/* =========================================================
   MinamoWorks — DIGITAL RIPPLE / Components
   Header, MobileMenu, Footer, Button, Card, Form, Mockups
   ========================================================= */

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--mw-sans);font-weight:600;font-size:.95rem;letter-spacing:.02em;
  padding:15px 28px;border-radius:var(--mw-radius-pill);white-space:nowrap;
  min-height:48px;transition:transform .25s var(--mw-ease),background .25s,color .25s,box-shadow .25s;
  will-change:transform;text-align:center;
}
/* モバイルの小型CTAは詰まらないよう左右パディングを調整 */
.nav-mini{padding-inline:14px}
.btn .arw{transition:transform .25s var(--mw-ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--mw-aqua);color:var(--mw-ink-950);box-shadow:0 10px 30px rgba(66,232,208,.28)}
.btn-primary:hover{background:var(--mw-aqua-dark);transform:translateY(-2px);box-shadow:0 16px 40px rgba(66,232,208,.34)}
.btn-ink{background:var(--mw-ink-950);color:var(--mw-white)}
.btn-ink:hover{background:var(--mw-ink-800);transform:translateY(-2px)}
.btn-ghost{background:transparent;border:1px solid currentColor;color:inherit}
.btn-ghost:hover{background:rgba(120,140,150,.1);transform:translateY(-2px)}
.on-dark .btn-ghost{border-color:var(--mw-border-dark);color:var(--mw-text-dark)}
.on-dark .btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-lg{padding:18px 36px;font-size:1.02rem;min-height:56px}
.btn-block{width:100%}

/* ---- Text link with animated underline ---- */
.tlink{position:relative;font-family:var(--mw-sans);font-weight:600;color:var(--mw-blue);display:inline-flex;gap:8px;align-items:center}
.tlink::after{content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;background:currentColor;transition:width .3s var(--mw-ease)}
.tlink:hover::after{width:100%}
.tlink:hover .arw{transform:translateX(4px)}
.on-dark .tlink{color:var(--mw-aqua)}

/* ============ TAG / BADGE ============ */
.tag{display:inline-block;white-space:nowrap;font-family:var(--mw-sans);font-size:.7rem;font-weight:600;letter-spacing:.06em;padding:5px 12px;border-radius:var(--mw-radius-pill);border:1px solid var(--mw-border);color:var(--mw-muted)}
.on-dark .tag{border-color:var(--mw-border-dark);color:var(--mw-muted-dark)}
.tag-live{background:var(--mw-success);color:#fff;border-color:transparent}
.tag-demo{background:var(--mw-blue-soft);color:var(--mw-blue);border-color:transparent}
.on-dark .tag-demo{background:rgba(53,120,255,.2);color:#9dc0ff}
.tag-dev{background:rgba(242,184,75,.18);color:#a9791f;border-color:transparent}
.tag-brand{background:rgba(66,232,208,.16);color:var(--mw-aqua-dark);border-color:transparent}

/* ============ SECTION HEADING ============ */
.sh{max-width:820px;margin-bottom:56px}
.sh .mw-eyebrow{display:block;margin-bottom:18px}
.sh h2{font-size:var(--mw-h2)}
.sh h2 .jp{display:block;font-weight:700}
.sh-lead{font-size:var(--mw-lead);margin-top:22px;line-height:1.9}
.sh-center{margin-inline:auto;text-align:center}
.sh-center p{margin-inline:auto}

/* ============ HEADER ============ */
.mw-header{position:fixed;inset:0 0 auto 0;z-index:var(--z-nav);transition:transform .4s var(--mw-ease),background .35s,backdrop-filter .35s,border-color .35s,padding .35s}
.mw-header-inner{max-width:var(--mw-container);margin-inline:auto;padding:22px var(--mw-gutter-pc);display:flex;align-items:center;justify-content:space-between;gap:24px}
.mw-header.scrolled{background:rgba(255,255,255,.78);backdrop-filter:saturate(1.4) blur(16px);border-bottom:1px solid var(--mw-border)}
.mw-header.scrolled .mw-header-inner{padding-block:14px}
.mw-header.hide{transform:translateY(-100%)}
/* over dark hero → white text until scrolled */
.mw-header.on-hero .nav-link,.mw-header.on-hero .brand-txt{color:var(--mw-text-dark)}
.mw-header.on-hero .brand-txt b{color:var(--mw-aqua)}
.mw-header.scrolled .nav-link,.mw-header.scrolled .brand-txt{color:var(--mw-text)}
.mw-header.scrolled .brand-txt b{color:var(--mw-aqua-dark)}

.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:30px;height:30px}
.brand-txt{font-family:var(--mw-sans);font-weight:700;font-size:1.12rem;letter-spacing:-.01em;color:var(--mw-text)}
.brand-txt b{color:var(--mw-aqua-dark);font-weight:700}

.nav{display:flex;align-items:center;gap:30px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{font-family:var(--mw-sans);font-size:.9rem;font-weight:500;color:var(--mw-text);position:relative;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:-6px;height:1.5px;width:0;background:var(--mw-aqua-dark);transition:width .28s var(--mw-ease)}
.nav-link:hover::after{width:100%}
.nav-cta{white-space:nowrap}

.burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center}
.burger span{display:block;width:24px;height:2px;background:currentColor;border-radius:2px;transition:transform .3s var(--mw-ease),opacity .2s}
.mw-header.on-hero .burger{color:var(--mw-text-dark)}
.mw-header.scrolled .burger{color:var(--mw-text)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile mini-cta shown next to burger */
.nav-mini{display:none}

/* ============ MOBILE MENU (overlay) ============ */
.mmenu{position:fixed;inset:0;z-index:var(--z-menu);background:var(--mw-ink-950);color:var(--mw-text-dark);display:flex;flex-direction:column;padding:96px var(--mw-gutter-sp) 40px;transform:translateY(-100%);transition:transform .5s var(--mw-ease);overflow-y:auto}
.mmenu.open{transform:none}
.mmenu-list{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.mmenu-list a{display:block;padding:16px 4px;font-family:var(--mw-sans);font-size:1.4rem;font-weight:600;border-bottom:1px solid var(--mw-border-dark);opacity:0;transform:translateY(12px)}
.mmenu.open .mmenu-list a{animation:mmItem .5s var(--mw-ease-out) forwards}
.mmenu.open .mmenu-list a:nth-child(1){animation-delay:.08s}
.mmenu.open .mmenu-list a:nth-child(2){animation-delay:.13s}
.mmenu.open .mmenu-list a:nth-child(3){animation-delay:.18s}
.mmenu.open .mmenu-list a:nth-child(4){animation-delay:.23s}
.mmenu.open .mmenu-list a:nth-child(5){animation-delay:.28s}
.mmenu.open .mmenu-list a:nth-child(6){animation-delay:.33s}
@keyframes mmItem{to{opacity:1;transform:none}}
.mmenu-sub{margin-top:auto;padding-top:28px}
.mmenu-projects{font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mw-muted-dark);margin:20px 4px 6px}
.mmenu .btn{margin-top:20px}

/* ============ CARD ============ */
.card{background:var(--mw-surface);border:1px solid var(--mw-border);border-radius:var(--mw-radius-md);padding:32px;box-shadow:var(--mw-shadow-card);transition:transform .3s var(--mw-ease),box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--mw-shadow-soft);border-color:rgba(66,232,208,.5)}
.on-dark .card{background:var(--mw-surface-dark);border-color:var(--mw-border-dark);box-shadow:none}

/* ============ FORM ============ */
.field{margin-bottom:22px;position:relative}
.field label{display:block;font-family:var(--mw-sans);font-size:.85rem;font-weight:600;margin-bottom:8px}
.field .req{color:var(--mw-aqua-dark);font-size:.72rem;margin-left:6px}
.on-dark .field .req{color:var(--mw-aqua)}
.field input,.field textarea{
  width:100%;background:var(--mw-white);border:1.5px solid var(--mw-border);border-radius:var(--mw-radius-sm);
  padding:14px 16px;font-size:.95rem;transition:border-color .2s,box-shadow .2s;
}
.on-dark .field input,.on-dark .field textarea{background:rgba(255,255,255,.04);border-color:var(--mw-border-dark);color:var(--mw-text-dark)}
.field textarea{min-height:120px;resize:vertical;line-height:1.8}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--mw-aqua-dark);box-shadow:0 0 0 4px rgba(66,232,208,.18)}
.on-dark .field input:focus,.on-dark .field textarea:focus{border-color:var(--mw-aqua)}
.field.invalid input,.field.invalid textarea{border-color:var(--mw-error);box-shadow:0 0 0 4px rgba(228,95,103,.14)}
.field .err{display:none;color:var(--mw-error);font-size:.78rem;margin-top:6px}
.field.invalid .err{display:block}
.field.shake{animation:mwShake .4s}
@keyframes mwShake{0%,100%{transform:none}20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}}
/* honeypot */
.hp-field{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-consent{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;margin:8px 0 20px}
.form-consent input{width:18px;height:18px;margin-top:3px;flex:none}
.form-consent a{color:var(--mw-blue);text-decoration:underline}
.on-dark .form-consent a{color:var(--mw-aqua)}
.form-status{display:none;padding:16px 18px;border-radius:var(--mw-radius-sm);font-size:.88rem;margin-top:14px}
.form-status.show{display:block}
.form-status.ok{background:rgba(47,189,119,.12);color:var(--mw-success);border:1px solid rgba(47,189,119,.4)}
.form-status.ng{background:rgba(228,95,103,.1);color:var(--mw-error);border:1px solid rgba(228,95,103,.4)}
.btn.is-loading{pointer-events:none;opacity:.75}
.btn .spinner{display:none;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:currentColor;border-radius:50%;animation:mwSpin .7s linear infinite}
.btn.is-loading .spinner{display:inline-block}
.btn.is-loading .arw{display:none}
@keyframes mwSpin{to{transform:rotate(360deg)}}

/* ============ BROWSER / PHONE MOCKUPS ============ */
.mockup-browser{background:var(--mw-surface-dark);border:1px solid var(--mw-border-dark);border-radius:14px;overflow:hidden;box-shadow:var(--mw-shadow-dark)}
.mockup-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:rgba(255,255,255,.04);border-bottom:1px solid var(--mw-border-dark)}
.mockup-bar i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.22)}
.mockup-url{margin-left:10px;font-family:var(--mw-sans);font-size:.7rem;color:var(--mw-muted-dark);background:rgba(255,255,255,.05);padding:4px 12px;border-radius:6px;flex:1;max-width:280px}
.mockup-phone{background:var(--mw-surface-dark);border:6px solid #1a2e39;border-radius:28px;overflow:hidden;box-shadow:var(--mw-shadow-dark)}

/* ============ FAQ (accordion) ============ */
.faq-item{border-bottom:1px solid var(--mw-border)}
.on-dark .faq-item{border-color:var(--mw-border-dark)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 4px;text-align:left;font-family:var(--mw-sans);font-weight:600;font-size:1.08rem}
.faq-q .ic{flex:none;width:24px;height:24px;position:relative;transition:transform .3s var(--mw-ease)}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--mw-aqua-dark);border-radius:2px}
.faq-q .ic::before{top:11px;left:2px;right:2px;height:2px}
.faq-q .ic::after{left:11px;top:2px;bottom:2px;width:2px;transition:transform .3s var(--mw-ease)}
.faq-item.open .faq-q .ic::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--mw-ease)}
.faq-a-inner{padding:0 4px 26px;color:var(--mw-muted);line-height:1.9}
.on-dark .faq-a-inner{color:var(--mw-muted-dark)}

/* ============ FOOTER ============ */
.mw-footer{background:var(--mw-ink-950);color:var(--mw-text-dark);padding:96px var(--mw-gutter-pc) 40px;position:relative;overflow:hidden}
.mw-footer-inner{max-width:var(--mw-container);margin-inline:auto;position:relative;z-index:1}
.mw-footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid var(--mw-border-dark)}
.mw-footer .brand-txt{color:var(--mw-text-dark)}
.mw-footer .brand-txt b{color:var(--mw-aqua)}
.ft-desc{font-size:.85rem;color:var(--mw-muted-dark);margin:18px 0;line-height:1.9;max-width:280px}
.ft-contact a{display:block;font-size:.85rem;color:var(--mw-muted-dark);line-height:2;transition:color .2s}
.ft-contact a:hover{color:var(--mw-aqua)}
.ft-col h5{font-family:var(--mw-sans);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mw-aqua);margin-bottom:16px}
.ft-col ul{display:flex;flex-direction:column;gap:11px}
.ft-col a{font-size:.86rem;color:var(--mw-muted-dark);transition:color .2s}
.ft-col a:hover{color:var(--mw-text-dark)}
.mw-footer-btm{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:28px}
.mw-footer-btm small{font-size:.74rem;color:var(--mw-muted-dark);letter-spacing:.04em}
.ft-legal{display:flex;gap:20px}
.ft-legal a{font-size:.74rem;color:var(--mw-muted-dark)}
.ft-legal a:hover{color:var(--mw-aqua)}

/* ============ BREADCRUMB ============ */
.crumb{display:flex;gap:8px;flex-wrap:wrap;font-family:var(--mw-sans);font-size:.78rem;color:var(--mw-muted)}
.crumb a{color:var(--mw-muted)}.crumb a:hover{color:var(--mw-aqua-dark)}
.crumb span{color:var(--mw-text)}

/* ============ RESPONSIVE ============ */
@media(max-width:900px){
  .nav-links,.nav>.nav-cta{display:none}
  .burger{display:flex}
  .nav-mini{display:inline-flex;font-size:.8rem;padding:9px 16px;min-height:40px}
  .mw-footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .mw-footer .ft-brand{grid-column:1/-1}
}
@media(max-width:560px){
  .mw-header-inner{padding:16px var(--mw-gutter-sp)}
  .mw-footer{padding:72px var(--mw-gutter-sp) 32px}
  .mw-footer-top{grid-template-columns:1fr}
  .mw-footer-btm{flex-direction:column;align-items:flex-start}
  .btn{width:auto}
}