/* ガサガサ — 琵琶湖いきものエコツアー */
:root{
  --lake:#0e3a46;      /* 湖の深い色 */
  --lake-2:#145868;
  --water:#d9eef0;
  --reed:#4f8a32;      /* ヨシの緑 */
  --reed-2:#e6f0d6;
  --sun:#f6c51b;       /* 腕章の黄色 */
  --sun-2:#fff4c2;
  --coral:#d9483a;     /* 注意 */
  --paper:#f8f5ec;
  --white:#fffdf8;
  --ink:#1c2a2e;
  --muted:#5b6b6e;
  --line:rgba(14,58,70,.14);
  --r:20px;
  --shadow:0 10px 30px -12px rgba(14,58,70,.28);
  --round:"M PLUS Rounded 1c","Noto Sans JP",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans JP",sans-serif;line-height:1.85;font-size:16px;overflow-wrap:anywhere}
img,video{max-width:100%;display:block}
figure{margin:0}
a{color:var(--lake-2)}
h1,h2,h3,h4{font-family:var(--round);line-height:1.35;margin:0 0 .6em;letter-spacing:.01em}
p{margin:0 0 1em}
.wrap{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.narrow{width:min(820px,calc(100% - 40px));margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:0;background:var(--sun);padding:8px 14px;z-index:99}
.skip:focus{left:8px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(248,245,236,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--lake)}
.brand img{width:42px;height:42px;border-radius:50%;border:2px solid var(--sun)}
.brand b{font-family:var(--round);font-weight:800;font-size:1.25rem;line-height:1.1;display:block}
.brand small{display:block;font-size:.68rem;color:var(--muted);letter-spacing:.04em}
.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 12px;border-radius:99px;text-decoration:none;color:var(--ink);font-weight:700;font-size:.9rem}
.menu a:hover,.menu a[aria-current=page]{background:var(--water);color:var(--lake)}
.menu .cta{background:var(--lake);color:#fff;margin-left:6px}
.menu .cta:hover{background:var(--lake-2);color:#fff}
.menu-btn{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--lake)}
.menu-btn svg{width:28px;height:28px}
@media (max-width:920px){
  .menu-btn{display:block}
  .menu{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;background:var(--white);padding:12px 20px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;max-height:calc(100vh - 68px);overflow:auto}
  .menu.open{display:flex}
  .menu a{padding:13px 14px;font-size:1rem}
  .menu .cta{margin:8px 0 0;text-align:center}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 24px;border-radius:99px;font-weight:800;text-decoration:none;font-family:var(--round);font-size:1rem;transition:transform .15s,box-shadow .15s;border:0;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-sun{background:var(--sun);color:var(--lake);box-shadow:0 6px 0 #c99a00}
.btn-sun:hover{box-shadow:0 8px 0 #c99a00}
.btn-lake{background:var(--lake);color:#fff}
.btn-line{background:#06c755;color:#fff}
.btn-ghost{background:transparent;color:var(--lake);border:2px solid var(--lake)}
.btn-white{background:#fff;color:var(--lake)}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn svg{width:20px;height:20px;flex:none}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--lake)}
.hero video,.hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,58,70,.15) 0%,rgba(14,58,70,.25) 45%,rgba(10,40,48,.88) 100%)}
.hero-in{position:relative;z-index:2;padding:120px 0 64px}
.hero .badge{display:inline-block;background:var(--sun);color:var(--lake);font-weight:800;font-family:var(--round);padding:6px 14px;border-radius:99px;font-size:.88rem;margin-bottom:16px}
.hero h1{font-size:clamp(1.8rem,6.2vw,4.4rem);font-weight:800;line-height:1.2;margin-bottom:18px;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.hero h1 em{font-style:normal;color:var(--sun)}
.hero p.lead{font-size:clamp(1rem,2.2vw,1.18rem);max-width:640px;margin-bottom:28px;text-shadow:0 1px 10px rgba(0,0,0,.4)}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:.92rem}
.hero-stats b{font-family:var(--round);font-size:1.5rem;color:var(--sun);margin-right:4px}
.video-toggle{position:absolute;right:18px;bottom:18px;z-index:3;background:rgba(0,0,0,.4);color:#fff;border:1px solid rgba(255,255,255,.5);border-radius:99px;padding:6px 12px;font-size:.8rem;cursor:pointer}

/* page hero (下層) */
.page-hero{background:var(--lake);color:#fff;padding:56px 0 46px;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:28px;background:var(--paper);clip-path:path("M0 28 C 160 4 320 4 480 16 S 800 30 960 14 S 1280 2 1440 18 L 1440 28 Z");background-size:cover}
.page-hero .kicker{color:var(--sun);font-weight:800;font-family:var(--round);font-size:.9rem;letter-spacing:.08em}
.page-hero h1{font-size:clamp(1.8rem,4.6vw,3rem);margin:.2em 0 .4em}
.page-hero p{max-width:720px;opacity:.92;margin:0}
.crumbs{font-size:.8rem;margin-bottom:10px;opacity:.85}
.crumbs a{color:#fff}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section.tight{padding:56px 0}
.bg-white{background:var(--white)}
.bg-water{background:var(--water)}
.bg-reed{background:var(--reed-2)}
.bg-lake{background:var(--lake);color:#fff}
.bg-lake a{color:var(--sun)}
.sec-head{margin-bottom:36px}
.sec-head.center{text-align:center}
.sec-head.center p{margin-inline:auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--reed);font-weight:800;font-family:var(--round);font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px}
.bg-lake .eyebrow{color:var(--sun)}
.eyebrow:before{content:"";width:22px;height:3px;border-radius:3px;background:currentColor}
.sec-head h2{font-size:clamp(1.6rem,3.8vw,2.5rem);font-weight:800;color:var(--lake)}
.bg-lake .sec-head h2{color:#fff}
.sec-head p{color:var(--muted);max-width:680px;margin:0}
.bg-lake .sec-head p{color:#d7e6e8}
.marker{background:linear-gradient(transparent 62%,var(--sun-2) 62%)}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}.section{padding:60px 0}}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.card h3{color:var(--lake);font-size:1.2rem}
.card p:last-child{margin-bottom:0}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split.rev>:first-child{order:2}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}.split.rev>:first-child{order:0}}
.photo{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);background:var(--water)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo.ratio{aspect-ratio:16/10}
figcaption{font-size:.82rem;color:var(--muted);padding:8px 2px 0}

/* 8つの学び */
.learn{counter-reset:l;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:900px){.learn{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.learn{grid-template-columns:1fr}}
.learn li{list-style:none;background:var(--white);border-radius:18px;padding:20px 18px 18px;border:2px solid var(--line);position:relative}
.learn li:before{counter-increment:l;content:counter(l);position:absolute;top:-14px;left:16px;width:32px;height:32px;border-radius:50%;background:var(--sun);color:var(--lake);font-weight:800;font-family:var(--round);display:grid;place-items:center}
.learn h3{font-size:1.02rem;color:var(--lake);margin:.4em 0 .4em}
.learn p{font-size:.88rem;color:var(--muted);margin:0}
ol.learn{padding:0;margin:14px 0 0}

/* tour cards */
.tour{display:flex;flex-direction:column;background:var(--white);border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.tour .ph{aspect-ratio:16/10;overflow:hidden;position:relative}
.tour .ph img{width:100%;height:100%;object-fit:cover}
.tour .tag{position:absolute;left:14px;top:14px;background:var(--sun);color:var(--lake);font-weight:800;font-size:.8rem;padding:4px 12px;border-radius:99px;font-family:var(--round)}
.tour .tag.night{background:var(--lake);color:var(--sun)}
.tour .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.tour h3{font-size:1.35rem;color:var(--lake);margin:0}
.tour .meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.88rem;color:var(--muted)}
.tour .meta b{color:var(--ink)}
.tour ul{margin:4px 0 8px;padding-left:1.2em;font-size:.92rem}
.tour .price{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.tour .price b{font-family:var(--round);font-size:1.6rem;color:var(--lake)}
.tour .price small{color:var(--muted)}
.tour .more{font-weight:800;text-decoration:none}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline:before{content:"";position:absolute;left:66px;top:8px;bottom:8px;width:3px;background:var(--water);border-radius:3px}
.timeline li{display:grid;grid-template-columns:56px 1fr;gap:26px;padding:10px 0;position:relative}
.timeline time{font-family:var(--round);font-weight:800;color:var(--lake);text-align:right;font-size:1.05rem}
.timeline li:before{content:"";position:absolute;left:60px;top:19px;width:15px;height:15px;border-radius:50%;background:var(--sun);border:3px solid var(--white);box-shadow:0 0 0 2px var(--lake)}
.timeline h4{margin:0 0 .2em;font-size:1.05rem;color:var(--ink)}
.timeline p{margin:0;font-size:.92rem;color:var(--muted)}

/* tables */
.table-wrap{position:relative;overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:var(--white)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
thead th{background:var(--lake);color:#fff;font-family:var(--round);font-weight:700;white-space:nowrap}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
tbody th{font-weight:700;color:var(--lake);white-space:nowrap}
td.num,th.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.yen{font-family:var(--round);font-weight:800;font-size:1.15rem;color:var(--lake)}

/* season table */
.season{min-width:760px;font-size:.88rem}
.season th,.season td{text-align:center;padding:9px 6px}
.season tbody th{text-align:left;white-space:normal;min-width:150px}
.season td{font-size:1.05rem}
.season td.closed{background:#eee9dc;color:#9a8f77;font-size:.7rem}
.season small{display:block;font-size:.66rem;color:var(--muted);line-height:1.2}
.s5{color:#c48a00}.s4{color:var(--reed)}.s3{color:var(--lake-2)}.s2{color:#b9a98a}.s1{color:#c8c2b4}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:.85rem;color:var(--muted);margin-top:12px}
.month-pick{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.month-pick button{border:1px solid var(--line);background:var(--white);border-radius:99px;padding:6px 12px;font-weight:700;cursor:pointer;font-family:inherit;color:var(--ink)}
.month-pick button[aria-pressed=true]{background:var(--lake);color:#fff;border-color:var(--lake)}
.season .hl{background:var(--sun-2)}

/* notes */
.note{border-radius:16px;padding:18px 20px;background:var(--sun-2);border-left:6px solid var(--sun);margin:18px 0}
.note.warn{background:#fdeceb;border-color:var(--coral)}
.note.info{background:var(--water);border-color:var(--lake-2)}
.note p:last-child,.note ul:last-child{margin-bottom:0}
.note strong{color:var(--lake)}
.note.warn strong{color:var(--coral)}

ul.check{list-style:none;padding:0;margin:0 0 1em}
ul.check li{position:relative;padding-left:30px;margin:.45em 0}
ul.check li:before{content:"";position:absolute;left:0;top:.45em;width:18px;height:18px;border-radius:50%;background:var(--reed) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}
ul.dot{padding-left:1.2em}
ul.dot li{margin:.35em 0}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:14px}
.steps li{counter-increment:s;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:16px 18px 16px 64px;position:relative}
.steps li:before{content:counter(s);position:absolute;left:16px;top:14px;width:34px;height:34px;border-radius:50%;background:var(--lake);color:#fff;font-weight:800;display:grid;place-items:center;font-family:var(--round)}
.steps b{display:block;color:var(--lake)}

/* FAQ */
.faq details{background:var(--white);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 52px 18px 20px;font-weight:800;position:relative;list-style:none;color:var(--lake)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"Q";color:var(--sun);font-family:var(--round);margin-right:10px;-webkit-text-stroke:.4px var(--lake)}
.faq summary:after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--lake-2)}
.faq details[open] summary:after{content:"−"}
.faq .a{padding:0 20px 18px 44px}
.faq .a p:last-child{margin:0}

/* embeds */
.embed{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000;box-shadow:var(--shadow)}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-lite{position:absolute;inset:0;width:100%;height:100%;border:0;padding:0;cursor:pointer;background:#000 center/cover no-repeat}
.yt-lite:after{content:"";position:absolute;left:50%;top:50%;width:76px;height:54px;transform:translate(-50%,-50%);border-radius:14px;background:#f00 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") center/32px no-repeat;box-shadow:0 6px 20px rgba(0,0,0,.4)}
.cal{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff}
.cal iframe{width:100%;height:560px;border:0;display:block}
@media (max-width:640px){.cal iframe{height:470px}}
.insta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
@media (max-width:900px){.insta-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.insta-grid{grid-template-columns:1fr}}
.insta-grid .instagram-media{min-width:0!important;max-width:100%!important;margin:0!important}

/* sns */
.sns{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:760px){.sns{grid-template-columns:repeat(2,1fr)}}
.sns a{display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:16px;background:var(--white);border:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:700;transition:transform .15s}
.sns a:hover{transform:translateY(-2px);border-color:var(--lake-2)}
.sns svg{width:28px;height:28px;flex:none}
.sns small{display:block;font-weight:400;color:var(--muted);font-size:.78rem}

/* profile */
.profile{display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:center}
.profile img{width:220px;height:220px;border-radius:50%;object-fit:cover;border:6px solid var(--white);box-shadow:var(--shadow)}
@media (max-width:700px){.profile{grid-template-columns:1fr;text-align:center}.profile img{margin:auto;width:180px;height:180px}}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin:14px 0}
.profile .stat-row{justify-content:inherit}
.stat{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:10px 16px}
.stat b{font-family:var(--round);font-size:1.4rem;color:var(--lake);display:block;line-height:1.2}
.stat span{font-size:.78rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:10px 0 0}
.chips li{background:var(--water);color:var(--lake);border-radius:99px;padding:4px 12px;font-size:.85rem;font-weight:700}

/* CTA band */
.cta-band{position:relative;overflow:hidden}
.cta-band .chara{position:absolute;right:4%;bottom:0;width:180px;opacity:.95}
@media (max-width:760px){.cta-band .chara{display:none}}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,4vw,2.4rem)}

/* footer */
.site-footer{background:#0a2c35;color:#cfe0e2;padding:56px 0 30px;font-size:.9rem}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}
@media (max-width:760px){.foot{grid-template-columns:1fr}}
.foot h3{color:#fff;font-size:1rem}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:.45em 0}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;font-size:.78rem;color:#9fb7ba;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* 予約固定バー（スマホ） */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:40;display:none;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(248,245,236,.96);border-top:1px solid var(--line);backdrop-filter:blur(8px)}
.sticky-cta .btn{flex:1;min-height:46px;padding:8px 10px;font-size:.92rem}
@media (max-width:760px){.sticky-cta{display:flex}body{padding-bottom:72px}}

.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.toc a{display:block;padding:8px 14px;border-radius:99px;background:var(--white);border:1px solid var(--line);text-decoration:none;font-weight:700;font-size:.88rem;color:var(--lake)}
.toc a:hover{background:var(--water)}
.mt0{margin-top:0}.mb0{margin-bottom:0}.center{text-align:center}.small{font-size:.86rem;color:var(--muted)}
.prose h2{font-size:clamp(1.4rem,3vw,1.9rem);color:var(--lake);margin-top:1.6em;padding-bottom:.3em;border-bottom:3px solid var(--water)}
.prose h2:first-child{margin-top:0}
.prose h3{color:var(--lake);font-size:1.15rem;margin-top:1.4em}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}
@media (max-width:640px){
  .hero-in{padding:90px 0 40px}
  .hero-stats{gap:4px 14px;font-size:.8rem}
  .hero-stats b{font-size:1.15rem}
  .hero .badge{font-size:.78rem}
}
.timeline li{gap:34px}
.season tbody th,.season thead th:first-child{position:sticky;left:0;z-index:1}
.season tbody th{background:var(--white);box-shadow:1px 0 0 var(--line)}
.season thead th:first-child{background:var(--lake)}
@media (max-width:640px){.season tbody th{min-width:118px;font-size:.8rem}}
.season thead th.hl{background:var(--sun);color:var(--lake)}
/* 予約フォーム（Googleフォーム埋め込み） */
.reserve-before .card{text-decoration:none;color:inherit;box-shadow:none}
.reserve-before a.card:hover{border-color:var(--lake-2)}
.reserve-before h3{font-size:1.05rem;margin-bottom:.3em}
.form-frame{max-width:780px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.form-frame iframe{display:block;width:100%;height:max(640px,85vh);border:0}
@media (max-width:640px){.reserve-before{gap:10px}.reserve-before .card{padding:14px 18px}}
/* 予約フォーム（サイト内フォーム） */
.form-wrap{width:min(760px,calc(100% - 32px));margin:0 auto}
.rf-step{border:0;margin:0 0 22px;padding:26px 26px 8px;background:var(--white);border-radius:var(--r);border:1px solid var(--line);box-shadow:var(--shadow);min-width:0}
.rf-step legend{float:left;width:100%;display:flex;align-items:center;gap:10px;font-family:var(--round);font-weight:800;font-size:1.25rem;color:var(--lake);margin-bottom:18px;padding:0}
.rf-step legend span{width:34px;height:34px;border-radius:50%;background:var(--sun);display:grid;place-items:center;font-size:1rem;flex:none}
.rf-step legend+*{clear:both}
.rf-field{margin-bottom:22px;clear:both}
.rf-label{display:block;font-weight:700;margin-bottom:8px;color:var(--ink)}
.req{color:var(--coral);margin-left:4px;font-weight:800}
.rf-help{font-size:.84rem;color:var(--muted);margin:8px 0 0;line-height:1.7}
.rf input[type=text],.rf input[type=email],.rf input[type=date],.rf textarea,.rf select{width:100%;font:inherit;font-size:16px;color:var(--ink);background:#fff;border:2px solid #d5dcdc;border-radius:12px;padding:12px 14px;min-height:52px;transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
.rf textarea{line-height:1.7;resize:vertical}
.rf select{background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e3a46' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 12px center/18px no-repeat;padding-right:40px}
.rf input:focus,.rf textarea:focus,.rf select:focus{outline:0;border-color:var(--lake-2);box-shadow:0 0 0 4px rgba(20,88,104,.15)}
.rf ::placeholder{color:#a6b0b0}
.rf-choices{display:grid;gap:10px}
.rf-choices.cards{grid-template-columns:repeat(3,1fr)}
@media (max-width:640px){.rf-choices.cards{grid-template-columns:1fr}.rf-step{padding:20px 16px 4px}.form-wrap{width:calc(100% - 24px)}}
.rf-choices label{position:relative;display:block;cursor:pointer}
.rf-choices input{position:absolute;opacity:0;width:1px;height:1px}
.rf-choices label>span{display:block;padding:14px 14px 14px 48px;border:2px solid #d5dcdc;border-radius:12px;background:#fff;line-height:1.55;transition:border-color .15s,background .15s;min-height:52px}
.rf-choices label>span:before{content:"";position:absolute;left:15px;top:15px;width:22px;height:22px;border:2px solid #9aa8a9;border-radius:50%;background:#fff}
.rf-choices input[type=checkbox]+span:before{border-radius:6px}
.rf-choices input:checked+span{border-color:var(--lake);background:var(--water)}
.rf-choices input:checked+span:before{border-color:var(--lake);background:var(--lake) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/14px no-repeat}
.rf-choices input:focus-visible+span{box-shadow:0 0 0 4px rgba(20,88,104,.2)}
.rf-choices small{display:block;color:var(--muted);font-size:.8rem}
.rf-choices b{color:var(--lake)}
.rf-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.rf-grid label{font-weight:700;font-size:.9rem;display:grid;gap:6px}
@media (max-width:480px){.rf-grid{grid-template-columns:1fr}}
.rf-terms{background:var(--paper);border-radius:12px;margin-bottom:12px;border:1px solid var(--line)}
.rf-terms summary{cursor:pointer;padding:14px 16px;font-weight:700;color:var(--lake-2)}
.rf-terms[open]{max-height:none}
.rf-terms>*:not(summary){margin:0 16px}
.rf-terms ol,.rf-terms ul{font-size:.86rem;padding-left:1.4em;margin-bottom:14px}
.rf-terms li{margin:.4em 0}
.rf-terms h4{font-size:.95rem;color:var(--lake);margin-top:10px}
.rf-field.invalid input[type=text],.rf-field.invalid input[type=email],.rf-field.invalid input[type=date],.rf-field.invalid textarea{border-color:var(--coral);background:#fff7f6}
.rf-field.invalid .rf-choices label>span{border-color:#efb3ad}
.rf-field.invalid .rf-label:after{content:"入力してください";color:var(--coral);font-size:.8rem;margin-left:8px}
.rf-submit{text-align:center;margin-top:8px}
.rf-submit .btn{width:min(420px,100%);min-height:60px;font-size:1.1rem}
.rf-submit .btn:disabled{opacity:.6;transform:none}
.rf-error{background:#fdeceb;color:#a12b20;border-radius:12px;padding:12px 16px;font-weight:700;font-size:.92rem}
.rf-done{text-align:center;padding:36px 26px}
.rf-done img{margin:0 auto 12px}
.rf-done h2{color:var(--lake)}