:root{--bg:#fff8f5;--card:#ffffff;--ink:#4a3b3f;--sub:#7d6a6f;--pink:#e8879c;--pink-d:#c9637a;--pink-l:#fde8ec;--line:#f3d9df;--mint:#eef7f1}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Hiragino Sans",sans-serif;font-size:18px;line-height:1.9;font-weight:500}
header{position:sticky;top:0;z-index:10;background:rgba(255,248,245,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.brand{text-align:center;font-size:14px;color:var(--pink-d);font-weight:700;padding:10px 16px 2px;letter-spacing:.05em}
nav{display:flex;gap:8px;overflow-x:auto;padding:8px 16px 12px;scrollbar-width:none}
nav::-webkit-scrollbar{display:none}
nav a{flex:0 0 auto;display:flex;align-items:center;gap:4px;padding:8px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:15px;white-space:nowrap}
nav a[aria-current]{background:var(--pink);border-color:var(--pink);color:#fff;font-weight:700}
main{max-width:640px;margin:0 auto;padding:20px 16px 40px}
.hero{text-align:center;padding:28px 8px 20px}
.eyebrow{color:var(--pink-d);font-weight:700;margin:0 0 8px}
.hero h1{font-size:27px;line-height:1.6;margin:0 0 18px;font-weight:700}
.pt{font-size:25px;margin:8px 0 18px;font-weight:700}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px 20px;margin:0 0 18px;box-shadow:0 2px 10px rgba(201,99,122,.06)}
.card.soft{background:var(--pink-l);border-color:transparent}
h2{font-size:21px;margin:0 0 12px;color:var(--pink-d);font-weight:700}
h3{font-size:18px;margin:14px 0 4px}
p{margin:0 0 10px}
.promise{display:flex;gap:14px;align-items:flex-start;margin:0 0 14px}
.promise p{margin:4px 0 0;color:var(--sub)}
.num{flex:0 0 36px;height:36px;border-radius:50%;background:var(--pink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
ul.check,ul.dots{padding:0;margin:0;list-style:none}
ul.check li,ul.dots li{position:relative;padding-left:28px;margin:0 0 8px}
ul.check li::before{content:"✓";position:absolute;left:4px;color:var(--pink-d);font-weight:700}
ul.dots li::before{content:"";position:absolute;left:8px;top:.8em;width:8px;height:8px;border-radius:50%;background:var(--pink)}
ol.steps{list-style:none;padding:0;margin:0}
ol.steps li{border-left:4px solid var(--pink);padding:2px 0 2px 14px;margin:0 0 16px}
ol.steps p{margin:4px 0 0;color:var(--sub)}
.days{background:var(--mint);border-radius:12px;padding:10px 14px}
.big{font-size:24px;font-weight:700;line-height:1.5}
.note{color:var(--sub);font-size:16px}
.todo{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);cursor:pointer}
.todo:last-child{border-bottom:0}
.todo input{width:24px;height:24px;margin-top:5px;accent-color:var(--pink-d);flex:0 0 auto}
.todo span{color:var(--sub)}.todo strong{color:var(--ink)}
.q{display:inline-block;background:#fff3c4;color:#8a6d00;border-radius:6px;padding:0 6px;font-weight:700}
details{border-bottom:1px dashed var(--line);padding:12px 0}
details:last-child{border-bottom:0}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"＋";color:var(--pink-d);flex:0 0 auto}
details[open] summary::after{content:"－"}
details p{margin:8px 0 0;color:var(--sub)}
.wb{display:block;text-align:center;background:var(--mint);color:#2f6b4a;border:2px solid #b9dcc6;text-decoration:none;font-weight:700;border-radius:999px;padding:14px 20px;margin:14px 0 8px}
.next{display:block;text-align:center;background:var(--pink);color:#fff;text-decoration:none;font-weight:700;border-radius:999px;padding:14px 20px;margin:8px 0 0}
footer{text-align:center;color:var(--sub);font-size:13px;padding:20px 16px 32px}