/* Base styles */
:root { 
  --alabaster: #fafafa;
  --alabaster-2: #f9fafb;
  --alto: #d9d9d9;
  --black: #000000;
  --bright-gray: #374151;
  --cod-gray: #0a0a0a;
  --mercury: #e5e7eb;
  --mercury-2: #e5e5e5;
  --mischka: #d1d5db;
  --mountain-mist: #999999;
  --pale-sky: #6b7280;
  --santas-gray: #9ca3af;
  --scarpa-flow: #4b5563;
  --ship-gray: #3e3e3e;
  --sonic-silver: #737373;
  --tango: #e96f27;
  --white: #ffffff;
  --wild-sand: #f3f4f6; 
  --font-size-l: 16px;
  --font-size-m: 14px;
  --font-size-s: 13px;
  --font-size-xl: 16px;
  --font-size-xs: 12px;
  --font-size-xxl: 17px;
  --font-size-xxxl: 18px;
 
  --font-family-font_awesome_6_free-regular: "Font Awesome 6 Free-Regular", Helvetica;
  --font-family-font_awesome_6_free-solid: "Font Awesome 6 Free-Solid", Helvetica;
  --font-family-inter: "Inter", Helvetica;
  --font-family-noto_sans_jp: "Noto Sans JP", Helvetica;
  --font-family-roboto: "Roboto", Helvetica;
}
  img {
    max-width: 100%;
    height: auto;
  }

  .l-section {
    width: 90%;
    margin: auto;
  }

  @media screen and (max-width:768px) {
  .l-section {
    width: 100%;
      padding: 12vw 6.66667vw 18.66667vw;
  }
}
  
  /* Main content */
  .breadcrumb_wrap {
    padding: 30px 0;
    margin: 0 auto;
    max-width: 1340px;
    
  }
  @media screen and (max-width:768px) {
   
  .breadcrumb_wrap {
    padding: 10px 0;    
  }
  }
 
  .main__title_wrap {   
      background-image: url(../img/main_bg.png);
      background-position: 50% 50%;
      background-size: cover;
      display: flex;
      align-items:center;
      justify-content: flex-start;
      height: 300px;
  }

  .main__title {
    font-size: 3rem;
    font-weight: 600;
    text-align: left;
    width: 90%;
    margin: 0 auto;
    max-width: 1340px;
  }
  
  @media screen and (max-width: 768px) {
   
  .main__title_wrap {
    background-position: center;
    height: 20vh;
}
  .main__title {
    font-size: clamp(28px, 6vw, 45px);
    margin: auto;
  }
  }
  /* .breadcrumb {
    margin-top: 59px;
  }
  
  .breadcrumb__list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  .breadcrumb__item {
    display: flex;
    align-items: center;
  }
  
  .breadcrumb__link {
    color: var(--scarpa-flow);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    font-weight: 300;
    text-decoration: none;
  }
  
  .breadcrumb__separator {
    color: var(--santas-gray);
    margin: 0 8px;
  } */
.main__container {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  max-width: 1400px;
  padding-top: 30px; 
  box-sizing: border-box;
}
  
  .main__content {
    flex: 1;
    max-width: 1000px;
  }
  
  .main__subtitle {
    font-size: 20px;
    text-align: center;
    font-weight: 700;
    position: relative;
  }
  @media screen and (max-width:768px) {
    .main__subtitle {
      font-size: 22px;
      transform: translateY(30%);    }
  }

  @media screen and (max-width:768px) {
    .main__subtitle:after {
      width: 8vw;
      height: 3px;
      margin-left: -4vw
    }
  }

  /* Search section */

  .search__filters {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
    align-items: center;
    flex-wrap: wrap;
  }
  
  .search__filter {
    flex: 1;
  }
  
  .search__label {
    display: none;
    color: var(--cod-gray);
    font-size: 14px;
    margin-bottom: 8px;
  }
  
  .search__select {
    width: 100%;
    padding: 5px;
    border: 1px solid var(--bright-gray);
    border-radius: 4px;
    font-size: 13px;
  }
  
  .search__button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: var(--tango);
    color: var(--white);
    border: none;
    border-radius: 4px;
    line-height: 1.4;
    cursor: pointer;
    margin: auto;
  }
  
  .search__button-icon {
    width: 16px;
    height: 16px;
  }

  .search__select.placeholder {
    color: #999;
  }
  /* 初期表示用のoptionだけ薄くする */
  .search__select option[value=""] {
    color: #999;
  }
  /* 通常のoptionは黒字 */
  .search__select option:not([value=""]) {
    color: #000;
  }
  
  /* Case studies */
.case-studies {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1500px;
  margin: 0 auto;
  place-items: center;
}
/* タブレット：2カラム */
@media screen and (max-width: 1024px) {
  .case-studies {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* スマホ：1カラム */
@media screen and (max-width: 600px) {
  .case-studies {
    grid-template-columns: 1fr;
  }
}

  .case-study {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    background-color: #fff;
    border: 1px solid var(--mercury);
    border-radius: 4px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
    padding: 0;
    overflow: hidden;
    max-width: 400px;
  }
  .case-study__body {
    padding: 16px;
}
  .case-study:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  }
  
.case-card__image {
  margin: 0;
  padding: 0;
  height: 170px;
  width: 100%;
  overflow: hidden;
  border-radius: 4px 4px 0 0;
}

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

  .case-study__link-wrapper{
  height: 100%;
}
  .case-study__link-wrapper,
  .case-study__link-wrapper:hover,
  .case-study__link-wrapper:visited {
    text-decoration: none;
    color: inherit;
  }

	/* 企業カテゴリ = バッジ */
	.case-study__category-badge {
	  display: inline-block;
	  font-size: 12px;
	  color: #555;
	  background: #fafafa;
	  border: 1px solid #ccc;   /* 枠線グレー */
	  border-radius: 20px;      /* 丸み */
	  padding: 6px 14px;
	  margin-bottom: 10px ;
	  text-decoration: none;
	  transition: all 0.2s ease;
	}

	.case-study__category-badge:hover {
	  border-color: var(--rp-orange);
	  color: var(--rp-orange);
	}

	/* 職種 = #だけ */
	.case-study__roles {
	  margin-top: 6px;
	  display: flex;
	  flex-wrap: wrap;
	  gap: 5px 12px;
	}
	.case-study__role {
	  display: inline-block;
	  font-size: 12px;
	  color: #666;
	  background: #f5f5f5;
      border-radius: 50px;
      padding: 7px 10px;
	  text-decoration: none;
	  margin:0px 5px;
	  transition: background 0.2s ease, color 0.2s ease;
	}
	.case-study__role:hover {
      background:#f0f0f0;
      align-content
      color: var(--rp-orange);  /* hover時にブランド色 */
	  text-decoration: none;
	}

  .case-study__title {
    text-decoration: none;  /* ← 下線を消す */
  }

.case-study__meta {
  text-align: left; /* 左寄せ */
}

.case-study__category {
  font-size: 13px;
  color: #666;       /* 薄めの文字色 */
}

.case-study__roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0px 10px;
}

.case-study__role {
  font-size: 12px;
  color: #888;
  background: none;
  padding: 0;
}



  .case-study__header {
    display: flex;
	margin-bottom: 8px;
	gap:5px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--bright-gray);
    flex-grow: 0;
	align-items: center;
  }
 
	.case-study__category-link {
	  text-decoration: none;   /* ★下線を消す */
	  margin-right: 6px;
	}


  .case-study__roles,
  .case-study__category {
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 0;
    line-height: 1.2;
  }
  .case-study__roles-list {
    display: inline-block;
    align-items: center;
	flex: 0 0 auto;
	position: relative;
  }

  .case-study__category-icon,
  .case-study__roles-icon {
    width: 14px;
    height: 14px;
    margin-right: 4;
  }
  .case-study__category-text {
    display: inline-block;
    border: 1px solid;
    border-color: var(--mischka);
    border-radius: 4px;
    flex: 0 0 auto;
    position: relative;
    text-decoration: none;
	padding: 2px 6px;
  }
  .case-study__role {
    background-color: var(--wild-sand);
    border-radius: 5px;
    flex: 0 0 auto;
    padding: 7px 12px;
    position: relative;
    text-decoration: none;
  }
  .case-study__title {
    margin: 16px 0px;
    line-height: 1.6;
    font-size: 16px;
    color: #333;
  }
  .case-study__link {
    color: var(--tango);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    float: right;
	align-self: flex-end;
	margin-top: auto;
  }
  .case-study__link-wrapper {
  display: block
  text-decoration: none;
  color: inherit;
}
  
  /* Sidebar */
  .sidebar {
    width: 320px;
    flex-shrink: 0;
  }
  
  .sidebar__section {
    margin-top: 40px;
    margin-bottom: 40px;
  }
  
  .sidebar__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 400;
    margin: 0 0 20px;
  }
  
  .sidebar__title-icon {
    width: 16px;
    height: 16px;
  }
  
  .sidebar__section 
  .sidebar__section--contact {
	 display: none;
  }

  /* Materials section */

/* ===== サイドバー資料カード ===== */
:root{
  --rp-card-max: 230px;
  --rp-gap: 12px;                /* 少し詰める */
  --rp-pad: 10px;
  --rp-border: rgba(51,51,51,.20);
  --rp-orange: #F28828;
  --rp-orange-dk: #E27A1F;
  --rp-text: #111;
  --rp-muted: #585858;
}

.sidebar__section--materials .materials{
  display: grid;
  gap: 18px;                     /* カード間もやや詰め */
}

.sidebar__section--materials .material{
  width: 100%;
  max-width: var(--rp-card-max);
  margin: 0 auto;
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--rp-border);
  border-radius: 0;
  padding: var(--rp-pad);
  display: grid;
  gap: var(--rp-gap);
  /* カードはホバー演出なし */
}

/* 画像：中央固定、画像そのものに軽い影（スクショっぽく） */
.sidebar__section--materials .material__media{
  margin: 0;
  display: grid;
  place-items: center;
}
.sidebar__section--materials .material__image{
  width: 100%;
  max-width: 210px;
  height: 120px;
  object-fit: cover;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,.15);
}

/* タイトル・本文 */
.sidebar__section--materials .material__info{ display: grid; gap: var(--rp-gap); }
.sidebar__section--materials .material__title{
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--rp-text);
  text-align: center;
  text-decoration: none;
  border-bottom: none;
}
.sidebar__section--materials .material__title a{
  color: inherit;
  text-decoration: none !important;
  border-bottom: none !important;
}
.sidebar__section--materials .material__desc{
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rp-muted);
  text-align: left;
}

/* ===== CTAだけ動かす（オレンジ→白） ===== */
/* ベース（オレンジ背景・白文字） */
.sidebar__section--materials .material__cta{
  --cta-h: 34px;
  --cta-r: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(210px, 100%);
  height: var(--cta-h);
  margin: 2px auto 0;           /* ほんの少し詰める */
  padding: 0 30px;               /* 指定：上下10/左右30 に相当 */
  border-radius: var(--cta-r);
  font: 700 16px/var(--cta-h) "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  white-space: nowrap;
  text-decoration: none;
  transition: all .3s ease-in-out;   /* ガイド通り */
  position: relative;
}

/* オレンジ→白（アウトライン） */
.sidebar__section--materials .cta_orange_white{
  background: var(--rp-orange);
  color: #fff;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px rgba(0,0,0,.15); /* 影：Y=2, blur約8〜10, 15% */
}
.sidebar__section--materials .cta_orange_white:hover,
.sidebar__section--materials .cta_orange_white:focus-visible{
  background: #fff;
  color: var(--rp-orange);
  border-color: var(--rp-orange);
  transform: translateY(-1px);       /* CTAだけ軽く浮く */
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
}

/* 逆（白→オレンジ）も使いたい時のため */
.sidebar__section--materials .cta_white_orange{
  background: #fff;
  color: var(--rp-orange);
  border: 2px solid var(--rp-orange);
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.sidebar__section--materials .cta_white_orange:hover,
.sidebar__section--materials .cta_white_orange:focus-visible{
  background: var(--rp-orange);
  color: #fff;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
}

/* 余計な矢印・擬似要素を完全無効化 */
.sidebar__section--materials .material__cta::before,
.sidebar__section--materials .material__cta::after{
  content: none !important;
  background: none !important;
  box-shadow: none !important;
  text-shadow: none !important;
}

/* スマホ補助 */
@media (max-width: 480px){
  .sidebar__section--materials .material{ max-width: 100%; }
  .sidebar__section--materials .material__cta{ width: 100%; }
}

/* ===== サイドバー資料カード（他の.materialとは完全分離） ===== */
#sidebar-materials .materials {
  display: grid;
  gap: 18px;
}

#sidebar-materials .material {
  width: 100%;
  max-width: 230px;
  margin: 0 auto;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(51,51,51,.20);
  border-radius: 0;
  padding: 10px;
  display: grid;
  gap: 12px;
}

/* 画像 */
#sidebar-materials .material__media {
  margin: 0;
  display: grid;
  place-items: center;
}
#sidebar-materials .material__image {
  width: 100%;
  max-width: 210px;
  height: 120px;
  object-fit: cover;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,.15);
}

/* タイトル・本文 */
#sidebar-materials .material__info {
  display: grid;
  gap: 12px;
}
#sidebar-materials .material__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: #111;
  text-align: center;
  text-decoration: none;
}
#
.material__title a {
  color: inherit;
  text-decoration: none !important;
}
#sidebar-materials .material__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #585858;
  text-align: left;
}

/* CTA（オレンジ→白） */
#sidebar-materials .material__cta {
  --h: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(180px, 100%);
  height: var(--h);
  margin: 2px auto 0;
  padding: 0 30px;
  border-radius: 20px;
  font: 700 16px/var(--h) "Noto Sans JP", system-ui, sans-serif;
  white-space: nowrap;
  text-decoration: none;
  transition: all .3s ease-in-out;
  position: relative;
  background: #F28828;
  color: #fff;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
#sidebar-materials .material__cta:hover,
#sidebar-materials .material__cta:focus-visible {
  background: #fff;
  color: #F28828;
  border-color: #F28828;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
}

/* 擬似要素削除（矢印など余計な装飾を消す） */
#sidebar-materials .material__cta::before,
#sidebar-materials .material__cta::after {
  content: none !important;
}
 
  }
  @media screen and (min-width:769px) {
    a.material__download:hover {
      color: #fff;
    }
    .material__download:hover:before {
      width: 100%;
      right: auto;
      left: 0
    }
  }

  .materials__more {
    display: flex;
    justify-content: center;
    margin: 30px 0px;
  }

.materials__more-link {
    border: 1px solid;
    color: var(--tango);
    border-radius: 5px;
    display: inline-flex;
    text-decoration: none;
    padding: 11.5px 17px 12.5px;
    position: relative;
    transition:
    all 0.3s ease-in-out;
  }

  .materials__more-link:hover {
    background-color: var(--tango);
    color: #fff;
  }
  /* Search box */
  .search-box {
    display: none;
    gap: 8px;
  }
  
  .search-box__input {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--bright-gray);
    border-radius: 4px;
  }
  
  .search-box__button {
    padding: 8px;
    background-color: var(--tango);
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  .search-box__icon {
    width: 16px;
    height: 16px;
  }
  
  /* Related articles */
  .sidebar__section-header {
    display: none;
    justify-content: space-between;
  }
  .related-articles {
    display: none;
    gap: 20px;
  }
  
  .related-article {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--bright-gray);
  }
  
  .related-article__meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
  }
  
  .related-article__category {
    color: var(--bright-gray);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
  }
  
  .related-article__date {
    color: var(--pale-sky);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
  }
  
  .related-article__title {
    color: var(--cod-gray);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    font-weight: 500;
    margin: 0 0 10px;
  }
  
  /* Contact section */
  .sidebar__description {
    color: var(--scarpa-flow);
    font-size: 14px;
    margin: 0 0 20px;
  }
  
  .sidebar__contact-button {
    display: block;
    padding: 8px 16px;
    background-color: var(--tango);
    color: var(--white);
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
  }
  
  
  /* Responsive design */
  @media (max-width: 1024px) {
    .main__container {
      margin-top: 0;
      flex-direction: column;
    }
  
    .sidebar {
      width: 100%;
    }
  }
  
  @media (max-width: 768px) {
    .header__nav {
      display: none;
    }
  
    .search__filters {
      gap: 5px;
    }
  
   
  }
  
  /* Case study detail */
  .case-study-detail {
    margin-top: 40px;
  }
  
  .case-study-detail__meta {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
  }
  
  .case-study-detail__category,
  .case-study-detail__roles {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .case-study-detail__category-icon,
  .case-study-detail__roles-icon {
    width: 16px;
    height: 16px;
  }
  
  .case-study-detail__category-text,
  .case-study-detail__role {
    color: var(--bright-gray);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
  }
  
  .case-study-detail__date {
    color: var(--pale-sky);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
  }
  
  .case-study-detail__hero {
    margin-bottom: 40px;
  }
  
  .case-study-detail__hero-image {
    width: 100%;
    height: auto;
    border-radius: 4px;
  }
  
  .case-study-detail__content {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .case-study-detail__section {
    margin-bottom: 40px;
  }
  
  .case-study-detail__section-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 12px;
    height: 40px;
    background-color: #D0E8CA; 
    border-left: 6px solid #F28828;
    display: block;
  }
  
  .case-study-detail__text {
    color: var(--cod-gray);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    margin: 0 0 24px;
  }
  
  .case-study-detail__list {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  .case-study-detail__list-item {
    color: var(--cod-gray);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    padding-left: 1.5em;
    position: relative;
    margin-bottom: 12px;
  }
  
  .case-study-detail__list-item::before {
    content: "•";
    color: var(--tango);
    position: absolute;
    left: 0;
  }
  
  .case-study-detail__quote {
    background-color: var(--alabaster);
    border-left: 4px solid var(--tango);
    margin: 0;
    padding: 24px;
  }
  
  .case-study-detail__quote-text {
    color: var(--cod-gray);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    margin: 0 0 16px;
  }
  
  .case-study-detail__quote-footer {
    margin: 0;
  }
  
  .case-study-detail__quote-author {
    color: var(--scarpa-flow);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    margin: 0;
  }
  
  .case-study-detail__cta {
    margin-top: 40px;
    text-align: center;
  }
  
  .case-study-detail__cta-link {
    display: inline-block;
    padding: 16px 32px;
    background-color: var(--tango);
    color: var(--white);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
  }
  
  .case-study-detail__cta-link:hover {
    background-color: #d45f00;
  }
  
  /* Responsive design for case study detail */
  @media (max-width: 768px) {
    .case-study-detail__meta {
      flex-direction: column;
      align-items: flex-start;
      gap: 16px;
    }
  
    .case-study-detail__section-title {
      font-size: 20px;
    }
  
    .case-study-detail__text,
    .case-study-detail__list-item {
      font-size: 14px;
    }
  
    .case-study-detail__cta-link {
      width: 100%;
      padding: 12px 24px;
    }
  }
  

/* Breadcrumb */
.case_single-breadcrumb {
  padding: 15px 0;
  display: flex;
  align-items: center;
}

.breadcrumb__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0 auto;
  max-width: 1340px;
  width: 90%;
  justify-content: flex-end;
  overflow: auto;
}

@media screen and (max-width:768px) {
  
.breadcrumb__list {
  width: 100%;  
  padding: 0 6.66667vw;
  justify-content: flex-start;
}
}
.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.breadcrumb__item:not(:last-child)::after {
  content: ">";
  color: var(--mountain-mist);
}

.breadcrumb__link {
  color: var(--cod-gray);
  text-decoration: none;
  font-size: 14px;
}

.breadcrumb__text {
  /* color: var(--mountain-mist); */
  font-size: 14px;
}

/* Case Detail */

.case-detail__header {
  display: flex;
  flex-direction: column;
  gap: 23px;
}

.case-detail__title {
  font-size: 32px;
  font-weight: 700;
  color: var(--cod-gray);
  margin: 0 0 24px;
  line-height: 1.4;
}

.case-detail__subtitle {
  font-size: 16px;
  color: var(--sonic-silver);
  margin: 0;
}

.case-detail__meta {
  display: flex;
  gap: 20px;
}

.tag-list {
  display: flex;
  gap: 10px;
}

.tag {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background-color: var(--alabaster);
  border-radius: 4px;
}

.tag__icon {
  width: 16px;
  height: 16px;
}

.tag__text {
  font-size: 14px;
  color: var(--cod-gray);
}

.tag__list {
  display: flex;
  gap: 5px;
}

.case-detail__company {
  display: flex;
  flex-direction: column;
  gap: 17px;
}

.case-detail__company-name {
  font-size: 24px;
  color: var(--cod-gray);
  margin: 0;
}

.case-detail__company-url {
  display: flex;
  align-items: center;
  gap: 5px;
}

.case-detail__company-url a {
  color: var(--tango);
  text-decoration: none;
  font-size: 16px;
}

.icon-external {
  width: 16px;
  height: 16px;
}

.case-detail__info {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.case-detail__info-item {
  display: flex;
  gap: 20px;
}

.case-detail__info-label {
  width: 100px;
  font-size: 16px;
  color: var(--mountain-mist);
}

.case-detail__info-value {
  flex: 1;
  font-size: 14px;
}

.case-detail__download {
  margin-top: 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 16px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn--primary {
  background-color: var(--tango);
  color: var(--white);
}

.btn--secondary {
  background-color: var(--white);
  color: var(--tango);
  border: 1px solid var(--tango);
}

.btn--large {
  padding: 15px 30px;
}

.btn--block {
  display: flex;
  width: 100%;
  justify-content: center;
}

.btn__icon {
  width: 16px;
  height: 16px;
}

/* Case Detail Hero */
.case-detail__hero {
  margin-bottom: 40px;
  position: relative;
}

.case-detail__hero img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

.rectangle-8 {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 40px;
}

/* Case Detail Summary */
.case-detail__summary {
  background-color: var(--alabaster);
  padding: 40px;
  border-radius: 8px;
  margin: 40px 0;
}

.summary-box__title {
  font-size: 20px;
  color: var(--cod-gray);
  margin: 0 0 20px 0;
}

.summary-box__text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--sonic-silver);
  margin: 0 0 30px 0;
}

.summary-box__buttons {
  display: flex;
  gap: 20px;
}

/* Case Detail Content */

.case-detail__section {
  margin: 50px 0;
}

.case-detail__section-title {
  font-size: 20px;
  font-weight: 700;
  padding: 0 0 0 12px;
  line-height: 40px;
  height: 40px; 
  border-left: 6px solid #F28828;
  display: block;
  margin:20px 0 20px;
}

/* Challenge Result */

.challenge-result__item {
  position: relative;
    background-color: var(--alabaster-2);
    border-radius: 6px;
    padding: 16px 20px 16px 36px;
    width: 100%;
  }

.challenge-result__item::before {
  content: "•";
  position: absolute;
  top: 16px;
  left: 20px;
  color: var(--tango);
}


/*Interviewee Section */

.interviewee-section {
  background-color: #F7F7F7;
  padding: 20px 24px;
  border-radius: 8px;
  margin: 40px auto;
  max-width:600px;
}


/* Interview Section */
.interview {
  margin: 80px 0;
}

.interview__content {
  position: relative;
}

.interview__header {
  margin-bottom: 30px;
}

.interview__title {
  position: relative;
  display: block;
  padding-bottom: 8px;
  font-size: 24px;
  font-weight: bold;
  color: #333;
  margin-bottom: 32px;
}

.interview__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #EE8628;
  border-radius: 2px;
}

.interview__subtitle {
  font-size: 18px;
  font-weight: 400;
  color: #333333;
}

.interview__body {
  position: relative;
}

.interview__bg {
  width: 100%;
  height: auto;
  margin-bottom: 40px;
}

.interview__text p {
  font-size: 16px;
  line-height: 2.0;
  margin-bottom: 28px;
  color: #333;
  font-family: 'Noto Sans JP', sans-serif;
}

.interview__question {
  color: #FF6B35;
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 600;
  position: relative;
  padding-left: 24px;
}

.interview__question::before {
  content: 'Q.';
  position: absolute;
  left: 0;
  color: #FF6B35;
}

.interview__answer {
  margin-bottom: 32px;
  font-size: 16px;
  line-height: 1.8;
  position: relative;
  padding-left: 24px;
}

.interview__answer strong{
  color: #1A237E;
} 

.interview__answer::before {
  content: 'A.';
  position: absolute;
  left: 0;
}

/* CTA Section */
.cta {
    align-items: center;
    background-color: #f8f3f0;
    border-radius: 8px;
    box-shadow: 0px 1px 2px #0000000d;
    padding: 50px 5%;
    width: 100%;
  }

.cta__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta__title {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--tango);
}

.cta__text {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 30px;
}

.cta__buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Related Cases Section */
.related-cases {
  margin: 80px 0;
}

.related-cases__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.related-cases__header .case-detail__section-title {
  margin-bottom: 0;
}
/* .related-case {
  background: #ffffff;
  border: 1px solid #E5E5E5;
  border-radius: 8px;
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-case:hover {
  transform: translateY(-4px);
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
} */


.related-cases__more .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  color: #FF6B35;
  font-weight: 500;
  padding: 0;
  transition: color 0.3s ease;
}

.related-cases__more .btn:hover {
  color: #E55A2B;
}

.related-cases__more .btn__icon {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.related-cases__more .btn:hover .btn__icon {
  transform: translateX(4px);
}

/* Case Detail Overview */
.case-detail__overview {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
}

.case-detail__hero {
  flex: 1;
  min-width: 0;
}

.case-detail__header {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-detail__meta {
  margin: 0;
}

.tag-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.tag {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: #F8F8F8;
  border-radius: 4px;
}

.tag__icon {
  width: 16px;
  height: 16px;
}

.tag__text {
  font-size: 14px;
  color: #666666;
}

.case-detail__company-name {
  font-size: 24px;
  font-weight: 700;
  color: #333333;
  margin: 0;
}

.case-detail__company-url {
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-detail__company-url a {
  color: #FF6B35;
  text-decoration: none;
  font-size: 16px;
}

.icon-external {
  width: 16px;
  height: 16px;
}

.case-detail__info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-detail__info-item {
  display: flex;
  gap: 16px;
}

.case-detail__info-label {
  width: 100px;
  font-size: 16px;
  color: #666666;
}

.case-detail__info-value {
  flex: 1;
  font-size: 16px;
  line-height: 1.6;
  color: #333333;
}

.case-detail__download {
  margin-top: 24px;
}


@media (max-width: 768px) {

  .challenge-result {
    grid-template-columns: 1fr;
  }

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

  .case-detail__overview {
    flex-direction: column;
    gap: 24px;
  }

  .rectangle-8 {
    height: 320px;
  }
  .breadcrumb {
    padding: 0 20px;
  }

  .case-detail__title {
    font-size: 24px;
  }

  .case-detail__company-name {
    font-size: 20px;
  }

  .case-detail__summary {
    padding: 30px;
  }

  .summary-box__buttons {
    flex-direction: column;
  }

  .case-detail__section-title {
    font-size: 20px;
  }

  .interview__header {
    padding: 0;
  }

  .interview__title {
    font-size: 24px;
  }

  .cta {
    padding: 40px 20px;
  }

  .cta__buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta__buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .related-cases__list {
    grid-template-columns: 1fr;
  }

  .related-case {
    max-width: 400px;
    margin: 0 auto;
  }
} 




/* ==========================================================
   サイドバー「お役立ち資料」 完全版（IDスコープ）
   影響範囲：#sidebar-materials 内だけ
   機能：カード角丸+外枠シャドウ／画像ヘッダー＋ラベル/バッジ
         タイトル・説明文／CTAのみアニメ（橙→白アウトライン）
         はみ出し防止・下線除去・余計な擬似要素の無効化
   ========================================================== */

/* 色トークン（必要に応じて変更可） */
#sidebar-materials {
  --rp-orange: #F28828;
  --rp-orange-dk: #E27A1F;
  --rp-text:   #111;
  --rp-muted:  #585858;
  --rp-border: rgba(0,0,0,.06);
}

/* 一覧レイアウト */
#sidebar-materials .materials{
  display:grid;
  gap:14px; /* カード間隔 */
}

/* カード本体 */
#sidebar-materials .material--card{
  width:100%;
  max-width:260px;         /* サイドバー幅に追従、上限だけ設定 */
  margin:0 auto;
  background:#fff;
  border:1px solid var(--rp-border);
  border-radius:12px;
  box-shadow:0 6px 18px rgba(0,0,0,.08);
  overflow:hidden;         /* ← 影/角丸のはみ出し防止 */
  display:grid;
  gap:12px;
  padding:0 0 12px;
}

/* 画像ヘッダー */
#sidebar-materials .material__media{
  margin:0;
  position:relative;
  height:150px;            /* 見た目で調整可（140～170推奨） */
  display:grid;
  place-items:center;
  overflow:hidden;
}
#sidebar-materials .material__image{
  width:100%;
  height:auto;
  object-fit:contain;
  display:block;
  margin: 0 auto;
  border-radius:0 !important;
  box-shadow:none !important; /* 画像自体の影は付けない（外枠で十分） */
}
/* 斜めグラデの薄い被せ（雰囲気付け・不要なら削除可） */
#sidebar-materials .material__media::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.06) 100%);
  pointer-events:none;
}

/* 左上ラベル（白ピル） */
#sidebar-materials .material__label{
  position:absolute; left:0px; top:0px;
  background:#fff; color:#333;
  font-weight:700; font-size:12px;
  padding:10px 15px; border-radius:5px;
  box-shadow:0 2px 6px rgba(0,0,0,.12);
  white-space:nowrap;
}

/* 右上バッジ（人気など） */
#sidebar-materials .material__badge{
  position:absolute; right:0px; top:0px;
  background:var(--rp-orange); color:#fff;
  font-weight:700; font-size:12px;
  padding:10px 10px; border-radius:5px;
}

/* 本文 */
#sidebar-materials .material__info{
  display:grid;
  gap:8px;
  padding:0 12px;
}
#sidebar-materials .material__title{
  margin:0;
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  color:var(--rp-text);
  text-align:left;
  text-decoration:none;
  border:0;
}
#sidebar-materials .material__title a{
  color:inherit;
  text-decoration:none !important;
  border:0 !important;
}
#sidebar-materials .material__desc{
  margin:0;
  font-size:13px;
  line-height:1.7;
  color:var(--rp-muted);
  text-align:left;
}

/* CTA（カードのみリンクなし／CTAだけアニメ）
   初期：オレンジ、hover：白アウトライン＋わずかに浮く */
#sidebar-materials .material__cta{
  --h:38px;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  width:min(180px,100%); height:var(--h);
  margin:6px auto 0; padding:0 22px;
  border-radius:20px;
  font:700 16px/var(--h) "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  color:#fff; background:var(--rp-orange);
  border:2px solid transparent;
  text-decoration:none; white-space:nowrap;
  box-shadow:1px 2px 10px rgba(0,0,0,.15);
  transition: all .3s ease-in-out;
  position:relative;
}
/* hover/focus */
#sidebar-materials .material__cta:hover,
#sidebar-materials .material__cta:focus-visible{
  background:#fff;
  color:var(--rp-orange);
  border-color:var(--rp-orange);
  transform: translateY(-1px);
  box-shadow:0 4px 12px rgba(0,0,0,.18);
}
/* テーマ由来の矢印/擬似要素を無効化 */
#sidebar-materials .material__cta::before,
#sidebar-materials .material__cta::after{
  content:none !important;
  background:none !important;
  box-shadow:none !important;
  text-shadow:none !important;
}
/* CTA内アイコン（DLマーク） */
#sidebar-materials .material__cta-ic{ flex:0 0 auto; }

/* 「資料一覧をもっと見る」リンク（サイドバー版） */
#sidebar-materials .materials__more{ margin:30px 0 0; display:flex; justify-content:center; }
#sidebar-materials .materials__more-link{
  border:1px solid var(--rp-orange);
  color:var(--rp-orange);
  border-radius:6px;
  display:inline-flex; align-items:center;
  text-decoration:none;
  padding:10px 16px;
  transition:all .3s ease-in-out;
}
#sidebar-materials .materials__more-link:hover{
  background:var(--rp-orange);
  color:#fff;
}

/* スマホ補助 */
@media (max-width:480px){
  #sidebar-materials .material--card{ max-width:100%; }
  #sidebar-materials .material__cta{ width:100%; }
}




/* ===== 上下余白の拡張（パンくず／検索枠／サイドバー） ===== */
.main__subtitle { margin: 0 0 12px; } /* 見出し直下の余白を少しだけ */
.sidebar_section { padding-top: 24px; padding-bottom: 24px; } /* お役立ち資料の上下 */

/* ===== 検索ボックスの枠 ===== */
.case-search-box {
  margin: 36px auto 40px;     /* ページ内での上下余白 */
  max-width: 980px;           /* 横幅の上限 */
}
.case-search-box__inner {
  border-radius: 5px;
  padding: 30px 20px;
  background: #fafafa;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.04);

  /* 中央寄せの追加 */
  display: flex;
  flex-direction: column; /* 縦方向に並べる */
  justify-content: center; /* 上下中央 */
  align-items: center;     /* 左右中央 */
  min-height: 200px;       /* 高さを確保して中央感を出す */
  text-align: center;
}

/* 枠内タイトル（1枚目の参考イメージ風に） */
.case-search-box__title {
  display: inline-block;
  font-weight: 700;
  font-size: 18px;
  padding: 8px 14px;
  border-radius: 8px;
  margin-bottom: 18px;
}

/* ===== フォームの整列 ===== */
.search form { margin-top:20px;}

.search__filters {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;                  /* セレクトと区切りの間隔 */
  flex-wrap: wrap;            /* スマホで折り返し */
  margin-bottom: 30px;
}

.search__filter {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.search__label {
  font-size: 12px;
  color: #666;
  line-height: 1;
}

.search__select {
  min-width: 280px;           /* 見やすい幅に */
  padding: 10px 12px;
  font-size: 16px;
}

.search-filters__separator {
  font-weight: 700;
  padding: 10px 0;
}

/* ボタンを中央に */
.search__button {
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 5px;
  margin-top: 8px;
  border: 0;
  background: var(--rp-orange);
  font-size: 12px;
  cursor: pointer;
}
.search__button:hover { filter: brightness(.95); }

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .case-search-box { margin: 28px auto 32px; }
  .case-search-box__inner { padding: 22px 16px; }
  .search__select { min-width: 100%; }
  .search__filters { gap: 16px; }
  .search-filters__separator { order: -1; width: 100%; text-align: center; }
}

/* ===== グリッド（列・間隔） ===== */
.case-studies{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 28px 32px;
  max-width: 830px;   /* ★横幅の最大値を制限 */
  margin: 0 auto;  
}
@media (max-width: 1024px){
  .case-studies{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 640px){
  .case-studies{ grid-template-columns: 1fr; gap: 20px; }
}


/* ===== 画像エリア：16:9固定＋cover ===== */
.case-card__image{
  position: relative;
  overflow: hidden;
}
.case-card__image img{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

.case-study__company {
  
  font-size: 14px;     /* 少し小さく */
  color: #333;         /* グレーで薄めに */
  font-weight: 700;    /* 太字をやめて通常に */
  margin-bottom: 4px;  /* 下との余白も控えめに */
}

/* 1024px以下でサイドバー2列化時、見出しは2列ぶち抜き */
@media (max-width: 1024px){
  /* 見出し行を必ず上段フル幅に */
  #sidebar-materials .sidebar_title{
    grid-column: 1 / -1 !important;
    margin: 0 0 12px !important;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  /* 念のため：材料リストがある場合は、そちらだけをグリッドに */
  #sidebar-materials{ display: block !important; }
  #sidebar-materials .materials,
  #sidebar-materials .materials_more{
    display: grid !important;
    grid-template-columns: repeat(2, minmax(280px,1fr)) !important;
    gap: 16px !important;
  }
  #sidebar-materials .materials > *,
  #sidebar-materials .materials_more > *{
    margin: 0 !important;
  }

  /* アイコンは常に16px固定 */
  #sidebar-materials .sidebar_title-icon{
    width:16px !important;
    height:16px !important;
    flex:0 0 16px;
    object-fit:contain;
    display:inline-block !important;
    margin-right:8px;
  }
}

/* 600px以下は1列 */
@media (max-width: 600px){
  #sidebar-materials .materials,
  #sidebar-materials .materials_more{
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
}