* {
    box-sizing: border-box;
}

body, p{
    font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "ＭＳ Ｐゴシック", "MS PGothic", Arial, Helvetica, Verdana, sans-serif;
    font-family: 'Noto Sans JP', sans-serif;
    -webkit-text-size-adjust: none;
}

.ec-searchnavRole,
.ec-layoutRole .ec-layoutRole__contents{
	max-width:none;
  padding-inline: 0;
}

.ec-searchnavRole img{
  width: 100%;
  height: auto;
}

:root{
  --color-text-base: #002349;
  --color-text-sub: #7FBFF5;
  --color-text-inverse: #ffffff;
  --color-text-blue: #005baa;
  --color-bg-base: #ffffff;
  --color-bg-soft: #FBF8F8;
  --color-bg-dark: #002349;
  --header-height: 150px;
  --space-section: clamp(40px, 8vw, 100px);
  --color-accent-yellow: #F5C641;
  --color-accent-red:#E25C5F;
}


body,
.menu_contents .boxArea, body, .ec-layoutRole{
  background: var(--color-bg-base) !important;
}

.ec-searchnavRole{
  color: var(--color-text-base);
}

.l-container{
  --container: 1200px;
  width: min(var(--container), 100% - 40px);
  margin-inline: auto;
}

.u-en{
  font-family: 'Poppins';
  font-weight: 600;
  letter-spacing: 0.08em;
}

.u-red{
color: var(--color-accent-red);
}

.u-em {
  font-size: 1.4em;
  font-weight: 900;
}

.u-offset-header{
  margin-top: var(--header-height);
}

.u-bg-white{
	background: #fff;
}

.u-text-sub{
  color: var(--color-text-sub);
}
.u-text-blue{
	color: var(--color-text-blue); ;
}

.u-text-center {
  text-align: center !important;
}

.u-text-right {
  text-align: right !important;
}


.u-sp{ display:none; }
.u-pc{ display:block; }
@media (max-width: 768px){
  .u-sp{ display:block; }
  .u-pc{ display:none; }
   .u-spFull {
    width: 100%;
  }
}


.section{
  padding-block: var(--space-section);
  scroll-margin-top: 60px;
}

.section--mb00{
	padding-bottom: 0px;
}


.section--dark{
	background:var(--color-bg-dark);
	color: var(--color-text-inverse);
}

.section--soft{
	background:var(--color-bg-soft);
}

.u-mt-20 {
  margin-top: 20px;
}

.u-mt-40 {
  margin-top: 40px;
}
.u-mb-40 {
    margin-bottom: 40px;
}

.c-heading--center{
	text-align: center;
}

.c-heading__sub{
	display: block;
	font-size: 16px;
	line-height: 2;
}

.c-heading__title{
	font-size: clamp(22px, 3vw, 36px);
	font-feature-settings: "palt";
	letter-spacing: 0.12em;
	line-height: 2;
	font-weight: 700;
	display: inline-block;
}

.section__text{
  line-height:1.9;
  font-size: clamp(14px, 3vw, 18px);
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-block:40px 40px;
}

.section__text--center{
  text-align:center;
}

.section__text--catch {
   font-size: clamp(18px, 4vw, 28px);
  font-weight: 800;
  margin: 40px auto 20px;
}

.c-btnArea{
    margin-top: 60px;
    display: flex;
    justify-content: center;
    width: 100%; 
}

.c-btn {
	display: inline-flex;
	justify-content: center;
  align-items: center;
  min-height: 60px;
  padding-inline: 40px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  font-size: clamp(14px, 3vw, 18px);
	letter-spacing: 0.05em;
	transition: 0.5s;
}

.c-btn--small {
  min-height: 52px;
  padding-inline: 24px;
  font-size: 14px;
}

.c-btn--outline {
	border: 1px solid #0b2a4a;
	color: #0b2a4a;
	background: #fff;
	
}

.c-btn:hover{
	text-decoration:none;
	background: var(--color-bg-dark);
	color: var(--color-text-inverse);
}

.c-btn--fill {
  background: #0b5aa6;
  color: #fff !important;
  border: 1px solid #0b5aa6;
}

.c-heading--line .c-heading__title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.c-heading--line .c-heading__title::before,
.c-heading--line .c-heading__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #0b2a4a;
  max-width: 60px; /* テキストの近くに留める */
}

.c-heading--line .c-heading__title::before,
.c-heading--line .c-heading__title::after {
  margin-top: 0em;
}

.c-heading--line .c-heading__title::before {
  transform: rotate(70deg);
}
.c-heading--line .c-heading__title::after {
  transform: rotate(-70deg);
}

@media (max-width: 768px) {
  .c-heading__title{
    line-height: 1.5;
  }
  .c-heading--line .c-heading__title::before,
  .c-heading--line .c-heading__title::after {
    max-width: 48px;
  }
}


/* list */
.c-product-list{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 60px 30px;
  padding-top: 22px;
  margin-block:40px;
}

/* card */
.c-product-card{
  display: grid;
  gap: 20px;
}

.c-product-card__media{
  position: relative;
  display: grid;
  background: #fff;
  place-items: center;
  min-height: 170px;
  border: 1px solid #eee;
}

.c-product-card__catch{
  background: #fff;
  border-radius: 4px;
  padding: 20px 10px;
  text-align: center;
  font-weight: 500;
  font-size: clamp(14px, 3vw, 16px);
  margin-bottom: 10px;
}

.c-product-card__img{
  width: 72px;
  height: auto;
  display: block;
}

.c-product-card__body{
  display: grid;
  gap: 8px;
}

.c-product-card__tag{
  display: inline-flex;
  justify-content: center;
  align-items: center;
  height: 30px;
  padding-inline: 20px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  width: fit-content;
  margin-bottom: 10px;
}

.c-product-card__tag--exchange{ background: #0b4ea2; }
.c-product-card__tag--new{ background: #f39b00; }
.c-product-card__tag--newItem{ background: #13294B; }

.c-product-card__name{
  margin: 0;
  font-size: clamp(14px, 3vw, 17px);
  text-align: center;
  font-weight: 700;
  line-height: 1.6;
  min-height: 80px;
}

.c-product-card__price{
  margin: 0;
  display: flex;
  gap: 6px;
  align-items: baseline;
  justify-content: center;
  padding-top: 4px;
  color: #0b4ea2;
  font-weight: bold;
}

.c-product-card__price-num{
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0;
}

.c-product-card__price-unit{
  font-size: 16px;
}


.c-bnr{
	margin-block:80px;
}

/* responsive */
@media (max-width: 900px){
  .p-gas-cylinder__group-head{
    grid-template-columns: 1fr;
  }
  .c-product-list{
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 20px;
  }
  .c-product-card__media{
    min-height: auto;
     aspect-ratio: 1 / 1;
  overflow: hidden;
  }
  .c-product-card__catch{
    text-align: left;
  }
}


/* ========== c-col3 (layout utility/component) ========== */
.c-col3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  align-items: start;
}

@media (max-width: 900px) {
  .c-col3 {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.u-caution{
	font-size: 14px;

}

.u-text-sm {
  font-size: 14px;
}

.u-text-xs {
  font-size: 12px;
}

.u-text-lg {
  font-size: 24px;
}

.u-text-xl {
  font-size: clamp(24px, 4vw, 30px);
}
.u-text-xl.u-en{
  font-size:1.6em;
  display: contents;
  padding-right: 4px;
}


@media only screen and (min-width: 768px) {
    .ec-footerRole {
        margin-top:0px;
    }
}


    .official__btn--heartbeat{
      animation: heartbeat 3.8s ease-in-out infinite;
      box-shadow: 0 10px 26px rgba(11,90,166,.05);
    }

    @keyframes heartbeat{
      /* 停止状態 */
      0%{
        transform: scale(1);
        box-shadow: 0 10px 26px rgba(11,90,166,.05);
      }

      /* 1回目 ドク */
      12%{
        transform: scale(1.06);
        box-shadow: 0 14px 34px rgba(11,90,166,.09);
      }
      18%{
        transform: scale(1);
      }

      /* 2回目 ドク */
      26%{
        transform: scale(1.04);
        box-shadow: 0 12px 30px rgba(11,90,166,.09);
      }
      32%{
        transform: scale(1);
      }

      /* ここから完全停止 */
      100%{
        transform: scale(1);
        box-shadow: 0 10px 26px rgba(11,90,166,.05);
      }
    }

    /* hover時は鼓動を止める（落ち着く） */
    .official__btn--heartbeat:hover{
      animation-play-state: paused;
      box-shadow: 0 14px 36px rgba(11,90,166,.09);
    }

    /* フォーカス */
    .c-btn:focus-visible{
      outline: 3px solid rgba(11,90,166,.09);
      outline-offset: 3px;
    }


/* responsive */
@media (max-width: 900px) {

  #main-content {
      padding: 30px 0 0px !important;
  }

  .u-offset-header {
      margin-top:-8px;
  }
  .section{
    padding-bottom: 50px;
  }

  .u-mt-40 {
      margin-top: 0;
  }

  .section__text {
    line-height: 1.7;
    margin-block: 20px 20px;
  }

  .section__grid {
      margin-inline: 10px;
  }

  .c-product-card__img{
    width: 100% !important;
    height: auto;
  }

  .c-bnr{
    margin-block: 40px;
  }

  .c-bnr img {
    width: 100%;
    height: auto;   
  }

  .ec-footerRole {
      margin-top: 0px;
  }

  .lity-image img {
    margin: 0 auto;
  }
  .section--mb00 {
      padding-bottom: 0px;
  }

}


.c-gallery__main{
	max-width: var(--container);
}

/* ===== メイン ===== */
.c-gallery__main img {
  width:100%;
  display:block;
}
.c-gallery__link { display:block; }

/* ===== サムネ（固定） ===== */

.c-gallery__thumb {
  background: #13294B;
  padding: 20px;
}

.c-gallery__thumbInner{
	display:flex;
	max-width: 900px;
	margin-inline: auto;
	justify-content: space-between;
}

.c-gallery__thumbItem {
  cursor:pointer;
  opacity:.5;
  transition:.2s;
}
.c-gallery__thumbItem.is-active {
  opacity:1;
}
.c-gallery__thumbItem img {
  width:100%;
  max-width:200px;
  display:block;
}

.slick-prev:before,
.slick-next:before {
  color:#000;
}

.c-pageNav {
  border-top: 1px solid #cfd6e4;
  border-bottom: 1px solid #cfd6e4;
  background: #fff;
}

.c-pageNav__list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.c-pageNav__item {
  border-left: 1px solid #cfd6e4;
}

.c-pageNav__item:last-child {
  border-right: 1px solid #cfd6e4;
}

.c-pageNav__link {
  display: grid;
  place-items: center;
  gap: 8px;
  font-size: clamp(12px, 3vw, 15px);
  padding: 18px 10px;
  text-decoration: none;
  color: #0b1b3a;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.c-pageNav__icon {
  width: 10px;
  height: 10px;
  border-right: 2px solid #0b1b3a;
  border-bottom: 2px solid #0b1b3a;
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}

/* hover時に少し下へ */
@media (hover: hover) {
  .c-pageNav__link:hover .c-pageNav__icon {
    transform: translateY(4px) rotate(45deg);
  }
}

.u-price-old {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: #999;
}


/* 汎用2カラム */
.c-col2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 60px;
}

@media (max-width: 768px) {
  .c-col2 {
    grid-template-columns: 1fr;
    gap: 40px;
  }

.c-pageNav__text{
  height: 2.2em;
  line-height: 1.2;
  text-align: center;
  display: flex;
  align-items: center;       
  min-height: 2.6em;     
  text-align: center;
}
.c-pageNav__link{
  padding: 18px 4px;
  display: grid;
  grid-template-rows: 1fr auto; /* 上：テキスト / 下：アイコン */
  align-items: start;
  height: 100%;
}
 .u-spTextLeft {
    text-align: left;
  }
   .u-spTextRight {
    text-align: right;
  }
    .u-spNone {
    display: none !important;
  }
  .c-product-card{
    display: grid;
    grid-template-rows: auto auto auto auto; /* media / tag / text / price */
  }
  .u-sp-container {
  padding-inline: 20px;
}
.u-sp-mb-00 {
    margin-bottom: 0px !important;
}
.c-gallery__thumbInner{
  gap: 4px;
}
}


.u-font-up-12 {
  font-size: 1.2em;
	padding-inline:2px;
}
.u-font-up-14 {
  font-size: 1.4em;
  padding-inline:4px;
}

.u-ls-0 {
  letter-spacing: 0;
}
.u-font-bold{
  font-weight: 700;
}


.ec-blockTopBtn{
  z-index:10;
}