@charset "UTF-8";
:root {
  --main-color: #3abee9;
  --sub-color: #14c3c9;
  --link-color: #238acb;
}

.idx {
  font-family: "Noto Sans JP", sans-serif;
  box-sizing: border-box;
}
.idx * {
  box-sizing: border-box;
}
.idx a,
.idx img {
  display: block;
}

/*
  header
========================================================================== */
.header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.header .l-block h1 {
  font-size: max(0.857vw,11px);
  color: #333333;
  line-height: 1;
  padding: max(0.714vw,9px) 0 0 max(2.143vw,27px);
}
.header .l-block .logo {
  display: block;
  width: max(15.214vw,197px);
  margin: max(3.214vw,41px) 0 0 max(4.143vw,53px);
}
.header .r-block {
  display: flex;
  align-items: center;
  column-gap: max(1.071vw,13px);
  padding-right: max(0.857vw,11px);
}
.header .r-block .txt {
  font-size: max(1vw,13px);
  color: #270707;
  line-height: 1;
  font-weight: 600;
}
.header .r-block .tel {
  width: max(15.714vw,204px);
  height: max(3.214vw,41px);
  background-color: #f1f1f1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: max(1.571vw,20px);
  color: #2e2e2e;
  line-height: 1;
  letter-spacing: 0.1em;
}
.header .r-block .tel span {
  position: relative;
  padding-left: max(1.286vw,16px);
}
.header .r-block .tel span::before {
  content: "";
  position: absolute;
  top: max(0.143vw,1px);
  left: 0;
  width: max(1.071vw,13px);
  aspect-ratio: 15/18;
  background-image: url(../images/common/header_ico_01.png);
  background-size: cover;
}
.header .r-block .btn {
  width: max(15.714vw,204px);
  height: max(3.214vw,41px);
  background-color: #3abee9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: max(1.143vw,14px);
  color: #fff;
  line-height: 1;
}
.header .r-block .btn span {
  position: relative;
  padding-left: max(2.143vw,27px);
}
.header .r-block .btn span::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: max(1.5vw,19px);
  aspect-ratio: 21/14;
  background-image: url(../images/common/header_ico_02.png);
  background-size: cover;
}

/*
  gnav
========================================================================== */
.gnav {
  padding: max(1.429vw,18px);
}
.gnav ul {
  display: flex;
  justify-content: center;
}
.gnav ul li {
  border-right: 1px solid #2e2e2e;
}
.gnav ul li:first-child {
  border-left: 1px solid #2e2e2e;
}
.gnav ul li a {
  font-size: max(1.071vw,13px);
  color: #2e2e2e;
  line-height: 1;
  letter-spacing: max(0.143vw,1px);
  text-align: center;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: max(0.643vw,8px) max(3.286vw,42px);
}

/*
  footer
========================================================================== */
.footer {
  font-family: "Noto Sans JP", sans-serif;
}
.footer .inr {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding: max(4.857vw,63px) max(5vw,65px) max(4.714vw,61px) max(8.143vw,105px);
  background-image: url(../images/common/footer_bg.jpg);
  background-size: cover;
  background-position: center top;
}
.footer .foot_l {
  width: max(27.857vw,362px);
}
.footer .foot_r {
  width: max(54.571vw,709px);
}
.footer .logo {
  width: 100%;
  margin: 0 auto max(4.286vw,55px);
}
.footer .tel {
  font-family: "Roboto", sans-serif;
  font-size: max(2.5vw,32px);
  color: #fff;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.05em;
  position: relative;
  width: fit-content;
  margin: 0 auto;
  margin-bottom: max(2.286vw,29px);
  padding-left: max(2.143vw,27px);
}
.footer .tel::before {
  content: "";
  position: absolute;
  top: max(0.286vw,3px);
  left: 0;
  width: max(1.643vw,21px);
  height: max(1.857vw,24px);
  background-image: url(../images/common/footer_ico_01.png);
  background-size: cover;
}
.footer .btns {
  width: max(19.286vw,250px);
  margin: 0 auto max(4.857vw,63px);
}
.footer .btns .btn + .btn {
  margin-top: max(0.857vw,11px);
}
.footer .acs {
  font-family: "Noto Sans JP", sans-serif;
  font-size: max(1.071vw,13px);
  color: #fff;
  width: fit-content;
  margin: 0 auto max(2vw,26px);
}
.footer .acs li {
  position: relative;
  padding-left: max(3.857vw,50px);
  line-height: 1.4;
}
.footer .acs li::before {
  content: "";
  position: absolute;
  top: 0;
  left: max(1.071vw,13px);
  width: max(2.143vw,27px);
  height: max(2.143vw,27px);
  background-image: url(../images/common/footer_ico_02.png);
  background-size: cover;
}
.footer .acs li:nth-of-type(2)::before {
  background-image: url(../images/common/footer_ico_03.png);
}
.footer .acs li:nth-of-type(3)::before {
  background-image: url(../images/common/footer_ico_04.png);
}
.footer .acs li span {
  display: block;
  margin-top: max(0.714vw,9px);
}
.footer .acs li + li {
  margin-top: max(1vw,13px);
}
.footer .timetable table {
  width: 100%;
  margin: 0 auto;
  font-family: "Noto Sans JP", sans-serif;
}
.footer .timetable table, .footer .timetable td, .footer .timetable th {
  border-collapse: collapse;
  text-align: center;
  color: #fff;
  font-weight: 500;
  line-height: 1;
}
.footer .timetable thead {
  border-top: 1px solid #fff;
}
.footer .timetable thead th, .footer .timetable thead td {
  font-size: max(1.071vw,13px);
}
.footer .timetable tbody {
  border-top: 1px solid #fff;
  border-bottom: 1px solid #fff;
}
.footer .timetable tbody tr:first-child {
  border-bottom: 1px solid #fff;
}
.footer .timetable tbody th {
  font-size: max(1.214vw,15px);
}
.footer .timetable tbody td {
  font-size: max(0.929vw,12px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer .timetable tr {
  display: flex;
}
.footer .timetable th, .footer .timetable td {
  padding: max(0.5vw,6px) 0;
}
.footer .timetable th {
  width: max(10.714vw,139px);
}
.footer .timetable td {
  width: calc((100% - 10.714vw) / 7);
}
.footer .timetable .note {
  margin: max(0.857vw,11px) 0 0;
  font-size: max(1.071vw,13px);
  color: #fff;
  font-family: "Noto Sans JP", sans-serif;
}
.footer nav li.nowrap {
  white-space: nowrap;
  width: 50% !important;
}
.footer nav a {
  font-size: max(1vw,13px);
  color: #fff;
  font-weight: 500;
  line-height: 1;
  font-feature-settings: "palt";
  font-family: "Noto Sans JP", sans-serif;
  position: relative;
  width: fit-content;
  padding-left: max(1.143vw,14px);
}
.footer nav a::before {
  content: "▶";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  font-size: max(0.714vw,9px);
  line-height: 1;
  font-family: "Noto Sans JP", sans-serif;
}
.footer nav .col_01 {
  display: flex;
  flex-wrap: wrap;
  padding: max(1.429vw,18px) max(0.714vw,9px);
  border-top: 1px solid #fff;
}
.footer nav .col_01:first-child {
  border-top: none;
}
.footer nav .col_02 {
  display: flex;
  flex-wrap: wrap;
  padding: max(1.429vw,18px) 0;
  border-top: 1px solid #fff;
}
.footer nav .col_02 ul:first-child li:nth-of-type(6) {
  margin-top: max(1.786vw,23px);
  padding: max(0.357vw,4px) max(0.714vw,9px) max(0.5vw,6px);
  background-color: rgba(50, 55, 56, 0.65);
}
.footer nav .col_02 ul:first-child li:nth-of-type(6) a::before {
  content: "■";
  font-size: max(0.857vw,11px);
  line-height: 1;
  font-family: "Noto Sans JP", sans-serif;
}
.footer nav .col_02 li + li {
  margin-top: max(1.143vw,14px);
  padding: 0 max(0.714vw,9px);
}
.footer nav .col_02 li:first-child {
  padding: max(0.357vw,4px) max(0.714vw,9px) max(0.5vw,6px);
  background-color: rgba(50, 55, 56, 0.65);
}
.footer nav .col_02 li:first-child a {
  width: max(13.714vw,178px);
}
.footer nav .col_02 li:first-child a::before {
  content: "■";
  font-size: max(0.857vw,11px);
  line-height: 1;
  font-family: "Noto Sans JP", sans-serif;
}
.footer nav .u1 {
  gap: max(1.429vw,18px) max(0.714vw,9px);
  padding-top: 0;
}
.footer nav .u1 li {
  width: max(10.714vw,139px);
}
.footer nav .u1 li:nth-of-type(2),
.footer nav .u1 li:nth-of-type(6) {
  width: max(12.143vw,157px);
}
.footer nav .u1 li:nth-of-type(3),
.footer nav .u1 li:nth-of-type(7) {
  width: max(10vw,130px);
}
.footer nav .u1 li:nth-of-type(4) {
  width: max(14.286vw,185px);
}
.footer nav .u2 {
  gap: max(1.143vw,14px) max(2.571vw,33px);
}
.footer nav .u2 .ff{
  padding: 0 !important;
  background-color: initial !important;
}
.footer nav .u2 .ff span {
  display: block;
  font-size: max(1vw, 13px);
  color: #fff;
  font-weight: 500;
  line-height: 1;
  font-feature-settings: "palt";
  font-family: "Noto Sans JP", sans-serif;
  position: relative;
  padding-left: max(1.143vw, 14px);
  width: max(15.143vw, 196px);
  padding: max(0.357vw, 4px) max(0.714vw, 9px) max(0.5vw, 6px);
  background-color: rgba(50, 55, 56, .65);
}
.footer nav .u2 .ff span::before {
  content: "■";
  font-size: max(0.857vw,11px);
  line-height: 1;
  font-family: "Noto Sans JP", sans-serif;
  margin-right: max(0.286vw,3px);
}
.footer nav .u3 {
  gap: max(1.143vw,14px) max(0.143vw,1px);
}
.footer nav .u3 li {
  width: 33%;
}
.footer nav .u4 {
  gap: max(1.143vw,14px) 0;
}
.footer nav .u4 li {
  width: 33%;
}
.footer nav .u4 li:first-child {
  width: 100%;
}
.footer nav .u4 li:first-child span {
  display: block;
  font-size: max(1vw,13px);
  color: #fff;
  font-weight: 500;
  line-height: 1;
  font-feature-settings: "palt";
  font-family: "Noto Sans JP", sans-serif;
  position: relative;
  padding-left: max(1.143vw,14px);
  width: max(15.143vw,196px);
  padding: max(0.357vw,4px) max(0.714vw,9px) max(0.5vw,6px);
  background-color: rgba(50, 55, 56, 0.65);
}
.footer nav .u4 li:first-child span::before {
  content: "■";
  font-size: max(0.857vw,11px);
  line-height: 1;
  font-family: "Noto Sans JP", sans-serif;
  margin-right: max(0.286vw,3px);
}
.footer nav .u5 {
  gap: max(1.143vw,14px) max(5vw,65px);
}
.footer .bnrs {
  display: flex;
  flex-wrap: wrap;
  gap: max(1.143vw,14px) max(0.857vw,11px);
}
.footer .bnrs a {
  display: block;
  width: max(12.857vw,167px);
}
.footer .humanity {
  position: absolute;
  right: max(5vw,65px);
  bottom: max(3.857vw,50px);
  width: max(5vw,65px);
}
.footer .copy {
  font-size: max(1vw,13px);
  color: #fff;
  line-height: 1;
  text-align: center;
  padding: max(0.929vw,12px);
  background-color: #00bceb;
}

/* pagetop */
.pagetop {
  display: none;
  position: fixed;
  bottom: 40px;
  right: 20px;
  z-index: 1000;
  width: 40px;
  cursor: pointer;
}

/*
  mainPhoto
========================================================================== */
.mainPhoto {
  margin: 0 auto;
  width: 100%;
}

/*
  sidemenu / sidebanner
========================================================================== */
/* sidemenu */
.sidemenu {
  position: relative;
  font-family: "Noto Sans JP", sans-serif;
}
.sidemenu .inr {
  position: relative;
  padding: 56px 24px 50px;
  background-color: #fff;
  border: 1px solid #363636;
}
.sidemenu .inr::before {
  content: "";
  position: absolute;
  top: -38px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 68px;
  background-color: #363636;
}
.sidemenu .ttl {
  font-size: 36px;
  color: #242424;
  line-height: 1;
  text-align: center;
  letter-spacing: 0.1em;
  margin-bottom: 54px;
  font-family: "Jost", sans-serif;
}
.sidemenu .box + .box {
  margin-top: 50px;
}
.sidemenu .box p {
  font-size: 16px;
  color: #009acc;
  line-height: 1;
  margin-bottom: 6px;
  padding: 7px 9px;
  background-color: rgba(0, 154, 204, 0.1);
}
.sidemenu ul li {
  border-bottom: 1px dashed #2e2e2e;
}
.sidemenu ul li a {
  position: relative;
  font-size: 16px;
  color: #2e2e2e;
  line-height: 1.2;
  display: flex;
  align-items: center;
  padding: 0 10px;
  height: 50px;
}

/* sidebanner */
.sidebanner {
  margin-top: 55px;
}
.sidebanner ul li + li {
  margin-top: 30px;
}

/*
  lowinfo
========================================================================== */
.lowinfo {
  /* margin-topの値は変更しないでください */
  margin-top: 20px;
  padding: 17px 25px;
  background-image: url(../images/common/lowinfo_bg.jpg);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  aspect-ratio: 800/460;
}
.lowinfo .bg {
  width: 330px;
  height: 100%;
  padding: 26px 17px 0;
  background-color: rgba(255, 255, 255, 0.7);
}
.lowinfo .logo {
  margin: 0 auto 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid #7b7b7b;
}
.lowinfo .logo img {
  width: 180px;
  margin: 0 auto;
}
.lowinfo .tel {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #7b7b7b;
}
.lowinfo .tel .txt {
  font-size: 16px;
  color: #3abee9;
  line-height: 1;
  text-align: center;
  margin-bottom: 10px;
  font-family: "Times New Roman", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "YuMincho", "Yu Mincho", "游明朝体", "Noto Serif JP", serif;
}
.lowinfo .tel .num {
  font-size: 34px;
  color: #2e2e2e;
  line-height: 1;
  text-align: center;
  font-family: "Roboto", sans-serif;
}
.lowinfo .tel .num span {
  position: relative;
  padding-left: 30px;
}
.lowinfo .tel .num span::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 23px;
  height: 26px;
  background-image: url(../images/common/lowinfo_ico_01.png);
  background-size: cover;
}
.lowinfo .acs {
  font-size: 12px;
  color: #343434;
  line-height: 1.4;
}
.lowinfo .acs li {
  padding-left: 30px;
  position: relative;
}
.lowinfo .acs li + li {
  margin-top: 14px;
}
.lowinfo .acs li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 17px;
  height: 27px;
  background-image: url(../images/common/lowinfo_ico_02.png);
  background-size: cover;
}
.lowinfo .acs li:nth-of-type(1) {
  font-size: 16px;
}
.lowinfo .acs li:nth-of-type(1)::before {
  left: 3px;
}
.lowinfo .acs li:nth-of-type(2)::before {
  left: 3px;
  width: 17px;
  height: 24px;
  background-image: url(../images/common/lowinfo_ico_03.png);
}
.lowinfo .acs li:nth-of-type(3)::before {
  width: 24px;
  height: 21px;
  background-image: url(../images/common/lowinfo_ico_04.png);
}

/*
  ページキャッチ・見出し・コラム
========================================================================== */
/* page-catch */
.page-catch {
  /* margin-bottomの値は変更しないでください */
  margin-top: 0;
  margin-right: 0;
  margin-bottom: 40px;
  margin-left: 10px;
  padding: 40px 20px 42px 30px;
  text-align: center;
  font-family: "Times New Roman", "YuMincho", "Yu Mincho", "游明朝体", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  font-size: 18px;
  line-height: 1.8;
  letter-spacing: 0.1em;
  background-image: url(../images/common/page-catch_bg.jpg);
  background-size: contain;
  position: relative;
}

.page-catch::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid #3abee9;
  position: absolute;
  top: 10px;
  left: -10px;
  z-index: 2;
  pointer-events: none;
}

/* 見出し */
.ttl-low {
  /* margin-bottomの値は変更しないでください */
  margin-bottom: 15px;
  padding: 12px 10px 10px 50px;
  font-family: "Times New Roman", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "YuMincho", "Yu Mincho", "游明朝体", "Noto Serif JP", serif;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: 0.1em;
  background-size: contain;
  background-repeat: repeat;
  color: #fff;
  position: relative;
}
.ttl-low::before {
  content: "";
  position: absolute;
  left: 18px;
  bottom: 0;
  width: 6px;
  height: calc(100% - 6px);
  background-color: #fff;
}

.ttl-low1-1 {
  background-image: url(../images/common/ttl_low1_1_bg.jpg);
}

.ttl-low1-2 {
  background-image: url(../images/common/ttl_low1_2_bg.jpg);
}

.ttl-low1-3 {
  background-image: url(../images/common/ttl_low1_3_bg.jpg);
}

.ttl-low2 {
  /* margin-bottomの値は変更しないでください */
  margin-bottom: 15px;
  padding: 10px 0 8px 42px;
  font-family: "Times New Roman", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "YuMincho", "Yu Mincho", "游明朝体", "Noto Serif JP", serif;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: 0.1em;
  border-bottom-width: 1px;
  border-bottom-style: solid;
  border-left-width: 10px;
  border-left-style: solid;
  position: relative;
}
.ttl-low2::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 3px;
  width: 3px;
  height: 100%;
}

.ttl-low2-1 {
  border-bottom-color: #3abee9;
  border-left-color: #3abee9;
  color: #3abee9;
}
.ttl-low2-1::before {
  background-color: #3abee9;
}

.ttl-low2-2 {
  border-bottom-color: #14c3c9;
  border-left-color: #14c3c9;
  color: #14c3c9;
}
.ttl-low2-2::before {
  background-color: #14c3c9;
}

.ttl-low2-3 {
  border-bottom-color: #238acb;
  border-left-color: #238acb;
  color: #238acb;
}
.ttl-low2-3::before {
  background-color: #238acb;
}

.ttl-low3 {
  /* margin-bottomの値は変更しないでください */
  margin-bottom: 10px;
  padding: 12px 1em 10px 1em;
  text-align: center;
  font-family: "Times New Roman", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "YuMincho", "Yu Mincho", "游明朝体", "Noto Serif JP", serif;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: 0.1em;
  border-top-width: 1px;
  border-top-style: dashed;
  border-bottom-width: 1px;
  border-bottom-style: dashed;
}

.ttl-low3-1 {
  border-top-color: #3abee9;
  border-bottom-color: #3abee9;
  color: #3abee9;
}

.ttl-low3-2 {
  border-top-color: #14c3c9;
  border-bottom-color: #14c3c9;
  color: #14c3c9;
}

.ttl-low3-3 {
  border-top-color: #238acb;
  border-bottom-color: #238acb;
  color: #238acb;
}

.ttl-low4 {
  /* ↓変更しないでください */
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  margin-bottom: 10px;
  font-family: "Times New Roman", "YuMincho", "Yu Mincho", "游明朝体", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  font-size: 16px;
  line-height: 1.3;
  letter-spacing: 0.1em;
}

.ttl-low4 > span {
  /* ↓変更しないでください */
  margin: 2.5px 0;
  /* ↑変更しないでください */
}

.ttl-low4 > span:nth-of-type(n+2) {
  /* ↓変更しないでください */
  flex: 0 1 auto;
  width: auto;
  min-width: 0;
  /* ↑変更しないでください */
  padding: 3px 0 1px 0;
}

.ttl-low4 > span:nth-of-type(1) {
  /* ↓変更しないでください */
  flex: 0 1 auto;
  /* ↑変更しないでください */
  margin-right: 10px;
  padding: 3px 5px 1px 5px;
  width: auto;
  min-width: 0;
  color: #fff;
  white-space: nowrap;
}

.ttl-low4-1 > span:nth-of-type(1) {
  background-color: #3abee9;
}

.ttl-low4-2 > span:nth-of-type(1) {
  background-color: #14c3c9;
}

.ttl-low4-3 > span:nth-of-type(1) {
  background-color: #238acb;
}

.ttl-low5 {
  /* margin-bottomの値は変更しないでください */
  margin-bottom: 15px;
  padding: 9px 1em 7px 1em;
  text-align: center;
  color: #fff;
  font-family: "Times New Roman", "YuMincho", "Yu Mincho", "游明朝体", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: 0.1em;
  border-radius: 100px;
}

.ttl-low5-1 {
  background-color: #3abee9;
}

.ttl-low5-2 {
  background-color: #14c3c9;
}

.ttl-low5-3 {
  background-color: #238acb;
}

/* コラム */
.colunm {
  padding: 30px 30px 20px;
  background: #fff9ec;
  border: 1px solid #f8e371;
}

.colunm .ttl-btn {
  margin-bottom: 20px;
  padding: 7px 30px 5px 90px;
  text-align: center;
  color: #2e2e2e;
  font-family: "Times New Roman", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "YuMincho", "Yu Mincho", "游明朝体", "Noto Serif JP", serif;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: 0.05em;
  background: #f8e371;
  position: relative;
}

.colunm .ttl-btn .colum {
  padding: 3px 24px;
  color: #f8e371;
  font-family: "Times New Roman", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", "YuMincho", "Yu Mincho", "游明朝体", "Noto Serif JP", serif;
  font-size: 16px;
  background: #fff;
  border: 1px solid #f8e371;
  position: absolute;
  top: -5px;
  left: -14px;
  transform: rotate(-20deg);
}

.colum::before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  border-color: transparent transparent #f8e371 transparent;
  border-width: 0px 5px 10px 5px;
  transform: rotate(180deg);
  bottom: -10px;
  right: 19px;
}

.colum::after {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  border-color: transparent transparent #fff transparent;
  border-width: 0px 4.5px 9px 4.5px;
  transform: rotate(180deg);
  bottom: -6px;
  right: 20px;
}

.colunm + .colunm {
  border: 1px solid #c8ed8e;
  background-color: #f4fce7;
}

.colunm + .colunm .ttl-btn {
  background: #c8ed8e;
}

.colunm + .colunm .ttl-btn .colum {
  color: #c8ed8e;
  border: 1px solid #c8ed8e;
}

.colunm + .colunm .colum::before {
  border-color: transparent transparent #c8ed8e transparent;
}