@charset "UTF-8";
/*common*/
body {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 400;
  font-size: 3.4vw;
  line-height: 1.5;
  color: #282828;
  -webkit-text-size-adjust: 100%;
  background: #e4eaed; }

.en {
  font-family: "Roboto Condensed", sans-serif; }

a {
  color: #282828;
  text-decoration: none;
  transition: 0.3s; }

a:hover {
  color: #282828;
  transition: 0.3s;
  opacity: 0.8; }

.pc {
  display: none; }

img {
  width: 100%; }

#page-top {
  width: 17%;
  position: fixed;
  right: 5%;
  bottom: 3%;
  z-index: 2;
  opacity: 0;
  transform: translateX(100px); }
  #page-top a {
    display: block;
    background: url("/common/images/pagetop.png") no-repeat center center;
    background-size: 60px 60px;
    width: 60px;
    height: 60px; }

#page-top.LeftMove {
  animation: LeftAnime 0.5s forwards; }

#page-top.RightMove {
  animation: RightAnime 0.5s forwards; }

:root {
  --color_base:#0080c8;
  --color_sec:#004772;
  --color_bg:#e2ebf8;
  --color_bg2:#e4eaed; }

header h1 {
  width: 40%;
  position: absolute;
  left: 10%;
  top: 5%;
  z-index: 2; }

.nav {
  display: none; }

.menu {
  display: block;
  background: #fff;
  font-size: 3.6vw;
  font-weight: 600;
  border-radius: 4px;
  display: flex;
  padding: 1vw 2vw;
  width: 100%; }
  .menu li a {
    display: block;
    padding: 1vw 1vw 1vw 1vw;
    white-space: nowrap; }
  .menu li a:hover {
    color: var(--color_base); }
  .menu li span {
    display: none; }

.sidenav {
  width: 100%;
  background: #fff;
  position: fixed;
  z-index: 20;
  top: 0;
  right: -100%;
  transition: all 0.6s;
  height: 100vh;
  letter-spacing: 0;
  overflow-y: auto;
  height: 100vh; }
  .sidenav dl {
    width: 84%;
    margin: 0 auto;
    padding: 15% 0%;
    font-size: 3.6vw;
    font-weight: 600; }
    .sidenav dl a {
      display: block;
      background: url("../images/index/btn_arrow_black.svg") no-repeat right top 5vw;
      background-size: 3vw;
      padding: 4vw 1vw; }
    .sidenav dl dt {
      border-bottom: 1px solid #ccc; }
    .sidenav dl dd {
      padding-left: 4vw;
      border-bottom: 1px solid #ccc; }
      .sidenav dl dd ul li {
        font-size: 3.0vw;
        border-bottom: 1px dotted #ccc; }
        .sidenav dl dd ul li a {
          background-position: top 5vw; }
      .sidenav dl dd ul li:last-child {
        border-bottom: none; }

.sidenav.panelactive {
  right: 0; }

.openbtn {
  position: absolute;
  z-index: 100;
  /*ボタンを最前面に*/
  right: 3%;
  top: 2%;
  cursor: pointer;
  width: 12%;
  transition: all 0.6s;
  z-index: 10; }

.openbtn2 {
  position: absolute;
  z-index: 100;
  /*ボタンを最前面に*/
  right: 5%;
  top: 4%;
  cursor: pointer;
  width: 8%;
  transition: all 0.6s; }

.menu-item a {
  display: block; }

.menu-panel {
  position: absolute;
  top: 12.5%;
  left: 0;
  width: 80%;
  background-color: #e4eaed;
  padding: 3% 10% 1% 10%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  z-index: 999; }
  .menu-panel ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start; }
    .menu-panel ul li {
      width: 23%;
      margin: 0 2.5% 2% 0; }
    .menu-panel ul li:nth-last-child(4n) {
      margin-right: 0; }
    .menu-panel ul a {
      display: block;
      line-height: 1.4;
      overflow: hidden; }
      .menu-panel ul a img {
        margin-bottom: 3%;
        border-radius: 8px; }

.menu-panel.active {
  opacity: 1;
  visibility: visible; }

.contact {
  position: fixed;
  right: 0%;
  bottom: 5%;
  z-index: 10;
  writing-mode: vertical-rl; }
  .contact a {
    display: block;
    background: var(--color_base);
    color: #fff;
    font-size: 3.6vw;
    font-weight: 600;
    border-radius: 3px 0px 0px 3px;
    padding: 4vw 2vw;
    white-space: nowrap; }
  .contact a:hover {
    background: #fff;
    color: var(--color_base);
    opacity: 1; }

#linkArea li:nth-child(1) {
  background: url("../images/index/company_bg.webp") no-repeat center center;
  background-size: cover; }
#linkArea li:nth-child(2) {
  background: url("../images/index/contact_bg.webp") no-repeat center center;
  background-size: cover; }
#linkArea a {
  display: block;
  padding: 12% 0% 6% 8%; }
#linkArea a:hover {
  opacity: 0.7; }
#linkArea dl {
  color: #fff; }
#linkArea dt {
  font-family: "Roboto Condensed", sans-serif;
  font-weight: 700;
  font-size: 8.0vw; }
#linkArea dd {
  font-weight: 600;
  margin-bottom: 10%; }
#linkArea .link {
  font-family: "Roboto Condensed", sans-serif;
  display: block;
  background: #fff;
  font-size: 3.6vw;
  font-weight: 500;
  border-radius: 4px;
  padding: 5% 10%;
  position: relative;
  width: 25vw;
  color: #333; }
  #linkArea .link img {
    position: absolute;
    right: 10%;
    top: 39%;
    width: 3vw; }

footer {
  background: #000;
  color: #999999;
  font-family: "Roboto Condensed", sans-serif;
  position: relative;
  padding: 20% 0 12% 0; }
  footer a {
    color: #999999; }
  footer a:hover {
    color: #fff; }
  footer b {
    display: block;
    font-weight: 700;
    font-size: 6.0vw;
    margin-bottom: 4%; }
  footer .copy {
    font-weight: 300;
    padding: 6% 0 0 8%;
    font-size: 3.0vw; }
  footer .sitemap {
    width: 84%;
    margin: 0 auto 0 auto; }
    footer .sitemap div {
      margin-right: 3%; }
  footer ul {
    margin-bottom: 6%; }
    footer ul li {
      margin-bottom: 3%; }
  footer .logo {
    width: 50%;
    padding: 6% 0 0 8%; }
  footer .pagetop {
    position: absolute;
    right: 5%;
    top: 3%;
    padding-right: 4.0vw;
    display: block;
    font-weight: 700;
    font-size: 5.0vw;
    background: url("../images/index/btn_arrowup_white.svg") no-repeat right center;
    background-size: 3vw; }

#ttlArea {
  padding-top: 30%;
  width: 90%;
  margin: 0 auto 5% auto; }
  #ttlArea h2 {
    font-family: "Roboto Condensed", sans-serif;
    font-weight: 700;
    font-size: 9.8vw;
    line-height: 1.3;
    margin-bottom: 0%; }
  #ttlArea p {
    font-size: 3.6vw;
    font-weight: 500; }

main {
  background: var(--color_bg); }

#ttlArea {
  padding-top: 30%;
  width: 90%;
  margin: 0 auto 10% auto; }
  #ttlArea h2 {
    font-family: "Roboto Condensed", sans-serif;
    font-weight: 700;
    font-size: 9.8vw;
    line-height: 1.3;
    margin-bottom: 0%; }
  #ttlArea p {
    font-size: 3.6vw;
    font-weight: 500; }

.section {
  margin: 0 auto 0 auto;
  width: 90%;
  padding-bottom: 10%; }

.link-btn {
  width: 100%;
  margin: 0 auto;
  text-align: center; }
  .link-btn a {
    font-weight: 600;
    display: block;
    padding: 20px 10px;
    background: url("../../case-studies/img/arrow2.webp") no-repeat right 3% top 50% var(--color_base);
    background-size: 4%;
    color: #fff;
    font-size: 3.6vw;
    border-radius: 4px; }

#main {
  margin-bottom: 3%; }
  #main .ttl-area h3 {
    color: var(--color_base);
    font-size: 4.8vw;
    padding: 2% 0; }
  #main .ttl-area .name {
    font-size: 3.4vw;
    font-weight: 500; }
  #main .ttl-area .txt {
    font-size: 3.4vw;
    line-height: 1.8; }

#detail h4 {
  color: var(--color_sec);
  font-size: 4.2vw;
  font-weight: 600;
  margin-bottom: 5%;
  text-align: center; }
#detail .overview {
  margin-bottom: 3%; }
  #detail .overview dl {
    display: flex;
    width: 100%; }
    #detail .overview dl dt {
      font-weight: 500;
      color: var(--color_sec);
      text-align: left;
      width: 20%;
      margin-bottom: 2%; }
    #detail .overview dl dd {
      font-weight: 500;
      width: 80%;
      margin-bottom: 2%; }
#detail .contents dl {
  background: #fff;
  margin-bottom: 3%; }
  #detail .contents dl dt {
    text-align: center;
    color: #fff;
    font-weight: 600;
    padding: 2% 0; }
  #detail .contents dl dd {
    padding: 4% 3%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-grow: 1;
    font-weight: 500; }
  #detail .contents dl ol li {
    margin-left: 25px;
    list-style: disc;
    margin-bottom: 2%; }
  #detail .contents dl ol li::marker {
    font-size: 75%; }
#detail .contents dl:nth-child(1) {
  border: 2px solid var(--color_sec); }
  #detail .contents dl:nth-child(1) dt {
    background: var(--color_sec); }
#detail .contents dl:nth-child(2) {
  border: 2px solid var(--color_base); }
  #detail .contents dl:nth-child(2) dt {
    background: var(--color_base); }
  #detail .contents dl:nth-child(2) dd {
    color: var(--color_base);
    font-weight: 600; }

#step {
  padding-bottom: 10%; }
  #step h4 {
    color: var(--color_sec);
    font-size: 4.2vw;
    font-weight: 600;
    margin-bottom: 5%;
    text-align: center; }
  #step .pht {
    width: 100%;
    margin: 5% auto; }

#interview {
  background: #fff;
  padding-bottom: 10%; }
  #interview .ttl-area {
    text-align: center;
    padding: 10% 0; }
    #interview .ttl-area .sttl {
      color: var(--color_base);
      font-family: "Roboto Condensed", sans-serif;
      font-size: 3.4vw;
      font-weight: 600;
      line-height: 1.2; }
    #interview .ttl-area h3 {
      font-size: 4.6vw;
      padding: 2% 0; }
    #interview .ttl-area .txt {
      font-weight: 500;
      font-size: 3.2vw;
      margin-bottom: 2%; }
    #interview .ttl-area .att {
      font-size: 2.6vw;
      width: 90%;
      margin: 0 auto; }
  #interview .faq {
    background: var(--color_bg);
    padding: 5% 5%;
    margin: 0 auto 5% auto;
    width: 80%;
    border-radius: 10px; }
    #interview .faq dl {
      display: flex;
      margin-bottom: 1%; }
      #interview .faq dl dt {
        font-family: "Roboto Condensed", sans-serif;
        font-size: 5.6vw;
        font-weight: 600;
        color: var(--color_base);
        margin-right: 6%; }
      #interview .faq dl dd {
        padding: 2% 0; }
        #interview .faq dl dd h4 {
          font-size: 4.2vw;
          margin-bottom: 3%; }
        #interview .faq dl dd b {
          color: var(--color_base);
          font-weight: 600;
          line-height: 1.5; }
    #interview .faq dl:last-child {
      margin-bottom: 0; }
  #interview .link-btn {
    width: 90%; }

#contact {
  background: var(--color_base);
  text-align: center;
  color: #fff;
  padding: 10% 0; }
  #contact h3 {
    font-size: 5.2vw;
    margin-bottom: 1%;
    margin-bottom: 3%; }
  #contact p {
    margin-bottom: 6%;
    font-weight: 500;
    font-size: 3.2vw; }
  #contact a {
    width: 80%;
    margin: 0 auto;
    font-weight: 600;
    display: block;
    padding: 20px 10px;
    background: url("../../case-studies/img/arrow3.webp") no-repeat right 3% top 50% #fff;
    background-size: 4%;
    color: var(--color_base);
    font-size: 3.6vw;
    border-radius: 4px; }

#case {
  /* フィルターパネル（構造化対応） */
  /* 各カテゴリーの行 */
  /* フィルターボタンスタリング */
  /* コントロールフッター（件数・クリアボタン） */ }
  #case .filter-panel {
    font-size: 3.2vw;
    background: #fff;
    padding: 8%;
    margin-bottom: 8%; }
  #case .tag_ttl {
    font-size: 3.0vw;
    background: #fff;
    padding: 8% 8% 0 8%;
    color: var(--color_base); }
  #case .filter-panel {
    background: #fff;
    margin-bottom: 6%; }
  #case .filter-row {
    display: flex;
    flex-direction: column;
    padding: 5% 0;
    border-bottom: 1px solid #e4e4e0;
    gap: 0.3rem; }
  #case .filter-row:first-child {
    border-top: 1px solid #e4e4e0; }
  #case .filter-row:last-of-type {
    border-bottom: none;
    padding-bottom: 0; }
  #case .filter-label {
    font-weight: 700;
    color: var(--text);
    flex-shrink: 0;
    margin-bottom: 3%; }
  @media (min-width: 768px) {
    #case .filter-row {
      flex-direction: row;
      align-items: flex-start; }
    #case .filter-label {
      padding-top: 1rem;
      /* ボタンの高さと視線を合わせる */ } }
  #case .filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    flex: 1; }
  #case .tag-btn {
    appearance: none;
    background: #fff;
    color: var(--text);
    padding: 0.3rem 3%;
    border-radius: 0;
    font-family: inherit;
    cursor: pointer;
    letter-spacing: 0.02em;
    transition: all 0.15s ease;
    border: 1px solid #e4e4e0; }
  #case .tag-btn:hover {
    border-color: var(--color_base);
    color: var(--color_base); }
  #case .tag-btn:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px; }
  #case .tag-btn[aria-pressed="true"] {
    background: var(--color_base);
    border-color: var(--color_base);
    color: #fff; }
  #case .filter-control {
    padding-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem; }
  #case .tag-btn--clear {
    background: var(--color_bg); }
  #case .count {
    padding: 0.3rem;
    margin: 0; }
  #case .grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
    grid-template-columns: repeat(1, 1fr); }
  #case .card {
    background: #fff;
    transition: 0.3s;
    padding: 7% 7% 12% 7%;
    position: relative; }
  #case .card:hover {
    border-color: var(--border-strong);
    box-shadow: 0 12px 36px rgba(15, 39, 68, 0.06);
    transition: 0.3s; }
  #case .card[hidden] {
    display: none; }
  #case .pht {
    margin-bottom: 4%; }
  #case .card-title {
    font-size: 4.0vw;
    color: var(--color_base); }
  #case .card-desc {
    font-size: 3.4vw;
    margin-bottom: 4%; }
  #case .card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem; }
  #case .pill {
    background: var(--color_base);
    padding: 2% 3%;
    font-size: 2.8vw;
    color: #fff;
    line-height: 1;
    border-radius: 3px; }
  #case .card-link {
    position: absolute;
    right: 5%;
    bottom: 4%;
    display: block;
    font-family: "Roboto Condensed", sans-serif;
    font-weight: 500;
    font-size: 3.2vw;
    text-align: right;
    color: var(--color_base);
    background: url("../../case-studies/img/arrow3.webp") no-repeat right 0% top 40%;
    background-size: 15%;
    padding-right: 5%; }
  #case .card-link:hover {
    border-bottom-color: var(--color_base); }
  #case .empty-state {
    text-align: center;
    padding: 3rem 1.25rem;
    color: var(--text-muted);
    border: 1px dashed var(--border-strong);
    background: var(--bg-sub);
    display: none; }
  #case .empty-state.is-visible {
    display: block; }