:root{--mint:#09b7b2;--mint-dark:#008e91;--coral:#ff7463;--ink:#193b43;--cream:#fffaf3;--yellow:#ffd963;--white:#fff;--radius:28px;--shadow:0 22px 60px rgba(25,59,67,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--cream);font-family:"Noto Sans JP",sans-serif;line-height:1.8;word-break:auto-phrase}a{color:inherit;text-decoration:none}.section-pad{padding:110px max(6vw,24px)}.keep-line{display:block;white-space:nowrap}.section-heading h2,.section-title h2,.use-card h2,.final-cta h2{text-wrap:balance}
.site-header{height:82px;padding:0 5vw;display:flex;align-items:center;gap:36px;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(9,183,178,.1)}.brand{margin-right:auto}.brand img{width:145px;display:block}.site-header nav{display:flex;gap:28px;font-size:14px;font-weight:700}.site-header nav a:hover{color:var(--mint)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;border-radius:999px;padding:17px 28px;background:var(--coral);color:white;font-weight:800;box-shadow:0 12px 25px rgba(255,116,99,.3);transition:.2s}.button:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(255,116,99,.4)}.button span{font-size:20px}.button-small{padding:11px 20px;font-size:13px;box-shadow:none}.scope-notice{display:inline-block!important;margin:4px 0 0!important;padding:11px 16px;border-left:4px solid var(--mint);border-radius:4px 12px 12px 4px;background:#eafaf8;color:#42676d!important;font-size:13px!important;line-height:1.65}.scope-notice strong{color:var(--mint-dark)}
.hero{min-height:calc(100vh - 82px);display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:6vw;overflow:hidden;background:radial-gradient(circle at 80% 20%,#d7fbf7 0,transparent 34%),linear-gradient(135deg,#fffaf3,#fff)}.eyebrow,.section-heading>span,.section-title>span,.use-card>span{font-family:"M PLUS Rounded 1c",sans-serif;letter-spacing:.16em;color:var(--mint-dark);font-weight:800;font-size:13px}.hero h1,.section-heading h2,.section-title h2,.use-card h2,.final-cta h2{font-family:"M PLUS Rounded 1c",sans-serif;line-height:1.28;letter-spacing:.02em}.hero h1{font-size:clamp(48px,6.4vw,92px);margin:16px 0 25px}.hero h1 span{color:var(--coral)}.lead{max-width:600px;font-size:clamp(17px,1.4vw,21px);font-weight:500}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:38px}.note{font-size:13px;font-weight:700;color:var(--mint-dark)}
.stamp-stage{height:600px;position:relative;padding:76px 28px 28px;background:linear-gradient(145deg,#dff9f6,#bfeee9);border:1px solid rgba(9,183,178,.18);border-radius:34px;box-shadow:var(--shadow);isolation:isolate}.hero-caption{position:absolute;z-index:3;left:50%;top:25px;transform:translateX(-50%);white-space:nowrap;padding:7px 15px;border-radius:999px;background:#fff;color:var(--mint-dark);font-size:12px;font-weight:900;letter-spacing:.08em;box-shadow:0 8px 18px rgba(25,59,67,.12)}.hero-transform-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:13px;height:100%}.transform-card{min-width:0;display:grid;grid-template-columns:35% 12% 53%;align-items:center;padding:10px 7px;background:#101415;border:1px solid rgba(255,255,255,.16);border-radius:20px;box-shadow:0 10px 22px rgba(22,72,76,.18)}.transform-card>span{text-align:center;color:#77e6dc;font-size:21px;font-weight:900}.transform-card img{display:block;max-width:100%;max-height:210px;margin:auto;object-fit:contain}.source-photo{border-radius:15px;filter:drop-shadow(0 6px 8px rgba(0,0,0,.28))}.result-stamp{filter:drop-shadow(0 7px 7px rgba(0,0,0,.3))}
.intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:10vw;background:#fff}.section-title h2,.section-heading h2{font-size:clamp(32px,4vw,54px);margin:12px 0}.intro-copy{font-size:17px}.intro-copy blockquote{margin:36px 0;padding:28px 34px;border-left:6px solid var(--coral);background:var(--cream);font-family:"M PLUS Rounded 1c";font-size:clamp(22px,2.4vw,34px);font-weight:800;color:var(--coral);line-height:1.5}.quote-second>span{white-space:nowrap}
.center{text-align:center}.section-heading p{margin:18px auto 0;max-width:650px}.section-heading p .keep-line{display:inline-block}.collab-label{display:inline-flex!important;align-items:center;justify-content:center;width:auto;margin:22px auto 0!important;padding:7px 18px;border-radius:999px;background:#fff;color:var(--coral);font-family:"M PLUS Rounded 1c",sans-serif;font-size:14px;font-weight:900;box-shadow:0 8px 22px rgba(25,59,67,.08)}.examples{background:#eefaf8}.example-grid{max-width:1100px;margin:52px auto 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.mini-stamp{aspect-ratio:370/320;border-radius:28px;background:#101415;display:flex;align-items:center;justify-content:center;padding:8px;box-shadow:0 12px 35px rgba(25,59,67,.16);transform:rotate(-2deg)}.mini-stamp:nth-child(even){transform:rotate(2deg)}.mini-stamp img{display:block;width:100%;height:100%;object-fit:contain}.mood-list{text-align:center;font-size:17px}.mood-list strong{color:var(--coral);font-size:20px}
.price{background:var(--ink);color:white}.light>span{color:#77e6dc}.price-grid{max-width:1180px;margin:55px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}.plan{position:relative;background:white;color:var(--ink);padding:38px 30px 32px;border-radius:var(--radius);display:flex;flex-direction:column}.plan>p:first-child{color:var(--mint-dark);font-size:12px;font-weight:900;letter-spacing:.15em}.plan h3{font-family:"M PLUS Rounded 1c";font-size:25px;margin:0}.plan>strong{display:block;color:var(--coral);font-size:40px;margin:16px 0}.plan>strong small{font-size:13px}.plan>a{margin-top:auto;padding-top:15px;border-top:1px solid #dbe5e7;color:var(--mint-dark);font-weight:900}.featured{outline:5px solid var(--coral);transform:translateY(-12px)}.popular{position:absolute;top:-18px;right:22px;background:var(--coral);color:white;padding:6px 16px;border-radius:99px;font-weight:900;font-size:13px}.refill{grid-column:1/-1;max-width:640px;width:100%;margin:14px auto 0}.price-notes{text-align:center;color:#b6c7ca;font-size:12px;margin-top:35px}
.flow{display:grid;grid-template-columns:.8fr 1.2fr;gap:8vw;background:white}.steps{list-style:none;padding:0;margin:0}.steps li{display:grid;grid-template-columns:70px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid #dbeceb}.steps li>span{width:58px;height:58px;display:grid;place-items:center;background:var(--mint);color:white;border-radius:18px;font-weight:900}.steps h3{font-family:"M PLUS Rounded 1c";font-size:21px;margin:0}.steps p{margin:4px 0 0;color:#537078}
.uses{display:grid;grid-template-columns:1fr 1fr;gap:24px}.use-card{min-height:480px;border-radius:40px;padding:55px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;position:relative;overflow:hidden}.use-card:before{content:"";position:absolute;width:230px;height:230px;border:38px solid rgba(255,255,255,.24);border-radius:50%;right:-50px;top:-45px}.gift{background:#ffdf72}.pet{background:#8de1d7}.use-card h2{font-size:40px;margin:12px 0}.use-card p{max-width:480px}.use-card a{font-weight:900;border-bottom:2px solid currentColor}
.faq{background:#fff}.accordion{max-width:850px;margin:50px auto 0}.accordion details{border-top:1px solid #cfe4e3;padding:23px 0}.accordion details:last-child{border-bottom:1px solid #cfe4e3}.accordion summary{cursor:pointer;font-weight:800;font-size:17px;list-style:none;padding-right:40px;position:relative}.accordion summary:after{content:"＋";position:absolute;right:4px;color:var(--mint);font-size:25px;top:-6px}.accordion details[open] summary:after{content:"−"}.accordion details p{padding:6px 30px 0;color:#537078}
.final-cta{text-align:center;background:linear-gradient(135deg,var(--coral),#ff987a);color:white}.final-cta h2{font-size:clamp(45px,7vw,88px);margin:18px}.button-white{background:white;color:var(--coral);box-shadow:none;margin-top:20px}footer{padding:55px 6vw;text-align:center;background:white}footer img{width:180px}footer p{font-weight:700;margin:12px 0 5px}.workingfun-link{display:inline-flex;align-items:center;gap:5px;margin-top:4px;padding:7px 13px;border:1px solid #c8ddda;border-radius:999px;color:#315f66;font-size:12px;font-weight:700;transition:.2s}.workingfun-link:hover{border-color:var(--mint);color:var(--mint-dark);background:#f2fbfa}.workingfun-link:focus-visible{outline:3px solid rgba(0,180,174,.28);outline-offset:3px}.legal-links{display:flex;justify-content:center;gap:10px 22px;flex-wrap:wrap;margin:20px 0;font-size:12px;color:#537078}.legal-links a:hover{color:var(--mint-dark);text-decoration:underline}footer small{color:#789095}
@media(max-width:850px){.site-header{height:70px;padding:0 20px}.site-header nav{display:none}.brand img{width:120px}.button-small{padding:9px 14px}.section-pad{padding:78px 22px}.hero{grid-template-columns:1fr;padding-top:70px}.hero h1{font-size:53px}.stamp-stage{height:560px;margin-top:20px;padding:68px 22px 24px}.intro,.flow{grid-template-columns:1fr;gap:36px}.example-grid{grid-template-columns:repeat(2,1fr)}.price-grid{grid-template-columns:1fr;gap:26px}.featured{transform:none}.refill{grid-column:auto}.uses{grid-template-columns:1fr}.use-card{min-height:400px;padding:38px}.use-card h2{font-size:34px}}
@media(max-width:480px){.site-header .button-small{font-size:0;gap:0}.site-header .button-small:after{content:"つくる";font-size:12px}.hero-actions{align-items:flex-start;flex-direction:column}.stamp-stage{height:720px;padding:62px 14px 20px;border-radius:24px}.hero-caption{top:18px;font-size:10px}.hero-transform-grid{grid-template-columns:1fr;gap:9px}.transform-card{grid-template-columns:31% 10% 59%;padding:5px 6px;border-radius:16px}.transform-card img{max-height:145px}.transform-card>span{font-size:17px}.example-grid{gap:12px;margin-top:38px}.mini-stamp{border-radius:20px;padding:4px}.section-heading h2,.section-title h2{font-size:clamp(29px,8.7vw,34px)}.intro-copy{font-size:16px}.intro-copy blockquote{padding:24px 22px;font-size:clamp(21px,6.2vw,25px)}.quote-second>span{display:block}.section-heading p .keep-line{display:block}.mood-list{font-size:15px}.mood-list strong{display:block;font-size:17px}.price-notes br{display:none}}
/* 2026-10: existing layout enhancement — subjects and personal phrases */
.hero-support-copy{max-width:610px;margin:18px 0 0;padding:14px 18px;border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(25,59,67,.08);font-weight:700;line-height:1.75}.hero-support-copy strong{color:var(--coral);font-family:"M PLUS Rounded 1c",sans-serif;font-size:1.08em}.stamme-subjects{margin-top:38px}.stamme-subjects-title{font-family:"M PLUS Rounded 1c",sans-serif;font-size:clamp(22px,2vw,30px);font-weight:900;line-height:1.45;color:var(--mint-dark)}.stamme-subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stamme-subject-grid article{padding:18px 14px;border:1px solid #d5ece9;border-radius:22px;background:#f7fcfb;text-align:center}.stamme-subject-grid article>span{width:42px;height:42px;margin:0 auto 8px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:#fff;font-size:23px;font-weight:900}.stamme-subject-grid article:nth-child(2)>span{background:var(--coral)}.stamme-subject-grid article:nth-child(3)>span{background:#e5ad18}.stamme-subject-grid h3{margin:0;font-family:"M PLUS Rounded 1c",sans-serif;font-size:18px}.stamme-subject-grid p{margin:6px 0 0;font-size:12px;line-height:1.6;color:#537078}.rights-note{margin:10px 0 0;font-size:11px;color:#6a8187}.stamme-words{max-width:1100px;margin:46px auto 0;padding:30px 34px;display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center;border-radius:30px;background:#fff;box-shadow:0 14px 40px rgba(25,59,67,.08)}.stamme-words>div>span{font-family:"M PLUS Rounded 1c",sans-serif;letter-spacing:.16em;color:var(--mint-dark);font-size:12px;font-weight:900}.stamme-words h3{margin:5px 0 10px;font-family:"M PLUS Rounded 1c",sans-serif;font-size:clamp(24px,2.6vw,36px);line-height:1.4}.stamme-words p{margin:0;color:#537078}.stamme-words ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.stamme-words li{padding:9px 15px;border:3px solid #fff;border-radius:999px;background:var(--yellow);box-shadow:0 3px 0 #e0a900;font-family:"M PLUS Rounded 1c",sans-serif;font-size:14px;font-weight:900;transform:rotate(-2deg)}.stamme-words li:nth-child(2n){background:#9ee8df;box-shadow:0 3px 0 #57beb5;transform:rotate(2deg)}.stamme-words li:nth-child(3n){background:#ffaca1;box-shadow:0 3px 0 #e97869}
@media(max-width:850px){.stamme-subject-grid{grid-template-columns:1fr}.stamme-subject-grid article{display:grid;grid-template-columns:46px 1fr;column-gap:10px;text-align:left}.stamme-subject-grid article>span{grid-row:1/3;margin:0}.stamme-subject-grid p{margin-top:2px}.stamme-words{grid-template-columns:1fr}}
@media(max-width:480px){.hero-support-copy{font-size:13px}.stamme-words{padding:24px 18px}.stamme-words ul{justify-content:flex-start}.stamme-words li{font-size:12px;padding:7px 11px}}