:root{--ink:#0c0c0c;--paper:#efefec;--white:#fff;--blue:#4150ed;--blue-dark:#2633cf;--coral:#ff6657;--lime:#68e83f;--yellow:#ffd84d;--line:#111;--muted:#4d4d4d}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans JP","Arial Black","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}.narrow{width:min(800px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:3px solid var(--line)}.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-family:Impact,"Arial Black",sans-serif;font-size:1.55rem;letter-spacing:-.02em}.brand span{display:inline-block;padding:1px 8px;background:var(--ink);color:var(--white);transform:rotate(-2deg)}.header-inner nav{display:flex;gap:10px}.header-inner nav a{display:inline-flex;align-items:center;min-height:38px;padding:5px 16px;border:2px solid var(--line);border-radius:999px;background:var(--white);font-size:.86rem;font-weight:900;transition:.15s}.header-inner nav a:hover{background:var(--lime);transform:rotate(-1deg)}
.site-marquee{overflow:hidden;border-bottom:3px solid var(--line);background:var(--ink);color:var(--white);font-family:Impact,"Arial Black",sans-serif;white-space:nowrap}.site-marquee div{width:max-content;padding:6px 0;font-size:1.02rem;letter-spacing:.05em;animation:marquee 26s linear infinite}.site-marquee b{padding:0 14px;color:var(--lime)}@keyframes marquee{to{transform:translateX(-50%)}}
.hero{padding:0;border-bottom:3px solid var(--line)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(360px,.82fr);min-height:610px}.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:64px 64px 64px 0;background:var(--blue);color:var(--white);position:relative}.hero-copy:before{content:"";position:absolute;top:0;bottom:0;right:100%;width:50vw;background:var(--blue)}.hero-copy h1{font-family:Impact,"Arial Black","Noto Sans JP",sans-serif;font-size:clamp(3.9rem,7.8vw,7.3rem);line-height:.93;letter-spacing:-.055em;margin:.22em 0 .28em}.hero-copy h1 span{color:var(--yellow);-webkit-text-stroke:2px var(--ink);text-shadow:4px 4px 0 var(--ink)}.hero-copy>p:not(.eyebrow){max-width:670px;margin:0;font-size:1.06rem;font-weight:700}.eyebrow{display:inline-flex;width:max-content;align-items:center;padding:5px 13px;border:2px solid var(--ink);border-radius:999px;background:var(--white);color:var(--ink);font-size:.72rem;letter-spacing:.12em;font-weight:950;box-shadow:3px 3px 0 var(--ink)}.eyebrow.lime{background:var(--lime);transform:rotate(-1deg)}.eyebrow.coral{background:var(--coral);transform:rotate(1deg)}.eyebrow.yellow{background:var(--yellow);transform:rotate(-1deg)}
.hero-art{position:relative;display:grid;place-items:center;overflow:hidden;border-left:3px solid var(--line);background:var(--yellow);min-height:610px}.hero-art:before,.hero-art:after{content:"";position:absolute;border:3px solid var(--ink);border-radius:50%}.hero-art:before{width:480px;height:480px}.hero-art:after{width:360px;height:360px;border-style:dashed}.hero-art>p{position:absolute;bottom:32px;left:30px;margin:0;font-family:Impact,"Arial Black",sans-serif;font-size:1.55rem;line-height:.95;transform:rotate(-3deg)}.hero-art>p strong{font-size:2.3rem}.tool-character{position:relative;z-index:2;width:225px;height:270px;border:4px solid var(--ink);border-radius:34px 34px 70px 70px;background:var(--white);box-shadow:12px 12px 0 var(--coral);transform:rotate(4deg)}.tool-character:before{content:"</>";position:absolute;top:30px;left:0;right:0;text-align:center;font-family:Impact,monospace;font-size:3.1rem}.eye{position:absolute;top:120px;width:32px;height:40px;border:4px solid var(--ink);border-radius:50%;background:var(--lime)}.eye:after{content:"";position:absolute;width:9px;height:13px;left:9px;top:9px;border-radius:50%;background:var(--ink)}.eye.left{left:55px}.eye.right{right:55px}.smile{position:absolute;left:88px;top:177px;width:50px;height:25px;border:4px solid var(--ink);border-top:0;border-radius:0 0 40px 40px}.spark{position:absolute;right:-38px;top:20px;font-size:3.8rem;font-style:normal;color:var(--blue);-webkit-text-stroke:3px var(--ink)}.art-label{position:absolute;z-index:3;padding:6px 16px;border:3px solid var(--ink);border-radius:999px;font-family:Impact,"Arial Black",sans-serif;letter-spacing:.06em;box-shadow:4px 4px 0 var(--ink)}.label-data{top:70px;left:28px;background:var(--lime);transform:rotate(-8deg)}.label-web{top:125px;right:28px;background:var(--coral);transform:rotate(7deg)}.label-auto{bottom:105px;right:25px;background:var(--blue);color:#fff;transform:rotate(-4deg)}
.section{padding:92px 0;border-bottom:3px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:42px}.section-heading h2,.feature-title h2,.section>h1,.section .container>h1{font-family:Impact,"Arial Black","Noto Sans JP",sans-serif;font-size:clamp(2.8rem,5vw,5rem);line-height:.95;letter-spacing:-.045em;margin:.25em 0 0}.lead{font-size:1.08rem;color:var(--muted);font-weight:700}.round-link{display:grid;place-items:center;width:94px;height:94px;border:3px solid var(--ink);border-radius:50%;background:var(--lime);font-family:Impact,"Arial Black",sans-serif;font-size:1rem;line-height:1.05;text-align:center;box-shadow:6px 6px 0 var(--ink);transition:.15s}.round-link:hover{transform:rotate(7deg) scale(1.04)}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.actions.center{justify-content:center}.button{display:inline-flex;justify-content:center;align-items:center;gap:18px;min-height:53px;padding:10px 24px;border:3px solid var(--ink);border-radius:0;background:var(--white);color:var(--ink);font:900 .9rem/1 "Noto Sans JP",sans-serif;cursor:pointer;box-shadow:5px 5px 0 var(--ink);transition:.15s}.button:hover{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--ink)}.button.primary{background:var(--coral)}.button.secondary{background:var(--white)}.button.full{width:100%}
.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.tool-card,.content-card,.confirm-box,.empty-state{background:var(--white);border:3px solid var(--line);border-radius:0;overflow:hidden}.tool-card{display:flex;flex-direction:column;box-shadow:8px 8px 0 var(--ink);transition:.18s}.tool-card:hover{transform:translateY(-6px) rotate(-.5deg);box-shadow:12px 14px 0 var(--ink)}.tool-card:nth-child(3n+2) .tool-placeholder{background:var(--coral)}.tool-card:nth-child(3n+3) .tool-placeholder{background:var(--lime)}.tool-card img,.tool-placeholder{aspect-ratio:16/9;object-fit:cover;border-bottom:3px solid var(--ink)}.tool-placeholder{position:relative;display:grid;place-items:center;background:var(--blue);color:var(--white);font-family:Impact,"Arial Black",sans-serif;font-size:1.65rem;letter-spacing:.06em;text-shadow:2px 2px 0 var(--ink)}.tool-placeholder:before{content:"✦";position:absolute;top:10px;right:16px;color:var(--yellow);font-size:2rem;-webkit-text-stroke:2px var(--ink)}.tool-card-body{padding:24px;display:flex;flex-direction:column;gap:11px;flex:1}.tool-card h2,.tool-card h3{font-family:"Arial Black","Noto Sans JP",sans-serif;line-height:1.25;margin:0}.tool-card p{color:var(--muted);margin:0;font-weight:650}.price{font-family:Impact,"Arial Black",sans-serif;font-size:1.65rem;margin-top:auto;letter-spacing:.02em}.price.large{display:block;font-size:2.5rem;margin:24px 0}.price small{font-family:"Noto Sans JP",sans-serif;font-size:.68rem;color:var(--muted)}.text-link{display:inline-flex;width:max-content;margin-top:4px;padding:5px 11px;border:2px solid var(--ink);background:var(--yellow);font-size:.82rem;font-weight:900}.meta{font-size:.82rem}.empty-state{padding:34px;box-shadow:8px 8px 0 var(--ink)}
.muted{background:#dddeda}.feature-section{padding-top:74px}.feature-title{margin-bottom:40px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:3px solid var(--ink);box-shadow:9px 9px 0 var(--ink)}.feature-grid>div{padding:30px;border-right:3px solid var(--ink);background:var(--white)}.feature-grid>div:nth-child(2){background:var(--lime)}.feature-grid>div:nth-child(3){background:var(--coral);border-right:0}.feature-grid span{display:grid;place-items:center;width:46px;height:46px;border:3px solid var(--ink);border-radius:50%;background:var(--yellow);font-family:Impact,"Arial Black",sans-serif;font-size:1.25rem}.feature-grid h3{font-family:"Arial Black","Noto Sans JP",sans-serif;font-size:1.35rem}.feature-grid p{font-weight:650}
.detail-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.detail-image{border:3px solid var(--ink);box-shadow:9px 9px 0 var(--ink)}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.content-card{padding:28px;box-shadow:6px 6px 0 var(--ink)}.content-card:nth-child(4n+2){background:#e7f9df}.content-card h2{font-family:"Arial Black","Noto Sans JP",sans-serif;margin-top:0}.content-card.warning{background:#fff0cb}.prewrap{white-space:pre-wrap}.confirm-box{padding:32px;box-shadow:8px 8px 0 var(--ink)}.confirm-box dl{display:grid;grid-template-columns:150px 1fr;border-top:3px solid var(--line)}.confirm-box dt,.confirm-box dd{margin:0;padding:14px 0;border-bottom:2px solid var(--line)}.confirm-box dt{font-weight:900}.checkbox{display:flex;gap:10px;align-items:flex-start;margin:22px 0}.policy-links{display:flex;gap:10px;flex-wrap:wrap}.policy-links a{padding:4px 10px;border:2px solid var(--ink);background:var(--yellow);font-size:.78rem;font-weight:900}.notice{padding:14px 18px;background:var(--lime);border:3px solid var(--ink);box-shadow:4px 4px 0 var(--ink);margin:20px 0;font-weight:800}.notice.error{background:#ffb5ac}.form-stack{display:grid;gap:18px}.form-stack label{font-weight:900}.form-stack input,.form-stack select,.form-stack textarea{display:block;width:100%;margin-top:6px;padding:12px;border:3px solid var(--ink);border-radius:0;background:var(--paper);font:inherit}.form-stack input:focus,.form-stack select:focus,.form-stack textarea:focus{outline:4px solid var(--yellow);outline-offset:0}.form-stack textarea{min-height:180px}.center{text-align:center}.success-mark{width:78px;height:78px;margin:0 auto 20px;border:3px solid var(--ink);border-radius:50%;display:grid;place-items:center;background:var(--lime);font-size:2rem;font-weight:950;box-shadow:6px 6px 0 var(--ink)}.legal-page .content-card{margin-top:28px}
.site-footer{padding:58px 0 22px;background:var(--blue);color:var(--white);border-top:0}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}.footer-logo{display:block;font-family:Impact,"Arial Black",sans-serif;font-size:3.6rem;line-height:.84;letter-spacing:-.025em;color:var(--yellow);-webkit-text-stroke:2px var(--ink);text-shadow:4px 4px 0 var(--ink)}.footer-grid nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}.footer-grid nav a{padding:8px 11px;border:2px solid var(--ink);background:var(--white);color:var(--ink);font-size:.82rem;font-weight:900}.footer-grid nav a:hover{background:var(--lime)}.copyright{text-align:center;margin:38px 0 0;padding-top:18px;border-top:2px solid rgba(0,0,0,.55);font-size:.76rem;font-weight:800}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-copy{padding:64px 28px}.hero-copy:before{display:none}.hero-art{min-height:470px;border-left:0;border-top:3px solid var(--ink)}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-grid{grid-template-columns:1fr}.feature-grid>div{border-right:0;border-bottom:3px solid var(--ink)}.feature-grid>div:last-child{border-bottom:0}.detail-grid,.detail-hero,.footer-grid{grid-template-columns:1fr}}
@media(max-width:620px){.container,.narrow{width:min(100% - 24px,1180px)}.header-inner{min-height:64px}.brand{font-size:1.05rem}.header-inner nav{gap:5px}.header-inner nav a{padding:4px 9px;font-size:.7rem}.site-marquee div{font-size:.83rem}.hero-copy h1{font-size:clamp(3.25rem,17vw,5rem)}.hero-copy>p:not(.eyebrow){font-size:.94rem}.hero-art{min-height:390px}.hero-art:before{width:360px;height:360px}.hero-art:after{width:270px;height:270px}.tool-character{width:175px;height:215px}.tool-character:before{font-size:2.35rem}.eye{top:96px}.eye.left{left:38px}.eye.right{right:38px}.smile{left:65px;top:148px}.label-data{top:36px}.label-web{top:80px}.label-auto{bottom:78px}.section{padding:66px 0}.section-heading{align-items:center;gap:18px}.section-heading h2,.feature-title h2,.section>h1,.section .container>h1{font-size:2.8rem}.round-link{width:78px;height:78px;font-size:.82rem}.tool-grid{grid-template-columns:1fr}.detail-grid{grid-template-columns:1fr}.confirm-box{padding:21px}.confirm-box dl{grid-template-columns:1fr}.confirm-box dt{padding-bottom:0;border-bottom:0}.confirm-box dd{padding-top:3px}.footer-grid nav{grid-template-columns:1fr}.footer-logo{font-size:3rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.site-marquee div{animation:none}.tool-card,.button,.round-link{transition:none}}