/*
Theme Name: Lightning Child
Theme URI:
Template: lightning
Description:
Author:
Tags:
Version: 0.6.0
*/

/* =============================================
   FRONT PAGE STYLES (page-front.php)
   ============================================= */

*{box-sizing:border-box;margin:0;padding:0;}
:root{
  --navy:#1a2f5e;
  --navy2:#243570;
  --green:#2a7d4f;
  --green2:#1e6640;
  --white:#fff;
  --bg:#f5f6f8;
  --border:#e0e4ec;
  --text:#1a1a2e;
  --muted:#666;
  --light-green:#edf6f1;
  --max:1080px;
}
body{font-family:'Noto Sans JP',sans-serif;color:var(--text);background:var(--white);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased;padding-top:64px;}
a{text-decoration:none;color:inherit;}

/* HEADER */
header{position:fixed;top:0;left:0;right:0;z-index:200;background:var(--white);border-bottom:1px solid var(--border);padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between;}
.logo-name{font-size:1rem;font-weight:900;color:var(--navy);letter-spacing:0.04em;}
.logo-sub{font-size:0.7rem;color:var(--muted);}
.header-nav{display:none;align-items:center;gap:32px;}
.header-nav a{font-size:0.85rem;font-weight:500;color:var(--muted);transition:color .2s;}
.header-nav a:hover{color:var(--navy);}
.header-cta{background:var(--green);color:#fff!important;font-size:0.82rem;font-weight:700;padding:10px 22px;border-radius:4px;transition:opacity .2s;}
.header-cta:hover{opacity:.85;}
.hamburger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:4px;}
.hamburger span{display:block;width:22px;height:2px;background:var(--navy);border-radius:2px;transition:transform .25s,opacity .25s;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{display:none;flex-direction:column;position:fixed;top:64px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--border);z-index:199;padding:16px 24px 20px;}
.mobile-nav.open{display:flex;}
.mobile-nav a{font-size:1rem;font-weight:500;color:var(--text);padding:12px 0;border-bottom:1px solid var(--border);}
.mobile-nav a:last-child{border-bottom:none;margin-top:8px;background:var(--green);color:#fff;text-align:center;padding:14px;border-radius:6px;font-weight:700;}

/* LAYOUT */
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* HERO */
.hero{position:relative;overflow:hidden;background-color:#fff;padding:80px 24px 90px;text-align:center;}
.hero-bg-img{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;opacity:0.12;z-index:0;}
.hero-inner{position:relative;z-index:1;max-width:var(--max);margin:0 auto;}
.hero-top-txt{font-size:clamp(1.1rem,3vw,1.6rem);font-weight:900;color:var(--navy);margin-bottom:12px;letter-spacing:0.02em;}
.hero-center{display:flex;flex-direction:column;align-items:center;margin-bottom:36px;}
.hero-zero-block{display:inline-flex;align-items:center;gap:0;line-height:1;}
.hero-zero-label{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;font-size:clamp(4rem,12vw,5rem);font-weight:900;color:var(--navy);line-height:1;margin-right:8px;padding-bottom:4px;}
.hero-zero-num{font-size:clamp(5rem,20vw,12rem);font-weight:900;color:#e85c00;line-height:1;letter-spacing:-0.04em;font-style:italic;display:block;}
.hero-zero-img{height:clamp(14rem,38vw,17rem);width:auto;display:block;}
.hero-tada{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:clamp(3.5rem,11vw,4.2rem);font-weight:900;color:#e85c00;letter-spacing:0.08em;margin-left:8px;padding-bottom:4px;}
.hero-price-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center;margin-bottom:8px;}
.hero-price-badge{background:#e85c00;color:#fff;font-size:1.05rem;font-weight:900;padding:8px 22px;border-radius:4px;white-space:nowrap;}
.hero-price-main{font-size:clamp(2rem,6vw,3.6rem);font-weight:900;color:var(--navy);white-space:nowrap;}
.hero-price-note{font-size:0.8rem;color:var(--muted);margin-top:6px;margin-bottom:0;}
@media(min-width:900px){.hero{padding:100px 24px 110px;}}

/* SECTION */
.section{padding:64px 24px;}
.section.bg{background:var(--bg);}
.sec-divider{display:flex;align-items:center;gap:14px;margin-bottom:36px;}
.sec-divider::before,.sec-divider::after{content:'';flex:1;height:1px;background:var(--border);}
.sec-title{font-size:1.05rem;font-weight:900;color:var(--navy);white-space:nowrap;}

/* MERIT */
.merit-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.merit-item{display:flex;align-items:flex-start;gap:16px;background:var(--white);border:1px solid var(--border);border-radius:8px;padding:20px 18px;}
.merit-icon-wrap{width:48px;height:48px;border-radius:50%;border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--navy);background:var(--bg);}
.merit-body h3{font-size:0.97rem;font-weight:700;color:var(--navy);margin-bottom:5px;}
.merit-body p{font-size:0.83rem;color:var(--muted);line-height:1.75;}

/* PLAN */
.plan-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-bottom:0;}
.plan-card{overflow:hidden;border-radius:8px;box-shadow:0 2px 16px rgba(26,47,94,0.08);}
.plan-card-head{padding:20px 24px;text-align:center;position:relative;}
.plan-card-head.navy{background:var(--navy);}
.plan-card-head.green{background:var(--green);}
.plan-card-name{font-size:1.05rem;font-weight:900;color:#fff;margin-bottom:5px;}
.plan-card-tag{font-size:0.8rem;color:rgba(255,255,255,0.75);}
.popular-badge{position:absolute;top:0;right:16px;background:#e8a000;color:#fff;font-size:0.68rem;font-weight:900;padding:5px 10px;border-radius:0 0 6px 6px;line-height:1.4;text-align:center;}
.plan-card-body{border:1px solid var(--border);border-top:none;padding:22px 24px;background:var(--white);}
.plan-price-row{display:flex;align-items:baseline;justify-content:center;gap:4px;margin-bottom:4px;}
.price-label{font-size:0.82rem;color:var(--muted);}
.price-num{font-size:2.4rem;font-weight:900;color:var(--navy);line-height:1;}
.price-num.green{color:var(--green);}
.price-yen{font-size:1rem;font-weight:700;}
.price-yen.navy{color:var(--navy);}
.price-yen.green{color:var(--green);}
.plan-tax-row{text-align:center;margin-bottom:16px;}
.price-tax{font-size:0.75rem;color:var(--muted);}
.check-list{list-style:none;border-top:1px solid var(--border);padding-top:14px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:0.85rem;color:var(--text);padding:7px 0;border-bottom:1px solid #f0f1f5;line-height:1.6;}
.check-list li:last-child{border-bottom:none;}
.ck{flex-shrink:0;margin-top:2px;font-weight:700;font-size:0.9rem;}
.ck.navy{color:var(--navy);}
.ck.green{color:var(--green);}
.plan-note{background:var(--light-green);border:1px solid #c3e6d4;border-radius:6px;padding:12px 14px;margin-top:14px;font-size:0.78rem;color:var(--green2);line-height:1.7;}
.plan-note .note-title{font-weight:700;margin-bottom:2px;}

/* CAMPAIGN */
.campaign-section{padding:16px 24px;background:#ff7500;}
.campaign-inner{max-width:640px;margin:0 auto;}
.campaign-layout{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;}
.campaign-badge{display:flex;align-items:center;justify-content:center;background:#fff;width:100px;height:100px;border-radius:50%;flex-shrink:0;text-align:center;line-height:1.2;box-shadow:0 4px 20px rgba(0,0,0,0.2);border:6px solid #f0ff1c;}
.campaign-badge-sub{display:block;font-size:0.75rem;font-weight:700;color:#1a1a1a;letter-spacing:0.05em;}
.campaign-badge-main{display:block;font-size:1.9rem;font-weight:900;color:#ff7500;letter-spacing:0.02em;}
.campaign-body{flex:1;text-align:center;}
@media(min-width:768px){
  .campaign-layout{flex-direction:row;text-align:left;gap:24px;}
  .campaign-badge{width:170px;height:170px;border-width:10px;}
  .campaign-badge-sub{font-size:1.1rem;}
  .campaign-badge-main{font-size:2.8rem;}
  .campaign-body{text-align:left;}
}
.campaign-title{font-size:clamp(1.1rem,3vw,1.5rem);font-weight:900;color:#fff;line-height:1.4;margin-bottom:14px;}
.campaign-btn{display:inline-block;background:#fff;color:#ff7500;font-size:0.95rem;font-weight:900;padding:12px 36px;border-radius:6px;transition:opacity .2s;margin-bottom:8px;}
.campaign-btn:hover{opacity:.88;}
.campaign-note{font-size:0.7rem;color:rgba(255,255,255,0.5);}

/* COMMON */
.common-section{padding:56px 24px;}
.common-divider{display:flex;align-items:center;gap:14px;margin-bottom:36px;}
.common-divider::before,.common-divider::after{content:'';flex:1;height:1px;background:var(--border);}
.common-title-txt{font-size:1.05rem;font-weight:900;color:var(--navy);white-space:nowrap;}
.common-items{display:flex;flex-direction:column;gap:20px;}
.common-item{display:flex;align-items:flex-start;gap:16px;}
.common-icon{width:48px;height:48px;border-radius:50%;background:var(--navy);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff;font-size:1.1rem;}
.common-body strong{display:block;font-size:1.05rem;font-weight:900;color:var(--navy);margin-bottom:2px;line-height:1.4;}
.common-body span{font-size:0.82rem;color:var(--muted);}

/* CONTACT */
.contact-section{padding:52px 24px;text-align:center;}
.contact-section h2{font-size:1.15rem;font-weight:900;color:var(--navy);margin-bottom:10px;}
.contact-section p{font-size:0.87rem;color:var(--muted);margin-bottom:28px;line-height:1.9;}
.btn-line-big{display:flex;align-items:center;justify-content:space-between;background:#06c755;color:#fff;font-weight:700;font-size:1rem;padding:16px 22px;border-radius:8px;margin-bottom:12px;transition:opacity .2s;}
.btn-line-big:hover{opacity:.88;}
.btn-line-left{display:flex;align-items:center;gap:12px;}
.line-icon-box{background:#fff;color:#06c755;font-size:0.75rem;font-weight:900;width:28px;height:28px;border-radius:5px;display:flex;align-items:center;justify-content:center;}
.btn-form-big{display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:#fff;font-weight:700;font-size:1rem;padding:16px 22px;border-radius:8px;transition:opacity .2s;}
.btn-form-big:hover{opacity:.88;}
.btn-form-left{display:flex;align-items:center;gap:12px;}
.arrow{font-size:1rem;opacity:.7;}

/* FOOTER */
footer{background:var(--navy);padding:36px 24px;color:rgba(255,255,255,.9);}
.footer-inner{max-width:var(--max);margin:0 auto;}
.footer-company{font-size:0.97rem;font-weight:700;margin-bottom:8px;}
.footer-hours{font-size:0.78rem;color:rgba(255,255,255,.6);margin-bottom:16px;}
.footer-links{display:flex;gap:16px;font-size:0.75rem;border-top:1px solid rgba(255,255,255,.15);padding-top:16px;margin-bottom:12px;}
.footer-links a{color:rgba(255,255,255,.55);}
.footer-copy{font-size:0.72rem;color:rgba(255,255,255,.35);text-align:center;}

/* REVEAL */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.visible{opacity:1;transform:none;}

/* PC */
@media(min-width:768px){
  .header-nav{display:flex;}
  .hamburger{display:none;}
  .merit-grid{grid-template-columns:1fr 1fr;}
  .plan-grid{grid-template-columns:1fr 1fr;}
  .common-items{flex-direction:row;gap:0;}
  .common-item{flex:1;flex-direction:column;align-items:center;text-align:center;padding:0 28px;border-right:1px solid var(--border);}
  .common-item:last-child{border-right:none;}
  .common-icon{margin-bottom:14px;}
  .common-body strong{font-size:1.1rem;}
  .contact-inner{max-width:560px;margin:0 auto;}
  .contact-btns{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .btn-line-big,.btn-form-big{margin-bottom:0;}
  .footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;}
  .section{padding:80px 32px;}
  .common-section{padding:72px 32px;}
  .contact-section{padding:72px 32px;}
  .campaign-section{padding:20px 32px;}
}
@media(min-width:1024px){
  .merit-grid{grid-template-columns:repeat(4,1fr);}
}

/* MARKER */
.hero-marker{background:linear-gradient(transparent 75%,rgba(255, 177, 61, 0.75) 25%);background-size:0% 100%;background-repeat:no-repeat;animation:draw-marker 0.7s ease-out 1.2s forwards;display:inline;}
@keyframes draw-marker{to{background-size:100% 100%;}}

/* TROUBLE */
.trouble-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.trouble-item{position:relative;background:rgba(255,253,248,0.93);border-radius:20px;padding:28px 28px 28px 52px;box-shadow:0 6px 24px rgba(0,0,0,0.09);overflow:hidden;backdrop-filter:blur(3px);display:flex;align-items:center;min-height:100px;}
.trouble-item::before{content:'❝';position:absolute;top:50%;left:14px;transform:translateY(-50%);font-size:3.5rem;color:rgba(232,92,0,0.13);line-height:1;pointer-events:none;font-family:serif;}
.trouble-item p{font-size:0.95rem;font-weight:700;color:var(--navy);line-height:1.75;width:100%;}
@media(min-width:768px){.trouble-grid{grid-template-columns:1fr 1fr;}}

/* SOLUTION */
.solution-section{padding:80px 24px;background:#F5C800;}
.solution-sec-divider{display:flex;align-items:center;gap:14px;margin-bottom:36px;margin-top:-70px;}
.solution-sec-divider::before,.solution-sec-divider::after{content:none;}
@media(min-width:768px){.solution-sec-divider::before,.solution-sec-divider::after{content:'';flex:1;height:1px;background:rgba(0,0,0,0.15);}}
.solution-sec-title{font-size:2.3rem;font-weight:900;color:var(--navy);white-space:nowrap;}
.solution-list{display:flex;flex-direction:column;gap:20px;}
.solution-item{display:flex;align-items:flex-start;gap:18px;background:rgba(255,255,255,0.7);border:1px solid rgba(0,0,0,0.08);border-radius:12px;padding:28px 24px;box-shadow:0 2px 16px rgba(0,0,0,0.06);}
.solution-check{color:var(--green);font-size:1.8rem;font-weight:900;flex-shrink:0;margin-top:2px;}
.solution-text strong{display:block;font-size:1.1rem;font-weight:900;color:var(--navy);margin-bottom:8px;}
.solution-text span{font-size:0.9rem;color:#444;line-height:1.85;}
@media(min-width:768px){.solution-list{flex-direction:row;}.solution-item{flex:1;flex-direction:column;}
.solution-section{padding:96px 32px;}}

/* FEATURE */
.feature-grid{display:grid;grid-template-columns:1fr;gap:0;}
.feature-item{display:grid;grid-template-columns:auto 1fr;gap:0 24px;padding:28px 0;border-bottom:1px solid var(--border);}
.feature-item:first-child{border-top:1px solid var(--border);}
.feature-num{font-size:2.2rem;font-weight:900;color:var(--border);line-height:1;padding-top:2px;letter-spacing:-0.02em;min-width:48px;}
.feature-body strong{display:block;font-size:1rem;font-weight:900;color:var(--navy);margin-bottom:6px;line-height:1.4;}
.feature-body p{font-size:0.85rem;color:var(--muted);line-height:1.8;}
@media(min-width:768px){.feature-grid{grid-template-columns:1fr 1fr;}.feature-item:nth-child(odd){padding-right:40px;}.feature-item:nth-child(even){padding-left:40px;border-left:1px solid var(--border);}}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#fff;}
.faq-question{display:flex;align-items:center;gap:14px;padding:18px 20px;cursor:pointer;user-select:none;}
.faq-q-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;font-size:0.8rem;font-weight:900;display:flex;align-items:center;justify-content:center;}
.faq-q-text{flex:1;font-size:0.95rem;font-weight:700;color:var(--navy);line-height:1.5;}
.faq-toggle{flex-shrink:0;font-size:1.2rem;color:var(--muted);transition:transform .25s;}
.faq-item.open .faq-toggle{transform:rotate(45deg);}
.faq-answer{display:none;padding:0 20px 18px 62px;font-size:0.87rem;color:var(--muted);line-height:1.85;}
.faq-item.open .faq-answer{display:block;}
.faq-a-icon{display:inline-block;margin-right:6px;font-weight:900;color:var(--green);}

/* HERO 集中線 (mobile only) */
@media(max-width:767px){
  .hero-center{position:relative;}
  .hero-center::before{
    content:'';
    position:absolute;
    top:50%;left:50%;
    width:560px;height:560px;
    transform:translate(-50%,-50%);
    background:repeating-conic-gradient(
      rgba(232,92,0,0.11) 0deg 2deg,
      transparent 2deg 9deg
    );
    border-radius:50%;
    mask-image:radial-gradient(circle, transparent 28%, black 48%);
    -webkit-mask-image:radial-gradient(circle, transparent 28%, black 48%);
    z-index:0;
    pointer-events:none;
  }
  .hero-zero-block{position:relative;z-index:1;}
}

/* MOBILE FONT SIZE BOOST */
@media(max-width:767px){
  .merit-body p{font-size:1rem;}
  .check-list li{font-size:1rem;}
  .plan-note{font-size:1rem;}
  .plan-card-tag{font-size:1rem;}
  .price-label{font-size:1rem;}
  .price-tax{font-size:1rem;}
  .feature-body p{font-size:1rem;}
  .faq-answer{font-size:1rem;}
  .solution-text span{font-size:1rem;}
  .contact-section p{font-size:1rem;}
  .common-body span{font-size:1rem;}
}