@charset "utf-8";
/* =========================================================
   新潟着付け教室 — 左固定サイドバー型レイアウト
   PC：左に固定サイドバー（ロゴ＋横書きメニュー）＋全面ヒーロー
   SP：上部バー（左ロゴ・右ハンバーガー）
   ========================================================= */

:root{
  --maroon:#471414;
  --maroon-l:#6e3030;
  --wine:#a5193c;
  --text:#333;
  --muted:#666;
  --line:#e6ddcd;
  --bg:#ffffff;
  --button-beige-top:#f5edcf;
  --button-beige-bottom:#d8c780;
  --button-beige-border:#c9b66d;
  --button-beige-hover-top:#eee0ad;
  --button-beige-hover-bottom:#cdb96c;
  --sidebar-w:clamp(260px,16.25vw,312px);
  --sidebar-gap:clamp(14px,1.15vw,22px);
  --sidebar-bg:#ffffff;
  --serif:"Playfair Display","Times New Roman",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,"Noto Sans JP",sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;color:var(--text);
  font-family:var(--sans);font-size:15px;line-height:1.9;
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--maroon);}
a:hover{color:var(--wine);}

/* =========================================================
   サイドバー（PC：左固定）
   ========================================================= */
.sidebar{
  position:fixed;
  left:var(--sidebar-gap);top:var(--sidebar-gap);bottom:var(--sidebar-gap);
  width:calc(var(--sidebar-w) - var(--sidebar-gap) - var(--sidebar-gap));
  background:var(--sidebar-bg);
  border:0;
  border-radius:18px;
  box-shadow:none;
  display:flex;flex-direction:column;align-items:center;
  padding:20px clamp(24px,1.55vw,30px) 16px;z-index:60;
  overflow-y:auto;
  overscroll-behavior:contain;
  scrollbar-width:none;
}
.sidebar::-webkit-scrollbar{display:none;}
.sidebar .logo{line-height:0;flex:none;}
.sidebar .logo picture{display:block;}
.sidebar .logo img{width:130px;max-height:150px;object-fit:contain;}
.nav-toggle{display:none;}

.sidebar-nav{
  width:100%;
  display:flex;flex-direction:column;align-items:stretch;gap:18px;
  margin-top:34px;
}
.sidebar-nav ul{
  list-style:none;margin:0;padding:0;
  display:flex;flex-direction:column;gap:0;width:100%;
}
.sidebar-nav ul a{
  display:flex;align-items:center;justify-content:center;gap:10px;text-align:center;
  font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.04em;
  color:var(--text);text-decoration:none;padding:6px 2px;line-height:1.45;
  transition:color .15s;
}
.sidebar-nav ul a::before{
  content:"";display:none;flex:none;width:6px;height:6px;
  border-top:2px solid currentColor;border-right:2px solid currentColor;
  transform:rotate(45deg);
}
.sidebar-nav ul a:hover,.sidebar-nav ul a.active{
  color:var(--wine);
}

.nav-actions{display:flex;flex-direction:column;align-items:stretch;gap:20px;width:100%;}
.btn-contact{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;text-align:center;
  background:linear-gradient(180deg,var(--button-beige-top),var(--button-beige-bottom));
  border:1px solid var(--button-beige-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.72),0 1px 3px rgba(71,20,20,.12);
  color:var(--maroon);text-decoration:none;
  font-size:13.5px;font-weight:600;padding:11px 8px;border-radius:4px;
  transition:background .18s,box-shadow .18s,transform .18s;
}
.btn-contact:hover{
  background:linear-gradient(180deg,var(--button-beige-hover-top),var(--button-beige-hover-bottom));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.65),0 2px 5px rgba(71,20,20,.16);
  color:var(--maroon);transform:translateY(-1px);
}
.button-icon{
  flex:none;width:20px;height:20px;
  filter:brightness(0) saturate(100%) invert(11%) sepia(35%) saturate(2144%) hue-rotate(321deg) brightness(82%) contrast(98%);
}
.sidebar-info{font-size:11px;line-height:1.55;color:#555;}
.nav-tel{
  display:block;font-family:var(--serif);font-size:20px;font-weight:600;
  color:var(--maroon);text-decoration:none;letter-spacing:.03em;
}
.nav-address{margin:7px 0 8px;}
.nav-map{display:block;}
.nav-map img{width:100%;aspect-ratio:1;object-fit:contain;}
.sidebar-foot{font-size:10px;color:#aaa;letter-spacing:.04em;margin-top:auto;padding-top:12px;text-align:center;}

/* =========================================================
   メイン
   ========================================================= */
.main{margin-left:0;}

/* ---- 全面ヒーロー＋縦書きテキスト ---- */
.hero{
  position:relative;height:90vh;min-height:560px;
  background:url(../image/sakura-hero.jpg) center center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to left,rgba(255,255,255,.62),rgba(255,255,255,.12) 42%,rgba(255,255,255,0) 70%);
}
.hero-text{
  position:absolute;top:40px;right:14%;bottom:40px;z-index:2;
  display:flex;align-items:flex-start;gap:30px;
}
.hero-title{
  writing-mode:vertical-rl;font-family:var(--serif);font-weight:600;
  font-size:clamp(34px,5.8vh,60px);line-height:1.5;letter-spacing:.12em;
  color:var(--maroon);margin:0;
  text-shadow:0 1px 12px rgba(255,255,255,.85);
}
.hero-sub{
  writing-mode:vertical-rl;font-family:var(--serif);
  font-size:clamp(15px,2.1vh,22px);line-height:1.82;
  letter-spacing:clamp(.08em,.22vh,.18em);
  color:#4a3530;margin:0;max-height:100%;
  text-shadow:0 1px 10px rgba(255,255,255,.85);
}
.hero-sub-lower{
  display:inline-block;
  padding-top:clamp(90px,16vh,150px);
}

.v-char{
  display:inline-block;
  opacity:0;
  transform:translateY(.45em);
}
.is-visible .v-char{
  animation:verticalCharIn .46s cubic-bezier(.22,1,.36,1) forwards;
  animation-delay:calc(var(--char-index,0) * 55ms);
}
@keyframes verticalCharIn{
  to{opacity:1;transform:translateY(0);}
}

.js-rise{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .58s ease,transform .58s cubic-bezier(.22,1,.36,1);
}
.js-rise.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* =========================================================
   セクション共通
   ========================================================= */
.section{padding:70px 0 70px var(--sidebar-w);}
.section.tint{
  background-color:#faf7f1;
  background-image:url(../image/washi-texture.svg);
  background-repeat:repeat;
}
.container{max-width:860px;margin:0 auto;padding:0 36px;}
.sec-head{margin:0 0 30px;}
.sec-head .en{display:block;font-size:12px;letter-spacing:.22em;color:var(--wine);text-transform:uppercase;margin-bottom:6px;}
.sec-head h2{
  font-family:var(--serif);font-weight:600;font-size:26px;letter-spacing:.06em;
  color:var(--maroon);margin:0;padding-bottom:14px;position:relative;
}
.sec-head h2::after{content:"";position:absolute;left:0;bottom:0;width:44px;height:2px;background:var(--wine);}
.sub-title{font-family:var(--serif);font-weight:600;font-size:18px;color:var(--maroon);margin:34px 0 12px;}
.sec-lead{color:var(--muted);margin:0 0 30px;line-height:2;}

/* ---- コンセプト・特徴 ---- */
.concept-container{max-width:980px;}
.concept-intro{
  display:grid;grid-template-columns:minmax(0,1fr) 210px;
  gap:70px;align-items:center;margin-bottom:64px;
}
.concept-copy{max-width:610px;}
.concept-en{
  display:block;font-size:12px;letter-spacing:.24em;
  color:var(--wine);text-transform:uppercase;margin-bottom:18px;
}
.concept-copy p{
  margin:0;font-family:var(--serif);font-size:18px;line-height:2.25;
  letter-spacing:.04em;color:#4e4541;
}
.concept-title{
  display:flex;flex-direction:row-reverse;align-items:flex-start;justify-content:center;
  gap:9px;margin:0;font-family:var(--serif);font-weight:500;
}
.concept-title > span{
  writing-mode:vertical-rl;display:block;
  background:linear-gradient(180deg,#471615 0%,#9b6d6d 100%);color:#fff;
  font-size:32px;line-height:1.45;letter-spacing:.2em;padding:18px 9px 20px;
}
.concept-title > span:last-child{margin-top:34px;}

.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 48px;}
.feature{
  min-width:0;
}
.feature:last-child{grid-column:1/-1;max-width:calc(50% - 11px);}
.feature h3{
  display:flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:17px;font-weight:600;color:var(--maroon);
  border-bottom:1px dotted #9b7771;padding:0 0 8px;margin:0 0 14px;
}
.feature h3::before{
  content:"";display:block;flex:none;width:27px;height:27px;
  background:url(../image/title_icon_b.png) center/cover no-repeat;
}
.feature p{margin:0;font-size:13.5px;line-height:1.85;color:#444;}

/* ---- 料金 ---- */
.price{font-size:14px;margin:5px 0;}
.price .label{display:inline-block;min-width:7em;}
.price .arrow{color:#999;padding:0 5px;}
.price .new{font-weight:bold;color:var(--wine);}
.price .tag{display:inline-block;margin-left:.5em;font-size:10.5px;color:#fff;background:#b08a3c;padding:1px 7px;border-radius:3px;vertical-align:middle;}
.note{font-size:12.5px;color:#666;padding-left:1.4em;line-height:1.7;margin:2px 0;}
.tax-note{font-size:12.5px;color:#666;margin:14px 0 0;}

/* ---- カリキュラム（アコーディオン）---- */
details.acc{margin:0 0 10px;border:1px solid var(--line);border-radius:3px;overflow:hidden;}
details.acc>summary{
  cursor:pointer;list-style:none;background:#faf7f1;color:var(--maroon);
  font-family:var(--serif);font-weight:600;font-size:16px;padding:13px 16px;
  display:flex;align-items:center;gap:10px;
}
details.acc>summary::-webkit-details-marker{display:none;}
details.acc>summary::after{content:"＋";margin-left:auto;color:var(--wine);font-weight:bold;}
details.acc[open]>summary::after{content:"−";}
.acc-body{padding:14px 18px;}
.acc-body dl{margin:0;}
.acc-body dt{font-weight:bold;font-size:14px;margin:12px 0 2px;}
.acc-body dt::before{content:"・";color:var(--wine);}
.acc-body dd{margin:0 0 0 1.2em;font-size:13px;color:#555;line-height:1.8;}
.acc-foot{font-size:13.5px;color:#555;margin:18px 0 0;}

.notes-list{list-style:none;padding:0;margin:0;}
.notes-list li{position:relative;padding:0 0 0 1.3em;margin-bottom:11px;font-size:14px;line-height:1.85;}
.notes-list li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;background:var(--maroon);border-radius:50%;}

/* ---- 出張着付 ---- */
.price-table{border-collapse:collapse;width:100%;max-width:460px;font-size:14px;}
.price-table th,.price-table td{border-bottom:1px solid var(--line);padding:10px 6px;text-align:left;}
.price-table th{font-weight:normal;font-family:var(--serif);}
.price-table td{text-align:right;white-space:nowrap;}
.price-table tr:first-child th,.price-table tr:first-child td{border-top:2px solid var(--maroon);}
.bring-list{font-size:13.5px;columns:2;column-gap:32px;padding-left:1.4em;margin:0;}
.bring-list li{margin:0 0 6px;break-inside:avoid;}

/* ---- 講師 ---- */
.teacher{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:center;}
.teacher-name{font-family:var(--serif);font-weight:600;font-size:24px;color:var(--maroon);margin:0 0 14px;}
.teacher-name .en{font-size:14px;color:#a07b3a;margin-left:.6em;letter-spacing:.04em;}
.teacher p{margin:0;color:#555;line-height:2.05;font-size:14.5px;}
.teacher-photo img{width:100%;border-radius:3px;}

/* ---- アクセス ---- */
.access{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start;}
.access-info dl{margin:0;border-top:1px solid var(--line);}
.access-info .row{display:flex;gap:14px;padding:10px 2px;border-bottom:1px solid var(--line);}
.access-info dt{flex:none;width:74px;font-size:12.5px;color:var(--wine);font-weight:bold;padding-top:2px;}
.access-info dd{margin:0;font-size:13.5px;line-height:1.7;}
.access-dir{margin:0;}
.access-dir-title{
  font-family:var(--serif);font-weight:600;font-size:18px;
  color:var(--maroon);margin:0 0 18px;padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.access-dir h4{font-family:var(--serif);font-weight:600;font-size:14.5px;color:var(--maroon);margin:0 0 5px;}
.access-dir p{margin:0 0 16px;font-size:13px;color:#555;line-height:1.9;}
.map-embed{
  position:relative;width:100%;aspect-ratio:2.1/1;
  margin-top:42px;overflow:hidden;
}
.map-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}

/* ---- CTA / フッター ---- */
.cta{
  position:relative;isolation:isolate;
  background-image:url(../image/sakura02.jpg);
  background-position:center 45%;
  background-size:cover;
  background-attachment:fixed;
  background-repeat:no-repeat;
  color:#fff;text-align:center;
  padding:96px 28px 96px calc(var(--sidebar-w) + 28px);
}
.cta::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:rgba(31,25,27,.72);
}
.cta h2{font-family:var(--serif);font-weight:500;font-size:25px;line-height:1.7;color:#fff;margin:0 0 12px;letter-spacing:.06em;}
.cta p{margin:0 0 26px;font-size:14px;line-height:1.9;opacity:.9;}
.cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border:1px solid var(--button-beige-border);border-radius:4px;
  background:linear-gradient(180deg,var(--button-beige-top),var(--button-beige-bottom));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.72),0 2px 6px rgba(0,0,0,.18);
  color:var(--maroon);text-decoration:none;font-size:15px;font-weight:600;
  transition:background .18s,box-shadow .18s,transform .18s;
}
.btn:hover{
  background:linear-gradient(180deg,var(--button-beige-hover-top),var(--button-beige-hover-bottom));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.65),0 3px 8px rgba(0,0,0,.22);
  color:var(--maroon);transform:translateY(-1px);
}
.btn-primary{font-family:var(--serif);font-size:18px;}
.btn-primary .button-icon{width:22px;height:22px;}
.btn-ghost{color:var(--maroon);}

footer{
  background:#2b2521;color:#cfc7bc;
  padding:36px 36px 20px calc(var(--sidebar-w) + 36px);
}
footer .f-inner{max-width:860px;margin:0 auto;}
footer ul{list-style:none;padding:0;margin:0;font-size:13px;line-height:1.95;}
footer a{color:#e3dccf;}
.copyright{text-align:center;font-size:11.5px;color:#9a9186;margin-top:20px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);}

/* =========================================================
   レスポンシブ（スマホ・タブレット）
   ========================================================= */
@media (max-width:900px){
  .sidebar{
    left:0;right:0;bottom:auto;top:0;width:auto;height:60px;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:0 14px;border:0;border-bottom:1px solid var(--line);
    border-radius:0;box-shadow:none;
    overflow:visible;
  }
  .sidebar .logo img{width:190px;height:auto;max-height:46px;object-fit:contain;object-position:left center;}
  .nav-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:42px;height:42px;background:none;border:none;cursor:pointer;z-index:70;
  }
  .nav-toggle span{display:block;width:24px;height:2px;background:var(--maroon);transition:transform .3s,opacity .3s;}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.is-open span:nth-child(2){opacity:0;}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .sidebar-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(80vw,300px);
    background:#fff;box-shadow:-12px 0 40px rgba(0,0,0,.15);
    flex-direction:column;justify-content:flex-start;gap:20px;
    padding:88px 36px 32px;
    margin-top:0;overflow-y:auto;
    transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);z-index:65;
  }
  .sidebar-nav.is-open{transform:none;}
  .sidebar-nav ul{flex-direction:column;gap:2px;}
  .sidebar-nav ul a{
    writing-mode:horizontal-tb;font-size:16px;font-weight:400;
    justify-content:flex-start;text-align:left;
    letter-spacing:.04em;border-right:none;padding:7px 0;
  }
  .sidebar-nav ul a::before{display:block;}
  .sidebar-nav ul a:hover,.sidebar-nav ul a.active{border-right:none;}
  .nav-actions{gap:14px;}
  .sidebar-info{display:block;text-align:center;}
  .sidebar-info .nav-tel{
    display:inline-flex;align-items:center;justify-content:center;gap:7px;
    font-size:18px;font-weight:500;
  }
  .sidebar-info .nav-tel::before{
    content:"";display:block;width:19px;height:19px;
    background:url(../image/call_30dp_FFFFFF_FILL0_wght400_GRAD0_opsz24.svg) center/contain no-repeat;
    filter:brightness(0) saturate(100%) invert(11%) sepia(35%) saturate(2144%) hue-rotate(321deg) brightness(82%) contrast(98%);
  }
  .sidebar-info .nav-address,.sidebar-info .nav-map{display:none;}
  .sidebar-foot{display:none;}

  .main{margin-left:0;margin-top:60px;}
  .section{padding-left:0;}
  .hero{height:72vh;min-height:440px;background-position:38% center;}
  .hero-text{top:32px;right:7%;bottom:32px;gap:18px;}

  .concept-intro{grid-template-columns:minmax(0,1fr) 180px;gap:42px;}
  .concept-title > span{font-size:21px;}

  .teacher,.access{grid-template-columns:1fr;gap:28px;}
  .map-embed{aspect-ratio:16/9;margin-top:34px;}
  .cta{
    padding-left:28px;
    background-attachment:scroll;background-position:center center;
  }
  footer{padding-left:36px;}
  .teacher-photo{order:-1;max-width:380px;}
}

@media (max-width:560px){
  .container{padding:0 22px;}
  .section{padding:52px 0;}
  .concept-intro{
    display:flex;flex-direction:column;align-items:stretch;
    gap:38px;margin-bottom:44px;
  }
  .concept-title{order:-1;align-self:center;}
  .concept-title > span{font-size:20px;padding:16px 8px 18px;}
  .concept-title > span:last-child{margin-top:32px;}
  .concept-copy p{font-size:16px;line-height:2.05;}
  .features{grid-template-columns:1fr;}
  .feature:last-child{grid-column:auto;max-width:none;}
  .map-embed{aspect-ratio:4/3;}
  .bring-list{columns:1;}
  .price .label{min-width:0;display:block;}
  .cta-buttons{flex-direction:column;}
  .btn{width:100%;}
}

@media (prefers-reduced-motion:reduce){
  .v-char,.js-rise{
    opacity:1;
    transform:none;
    transition:none;
    animation:none;
  }
}