/*
Theme Name: Learn to Do It v7.2 Illustration Fix
Theme URI: https://learntodoit.org/
Author: Learn to Do It
Description: Learn to Do It公式サイト用。白・青・黄、Apple風の余白、モックアップに合わせた固定ビジュアル。
Version: 7.2.0
Text Domain: learntodoit
*/
:root{--blue:#0057FF;--yellow:#FFC400;--ink:#111827;--muted:#5f6773;--line:#e8edf5;--soft:#f8fbff;--cream:#fff8df;--white:#fff;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.75;letter-spacing:.01em}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.container{width:min(calc(100% - 48px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(232,237,245,.8)}.header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:var(--blue);font-weight:800}.door-logo{width:34px;height:46px;position:relative;border:3px solid var(--blue);border-right:7px solid var(--yellow)}.door-logo:before{content:"";position:absolute;left:-1px;top:-1px;width:24px;height:42px;background:var(--blue);clip-path:polygon(0 0,100% 13%,100% 87%,0 100%)}.brand-copy{line-height:1.15}.brand-copy strong{font-size:20px}.brand-copy small{display:block;color:var(--ink);font-size:11px;margin-top:4px}.nav{display:flex;gap:28px;font-size:14px;font-weight:700}.nav a:hover{color:var(--blue)}.header-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:999px;border:1.5px solid var(--blue);font-weight:800;transition:.2s}.btn-primary{background:var(--blue);color:#fff}.btn-outline{background:#fff;color:var(--blue)}.btn:hover{transform:translateY(-2px)}
.hero{padding:72px 0 54px}.hero-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:36px;align-items:center}.hero h1{margin:0;color:var(--blue);font-size:clamp(72px,7vw,116px);line-height:.88;letter-spacing:-.055em}.yellow-rule{width:44px;height:4px;background:var(--yellow);border-radius:99px;margin:28px 0 22px}.hero-copy{font-size:clamp(30px,3.1vw,48px);font-weight:800;line-height:1.45;margin:0}.hero-copy .under{background:linear-gradient(transparent 73%,rgba(255,196,0,.55) 0)}.hero-tagline{color:var(--blue);font-weight:800;font-size:20px;margin:12px 0 28px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-visual{min-height:530px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-visual img{width:100%;height:100%;object-fit:contain;object-position:center}
.section{padding:94px 0}.section-soft{background:linear-gradient(180deg,#fbfdff,#f7faff)}.about-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px;align-items:center}.section-title{font-size:clamp(32px,4vw,54px);line-height:1.2;color:var(--blue);letter-spacing:-.03em;margin:0}.section-copy{font-size:18px;max-width:610px}.text-link{display:inline-flex;gap:10px;align-items:center;color:var(--blue);font-weight:800;margin-top:16px}.about-visual{min-height:300px;display:flex;align-items:center}.about-visual img{width:100%;height:100%;object-fit:contain}
.challenge{text-align:center}.challenge-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:18px;margin-top:44px}.challenge-item{font-size:14px;font-weight:700}.icon-circle{width:88px;height:88px;margin:0 auto 13px;border-radius:50%;background:var(--cream);display:grid;place-items:center;color:var(--blue);font-size:38px;line-height:1}
.dual-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}.feature-card{position:relative;overflow:hidden;min-height:390px;padding:44px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 16px 50px rgba(0,54,140,.07)}.feature-card.support{background:linear-gradient(135deg,#fff,#fff7d9)}.feature-card h3{font-size:32px;color:var(--blue);margin:0}.feature-card ol{list-style:none;padding:0;margin:22px 0;counter-reset:num}.feature-card li{counter-increment:num;margin:10px 0;font-weight:700}.feature-card li:before{content:counter(num);display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;margin-right:10px;font-size:13px}.feature-art{position:absolute;right:12px;bottom:16px;width:42%;height:68%;object-fit:contain;object-position:right bottom;}.support .feature-art{width:40%}.feature-card .btn{position:relative;z-index:2;margin-top:8px;min-width:240px}
.story-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.story-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.story-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.story-thumb{aspect-ratio:4/3;background:linear-gradient(135deg,#eaf2ff,#fff0b8)}.story-thumb img{width:100%;height:100%;object-fit:cover}.story-body{padding:18px}.story-meta{font-size:12px;color:var(--blue);font-weight:800}.story-title{font-size:17px;font-weight:800;line-height:1.5;margin-top:7px}.story-placeholder{display:grid;place-items:center;height:100%;font-size:40px}
.cta{padding:100px 0;text-align:center;background:var(--blue);color:#fff}.cta h2{font-size:clamp(40px,5vw,68px);line-height:1.18;margin:0 0 14px}.cta p{font-size:20px}.cta .btn-primary{background:#fff;color:var(--blue);border-color:#fff}.cta .btn-outline{background:transparent;color:#fff;border-color:#fff}.site-footer{padding:52px 0 30px}.footer-inner{display:flex;justify-content:space-between;gap:24px}.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:14px;font-weight:700}.copyright{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
@media(max-width:980px){.nav{display:none}.hero-grid,.about-grid{grid-template-columns:1fr}.hero-visual{min-height:430px}.challenge-grid{grid-template-columns:repeat(4,1fr)}.story-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.container{width:min(calc(100% - 28px),var(--max))}.site-header{position:relative}.header-inner{min-height:70px}.brand-copy strong{font-size:15px}.header-actions .btn-outline{display:none}.header-actions .btn{min-height:40px;padding:0 17px}.hero{padding:46px 0 36px}.hero h1{font-size:60px}.hero-copy{font-size:29px}.hero-tagline{font-size:17px}.hero-visual{min-height:310px;margin-top:10px}.section{padding:70px 0}.challenge-grid{grid-template-columns:repeat(2,1fr)}.dual-cards,.story-grid{grid-template-columns:1fr}.feature-card{padding:30px;min-height:430px}.feature-art{width:48%;height:54%}.story-head,.footer-inner{display:block}.footer-links{margin-top:24px}.cta{padding:76px 0}.btn{min-height:44px;padding:0 20px}}

/* v7.2 illustration image fixes */
.hero-visual img,.about-visual img,.feature-art{image-rendering:auto}
.feature-art{background:transparent}
.support .feature-art{right:24px;bottom:28px;width:36%;height:58%}
@media(max-width:680px){.feature-art{right:10px;bottom:14px;width:46%;height:48%}.support .feature-art{right:16px;bottom:18px;width:44%;height:46%}}