/* ===== CSS VARIABLES ===== */
:root {
  --orange: #F78934;
  --orange-light: #FFD280;
  --orange-pale: #FDEFE4;
  --blue: #0F75B7;
  --blue-light:#9AD1FB;
  --blue-dark: #1A5FA0;
  --blue-light: #EBF4FF;
  --gray-bg: #F7F7F7;
  --dark: #1A1A2E;
  --text: #444444;
  --text-light: #666666;
  --white: #FFFFFF;
  --beige:#faf8f5;
  --yellow: #FEED99;
  --orange-grad: linear-gradient(135deg, #FFA763 0%, #FF6F00 100%);
  --orange-grad-rtl: linear-gradient(to right, rgba(226, 145, 82, 1) 0%, rgba(255, 213, 180, 1) 100%);
  --blue-grad: linear-gradient(to right, rgba(97, 171, 227, 1) 0%, rgba(154, 209, 251, 1) 100%);
}
.orange{
    color: var(--orange);
}
.blue{
  background-color: var(--blue)!important;
  color: var(--yellow);
  font-weight: 700;
  font-size: 24px;
}
.small{
    font-size: 24px;
}
.reverse{
  display: flex;
  flex-flow: row-reverse;
}

.inner{
  width: min(1400px, calc(100% - 40px));
  margin: 0 auto;
}

body{
  background: var(--beige);
}
  /* ===== SECTION COMMONS ===== */
 
    .section-ttl-wrap {
      text-align: center;
      margin-bottom: 48px;
    }
 
    .section-ttl {
      font-family: 'Montserrat', sans-serif;
      font-size: clamp(28px, 4vw, 42px);
      font-weight: 800;
      letter-spacing: 0.04em;
    }
 
    .section-ttl--ja {
      font-size: 13px;
      color: var(--text-light);
      margin-top: 4px;
      font-weight: 500;
      letter-spacing: 0.05em;
    }
 /* ===== HERO ===== */
    .hero {
      height: auto;
      position: relative;
    }

   .hero picture img {
    width: 100%;
    height: auto;
    display: block;
  }

    .hero-inner {
      z-index: 1;
    }

    /* ===== PROBLEMS ===== */
    .problems {
      background-image: url(../img/display_bg_img001.jpg);
      background-position: bottom;
      background-repeat: no-repeat;
      background-size: cover;
      background-color: var(--orange-pale);
      overflow: hidden;
    }

    .problems .inner{
      padding: 3% 0;
    }
    .problems .section-ttl { 
        color: var(--dark); 
        position: relative;
        display: inline-block;
    }

  .problems .section-ttl::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -60px;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: url("../img/icon_h_l.png") no-repeat center / contain;
}

.problems .section-ttl::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -60px;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: url("../img/icon_h_r.png") no-repeat center / contain;
}
 
    .problems-grid {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 24px;
      margin: 0 auto;
    }
 
    .problem-card {
      background: var(--white);
      height: auto;
      flex: 1 1 calc((100% - 48px) / 3);
      min-width: 280px;
      max-width: 380px;
      box-sizing: border-box;
      border-radius: 12px;
      padding: 32px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      border: 1.5px solid transparent;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
 
    .problem-num {
      width: 100%;
      display: flex;
    }
 
    .problem-num span{
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 32px;
      font-weight: 700;
      color: var(--white);
      background:var(--orange);
      width:64px;
      height: 64px;
      border-radius: 99px;
    }
    .problem-icon {
      width: 56px; height: 56px;
      background: var(--orange-pale);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 26px;
    }
 
    .problem-text {
      font-size: 24px;
      font-weight: 700;
      line-height: 1.6;
      color: var(--dark);
      text-align: center;
    }
 
    .problem-text-small {
      font-size: 12px;
      color: var(--text-light);
      line-height: 1.7;
    }
 
    /* second row of problem cards */
    .problems-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      max-width: 760px;
      margin: 24px auto 0;
    }

    /* ===== ABOUT ===== */
    .about {
      padding: 80px 0;
      background: var(--orange-pale);
    }

    .about .inner{
      width: 100%;
      max-width: 1400px;
        box-sizing: border-box;
        background-color: var(--white);
        position: relative;
        background: white;
        border-radius: 24px;
        padding: 56px;
    }

    .about-label {
      position: absolute;
      text-align: center;
      font-size: 36px;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: var(--white);
      background: var(--orange);
      display: inline-block;
      padding: 6px 20px;
      border-radius: 99px;
      top: -30px;
      left: 50%;
      transform: translateX(-50%);
    }
    .about-text{
      text-decoration: underline;
      text-decoration-color: var(--blue-light);
      text-decoration-thickness: 4px;
      text-underline-offset: 10px;
    }
    .about .inner p {
      text-align: center;
      font-size: 32px;
      font-weight: 700;
      color: var(--dark);
      line-height: 1.6;
      margin: 0 auto;
    }
 
    .about img{
      width: 100%;
      max-width: 1240px;
        margin: 0 auto;
        display: block;
        padding: 50px 0;
    }
 
    /* ===== FLOW STEPS ===== */
    .steps-grid {
      display:flex;
      flex-wrap: wrap;
      gap: 32px;
      margin-top: 48px;
    }
 
    .step-card {
      background: var(--orange);
      border-radius: 12px;
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      flex: 1 1 calc((100% - 96px) / 4);
      min-width: 240px;
      box-sizing: border-box;
      gap:16px;
      line-height: 180%;
      letter-spacing: 10px;
    }

    .step-num {
      font-size: 64px!important;
      font-weight: 800;
      color: var(--orange)!important;
      background:var(--white);
      letter-spacing: 0.1em;
      margin-bottom: 12px;
      border-radius: 99px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 8px 32px;
    }
 
    .step-title {
      font-size: 24px!important;
      font-weight: 900;
      color: var(--white)!important;
      margin-bottom: 10px;
      line-height: 1.5;
    }
 
    .step-desc {
      font-size: 18px!important;
      font-weight: 400!important;
      color: var(--white)!important;
      line-height: 1.85;
    }
 
    /* ===== WHY ===== */
    .why {
      padding: 80px 0;
      background: var(--orange-grad-rtl);
    }
 
    .why-heading {
      background-image: url(../img/WHY.png);
      background-size: contain;
      background-repeat: no-repeat;
      background-position: center;
      height: 216px;
      display: flex;
      justify-content: center;
      align-items: center;
      text-align: center;
      font-size: 48px;
      font-weight: 900;
      color: var(--white);
      margin-bottom: 0;
    }
 
    .why-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      align-items: center;
      width: 100%;
      max-width: 1162px;
      box-sizing: border-box;
      border-radius: 20px;
      margin: 0 auto;
      background: var(--white);
      padding: 32px 64px;
      gap: 24px;
    }
 
    .why-list li{
        color: var(--orange);
        font-size: 32px;
        font-weight: bold;
        line-height: 180%;
    }
 
    .why-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      border-radius: 10px;
      padding: 20px 22px;
    }
 
    .why-item-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
    .why-item-text { font-size: 14px; font-weight: 700; color: var(--dark); line-height: 1.6; }
    .why-item-sub { font-size: 12px; color: var(--text-light); line-height: 1.7; margin-top: 4px; }
 
    .why-visual {
      border-radius: 16px;
      text-align: center;
    }
 
    .why-visual-icon { font-size: 60px; margin-bottom: 16px; }
    .why-visual-title { font-size: 16px; font-weight: 900; color: var(--blue-dark); margin-bottom: 10px; }
    .why-visual-desc { font-size: 13px; color: var(--text-light); line-height: 1.8; }
 
    /* ===== NECESSARY ===== */
    .necessary {
      padding: 80px 0;
      background-image:url(../img/display_bg_img006.jpg);
      background-position: center;
    }
 
    .necessary .section-ttl {
        color: var(--white); 
    }
    .necessary .section-ttl-wrap p{ 
        color:var(--white); 
    }
 
    .necessary-flow {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-top: 48px;
    }

    .necessary-flow p{
        font-size: 24px;
        font-weight: 700;
        background:var(--white);
        color: var(--blue);
        padding:8px 24px ;
        border-radius: 99px;
    }
    .nec-item {
      background: rgba(255,255,255,0.1);
      border: 1.5px solid rgba(255,255,255,0.2);
      border-radius: 10px;
      padding: 20px 24px;
      text-align: center;
      min-width: 130px;
      backdrop-filter: blur(4px);
    }
 
    .nec-icon { font-size: 28px; margin-bottom: 8px; }
    .nec-text { font-size: 12px; font-weight: 700; color: var(--white); }
    .nec-sub { font-size: 10px; color: rgba(255,255,255,0.6); margin-top: 3px; }
 
    .nec-arrow {
      color: var(--orange);
      font-size: 22px;
      padding: 0 10px;
      font-weight: 900;
    }
 
    /* ===== NUMBERS ===== */
    .case{
      background-image: url(../img/display_bg_img007.jpg);
      background-position: center;
      height: 1095px;
    }
    .case .section-ttl{
      color: var(--white);
    }
    .numbers {
      padding: 80px 0;
      background: var(--orange-pale);
    }
 
    .numbers-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 32px;
      margin: 0 auto;
    }
 
    .number-card {
      display: flex;
      flex-direction: column;
      gap:20px;
      background: var(--white);
      width: calc((100% - 32px) / 2);
      min-width: 320px;
      max-width: 686px;
      box-sizing: border-box;
      border-radius: 12px;
      padding:56px;
      box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    }
 
    .number-val {
      font-size: 32px;
      font-weight: 700;
      color: var(--white);
      background:var(--orange);
      border-radius: 99px;
      padding: 8px 48px;
      margin: 0;
    }

    .number-label { 
      font-size: 18px; 
      color: var(--text-light); 
      line-height: 1.6; 
      text-align: center;
    }
    .number-desc1{
      background-color: var(--orange-pale);
      padding: 16px;
      border-radius: 16px;
    }
    .number-desc2{
      background-color: var(--blue);
      padding: 16px;
      border-radius: 16px;
    }
    .number-desc ul{ 
      font-size: 18px; 
      color: var(--text); 
    }
 
    .catch1{
      font-size: 24px;
      font-weight: 700;
      text-align: left;
      border-bottom: solid 1px var(--orange);
      margin: 0;
      padding: 8px 16px;
    }
    .catch1 p {
      position: relative;
      padding-left: 60px;
    }
     .catch1 p::before{
        content: "";
        position: absolute;
        top: 50%;
        left: 0px;
        transform: translateY(-50%);
        width: 26px;
        height: 26px;
        background: url("../img/display_img018.png") no-repeat center / contain;
    }

    .catch2{
      font-size: 24px;
      font-weight: 700;
      text-align: left;
      color: var(--white);
      border-bottom: solid 1px var(--white);
      margin: 0;
      padding: 8px 16px;
      position: relative;
    }
    .catch2 p {
      position: relative;
      padding-left: 60px;
    }
     .catch2 p::before{
        content: "";
        position: absolute;
        top: 50%;
        left: 0px;
        transform: translateY(-50%);
        width: 26px;
        height: 26px;
        background: url("../img/display_img018.png") no-repeat center / contain;
    }
    /* ===== CASE ===== */
    .case .inner {
      padding: 3% 0;
    }
    .cases {
      padding: 80px 0;
      background: var(--white);
    }
 
    .cases-grid {
      width: 100%;
      max-width: 1161px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      margin: 0 auto;
      gap: 32px;
      margin-top: 48px;
    }
 
    .case-card {
      border-radius: 14px;
      overflow: hidden;
      width: calc((100% - 32px) / 2);
      min-width: 320px;
      max-width: 594px;
      box-sizing: border-box;
      position: relative;
      display: inline-block;
    }
    .case-card img {
      display: block;
      width: 100%;
    }
    
    .case-card p {
      position: absolute;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      font-weight: 500!important;
      font-size: 24px!important;
      background:var(--orange);
      text-align: center;
      border-radius: 99px;
      width: 115px;
      height: 115px;
      top: 0;
      left: 0;
    }

    .case-header {
      background: var(--blue-dark);
      padding: 20px 28px;
      display: flex;
      align-items: center;
      gap: 14px;
    }
 
    .case-header-icon { 
      font-size: 28px; 
    }
    .case-header-text { 
      color: var(--white); 
    }
    .case-header-title { 
      font-size: 15px; 
      font-weight: 900;
    }
    .case-header-sub { 
      font-size: 11px; 
      color: rgba(255,255,255,0.7); 
      margin-top: 2px; 
    }
 
    .case-body { 
      padding: 28px;
      width: calc((100% - 32px) / 2);
      min-width: 320px;
      max-width: 466px;
      box-sizing: border-box;
    }
 
    .case-body h4{
      font-size: 32px;
    }

     .case-body p{
      line-height: 180%;
    }
    .case-result {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
 
    .case-result-label {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      color: var(--white);
      background: var(--orange);
      padding: 3px 10px;
      border-radius: 2px;
      white-space: nowrap;
    }
 
    .case-result-val {
      font-family: 'Montserrat', sans-serif;
      font-size: 24px;
      font-weight: 800;
      color: var(--orange);
    }
 
    .case-result-unit { font-size: 13px; color: var(--text-light); margin-left: 2px; }
 
    .case-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
 
    .case-list-item {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 13px;
      color: var(--text);
      line-height: 1.6;
    }
 
    .case-list-item::before { content: '✓'; color: var(--orange); font-weight: 900; flex-shrink: 0; }
 
    /* ===== FAQ ===== */
.c-faq {
  padding: 80px 0;
  background: var(--orange-pale);
}


.c-faq .text-blue,
.c-faq .c-sec-ttl__en,
.c-faq .c-sec-ttl__ja,
.c-faq .c-faq__q,
.c-faq .c-faq__q span,
.c-faq .c-faq__a span {
  color: #f78934 !important;
}

.c-faq .c-sec-ttl__icon {
  border-color: #f78934 !important;
}

.c-faq .c-sec-ttl__icon::after {
  background-color: #f78934 !important;
}

.c-faq .c-faq__q::before,
.c-faq .c-faq__q::after {
  background: #f78934 !important;
}
 
.c-faq__item {
  border-color: #F78934;
}
.c-sec-ttl__icon {
  border-color: #F78934;
}
 

.faq .section-ttl-wrap {
  text-align: left;
  margin-bottom: 0;
}
 
.faq .section-ttl-wrap h2::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  background: var(--orange);
  border-radius: 50%;
  flex-shrink: 0;
  margin-right:1%;
}
 
.faq .section-ttl {
  font-size: 28px;
  color: var(--dark);
}
 
.faq .section-ttl--ja {
  margin-top: 6px;
  margin-left: 30px;
  color: var(--orange);
  font-size: 12px;
}
 
.faq-list {
  display: flex;
  flex-direction: column;
  max-width: 1100px;
  margin: 40px auto 0;
}
 
.faq-item {
  background: transparent;
  border-radius: 0;
  overflow: visible;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: 32px 0;
}
 
.faq-item:first-child {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}
 
.faq-q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 20px;
  position: relative;
}
 
.faq-q::after {
  content: '—';
  position: absolute;
  right: 0;
  font-size: 16px;
  font-weight: 400;
  color: var(--text-light);
}
 
.faq-q-icon {
  font-family: 'Prompt', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--orange);
  flex-shrink: 0;
  width: auto;
  height: auto;
  background: none;
  border-radius: 0;
  display: inline;
}
 
.faq-a {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.85;
}
 
.faq-a-icon {
  font-family: 'Prompt', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  flex-shrink: 0;
  width: auto;
  height: auto;
  background: none;
  border-radius: 0;
  display: inline;
}

/*---SP---*/
@media (max-width: 767px) {
  /*--common--*/
  section{
    width: 100%;
  }
  .inner{
    width: auto;
  }
  /*--hero--*/
  .hero picture,
  .hero picture img {
    width: 100%;
    height: auto;
    display: block;
  }
  /*--probrems--*/
  .problems .inner{
    padding: 16px;
  }
  .problems .section-ttl{
    font-size: 24px;
  }
  .problems .section-ttl::before{
    width: 30px;
    height: 30px;
    left: -30px;
  }
  .problems .section-ttl::after{
    width: 30px;
    height: 30px;
    right: -30px;
  }
  /*--about--*/
  .about .inner{
    width: auto;
    padding: 16px;
  }
  .about-label{
    left: 25%;
  }
  .steps-grid{
    flex-direction: column;
    align-items: center;
  }
  .step-card{
    height: auto;
  }
  /*--why--*/
  .why .inner{
    padding: 16px;
  }
  .why-heading{
    font-size: 24px;
  }
  .why-grid{
    width: auto;
    padding: 16px;
  }
  .why-list li{
    font-size: 16px;
  }
  /*--nedessary--*/
  .necessary .inner{
    padding: 16px;
  }
  .necessary .section-ttl{
    font-size: 20px;
  }
  .necessary-flow{
    gap:20px;
  }
  .necessary-flow p{
    font-size: 16px;
  }
  /*--merit--*/
  .merit .inner{
    padding: 16px;
  }
  .cases-grid{
    width: auto;
    flex-direction: column;
  }
  .case-card{
    width: auto;
  }
  .case-body{
    width: auto;
  }
  /*--case--*/
  .case{
    height: auto;
  }
  .case .inner{
    padding: 16px;
  }
  .numbers-grid{
    flex-direction: column;
  }
  .number-card{
    width: auto;
    padding: 16px;
  }
  .number-val{
    font-size: 24px;
  }
  /*--faq--*/
  .c-faq .inner{
    padding: 16px;
  }
}