/* =========================
   Reset
========================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =========================
   Base
========================= */

body {
  font-family: 'Lato', 'Noto Sans JP', sans-serif;
  background-color: #F6F8F4;
  color: #333;
  line-height: 1.9;
  letter-spacing: 0.03em;
}

img {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
}

/* =========================
   Layout
========================= */

.container {
  width: 90%;
  max-width: 760px;
  margin: 0 auto;
}

/* =========================
   Header
========================= */

.site-header {
  padding: 24px 0 18px;
}

/* =========================
   Breadcrumb
========================= */

.breadcrumb {
  margin-bottom: 20px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  font-size: 13px;
  color: #333;
}

.breadcrumb li:not(:last-child)::after {
  content: ">";
  margin-left: 8px;
  color: #333;
}

.breadcrumb a {
  color: #333;
  transition: 0.3s;
}

.breadcrumb a:hover {
  color: #75cb20;
}

/* =========================
   Logo
========================= */

.logo {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.logo a {
  color: #75cb20;
}

/* =========================
   Article
========================= */

.column {
  background: #ffffff;
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 12px 35px rgba(127, 162, 135, 0.08);
  margin-bottom: 40px;
  border: 1px solid #DCE6DD;
}

.column-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 13px;
  color: #9b8791;
}

.category {
  color: #75cb20;
  padding: 0.1rem 0.6rem;
  border: 1.5px solid #75cb20;
  border-radius: 1rem;
  font-size: 13px;
  font-weight: 500;
}

/* =========================
   h2
========================= */

.column-title {
  font-size: 25px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #4F6654;
}

/* =========================
   Lead
========================= */

.lead {
  margin-bottom: 30px;
  font-size: 15px;
  color: #333;
}

.column-image {
  width: 100%;
  border-radius: 14px;
  margin: 30px 0;
}

/* =========================
   h3
========================= */

h3 {
  margin: 46px 0 18px;
  padding-left: 14px;

  font-size: 19px;
  font-weight: 700;
  line-height: 1.6;

  color: #6F9276;

  border-left: 4px solid #6F9276;
}

/* =========================
   h4
========================= */

h4 {
  margin: 34px 0 12px;

  font-size: 17px;
  font-weight: 700;
  line-height: 1.7;

  color: #6A736C;
}

/* =========================
   Paragraph
========================= */

p {
  margin-bottom: 20px;
}

/* =========================
   Step-list
========================= */

.step-list {
  margin: 20px 0;
  padding: 20px 18px 16px 16px;

  border: 1px solid #DCE6DD;
  border-radius: 12px;

  list-style: none;
  counter-reset: step;
}

.step-list li {
  counter-increment: step;
  position: relative;
  padding-left: 2.2rem;
  margin-bottom: 0.8rem;
  line-height: 1.5;
}

.step-list li::before {
  content: counter(step);

  position: absolute;
  left: 0;
  top: 0.25rem;

  width: 1.5rem;
  height: 1.5rem;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  background: #4F6654;
  color: #fff;

  font-size: 12px;
  font-weight: 700;
}

/* 注釈 */
.step-note {
  margin-top: 0.4rem;
  margin-bottom: 0;
  line-height: 1.7;
}

.step-note::before {
  content: "※";
  font-weight: 700;
  margin-right: 0.2em;
}

/* =========================
   Point-box
========================= */

.point-box {
  margin: 20px 0;
  padding: 20px 18px 16px 16px;
  border: 1px solid #DCE6DD;
  border-radius: 12px;
}

.point-box__title {
  margin-bottom: 8px;
  font-weight: 700;
  color: #4F6654;
}

.point-list {
  list-style: none;
  padding-left: 0;
}

.point-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.7rem;
  line-height: 1.5;
}

.point-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  top: 0;
  color: #4F6654;
  font-weight: 700;
}

/* 注釈 */
.point-note {
  margin-top: 0.4rem;
  margin-bottom: 0;
  line-height: 1.7;
}

.point-note::before {
  content: "※";
  font-weight: 700;
  margin-right: 0.2em;
}

/* =========================
   Article Supervision
========================= */

.article-supervision {
  display: flex;
  align-items: center;
  gap: 22px;

  margin-top: 50px;
  padding: 24px;

  background: #FAFBF8;

  border: 1px solid #DCE6DD;
  border-radius: 18px;
}

.article-supervision__logo {
  flex-shrink: 0;
}

.article-supervision__logo img {
  width: 92px;
  height: auto;

  display: block;
}

.article-supervision__content {
  flex: 1;
}

.article-supervision__label {
  margin-bottom: 8px;

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;

  color: #5D7A63;
}

.article-supervision__label--sp {
  display: none;
}

.article-supervision__label--pc {
  display: block;
}

.article-supervision__name {
  margin-bottom: 10px;

  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;

  color: #4F5F52;
}

.article-supervision__text {
  margin-bottom: 0;

  font-size: 14px;
  line-height: 1.9;

  color: #5F6E62;
}

.article-supervision__link {
  display: inline-flex;
  align-items: center;

  margin-top: 12px;

  font-size: 13px;
  font-weight: 700;

  color: #5D7A63;

  transition: 0.3s;
}

.article-supervision__link:hover {
  opacity: 0.7;
}

/* =========================
   Footer
========================= */

.site-footer {
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: #7E8B81;
}

/* =========================
   Responsive
========================= */

@media (max-width: 600px) {

  .site-header {
    padding: 18px 0 14px;
  }

  .column {
    padding: 28px 20px;
    border-radius: 16px;
    margin-bottom: 32px;
  }

  .column-title {
    font-size: 23px;
    line-height: 1.7;
  }

  h3 {
    font-size: 19px;
    margin-top: 40px;
  }

  h4 {
    font-size: 17px;
  }

  .breadcrumb li {
    font-size: 12px;
  }

  .article-supervision {
    flex-direction: column;
    align-items: flex-start;

    padding: 20px;
    gap: 16px;
  }

  .article-supervision__label--sp {
    display: block;
    margin-bottom: 0;
  }

  .article-supervision__label--pc {
    display: none;
  }  

  .article-supervision__content {
    display: flex;
    flex-direction: column;
    width: 100%;
  }

  .article-supervision__logo img {
    width: 78px;
  }

}