@charset "UTF-8";

/*!
 * About Style
 * Author: SSTA
 * Date: 2026-06-16
 */

/* =================================================
   1. About Container Settings
   ================================================= */


/* =================================================
   2. About Section
   ================================================= */
/* --- PC Layout (1201px~) --- */
.about_lead {
  text-align: center;
  margin-bottom: 55px;
}

.lead_catch {
  display: block;
  font-size: 22px;
  font-weight: 600;
  color: #4a5f70;
  line-height: 1.6;
  margin-bottom: 15px;
}

.lead_text {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
  letter-spacing: 0.03em;
}

.features_wrapper {
  background: #fcfbfa;
  padding: 60px 0;
  margin-bottom: 60px;
}

.about_features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature_item {
  text-align: center;
  padding: 35px 30px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(74, 95, 112, 0.06);
  transition: transform 0.3s;
}

.feature_item:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 35px rgba(74, 95, 112, 0.1);
}

.feature_item i {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 70px;
  height: 70px;
  margin: 0 auto 23px;
  background: #fdfaf5;
  border: 1px solid #eee8db;
  border-radius: 50%;
  font-size: 1.7em;
  color: #b89a5e;
  transition: all 0.3s ease;
}

.feature_item:hover i {
  background: #b89a5e;
  color: #fff;
}

.feature_item h3 {
  font-size: 20px;
  margin-bottom: 20px;
  color: #4a5f70;
}

.feature_item p {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
}

.about_box {
  margin-bottom: 60px;
  padding: 40px;
  background: #f9f9f9;
  border-radius: 15px;
}

.about_box h3 {
  font-size: 22px;
  padding-left: 15px;
  border-left: 4px solid #b89a5e;
  margin-bottom: 20px;
  color: #4a5f70;
}

.about_box p {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 15px;
}

.about_box p:last-child {
  margin-bottom: 0;
}

.about_content_flex {
  display: flex;
  align-items: center;
  gap: 40px;
}

.about_text {
  flex: 1;
}

.about_img {
  flex: 1;
}

.about_img img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 15px 15px 0 rgba(184, 154, 94, 0.1);
  display: block;
}

.reverse {
  flex-direction: row-reverse;
}

.cta_box {
  background: #fdfaf5;
  border: 1px solid #eee8db;
  padding: 50px;
  text-align: center;
}

.cta_box h3 {
  font-size: 24px;
  margin-bottom: 25px;
  color: #4a5f70;
}
.about_box.cta_box h3 {
    border-left: none !important;
    padding-left: 0 !important;
}

/* --- SP Layout (~768px) --- */
@media screen and (max-width: 768px) {

  .about_lead {
    margin-bottom: 40px;
  }

  .lead_catch {
    font-size: 19px;
    line-height: 1.6;
    margin-bottom: 15px;
  }

  .lead_text {
    font-size: 14px;
    line-height: 1.7;
  }

  .features_wrapper {
    padding: 40px 0;
    margin-bottom: 40px;
  }

  .about_features {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 0;
  }

  .feature_item {
    padding: 23px 20px;
  }

  .feature_item i {
    margin: 0 auto 15px;
  }

  .feature_item h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }

  .feature_item p {
    font-size: 14px;
    line-height: 1.7;
  }

  .about_box {
    padding: 23px 20px;
    margin-bottom: 35px;
  }

  .about_box h3 {
    font-size: 18px;
    margin-bottom: 10px;
    padding-left: 10px;
    border-left: 3px solid #b89a5e;
  }

  .about_box p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 10px;
  }

  .about_box p:last-child {
    margin-bottom: -7px;
  }

  .about_content_flex,
  .about_content_flex.reverse {
    flex-direction: column;
    gap: 25px;
  }

  .about_img {
    margin-bottom: 3px;
  }

  .about_img img {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: none;
  }

  .about_box.cta_box {
    padding: 25px 20px;
  }

  .about_box.cta_box h3 {
    font-size: 18px;
    margin-bottom: 15px;
  }

  .about_box.cta_box p {
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.7;
  }
}

/* =================================================
   3. Rule Details
   ================================================= */
/* --- PC Layout (1201px~) --- */
.rule_detail_box {
  background: #f9f9f9;
  border-radius: 8px;
  overflow: hidden;
}

.rule_detail_box h3 {
  font-size: 22px;
  color: #4a5f70;
}

.rule_detail_box > p {
  padding: 0 0 20px;
  color: #555;
}

.rule_detail_box summary {
  cursor: pointer;
  padding: 20px;
  background: #fff;
  border-bottom: 1px solid #ddd;
  font-weight: 600;
  color: #4a5f70;
  position: relative;
  list-style: none;
  transition: all 0.3s ease;
  display: block;
}

.rule_detail_box summary::after,
.rule_detail_box summary::before {
  content: "";
  position: absolute;
  right: 25px;
  top: 50%;
  width: 14px;
  height: 2px;
  background: #b89a5e;
  transition: all 0.3s ease;
}

.rule_detail_box summary::before {
  transform: rotate(90deg);
  transition: all 0.3s ease;
}

.rule_detail_box[open] summary::before {
  transform: rotate(0deg);
}

details[open] summary::before {
  transform: rotate(0deg);
}

@media (hover: hover) {
.rule_detail_box summary:hover {
  background: #fdfdfd;
  color: #b89a5e;
}

.rule_detail_box summary:hover::after,
.rule_detail_box summary:hover::before {
  background: #b89a5e;
}
}

.rule_content_inner {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
  overflow: hidden;
}

details[open] .rule_content_inner {
  grid-template-rows: 1fr;
}

details[open] summary::before {
  transform: rotate(0deg);
}

.rule_content {
  min-height: 0;
  padding: 0 20px 30px;
  background: #fff;
}

.rule_content dl {
}

.rule_content dt {
  font-weight: 600;
  color: #b89a5e;
  border-bottom: 1px solid #eee;
  padding-bottom: 7px;
  padding-top: 20px;
}

.rule_content dd {
  margin-left: 0;
  margin-top: 5px;
  line-height: 1.6;
  color: #555;
}

/* --- SP Layout (~768px) --- */
@media screen and (max-width: 768px) {
  .rule_detail_box {
    padding: 25px 20px 30px;
    margin-bottom: 30px;
  }

  .rule_detail_box h3 {
    font-size: 18px;
    margin-bottom: 15px;
  }

  .rule_detail_box summary {
    font-size: 14px;
    padding: 15px;
  }

  .rule_detail_box summary:active {
    color: #b89a5e;
  }

  .rule_content {
    padding: 0 20px 20px;
  }

  .rule_content dt {
    padding-top: 20px;
    font-size: 14px;
  }

  .rule_content dd {
    font-size: 14px;
  }
}

/* =================================================
   4. Buttons Area
   ================================================= */
/* --- PC Layout (1201px~) --- */
.section_btn_area {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 30px;
}

/* --- SP Layout (~768px) --- */
@media screen and (max-width: 768px) {
  .section_btn_area {
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
  }

  .section_btn_area .c_btn {
    width: 100%;
    text-align: center;
    margin-top: 0;
  }
}