/* 手書きフォントを同梱しているため、外部サイトへの接続は不要です。 */
@import url("./assets/fonts/yomogi.css");

:root {
  --paper: #fffef6;
  --desk: #e9e8df;
  --ink: #16150f;
  --yellow: #ffdc18;
  --pencil: #625f52;
  --red-line: rgba(232, 84, 84, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--desk);
  color: var(--ink);
  font-family: "Yomogi", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 4px solid var(--yellow);
  outline-offset: 4px;
}

main {
  min-height: 100vh;
  overflow: hidden;
}

.yellow-tape {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  width: min(100% - 32px, 1040px);
  margin: 0 auto;
  padding: 10px 25px 9px;
  background: var(--yellow);
  box-shadow: 0 3px 0 rgba(22, 21, 15, 0.16);
  font-size: 13px;
  letter-spacing: 0.08em;
  transform: rotate(-0.35deg);
}

.notebook {
  position: relative;
  width: min(100% - 32px, 1040px);
  margin: -1px auto 48px;
  padding: 0 clamp(24px, 6vw, 72px);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 37px,
    rgba(76, 133, 171, 0.12) 38px,
    transparent 39px
  );
  box-shadow: 8px 10px 0 rgba(22, 21, 15, 0.12);
}

.notebook::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 clamp(12px, 3vw, 34px);
  width: 1px;
  background: var(--red-line);
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 90px;
  border-bottom: 2px solid var(--ink);
  border-radius: 0 0 49% 2% / 0 0 7px 2px;
}

.small-sign {
  justify-self: start;
  font-size: 23px;
  transform: rotate(-1deg);
}

.site-header p,
.header-doodle {
  margin: 0;
  color: var(--pencil);
  font-size: 13px;
}

.header-doodle {
  justify-self: end;
  font-size: 20px;
  transform: rotate(-5deg);
}

.latest-video-section {
  padding: 40px 0 0;
}

.video-card {
  position: relative;
  display: block;
  width: 50%;
  margin: 0 auto;
  overflow: hidden;
  border: 2px solid var(--ink);
  border-radius: 9px 3px 8px 2px / 3px 8px 2px 9px;
  box-shadow: 4px 5px 0 rgba(22, 21, 15, 0.14);
  transform: rotate(-0.4deg);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.video-card:hover {
  box-shadow: 6px 7px 0 var(--ink);
  transform: rotate(0deg) translateY(-4px);
}

.video-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--desk);
  object-fit: cover;
}

.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--yellow);
  font-size: 22px;
  transform: translate(-50%, -50%) rotate(-4deg);
  transition: transform 160ms ease;
}

.video-card:hover .video-play {
  transform: translate(-50%, -50%) rotate(0deg) scale(1.08);
}

.random-work-section {
  padding: 36px 0 0;
}

.random-work-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.84);
  border: 2px solid var(--ink);
  border-radius: 9px 3px 8px 2px / 3px 8px 2px 9px;
  box-shadow: 4px 5px 0 rgba(22, 21, 15, 0.14);
  transform: rotate(-0.4deg);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.random-work-card:hover {
  background: var(--yellow);
  box-shadow: 6px 7px 0 var(--ink);
  transform: rotate(0deg) translateY(-4px);
}

.random-work-thumb-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--desk);
  border-bottom: 2px solid var(--ink);
}

.random-work-thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.random-work-play {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--yellow);
  font-size: 20px;
  transform: translate(-50%, -50%) rotate(-4deg);
  transition: transform 160ms ease;
}

.random-work-card:hover .random-work-play {
  transform: translate(-50%, -50%) rotate(0deg) scale(1.08);
}

.random-work-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
}

.random-work-title {
  font-size: 18px;
  line-height: 1.5;
}

.random-work-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}

.random-work-date {
  color: var(--pencil);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.random-work-watch {
  display: inline-block;
  padding: 2px 10px;
  background: var(--yellow);
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 11px;
  white-space: nowrap;
}

.works-cta {
  padding: 20px 0 0;
}

.links-section {
  padding: 58px 0 84px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 39px;
}

.section-heading p {
  display: inline-block;
  margin: 0 0 7px;
  padding: 2px 9px;
  background: var(--yellow);
  font-size: 13px;
  transform: rotate(-1deg);
}

.section-heading h1 {
  margin: 0;
  font-size: clamp(40px, 5vw, 58px);
  font-weight: 400;
  line-height: 1.2;
}

.section-heading > span {
  color: var(--pencil);
  font-size: 22px;
  transform: rotate(-5deg);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 22px;
}

.link-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 19px;
  align-items: center;
  min-height: 122px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.84);
  border: 2px solid var(--ink);
  border-radius: 7px 3px 9px 2px / 3px 8px 2px 9px;
  box-shadow: 3px 4px 0 rgba(22, 21, 15, 0.12);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.link-card:nth-child(4n + 1) {
  transform: rotate(-0.7deg);
}

.link-card:nth-child(4n + 2) {
  transform: rotate(0.55deg);
}

.link-card:nth-child(4n + 3) {
  transform: rotate(0.35deg);
}

.link-card:nth-child(4n) {
  transform: rotate(-0.45deg);
}

.link-card:hover {
  z-index: 1;
  background: var(--yellow);
  box-shadow: 5px 6px 0 var(--ink);
  transform: rotate(0deg) translateY(-4px);
}

.link-card.is-main {
  background: var(--yellow);
  border-style: dashed;
}

.link-card.club-link {
  background: var(--ink);
  box-shadow: 5px 6px 0 var(--yellow);
  color: var(--paper);
}

.link-card.club-link:hover {
  background: var(--yellow);
  box-shadow: 5px 6px 0 var(--ink);
  color: var(--ink);
}

.club-link .link-mark {
  border-color: currentColor;
}

.club-link .link-copy small {
  color: var(--yellow);
}

.club-link:hover .link-copy small {
  color: var(--pencil);
}

.link-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 2px solid var(--ink);
  border-radius: 47% 53% 46% 54% / 52% 43% 57% 48%;
  font-size: 19px;
  transform: rotate(-5deg);
}

.link-copy {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.link-copy strong {
  font-size: 24px;
  font-weight: 400;
}

.link-copy small {
  color: var(--pencil);
  font-size: 12px;
}

.link-arrow {
  font-size: 27px;
  transition: transform 160ms ease;
}

.link-card:hover .link-arrow {
  transform: translate(3px, -3px) rotate(6deg);
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 108px;
  border-top: 2px dashed var(--ink);
  color: var(--pencil);
  font-size: 12px;
}

footer p {
  margin: 0;
}

footer span {
  justify-self: center;
}

footer a {
  justify-self: end;
}

.news-section {
  padding: 0 0 84px;
}

.news-list {
  display: grid;
  gap: 22px;
}

.news-card {
  position: relative;
  padding: 26px clamp(22px, 4vw, 32px);
  background: rgba(255, 255, 255, 0.84);
  border: 2px solid var(--ink);
  border-radius: 8px 3px 9px 2px / 3px 9px 2px 8px;
  box-shadow: 3px 4px 0 rgba(22, 21, 15, 0.12);
}

.news-card:nth-child(odd) {
  transform: rotate(-0.5deg);
}

.news-card:nth-child(even) {
  transform: rotate(0.4deg);
}

.news-date {
  display: inline-block;
  margin: 0 0 12px;
  padding: 2px 9px;
  background: var(--yellow);
  font-size: 12px;
  transform: rotate(-1deg);
}

.news-card h2 {
  margin: 0 0 8px;
  font-size: 21px;
  font-weight: 400;
  line-height: 1.4;
}

.news-desc {
  margin: 0 0 4px;
  color: var(--pencil);
  font-size: 13px;
}

.news-achieve {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.news-achieve li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
}

.news-achieve li::before {
  content: "☆";
  position: absolute;
  left: 0;
  color: var(--pencil);
}

.news-achieve mark {
  background: var(--yellow);
  padding: 1px 7px;
  color: var(--ink);
  border-radius: 2px 6px 2px 6px / 6px 2px 6px 2px;
}

.club-cta {
  padding: 0 0 84px;
}

.club-page {
  position: relative;
  background: #030303;
  color: #f7f4df;
}

.club-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image: repeating-linear-gradient(
      17deg,
      transparent 0 17px,
      rgba(255, 220, 24, 0.16) 18px,
      transparent 19px 41px
    ),
    repeating-linear-gradient(
      -13deg,
      transparent 0 53px,
      rgba(255, 255, 255, 0.08) 54px,
      transparent 55px 83px
    );
}

.club-page .yellow-tape {
  color: #0a0a08;
  box-shadow: 0 4px 0 rgba(255, 255, 255, 0.15);
}

.club-page .notebook {
  z-index: 1;
  min-height: calc(100vh - 48px);
  background-color: #090908;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 37px,
    rgba(255, 220, 24, 0.1) 38px,
    transparent 39px
  );
  box-shadow: 8px 10px 0 rgba(255, 220, 24, 0.22);
}

.club-page .notebook::before {
  background: rgba(255, 220, 24, 0.32);
}

.club-page .site-header {
  border-color: var(--yellow);
}

.club-page .site-header p,
.club-page .header-doodle {
  color: #aaa78f;
}

.club-shell {
  display: grid;
  place-items: center;
  min-height: 590px;
  padding: 72px 0 96px;
}

.club-card {
  position: relative;
  width: min(100%, 560px);
  padding: 49px clamp(24px, 7vw, 52px) 43px;
  overflow: hidden;
  background: rgba(10, 10, 9, 0.96);
  border: 2px solid #f7f4df;
  border-radius: 5px 8px 3px 10px / 8px 4px 9px 3px;
  box-shadow: 7px 8px 0 rgba(255, 220, 24, 0.65);
  transform: rotate(-0.35deg);
}

.club-card.is-content {
  width: min(100%, 720px);
  padding-inline: clamp(24px, 6vw, 64px);
}

.club-card::before {
  content: "RESTRICTED  //  RESTRICTED  //  RESTRICTED";
  position: absolute;
  top: 12px;
  right: -58px;
  width: 280px;
  padding: 3px 0;
  background: var(--yellow);
  color: #050505;
  font-family: system-ui, sans-serif;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-align: center;
  transform: rotate(18deg);
}

.club-kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding: 2px 8px;
  background: var(--yellow);
  color: #050505;
  font-size: 12px;
  transform: rotate(1deg);
}

.club-card h1 {
  margin: 0;
  color: #fffef2;
  font-size: clamp(34px, 6vw, 49px);
  font-weight: 400;
  line-height: 1.25;
  text-shadow: 3px 2px 0 rgba(255, 220, 24, 0.2);
}

.club-description {
  margin: 17px 0 28px;
  color: #aaa78f;
  font-size: 14px;
  line-height: 1.8;
}

.club-content {
  margin-top: 34px;
}

.club-intro {
  padding: 21px 0 25px;
  border-top: 1px dashed rgba(255, 220, 24, 0.7);
  border-bottom: 1px dashed rgba(255, 220, 24, 0.7);
}

.club-intro p {
  margin: 0;
  font-size: 15px;
  line-height: 2;
}

.club-intro p + p {
  margin-top: 13px;
}

.club-info-block {
  margin-top: 43px;
}

.club-info-block h2 {
  display: inline-block;
  margin: 0 0 18px;
  color: var(--yellow);
  font-size: 20px;
  font-weight: 400;
  transform: rotate(-0.5deg);
}

.club-info-block p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
}

.club-date {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.08em;
}

.club-info-block ul {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.club-info-block li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
}

.club-info-block li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--yellow);
}

.club-entrance {
  margin-top: 55px;
  text-align: center;
}

.club-arrows {
  max-width: 100%;
  margin: 0;
  overflow: hidden;
  color: var(--yellow);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 17px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.entrance-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 390px);
  min-height: 78px;
  margin: 19px auto 22px;
  padding: 15px 25px;
  background: var(--yellow);
  border: 2px solid var(--yellow);
  border-radius: 5px 2px 8px 3px / 3px 8px 2px 7px;
  box-shadow: 5px 6px 0 #f7f4df;
  color: #050505;
  font-size: 28px;
  transform: rotate(-0.7deg);
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.entrance-button:hover {
  background: #050505;
  color: var(--yellow);
  transform: rotate(0deg) translateY(-3px);
}

.entrance-note {
  margin: 0 0 20px;
  color: #d7d3bc;
  font-size: 13px;
  line-height: 1.9;
}

.back-link {
  display: inline-block;
  margin-top: 35px;
  border-bottom: 1px dashed currentColor;
  color: #aaa78f;
  font-size: 12px;
}

@media (max-width: 780px) {
  .yellow-tape {
    width: calc(100% - 20px);
    padding-inline: 16px;
    font-size: 10px;
  }

  .yellow-tape span:last-child {
    display: none;
  }

  .notebook {
    width: calc(100% - 20px);
    margin-bottom: 24px;
    padding: 0 25px 0 35px;
    box-shadow: 5px 7px 0 rgba(22, 21, 15, 0.12);
  }

  .notebook::before {
    left: 20px;
  }

  .site-header {
    min-height: 74px;
    grid-template-columns: 1fr auto;
  }

  .site-header p {
    display: none;
  }

  .small-sign {
    font-size: 19px;
  }

  .header-doodle {
    font-size: 16px;
  }

  .latest-video-section {
    padding: 28px 0 0;
  }

  .video-play {
    width: 48px;
    height: 48px;
    font-size: 17px;
  }

  .random-work-section {
    padding: 24px 0 0;
  }

  .random-work-play {
    width: 46px;
    height: 46px;
    font-size: 16px;
  }

  .random-work-body {
    padding: 13px 15px;
  }

  .random-work-title {
    font-size: 16px;
  }

  .random-work-date,
  .random-work-watch {
    font-size: 10px;
  }

  .works-cta {
    padding: 14px 0 0;
  }

  .links-section {
    padding: 48px 0 69px;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .section-heading h1 {
    font-size: 41px;
  }

  .section-heading > span {
    display: none;
  }

  .link-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .link-card,
  .link-card.club-link {
    grid-column: auto;
    min-height: 107px;
    gap: 14px;
    padding: 17px 15px;
  }

  .link-mark {
    width: 42px;
    height: 42px;
    font-size: 16px;
  }

  .link-copy strong {
    font-size: 21px;
  }

  .link-copy small {
    font-size: 10px;
    line-height: 1.5;
  }

  .link-arrow {
    font-size: 22px;
  }

  .news-section {
    padding: 0 0 69px;
  }

  .news-card {
    padding: 20px 18px;
  }

  .news-card h2 {
    font-size: 18px;
  }

  .news-desc,
  .news-achieve li {
    font-size: 12px;
  }

  .club-cta {
    padding: 0 0 69px;
  }

  footer {
    min-height: 96px;
    grid-template-columns: 1fr auto;
    font-size: 10px;
  }

  footer span {
    display: none;
  }

  .club-shell {
    min-height: calc(100vh - 98px);
    padding: 50px 0 70px;
  }

  .club-card {
    padding: 43px 23px 35px;
  }

  .club-card h1 {
    font-size: 34px;
  }

  .club-card::before {
    right: -83px;
  }

  .club-intro p,
  .club-info-block p,
  .club-info-block li {
    font-size: 12px;
  }

  .club-info-block {
    margin-top: 36px;
  }

  .club-entrance {
    margin-top: 45px;
  }

  .entrance-button {
    min-height: 68px;
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}