/**** topSolar section（トップページ 太陽光発電事業） ****/

/* 直前の「選ばれる理由」との間をあけない（common.css の margin-bottom を打ち消す） */
.topReason .sectionInner .reasonPoint {
  margin-bottom: 0;
}

.topSolar {
  width: 100%;
  overflow: hidden;
  margin-bottom: 100px;
}
.topSolar img {
  display: block;
  width: 100%;
  height: auto;
}
.topSolar .solarEn {
  font-family: "Open Sans", sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #1E5BB8;
}

/*** メインビジュアル ***/
.solarMv {
  position: relative;
  background: #DCEBFA;
}
.solarMv .solarMvBg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}
.solarMv .solarMvNote {
  position: absolute;
  right: 12px;
  bottom: 8px;
  z-index: 3;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  color: #fff;
  font-weight: 500;
  text-shadow:
    0 0 2px rgba(0, 0, 0, 0.9),
    0 0 4px rgba(0, 0, 0, 0.8),
    0 0 8px rgba(0, 0, 0, 0.6),
    0 0 14px rgba(0, 0, 0, 0.4);
}
.solarMv .solarMvInner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: calc(100% - 40px);
  margin: 0 auto;
  padding: 45px 0 40px;
}
.solarMv .solarTitle {
  margin-top: 4px;
  font-size: 26px;
  font-weight: bold;
  letter-spacing: 0.08em;
  color: #0A2E7E;
}
.solarMv .solarSubcatch {
  position: absolute;
  top: 45px;
  right: 0;
  width: 36%;
  max-width: 430px;
}
.solarMv .solarCatch {
  margin-top: 40px;
  width: 58%;
  max-width: 500px;
}
.solarMv .solarCatch picture,
.solarMv .solarCatch img {
  display: block;
  max-width: 500px;
}
.solarMv .solarLead {
  margin-top: 30px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: #1A1A1A;
  text-shadow: 0 0 4px #fff, 0 0 10px #fff, 0 0 16px #fff;
}
.solarMv .solarFeature {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 60px;
}
.solarMv .solarFeature li {
  width: calc((100% - 60px) / 4);
}
.solarMv .solarFeature picture {
  display: block;
  width: 90%;
  margin: 0 auto;
}
/* 円の下に重なるラベル */
.solarMv .solarFeatureLabel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  margin-top: -28px;
  padding: 8px 10px;
  border-radius: 30px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-align: center;
}
.solarMv .solarFeatureNote {
  margin-top: 15px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: #fff;
  font-weight: 500;
  text-shadow:
    0 0 2px rgba(0, 0, 0, 0.9),
    0 0 4px rgba(0, 0, 0, 0.8),
    0 0 8px rgba(0, 0, 0, 0.6),
    0 0 14px rgba(0, 0, 0, 0.4);
}
.solarMv .feature01 .solarFeatureLabel { background: #1D4FC4; }
.solarMv .feature02 .solarFeatureLabel { background: #EE7F22; }
.solarMv .feature03 .solarFeatureLabel { background: #17785A; }
.solarMv .feature04 .solarFeatureLabel { background: #2949B0; }

/*** FINE-FLEX ***/
.solarFlex {
  background: linear-gradient(180deg, #F2F7FD 0%, #FFFFFF 100%);
  padding: 60px 0 80px;
}
.solarFlex .solarFlexInner {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
  width: calc(100% - 40px);
  margin: 0 auto;
}
/* 端をぼかして背景になじませる */
.solarFlex .solarFlexImg {
  width: 45%;
}
.solarFlex .solarFlexImg img {
  -webkit-mask-image: radial-gradient(ellipse at center, #000 62%, transparent 100%);
  mask-image: radial-gradient(ellipse at center, #000 62%, transparent 100%);
}
.solarFlex .solarFlexTxt {
  flex: 1;
}
.solarFlex .solarFlexTitle {
  margin-top: 8px;
  font-family: 'Noto Serif JP', serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: #0A2E7E;
}
.solarFlex .solarFlexText {
  margin-top: 24px;
  font-size: 17px;
  line-height: 2;
}
.solarFlex .solarBtn {
  position: relative;
  display: block;
  margin-top: 36px;
  width: 100%;
  max-width: 360px;
  padding: 18px 50px;
  border-radius: 40px;
  background: #F3892A;
  box-shadow: 0 4px 12px rgba(243, 137, 42, 0.3);
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 0.1em;
  text-align: center;
  transition: background 0.3s;
}
.solarFlex .solarBtn::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 28px;
  width: 10px;
  height: 10px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: translateY(-50%) rotate(45deg);
  transition: right 0.3s;
}
.solarFlex .solarBtn:hover {
  background: #E57610;
}
.solarFlex .solarBtn:hover::after {
  right: 22px;
}


@media only screen and (max-width: 1200px) {
  .solarMv .solarLead {
    font-size: 16px;
  }
  .solarMv .solarFeatureLabel {
    font-size: 14px;
  }
  .solarFlex .solarFlexInner {
    gap: 40px;
  }
  .solarFlex .solarFlexTitle {
    font-size: 32px;
  }
  .solarFlex .solarFlexText {
    font-size: 16px;
  }
}

@media only screen and (max-width: 890px) {
  /* topReason の左右padding(15px)を打ち消して画面幅いっぱいに */
  .topSolar {
    width: auto;
    margin: 0 -15px 50px;
  }
  .topSolar .pc_br {
    display: none;
  }
  .topSolar .solarEn {
    font-size: 14px;
  }

  /* 背景の上の文字を読みやすくする */
  .solarMv::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.3) 60%, rgba(255, 255, 255, 0) 100%);
  }
  .solarMv .solarMvInner {
    z-index: 2;
    padding: 30px 0;
  }
  .solarMv .solarTitle {
    font-size: 22px;
  }
  .solarMv .solarSubcatch {
    position: static;
    width: 75%;
    max-width: 360px;
    margin: 20px 0 0 auto;
  }
  .solarMv .solarCatch {
    margin-top: 15px;
    width: 100%;
  }
  .solarMv .solarLead {
    margin-top: 20px;
    font-size: 15px;
  }
  .solarMv .solarFeature {
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 30px;
  }
  .solarMv .solarFeature li {
    width: calc((100% - 15px) / 2);
  }
  .solarMv .solarFeatureLabel {
    min-height: 48px;
    margin-top: -16px;
    font-size: 12px;
  }

  .solarFlex {
    padding: 40px 0 50px;
  }
  .solarFlex .solarFlexInner {
    flex-direction: column;
    gap: 30px;
  }
  .solarFlex .solarFlexImg {
    width: 100%;
    max-width: 520px;
  }
  .solarFlex .solarFlexTitle {
    font-size: 26px;
  }
  .solarFlex .solarFlexText {
    margin-top: 18px;
    font-size: 15px;
    line-height: 1.9;
  }
  .solarFlex .solarBtn {
    margin: 30px auto 0;
    font-size: 16px;
    padding: 16px 50px;
  }
}

@media only screen and (max-width: 420px) {
  .solarFlex .solarFlexTitle {
    font-size: 22px;
  }
}