/*----------------------------------------
  リセットCSS & 基本設定
----------------------------------------*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  font-family: 'Segoe UI', sans-serif;
  scroll-snap-type: y mandatory;
  overflow-y: auto;
  overflow-x: hidden;
}

:root{
   --header-height: 130px;
}

/*----------------------------------------
  共通要素スタイル
----------------------------------------*/

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
}

article, aside, footer, header, nav, section {
  display: block;
}

/*----------------------------------------
  ヘッダー & ナビゲーション
----------------------------------------*/

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 88px;
  background-color: #3171b9;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 30px;
  box-sizing: border-box;
  z-index: 1000;
}

.logo {
  width: 500px;
  height: 88px;
  display: flex;
  align-items: center;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-grow: 1;
  gap: 30px;
  margin: 10px;
}

.nav-links {
  display: flex;
  gap: 25px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0em 0.1em;
  height: 2.5em;
  line-height: 1;
  font-size: 14px;
  font-weight: bold;
  color: white;
  text-decoration: none;
  box-sizing: border-box;
  border-radius: 4px;
  transition: background-color 0.3s, color 0.3s;
}

.nav-links a:hover {
  color: #ff8c00;
}

.nav-contact-info {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.85em;
  color: white;
}

.contact-row {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.contact-row span {
  white-space: nowrap;
}

.menu-toggle {
  display: none;
}

.menu-toggle.open::before {
  content: "X";
}

.thislocation {
 position: relative;
  display: inline-block;
  padding: 20px 10px;
  background-color: #1D9EBF;
  color:#FFFFFF;
  border-radius: 10px;
}

.section-anchor {
  scroll-margin-top: 90px; /* ← ヘッダーの高さ分だけスクロール位置をずらす */
}
/*----------------------------------------
  サブナビゲーション
----------------------------------------*/
.sub-nav {
  background-color: #f8f8f8;
  padding: 10px 0;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
  text-align: center;
  position: fixed;
  top: 88px;
  left: 0;
  width: 100%;
  z-index: 1000;
  overflow: auto;
}

.sub-nav ul {
  display: inline-flex;
  gap: 20px;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sub-nav li a {
  color: #333;
  font-weight: 500;
  padding: 5px 10px;
  transition: color 0.3s ease;
  text-decoration: none;
}

.sub-nav li a:hover {
  color: #0078d4;
}

.sub-nav li p {
  font-weight: 500;
  padding: 5px 10px;
  transition: color 0.3s ease;
}

.line {
  height: 1px;
  background-color:#07346B;
  margin: 20px 0;
}

/*----------------------------------------
  フッター
----------------------------------------*/
footer {
  background-color: #3171b9;
  color: #fff;
  padding: 40px 20px;
  font-size: 14px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-left{
  flex: 1 1 300px;
  margin: 10px;
}

.footer-left p:first-child {
  margin-top: 5px; /* h4と同じ高さに揃える */
}

.footer-right {
  flex: 1 1 300px;
  margin: 10px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.footer-right h4 {
  font-size: 16px;
  margin: 5px 0; /* 上下の余白を左と揃える */
  border-bottom: 1px solid #fff;
  padding-bottom: 5px;
}

.sitemap {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sitemap li {
  margin: 6px 0;
}

.sitemap a {
  color: #fff;
  text-decoration: none;
  transition: opacity 0.3s;
}

.sitemap a:hover {
  opacity: 0.7;
}

/*----------------------------------------
 main
----------------------------------------*/

#main-service{
    text-align: center;
    margin-top:130px;
    font-size: 35px;        
    }
.introduction h2{
    text-align: center;
}
.introduction p{
    text-align: center;
}

/*----------------------------------------
各section
----------------------------------------*/
#supply-cupper {
  margin: 50px 30px;
}

#supply-alloy {
  min-height: 100vh;              /* 画面の高さに合わせる */
  display: flex;                  /* Flexboxを有効化 */
  justify-content: center;        /* 横方向の中央揃え */
  align-items: center;            /* 縦方向の中央揃え */
}

/*----------------------------------------
 セクション
----------------------------------------*/

h2{
 text-align: center;
    font-size: 38px;
}

.master-columns {
  display: flex;
  gap: 20px;
  margin: 20px;
  overflow: hidden;
  align-items: stretch;
}

.photo-column {
  flex: 1;
  margin-left: 5px;
  padding: 0;
  display: flex;
justify-content: center; 

}

.photo-column img {
  width: 70%;
  height: auto; 
  max-height: 100%;
  object-fit: contain;
}

.text-box {
  flex: 1;
    margin-left: 5px;
  margin-right: 0px;
    text-align: left;
}

.text-box h2{
    font-size:20px;
    color: #07346B;
    text-align: left;
}
/* 共通見出し */
h2 {
  text-align: center;
  font-size: 38px;
}



.photo-column2 {
  flex: 1;
  margin-left: 5px;   /* margin-right → margin-left に変更 */
  padding: 0;
  display: flex;
  justify-content: center;
}

.photo-column2 img {
  width: 70%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
}

.text-box2 {
  flex: 1;
  margin-left: 5px;
  margin-right: 0px;
  text-align: left;   /* center → left に変更 */
}

.text-box2 h2 {
  font-size: 20px;
  color: #07346B;
  text-align: left;   /* center → left に変更 */
}

.text-box2 p {
 
  text-align: left;   /* center → left に変更 */
}

.process {
  margin: 20px;
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
}

.inline-list li {
  background: #eee;
  padding: 5px 10px;
  border-radius: 4px;
}

.container {
  display: grid;
    grid-template-columns: repeat(3,1fr);
  gap: 20px;
}

.column {
      border: 1px solid #ccc;
      padding: 15px;
      background: #f9f9f9;
    }
.column h2 {
      margin-top: 0;
      font-size: 1.2em;
      border-bottom: 2px solid #666;
      padding-bottom: 5px;
}
 .column li{
     margin-left: 20px;
    }

ul {
      list-style: none;
      padding-left: 0;
    }
    ul li {
      margin: 5px 0 5px 10px;
    }
.sublist {
      margin-left: 15px;
      font-size: 0.95em;
    }
.container2 {
  display: grid;
  grid-template-columns: repeat(2,1fr); /* 2カラムに変更 */
  gap: 20px;
}

.column2 {
  border: 1px solid #ccc;
  padding: 15px;
  background: #f9f9f9;
}

.column2 h2 {
  margin-top: 0;
  font-size: 1.2em;
  border-bottom: 2px solid #666;
  padding-bottom: 5px;
}

.column2 ul {
  display: inline-block;   /* ulをインラインブロック化して中央に置けるようにする */
  margin: 0 auto;          /* ul全体を中央揃え */
  padding: 0;              /* デフォルトの余白をリセット */
  text-align: left;        /* ul内のテキストは左寄せ */
}

.column2 ul li {
  list-style-position: inside; /* 箇条書きの●をテキストに揃える */
  text-align: left;            /* liのテキストを左寄せ */
}
.container3 {
  display: grid;
  grid-template-columns: 1; 
}

.container3 {
  display: flex;
  justify-content: center; /* 中央配置 */
    margin-top: 30px;
    margin-bottom: 100px;
}

.column3 {
  width: 100%;
  max-width: 700px; /* 任意の最大幅で中央に収める */
  border: 1px solid #ccc;
  padding: 15px;
  background: #f9f9f9;
  margin-bottom: 20px;
  text-align: left; /* テキストは左揃え */
}

.column3 h2 { 
    margin-top: 0;
    font-size: 1.2em;
    border-bottom: 2px solid #666;
    padding-bottom: 5px; 
}

.column3 p{ margin: 5px;
}
img {
      max-width: 100%;
      height: auto;
      display: block;
      margin-bottom: 10px;
    }

.pbtm-wrapper {
  text-align: center;
  margin-top: 40px;
}

.pbtm {
  display: inline-block;
  padding: 25px 50px;
  background-color: #3171b9;
  color: #fff;
  font-weight: bold;
  font-size: 28px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.pbtm:hover {
  background-color: #1d4f8b;
}

.pbtm a{
    color: #FFFFFF;
    
}

/*#motto------------------------------------------*/

section #motto {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  box-sizing: border-box;
  background: linear-gradient(135deg, #f5faf5 0%, #eaf5ec 100%);
  color: #dde1f0;
}

#motto-wrap {
	padding-left:40px;
}
	
#motto h1 {
 padding-top: 140px;
  font-size: 4rem;
  margin: 0.5rem 0;
    color: #104d82;
}

#motto h2 {
  font-size: 1.2rem;
  margin: 0.5rem 0;
  text-align: center;
  max-width: 100%;
    color: #104d82;
}

section #motto p,
section #motto ul {
  max-width: 100%;
}

section #motto ul {
  margin-bottom: 1em;
}

section #motto p {
  text-align: left;
    color: #104d82;
}

.motto-blocks {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-content: flex-start;
  max-width: 100%;
  max-height: 45vh;
  overflow: hidden;
  margin-top: 1rem;
  padding-bottom: 130px;
}

.motto-item {
  flex: 1 1 300px;
  background: #fff;
  color: #1c1c1c;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
  max-width: 320px;
  text-align: left;
  overflow:hidden;
}

.motto-item h3 {
  font-size: 1.2em;
  margin-bottom: 0.5em;
  color: #104d82;
}

.motto-item p {
  font-size: 0.95em;
  line-height: 1.5em;
}

/*----------------------------------------
  レスポンシブ対応（max-width: 768px）
----------------------------------------*/
@media screen and (max-width: 768px) {
  header {
    position: fixed;
    top: 0;
    left: 0;
    height: 90px;
    padding: 0 15px;
  }
    .logo img {
  width: 80%;
  height: 100%;
  object-fit: contain;
}
.section-anchor {
    height: auto;
    padding-top: var(--header-height);
    padding-bottom: 60px;
  }
  .menu-toggle {
    font-family: 'Segoe UI', 'Arial', sans-serif;
    display: block !important;
    font-size: 28px;
    cursor: pointer;
    position: absolute;
    right: 15px;
    top: 25px;
    z-index: 1100;
    color: #FFF;
    transition: all 0.3s ease;
  }

  .nav-container {
    position: absolute;
    top: calc(90px + 110px); 
    left: 0;
    width: 100%;
    background: #3171b9;
    flex-direction: column;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s ease;
    margin: 0;
    padding: 0;
  }

  .nav-container.active {
    max-height: 800px;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
  }

  .nav-links a {
    padding: 15px;
    border-bottom: 1px solid #eee;
    color: #fff;
    text-align: center;
  }

  .nav-contact-info {
    padding: 10px 15px;
    color: #fff;
  }
 #main-service {
    margin-top: 170px; /* ヘッダー + サブナビの高さ分（例：90px + 70px） */
    padding-top: 20px;
    text-align: center;
  }

  .photo-column {
    order: 2;
  }

  .text-box {
    order: 1;
    text-align: center;
    margin-right: 0;
  }

    .container,
  .container2 {
    grid-template-columns: 1fr;
  }

  .column,
  .column2 {
    margin: 0 10px;
  }
 .master-columns {
    flex-direction: column;
    gap: 20px;
    margin: 20px 10px;
    }

  .columns {
    flex-direction: column;
    align-items: center;
  }

  .photo-column,
  .text-box {
    flex: none;
    width: 100%;
  }
  .sub-nav {
    padding: 10px 0;
    overflow: hidden;
  }

  .sub-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 0 10px;
    margin: 0 auto;
  }

  .sub-nav li {
    flex: 1 1 auto;
    text-align: center;
  }

  .sub-nav li a {
    display: inline-block;
    font-size: 14px;
    padding: 6px 12px;
    background-color: #eee;
    color: #333;
    border-radius: 4px;
    white-space: normal;
    word-break: keep-all;
  }

  .sub-nav li a:hover {
    background-color: #ddd;
  }

.pbtm {
    font-size: 20px;
    padding: 15px 30px;
  }
.column3 {
    margin: 0 10px 20px;
  }

  html, body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  *, *::before, *::after {
    box-sizing: inherit;
  }

  #CPmesse {
    width: 100%;
    padding-top: 90px;
    margin-top: 90px;
  }

  #CPmesse h1 {
    font-size: 3rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: 0.03em;
  }

  .contents-field {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 5vw;
    text-align: center;
  }

  .text-box {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    text-align: center;
  }
}
/*----------------------------------------
  レスポンシブ対応（max-width: 900px）
----------------------------------------*/

@media (max-width: 900px) {
  .section-anchor {
    height: auto !important;
    padding-top: 130px;
    padding-bottom: 60px;
    box-sizing: border-box;
    scroll-margin-top: 140px;
  }

  html, body {
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
}

  .columns {
    grid-template-columns: 1;
    height: auto;
  }

  .text-box {
    height: auto;
    overflow: visible;
  }
  .CPmesse-container,
  #CPmesse-profile {
    margin-top: 0;
  }
  .CPmesse-wrap,
  #CPmesse-profile h2 {
    margin-top: 0;
    padding-top: 0;
  }
}

.head-input {
    text-align: center;
}