline: 0.1875rem solid currentcolor;
  outline-offset: 0.25rem;
}

@media (max-width: 48rem) {
  .analytics-notice__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }
  .analytics-notice__actions {
    justify-content: space-between;
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  .analytics-notice {
    transition: none;
  }
}
.copyright {
  padding-block: 0.4em;
}
.copyright .copyright-text {
  text-align: center;
}

[data-reveal] {
  opacity: 0;
  transition: opacity 0.8s ease, translate 0.8s ease;
  pointer-events: none;
}
[data-reveal].is-visible {
  opacity: 1;
  translate: 0;
  pointer-events: auto;
}

[data-reveal-speed=slow] {
  transition-duration: 1.6s;
}

[data-reveal=fade-up] {
  translate: 0 3rem;
}

[data-reveal=fade-in] {
  translate: none;
}

[data-reveal=slide-left] {
  translate: 3rem 0;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    translate: none;
    transition: none;
  }
}
.scroll-guide {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 10;
  translate: -50% -50%;
  margin: 0;
  padding: 0.4em 0.8em;
  color: #fff;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.48);
  border-radius: 24em;
  width: 8em;
  height: 8em;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.scroll-guide.is-visible {
  opacity: 1;
  visibility: visible;
}
.scroll-guide.is-visible::after {
  content: "";
  position: absolute;
  top: calc(100% - 2em);
  left: 50%;
  width: 0.7em;
  height: 0.7em;
  border-right: 1px solid currentcolor;
  border-bottom: 1px solid currentcolor;
  translate: -50% 0;
  rotate: 45deg;
  animation: scroll-guide-arrow 1.6s ease-in-out infinite;
}
@keyframes scroll-guide-arrow {
  0%, 100% {
    translate: -50% 0;
  }
  50% {
    translate: -50% 0.4em;
  }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-guide .scroll-guide::after {
    animation: none;
  }
}

/* ===========================================
 * Project
 * =========================================== */
.privacy-policy__section + .privacy-policy__section .privacy-policy__heading {
  margin-top: 2em;
}
.privacy-policy__heading + p {
  margin-top: 1em;
}
.privacy-policy li {
  list-style: square inside;
  margin-left: 1em;
}
.privacy-policy .privacy-policy__footer {
  margin-top: 3em;
}

/* ===========================================
 * Utility
 * =========================================== */