#contents {
  max-width: 1120px;
}

.mainvis {
  display: block;
  position: relative;
  z-index: 0;
}
.mainvis::before {
  content: "";
  display: block;
  width: 100vw;
  height: 100%;
  background: #FFE45F;
  position: absolute;
  top: 0;
  left: 0;
  margin: 0 calc(50% - 50vw);
  z-index: -1;
}

h2 {
  font-size: 1.5em;
  font-weight: 700;
}

.btn {
  margin-top: 35px;
}
.btn a {
  font-size: 0.875em;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 2px solid;
  height: 48px;
}

section {
  padding: 75px 0 0;
}

.flex {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.flex[data-col="3"]::after {
  content: "";
  max-width: 350px;
  width: 31.25%;
}
.flex[data-col="3"] .column {
  max-width: 350px;
  width: 31.25%;
  margin-top: 25px;
  padding: 0 15px 25px 15px;
  background: #fff;
  border: 1px solid #DCDDDD;
  border-radius: 5px;
  overflow: hidden;
}
.flex[data-col="3"] figure {
  width: calc(100% + 30px);
  margin: 0 -15px;
}
.flex[data-col="3"] figure img {
  width: 100%;
}
.flex[data-col="3"] h3 {
  font-weight: 700;
  margin-top: 10px;
}
.flex[data-col="3"] p:not([class]) {
  font-size: 0.875em;
  margin-top: 20px;
}
.flex[data-col="3"] .date {
  font-size: 0.813em;
  color: #4E4E4E;
  margin-top: 10px;
}
.flex[data-col="3"] .more {
  margin-top: 25px;
}
.flex[data-col="3"] .more a {
  font-size: 0.75em;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 175px;
  width: 100%;
  height: 36px;
  border: 1px solid #231815;
  border-radius: 5px;
  margin: 0 auto;
}
.flex[data-col="3"] .more a::after {
  content: ">";
  margin-left: 5px;
}

#component .btn a {
  color: var(--comp-color);
  border-color: var(--comp-color);
}

#howto .btn a {
  color: var(--howto-color);
  border-color: var(--howto-color);
}

#symptoms .btn a {
  color: var(--symptoms-color);
  border-color: var(--symptoms-color);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
/*-----------------------------------------------------
Hover
----------------------------------------------------- */
@media (hover: hover) and (pointer: fine) {
  #component .btn a:hover {
    color: #fff;
    background: var(--comp-color);
  }
  #howto .btn a:hover {
    color: #fff;
    background: var(--howto-color);
  }
  #symptoms .btn a:hover {
    color: #fff;
    background: var(--symptoms-color);
  }
}
/*-----------------------------------------------------
Tb
----------------------------------------------------- */
@media screen and (max-width: 768px) {
  .mainvis img {
    max-width: 100vw;
    height: auto;
    margin: 0 calc(50% - 50vw);
  }
  section {
    padding: 50px 0 0;
  }
  .flex {
    flex-wrap: wrap;
  }
  .flex[data-col="3"]::after {
    display: none;
  }
  .flex[data-col="3"] .column {
    width: 48%;
  }
  .flex[data-col="3"] .column .more {
    margin-top: 30px;
  }
  .btn {
    margin-top: 20px;
  }
}
/*-----------------------------------------------------
SP
----------------------------------------------------- */
@media screen and (max-width: 500px) {
  .flex[data-col="3"] .column {
    max-width: inherit;
    width: 100%;
  }
  .flex[data-col="3"] .column + .column {
    margin-top: 45px;
  }
}