/* ---- tokens ---- */
:root{
  --navy: #2D3E69;
  --navy-dark: #1B2542;
  --navy-tint: #EDF0F6;
  --navy-tint-2: #D6DCE9;
  --dark-bg: #0E1116;
  --ink: #222222;
  --muted: #595959;
  --muted-light: #767676;
  --marker-gray: #8C8C8C;
  --contact-bg: #E4E5E6;
  --white: #FFFFFF;
  --required: #B54A4A;

  --font-jp: 'Klee One', 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --font-en: 'Gentium Book Plus', Montserrat, serif;

  --radius-panel: 24px;
  --ease: cubic-bezier(.4,0,.2,1);
  --gutter: 48px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--white);
  font-family:var(--font-jp);
  -webkit-font-smoothing:antialiased;
  color:var(--ink);
}
img{display:block;max-width:100%}
[hidden]{display:none!important}
a{color:var(--navy);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:#8D0808}
input,textarea,select,button{font-family:var(--font-jp)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* ---- keyframes ---- */
@keyframes kb{from{transform:scale(1.06) translate3d(-1.2%,0.8%,0)}to{transform:scale(1.16) translate3d(1.2%,-0.8%,0)}}
@keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes wipeIn{from{opacity:0;clip-path:inset(0 100% 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
@keyframes barGrow{from{width:0}to{width:min(1048px,calc(100% - 96px))}}

/* ---- scroll progress ---- */
.progress-track{position:fixed;top:0;left:0;right:0;height:3px;z-index:40;pointer-events:none;background:transparent}
.progress-bar{height:100%;background:var(--navy);transform-origin:left center;width:100%;transform:scaleX(0);transition:transform .12s linear}

/* ---- header ---- */
.site-header{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:20px var(--gutter);
  background:var(--white);
  border-bottom:1px solid var(--navy-tint-2);
  transition:padding .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{padding:12px var(--gutter);box-shadow:0 2px 16px rgba(27,37,66,.10)}
.site-header__logo{display:block;line-height:0}
.site-header__logo img{height:clamp(44px,6.4vw,72px);width:auto}
.site-header__nav{display:flex;align-items:center;flex-wrap:nowrap;justify-content:flex-end;gap:clamp(14px,2.2vw,36px)}
.site-header__nav a{font:600 clamp(13px,1.15vw,15px)/1 var(--font-en);letter-spacing:.02em;color:var(--navy);white-space:nowrap}
.site-header__nav a:hover{color:var(--navy-dark)}

/* ---- hero ---- */
.hero{position:relative;height:900px;background:var(--dark-bg);overflow:hidden}
.hero__pan{position:absolute;inset:0;overflow:hidden;animation:kb 26s ease-in-out infinite alternate;will-change:transform}
.hero__image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__overlay{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(14,17,22,.35) 0%,rgba(14,17,22,.15) 45%,rgba(14,17,22,.72) 100%)}
.hero__content{position:absolute;left:var(--gutter);bottom:120px;z-index:2;pointer-events:none;max-width:calc(100% - 96px)}
.hero__eyebrow{display:block;margin-bottom:24px;font:700 22px/1 var(--font-en);letter-spacing:.04em;color:#fff}
.hero__title{margin:0;animation:wipeIn 1.1s var(--ease) both .15s;font:900 clamp(34px,4.7vw,68px)/1.5 var(--font-jp);letter-spacing:.04em;color:#fff}
.hero__lead{margin:40px 0 0;animation:riseIn .9s var(--ease) both .6s;max-width:680px;font:400 20px/2 var(--font-jp);letter-spacing:.06em;color:rgba(255,255,255,.82)}
.hero__bar{position:absolute;left:var(--gutter);bottom:0;height:8px;width:0;max-width:min(1048px,calc(100% - 96px));background:var(--navy);animation:barGrow 1s var(--ease) both .9s}
.hero__scroll{position:absolute;right:var(--gutter);bottom:48px;display:flex;flex-direction:column;align-items:center;gap:16px;z-index:2}
.hero__scroll-label{writing-mode:vertical-rl;font:600 14px/1 var(--font-en);letter-spacing:.1em;color:rgba(255,255,255,.7)}
.hero__scroll-line{position:relative;display:block;width:1px;height:64px;background:rgba(255,255,255,.28)}
/* スマホでのみ有効になる改行 */
.br-sp{display:none}

/* ---- reveal-on-scroll ---- */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
[data-reveal] > * {opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-visible > *{opacity:1;transform:none}

/* ---- shared section scaffolding ---- */
.section{padding:160px var(--gutter) 0;background:#fff;scroll-margin-top:96px}
.panel{max-width:1344px;margin:0 auto}
.section-head{max-width:1344px;margin:0 auto}
.eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.eyebrow__dot{width:7px;height:7px;border-radius:9999px;background:var(--marker-gray);display:block}
.eyebrow__dot--navy{background:var(--navy)}
.eyebrow__text{font:700 20px/1 var(--font-en);letter-spacing:.04em;color:var(--navy)}
.section-display{margin:0;font:600 clamp(40px,5vw,64px)/1.05 var(--font-en);letter-spacing:-.01em;text-transform:uppercase;color:var(--navy)}
.section-sub{margin:28px 0 0;font:700 22px/1.5 var(--font-jp);letter-spacing:.08em;color:var(--navy)}
.body-copy{margin:24px 0 0;font:400 16px/2 var(--font-jp);letter-spacing:.06em;color:var(--muted);max-width:720px}
.label-en{font:600 14px/1 var(--font-en);letter-spacing:.1em;color:var(--navy)}
.label-en--muted{color:var(--muted)}

.vlabel{display:flex;flex-direction:column;align-items:center;gap:12px;padding-top:6px}
.vlabel__dot{width:7px;height:7px;border-radius:9999px;display:block}
.vlabel__dot--gray{background:var(--marker-gray)}
.vlabel__dot--navy{background:var(--navy)}
.vlabel__text{writing-mode:vertical-rl;margin-top:8px;font:600 14px/1 var(--font-en);letter-spacing:.1em;color:var(--ink)}

.btn{display:inline-flex;align-items:center;border-radius:9999px;font:700 16px/1 var(--font-en);letter-spacing:.02em;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);border:none;text-decoration:none}
.btn__label{flex:1;text-align:left}
.btn__icon{display:flex;align-items:center;justify-content:center;width:64px}
.btn--pill-light{height:56px;width:min(240px,100%);padding-left:32px;background:linear-gradient(135deg,#F2F2F2 0%,#D6D8D9 100%);color:var(--ink)}
.btn--pill-light .btn__icon{height:56px;border-left:1px solid rgba(34,34,34,.25)}
.btn--pill-light:hover{background:linear-gradient(135deg,#E4E5E6 0%,#C2C5C7 100%);color:var(--ink);transform:translateY(-2px)}
.btn--solid-navy{height:64px;width:min(280px,100%);padding-left:32px;background:var(--navy);color:#fff}
.btn--solid-navy .btn__icon{height:64px;border-left:1px solid rgba(255,255,255,.3)}
.btn--solid-navy:hover{background:var(--navy-dark);color:#fff;transform:translateY(-2px)}
.btn--outline-navy{height:56px;padding:0 32px;border:1px solid var(--navy);background:transparent;color:var(--navy);margin-top:40px;font:700 15px/1 var(--font-en);letter-spacing:.02em}
.btn--outline-navy:hover{background:var(--navy);color:#fff}

/* ---- about ---- */
.about__panel{padding:clamp(40px,6vw,96px);background:var(--navy-tint);border-radius:var(--radius-panel);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr));gap:clamp(32px,4vw,64px);align-items:center}
.about__intro{display:flex;gap:32px;min-width:0}
.about__text{min-width:0}
.about__body{margin-top:64px}
/* 概要文とCTAの間に本文1行分(line-height 2 x 16px)の余白 */
.about__text .btn{margin-top:32px}
.about__media{position:relative;aspect-ratio:5/4;border-radius:12px;overflow:hidden;min-width:0}
.about__media img{width:100%;height:100%;object-fit:cover}

/* ---- service ---- */
.service__lead{margin-top:32px}
.service__index{max-width:1344px;margin:80px auto 0;display:flex;flex-direction:column;gap:0}
.service__row{display:grid;grid-template-columns:minmax(0,1fr) 56px;gap:24px;align-items:start;padding:56px 40px;border-top:1px solid var(--navy-tint-2);background:#fff;color:var(--ink);transition:background .3s var(--ease)}
.service__row--tint{background:#F7F8FA;border-bottom:1px solid var(--navy-tint-2)}
.service__row:last-child{border-bottom:1px solid var(--navy-tint-2)}
.service__row:hover{background:var(--navy-tint)}
.service__row--tint:hover{background:var(--navy-tint)}
.service__num{font:600 14px/1.8 var(--font-en);letter-spacing:.1em;color:var(--navy)}
.service__row-body{min-width:0;display:block}
.service__row-title{display:block;font:700 28px/1.5 var(--font-jp);letter-spacing:.06em;color:var(--navy)}
.service__row-desc{display:block;margin-top:20px;max-width:680px;font:400 15px/1.9 var(--font-jp);letter-spacing:.06em;color:var(--muted)}
.tag-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.tag{display:inline-flex;align-items:center;height:40px;padding:0 20px;border:1px solid var(--navy-tint-2);border-radius:9999px;background:#fff;font:400 14px/1 var(--font-jp);color:var(--ink)}
.service__arrow{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border:1px solid var(--navy);border-radius:9999px;font:400 18px/1 var(--font-jp);color:var(--navy);transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.service__row:hover .service__arrow{background:var(--navy);color:#fff;transform:translateX(4px)}
.service__quote{max-width:1344px;margin:64px auto 0;text-align:center;font:400 16px/1.9 var(--font-jp);letter-spacing:.06em;color:var(--muted)}
.service__quote strong{font-weight:700;color:var(--ink)}

.service__detail{max-width:1344px;margin:120px auto 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr));gap:clamp(40px,5vw,80px);align-items:center;scroll-margin-top:96px}
.service__detail-text{min-width:0}
.service__detail-title{margin:20px 0 0;font:700 clamp(28px,3vw,36px)/1.5 var(--font-jp);letter-spacing:.06em;color:var(--navy)}
.service__detail-media{position:relative;aspect-ratio:4/3;border-radius:16px;overflow:hidden;min-width:0}
.service__detail-media img{width:100%;height:100%;object-fit:cover}
.service__detail--reverse .service__detail-media{order:-1}

.check-list{margin:36px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:18px}
.check-list li{display:flex;gap:14px;align-items:baseline}
.check-list__mark{font:700 15px/1.7 var(--font-jp);color:var(--navy);flex:none}
.check-list li span:last-child{font:400 15px/1.7 var(--font-jp);letter-spacing:.04em;color:var(--ink)}

.flow{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:32px}
.flow__step{display:inline-flex;align-items:center;height:44px;padding:0 20px;border:1px solid var(--navy-tint-2);border-radius:8px;background:#fff;font:700 14px/1 var(--font-jp);color:var(--ink)}
.flow__arrow{font:400 15px/1 var(--font-jp);color:var(--marker-gray)}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(180px,100%),1fr));gap:16px;margin-top:36px}
.steps__card{padding:24px;border:1px solid var(--navy-tint-2);border-radius:12px;background:#fff;transition:transform .25s,border-color .25s}
.steps__card:hover{transform:translateY(-4px);border-color:var(--navy)}
.steps__title{margin:0;font:700 15px/1.6 var(--font-jp);letter-spacing:.06em;color:var(--navy)}
.steps__desc{margin:12px 0 0;font:400 14px/1.8 var(--font-jp);letter-spacing:.04em;color:var(--muted)}

/* ---- company ---- */
/* 見出し列は画面幅に応じて縮小し、内容列の折り返しを抑える（PCでは従来どおり180px/32px） */
.company__table{margin:64px auto 0;max-width:880px;min-width:0;display:grid;grid-template-columns:clamp(88px,14vw,180px) minmax(0,1fr);column-gap:clamp(16px,2.3vw,32px)}
.company__table dt{padding:20px 0;border-top:1px solid var(--navy-tint-2);font:700 15px/1.8 var(--font-jp);letter-spacing:.08em;color:var(--ink)}
.company__table dd{margin:0;padding:20px 0;border-top:1px solid var(--navy-tint-2);font:400 15px/1.8 var(--font-jp);letter-spacing:.06em;color:var(--muted)}
.company__table-last{border-bottom:1px solid var(--navy-tint-2)}

/* ---- contact ---- */
.contact{padding-bottom:160px}
.contact__panel{padding:clamp(48px,6vw,96px);background:var(--contact-bg);border-radius:var(--radius-panel);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:clamp(40px,5vw,96px);align-items:start}
.contact__intro{min-width:0}
.contact__heading{margin:24px 0 0;font:700 clamp(24px,2.4vw,30px)/1.6 var(--font-jp);letter-spacing:.06em;color:var(--navy)}
.contact__note{margin:40px 0 0;font:400 14px/1.9 var(--font-jp);letter-spacing:.04em;color:var(--muted-light)}
.contact__form-wrap{min-width:0}

.contact__thanks{padding:48px;background:var(--navy-tint);border-radius:16px;animation:riseIn .6s var(--ease) both}
.contact__thanks-title{margin:20px 0 0;font:700 24px/1.6 var(--font-jp);letter-spacing:.06em;color:var(--ink)}

.contact__form{display:flex;flex-direction:column;gap:28px}
.field{display:flex;flex-direction:column;gap:12px}
.field__label{font:700 14px/1.6 var(--font-jp);letter-spacing:.08em;color:var(--ink)}
.required{color:var(--required)}
.field input,.field select{height:56px;padding:0 20px}
.field input,.field select,.field textarea{
  border:1px solid rgba(34,34,34,.28);border-radius:8px;background:#fff;
  font:400 15px/1 var(--font-jp);color:var(--ink);outline:none;transition:border-color .2s;
}
.field textarea{padding:20px;font:400 15px/1.9 var(--font-jp);resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink)}
.contact__disclaimer{margin:0;font:400 13px/1.7 var(--font-jp);color:var(--muted-light)}
/* Netlify honeypot: must stay focusable-free but present in the DOM. */
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.contact__error{margin:0;padding:16px 20px;border-radius:8px;background:#F6E7E7;font:400 14px/1.8 var(--font-jp);letter-spacing:.04em;color:#8A3A3A}
.btn:disabled{opacity:.6;cursor:progress}
.btn--solid-navy:disabled:hover{background:var(--navy);transform:none}

/* ---- footer ---- */
.site-footer{padding:96px var(--gutter) 40px;background:var(--navy-tint);border-top:1px solid var(--navy-tint-2)}
.site-footer__top{max-width:1344px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:48px;align-items:start}
.site-footer__logo{height:60px;width:auto}
.site-footer__nav{display:flex;flex-direction:column;gap:16px}
.site-footer__nav a{font:400 15px/1 var(--font-jp);color:var(--ink)}
.site-footer__nav a:hover{color:var(--navy)}
.label-en--footer{font:600 12px/1 var(--font-en);letter-spacing:.1em;color:var(--muted)}
.site-footer__bottom{max-width:1344px;margin:64px auto 0;padding-top:24px;border-top:1px solid var(--navy-tint-2);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.site-footer__bottom span{font:400 13px/1 var(--font-jp);letter-spacing:.06em;color:var(--muted)}
.site-footer__brand{font:600 12px/1 var(--font-en)!important;letter-spacing:.1em;color:var(--navy)!important}

/* ---- focus ---- */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--navy);outline-offset:3px;
}

/* ---- responsive ---- */
@media (max-width:640px){
  :root{--gutter:20px}
  /* ハンバーガー無しでナビが折り返すため、スマホではロゴを抑えてヘッダー高を確保 */
  .site-header{flex-direction:column;gap:12px;padding:14px var(--gutter)}
  .site-header.is-scrolled{padding:10px var(--gutter)}
  .site-header__logo img{height:40px}
  .site-header__nav{width:100%;justify-content:space-between;gap:8px}
  .site-header__nav a{font-size:12px}
  .site-footer__logo{height:48px}
  .hero{height:760px}
  /* 見出しを3行に分けるため、コンテンツ幅を左右ガター分のみ残して最大化 */
  .hero__content{bottom:88px;max-width:calc(100% - (var(--gutter) * 2))}
  .br-sp{display:inline}
  .hero__title{font-size:30px}
  .hero__lead{font-size:16px}
  .about__intro{flex-direction:column;gap:20px}
  .vlabel{flex-direction:row;padding-top:0}
  .vlabel__text{writing-mode:horizontal-tb;margin-top:0}
  .service__row{grid-template-columns:1fr;gap:16px;padding:32px 24px}
  .service__arrow{justify-self:start}
  /* 横幅が狭いためパネル内余白を圧縮し、本文の1行あたりの文字数を確保 */
  .about__panel{padding:28px}
  .contact__panel{padding:28px}
  .contact__thanks{padding:28px}
  .body-copy{letter-spacing:.03em}
}