@charset "utf-8";
/*** The new CSS reset - version 1.11.3 (last updated 25.8.2024) ***/

*:where(:not(html, iframe, canvas, img, svg, video, audio):not(svg *, symbol *)) {
  all: unset;
  display: revert;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}
a,
button {
  cursor: revert;
}
ol,
ul,
menu,
summary {
  list-style: none;
}
ol {
  counter-reset: revert;
}
img {
  width: 100%;
  max-width: 100%;
  height: auto;
}
table {
  border-collapse: collapse;
}
input,
textarea {
  -webkit-user-select: auto;
}
textarea {
  white-space: revert;
}
meter {
  -webkit-appearance: revert;
  appearance: revert;
}
:where(pre) {
  all: revert;
  box-sizing: border-box;
}
::placeholder {
  color: unset;
}
:where([hidden]) {
  display: none;
}
:where([contenteditable]:not([contenteditable="false"])) {
  -moz-user-modify: read-write;
  -webkit-user-modify: read-write;
  overflow-wrap: break-word;
  -webkit-line-break: after-white-space;
  -webkit-user-select: auto;
}
:where([draggable="true"]) {
  -webkit-user-drag: element;
}
:where(dialog:modal) {
  all: revert;
  box-sizing: border-box;
}
::-webkit-details-marker {
  display: none;
}

/* ==========================================================================
   共通スタイル (style.css)
   ========================================================================== */

body {
  position: relative;
  z-index: 0;
  font-family: "Poppins", "Noto Sans JP", sans-serif;

  font-style: normal;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
  /* font-feature-settings: "palt"; */
  color: #0a0a0a;
  background: #fff;
}

body.menu_open {
  position: fixed;
  width: 100%;
  height: 100vh;
}

main {
  overflow: hidden;
}

.en {
  font-family: "Poppins", sans-serif;
}

/*ヘッダー */
.block_header {
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 100%;
  padding: 16px 0;
  background: #fff;
}

.block_header .inner {
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 1024px;
  margin: 0 auto;
}

.block_header .logo {
  display: block;
  width: 300px;
}

@media screen and (max-width: 1320px) {
  .block_header {
    padding: 16px 2%;
  }
}

@media screen and (max-width: 768px) {
  .block_header {
    padding: calc(20 / 390 * 100vw);
  }

  .block_header .inner {
    width: 100%;
  }

  .block_header .logo {
    width: min(calc(245 / 390 * 100vw), 245px);
  }
}

/*ヘッダーメニュー ------------------------------*/
.block_header .box_tel {
  width: 300px;
  aspect-ratio: 300 / 60;
  display: flex;
  justify-content: center;
  align-items: center;

  border-radius: 5px;
  background: var(--color01);
  font-weight: 500;
  font-size: 14px;
  line-height: calc(16.8 / 14);
  text-align: center;
  color: #fff;
  margin: 0 0 20px auto;
}

.block_header .box_tel::before {
  content: "";
  background-image: url("../img/common/icon_phone01.svg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;

  width: 18px;
  aspect-ratio: 1;
}

.block_header .box_tel .en {
  font-size: 20px;
  margin: 0 17px 0 5px;
}

@media screen and (max-width: 768px) {
  .block_header .box_tel {
    display: none;
  }
}

.block_header .box_menu {
  font-weight: bold;
  font-size: 16px;
  line-height: calc(27 / 18);
  text-align: left;
  color: #0a0a0a;
}

.block_header .box_menu ul {
  display: flex;
  align-items: center;
  gap: 0 22px;
}

.block_header .box_menu ul li .en {
  display: none;
}

.block_header .box_menu ul li a {
  display: block;
}

.block_header .box_menu .btn_menu {
  background-color: #339fcb;
  position: relative;
  z-index: 9999;
  display: none;
  cursor: pointer;
  transition: all 0.5s;
  box-sizing: border-box;
  width: min(calc(50 / 390 * 100vw), 50px);
  height: min(calc(50 / 390 * 100vw), 50px);
  border-radius: min(calc(5 / 390 * 100vw), 5px);
}

.block_header .box_menu .btn_menu span {
  position: absolute;
  left: min(calc(15 / 390 * 100vw), 15px);
  width: 40%;
  height: 1px;
  background-color: #fff;
  display: inline-block;
  transition: all 0.5s;
  box-sizing: border-box;
}

.btn_menu span:nth-of-type(1) {
  top: min(calc(15 / 390 * 100vw), 15px);
}

.btn_menu span:nth-of-type(2) {
  top: min(calc(24 / 390 * 100vw), 24px);
}

.btn_menu span:nth-of-type(3) {
  top: min(calc(33 / 390 * 100vw), 33px);
}

.btn_menu span:nth-of-type(1) {
  animation: btn07-bar01 0.3s forwards;
}

.btn_menu span:nth-of-type(2) {
  transition: all 0.1s 0.1s;
  opacity: 1;
}

.btn_menu span:nth-of-type(3) {
  animation: btn07-bar03 0.3s forwards;
}

.btn_menu.open span:nth-of-type(1) {
  animation: active-btn07-bar01 0.3s forwards;
}

.btn_menu.open span:nth-of-type(2) {
  opacity: 0;
}

.btn_menu.open span:nth-of-type(3) {
  animation: active-btn07-bar03 0.3s forwards;
}

@media screen and (max-width: 768px) {
  .block_header .box_menu .btn_menu {
    display: block;
  }

  .block_header .box_menu ul {
    position: absolute;
    z-index: 0;
    background-color: #fff;
    top: 111px;
    right: 0;
    z-index: 999;
    padding: calc(50 / 390 * 100vw) calc(40 / 390 * 100vw);
    flex-flow: column;
    gap: 22px 0;
    transform: translateX(100%);
    width: 100%;
    height: calc(100dvh - 111px);
    transition: 0.3s;
    font-weight: 500;
    font-size: calc(18 / 390 * 100vw);

    overflow: scroll;
  }

  .block_header .box_menu.open ul {
    transform: translateX(0);
  }

  .block_header .box_menu ul li {
    width: 100%;
    padding-bottom: calc(22 / 390 * 100vw);
    border-bottom: 2px dotted var(--color01);
  }

  .block_header .box_menu ul li .en {
    display: block;
    font-size: calc(14 / 390 * 100vw);
    color: var(--color01);
    margin-bottom: calc(5 / 390 * 100vw);
  }
}

@media screen and (max-width: 390px) {
  .block_header .box_menu ul {
    top: calc(90 / 390 * 100vw);
    height: calc(100dvh - (90 / 390 * 100vw));
  }
}

@keyframes active-btn07-bar01 {
  0% {
    top: min(calc(15 / 390 * 100vw), 15px);
    transform: rotate(0);
  }

  50% {
    top: min(calc(25 / 390 * 100vw), 25px);
    transform: rotate(0);
  }

  100% {
    top: min(calc(25 / 390 * 100vw), 25px);
    transform: rotate(45deg);
  }
}

@keyframes active-btn07-bar03 {
  0% {
    top: min(calc(33 / 390 * 100vw), 33px);
    transform: rotate(0);
  }

  50% {
    top: min(calc(25 / 390 * 100vw), 25px);
    transform: rotate(0);
  }

  100% {
    top: min(calc(25 / 390 * 100vw), 25px);
    transform: rotate(-45deg);
  }
}

@keyframes btn07-bar01 {
  0% {
    top: min(calc(25 / 390 * 100vw), 25px);
    transform: rotate(45deg);
  }

  50% {
    top: min(calc(25 / 390 * 100vw), 25px);
    transform: rotate(0);
  }

  100% {
    top: min(calc(15 / 390 * 100vw), 15px);
    transform: rotate(0);
  }
}

@keyframes btn07-bar03 {
  0% {
    top: min(calc(25 / 390 * 100vw), 25px);
    transform: rotate(-45deg);
  }

  50% {
    top: min(calc(25 / 390 * 100vw), 25px);
    transform: rotate(0);
  }

  100% {
    top: min(calc(33 / 390 * 100vw), 33px);
    transform: rotate(0);
  }
}

/* フッター  ------------------------------*/
.block_footer {
  width: 100%;
  min-height: 950px;
  padding: 100px 0 150px;
  background-image: url("../img/common/bi_footer.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
  color: #fff;
}

.block_footer .inner {
  margin: 0 auto;
  width: 1024px;
}

.block_footer .contact {
  background: var(--color01);
  padding: 38px 60px;
  border: 1px solid var(--color01);
  border-radius: 15px;
  display: flex;
  align-items: center;
  margin-bottom: 250px;
}

.block_footer .contact .text00 {
  color: #fff;
}

.block_footer .contact::after {
  content: "";
  background-image: url("../img/common/icon_arrow04.svg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  width: 60px;
  aspect-ratio: 1;
  margin-left: auto;
}

.block_footer .contact h2 {
  font-weight: bold;
  font-size: 34px;
  line-height: calc(57 / 38);
  color: var(--color01);
  margin-right: 50px;
  padding-right: 50px;
  border-right: 1px solid #ccc;
  color: #fff;
}

.block_footer .contact h2 a {
  display: block;
}

.block_footer .footer_content {
  width: 446px;
  display: flex;
  flex-flow: column;
  margin-bottom: 43px;
}

.block_footer .footer_content .footer_ttl {
  width: 388px;
}

.block_footer .footer_content address {
  margin: 26px 0 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #fff;
  font-weight: 500;
  font-size: 14px;
  line-height: calc(25.2 / 14);
  color: #fff;
}

.block_footer .footer_content .text00 {
  font-weight: 500;
  font-size: 14px;
  line-height: calc(25.2 / 14);
  text-align: left;
  color: #fff;
}

.block_footer small {
  display: block;
  text-align: center;
  font-weight: 500;
  font-size: 14px;
  line-height: calc(25.2 / 14);
}

@media screen and (max-width: 1320px) {
  .block_footer {
    padding-right: 2% !important;
    padding-left: 2% !important;
  }
}

@media screen and (max-width: 768px) {
  .block_footer {
    height: auto;
    min-height: unset;
    padding: calc(52 / 390 * 100vw) 0 calc(87 / 390 * 100vw) !important;
    background-image: url("../img/common/bi_footer_sp.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top center;
    color: #fff;
  }

  .block_footer .inner {
    width: 89.75%;
  }

  .block_footer .contact {
    padding: calc(27 / 390 * 100vw) calc(20 / 390 * 100vw) calc(20 / 390 * 100vw);
    border-radius: calc(15 / 390 * 100vw);
    flex-flow: column;

    margin-bottom: calc(180 / 390 * 100vw);
  }

  .block_footer .contact .text00 {
    font-size: calc(16 / 390 * 100vw);
  }

  .block_footer .contact::after {
    width: calc(60 / 390 * 100vw);
    margin: calc(10 / 390 * 100vw) auto 0;
  }

  .block_footer .contact h2 {
    font-size: calc(28 / 390 * 100vw);
    line-height: calc(57 / 28);
    line-height: 1;
    margin-right: 0;
    padding-right: 0;
    border-right: 0;
    margin-bottom: calc(19 / 390 * 100vw);
  }

  .block_footer .contact h2 a {
    display: block;
  }

  .block_footer .footer_content {
    width: 100%;
    display: flex;
    flex-flow: column;
    margin-bottom: calc(30 / 390 * 100vw);
  }

  .block_footer .footer_content .footer_ttl {
    width: calc(308 / 390 * 100vw);
  }

  .block_footer .footer_ttl {
    width: 88%;
    margin: 0 auto;
  }

  .block_footer .footer_content address {
    margin: calc(30 / 390 * 100vw) 0 calc(20 / 390 * 100vw);
    padding-bottom: 0;
    border-bottom: 0;
    font-size: calc(14 / 390 * 100vw);
  }

  .block_footer .footer_content .text00 {
    font-weight: 500;
    font-size: calc(14 / 390 * 100vw);
    line-height: calc(25.2 / 14);
    text-align: left;
    color: #fff;
  }

  .block_footer small {
    font-size: calc(12 / 390 * 100vw);
    line-height: calc(25.2 / 12);
  }
}

/* to_topボタン  ------------------------------*/
@media screen and (min-width: 769px) {
  .block_float {
    display: none;
  }
}

.block_float {
  overflow: hidden;
  position: fixed;
  z-index: 999;
  bottom: calc(20 / 390 * 100vw);
  left: 0;
  width: 100%;
  pointer-events: none;
}

.block_float .inner {
  margin: 0 auto;
  width: 1024px;
  max-width: 95%;
}

.block_float .inner .sp_tel {
  aspect-ratio: 350 / 50;
  display: flex;
  justify-content: center;
  align-items: center;

  border-radius: calc(5 / 390 * 100vw);
  background: var(--color01);
  font-weight: 500;
  font-size: calc(14 / 390 * 100vw);
  line-height: calc(16.8 / 14);
  text-align: center;
  color: #fff;

  cursor: pointer;
  pointer-events: auto;
  transform: translateY(100%);
  transition: 0.3s;
}

.block_float .inner .sp_tel::before {
  content: "";

  background-image: url("../img/common/icon_phone01.svg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;

  width: calc(18 / 390 * 100vw);
  aspect-ratio: 1;
}

.block_float .inner .sp_tel .en {
  font-size: calc(20 / 390 * 100vw);
  margin: 0 calc(11 / 390 * 100vw) 0 calc(5 / 390 * 100vw);
}

.block_float.on .inner .sp_tel {
  transform: translateY(0);
}

/* 共通パーツ  ------------------------------*/

:root {
  --color01: #2767fa;
  --color02: #339fcb;
  --color03: #f6f7fa;
}

box_00 {
  background-color: var(--color01);
}

.block_00 {
  position: relative;
  z-index: 0;
}

@media screen and (max-width: 1320px) {
  .block_00 {
    padding-right: 2% !important;
    padding-left: 2% !important;
  }
}

@media screen and (max-width: 768px) {
  .block_00 {
    padding-right: 0 !important;
    padding-left: 0 !important;
  }
}

.block_00 .inner {
  margin: 0 auto;
  width: 1024px;
  /* max-width: 95%; */
}

@media screen and (max-width: 768px) {
  .block_00 .inner {
    width: 89.75%;
  }
}

.ttl02 {
  display: flex;
  flex-flow: column;
  padding-bottom: 33px;
  position: relative;
  z-index: 0;
  font-weight: bold;
  font-size: 38px;
  line-height: calc(57 / 38);
  text-align: center;
  color: #222;
}

@media screen and (max-width: 768px) {
  .ttl02 {
    padding-bottom: calc(11 / 390 * 100vw);
    font-size: calc(28 / 390 * 100vw);
    line-height: calc(57 / 28);
  }
}

.ttl02::after {
  content: "";
  display: block;
  position: absolute;
  z-index: 0;
  background-color: var(--color01);
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 0);
  width: 100px;
  height: 5px;
}

@media screen and (max-width: 768px) {
  .ttl02::after {
    width: calc(100 / 390 * 100vw);
    height: calc(5 / 390 * 100vw);
  }
}

.ttl02 .en {
  font-weight: 500;
  font-size: 18px;
  line-height: 1;
  margin-bottom: 11px;
}

@media screen and (max-width: 768px) {
  .ttl02 .en {
    font-size: calc(14 / 390 * 100vw);
    margin-bottom: calc(-3 / 390 * 100vw);
  }
}

.ttl03 {
  font-weight: bold;
  font-size: 24px;
  line-height: 1.5;
  color: var(--color01);
}

@media screen and (max-width: 768px) {
  .ttl03 {
    font-size: calc(18 / 390 * 100vw);
    line-height: 1.8;
  }
}

.text00 {
  font-weight: 500;
  font-size: 15px;
  line-height: calc(28.8 / 16);
  text-align: left;
  color: #0a0a0a;
}

@media screen and (max-width: 768px) {
  .text00 {
    font-size: calc(14 / 390 * 100vw);
    line-height: calc(25.2 / 14);
  }
}

.sp_on,
.sp_on02 {
  display: none;
}

@media screen and (max-width: 768px) {
  .sp_on {
    display: inline;
  }

  .sp_on02 {
    display: block;
  }

  .sp_off {
    display: none;
  }
}

/* mv_sub  ------------------------------*/
.mv_sub {
  margin-top: 181px;
  position: relative;
  z-index: 0;
  height: 300px;
}

@media screen and (max-width: 768px) {
  .mv_sub {
    margin-top: calc(108px + 0.1746031746 * (100vw - 390px));
    height: calc(120 / 390 * 100vw);
  }
}

@media screen and (max-width: 390px) {
  .mv_sub {
    margin-top: calc(108 / 390 * 100vw);
  }
}

.mv_sub .mv_inner {
  margin: 0 auto;
  width: 1024px;
  height: 100%;
  display: flex;
  align-items: center;
}

@media screen and (max-width: 1320px) {
  .mv_sub .mv_inner {
    padding-right: 2%;
    padding-left: 2%;
  }
}

@media screen and (max-width: 768px) {
  .mv_sub .mv_inner {
    margin: 0 auto 0 0;
    padding: 0 calc(20 / 390 * 100vw);
    width: 94.87%;
  }
}

.mv_sub h1 {
  font-weight: bold;
  font-size: 38px;
  letter-spacing: 0.05em;
  line-height: calc(68.4 / 38);
}

.mv_sub h1 .en {
  display: block;
  font-weight: 500;
  font-size: 18px;
  line-height: calc(32.4 / 18);
  color: #222;
}

@media screen and (max-width: 768px) {
  .mv_sub h1 .en {
    font-size: calc(14 / 390 * 100vw);
    line-height: calc(25.2 / 18);
  }
}

@media screen and (max-width: 768px) {
  .mv_sub h1 {
    font-weight: bold;
    font-size: calc(18 / 390 * 100vw);
    line-height: calc(43.2 / 18);
  }
}

.mt10 {
  margin-top: 10px;
}

.mt20 {
  margin-top: 20px;
}

.mt30 {
  margin-top: 30px;
}

:root {
  scroll-padding: 100px;
  scroll-behavior: smooth;
}

@media screen and (max-width: 768px) {
  :root {
    scroll-padding: 150px;
  }
}

/* ==========================================================================
   投稿ページ (single.php) スタイル
   ========================================================================== */

/* サイトメイン */
.site-main {
  padding: 181px 0 0;
  overflow: visible;
}

@media screen and (max-width: 768px) {
  .site-main {
    padding: calc(108 / 390 * 100vw) 0 0;
  }
}

/* コンテナ */
.site-main > .container {
  margin: 0 auto;
  width: 1024px;
  padding: 50px 0 100px;
}

@media screen and (max-width: 1320px) {
  .site-main > .container {
    width: 96%;
  }
}

@media screen and (max-width: 768px) {
  .site-main > .container {
    width: 89.75%;
    padding: calc(30 / 390 * 100vw) 0 calc(50 / 390 * 100vw);
  }
}

/* サイトコンテンツ（2カラムレイアウト） */
.site-content {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 50px;
}

@media screen and (max-width: 1024px) {
  .site-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* コンテンツエリア */
.content-area {
  min-width: 0;
}

/* 記事ヘッダー */
.entry-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #ddd;
}

.entry-title {
  font-weight: bold;
  font-size: 28px;
  line-height: 1.5;
  color: #222;
  margin-bottom: 15px;
}

@media screen and (max-width: 768px) {
  .entry-title {
    font-size: calc(22 / 390 * 100vw);
    margin-bottom: calc(10 / 390 * 100vw);
  }
}

/* 投稿メタ情報 */
.entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 15px;
  font-size: 14px;
  color: #666;
}

.entry-meta .posted-on {
  display: flex;
  align-items: center;
  gap: 5px;
}

.entry-meta .cat-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.entry-meta .cat-links a {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color01);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  border-radius: 3px;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.entry-meta .cat-links a:hover {
  background-color: #1a52d6;
}

/* アイキャッチ画像 */
.post-thumbnail {
  margin-bottom: 30px;
  border-radius: 8px;
  overflow: hidden;
}

.post-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
}

/* 記事コンテンツ */
.entry-content {
  font-size: 16px;
  line-height: 2;
  color: #333;
}

.entry-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 50px 0 25px;
  padding: 15px 20px 15px 28px;
  background: linear-gradient(to right, rgba(39, 103, 250, 0.1), transparent);
  border-left: 4px solid var(--color01);
  border-radius: 0 4px 4px 0;
  color: #222;
}

.entry-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 35px 0 15px;
  padding-bottom: 10px;
  border-bottom: 2px dotted #ddd;
  color: #222;
}

.entry-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 25px 0 12px;
  color: #222;
}

.entry-content p {
  margin-bottom: 25px;
}

.entry-content ul,
.entry-content ol {
  margin: 25px 0;
  padding-left: 25px;
}

.entry-content ul {
  list-style: disc;
}

.entry-content ol {
  list-style: decimal;
}

.entry-content li {
  margin-bottom: 10px;
  line-height: 1.8;
}

.entry-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.entry-content blockquote {
  margin: 30px 0;
  padding: 25px;
  background-color: var(--color03);
  border-left: 4px solid var(--color01);
  font-style: italic;
}

.entry-content a {
  color: var(--color01);
  text-decoration: underline;
}

.entry-content a:hover {
  text-decoration: none;
}

.entry-content table {
  width: 100%;
  margin: 25px 0;
  border-collapse: collapse;
}

.entry-content table th,
.entry-content table td {
  padding: 12px 15px;
  border: 1px solid #ddd;
}

.entry-content table th {
  background-color: var(--color03);
  font-weight: 600;
}

@media screen and (max-width: 768px) {
  .entry-content {
    font-size: calc(14 / 390 * 100vw);
  }

  .entry-content h2 {
    font-size: calc(18 / 390 * 100vw);
    margin: calc(35 / 390 * 100vw) 0 calc(20 / 390 * 100vw);
    padding: calc(12 / 390 * 100vw) calc(15 / 390 * 100vw) calc(12 / 390 * 100vw) calc(20 / 390 * 100vw);
  }

  .entry-content h3 {
    font-size: calc(16 / 390 * 100vw);
    margin: calc(25 / 390 * 100vw) 0 calc(12 / 390 * 100vw);
  }
}

/* 記事フッター */
.entry-footer {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #ddd;
  font-size: 14px;
  color: #666;
}

.entry-footer .edit-link a {
  color: var(--color01);
  text-decoration: none;
}

.entry-footer .edit-link a:hover {
  text-decoration: underline;
}

/* 投稿ナビゲーション */
.post-navigation {
  margin-top: 50px;
}

.post-navigation .nav-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
  display: block;
}

.post-navigation .nav-previous a,
.post-navigation .nav-next a {
  display: block;
  padding: 20px;
  background-color: var(--color03);
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.post-navigation .nav-previous a:hover,
.post-navigation .nav-next a:hover {
  background-color: #e5e7eb;
}

.post-navigation .nav-subtitle {
  display: block;
  font-size: 13px;
  color: #666;
  margin-bottom: 8px;
}

.post-navigation .nav-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: #222;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media screen and (max-width: 768px) {
  .post-navigation .nav-links {
    grid-template-columns: 1fr;
  }
}

/* サイドバー */
.sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.sidebar .widget {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 25px;
}

.sidebar .widget-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 15px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color01);
  color: #222;
}

.sidebar .widget ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar .widget ul li {
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px dotted #eee;
}

.sidebar .widget ul li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar .widget ul li a {
  display: block;
  color: #333;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.6;
}

.sidebar .widget ul li a:hover {
  color: var(--color01);
}

/* 検索フォーム */
.sidebar .search-form {
  display: flex;
}

.sidebar .search-form .search-field {
  flex: 1;
  padding: 10px 15px;
  border: 1px solid #ddd;
  border-radius: 5px 0 0 5px;
  font-size: 14px;
  outline: none;
}

.sidebar .search-form .search-field:focus {
  border-color: var(--color01);
}

.sidebar .search-form .search-submit {
  padding: 10px 15px;
  background-color: var(--color01);
  color: #fff;
  border: none;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.2s ease;
}

.sidebar .search-form .search-submit:hover {
  background-color: #1a52d6;
}

@media screen and (max-width: 1024px) {
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media screen and (max-width: 768px) {
  .sidebar {
    grid-template-columns: 1fr;
  }
}