/* 栗田元気 自社紹介サイト — 差出人ページ・手紙と同系統(墨×生成り×深緑) */
:root{
  --ink:#2b2a27; --muted:#6f6a60; --line:#e6e1d8; --bg:#faf8f4; --card:#ffffff;
  --ac:#2f6b4f; --ac-d:#234f39; --ac2:#e8f1ec; --gold:#b98a4a;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",sans-serif;color:var(--ink);background:var(--bg);line-height:1.95;font-size:15.5px;-webkit-text-size-adjust:100%}
.mincho{font-family:"Shippori Mincho","Hiragino Mincho ProN",serif}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1000px;margin:0 auto;padding:0 22px}
[id]{scroll-margin-top:80px}

/* ===== header ===== */
header{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:66px;gap:10px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex-shrink:0}
.logo-t{font-family:"Shippori Mincho",serif;font-weight:600;font-size:1.08rem;letter-spacing:.06em;white-space:nowrap}
.logo-t small{display:block;font-size:.58rem;letter-spacing:.14em;color:var(--muted);font-weight:500;font-family:"Hiragino Kaku Gothic ProN",sans-serif}
nav.g{display:flex;align-items:center}
nav.g a{color:var(--ink);text-decoration:none;font-size:.86rem;margin-left:20px;letter-spacing:.02em;white-space:nowrap}
nav.g a:hover,nav.g a.on{color:var(--ac)}
.tel-btn{background:var(--ac);color:#fff !important;padding:9px 16px;border-radius:99px;font-weight:700;font-size:.84rem !important;white-space:nowrap}
.tel-btn:hover{background:var(--ac-d)}
@media(max-width:1080px){html.js nav.g a:not(.tel-btn){display:none}}
@media(max-width:560px){.logo-t small{display:none}nav.g .tel-num{display:none}.tel-btn{padding:9px 13px}}

/* ハンバーガー */
.menu-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;padding:0 10px;margin-left:8px;flex-shrink:0}
.menu-btn span{display:block;height:2.4px;border-radius:2px;background:var(--ink);transition:.25s}
html.menu-open .menu-btn span:nth-child(1){transform:translateY(7.4px) rotate(45deg)}
html.menu-open .menu-btn span:nth-child(2){opacity:0}
html.menu-open .menu-btn span:nth-child(3){transform:translateY(-7.4px) rotate(-45deg)}
@media(max-width:1080px){.menu-btn{display:flex}}
html.menu-open{overflow:hidden}
.m-nav{position:fixed;top:66px;left:0;right:0;z-index:49;background:rgba(250,248,244,.98);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:6px 22px calc(20px + env(safe-area-inset-bottom));display:none;flex-direction:column;max-height:calc(100vh - 66px);overflow-y:auto;box-shadow:0 18px 30px rgba(43,42,39,.1)}
html.menu-open .m-nav{display:flex}
.m-nav a{padding:14px 4px;border-bottom:1px dashed var(--line);text-decoration:none;font-size:.98rem;color:var(--ink);font-weight:500}
.m-nav a.on{color:var(--ac)}
.m-nav a.tel-btn{margin-top:14px;text-align:center;border-bottom:none;color:#fff}

/* JS無効時: navを折り返して横並びのまま全表示 */
html:not(.js) nav.g{flex-wrap:wrap;justify-content:flex-end;row-gap:6px}

/* ===== ページ見出し(下層ページ共通) ===== */
.page-head{background:linear-gradient(150deg,var(--ac),var(--ac-d));color:#f3f6f2;padding:46px 0 40px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-40px;top:-50px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.06)}
.page-head .en{font-size:.68rem;letter-spacing:.32em;color:#cfe3d7}
.page-head h1{font-family:"Shippori Mincho",serif;font-weight:600;font-size:clamp(1.5rem,3.6vw,2.05rem);letter-spacing:.05em;margin-top:8px}
.page-head p{font-size:.9rem;color:#e5efe8;margin-top:10px;max-width:38em}

/* ===== section / typography ===== */
section{padding:58px 0}
.sec-label{display:flex;align-items:center;gap:10px;color:var(--ac);font-size:.72rem;letter-spacing:.28em;font-weight:700;margin-bottom:10px}
.sec-label::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--gold)}
h2{font-family:"Shippori Mincho",serif;font-weight:600;font-size:clamp(1.32rem,3vw,1.68rem);letter-spacing:.04em;margin-bottom:14px}
h3{font-family:"Shippori Mincho",serif;font-weight:600;letter-spacing:.03em}
.sec-lead{color:var(--muted);max-width:42em;margin-bottom:32px;font-size:.94rem}
.note{font-size:.82rem;color:var(--muted)}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;border-radius:99px;padding:13px 26px;font-size:.92rem;letter-spacing:.03em;transition:.2s;border:1.6px solid var(--ac)}
.btn-pri{background:var(--ac);color:#fff !important;box-shadow:0 6px 16px rgba(47,107,79,.24)}
.btn-pri:hover{background:var(--ac-d);transform:translateY(-1px)}
.btn-line{border:1.6px solid var(--ac);color:var(--ac);background:#fff}
.btn-line:hover{background:var(--ac2)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}

/* ===== cards / grid ===== */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:780px){.grid2,.grid3{grid-template-columns:1fr}}

/* ===== 料金テーブル ===== */
.price-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;font-size:.86rem}
.price-table th,.price-table td{border:1px solid var(--line);padding:12px 10px;text-align:center}
.price-table th{background:var(--ac);color:#fff;font-weight:500;font-size:.8rem}
.price-table td:first-child{text-align:left;font-weight:700}
.price-table .strike{color:var(--muted);text-decoration:line-through;font-size:.82em;display:block}
.price-table .now{color:var(--ac);font-weight:700;font-size:1.08em}
@media(max-width:480px){.price-table{font-size:.76rem}.price-table th,.price-table td{padding:9px 5px}}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

.price-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.price-card .pc-label{font-size:.8rem;letter-spacing:.08em;color:var(--muted);font-weight:700}
.price-card .pc-price{font-family:"Shippori Mincho",serif;color:var(--ac-d);font-weight:600;font-size:1.9rem;letter-spacing:.02em;margin:6px 0 8px}
.price-card .pc-from{font-size:1.1rem;margin-left:2px}
.price-card p{font-size:.86rem;color:var(--muted)}

.terms-box{background:var(--ac2);border-radius:14px;padding:22px 24px;margin:22px 0}
.terms-box ul{padding-left:1.2em;margin-top:8px}
.terms-box li{margin:5px 0;font-size:.92rem}

.demo-card{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;text-decoration:none;color:var(--ink);transition:.2s}
.demo-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(43,42,39,.1)}
.demo-card .dc-swatch{display:block;height:8px;border-radius:99px;margin-bottom:14px}
.demo-card .dc-tag{display:inline-block;font-size:.72rem;letter-spacing:.1em;color:var(--ac);background:var(--ac2);border-radius:99px;padding:3px 10px;margin-bottom:8px}
.demo-card b{display:block;font-family:"Shippori Mincho",serif;font-size:1.05rem;letter-spacing:.03em}
.demo-card p{font-size:.86rem;color:var(--muted);margin-top:8px}
.demo-card .dc-more{display:inline-block;margin-top:12px;font-size:.86rem;font-weight:700;color:var(--ac-d)}

.upsell-item{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fff}
.upsell-item h3{font-size:1rem;display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.upsell-item .yen{color:var(--ac);font-weight:700;font-size:.92rem;white-space:nowrap}
.upsell-item p{margin-top:8px;font-size:.88rem;color:var(--muted)}

/* ===== FAQ ===== */
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
summary{cursor:pointer;padding:16px 44px 16px 20px;font-weight:700;font-size:.94rem;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"＋";position:absolute;right:18px;top:16px;color:var(--ac)}
details[open] summary::after{content:"－"}
details .a{padding:0 20px 18px;font-size:.9rem;color:var(--muted)}

/* ===== 流れ(ステップ) ===== */
.steps{counter-reset:step;list-style:none}
.step{position:relative;padding:0 0 34px 52px;border-left:2px solid var(--line);margin-left:19px}
.step:last-child{border-color:transparent;padding-bottom:0}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:-21px;top:0;width:40px;height:40px;border-radius:50%;background:var(--ac);color:#fff;font-family:"Shippori Mincho",serif;font-weight:600;display:flex;align-items:center;justify-content:center;font-size:1.05rem}
.step h3{font-size:1.02rem;margin-bottom:6px}
.step p{font-size:.9rem;color:var(--muted)}

/* ===== プロフィール ===== */
.who{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.who .ph{width:120px;height:120px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--ac2);border:4px solid #fff;box-shadow:0 10px 26px rgba(43,42,39,.12)}
.who .ph img{width:100%;height:100%;object-fit:cover}
.who b{font-family:"Shippori Mincho",serif;font-size:1.2rem;font-weight:600;display:block}
.who .role{color:var(--muted);font-size:.86rem;margin-top:4px}

.op-info{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;font-size:.92rem}
.op-info dt{color:var(--muted);font-size:.76rem;letter-spacing:.08em;margin-top:12px}
.op-info dt:first-child{margin-top:0}
.op-info dd{margin-top:2px}

/* ===== AIチャット案内 ===== */
.ai-note{background:linear-gradient(135deg,#f4f0e6,#eef3ee);border:1px solid var(--line);border-radius:14px;padding:20px 22px;font-size:.9rem;color:var(--ink)}
.ai-note b{color:var(--ac-d)}

/* ===== お問い合わせフォーム ===== */
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.contact-form label{display:block;font-size:.85rem;color:var(--muted);margin-top:14px}
.contact-form input,.contact-form textarea{width:100%;font:inherit;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;margin-top:6px}
.contact-form textarea{min-height:110px;resize:vertical}
.contact-form button{font:inherit;font-weight:700;width:100%;padding:14px;border:0;border-radius:99px;background:var(--ac);color:#fff;margin-top:18px;cursor:pointer}
.contact-form button:hover{background:var(--ac-d)}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.contact-tel{display:block;text-align:center;background:var(--ac);color:#fff;text-decoration:none;font-weight:700;border-radius:14px;padding:20px;margin-bottom:24px;font-size:1.05rem}
.contact-tel span{display:block;font-size:.78rem;font-weight:500;opacity:.88;margin-bottom:4px}

/* ===== footer ===== */
footer{background:var(--ink);color:#d8d4ca;padding:40px 0 108px;font-size:.85rem;margin-top:20px}
footer .fx{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer b{color:#fff;font-family:"Shippori Mincho",serif;letter-spacing:.05em;font-size:1.02rem}
footer nav{margin-top:14px;display:flex;gap:14px;flex-wrap:wrap;font-size:.8rem}
footer nav a{color:#b9b4a8;text-decoration:none;padding:4px 0}
footer nav a:hover{color:#fff}
footer .addr{margin-top:10px;color:#b9b4a8}
footer .addr a{color:#b9b4a8;text-decoration:none}
footer .prev-note{margin-top:26px;padding-top:16px;border-top:1px solid #46443e;font-size:.74rem;color:#9c988c}

/* ===== sticky cta(モバイル) ===== */
.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:60;display:none;grid-template-columns:1fr 1fr;gap:1px;background:#fff;padding-bottom:env(safe-area-inset-bottom)}
.sticky-cta a{padding:15px 8px;text-align:center;font-weight:700;text-decoration:none;font-size:.9rem}
.s-tel{background:var(--ac);color:#fff}
.s-contact{background:var(--ink);color:#fff}
@media(max-width:780px){.sticky-cta{display:grid}}

/* ===== トップページ専用の控えめな演出(署名的演出1) ===== */
html.js .rv{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
html.js .rv.in{opacity:1;transform:none}

/* ===== 375px幅 微調整 ===== */
@media(max-width:430px){
  .logo-t{font-size:.98rem}
  .price-table{font-size:.72rem}
  .op-info{font-size:.88rem}
}