/* LUMINA FIT（架空）— style.css */
:root{
  --white:#ffffff;
  --ivory:#f8f6f1;
  --hero-bg:#fbf9f3;
  --green-d:#29352d;
  --green:#718c78;
  --header-h:68px;
  --radius:28px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--green-d);background:var(--white);line-height:1.8;font-size:17px;overflow-x:clip;letter-spacing:.03em}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{text-wrap:balance}
h1,h2,h3,p{word-break:auto-phrase}
section[id]{scroll-margin-top:var(--header-h)}
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:6px}
.container{width:min(1160px,100% - 48px);margin-inline:auto}
.skip-link{position:absolute;left:12px;top:-60px;background:var(--green-d);color:#fff;padding:10px 16px;border-radius:8px;z-index:200;transition:top .2s}
.skip-link:focus{top:8px}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(251,249,243,.96);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.site-header.scrolled{border-color:#e7e2d6;box-shadow:0 4px 16px rgba(41,53,45,.06)}
.header-inner{height:var(--header-h);width:min(1240px,100% - 40px);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{font-weight:700;font-size:22px;letter-spacing:.08em;color:var(--green);text-decoration:none}
.gnav ul{display:flex;align-items:center;gap:28px}
.gnav a{text-decoration:none;font-size:15px;font-weight:500;position:relative;padding:6px 0}
.gnav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.gnav a:not(.nav-cta):hover::after,.gnav a.active::after{transform:scaleX(1)}
.nav-cta{background:var(--green);color:#fff;padding:10px 22px!important;border-radius:16px;font-weight:700;transition:background .3s,transform .3s}
.nav-cta:hover{background:#5f7a67;transform:translateY(-1px)}
.menu-btn{display:none;width:48px;height:48px;border:0;background:transparent;position:relative;cursor:pointer;border-radius:50%}
.menu-btn span{position:absolute;left:12px;width:24px;height:2px;background:var(--green-d);border-radius:2px;transition:transform .3s,opacity .3s}
.menu-btn span:nth-child(1){top:16px}.menu-btn span:nth-child(2){top:23px}.menu-btn span:nth-child(3){top:30px}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* button */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:72px;width:min(100%,360px);padding:14px 24px;border:0;border-radius:24px;background:var(--green);color:#fff;font:inherit;font-weight:700;font-size:20px;letter-spacing:.06em;text-decoration:none;cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s,background .3s}
.btn:hover{transform:translateY(-3px);background:#667f6d;box-shadow:0 12px 24px rgba(41,53,45,.18)}

/* photo */
.photo{overflow:hidden;background:#e9eee9}
.photo img{width:100%;height:100%;object-fit:cover;object-position:var(--pos,50% 50%)}

/* hero */
.hero{background:var(--hero-bg);padding-top:var(--header-h)}
.hero-inner{display:grid;grid-template-columns:1fr 528px;gap:56px;align-items:center;padding-block:56px 64px;min-height:calc(768px - var(--header-h))}
.hero-brand{font-weight:700;font-size:22px;letter-spacing:.06em;color:var(--green);margin-bottom:56px}
.hero h1{font-weight:700;font-size:clamp(34px,4.2vw,54px);line-height:1.55;letter-spacing:.04em}
.hero-sub{margin-top:32px;font-size:19px;line-height:1.9;font-weight:500}
.hero .btn{margin-top:44px;width:340px}
.hero-note{margin-top:36px;font-size:15px}
.hero-photo{--pos:42% 30%;border-radius:40px;aspect-ratio:528/636}

/* sections */
.section{padding-block:clamp(72px,9vw,112px)}
.worries,.faq,.program,.flow{background:var(--white)}
.reasons,.trial{background:var(--ivory)}
.h2{font-weight:700;font-size:clamp(28px,4vw,52px);line-height:1.5;letter-spacing:.06em;text-align:center}
.section-head{text-align:center;margin-bottom:48px}
.eyebrow{font-weight:700;font-size:22px;color:var(--green);letter-spacing:.06em;margin-bottom:6px}
.lead{margin-top:14px;font-size:clamp(17px,1.7vw,21px);line-height:1.8}
.worries .h2,.reasons .h2{margin-bottom:56px}
.section-foot{margin-top:56px;text-align:center;font-size:clamp(17px,1.6vw,20px);line-height:2}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.card{border-radius:var(--radius);padding:32px 20px 36px;text-align:center;transition:transform .4s var(--ease),box-shadow .4s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 36px rgba(41,53,45,.1)}
.cards-ivory .card{background:var(--ivory)}
.cards-white .card{background:var(--white)}
.num{display:block;font-weight:700;font-size:26px;color:var(--green);margin-bottom:12px}
.card-lead{font-size:20px;font-weight:500;line-height:2}
.card h3{font-weight:700;font-size:23px;line-height:1.6}
.card p{font-size:17px;line-height:1.9}
.reasons .card{padding-block:36px 44px}
.reasons .card h3{margin-bottom:18px}
.worries .card{min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:38px}

/* program */
.cards-photo .card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.card-photo{aspect-ratio:360/188;transition:none}
.card-photo img{transition:transform .8s var(--ease)}
.card:hover .card-photo img{transform:scale(1.05)}
.card-body{padding:28px 20px 40px}
.card-body h3{margin-bottom:14px}

/* flow / faq */
.step{display:block;font-weight:700;font-size:28px;color:var(--green);line-height:1.3}
.bar{display:block;width:40px;height:4px;border-radius:2px;background:var(--green);margin:8px auto 14px}
.flow .card h3,.faq .card h3{margin-bottom:12px}
.flow .card h3{font-weight:500;font-size:24px}
.qa-q{display:block;font-weight:700;font-size:30px;line-height:1.2;color:var(--green)}
.qa-a{display:block;font-weight:700;font-size:22px;line-height:1.3;margin-bottom:8px}
.faq .card h3{font-size:21px;line-height:1.6}
.faq .card p{font-size:17px;line-height:1.9}
.faq .bar{margin-top:14px;margin-bottom:12px}

/* trial */
.trial-panel{background:var(--white);border-radius:var(--radius);max-width:1000px;margin-inline:auto;padding:44px 24px 48px;text-align:center}
.trial-panel .h2{margin-bottom:28px}
.trial-panel .lead{margin-top:0;margin-bottom:44px;font-size:clamp(17px,1.7vw,21px);line-height:1.9}
.demo-result{min-height:1.8em;margin-top:18px;font-size:15px;font-weight:700;color:var(--green)}
.fiction-note{max-width:900px;margin:44px auto 0;text-align:center;font-size:15px;line-height:1.9}

/* footer */
.site-footer{background:var(--green-d);color:#e9eee9;padding:48px 0 36px;text-align:center}
.footer-logo{font-weight:700;font-size:24px;letter-spacing:.1em;color:#fff;margin-bottom:18px}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 28px;margin-bottom:24px}
.footer-nav a{text-decoration:none;display:inline-block;padding:6px 0;font-size:15px}
.footer-nav a:hover{text-decoration:underline}
.footer-note{font-size:15px;font-weight:700;color:#fff;margin-bottom:8px}
.copy{color:#b9c4bb}

/* reveal */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .cards .reveal:nth-child(2){transition-delay:.12s}
.js .cards .reveal:nth-child(3){transition-delay:.24s}
.js .card.reveal.in{transition:opacity .9s var(--ease),transform .4s var(--ease),box-shadow .4s}

/* tablet */
@media (max-width:1100px){
  .cards{gap:24px}
  .hero-inner{grid-template-columns:1fr 44%;gap:32px}
  .gnav ul{gap:18px}
  .card-lead{font-size:18px}
}

/* mobile：3列は縦1列、文字は縮小しない */
@media (max-width:860px){
  :root{--header-h:64px}
  .menu-btn{display:block}
  .gnav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:var(--hero-bg);padding:16px 24px 40px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .3s,transform .3s,visibility .3s}
  .gnav.open{opacity:1;visibility:visible;transform:none}
  .gnav ul{flex-direction:column;align-items:stretch;gap:0}
  .gnav li{border-bottom:1px solid #e7e2d6}
  .gnav a{display:block;padding:18px 4px;font-size:18px}
  .gnav a:not(.nav-cta)::after{display:none}
  .gnav li:last-child{border:0;margin-top:24px}
  .nav-cta{text-align:center;padding:16px!important}

  .cards{grid-template-columns:1fr;gap:20px}
  .hero-inner{grid-template-columns:1fr;min-height:0;gap:36px;padding-block:40px 56px}
  .hero-brand{margin-bottom:28px}
  .hero .btn{width:min(100%,340px)}
  .hero-photo{aspect-ratio:4/5;border-radius:32px;max-height:560px;width:100%}
  .worries .card{min-height:0;padding-bottom:36px}
  .card{padding-inline:20px}
  .section-head{margin-bottom:36px}
  .worries .h2,.reasons .h2{margin-bottom:36px}
  .card-photo{aspect-ratio:16/10}
}
@media (max-width:480px){
  body{font-size:17px}
  .container{width:min(1160px,100% - 40px)}
  .h2{font-size:28px}
  .hero h1{font-size:32px}
  .eyebrow{font-size:20px}
  .card br.pc{display:none}
  .trial-panel{padding-inline:20px}
  .btn{font-size:18px;padding-inline:12px}
  .trial-panel .h2{font-size:26px}
  .fiction-note,.footer-note{text-align:left}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}