*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure {
  margin: 0;
  padding: 0;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

a {
  color: inherit;
  text-decoration: none;
}

html {
  font-size: 14px;
}
@media screen and (max-width: 1000px) and (min-width: 751px) {
  html {
    font-size: 1.4vw;
  }
}
@media screen and (max-width: 750px) {
  html {
    font-size: 3.73333vw;
  }
}

body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
}

.l-header {
  position: relative;
  z-index: 20;
  width: 100%;
  background-color: #fff;
  border-bottom: 1px solid #e5e5e5;
}
.l-header__inner {
  width: 100%;
  max-width: 71.4285714286rem;
  margin-inline: auto;
  min-height: 4.5714285714rem;
  padding: 0.8571428571rem 1.1428571429rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.7142857143rem;
}

.l-content {
  width: 100%;
}
.l-content__inner {
  width: 100%;
  max-width: 71.4285714286rem;
  margin-inline: auto;
  padding: 2.8571428571rem 1.1428571429rem;
  display: grid;
  grid-template-columns: 1fr 20rem;
  gap: 3.4285714286rem;
  align-items: start;
}
@media screen and (max-width: 750px) {
  .l-content__inner {
    grid-template-columns: 1fr;
    gap: 3.4285714286rem;
    padding: 1.7142857143rem 1.1428571429rem;
  }
}

.l-main {
  width: 100%;
  min-width: 0;
}
.l-main__inner {
  width: 100%;
}

.l-sidebar {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2.5714285714rem;
}

.l-footer {
  width: 100%;
  margin-top: 4.5714285714rem;
  background-color: #1a1a1a;
  color: #d0d0d0;
}
.l-footer__inner {
  width: 100%;
  max-width: 71.4285714286rem;
  margin-inline: auto;
  padding: 3.4285714286rem 1.1428571429rem 1.7142857143rem;
}
.l-footer__top {
  display: flex;
  justify-content: space-between;
  gap: 2.8571428571rem;
}
@media screen and (max-width: 750px) {
  .l-footer__top {
    flex-direction: column;
    gap: 2.2857142857rem;
  }
}
.l-footer__brand {
  max-width: 20rem;
}
.l-footer__logo {
  font-size: 1.4285714286rem;
  font-weight: bold;
  color: #fff;
  letter-spacing: 0.04em;
}
.l-footer__tagline {
  margin-top: 0.5714285714rem;
  font-size: 0.8571428571rem;
  line-height: 1.7;
  color: #a0a0a0;
}
.l-footer__nav {
  display: flex;
  gap: 4rem;
}
@media screen and (max-width: 750px) {
  .l-footer__nav {
    gap: 2.8571428571rem;
  }
}
.l-footer__nav-title {
  font-size: 0.8571428571rem;
  font-weight: bold;
  color: #fff;
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
}
.l-footer__nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7142857143rem;
}
.l-footer__nav-link {
  font-size: 0.9285714286rem;
  color: #d0d0d0;
}
.l-footer__nav-link:hover {
  color: #fff;
  text-decoration: underline;
}
.l-footer__bottom {
  margin-top: 2.8571428571rem;
  padding-top: 1.4285714286rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8571428571rem;
  color: #a0a0a0;
  text-align: center;
}

.c-logo {
  font-size: 1.5714285714rem;
  font-weight: bold;
  letter-spacing: 0.04em;
  color: #1a1a1a;
}
.c-logo:hover {
  opacity: 0.7;
}

.c-gnav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5714285714rem;
}
@media screen and (max-width: 750px) {
  .c-gnav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.06);
  }
}
.c-gnav__toggle {
  display: none;
}
@media screen and (max-width: 750px) {
  .c-gnav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.3571428571rem;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
  }
  .c-gnav__toggle span {
    display: block;
    width: 1.7142857143rem;
    height: 2px;
    background: #1a1a1a;
    transition: transform 0.2s, opacity 0.2s;
  }
}
.c-gnav__list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media screen and (max-width: 750px) {
  .c-gnav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-inline: 1.1428571429rem;
  }
}
.c-gnav__list--sub {
  gap: 1.4285714286rem;
}
.c-gnav__list--main {
  gap: 2rem;
}
@media screen and (max-width: 750px) {
  .c-gnav__list--main {
    order: 1;
  }
  .c-gnav__list--sub {
    order: 2;
    border-top: 1px solid #e5e5e5;
  }
  .c-gnav__list > li:last-child .c-gnav__link {
    border-bottom: none;
  }
}
.c-gnav__link {
  font-size: 1rem;
  color: #767676;
  padding-block: 0.4285714286rem;
  transition: color 0.15s;
}
.c-gnav__link:hover {
  color: #1a1a1a;
}
.c-gnav__link.is-current {
  color: #1a1a1a;
  font-weight: bold;
}
@media screen and (max-width: 750px) {
  .c-gnav__link {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid #e5e5e5;
    font-size: 1.0714285714rem;
  }
}
.c-gnav__link--sub {
  font-size: 0.8571428571rem;
  color: #767676;
}
@media screen and (max-width: 750px) {
  .c-gnav__link--sub {
    font-size: 1rem;
  }
}

@media screen and (max-width: 750px) {
  body.is-nav-open .c-gnav {
    display: flex;
  }
}
@media screen and (max-width: 750px) {
  body.is-nav-open .c-gnav__toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  body.is-nav-open .c-gnav__toggle span:nth-child(2) {
    opacity: 0;
  }
  body.is-nav-open .c-gnav__toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

.c-widget__title {
  font-size: 1.0714285714rem;
  font-weight: bold;
  color: #1a1a1a;
  letter-spacing: 0.04em;
  padding-bottom: 0.7142857143rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid #1a1a1a;
}
.c-widget__posts {
  list-style: none;
}
.c-widget__post {
  display: block;
  padding: 0.8571428571rem 0;
  border-bottom: 1px solid #e5e5e5;
  color: #1a1a1a;
}
.c-widget__post:hover .c-widget__post-title {
  text-decoration: underline;
}
.c-widget__post-title {
  font-size: 0.9285714286rem;
  line-height: 1.5;
}
.c-widget__post-date {
  display: block;
  margin-top: 0.3571428571rem;
  font-size: 0.7857142857rem;
  color: #767676;
}
.c-widget__list {
  list-style: none;
}
.c-widget__list-item {
  border-bottom: 1px solid #e5e5e5;
}
.c-widget__list-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5714285714rem;
  padding: 0.7142857143rem 0;
  font-size: 0.9285714286rem;
  color: #1a1a1a;
}
.c-widget__list-link:hover {
  color: #767676;
}
.c-widget__count {
  font-size: 0.7857142857rem;
  color: #767676;
}
.c-widget__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5714285714rem;
}
.c-widget__tag {
  font-size: 0.8571428571rem;
  color: #767676;
  border: 1px solid #e5e5e5;
  border-radius: 999px;
  padding: 0.2857142857rem 0.8571428571rem;
}
.c-widget__tag:hover {
  color: #1a1a1a;
  border-color: #1a1a1a;
}
.c-widget__empty {
  font-size: 0.8571428571rem;
  color: #767676;
}

.c-article__back {
  display: inline-block;
  margin-bottom: 1.7142857143rem;
  font-size: 0.9285714286rem;
  color: #767676;
}
.c-article__back:hover {
  color: #1a1a1a;
}
.c-article__title {
  font-size: 2rem;
  font-weight: bold;
  line-height: 1.45;
  margin-bottom: 1.1428571429rem;
}
.c-article__meta {
  display: flex;
  align-items: center;
  gap: 0.8571428571rem;
  margin-bottom: 1.7142857143rem;
  font-size: 0.8571428571rem;
  color: #767676;
}
.c-article__category {
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
  padding: 0.1428571429rem 0.5714285714rem;
}
.c-article__eyecatch {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 2.2857142857rem;
  border: 1px solid #e5e5e5;
}
.c-article__body {
  font-size: 1.0714285714rem;
  line-height: 1.9;
  color: #1a1a1a;
}
.c-article__body h2 {
  font-size: 1.5714285714rem;
  font-weight: bold;
  line-height: 1.5;
  margin: 2.8571428571rem 0 1.1428571429rem;
  padding-bottom: 0.5714285714rem;
  border-bottom: 1px solid #e5e5e5;
}
.c-article__body h3 {
  font-size: 1.2857142857rem;
  font-weight: bold;
  margin: 2rem 0 0.8571428571rem;
}
.c-article__body p {
  margin-bottom: 1.4285714286rem;
}
.c-article__body ul,
.c-article__body ol {
  margin: 0 0 1.4285714286rem;
  padding-left: 1.7142857143rem;
}
.c-article__body ul {
  list-style: disc;
}
.c-article__body ol {
  list-style: decimal;
}
.c-article__body li {
  margin-bottom: 0.5714285714rem;
}
.c-article__body a {
  color: #1a1a1a;
  text-decoration: underline;
}
.c-article__body a:hover {
  color: #767676;
}
.c-article__body code {
  background: #f7f7f7;
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
  padding: 0.0714285714rem 0.4285714286rem;
  font-size: 0.9em;
}
.c-article__body img {
  max-width: 100%;
  height: auto;
}
.c-article__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5714285714rem;
  margin-top: 2.8571428571rem;
  padding-top: 1.7142857143rem;
  border-top: 1px solid #e5e5e5;
}
.c-article__tag {
  font-size: 0.8571428571rem;
  color: #767676;
  border: 1px solid #e5e5e5;
  border-radius: 999px;
  padding: 0.2857142857rem 0.8571428571rem;
}

.c-form__row {
  margin-bottom: 1.4285714286rem;
}
.c-form__label {
  display: block;
  font-size: 0.9285714286rem;
  font-weight: bold;
  margin-bottom: 0.5714285714rem;
}
.c-form__input, .c-form__textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: #1a1a1a;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
  padding: 0.7142857143rem 0.8571428571rem;
}
.c-form__input:focus, .c-form__textarea:focus {
  outline: none;
  border-color: #1a1a1a;
}
.c-form__textarea {
  min-height: 11.4285714286rem;
  resize: vertical;
  line-height: 1.7;
}
.c-form__actions {
  margin-top: 1.7142857143rem;
}
.c-form__req {
  font-size: 0.7142857143rem;
  font-weight: bold;
  color: #fff;
  background: #c0392b;
  border-radius: 0.1428571429rem;
  padding: 0.0714285714rem 0.4285714286rem;
  margin-left: 0.4285714286rem;
  vertical-align: middle;
}
.c-form__error {
  display: block;
  margin-top: 0.4285714286rem;
  font-size: 0.8571428571rem;
  color: #c0392b;
}
.c-form__alert {
  margin-bottom: 1.4285714286rem;
  padding: 0.8571428571rem 1.1428571429rem;
  font-size: 0.9285714286rem;
  color: #c0392b;
  border: 1px solid #c0392b;
  border-radius: 0.1428571429rem;
}
.c-form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.c-button {
  display: inline-block;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  color: #fff;
  background: #1a1a1a;
  border: 1px solid #1a1a1a;
  border-radius: 0.1428571429rem;
  padding: 0.8571428571rem 2.2857142857rem;
}
.c-button:hover {
  opacity: 0.85;
}

.c-deflist {
  border-top: 1px solid #e5e5e5;
}
.c-deflist__row {
  display: grid;
  grid-template-columns: 11.4285714286rem 1fr;
  border-bottom: 1px solid #e5e5e5;
}
@media screen and (max-width: 750px) {
  .c-deflist__row {
    grid-template-columns: 1fr;
  }
}
.c-deflist__term {
  padding: 1rem 1.1428571429rem;
  font-size: 1rem;
  font-weight: bold;
  background: #f7f7f7;
}
@media screen and (max-width: 750px) {
  .c-deflist__term {
    padding: 0.8571428571rem 0.8571428571rem 0;
    background: transparent;
  }
}
.c-deflist__desc {
  padding: 1rem 1.1428571429rem;
  font-size: 1rem;
  line-height: 1.8;
}
.c-deflist__desc a {
  color: #1a1a1a;
  text-decoration: underline;
}
.c-deflist__desc a:hover {
  color: #767676;
}
@media screen and (max-width: 750px) {
  .c-deflist__desc {
    padding: 0.2857142857rem 0.8571428571rem 0.8571428571rem;
  }
}

.p-home__title {
  font-size: 1.8571428571rem;
  font-weight: bold;
  margin-bottom: 0.5714285714rem;
}
.p-home__posts {
  margin-top: 0.5714285714rem;
}
.p-home__posts-title {
  font-size: 1.4285714286rem;
  font-weight: bold;
  padding-bottom: 0.7142857143rem;
  margin-bottom: 1.1428571429rem;
  border-bottom: 2px solid #1a1a1a;
}
.p-home__posts-list {
  list-style: none;
}
.p-home__posts-item {
  border-bottom: 1px solid #e5e5e5;
}
.p-home__posts-link {
  display: block;
  font-size: 1.1428571429rem;
  font-weight: bold;
  color: #1a1a1a;
  padding: 1.1428571429rem 0 0.2857142857rem;
}
.p-home__posts-link:hover {
  text-decoration: underline;
}
.p-home__posts-date {
  display: block;
  font-size: 0.8571428571rem;
  color: #767676;
  padding-bottom: 1.1428571429rem;
}
.p-home__posts-error {
  color: #c0392b;
}

.p-posts__title {
  font-size: 1.7142857143rem;
  font-weight: bold;
  padding-bottom: 0.8571428571rem;
  margin-bottom: 1.7142857143rem;
  border-bottom: 2px solid #1a1a1a;
}
.p-posts__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.4285714286rem;
}
.p-posts__card {
  display: grid;
  grid-template-columns: 15.7142857143rem 1fr;
  color: #1a1a1a;
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
  overflow: hidden;
  transition: border-color 0.15s;
}
.p-posts__card:hover {
  border-color: #1a1a1a;
}
@media screen and (max-width: 750px) {
  .p-posts__card {
    grid-template-columns: 1fr;
  }
}
.p-posts__eyecatch {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: #f7f7f7;
}
.p-posts__body {
  display: flex;
  flex-direction: column;
  gap: 0.5714285714rem;
  padding: 1.1428571429rem 1.4285714286rem;
}
.p-posts__meta {
  display: flex;
  align-items: center;
  gap: 0.7142857143rem;
  font-size: 0.7857142857rem;
  color: #767676;
}
.p-posts__category {
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
  padding: 0.0714285714rem 0.4285714286rem;
}
.p-posts__heading {
  font-size: 1.2142857143rem;
  font-weight: bold;
  line-height: 1.45;
}
.p-posts__desc {
  font-size: 0.9285714286rem;
  line-height: 1.7;
  color: #767676;
}
.p-posts__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7142857143rem;
  margin-top: 0.1428571429rem;
}
.p-posts__tag {
  font-size: 0.7857142857rem;
  color: #767676;
}
.p-posts__error {
  color: #c0392b;
}
.p-posts__resulthead {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5714285714rem 1.1428571429rem;
  margin-bottom: 1.1428571429rem;
  padding-bottom: 0.8571428571rem;
  border-bottom: 1px solid #e5e5e5;
}
.p-posts__count {
  font-size: 0.9285714286rem;
  color: #767676;
}
.p-posts__count strong {
  font-size: 1.2857142857rem;
  color: #1a1a1a;
  margin-right: 0.1428571429rem;
}
.p-posts__conditions {
  font-size: 0.8571428571rem;
  color: #767676;
}
.p-posts__loading, .p-posts__empty {
  padding: 2.8571428571rem 0;
  text-align: center;
  color: #767676;
}
.p-posts__pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1428571429rem;
  margin-top: 2.2857142857rem;
}
.p-posts__pager-btn {
  font-size: 0.9285714286rem;
  color: #1a1a1a;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
  padding: 0.5714285714rem 1.4285714286rem;
  cursor: pointer;
}
.p-posts__pager-btn:hover:not(:disabled) {
  border-color: #1a1a1a;
}
.p-posts__pager-btn:disabled {
  opacity: 0.4;
  cursor: default;
}
.p-posts__pager-status {
  font-size: 0.9285714286rem;
  color: #767676;
}

.p-search {
  margin-bottom: 2rem;
  padding: 1.4285714286rem;
  background: #f7f7f7;
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
}
.p-search__row {
  margin-bottom: 1.1428571429rem;
}
.p-search__label {
  display: block;
  font-size: 0.8571428571rem;
  font-weight: bold;
  color: #767676;
  margin-bottom: 0.4285714286rem;
}
.p-search__input, .p-search__select {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: #1a1a1a;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
  padding: 0.6428571429rem 0.8571428571rem;
}
.p-search__input:focus, .p-search__select:focus {
  outline: none;
  border-color: #1a1a1a;
}
.p-search__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8571428571rem;
  margin-bottom: 1.1428571429rem;
}
@media screen and (max-width: 750px) {
  .p-search__grid {
    grid-template-columns: 1fr;
  }
}
.p-search__actions {
  display: flex;
  align-items: center;
  gap: 1.1428571429rem;
}
.p-search__reset {
  font-size: 0.9285714286rem;
  color: #767676;
  background: none;
  border: none;
  text-decoration: underline;
  cursor: pointer;
}
.p-search__reset:hover {
  color: #1a1a1a;
}

.p-contact__title {
  font-size: 1.7142857143rem;
  font-weight: bold;
  padding-bottom: 0.8571428571rem;
  margin-bottom: 1.7142857143rem;
  border-bottom: 2px solid #1a1a1a;
}
.p-contact__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: #767676;
  margin-bottom: 2.2857142857rem;
}
.p-contact__done {
  padding: 1.7142857143rem;
  background: #f7f7f7;
  border: 1px solid #e5e5e5;
  border-radius: 0.1428571429rem;
  line-height: 1.9;
}
.p-contact__done-title {
  font-size: 1.2857142857rem;
  font-weight: bold;
  margin-bottom: 0.5714285714rem;
}

.p-error {
  text-align: center;
  padding: 3.4285714286rem 0;
}
.p-error__code {
  font-size: 4.5714285714rem;
  font-weight: bold;
  line-height: 1;
  letter-spacing: 0.05em;
  color: #1a1a1a;
}
.p-error__title {
  font-size: 1.4285714286rem;
  font-weight: bold;
  margin-top: 0.8571428571rem;
}
.p-error__text {
  font-size: 1rem;
  line-height: 1.9;
  color: #767676;
  margin-top: 1.1428571429rem;
}
.p-error__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.4285714286rem;
  margin-top: 2rem;
  font-size: 1rem;
}
.p-error__actions a:not(.c-button):hover {
  text-decoration: underline;
}

.p-page__title {
  font-size: 1.7142857143rem;
  font-weight: bold;
  padding-bottom: 0.8571428571rem;
  margin-bottom: 1.1428571429rem;
  border-bottom: 2px solid #1a1a1a;
}
.p-page__lead {
  font-size: 0.9285714286rem;
  line-height: 1.8;
  color: #767676;
  margin-bottom: 1.7142857143rem;
}
.p-page__updated {
  margin-top: 2rem;
  font-size: 0.8571428571rem;
  color: #767676;
  text-align: right;
}