/* MICHIREA 共通スタイル */
:root{
  --navy:#0D1B2A;      /* Deep Navy：信頼・専門性 */
  --ink:#1B3A57;       /* Ink Blue：誠実・安定感 */
  --teal:#2D6B80;      /* Aqua Teal：前進・つながり */
  --aqua:#3CBDB7;      /* アクセント */
  --soft:#E6F2F2;      /* Soft Blue：やさしさ・安心感 */
  --white:#FAFAFA;     /* Warm White：清潔感・明るさ */
  --footer:#061C2E;
  --text:#22323F;
  --mute:#5F7280;
  --line:#DCE6E8;
  --serif:"Noto Serif JP","Yu Mincho",serif;
  --sans:"Noto Sans JP","Yu Gothic",-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font-family:var(--sans);line-height:1.9;font-size:15.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal)}
.wrap{width:min(1120px,100% - 40px);margin:0 auto}
.narrow{width:min(800px,100% - 40px);margin:0 auto}

/* ヘッダー */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand img{height:52px;width:auto}
.gnav{display:flex;align-items:center;gap:26px}
.gnav a{color:var(--navy);text-decoration:none;font-size:14px;font-weight:500;letter-spacing:.04em;position:relative;padding:4px 0;white-space:nowrap}
.gnav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--aqua);transform:scaleX(0);transition:transform .25s}
.gnav a:not(.btn):hover::after,.gnav a[aria-current="page"]::after{transform:scaleX(1)}
.gnav .btn{padding:10px 20px;font-size:13.5px}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;font-size:20px;color:var(--navy);cursor:pointer}

/* ボタン */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:15px 30px;border-radius:999px;background:var(--teal);color:#fff;text-decoration:none;font-weight:700;letter-spacing:.05em;border:2px solid var(--teal);transition:background .2s,color .2s,transform .2s;cursor:pointer;font-family:inherit;font-size:15px}
.btn:hover{background:var(--ink);border-color:var(--ink);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn.ghost:hover{background:#fff;color:var(--navy)}
.btn.line{background:transparent;color:var(--teal)}
.btn.line:hover{background:var(--teal);color:#fff}

/* 見出し */
.section{padding:96px 0}
.section.tint{background:var(--white)}
.section.soft{background:var(--soft)}
.sec-head{text-align:center;margin-bottom:52px}
.eyebrow{display:block;font-family:var(--serif);font-size:13px;letter-spacing:.32em;color:var(--aqua);font-weight:600;margin-bottom:10px}
h1,h2,h3{font-family:var(--serif);color:var(--navy);font-weight:600;line-height:1.5;letter-spacing:.04em;margin:0}
.sec-head h2{font-size:clamp(25px,3.4vw,36px)}
.sec-head p{color:var(--mute);margin:16px auto 0;max-width:640px}
.lead{font-size:17px;color:var(--mute)}

/* ヒーロー（トップ） */
.hero{position:relative;min-height:min(86vh,720px);display:flex;align-items:center;color:#fff;background:var(--navy) url(img/hero-mountain.jpg) center/cover no-repeat;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,27,42,.92) 0%,rgba(13,27,42,.7) 45%,rgba(13,27,42,.15) 100%)}
.hero .wrap{position:relative}
.hero-tag{font-family:var(--serif);letter-spacing:.3em;color:var(--aqua);font-size:13px}
.hero h1{color:#fff;font-size:clamp(30px,5vw,54px);margin:18px 0 22px;line-height:1.45}
.hero p{max-width:520px;color:#D5E2E8;font-size:16px}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* 下層ページのタイトル */
.page-hero{background:linear-gradient(135deg,var(--navy) 0%,var(--ink) 60%,var(--teal) 130%);color:#fff;padding:78px 0 70px;text-align:center}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,40px)}
.page-hero p{color:#C9D9E0;margin:14px auto 0;max-width:620px}
.page-hero .catch{font-family:var(--serif);font-size:clamp(19px,2.6vw,26px);color:#fff;letter-spacing:.06em;line-height:1.6;margin-top:20px;max-width:none}
.page-hero .catch+p{margin-top:8px;font-size:14.5px}
.crumb{font-size:12px;color:#9FB6C1;margin-top:18px}
.crumb a{color:#9FB6C1}

/* カード */
.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)}
.g5{grid-template-columns:repeat(5,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 26px;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -18px rgba(13,27,42,.25)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{margin:0;color:var(--mute);font-size:14.5px}
.card .num{font-family:var(--serif);color:var(--aqua);font-size:14px;letter-spacing:.2em;display:block;margin-bottom:8px}
.icon{width:54px;height:54px;border-radius:50%;background:var(--soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--teal)}
.icon svg{width:26px;height:26px}
.card .more{display:inline-block;margin-top:16px;font-size:14px;font-weight:700;text-decoration:none}

/* 2カラム（画像＋文） */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev>:first-child{order:2}
.split img{border-radius:16px;box-shadow:0 24px 50px -24px rgba(13,27,42,.35)}
.split h2{font-size:clamp(24px,3vw,32px);margin-bottom:18px}
.split p{color:var(--mute)}

/* 想い（3つ） */
.value{display:flex;gap:18px;align-items:flex-start;padding:24px 0;border-bottom:1px solid var(--line)}
.value:last-child{border-bottom:none}
.value .mark{flex:0 0 52px;height:52px;border-radius:50%;background:var(--navy);color:var(--aqua);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:20px}
.value h3{font-size:18px;margin-bottom:4px}
.value p{margin:0;color:var(--mute)}

/* 制作実績 */
.work{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.work:hover{transform:translateY(-4px);box-shadow:0 18px 40px -18px rgba(13,27,42,.3)}
.work .ph{aspect-ratio:4/3;overflow:hidden;background:var(--soft)}
.work .ph img{width:100%;height:100%;object-fit:cover;object-position:top}
.work .body{padding:20px 22px 24px}
.work .cat,.tag{display:inline-block;font-size:11px;letter-spacing:.12em;color:var(--teal);background:var(--soft);border-radius:999px;padding:3px 12px;font-weight:700}
.work h3{font-size:17px;margin:10px 0 6px}
.work p{margin:0;font-size:14px;color:var(--mute)}
.work-feature{margin:0 0 70px}
.work-feature .frame{background:var(--navy);border-radius:20px;padding:14px;box-shadow:0 30px 60px -30px rgba(13,27,42,.5)}
.work-feature .frame img{border-radius:10px;width:100%;cursor:zoom-in}
.work-feature .cap{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:20px}
.work-feature .cap h3{font-size:clamp(22px,2.6vw,28px);margin-top:8px}
.work-feature .cap p{margin:0;color:var(--mute);max-width:520px}
.posters{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.poster{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.poster img{aspect-ratio:4/5;width:100%;object-fit:contain;background:#EEF2F2;cursor:zoom-in}
.poster figcaption{padding:10px 12px;font-size:13px;font-weight:700;color:var(--navy)}
.poster figcaption small{display:block;font-weight:400;color:var(--mute);font-size:11px;letter-spacing:.08em}
.note{font-size:12.5px;color:var(--mute);text-align:center;margin-top:26px}

/* 画像の拡大表示 */
.lightbox{position:fixed;inset:0;background:rgba(6,20,32,.92);display:none;align-items:center;justify-content:center;z-index:200;padding:20px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-height:92vh;max-width:96vw;width:auto;border-radius:8px}

/* 流れ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:f}
.flow li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 18px;text-align:center;position:relative}
.flow li::before{counter-increment:f;content:"0" counter(f);display:block;font-family:var(--serif);font-size:24px;color:var(--aqua);margin-bottom:6px}
.flow li b{display:block;color:var(--navy);font-size:16px;margin-bottom:6px}
.flow li span{font-size:13.5px;color:var(--mute);line-height:1.8;display:block}
.flow{padding:0;margin:0}

/* 料金 */
.price-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px 26px;display:flex;flex-direction:column}
.price.pick{border:2px solid var(--teal);position:relative}
.price.pick::before{content:"おすすめ";position:absolute;top:-13px;left:24px;background:var(--teal);color:#fff;font-size:12px;font-weight:700;padding:2px 14px;border-radius:999px}
.price h3{font-size:18px}
.price .yen{font-family:var(--serif);font-size:32px;color:var(--navy);font-weight:600;margin:12px 0 4px}
.price .yen small{font-size:14px;color:var(--mute);font-weight:400;margin-left:2px}
.price p{margin:0 0 14px;color:var(--mute);font-size:14px}
.price ul{margin:auto 0 0;padding:16px 0 0;border-top:1px dashed var(--line);list-style:none;font-size:14px}
.price li{padding-left:22px;position:relative;margin:4px 0}
.price li::before{content:"✓";position:absolute;left:0;color:var(--aqua);font-weight:700}
.included{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:32px}
.included span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:14px;color:var(--navy)}

/* よくある質問 */
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 24px}
.faq summary{cursor:pointer;padding:20px 0;font-weight:700;color:var(--navy);list-style:none;position:relative;padding-right:30px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q.";color:var(--aqua);font-family:var(--serif);margin-right:10px}
.faq summary::after{content:"＋";position:absolute;right:0;color:var(--teal)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 20px;color:var(--mute)}

/* お問い合わせへの誘導 */
.cta{background:linear-gradient(120deg,var(--navy),var(--ink) 70%,var(--teal));color:#fff;text-align:center;padding:84px 0}
.cta h2{color:#fff;font-size:clamp(23px,3vw,32px)}
.cta p{color:#C9D9E0;margin:16px auto 30px;max-width:560px}

/* お問い合わせフォーム */
.contact-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:44px 40px;box-shadow:0 30px 60px -40px rgba(13,27,42,.35)}
.contact-form{display:grid;gap:22px}
.contact-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.contact-form label{display:block;font-size:14px;font-weight:700;color:var(--navy);margin-bottom:8px}
.contact-form .req,.contact-form .opt{font-size:11px;border-radius:4px;padding:1px 8px;margin-left:8px;vertical-align:1px;font-weight:700}
.contact-form .req{background:var(--teal);color:#fff}
.contact-form .opt{background:var(--soft);color:var(--mute)}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;font:inherit;font-size:15px;padding:13px 15px;border:1px solid #C9D6DA;border-radius:10px;background:var(--white);color:var(--text)}
.contact-form textarea{min-height:170px;resize:vertical}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--aqua);box-shadow:0 0 0 3px rgba(60,189,183,.18);background:#fff}
.contact-form .btn{width:100%;padding:18px;font-size:16px}
.form-note{font-size:12.5px;color:var(--mute);text-align:center;margin:0}
.hp-field{position:absolute;left:-9999px}
.thanks{display:none;text-align:center;padding:30px 10px}
.thanks h3{font-size:22px;margin-bottom:12px}
.thanks p{color:var(--mute)}
.contact-alt{text-align:center;margin-top:28px;color:var(--mute);font-size:14px}
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px}
.points div{background:var(--white);border-radius:14px;padding:20px;text-align:center;font-size:14px;color:var(--mute)}
.points b{display:block;color:var(--navy);font-size:15.5px;margin-bottom:4px}

/* フッター */
.site-footer{background:var(--footer);color:#AFC2CC;padding:64px 0 30px;font-size:14px}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer img{height:62px;width:auto;margin-bottom:14px}
.site-footer h4{color:#fff;font-family:var(--serif);font-weight:500;font-size:15px;margin:0 0 14px;letter-spacing:.1em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:6px 0}
.site-footer a{color:#AFC2CC;text-decoration:none}
.site-footer a:hover{color:var(--aqua)}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;text-align:center;font-size:12px;color:#7D93A0}

/* チャット窓口 */
#mc-launch{position:fixed;right:20px;bottom:20px;z-index:90;background:var(--teal);color:#fff;border:none;border-radius:999px;padding:14px 22px;font:inherit;font-weight:700;font-size:14px;cursor:pointer;box-shadow:0 12px 30px -10px rgba(13,27,42,.6)}
#mc-launch:hover{background:var(--ink)}
#mc-box{position:fixed;right:20px;bottom:84px;z-index:91;width:min(340px,calc(100vw - 32px));background:#fff;border-radius:18px;box-shadow:0 24px 60px -20px rgba(13,27,42,.45);overflow:hidden;display:none;border:1px solid var(--line)}
#mc-box.open{display:block}
.mc-head{background:var(--navy);color:#fff;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:14px}
.mc-head button{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;line-height:1}
.mc-body{padding:18px;font-size:14px}
.mc-msg{background:var(--soft);border-radius:12px;padding:12px 14px;margin-bottom:14px;line-height:1.75}
.mc-msg a{font-weight:700}
.mc-actions{display:flex;flex-wrap:wrap;gap:8px}
.mc-actions button,.mc-actions a{border:1px solid var(--teal);background:#fff;color:var(--teal);border-radius:999px;padding:7px 14px;font:inherit;font-size:13px;cursor:pointer;text-decoration:none;font-weight:700}
.mc-actions a{background:var(--teal);color:#fff}

/* フェードイン */
.fade{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.fade.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.fade{opacity:1;transform:none}html{scroll-behavior:auto}}

/* タブレット・スマホ */
@media (max-width:980px){
  .g4,.g5,.flow{grid-template-columns:repeat(2,1fr)}
  .g3,.price-list{grid-template-columns:1fr 1fr}
  .posters{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split.rev>:first-child{order:0}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:1000px){
  .menu-btn{display:block}
  .gnav{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;border-bottom:1px solid var(--line);display:none;box-shadow:0 20px 30px -20px rgba(13,27,42,.3)}
  .gnav.open{display:flex}
  .gnav a{padding:14px 4px;border-bottom:1px solid var(--line)}
  .gnav a:not(.btn)::after{display:none}
  .gnav .btn{margin-top:14px;border-bottom:none;padding:14px}
}
@media (max-width:640px){
  body{font-size:15px}
  .section{padding:68px 0}
  .wrap,.narrow{width:calc(100% - 32px)}
  .brand img{height:44px}
  .g2,.g3,.g4,.price-list,.contact-form .row2,.points{grid-template-columns:1fr}
  .g5,.flow{grid-template-columns:1fr 1fr}
  .posters{grid-template-columns:1fr 1fr}
  .hero{min-height:auto;padding:90px 0 80px}
  .hero::before{background:linear-gradient(180deg,rgba(13,27,42,.75),rgba(13,27,42,.9))}
  .hero .actions .btn{width:100%}
  .work-feature .cap{display:block}
  .work-feature .cap p{margin-top:8px}
  .contact-box{padding:30px 20px}
  .site-footer .cols{grid-template-columns:1fr}
  #mc-launch{right:14px;bottom:14px}
}