@layer foundation, layout, component, project, utility;

@layer foundation {
  :root {
    /* Color */
    --color-primary: #8b5fa3;
    --color-primary-dark: #8b5fa3;
    --color-primary-hover: #70447f;
    --color-primary-light: #f4edf8;
    --color-accent: #e15c70;
    --color-text: #111111;
    --color-text-sub: #666666;
    --color-text-inverse: #ffffff;
    --color-bg: #ffffff;
    --color-bg-sub: #f6f2f7;
    --color-border: #e5e5e5;
    --color-border-strong: #cccccc;
    --color-focus: #8b5fa3;
    --color-gray-50: #f7f7f7;
    --color-gray-100: #eeeeee;
    --color-primary-transparent-strong: rgb(139 95 163 / 14%);
    --color-subheading-start: #efdff7;
    --color-subheading-end: #f5dce7;
    --color-text-transparent: rgb(51 51 51 / 10%);
    --color-camera-card: #746e77;
    --gradient-key: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
    --gradient-subtle-bg: #F8F5F9;
    --shadow-header: 0 2px 12px rgb(0 0 0 / 6%);
    --shadow-page-top: 0 4px 16px rgb(0 0 0 / 10%);
    --shadow-hero: 0 24px 60px var(--color-text-transparent);

    /* Font */
    --font-family-base: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
    --font-family-en: Arial, sans-serif;
    --font-size-caption: 0.75rem;
    --font-size-small: 0.875rem;
    --font-size-body: clamp(0.9375rem, calc(0.875rem + 0.25vw), 1rem);
    --font-size-body-lg: clamp(1rem, calc(0.9375rem + 0.25vw), 1.125rem);
    --font-size-heading-xs: clamp(1.125rem, calc(1rem + 0.5vw), 1.25rem);
    --font-size-heading-sm: clamp(1.125rem, calc(1rem + 0.75vw), 1.5rem);
    --font-size-heading-md: clamp(1.5rem, calc(1.25rem + 1vw), 2rem);

    /* Line height */
    --line-height-base: 1.8;
    --line-height-heading: 1.35;

    /* Space */
    --space-4: 4px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;
    --space-40: 40px;
    --space-48: 48px;
    --space-section: clamp(4rem, 8vw, 6.5rem);
    --space-block: clamp(3rem, 6vw, 5rem);

    /* Layout */
    --container-width: 1380px;
    --container-padding: clamp(20px, 4vw, 48px);
    --header-height: 84px;

    /* Shape */
    --radius-sm: 2px;
    --radius-md: 4px;

    /* Animation */
    --duration-fast: 0.24s;
    --duration-base: 0.36s;
    --easing-base: cubic-bezier(0.22, 1, 0.36, 1);

    /* Layer */
    --z-header: 20;
    --z-page-top: 30;
    --z-modal: 100;
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height));
  }

  body {
    margin: 0;
    color: var(--color-text);
    background-color: var(--color-bg);
    font-family: var(--font-family-base);
    font-size: var(--font-size-body);
    line-height: var(--line-height-base);
    text-rendering: optimizeLegibility;
  }

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

  h1,
  h2,
  h3,
  h4,
  h5,
  p,
  figure,
  dl,
  dd,
  ol,
  ul {
    margin: 0;
  }

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

  img {
    display: block;
    max-width: 100%;
    height: auto;
  }

  a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.25em;
  }

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

  button,
  a {
    -webkit-tap-highlight-color: transparent;
  }

  :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 4px;
  }

  [hidden] {
    display: none;
  }

  @media (width <= 900px) {
    html {
      scroll-padding-top: calc(var(--header-height) - 20px);
    }
  }

  @media (width <= 700px) {
    :root {
      --header-height: 72px;
    }
  }
}

@layer layout {
  .l-container {
    width: 100%;
    max-width: var(--container-width);
    margin-inline: auto;
    padding-inline: var(--container-padding);
  }

  .l-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: var(--z-header);
    min-height: var(--header-height);
  }

  .l-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
  }

  .l-main {
    padding-block-start: var(--header-height);
  }

  .l-footer {
    padding-block: clamp(48px, 6vw, 72px) var(--space-24);
  }
}

@layer component {
  .c-skip-link {
    position: fixed;
    inset-block-start: var(--space-12);
    inset-inline-start: var(--space-12);
    z-index: var(--z-modal);
    padding: var(--space-8) var(--space-16);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    color: var(--color-primary-dark);
    background-color: var(--color-bg);
    transform: translateY(-160%);
    transition: transform var(--duration-fast) var(--easing-base);
  }

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

  .c-section-heading {
    position: relative;
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
    padding-inline-start: var(--space-24);
  }

  .c-section-heading::before {
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0;
    width: 6px;
    background: var(--gradient-key);
    content: "";
  }

  .c-section-heading__title {
    font-size: var(--font-size-heading-md);
    font-weight: 700;
    line-height: var(--line-height-heading);
    letter-spacing: 0.01em;
  }

  .c-section-heading__lead {
    margin-block-start: var(--space-16);
    color: var(--color-text);
    font-size: var(--font-size-body-lg);
  }

  .c-subheading {
    padding: var(--space-16) var(--space-20);
    border-radius: var(--radius-md);
    background: linear-gradient(
      90deg,
      var(--color-subheading-start) 0%,
      var(--color-subheading-end) 100%
    );
    font-size: var(--font-size-heading-sm);
    font-weight: 600;
    line-height: var(--line-height-heading);
    letter-spacing: 0.01em;
  }

  .c-block-heading {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: var(--space-8) var(--space-20);
    padding-inline-start: var(--space-16);
    border-inline-start: 4px solid var(--color-primary);
    background-color: var(--color-bg-sub);
    font-size: var(--font-size-heading-xs);
    font-weight: 700;
    line-height: var(--line-height-heading);
  }

  .c-text {
    margin-block-start: var(--space-20);
    color: var(--color-text);
    font-size: var(--font-size-body);
    line-height: var(--line-height-base);
  }

  .c-text--compact {
    margin-block-start: var(--space-8);
  }

  .c-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    min-height: 48px;
    padding: var(--space-12) var(--space-16);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 700;
    line-height: 1.5;
    text-decoration: none;
    transition: color var(--duration-fast) var(--easing-base), background-color var(--duration-fast) var(--easing-base), border-color var(--duration-fast) var(--easing-base);
  }

  .c-button--primary {
    color: var(--color-text-inverse);
    background-color: var(--color-primary);
  }

  .c-button--outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-bg);
  }

  .c-external-mark {
    flex: 0 0 auto;
    place-items: center;
    line-height: 1;
  }

  .c-embed {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-gray-50);
  }

  .c-subheading + .c-embed {
    margin-block-start: var(--space-24);
  }

  .c-embed__frame {
    display: block;
    width: 100%;
    height: clamp(320px, 42vw, 520px);
    border: 0;
  }

  .c-tabs {
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
  }

  .c-tabs__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    padding: 0;
    border-block-end: 1px solid var(--color-border);
    background-color: var(--color-bg-sub);
  }

  .c-tabs__tab {
    position: relative;
    display: inline-flex;
    gap: var(--space-12);
    align-items: center;
    justify-content: center;
    min-height: 60px;
    padding: var(--space-12) var(--space-16);
    border: 0;
    border-inline-end: 1px solid var(--color-border);
    color: var(--color-text-sub);
    background-color: transparent;
    font-weight: 600;
    cursor: pointer;
    transition: color var(--duration-fast) var(--easing-base), background-color var(--duration-fast) var(--easing-base), box-shadow var(--duration-fast) var(--easing-base);
  }

  .c-tabs__tab:last-child {
    border-inline-end: 0;
  }

  .c-tabs__tab.is-active {
    color: var(--color-primary);
    background-color: var(--color-bg);
    box-shadow: inset 0 -3px 0 var(--color-primary);
  }

  .c-tabs__panel {
    padding: clamp(24px, 4vw, 40px);
  }

  .c-page-top {
    position: fixed;
    inset-block-end: var(--space-20);
    inset-inline-end: var(--space-20);
    z-index: var(--z-page-top);
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary-dark);
    background-color: var(--color-bg);
    box-shadow: var(--shadow-page-top);
    font-family: var(--font-family-en);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity var(--duration-fast) var(--easing-base), transform var(--duration-fast) var(--easing-base);
  }

  .c-page-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .c-page-top::before {
    width: 11px;
    height: 11px;
    border-block-start: 2px solid currentcolor;
    border-inline-start: 2px solid currentcolor;
    content: "";
    transform: rotate(45deg) translate(2px, 2px);
  }

  .c-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: grid;
    place-items: center;
    padding: clamp(16px, 4vw, 48px);
    background-color: rgb(20 17 22 / 86%);
    backdrop-filter: blur(6px);
  }

  .c-modal[hidden] {
    display: none;
  }

  .c-modal :focus-visible {
    outline-color: var(--color-primary);
  }

  .c-modal__dialog {
    position: relative;
    width: min(100%, 1120px);
    max-height: calc(100vh - 40px);
    overflow: auto;
    padding: clamp(24px, 4vw, 40px);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text);
    background-color: var(--color-bg);
    box-shadow: 0 24px 80px rgb(0 0 0 / 42%);
  }

  .c-modal__close {
    position: absolute;
    inset-block-start: var(--space-20);
    inset-inline-end: var(--space-20);
    z-index: 1;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border-strong);
    border-radius: 50%;
    color: var(--color-text);
    background-color: var(--color-gray-50);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: color var(--duration-fast) var(--easing-base), background-color var(--duration-fast) var(--easing-base), border-color var(--duration-fast) var(--easing-base), transform var(--duration-fast) var(--easing-base);
  }

  .c-modal__title {
    min-height: 44px;
    padding-block-end: var(--space-16);
    padding-inline-end: 64px;
    border-block-end: 1px solid var(--color-border);
    font-size: var(--font-size-heading-xs);
    font-weight: 700;
  }

  .c-modal__media {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) 48px;
    gap: var(--space-20);
    align-items: center;
    margin-block-start: var(--space-24);
  }

  .c-modal__image {
    width: 100%;
    max-height: calc(100vh - 220px);
    object-fit: contain;
    background-color: #171519;
  }

  .c-modal__nav {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--color-border-strong);
    border-radius: 50%;
    color: var(--color-primary);
    background-color: var(--color-gray-50);
    line-height: 1;
    cursor: pointer;
    transition: color var(--duration-fast) var(--easing-base), background-color var(--duration-fast) var(--easing-base), border-color var(--duration-fast) var(--easing-base), transform var(--duration-fast) var(--easing-base);
  }

  .c-modal__nav::before {
    width: 10px;
    height: 16px;
    background-color: currentcolor;
    clip-path: polygon(0 0, 2px 0, 10px 8px, 2px 16px, 0 16px, 8px 8px);
    content: "";
  }

  .c-modal__nav--previous::before {
    transform: scaleX(-1);
  }

  .c-modal__nav--next::before {
    transform: none;
  }

  .c-modal__position {
    margin-block-start: var(--space-12);
    color: var(--color-text-sub);
    font-family: var(--font-family-en);
    font-size: var(--font-size-small);
    text-align: center;
  }

  @media (hover: hover) and (pointer: fine) {
    .c-button--primary:hover {
      background-color: var(--color-text);
    }

    .c-button--outline:hover {
      color: var(--color-text-inverse);
      background-color: var(--color-primary);
    }

    .c-tabs__tab:hover {
      color: var(--color-text);
      background-color: var(--color-primary-light);
    }

    .c-modal__nav:hover,
    .c-modal__close:hover {
      border-color: var(--color-primary);
      color: var(--color-text-inverse);
      background-color: var(--color-primary);
      transform: scale(1.06);
    }
  }
}

@layer project {
  .p-site-header {
    border-block-end: 1px solid transparent;
    background-color: var(--color-bg);
    transition: border-color var(--duration-fast) var(--easing-base), box-shadow var(--duration-fast) var(--easing-base);
  }

  .p-site-header.is-scrolled {
    border-color: var(--color-border);
    box-shadow: var(--shadow-header);
  }

  .p-site-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-16);
  }

  .p-site-brand__logo-link,
  .p-site-brand__name {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--duration-fast) var(--easing-base), opacity var(--duration-fast) var(--easing-base);
  }

  .p-site-brand__logo-link {
    flex-shrink: 0;
  }

  .p-site-brand__logo {
    width: clamp(220px, 24vw, 320px);
    object-fit: contain;
  }

  .p-site-brand__name {
    padding-inline-start: var(--space-16);
    border-inline-start: 1px solid var(--color-border-strong);
    font-weight: 500;
    letter-spacing: 0.04em;
    white-space: nowrap;
  }

  .p-global-nav__list {
    display: flex;
    gap: clamp(20px, 3vw, 36px);
    align-items: center;
  }

  .p-global-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: var(--header-height);
    color: var(--color-text);
    font-size: var(--font-size-body);
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--duration-fast) var(--easing-base);
  }

  .p-global-nav__link::after {
    position: absolute;
    inset-block-end: 0;
    inset-inline: 0;
    height: 3px;
    background-color: var(--color-primary);
    content: "";
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--duration-fast) var(--easing-base);
  }

  .p-global-nav__link.is-active {
    color: var(--color-primary-dark);
    font-weight: 700;
  }

  .p-global-nav__link.is-active::after {
    transform: scaleX(1);
  }

  .p-global-nav__toggle {
    display: none;
  }

  .p-hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(1rem, 3vw, 1.75rem);
    background-color: var(--color-gray-100);
    background-image: url(../images/hero/bg.png);
    background-size: cover;
  }

  .p-hero__media {
    position: relative;
    display: grid;
    grid-template-columns: 20% 20% 60%;
    overflow: hidden;
    height: clamp(280px, 30vw, 420px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-gray-100);
    box-shadow: var(--shadow-hero);
  }

  .p-hero__media::before {
    position: absolute;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 3;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    content: "";
    pointer-events: none;
  }

  .p-hero__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  .p-hero__picture {
    position: relative;
    grid-column: 2 / 4;
    grid-row: 1;
    display: block;
    height: 100%;
  }

  .p-hero__content {
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0;
    z-index: 1;
    width: 40%;
    text-align: start;
  }

  .p-hero__content-inner {
    position: relative;
    display: grid;
    align-content: center;
    justify-items: start;
    width: 100%;
    height: 100%;
    padding: calc(clamp(28px, 4vw, 56px) + 12px) clamp(28px, 4vw, 56px) clamp(28px, 4vw, 56px);
    background: linear-gradient(
      90deg,
      rgb(255 255 255 / 100%) 0%,
      rgb(255 255 255 / 100%) 56%,
      rgb(250 247 251 / 96%) 68%,
      rgb(244 237 248 / 72%) 80%,
      rgb(244 237 248 / 36%) 91%,
      rgb(244 237 248 / 0%) 100%
    );
  }

  .p-hero__eyebrow {
    display: flex;
    gap: var(--space-12);
    align-items: center;
    max-width: 32rem;
    color: var(--color-primary);
    font-family: var(--font-family-en);
    font-size: var(--font-size-caption);
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.14em;
  }

  .p-hero__eyebrow::before {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    content: "";
  }

  .p-hero__title {
    margin-block-start: var(--space-16);
    font-size: clamp(1.375rem, 2.5vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.025em;
    text-shadow:
      0 1px 2px rgb(255 255 255 / 100%),
      0 2px 10px rgb(255 255 255 / 94%),
      0 0 20px rgb(255 255 255 / 88%);
    white-space: nowrap;
  }

  .p-hero__lead {
    max-width: 34rem;
    margin-block-start: var(--space-20);
    color: var(--color-text);
    font-size: clamp(0.875rem, calc(0.8rem + 0.15vw), 1rem);
    line-height: 1.75;
    text-shadow:
      0 1px 2px rgb(255 255 255 / 100%),
      0 1px 8px rgb(255 255 255 / 92%),
      0 0 16px rgb(255 255 255 / 82%);
  }

  .p-hero__title-break {
    display: block;
  }

  .p-section {
    padding-block: var(--space-section);
  }

  .p-section--subtle {
    background: var(--gradient-subtle-bg);
  }

  .p-section--subtle .c-block-heading {
    background-color: var(--color-bg);
  }

  .p-content-block {
    min-width: 0;
    margin-block-start: var(--space-block);
  }

  .c-section-heading__lead + .p-content-block {
    margin-block-start: clamp(32px, 4vw, 48px);
  }

  .p-comparison {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(20px, 4vw, 40px);
    margin-block-start: var(--space-32);
  }

  .p-comparison__label {
    display: grid;
    place-items: center;
    padding: var(--space-12) var(--space-16);
    border: 1px solid var(--color-border);
    border-block-end: 0;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    background-color: var(--color-gray-50);
    font-size: var(--font-size-body-lg);
    font-weight: 700;
    line-height: var(--line-height-heading);
    text-align: center;
  }

  .p-chart-nav {
    margin-block-start: var(--space-32);
  }

  .p-chart-nav__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-16);
    width: min(100%, 560px);
  }

  .p-chart-nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    justify-content: center;
    width: 100%;
    min-height: 56px;
    padding: var(--space-12) var(--space-24);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    background-color: transparent;
    font-size: var(--font-size-body-lg);
    font-weight: 700;
    text-decoration: none;
    transition: color var(--duration-base) var(--easing-base), background-color var(--duration-base) var(--easing-base), border-color var(--duration-base) var(--easing-base);
  }

  .p-chart-nav__link::after {
    width: 8px;
    height: 8px;
    margin-block-start: -4px;
    border-block-end: 2px solid currentcolor;
    border-inline-end: 2px solid currentcolor;
    content: "";
    transform: rotate(45deg);
  }

  .p-chart-list__item {
    min-width: 0;
    scroll-margin-block-start: var(--space-16);
  }

  .p-chart-list__label {
    width: 100%;
  }

  .c-scroll-hint {
    display: none;
  }

  .p-comparison__image {
    width: 100%;
    margin-block-start: 0;
    border: 1px solid var(--color-border);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    background-color: var(--color-bg);
  }

  .p-chart-list__scroller,
  .p-event-chart__scroller {
    width: 100%;
    max-width: 100%;
    margin-block-start: var(--space-20);
    overflow: hidden;
    border-radius: var(--radius-sm);
    background-color: var(--color-bg);
  }

  .p-chart-list__image,
  .p-event-chart__image {
    display: block;
    width: 100%;
    max-width: none;
    background-color: var(--color-bg);
  }

  .p-chart-list__source,
  .p-event-chart__source {
    display: block;
    margin-block-start: var(--space-8);
    color: var(--color-text-sub);
    font-size: var(--font-size-caption);
    line-height: 1.5;
    text-align: end;
  }

  .p-chart-list {
    display: grid;
    gap: var(--space-48);
    min-width: 0;
    margin-block-start: var(--space-32);
  }

  .p-event-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin-block-start: var(--space-24);
    border-block-start: 1px solid var(--color-border);
    font-size: var(--font-size-small);
  }

  .p-event-meta__item {
    display: grid;
    grid-template-columns: minmax(6rem, 7rem) minmax(0, 1fr);
    gap: var(--space-12);
    padding-block: var(--space-12);
    border-block-end: 1px solid var(--color-border);
  }

  .p-event-meta__term {
    color: var(--color-text-sub);
  }

  .p-event-meta__description {
    font-weight: 700;
  }

  .p-event-chart {
    min-width: 0;
    margin-block-start: var(--space-24);
  }

  .p-event-tabs {
    margin-block-start: var(--space-24);
    border: 0;
  }

  .p-event-tabs__list {
    position: sticky;
    inset-block-start: var(--header-height);
    z-index: calc(var(--z-header) - 1);
    grid-template-columns: repeat(8, minmax(64px, 1fr));
    gap: 0;
    overflow-x: auto;
    padding: 0;
    border-block-end: 0;
    background-color: var(--color-gray-50);
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .p-event-tabs__tab {
    min-height: 48px;
    border: 1px solid var(--color-border);
    border-inline-start: 0;
    border-radius: 0;
    color: var(--color-text-sub);
    background-color: var(--color-gray-100);
    white-space: nowrap;
  }

  .p-event-tabs__tab:first-child {
    border-inline-start: 1px solid var(--color-border);
  }

  .p-event-tabs__tab.is-active {
    position: relative;
    z-index: 1;
    margin-inline-start: -1px;
    border-color: var(--color-primary);
    border-inline-start-width: 1px;
    color: var(--color-text-inverse);
    background-color: var(--color-primary);
    box-shadow: 0 4px 12px var(--color-primary-transparent-strong);
  }

  .p-event-tabs__tab.is-active:first-child {
    margin-inline-start: 0;
  }

  .p-event-tabs__tab:not(.is-active):hover {
    color: var(--color-text);
    background-color: var(--color-gray-50);
  }

  .p-event-legend {
    width: 100%;
    margin-block-start: var(--space-16);
    overflow: hidden;
  }

  .p-event-legend__image {
    display: block;
    width: min(100%, 600px);
    height: auto;
  }

  .p-event-tabs__panel {
    padding: 8px 0 0;
  }

  .p-event-tabs .p-event-chart {
    margin-block-start: 0;
  }

  .p-event-chart__scroller {
    margin-block-start: 0;
  }

  .p-map-guide__action {
    margin-block-start: var(--space-24);
    padding: clamp(20px, 3vw, 32px);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    background-color: var(--color-gray-50);
    text-align: center;
  }

  .p-map-guide__note {
    margin-block-start: var(--space-8);
    color: var(--color-text-sub);
    font-size: var(--font-size-caption);
    line-height: 1.5;
    text-align: start;
  }

  .p-map-guide__button {
    width: min(100%, 440px);
    min-height: 56px;
    background-color: var(--color-primary);
    box-shadow: 0 10px 24px var(--color-primary-transparent-strong);
    font-size: var(--font-size-body);
  }

  .c-text + .c-tabs {
    margin-block-start: var(--space-20);
  }

  .p-camera-area__map {
    margin-block-start: var(--space-32);
  }

  .p-camera-area__heading {
    margin-block-start: var(--space-48);
  }

  .p-camera-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-24);
    margin-block-start: var(--space-24);
  }

  .p-camera-list__item {
    min-width: 0;
    padding: var(--space-16);
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
    background-color: var(--color-camera-card);
    box-shadow: 0 8px 24px rgb(51 51 51 / 12%);
  }

  .p-camera-list__name {
    font-size: var(--font-size-body-lg);
    line-height: 1.4;
    text-align: center;
  }

  .p-camera-list__image-button {
    position: relative;
    display: block;
    width: 100%;
    margin-block-start: var(--space-12);
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg);
    cursor: pointer;
  }

  .p-camera-list__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform var(--duration-base) var(--easing-base);
  }

  .p-camera-list__error {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: var(--space-16);
    color: var(--color-text-sub);
    background-color: var(--color-gray-100);
    font-size: var(--font-size-small);
  }

  .p-camera-list__error[hidden] {
    display: none;
  }

  .p-camera-list__zoom {
    --camera-zoom-translate-x: 0;
    --camera-zoom-translate-y: 0;
    --camera-zoom-scale: 1;

    position: absolute;
    inset-block-start: var(--space-12);
    inset-inline-end: var(--space-12);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--color-text-inverse);
    background-color: rgb(51 51 51 / 78%);
    box-shadow: 0 4px 12px rgb(0 0 0 / 20%);
    pointer-events: none;
    transform: translate(var(--camera-zoom-translate-x), var(--camera-zoom-translate-y)) scale(var(--camera-zoom-scale));
    transition: background-color var(--duration-fast) var(--easing-base), transform var(--duration-fast) var(--easing-base);
  }

  .p-camera-list__zoom-icon {
    position: absolute;
    inset-block-start: 50%;
    inset-inline-start: 50%;
    width: 28px;
    height: 28px;
    text-align: center;
    transform: translate(-50%, -50%);
  }

  .p-related-list {
    margin-block-start: clamp(40px, 6vw, 64px);
    border-block-start: 1px solid var(--color-border);
  }

  .p-related-list__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-32);
    align-items: center;
    padding-block: var(--space-32);
    border-block-end: 1px solid var(--color-border);
  }

  .p-related-list__title {
    font-size: var(--font-size-body-lg);
  }

  .p-related-list__link {
    min-width: 148px;
  }

  .p-site-footer {
    color: var(--color-text-inverse);
    background-color: var(--color-primary);
  }

  .p-footer-info {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-48);
    align-items: end;
  }

  .p-footer-info__title {
    color: var(--color-text-inverse);
    font-size: var(--font-size-heading-xs);
  }

  .p-footer-info__office {
    margin-block-start: var(--space-20);
    font-weight: 700;
  }

  .p-footer-info__details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8) var(--space-24);
    margin-block-start: var(--space-8);
    color: rgb(255 255 255 / 90%);
    font-size: var(--font-size-small);
  }

  .p-footer-info__detail {
    display: flex;
    gap: var(--space-8);
  }

  .p-footer-info__detail dt {
    color: rgb(255 255 255 / 82%);
  }

  .p-footer-info__detail dd {
    color: var(--color-text-inverse);
    font-weight: 600;
  }

  .p-footer-info__links {
    display: grid;
    grid-template-columns: repeat(2, minmax(190px, 1fr));
    gap: var(--space-12);
    width: min(100%, 600px);
    justify-self: end;
  }

  .p-footer-info__link {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-16);
    align-items: center;
    min-height: 88px;
    padding: var(--space-16) var(--space-20);
    border: 1px solid rgb(255 255 255 / 46%);
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
    background-color: rgb(255 255 255 / 10%);
    text-decoration: none;
    transition: color var(--duration-fast) var(--easing-base), background-color var(--duration-fast) var(--easing-base), border-color var(--duration-fast) var(--easing-base), box-shadow var(--duration-fast) var(--easing-base), transform var(--duration-fast) var(--easing-base);
  }

  .p-footer-info__link-body {
    display: grid;
    gap: var(--space-4);
  }

  .p-footer-info__link-label {
    font-family: var(--font-family-en);
    font-size: var(--font-size-caption);
    font-weight: 700;
    letter-spacing: 0.12em;
    opacity: 0.82;
  }

  .p-footer-info__link-title {
    font-weight: 700;
    line-height: 1.5;
  }

  .p-footer-info__copyright {
    margin-block-start: var(--space-40);
    padding-block-start: var(--space-16);
    border-block-start: 1px solid rgb(255 255 255 / 30%);
    color: rgb(255 255 255 / 82%);
    font-family: var(--font-family-en);
    font-size: var(--font-size-caption);
  }

  @media (hover: hover) and (pointer: fine) {
    .p-site-brand__logo-link:hover,
    .p-site-brand__name:hover {
      color: var(--color-primary-dark);
      opacity: 0.72;
    }

    .p-global-nav__link:hover {
      color: var(--color-primary-dark);
    }

    .p-global-nav__link:hover::after {
      transform: scaleX(1);
    }

    .p-global-nav__toggle:hover {
      border-color: var(--color-primary);
      background-color: var(--color-gray-50);
      box-shadow: 0 6px 18px rgb(17 17 17 / 12%);
    }

    .p-chart-nav__link:hover {
      border-color: var(--color-primary-dark);
      color: var(--color-text-inverse);
      background-color: var(--color-primary);
    }

    .p-map-guide__button:hover {
      background-color: var(--color-primary-hover);
    }

    .p-camera-list__image-button:hover .p-camera-list__image {
      transform: scale(1.02);
    }

    .p-camera-list__image-button:hover .p-camera-list__zoom {
      --camera-zoom-scale: 1.06;

      background-color: var(--color-primary);
    }

    .p-footer-info__link:hover {
      border-color: var(--color-text-inverse);
      color: var(--color-primary-dark);
      background-color: var(--color-bg);
      box-shadow: 0 10px 24px rgb(51 51 51 / 20%);
      transform: translateY(-2px);
    }
  }

  @media (900px < width <= 1100px) {
    .p-site-brand {
      gap: var(--space-12);
    }

    .p-site-brand__name {
      padding-inline-start: var(--space-12);
      font-size: var(--font-size-small);
    }

    .p-global-nav__list {
      gap: clamp(12px, 1.8vw, 20px);
    }
  }

  @media (width <= 940px) {
    .p-hero__lead-break {
      display: none;
    }

    .p-chart-list__item {
      scroll-margin-block-start: var(--space-32);
    }

    .p-site-brand {
      gap: var(--space-8);
      min-width: 0;
    }

    .p-site-brand__logo {
      width: clamp(112px, 24vw, 200px);
      flex-shrink: 0;
    }

    .p-site-brand__name {
      display: block;
      padding-inline-start: var(--space-8);
      font-size: clamp(0.625rem, 1.8vw, 0.8125rem);
      line-height: 1.35;
      letter-spacing: 0.01em;
    }

    .p-site-brand__name-break {
      display: block;
    }

    .p-global-nav__toggle {
      display: inline-grid;
      grid-template-columns: 20px auto;
      gap: 10px;
      align-items: center;
      min-height: 44px;
      padding: 8px 16px;
      border: 1px solid var(--color-border);
      border-radius: 999px;
      color: var(--color-text);
      background-color: var(--color-bg);
      font-size: var(--font-size-small);
      font-weight: 600;
      letter-spacing: 0.04em;
      cursor: pointer;
      transition: color var(--duration-fast) var(--easing-base), background-color var(--duration-fast) var(--easing-base), border-color var(--duration-fast) var(--easing-base), box-shadow var(--duration-fast) var(--easing-base);
    }

    .p-global-nav__toggle-lines,
    .p-global-nav__toggle-lines::before,
    .p-global-nav__toggle-lines::after {
      display: block;
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background-color: var(--color-primary);
      transition: transform var(--duration-fast) var(--easing-base), opacity var(--duration-fast) var(--easing-base);
    }

    .p-global-nav__toggle-lines {
      position: relative;
    }

    .p-global-nav__toggle-lines::before,
    .p-global-nav__toggle-lines::after {
      position: absolute;
      inset-inline-start: 0;
      content: "";
    }

    .p-global-nav__toggle-lines::before {
      inset-block-start: -6px;
    }

    .p-global-nav__toggle-lines::after {
      inset-block-start: 6px;
    }

    .p-global-nav__toggle[aria-expanded="true"] {
      border-color: var(--color-primary);
      color: var(--color-primary-hover);
      background-color: var(--color-gray-50);
      box-shadow: 0 4px 14px rgb(112 68 127 / 14%);
    }

    .p-global-nav__toggle[aria-expanded="true"] .p-global-nav__toggle-lines {
      background-color: transparent;
    }

    .p-global-nav__toggle[aria-expanded="true"] .p-global-nav__toggle-lines::before {
      transform: translateY(6px) rotate(45deg);
    }

    .p-global-nav__toggle[aria-expanded="true"] .p-global-nav__toggle-lines::after {
      transform: translateY(-6px) rotate(-45deg);
    }

    .p-global-nav {
      position: absolute;
      inset-block-start: 100%;
      inset-inline: 0;
      visibility: hidden;
      padding: var(--space-16) var(--container-padding) var(--space-24);
      border-block: 1px solid var(--color-border);
      background-color: var(--color-bg);
      box-shadow: 0 12px 28px rgb(17 17 17 / 10%);
      opacity: 0;
      pointer-events: none;
      transform: translateY(-8px);
      transition: visibility 0s linear var(--duration-fast), opacity var(--duration-fast) var(--easing-base), transform var(--duration-fast) var(--easing-base);
    }

    .p-global-nav.is-open {
      visibility: visible;
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
      transition-delay: 0s;
    }

    .p-global-nav__list {
      display: grid;
      gap: 0;
    }

    .p-global-nav__item {
      border-block-end: 1px solid var(--color-border);
    }

    .p-global-nav__link {
      display: flex;
      width: 100%;
      min-height: 52px;
      padding-inline: var(--space-12);
      font-size: var(--font-size-body);
    }

    .p-global-nav__link.is-active {
      color: var(--color-text);
      background-color: transparent;
      font-weight: 500;
    }

    .p-global-nav__link::after {
      display: none;
    }

    .p-footer-info {
      grid-template-columns: 1fr;
      gap: var(--space-32);
    }

    .p-footer-info__links {
      width: 100%;
      justify-self: start;
    }

  }

  @media (width <= 700px) {
    .p-site-brand__logo {
      width: clamp(140px, 24vw, 200px);
    }

    .p-hero {
      padding-block: 0;
    }

    .p-hero__inner {
      width: 100%;
      max-width: none;
      margin-inline: 0;
      padding-inline: 0;
    }

    .p-hero__media {
      grid-template-columns: 1fr;
      grid-template-rows: 176px auto;
      height: auto;
      border: none;
      border-radius: 0;
    }

    .p-hero__picture {
      position: absolute;
      inset: 0;
      grid-column: 1;
      grid-row: 1 / 3;
      height: 100%;
    }

    .p-hero__content {
      position: static;
      grid-column: 1;
      grid-row: 2;
      width: 100%;
    }

    .p-hero__content-inner {
      height: auto;
      padding: var(--space-24) var(--space-20);
      background: linear-gradient(
        180deg,
        rgb(255 255 255 / 48%) 0,
        rgb(255 255 255 / 70%) 16px,
        rgb(255 255 255 / 90%) 40px,
        rgb(255 255 255 / 95%) 68px,
        rgb(255 255 255 / 95%) 100%
      );
    }

    .p-hero__media::before {
      inset-block-start: auto;
      inset-block-end: 0;
      height: 2px;
    }

    .p-hero__content-inner::after {
      position: absolute;
      display: block;
      inset-block: auto 100%;
      inset-inline: 0;
      height: 56px;
      background: linear-gradient(0deg, rgb(255 255 255 / 48%), rgb(255 255 255 / 0%));
      content: "";
      pointer-events: none;
    }

    .p-hero__eyebrow {
      gap: 10px;
      font-size: 0.65rem;
      letter-spacing: 0.12em;
      text-shadow: 0 1px 5px rgb(255 255 255 / 92%);
    }

    .p-hero__eyebrow::before {
      width: 20px;
    }

    .p-hero__title {
      margin-block-start: var(--space-8);
      font-size: clamp(1.375rem, 6vw, 1.625rem);
      letter-spacing: 0;
      line-height: 1.3;
    }

    .p-hero__lead {
      margin-block-start: var(--space-8);
      font-size: 0.8125rem;
      line-height: 1.55;
    }

    .p-hero + .p-section {
      padding-block-start: clamp(36px, 10vw, 48px);
    }

    .c-section-heading {
      padding-inline-start: var(--space-20);
    }

    .c-section-heading__title {
      font-size: var(--font-size-heading-md);
    }

    .c-section-heading__lead {
      font-size: var(--font-size-body);
    }

    .p-camera-list__zoom {
      --camera-zoom-translate-x: -50%;
      --camera-zoom-translate-y: -50%;

      inset-block-start: 50%;
      inset-inline-end: auto;
      inset-inline-start: 50%;
    }

    .p-comparison {
      grid-template-columns: 1fr;
    }

    .p-chart-list__scroller,
    .p-event-chart__scroller {
      overflow-x: auto;
      overflow-y: hidden;
      overscroll-behavior-inline: contain;
      scrollbar-color: var(--color-primary) var(--color-gray-100);
      scrollbar-width: thin;
      -webkit-overflow-scrolling: touch;
    }

    .c-scroll-hint {
      display: block;
      margin-block-start: var(--space-12);
      color: var(--color-text-sub);
      font-size: var(--font-size-caption);
      line-height: 1.6;
    }

    .c-scroll-hint + .p-chart-list__scroller,
    .c-scroll-hint + .p-event-chart__scroller {
      margin-block-start: var(--space-8);
    }

    .p-chart-list__scroller::-webkit-scrollbar,
    .p-event-chart__scroller::-webkit-scrollbar {
      height: 8px;
    }

    .p-chart-list__scroller::-webkit-scrollbar-track,
    .p-event-chart__scroller::-webkit-scrollbar-track {
      background-color: var(--color-gray-100);
    }

    .p-chart-list__scroller::-webkit-scrollbar-thumb,
    .p-event-chart__scroller::-webkit-scrollbar-thumb {
      border-radius: 999px;
      background-color: var(--color-primary);
    }

    .p-chart-list__image,
    .p-event-chart__image {
      width: 900px;
    }

    .p-event-legend__image {
      width: 100%;
    }

    .c-tabs__panel {
      padding: var(--space-20);
    }

    .p-event-tabs__panel {
      padding: 6px 0 0 0;
    }

    .p-related-list__item {
      grid-template-columns: 1fr;
      gap: var(--space-20);
    }

    .p-related-list__link {
      width: fit-content;
      min-width: 140px;
      justify-self: start;
    }

    .p-footer-info__links {
      grid-template-columns: 1fr;
    }

    .c-modal__dialog {
      padding: var(--space-20);
    }

    .c-modal__media {
      grid-template-columns: 44px minmax(0, 1fr) 44px;
      gap: var(--space-8);
    }

    .c-modal__nav {
      width: 44px;
      height: 44px;
    }

    .c-modal__image {
      max-height: calc(100vh - 200px);
    }
  }

  @media (width <= 440px) {
    .p-global-nav__toggle-label {
      display: none;
    }

    .p-global-nav__toggle {
      grid-template-columns: 20px;
      min-width: 44px;
      min-height: 44px;
      padding-inline: 11px;
    }

    .p-camera-list {
      gap: var(--space-16) var(--space-12);
    }

    .p-camera-list__item {
      padding: var(--space-8);
    }

    .p-camera-list__name {
      font-size: var(--font-size-small);
    }

    .c-tabs__tab {
      padding-inline: var(--space-8);
      font-size: var(--font-size-small);
    }

    .c-modal__media {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: var(--space-16);
    }

    .c-modal__image {
      grid-column: 1 / -1;
      grid-row: 1;
    }

    .c-modal__nav--previous {
      grid-column: 1;
      grid-row: 2;
      justify-self: end;
    }

    .c-modal__nav--next {
      grid-column: 2;
      grid-row: 2;
      justify-self: start;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto;
      transition-duration: 0.01ms;
      animation-duration: 0.01ms;
      animation-iteration-count: 1;
    }
  }
}

@layer utility {
  .u-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }
}

/* Google Material Symbols is unlayered, so its component overrides must also be unlayered. */
.material-symbols-outlined.c-external-mark {
  display: inline-grid;
  font-size: 20px;
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 20;
}

.material-symbols-outlined.p-camera-list__zoom-icon {
  display: block;
  font-size: 28px;
  line-height: 28px;
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 28;
}