/* ============================================
   CSS変数定義
   ============================================ */
:root {
  --color-white: #ffffff;
  --color-main: #167db9;
  --color-base: #f7f7f7;
  --color-font: #5e5e5e;
  --color-bg: #D9D9D9;
  --color-muted: #d4d4d4;
  --color-base-b: #f1faff;
  --color-blue: #a6d7f3;
  --color-red: #ec2424;
  --color-red-gradient: linear-gradient(to bottom, #ec2424, #960909);
  --color-gold-gradient: linear-gradient(to bottom, #dea83c, #af7e1d);
  --color-gold: #dea83c;
}

/* ============================================
   リセット・ベーススタイル
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  min-width: 375px;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Serif JP", "Playfair Display", serif;
  color: var(--color-font);
  background-color: var(--color-base);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
}

main {
  flex: 1;
}

/* ============================================
   ヘッダー
   ============================================ */
.site-header {
  width: 100%;
  background-color: var(--color-white);
  padding: 15px 50px;
  position: relative;
  z-index: 1000;
  transition: transform 0.3s ease;
}

.site-header-placeholder {
  display: none;
  width: 100%;
}

/* 固定表示時のスタイル */
.site-header.is-sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

/* ============================================
   ナビゲーション
   ============================================ */
/* ナビゲーションコンテナ */
.site-nav {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}

/* ロゴ */
.site-logo {
  margin: 0;
}

.site-logo__link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo__image {
  display: block;
  width: 158px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  object-position: left center;
}

/* ナビゲーションコンテンツ */
.site-nav__content {
  display: flex;
  align-items: center;
  gap: 50px;
}

/* ナビゲーションリンク */
.nav-links {
  display: flex;
  align-items: stretch;
  gap: 30px;
  font-weight: 700;
  font-size: 18px;
}

.nav-link {
  color: var(--color-font);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-main);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-main);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  width: 100%;
}

.nav-link__sub {
  font-family: "Playfair Display", serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-main);
}

.nav-divider {
  width: 1px;
  border: none;
  background-color: var(--color-muted);
  margin: 0;
  align-self: stretch;
}

/* CTAボタン */
.cta-button {
  padding: 15px 35px;
  width: 220px;
  height: 60px;
  border-top-left-radius: 25px;
  border-bottom-right-radius: 25px;
  background-color: var(--color-main);
  color: var(--color-base);
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.cta-button:hover,
.cta-button:focus-visible {
  background-color: var(--color-white);
  color: var(--color-main);
  border: solid 1px var(--color-main);
}

/* アコーディオンメニュー（モバイル用） */
.nav-accordion {
  display: none;
  width: 100%;
}

.nav-accordion__content {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.nav-accordion__item {
  border-bottom: 1px solid var(--color-muted);
  padding-bottom: 15px;
}

.nav-accordion__toggle {
  width: 100%;
  border: none;
  background: none;
  color: var(--color-font);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.nav-accordion__link {
  width: 100%;
  text-decoration: none;
  color: var(--color-font);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  position: relative;
}

.nav-accordion__link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-main);
  transition: width 0.3s ease;
}

.nav-accordion__link:hover,
.nav-accordion__link:focus-visible {
  color: var(--color-main);
}

.nav-accordion__link:hover::after,
.nav-accordion__link:focus-visible::after {
  width: 100%;
}

.nav-accordion__icon {
  width: 16px;
  height: 16px;
  position: relative;
}

.nav-accordion__icon::before {
  content: "";
  position: absolute;
  inset: 50% auto auto 0;
  width: 9px;
  height: 18px;
  clip-path: polygon(100% 50%, 20% 100%, 0% 100%, 80% 50%, 0% 0%, 20% 0%);
  background-color: var(--color-main);
  transform: translateY(-50%) rotate(90deg);
}

.nav-accordion__toggle[aria-expanded="true"] .nav-accordion__icon::before {
  transform: translateY(-50%) rotate(-90deg);
}

.nav-accordion__icon-text {
  color: var(--color-font);
  font-weight: bold;
  font-size: 18px;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 10px;
  font-family: "Noto Serif JP";
}

.nav-accordion__icon-text-sub {
  color: var(--color-main);
  font-family: "Playfair Display";
  font-size: 12px;
}

.nav-accordion__panel {
  padding: 5px 0 0 20px;
  display: grid;
  gap: 40px;
}

.nav-accordion__panel[hidden] {
  display: none;
  padding: 0;
}

.nav-accordion__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  line-height: 2.1;
}

.nav-accordion__list a,
.nav-accordion__list span {
  color: var(--color-font);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  display: inline-block;
}

.nav-accordion__list a::after,
.nav-accordion__list span::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-main);
  transition: width 0.3s ease;
}

.nav-accordion__list a:hover,
.nav-accordion__list a:focus-visible,
.nav-accordion__list span:hover,
.nav-accordion__list span:focus-visible {
  color: var(--color-main);
}

.nav-accordion__list a:hover::after,
.nav-accordion__list a:focus-visible::after,
.nav-accordion__list span:hover::after,
.nav-accordion__list span:focus-visible::after {
  width: 100%;
}

.nav-accordion__note {
  margin: 0;
  font-size: 14px;
  text-align: left;
}

.nav-accordion__note a {
  color: var(--color-font);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  display: inline-block;
}

.nav-accordion__note a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-main);
  transition: width 0.3s ease;
}

.nav-accordion__note a:hover,
.nav-accordion__note a:focus-visible {
  color: var(--color-main);
}

.nav-accordion__note a:hover::after,
.nav-accordion__note a:focus-visible::after {
  width: 100%;
}

/* モバイルコントロール（ハンバーガーメニュー） */
.site-nav__mobile-controls {
  display: none;
  align-items: center;
  gap: 20px;
}

.site-nav__mobile-email,
.site-nav__mobile-button {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--color-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-main);
  background-color: var(--color-white);
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.site-nav__mobile-email {
  color: var(--color-white);
  background-color: var(--color-main);
}

.site-nav__mobile-email svg {
  display: block;
}

.site-nav__mobile-button {
  flex-direction: column;
  gap: 6px;
  position: relative;
  border-style: none;
}

.site-nav__mobile-line {
  width: 28px;
  height: 2px;
  background-color: currentColor;
  border-radius: 999px;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
  position: relative;
}

/* メニューが開いている時のスタイル */

/* ハンバーガーアイコンを×印に変形するアニメーション */
.site-nav__mobile-button[aria-expanded="true"]
  .site-nav__mobile-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.site-nav__mobile-button[aria-expanded="true"]
  .site-nav__mobile-line:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* ============================================
   共通スタイル
   ============================================ */
.shell {
  margin: 0 auto;
  max-width: 1920px;
  width: 100%;
}

.section {
  padding: 80px 0;
}

.section-label {
  font-size: 38px;
  font-family: "Playfair Display";
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-main);
}

.label-sub {
  color: var(--color-font);
  font-size: 14px;
  font-weight: bold;
  font-family: "Noto Serif JP", "Playfair Display", serif;
}

.label-separator {
  display: block;
  clip-path: polygon(70% 0%, 90% 0%, 30% 100%, 10% 100%);
  background-color: var(--color-main);
  width: 16px;
  height: 23px;
}

.section-heading {
  max-width: 640px;
}

/* ============================================
   ヒーローセクション
   ============================================ */
.section--hero {
  padding: 110px 0 160px;
  font-size: 88px;
  color: var(--color-main);
  background: var(--color-base) url(../images/top-fv-bg.svg) center/cover
    no-repeat;
}

.hero {
  width: 100%;
  max-width: 1440px;
  padding: 0 220px;
}

.hero__title {
  font-size: 88px;
  color: var(--color-main);
  line-height: 1.2;
  margin: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero__title-sub {
  font-size: 58px;
}

.hero__title-highlight {
  font-size: 74px;
}

.hero__lead {
  font-size: 50px;
  font-weight: bold;
  line-height: 1.8;
  margin: 0 0 80px;
  color: var(--color-font);
}

.btn--hero {
  width: 320px;
  height: 70px;
  padding: 20px 50px;
  background: var(--color-gold-gradient);
  color: var(--color-white);
  border: 3px var(--color-white) solid;
  box-shadow: 0 4px 6px 0 rgba(0, 0, 0, 0.25);
  border-top-left-radius: 25px;
  border-bottom-right-radius: 25px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  position: relative;
  font-size: 20px;
  flex-wrap: nowrap;
  gap: 10px;
  font-weight: bold;
  text-decoration: none;
  transition: 0.2s ease;
}

.btn--hero::after {
  content: "";
  position: absolute;
  right: 20px;
  width: 6px;
  height: 12px;
  background-color: var(--color-white);
  clip-path: polygon(100% 50%, 35% 100%, 0% 100%, 65% 50%, 0% 0%, 35% 0%);
}

.btn--hero:hover {
  background: var(--color-white);
  color: var(--color-gold);
  border: 3px var(--color-gold) solid;
}

.btn--hero:hover::after {
  background-color: var(--color-gold);
}

/* ============================================
   コンセプトセクション
   ============================================ */
.section--concept {
  background-color: var(--color-main);
}

.concept {
  max-width: 1000px;
  height: 380px;
  border-top-left-radius: 80px;
  border-bottom-right-radius: 80px;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  position: relative;
  bottom: 80px;
  background-color: var(--color-white);
  box-shadow: 0 0 10px 3px rgba(0, 0, 0, 0.15);
}

.concept-content {
  margin: 50px 40px 50px 60px;
}

.concept-label {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 64px;
  line-height: 64px;
}

.concept-title {
  font-size: 30px;
  font-weight: bold;
  margin: 10px auto 15px;
}

.concept-lead {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.concept__image {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ============================================
   サービスセクション
   ============================================ */
.section--service {
  background-color: var(--color-white);
}

.service {
  max-width: 1000px;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 30px;
  background-color: var(--color-white);
}

.service-label {
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  align-items: center;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.service-card {
  display: flex;
  flex-direction: column;
}

/* 奇数・偶数で背景色を変更 */
.service-card:nth-child(odd) .service-card__content {
  background-color: var(--color-base-b);
}

.service-card:nth-child(even) .service-card__content {
  background-color: var(--color-base);
}

.service-card__icon {
  width: 286px;
  height: 180px;
  border-top-left-radius: 40px;
  border-bottom-right-radius: 40px;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 20;
  box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.15);
}

.service-card__content {
  padding: 150px 20px 20px;
  position: relative;
  margin: -130px 0 0 30px;
  z-index: 10;
  border-top-left-radius: 20px;
  border-bottom-right-radius: 20px;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: space-between;
}

.service-card__title {
  margin: 0;
  font-size: 22px;
  color: var(--color-font);
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}

.service-card__body {
  margin: 0;
  line-height: 1.6;
  color: var(--color-font);
  font-size: 16px;
  font-weight: 600;
  overflow: visible;
}

/* サービスカードアイコン画像の個別サイズ（PCのみ） */
@media (min-width: 1081px) {
  .service-card:nth-child(1) .service-card__icon-image {
    width: 96px;
    height: 88px;
  }

  .service-card:nth-child(2) .service-card__icon-image {
    width: 119px;
    height: 92px;
  }

  .service-card:nth-child(3) .service-card__icon-image {
    width: 87px;
    height: 97px;
  }

  .service-card:nth-child(4) .service-card__icon-image {
    width: 98px;
    height: 92px;
  }

  .service-card:nth-child(5) .service-card__icon-image {
    width: 121px;
    height: 79px;
  }

  .service-card:nth-child(6) .service-card__icon-image {
    width: 88px;
    height: 100px;
  }
}

/* カードリンク（共通コンポーネント） */
.card-link {
  text-decoration: none;
  color: var(--color-font);
  font-weight: 600;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.card-link__icon {
  width: 42px;
  height: 42px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-radius: 9999px;
  border: solid 1px var(--color-font);
  transition: 0.2s ease;
}

.card-link__icon::after {
  content: "";
  clip-path: polygon(7.25% 0%, 93.85% 50%, 7.25% 100%);
  background-color: var(--color-font);
  width: 10px;
  height: 10px;
}

.card-link:hover .card-link__icon {
  background-color: var(--color-font);
}

.card-link:hover .card-link__icon::after {
  background-color: var(--color-white);
}

/* ============================================
   実績セクション
   ============================================ */
.section--works {
  background-image: url(../images/works-bg.svg);
  background-size: cover;
  background-color: var(--color-base);
}

.works {
  max-width: 1000px;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 30px;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

/* スワイパー（モバイル表示用） */
.works-swiper {
  display: none !important;
  width: 100%;
  padding-bottom: 60px;
}

@media (max-width: 1080px) {
  .works-grid {
    display: none;
  }

  .works-swiper {
    display: block !important;
  }
}

.works-swiper .swiper-slide {
  width: 295px;
  height: auto;
}

.works-swiper .swiper-wrapper {
  display: flex;
  align-items: stretch;
}

.works-swiper .swiper-button-next,
.works-swiper .swiper-button-prev {
  color: var(--color-white);
  width: 42px;
  height: 42px;
  background-color: var(--color-main);
  border-radius: 999px;
  top: 20%;
}

.works-swiper .swiper-button-next::after,
.works-swiper .swiper-button-prev::after {
  width: 10px;
  height: 10px;
  background-color: var(--color-white);
  clip-path: polygon(7.25% 0%, 93.85% 50%, 7.25% 100%);
}

.works-swiper .swiper-button-prev::after {
  transform: rotate(180deg);
}

.works-swiper .swiper-pagination {
  bottom: 40px !important;
  position: relative;
  bottom: auto;
  margin-top: 20px;
}

.works-swiper .swiper-pagination-bullet {
  background-color: var(--color-main);
  opacity: 0.3;
  width: 10px;
  height: 10px;
}

.works-swiper .swiper-pagination-bullet-active {
  opacity: 1;
}

/* 実績カード */
.works-card {
  background-color: var(--color-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 0px 10px rgba(0, 0, 0, 0.15);
}

.works-card__media {
  position: relative;
  overflow: hidden;
  min-height: 180px;
  background-color: var(--color-bg);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
}

.works-thumbnail {
  inset: 0;
  width: 100%;
  max-width: 100%;
  /* height: 100%; */
  object-fit: cover;
  display: block;
  aspect-ratio: 16 / 9;
}

.works-image__badge {
  position: absolute;
  z-index: 1;
  left: 10px;
  bottom: 10px;
  padding: 5px 15px;
  border-radius: 999px;
  background-color: var(--color-white);
  color: var(--color-main);
  font-size: 13px;
  font-weight: bold;
  border: solid 1px var(--color-main);
}

.works-card__content {
  padding: 20px;
}

.works-card__title {
  font-size: 20px;
  font-weight: bold;
  color: var(--color-main);
}

.works-card__info {
  list-style: none;
  padding: 0;
  margin: 5px 0 12px;
  display: grid;
  gap: 8px;
}

.works-card__info-item {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.works-card__info-label {
  min-width: 48px;
  font-weight: bold;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 14px;
  background-color: var(--color-base);
}

.works-card__info-value {
  color: #bdbdbd;
  font-size: 13px;
  font-weight: 600;
  font-family: "Noto Sans JP", sans-serif;
}

.works-card__info-item--result .works-card__info-label {
  background-color: var(--color-main);
  color: var(--color-white);
}

.works-card__info-item--result .works-card__info-value {
  color: var(--color-main);
  font-weight: 600;
  font-family: "Noto Sans JP", sans-serif;
}

.works-card__note {
  background-color: var(--color-base-b);
  padding: 10px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  justify-items: center;
  align-items: flex-start;
  color: var(--color-font);
}

.works-card__note-label {
  font-weight: bold;
  font-size: 14px;
  line-height: 1.5;
}

.works-card__note-value {
  font-size: 13px;
  font-weight: 600;
  font-family: "Noto Sans JP", sans-serif;
}

.works .card-link {
  margin-left: auto;
  font-size: 20px;
  font-weight: bold;
  gap: 15px;
}

.works .card-link__icon {
  width: 60px;
  height: 60px;
}

.works .card-link__icon::after {
  width: 15px;
  height: 15px;
}

/* ============================================
   コラムセクション
   ============================================ */
.section--column {
  background-color: var(--color-white);
}

.column {
  max-width: 1000px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
}

.column .section-heading {
  display: flex;
  gap: 10px;
  flex-direction: column;
}

.column-label {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 64px;
  line-height: 64px;
  width: 100%;
}

.column .card-link {
  margin-right: auto;
  font-size: 20px;
  font-weight: bold;
  gap: 15px;
  justify-content: flex-start;
}

.column .card-link__icon {
  width: 60px;
  height: 60px;
}

.column .card-link__icon::after {
  width: 15px;
  height: 15px;
}

.column-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.column-card {
  min-height: 140px;
  display: grid;
  grid-template-columns: auto 1fr;
}

.column-card__media {
  position: relative;
  overflow: hidden;
  width: 140px;
  height: 140px;
  background-color: var(--color-bg);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  border-top-left-radius: 20px;
  border-bottom-right-radius: 20px;
  z-index: 20;
}

.column-thumbnail {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 1 / 1;
}

.column-card__content {
  padding: 15px 10px 15px 130px;
  background-color: var(--color-white);
  border: solid 1px var(--color-main);
  margin-top: 20px;
  margin-left: -120px;
}

.column-image__badge {
  padding: 5px 15px;
  border-radius: 999px;
  background-color: var(--color-white);
  color: var(--color-main);
  border: solid 1px var(--color-main);
  width: fit-content;
  font-size: 13px;
  font-weight: bold;
}

.column-card__title {
  margin: 5px 0;
  font-size: 16px;
  color: var(--color-dark);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.5;
}

.column-card__date {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 5px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 2;
}

/* ============================================
   フッター
   ============================================ */
.footer {
  background-color: var(--color-base-b);
}

/* CTAバナー */
.cta-banner {
  background-image: url(../images/footer-bg.svg);
  background-color: var(--color-main);
  background-size: cover;
  padding: 80px 0;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 50px;
  color: var(--color-white);
}

.cta-banner__content {
  display: grid;
  justify-items: center;
  align-items: center;
  gap: 10px;
}

.cta-banner__label {
  font-size: 38px;
  font-family: "Noto Serif JP";
  font-weight: bold;
}

.cta-banner__separator {
  display: inline;
}

.cta-banner__break {
  display: none;
}

.cta-banner__title {
  font-size: 20px;
  font-weight: bold;
}

.cta-banner__actions {
  display: flex;
  flex-direction: column;
  position: relative;
}

.cta-banner__actions .btn--hero {
  border: none;
}

.cta-banner__badge-container {
  position: relative;
}

.cta-banner__badge {
  position: absolute;
  display: inline-flex;
  align-items: flex-end;
  line-height: 1;
  vertical-align: bottom;
  justify-content: center;
  padding: 5px 45px;
  border-radius: 999px;
  background-color: var(--color-white);
  color: var(--color-main);
  font-weight: bold;
  font-size: 16px;
  border: solid 2px var(--color-main);
  z-index: 10;
  left: 50%;
  top: -20px;
  transform: translateX(-50%);
  white-space: nowrap;
  width: fit-content;
  cursor: none;
  pointer-events: none;
}

.cta-banner__badge::before {
  content: "";
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translate(-50%, 0);
  width: 22px;
  height: 22px;
  background-color: var(--color-main);
  clip-path: polygon(50% 40%, 25% 0, 75% 0);
  z-index: -1;
}

.cta-banner__badge::after {
  content: "";
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translate(-50%, -2px);
  transform-origin: bottom center;
  width: 22px;
  height: 22px;
  background-color: var(--color-white);
  clip-path: polygon(50% 40%, 25% 0, 75% 0);
  z-index: 11;
}

.cta-banner__badge-highlight {
  background: var(--color-red-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 22px;
}

/* フッターコンテンツ */
.footer__container {
  padding: 50px 0 40px;
}

.footer__content {
  max-width: 1000px;
  height: 190px;
  margin: auto;
  display: grid;
  grid-template-columns: auto auto;
  justify-content: space-between;
}

.footer__left {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.footer__logo {
  width: 220px;
  height: 60px;
  object-fit: contain;
}

.footer__copyright-text {
  font-size: 14px;
  line-height: 2;
}

.footer__copyright-title {
  font-size: 18px;
  font-weight: bold;
}

.footer__right {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  row-gap: 20px;
  column-gap: 40px;
  align-content: flex-start;
  height: fit-content;
  max-height: 190px;
}

.footer__right-item {
  display: flex;
  flex-direction: column;
  padding-left: 20px;
  border-left: 1px solid var(--color-main);
  min-width: 200px;
  font-weight: bold;
  line-height: 1.8;
}

.footer__right-item--last {
  border-left: none;
  padding-left: 0;
  margin-top: auto;
}

.footer__right-label {
  font-size: 18px;
  color: var(--color-main);
}

.footer__link {
  font-size: 14px;
  text-decoration: none;
  color: var(--color-font);
  position: relative;
  display: inline-block;
}

.footer__link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-main);
  transition: width 0.3s ease;
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--color-main);
}

.footer__link:hover::after,
.footer__link:focus-visible::after {
  width: 100%;
}

.footer__copyright {
  display: flex;
  justify-content: center;
  padding-bottom: 20px;
}

/* ============================================
   パンくずリスト（横スクロール対応）
   ============================================ */
.breadcrumb {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-main) var(--color-base);
  /* 常にスクロールバーを表示 */
  scrollbar-gutter: stable;
}

.breadcrumb::-webkit-scrollbar {
  height: 6px;
  display: block;
  /* 常にスクロールバーを表示 */
  -webkit-appearance: none;
}

.breadcrumb::-webkit-scrollbar-track {
  background: var(--color-base);
}

.breadcrumb::-webkit-scrollbar-thumb {
  background-color: var(--color-main);
  border-radius: 3px;
}

.breadcrumb::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-font);
}

/* ============================================
   メディアクエリ（モバイル対応）
   ============================================ */
/* スマホ最小幅375px対応 */
@media (max-width: 375px) {
  body {
    min-width: 375px;
  }

  .site-header {
    padding: 10px 15px;
  }

  .section--hero {
    padding: 60px 15px 120px;
    background-image: url(../images/top-fv-sp-bg.svg);
  }

  .hero__title {
    font-size: 36px;
    word-break: keep-all;
    overflow-wrap: break-word;
  }

  .hero__title-sub {
    font-size: 24px;
  }

  .hero__title-highlight {
    font-size: 30px;
  }

  .hero__lead {
    font-size: 20px;
  }

  .btn--hero {
    width: 260px;
    font-size: 14px;
  }

  .concept-content {
    padding: 15px;
  }

  .service-grid {
    padding: 0 15px;
  }

  .column-grid {
    padding: 0 15px;
  }

  .cta-banner {
    background-image: url(../images/footer-sp-bg.svg);
  }

  .cta-banner__content {
    padding: 0 15px;
  }
}

@media (max-width: 1080px) {
  /* セクション共通 */
  .section {
    padding: 50px 0;
  }

  /* ヘッダー */
  .site-header {
    padding: 10px 20px;
  }

  .site-header.is-sticky {
    padding: 10px 20px;
  }

  .site-logo__image {
    width: 123px;
  }

  /* ナビゲーション */
  .site-nav {
    flex-wrap: wrap;
    gap: 0;
  }

  .site-nav__content {
    order: 3;
    width: 100%;
    display: none;
    flex-direction: column;
    gap: 20px;
    padding-top: 20px;
  }

  .site-nav__content.is-open {
    display: block;
    padding: 40px;
  }

  .site-nav__mobile-controls {
    display: inline-flex;
    margin-left: auto;
  }

  .nav-links {
    display: none;
  }

  .nav-accordion {
    display: flex;
    flex-direction: column;
    gap: 40px;
  }

  .nav-divider {
    display: none;
  }

  .site-nav__content .cta-button {
    display: none;
  }

  /* ヒーローセクション */
  .section--hero {
    padding: 80px 30px 160px;
  }

  .hero {
    padding: 0;
    width: fit-content;
  }

  .hero__title {
    font-size: 44px;
    word-break: keep-all;
    overflow-wrap: break-word;
  }

  .hero__title-sub {
    font-size: 30px;
  }

  .hero__title-highlight {
    font-size: 38px;
  }

  .hero__lead {
    font-size: 25px;
    margin-bottom: 60px;
  }

  .btn--hero {
    width: 280px;
    height: 60px;
    font-size: 16px;
    padding: 10px 0;
    justify-content: center;
  }

  /* コンセプトセクション */
  .section--concept {
    padding: 0 20px;
  }

  .concept {
    grid-template-columns: 1fr;
    height: fit-content;
    bottom: 110px;
  }

  .concept-content {
    margin: 0;
    padding: 20px 20px 40px 20px;
  }

  .concept picture {
    order: -1;
  }

  .concept__image {
    height: 180px;
  }

  .concept-label {
    font-size: 28px;
    line-height: 1;
    height: 45px;
  }

  .concept-title {
    font-size: 26px;
    margin: 10px 0;
  }

  .concept-lead {
    font-size: 16px;
  }

  .label-sub {
    font-size: 12px;
    font-weight: bold;
  }

  /* サービスセクション */
  .service-card {
    align-items: center;
  }

  .service-grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
  }

  .service-card__icon {
    height: 116px;
    width: 184px;
    padding: 30px 60px;
  }

  .service-card__icon-image {
    min-height: 60px;
    min-width: 60px;
    width: fit-content;
    height: fit-content;
  }

  .service-card__content {
    margin: -60px 0 0 0;
    padding-top: 80px;
    width: 100%;
  }

  .card-link {
    font-size: 16px;
    font-weight: bold;
  }

  /* 実績セクション */
  .section--works {
    background-image: url(../images/works-sp-bg.svg);
    background-repeat: no-repeat;
    background-position-y: -3rem;
    background-size: contain;
  }

  .works .card-link {
    padding-right: 20px;
  }

  .works .card-link__icon {
    width: 36px;
    height: 36px;
  }

  .works .card-link__icon::after {
    width: 10px;
    height: 10px;
  }

  .cta-button {
    width: 100%;
  }

  /* フッター */
  .cta-banner {
    align-items: flex-start;
    padding: 50px 0;
  }

  .cta-banner__content {
    padding: 0 30px;
  }

  .cta-banner__label {
    text-align: center;
    font-size: 26px;
  }

  .cta-banner__title {
    text-align: center;
    line-height: 1.6;
    font-size: 16px;
  }

  .cta-banner__separator {
    display: none;
  }

  .cta-banner__break {
    display: block;
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: 40px;
    height: auto;
  }

  .footer__right {
    flex-wrap: nowrap;
    height: auto;
    max-height: none;
    row-gap: 20px;
  }

  .footer__right-item {
    border: none;
    padding: 0;
    text-align: center;
  }

  .footer__copyright-text {
    text-align: center;
  }

  .footer__logo {
    margin: auto;
  }

  .footer__link {
    line-height: 2.1;
  }

  /* コラムセクション */
  .column-label {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    align-items: center;
    height: fit-content;
    line-height: 1;
  }

  .column-label .label-separator {
    order: -1;
  }

  .column .section-heading {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 30px;
    margin: auto;
  }

  .column .section-heading .card-link {
    display: none;
  }

  .column {
    grid-template-columns: 1fr;
  }

  .column-grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
  }

  .column-card__media {
    width: 100px;
    height: 100px;
  }

  .column-card__content {
    padding: 15px 20px 10px 90px;
    margin-left: -80px;
  }
}