:root {
  --form-height: 80px;
  --form-font: 1.9rem;
}

.paging {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}
.paging a {
  width: 25px;
  height: 35px;
  border: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}
.paging .arr,
.paging ul {
  column-gap: 20px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}
.paging .arr svg {
  width: 7px;
  height: 12px;
  filter: brightness(0);
}
.paging .arr .angle-cls {
  stroke-width: 2.5px;
}
.paging .arr .first svg,
.paging .arr .last svg {
  margin: 0 -0.05em;
}
.paging ul {
  padding: 0 20px;
}
.paging ul li a {
  color: var(--color-gray);
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1;
  position: relative;
  transition: all 0.4s;
}
.paging ul li a::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background: var(--color-main);
  transition: all 0.4s var(--slow);
  position: absolute;
  top: calc(100% - 2px);
  left: 50%;
  transform: translateX(-50%);
}
.paging ul li:hover a, .paging ul li.on a {
  color: var(--color-main);
}
.paging ul li:hover a::after, .paging ul li.on a::after {
  width: 100%;
}

input[type=checkbox] {
  width: 23px;
  height: 23px;
  flex-shrink: 0;
  background: var(--color-white) url("/img/sub/icon_check.png") no-repeat center/13px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  appearance: none;
  cursor: pointer;
}
input[type=checkbox]:checked {
  background-color: var(--color-main);
  background-image: url("/img/sub/icon_checked.png");
  border-color: var(--color-main);
}

textarea {
  resize: none;
}

select {
  border: none;
  outline: none;
  appearance: none;
  background: #fff url("/img/sub/angle_select.png") no-repeat calc(100% - 30px) center;
}
select::-ms-expand {
  display: none;
}

.board-box {
  border-top: 1px solid #111;
}
.board-box .list {
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.board-box .list::after {
  content: "";
  display: block;
  width: 0;
  height: 1px;
  background: var(--color-main);
  position: absolute;
  left: 0;
  top: 100%;
  transition: all 0.6s var(--slow);
}
.board-box .list:hover::after {
  width: 100%;
}
.board-box a {
  display: flex;
  align-items: center;
  padding: 40px 0;
}
.board-box a *:not(.number) {
  font-family: var(--font-pretendard);
}
.board-box a .center {
  text-align: center;
}
.board-box a h6 {
  width: 100%;
  height: 1.3em;
  color: #111;
  font-size: 2.2rem;
  font-weight: 500;
  padding: 0 20px;
  -webkit-line-clamp: 1;
  overflow: hidden;
  word-wrap: break-word;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}
.board-box a h6.small {
  font-size: 2rem;
}
.board-box a em,
.board-box a span {
  display: inline-flex;
  flex-shrink: 0;
  justify-content: center;
  font-size: 1.8rem;
}
.board-box a em {
  width: 180px;
  color: var(--color-main);
  font-weight: 600;
}
.board-box a span {
  width: 240px;
}
.board-box a span img.gray {
  filter: grayscale(1) brightness(3.8);
}
.board-box a .date {
  color: var(--color-gray);
  font-weight: 500;
}
.board-box a .writer {
  color: #555;
  font-weight: 300;
}

.view-box .top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  column-gap: 20px;
  border-bottom: 1px solid var(--color-black);
  padding-bottom: 40px;
}
.view-box .top h4 {
  height: 1.3em;
  font-size: 4.8rem;
  font-weight: 500;
  -webkit-line-clamp: 1;
  overflow: hidden;
  word-wrap: break-word;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}
.view-box .top .row {
  justify-content: flex-end;
  column-gap: 20px;
}
.view-box .top .row * {
  color: var(--color-gray);
  font-size: 1.7rem;
  font-weight: 600;
}
.view-box .top .row p {
  display: flex;
  column-gap: 10px;
}
.view-box .content .text * {
  word-break: normal;
}
.view-box .content .text {
  padding: 20px;
}
.view-box .content .file-box {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  row-gap: 5px;
  padding: 30px 0;
}
.view-box .content .file-box a {
  display: inline-flex;
  align-items: center;
  column-gap: 10px;
  color: #888;
  font-weight: 500;
  line-height: 1.3;
  font-family: var(--font-pretendard);
}
.view-box .post-box {
  display: flex;
  column-gap: 40px;
  margin: 80px 0 0;
}
.view-box .post-box .post {
  width: 100%;
  display: flex;
  flex-direction: column;
  row-gap: 10px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 20px;
}
.view-box .post-box * {
  font-weight: 500;
  font-family: var(--font-pretendard);
}
.view-box .post-box em {
  color: var(--color-gray);
  font-size: 1.7rem;
  font-weight: 600;
}
.view-box .post-box p {
  height: 1.3em;
  color: #333;
  font-size: 2.3rem;
  font-weight: 500;
  -webkit-line-clamp: 1;
  overflow: hidden;
  word-wrap: break-word;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}
.view-box + .button {
  margin: 0 auto;
}

.form-box {
  display: flex;
  flex-wrap: wrap;
  row-gap: 40px;
  column-gap: 80px;
}
.form-box * {
  color: #888;
  font-size: var(--form-font);
  font-family: var(--font-pretendard);
}
.form-box select,
.form-box input[type=text],
.form-box textarea {
  width: 100%;
  background-color: transparent;
  border: 2px solid var(--color-border);
  border-radius: 5px;
}
.form-box select::placeholder,
.form-box input[type=text]::placeholder,
.form-box textarea::placeholder {
  color: #888;
}
.form-box select,
.form-box input[type=text] {
  padding: 0 30px;
  height: var(--form-height);
}
.form-box textarea {
  height: 240px;
  padding: 30px;
}
.form-box > dl {
  width: calc(50% - 40px);
  display: flex;
  flex-direction: column;
  row-gap: 10px;
}
.form-box > dl.width100 {
  width: 100%;
}
.form-box > dl dt {
  color: #111;
  font-size: 2.1rem;
  font-weight: 600;
}
.form-box > dl dt em {
  color: #fd0000;
}
.form-box > dl dd .row {
  align-items: center;
  column-gap: 10px;
}
.form-box > dl dd .row span {
  flex-shrink: 0;
}
.form-box .email span {
  color: #333;
  font-size: 1.7rem;
  font-weight: 300;
}
.form-box .file label {
  width: 200px;
  flex-shrink: 0;
  height: var(--form-height);
  background: #222;
  border-radius: 5px;
  color: var(--color-white);
  font-size: 1.7rem;
  font-weight: 600;
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}
.form-box .file label input[type=file] {
  opacity: 0;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.form-box .captcha figure,
.form-box .captcha button {
  flex-shrink: 0;
}
.form-box .captcha figure {
  width: 200px;
  height: var(--form-height);
  overflow: hidden;
}
.form-box .captcha figure img {
  width: 100%;
  height: 100%;
}
.form-box .captcha button {
  width: var(--form-height);
  height: var(--form-height);
  background: #222;
  border-radius: 5px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}
.form-box .agree {
  column-gap: 10px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
.form-box .text-box {
  height: 240px;
  border: 2px solid var(--color-border);
  border-radius: 5px;
  padding: 10px;
}
.form-box .text-box * {
  color: #888;
  font-size: 1.7rem;
  font-weight: 300;
  line-height: 1.5;
}
.form-box .text-box .inner {
  height: 100%;
  padding: 20px;
  overflow-y: scroll;
}
.form-box .text-box .inner::-webkit-scrollbar {
  width: 4px;
}
.form-box .text-box .inner::-webkit-scrollbar-track, .form-box .text-box .inner::-webkit-scrollbar-thumb {
  border-radius: 100px;
}
.form-box .text-box .inner::-webkit-scrollbar-track {
  background: var(--color-border);
}
.form-box .text-box .inner::-webkit-scrollbar-thumb {
  background: #222;
}
.form-box .text-box .text,
.form-box .text-box .dl-box {
  display: flex;
  flex-direction: column;
}
.form-box .text-box .text {
  row-gap: 30px;
}
.form-box .text-box .dl-box {
  row-gap: 20px;
}
.form-box .text-box .dl-box > dl dt {
  color: #555;
  font-weight: 500;
}

.form-button {
  margin: 0 auto;
}

@media (max-width: 1400px) {
  .view-box .top h4 {
    font-size: 4rem;
  }
  .form-box {
    column-gap: 20px;
  }
  .form-box > dl {
    width: calc(50% - 10px);
  }
}
@media (max-width: 1200px) {
  :root {
    --form-height: 70px;
  }
  select {
    background-position: calc(100% - 20px) center;
  }
  .board-box a em,
  .board-box a span {
    font-size: 1.6rem;
  }
  .board-box a em {
    width: 100px;
  }
  .board-box a h6 {
    font-size: 2rem;
  }
  .board-box a span {
    width: 180px;
  }
  .view-box .top {
    flex-direction: column;
    row-gap: 20px;
    column-gap: 0;
    align-items: flex-start;
  }
  .view-box .top h4 {
    font-size: 3.6rem;
  }
  .view-box .post-box {
    column-gap: 20px;
    margin: 60px 0 0;
  }
  .form-box select,
  .form-box input[type=text] {
    padding: 0 20px;
  }
  .form-box textarea {
    padding: 20px;
  }
  .form-box .file label {
    width: 160px;
  }
  .form-box .captcha figure {
    width: 160px;
  }
}
@media (max-width: 1024px) {
  .board-box a em {
    width: 80px;
  }
  .board-box a h6 {
    font-size: 1.9rem;
  }
  .board-box a h6.small {
    font-size: 1.8rem;
  }
  .board-box a span {
    width: 120px;
  }
  .view-box .top h4 {
    font-size: 2.9rem;
  }
  .view-box .post-box .post {
    padding: 30px 20px;
  }
  .view-box .post-box em {
    font-size: 1.6rem;
  }
  .view-box .post-box p {
    font-size: 1.9rem;
  }
  .form-box > dl {
    width: 100%;
  }
  .form-box .text-box .inner {
    padding: 10px;
  }
}
@media (max-width: 768px) {
  .paging .arr {
    column-gap: 10px;
  }
  .paging ul {
    column-gap: 15px;
  }
  .board-box a {
    flex-wrap: wrap;
    justify-content: flex-end;
    row-gap: 5px;
    column-gap: 20px;
    padding: 20px;
  }
  .board-box a em {
    width: 100%;
    justify-content: flex-start;
  }
  .board-box a .center {
    text-align: left;
  }
  .board-box a h6 {
    padding: 0;
  }
  .board-box a h6.small {
    width: 100%;
  }
  .board-box a span {
    width: auto;
    justify-content: flex-end;
  }
  .view-box .top {
    row-gap: 10px;
  }
  .view-box .top h4 {
    font-size: 2.3rem;
  }
  .view-box .top .row * {
    font-size: 1.5rem;
  }
  .view-box .post-box {
    column-gap: 10px;
    margin: 40px 0 0;
  }
}
@media (max-width: 600px) {
  :root {
    --form-height: 60px;
  }
  .paging .arr {
    column-gap: 5px;
  }
  .paging a {
    width: 20px;
  }
  .paging ul li a {
    font-size: 1.6rem;
  }
  .board-box a h6 {
    font-size: 1.8rem;
  }
  .board-box a h6.small {
    font-size: 1.7rem;
  }
  .view-box .top {
    padding-bottom: 20px;
  }
  .view-box .content .text {
    padding: 20px 10px;
  }
  .view-box .post-box .post {
    row-gap: 5px;
    padding: 20px 10px;
  }
  .view-box .post-box em {
    font-size: 1.5rem;
  }
  .view-box .post-box p {
    font-size: 1.7rem;
  }
  .form-box {
    row-gap: 30px;
  }
  .form-box textarea {
    height: 180px;
  }
  .form-box > dl dt {
    font-size: 1.9rem;
  }
  .form-box > dl dd .row {
    column-gap: 5px;
  }
  .form-box .file label {
    width: 120px;
  }
  .form-box .captcha figure {
    width: 130px;
  }
}