/* つどいラボ コーポレートサイト（corporate-site/DESIGN.md 準拠。トークンは web-lp/DESIGN.md と同じ） */
:root{
  --c-ai:#000066;
  --c-sky:#1CACE3;
  --c-blue:#2583C5;
  --c-blue-text:#1F6FAE;
  --c-mist:#EAF0F6;
  --c-mist-line:#D9D8D0;
  --c-yellow:#FFD84D;
  --c-yellow-dark:#FFC51A;
  --c-paper:#FAFAF7;
  --c-wall:#F2F1EC;
  --c-text:#23233F;
  --c-sub:#5A5E78;
  --c-rule:#DEDDD5;
  --c-ink:#16161D;
  --c-hair:#CFCFC6;
  --ease:cubic-bezier(.2,.8,.2,1);
  --c-bubble:#DCEFF9;
  --c-error:#B72402;

  --ff-head:"Shippori Mincho B1","Yu Mincho",serif;
  --ff-body:"BIZ UDPGothic","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Meiryo",sans-serif;

  --fs-hero-c:clamp(1.4rem,1.1rem + 1.7vw,2.75rem);
  --fs-h1:clamp(1.75rem,1.2rem + 2.4vw,2.75rem);
  --fs-h2:clamp(1.5rem,1rem + 2.2vw,2.25rem);
  --fs-h3:clamp(1.1875rem,1rem + .6vw,1.5rem);
  --fs-lead:clamp(1.125rem,1.05rem + .3vw,1.25rem);
  --fs-body:clamp(1.0625rem,1rem + .2vw,1.125rem);
  --fs-small:.875rem;
  --fs-fig:clamp(1.75rem,1.3rem + 1.8vw,2.5rem);
  --fs-price:clamp(2.25rem,1.6rem + 2.4vw,3.5rem);
  --rail:2px;

  --section-y:clamp(4rem,3rem + 5vw,7rem);
  --gutter:clamp(1.25rem,5vw,2.5rem);
  --container:68rem;
  --measure:36em;
  --header-h:3.75rem;
}
@media (min-width:1024px){:root{--header-h:4.5rem}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff-body);font-size:var(--fs-body);line-height:1.9;color:var(--c-text);background:var(--c-paper);overflow-wrap:anywhere;word-break:normal;line-break:strict}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--c-ai)}
:focus-visible{outline:3px solid var(--c-ai);outline-offset:2px;box-shadow:0 0 0 2px #fff}
.section--ai :focus-visible,.site-footer :focus-visible{outline-color:#fff;box-shadow:0 0 0 2px var(--c-ai)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:#fff;padding:.75rem 1rem;font-weight:700}
.skip:focus{left:1rem;top:1rem}

.container{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section-y)}
.section--wall{background:var(--c-wall)}
.section--mist{background:var(--c-mist)}
.section--ai{background:var(--c-ai);color:#fff}
.measure{max-width:var(--measure)}
.mt-s{margin-top:.5rem}.mt-m{margin-top:1rem}.mt-l{margin-top:2rem}.mt-xl{margin-top:3rem}
.stack > * + *{margin-top:1em}

/* 見出し */
.h1{font-family:var(--ff-head);font-weight:900;font-size:var(--fs-h1);line-height:1.4;color:var(--c-ai);font-feature-settings:"palt";letter-spacing:.01em;text-wrap:balance;word-break:auto-phrase}
.h2{font-family:var(--ff-head);font-weight:900;font-size:var(--fs-h2);line-height:1.4;color:var(--c-ai);font-feature-settings:"palt";letter-spacing:.01em;text-wrap:balance;word-break:auto-phrase;margin-bottom:1.5rem}
.h2::before{content:"";display:block;width:32px;height:3px;background:var(--c-sky);margin-bottom:.9rem}
.h2--plain::before{display:none}
.section--ai .h2{color:#fff}
.h3{font-size:var(--fs-h3);font-weight:700;line-height:1.5;color:var(--c-ai);word-break:auto-phrase}
.lead{font-size:var(--fs-lead);font-weight:700;line-height:1.7}
.nb{display:inline-block;white-space:nowrap}
.note{font-size:var(--fs-small);color:var(--c-sub);line-height:1.7}

/* ロゴ */
.brand{display:inline-flex;align-items:center;min-height:44px;line-height:0;flex:none}
.brand__img{height:36px;width:auto}
@media (min-width:1024px){.site-header .brand__img{height:44px}}

/* ボタン・リンク */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:.5rem 2rem;border:2px solid var(--c-ai);border-radius:8px;background:var(--c-yellow);color:var(--c-ai);font-family:var(--ff-body);font-weight:700;font-size:1.0625rem;line-height:1.4;text-decoration:none;cursor:pointer;transition:transform .1s,background-color .15s;white-space:nowrap}
.btn:hover{background:var(--c-yellow-dark)}
.btn:active{transform:translateY(1px)}
.btn--header{min-height:44px;padding:.25rem 1.25rem;font-size:1rem}
.text-link{display:inline-flex;align-items:center;gap:.35em;min-height:48px;font-weight:700;color:var(--c-ai);text-decoration:underline;text-underline-offset:.2em}
.text-link--white{color:#fff}
.links{display:flex;flex-wrap:wrap;column-gap:2rem;margin-top:1rem}
@media (max-width:599px){.links{flex-direction:column}}
.tag{display:inline-block;background:var(--c-ai);color:#fff;font-size:var(--fs-small);font-weight:700;line-height:1.5;padding:.15em .65em;border-radius:4px;white-space:nowrap}

/* ヘッダー */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--c-rule)}
.site-header__inner{display:flex;align-items:center;gap:1rem;height:var(--header-h)}
.gnav{margin-left:auto;display:none}
.gnav ul{display:flex;gap:1.5rem}
.gnav a{font-weight:700;text-decoration:none;color:var(--c-ai);display:inline-block;padding:.5rem 0;border-bottom:2px solid transparent;font-size:1rem}
.gnav a:hover{border-bottom-color:var(--c-mist-line)}
.gnav a[aria-current="page"]{border-bottom-color:var(--c-ai)}
.btn--header{display:none}
.menu-btn{margin-left:auto;min-height:44px;min-width:72px;padding:0 1rem;border:2px solid var(--c-ai);border-radius:999px;background:#fff;color:var(--c-ai);font:700 .9375rem/1 var(--ff-body);letter-spacing:.06em;cursor:pointer}
.menu-btn--close{min-height:48px;min-width:88px}
@media (min-width:1024px){
  .gnav,.btn--header{display:inline-flex}
  .site-header .menu-btn{display:none}
}
.menu{margin:0;padding:0;border:0;width:100%;max-width:100%;height:100%;max-height:100%;background:#fff;color:var(--c-text)}
.menu[open]{display:flex;flex-direction:column}
.menu::backdrop{background:rgba(0,0,102,.4)}
.menu__head{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);padding-inline:var(--gutter);border-bottom:1px solid var(--c-rule)}
.menu__list{padding:1rem var(--gutter)}
.menu__list a{display:flex;align-items:center;min-height:64px;border-bottom:1px solid var(--c-rule);font-weight:700;font-size:1.125rem;text-decoration:none}
.menu__list a[aria-current="page"]{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.3em}
.menu > .btn{margin:1rem var(--gutter);width:auto}

/* パンくず */
.crumbs{border-bottom:1px solid var(--c-rule);font-size:var(--fs-small)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:.25rem .5rem;padding-block:.5rem;line-height:1.6}
.crumbs li + li::before{content:"›";margin-right:.5rem;color:var(--c-sub)}
.crumbs a{display:inline-block;padding-block:.35rem;color:var(--c-ai)}
.crumbs [aria-current]{color:var(--c-sub);padding-block:.35rem}

/* ---------- T-2 代表の話（縦の線） ---------- */
.story{display:grid;gap:1.5rem}
.story__who{display:flex;align-items:center;gap:1rem}
.story__who img{width:120px;height:120px;border-radius:10px;background:var(--c-mist);object-fit:cover;flex:none}
.story__sign{font-weight:700;color:var(--c-ai);line-height:1.7}
@media (min-width:1024px){
  .story{grid-template-columns:3fr 9fr;gap:3rem;align-items:start}
  .story__who{flex-direction:column;align-items:flex-start;position:sticky;top:calc(var(--header-h) + 2rem)}
  .story__who img{width:200px;height:200px}
}
.rail{position:relative;margin-top:.5rem}
.rail li{position:relative;padding:0 0 1.75rem 2.75rem;line-height:1.85;word-break:auto-phrase;text-wrap:pretty}
.rail li::before{content:"";position:absolute;left:calc(10px - var(--rail)/2);top:1.1em;bottom:-1.1em;border-left:var(--rail) dashed var(--c-mist-line)}
.rail li.is-solid::before{border-left-style:solid;border-left-color:var(--c-ai)}
.rail li:last-child::before{display:none}
.rail li::after{content:"";position:absolute;left:3px;top:.6em;width:14px;height:14px;border-radius:50%;border:2px solid var(--c-ai);background:#fff}
.rail li[data-dot="fill"]::after{background:var(--c-ai)}
.rail li[data-dot="big"]::after{left:0;top:.45em;width:20px;height:20px;background:var(--c-ai)}
.rail li[data-dot="sky"]::after{border-color:var(--c-sky)}
.rail li[data-dot="big"]{font-size:var(--fs-lead);font-weight:700;color:var(--c-ai);line-height:1.75}
.rail strong{color:var(--c-ai);font-weight:700;text-decoration:underline 6px var(--c-mist-line);text-underline-offset:3px;text-decoration-skip-ink:none}

/* ---------- T-3 こんなことはありませんか ---------- */
.split-4-8{display:grid;gap:1rem}
@media (min-width:1024px){.split-4-8{grid-template-columns:4fr 8fr;gap:3rem;align-items:start}.split-4-8 > .h2{position:sticky;top:calc(var(--header-h) + 1.5rem)}}
.boxes{border-top:1px solid var(--c-rule)}
.boxes li{display:flex;gap:1rem;align-items:flex-start;padding:1rem 0;border-bottom:1px solid var(--c-rule);line-height:1.75}
.boxes li::before{content:"";flex:none;width:20px;height:20px;border:2px solid var(--c-ai);border-radius:4px;background:#fff;margin-top:.3em}
.answer{margin-top:2rem;background:var(--c-mist);border-left:8px solid var(--c-ai);border-radius:0 10px 10px 0;padding:1.25rem 1.5rem;font-size:var(--fs-lead);font-weight:700;color:var(--c-ai);line-height:1.8}

/* ---------- T-4 登録したあとの流れ（藍ベタ） ---------- */
.section--ai p{color:#fff}
.flow{display:grid;gap:2.5rem;margin-block:2.5rem}
.flow__box{position:relative;background:#fff;border-radius:10px;padding:2.25rem 1.25rem 1.5rem;color:var(--c-text)}
.flow__box p{color:var(--c-text) !important;line-height:1.75}
.flow__no{position:absolute;top:-20px;left:1.25rem;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--c-mist);color:var(--c-ai);font-weight:700;font-variant-numeric:tabular-nums}
.flow__art{width:100%;height:96px;margin-bottom:.75rem}
.flow__title{font-size:1.125rem;font-weight:700;color:var(--c-ai);line-height:1.5;margin-bottom:.35rem}
.flow__box:not(:last-child)::after{content:"";position:absolute;left:50%;bottom:-2.1rem;width:4px;height:1.6rem;background:var(--c-yellow);transform:translateX(-50%)}
.flow__box:not(:last-child)::before{content:"";position:absolute;left:50%;bottom:-2.35rem;z-index:1;border:9px solid transparent;border-top:11px solid var(--c-yellow);transform:translateX(-50%)}
@media (min-width:768px){
  .flow{grid-template-columns:repeat(3,1fr);gap:3rem}
  .flow__box:not(:last-child)::after{left:auto;right:-2.4rem;top:50%;bottom:auto;width:1.6rem;height:4px;transform:translateY(-50%)}
  .flow__box:not(:last-child)::before{left:auto;right:-2.9rem;top:50%;bottom:auto;border:9px solid transparent;border-left:11px solid var(--c-yellow);transform:translateY(-50%)}
}
.screens{margin-top:2.5rem}
.screens__label{font-size:var(--fs-small);font-weight:700;color:rgba(255,255,255,.85) !important;margin-bottom:.75rem}
.screens ul{display:grid;grid-template-columns:repeat(3,minmax(0,180px));gap:clamp(.5rem,2vw,1.25rem)}
.screens a{display:block;padding:0;border:2px solid #fff;border-radius:10px;overflow:hidden;background:#fff;cursor:zoom-in;width:100%}
.screens img{width:100%;height:auto;aspect-ratio:610/1045;object-fit:cover}
.viewer{border:0;padding:0;background:transparent;max-width:90vw;max-height:85vh}
.viewer::backdrop{background:rgba(0,0,40,.8)}
.viewer img{max-width:90vw;max-height:calc(85vh - 64px);width:auto;height:auto;border-radius:10px}
.viewer__close{display:block;margin:0 0 .75rem auto;min-height:48px;min-width:88px;border:2px solid #fff;border-radius:999px;background:transparent;color:#fff;font:700 1rem/1 var(--ff-body);cursor:pointer}

/* ---------- T-5 頼み方は4つ ---------- */
.ways{display:grid;gap:1rem}
@media (min-width:768px){.ways{grid-template-columns:1fr 1fr;gap:1.25rem}}
.way{position:relative;background:#fff;border:1px solid var(--c-mist-line);border-radius:10px;padding:1.5rem 1.5rem 2.75rem;line-height:1.8}
.way .tag{margin-bottom:.75rem}
.way__name{font-size:var(--fs-h3);font-weight:700;line-height:1.5;margin-bottom:.4rem}
.way__name a{color:var(--c-ai);text-decoration:none}
.way__name a::after{content:"";position:absolute;inset:0;border-radius:10px}
.way:hover{border-color:var(--c-ai)}
.way__arrow{position:absolute;right:1.25rem;bottom:1rem;font-weight:700;color:var(--c-ai)}
.way:focus-within{outline:3px solid var(--c-ai);outline-offset:2px}
.way__name a:focus-visible{outline:none;box-shadow:none}
.way--soft{background:var(--c-mist);border-left:6px solid var(--c-ai)}

/* ---------- 実績カード ---------- */
.results{display:grid;gap:1rem}
.result{background:#fff;border:1px solid var(--c-mist-line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.result__art{width:100%;height:120px;background:var(--c-wall);padding:.5rem}
.result__body{padding:1.25rem 1.5rem 1.5rem}
.result__name{font-size:var(--fs-h3);font-weight:700;color:var(--c-ai);line-height:1.5}
.result__what{margin-top:.25rem;line-height:1.7}
.result__fig{margin-top:.5rem;font-family:var(--ff-head);font-weight:900;font-size:var(--fs-fig);line-height:1.3;color:var(--c-ai);font-variant-numeric:tabular-nums;font-feature-settings:"palt"}
.result__body .note{margin-top:.4rem}
@media (min-width:600px) and (max-width:1023px){
  .result{flex-direction:row}
  .result__art{width:42%;height:auto;min-height:150px;flex:none}
}
@media (min-width:1024px){.results{grid-template-columns:repeat(3,1fr);gap:1.25rem}}
.kinds{margin-top:1.25rem;display:grid;grid-template-columns:1fr 1fr;gap:0 1.5rem;border-top:1px solid var(--c-rule)}
.kinds li{display:flex;gap:.6rem;align-items:baseline;padding:.6rem 0;border-bottom:1px solid var(--c-rule);line-height:1.6;font-size:1rem}
.kinds li::before{content:"";flex:none;width:6px;height:6px;background:var(--c-sky);transform:translateY(-.2em)}
@media (max-width:479px){.kinds{grid-template-columns:1fr}}
@media (min-width:1024px){.kinds{grid-template-columns:repeat(4,1fr)}}

/* ---------- T-7 ご相談の流れ ---------- */
.steps{display:grid;gap:2.25rem;margin-top:.5rem}
.step{position:relative;background:#fff;border:1px solid var(--c-mist-line);border-radius:10px;padding:1.5rem 1.5rem 1.5rem 4.5rem;line-height:1.8}
.step__no{position:absolute;left:1.25rem;top:1.4rem;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--c-ai);color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.step__title{font-size:1.125rem;font-weight:700;color:var(--c-ai);line-height:1.5;margin-bottom:.25rem}
.step:not(:last-child)::after{content:"";position:absolute;left:50%;bottom:-1.75rem;width:14px;height:14px;border-right:3px solid var(--c-sky);border-bottom:3px solid var(--c-sky);transform:translateX(-50%) rotate(45deg)}
@media (min-width:1024px){
  .steps{grid-template-columns:repeat(3,1fr);gap:2.5rem}
  .step{padding:4.25rem 1.5rem 1.5rem}
  .step__no{left:1.5rem;top:1.25rem}
  .step:not(:last-child)::after{left:auto;right:-1.6rem;top:50%;bottom:auto;transform:translateY(-50%) rotate(-45deg)}
}

/* ---------- よくある質問 ---------- */
.faq__list{border-top:1px solid var(--c-rule)}
.qa{border-bottom:1px solid var(--c-rule)}
.qa summary{list-style:none;display:flex;align-items:center;gap:1rem;min-height:64px;padding-block:.75rem;cursor:pointer;font-weight:700;color:var(--c-ai);line-height:1.6}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"＋";flex:none;margin-left:auto;font-weight:700;color:var(--c-ai);font-size:1.25rem;line-height:1}
.qa[open] summary::after{content:"−"}
.qa__q{flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:6px;background:var(--c-ai);color:#fff;font-size:.9375rem}
.qa__a{padding:0 0 1.25rem 3rem;line-height:1.85}

/* ---------- T-9 最後のボタン ---------- */
.closing{text-align:center}
.closing .h2{margin-inline:auto;max-width:24em}
.closing .h2::before{margin-inline:auto}
.closing p{max-width:var(--measure);margin-inline:auto}
.closing .btn{margin-top:1.75rem}

/* ---------- T-10 ホームページ制作の入口 ---------- */
.web-band{border-top:1px solid var(--c-rule);padding-block:1.75rem}
.web-band .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.25rem 2rem}
.web-band p{line-height:1.7}

/* ---------- 下層ページの頭 ---------- */
.page-head{padding-block:clamp(2.5rem,2rem + 3vw,4.5rem) clamp(1.5rem,1rem + 2vw,2.5rem)}
.page-head .h1::before{content:"";display:block;width:32px;height:3px;background:var(--c-sky);margin-bottom:1rem}
.page-head p{margin-top:1rem;max-width:var(--measure)}

/* 定義リスト（会社概要・特商法） */
.dl{border-top:1px solid var(--c-rule)}
.dl > div{display:grid;gap:.25rem;padding:1rem 0;border-bottom:1px solid var(--c-rule);line-height:1.8}
.dl dt{font-weight:700;color:var(--c-ai)}
@media (min-width:768px){.dl > div{grid-template-columns:180px 1fr;gap:1.5rem}}

/* フッター */
.site-footer{background:var(--c-ai);color:#fff;padding-block:3.5rem calc(2rem + env(safe-area-inset-bottom))}
.brand--white .brand__img{height:44px}
.site-footer__place{margin-top:.75rem;font-size:var(--fs-small);color:rgba(255,255,255,.85)}
.foot-nav{margin-top:2rem;display:grid;gap:1rem}
.foot-nav ul{display:grid;grid-template-columns:1fr 1fr;gap:0 1.5rem}
.foot-nav a{display:flex;align-items:center;min-height:48px;color:#fff;text-decoration:none;font-size:1rem;line-height:1.5}
.foot-nav a:hover{text-decoration:underline}
.foot-nav__legal{border-top:1px solid rgba(255,255,255,.2);padding-top:.75rem}
.foot-nav__legal a{font-size:var(--fs-small);word-break:auto-phrase}
@media (min-width:768px){
  .foot-nav ul{display:flex;flex-wrap:wrap;gap:0 2rem}
}
.copyright{margin-top:2rem;font-size:var(--fs-small);color:rgba(255,255,255,.8)}

/* SP追従バー */
.sp-bar{position:fixed;left:0;right:0;bottom:0;z-index:40;padding:8px var(--gutter) calc(8px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--c-rule);transform:translateY(110%);transition:transform .25s ease}
.sp-bar.is-shown{transform:none}
.sp-bar__btn{display:flex;align-items:center;justify-content:center;height:52px;width:100%;background:var(--c-yellow);border:2px solid var(--c-ai);border-radius:8px;color:var(--c-ai);font-weight:700;text-decoration:none}
@media (min-width:1024px){.sp-bar{display:none}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
}