@charset "UTF-8";

/* =========================================================
   KOKETSU A.D.
   Navigation CSS Ver.1.1

   回遊型ページ共通レイアウト。

   読み込み順
   1. base.css
   2. navigation.css
   3. 各ページの style.css

   文字サイズ・太さ・行間・色などの共通デザインは
   base.cssで管理する。

   navigation.cssでは、
   回遊型ページの配置・構造・動作を管理する。
========================================================= */


/* =========================================================
   Navigation Header
========================================================= */

.navigation-header {
  position: relative;
  z-index: var(--z-header);
  width: 100%;
  background: rgba(243, 240, 234, 0.97);
  border-bottom: 1px solid rgba(31, 47, 49, 0.08);
}

.navigation-header__inner {
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  min-height: 82px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.navigation-header__logo {
  display: inline-block;
  flex: 0 0 auto;
  line-height: 1;
}

.navigation-header__logo img {
  display: block;
  width: 210px;
  height: auto;
}

.navigation-header__nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  margin-left: auto;
}

.navigation-header__nav a {
  position: relative;
  padding: 10px 0;
  white-space: nowrap;
}

.navigation-header__nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 1px;
  background: var(--color-dark);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--transition-fast);
}

.navigation-header__nav a:hover::after,
.navigation-header__nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left center;
}


/* =========================================================
   Header Actions
========================================================= */

.navigation-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.navigation-header__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--color-dark);
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.navigation-header__action:hover {
  color: var(--color-white);
  background: var(--color-dark);
}

.navigation-header__action--primary {
  color: var(--color-white);
  background: var(--color-dark);
}

.navigation-header__action--primary:hover {
  color: var(--color-dark);
  background: transparent;
}


/* =========================================================
   Mobile Navigation Toggle
========================================================= */

.navigation-header__toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  align-items: center;
  justify-content: center;
}

.navigation-header__toggle-lines {
  position: relative;
  display: block;
  width: 22px;
  height: 14px;
}

.navigation-header__toggle-lines::before,
.navigation-header__toggle-lines::after,
.navigation-header__toggle-lines span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-dark);
  transition:
    top var(--transition-fast),
    bottom var(--transition-fast),
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

.navigation-header__toggle-lines::before {
  top: 0;
}

.navigation-header__toggle-lines span {
  top: 50%;
  transform: translateY(-50%);
}

.navigation-header__toggle-lines::after {
  bottom: 0;
}

.navigation-header__toggle[aria-expanded="true"]
  .navigation-header__toggle-lines::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.navigation-header__toggle[aria-expanded="true"]
  .navigation-header__toggle-lines span {
  opacity: 0;
}

.navigation-header__toggle[aria-expanded="true"]
  .navigation-header__toggle-lines::after {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}


/* =========================================================
   Page Hero Layout

   文字設定はbase.cssで管理する。
========================================================= */

.page-hero {
  position: relative;
  min-height: 72vh;
  overflow: hidden;
  color: var(--color-white);
  background: var(--color-black);
}

.page-hero__image {
  position: absolute;
  inset: 0;
}

.page-hero__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.46) 0%,
      rgba(0, 0, 0, 0.26) 46%,
      rgba(0, 0, 0, 0.04) 100%
    );
}

.page-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  min-height: 72vh;
  margin-inline: auto;
  padding-block: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-hero__title {
  max-width: 900px;
}

.page-hero__lead {
  max-width: 680px;
}


/* =========================================================
   Simple Page Heading
========================================================= */

.page-heading {
  padding: 110px 0 76px;
  text-align: center;
}

.page-heading__inner {
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  margin-inline: auto;
}

.page-heading__text {
  max-width: 720px;
  margin-inline: auto;
}


/* =========================================================
   Breadcrumb
========================================================= */

.breadcrumb {
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  margin-inline: auto;
  padding: 20px 0;
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb__item:not(:last-child)::after {
  content: "/";
  color: var(--color-border-dark);
}

.breadcrumb a {
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}


/* =========================================================
   Intro
========================================================= */

.page-intro {
  padding: 88px 0;
  text-align: center;
}

.page-intro__inner {
  width: min(
    var(--content-width-narrow),
    calc(100% - (var(--side-space-pc) * 2))
  );
  margin-inline: auto;
}

.page-intro p + p {
  margin-top: 18px;
}


/* =========================================================
   Card Grid
========================================================= */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.card-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-grid--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}


/* =========================================================
   Card
========================================================= */

.card {
  min-width: 0;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-dark);
  box-shadow: var(--shadow-card);
}

.card > a {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-border);
}

.card__image--portrait {
  aspect-ratio: 3 / 4;
}

.card__image--wide {
  aspect-ratio: 16 / 9;
}

.card__image--square {
  aspect-ratio: 1 / 1;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.04);
}

.card__body {
  flex: 1;
  padding: 32px 28px 36px;
}

.card__text {
  margin-top: 16px;
}

.card__link {
  display: inline-block;
  margin-top: 26px;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
}


/* =========================================================
   Image Card
========================================================= */

.image-card {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  color: var(--color-white);
  background: var(--color-black);
}

.image-card__image {
  position: absolute;
  inset: 0;
}

.image-card__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.04) 28%,
      rgba(0, 0, 0, 0.68) 100%
    );
}

.image-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.image-card:hover .image-card__image img {
  transform: scale(1.04);
}

.image-card__body {
  position: relative;
  z-index: 1;
  min-height: 420px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.image-card__text {
  margin-top: 14px;
}


/* =========================================================
   Horizontal Card Scroll
========================================================= */

.card-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 18px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.card-scroll::-webkit-scrollbar {
  height: 5px;
}

.card-scroll::-webkit-scrollbar-thumb {
  background: var(--color-border-dark);
  border-radius: 999px;
}

.card-scroll > * {
  flex: 0 0 min(360px, 82vw);
  scroll-snap-align: start;
}


/* =========================================================
   Filter
========================================================= */

.filter {
  padding: 72px 0;
  background: var(--color-bg-white);
}

.filter__inner {
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  margin-inline: auto;
}

.filter__header {
  margin-bottom: 38px;
  text-align: center;
}

.filter__buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.filter__button {
  min-height: 42px;
  padding: 9px 18px;
  border: 1px solid var(--color-border-dark);
  background: transparent;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.filter__button:hover,
.filter__button.is-active,
.filter__button[aria-pressed="true"] {
  color: var(--color-white);
  border-color: var(--color-dark);
  background: var(--color-dark);
}

.filter__more {
  display: block;
  margin: 28px auto 0;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  color: var(--color-accent);
}


/* =========================================================
   List Header
========================================================= */

.list-header {
  margin-bottom: 48px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}


/* =========================================================
   Comparison Table
========================================================= */

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  background: var(--color-bg-white);
}

.comparison-table th,
.comparison-table td {
  padding: 20px 22px;
  border: 1px solid #ded7ce;
  text-align: left;
  vertical-align: top;
}

.comparison-table thead th {
  color: var(--color-white);
  background: var(--color-dark);
}

.comparison-table tbody th {
  width: 23%;
  background: var(--color-bg-muted);
}


/* =========================================================
   Accordion
========================================================= */

.accordion {
  border-top: 1px solid var(--color-border);
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__button {
  width: 100%;
  padding: 26px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  text-align: left;
}

.accordion__icon {
  position: relative;
  width: 18px;
  height: 18px;
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 1px;
  background: var(--color-dark);
  transform: translate(-50%, -50%);
  transition: transform var(--transition-fast);
}

.accordion__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.accordion__button[aria-expanded="true"]
  .accordion__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}

.accordion__panel.is-open {
  grid-template-rows: 1fr;
}

.accordion__panel-inner {
  overflow: hidden;
}

.accordion__answer {
  padding: 0 0 28px;
}


/* =========================================================
   Next Section
========================================================= */

.next-section {
  padding: var(--section-space-pc) 0;
  text-align: center;
  background: var(--color-bg-white);
}

.next-section__inner {
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  margin-inline: auto;
}

.next-section__lead {
  max-width: 720px;
  margin-inline: auto;
}

.next-links {
  margin-top: 52px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.next-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 230px;
  min-height: 56px;
  padding: 14px 28px;
  border: 1px solid var(--color-dark);
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.next-link:hover {
  color: var(--color-white);
  background: var(--color-dark);
}


/* =========================================================
   Navigation Footer
========================================================= */

.navigation-footer {
  padding: 100px 0 70px;
  background: var(--color-bg);
  border-top: 1px solid rgba(31, 47, 49, 0.08);
}

.navigation-footer__inner {
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  margin-inline: auto;
}

.navigation-footer__top {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.navigation-footer__logo img {
  width: 230px;
  height: auto;
}

.navigation-footer__message {
  max-width: 420px;
  margin-top: 28px;
}

.navigation-footer__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 40px;
}

.navigation-footer__links a {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.navigation-footer__links a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.navigation-footer__actions {
  margin-top: 56px;
  padding-top: 48px;
  display: flex;
  justify-content: center;
  gap: 16px;
  border-top: 1px solid var(--color-border);
}

.navigation-footer__bottom {
  margin-top: 58px;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid var(--color-border);
}

.navigation-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}


/* =========================================================
   Desktop Adjustment
========================================================= */

@media (max-width: 1050px) {
  .navigation-header__nav {
    gap: 18px;
  }

  .navigation-header__actions {
    display: none;
  }

  .card-grid--four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 900px) {
  .navigation-header__inner {
    min-height: 72px;
  }

  .navigation-header__nav {
    display: none;
  }

  .navigation-header__toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .navigation-header.is-open .navigation-header__nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px 28px 28px;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }

  .navigation-header.is-open .navigation-header__nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .navigation-header.is-open
    .navigation-header__nav a::after {
    display: none;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .navigation-footer__top {
    grid-template-columns: 1fr;
    gap: 52px;
  }
}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 768px) {
  .navigation-header__inner {
    width: calc(100% - 40px);
    min-height: 66px;
  }

  .navigation-header__logo img {
    width: 165px;
  }


  /* Hero */

  .page-hero {
    min-height: 0;
    height: 58vh;
  }

  .page-hero__image::after {
    background:
      linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.42) 0%,
        rgba(0, 0, 0, 0.2) 58%,
        rgba(0, 0, 0, 0.03) 100%
      );
  }

  .page-hero__content {
    width: calc(100% - 40px);
    min-height: 0;
    height: 58vh;
    padding: 0 0 50px;
    justify-content: flex-end;
  }


  /* Page Heading */

  .page-heading {
    padding: 84px 0 58px;
  }

  .page-heading__inner,
  .breadcrumb,
  .filter__inner,
  .next-section__inner,
  .navigation-footer__inner {
    width: calc(100% - 32px);
  }


  /* Intro */

  .page-intro {
    padding: 68px 0;
  }

  .page-intro__inner {
    width: calc(100% - 40px);
  }


  /* Cards */

  .card-grid,
  .card-grid--two,
  .card-grid--four {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card-grid--swipe {
    display: flex;
    gap: 18px;
    overflow-x: auto;
    margin-inline: -16px;
    padding: 0 16px 20px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .card-grid--swipe > .card {
    flex: 0 0 82%;
    scroll-snap-align: center;
  }

  .card:hover {
    transform: none;
    box-shadow: none;
  }

  .card__body {
    padding: 28px 23px 32px;
  }


  /* Image Card */

  .image-card,
  .image-card__body {
    min-height: 360px;
  }

  .image-card__body {
    padding: 26px;
  }


  /* Filter */

  .filter {
    padding: 60px 0;
  }

  .filter__buttons {
    justify-content: flex-start;
  }

  .filter__button {
    padding-inline: 14px;
  }


  /* List */

  .list-header {
    margin-bottom: 34px;
    display: block;
  }

  .list-header__count {
    margin-top: 8px;
  }


  /* Table */

  .comparison-table {
    min-width: 820px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 16px 18px;
  }


  /* Accordion */

  .accordion__button {
    padding: 22px 0;
    gap: 18px;
  }


  /* Next */

  .next-section {
    padding: var(--section-space-sp) 0;
  }

  .next-links {
    margin-top: 40px;
    flex-direction: column;
    align-items: center;
  }

  .next-link {
    width: 100%;
    max-width: 340px;
  }


  /* Footer */

  .navigation-footer {
    padding: 76px 0 54px;
  }

  .navigation-footer__logo img {
    width: 205px;
  }

  .navigation-footer__links {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .navigation-footer__links a {
    padding: 14px 0;
  }

  .navigation-footer__actions {
    margin-top: 42px;
    padding-top: 36px;
    flex-direction: column;
    align-items: center;
  }

  .navigation-footer__bottom {
    margin-top: 44px;
    display: block;
    text-align: center;
  }

  .navigation-footer__legal {
    margin-bottom: 18px;
    justify-content: center;
  }
}


/* =========================================================
   Reduced Motion
========================================================= */

@media (prefers-reduced-motion: reduce) {
  .card,
  .card__image img,
  .image-card__image img,
  .navigation-header__nav a::after,
  .accordion__panel {
    transition: none;
  }

  .card:hover,
  .card:hover .card__image img,
  .image-card:hover .image-card__image img {
    transform: none;
  }
}