@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Noto+Serif+JP:wght@400;500;600;700&display=swap');

/* ============================================================
   治療院WEB サービス詳細ページ 共通スタイル（ダーク／明朝）
   対象：/service/hp/ /service/ads/
   HTMLは変更せず、このCSSだけで見た目を切り替えている
   ============================================================ */

:root{
  --ink:#1d1f1f;
  --dark:#232525;
  --dark-2:#2c2f2e;
  --dark-3:#1a1c1c;
  --light:#f4f4f1;
  --line-d:rgba(255,255,255,.14);
  --line-l:#e0e0da;
  --txt-d:rgba(255,255,255,.78);
  --txt-l:#4a4f4e;
  --brass:#c9ae76;
  --brass-2:#e3d6ac;
  --teal:#2f6b63;
  --serif:"Noto Serif JP","Yu Mincho","游明朝",serif;
  --sans:"Noto Sans JP","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;
  --r:0px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--dark);color:#fff;font-family:var(--sans);
  font-size:16px;line-height:2;letter-spacing:.04em;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
section{padding:96px 0}
@media(min-width:768px){section{padding:126px 0}}
section.alt{background:var(--light);color:var(--ink)}

h2.sec{font-family:var(--serif);font-weight:600;font-size:26px;line-height:1.85;
  letter-spacing:.06em;margin:0 0 18px}
@media(min-width:768px){h2.sec{font-size:32px}}
p.sub{font-size:15px;line-height:2.15;color:var(--txt-d);margin:0 0 44px;max-width:42em}
section.alt p.sub{color:var(--txt-l)}

/* ---------- ヘッダー ---------- */
header.nav{position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(35,37,37,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-d)}
header.nav .in{max-width:1040px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:.1em;
  text-decoration:none;color:#fff}
.logo small{display:block;font-family:var(--sans);font-size:10px;letter-spacing:.14em;
  color:var(--brass);font-weight:400;margin-top:4px}
.nav .btn-s{background:transparent;border:1px solid var(--brass);color:var(--brass-2);
  text-decoration:none;font-size:13px;font-weight:500;letter-spacing:.08em;
  padding:10px 20px;border-radius:0;white-space:nowrap;transition:.25s}
.nav .btn-s:hover{background:var(--brass);color:var(--dark)}

/* ---------- ヒーロー ---------- */
.hero{position:relative;overflow:hidden;background:var(--dark);
  padding:150px 0 100px}
@media(min-width:768px){.hero{padding:190px 0 120px}}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(820px 440px at 80% 15%, rgba(201,174,118,.13), transparent 62%),
             radial-gradient(640px 380px at 5% 90%, rgba(63,125,117,.15), transparent 60%)}
.hero .wrap{position:relative}
.hero .crumb{font-size:12px;letter-spacing:.14em;color:var(--brass);margin:0 0 22px;opacity:.9}
.hero .crumb a{color:var(--brass);text-decoration:none}
.hero h1{font-family:var(--serif);font-weight:600;font-size:30px;line-height:1.8;
  letter-spacing:.07em;margin:0 0 26px}
@media(min-width:768px){.hero h1{font-size:44px}}
.hero .h-sub{font-size:15.5px;line-height:2.15;color:var(--txt-d);margin:0 0 36px;max-width:38em}
.hero .price{display:inline-block;border:1px solid var(--line-d);background:rgba(255,255,255,.03);
  border-radius:0;padding:20px 26px;margin:0 0 34px}
.hero .price .l{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--brass);margin-bottom:8px}
.hero .price .n{display:block;font-family:var(--serif);font-size:25px;font-weight:600;line-height:1.5;letter-spacing:.04em}
.hero .price .n small{font-family:var(--sans);font-size:13px;font-weight:400;color:var(--txt-d);letter-spacing:.04em}

/* ---------- ボタン ---------- */
.btn{display:inline-block;background:var(--brass);color:#20221f;font-weight:700;
  font-size:16px;letter-spacing:.08em;padding:18px 40px;border-radius:0;
  text-decoration:none;box-shadow:none;transition:.25s;font-family:var(--sans)}
.btn:hover{background:var(--brass-2);transform:translateY(-2px);color:#20221f}
.btn-note{font-size:12.5px;color:rgba(255,255,255,.5);margin:14px 0 0;letter-spacing:.06em}
section.alt .btn-note{color:#8a8f8d}

/* ---------- カード ---------- */
.cards{display:grid;gap:1px;grid-template-columns:1fr;background:var(--line-d);
  border:1px solid var(--line-d)}
@media(min-width:700px){.cards.c3{grid-template-columns:repeat(3,1fr)}
  .cards:not(.c3){grid-template-columns:repeat(2,1fr)}}
.card{background:var(--dark-2);border:0;border-radius:0;padding:34px 28px;box-shadow:none}
.card .t{font-family:var(--serif);font-weight:600;font-size:19px;margin:0 0 12px;
  color:var(--brass-2);letter-spacing:.05em;line-height:1.75}
.card p{margin:0;font-size:14.5px;line-height:2.05;color:var(--txt-d)}
section.alt .cards{background:var(--line-l);border-color:var(--line-l)}
section.alt .card{background:#fff}
section.alt .card .t{color:var(--teal)}
section.alt .card p{color:var(--txt-l)}

/* ---------- ボックス（含む／含まない） ---------- */
.box{background:transparent;border:1px solid var(--line-d);border-radius:0;
  padding:32px 30px;margin-bottom:16px;box-shadow:none}
.box h3{font-family:var(--serif);margin:0 0 16px;font-size:19px;font-weight:600;letter-spacing:.05em}
.box ul{margin:0;padding-left:1.15em;font-size:15px;line-height:2.1;color:var(--txt-d)}
.box li{margin-bottom:8px}
.box p{color:var(--txt-d)}
.box.inc{border-left:2px solid var(--brass);background:rgba(201,174,118,.05)}
.box.inc h3{color:var(--brass-2)}
.box.exc{border-left:2px solid #7d8b88;background:rgba(255,255,255,.03)}
.box.exc h3{color:#b9c6c3}
section.alt .box{border-color:var(--line-l);background:#fff}
section.alt .box ul,section.alt .box p{color:var(--txt-l)}
section.alt .box.inc{background:#fbf8f0;border-left-color:var(--brass)}
section.alt .box.inc h3{color:#8a6f33}
section.alt .box.exc{background:#f7f7f5;border-left-color:#9aa5a2}
section.alt .box.exc h3{color:#5b6764}

/* ---------- ステップ ---------- */
.steps{counter-reset:st;list-style:none;margin:0;padding:0}
.steps li{counter-increment:st;position:relative;padding:0 0 36px 74px;border-left:0;margin-left:0}
.steps li:last-child{padding-bottom:0}
.steps li::before{content:"0" counter(st);position:absolute;left:0;top:-4px;
  width:auto;height:auto;background:none;color:var(--brass);border-radius:0;
  font-family:var(--serif);font-size:24px;font-weight:600;letter-spacing:.04em;display:block}
.steps li::after{content:"";position:absolute;left:16px;top:34px;bottom:4px;width:1px;background:var(--line-d)}
.steps li:last-child::after{display:none}
.steps .t{font-family:var(--serif);font-weight:600;font-size:19px;margin:0 0 10px;letter-spacing:.05em}
.steps p{margin:0;font-size:14.5px;line-height:2.05;color:var(--txt-d)}
section.alt .steps li::after{background:var(--line-l)}
section.alt .steps p{color:var(--txt-l)}

/* ---------- 表 ---------- */
.tablewrap{overflow-x:auto;margin:0 0 20px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{border:1px solid var(--line-d);padding:14px 16px;text-align:left;line-height:1.95;color:var(--txt-d)}
thead th{background:rgba(201,174,118,.1);color:var(--brass-2);font-weight:600;
  font-family:var(--serif);letter-spacing:.05em;white-space:nowrap}
td b,th b{color:#fff}
section.alt th,section.alt td{border-color:var(--line-l);color:var(--txt-l)}
section.alt thead th{background:#efece2;color:#8a6f33}
section.alt td b{color:var(--ink)}

/* ---------- FAQ ---------- */
.faq details{background:transparent;border:0;border-bottom:1px solid var(--line-d);
  border-radius:0;margin-bottom:0;overflow:hidden}
.faq summary{cursor:pointer;padding:24px 46px 24px 0;font-family:var(--serif);
  font-weight:600;font-size:17px;line-height:1.8;letter-spacing:.05em;
  list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:34px;width:11px;height:11px;
  border-right:1px solid var(--brass);border-bottom:1px solid var(--brass);
  transform:rotate(45deg);transition:.25s;color:transparent}
.faq details[open] summary::after{transform:rotate(225deg);top:38px}
.faq .body{padding:0 0 26px;font-size:14.5px;line-height:2.1;color:var(--txt-d);max-width:46em}
.faq .body p{margin:0 0 1.1em}
.faq .body p:last-child{margin-bottom:0}
section.alt .faq details{border-bottom-color:var(--line-l)}
section.alt .faq summary::after{border-color:#8a8f8d}
section.alt .faq .body{color:var(--txt-l)}

/* ---------- 注意ボックス ---------- */
.note-b{background:rgba(201,174,118,.07);border-left:2px solid var(--brass);
  border-radius:0;padding:26px 30px;margin:0 0 22px}
.note-b .t{font-family:var(--serif);font-weight:600;color:var(--brass-2);
  margin:0 0 10px;font-size:16px;letter-spacing:.05em}
.note-b p{margin:0;font-size:14.5px;line-height:2.1;color:var(--txt-d)}
section.alt .note-b{background:#fbf8f0}
section.alt .note-b .t{color:#8a6f33}
section.alt .note-b p{color:var(--txt-l)}

/* ---------- 関連リンク ---------- */
.rel{display:block;border:1px solid var(--line-d);border-radius:0;padding:22px 24px;
  margin-bottom:12px;text-decoration:none;background:rgba(255,255,255,.02);transition:.25s}
.rel:hover{border-color:var(--brass);background:rgba(201,174,118,.07)}
.rel .l{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--brass);margin-bottom:8px}
.rel .t{display:block;font-family:var(--serif);font-size:17px;font-weight:600;
  color:#fff;line-height:1.8;letter-spacing:.04em}
section.alt .rel{border-color:var(--line-l);background:#fff}
section.alt .rel .t{color:var(--ink)}

/* ---------- 最終CTA ---------- */
.cta-final{background:var(--dark-3);color:#fff;text-align:center;position:relative;overflow:hidden}
.cta-final::before{content:"";position:absolute;inset:0;
  background:radial-gradient(700px 340px at 50% 0%, rgba(201,174,118,.12), transparent 65%)}
.cta-final .wrap{position:relative}
.cta-final h2{font-family:var(--serif);font-size:26px;font-weight:600;line-height:1.85;
  letter-spacing:.07em;margin:0 0 24px}
@media(min-width:768px){.cta-final h2{font-size:33px}}
.cta-final p{max-width:34em;margin:0 auto 38px;font-size:15px;line-height:2.15;
  color:var(--txt-d);text-align:left}

/* ---------- フッター ---------- */
footer{background:#141616;color:rgba(255,255,255,.45);font-size:13px;padding:64px 0 56px}
footer a{color:rgba(255,255,255,.72);text-decoration:none;margin-right:26px;font-size:13.5px}
footer a:hover{color:var(--brass-2);text-decoration:none}
footer .f-logo{font-family:var(--serif);color:#fff;font-weight:600;font-size:18px;
  letter-spacing:.1em;margin:0 0 22px}
footer .links{margin:0 0 26px;line-height:2.4}
footer .note{color:rgba(255,255,255,.38);line-height:2.1;font-size:12px}

/* ---------- 本文中のリンク ---------- */
section a:not(.btn):not(.rel):not(.btn-s):not(.logo){color:var(--brass-2);
  text-underline-offset:3px}
section.alt a:not(.btn):not(.rel){color:var(--teal)}

/* ---------- モバイル ---------- */
@media(max-width:600px){
  body{font-size:15.5px}
  section{padding:76px 0}
  .hero h1{font-size:26px}
  h2.sec{font-size:23px}
  .btn{display:block;text-align:center;font-size:15.5px;padding:18px 20px}
  .box{padding:26px 22px}
  .card{padding:28px 22px}
  .steps li{padding-left:58px}
  .steps li::before{font-size:20px}
  .steps li::after{left:12px}
}

/* ---------- 申し込み・相談フォーム ----------
   /service/hp/ /service/ads/ 共通。section.alt（明るい面）の中に置く前提 */
.lf{max-width:640px}
.lf .f{margin-bottom:22px}
.lf label{display:block;font-size:14px;font-weight:700;letter-spacing:.06em;
  margin:0 0 8px;color:var(--ink)}
.lf .req{display:inline-block;margin-left:8px;padding:2px 8px;font-size:11px;
  font-weight:700;letter-spacing:.08em;background:var(--teal);color:#fff;vertical-align:2px}
.lf .opt{display:inline-block;margin-left:8px;padding:2px 8px;font-size:11px;
  font-weight:500;letter-spacing:.08em;background:#ececea;color:#5b6764;vertical-align:2px}
.lf input[type=text],.lf input[type=email],.lf select,.lf textarea{
  width:100%;padding:14px 16px;border:1px solid #cfcfc8;border-radius:0;
  background:#fff;color:var(--ink);font-family:var(--sans);font-size:16px;
  line-height:1.8;letter-spacing:.04em;transition:border-color .2s}
.lf textarea{min-height:110px;resize:vertical}
.lf input:focus,.lf select:focus,.lf textarea:focus{
  outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(47,107,99,.12)}
.lf .radios{display:grid;gap:1px;grid-template-columns:1fr;background:#cfcfc8;border:1px solid #cfcfc8}
@media(min-width:560px){.lf .radios{grid-template-columns:1fr 1fr}}
.lf .radios label{display:block;margin:0;padding:18px 20px;background:#fff;cursor:pointer;
  font-weight:500;font-size:15px;letter-spacing:.04em}
.lf .radios label .h{display:block;font-weight:700;font-size:15px;margin-bottom:4px}
.lf .radios label .d{display:block;font-size:13px;color:var(--txt-l);line-height:1.9}
.lf .radios input{margin-right:10px}
.lf .radios label:has(input:checked){background:#f1f5f4;box-shadow:inset 3px 0 0 var(--teal)}
.lf button[type=submit]{display:inline-block;background:var(--brass);color:#20221f;
  font-weight:700;font-size:16px;letter-spacing:.08em;padding:18px 40px;border:0;
  border-radius:0;cursor:pointer;font-family:var(--sans);transition:.25s}
.lf button[type=submit]:hover:not(:disabled){background:var(--brass-2);transform:translateY(-2px)}
.lf button[type=submit]:disabled{opacity:.55;cursor:default;transform:none}
.lf .err{display:none;margin:16px 0 0;padding:12px 16px;font-size:14px;
  background:#fdf0ee;border-left:3px solid #b4483a;color:#8d3225}
.lf .privacy{font-size:12.5px;line-height:2;color:#7f8785;margin:18px 0 0;letter-spacing:.03em}
.lf-done{display:none;padding:34px 30px;background:#f1f5f4;border-left:3px solid var(--teal)}
.lf-done h3{font-family:var(--serif);font-size:20px;font-weight:600;margin:0 0 12px;color:var(--ink)}
.lf-done p{font-size:15px;line-height:2.1;color:var(--txt-l);margin:0}