body {
  font-family: "Noto Sans JP", sans-serif;
  color: #333;
}

.content-header {
  flex-direction: column;
  width: 100%;
  background: url("../images/header_bg-sp.png") no-repeat center center/cover;
  min-height: 208px;
}
@media (min-width: 47.9375em) {
  .content-header {
    min-height: 240px;
    background: url("../images/header_bg.png") no-repeat center center/cover;
  }
}
.content-header h1 {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  font-weight: bold;
  line-height: 1.4;
  font-size: 30px;
  gap: 4px;
}
@media (min-width: 47.9375em) {
  .content-header h1 {
    font-size: calc(30px + 10 * (100vw - 768px) / 392);
  }
}
@media (min-width: 72.5em) {
  .content-header h1 {
    font-size: 40px;
  }
}
.content-header h1:before {
  content: "";
  aspect-ratio: 1/1;
  width: 48px;
  background: url("../images/sp-icon.svg") no-repeat center center/cover;
}
@media (min-width: 47.9375em) {
  .content-header h1:before {
    width: calc(48px + 8 * (100vw - 768px) / 392);
  }
}
@media (min-width: 72.5em) {
  .content-header h1:before {
    width: 56px;
  }
}

#overview {
  padding-bottom: 40px !important;
}
@media (min-width: 47.9375em) {
  #overview {
    padding-bottom: 80px !important;
  }
}
#overview .overview__contents {
  background-color: #f2f2f2;
  border-radius: 32px;
  padding: 32px 16px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 20px;
  flex-direction: column;
}
@media (min-width: 47.9375em) {
  #overview .overview__contents {
    flex-direction: row;
    padding: 40px;
    gap: 48px;
  }
}
#overview .overview__contents .overview__image {
  width: 100%;
}
@media (min-width: 47.9375em) {
  #overview .overview__contents .overview__image {
    width: 43.4615384615%;
  }
}
#overview .overview__contents .overview__image img {
  width: 100%;
  height: auto;
}
#overview .overview__contents .overview__text {
  line-height: 1.8;
  font-weight: bold;
  font-size: 16px;
  margin: 0;
}
@media (min-width: 47.9375em) {
  #overview .overview__contents .overview__text {
    font-size: 18px;
  }
}

#strength .strength__itemlist {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 16px;
  width: 100%;
  margin-bottom: 16px;
}
@media (min-width: 47.9375em) {
  #strength .strength__itemlist {
    gap: 28px;
    margin-bottom: 28px;
  }
}
#strength .strength__itemlist .strength-item {
  position: relative;
  min-width: 300px;
  width: 100%;
  background-color: #fff;
  border: 1px solid #0c0b86;
  border-radius: 32px;
  overflow: hidden;
  padding: 40px 16px 32px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-direction: column;
}
@media (min-width: 47.9375em) {
  #strength .strength__itemlist .strength-item {
    padding: 40px 24px 32px;
    width: calc((100% - 56px) / 3);
  }
}
#strength .strength__itemlist .strength-item__number {
  aspect-ratio: 1/1;
  position: absolute;
  top: 0;
  left: 0;
  background-color: #0c0b86;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  color: #fff;
  font-weight: bold;
  line-height: 1;
  font-size: 12px;
  width: 72px;
}
#strength .strength__itemlist .strength-item__number span {
  font-family: "Roboto", sans-serif;
  display: block;
  line-height: 1;
  font-weight: bold;
  font-size: 24px;
}
#strength .strength__itemlist .strength-item__image {
  aspect-ratio: 1/1;
  width: 100px;
  margin: 0 auto 20px;
}
@media (min-width: 47.9375em) {
  #strength .strength__itemlist .strength-item__image {
    margin: 0 auto 28px;
  }
}
#strength .strength__itemlist .strength-item__image img {
  width: 100%;
  height: auto;
}
#strength .strength__itemlist .strength-item__title {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  flex-grow: 2;
  margin: 0;
  font-weight: bold;
  line-height: 1.5;
  font-size: 18px;
  text-align: center;
  color: #0c0b86;
  margin-bottom: 16px;
}
@media (min-width: 47.9375em) {
  #strength .strength__itemlist .strength-item__title {
    font-size: 20px;
  }
}
#strength .strength__itemlist .strength-item__text {
  margin: 0;
  line-height: 1.5;
  font-size: 16px;
}
#strength .strength__itemlist .strength-item__text span {
  font-weight: bold;
  color: #e93817;
}
#strength .strength-system {
  background-color: #fff;
  border: 1px solid #0c0b86;
  border-radius: 32px;
  overflow: hidden;
  padding: 16px;
}
@media (min-width: 47.9375em) {
  #strength .strength-system {
    padding: 50px 120px 70px;
  }
}
#strength .strength-system img {
  width: 100%;
  height: auto;
}

#problem {
  padding-bottom: 40px !important;
}
@media (min-width: 47.9375em) {
  #problem {
    padding-bottom: 80px !important;
  }
}
#problem h2 {
  margin-bottom: 43px;
}
@media (min-width: 47.9375em) {
  #problem h2 {
    margin-bottom: 55px;
  }
}
#problem h2 span {
  display: inline-block;
  position: relative;
  text-align: center;
  line-height: 1.4;
  font-size: 20px;
  padding: 14px 40px;
  background-color: #0c0b86;
  border-radius: 80px;
  color: #fff;
}
@media (min-width: 47.9375em) {
  #problem h2 span {
    padding: 12px 54px;
    font-size: 28px;
  }
}
#problem h2 span:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 100%);
  width: 35px;
  height: 15px;
  background-image: url("../images/problem-polygon.svg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}
#problem h2:after {
  display: none;
}
#problem .problem__itemlist {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 16px;
  flex-direction: column;
}
@media (min-width: 47.9375em) {
  #problem .problem__itemlist {
    flex-direction: row;
    gap: 24px;
  }
}
#problem .problem__itemlist li {
  margin: 0;
  width: 100%;
  height: auto;
}
#problem .problem__itemlist li img {
  width: 100%;
  height: auto;
}

.municipality .municipality__image img {
  width: 100%;
  height: auto;
}