/* =========================
   基本設定
========================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #292929;
  background-color: #f4f3ee;
  font-family:
    "Yu Gothic",
    "Hiragino Kaku Gothic ProN",
    Meiryo,
    sans-serif;
  line-height: 1.8;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}


/* =========================
   ヘッダー
========================= */

.site-header {
  color: #ffffff;
  background-color: #173a34;
  border-bottom: 5px solid #a89972;
}

.site-title {
  width: min(100% - 40px, 960px);
  margin: 0 auto;
  padding: 28px 0 20px;
}

.site-title p {
  margin: 0 0 2px;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.site-title h1 {
  margin: 0;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: normal;
  letter-spacing: 0.08em;
}


/* =========================
   ナビゲーション
========================= */

nav {
  background-color: #102d29;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  width: min(100% - 40px, 960px);
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

nav li {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

nav li:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

nav a {
  display: block;
  padding: 13px 18px;
  color: #ffffff;
  font-size: 0.9rem;
  text-decoration: none;
}

nav a:hover {
  color: #ffffff;
  background-color: #31514b;
}


/* =========================
   メイン部分
========================= */

main {
  width: min(100% - 40px, 960px);
  margin: 36px auto 70px;
}

section {
  margin-bottom: 38px;
  padding: 30px;
  background-color: #ffffff;
  border: 1px solid #d8d5ca;
  box-shadow: 0 3px 10px rgba(30, 35, 32, 0.06);
}

section h2 {
  margin: 0 0 22px;
  padding-bottom: 8px;
  color: #173a34;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: 1.45rem;
  font-weight: normal;
  letter-spacing: 0.08em;
  border-bottom: 2px solid #a89972;
}

section h3 {
  color: #294a44;
}


/* =========================
   メインビジュアル
========================= */

.hero {
  min-height: 260px;
  padding: 65px 50px;
  color: #ffffff;
  background:
    linear-gradient(rgba(15, 48, 42, 0.82), rgba(15, 48, 42, 0.9)),
    url("images/hero.jpg") center / cover;
}

.hero h2 {
  margin-bottom: 15px;
  padding: 0;
  color: #ffffff;
  font-size: clamp(1.7rem, 5vw, 2.7rem);
  border: none;
}

.hero p {
  max-width: 650px;
  margin: 0;
}


/* hero.jpgがない場合でも背景色を表示 */
.hero {
  background-color: #1d453e;
}


/* =========================
   お知らせ
========================= */

.activity-scroll {
  max-height: 220px;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid #ccc;
  background: #fafafa;
}


/* =========================
   活動内容
========================= */

.activity-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.activity-list article {
  padding: 20px;
  background-color: #f7f6f1;
  border-top: 3px solid #315c53;
}

.activity-list h3 {
  margin-top: 0;
}

.activity-list p {
  margin-bottom: 0;
}


/* =========================
   スケジュール
========================= */

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 15px;
  text-align: left;
  border: 1px solid #ccc9bd;
}

th {
  width: 32%;
  color: #ffffff;
  background-color: #315c53;
  font-weight: normal;
}

tbody tr:nth-child(even) {
  background-color: #f5f4ef;
}


/* =========================
   DENXちゃん紹介
========================= */

.character-profile {
  display: flex;
  align-items: center;
  gap: 30px;
}

.character-profile img {
  width: 220px;
  padding: 12px;
  background-color: #f5f4ef;
  border: 1px solid #d1cec2;
}

.character-profile h3 {
  margin-top: 0;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: 1.5rem;
  letter-spacing: 0.08em;
}


/* =========================
   過去の活動記録
========================= */

.archive-entry {
  position: relative;
  margin-top: 26px;
  padding: 24px;
  background-color: #f0efe9;
  border: 1px solid #c9c5b8;
}

.archive-entry + .archive-entry {
  margin-top: 20px;
}

.archive-entry h3 {
  margin: 3px 0 15px;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    serif;
  font-weight: normal;
}

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

.archive-entry .date {
  margin: 0;
  color: #77746b;
  font-family: Georgia, serif;
  font-size: 0.85rem;
}

/* 過去記録だけ、わずかに色褪せさせる */
#archive {
  background-color: #f8f7f2;
}

#archive .archive-entry:nth-of-type(2) {
  color: #4b4a45;
  background-color: #e9e7df;
  transform: rotate(-0.15deg);
}


/* =========================
   フッター
========================= */

footer {
  padding: 30px 20px;
  color: #deded8;
  background-color: #102d29;
  text-align: center;
  font-size: 0.85rem;
}

footer p {
  margin: 4px 0;
}

.fiction-note {
  color: #aaa9a2;
  font-size: 0.72rem;
}

/* =========================
   スマホ表示
========================= */

@media (max-width: 700px) {
  .site-title,
  nav ul,
  main {
    width: min(100% - 24px, 960px);
  }

  nav ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  nav li,
  nav li:last-child {
    border: 1px solid rgba(255, 255, 255, 0.12);
  }

  nav a {
    padding: 11px 8px;
    text-align: center;
    font-size: 0.8rem;
  }

  main {
    margin-top: 20px;
  }

  section {
    margin-bottom: 20px;
    padding: 22px 18px;
  }

  .hero {
    min-height: 220px;
    padding: 45px 24px;
  }

  .activity-list {
    grid-template-columns: 1fr;
  }

  .character-profile {
    display: block;
  }

  .character-profile img {
    display: block;
    width: 180px;
    margin: 0 auto 22px;
  }

  .news-list time {
    display: block;
    width: auto;
    margin-bottom: 2px;
  }

  th,
  td {
    padding: 10px;
    font-size: 0.88rem;
  }
}
/* お問い合わせ・内線番号 */

.phone-contact {
  max-width: 500px;
  padding: 25px;
  background-color: #f2f0e8;
  border: 1px solid #c7c2b5;
  text-align: center;
}

.phone-label {
  margin: 0;
  color: #66645d;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.phone-number {
  margin: 8px 0;
  color: #263d38;
  font-family: Georgia, serif;
  font-size: 2.2rem;
  letter-spacing: 0.18em;
}

.phone-note {
  margin: 0;
  color: #77746b;
  font-size: 0.8rem;
}