@charset "UTF-8";
:root {
  --color--bg: hsl(80, 50%, 98%);
  --color--primary: #009ce5;
  --white: #fffefc;
  --black: #272520;
  --gray-300: oklch(87.2% 0.01 258.338);
  --teal-500: oklch(70.4% 0.14 182.503);
  --tgblue: #009ce5;
  --color-bg-mid: color-mix(in srgb, var(--color-bg) 80%, color-mix(in srgb, var(--color-primary) 25%, black));
  --bg-watercolor: url('../img/watercolor.webp');
  --header-h: 65px;
  --header-h-md: 75px;
  --header-h-lg: 128px;
  --header-z: 100;
  --size-lg: 1024px;
  --size-xl: 1280px;
  --size-2xl: 1536px;
  --font-mplus1: 'M PLUS 1', sans-serif;
  --font-barlow: 'Barlow', sans-serif;
  --font-display: 'Gen Interface JP Display', sans-serif;
  --font-size-base: clamp(1rem, 0.8rem + 0.8vw, 1.2rem);
  --font-size--xs: calc(var(--font-size--base) * 0.8);
  --font-size--sm: calc(var(--font-size--base) * 0.9);
  --font-size--md: calc(var(--font-size--base) * 1.1);
  --font-size--lg: calc(var(--font-size--base) * 1.25);
  --font-size--xl: calc(var(--font-size--base) * 1.5);
  --font-size--2xl: calc(var(--font-size--base) * 2);
  --font-size--3xl: calc(var(--font-size--base) * 2.5);
  --space: calc(var(--font-size-base) * 0.25); /* = 0.25rem ~ ≒ 4px ~ */
  --space-1: var(--space);
  --space-2: calc(var(--space) * 2);
  --space-3: calc(var(--space) * 3);
  --space-4: calc(var(--space) * 4);
  --space-5: calc(var(--space) * 5);
  --space-6: calc(var(--space) * 6);
  --space-7: calc(var(--space) * 7);
  --space-8: calc(var(--space) * 8);
  --space-9: calc(var(--space) * 9);
  --space-10: calc(var(--space) * 10);
  --space-11: calc(var(--space) * 11);
  --space-12: calc(var(--space) * 12);
  --space-16: calc(var(--space) * 16);
  --duration: 0.4s;
  --duration-fadeIn: 0.6s;
}

summary {
  display: block;
  list-style: none;
  outline: none;
}

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

hr {
  border: 0;
  height: 0;
}

html {
  overflow-x: clip;
  scrollbar-gutter: stable;
}

html:has(:modal[open]) {
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  overflow: inherit;
  font-family: "Gen Interface JP", sans-serif;
  font-weight: 400;
  font-size: var(--text-base);
  line-height: calc(var(--spacing) * 8);
  min-height: 100vh;
}

main {
  margin-bottom: auto;
}

.l-container {
  padding-inline: var(--space-4);
}
@media (width >= 64rem) {
  .l-container {
    padding-inline: var(--space-5);
  }
}
@media (width >= 80rem) {
  .l-container {
    padding-inline: var(--space-8);
  }
}

.l-container > * {
  max-width: var(--size-lg);
  margin-inline: auto;
}

.l-container-xl > * {
  max-width: var(--size-xl);
}

.l-container-2xl > * {
  max-width: var(--size-2xl);
}

:root {
  --wave-top: clamp(20px, 5vw, 60px);
  --wave-bottom: clamp(20px, 3vw, 40px);
}
@media (width >= 64rem) {
  :root {
    --wave-top: clamp(30px, 6vw, 80px);
    --wave-bottom: clamp(30px, 5vw, 60px);
  }
}
@media (width >= 80rem) {
  :root {
    --wave-top: clamp(40px, 8vw, 100px);
    --wave-bottom: clamp(40px, 6vw, 80px);
  }
}

.l-container-wave {
  background-image: url("../img/watercolor_light.webp");
  background-size: cover;
  position: relative;
  padding-block: calc(var(--wave-top) + 4rem) calc(var(--wave-bottom) + 4rem);
  min-height: 400px;
}
.l-container-wave::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  aspect-ratio: 1440/120;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120' preserveAspectRatio='none'%3E%3Cpath fill='white' d='M0 60 C360 -10 1080 130 1440 60 L1440 0 L0 0 Z'/%3E%3C/svg%3E") no-repeat top center/100% 100%;
  pointer-events: none;
  z-index: 1;
}
.l-container-wave::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  aspect-ratio: 1440/120;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120' preserveAspectRatio='none'%3E%3Cpath fill='white' d='M0 120 Q720 0 1440 120 L1440 120 L0 120 Z'/%3E%3C/svg%3E") no-repeat bottom center/100% 100%;
  pointer-events: none;
  z-index: 10;
}

a.page-btn {
  border-radius: calc(infinity * 1px);
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--teal-500);
}
a.page-btn:hover {
  color: var(--teal-500);
}
a.page-btn:visited {
  color: var(--teal-500);
}
a.page-btn {
  line-height: 1.5;
  padding: 10px 52px 10px 30px;
  position: relative;
  transition-duration: 0.3s;
}
@media (width >= 64rem) {
  a.page-btn {
    padding: 12px 56px 12px 30px;
  }
}

a.page-btn::after {
  background-color: var(--teal-500);
  content: "";
  clip-path: polygon(100% 50%, 0 0, 0 100%);
  margin-left: auto;
  width: 10px;
  height: 6px;
  position: absolute;
  bottom: 50%;
  transform: translateY(50%);
  right: 14px;
}
@media (width >= 64rem) {
  a.page-btn::after {
    width: 14px;
    height: 8px;
  }
}

a.back-btn {
  border: 2px solid rgba(0, 187, 167, 0.2);
  border-radius: calc(infinity * 1px);
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--teal-500);
}
a.back-btn:hover {
  color: var(--teal-500);
}
a.back-btn:visited {
  color: var(--teal-500);
}
a.back-btn {
  line-height: 1.5;
  padding: 10px 30px;
  position: relative;
  transition-duration: 0.3s;
  width: 300px;
}
@media (width >= 64rem) {
  a.back-btn {
    border: 4px solid rgba(0, 187, 167, 0.2);
    padding: 12px 30px;
  }
}

a.back-btn::after {
  background-color: var(--teal-500);
  content: "";
  clip-path: polygon(100% 0, 0 50%, 100% 100%);
  margin-left: auto;
  width: 10px;
  height: 6px;
  position: absolute;
  bottom: 50%;
  transform: translateY(50%);
  left: 14px;
}
@media (width >= 64rem) {
  a.back-btn::after {
    width: 14px;
    height: 8px;
  }
}

.page-link {
  color: var(--teal-500);
}
.page-link:hover {
  color: var(--teal-500);
}
.page-link:visited {
  color: var(--teal-500);
}
.page-link {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-style: dashed;
  text-underline-offset: 4px;
  padding-inline: 0.2rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
}

.page-heading {
  border-radius: var(--radius-3xl);
  margin-inline: var(--space-4);
  background: url("../img/heading_tree.webp") no-repeat 95% top, url("../img/watercolor.webp") no-repeat center 15%;
  background-size: contain, cover;
  display: flex;
  align-items: center;
  min-height: 100px;
}
@media (width >= 48rem) {
  .page-heading {
    min-height: 180px;
  }
}
@media (width >= 64rem) {
  .page-heading {
    margin-inline: var(--space-5);
    min-height: 200px;
  }
}
@media (width >= 80rem) {
  .page-heading {
    margin-inline: var(--space-8);
    min-height: 260px;
  }
}

.page-heading > * {
  flex: 1 0 0%;
}
.page-heading > * h2 > span {
  display: block;
  line-height: 1.375;
}
.page-heading > * h2 > span:nth-of-type(1) {
  color: var(--teal-500);
  font-family: "Barlow", sans-serif;
  font-weight: 500;
}
.page-heading > * h2 > span:nth-of-type(2) {
  font-weight: 500;
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-widest);
}
@media (width >= 48rem) {
  .page-heading > * h2 > span:nth-of-type(2) {
    font-size: 28px;
    font-size: 1.75rem;
  }
}
@media (width >= 64rem) {
  .page-heading > * h2 > span:nth-of-type(2) {
    font-size: 34px;
    font-size: 2.125rem;
  }
}
@media (width >= 80rem) {
  .page-heading > * h2 > span:nth-of-type(2) {
    font-size: var(--text-4xl);
  }
}

.heading-1 {
  font-size: 22px;
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-6);
  position: relative;
  padding-bottom: var(--space-5);
  text-align: center;
}
@media (width >= 48rem) {
  .heading-1 {
    font-size: var(--text-2xl);
  }
}
@media (width >= 64rem) {
  .heading-1 {
    font-size: var(--text-3xl);
  }
}
@media (width >= 80rem) {
  .heading-1 {
    font-size: 34px;
    font-size: 2.125rem;
    margin-bottom: var(--space-7);
    padding-bottom: var(--space-6);
  }
}
.heading-1::after {
  background-color: var(--teal-500);
  border-radius: calc(infinity * 1px);
  content: "";
  width: 130px;
  height: 4px;
  position: absolute;
  right: 50%;
  transform: translateX(50%);
  bottom: 0;
}
@media (width >= 64rem) {
  .heading-1::after {
    width: 180px;
    height: 5px;
  }
}

.bg-watercolor {
  background-image: url("../img/watercolor.webp");
  background-size: cover;
}

html {
  scroll-padding-top: var(--header-h);
}
@media (width >= 48rem) {
  html {
    scroll-padding-top: var(--header-h-md);
  }
}
@media (width >= 64rem) {
  html {
    scroll-padding-top: var(--header-h-lg);
  }
}

.header {
  background-color: color-mix(in srgb, var(--color-bg) 50%, transparent);
  height: var(--header-h, auto);
  z-index: 999;
  backdrop-filter: blur(16px);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.1);
  font-family: --var(--font-display);
}
@media (width >= 48rem) {
  .header {
    height: var(--header-h-md, auto);
  }
}
@media (width >= 64rem) {
  .header {
    height: var(--header-h-lg, auto);
  }
}

.nav-dialog {
  max-width: unset;
  max-height: unset;
  overflow: unset;
  background-color: rgba(0, 156, 229, 0.6);
  backdrop-filter: blur(40px);
  color: var(--white);
  opacity: 0;
  transition: opacity var(--duration), var(--duration);
  width: 100%;
  height: 100%;
}

.nav-dialog[data-open] {
  opacity: 1;
}

.nav-dialog::backdrop {
  background-color: transparent;
}

.nav-dialog-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.nav-dialog-head {
  font-family: --var(--font-display);
  height: var(--header-h, auto);
}
@media (width >= 48rem) {
  .nav-dialog-head {
    height: var(--header-h-md, auto);
  }
}
@media (width >= 64rem) {
  .nav-dialog-head {
    height: var(--header-h-lg, auto);
  }
}

.nav-dialog-body {
  flex: 1;
  overflow: auto;
  overscroll-behavior: contain;
}

/* ナビゲーション */
/* .site-nav {} */
/* ナビゲーションリスト */
/* モーダル展開時のアニメーションを付ける */
.nav-dialog-menu {
  opacity: 0;
  transform: translateY(2em);
  transition: transform var(--duration), opacity var(--duration);
}

.nav-dialog[data-open] .nav-dialog-menu {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* ナビゲーションリンク */
.nav-dialog-menu a {
  color: inherit;
  display: block;
  transition-duration: var(--duration);
  transition-property: color, scale;
}
@media (width >= 48rem) {
  .nav-dialog-menu a {
    display: inline-block;
  }
}

.nav-dialog-menu > li > a {
  font-size: 18px;
  font-size: 1.125rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
}

.nav-dialog-menu > li > ul {
  margin-left: 1.5rem;
}

.nav-dialog-menu > li > ul > li > a {
  font-weight: 300;
  position: relative;
  padding: 0.4rem 0.8rem 0.4rem 1rem;
}
.nav-dialog-menu > li > ul > li > a::before {
  content: "\f0da";
  font: var(--fa-font-solid);
  position: absolute;
  top: 0.6rem;
  left: 0;
}

.menu-btn--open {
  opacity: 1;
}

.nav-dialog[data-open] + .header .menu-btn-open {
  opacity: 0;
  pointer-events: none;
}

.menu-btn-close {
  opacity: 0;
}

.nav-dialog[data-open] .menu-btn-close {
  opacity: 1;
}

.menu-icon {
  align-content: center;
  display: grid;
  gap: 6px;
  width: 24px;
  height: 24px;
  transition: gap var(--duration);
}
@media (width >= 48rem) {
  .menu-icon {
    gap: 9px;
    width: 34px;
    height: 34px;
  }
}
@media (width >= 64rem) {
  .menu-icon {
    gap: 11px;
    width: 40px;
    height: 40px;
  }
}

.menu-icon > span {
  background-color: var(--teal-500);
  border-radius: 2px;
  display: block;
  width: 100%;
  height: 2px;
  transition-duration: var(--duration);
  transition-property: transform, opacity;
}

.menu-icon-close > span {
  background-color: currentColor;
  grid-area: 1/1;
  --rotate: 45deg;
  transition: transform var(--duration);
}

.menu-icon-close > span:first-child {
  transform: rotate(var(--rotate));
}

.menu-icon-close > span:last-child {
  transform: rotate(calc(var(--rotate) * -1));
}

@media (any-hover: hover) {
  .menu-btn-open:hover > .menu-icon {
    gap: 4px;
  }
}
@media (any-hover: hover) and (width >= 48rem) {
  .menu-btn-open:hover > .menu-icon {
    gap: 7px;
  }
}
@media (any-hover: hover) and (width >= 64rem) {
  .menu-btn-open:hover > .menu-icon {
    gap: 9px;
  }
}
@media (any-hover: hover) {
  .menu-btn-close:hover > .menu-icon > span {
    --rotate: 30deg;
  }
}
.breadcrumbs {
  overflow-x: auto;
  overflow-y: hidden;
  overflow: auto;
  margin-bottom: var(--space-5);
  padding-block: var(--space-3);
  padding-inline: var(--space-5);
  white-space: nowrap;
}
@media (width >= 64rem) {
  .breadcrumbs {
    margin-bottom: var(--space-6);
    padding-inline: var(--space-8);
  }
}
@media (width >= 80rem) {
  .breadcrumbs {
    margin-bottom: var(--space-12);
    padding-inline: var(--space-12);
  }
}
.breadcrumbs ol {
  display: flex;
  justify-content: flex-start;
  line-height: 1.5;
}
@media (width >= 64rem) {
  .breadcrumbs ol {
    justify-content: flex-end;
    text-align: right;
  }
}
.breadcrumbs li {
  font-size: var(--text-xs);
}
.breadcrumbs li::before {
  margin: 0 6px;
  content: ">";
}
.breadcrumbs li:first-child {
  margin: 0;
  content: ">";
}
.breadcrumbs li:first-child:before {
  content: none;
}
.breadcrumbs::-webkit-scrollbar {
  display: none;
}
.breadcrumbs::-webkit-scrollbar-track {
  background: #f1f1f1;
}
.breadcrumbs::-webkit-scrollbar-thumb {
  background: #bcbcbc;
}

.info-list {
  border-top: 1px solid var(--gray-300);
  line-height: 1.5;
}
.info-list > div {
  border-bottom: 1px solid var(--gray-300);
  padding-block: var(--space-4);
}
.info-list dt {
  color: var(--teal-500);
  font-weight: 500;
  margin-bottom: var(--space-1);
}
.info-list a {
  display: block;
  color: var(--tgblue);
}
.info-list a:hover {
  color: var(--teal-500);
}
.info-list a:visited {
  color: var(--tgblue);
}
.info-list a {
  transition-duration: 0.3s;
}

@media (width >= 40rem) {
  .top-section {
    background-image: url("../img/watercolor.webp");
    background-size: cover;
  }
}

.top-section-content {
  background-image: url("../img/watercolor.webp");
  background-size: cover;
}
@media (width >= 40rem) {
  .top-section-content {
    background-image: none;
  }
}

.info-item h3 {
  font-size: 22px;
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-7);
  position: relative;
  padding-bottom: var(--space-7);
}
@media (width >= 48rem) {
  .info-item h3 {
    font-size: var(--text-2xl);
  }
}
@media (width >= 64rem) {
  .info-item h3 {
    font-size: var(--text-3xl);
  }
}
.info-item h3::after {
  background-color: var(--teal-500);
  border-radius: calc(infinity * 1px);
  content: "";
  width: 130px;
  height: 4px;
  position: absolute;
  bottom: 0;
  left: 0;
}
@media (width >= 64rem) {
  .info-item h3::after {
    width: 180px;
    height: 5px;
  }
}
.info-item .pubdate {
  color: var(--teal-500);
  margin-bottom: var(--space-7);
}

.info-item .entry {
  margin-bottom: 50px;
}
@media (width >= 48rem) {
  .info-item .entry {
    margin-bottom: 80px;
  }
}
@media (width >= 80rem) {
  .info-item .entry {
    margin-bottom: 100px;
  }
}

/*# sourceMappingURL=style.css.map */