/*
Theme Name: カサナル
Theme URI: https://kasanaru.jp/
Author: 株式会社ixaid
Description: グループ日程調整サービス「カサナル」の専用テーマ。LP・アプリページ・規約ページを提供。
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: kasanaru
*/

:root{
	--kt-bg:#FAFAF8; --kt-surface:#FFFFFF; --kt-ink:#202A38; --kt-soft:#66707F; --kt-line:#E8E6DF;
	--kt-accent:#0E8C74; --kt-accent-deep:#0B6E5C; --kt-accent-soft:#E3F2ED;
	--kt-best:#F5A623; --kt-dark:#1B2330; --kt-dark2:#232E40;
	--kt-radius:18px; --kt-shadow:0 8px 30px rgba(32,42,56,.08);
}
*{box-sizing:border-box; margin:0; padding:0}
html{scroll-behavior:smooth}
body{
	background:var(--kt-bg); color:var(--kt-ink);
	font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Noto Sans JP",system-ui,sans-serif;
	font-size:16px; line-height:1.8; -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:var(--kt-accent-deep)}

/* ---------- header ---------- */
.kt-header{
	position:sticky; top:0; z-index:100;
	background:rgba(250,250,248,.85); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
	border-bottom:1px solid var(--kt-line);
}
.kt-header-in{max-width:1080px; margin:0 auto; padding:12px 20px; display:flex; align-items:center; gap:20px}
.kt-logo{font-size:21px; font-weight:800; letter-spacing:.06em; color:var(--kt-ink); text-decoration:none}
.kt-dot{color:var(--kt-accent)}
.kt-nav{display:none; gap:26px; margin-left:12px}
.kt-nav a{font-size:14px; font-weight:600; color:var(--kt-ink); text-decoration:none}
.kt-nav a:hover{color:var(--kt-accent-deep)}
.kt-header-cta{
	margin-left:auto; background:var(--kt-accent); color:#fff; font-size:13.5px; font-weight:700;
	padding:9px 18px; border-radius:999px; text-decoration:none; white-space:nowrap;
}
.kt-header-cta:hover{background:var(--kt-accent-deep); color:#fff}
@media(min-width:820px){ .kt-nav{display:flex} }

/* ---------- common ---------- */
.kt-section-in{max-width:1080px; margin:0 auto; padding:72px 20px}
.kt-eyebrow{
	font-size:12px; font-weight:800; letter-spacing:.22em; color:var(--kt-accent-deep);
	text-transform:uppercase; margin-bottom:10px;
}
.kt-lp h2{font-size:clamp(24px,4.2vw,34px); font-weight:800; letter-spacing:.02em; line-height:1.4; margin-bottom:28px; word-break:keep-all; overflow-wrap:anywhere}
.kt-sp-br{display:none}
@media(max-width:600px){ .kt-sp-br{display:block} }
.kt-lead{color:var(--kt-soft); font-size:16.5px}
.kt-center{text-align:center; margin-top:36px}
.kt-cta{
	display:inline-block; background:var(--kt-accent); color:#fff; font-weight:800; font-size:16px;
	padding:16px 36px; border-radius:999px; text-decoration:none; transition:transform .15s, background .15s;
	box-shadow:0 6px 20px rgba(14,140,116,.3);
}
.kt-cta:hover{background:var(--kt-accent-deep); transform:translateY(-2px); color:#fff}
.kt-cta-big{font-size:18px; padding:19px 46px}
.kt-cta-disabled{background:var(--kt-line); color:var(--kt-soft); box-shadow:none; cursor:default}
.kt-cta-disabled:hover{background:var(--kt-line); transform:none; color:var(--kt-soft)}
.kt-cta-note{font-size:12.5px; color:var(--kt-soft); margin-top:10px}
.kt-emoji{font-size:30px; display:block; margin-bottom:10px}

/* ---------- hero ---------- */
.kt-hero{overflow:hidden; border-bottom:1px solid var(--kt-line)}
.kt-hero-in{
	max-width:1080px; margin:0 auto; padding:64px 20px 72px;
	display:grid; gap:44px; align-items:center;
}
@media(min-width:880px){ .kt-hero-in{grid-template-columns:1.05fr .95fr; padding-top:88px; padding-bottom:96px} }
.kt-hero h1{font-size:clamp(32px,6vw,52px); font-weight:800; line-height:1.32; letter-spacing:.01em; margin:6px 0 18px}
.kt-hero-cta{margin-top:30px}

/* hero mock (CSSだけで描くアプリ画面) */
.kt-hero-visual{display:flex; justify-content:center}
.kt-mock{
	background:var(--kt-dark); border-radius:22px; padding:22px 20px; width:100%; max-width:400px;
	box-shadow:0 24px 60px rgba(27,35,48,.35); color:#EAEDF2; transform:rotate(1.2deg);
}
.kt-mock-title{font-size:14px; font-weight:800; margin-bottom:10px}
.kt-mock-people{display:flex; gap:6px; margin-bottom:14px}
.kt-mock-people span{
	font-size:11px; font-weight:700; border:1px solid #3A465C; border-radius:999px; padding:2px 11px;
}
.kt-mock-people span:nth-child(1){border-color:#E06A4E}
.kt-mock-people span:nth-child(2){border-color:#4E79E0}
.kt-mock-people span:nth-child(3){border-color:#B056C7}
.kt-mock-grid{display:grid; gap:5px}
.kt-mock-head,.kt-mock-row{display:grid; grid-template-columns:44px 1fr 1fr 1fr; gap:5px; align-items:center}
.kt-mock-head b{font-size:12px; text-align:center; font-weight:800}
.kt-mock-head small{display:block; font-weight:400; font-size:10px; color:#9AA4B5}
.kt-mock-row i{font-size:10px; color:#9AA4B5; font-style:normal; text-align:right; padding-right:4px; font-feature-settings:"tnum"}
.kt-mock-row span{
	height:24px; border-radius:6px; background:#232E40; position:relative;
	display:flex; align-items:center; justify-content:center;
}
.kt-mock-row span.v1{background:rgba(47,191,160,.28)}
.kt-mock-row span.v2{background:rgba(47,191,160,.55)}
.kt-mock-row span.v3{background:rgba(47,191,160,.95); border:2px solid var(--kt-best)}
.kt-mock-row em{font-style:normal; font-size:12px; font-weight:800; color:#fff}
.kt-mock-best{
	margin-top:16px; background:rgba(245,166,35,.14); border:1px solid var(--kt-best);
	border-radius:10px; padding:9px 13px; font-size:13px; font-weight:700;
}

/* ---------- cards ---------- */
.kt-cards3,.kt-cards2{display:grid; gap:16px}
@media(min-width:760px){ .kt-cards3{grid-template-columns:repeat(3,1fr)} .kt-cards2{grid-template-columns:repeat(2,1fr)} }
.kt-card{
	background:var(--kt-surface); border:1px solid var(--kt-line); border-radius:var(--kt-radius);
	padding:26px 24px; box-shadow:var(--kt-shadow);
}
.kt-card b{display:block; font-size:16.5px; margin-bottom:8px}
.kt-card b small{font-size:11px; color:var(--kt-accent-deep); font-weight:700; margin-left:4px}
.kt-card p{font-size:14px; color:var(--kt-soft)}
.kt-step{position:relative; padding-top:30px}
.kt-stepnum{
	position:absolute; top:-18px; left:22px; width:40px; height:40px; border-radius:50%;
	background:var(--kt-accent); color:#fff; font-weight:800; font-size:18px;
	display:flex; align-items:center; justify-content:center; box-shadow:0 4px 12px rgba(14,140,116,.35);
}
.kt-how .kt-cards3{margin-top:34px}

/* ---------- sections ---------- */
.kt-pain{background:var(--kt-surface); border-bottom:1px solid var(--kt-line)}
.kt-pain .kt-section-in{padding-top:64px; padding-bottom:64px}
.kt-features{background:var(--kt-surface); border-top:1px solid var(--kt-line); border-bottom:1px solid var(--kt-line)}

/* ---------- pricing ---------- */
.kt-price-grid{display:grid; gap:18px; max-width:820px}
@media(min-width:720px){ .kt-price-grid{grid-template-columns:1fr 1fr} }
.kt-price{
	background:var(--kt-surface); border:1px solid var(--kt-line); border-radius:var(--kt-radius);
	padding:30px 28px; box-shadow:var(--kt-shadow); display:flex; flex-direction:column; gap:14px; align-items:flex-start;
}
.kt-price-pro{border:2px solid var(--kt-accent)}
.kt-price > b{font-size:17px}
.kt-soon{
	font-size:11px; font-weight:800; color:var(--kt-accent-deep); background:var(--kt-accent-soft);
	border-radius:999px; padding:2px 10px; vertical-align:2px; margin-left:6px;
}
.kt-price-num{font-size:38px; font-weight:800; line-height:1; font-feature-settings:"tnum"}
.kt-price-num small{font-size:13px; color:var(--kt-soft); font-weight:600; margin-left:6px}
.kt-price ul{list-style:none; display:grid; gap:8px; font-size:14px}
.kt-price li::before{content:"✓ "; color:var(--kt-accent); font-weight:800}
.kt-price .kt-cta{margin-top:auto}

/* ---------- FAQ ---------- */
.kt-faq-in{max-width:760px}
.kt-faq details{
	background:var(--kt-surface); border:1px solid var(--kt-line); border-radius:14px;
	padding:18px 22px; margin-bottom:12px;
}
.kt-faq summary{font-weight:700; font-size:15px; cursor:pointer; list-style:none; position:relative; padding-right:28px}
.kt-faq summary::-webkit-details-marker{display:none}
.kt-faq summary::after{content:"＋"; position:absolute; right:0; top:0; color:var(--kt-accent); font-weight:800}
.kt-faq details[open] summary::after{content:"−"}
.kt-faq details p{margin-top:10px; font-size:14px; color:var(--kt-soft)}

/* ---------- final CTA ---------- */
.kt-final{background:linear-gradient(135deg, var(--kt-accent-deep), var(--kt-accent)); color:#fff}
.kt-final h2{color:#fff}
.kt-final .kt-lead{color:rgba(255,255,255,.85); margin-bottom:26px}
.kt-final .kt-cta{background:#fff; color:var(--kt-accent-deep); box-shadow:0 8px 24px rgba(0,0,0,.18)}
.kt-final .kt-cta:hover{background:#F2FBF8}
.kt-final .kt-section-in{padding:72px 20px}

/* ---------- footer ---------- */
.kt-footer{background:var(--kt-dark); color:#C6CDD8; margin-top:0}
.kt-footer .kt-logo{color:#fff}
.kt-footer-in{
	max-width:1080px; margin:0 auto; padding:44px 20px 20px;
	display:flex; flex-wrap:wrap; gap:28px; justify-content:space-between; align-items:flex-start;
}
.kt-footer-brand p{font-size:12.5px; margin-top:6px; color:#9AA4B5}
.kt-footer-links{display:flex; flex-wrap:wrap; gap:20px}
.kt-footer-links a{color:#C6CDD8; font-size:13px; text-decoration:none}
.kt-footer-links a:hover{color:#fff}
.kt-copy{text-align:center; font-size:11.5px; color:#77839A; padding:16px 20px 26px}

/* ---------- app page / generic page ---------- */
.kt-app{max-width:820px; margin:0 auto; padding:28px 14px 64px}
.kt-page{max-width:760px; margin:0 auto; padding:48px 20px 72px}
.kt-page-title{font-size:26px; font-weight:800; margin-bottom:24px}
.kt-content h2{font-size:19px; margin:28px 0 10px}
.kt-content h3{font-size:16px; margin:22px 0 8px}
.kt-content p,.kt-content li{font-size:14.5px; color:var(--kt-ink)}
.kt-content ul,.kt-content ol{padding-left:22px; margin:10px 0}