:root{
  --sun:#F6D54A; --sun-soft:#FFF5CC; --sea:#0C7F89; --sea-deep:#075A62; --sea-soft:#E0F3F4;
  --ink:#1C2426; --sub:#5A6468; --paper:#FFFDF7; --card:#FFFFFF; --line:#EAE3CC;
  --line-green:#06C755; --line-green-dark:#05A948;
  --disp:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Hiragino Sans",sans-serif;
  --body:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;
  --r:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.85}
@media (max-width:820px){body{padding-bottom:84px}}
img{max-width:100%;height:auto}
a{color:var(--sea)}
a:focus-visible,summary:focus-visible{outline:3px solid var(--sea);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:var(--disp);line-height:1.4;text-wrap:balance;word-break:auto-phrase;margin:0}
p{margin:0}
.wrap{max-width:1080px;margin-inline:auto;padding-inline:20px}
.num{font-variant-numeric:tabular-nums}
.sp{display:none}
@media (max-width:560px){.sp{display:inline}}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(255,253,247,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}
.logo{display:flex;align-items:center;gap:6px;font-family:var(--disp);font-weight:900;font-size:21px;color:var(--ink);text-decoration:none;letter-spacing:.04em}
.logo-mark{width:22px;height:22px;color:var(--sea)}
.head-nav{display:flex;gap:20px;font-size:14px}
.head-nav a{color:var(--ink);text-decoration:none}
.head-nav a:hover{color:var(--sea)}
@media (max-width:820px){.head-nav{display:none}}

/* buttons */
.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--line-green);color:#fff;font-weight:700;font-size:17px;text-decoration:none;padding:15px 28px;border-radius:999px;box-shadow:0 4px 0 var(--line-green-dark);transition:transform .12s, box-shadow .12s}
.btn-line:hover{transform:translateY(2px);box-shadow:0 2px 0 var(--line-green-dark)}
.btn-line .ico{width:24px;height:24px;flex:none}
.line-bar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:center;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));background:rgba(255,253,247,.96);border-top:1px solid var(--line)}
.line-bar .btn-line{width:100%;max-width:420px}
@media (min-width:821px){.line-bar{display:none}}

/* shared */
section{padding-block:72px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--sea);margin-bottom:10px}
.sec-title{font-size:clamp(24px,3.6vw,32px);margin-bottom:32px}
.small{font-size:14px;color:var(--sub);margin-top:14px}

/* hero */
.hero{background:var(--sun);padding-block:56px 64px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:#F9E27E;z-index:0}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:center}
.hero .eyebrow{color:var(--sea-deep)}
.hero h1{font-size:clamp(32px,5.4vw,54px);font-weight:900;letter-spacing:.01em}
.lead{margin-top:20px;font-size:17px;max-width:34em}
.hero-cta{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}
.hero-note{font-size:14px;color:var(--sea-deep);font-weight:500}

/* fee card = key tag */
.fee-card{position:relative;background:var(--card);border-radius:28px 28px 28px 28px;padding:40px 28px 26px;box-shadow:0 18px 40px -18px rgba(60,50,0,.35);text-align:center;border:2px solid var(--ink)}
.fee-card::before{content:"";position:absolute;top:14px;left:50%;width:18px;height:18px;margin-left:-9px;border-radius:50%;background:var(--sun);border:2px solid var(--ink)}
.fee-label{font-weight:700;font-size:15px;color:var(--sub)}
.fee-big{margin:10px 0 4px;font-family:var(--disp);font-weight:900;display:flex;align-items:baseline;justify-content:center;flex-wrap:wrap;gap:0 4px;color:var(--ink)}
.fee-big .n{font-size:clamp(56px,8vw,76px);line-height:1;color:var(--sea)}
.fee-big .u{font-size:22px}
.fee-big .or{font-size:18px;color:var(--sub);margin-inline:8px}
.fee-sub{font-size:13px;color:var(--sub)}
.fee-compare{margin-top:18px;padding-top:14px;border-top:2px dashed var(--line);display:flex;justify-content:space-between;gap:10px;font-size:14px;color:var(--sub);flex-wrap:wrap}
.strike{text-decoration:line-through;text-decoration-thickness:2px}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}.fee-card{max-width:420px}}

/* pains */
.pains{background:var(--card);border-bottom:1px solid var(--line)}
.pain-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pain-list li{position:relative;padding:18px 20px 18px 52px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);font-size:16px}
.pain-list li::before{content:"";position:absolute;left:20px;top:22px;width:20px;height:20px;border-radius:5px;border:2px solid var(--sea);background:var(--card)}
.pain-list li::after{content:"";position:absolute;left:26px;top:25px;width:7px;height:12px;border:solid var(--sea);border-width:0 3px 3px 0;transform:rotate(45deg)}
.pains-answer{margin-top:28px;font-family:var(--disp);font-weight:700;font-size:clamp(20px,3vw,26px);text-align:center}
.pains-answer strong{background:linear-gradient(transparent 60%, var(--sun) 60%)}
@media (max-width:700px){.pain-list{grid-template-columns:1fr}}

/* solve */
.solve-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.solve-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:grid;gap:10px;align-content:start}
.solve-no{font-family:var(--disp);font-weight:900;font-size:15px;color:var(--sea);letter-spacing:.08em}
.solve-item h3{font-size:21px}
.solve-item p:last-child{font-size:15px;color:var(--sub)}
@media (max-width:700px){.solve-grid{grid-template-columns:1fr}}

/* when */
.when{background:var(--sun-soft)}
.when-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.when-list li{background:var(--card);border-radius:var(--r);padding:20px;display:grid;gap:6px;align-content:start;border-top:5px solid var(--sea)}
.when-list li:last-child{border-top-color:var(--sun)}
.when-t{font-size:13px;font-weight:700;color:var(--sea-deep)}
.when-list strong{font-family:var(--disp);font-size:18px}
.when-list span:last-child{font-size:14px;color:var(--sub)}
@media (max-width:820px){.when-list{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.when-list{grid-template-columns:1fr}}

/* ways */
.ways-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.way{background:var(--card);border:2px solid var(--ink);border-radius:var(--r);padding:26px;display:grid;gap:12px;align-content:start}
.way-tag{justify-self:start;font-size:13px;font-weight:700;background:var(--sun);border-radius:999px;padding:3px 12px}
.way h3{font-size:21px}
.way p{font-size:15px}
.way-fee{border-top:2px dashed var(--line);padding-top:12px;font-weight:700}
.way-fee strong{font-family:var(--disp);font-size:20px;color:var(--sea)}
.way-note{color:var(--sub);font-size:13px!important}
@media (max-width:760px){.ways-grid{grid-template-columns:1fr}}
.fee-compare.sub{margin-top:0;padding-top:6px;border-top:0;font-size:13px}

/* who */
.who-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.who-list li{display:grid;gap:8px;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r)}
.who-list strong{font-family:var(--disp);font-size:19px}
.who-list span{font-size:15px;color:var(--sub)}
@media (max-width:820px){.who-list{grid-template-columns:1fr}}

/* why */
.why{background:var(--sea-soft)}
.why-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.why h2{font-size:clamp(24px,3.6vw,32px);margin-bottom:20px}
.why-grid > div{display:grid;gap:14px}
.calc{margin:0;background:var(--card);border-radius:var(--r);padding:24px;border:1px solid #C8E6E8;display:grid;gap:14px}
.calc figcaption{font-weight:700}
.vs{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;text-align:center}
.vs-who{font-size:13px;color:var(--sub);font-weight:700}
.vs-col.us .vs-who{color:var(--sea-deep)}
.vs-fee{font-family:var(--disp);font-weight:900;font-size:clamp(26px,4vw,32px);line-height:1.2;font-variant-numeric:tabular-nums;white-space:nowrap}
.vs-fee span{font-size:15px;margin-left:1px}
.vs-fee.old{color:#8C9598;text-decoration:line-through;text-decoration-thickness:2px}
.vs-col.us .vs-fee{color:var(--sea)}
.vs-arrow{font-size:22px;color:var(--sub)}
.calc-save{background:var(--sun-soft);border-radius:10px;padding:10px 14px;font-weight:700;text-align:center}
.calc-save strong{font-family:var(--disp);font-size:22px;color:var(--sea-deep)}
.calc-note{font-size:12px;color:var(--sub)}
.calc-zero{font-size:15px;text-align:center}
.calc-zero strong{color:var(--sea);font-size:18px}
.safe-item .note{font-size:13px}
@media (max-width:820px){.why-grid{grid-template-columns:1fr;gap:28px}}

/* safe */
.safe-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.safe-item{padding:26px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);display:grid;gap:10px;align-content:start}
.safe-item h3{font-size:19px}
.safe-item p{font-size:15px;color:var(--sub)}
.safe-item.accent{background:var(--sun-soft);border-color:var(--sun)}
@media (max-width:700px){.safe-grid{grid-template-columns:1fr}}

/* price */
.price{background:var(--sea-soft)}
.price h2{font-size:clamp(26px,4vw,36px);margin-bottom:16px}
.price-copy{display:grid;gap:14px}
.price-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.price-card{border:2px solid var(--ink);border-radius:var(--r);padding:22px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:var(--paper)}
.pc-case{font-weight:700;line-height:1.5}
.pc-case small{font-weight:400;font-size:13px;color:var(--sub)}
.pc-fee{font-family:var(--disp);font-weight:900;font-size:36px;color:var(--sea);line-height:1;font-variant-numeric:tabular-nums;white-space:nowrap}
.pc-fee span{font-size:18px;margin-left:2px}
.price-rule{font-weight:700;margin:-16px 0 24px}
.price-group{display:grid;gap:12px;margin-bottom:28px}
.pg-head{font-family:var(--disp);font-weight:700;font-size:18px}
.pg-note{font-size:14px;color:var(--sub)}
.price-group.muted .price-card{border-color:#9AA4A7;background:var(--card)}
.price-group.muted .pc-fee{color:var(--ink)}
.price-card.wide{max-width:calc(50% - 8px)}
.pc-fee.small-fee{font-size:26px}
@media (max-width:700px){.price-card.wide{max-width:none}}
@media (max-width:700px){.price-cards{grid-template-columns:1fr}}

/* flow */
.flow-list{list-style:none;margin:0;padding:0;counter-reset:f;display:grid;gap:0}
.flow-list li{counter-increment:f;display:grid;grid-template-columns:52px 1fr;column-gap:18px;padding-bottom:26px;position:relative}
.flow-list li::before{content:counter(f);grid-row:span 2;width:52px;height:52px;border-radius:50%;background:var(--sun);border:2px solid var(--ink);display:grid;place-items:center;font-family:var(--disp);font-weight:900;font-size:22px}
.flow-list li:not(:last-child)::after{content:"";position:absolute;left:25px;top:54px;bottom:2px;width:2px;background:var(--ink);opacity:.2}
.flow-list strong{font-family:var(--disp);font-size:19px;padding-top:10px}
.flow-list span{color:var(--sub);font-size:15px}

/* area */
.area{background:var(--sun-soft)}
.area-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:32px;align-items:center}
.area h2{font-size:clamp(22px,3.2vw,28px)}
.area-dl{margin:0;display:grid;gap:14px}
.area-dl div{background:var(--card);border-radius:var(--r);padding:16px 20px;border:1px solid var(--line)}
.area-dl dt{font-weight:700;font-size:14px;color:var(--sea-deep)}
.area-dl dd{margin:0}
@media (max-width:820px){.area-grid{grid-template-columns:1fr}}

/* faq */
.faq-list{display:grid;gap:12px;max-width:820px}
.faq-list details{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:0 22px}
.faq-list summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;font-weight:700;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:0;top:12px;font-size:26px;color:var(--sea);font-weight:400}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{padding-bottom:20px;color:var(--sub);font-size:15px}

/* guides */
.article-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.article-list a{display:grid;gap:4px;padding:20px 22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.article-list a:hover{border-color:var(--sea)}
.al-title{font-family:var(--disp);font-weight:700;font-size:18px}
.al-desc{font-size:14px;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.more{margin-top:18px}

/* final */
.final{background:var(--ink);color:#fff}
.final-inner{display:grid;gap:18px;justify-items:start}
.final h2{font-size:clamp(26px,4vw,36px);color:var(--sun)}
.final p{color:#D9E0E2}

/* footer */
.site-foot{background:#141A1C;color:#C9D1D3;padding-block:48px 24px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1fr 2fr 1fr;gap:28px}
.foot-logo{font-family:var(--disp);font-weight:900;font-size:20px;color:#fff}
.foot-tag{color:#9AA6A9}
.foot-company{margin:0;display:grid;gap:8px}
.foot-company div{display:grid;grid-template-columns:7em 1fr;gap:8px}
.foot-company dt{color:#9AA6A9}
.foot-company dd{margin:0}
.foot-links{display:grid;gap:8px;align-content:start}
.foot-links a{color:#C9D1D3}
.copy{margin-top:32px;color:#7D888B;font-size:12px}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr}}

/* article */
.article{padding-block:32px 72px;max-width:760px}
.crumbs{font-size:13px;color:var(--sub);margin-bottom:18px}
.crumbs a{color:var(--sub)}
.article-head{border-bottom:3px solid var(--sun);padding-bottom:18px;margin-bottom:28px}
.article-head h1{font-size:clamp(26px,4.4vw,36px);font-weight:900}
.meta{margin-top:10px;font-size:13px;color:var(--sub)}
.prose{display:grid;gap:18px}
.prose h2{font-size:clamp(21px,3vw,26px);margin-top:28px;padding:10px 0 10px 16px;border-left:6px solid var(--sea)}
.prose h3{font-size:19px;margin-top:10px}
.prose ul,.prose ol{margin:0;padding-left:1.4em;display:grid;gap:6px}
.prose li input[type=checkbox]{margin-right:8px;transform:scale(1.2)}
.prose ul:has(input[type=checkbox]){list-style:none;padding-left:0;background:var(--sun-soft);border:1px solid var(--sun);border-radius:var(--r);padding:18px 20px}
.prose table{border-collapse:collapse;width:100%;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--sea-soft)}
.prose strong{background:linear-gradient(transparent 60%, var(--sun-soft) 60%)}
.article-cta{margin-top:48px;padding:28px;border-radius:var(--r);background:var(--sun);display:grid;gap:12px;justify-items:start}
.cta-kicker{font-weight:700;font-size:14px;color:var(--sea-deep)}
.cta-title{font-family:var(--disp);font-weight:900;font-size:clamp(20px,3vw,26px)}
.article-index{padding-block:40px 72px;display:grid;gap:18px}
.article-index h1{font-size:clamp(26px,4vw,34px)}

/* legal, 404 */
.legal{padding-block:40px 72px;max-width:820px;display:grid;gap:12px;font-size:15px}
.legal h1{font-size:28px;margin-top:24px;scroll-margin-top:80px}
.legal h2{font-size:20px;margin-top:22px}
.legal h3{font-size:16px;margin-top:10px}
.legal ol{margin:0;padding-left:1.6em;display:grid;gap:4px}
.legal .sign{margin-top:6px}
.notfound{padding-block:80px;display:grid;gap:16px;justify-items:start}
.nw{display:inline-block}