.page-letter-mv {
  /* background: urlhttp://nishiyama-omiya.jp/wp-content/uploads/2026/04/datachef_unicolor.png) no-repeat center center / cover; */
  background-color: #FAE423;
}

.p-letter-archive {
  padding-bottom: 50px;
}
@media screen and (min-width:768px) {
  .p-letter-archive {
    padding-bottom: 160px;
  }
}

.p-letter-archive-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

@media (max-width:768px) {
  .p-letter-archive-inner {
  gap: 1rem;
  flex-direction: column;
  }
}
.p-page-letter__container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 6rem;
  padding-block: 50px;
  flex-basis: 70%;
}
@media screen and (min-width:768px) {
  .p-page-letter__container {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
            justify-content: space-between;
    gap: 2rem;
  }
}

.p-page-letter__contents {
 width: 100%;
}
.p-letter-archive {
  padding-bottom: 100px;
}
@media screen and (min-width:768px) {
  .p-letter-archive {
    padding-bottom: 160px;
  }
}

.p-letter-archive__title {
  font-size: 24px;
  font-weight: 700;
}
@media screen and (min-width:768px) {
  .p-letter-archive__title {
    font-size: 32px;
    line-height: 1.25;
  }
}

@media screen and (min-width:768px) {
  .p-page-letter__contents {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 60%;
            flex: 0 0 60%;
  }
}
@media screen and (min-width: 1280px) {
  .p-page-letter__contents {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 69.09%;
            flex: 0 0 69.09%;
  }
}


.sidebar-newsletter {
  margin-top: 50px;
  width: 250px;
}
.sidebar-title {
  font-size: 2.4rem;
}
@media (max-width:768px) {
  .sidebar-title {
  font-size: 2rem;
  }
}
.sidebar-newsletter-list {
  padding: 10px 20px;
}

.sidebar-newsletter-item a {
  display: flex;
  flex-direction: column;
}

.sidebar-newsletter-title {
  font-size: 20px;
  position: relative;
}
.sidebar-newsletter-title::before {
    position: absolute;
    content: "・";
    color: #000;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
  }

.sidebar-newsletter-date {
  font-size: 14px;
}