/* ============================================================
   CSS Variables
   ============================================================ */
:root {
  --color-yellow: #fbe700;
  --color-dark: #1a1a1a;
  --color-dark-alt: #251e1c;
  --color-border: #d5d5c8;
  --color-client-card-bg: #f5f4e7;
  --color-placeholder: #ddd;
  --color-footer-border: #8a8a8a;
  --color-page-inactive: #888;
  --color-page-border: #d1d1d1;
  --radius-main-pc: 64px;
  --radius-main-sp: 48px;
  --shadow-main-pc: 0 0 17px rgba(0, 0, 0, 0.1);
  --shadow-main-sp: 0 0 8.5px rgba(0, 0, 0, 0.1);
  --font-ja: 'Noto Sans JP', 'Yu Gothic', 'YuGothic', sans-serif;
  --font-en: 'Roboto', sans-serif;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

/* ご支援実績テンプレート：SWELL 標準の MV・タイトル等のみ非表示（.site-header は表示） */
body.chuyo-case-study .l-header,
body.chuyo-case-study .p-mainVisual,
body.chuyo-case-study .c-pageTitle,
body.chuyo-case-study .c-infoBar {
  display: none !important;
}

body.chuyo-case-study .site-header {
  display: block;
  visibility: visible;
}

/* ご支援実績：#content は透過ラッパーのみ（.site-main が白カード担当） */
body.chuyo-case-study #body_wrap {
  background-color: var(--color-yellow);
  overflow-x: visible;
}

body.chuyo-case-study #content.chuyo-case-study-content,
body.chuyo-case-study #content.l-content,
body.chuyo-case-study #content.l-container {
  max-width: 100% !important;
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  background: transparent !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  overflow: visible !important;
}

body.chuyo-case-study .l-mainContent,
body.chuyo-case-study .l-mainContent__inner,
body.chuyo-case-study .p-archiveContent,
body.chuyo-case-study .p-singleContent {
  max-width: 100% !important;
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  background: transparent !important;
  overflow: visible !important;
}

body {
  font-family: var(--font-ja);
  color: var(--color-dark);
  line-height: 1.5;
  /* ページタイトルエリアと同じ黄色にすることで、
     site-main の角丸コーナー部分に黄色が透けて見える */
  background-color: var(--color-yellow);
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
}


/* ============================================================
   ご支援実績：ヘッダー＋ヒーロー（黄色エリア一体）
   ============================================================ */
.cases-page-header {
  background-color: var(--color-yellow);
  width: 100%;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  background-color: var(--color-yellow);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  width: 51px;
  height: 40px;
  overflow: hidden;
  flex-shrink: 0;
}

.header-logo img,
.header-logo .c-headLogo__link img {
  height: 100%;
  width: auto;
  max-width: none;
  object-fit: contain;
}

/* SWELL ロゴ（header.php と同じ SWELL_PARTS::head_logo）をデザインサイズに合わせる */
.header-logo .c-headLogo {
  width: 100%;
  height: 100%;
  margin: 0;
}

.header-logo .c-headLogo__link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0;
}

.header-logo .c-headLogo.-txt .c-headLogo__link {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.header-logo .header-logo-link.-text {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

/* PC ナビゲーション */
.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-nav ul {
  display: flex;
  align-items: center;
}

.header-nav ul li a {
  display: block;
  padding: 12px 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.8px;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.header-nav ul li a:hover,
.header-nav ul li a[aria-current="page"] {
  opacity: 0.7;
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-dark);
  color: #fff;
  padding: 12px 20px;
  border-radius: 99px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.8px;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.btn-contact:hover {
  opacity: 0.8;
}

/* ハンバーガーボタン（SP用） */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  padding: 2px;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ============================================================
   SP ドロワーメニュー
   ============================================================ */
.sp-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 190;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.sp-overlay.is-active {
  opacity: 1;
  pointer-events: all;
}

.sp-menu {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100%;
  background-color: var(--color-dark);
  z-index: 200;
  padding: 72px 32px 32px;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.sp-menu.is-open {
  right: 0;
}

.sp-menu-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sp-menu ul {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sp-menu ul li a {
  color: #fff;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.7px;
  display: block;
  padding: 4px 8px;
  transition: opacity 0.2s;
}

.sp-menu ul li a:hover {
  opacity: 0.7;
}


/* ============================================================
   Hero
   ============================================================ */
.hero {
  background-color: var(--color-yellow);
  width: 100%;
}

.hero-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding-inline: 40px;
  box-sizing: border-box;
}

.hero-text {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 0 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-text h1 {
  font-size: 50px;
  font-weight: 700;
  letter-spacing: 5px;
  line-height: 1.06;
  color: var(--color-dark);
  white-space: nowrap;
}

.hero-desc {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 1.2px;
  line-height: 1.5;
  color: var(--color-dark);
}

.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 0 30px;
  width: 100%;
}

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

.breadcrumb ol li {
  font-size: 14px;
  letter-spacing: 1.4px;
  line-height: 1;
}

.breadcrumb ol li a {
  font-weight: 700;
  color: var(--color-dark);
  transition: opacity 0.2s;
}

.breadcrumb ol li a:hover {
  opacity: 0.7;
}

.breadcrumb ol li:last-child {
  font-weight: 400;
}

.breadcrumb-sep {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.pc-br {
  display: inline;
}


/* ============================================================
   Main コンテンツエリア
   ============================================================ */
.site-main {
  background-color: #fff;
  border-radius: var(--radius-main-pc) var(--radius-main-pc) 0 0;
  box-shadow: var(--shadow-main-pc);
  padding: 150px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 64px;
  overflow: hidden;
}

/* 一覧: PICK UP peek 用（PC は横方向を切らない） */
.site-main:not(.site-main--detail) {
  overflow-x: visible;
  overflow-y: visible;
  align-items: stretch;
}

@media (max-width: 1024px) {
  .site-main:not(.site-main--detail) {
    overflow-x: hidden;
  }
}


/* ============================================================
   PICK UP スライダー
   ============================================================ */

/* セクション全体 */
.pickup-section {
  --pickup-slide-width: 900px;
  --pickup-slide-gap: 60px;
  --pickup-arrow-size: 40px;
  align-self: stretch;
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  overflow: visible;
}

.pickup-heading {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2.8px;
  line-height: 1.5;
  color: var(--color-dark);
  text-align: center;
}

/*
 * peek: PC は slide-area をビューポート幅に広げ、Swiper は overflow:visible
 */
.pickup-slide-area {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow: visible;
}

.pickup-swiper.swiper {
  width: 100%;
  max-width: 100%;
  overflow: visible;
}

.pickup-swiper .swiper-wrapper {
  overflow: visible;
}

@media (min-width: 1025px) {
  body.chuyo-case-study {
    overflow-x: clip;
  }

  .pickup-section {
    overflow: visible;
    max-width: 100%;
  }

  .pickup-section .pickup-slide-area {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    overflow: visible;
  }

  .pickup-swiper.swiper,
  .pickup-section .pickup-slide-area .pickup-swiper.swiper {
    overflow: visible !important;
  }

  .pickup-swiper .swiper-wrapper {
    overflow: visible;
  }
}

/* スライド幅 */
.pickup-swiper .swiper-slide {
  box-sizing: border-box;
  height: auto;
  flex-shrink: 0;
  width: 100%;
}

@media (min-width: 1025px) {
  .pickup-swiper .swiper-slide,
  .pickup-swiper .swiper-slide-duplicate {
    width: var(--pickup-slide-width) !important;
    max-width: var(--pickup-slide-width);
  }

  /* auto モードで Swiper が幅を正しく読むよう inline width を上書き */
  .pickup-swiper .swiper-slide-active,
  .pickup-swiper .swiper-slide-next,
  .pickup-swiper .swiper-slide-prev {
    width: var(--pickup-slide-width) !important;
  }

  .pickup-controls {
    max-width: var(--pickup-slide-width);
  }
}

.pickup-swiper .swiper-slide .pickup-card {
  width: 100%;
  height: 100%;
}

.pickup-swiper .swiper-slide:not(.swiper-slide-active) .pickup-card {
  opacity: 1;
  transform: none;
}

/*
 * PC 用矢印 — gap 60px の中央に配置
 * 矢印位置: 50% ± (slide幅/2 + gap/2 + 矢印幅/2)
 */
.pc-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: var(--pickup-arrow-size);
  height: var(--pickup-arrow-size);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}

.pc-arrow svg {
  width: var(--pickup-arrow-size);
  height: var(--pickup-arrow-size);
}

.pc-arrow:hover {
  opacity: 0.5;
}

.pickup-prev.pc-arrow {
  left: calc(50% - var(--pickup-slide-width) / 2 - var(--pickup-slide-gap) / 2 - var(--pickup-arrow-size) / 2);
}

.pickup-next.pc-arrow {
  right: calc(50% - var(--pickup-slide-width) / 2 - var(--pickup-slide-gap) / 2 - var(--pickup-arrow-size) / 2);
}

/* SP 用矢印: コントロール行の中に入る (PC では非表示) */
.sp-arrow {
  display: none;
  width: var(--pickup-arrow-size);
  height: var(--pickup-arrow-size);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s;
}

.sp-arrow svg {
  width: var(--pickup-arrow-size);
  height: var(--pickup-arrow-size);
}

.sp-arrow:hover {
  opacity: 0.5;
}

/* ============================================================
   PICK UP カード
   ============================================================ */

/* PICK UP カード共通 */
.pickup-card {
  display: flex;
  flex-direction: row;
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--color-border);
  padding: 32px;
  color: inherit;
  text-decoration: none;
}

.pickup-card:hover {
  opacity: 0.92;
}

.pickup-card-img {
  flex: 1 1 0;
  min-width: 0;
  background-color: var(--color-placeholder);
  overflow: hidden;
}

/* PC: 900×330px カード・画像エリア約 418×266px（Figma node 153:293） */
@media (min-width: 768px) {
  .pickup-card {
    align-items: stretch;
    max-height: 330px;
  }

  .pickup-card-img {
    align-self: stretch;
    min-height: 266px;
  }
}

.pickup-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pickup-card-body {
  flex: 1 1 0;
  min-width: 0;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pickup-card-body .tags {
  gap: 8px;
}

.pickup-card-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.4px;
  line-height: 1.5;
  color: var(--color-dark);
}

.pickup-card-company {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.7px;
  line-height: 1.5;
  color: var(--color-dark);
}

/* ============================================================
   コントロール行（ページネーションドット + SP矢印）
   ============================================================ */

/* PC: ドットのみ、中央寄せ */
.pickup-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  max-width: 900px;
  margin-top: 0;
}

/* Swiper ページネーションドット カスタム */
.pickup-pagination {
  display: flex !important;
  justify-content: center;
  align-items: center;
  gap: 8px;
  position: static !important;
  transform: none !important;
  width: auto !important;
  flex: 1;
}

.pickup-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-border);
  opacity: 1;
  margin: 0 !important;
  transition: background-color 0.25s;
  cursor: pointer;
}

.pickup-pagination .swiper-pagination-bullet-active {
  background-color: var(--color-yellow);
}


/* ============================================================
   タグ
   ============================================================ */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-yellow);
  color: var(--color-dark);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  padding: 4px;
  white-space: nowrap;
}


/* ============================================================
   実績カードグリッド
   ============================================================ */
.cards-section {
  align-self: center;
  width: 900px;
  max-width: 100%;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

a.case-card {
  transition: opacity 0.2s;
}

a.case-card:hover {
  opacity: 0.7;
}

.case-card-img {
  width: 100%;
  aspect-ratio: 284 / 160;
  background-color: var(--color-placeholder);
  overflow: hidden;
}

.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.case-card .tags {
  width: 100%;
  min-width: 0;
}

.case-card .tag {
  white-space: normal;
  line-height: 1.4;
  max-width: 100%;
  word-break: break-word;
  text-align: left;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.case-card-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.36px;
  line-height: 1.5;
  color: var(--color-dark);
}

.case-card-title--sp {
  display: none;
}

.case-card-company {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.7px;
  line-height: 1.5;
  color: var(--color-dark);
}

/* 旧サイト相当のベタ打ち実績 */
.cards-section--legacy {
  width: min(1200px, 100%);
  margin-top: 48px;
}

.cards-grid--legacy {
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.legacy-case-card {
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.legacy-case-card__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: 24px 16px 16px;
  background-color: #fff;
}

.legacy-case-card__logo img {
  max-width: 100%;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.legacy-case-card__body {
  padding: 0 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.legacy-case-card__client {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.32px;
  line-height: 1.5;
  color: var(--color-dark);
}

.legacy-case-card__desc {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.26px;
  color: var(--color-dark);
}


/* ============================================================
   ページネーション
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 24px;
  align-self: center;
}

.pagination-arrow {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  flex-shrink: 0;
  transition: opacity 0.2s;
  text-decoration: none;
  color: inherit;
}

.pagination-arrow__icon {
  display: block;
  width: 16px;
  height: 7px;
  flex-shrink: 0;
}

.pagination-prev .pagination-arrow__icon {
  transform: scaleX(-1);
}

.pagination-arrow:hover {
  opacity: 0.6;
}

.pagination-arrow.is-disabled {
  opacity: 0.3;
  pointer-events: none;
}

.pagination-numbers {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pagination-num {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 400;
  color: var(--color-page-inactive);
  border: 1.25px solid var(--color-page-border);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  text-decoration: none;
}

.pagination-num.is-active {
  background-color: #000;
  color: #fff;
  border-color: #000;
}

.pagination-num:not(.is-active):hover {
  border-color: #888;
}

.pagination-ellipsis {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 15px;
  color: var(--color-page-inactive);
}


/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background-color: var(--color-dark);
  width: 100%;
}

.footer-top {
  padding: 40px 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.footer-logo img {
  width: 170px;
  height: auto;
}

.footer-nav ul {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 40px;
}

.footer-nav ul li a {
  display: block;
  padding: 4px 8px;
  color: #fff;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.7px;
  transition: opacity 0.2s;
}

.footer-nav ul li a:hover {
  opacity: 0.7;
}

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

.footer-bottom-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom-inner small,
.footer-bottom-inner a {
  color: #fff;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.11px;
  line-height: 1;
}

.footer-bottom-inner a {
  white-space: nowrap;
  transition: opacity 0.2s;
}

.footer-bottom-inner a:hover {
  opacity: 0.7;
}


/* ============================================================
   Responsive — Tablet (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .header-inner {
    padding: 16px 24px;
  }

  .hero-inner {
    padding-inline: 24px;
  }

  .hero-text,
  .breadcrumb {
    max-width: 100%;
  }

  .cards-section {
    width: calc(100% - 48px);
  }

  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cards-grid--legacy {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    padding: 0 24px;
    flex-wrap: wrap;
    gap: 32px;
  }

  .footer-nav ul {
    gap: 0 24px;
  }

  /* PICK UP: タブレット以下は1枚表示（900px peek は PC のみ） */
  .pickup-section {
    padding-inline: 24px;
    box-sizing: border-box;
  }

  .pickup-section .pickup-slide-area .pickup-swiper.swiper,
  .pickup-section .pickup-slide-area .swiper,
  .pickup-swiper.swiper {
    overflow: hidden !important;
  }

  .pickup-swiper .swiper-slide {
    width: 100% !important;
    max-width: none;
  }

  .pickup-controls {
    max-width: 100%;
  }

  .pc-arrow {
    display: none !important;
  }

  .sp-arrow {
    display: flex;
  }

  .pickup-controls {
    max-width: 100%;
    justify-content: space-between;
    margin-top: 16px;
  }
}


/* ============================================================
   Responsive — SP (max 767px)
   ============================================================ */
@media (max-width: 767px) {

  /* ---- Header ---- */
  .header-inner {
    max-width: 100%;
    padding: 8px 16px;
  }

  .header-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* ---- Hero ---- */
  .hero-inner {
    padding-inline: 16px;
  }

  .hero-text {
    max-width: 100%;
    padding: 64px 0 0;
    gap: 8px;
  }

  .hero-text h1 {
    font-size: 32px;
    letter-spacing: 3.2px;
    line-height: 1.66;
    white-space: normal;
  }

  .hero-desc {
    font-size: 18px;
    letter-spacing: 0.9px;
  }

  .pc-br {
    display: none;
  }

  .breadcrumb {
    max-width: 100%;
    padding: 64px 0 16px;
  }

  .breadcrumb ol li {
    font-size: 12px;
    letter-spacing: 1.2px;
  }

  /* ---- Main ---- */
  .site-main {
    border-radius: var(--radius-main-sp) var(--radius-main-sp) 0 0;
    box-shadow: var(--shadow-main-sp);
    padding: 64px 24px;
    gap: 48px;
  }

  /* ---- PICK UP（SP 固有: サイズ・縦並び） ---- */
  .pickup-section {
    --pickup-arrow-size: 32px;
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-inline: 0;
    gap: 16px;
  }

  .pickup-heading {
    font-size: 20px;
    letter-spacing: 2px;
  }

  .pickup-slide-area {
    width: 100%;
    margin-left: 0;
  }

  /* SP: 縦並び + 画像あり */
  .pickup-card {
    flex-direction: column;
    padding: 16px;
  }

  .pickup-card-img {
    flex: none;
    width: 100%;
    aspect-ratio: 450 / 247;
    align-self: auto;
  }

  .pickup-card-body {
    padding: 16px 0 0;
  }

  .pickup-card-title {
    font-size: 20px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }

  .pickup-swiper .tag,
  .case-card .tag {
    font-size: 10px;
  }

  /* ---- Cards Grid ---- */
  .cards-section {
    width: 100%;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .cards-grid--legacy {
    grid-template-columns: 1fr;
  }

  .case-card-title {
    font-size: 14px;
    letter-spacing: 0.28px;
  }

  .case-card-title--pc {
    display: none;
  }

  .case-card-title--sp {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }

  .case-card-company {
    font-size: 12px;
    letter-spacing: 0.6px;
  }

  .case-card-body {
    padding: 12px;
    gap: 8px;
  }

  /* ---- Pagination ---- */
  .pagination {
    width: 100%;
    justify-content: space-between;
  }

  /* ---- Footer ---- */
  .footer-top {
    padding: 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    padding: 48px 32px;
    gap: 40px;
    max-width: 100%;
  }

  .footer-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .footer-nav ul li a {
    text-align: center;
  }

  .footer-bottom-inner {
    max-width: 100%;
    padding: 20px 32px;
  }
}