body {
  font-family: 'Noto Serif JP', serif;
  letter-spacing: 0.03em;
  color: #454545;
  margin: 0;
}
h2 {
  margin: 0;
}
h3 {
  margin: 0;
  font-weight: 400;
}
h4 {
  margin: 0;
  font-weight: 400;
}
img {
  max-width: 100%;
}
section {
  padding: 50px 20px;
}
.wrapper {
  max-width: 520px;
  margin: auto;
}
p,
li {
  font-size: 15px;
  line-height: 1.8em;
}
button {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px;
  padding: 1.1em 2.4em;
  letter-spacing: 0.15em;
  font-weight: 500;
  background-color: #fff;
  border: none;
  border-radius: 45px;
  box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease 0s;
  cursor: pointer;
  outline: none;
  margin: 20px 0;
}
button:hover {
  background-color: rgba(142, 106, 87, 0.7);
  box-shadow: 0px 15px 20px rgba(142, 106, 87, 0.4);
  color: #fff;
  transform: translateY(-2px);
}
button:active {
  border: none;
  outline: none;
  transform: translateY(5px);
}
.title {
  font-size: 29px;
  font-weight: 500;
  position: relative;
  padding: 1.5rem;
  text-align: center;
}
.title h2 {
  font-size: 19px;
  font-weight: 400;
  display: block;
  margin: 10px 0 30px;
}
.title:before {
  position: absolute;
  bottom: 20px;
  left: calc(50% - 30px);
  width: 60px;
  height: 5px;
  content: '';
  border-radius: 3px;
  background: linear-gradient(45deg, #69B3AE, #73a5c9);
}
.floating-banner {
  display: inline-block;
  position: fixed;
  z-index: 1;
  bottom: 0;
  right: -10px;
  cursor: pointer;
}
.floating-banner a {
  text-decoration: none;
}
.floating-banner__inactive {
  opacity: 0;
  visibility: hidden;
}
.banner {
  width: 100vw;
  padding: 15px 10px;
  background: linear-gradient(86.13deg, #8BCDCE -3.42%, #559A98 59.59%);
  color: #fff;
  text-align: center;
}
.banner__text {
  font-size: 20px;
  line-height: 1em;
}
.button__description {
  text-align: center;
  font-size: 14px;
  position: relative;
  padding: 0.5em;
  width: 90%;
  margin: 0 auto -15px;
}
.button__description::before,
.button__description::after {
  color: #767676;
  position: absolute;
  top: 0.9rem;
  height: 1.2rem;
  content: '';
}
.button__description::before {
  border-left: solid 2px;
  left: calc(50% - 130px);
  transform: rotate(-30deg);
}
.button__description::after {
  border-right: solid 2px;
  right: calc(50% - 130px);
  transform: rotate(30deg);
}
.about {
  background: #f6f3f1;
}
.about a {
  color: #2e2422;
  text-decoration: none;
  cursor: pointer;
}
.about a:active {
  color: #707070;
}
.about__title {
  line-height: 35px;
  font-size: 19px;
  color: #2e2422;
  width: 300px;
  position: absolute;
}
.about__title__circle {
  text-align: center;
  margin: 20px auto;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
  border-radius: 90px;
  background: radial-gradient(#fdf6ea 0%, #f7f7f7 80%);
  position: relative;
}
.about__methods {
  width: 85%;
  margin: 25px auto;
  display:flex;
  flex-flow: column;
  gap: 16px;
  text-align: center;
  letter-spacing: 0.1em;
}
.about__method {
  position: relative;
  display: block;
  background: linear-gradient(-25deg, #f1f7f7 40%, #eaf3f3 0);
  border-radius: 80px;
  padding: 24px 12px;
}
.about__method__title {
  font-size: 19px;
  padding-bottom: 8px;
}
.about__method__description {
  font-size: 14px;
}
.about__method img {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%) rotate(-90deg);
  width: 30px;
  height: auto;
  filter: brightness(0.9);
}
.footer {
  text-align: center;
  background: #f5f5f5;
  padding: 40px 10px;
}
.footer a {
  color: #454545;
  text-decoration: none;
  line-height: 20px;
  font-size: 13px;
  cursor: pointer;
}
.footer img {
  padding: 13px 0;
  height: 40px;
  cursor: pointer;
}
.footer__c {
  font-size: 13px;
  line-height: 0;
}
@media screen and (min-width: 540px) {
  .top__text {
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
  }
  .top__text__topics {
    display: flex;
    position: relative;
    top: 20%;
    width: 100%;
    justify-content: center;
    grid-gap: 6%;
    margin: 3vw 0;
  }
  .top__text__topic__img {
    width: 17vw;
  }
  .top__text__topic p {
    position: absolute;
    text-align: center;
    top: 20%;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    font-size: 2vw;
    color: #b8860b;
  }
  .top__text__topic__large {
    margin: 0.15em;
    font-size: 3.2vw;
  }
  .top__text__title {
    margin: 0;
    font-size: 3.5vw;
    letter-spacing: 0.12em;
    line-height: 1.6em;
  }
  .top__entry {
    font-size: 3vw;
    border-width: 2px;
  }
  .top__text__info {
    font-size: 2vw;
  }
}
@media screen and (max-width: 959px) {
  .pc-only {
    display: none;
  }
}
@media screen and (min-width: 960px) {
  section {
    padding: 120px 0;
  }
  .wrapper {
    max-width: 100vw;
    width: 800px;
    margin: auto;
  }
  p,
  li {
    font-size: 15px;
    line-height: 1.8em;
  }
  button {
    font-family: 'Noto Serif JP', serif;
    font-size: 17px;
    padding: 1.1em 2.4em;
    letter-spacing: 0.15em;
    font-weight: 500;
    background-color: #fff;
    border: none;
    border-radius: 45px;
    box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease 0s;
    cursor: pointer;
    outline: none;
    margin: 25px 0;
  }
  button:hover {
    background-color: rgba(142, 106, 87, 0.7);
    box-shadow: 0px 15px 20px rgba(142, 106, 87, 0.4);
    color: #fff;
    transform: translateY(-2px);
  }
  button:active {
    border: none;
    outline: none;
    transform: translateY(5px);
  }
  .sp-only {
    display: none;
  }
  .title {
    font-size: 36px;
    font-weight: 500;
    position: relative;
    padding: 1.5rem;
    text-align: center;
  }
  .title h2 {
    font-size: 20px;
    font-weight: 400;
    display: block;
    margin: 10px 0 50px;
  }
  .title:before {
    position: absolute;
    bottom: 30px;
    left: calc(50% - 30px);
    width: 60px;
    height: 5px;
    content: '';
    border-radius: 3px;
    background: linear-gradient(45deg, #69B3AE, #73a5c9);
  }
  .button__description {
    text-align: center;
    font-size: 15px;
    position: relative;
    padding: 0.5em;
    width: 90%;
    margin: 0 auto -15px;
  }
  .button__description::before {
    border-left: solid 2px;
    left: calc(50% - 155px);
    transform: rotate(-30deg);
  }
  .button__description::after {
    border-right: solid 2px;
    right: calc(50% - 155px);
    transform: rotate(30deg);
  }
  .nav__pc {
    position: absolute;
    right: 40px;
    margin: 16px 0;
    z-index: 1;
  }
  .nav__pc ul {
    display: flex;
    gap: 2.5vw;
    list-style: none;
    padding-left: 0;
  }
  .nav__pc li:before {
    content: "";
  }
  .nav__pc a {
    position: relative;
    padding-bottom: 10px;
    color: #2f2a25;
    font-weight: 500;
    text-decoration: none;
    font-size: min(1.1vw, 14px);
    cursor: pointer;
  }
  .nav__pc a:after {
    position: absolute;
    left: 0;
    content: '';
    width: 100%;
    height: 2px;
    background: #2e2422;
    bottom: -1px;
    transform: scale(0, 1);
    transform-origin: center top;
    transition: transform 0.3s;
    }
  .nav__pc a:hover::after {
    transform: scale(1, 1);
  }
  .nav__pc a:active {
    color: #707070;
  }
  .top {
    background-image: url(../img/main_pc.webp);
    background-size: cover;
    padding: 0;
    text-align: center;
    background-position: bottom;
  }
  .top__boxes {
    display: flex;
    flex-flow: column;
    gap: 2vw;
    position: absolute;
    top: 0;
    left: 10%;
    bottom: 0;
    width: 80%;
    text-align: center;
    align-items: center;
  }
  .top__text {
    display: flex;
    flex-direction: column;
    align-items: center;
    left: 10%;
    width: 80%;
  }
  .top__text__topics {
    display: flex;
    position: relative;
    top: 0;
    width: 60%;
    grid-gap: 8%;
    margin: 2vw 0;
  }
  .top__text__topic__img {
    width: 9.5vw;
  }
  .top__text__topic p {
    position: absolute;
    text-align: center;
    top: 18%;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    font-size: 1.2vw;
    color: #b8860b;
  }
  .top__text__topic__large {
    margin: 0.15em;
    font-size: 1.5vw;
  }
  .top__text__title {
    margin: 0;
    font-size: 1.6vw;
    letter-spacing: 0.12em;
    line-height: 1.6em;
  }
  .top__text__title__box {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
  }
  .top__text__img {
    height: 8vw;
  }
  .cta-buttons {
    bottom: 10%;
  }
  .top__entry {
    display: inline-block;
    font-size: 1.5vw;
    letter-spacing: 0.15em;
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    background: rgba(142,106,87,0.7);
    border: solid;
    border-width: 2px;
    border-radius: 5px;
    border-color: #fff;
    box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease 0s;
    outline: none;
  }
  .top__text__info {
    position: absolute;
    bottom: 3%;
    left: 0;
    width: 100%;
    font-size: 1.1vw;
  }
  .about {
    position: relative;
  }
  .about__icon5 {
    position: absolute;
    top: 15px;
    left: 0;
    width: 300px;
  }
  .about__methods {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 25px 0;
    gap: 20px;
  }
  .about__method {
    border-radius: 90px;
  }
  .about__method__title {
    font-size: 22px;
  }
  .about__method__description {
    font-size: 13px;
  }
  .footer {
    text-align: center;
    background: #f5f5f5;
    position: relative;
    padding: 60px 10px;
  }
  .footer a {
    color: #454545;
    text-decoration: none;
    line-height: 20px;
  }
  .footer__below {
    display: flex;
    justify-content: center;
    gap: 3%;
  }
  .footer img {
    padding: 7px 0;
    height: 40px;
    cursor: pointer;
  }
  .footer__c {
    margin-top: 30px;
    line-height: 0;
  }
}