@charset "UTF-8";

/*----------------------------------------
法人・個人事業主のお客様ページは以下を挿入
----------------------------------------*/ 
/*下層ヘッダー背景グラデ*/
.pages_head { background: #41D6C5;
background: linear-gradient(90deg,rgba(65, 214, 197, 1) 0%, rgba(43, 198, 150, 1) 100%); }

/*サイドメニュー色変*/
.side_nav .side_nav_box { background: #C7F7EE; }
.side_nav a { color: #232323; }
.side_nav a:hover { color: #232323; background: #bae8df; }
.side_nav a.is-active { color: #232323; background: #a5e8db; font-weight: 700; font-weight: 700; }

/*----------------------------------------
END 法人・個人事業主のお客様ページは以下を挿入 END
----------------------------------------*/ 

:root { --blue-light:#1baed1; --blue-dark:#0a3b98; --teal:#10bfc0; --gray-light:#f5f9ff; --gray-dark:#222; --panel:#f5f9ff; --text-color:#222; --brand:#0f3aa3; --grad1:#30b3c0; --grad2:#0a339a; --radius:16px; }

/* ベース */
.contents_area { min-width: 0; overflow-x: hidden; }

/* ヒーロー */
.intro h2.c_a { color: var(--blue-color); margin-bottom: clamp(20px,5vw,30px); }
.intro h2.c_a span { display: block; font-weight: 600; font-size: clamp(16px,4vw,18px); }
.intro img { max-width: min(100%,785px); display: block; margin: 0 auto; }
.intro_txt { font-weight: 500; text-align: center; margin-top: clamp(20px,6vw,60px); margin-bottom: clamp(30px,6vw,50px); letter-spacing: .06em; font-size: clamp(14px,3.2vw,20px); }

/* 元売カード帯 */
.cards_wrap { margin: 0 auto; }
.cards_wrap .cards_ttl { font-size: clamp(14px,2vw,20px); font-weight: 500; text-align: center; color: var(--blue-color); margin-bottom: 15px; }
.cards_wrap img { max-width: min(100%,440px); display: block; margin: 0 auto; }

/* 3ステップ（上段） */
.co2-flow { --arrow: clamp(26px,2.6vw,34px); --teal:#10bfc0; --panel:#f5f9ff; }
.co2-flow__grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: clamp(10px,3vw,20px); }
.co2-flow__card { position: relative; background: var(--panel); border-radius: 24px; padding: 90px 20px 30px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.co2-flow__badge { position: absolute; top: 18%; left: 50%; transform: translate(-50%,-50%); width: 50px; height: 50px; border-radius: 9999px; background: linear-gradient(180deg,#1baed1 0%,#0a3b98 100%); display: grid; place-items: center; box-shadow: 0 6px 14px rgba(0,0,0,.08); }
.co2-flow__badge b { font-size: 10px; letter-spacing: .1em; color: #fff; opacity: .9; }
.co2-flow__badge em { font-style: normal; font-weight: 800; font-size: clamp(14px,3vw,19px); line-height: 1; color: #fff; }
.co2-flow__fig img { width: max(80%,170px); height: auto; display: block; }
.co2-flow__txt { margin-top: 10px; font-size: clamp(14px,1.6vw,16px); line-height: 1.7; color: #222; }
.co2-flow__arrow { align-self: center; width: var(--arrow); height: var(--arrow); position: relative; }
.co2-flow__arrow::before { content: ""; display: block; border-left: calc(var(--arrow)*.7) solid var(--teal); border-top: calc(var(--arrow)*.45) solid transparent; border-bottom: calc(var(--arrow)*.45) solid transparent; }

/* about：2カラムカード */
.about .inner_flex { display: flex; justify-content: space-between; margin-top: 60px; flex-wrap: wrap; align-items: stretch; gap: 40px; }
.about .box { background: #f6f9ff; border-radius: 15px; width: 47%; padding: 40px; box-sizing: border-box; display: flex; flex-direction: column; }
.about .box .box_ttl { text-align: center; font-weight: 500; line-height: 1; font-size: clamp(17px,3.2vw,20px); margin-bottom: clamp(10px,3.2vw,15px); color: var(--blue-color); }
.about .box .txt { margin-bottom: 15px; }
.about .box img { display: block; margin-top: auto; }

/* 仕組み：全体枠 */
.cn-wrap { max-width: 770px; margin: 0 auto; display: grid; gap: 28px; }
.cn-top { width: 100%; }

/* 仕組み：下段パネル */
.cn-panel { background: #e5f9f9; border-radius: 16px; padding: 40px; box-sizing: border-box; }
.cn-title { margin: 0 0 15px; font-size: clamp(18px,3.6vw,22px); font-weight: 600; text-align: center; }
.cn-sep { border: 0; border-top: 1px solid #707070; margin: 8px 0 14px; }

.cn-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: clamp(8px,4vw,10px); width: min(100%,500px); margin: 0 auto; }
.cn-step { display: grid; justify-items: center; text-align: center; position: relative; }
.cn-step__inner { display: flex; align-items: center; gap: clamp(10px,3vw,20px); }
.cn-num { display: grid; place-items: center; width: clamp(30px,6vw,45px); height: clamp(30px,6vw,45px); border-radius: 50%; background: linear-gradient(180deg,#35c0b6 0%,#0d3c97 100%); color: #fff; font-weight: 500; font-size: clamp(15px,2.5vw,17px); flex-shrink: 0; }
.cn-step__txt { display: flex; align-items: center; gap: 10px; }
.cn-step__head { margin: 0; font-weight: 500; color: var(--blue-color); font-size: clamp(17px,2.5vw,20px); letter-spacing: .05em; }
.cn-step__sub { margin: 0; color: #333; font-size: clamp(14px,2.3vw,16px); }
.cn-down { width: 0; height: 0; border-left: 10px solid transparent; border-right: 10px solid transparent; border-top: 14px solid #40b4b0; margin: clamp(5px,2vw,10px) auto 0; }
.cn-note { margin: 16px 0 0; font-weight: 600; text-align: center; font-size: clamp(14px,2.5vw,18px); color: var(--blue-color); letter-spacing: .05em; }

/* セクション帯と枠 */
.cn-block { container-type: inline-size; margin-top: clamp(25px,6vw,60px); }
.cn-band { display: inline-block; background: var(--blue-color); color: #fff; padding: .5em 1em; line-height: 1; font-size: clamp(16px,2vw,20px); }
.cn-frame { border: 2px solid var(--blue-color); padding: clamp(18px,3vw,28px); }

/* 料金体系 */
.cn-price { margin-bottom: clamp(24px,4vw,40px); }
.cn-price__grid { display: grid; grid-template-columns: 1fr auto 1fr auto; align-items: center; gap: clamp(14px,3vw,24px); }
.cn-price__card { background: #e5f9f9; border: 2px solid var(--line); border-radius: 14px; padding: clamp(14px,2.8vw,20px); text-align: center; }
.cn-price__fig { width: clamp(88px,18vw,160px); aspect-ratio: 4/3; display: grid; place-items: center; margin: 0 auto; }
.cn-price__fig img { max-width: 100%; height: auto; display: block; }
.cn-price__ttl { margin: 0 0 .25em; font-weight: 600; font-size: clamp(16px,2.2vw,18px); }
.cn-price__sub { margin: 0; font-size: clamp(12px,1.8vw,14px); }
.cn-price__plus { font-weight: 600; font-size: clamp(26px,6vw,44px); line-height: 1; display: grid; place-items: center; }
.cn-price__sum { display: flex; flex-direction: column; margin-bottom: 8px; }
.cn-price__sum-label { background: var(--blue-color); color: #fff; font-weight: 700; padding: .35em .8em .45em; font-size: clamp(12px,1.8vw,14px); display: inline-block; margin-bottom: 7px; text-align: center; }
.cn-price__sum-body { color: var(--blue-color); font-weight: 600; letter-spacing: .03em; font-size: clamp(16px,2.8vw,24px); }

/* 特徴 */
.cn-features { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(14px,2.8vw,22px); }
.cn-feature { background: #e5f9f9; border: 2px solid var(--line); border-radius: 14px; padding: clamp(16px,2.8vw,22px); display: grid; justify-items: center; text-align: center; }
.cn-feature__icon { width: clamp(80px,11vw,112px); display: grid; place-items: center; margin-bottom: clamp(10px,2vw,14px); }
.cn-feature__icon img { width: 66%; height: auto; display: block; }
.cn-feature__ttl { color: var(--blue-color); font-weight: 600; font-size: clamp(16px,2.2vw,18px); line-height: 1.3; margin-bottom: 10px; }
.cn-feature__txt { margin: 0; font-size: clamp(13px,2vw,15px); line-height: 1.7; text-align: left; }
.cn-feature__list { text-align: left; font-size: clamp(13px,2vw,15px); line-height: 1.7; }
.cn-feature__list li::before { content: '・'; display: inline-block; font-size: 12px; }

/* メリット（3つのブロック） */
.merit-item { display: grid; grid-template-columns: 1fr 1fr 2fr; align-items: center; gap: clamp(16px,3vw,40px); background: #f5fbff; border-radius: 16px; padding: 32px 40px; position: relative; }
.merit-item:not(:last-of-type) { margin-bottom: 40px; }
.merit-label { background: #41bbb9; color: #fff; border-radius: 10px 0; text-align: center; line-height: 1.4; padding: 10px; font-size: clamp(12px,1vw,14px); min-width: 50px; position: absolute; top: 0; left: 0; }
.merit-label span { display: block; font-size: clamp(14px,2vw,20px); font-weight: 500; line-height: 1.2; }
.merit-content h3 { color: var(--blue-color); font-size: clamp(16px,2vw,20px); font-weight: 500; }
.merit-content h3 span { font-size: 70%; display: block; }
.merit-content p,
.merit-content li { font-size: clamp(14px,2vw,16px); line-height: 1.7; color: #333;  }
.merit-content li { text-indent: -1.3em; }
.merit-content ul { padding-left: 1em; }
.merit-content ul li::before { content: ""; display: inline-block; background: url("../img/carbon-neutral/check.svg") no-repeat; background-size: contain; width: 15px; height: 13px; margin-right: 3px; }
.merit-image { justify-self: center; }
.merit-image img { display: block; width: 100%; max-width: 225px; height: auto; }
.merit .c-button-more_wrap { margin-top: 40px; text-align: right; }
.merit-item dl dt { margin-bottom: 7px; font-weight: 600; color: var(--blue-color); font-size: clamp(14px, 2vw, 16px); }
.merit-item dl dd { margin-bottom: 13px; font-size: clamp(14px, 2vw, 16px); line-height: 1.3; }


@media screen and (max-width: 1200px) {
  .cn-price__grid{grid-template-columns:1fr;gap:clamp(10px,3vw,16px);}
  .cn-price__sum-body { text-align: center; }
}

@media only screen and (max-width: 600px){
  .intro_txt { text-align: left; }
  .co2-flow__grid { grid-template-columns: 1fr; gap: clamp(18px,5vw,26px); }
  .co2-flow__fig img { width: min(360px,76%); }
  .co2-flow__arrow { width: clamp(24px,8vw,34px); height: clamp(24px,8vw,34px); margin: 2px auto; }
  .co2-flow__arrow::before { border-left: 0; border-right: 0; border-top: clamp(14px,6vw,18px) solid var(--teal); border-left: clamp(12px,5vw,16px) solid transparent; border-right: clamp(12px,5vw,16px) solid transparent; }
  .about .box { width: 100%; padding: 30px; }
  .cn-panel { padding: 30px; }
  .cn-step__inner { flex-direction: column; text-align: center; }
  .cn-step__txt { display: block; }
  .cn-features { grid-template-columns: 1fr; gap: clamp(12px,3.5vw,18px); }
  .merit-item { display: flex; flex-direction: column; padding: 30px; }
  .merit .c-button-more_wrap { text-align: center; margin-top: 20px; }
}