@layer reset, base, components, responsive, accessibility;

@layer reset {
  html,
  body,
  main,
  article,
  section,
  header,
  div,
  h1,
  h2,
  h3,
  p,
  ol,
  li,
  dl,
  dt,
  dd {
    box-sizing: border-box;
    margin: 0;
  }

  ol {
    padding: 0;
    list-style: none;
  }

  img {
    display: block;
    max-inline-size: 100%;
  }
}

@layer base {
  :root {
    --ink: #443223;
    --paper: #fff7e7;
    --paper-deep: #ead9bd;
    --rust: #c55b1d;
    --amber: #cf8a15;
    --white: #fffaf0;
    --rule: 2px solid var(--ink);
    --body: "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
    --latin: "Arial Rounded MT Bold", "Avenir Next", sans-serif;

    color-scheme: light;
    background: var(--paper);
  }

  html {
    min-inline-size: 20rem;
  }

  body {
    min-block-size: 100dvh;
    overflow-x: clip;
    background-color: var(--paper);
    background-image:
      radial-gradient(rgb(68 50 35 / 0.05) 0.7px, transparent 0.7px),
      radial-gradient(rgb(197 91 29 / 0.03) 0.6px, transparent 0.6px);
    background-position:
      0 0,
      8px 11px;
    background-size:
      13px 13px,
      17px 17px;
    color: var(--ink);
    font-family: var(--body);
    font-kerning: normal;
    line-height: 1.6;
  }

  p,
  li,
  dd {
    text-wrap: pretty;
  }

  a {
    color: inherit;
  }

  :where(a:any-link):focus-visible {
    outline: 3px solid var(--amber);
    outline-offset: 4px;
  }

  ::selection {
    background: var(--amber);
    color: var(--ink);
  }

  .skip-link {
    position: fixed;
    inset: 0.5rem auto auto 0.5rem;
    z-index: 10;
    padding: 0.55rem 0.8rem;
    background: var(--ink);
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 700;
    transform: translateY(-200%);
  }

  .skip-link:focus {
    transform: translateY(0);
  }
}

@layer components {
  .flyer-shell {
    display: grid;
    min-block-size: 100dvh;
    padding: clamp(0.5rem, 2dvh, 1.25rem);
    place-items: center;
  }

  .flyer {
    display: grid;
    grid-template-columns:
      minmax(13rem, 0.72fr)
      minmax(21rem, 1.14fr)
      minmax(18rem, 0.86fr);
    grid-template-rows: auto auto;
    inline-size: min(96vw, 88rem);
    block-size: auto;
    min-block-size: 0;
    border: var(--rule);
    background: rgb(255 250 240 / 0.72);
    box-shadow: 0.75rem 0.75rem 0 var(--paper-deep);
    overflow: clip;
  }

  .logo-panel {
    position: relative;
    display: grid;
    min-inline-size: 0;
    min-block-size: 0;
    padding: clamp(1.25rem, 3vw, 3rem);
    border-inline-end: var(--rule);
    border-block-end: var(--rule);
    background:
      linear-gradient(
        90deg,
        transparent 49.8%,
        rgb(68 50 35 / 0.1) 50% 50.2%,
        transparent 50.4%
      ),
      linear-gradient(
        transparent 49.8%,
        rgb(68 50 35 / 0.1) 50% 50.2%,
        transparent 50.4%
      );
    place-items: center;
  }

  .logo-panel::before,
  .logo-panel::after {
    position: absolute;
    border-radius: 50%;
    content: "";
  }

  .logo-panel::before {
    inset: 8% auto auto 8%;
    inline-size: 0.65rem;
    block-size: 0.65rem;
    background: var(--rust);
    box-shadow:
      1.7rem 0 0 var(--rust),
      0 1.7rem 0 var(--rust);
  }

  .logo-panel::after {
    inset: auto 10% 10% auto;
    inline-size: 1.2rem;
    block-size: 1.2rem;
    border: 2px solid var(--amber);
    box-shadow: 0 0 0 0.35rem rgb(207 138 21 / 0.14);
  }

  .flyer-logo {
    inline-size: min(100%, 18rem);
    block-size: auto;
    filter: drop-shadow(0.55rem 0.6rem 0 rgb(68 50 35 / 0.12));
  }

  .crop-mark {
    position: absolute;
    inline-size: 1rem;
    block-size: 1rem;
    border-color: var(--ink);
  }

  .crop-mark-tl {
    inset: 0.75rem auto auto 0.75rem;
    border-block-start: 1px solid;
    border-inline-start: 1px solid;
  }

  .crop-mark-tr {
    inset: 0.75rem 0.75rem auto auto;
    border-block-start: 1px solid;
    border-inline-end: 1px solid;
  }

  .crop-mark-bl {
    inset: auto auto 0.75rem 0.75rem;
    border-block-end: 1px solid;
    border-inline-start: 1px solid;
  }

  .crop-mark-br {
    inset: auto 0.75rem 0.75rem auto;
    border-block-end: 1px solid;
    border-inline-end: 1px solid;
  }

  .intro-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-inline-size: 0;
    min-block-size: 0;
    padding: clamp(1.6rem, 3.5vw, 3.75rem);
    border-block-end: var(--rule);
    overflow: clip;
  }

  .intro-panel::after {
    position: absolute;
    inset: -4.5rem -4.5rem auto auto;
    inline-size: 10rem;
    block-size: 10rem;
    border: 1px solid rgb(68 50 35 / 0.14);
    border-radius: 50%;
    box-shadow:
      0 0 0 1.3rem rgb(68 50 35 / 0.045),
      0 0 0 2.8rem rgb(68 50 35 / 0.025);
    content: "";
  }

  .intro-panel h1 {
    position: relative;
    z-index: 1;
    font-size: clamp(2.8rem, 4.5vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.022em;
    line-height: 1.06;
  }

  .intro-panel h1 span {
    display: block;
    white-space: nowrap;
  }

  .intro-panel h1 span:last-child {
    color: var(--rust);
  }

  .intro-panel p {
    max-inline-size: 33rem;
    margin-block-start: clamp(1rem, 2.2vh, 1.6rem);
    font-size: clamp(0.86rem, 1.05vw, 1rem);
    font-weight: 400;
    line-height: 1.75;
  }

  .event-panel {
    display: grid;
    grid-column: 3;
    grid-row: 1;
    grid-template-rows: auto auto auto;
    min-inline-size: 0;
    min-block-size: 0;
    background: var(--rust);
    color: var(--white);
  }

  .event-title {
    padding: clamp(1.35rem, 2.4vw, 2.4rem);
    border-block-end: 1px solid rgb(255 250 240 / 0.68);
  }

  .event-title p {
    margin-block-end: 0.45rem;
    font-size: 0.75rem;
    font-weight: 600;
  }

  .event-title h2 {
    font-family: var(--latin);
    font-size: clamp(1.65rem, 2.6vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.018em;
    line-height: 1.12;
  }

  .event-data {
    display: grid;
    align-content: start;
  }

  .event-data > div {
    display: grid;
    grid-template-columns: 3.3rem 1fr;
    gap: 0.75rem;
    padding: clamp(0.8rem, 1.6vh, 1.25rem) clamp(1.2rem, 2.2vw, 2rem);
  }

  .event-data > div:not(:last-child) {
    border-block-end: 1px solid rgb(255 250 240 / 0.5);
  }

  .event-data dt {
    font-size: 0.72rem;
    font-weight: 500;
  }

  .event-data dd {
    font-size: clamp(0.82rem, 1vw, 0.95rem);
    font-weight: 600;
    line-height: 1.65;
  }

  .event-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-block-size: 4.25rem;
    padding: 0.9rem clamp(1.2rem, 2.2vw, 2rem);
    border-block-start: 1px solid rgb(255 250 240 / 0.68);
    background: var(--amber);
    color: var(--ink);
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
    transition:
      background 160ms ease,
      color 160ms ease;
  }

  .event-link:hover {
    background: var(--ink);
    color: var(--white);
  }

  .event-link b {
    font-family: var(--latin);
    font-size: 1.8rem;
  }

  .program-panel {
    display: grid;
    grid-column: 1 / 4;
    grid-row: 2;
    grid-template-columns: minmax(12.5rem, 0.42fr) minmax(0, 2.58fr);
    min-inline-size: 0;
    min-block-size: 0;
  }

  .program-panel > h2 {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: clamp(1.2rem, 2.5vw, 2.25rem);
    border-inline-end: var(--rule);
    font-size: clamp(1.65rem, 2.2vw, 2.45rem);
    font-weight: 800;
    letter-spacing: -0.012em;
    line-height: 1.12;
  }

  .program-panel > h2 span {
    display: block;
    white-space: nowrap;
  }

  .activity-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-inline-size: 0;
    min-block-size: 0;
  }

  .activity-list li {
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    align-items: start;
    gap: clamp(0.6rem, 1vw, 0.9rem);
    min-inline-size: 0;
    min-block-size: 0;
    padding: clamp(1rem, 2vw, 1.8rem);
  }

  .activity-list li:not(:last-child) {
    border-inline-end: var(--rule);
  }

  .activity-number {
    display: grid;
    inline-size: 1.9rem;
    aspect-ratio: 1;
    border: 2px solid var(--ink);
    border-radius: 50%;
    background: var(--amber);
    font-family: var(--latin);
    font-size: 0.8rem;
    font-weight: 700;
    place-items: center;
  }

  .activity-list h3 {
    font-size: clamp(1rem, 1.35vw, 1.3rem);
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.4;
  }

  .activity-list p {
    margin-block-start: 0.5rem;
    font-size: clamp(0.76rem, 0.9vw, 0.88rem);
    font-weight: 400;
    line-height: 1.65;
  }
}

@layer responsive {
  @media (max-width: 59.99rem) {
    .flyer {
      grid-template-columns: minmax(12rem, 0.75fr) minmax(20rem, 1.25fr);
      grid-template-rows: auto auto auto;
      block-size: auto;
      min-block-size: 0;
    }

    .logo-panel {
      border-block-end: var(--rule);
    }

    .flyer-logo {
      inline-size: min(100%, 13rem);
    }

    .intro-panel {
      border-block-end: var(--rule);
    }

    .intro-panel h1 {
      font-size: clamp(2.5rem, 6.5vw, 4rem);
    }

    .event-panel {
      grid-column: 1 / 3;
      grid-row: 2;
      grid-template-columns: minmax(13rem, 0.72fr) minmax(0, 1.45fr) minmax(
          11rem,
          0.65fr
        );
      grid-template-rows: auto;
      border-block-end: var(--rule);
    }

    .event-title {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 1rem 1.25rem;
      border-block-end: 0;
      border-inline-end: 1px solid rgb(255 250 240 / 0.68);
    }

    .event-title h2 {
      font-size: clamp(1.35rem, 3vw, 1.8rem);
    }

    .event-data {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .event-data > div {
      display: block;
      padding: 0.85rem 1rem;
    }

    .event-data > div:not(:last-child) {
      border-block-end: 0;
      border-inline-end: 1px solid rgb(255 250 240 / 0.5);
    }

    .event-data dt {
      margin-block-end: 0.35rem;
    }

    .event-data dd {
      font-size: 0.77rem;
    }

    .event-link {
      min-block-size: 100%;
      border-block-start: 0;
      border-inline-start: 1px solid rgb(255 250 240 / 0.68);
    }

    .program-panel {
      grid-column: 1 / 3;
      grid-row: 3;
    }
  }

  @media (max-width: 38rem) {
    .flyer-shell {
      padding: 0.35rem;
    }

    .flyer {
      grid-template-columns: 5.8rem minmax(0, 1fr);
      grid-template-rows: auto auto auto;
      inline-size: calc(100vw - 0.7rem);
      block-size: auto;
      min-block-size: 0;
      box-shadow: 0.3rem 0.3rem 0 var(--paper-deep);
    }

    .logo-panel {
      padding: 0.75rem;
      border-inline-end: var(--rule);
      border-block-end: var(--rule);
    }

    .logo-panel::before,
    .logo-panel::after,
    .crop-mark {
      display: none;
    }

    .flyer-logo {
      inline-size: 4.75rem;
    }

    .intro-panel {
      padding: 0.85rem 0.9rem;
      border-block-end: var(--rule);
    }

    .intro-panel::after {
      display: none;
    }

    .intro-panel h1 {
      font-size: clamp(1.65rem, 8.2vw, 2.25rem);
      letter-spacing: -0.018em;
      line-height: 1.03;
    }

    .intro-panel p {
      margin-block-start: 0.55rem;
      font-size: clamp(0.7rem, 3.1vw, 0.8rem);
      line-height: 1.5;
    }

    .program-panel {
      grid-column: 1 / 3;
      grid-row: 2;
      grid-template-columns: 1fr;
    }

    .program-panel > h2 {
      display: block;
      padding: 0.55rem 0.8rem;
      border-inline-end: 0;
      border-block-end: 1px solid var(--ink);
      font-size: 1.2rem;
      line-height: 1.2;
    }

    .program-panel > h2 span {
      display: inline;
    }

    .program-panel > h2 span + span::before {
      content: "";
    }

    .activity-list {
      grid-template-columns: 1fr;
    }

    .activity-list li {
      grid-template-columns: 1.65rem 1fr;
      grid-template-rows: 1fr;
      align-items: center;
      gap: 0.65rem;
      padding: 0.55rem 0.8rem;
    }

    .activity-list li:not(:last-child) {
      border-inline-end: 0;
      border-block-end: 1px solid var(--ink);
    }

    .activity-number {
      inline-size: 1.55rem;
      border-width: 1px;
      font-size: 0.68rem;
    }

    .activity-list h3 {
      font-size: clamp(0.83rem, 3.8vw, 0.98rem);
      line-height: 1.3;
    }

    .activity-list p {
      margin-block-start: 0.2rem;
      font-size: clamp(0.66rem, 3vw, 0.76rem);
      line-height: 1.4;
    }

    .event-panel {
      grid-column: 1 / 3;
      grid-row: 3;
      grid-template-columns: 1fr;
      grid-template-rows: auto auto auto;
      border-block-end: 0;
    }

    .event-title {
      display: grid;
      grid-template-columns: auto 1fr;
      align-items: baseline;
      gap: 0.65rem;
      padding: 0.55rem 0.8rem;
      border-inline-end: 0;
      border-block-end: 1px solid rgb(255 250 240 / 0.55);
    }

    .event-title p {
      margin: 0;
      font-size: 0.65rem;
    }

    .event-title h2 {
      font-size: clamp(1rem, 4.5vw, 1.25rem);
      white-space: nowrap;
    }

    .event-data {
      grid-template-columns: 1fr 1.45fr 0.55fr;
    }

    .event-data > div {
      padding: 0.55rem 0.7rem;
    }

    .event-data dt {
      margin-block-end: 0.15rem;
      font-size: 0.6rem;
    }

    .event-data dd {
      font-size: clamp(0.61rem, 2.8vw, 0.72rem);
      line-height: 1.35;
    }

    .event-link {
      min-block-size: 2.75rem;
      padding: 0.45rem 0.8rem;
      border-inline-start: 0;
      border-block-start: 1px solid rgb(255 250 240 / 0.68);
      font-size: 0.75rem;
    }

    .event-link b {
      font-size: 1.25rem;
    }
  }
}

@layer accessibility {
  @media (pointer: coarse) {
    .event-link {
      min-block-size: 3rem;
    }
  }

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

    .event-link {
      transition: none;
    }
  }

  @media (forced-colors: active) {
    .flyer,
    .logo-panel,
    .intro-panel,
    .event-panel,
    .program-panel,
    .activity-list li,
    .event-link {
      border-color: CanvasText;
      box-shadow: none;
    }
  }

  @media print {
    body {
      background: white;
    }

    .flyer-shell {
      padding: 0;
    }

    .flyer {
      inline-size: 100%;
      block-size: 100vh;
      border: 1px solid black;
      box-shadow: none;
    }

    .skip-link {
      display: none;
    }
  }
}