@charset "UTF-8";
ul,
ol {
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}
li {
  list-style: none;
}
li::marker {
  content: "";
}
img {
  width: 100%;
}

.city-gas {
  margin-top: 30px;
}
.city-gas picture {
  display: block;
}
.city-gas picture img {
  display: block;
  width: 100%;
  height: auto;
}
.city-gas-top-message {
  display: block;
  max-width: 650px;
  margin-bottom: 17.75px;
  margin-inline: auto;
}
@media (max-width: 768px) {
  .city-gas-top-message {
    width: 93%;
    margin-bottom: 11.29px;
  }
}
.city-gas-inner {
  /* width: min(960px, calc(100% - 40px)); */
  max-width: 960px;
  margin: 0 auto;
  overflow: hidden;
  background-color: #72ce63;
  border: solid 4px #000;
  border-radius: 20px;
}
@media (max-width: 768px) {
  .city-gas-inner {
    width: 89.333333%;
    border: solid 3px #000;
  }
}
.city-gas-fv {
  margin-top: -3px;
}
.city-gas-benefit {
  text-align: center;
  margin: 60px 3.8% 50px;
  padding: 21px 0 38px;
  background-color: #fff;
  border-radius: 10px;
}
@media (max-width: 768px) {
  .city-gas-benefit {
    margin: 21px 3.8% 34px;
    padding: 20px 0 22px;
  }
}
.city-gas-benefit__title {
  max-width: 634.44px;
  margin-inline: auto;
}
@media (max-width: 768px) {
  .city-gas-benefit__title {
    max-width: 400px;
    width: 69.45%;
  }
}
.city-gas-benefit__inner {
  margin: 21px 34px 0;
}
@media (max-width: 768px) {
  .city-gas-benefit__inner {
    margin: 20px 0 0;
  }
}
.city-gas-benefit__head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-bottom: 12px;
  font-weight: 900;
}
@media (max-width: 768px) {
  .city-gas-benefit__head {
    margin: 0 10px 6px;
    gap: 4px;
  }
}
.city-gas-benefit__number {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #409445;
  color: #fff;
  font-family: "Oswald", sans-serif;
  font-size: 21px;
  font-weight: 600;
}
@media (max-width: 768px) {
  .city-gas-benefit__number {
    width: 25px;
    height: 25px;
    font-size: 16px;
  }
}
.city-gas-benefit__item:not(:last-child) {
  margin-bottom: 46px;
}
@media (max-width: 768px) {
  .city-gas-benefit__item:not(:last-child) {
    margin-bottom: 14px;
  }
}
.city-gas-benefit__item-title {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.182;
}
@media (max-width: 768px) {
  .city-gas-benefit__item-title {
    font-size: 17px;
    letter-spacing: -0.03em;
  }
}
.city-gas-benefit__card-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
@media (max-width: 768px) {
  .city-gas-benefit__card-wrap {
    flex-direction: column;
    gap: 8px;
  }
}
.city-gas-benefit__card {
  width: 100%;
  padding: 20px 5px 21px;
  background-color: #ffee49;
  border: 4px solid #0c361c;
  border-radius: 10px;
  font-family: "Noto Sans JP", sans-serif;
}
@media (max-width: 768px) {
  .city-gas-benefit__card {
    max-width: 350px;
    width: 90%;
    margin-inline: auto;
    padding: 12px 0 15px;
    border: 2.56px solid #0c361c;
  }
}
.city-gas-benefit__card-title {
  margin-bottom: 11px;
  font-size: 23px;
  font-weight: 900;
  line-height: 1.13;
}
@media (max-width: 768px) {
  .city-gas-benefit__card-title {
    font-size: 18px;
  }
}
.city-gas-benefit__card-text {
  margin-inline: auto;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.529;
}
@media (max-width: 768px) {
  .city-gas-benefit__card-text {
    margin-top: 5px;
    font-size: 14px;
    line-height: 1.429;
  }
}
.city-gas-benefit__card-text span {
  color: #03820e;
  font-weight: 900;
}
.city-gas-simulation {
  margin-bottom: 68px;
}
@media (max-width: 768px) {
  .city-gas-simulation {
    margin-bottom: 30px;
  }
}
.city-gas-simulation__title {
  max-width: 428px;
  margin-inline: auto;
  margin-bottom: 11px;
}
@media (max-width: 768px) {
  .city-gas-simulation__title {
    width: 97.5%;
    margin-bottom: 0;
  }
}
.city-gas-simulation__area {
  max-width: 772px;
  width: 80%;
  margin-inline: auto;
  font-family: "Noto Sans JP", sans-serif;
}
.city-gas-simulation__area:not(:last-child) {
  margin-bottom: 40px;
}
@media (max-width: 768px) {
  .city-gas-simulation__area:not(:last-child) {
    margin-bottom: 20px;
  }
}
@media (max-width: 768px) {
  .city-gas-simulation__area {
    width: 92.84%;
  }
}
.city-gas-simulation__head {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 60px;
  color: #fff;
  background-color: #000;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  font-size: 24px;
  font-weight: 700;
}
@media (max-width: 768px) {
  .city-gas-simulation__head {
    height: 40px;
    font-size: 18px;
  }
}
.city-gas-simulation__container {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  padding: 27px 2px 32px;
  background-color: #fff;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}
@media (max-width: 768px) {
  .city-gas-simulation__container {
    flex-direction: column;
    gap: 25px;
    padding: 10px 2px 14px;
  }
}
.city-gas-simulation__item {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 0 2% 0;
}
.city-gas-simulation__item:not(:last-child) {
  border-right: 1px solid #ededed;
}
.city-gas-simulation__text {
  text-align: center;
  margin-bottom: 26px;
}
@media (max-width: 768px) {
  .city-gas-simulation__text {
    margin-bottom: 10px;
  }
}
.city-gas-simulation__text--main {
  font-size: 18px;
  font-weight: 900;
}
@media (max-width: 768px) {
  .city-gas-simulation__text--main {
    margin-top: 0px;
  }
}
.city-gas-simulation__text--sub {
  font-size: 15px;
  line-height: 1.467;
}
@media (max-width: 768px) {
  .city-gas-simulation__text--sub {
    font-size: 14px;
  }
}
.city-gas-simulation__text .marker-range {
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  background: linear-gradient(transparent 65%, #ffeb51 65%);
}
.city-gas-simulation__text .large-number {
  font-size: 28px;
}
.city-gas-simulation__graph {
  max-width: 180px;
  margin-top: auto;
  margin-inline: auto;
}
.city-gas-simulation__graph img {
  display: block;
  width: 100%;
  height: auto;
}
.city-gas-simulation__annotation {
  margin-top: 13px;
  font-size: 10px;
  line-height: 1.4;
}
@media (max-width: 768px) {
  .city-gas-simulation__annotation {
    margin-top: 10px;
    line-height: 1.2;
  }
}
.city-gas-flow {
  max-width: 772px;
  width: 80%;
  margin-inline: auto;
  background-color: #fff;
  border-radius: 20px;
}
@media (max-width: 768px) {
  .city-gas-flow {
    width: 92.84%;
  }
}
.city-gas-flow__inner {
  padding: 31.29px 22px 22px;
}
@media (max-width: 768px) {
  .city-gas-flow__inner {
    padding: 20px 10px 20px;
  }
}
.city-gas-flow__title {
  max-width: 518.25px;
  margin-inline: auto;
  margin-bottom: 11.84px;
}
@media (max-width: 768px) {
  .city-gas-flow__title {
    width: 76.9%;
    margin-bottom: 0;
  }
}
.city-gas-flow__text {
  text-align: center;
  margin-bottom: 29px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.625;
}
@media (max-width: 768px) {
  .city-gas-flow__text {
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.429;
  }
}
.city-gas-flow__item {
  position: relative;
  padding: 32px 30px 32px 6.85%;
  background-color: #f7f7f7;
  border-radius: 7px;
}
@media (max-width: 768px) {
  .city-gas-flow__item {
    width: 100%;
    padding: 10px 18px 16px;
  }
}
.city-gas-flow__item:not(:last-child) {
  margin-bottom: 23px;
}
@media (max-width: 768px) {
  .city-gas-flow__item:not(:last-child) {
    margin-bottom: 14px;
  }
}
.city-gas-flow__item:not(:last-child)::before {
  content: "";
  position: absolute;
  background: url(/assets/img/citygas/arrow-green.svg) no-repeat
    center/contain;
  width: 37px;
  height: 37px;
  right: 50%;
  bottom: -38px;
  transform: translateY(-50%);
}
@media (max-width: 768px) {
  .city-gas-flow__item:not(:last-child)::before {
    width: 26px;
    right: 45%;
  }
}
.city-gas-flow__item-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 39px;
}
@media (max-width: 768px) {
  .city-gas-flow__item-inner {
    flex-direction: column;
    align-items: flex-start;
    width: fit-content;
    margin: 0 auto;
    gap: 6px;
  }
}
.city-gas-flow__step {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 70px;
  height: 23px;
  border-radius: 11.5px;
  background-color: #409445;
  color: #fff;
  font-family: "Oswald", sans-serif;
  font-size: 16px;
  font-weight: 500;
}
@media (max-width: 768px) {
  .city-gas-flow__step {
    font-size: 14px;
  }
}
.city-gas-flow__item-title {
  margin-top: 7px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.684;
  font-feature-settings: "palt";
}
@media (max-width: 768px) {
  .city-gas-flow__item-title {
    margin-top: 1px;
    font-size: 15px;
  }
}
.city-gas-flow__image {
  max-width: 279px;
}
.city-gas-cta {
  margin: 47px 0 47.81px;
}
@media (max-width: 768px) {
  .city-gas-cta {
    margin: 23px 0 32px;
  }
}
.city-gas-cta a {
  position: relative;
  padding: 9px 20px 18px;
  max-width: 613px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  margin: 0 auto;
  font-size: 29px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  background: #ffee00;
  border-radius: 100px;
  transition: 0.3s ease;
}
@media (max-width: 768px) {
  .city-gas-cta a {
    padding: 5px 18px 10px 0px;
    max-width: 400px;
    width: 92%;
    font-size: 15px;
  }
}
.city-gas-cta a::before {
  content: "";
  position: absolute;
  background: url(/assets/img/arrow-right.svg) no-repeat center/contain;
  width: 37px;
  height: 37px;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
}
@media (max-width: 768px) {
  .city-gas-cta a::before {
    width: 24px;
    height: 24px;
    right: 14px;
  }
}
.city-gas-cta a:hover {
  background: #fff;
}
.city-gas-cta a span {
  line-height: 1;
  font-size: 45px;
}
@media (max-width: 768px) {
  .city-gas-cta a span {
    font-size: 30px;
  }
}
.city-gas-toggle-button {
  width: 100%;
  height: 43px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9.12px;
  padding-top: 3px;
  color: #fff;
  background: #000;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  font-size: 18.71px;
  font-weight: 900;
  line-height: 2.202;
}
.city-gas-toggle-button__icon {
  width: 23.32px;
}
.city-gas-toggle-button.is-open .city-gas-toggle-button__icon {
  transform: rotate(180deg);
}
.city-gas .display-pc {
  display: block;
}
@media (max-width: 768px) {
  .city-gas .display-pc {
    display: none;
  }
}
.city-gas .display-sp {
  display: none;
}
@media (max-width: 768px) {
  .city-gas .display-sp {
    display: block;
  }
}
.city-gas .js-city-gas-toggle-area {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.city-gas .js-city-gas-toggle-area.is-open {
  max-height: 4000px;
}
@media (max-width: 768px) {
  .city-gas .js-city-gas-toggle-area.is-open {
    max-height: 5000px;
  }
}
.container-middle .city-gas-inner {
  width: 100%;
}