@charset "UTF-8";
/*
A modern CSS reset 2023 / 9 / 18
https://github.com/Andy-set-studio/modern-css-reset
*/
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body, h1, h2, h3, h4, p, figure, blockquote, dl, dd {
  margin: 0;
}

ul[role=list], ol[role=list] {
  list-style: none;
}

body {
  min-height: 100vh;
  line-height: 1.5;
}

h1, h2, h3, h4, button, input, label {
  line-height: 1.1;
}

h1, h2, h3, h4 {
  text-wrap: balance;
}

a:not([class]) {
  text-decoration-skip-ink: auto;
  color: currentColor;
}

img, picture {
  max-width: 100%;
  display: block;
}

input, button, textarea, select {
  font: inherit;
}

textarea:not([rows]) {
  min-height: 10em;
}

:target {
  scroll-margin-block: 5ex;
}

/**  base  **/
p,
ul,
ol,
h1,
h2,
h3,
figure,
dl,
dd,
button,
pre {
  margin: 0;
  padding: 0;
}

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

ul,
ol {
  list-style: none;
}

img,
video {
  max-width: 100%;
  vertical-align: bottom;
  line-height: 1;
}

button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  outline: none;
  appearance: none;
}

a {
  color: currentColor;
  text-decoration: none;
  transition: all 0.25s ease-out;
}
@media (hover: hover) {
  a:hover {
    filter: brightness(1.12);
  }
}

button {
  transition: all 0.25s ease-out;
}
@media (hover: hover) {
  button:hover {
    filter: brightness(1.12);
  }
}

[x-cloak],
[v-cloak] {
  display: none !important;
}

*:focus {
  outline: none;
}

html {
  scroll-behavior: smooth;
  font-size: 62.5%;
}

body {
  font-size: 1.6rem;
  overflow-wrap: anywhere; /* 収まらない場合に折り返す */
  word-break: normal; /* 単語の分割はデフォルトに依存 */
  line-break: strict; /* 禁則処理を厳格に適用 */
}
body.scroll_rock {
  overflow: hidden;
}

a[target=_blank]:not([data-platform])::after {
  margin: 0 3px 0 1px;
  font-family: "Hobonichi-Icons";
  content: "\e914";
  font-size: 85%;
  position: relative;
  top: -3px;
}

.sr-only {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  -webkit-clip-path: inset(50%);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  margin: -1px;
  padding: 0;
  position: absolute;
  width: 1px;
  white-space: nowrap;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transform: translateY(-100%);
  transition: all 0.5s 0.25s cubic-bezier(0.075, 0.82, 0.165, 1);
  filter: drop-shadow(0 4px 13px rgba(0, 0, 0, 0.18));
}
.header.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.25s cubic-bezier(0.075, 0.82, 0.165, 1);
}
@media (min-width: 48rem) {
  .header {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  }
}

:root {
  --color-green: #AFD6D4;
  --color-gray: #B7C0C1;
  --color-gray-light: #EAEAEA;
  --color-orange: #D16F4C;
  --color-white: white;
  --color-black: black;
}

#header pre,
#footer pre {
  white-space: pre-line;
}

.preface {
  padding-block: var(--preface-pad, 3rem 5rem);
  background-color: var(--color-green);
}
.preface .logo {
  display: block;
  width: min(29.3333333333%, 15rem);
  height: auto;
  margin-left: 8.5333333333%;
}
.preface h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 69.8666666667%;
  aspect-ratio: 1;
  border: 2px solid var(--color-black);
}
.preface h1 img {
  width: 26.3565891473%;
  height: auto;
}
.preface .group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5.6rem min(5%, 11rem);
  margin-block: 6.8rem 4.3rem;
}
.preface .group h1,
.preface .group .yodogawa {
  flex: none;
}
@media (min-width: 48rem) {
  .preface {
    --preface-pad: 9.8rem 6.4rem;
  }
  .preface h1 {
    width: min(45%, 44rem);
    margin-block: 0;
  }
  .preface h1 img {
    width: 20.4128440367%;
  }
  .preface .group {
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
    margin-block: 6.8rem 11.2rem;
  }
}
@media (min-width: 75rem) {
  .preface .logo {
    width: 19rem;
  }
  .preface .group {
    gap: 0 11rem;
  }
  .preface .yodogawa {
    margin-top: 1.1rem;
  }
}
@media (width > 1440px) {
  .preface .group {
    margin-block: 0.7rem 11.2rem;
    padding-left: 8.2671957672%;
  }
}

[data-watch=cover] img {
  opacity: 0;
  filter: blur(10px);
  transition: all 1s ease-out;
}
[data-watch=cover] .yodogawa p {
  opacity: 0;
  transition: opacity 1s var(--anim-delay, 0s) ease-out;
}
[data-watch=cover] .yodogawa p:nth-of-type(1) {
  --anim-delay: 0.25s;
}
[data-watch=cover] .yodogawa p:nth-of-type(2) {
  --anim-delay: 0.5s;
}
[data-watch=cover] .yodogawa p:nth-of-type(3) {
  --anim-delay: 0.75s;
}
[data-watch=cover] .yodogawa p:nth-of-type(4) {
  --anim-delay: 1s;
}
[data-watch=cover].in-view img {
  opacity: 1;
  filter: blur(0);
}
[data-watch=cover].in-view p {
  opacity: 1;
}

[data-watch=toc] li {
  opacity: 0;
  transition: opacity 1s var(--anim-delay, 0s) ease-out;
}
[data-watch=toc] li:nth-of-type(1) {
  --anim-delay: 0.25s;
}
[data-watch=toc] li:nth-of-type(2) {
  --anim-delay: 0.5s;
}
[data-watch=toc] li:nth-of-type(3) {
  --anim-delay: 0.75s;
}
[data-watch=toc].in-view li {
  opacity: 1;
}

[data-watch=picture] {
  opacity: 0;
  transition: opacity 1s var(--anim-delay, 0s) ease-out;
}
[data-watch=picture].in-view {
  opacity: 1;
}

.yodogawa {
  width: 85.3333333333%;
}
.yodogawa p {
  font-family: "Yu Gothic Pr6N D";
  font-size: 1.5rem;
  line-height: 1.6;
  text-align: justify;
}
.yodogawa p + p {
  margin-top: 2em;
}
.yodogawa br {
  display: none;
}
@media (min-width: 48rem) {
  .yodogawa {
    width: max-content;
  }
  .yodogawa br {
    display: block;
  }
}

.toc {
  width: min(100%, 118rem);
  margin-inline: auto;
  padding-inline: 2.4rem;
}
.toc ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, 26.2rem);
  justify-content: center;
  gap: 2.4rem 4.8rem;
}
.toc ul a {
  display: grid;
  grid-template-columns: 9.5rem auto;
  width: 100%;
  padding: 1.6rem 1rem;
  background-color: var(--color-gray);
  clip-path: polygon(0% 0%, 91.2213740458% 0%, 100% 12.8378378378%, 100% 100%, 0% 100%);
}
.toc ul h3 {
  grid-column: span 2;
  margin-bottom: 0.6rem;
  font-family: "helvetica-neue-lt-pro-cond", sans-serif;
  font-weight: 700;
  font-style: normal;
  font-size: 1.8rem;
  line-height: 1;
}
.toc ul h4 {
  align-self: end;
  padding-left: 1.5rem;
  font-family: "Koburina Gothic W6 JIS2004";
  line-height: 1;
}
.toc ul h4 span {
  display: block;
}
.toc ul h4 .title {
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}
.toc ul h4 .name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.5rem;
}
.toc ul h4::after {
  content: "";
  display: block;
  width: 2.4rem;
  height: 0.95rem;
  background-color: currentColor;
  mask-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 21 9" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M20.0908 7.87402L19.5283 8.36914L18.9648 8.86426L12.0352 0.990234L13.1621 0L20.0908 7.87402ZM17.0078 8.80469H0V7.30469H17.0078V8.80469Z"/%3E%3C/svg%3E');
  mask-repeat: no-repeat;
}
.toc ul h4::after {
  margin-top: 1.1rem;
}
@media (min-width: 48rem) {
  .toc ul {
    justify-content: start;
  }
}
@media (min-width: 75rem) {
  .toc {
    padding-inline: 0;
  }
}