.contents {
  font-family: 'Noto Sans JP', sans-serif;
  margin-top: 70px;
}
.contents .h1, .contents .h2, .contents .h3, .contents .h4, .contents .h5, .contents .h6, .contents h1, .contents h2, .contents h3, .contents h4, .contents h5, .contents h6 {
  margin-top: 0;
  margin-bottom: 0;
}
.contents .col-2, .contents .col-3, .contents .col-4 {
  flex: 0;
  max-width: 100%;
  padding: 0;
}
@media screen and (max-width: 900px) {
  .contents {
    margin-top: 60px;
  }
}

p {
  margin: 0;
  line-height: 1.75;
}

.mv {
  background-color: #FED800;
}
@media screen and (max-width: 900px) {
  .mv .container {
    width: 100% !important;
    padding: 0 !important;
  }
}

.sec1 {
  background-color: #fff;
  background-image: radial-gradient(#fff301 20%, transparent 23%), radial-gradient(#fff301 20%, transparent 23%);
  background-position: 0 0, 8px 8px;
  background-size: 16px 16px;
}
.sec1 .container {
  padding: 40px 0 60px;
}
.sec1 .index_wrap {
  padding: 40px 0 0;
}
.sec1 .index_wrap .index {
  margin-bottom: 0;
}
.sec1 h3 {
  margin-bottom: 40px;
}
.sec1_1 {
  margin-bottom: 20px;
}
.sec1_2 {
  margin-bottom: 60px;
}
.sec1_present {
  margin-bottom: 60px;
}
.sec1 .col-2 {
  margin-bottom: 10px;
}
@media screen and (max-width: 900px) {
  .sec1 {
    background-size: 14px 14px;
  }
  .sec1 .container {
    padding: 40px 0 0;
  }
  .sec1 .index_wrap {
    width: 100%;
    padding: 0;
  }
  .sec1 .index_wrap .col-3 {
    flex-direction: row;
    margin-bottom: 0;
  }
  .sec1 .index_wrap .col-3 > * {
    width: calc(100% / 3);
    margin: 0;
  }
  .sec1 .index_wrap .col-3 > *:nth-of-type(n+2) {
    margin: 0;
  }
  .sec1 .index, .sec1 h3, .sec1_2, .sec1_present {
    margin-bottom: 20px;
  }
  .sec1 .col-2 {
    margin-bottom: 0;
    padding-bottom: 40px;
  }
}

.sec2 {
  background-color: #FDF2F3;
}
.sec2 .container {
  padding: 30px 0 40px;
}
.sec2 h4 {
  margin-bottom: 30px;
}
.sec2_period_wrap {
  margin-bottom: 15px;
}
.sec2_period {
  width: 80%;
  margin: 0 auto;
}
.sec2_charity {
  width: 125px;
  right: 0;
  top: 0;
  transform: translateY(-70%);
}
.sec2_car, .sec2_term {
  margin-bottom: 10px;
}
.sec2_note {
  color: #000;
  margin-bottom: 20px;
  font-weight: 500;
}
.sec2_note_red {
  color: #E10512;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 10px;
}
@media screen and (max-width: 900px) {
  .sec2 {
    background-color: #fff;
    background-image: radial-gradient(#fff301 20%, transparent 23%), radial-gradient(#fff301 20%, transparent 23%);
    background-position: 0 0, 8px 8px;
    background-size: 14px 14px;
  }
  .sec2 .container {
    padding: 30px 0 0;
  }
  .sec2 h4 {
    margin-bottom: 60px;
  }
  .sec2_period {
    width: 100%;
  }
  .sec2_charity {
    width: 75px;
    transform: translateY(-100%);
  }
  .sec2_point {
    margin-bottom: 10px;
  }
  .sec2_note_red {
    font-size: 1.5rem;
  }
}

.sec3 {
  background: url(../img/index/sec3_bg.jpg) no-repeat;
  background-size: cover;
}
.sec3 .container_large {
  padding: 50px 0;
}
@media screen and (max-width: 900px) {
  .sec3 {
    background-color: #fff;
    background-image: radial-gradient(#fff301 20%, transparent 23%), radial-gradient(#fff301 20%, transparent 23%);
    background-position: 0 0, 8px 8px;
    background-size: 14px 14px;
    background-repeat: repeat;
  }
  .sec3 .container_large {
    padding: 40px 0;
  }
  .sec3 .col-3 {
    padding: 20px 0;
    background: url(../img/index/sec3_bg.jpg) no-repeat;
    background-size: cover;
  }
  .sec3 .col-3 > * {
    width: 90%;
  }
}

.sec4 {
  -webkit-background-size: 10px 10px;
  -moz-background-size: 10px 10px;
  background-size: 10px 10px;
  background-color: #fff;
  background-image: -webkit-gradient(linear, 0 0, 100% 100%, color-stop(0.25, #D8E4FF), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, #D8E4FF), color-stop(0.75, #D8E4FF), color-stop(0.75, transparent), to(transparent));
  background-image: -webkit-linear-gradient(-45deg, #D8E4FF 25%, transparent 25%, transparent 50%, #D8E4FF 50%, #D8E4FF 75%, transparent 75%, transparent);
  background-image: -moz-linear-gradient(-45deg, #D8E4FF 25%, transparent 25%, transparent 50%, #D8E4FF 50%, #D8E4FF 75%, transparent 75%, transparent);
  background-image: -ms-linear-gradient(-45deg, #D8E4FF 25%, transparent 25%, transparent 50%, #D8E4FF 50%, #D8E4FF 75%, transparent 75%, transparent);
  background-image: -o-linear-gradient(-45deg, #D8E4FF 25%, transparent 25%, transparent 50%, #D8E4FF 50%, #D8E4FF 75%, transparent 75%, transparent);
  background-image: linear-gradient(-45deg, #D8E4FF 25%, transparent 25%, transparent 50%, #D8E4FF 50%, #D8E4FF 75%, transparent 75%, transparent);
}
.sec4 .container {
  padding: 110px 0 100px;
}
.sec4 h3 {
  margin-bottom: 25px;
}
.sec4 .col-2 {
  margin-bottom: 30px;
}
.sec4_safe {
  margin-bottom: 80px;
}
.sec4 .corona_step {
  border: 3px solid #72C46A;
  background-color: #fff;
  padding: 30px;
  margin-bottom: 30px;
}
.sec4 .corona_step h5 {
  color: #72C46A;
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.sec4 .corona_step h6 {
  color: #72C46A;
  font-size: 1.2rem;
  font-weight: 800;
  margin-top: 30px;
}
.sec4 .corona_step ul {
  font-weight: 400;
  color: #000;
}
.sec4 .corona_step ul li:before {
  content: "";
  width: 3px;
  height: 3px;
  display: inline-block;
  background-color: #000;
  position: relative;
  top: -3px;
  margin-right: 4px;
}
.sec4 .corona_step .square_dots li:before {
  content: "";
  width: 12px;
  height: 12px;
  display: inline-block;
  background-color: #72C46A;
  position: static;
  margin-right: 2px;
}
.sec4 .corona .apology {
  background-color: #fff;
  text-align: center;
  padding: 20px 0;
  color: #000;
  font-weight: 800;
}
.sec4 .corona .apology p {
  font-size: 1.8rem;
  line-height: 1.5;
}
@media screen and (max-width: 900px) {
  .sec4 .container {
    padding: 40px 0;
  }
  .sec4 .col-2 {
    flex-direction: row;
  }
  .sec4 .col-2 > * {
    width: 100%;
  }
  .sec4 .col-2 > *:first-of-type {
    width: 48%;
  }
  .sec4 .col-2 > *:nth-of-type(2) {
    width: 48%;
    margin-top: 0;
  }
  .sec4_safe {
    margin-bottom: 40px;
  }
  .sec4 .corona_step {
    padding: 15px;
    font-size: 1.2rem;
  }
  .sec4 .corona_step ul li {
    margin-bottom: 5px;
  }
  .sec4 .corona .apology {
    background-color: #72C46A;
    padding: 10px 0;
  }
  .sec4 .corona .apology p {
    font-size: 1.75rem;
    color: #fff;
    line-height: 1.75;
  }
}